src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ENGINE_TABS_X       (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ENGINE_TABS_Y       (editor.settings.tabs.y +       \
 104                                          ED_TABBUTTON_YSIZE +           \
 105                                          ED_GADGET_TINY_DISTANCE +      \
 106                                          ED_TAB_BAR_HEIGHT +            \
 107                                          ED_GADGET_TEXT_DISTANCE)
 108 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 109 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 110                                          editor.settings.tabs.yoffset2)
 111
 112 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 113 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 114
 115 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 116 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 117 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 118                                          ED_SETTINGS_TABS_XOFFSET)
 119 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 120                                          ED_TABBUTTON_YSIZE +           \
 121                                          ED_GADGET_TINY_DISTANCE +      \
 122                                          ED_TAB_BAR_HEIGHT +            \
 123                                          ED_SETTINGS_TABS_YOFFSET +     \
 124                                          getFontHeight(FONT_TEXT_1) +   \
 125                                          ED_GADGET_TEXT_DISTANCE)
 126 #define ED_ENGINE_TABS_XSTART           (ED_SETTINGS_ENGINE_TABS_X)
 127 #define ED_ENGINE_TABS_YSTART           (ED_SETTINGS_ENGINE_TABS_Y)
 128 #define ED_ENGINE_SETTINGS_XSTART       (ED_SETTINGS_ENGINE_TABS_X +    \
 129                                          ED_SETTINGS_TABS_XOFFSET)
 130 #define ED_ENGINE_SETTINGS_YSTART       (ED_SETTINGS_ENGINE_TABS_Y +    \
 131                                          ED_TABBUTTON_YSIZE +           \
 132                                          ED_GADGET_TINY_DISTANCE +      \
 133                                          ED_TAB_BAR_HEIGHT +            \
 134                                          ED_SETTINGS_TABS_YOFFSET +     \
 135                                          getFontHeight(FONT_TEXT_1) +   \
 136                                          ED_GADGET_TEXT_DISTANCE)
 137 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 138 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 139 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 140                                          ED_SETTINGS_TABS_XOFFSET)
 141 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 142                                          ED_TABBUTTON_YSIZE +           \
 143                                          ED_GADGET_TINY_DISTANCE +      \
 144                                          ED_TAB_BAR_HEIGHT +            \
 145                                          ED_SETTINGS_TABS_YOFFSET)
 146
 147 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 148                                          ED_GADGET_TEXT_DISTANCE)
 149 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 150                                          ED_GADGET_LINE_DISTANCE)
 151
 152 #define ED_POS_RANGE                    (10000)
 153 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 154 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 155 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 156 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 157 #define ED_POS_ENGINE_TABS_FIRST        (3 * ED_POS_RANGE)
 158 #define ED_POS_ENGINE_TABS_LAST         (4 * ED_POS_RANGE - 1)
 159 #define ED_POS_ENGINE_SETTINGS_FIRST    (4 * ED_POS_RANGE)
 160 #define ED_POS_ENGINE_SETTINGS_LAST     (5 * ED_POS_RANGE - 1)
 161 #define ED_POS_ELEMENT_TABS_FIRST       (5 * ED_POS_RANGE)
 162 #define ED_POS_ELEMENT_TABS_LAST        (6 * ED_POS_RANGE - 1)
 163 #define ED_POS_ELEMENT_SETTINGS_FIRST   (6 * ED_POS_RANGE)
 164 #define ED_POS_ELEMENT_SETTINGS_LAST    (7 * ED_POS_RANGE - 1)
 165
 166 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 167 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 168
 169 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 170 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 171
 172 #define ED_ENGINE_TABS_XPOS(n)          (ED_POS_ENGINE_TABS_FIRST + (n))
 173 #define ED_ENGINE_TABS_YPOS(n)          (ED_POS_ENGINE_TABS_FIRST + (n))
 174
 175 #define ED_ENGINE_SETTINGS_XPOS(n)      (ED_POS_ENGINE_SETTINGS_FIRST + (n))
 176 #define ED_ENGINE_SETTINGS_YPOS(n)      (ED_POS_ENGINE_SETTINGS_FIRST + (n))
 177
 178 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 179 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 180
 181 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 182 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 183
 184 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 185                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 186 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 187                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 188 #define IS_POS_ENGINE_TABS(n)         ((n) >= ED_POS_ENGINE_TABS_FIRST && \
 189                                        (n) <= ED_POS_ENGINE_TABS_LAST)
 190 #define IS_POS_ENGINE_SETTINGS(n)     ((n) >= ED_POS_ENGINE_SETTINGS_FIRST && \
 191                                        (n) <= ED_POS_ENGINE_SETTINGS_LAST)
 192 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 193                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 194 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 195                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 196
 197 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 198 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 199 #define ED_ENGINE_TABS_LINE(n)          ((n) - ED_POS_ENGINE_TABS_FIRST)
 200 #define ED_ENGINE_SETTINGS_LINE(n)      ((n) - ED_POS_ENGINE_SETTINGS_FIRST)
 201 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 202 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 203
 204 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 205                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 206 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 207                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 208
 209 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 210                                          (n) * ED_SETTINGS_XOFFSET)
 211 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 212                                          (n) * ED_SETTINGS_YOFFSET)
 213
 214 #define ED_ENGINE_TABS_X(n)             (ED_ENGINE_TABS_XSTART +        \
 215                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 216 #define ED_ENGINE_TABS_Y(n)             (ED_ENGINE_TABS_YSTART +        \
 217                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 218
 219 #define ED_ENGINE_SETTINGS_X(n)         (ED_ENGINE_SETTINGS_XSTART +    \
 220                                          (n) * ED_SETTINGS_XOFFSET)
 221 #define ED_ENGINE_SETTINGS_Y(n)         (ED_ENGINE_SETTINGS_YSTART +    \
 222                                          (n) * ED_SETTINGS_YOFFSET)
 223
 224 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 225                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 226 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 227                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 228
 229 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 230                                          (n) * ED_SETTINGS_XOFFSET)
 231 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 232                                          (n) * ED_SETTINGS_YOFFSET)
 233
 234 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 235   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 236 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 237   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 238
 239 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 240   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 241 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 242   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 243
 244 #define ED_POS_TO_ENGINE_TABS_X(n)      \
 245   (ED_ENGINE_TABS_X(ED_ENGINE_TABS_LINE(n)))
 246 #define ED_POS_TO_ENGINE_TABS_Y(n)      \
 247   (ED_ENGINE_TABS_Y(ED_ENGINE_TABS_LINE(n)))
 248
 249 #define ED_POS_TO_ENGINE_SETTINGS_X(n)  \
 250   (ED_ENGINE_SETTINGS_X(ED_ENGINE_SETTINGS_LINE(n)))
 251 #define ED_POS_TO_ENGINE_SETTINGS_Y(n)  \
 252   (ED_ENGINE_SETTINGS_Y(ED_ENGINE_SETTINGS_LINE(n)))
 253
 254 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 255   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 256 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 257   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 258
 259 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 260   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 261 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 262   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 263
 264 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 265                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 266                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 267                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 268                                          IS_POS_ENGINE_TABS(n) ?        \
 269                                          ED_POS_TO_ENGINE_TABS_X(n) : \
 270                                          IS_POS_ENGINE_SETTINGS(n) ?    \
 271                                          ED_POS_TO_ENGINE_SETTINGS_X(n) : \
 272                                          IS_POS_ELEMENT_TABS(n) ?       \
 273                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 274                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 275                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 276 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 277                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 278                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 279                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 280                                          IS_POS_ENGINE_TABS(n) ?        \
 281                                          ED_POS_TO_ENGINE_TABS_Y(n) : \
 282                                          IS_POS_ENGINE_SETTINGS(n) ?    \
 283                                          ED_POS_TO_ENGINE_SETTINGS_Y(n) : \
 284                                          IS_POS_ELEMENT_TABS(n) ?       \
 285                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 286                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 287                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 288
 289 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 290                                          ED_DRAWINGAREA_TILE_SIZE)
 291 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 292                                          ED_DRAWINGAREA_TILE_SIZE)
 293
 294 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 295                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 296 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 297                                          (ED_CHECKBUTTON_YSIZE -        \
 298                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 299
 300 #define ED_AREA_XOFFSET_2(n)      (0)
 301 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 302                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 303
 304 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 305                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 306                                     ED_AREA_XOFFSET_1((i).x) -          \
 307                                     ED_AREA_XOFFSET_2((i).area_xsize))
 308 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 309                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 310                                     ED_AREA_YOFFSET_1((i).y) -          \
 311                                     ED_AREA_YOFFSET_2((i).area_ysize))
 312
 313 // values for element content drawing areas
 314 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 315 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 316 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 317 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 318
 319 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 320 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 321 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 322 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 323
 324 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 325 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 326 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 327 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 328
 329 // element content
 330 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 331 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 332
 333 // yamyam content
 334 #define ED_XPOS_YAM                     0
 335 #define ED_YPOS_YAM                     5
 336 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 337 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 338 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 339 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 340 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 341                                          ED_SETTINGS_XOFF(n))
 342 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 343                                          ED_SETTINGS_YOFF(n) +          \
 344                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 345                                          ED_AREA_YOFFSET_2(3))
 346
 347 // magic ball content
 348 #define ED_XPOS_BALL                    0
 349 #define ED_YPOS_BALL                    6
 350 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 351 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 352 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 353 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 354 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 355                                          ED_SETTINGS_XOFF(n))
 356 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 357                                          ED_SETTINGS_YOFF(n) +          \
 358                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 359                                          ED_AREA_YOFFSET_2(3))
 360
 361 // values for scrolling gadgets for drawing area
 362 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 363 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 364
 365 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 366 #define ED_SCROLL_UP_YPOS               (0)
 367 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 368 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 369 #define ED_SCROLL_LEFT_XPOS             (0)
 370 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 371 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 372 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 373 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 374                                          ED_SCROLLBUTTON_XSIZE)
 375 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 376 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 377 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 378 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 379 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 380                                          ED_SCROLLBUTTON_YSIZE)
 381 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 382 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 383
 384 // values for scrolling gadgets for element list
 385 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 386 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 387
 388 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 389                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 390                                          ED_ELEMENTLIST_XSIZE)
 391 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 392 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 393 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 394                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 395                                          ED_ELEMENTLIST_YSIZE -         \
 396                                          ED_SCROLLBUTTON2_YSIZE)
 397 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 398 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 399                                          ED_SCROLLBUTTON2_YSIZE)
 400 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 401 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 402                                          ED_ELEMENTLIST_YSIZE -         \
 403                                          2 * ED_SCROLLBUTTON2_YSIZE)
 404
 405 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 406 #define INFOTEXT_FONT           FONT_TEXT_2
 407 #define INFOTEXT_XSIZE          SXSIZE
 408 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 409 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 410 #define INFOTEXT_X              (editor.settings.tooltip.x)
 411 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 412 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 413 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 414 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 415                                       SYSIZE - INFOTEXT_YSIZE)
 416
 417
 418 // ----------------------------------------------------------------------------
 419 // editor gadget definitions
 420 // ----------------------------------------------------------------------------
 421
 422 enum
 423 {
 424   GADGET_ID_NONE = -1,
 425
 426   // drawing toolbox buttons
 427
 428   GADGET_ID_SINGLE_ITEMS,
 429   GADGET_ID_CONNECTED_ITEMS,
 430   GADGET_ID_LINE,
 431   GADGET_ID_ARC,
 432   GADGET_ID_RECTANGLE,
 433   GADGET_ID_FILLED_BOX,
 434   GADGET_ID_WRAP_UP,
 435   GADGET_ID_TEXT,
 436   GADGET_ID_FLOOD_FILL,
 437   GADGET_ID_WRAP_LEFT,
 438   GADGET_ID_ZOOM,
 439   GADGET_ID_WRAP_RIGHT,
 440   GADGET_ID_RANDOM_PLACEMENT,
 441   GADGET_ID_GRAB_BRUSH,
 442   GADGET_ID_WRAP_DOWN,
 443   GADGET_ID_PICK_ELEMENT,
 444
 445   GADGET_ID_UNDO,
 446   GADGET_ID_CONF,
 447   GADGET_ID_SAVE,
 448   GADGET_ID_CLEAR,
 449   GADGET_ID_TEST,
 450   GADGET_ID_EXIT,
 451
 452   GADGET_ID_CUSTOM_COPY_FROM,
 453   GADGET_ID_CUSTOM_COPY_TO,
 454   GADGET_ID_CUSTOM_EXCHANGE,
 455   GADGET_ID_CUSTOM_COPY,
 456   GADGET_ID_CUSTOM_PASTE,
 457
 458   GADGET_ID_PROPERTIES,
 459   GADGET_ID_ELEMENT_LEFT,
 460   GADGET_ID_ELEMENT_MIDDLE,
 461   GADGET_ID_ELEMENT_RIGHT,
 462   GADGET_ID_PALETTE,
 463
 464   // counter gadget identifiers
 465
 466   GADGET_ID_SELECT_LEVEL_DOWN,
 467   GADGET_ID_SELECT_LEVEL_TEXT,
 468   GADGET_ID_SELECT_LEVEL_UP,
 469   GADGET_ID_LEVEL_XSIZE_DOWN,
 470   GADGET_ID_LEVEL_XSIZE_TEXT,
 471   GADGET_ID_LEVEL_XSIZE_UP,
 472   GADGET_ID_LEVEL_YSIZE_DOWN,
 473   GADGET_ID_LEVEL_YSIZE_TEXT,
 474   GADGET_ID_LEVEL_YSIZE_UP,
 475   GADGET_ID_LEVEL_RANDOM_DOWN,
 476   GADGET_ID_LEVEL_RANDOM_TEXT,
 477   GADGET_ID_LEVEL_RANDOM_UP,
 478   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 479   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 480   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 481   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 482   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 483   GADGET_ID_LEVEL_TIMELIMIT_UP,
 484   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 485   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 486   GADGET_ID_LEVEL_TIMESCORE_UP,
 487   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 488   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 489   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 490   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 491   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 492   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 493   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 494   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 495   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 496   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 497   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 498   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 499   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 500   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 501   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 502   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 503   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 504   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 505   GADGET_ID_BD_PUSHING_PROB_DOWN,
 506   GADGET_ID_BD_PUSHING_PROB_TEXT,
 507   GADGET_ID_BD_PUSHING_PROB_UP,
 508   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 509   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 510   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 511   GADGET_ID_ELEMENT_VALUE1_DOWN,
 512   GADGET_ID_ELEMENT_VALUE1_TEXT,
 513   GADGET_ID_ELEMENT_VALUE1_UP,
 514   GADGET_ID_ELEMENT_VALUE2_DOWN,
 515   GADGET_ID_ELEMENT_VALUE2_TEXT,
 516   GADGET_ID_ELEMENT_VALUE2_UP,
 517   GADGET_ID_ELEMENT_VALUE3_DOWN,
 518   GADGET_ID_ELEMENT_VALUE3_TEXT,
 519   GADGET_ID_ELEMENT_VALUE3_UP,
 520   GADGET_ID_ELEMENT_VALUE4_DOWN,
 521   GADGET_ID_ELEMENT_VALUE4_TEXT,
 522   GADGET_ID_ELEMENT_VALUE4_UP,
 523   GADGET_ID_YAMYAM_CONTENT_DOWN,
 524   GADGET_ID_YAMYAM_CONTENT_TEXT,
 525   GADGET_ID_YAMYAM_CONTENT_UP,
 526   GADGET_ID_BALL_CONTENT_DOWN,
 527   GADGET_ID_BALL_CONTENT_TEXT,
 528   GADGET_ID_BALL_CONTENT_UP,
 529   GADGET_ID_ANDROID_CONTENT_DOWN,
 530   GADGET_ID_ANDROID_CONTENT_TEXT,
 531   GADGET_ID_ANDROID_CONTENT_UP,
 532   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 533   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 534   GADGET_ID_ENVELOPE_XSIZE_UP,
 535   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 536   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 537   GADGET_ID_ENVELOPE_YSIZE_UP,
 538   GADGET_ID_INVENTORY_SIZE_DOWN,
 539   GADGET_ID_INVENTORY_SIZE_TEXT,
 540   GADGET_ID_INVENTORY_SIZE_UP,
 541   GADGET_ID_MM_BALL_CONTENT_DOWN,
 542   GADGET_ID_MM_BALL_CONTENT_TEXT,
 543   GADGET_ID_MM_BALL_CONTENT_UP,
 544   GADGET_ID_CUSTOM_SCORE_DOWN,
 545   GADGET_ID_CUSTOM_SCORE_TEXT,
 546   GADGET_ID_CUSTOM_SCORE_UP,
 547   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 548   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 549   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 550   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 551   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 552   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 553   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 554   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 555   GADGET_ID_CUSTOM_VALUE_RND_UP,
 556   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 557   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 558   GADGET_ID_PUSH_DELAY_FIX_UP,
 559   GADGET_ID_PUSH_DELAY_RND_DOWN,
 560   GADGET_ID_PUSH_DELAY_RND_TEXT,
 561   GADGET_ID_PUSH_DELAY_RND_UP,
 562   GADGET_ID_DROP_DELAY_FIX_DOWN,
 563   GADGET_ID_DROP_DELAY_FIX_TEXT,
 564   GADGET_ID_DROP_DELAY_FIX_UP,
 565   GADGET_ID_DROP_DELAY_RND_DOWN,
 566   GADGET_ID_DROP_DELAY_RND_TEXT,
 567   GADGET_ID_DROP_DELAY_RND_UP,
 568   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 569   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 570   GADGET_ID_MOVE_DELAY_FIX_UP,
 571   GADGET_ID_MOVE_DELAY_RND_DOWN,
 572   GADGET_ID_MOVE_DELAY_RND_TEXT,
 573   GADGET_ID_MOVE_DELAY_RND_UP,
 574   GADGET_ID_STEP_DELAY_FIX_DOWN,
 575   GADGET_ID_STEP_DELAY_FIX_TEXT,
 576   GADGET_ID_STEP_DELAY_FIX_UP,
 577   GADGET_ID_STEP_DELAY_RND_DOWN,
 578   GADGET_ID_STEP_DELAY_RND_TEXT,
 579   GADGET_ID_STEP_DELAY_RND_UP,
 580   GADGET_ID_EXPLOSION_DELAY_DOWN,
 581   GADGET_ID_EXPLOSION_DELAY_TEXT,
 582   GADGET_ID_EXPLOSION_DELAY_UP,
 583   GADGET_ID_IGNITION_DELAY_DOWN,
 584   GADGET_ID_IGNITION_DELAY_TEXT,
 585   GADGET_ID_IGNITION_DELAY_UP,
 586   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 587   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 588   GADGET_ID_CHANGE_DELAY_FIX_UP,
 589   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 590   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 591   GADGET_ID_CHANGE_DELAY_RND_UP,
 592   GADGET_ID_CHANGE_CONT_RND_DOWN,
 593   GADGET_ID_CHANGE_CONT_RND_TEXT,
 594   GADGET_ID_CHANGE_CONT_RND_UP,
 595   GADGET_ID_GROUP_CONTENT_DOWN,
 596   GADGET_ID_GROUP_CONTENT_TEXT,
 597   GADGET_ID_GROUP_CONTENT_UP,
 598
 599   // drawing area identifiers
 600
 601   GADGET_ID_DRAWING_LEVEL,
 602   GADGET_ID_YAMYAM_CONTENT_0,
 603   GADGET_ID_YAMYAM_CONTENT_1,
 604   GADGET_ID_YAMYAM_CONTENT_2,
 605   GADGET_ID_YAMYAM_CONTENT_3,
 606   GADGET_ID_YAMYAM_CONTENT_4,
 607   GADGET_ID_YAMYAM_CONTENT_5,
 608   GADGET_ID_YAMYAM_CONTENT_6,
 609   GADGET_ID_YAMYAM_CONTENT_7,
 610   GADGET_ID_MAGIC_BALL_CONTENT_0,
 611   GADGET_ID_MAGIC_BALL_CONTENT_1,
 612   GADGET_ID_MAGIC_BALL_CONTENT_2,
 613   GADGET_ID_MAGIC_BALL_CONTENT_3,
 614   GADGET_ID_MAGIC_BALL_CONTENT_4,
 615   GADGET_ID_MAGIC_BALL_CONTENT_5,
 616   GADGET_ID_MAGIC_BALL_CONTENT_6,
 617   GADGET_ID_MAGIC_BALL_CONTENT_7,
 618   GADGET_ID_ANDROID_CONTENT,
 619   GADGET_ID_AMOEBA_CONTENT,
 620   GADGET_ID_BD_SNAP_ELEMENT,
 621   GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,
 622   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 623   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 624   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 625   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 626   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 627   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 628   GADGET_ID_BD_AMOEBA_1_CONTENT_TOO_BIG,
 629   GADGET_ID_BD_AMOEBA_1_CONTENT_ENCLOSED,
 630   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 631   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 632   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 633   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 634   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
 635   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
 636   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
 637   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
 638   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
 639   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
 640   GADGET_ID_BD_ACID_EATS_ELEMENT,
 641   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 642   GADGET_ID_BD_BITER_EATS_ELEMENT,
 643   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 644   GADGET_ID_BD_NUT_CONTENT,
 645   GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
 646   GADGET_ID_BD_SAND_LOOKS_LIKE,
 647   GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,
 648   GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
 649   GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
 650   GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
 651   GADGET_ID_BD_FIREFLY_1_EXPLODES_TO,
 652   GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,
 653   GADGET_ID_BD_BUTTERFLY_1_EXPLODES_TO,
 654   GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,
 655   GADGET_ID_BD_STONEFLY_EXPLODES_TO,
 656   GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,
 657   GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,
 658   GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,
 659   GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,
 660   GADGET_ID_BD_EXPLOSION_TURNS_TO,
 661   GADGET_ID_START_ELEMENT,
 662   GADGET_ID_ARTWORK_ELEMENT,
 663   GADGET_ID_EXPLOSION_ELEMENT,
 664   GADGET_ID_INVENTORY_CONTENT,
 665   GADGET_ID_MM_BALL_CONTENT,
 666   GADGET_ID_CUSTOM_GRAPHIC,
 667   GADGET_ID_CUSTOM_CONTENT,
 668   GADGET_ID_CUSTOM_MOVE_ENTER,
 669   GADGET_ID_CUSTOM_MOVE_LEAVE,
 670   GADGET_ID_CUSTOM_CHANGE_TARGET,
 671   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 672   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 673   GADGET_ID_CUSTOM_CHANGE_ACTION,
 674   GADGET_ID_GROUP_CONTENT,
 675   GADGET_ID_RANDOM_BACKGROUND,
 676
 677   // text input identifiers
 678
 679   GADGET_ID_LEVEL_NAME,
 680   GADGET_ID_LEVEL_AUTHOR,
 681   GADGET_ID_LEVELSET_NAME,
 682   GADGET_ID_LEVELSET_AUTHOR,
 683   GADGET_ID_BD_COLOR_TEXT_B,
 684   GADGET_ID_BD_COLOR_TEXT_0,
 685   GADGET_ID_BD_COLOR_TEXT_1,
 686   GADGET_ID_BD_COLOR_TEXT_2,
 687   GADGET_ID_BD_COLOR_TEXT_3,
 688   GADGET_ID_BD_COLOR_TEXT_4,
 689   GADGET_ID_BD_COLOR_TEXT_5,
 690   GADGET_ID_ELEMENT_NAME,
 691
 692   // text area identifiers
 693
 694   GADGET_ID_ENVELOPE_INFO,
 695
 696   // selectbox identifiers
 697
 698   GADGET_ID_TIME_OR_STEPS,
 699   GADGET_ID_TIME_SCORE_BASE,
 700   GADGET_ID_GAME_ENGINE_TYPE,
 701   GADGET_ID_LEVELSET_SAVE_MODE,
 702   GADGET_ID_BD_SCHEDULING_TYPE,
 703   GADGET_ID_BD_COLOR_TYPE,
 704   GADGET_ID_BD_COLOR_C64_B,
 705   GADGET_ID_BD_COLOR_C64_0,
 706   GADGET_ID_BD_COLOR_C64_1,
 707   GADGET_ID_BD_COLOR_C64_2,
 708   GADGET_ID_BD_COLOR_C64_3,
 709   GADGET_ID_BD_COLOR_C64_4,
 710   GADGET_ID_BD_COLOR_C64_5,
 711   GADGET_ID_WIND_DIRECTION,
 712   GADGET_ID_PLAYER_SPEED,
 713   GADGET_ID_BD_GRAVITY_DIRECTION,
 714   GADGET_ID_MM_BALL_CHOICE_MODE,
 715   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 716   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 717   GADGET_ID_CUSTOM_DEADLINESS,
 718   GADGET_ID_CUSTOM_MOVE_PATTERN,
 719   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 720   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 721   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 722   GADGET_ID_CUSTOM_SMASH_TARGETS,
 723   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 724   GADGET_ID_CUSTOM_ACCESS_TYPE,
 725   GADGET_ID_CUSTOM_ACCESS_LAYER,
 726   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 727   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 728   GADGET_ID_CHANGE_TIME_UNITS,
 729   GADGET_ID_CHANGE_DIRECT_ACTION,
 730   GADGET_ID_CHANGE_OTHER_ACTION,
 731   GADGET_ID_CHANGE_SIDE,
 732   GADGET_ID_CHANGE_PLAYER,
 733   GADGET_ID_CHANGE_PAGE,
 734   GADGET_ID_CHANGE_REPLACE_WHEN,
 735   GADGET_ID_ACTION_TYPE,
 736   GADGET_ID_ACTION_MODE,
 737   GADGET_ID_ACTION_ARG,
 738   GADGET_ID_SELECT_CHANGE_PAGE,
 739   GADGET_ID_GROUP_CHOICE_MODE,
 740
 741   // textbutton identifiers
 742
 743   GADGET_ID_LEVELCONFIG_LEVEL,
 744   GADGET_ID_LEVELCONFIG_LEVELSET,
 745   GADGET_ID_LEVELCONFIG_EDITOR,
 746   GADGET_ID_LEVELCONFIG_ENGINE,
 747   GADGET_ID_ENGINECONFIG_CONFIG,
 748   GADGET_ID_ENGINECONFIG_COLORS,
 749   GADGET_ID_PROPERTIES_INFO,
 750   GADGET_ID_PROPERTIES_CONFIG,
 751   GADGET_ID_PROPERTIES_CONFIG_1,
 752   GADGET_ID_PROPERTIES_CONFIG_2,
 753   GADGET_ID_PROPERTIES_CHANGE,
 754   GADGET_ID_SAVE_AS_TEMPLATE_1,
 755   GADGET_ID_SAVE_AS_TEMPLATE_2,
 756   GADGET_ID_SAVE_LEVELSET,
 757   GADGET_ID_ADD_CHANGE_PAGE,
 758   GADGET_ID_DEL_CHANGE_PAGE,
 759   GADGET_ID_BD_SET_RANDOM_COLORS,
 760
 761   // graphicbutton identifiers
 762
 763   GADGET_ID_PREV_CHANGE_PAGE,
 764   GADGET_ID_NEXT_CHANGE_PAGE,
 765   GADGET_ID_COPY_CHANGE_PAGE,
 766   GADGET_ID_PASTE_CHANGE_PAGE,
 767
 768   // gadgets for scrolling of drawing area
 769
 770   GADGET_ID_SCROLL_UP,
 771   GADGET_ID_SCROLL_DOWN,
 772   GADGET_ID_SCROLL_LEFT,
 773   GADGET_ID_SCROLL_RIGHT,
 774   GADGET_ID_SCROLL_HORIZONTAL,
 775   GADGET_ID_SCROLL_VERTICAL,
 776
 777   // gadgets for scrolling element list
 778
 779   GADGET_ID_SCROLL_LIST_UP,
 780   GADGET_ID_SCROLL_LIST_DOWN,
 781   GADGET_ID_SCROLL_LIST_VERTICAL,
 782
 783   // checkbuttons/radiobuttons for level/element properties
 784
 785   GADGET_ID_AUTO_COUNT_GEMS,
 786   GADGET_ID_RATE_TIME_OVER_SCORE,
 787   GADGET_ID_USE_LEVELSET_ARTWORK,
 788   GADGET_ID_COPY_LEVEL_TEMPLATE,
 789   GADGET_ID_RANDOM_PERCENTAGE,
 790   GADGET_ID_RANDOM_QUANTITY,
 791   GADGET_ID_RANDOM_RESTRICTED,
 792   GADGET_ID_BD_INTERMISSION,
 793   GADGET_ID_BD_PAL_TIMING,
 794   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 795   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 796   GADGET_ID_BD_SHORT_EXPLOSIONS,
 797   GADGET_ID_STICK_ELEMENT,
 798   GADGET_ID_EM_SLIPPERY_GEMS,
 799   GADGET_ID_EM_EXPLODES_BY_FIRE,
 800   GADGET_ID_USE_SPRING_BUG,
 801   GADGET_ID_USE_TIME_ORB_BUG,
 802   GADGET_ID_USE_LIFE_BUGS,
 803   GADGET_ID_RANDOM_BALL_CONTENT,
 804   GADGET_ID_INITIAL_BALL_ACTIVE,
 805   GADGET_ID_GROW_INTO_DIGGABLE,
 806   GADGET_ID_SB_FIELDS_NEEDED,
 807   GADGET_ID_SB_OBJECTS_NEEDED,
 808   GADGET_ID_AUTO_EXIT_SOKOBAN,
 809   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 810   GADGET_ID_FINISH_DIG_COLLECT,
 811   GADGET_ID_KEEP_WALKABLE_CE,
 812   GADGET_ID_CONTINUOUS_SNAPPING,
 813   GADGET_ID_BLOCK_SNAP_FIELD,
 814   GADGET_ID_BLOCK_LAST_FIELD,
 815   GADGET_ID_SP_BLOCK_LAST_FIELD,
 816   GADGET_ID_INSTANT_RELOCATION,
 817   GADGET_ID_SHIFTED_RELOCATION,
 818   GADGET_ID_LAZY_RELOCATION,
 819   GADGET_ID_USE_START_ELEMENT,
 820   GADGET_ID_USE_ARTWORK_ELEMENT,
 821   GADGET_ID_USE_EXPLOSION_ELEMENT,
 822   GADGET_ID_INITIAL_GRAVITY,
 823   GADGET_ID_USE_INITIAL_INVENTORY,
 824   GADGET_ID_CAN_PASS_TO_WALKABLE,
 825   GADGET_ID_CAN_FALL_INTO_ACID,
 826   GADGET_ID_CAN_MOVE_INTO_ACID,
 827   GADGET_ID_DONT_COLLIDE_WITH,
 828   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 829   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 830   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 831   GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,
 832   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 833   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 834   GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,
 835   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 836   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 837   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 838   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 839   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 840   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 841   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 842   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 843   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 844   GADGET_ID_BD_REPLICATORS_ACTIVE,
 845   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 846   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 847   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 848   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 849   GADGET_ID_BD_INFINITE_ROCKETS,
 850   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 851   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 852   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 853   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 854   GADGET_ID_ENVELOPE_AUTOWRAP,
 855   GADGET_ID_ENVELOPE_CENTERED,
 856   GADGET_ID_MM_LASER_RED,
 857   GADGET_ID_MM_LASER_GREEN,
 858   GADGET_ID_MM_LASER_BLUE,
 859   GADGET_ID_DF_LASER_RED,
 860   GADGET_ID_DF_LASER_GREEN,
 861   GADGET_ID_DF_LASER_BLUE,
 862   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 863   GADGET_ID_EXPLODE_MM_BALL,
 864   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 865   GADGET_ID_CUSTOM_CAN_EXPLODE,
 866   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 867   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 868   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 869   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 870   GADGET_ID_CUSTOM_DEADLY,
 871   GADGET_ID_CUSTOM_CAN_MOVE,
 872   GADGET_ID_CUSTOM_CAN_FALL,
 873   GADGET_ID_CUSTOM_CAN_SMASH,
 874   GADGET_ID_CUSTOM_SLIPPERY,
 875   GADGET_ID_CUSTOM_ACCESSIBLE,
 876   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 877   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 878   GADGET_ID_CUSTOM_USE_GRAPHIC,
 879   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 880   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 881   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 882   GADGET_ID_CUSTOM_CAN_CHANGE,
 883   GADGET_ID_CHANGE_USE_CONTENT,
 884   GADGET_ID_CHANGE_USE_EXPLOSION,
 885   GADGET_ID_CHANGE_ONLY_COMPLETE,
 886   GADGET_ID_CHANGE_USE_RANDOM,
 887   GADGET_ID_CHANGE_HAS_ACTION,
 888   GADGET_ID_CHANGE_DELAY,
 889   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 890   GADGET_ID_CHANGE_BY_OTHER_ACT,
 891
 892   NUM_STATIC_GADGET_IDS
 893 };
 894
 895 // gadgets for buttons in element list (dynamic)
 896 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 897 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 898                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 899
 900 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 901
 902 // radio button numbers
 903 enum
 904 {
 905   RADIO_NR_NONE,
 906   RADIO_NR_DRAWING_TOOLBOX,
 907   RADIO_NR_RANDOM_ELEMENTS
 908 };
 909
 910 // values for counter gadgets
 911 enum
 912 {
 913   ED_COUNTER_ID_SELECT_LEVEL,
 914   ED_COUNTER_ID_LEVEL_XSIZE,
 915   ED_COUNTER_ID_LEVEL_YSIZE,
 916   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 917   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 918   ED_COUNTER_ID_LEVEL_TIMESCORE,
 919   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 920   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 921   ED_COUNTER_ID_LEVEL_RANDOM,
 922   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 923   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 924   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 925   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 926   ED_COUNTER_ID_BD_PUSHING_PROB,
 927   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 928   ED_COUNTER_ID_ELEMENT_VALUE1,
 929   ED_COUNTER_ID_ELEMENT_VALUE2,
 930   ED_COUNTER_ID_ELEMENT_VALUE3,
 931   ED_COUNTER_ID_ELEMENT_VALUE4,
 932   ED_COUNTER_ID_YAMYAM_CONTENT,
 933   ED_COUNTER_ID_BALL_CONTENT,
 934   ED_COUNTER_ID_ANDROID_CONTENT,
 935   ED_COUNTER_ID_ENVELOPE_XSIZE,
 936   ED_COUNTER_ID_ENVELOPE_YSIZE,
 937   ED_COUNTER_ID_INVENTORY_SIZE,
 938   ED_COUNTER_ID_MM_BALL_CONTENT,
 939   ED_COUNTER_ID_CUSTOM_SCORE,
 940   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 941   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 942   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 943   ED_COUNTER_ID_PUSH_DELAY_FIX,
 944   ED_COUNTER_ID_PUSH_DELAY_RND,
 945   ED_COUNTER_ID_DROP_DELAY_FIX,
 946   ED_COUNTER_ID_DROP_DELAY_RND,
 947   ED_COUNTER_ID_MOVE_DELAY_FIX,
 948   ED_COUNTER_ID_MOVE_DELAY_RND,
 949   ED_COUNTER_ID_STEP_DELAY_FIX,
 950   ED_COUNTER_ID_STEP_DELAY_RND,
 951   ED_COUNTER_ID_EXPLOSION_DELAY,
 952   ED_COUNTER_ID_IGNITION_DELAY,
 953   ED_COUNTER_ID_GROUP_CONTENT,
 954   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 955   ED_COUNTER_ID_CHANGE_DELAY_RND,
 956   ED_COUNTER_ID_CHANGE_CONT_RND,
 957
 958   ED_NUM_COUNTERBUTTONS
 959 };
 960
 961 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 962 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 963 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 964 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 965 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 966 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 967
 968 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 969 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 970 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 971 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 972 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 973 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 974
 975 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 976 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 977
 978 // values for scrollbutton gadgets
 979 enum
 980 {
 981   ED_SCROLLBUTTON_ID_AREA_UP,
 982   ED_SCROLLBUTTON_ID_AREA_DOWN,
 983   ED_SCROLLBUTTON_ID_AREA_LEFT,
 984   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 985   ED_SCROLLBUTTON_ID_LIST_UP,
 986   ED_SCROLLBUTTON_ID_LIST_DOWN,
 987
 988   ED_NUM_SCROLLBUTTONS
 989 };
 990
 991 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 992 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 993
 994 // values for scrollbar gadgets
 995 enum
 996 {
 997   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 998   ED_SCROLLBAR_ID_AREA_VERTICAL,
 999   ED_SCROLLBAR_ID_LIST_VERTICAL,
1000
1001   ED_NUM_SCROLLBARS
1002 };
1003
1004 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
1005 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
1006
1007 // values for text input gadgets
1008 enum
1009 {
1010   ED_TEXTINPUT_ID_LEVEL_NAME,
1011   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1012   ED_TEXTINPUT_ID_LEVELSET_NAME,
1013   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1014   ED_TEXTINPUT_ID_BD_COLOR_TEXT_B,
1015   ED_TEXTINPUT_ID_BD_COLOR_TEXT_0,
1016   ED_TEXTINPUT_ID_BD_COLOR_TEXT_1,
1017   ED_TEXTINPUT_ID_BD_COLOR_TEXT_2,
1018   ED_TEXTINPUT_ID_BD_COLOR_TEXT_3,
1019   ED_TEXTINPUT_ID_BD_COLOR_TEXT_4,
1020   ED_TEXTINPUT_ID_BD_COLOR_TEXT_5,
1021   ED_TEXTINPUT_ID_ELEMENT_NAME,
1022
1023   ED_NUM_TEXTINPUT
1024 };
1025
1026 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
1027 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
1028
1029 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
1030 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
1031
1032 #define ED_TEXTINPUT_ID_COLORS_FIRST    ED_TEXTINPUT_ID_BD_COLOR_TEXT_B
1033 #define ED_TEXTINPUT_ID_COLORS_LAST     ED_TEXTINPUT_ID_BD_COLOR_TEXT_5
1034
1035 // values for text area gadgets
1036 enum
1037 {
1038   ED_TEXTAREA_ID_ENVELOPE_INFO,
1039
1040   ED_NUM_TEXTAREAS
1041 };
1042
1043 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
1044 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
1045
1046 // values for selectbox gadgets
1047 enum
1048 {
1049   ED_SELECTBOX_ID_TIME_OR_STEPS,
1050   ED_SELECTBOX_ID_TIME_SCORE_BASE,
1051   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
1052   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
1053   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
1054   ED_SELECTBOX_ID_BD_COLOR_TYPE,
1055   ED_SELECTBOX_ID_BD_COLOR_C64_B,
1056   ED_SELECTBOX_ID_BD_COLOR_C64_0,
1057   ED_SELECTBOX_ID_BD_COLOR_C64_1,
1058   ED_SELECTBOX_ID_BD_COLOR_C64_2,
1059   ED_SELECTBOX_ID_BD_COLOR_C64_3,
1060   ED_SELECTBOX_ID_BD_COLOR_C64_4,
1061   ED_SELECTBOX_ID_BD_COLOR_C64_5,
1062   ED_SELECTBOX_ID_WIND_DIRECTION,
1063   ED_SELECTBOX_ID_PLAYER_SPEED,
1064   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
1065   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
1066   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
1067   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
1068   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
1069   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
1070   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
1071   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
1072   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
1073   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
1074   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
1075   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
1076   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
1077   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
1078   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
1079   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
1080   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
1081   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
1082   ED_SELECTBOX_ID_CHANGE_SIDE,
1083   ED_SELECTBOX_ID_CHANGE_PLAYER,
1084   ED_SELECTBOX_ID_CHANGE_PAGE,
1085   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
1086   ED_SELECTBOX_ID_ACTION_TYPE,
1087   ED_SELECTBOX_ID_ACTION_MODE,
1088   ED_SELECTBOX_ID_ACTION_ARG,
1089   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
1090   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
1091
1092   ED_NUM_SELECTBOX
1093 };
1094
1095 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
1096 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
1097
1098 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1099 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1100
1101 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1102 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1103
1104 #define ED_SELECTBOX_ID_COLORS_FIRST    ED_SELECTBOX_ID_BD_COLOR_C64_B
1105 #define ED_SELECTBOX_ID_COLORS_LAST     ED_SELECTBOX_ID_BD_COLOR_C64_5
1106
1107 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
1108 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
1109 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
1110 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
1111 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
1112 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
1113
1114 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
1115 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1116
1117 // values for textbutton gadgets
1118 enum
1119 {
1120   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1121   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1122   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1123   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1124   ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
1125   ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
1126   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1127   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1128   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1129   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1130   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1131   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1132   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1133   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1134   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1135   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1136   ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS,
1137
1138   ED_NUM_TEXTBUTTONS
1139 };
1140
1141 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1142 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1143
1144 #define ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1145 #define ED_TAB_BUTTON_ID_ENGINECONFIG_LAST  ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1146
1147 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1148 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1149
1150 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1151 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1152
1153 // values for graphicbutton gadgets
1154 enum
1155 {
1156   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1157   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1158   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1159   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1160
1161   ED_NUM_GRAPHICBUTTONS
1162 };
1163
1164 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1165 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1166
1167 // values for checkbutton gadgets
1168 enum
1169 {
1170   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1171   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1172   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1173   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1174   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1175   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1176   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1177   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1178   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1179   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1180   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1181   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1182   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1183   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1184   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1185   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1186   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1187   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1188   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1189   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1190   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1191   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1192   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1193   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1194   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1195   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1196   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1197   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1198   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1199   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1200   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1201   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1202   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1203   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1204   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1205   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1206   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1207   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1208   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1209   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1210   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1211   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1212   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1213   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1214   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1215   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1216   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
1217   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1218   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1219   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
1220   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1221   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1222   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1223   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1224   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1225   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1226   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1227   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1228   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1229   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1230   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1231   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1232   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1233   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1234   ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
1235   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1236   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1237   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1238   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1239   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1240   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1241   ED_CHECKBUTTON_ID_MM_LASER_RED,
1242   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1243   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1244   ED_CHECKBUTTON_ID_DF_LASER_RED,
1245   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1246   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1247   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1248   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1249   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1250   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1251   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1252   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1253   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1254   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1255   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1256   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1257   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1258   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1259   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1260   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1261   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1262   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1263   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1264   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1265   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1266   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1267   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1268   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1269   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1270   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1271   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1272   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1273   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1274
1275   ED_NUM_CHECKBUTTONS
1276 };
1277
1278 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1279 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1280
1281 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1282 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1283
1284 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1285 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1286
1287 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1288 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1289
1290 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1291 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1292 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1293 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1294 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1295 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1296
1297 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1298 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1299
1300 // values for radiobutton gadgets
1301 enum
1302 {
1303   ED_RADIOBUTTON_ID_PERCENTAGE,
1304   ED_RADIOBUTTON_ID_QUANTITY,
1305
1306   ED_NUM_RADIOBUTTONS
1307 };
1308
1309 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1310 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1311
1312 // values for drawing area gadgets
1313 enum
1314 {
1315   ED_DRAWING_ID_DRAWING_LEVEL,
1316   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1317   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1318   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1319   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1320   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1321   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1322   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1323   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1324   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1325   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1326   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1327   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1328   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1329   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1330   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1331   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1332   ED_DRAWING_ID_ANDROID_CONTENT,
1333   ED_DRAWING_ID_AMOEBA_CONTENT,
1334   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1335   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1336   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1337   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1338   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1339   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1340   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1341   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1342   ED_DRAWING_ID_BD_AMOEBA_1_CONTENT_TOO_BIG,
1343   ED_DRAWING_ID_BD_AMOEBA_1_CONTENT_ENCLOSED,
1344   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1345   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1346   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1347   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1348   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1349   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1350   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1351   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1352   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1353   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1354   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1355   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1356   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1357   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1358   ED_DRAWING_ID_BD_NUT_CONTENT,
1359   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1360   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1361   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
1362   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
1363   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
1364   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
1365   ED_DRAWING_ID_BD_FIREFLY_1_EXPLODES_TO,
1366   ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
1367   ED_DRAWING_ID_BD_BUTTERFLY_1_EXPLODES_TO,
1368   ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
1369   ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
1370   ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
1371   ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
1372   ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
1373   ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
1374   ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
1375   ED_DRAWING_ID_START_ELEMENT,
1376   ED_DRAWING_ID_ARTWORK_ELEMENT,
1377   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1378   ED_DRAWING_ID_INVENTORY_CONTENT,
1379   ED_DRAWING_ID_MM_BALL_CONTENT,
1380   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1381   ED_DRAWING_ID_CUSTOM_CONTENT,
1382   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1383   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1384   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1385   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1386   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1387   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1388   ED_DRAWING_ID_GROUP_CONTENT,
1389   ED_DRAWING_ID_RANDOM_BACKGROUND,
1390
1391   ED_NUM_DRAWING_AREAS
1392 };
1393
1394 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1395 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1396
1397
1398 // ----------------------------------------------------------------------------
1399 // some internally used definitions
1400 // ----------------------------------------------------------------------------
1401
1402 // values for CopyLevelToUndoBuffer()
1403 #define UNDO_IMMEDIATE                  0
1404 #define UNDO_ACCUMULATE                 1
1405
1406 // values for scrollbars
1407 #define ED_SCROLL_NO                    0
1408 #define ED_SCROLL_LEFT                  1
1409 #define ED_SCROLL_RIGHT                 2
1410 #define ED_SCROLL_UP                    4
1411 #define ED_SCROLL_DOWN                  8
1412
1413 // screens in the level editor
1414 #define ED_MODE_DRAWING                 0
1415 #define ED_MODE_LEVELCONFIG             1
1416 #define ED_MODE_PROPERTIES              2
1417 #define ED_MODE_PALETTE                 3
1418
1419 // sub-screens in the global settings section
1420 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1421 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1422 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1423 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1424
1425 // sub-screens in the engine settings section
1426 #define ED_MODE_ENGINECONFIG_CONFIG     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1427 #define ED_MODE_ENGINECONFIG_COLORS     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1428
1429 // sub-screens in the element properties section
1430 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1431 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1432 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1433 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1434 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1435
1436 // how many steps can be cancelled
1437 #define NUM_UNDO_STEPS                  (64 + 1)
1438
1439 // values for elements with score for certain actions
1440 #define MIN_SCORE                       0
1441 #define MAX_SCORE                       999
1442
1443 // values for elements with count for collecting
1444 #define MIN_COLLECT_COUNT               0
1445 #define MAX_COLLECT_COUNT               999
1446
1447 // values for random placement
1448 #define RANDOM_USE_PERCENTAGE           0
1449 #define RANDOM_USE_QUANTITY             1
1450
1451 // values for level set save mode
1452 #define LEVELSET_SAVE_MODE_UPDATE       0
1453 #define LEVELSET_SAVE_MODE_CREATE       1
1454
1455 // default value for element tile size in drawing area
1456 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1457 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1458
1459
1460 // ----------------------------------------------------------------------------
1461 // some internally used data structure definitions
1462 // ----------------------------------------------------------------------------
1463
1464 static struct
1465 {
1466   int graphic;
1467   int gadget_id;
1468   struct XYTileSize *pos;
1469   int gadget_type;
1470   char *infotext;
1471   char shortcut;
1472 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1473 {
1474   // note: some additional characters are already reserved for "cheat mode"
1475   // shortcuts (":XYZ" style) -- for details, see "events.c"
1476
1477   // ---------- toolbox control buttons ---------------------------------------
1478
1479   {
1480     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1481     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1482     "Draw single items",                        's'
1483   },
1484   {
1485     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1486     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1487     "Draw connected items",                     'd'
1488   },
1489   {
1490     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1491     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1492     "Draw lines",                               'l'
1493   },
1494   {
1495     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1496     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1497     "Draw arcs",                                'a'
1498   },
1499   {
1500     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1501     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1502     "Draw outline rectangles",                  'r'
1503   },
1504   {
1505     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1506     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1507     "Draw filled rectangles",                   'R'
1508   },
1509   {
1510     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1511     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1512     "Wrap (rotate) level up",                   0
1513   },
1514   {
1515     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1516     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1517     "Enter text elements",                      't'
1518   },
1519   {
1520     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1521     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1522     "Flood fill",                               'f'
1523   },
1524   {
1525     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1526     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1527     "Wrap (rotate) level left",                 0
1528   },
1529   {
1530     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1531     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1532     "Zoom level tile size",                     '+'
1533   },
1534   {
1535     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1536     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1537     "Wrap (rotate) level right",                0
1538   },
1539   {
1540     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1541     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1542     "Random element placement",                 0
1543   },
1544   {
1545     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1546     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1547     "Grab brush",                               'b'
1548   },
1549   {
1550     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1551     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1552     "Wrap (rotate) level down",                 0
1553   },
1554   {
1555     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1556     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1557     "Pick drawing element",                     ','
1558   },
1559
1560   // ---------- level control buttons -----------------------------------------
1561
1562   {
1563     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1564     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1565     "Undo/redo last operation",                 'u'
1566   },
1567   {
1568     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1569     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1570     "Level and editor settings",                'I'
1571   },
1572   {
1573     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1574     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1575     "Save level",                               'S'
1576   },
1577   {
1578     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1579     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1580     "Clear level",                              'C'
1581   },
1582   {
1583     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1584     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1585     "Test level",                               'T'
1586   },
1587   {
1588     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1589     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1590     "Exit level editor",                        'E'
1591   },
1592
1593   // ---------- CE and GE control buttons -------------------------------------
1594
1595   {
1596     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1597     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1598     "Copy settings from other element",         0
1599   },
1600   {
1601     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1602     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1603     "Copy settings to other element",           0
1604   },
1605   {
1606     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1607     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1608     "Exchange element with other element",      0
1609   },
1610   {
1611     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1612     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1613     "Copy settings from this element",          0
1614   },
1615   {
1616     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1617     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1618     "Paste settings to this element",           0
1619   },
1620
1621   // ---------- palette control buttons ---------------------------------------
1622
1623   {
1624     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1625     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1626     "Properties of drawing element",            'p'
1627   },
1628   {
1629     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1630     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1631     "Properties of drawing element 1",          '1'
1632   },
1633   {
1634     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1635     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1636     "Properties of drawing element 2",          '2'
1637   },
1638   {
1639     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1640     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1641     "Properties of drawing element 3",          '3'
1642   },
1643   {
1644     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1645     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1646     "Show list of elements",                    'e'
1647   }
1648 };
1649
1650 static int random_placement_value = 10;
1651 static int random_placement_method = RANDOM_USE_QUANTITY;
1652 static int random_placement_background_element = EL_SAND;
1653 static boolean random_placement_background_restricted = FALSE;
1654 static boolean stick_element_properties_window = FALSE;
1655 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1656 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1657 static struct ElementChangeInfo custom_element_change;
1658 static struct ElementGroupInfo group_element_info;
1659 static struct ElementInfo custom_element;
1660
1661 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1662 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1663 static int levelset_num_levels = 100;
1664 static boolean levelset_use_levelset_artwork = FALSE;
1665 static boolean levelset_copy_level_template = FALSE;
1666 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1667
1668 #define MAX_BD_COLORS                   7
1669 #define MAX_BD_COLOR_TEXT_LEN           10
1670
1671 static boolean bd_color_type_changed = FALSE;
1672 static int bd_color_type_default = GD_COLOR_TYPE_RGB;
1673 static int bd_color_c64[MAX_BD_COLORS];
1674 static char bd_color_text[MAX_BD_COLORS][MAX_BD_COLOR_TEXT_LEN + 1];
1675 static int bd_color_default[MAX_BD_COLORS];
1676 static int *bd_color[MAX_BD_COLORS] =
1677 {
1678   &level.bd_color_b,
1679   &level.bd_color_0,
1680   &level.bd_color_1,
1681   &level.bd_color_2,
1682   &level.bd_color_3,
1683   &level.bd_color_4,
1684   &level.bd_color_5,
1685 };
1686
1687 static struct
1688 {
1689   int gadget_type_id;
1690   int x, y;
1691   int min_value, max_value;
1692   int gadget_id_down, gadget_id_up;
1693   int gadget_id_text;
1694   int gadget_id_align;
1695   int *value;
1696   char *text_above, *text_left, *text_right;
1697 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1698 {
1699   // ---------- current level number ------------------------------------------
1700
1701   {
1702     ED_COUNTER_ID_SELECT_LEVEL,
1703     -1, -1,     // these values are not constant, but can change at runtime
1704     1,                                          100,
1705     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1706     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1707     &level_nr,
1708     NULL,                                       NULL, NULL
1709   },
1710
1711   // ---------- level and editor settings -------------------------------------
1712
1713   {
1714     ED_COUNTER_ID_LEVEL_XSIZE,
1715     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1716     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1717     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1718     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1719     &level.fieldx,
1720     "Playfield size:",                          NULL, "Width",
1721   },
1722   {
1723     ED_COUNTER_ID_LEVEL_YSIZE,
1724     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1725     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1726     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1727     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1728     &level.fieldy,
1729     NULL,                                       " ", "Height",
1730   },
1731   {
1732     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1733     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1734     0,                                          999,
1735     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1736     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1737     &level.gems_needed,
1738     NULL,                                       "Number of gems to collect:", NULL
1739   },
1740   {
1741     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1742     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1743     0,                                          9999,
1744     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1745     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1746     &level.time,
1747     "Time or step limit to solve level:",       NULL, NULL
1748   },
1749   {
1750     ED_COUNTER_ID_LEVEL_TIMESCORE,
1751     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1752     0,                                          999,
1753     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1754     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1755     &level.score[SC_TIME_BONUS],
1756     "Score for time or steps left:",            NULL, NULL
1757   },
1758   {
1759     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1760     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1761     0,                                          9999,
1762     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1763     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1764     &level.random_seed,
1765     NULL,                                       "Random seed:", "(0 => random)"
1766   },
1767   {
1768     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1769     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1770     1,                                          MAX_LEVELS,
1771     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1772     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1773     &levelset_num_levels,
1774     "Number of levels:",                        NULL, NULL,
1775   },
1776   {
1777     ED_COUNTER_ID_LEVEL_RANDOM,
1778     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1779     1,                                          100,
1780     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1781     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1782     &random_placement_value,
1783     "Random element placement:",                NULL, "in"
1784   },
1785   {
1786     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1787     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1788     50,                                         500,
1789     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1790     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1791     &level.bd_cycle_delay_ms,
1792     NULL,                                       NULL, "Game cycle delay (ms)"
1793   },
1794   {
1795     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1796     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1797     0,                                          32,
1798     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1799     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1800     &level.bd_cycle_delay_c64,
1801     NULL,                                       NULL, "Game cycle delay (C64-style)"
1802   },
1803   {
1804     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1805     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1806     1,                                          40,
1807     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1808     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1809     &level.bd_hatching_delay_cycles,
1810     NULL,                                       NULL, "Hatching delay (cycles)"
1811   },
1812   {
1813     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1814     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1815     1,                                          40,
1816     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1817     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1818     &level.bd_hatching_delay_seconds,
1819     NULL,                                       NULL, "Hatching delay (seconds)"
1820   },
1821
1822   // ---------- element settings: configure (various elements) ----------------
1823
1824   {
1825     ED_COUNTER_ID_BD_PUSHING_PROB,
1826     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1827     0,                                          100,
1828     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1829     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1830     &level.bd_pushing_prob,
1831     NULL,                                       NULL, "Push probability"
1832   },
1833   {
1834     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1835     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1836     0,                                          100,
1837     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1838     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1839     &level.bd_pushing_prob_with_sweet,
1840     NULL,                                       NULL, "Push probability with sweet"
1841   },
1842   {
1843     ED_COUNTER_ID_ELEMENT_VALUE1,
1844     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1845     MIN_SCORE,                                  MAX_SCORE,
1846     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1847     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1848     NULL,                                       // will be set when used
1849     NULL,                                       NULL, NULL
1850   },
1851   {
1852     ED_COUNTER_ID_ELEMENT_VALUE2,
1853     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1854     MIN_SCORE,                                  MAX_SCORE,
1855     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1856     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1857     NULL,                                       // will be set when used
1858     NULL,                                       NULL, NULL
1859   },
1860   {
1861     ED_COUNTER_ID_ELEMENT_VALUE3,
1862     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1863     MIN_SCORE,                                  MAX_SCORE,
1864     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1865     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1866     NULL,                                       // will be set when used
1867     NULL,                                       NULL, NULL
1868   },
1869   {
1870     ED_COUNTER_ID_ELEMENT_VALUE4,
1871     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1872     MIN_SCORE,                                  MAX_SCORE,
1873     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1874     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1875     NULL,                                       // will be set when used
1876     NULL,                                       NULL, NULL
1877   },
1878   {
1879     ED_COUNTER_ID_YAMYAM_CONTENT,
1880     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1881     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1882     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1883     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1884     &level.num_yamyam_contents,
1885     NULL,                                       NULL, "Number of content areas"
1886   },
1887   {
1888     ED_COUNTER_ID_BALL_CONTENT,
1889     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1890     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1891     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1892     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1893     &level.num_ball_contents,
1894     NULL,                                       NULL, "Number of content areas"
1895   },
1896   {
1897     ED_COUNTER_ID_ANDROID_CONTENT,
1898     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1899     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1900     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1901     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1902     &level.num_android_clone_elements,
1903     NULL,                                       NULL, "Number of clonable elements"
1904   },
1905   {
1906     ED_COUNTER_ID_ENVELOPE_XSIZE,
1907     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1908     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1909     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1910     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1911     NULL,                                       // will be set when used
1912     NULL,                                       NULL, "Width",
1913   },
1914   {
1915     ED_COUNTER_ID_ENVELOPE_YSIZE,
1916     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1917     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1918     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1919     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1920     NULL,                                       // will be set when used
1921     NULL,                                       " ", "Height",
1922   },
1923   {
1924     ED_COUNTER_ID_INVENTORY_SIZE,
1925     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1926     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1927     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1928     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1929     &level.initial_inventory_size[0],
1930     NULL,                                       NULL, "Number of inventory elements"
1931   },
1932   {
1933     ED_COUNTER_ID_MM_BALL_CONTENT,
1934     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1935     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1936     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1937     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1938     &level.num_mm_ball_contents,
1939     NULL,                                       NULL, "Number of content elements"
1940   },
1941
1942   // ---------- element settings: configure 1 (custom elements) ---------------
1943
1944   {
1945     ED_COUNTER_ID_CUSTOM_SCORE,
1946     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1947     MIN_SCORE,                                  MAX_SCORE,
1948     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1949     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1950     &custom_element.collect_score_initial,
1951     NULL,                                       "CE score", " "
1952   },
1953   {
1954     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1955     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1956     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1957     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1958     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1959     &custom_element.collect_count_initial,
1960     NULL,                                       "CE count", NULL
1961   },
1962   {
1963     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1964     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1965     0,                                          9999,
1966     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1967     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1968     &custom_element.ce_value_fixed_initial,
1969     NULL,                                       "CE value", NULL
1970   },
1971   {
1972     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1973     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1974     0,                                          9999,
1975     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1976     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1977     &custom_element.ce_value_random_initial,
1978     NULL,                                       "+random", NULL
1979   },
1980   {
1981     ED_COUNTER_ID_PUSH_DELAY_FIX,
1982     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1983     0,                                          999,
1984     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1985     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1986     &custom_element.push_delay_fixed,
1987     NULL,                                       "Push delay", NULL
1988   },
1989   {
1990     ED_COUNTER_ID_PUSH_DELAY_RND,
1991     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1992     0,                                          999,
1993     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1994     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1995     &custom_element.push_delay_random,
1996     NULL,                                       "+random", NULL
1997   },
1998   {
1999     ED_COUNTER_ID_DROP_DELAY_FIX,
2000     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
2001     0,                                          999,
2002     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
2003     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2004     &custom_element.drop_delay_fixed,
2005     NULL,                                       "Drop delay", NULL
2006   },
2007   {
2008     ED_COUNTER_ID_DROP_DELAY_RND,
2009     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
2010     0,                                          999,
2011     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
2012     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
2013     &custom_element.drop_delay_random,
2014     NULL,                                       "+random", NULL
2015   },
2016
2017   // ---------- element settings: configure 2 (custom elements) ---------------
2018
2019   {
2020     ED_COUNTER_ID_MOVE_DELAY_FIX,
2021     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
2022     0,                                          999,
2023     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
2024     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2025     &custom_element.move_delay_fixed,
2026     NULL,                                       "Move delay", NULL
2027   },
2028   {
2029     ED_COUNTER_ID_MOVE_DELAY_RND,
2030     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
2031     0,                                          999,
2032     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
2033     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
2034     &custom_element.move_delay_random,
2035     NULL,                                       "+random", NULL
2036   },
2037   {
2038     ED_COUNTER_ID_STEP_DELAY_FIX,
2039     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
2040     0,                                          999,
2041     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
2042     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2043     &custom_element.step_delay_fixed,
2044     NULL,                                       "Step delay", NULL
2045   },
2046   {
2047     ED_COUNTER_ID_STEP_DELAY_RND,
2048     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
2049     0,                                          999,
2050     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
2051     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
2052     &custom_element.step_delay_random,
2053     NULL,                                       "+random", NULL
2054   },
2055   {
2056     ED_COUNTER_ID_EXPLOSION_DELAY,
2057     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
2058     0,                                          999,
2059     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
2060     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
2061     &custom_element.explosion_delay,
2062     NULL,                                       "Explosion delay", NULL
2063   },
2064   {
2065     ED_COUNTER_ID_IGNITION_DELAY,
2066     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
2067     0,                                          999,
2068     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
2069     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
2070     &custom_element.ignition_delay,
2071     NULL,                                       "Ignition delay", "(by fire)"
2072   },
2073
2074   // ---------- element settings: configure (group elements) ------------------
2075
2076   {
2077     ED_COUNTER_ID_GROUP_CONTENT,
2078     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2079     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
2080     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
2081     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
2082     &group_element_info.num_elements,
2083     NULL,                                       NULL, "Number of elements in group"
2084   },
2085
2086   // ---------- element settings: advanced (custom elements) ------------------
2087
2088   {
2089     ED_COUNTER_ID_CHANGE_DELAY_FIX,
2090     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
2091     0,                                          999,
2092     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2093     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
2094     &custom_element_change.delay_fixed,
2095     NULL,                                       "CE delay", NULL,
2096   },
2097   {
2098     ED_COUNTER_ID_CHANGE_DELAY_RND,
2099     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2100     0,                                          999,
2101     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
2102     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2103     &custom_element_change.delay_random,
2104     NULL,                                       "+random", NULL
2105   },
2106   {
2107     ED_COUNTER_ID_CHANGE_CONT_RND,
2108     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
2109     0,                                          100,
2110     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
2111     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
2112     &custom_element_change.random_percentage,
2113     NULL,                                       "Use random replace:", "%"
2114   },
2115 };
2116
2117 static struct
2118 {
2119   int gadget_type_id;
2120   int x, y;
2121   int gadget_id;
2122   int size;
2123   char *value;
2124   char *text_above, *text_left, *text_right, *infotext;
2125 } textinput_info[ED_NUM_TEXTINPUT] =
2126 {
2127   // ---------- level and editor settings -------------------------------------
2128
2129   {
2130     ED_TEXTINPUT_ID_LEVEL_NAME,
2131     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2132     GADGET_ID_LEVEL_NAME,
2133     MAX_LEVEL_NAME_LEN,
2134     level.name,
2135     "Title:", NULL, NULL,                       "Enter title for this level"
2136   },
2137   {
2138     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
2139     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2140     GADGET_ID_LEVEL_AUTHOR,
2141     MAX_LEVEL_AUTHOR_LEN,
2142     level.author,
2143     "Author:", NULL, NULL,                      "Enter author for this level"
2144   },
2145   {
2146     ED_TEXTINPUT_ID_LEVELSET_NAME,
2147     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2148     GADGET_ID_LEVELSET_NAME,
2149     MAX_LEVEL_NAME_LEN,
2150     levelset_name,
2151     "Title:", NULL, NULL,                       "Enter title for this or new level set"
2152   },
2153   {
2154     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
2155     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2156     GADGET_ID_LEVELSET_AUTHOR,
2157     MAX_LEVEL_AUTHOR_LEN,
2158     levelset_author,
2159     "Author:", NULL, NULL,                      "Enter author for this or new level set"
2160   },
2161
2162   // ---------- engine settings: colors ---------------------------------------
2163
2164   {
2165     ED_TEXTINPUT_ID_BD_COLOR_TEXT_B,
2166     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
2167     GADGET_ID_BD_COLOR_TEXT_B,
2168     MAX_BD_COLOR_TEXT_LEN,
2169     bd_color_text[0],
2170     NULL, "Border color:      ", NULL,          "Enter border color (not used)"
2171   },
2172   {
2173     ED_TEXTINPUT_ID_BD_COLOR_TEXT_0,
2174     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
2175     GADGET_ID_BD_COLOR_TEXT_0,
2176     MAX_BD_COLOR_TEXT_LEN,
2177     bd_color_text[1],
2178     NULL, "Background color:  ", NULL,          "Enter background color (C64 graphics)"
2179   },
2180   {
2181     ED_TEXTINPUT_ID_BD_COLOR_TEXT_1,
2182     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
2183     GADGET_ID_BD_COLOR_TEXT_1,
2184     MAX_BD_COLOR_TEXT_LEN,
2185     bd_color_text[2],
2186     NULL, "Sand color:        ", NULL,          "Enter sand color (C64 graphics)"
2187   },
2188   {
2189     ED_TEXTINPUT_ID_BD_COLOR_TEXT_2,
2190     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
2191     GADGET_ID_BD_COLOR_TEXT_2,
2192     MAX_BD_COLOR_TEXT_LEN,
2193     bd_color_text[3],
2194     NULL, "Steel wall color:  ", NULL,          "Enter steel wall color (C64 graphics)"
2195   },
2196   {
2197     ED_TEXTINPUT_ID_BD_COLOR_TEXT_3,
2198     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(5),
2199     GADGET_ID_BD_COLOR_TEXT_3,
2200     MAX_BD_COLOR_TEXT_LEN,
2201     bd_color_text[4],
2202     NULL, "Wall color:        ", NULL,          "Enter wall color (C64 graphics)"
2203   },
2204   {
2205     ED_TEXTINPUT_ID_BD_COLOR_TEXT_4,
2206     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
2207     GADGET_ID_BD_COLOR_TEXT_4,
2208     MAX_BD_COLOR_TEXT_LEN,
2209     bd_color_text[5],
2210     NULL, "Amoeba color:      ", NULL,          "Enter amoeba color (C64 graphics)"
2211   },
2212   {
2213     ED_TEXTINPUT_ID_BD_COLOR_TEXT_5,
2214     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
2215     GADGET_ID_BD_COLOR_TEXT_5,
2216     MAX_BD_COLOR_TEXT_LEN,
2217     bd_color_text[6],
2218     NULL, "Slime color:       ", NULL,          "Enter slime color (C64 graphics)"
2219   },
2220
2221   // ---------- element settings: configure (several elements) ----------------
2222
2223   {
2224     ED_TEXTINPUT_ID_ELEMENT_NAME,
2225     -1, -1,     // these values are not constant, but can change at runtime
2226     GADGET_ID_ELEMENT_NAME,
2227     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2228     custom_element.description,
2229     NULL, NULL, NULL,                           "Enter element name"
2230   }
2231 };
2232
2233 static struct
2234 {
2235   int gadget_type_id;
2236   int x, y;
2237   int gadget_id;
2238   int xsize, ysize;
2239   char *value;
2240   char *text_above, *text_above_cropped, *infotext;
2241 } textarea_info[ED_NUM_TEXTAREAS] =
2242 {
2243   {
2244     ED_TEXTAREA_ID_ENVELOPE_INFO,
2245     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2246     GADGET_ID_ENVELOPE_INFO,
2247     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2248     NULL,
2249     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2250   }
2251 };
2252
2253 static struct ValueTextInfo options_time_or_steps[] =
2254 {
2255   { 0,                                  "seconds"                       },
2256   { 1,                                  "steps"                         },
2257
2258   { -1,                                 NULL                            }
2259 };
2260
2261 static struct ValueTextInfo options_time_score_base[] =
2262 {
2263   { 1,                                  "per second/step"               },
2264   { 10,                                 "per 10 seconds/steps"          },
2265
2266   { -1,                                 NULL                            }
2267 };
2268
2269 static struct ValueTextInfo options_game_engine_type[] =
2270 {
2271   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2272   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2273   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2274   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2275   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2276
2277   { -1,                                 NULL                            }
2278 };
2279
2280 static struct ValueTextInfo options_levelset_save_mode[] =
2281 {
2282   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2283   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2284
2285   { -1,                                 NULL                            }
2286 };
2287
2288 static struct ValueTextInfo options_bd_gravity_direction[] =
2289 {
2290   { GD_MV_DOWN,                         "down"                          },
2291   { GD_MV_UP,                           "up"                            },
2292   { GD_MV_LEFT,                         "left"                          },
2293   { GD_MV_RIGHT,                        "right"                         },
2294
2295   { -1,                                 NULL                            }
2296 };
2297
2298 static struct ValueTextInfo options_wind_direction[] =
2299 {
2300   { MV_START_NONE,                      "none"                          },
2301   { MV_START_LEFT,                      "left"                          },
2302   { MV_START_RIGHT,                     "right"                         },
2303   { MV_START_UP,                        "up"                            },
2304   { MV_START_DOWN,                      "down"                          },
2305
2306   { -1,                                 NULL                            }
2307 };
2308
2309 static struct ValueTextInfo options_player_speed[] =
2310 {
2311   { 0,                                  "frozen"                        },
2312   { 1,                                  "very slow"                     },
2313   { 2,                                  "slow"                          },
2314   { 4,                                  "normal"                        },
2315   { 8,                                  "fast"                          },
2316   { 16,                                 "very fast"                     },
2317   { 32,                                 "ultrafast"                     },
2318
2319   { -1,                                 NULL                            }
2320 };
2321
2322 static struct ValueTextInfo options_access_type[] =
2323 {
2324   { EP_WALKABLE,                        "walkable"                      },
2325   { EP_PASSABLE,                        "passable"                      },
2326
2327   { -1,                                 NULL                            }
2328 };
2329
2330 static struct ValueTextInfo options_access_layer[] =
2331 {
2332   { EP_ACCESSIBLE_OVER,                 "over"                          },
2333   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2334   { EP_ACCESSIBLE_UNDER,                "under"                         },
2335
2336   { -1,                                 NULL                            }
2337 };
2338
2339 static struct ValueTextInfo options_access_protected[] =
2340 {
2341   { 0,                                  "unprotected"                   },
2342   { 1,                                  "protected"                     },
2343
2344   { -1,                                 NULL                            }
2345 };
2346
2347 static struct ValueTextInfo options_access_direction[] =
2348 {
2349   { MV_NO_DIRECTION,                    "no direction"                  },
2350   { MV_LEFT,                            "left"                          },
2351   { MV_RIGHT,                           "right"                         },
2352   { MV_UP,                              "up"                            },
2353   { MV_DOWN,                            "down"                          },
2354   { MV_LEFT  | MV_UP,                   "left + up"                     },
2355   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2356   { MV_RIGHT | MV_UP,                   "right + up"                    },
2357   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2358   { MV_HORIZONTAL,                      "horizontal"                    },
2359   { MV_VERTICAL,                        "vertical"                      },
2360   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2361   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2362   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2363   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2364   { MV_ALL_DIRECTIONS,                  "all directions"                },
2365
2366   { -1,                                 NULL                            }
2367 };
2368
2369 static struct ValueTextInfo options_walk_to_action[] =
2370 {
2371   { EP_DIGGABLE,                        "diggable"                      },
2372   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2373   { EP_DROPPABLE,                       "collectible & droppable"       },
2374   { EP_THROWABLE,                       "collectible & throwable"       },
2375   { EP_PUSHABLE,                        "pushable"                      },
2376
2377   { -1,                                 NULL                            }
2378 };
2379
2380 static struct ValueTextInfo options_move_pattern[] =
2381 {
2382   { MV_LEFT,                            "left"                          },
2383   { MV_RIGHT,                           "right"                         },
2384   { MV_UP,                              "up"                            },
2385   { MV_DOWN,                            "down"                          },
2386   { MV_HORIZONTAL,                      "horizontal"                    },
2387   { MV_VERTICAL,                        "vertical"                      },
2388   { MV_ALL_DIRECTIONS,                  "all directions"                },
2389   { MV_WIND_DIRECTION,                  "wind direction"                },
2390   { MV_TOWARDS_PLAYER,                  "towards player"                },
2391   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2392   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2393   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2394   { MV_TURNING_LEFT,                    "turning left"                  },
2395   { MV_TURNING_RIGHT,                   "turning right"                 },
2396   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2397   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2398   { MV_TURNING_RANDOM,                  "turning random"                },
2399   { MV_MAZE_RUNNER,                     "maze runner style"             },
2400   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2401   { MV_WHEN_PUSHED,                     "when pushed"                   },
2402   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2403
2404   { -1,                                 NULL                            }
2405 };
2406
2407 static struct ValueTextInfo options_move_direction[] =
2408 {
2409   { MV_START_AUTOMATIC,                 "automatic"                     },
2410   { MV_START_LEFT,                      "left"                          },
2411   { MV_START_RIGHT,                     "right"                         },
2412   { MV_START_UP,                        "up"                            },
2413   { MV_START_DOWN,                      "down"                          },
2414   { MV_START_RANDOM,                    "random"                        },
2415   { MV_START_PREVIOUS,                  "previous"                      },
2416
2417   { -1,                                 NULL                            }
2418 };
2419
2420 static struct ValueTextInfo options_move_stepsize[] =
2421 {
2422   { 0,                                  "not moving"                    },
2423   { 1,                                  "very slow"                     },
2424   { 2,                                  "slow"                          },
2425   { 4,                                  "normal"                        },
2426   { 8,                                  "fast"                          },
2427   { 16,                                 "very fast"                     },
2428   { 32,                                 "even faster"                   },
2429
2430   { -1,                                 NULL                            }
2431 };
2432
2433 static struct ValueTextInfo options_move_leave_type[] =
2434 {
2435   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2436   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2437
2438   { -1,                                 NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_smash_targets[] =
2442 {
2443   { EP_CAN_SMASH_PLAYER,                "player"                        },
2444 #if 0
2445   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2446 #endif
2447   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2448
2449   { -1,                                 NULL                            }
2450 };
2451
2452 static struct ValueTextInfo options_slippery_type[] =
2453 {
2454   { SLIPPERY_ANY_RANDOM,                "random"                        },
2455   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2456   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2457   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2458   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2459
2460   { -1,                                 NULL                            }
2461 };
2462
2463 static struct ValueTextInfo options_deadliness[] =
2464 {
2465   { EP_DONT_RUN_INTO,                   "running into"                  },
2466   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2467   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2468   { EP_DONT_TOUCH,                      "touching"                      },
2469
2470   { -1,                                 NULL                            }
2471 };
2472
2473 static struct ValueTextInfo options_explosion_type[] =
2474 {
2475   { EXPLODES_3X3,                       "3x3"                           },
2476   { EXPLODES_CROSS,                     "3+3"                           },
2477   { EXPLODES_1X1,                       "1x1"                           },
2478
2479   { -1,                                 NULL                            }
2480 };
2481
2482 static struct ValueTextInfo options_time_units[] =
2483 {
2484   { 1,                                  "frames"                        },
2485   { FRAMES_PER_SECOND,                  "seconds"                       },
2486
2487   { -1,                                 NULL                            }
2488 };
2489
2490 static struct ValueTextInfo options_change_direct_action[] =
2491 {
2492   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2493   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2494   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2495   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2496   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2497   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2498   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2499   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2500   { CE_SWITCHED,                        "switched"                      },
2501   { CE_HITTING_SOMETHING,               "hitting something"             },
2502   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2503 #if 0
2504   { CE_BLOCKED,                         "blocked"                       },
2505 #endif
2506   { CE_IMPACT,                          "impact (on something)"         },
2507   { CE_SMASHED,                         "smashed (from above)"          },
2508 #if 0
2509   { CE_VALUE_CHANGES,                   "CE value changes"              },
2510   { CE_SCORE_CHANGES,                   "CE score changes"              },
2511 #endif
2512   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2513   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2514   { CE_UNDEFINED,                       " "                             },
2515   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2516   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2517   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2518   { CE_UNDEFINED,                       " "                             },
2519   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2520   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2521
2522   { -1,                                 NULL                            }
2523 };
2524
2525 static struct ValueTextInfo options_change_other_action[] =
2526 {
2527   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2528   { CE_PLAYER_PRESSES_X,                "player presses"                },
2529   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2530   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2531   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2532   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2533   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2534   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2535   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2536   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2537   { CE_TOUCHING_X,                      "touching"                      },
2538   { CE_HITTING_X,                       "hitting"                       },
2539   { CE_DIGGING_X,                       "digging"                       },
2540   { CE_HIT_BY_X,                        "hit by"                        },
2541   { CE_SWITCH_OF_X,                     "switch of"                     },
2542   { CE_CHANGE_OF_X,                     "change by page of"             },
2543   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2544   { CE_MOVE_OF_X,                       "move of"                       },
2545   { CE_CREATION_OF_X,                   "creation of"                   },
2546   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2547   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2548   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2549   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2550   { CE_UNDEFINED,                       " "                             },
2551   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2552   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2553   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2554   { CE_UNDEFINED,                       " "                             },
2555   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2556   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2557   { CE_NEXT_TO_X,                       "next to"                       },
2558
2559   { -1,                                 NULL                            }
2560 };
2561
2562 static struct ValueTextInfo options_change_trigger_side[] =
2563 {
2564   { CH_SIDE_LEFT,                       "left"                          },
2565   { CH_SIDE_RIGHT,                      "right"                         },
2566   { CH_SIDE_TOP,                        "top"                           },
2567   { CH_SIDE_BOTTOM,                     "bottom"                        },
2568   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2569   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2570   { CH_SIDE_ANY,                        "any"                           },
2571
2572   { -1,                                 NULL                            }
2573 };
2574
2575 static struct ValueTextInfo options_change_trigger_player[] =
2576 {
2577   { CH_PLAYER_1,                        "1"                             },
2578   { CH_PLAYER_2,                        "2"                             },
2579   { CH_PLAYER_3,                        "3"                             },
2580   { CH_PLAYER_4,                        "4"                             },
2581   { CH_PLAYER_ANY,                      "any"                           },
2582
2583   { -1,                                 NULL                            }
2584 };
2585
2586 static struct ValueTextInfo options_change_trigger_page[] =
2587 {
2588   { (1u << 0),                          "1"                             },
2589   { (1u << 1),                          "2"                             },
2590   { (1u << 2),                          "3"                             },
2591   { (1u << 3),                          "4"                             },
2592   { (1u << 4),                          "5"                             },
2593   { (1u << 5),                          "6"                             },
2594   { (1u << 6),                          "7"                             },
2595   { (1u << 7),                          "8"                             },
2596   { (1u << 8),                          "9"                             },
2597   { (1u << 9),                          "10"                            },
2598   { (1u << 10),                         "11"                            },
2599   { (1u << 11),                         "12"                            },
2600   { (1u << 12),                         "13"                            },
2601   { (1u << 13),                         "14"                            },
2602   { (1u << 14),                         "15"                            },
2603   { (1u << 15),                         "16"                            },
2604   { (1u << 16),                         "17"                            },
2605   { (1u << 17),                         "18"                            },
2606   { (1u << 18),                         "19"                            },
2607   { (1u << 19),                         "20"                            },
2608   { (1u << 20),                         "21"                            },
2609   { (1u << 21),                         "22"                            },
2610   { (1u << 22),                         "23"                            },
2611   { (1u << 23),                         "24"                            },
2612   { (1u << 24),                         "25"                            },
2613   { (1u << 25),                         "26"                            },
2614   { (1u << 26),                         "27"                            },
2615   { (1u << 27),                         "28"                            },
2616   { (1u << 28),                         "29"                            },
2617   { (1u << 29),                         "30"                            },
2618   { (1u << 30),                         "31"                            },
2619   { (1u << 31),                         "32"                            },
2620   { CH_PAGE_ANY,                        "any"                           },
2621
2622   { -1,                                 NULL                            }
2623 };
2624
2625 static struct ValueTextInfo options_change_replace_when[] =
2626 {
2627   { CP_WHEN_EMPTY,                      "empty"                         },
2628   { CP_WHEN_WALKABLE,                   "walkable"                      },
2629   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2630   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2631   { CP_WHEN_REMOVABLE,                  "removable"                     },
2632   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2633
2634   { -1,                                 NULL                            }
2635 };
2636
2637 static struct ValueTextInfo options_action_type[] =
2638 {
2639   { CA_NO_ACTION,                       "no action"                     },
2640   { CA_UNDEFINED,                       " "                             },
2641   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2642   { CA_RESTART_LEVEL,                   "restart level"                 },
2643   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2644   { CA_SET_LEVEL_TIME,                  "set time"                      },
2645   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2646   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2647   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2648   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2649   { CA_UNDEFINED,                       " "                             },
2650   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2651   { CA_MOVE_PLAYER,                     "move player"                   },
2652   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2653   { CA_EXIT_PLAYER,                     "exit player"                   },
2654   { CA_KILL_PLAYER,                     "kill player"                   },
2655   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2656   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2657   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2658   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2659   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2660   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2661   { CA_UNDEFINED,                       " "                             },
2662   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2663   { CA_SET_CE_VALUE,                    "set CE value"                  },
2664   { CA_SET_CE_SCORE,                    "set CE score"                  },
2665   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2666   { CA_UNDEFINED,                       " "                             },
2667   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2668   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2669
2670   { -1,                                 NULL                            }
2671 };
2672
2673 static struct ValueTextInfo options_action_mode_none[] =
2674 {
2675   { CA_MODE_UNDEFINED,                  " "                             },
2676
2677   { -1,                                 NULL                            }
2678 };
2679
2680 static struct ValueTextInfo options_action_mode_assign[] =
2681 {
2682   { CA_MODE_SET,                        "="                             },
2683
2684   { -1,                                 NULL                            }
2685 };
2686
2687 static struct ValueTextInfo options_action_mode_add_remove[] =
2688 {
2689   { CA_MODE_ADD,                        "+"                             },
2690   { CA_MODE_SUBTRACT,                   "-"                             },
2691
2692   { -1,                                 NULL                            }
2693 };
2694
2695 static struct ValueTextInfo options_action_mode_calculate[] =
2696 {
2697   { CA_MODE_SET,                        "="                             },
2698   { CA_MODE_ADD,                        "+"                             },
2699   { CA_MODE_SUBTRACT,                   "-"                             },
2700   { CA_MODE_MULTIPLY,                   "*"                             },
2701   { CA_MODE_DIVIDE,                     "/"                             },
2702   { CA_MODE_MODULO,                     "%"                             },
2703
2704   { -1,                                 NULL                            }
2705 };
2706
2707 static struct ValueTextInfo options_action_arg_none[] =
2708 {
2709   { CA_ARG_UNDEFINED,                   "         "                     },
2710
2711   { -1,                                 NULL                            }
2712 };
2713
2714 static struct ValueTextInfo options_action_arg_player[] =
2715 {
2716   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2717   { CA_ARG_PLAYER_1,                    "1"                             },
2718   { CA_ARG_PLAYER_2,                    "2"                             },
2719   { CA_ARG_PLAYER_3,                    "3"                             },
2720   { CA_ARG_PLAYER_4,                    "4"                             },
2721   { CA_ARG_PLAYER_ANY,                  "any"                           },
2722   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2723   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2724
2725   { -1,                                 NULL                            }
2726 };
2727
2728 static struct ValueTextInfo options_action_arg_number[] =
2729 {
2730   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2731   { CA_ARG_0,                           "0"                             },
2732   { CA_ARG_1,                           "1"                             },
2733   { CA_ARG_2,                           "2"                             },
2734   { CA_ARG_3,                           "3"                             },
2735   { CA_ARG_4,                           "4"                             },
2736   { CA_ARG_5,                           "5"                             },
2737   { CA_ARG_10,                          "10"                            },
2738   { CA_ARG_100,                         "100"                           },
2739   { CA_ARG_1000,                        "1000"                          },
2740   { CA_ARG_UNDEFINED,                   " "                             },
2741   { CA_ARG_NUMBER_MIN,                  "min"                           },
2742   { CA_ARG_NUMBER_MAX,                  "max"                           },
2743   { CA_ARG_UNDEFINED,                   " "                             },
2744   { CA_ARG_NUMBER_RESET,                "reset"                         },
2745   { CA_ARG_UNDEFINED,                   " "                             },
2746   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2747   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2748   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2749   { CA_ARG_UNDEFINED,                   " "                             },
2750   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2751   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2752   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2753   { CA_ARG_UNDEFINED,                   " "                             },
2754   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2755   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2756   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2757   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2758   { CA_ARG_UNDEFINED,                   " "                             },
2759   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2760   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2761   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2762   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2763
2764   { -1,                                 NULL                            }
2765 };
2766
2767 static struct ValueTextInfo options_action_arg_value[] =
2768 {
2769   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2770   { CA_ARG_0,                           "0"                             },
2771   { CA_ARG_1,                           "1"                             },
2772   { CA_ARG_2,                           "2"                             },
2773   { CA_ARG_3,                           "3"                             },
2774   { CA_ARG_4,                           "4"                             },
2775   { CA_ARG_5,                           "5"                             },
2776   { CA_ARG_10,                          "10"                            },
2777   { CA_ARG_100,                         "100"                           },
2778   { CA_ARG_1000,                        "1000"                          },
2779   { CA_ARG_UNDEFINED,                   " "                             },
2780   { CA_ARG_NUMBER_MIN,                  "min"                           },
2781   { CA_ARG_NUMBER_MAX,                  "max"                           },
2782   { CA_ARG_UNDEFINED,                   " "                             },
2783   { CA_ARG_NUMBER_RESET,                "reset"                         },
2784   { CA_ARG_UNDEFINED,                   " "                             },
2785   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2786   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2787   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2788   { CA_ARG_UNDEFINED,                   " "                             },
2789   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2790   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2791   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2792   { CA_ARG_UNDEFINED,                   " "                             },
2793   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2794   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2795   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2796   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2797   { CA_ARG_UNDEFINED,                   " "                             },
2798   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2799   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2800   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2801   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2802   { CA_ARG_UNDEFINED,                   " "                             },
2803   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2804   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2805   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2806   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2807
2808   { -1,                                 NULL                            }
2809 };
2810
2811 static struct ValueTextInfo options_action_arg_envelope[] =
2812 {
2813   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2814   { CA_ARG_1,                           "1"                             },
2815   { CA_ARG_2,                           "2"                             },
2816   { CA_ARG_3,                           "3"                             },
2817   { CA_ARG_4,                           "4"                             },
2818   { CA_ARG_UNDEFINED,                   " "                             },
2819   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2820   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2821   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2822   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2823
2824   { -1,                                 NULL                            }
2825 };
2826
2827 static struct ValueTextInfo options_action_arg_key[] =
2828 {
2829   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2830   { CA_ARG_1,                           "1"                             },
2831   { CA_ARG_2,                           "2"                             },
2832   { CA_ARG_3,                           "3"                             },
2833   { CA_ARG_4,                           "4"                             },
2834   { CA_ARG_5,                           "5"                             },
2835   { CA_ARG_6,                           "6"                             },
2836   { CA_ARG_7,                           "7"                             },
2837   { CA_ARG_8,                           "8"                             },
2838   { CA_ARG_UNDEFINED,                   " "                             },
2839   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2840   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2841   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2842   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2843
2844   { -1,                                 NULL                            }
2845 };
2846
2847 static struct ValueTextInfo options_action_arg_speed[] =
2848 {
2849   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2850   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2851   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2852   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2853   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2854   { CA_ARG_SPEED_FAST,                  "fast"                          },
2855   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2856   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2857   { CA_ARG_UNDEFINED,                   " "                             },
2858   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2859   { CA_ARG_SPEED_FASTER,                "faster"                        },
2860   { CA_ARG_UNDEFINED,                   " "                             },
2861   { CA_ARG_SPEED_RESET,                 "reset"                         },
2862
2863   { -1,                                 NULL                            }
2864 };
2865
2866 static struct ValueTextInfo options_action_arg_shield[] =
2867 {
2868   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2869   { CA_ARG_SHIELD_OFF,                  "off"                           },
2870   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2871   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2872
2873   { -1,                                 NULL                            }
2874 };
2875
2876 static struct ValueTextInfo options_action_arg_artwork[] =
2877 {
2878   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2879   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2880   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2881   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2882   { CA_ARG_UNDEFINED,                   " "                             },
2883   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2884
2885   { -1,                                 NULL                            }
2886 };
2887
2888 static struct ValueTextInfo options_action_arg_gravity[] =
2889 {
2890   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2891   { CA_ARG_GRAVITY_ON,                  "on"                            },
2892   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2893   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2894
2895   { -1,                                 NULL                            }
2896 };
2897
2898 static struct ValueTextInfo options_action_arg_direction[] =
2899 {
2900   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2901   { CA_ARG_DIRECTION_NONE,              "none"                          },
2902   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2903   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2904   { CA_ARG_DIRECTION_UP,                "up"                            },
2905   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2906   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2907   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2908
2909   { -1,                                 NULL                            }
2910 };
2911
2912 static struct ValueTextInfo options_action_arg_scan_mode[] =
2913 {
2914   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2915   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2916   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2917
2918   { -1,                                 NULL                            }
2919 };
2920
2921 static struct ValueTextInfo options_action_arg_inventory[] =
2922 {
2923   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2924   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2925   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2926   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2927   { CA_ARG_UNDEFINED,                   " "                             },
2928   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2929   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2930   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2931   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2932   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2933   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2934   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2935   { CA_ARG_UNDEFINED,                   " "                             },
2936   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2937
2938   { -1,                                 NULL                            }
2939 };
2940
2941 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2942 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2943 {
2944   { -1,                                 NULL                            }
2945 };
2946
2947 static struct ValueTextInfo options_group_choice_mode[] =
2948 {
2949   { ANIM_RANDOM,                        "random"                        },
2950   { ANIM_LOOP,                          "loop"                          },
2951   { ANIM_LINEAR,                        "linear"                        },
2952   { ANIM_PINGPONG,                      "pingpong"                      },
2953   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2954   { ANIM_LEVEL_NR,                      "level number"                  },
2955
2956   { -1,                                 NULL                            }
2957 };
2958
2959 static struct ValueTextInfo options_bd_scheduling_type[] =
2960 {
2961   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2962   { GD_SCHEDULING_BD1,                  "BD1"                           },
2963   { GD_SCHEDULING_BD2,                  "BD2"                           },
2964   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2965   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2966   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2967   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2968
2969   { -1,                                   NULL                          }
2970 };
2971
2972 static struct ValueTextInfo options_bd_color_type[] =
2973 {
2974   { GD_COLOR_TYPE_RGB,                  "RGB colors"                    },
2975   { GD_COLOR_TYPE_C64,                  "C64 colors"                    },
2976   { GD_COLOR_TYPE_C64DTV,               "C64DTV colors"                 },
2977   { GD_COLOR_TYPE_ATARI,                "Atari colors"                  },
2978
2979   { -1,                                   NULL                          }
2980 };
2981
2982 static struct ValueTextInfo options_bd_color_c64_name[] =
2983 {
2984   { GD_COLOR_INDEX_BLACK,               "Black"                         },
2985   { GD_COLOR_INDEX_WHITE,               "White"                         },
2986   { GD_COLOR_INDEX_RED,                 "Red"                           },
2987   { GD_COLOR_INDEX_CYAN,                "Cyan"                          },
2988   { GD_COLOR_INDEX_PURPLE,              "Purple"                        },
2989   { GD_COLOR_INDEX_GREEN,               "Green"                         },
2990   { GD_COLOR_INDEX_BLUE,                "Blue"                          },
2991   { GD_COLOR_INDEX_YELLOW,              "Yellow"                        },
2992   { GD_COLOR_INDEX_ORANGE,              "Orange"                        },
2993   { GD_COLOR_INDEX_BROWN,               "Brown"                         },
2994   { GD_COLOR_INDEX_LIGHTRED,            "Light red"                     },
2995   { GD_COLOR_INDEX_GRAY1,               "Dark gray"                     },
2996   { GD_COLOR_INDEX_GRAY2,               "Gray"                          },
2997   { GD_COLOR_INDEX_LIGHTGREEN,          "Light green"                   },
2998   { GD_COLOR_INDEX_LIGHTBLUE,           "Light blue"                    },
2999   { GD_COLOR_INDEX_GRAY3,               "Light gray"                    },
3000
3001   { -1,                                   NULL                          }
3002 };
3003
3004 static struct ValueTextInfo *action_arg_modes[] =
3005 {
3006   options_action_mode_none,
3007   options_action_mode_assign,
3008   options_action_mode_add_remove,
3009   options_action_mode_calculate,
3010 };
3011
3012 static struct
3013 {
3014   int value;
3015   int mode;
3016   struct ValueTextInfo *options;
3017 }
3018 action_arg_options[] =
3019 {
3020   { CA_NO_ACTION,               0,      options_action_arg_none,        },
3021   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
3022   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
3023   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
3024   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
3025   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
3026   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
3027   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
3028   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
3029   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
3030   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
3031   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
3032   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
3033   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
3034   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
3035   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
3036   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
3037   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
3038   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
3039   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
3040   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
3041   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
3042
3043   { -1,                         FALSE,  NULL                            }
3044 };
3045
3046 static struct
3047 {
3048   int gadget_type_id;
3049   int x, y;
3050   int gadget_id;
3051   int gadget_id_align;
3052   int size;     // char size of selectbox or '-1' (dynamically determined)
3053   struct ValueTextInfo *options;
3054   int *value;
3055   char *text_above, *text_left, *text_right, *infotext;
3056 } selectbox_info[ED_NUM_SELECTBOX] =
3057 {
3058   // ---------- level and editor settings -------------------------------------
3059
3060   {
3061     ED_SELECTBOX_ID_TIME_OR_STEPS,
3062     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
3063     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
3064     -1,
3065     options_time_or_steps,
3066     &level.use_step_counter,
3067     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
3068   },
3069   {
3070     ED_SELECTBOX_ID_TIME_SCORE_BASE,
3071     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
3072     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
3073     -1,
3074     options_time_score_base,
3075     &level.time_score_base,
3076     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
3077   },
3078   {
3079     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
3080     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
3081     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
3082     -1,
3083     options_game_engine_type,
3084     &level.game_engine_type,
3085     NULL, "Game engine:", NULL,                 "Select game engine"
3086   },
3087   {
3088     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
3089     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3090     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
3091     -1,
3092     options_levelset_save_mode,
3093     &levelset_save_mode,
3094     "Action:", NULL, NULL,                      "Select action when saving level set"
3095   },
3096
3097   // ---------- engine settings: config ---------------------------------------
3098
3099   {
3100     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
3101     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
3102     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
3103     -1,
3104     options_bd_scheduling_type,
3105     &level.bd_scheduling_type,
3106     NULL, "Scheduling type:", NULL,             "Select level timing"
3107   },
3108
3109   // ---------- engine settings: colors ---------------------------------------
3110
3111   {
3112     ED_SELECTBOX_ID_BD_COLOR_TYPE,
3113     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3114     GADGET_ID_BD_COLOR_TYPE,                    GADGET_ID_NONE,
3115     -1,
3116     options_bd_color_type,
3117     &level.bd_color_type,
3118     "Boulder Dash level colors:",
3119     "Color palette type:", NULL,                "Select color palette type"
3120   },
3121   {
3122     ED_SELECTBOX_ID_BD_COLOR_C64_B,
3123     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
3124     GADGET_ID_BD_COLOR_C64_B,                   GADGET_ID_NONE,
3125     -1,
3126     options_bd_color_c64_name,
3127     &bd_color_c64[0],
3128     NULL, "Border color:      ", NULL,          "Select border color (not used)"
3129   },
3130   {
3131     ED_SELECTBOX_ID_BD_COLOR_C64_0,
3132     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3133     GADGET_ID_BD_COLOR_C64_0,                   GADGET_ID_NONE,
3134     -1,
3135     options_bd_color_c64_name,
3136     &bd_color_c64[1],
3137     NULL, "Background color:  ", NULL,          "Select background color (C64 graphics)"
3138   },
3139   {
3140     ED_SELECTBOX_ID_BD_COLOR_C64_1,
3141     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
3142     GADGET_ID_BD_COLOR_C64_1,                   GADGET_ID_NONE,
3143     -1,
3144     options_bd_color_c64_name,
3145     &bd_color_c64[2],
3146     NULL, "Sand color:        ", NULL,          "Select sand color (C64 graphics)"
3147   },
3148   {
3149     ED_SELECTBOX_ID_BD_COLOR_C64_2,
3150     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
3151     GADGET_ID_BD_COLOR_C64_2,                   GADGET_ID_NONE,
3152     -1,
3153     options_bd_color_c64_name,
3154     &bd_color_c64[3],
3155     NULL, "Steel wall color:  ", NULL,          "Select steel wall color (C64 graphics)"
3156   },
3157   {
3158     ED_SELECTBOX_ID_BD_COLOR_C64_3,
3159     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(5),
3160     GADGET_ID_BD_COLOR_C64_3,                   GADGET_ID_NONE,
3161     -1,
3162     options_bd_color_c64_name,
3163     &bd_color_c64[4],
3164     NULL, "Wall color:        ", NULL,          "Select wall color (C64 graphics)"
3165   },
3166   {
3167     ED_SELECTBOX_ID_BD_COLOR_C64_4,
3168     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3169     GADGET_ID_BD_COLOR_C64_4,                   GADGET_ID_NONE,
3170     -1,
3171     options_bd_color_c64_name,
3172     &bd_color_c64[5],
3173     NULL, "Amoeba color:      ", NULL,          "Select amoeba color (C64 graphics)"
3174   },
3175   {
3176     ED_SELECTBOX_ID_BD_COLOR_C64_5,
3177     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3178     GADGET_ID_BD_COLOR_C64_5,                   GADGET_ID_NONE,
3179     -1,
3180     options_bd_color_c64_name,
3181     &bd_color_c64[6],
3182     NULL, "Slime color:       ", NULL,          "Select slime color (C64 graphics)"
3183   },
3184
3185   // ---------- element settings: configure (several elements) ----------------
3186
3187   {
3188     ED_SELECTBOX_ID_WIND_DIRECTION,
3189     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3190     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
3191     -1,
3192     options_wind_direction,
3193     &level.wind_direction_initial,
3194     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
3195   },
3196   {
3197     ED_SELECTBOX_ID_PLAYER_SPEED,
3198     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
3199     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
3200     -1,
3201     options_player_speed,
3202     &level.initial_player_stepsize[0],
3203     NULL, "Initial player speed:", NULL,        "Select initial player speed"
3204   },
3205   {
3206     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
3207     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3208     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
3209     -1,
3210     options_bd_gravity_direction,
3211     &level.bd_gravity_direction,
3212     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
3213   },
3214   {
3215     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
3216     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3217     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
3218     -1,
3219     options_group_choice_mode,
3220     &level.mm_ball_choice_mode,
3221     NULL, "Choice type:", NULL,                 "Select type of content choice"
3222   },
3223
3224   // ---------- element settings: configure 1 (custom elements) ---------------
3225
3226   {
3227     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
3228     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3229     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
3230     -1,
3231     options_access_type,
3232     &custom_element.access_type,
3233     NULL, NULL, NULL,                           "Select type of access to this field"
3234   },
3235   {
3236     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
3237     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3238     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
3239     -1,
3240     options_access_layer,
3241     &custom_element.access_layer,
3242     NULL, NULL, NULL,                           "Select layer of access for this field"
3243   },
3244   {
3245     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
3246     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3247     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
3248     -1,
3249     options_access_protected,
3250     &custom_element.access_protected,
3251     NULL, NULL, NULL,                           "Select protected access for this field"
3252   },
3253   {
3254     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
3255     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3256     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
3257     -1,
3258     options_access_direction,
3259     &custom_element.access_direction,
3260     NULL, "from", NULL,                         "Select access direction for this field"
3261   },
3262   {
3263     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
3264     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3265     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
3266     -1,
3267     options_walk_to_action,
3268     &custom_element.walk_to_action,
3269     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
3270   },
3271
3272   // ---------- element settings: configure 2 (custom elements) ---------------
3273
3274   {
3275     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
3276     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
3277     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
3278     -1,
3279     options_move_pattern,
3280     &custom_element.move_pattern,
3281     NULL, "Can move", NULL,                     "Select element move pattern"
3282   },
3283   {
3284     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
3285     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3286     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
3287     -1,
3288     options_move_direction,
3289     &custom_element.move_direction_initial,
3290     NULL, "Starts moving", NULL,                "Select initial element move direction"
3291   },
3292   {
3293     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
3294     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3295     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
3296     -1,
3297     options_move_stepsize,
3298     &custom_element.move_stepsize,
3299     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
3300   },
3301   {
3302     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
3303     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3304     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
3305     -1,
3306     options_move_leave_type,
3307     &custom_element.move_leave_type,
3308     // left text with leading spaces to place gadget next to "can dig" gadget
3309     // (needed because drawing area gadgets created after selectbox gadgets)
3310     // NULL, "can dig:    can", ":",            "leave behind or change element"
3311     NULL, "            Can", ":",               "Select leave behind or change element"
3312   },
3313   {
3314     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
3315     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
3316     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
3317     -1,
3318     options_smash_targets,
3319     &custom_element.smash_targets,
3320     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
3321   },
3322   {
3323     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
3324     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
3325     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
3326     -1,
3327     options_slippery_type,
3328     &custom_element.slippery_type,
3329     NULL, "Slippery", NULL,                     "Select where other elements fall down"
3330   },
3331   {
3332     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
3333     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
3334     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
3335     -1,
3336     options_deadliness,
3337     &custom_element.deadliness,
3338     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3339   },
3340   {
3341     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3342     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3343     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3344     -1,
3345     options_explosion_type,
3346     &custom_element.explosion_type,
3347     NULL, "Can explode", NULL,                  "Select explosion type"
3348   },
3349
3350   // ---------- element settings: advanced (custom elements) ------------------
3351
3352   {
3353     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3354     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3355     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3356     -1,
3357     options_time_units,
3358     &custom_element_change.delay_frames,
3359     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3360   },
3361   {
3362     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3363     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3364     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3365     -1,
3366     options_change_direct_action,
3367     &custom_element_change.direct_action,
3368     NULL, NULL, NULL,                           "Select type of direct action"
3369   },
3370   {
3371     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3372     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3373     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3374     -1,
3375     options_change_other_action,
3376     &custom_element_change.other_action,
3377     NULL, NULL, "element:",                     "Select type of other element action"
3378   },
3379   {
3380     ED_SELECTBOX_ID_CHANGE_SIDE,
3381     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3382     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3383     -1,
3384     options_change_trigger_side,
3385     &custom_element_change.trigger_side,
3386     NULL, "at", "side",                         "Select element side triggering change"
3387   },
3388   {
3389     ED_SELECTBOX_ID_CHANGE_PLAYER,
3390     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3391     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3392     -1,
3393     options_change_trigger_player,
3394     &custom_element_change.trigger_player,
3395     NULL, "Player:", " ",                       "Select player that causes change"
3396   },
3397   {
3398     ED_SELECTBOX_ID_CHANGE_PAGE,
3399     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3400     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3401     -1,
3402     options_change_trigger_page,
3403     &custom_element_change.trigger_page,
3404     NULL, "Page:", NULL,                        "Select change page that causes change"
3405   },
3406   {
3407     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3408     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3409     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3410     -1,
3411     options_change_replace_when,
3412     &custom_element_change.replace_when,
3413     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3414   },
3415   {
3416     ED_SELECTBOX_ID_ACTION_TYPE,
3417     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3418     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3419     15,
3420     options_action_type,
3421     &custom_element_change.action_type,
3422     NULL, NULL, NULL,                           "Select action on specified condition"
3423   },
3424   {
3425     ED_SELECTBOX_ID_ACTION_MODE,
3426     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3427     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3428     -1,
3429     options_action_mode_none,
3430     &custom_element_change.action_mode,
3431     NULL, NULL, NULL,                           "Select action operator"
3432   },
3433   {
3434     ED_SELECTBOX_ID_ACTION_ARG,
3435     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3436     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3437     -1,
3438     options_action_arg_none,
3439     &custom_element_change.action_arg,
3440     NULL, NULL, NULL,                           "Select action parameter"
3441   },
3442   {
3443     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3444     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3445     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3446     3,
3447     options_change_page,
3448     &custom_element.current_change_page,
3449     NULL, NULL, NULL,                           "Select element change page"
3450   },
3451
3452   // ---------- element settings: configure (group elements) ------------------
3453
3454   {
3455     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3456     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3457     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3458     -1,
3459     options_group_choice_mode,
3460     &group_element_info.choice_mode,
3461     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3462   },
3463 };
3464
3465 static struct
3466 {
3467   int gadget_type_id;
3468   int x, y;
3469   int gadget_id;
3470   int gadget_id_align;
3471   int size;
3472   char *text;
3473   char *text_above, *text_left, *text_right, *infotext;
3474 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3475 {
3476   // ---------- level and editor settings (tabs) ------------------------------
3477
3478   {
3479     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3480     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3481     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3482     8,                                          "Level",
3483     NULL, NULL, NULL,                           "Configure level settings"
3484   },
3485   {
3486     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3487     -1,                                         -1,
3488     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3489     8,                                          "Levelset",
3490     NULL, NULL, NULL,                           "Update this or create new level set"
3491   },
3492   {
3493     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3494     -1,                                         -1,
3495     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3496     8,                                          "Editor",
3497     NULL, NULL, NULL,                           "Configure editor settings"
3498   },
3499   {
3500     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3501     -1,                                         -1,
3502     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3503     8,                                          "Engine",
3504     NULL, NULL, NULL,                           "Configure game engine settings"
3505   },
3506
3507   // ---------- engine settings (tabs) ----------------------------------------
3508
3509   {
3510     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
3511     ED_ENGINE_TABS_XPOS(0),                     ED_ENGINE_TABS_YPOS(0),
3512     GADGET_ID_ENGINECONFIG_CONFIG,              GADGET_ID_NONE,
3513     8,                                          "Config",
3514     NULL, NULL, NULL,                           "Configure game engine settings"
3515   },
3516   {
3517     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
3518     -1,                                         -1,
3519     GADGET_ID_ENGINECONFIG_COLORS,              GADGET_ID_ENGINECONFIG_CONFIG,
3520     8,                                          "Colors",
3521     NULL, NULL, NULL,                           "Configure level colors"
3522   },
3523
3524   // ---------- element settings (tabs) ---------------------------------------
3525
3526   {
3527     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3528     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3529     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3530     8,                                          "Info",
3531     NULL, NULL, NULL,                           "Show information about element"
3532   },
3533   {
3534     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3535     -1,                                         -1,
3536     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3537     8,                                          "Config",
3538     NULL, NULL, NULL,                           "Configure element properties"
3539   },
3540   {
3541     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3542     -1,                                         -1,
3543     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3544     8,                                          "Config 1",
3545     NULL, NULL, NULL,                           "Configure element properties, part 1"
3546   },
3547   {
3548     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3549     -1,                                         -1,
3550     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3551     8,                                          "Config 2",
3552     NULL, NULL, NULL,                           "Configure element properties, part 2"
3553   },
3554   {
3555     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3556     -1,                                         -1,
3557     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3558     8,                                          "Change",
3559     NULL, NULL, NULL,                           "Configure custom element change pages"
3560   },
3561
3562   // ---------- level and editor settings (buttons) ---------------------------
3563
3564   {
3565     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3566     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3567     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3568     -1,                                         "Save",
3569     NULL, NULL, NULL,                           "Update or create level set"
3570   },
3571   {
3572     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3573     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3574     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3575     -1,                                         "Save",
3576     NULL, NULL,                                 "this level as level template",
3577     "Save current settings as new template"
3578   },
3579
3580   // ---------- element settings (buttons) ------------------------------------
3581
3582   {
3583     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3584     -1,                                         -1,
3585     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3586     -1,                                         "Save",
3587     NULL, " ",                                  "As Template",
3588     "Save current settings as new template"
3589   },
3590   {
3591     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3592     -1,                                         -1,
3593     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3594     -1,                                         "New",
3595     NULL, NULL, NULL,                           "Add new change page"
3596   },
3597   {
3598     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3599     -1,                                         -1,
3600     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3601     -1,                                         "Delete",
3602     NULL, NULL, NULL,                           "Delete current change page"
3603   },
3604
3605   // ---------- engine settings (buttons) -------------------------------------
3606
3607   {
3608     ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS,
3609     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3610     GADGET_ID_BD_SET_RANDOM_COLORS,             GADGET_ID_NONE,
3611     -1,                                         "Set random colors",
3612     NULL, NULL, NULL,                           "Create and set random level colors"
3613   },
3614 };
3615
3616 static struct
3617 {
3618   int gadget_type_id;
3619   int graphic;
3620   int x, y;
3621   int gadget_id;
3622   int gadget_id_align;
3623   char *text_left, *text_right, *infotext;
3624 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3625 {
3626   {
3627     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3628     IMG_EDITOR_COUNTER_DOWN,
3629     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3630     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3631     NULL, NULL,                                 "Select previous change page"
3632   },
3633   {
3634     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3635     IMG_EDITOR_COUNTER_UP,
3636     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3637     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3638     NULL, "Change page",                        "Select next change page"
3639   },
3640   {
3641     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3642     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3643     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3644     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3645     " ", NULL,                                  "Copy settings from this change page"
3646   },
3647   {
3648     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3649     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3650     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3651     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3652     NULL, NULL,                                 "Paste settings to this change page"
3653   },
3654 };
3655
3656 static struct
3657 {
3658   int x, y;
3659 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3660
3661 static struct
3662 {
3663   int gadget_type_id;
3664   int graphic;
3665   int gadget_id;
3666   char *infotext;
3667 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3668 {
3669   {
3670     ED_SCROLLBUTTON_ID_AREA_UP,
3671     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3672     GADGET_ID_SCROLL_UP,
3673     "Scroll level editing area up"
3674   },
3675   {
3676     ED_SCROLLBUTTON_ID_AREA_DOWN,
3677     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3678     GADGET_ID_SCROLL_DOWN,
3679     "Scroll level editing area down"
3680   },
3681   {
3682     ED_SCROLLBUTTON_ID_AREA_LEFT,
3683     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3684     GADGET_ID_SCROLL_LEFT,
3685     "Scroll level editing area left"
3686   },
3687   {
3688     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3689     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3690     GADGET_ID_SCROLL_RIGHT,
3691     "Scroll level editing area right"
3692   },
3693   {
3694     ED_SCROLLBUTTON_ID_LIST_UP,
3695     IMG_EDITOR_PALETTE_SCROLL_UP,
3696     GADGET_ID_SCROLL_LIST_UP,
3697     "Scroll element list up ('Page Up')"
3698   },
3699   {
3700     ED_SCROLLBUTTON_ID_LIST_DOWN,
3701     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3702     GADGET_ID_SCROLL_LIST_DOWN,
3703     "Scroll element list down ('Page Down')"
3704   },
3705 };
3706
3707 static struct
3708 {
3709   int x, y;
3710   int width, height;
3711   int wheel_x, wheel_y;
3712   int wheel_width, wheel_height;
3713 } scrollbar_pos[ED_NUM_SCROLLBARS];
3714
3715 static struct
3716 {
3717   int gadget_type_id;
3718   int graphic;
3719   int type;
3720   int gadget_id;
3721   char *infotext;
3722 } scrollbar_info[ED_NUM_SCROLLBARS] =
3723 {
3724   {
3725     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3726     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3727     GD_TYPE_SCROLLBAR_HORIZONTAL,
3728     GADGET_ID_SCROLL_HORIZONTAL,
3729     "Scroll level editing area horizontally"
3730   },
3731   {
3732     ED_SCROLLBAR_ID_AREA_VERTICAL,
3733     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3734     GD_TYPE_SCROLLBAR_VERTICAL,
3735     GADGET_ID_SCROLL_VERTICAL,
3736     "Scroll level editing area vertically"
3737   },
3738   {
3739     ED_SCROLLBAR_ID_LIST_VERTICAL,
3740     IMG_EDITOR_PALETTE_SCROLLBAR,
3741     GD_TYPE_SCROLLBAR_VERTICAL,
3742     GADGET_ID_SCROLL_LIST_VERTICAL,
3743     "Scroll element list vertically"
3744   }
3745 };
3746
3747
3748 static struct
3749 {
3750   int gadget_type_id;
3751   int x, y;
3752   int gadget_id;
3753   int gadget_id_align;
3754   int radio_button_nr;
3755   int *value;
3756   int checked_value;
3757   char *text_left, *text_right, *infotext;
3758 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3759 {
3760   {
3761     ED_RADIOBUTTON_ID_PERCENTAGE,
3762     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3763     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3764     RADIO_NR_RANDOM_ELEMENTS,
3765     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3766     " ", "percentage",                          "Use percentage for random elements"
3767   },
3768   {
3769     ED_RADIOBUTTON_ID_QUANTITY,
3770     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3771     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3772     RADIO_NR_RANDOM_ELEMENTS,
3773     &random_placement_method,                   RANDOM_USE_QUANTITY,
3774     " ", "quantity",                            "Use quantity for random elements"
3775   }
3776 };
3777
3778 static struct
3779 {
3780   int gadget_type_id;
3781   int x, y;
3782   int gadget_id;
3783   int gadget_id_align;
3784   boolean *value;
3785   char *text_above, *text_left, *text_right, *infotext;
3786 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3787 {
3788   // ---------- level and editor settings -------------------------------------
3789
3790   {
3791     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3792     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3793     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3794     &level.auto_count_gems,
3795     NULL, NULL,
3796     "Automatically count gems needed",          "Set counter to number of gems"
3797   },
3798   {
3799     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3800     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3801     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3802     &level.rate_time_over_score,
3803     NULL, NULL,
3804     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3805   },
3806   {
3807     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3808     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3809     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3810     &levelset_use_levelset_artwork,
3811     NULL, NULL,
3812     "Use current custom artwork",               "Use custom artwork of this level set"
3813   },
3814   {
3815     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3816     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3817     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3818     &levelset_copy_level_template,
3819     NULL, NULL,
3820     "Copy current level template",              "Copy level template of this level set"
3821   },
3822   {
3823     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3824     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3825     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3826     &random_placement_background_restricted,
3827     NULL, NULL,
3828     "Restrict random placement to:",            "Set random placement restriction"
3829   },
3830   {
3831     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3832     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3833     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3834     &setup.editor.use_template_for_new_levels,
3835     "Template for new levels and CE/GE:", NULL,
3836     "Use template for new levels",              "Use template for level properties"
3837   },
3838   {
3839     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3840     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3841     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3842     &level.use_custom_template,
3843     NULL, NULL,
3844     "Use template for custom elements",         "Use template for custom properties"
3845   },
3846   {
3847     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3848     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3849     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3850     &level.bd_intermission,
3851     "Boulder Dash game engine settings:", NULL,
3852     "Intermission",                             "Level is an intermission level"
3853   },
3854   {
3855     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3856     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3857     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3858     &level.bd_pal_timing,
3859     NULL, NULL,
3860     "PAL timing",                               "Use slower timer (like PAL C64)"
3861   },
3862   {
3863     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3864     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3865     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3866     &level.bd_line_shifting_borders,
3867     "Compatibility settings:", NULL,
3868     "Line-shifting borders",                    "Use line-shifting wrap-around"
3869   },
3870   {
3871     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3872     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3873     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3874     &level.bd_scan_first_and_last_row,
3875     NULL, NULL,
3876     "Scan first and last row",                  "Also process top/bottom border rows"
3877   },
3878   {
3879     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3880     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3881     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3882     &level.bd_short_explosions,
3883     NULL, NULL,
3884     "Short explosions",                         "Use four game cycles for explosions"
3885   },
3886
3887   // ---------- element settings: configure (various elements) ----------------
3888
3889   {
3890     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3891     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3892     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3893     &stick_element_properties_window,
3894     NULL, NULL,
3895     "Stick this screen to edit content",        "Stick this screen to edit content"
3896   },
3897   {
3898     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3899     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3900     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3901     &level.em_slippery_gems,
3902     NULL, NULL,
3903     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3904   },
3905   {
3906     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3907     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3908     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3909     &level.em_explodes_by_fire,
3910     NULL, NULL,
3911     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3912   },
3913   {
3914     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3915     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3916     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3917     &level.use_spring_bug,
3918     NULL, NULL,
3919     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3920   },
3921   {
3922     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3923     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3924     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3925     &level.use_time_orb_bug,
3926     NULL, NULL,
3927     "Use time orb bug",                         "Use odd time orb behaviour"
3928   },
3929   {
3930     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3931     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3932     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3933     &level.use_life_bugs,
3934     NULL, NULL,
3935     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3936   },
3937   {
3938     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3939     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3940     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3941     &level.ball_random,
3942     NULL, NULL,
3943     "Create single random element",             "Only create one element from content"
3944   },
3945   {
3946     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3947     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3948     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3949     &level.ball_active_initial,
3950     NULL, NULL,
3951     "Magic ball initially activated",           "Activate magic ball after level start"
3952   },
3953   {
3954     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3955     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3956     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3957     &level.grow_into_diggable,
3958     NULL, NULL,
3959     "Can grow into anything diggable",          "Grow into more than just sand"
3960   },
3961   {
3962     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3963     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3964     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3965     &level.sb_fields_needed,
3966     NULL, NULL,
3967     "All fields need to be filled",             "Require all SB fields to be solved"
3968   },
3969   {
3970     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3971     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3972     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3973     &level.sb_objects_needed,
3974     NULL, NULL,
3975     "All objects need to be placed",            "Require all SB objects to be solved"
3976   },
3977   {
3978     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3979     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3980     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3981     &level.auto_exit_sokoban,
3982     NULL, NULL,
3983     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3984   },
3985   {
3986     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3987     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3988     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3989     &level.solved_by_one_player,
3990     NULL, NULL,
3991     "Only one player must enter exit",          "Level solved by first player in exit"
3992   },
3993   {
3994     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3995     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3996     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3997     &level.finish_dig_collect,
3998     NULL, NULL,
3999     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
4000   },
4001   {
4002     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
4003     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4004     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
4005     &level.keep_walkable_ce,
4006     NULL, NULL,
4007     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
4008   },
4009   {
4010     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
4011     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4012     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
4013     &level.continuous_snapping,
4014     NULL, NULL,
4015     "Continuous snapping",                      "Use snapping without releasing key"
4016   },
4017   {
4018     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
4019     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4020     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
4021     &level.block_snap_field,
4022     NULL, NULL,
4023     "Block snapped field when snapping",        "Use snapping delay to show animation"
4024   },
4025   {
4026     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
4027     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4028     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
4029     &level.block_last_field,
4030     NULL, NULL,
4031     "Block last field when moving",             "Player blocks last field when moving"
4032   },
4033   {
4034     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
4035     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4036     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
4037     &level.sp_block_last_field,
4038     NULL, NULL,
4039     "Block last field when moving",             "Player blocks last field when moving"
4040   },
4041   {
4042     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
4043     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4044     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
4045     &level.instant_relocation,
4046     NULL, NULL,
4047     "No scrolling when relocating",             "Player gets relocated without delay"
4048   },
4049   {
4050     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
4051     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4052     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
4053     &level.shifted_relocation,
4054     NULL, NULL,
4055     "No centering when relocating",             "Level not centered after relocation"
4056   },
4057   {
4058     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
4059     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4060     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
4061     &level.lazy_relocation,
4062     NULL, NULL,
4063     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
4064   },
4065   {
4066     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
4067     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4068     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
4069     &level.use_start_element[0],
4070     NULL, NULL,
4071     "Use level start element:",                "Start level at this element's position"
4072   },
4073   {
4074     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
4075     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4076     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
4077     &level.use_artwork_element[0],
4078     NULL, NULL,
4079     "Use artwork from element:",                "Use player artwork from other element"
4080   },
4081   {
4082     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
4083     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
4084     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
4085     &level.use_explosion_element[0],
4086     NULL, NULL,
4087     "Use explosion from element:",              "Use explosion properties from element"
4088   },
4089   {
4090     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
4091     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4092     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
4093     &level.initial_player_gravity[0],
4094     NULL, NULL,
4095     "Use initial gravity",                      "Set initial player gravity"
4096   },
4097   {
4098     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
4099     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4100     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
4101     &level.use_initial_inventory[0],
4102     NULL, NULL,
4103     "Use initial inventory:",                   "Use collected elements on level start"
4104   },
4105   {
4106     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
4107     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4108     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
4109     &level.can_pass_to_walkable,
4110     NULL, NULL,
4111     "Can pass to walkable element",             "Player can pass to empty or walkable"
4112   },
4113   {
4114     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
4115     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4116     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
4117     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
4118     NULL, NULL,
4119     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
4120   },
4121   {
4122     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
4123     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4124     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
4125     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
4126     NULL, NULL,
4127     "Can move into acid",                       "Element can move into acid pool"
4128   },
4129   {
4130     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
4131     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4132     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
4133     &custom_element_properties[EP_DONT_COLLIDE_WITH],
4134     NULL, NULL,
4135     "Deadly when colliding with",               "Element is deadly when hitting player"
4136   },
4137   {
4138     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
4139     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4140     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
4141     &level.bd_diagonal_movements,
4142     NULL, NULL,
4143     "Can move diagonally",                      "Player can move diagonally"
4144   },
4145   {
4146     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
4147     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4148     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
4149     &level.bd_topmost_player_active,
4150     NULL, NULL,
4151     "Topmost player is active",                 "Use first player found on playfield"
4152   },
4153   {
4154     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
4155     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4156     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
4157     &level.bd_push_mega_rock_with_sweet,
4158     NULL, NULL,
4159     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
4160   },
4161   {
4162     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
4163     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4164     GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,      GADGET_ID_NONE,
4165     &level.bd_magic_wall_zero_infinite,
4166     NULL, NULL,
4167     "Run forever if duration is zero",          "Run infinitely if timer is zero"
4168   },
4169   {
4170     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
4171     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4172     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
4173     &level.bd_magic_wall_wait_hatching,
4174     NULL, NULL,
4175     "Wait for player's birth",                  "Timer start waits for player's birth"
4176   },
4177   {
4178     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
4179     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4180     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
4181     &level.bd_magic_wall_stops_amoeba,
4182     NULL, NULL,
4183     "Stop amoeba and turn to diamonds",         "Activation changes amoeba to diamonds"
4184   },
4185   {
4186     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
4187     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4188     GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,         GADGET_ID_NONE,
4189     &level.bd_magic_wall_break_scan,
4190     NULL, NULL,
4191     "Emulate amoeba bug in BD1",                "Use buggy BD1 behavior"
4192   },
4193   {
4194     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
4195     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4196     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
4197     &level.bd_amoeba_wait_for_hatching,
4198     NULL, NULL,
4199     "Wait for player's birth",                  "Timer start waits for player's birth"
4200   },
4201   {
4202     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
4203     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4204     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
4205     &level.bd_amoeba_start_immediately,
4206     NULL, NULL,
4207     "Start growing immediately",                "Start slow growth time immediately"
4208   },
4209   {
4210     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
4211     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4212     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
4213     &level.bd_amoeba_2_explode_by_amoeba,
4214     NULL, NULL,
4215     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
4216   },
4217   {
4218     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
4219     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4220     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
4221     &level.bd_voodoo_collects_diamonds,
4222     NULL, NULL,
4223     "Can collect diamonds",                     "Can collect diamonds for the player"
4224   },
4225   {
4226     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
4227     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4228     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
4229     &level.bd_voodoo_hurt_kills_player,
4230     NULL, NULL,
4231     "Player is killed if hurt",                 "If hurt in any way, player is killed"
4232   },
4233   {
4234     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
4235     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4236     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
4237     &level.bd_voodoo_dies_by_rock,
4238     NULL, NULL,
4239     "Killed by falling rock",                   "Can be killed by a falling rock"
4240   },
4241   {
4242     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
4243     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4244     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
4245     &level.bd_voodoo_vanish_by_explosion,
4246     NULL, NULL,
4247     "Disappears in explosions",                 "Can be destroyed by explosions"
4248   },
4249   {
4250     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
4251     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4252     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
4253     &level.bd_slime_is_predictable,
4254     NULL, NULL,
4255     "Slime is predictable",                     "Use predictable random numbers"
4256   },
4257   {
4258     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
4259     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4260     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
4261     &level.bd_change_expanding_wall,
4262     NULL, NULL,
4263     "Change direction",                         "Switch horizontal/vertical direction"
4264   },
4265   {
4266     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
4267     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4268     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
4269     &level.bd_replicators_active,
4270     NULL, NULL,
4271     "Active at start",                          "Replicators start in active state"
4272   },
4273   {
4274     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
4275     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4276     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
4277     &level.bd_conveyor_belts_active,
4278     NULL, NULL,
4279     "Active at start",                          "Conveyor belts start in active state"
4280   },
4281   {
4282     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
4283     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4284     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
4285     &level.bd_conveyor_belts_changed,
4286     NULL, NULL,
4287     "Change direction",                         "Switch conveyor belt direction"
4288   },
4289   {
4290     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
4291     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4292     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
4293     &level.bd_water_cannot_flow_down,
4294     NULL, NULL,
4295     "Does not flow downwards",                  "Water can only flow up, left and right"
4296   },
4297   {
4298     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
4299     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4300     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
4301     &level.bd_hammer_walls_reappear,
4302     NULL, NULL,
4303     "Hammered walls reappear",                  "Hammered walls reappear after delay"
4304   },
4305   {
4306     ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
4307     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4308     GADGET_ID_BD_INFINITE_ROCKETS,              GADGET_ID_NONE,
4309     &level.bd_infinite_rockets,
4310     NULL, NULL,
4311     "Infinite rockets",                         "Rocket launcher has infinite rockets"
4312   },
4313   {
4314     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
4315     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4316     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
4317     &level.bd_creatures_start_backwards,
4318     NULL, NULL,
4319     "Creatures start moving backwards",         "Creatures start in opposite direction"
4320   },
4321   {
4322     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
4323     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4324     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
4325     &level.bd_creatures_turn_on_hatching,
4326     NULL, NULL,
4327     "Creatures auto turn on hatching",          "Creatures change direction on hatching"
4328   },
4329   {
4330     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
4331     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4332     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
4333     &level.bd_gravity_switch_active,
4334     NULL, NULL,
4335     "Gravity switch active at start",           "Gravity switch starts in active state"
4336   },
4337   {
4338     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
4339     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
4340     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
4341     &level.bd_gravity_affects_all,
4342     NULL, NULL,
4343     "Gravity change affects everything",        "Gravity affects all falling objects"
4344   },
4345   {
4346     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
4347     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4348     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
4349     &level.envelope[0].autowrap,
4350     NULL, NULL,
4351     "Auto-wrap",                                "Automatically wrap envelope text"
4352   },
4353   {
4354     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
4355     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
4356     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
4357     &level.envelope[0].centered,
4358     NULL, " ",
4359     "Centered",                                 "Automatically center envelope text"
4360   },
4361   {
4362     ED_CHECKBUTTON_ID_MM_LASER_RED,
4363     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4364     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
4365     &level.mm_laser_red,
4366     "Choose color components for laser:", NULL,
4367     "Red",                                      "Use red color components in laser"
4368   },
4369   {
4370     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
4371     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4372     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
4373     &level.mm_laser_green,
4374     NULL, NULL,
4375     "Green",                                    "Use green color components in laser"
4376   },
4377   {
4378     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
4379     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4380     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
4381     &level.mm_laser_blue,
4382     NULL, NULL,
4383     "Blue",                                     "Use blue color components in laser"
4384   },
4385   {
4386     ED_CHECKBUTTON_ID_DF_LASER_RED,
4387     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4388     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4389     &level.df_laser_red,
4390     "Choose color components for laser:", NULL,
4391     "Red",                                      "Use red color components in laser"
4392   },
4393   {
4394     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4395     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4396     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4397     &level.df_laser_green,
4398     NULL, NULL,
4399     "Green",                                    "Use green color components in laser"
4400   },
4401   {
4402     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4403     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4404     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4405     &level.df_laser_blue,
4406     NULL, NULL,
4407     "Blue",                                     "Use blue color components in laser"
4408   },
4409   {
4410     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4411     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4412     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4413     &level.rotate_mm_ball_content,
4414     NULL, NULL,
4415     "Randomly rotate created content",          "Randomly rotate newly created content"
4416   },
4417   {
4418     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4419     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4420     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4421     &level.explode_mm_ball,
4422     NULL, NULL,
4423     "Explode ball instead of melting",          "Use explosion to release ball content"
4424   },
4425
4426   // ---------- element settings: configure 1 (custom elements) ---------------
4427
4428   {
4429     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4430     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4431     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4432     &custom_element.use_gfx_element,
4433     NULL, NULL,
4434     "Use graphic of element:",                  "Use existing element graphic"
4435   },
4436   {
4437     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4438     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4439     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4440     &level.use_custom_template,
4441     NULL, NULL,
4442     "Use template",                             "Use template for custom properties"
4443   },
4444   {
4445     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4446     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4447     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4448     &custom_element_properties[EP_ACCESSIBLE],
4449     NULL, NULL,
4450     NULL,                                       "Player can walk to or pass this field"
4451   },
4452   {
4453     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4454     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4455     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4456     &custom_element_properties[EP_GRAVITY_REACHABLE],
4457     NULL, NULL,
4458     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4459   },
4460   {
4461     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4462     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4463     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4464     &custom_element.use_last_ce_value,
4465     NULL, NULL,
4466     "Use last CE value after change",           "Use last CE value after change"
4467   },
4468   {
4469     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4470     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4471     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4472     &custom_element_properties[EP_WALK_TO_OBJECT],
4473     NULL, NULL,
4474     NULL,                                       "Player can dig/collect/push element"
4475   },
4476   {
4477     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4478     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4479     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4480     &custom_element_properties[EP_INDESTRUCTIBLE],
4481     NULL, NULL,
4482     "Indestructible",                           "Element is indestructible"
4483   },
4484
4485   // ---------- element settings: configure 2 (custom elements) ---------------
4486
4487   {
4488     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4489     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4490     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4491     &custom_element_properties[EP_CAN_MOVE],
4492     NULL, NULL,
4493     NULL,                                       "Element can move with some pattern"
4494   },
4495   {
4496     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4497     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4498     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4499     &custom_element_properties[EP_CAN_FALL],
4500     NULL, NULL,
4501     "Can fall",                                 "Element can fall down"
4502   },
4503   {
4504     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4505     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4506     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4507     &custom_element_properties[EP_CAN_SMASH],
4508     NULL, " ",
4509     NULL,                                       "Element can smash other elements"
4510   },
4511   {
4512     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4513     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4514     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4515     &custom_element_properties[EP_SLIPPERY],
4516     NULL, NULL,
4517     NULL,                                       "Other elements can fall down from it"
4518   },
4519   {
4520     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4521     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4522     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4523     &custom_element_properties[EP_DEADLY],
4524     NULL, NULL,
4525     NULL,                                       "Element can kill the player"
4526   },
4527   {
4528     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4529     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4530     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4531     &custom_element_properties[EP_CAN_EXPLODE],
4532     NULL, NULL,
4533     NULL,                                       "Element can explode"
4534   },
4535   {
4536     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4537     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4538     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4539     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4540     NULL, NULL,
4541     "By fire",                                  "Element can explode by fire/explosion"
4542   },
4543   {
4544     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4545     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4546     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4547     &custom_element_properties[EP_EXPLODES_SMASHED],
4548     NULL, " ",
4549     "Smashed",                                  "Element can explode when smashed"
4550   },
4551   {
4552     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4553     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4554     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4555     &custom_element_properties[EP_EXPLODES_IMPACT],
4556     NULL, " ",
4557     "Impact",                                   "Element can explode on impact"
4558   },
4559
4560   // ---------- element settings: advanced (custom elements) ------------------
4561
4562   {
4563     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4564     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4565     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4566     &custom_element_change.can_change,
4567     NULL, NULL,
4568     "Element changes to:",                      "Change element on specified condition"
4569   },
4570   {
4571     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4572     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4573     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4574     &custom_element_change_events[CE_DELAY],
4575     NULL, NULL,
4576     NULL,                                       "Element changes after delay"
4577   },
4578   {
4579     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4580     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4581     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4582     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4583     NULL, NULL,
4584     NULL,                                       "Element changes by direct action"
4585   },
4586   {
4587     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4588     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4589     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4590     &custom_element_change_events[CE_BY_OTHER_ACTION],
4591     NULL, NULL,
4592     NULL,                                       "Element changes by other element"
4593   },
4594   {
4595     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4596     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4597     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4598     &custom_element_change.explode,
4599     NULL, NULL,
4600     "Explode instead of change",                "Element explodes instead of change"
4601   },
4602   {
4603     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4604     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4605     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4606     &custom_element_change.use_target_content,
4607     NULL, NULL,
4608     "Use extended change target:",              "Element changes to more elements"
4609   },
4610   {
4611     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4612     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4613     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4614     &custom_element_change.only_if_complete,
4615     NULL, NULL,
4616     "Replace all or nothing",                   "Only replace when all can be changed"
4617   },
4618   {
4619     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4620     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4621     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4622     &custom_element_change.use_random_replace,
4623     NULL, NULL,
4624     NULL,                                       "Use percentage for random replace"
4625   },
4626   {
4627     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4628     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4629     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4630     &custom_element_change.has_action,
4631     NULL, NULL,
4632     NULL,                                       "Execute action on specified condition"
4633   },
4634 };
4635
4636 static struct
4637 {
4638   int gadget_type_id;
4639   int x, y;
4640   int xoffset, yoffset;
4641   int gadget_id;
4642   int gadget_id_align;
4643   int *value;
4644   int area_xsize, area_ysize;
4645   char *text_left, *text_right, *text_above, *text_below, *infotext;
4646 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4647 {
4648   // ---------- level playfield content ---------------------------------------
4649
4650   {
4651     ED_DRAWING_ID_DRAWING_LEVEL,
4652     0,                                          0,
4653     0,                                          0,
4654     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4655     NULL,
4656     -1, -1,     // these values are not constant, but can change at runtime
4657     NULL, NULL, NULL, NULL,                     NULL
4658   },
4659
4660   // ---------- yam yam content -----------------------------------------------
4661
4662   {
4663     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4664     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4665     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4666     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4667     &level.yamyam_content[0].e[0][0],           3, 3,
4668     NULL, NULL, NULL, "1",                      NULL
4669   },
4670   {
4671     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4672     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4673     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4674     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4675     &level.yamyam_content[1].e[0][0],           3, 3,
4676     NULL, NULL, NULL, "2",                      NULL
4677   },
4678   {
4679     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4680     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4681     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4682     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4683     &level.yamyam_content[2].e[0][0],           3, 3,
4684     NULL, NULL, NULL, "3",                      NULL
4685   },
4686   {
4687     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4688     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4689     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4690     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4691     &level.yamyam_content[3].e[0][0],           3, 3,
4692     NULL, NULL, NULL, "4",                      NULL
4693   },
4694   {
4695     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4696     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4697     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4698     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4699     &level.yamyam_content[4].e[0][0],           3, 3,
4700     NULL, NULL, NULL, "5",                      NULL
4701   },
4702   {
4703     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4704     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4705     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4706     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4707     &level.yamyam_content[5].e[0][0],           3, 3,
4708     NULL, NULL, NULL, "6",                      NULL
4709   },
4710   {
4711     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4712     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4713     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4714     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4715     &level.yamyam_content[6].e[0][0],           3, 3,
4716     NULL, NULL, NULL, "7",                      NULL
4717   },
4718   {
4719     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4720     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4721     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4722     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4723     &level.yamyam_content[7].e[0][0],           3, 3,
4724     NULL, NULL, NULL, "8",                      NULL
4725   },
4726
4727   // ---------- magic ball content --------------------------------------------
4728
4729   {
4730     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4731     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4732     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4733     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4734     &level.ball_content[0].e[0][0],             3, 3,
4735     NULL, NULL, NULL, "1",                      NULL
4736   },
4737   {
4738     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4739     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4740     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4741     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4742     &level.ball_content[1].e[0][0],             3, 3,
4743     NULL, NULL, NULL, "2",                      NULL
4744   },
4745   {
4746     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4747     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4748     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4749     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4750     &level.ball_content[2].e[0][0],             3, 3,
4751     NULL, NULL, NULL, "3",                      NULL
4752   },
4753   {
4754     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4755     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4756     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4757     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4758     &level.ball_content[3].e[0][0],             3, 3,
4759     NULL, NULL, NULL, "4",                      NULL
4760   },
4761   {
4762     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4763     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4764     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4765     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4766     &level.ball_content[4].e[0][0],             3, 3,
4767     NULL, NULL, NULL, "5",                      NULL
4768   },
4769   {
4770     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4771     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4772     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4773     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4774     &level.ball_content[5].e[0][0],             3, 3,
4775     NULL, NULL, NULL, "6",                      NULL
4776   },
4777   {
4778     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4779     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4780     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4781     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4782     &level.ball_content[6].e[0][0],             3, 3,
4783     NULL, NULL, NULL, "7",                      NULL
4784   },
4785   {
4786     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4787     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4788     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4789     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4790     &level.ball_content[7].e[0][0],             3, 3,
4791     NULL, NULL, NULL, "8",                      NULL
4792   },
4793
4794   // ---------- android content -----------------------------------------------
4795
4796   {
4797     ED_DRAWING_ID_ANDROID_CONTENT,
4798     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4799     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4800     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4801     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4802     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4803   },
4804
4805   // ---------- amoeba content ------------------------------------------------
4806
4807   {
4808     ED_DRAWING_ID_AMOEBA_CONTENT,
4809     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4810     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4811     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4812     &level.amoeba_content,                      1, 1,
4813     "Content:", NULL, NULL, NULL,               "Amoeba content"
4814   },
4815
4816   // ---------- BD snap element -----------------------------------------------
4817
4818   {
4819     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4820     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4821     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4822     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4823     &level.bd_snap_element,                     1, 1,
4824     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4825   },
4826
4827   // ---------- BD magic wall elements ----------------------------------------
4828
4829   {
4830     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4831     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4832     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4833     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4834     &level.bd_magic_wall_diamond_to,            1, 1,
4835     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4836   },
4837   {
4838     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4839     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4840     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4841     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4842     &level.bd_magic_wall_rock_to,               1, 1,
4843     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4844   },
4845   {
4846     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4847     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4848     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4849     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4850     &level.bd_magic_wall_mega_rock_to,          1, 1,
4851     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4852   },
4853   {
4854     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4855     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4856     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4857     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4858     &level.bd_magic_wall_nut_to,                1, 1,
4859     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4860   },
4861   {
4862     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4863     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4864     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4865     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4866     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4867     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4868   },
4869   {
4870     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4871     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4872     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4873     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4874     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4875     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4876   },
4877   {
4878     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4879     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(12),
4880     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4881     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4882     &level.bd_magic_wall_flying_rock_to,        1, 1,
4883     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4884   },
4885
4886   // ---------- BD amoeba 1 content -------------------------------------------
4887
4888   {
4889     ED_DRAWING_ID_BD_AMOEBA_1_CONTENT_TOO_BIG,
4890     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4891     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4892     GADGET_ID_BD_AMOEBA_1_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4893     &level.bd_amoeba_1_content_too_big,         1, 1,
4894     "If too big, changes to:", NULL, NULL, NULL, "Amoeba 1 content if too big"
4895   },
4896   {
4897     ED_DRAWING_ID_BD_AMOEBA_1_CONTENT_ENCLOSED,
4898     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4899     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4900     GADGET_ID_BD_AMOEBA_1_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4901     &level.bd_amoeba_1_content_enclosed,        1, 1,
4902     "If enclosed, changes to:", NULL, NULL, NULL, "Amoeba 1 content if enclosed"
4903   },
4904
4905   // ---------- BD amoeba 2 content -------------------------------------------
4906
4907   {
4908     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4909     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4910     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4911     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4912     &level.bd_amoeba_2_content_too_big,         1, 1,
4913     "If too big, changes to:", NULL, NULL, NULL, "Amoeba 2 content if too big"
4914   },
4915   {
4916     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4917     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4918     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4919     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4920     &level.bd_amoeba_2_content_enclosed,        1, 1,
4921     "If enclosed, changes to:", NULL, NULL, NULL, "Amoeba 2 content if enclosed"
4922   },
4923   {
4924     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4925     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4926     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4927     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4928     &level.bd_amoeba_2_content_exploding,       1, 1,
4929     "If exploding, changes to:", NULL, NULL, NULL, "Amoeba 2 content if exploding"
4930   },
4931   {
4932     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4933     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4934     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4935     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4936     &level.bd_amoeba_2_content_looks_like,      1, 1,
4937     "Use graphic of element:", NULL, NULL, NULL, "Amoeba 2 looks like this element"
4938   },
4939   {
4940     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4941     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4942     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4943     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4944     &level.bd_slime_eats_element_1,             1, 1,
4945     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4946   },
4947   {
4948     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4949     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4950     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4951     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4952     &level.bd_slime_converts_to_element_1,      1, 1,
4953     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4954   },
4955   {
4956     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4957     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4958     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4959     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4960     &level.bd_slime_eats_element_2,             1, 1,
4961     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4962   },
4963   {
4964     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4965     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4966     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4967     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4968     &level.bd_slime_converts_to_element_2,      1, 1,
4969     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4970   },
4971   {
4972     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4973     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4974     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4975     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4976     &level.bd_slime_eats_element_3,             1, 1,
4977     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4978   },
4979   {
4980     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4981     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4982     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4983     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4984     &level.bd_slime_converts_to_element_3,      1, 1,
4985     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4986   },
4987   {
4988     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4989     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4990     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4991     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4992     &level.bd_acid_eats_element,                1, 1,
4993     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4994   },
4995   {
4996     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4997     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4998     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4999     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
5000     &level.bd_acid_turns_to_element,            1, 1,
5001     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
5002   },
5003   {
5004     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
5005     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5006     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5007     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
5008     &level.bd_biter_eats_element,               1, 1,
5009     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
5010   },
5011   {
5012     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
5013     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5014     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5015     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
5016     &level.bd_bladder_converts_by_element,      1, 1,
5017     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
5018   },
5019   {
5020     ED_DRAWING_ID_BD_NUT_CONTENT,
5021     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5022     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5023     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
5024     &level.bd_nut_content,                      1, 1,
5025     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
5026   },
5027   {
5028     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
5029     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5030     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5031     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
5032     &level.bd_expanding_wall_looks_like,        1, 1,
5033     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
5034   },
5035   {
5036     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
5037     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5038     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5039     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
5040     &level.bd_sand_looks_like,                  1, 1,
5041     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
5042   },
5043   {
5044     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
5045     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5046     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5047     GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,      GADGET_ID_NONE,
5048     &level.bd_rock_turns_to_on_falling,         1, 1,
5049     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
5050   },
5051   {
5052     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
5053     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
5054     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5055     GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,       GADGET_ID_NONE,
5056     &level.bd_rock_turns_to_on_impact,          1, 1,
5057     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
5058   },
5059   {
5060     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
5061     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5062     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5063     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,   GADGET_ID_NONE,
5064     &level.bd_diamond_turns_to_on_falling,      1, 1,
5065     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
5066   },
5067   {
5068     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
5069     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
5070     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5071     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,    GADGET_ID_NONE,
5072     &level.bd_diamond_turns_to_on_impact,       1, 1,
5073     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
5074   },
5075   {
5076     ED_DRAWING_ID_BD_FIREFLY_1_EXPLODES_TO,
5077     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5078     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5079     GADGET_ID_BD_FIREFLY_1_EXPLODES_TO,         GADGET_ID_NONE,
5080     &level.bd_firefly_1_explodes_to,            1, 1,
5081     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5082   },
5083   {
5084     ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
5085     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5086     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5087     GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,         GADGET_ID_NONE,
5088     &level.bd_firefly_2_explodes_to,            1, 1,
5089     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5090   },
5091   {
5092     ED_DRAWING_ID_BD_BUTTERFLY_1_EXPLODES_TO,
5093     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5094     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5095     GADGET_ID_BD_BUTTERFLY_1_EXPLODES_TO,       GADGET_ID_NONE,
5096     &level.bd_butterfly_1_explodes_to,          1, 1,
5097     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5098   },
5099   {
5100     ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
5101     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5102     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5103     GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,       GADGET_ID_NONE,
5104     &level.bd_butterfly_2_explodes_to,          1, 1,
5105     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5106   },
5107   {
5108     ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
5109     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5110     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5111     GADGET_ID_BD_STONEFLY_EXPLODES_TO,          GADGET_ID_NONE,
5112     &level.bd_stonefly_explodes_to,             1, 1,
5113     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5114   },
5115   {
5116     ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
5117     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5118     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5119     GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,         GADGET_ID_NONE,
5120     &level.bd_dragonfly_explodes_to,            1, 1,
5121     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5122   },
5123   {
5124     ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
5125     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5126     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5127     GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,        GADGET_ID_NONE,
5128     &level.bd_diamond_birth_turns_to,           1, 1,
5129     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5130   },
5131   {
5132     ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
5133     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5134     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5135     GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,       GADGET_ID_NONE,
5136     &level.bd_bomb_explosion_turns_to,          1, 1,
5137     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5138   },
5139   {
5140     ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
5141     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5142     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5143     GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,      GADGET_ID_NONE,
5144     &level.bd_nitro_explosion_turns_to,         1, 1,
5145     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5146   },
5147   {
5148     ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
5149     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5150     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5151     GADGET_ID_BD_EXPLOSION_TURNS_TO,            GADGET_ID_NONE,
5152     &level.bd_explosion_turns_to,               1, 1,
5153     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5154   },
5155
5156   // ---------- level start element -------------------------------------------
5157
5158   {
5159     ED_DRAWING_ID_START_ELEMENT,
5160     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
5161     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5162     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
5163     &level.start_element[0],                    1, 1,
5164     NULL, NULL, NULL, NULL,                     "Level start element"
5165   },
5166
5167   // ---------- player artwork element ----------------------------------------
5168
5169   {
5170     ED_DRAWING_ID_ARTWORK_ELEMENT,
5171     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
5172     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5173     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
5174     &level.artwork_element[0],                  1, 1,
5175     NULL, NULL, NULL, NULL,                     "Element for player artwork"
5176   },
5177
5178   // ---------- player explosion element --------------------------------------
5179
5180   {
5181     ED_DRAWING_ID_EXPLOSION_ELEMENT,
5182     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
5183     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5184     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
5185     &level.explosion_element[0],                1, 1,
5186     NULL, NULL, NULL, NULL,                     "Element for player explosion"
5187   },
5188
5189   // ---------- player initial inventory --------------------------------------
5190
5191   {
5192     ED_DRAWING_ID_INVENTORY_CONTENT,
5193     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5194     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5195     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
5196     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
5197     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
5198   },
5199
5200   // ---------- gray ball content -----------------------------------------
5201
5202   {
5203     ED_DRAWING_ID_MM_BALL_CONTENT,
5204     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5205     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5206     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
5207     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
5208     "Content:", NULL, NULL, NULL,               "Content for gray ball"
5209   },
5210
5211   // ---------- element settings: configure 1 (custom elements) ---------------
5212
5213   // ---------- custom graphic ------------------------------------------------
5214
5215   {
5216     ED_DRAWING_ID_CUSTOM_GRAPHIC,
5217     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5218     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5219     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
5220     &custom_element.gfx_element_initial,        1, 1,
5221     NULL, NULL, NULL, NULL,                     "Custom graphic element"
5222   },
5223
5224   // ---------- element settings: configure 2 (custom elements) ---------------
5225
5226   // ---------- custom content (when exploding) -------------------------------
5227
5228   {
5229     ED_DRAWING_ID_CUSTOM_CONTENT,
5230     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
5231     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5232     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
5233     &custom_element.content.e[0][0],            3, 3,
5234     "Content:", NULL, NULL, NULL,               NULL
5235   },
5236
5237   // ---------- custom enter and leave element (when moving) ------------------
5238
5239   {
5240     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
5241     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
5242     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5243     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
5244     &custom_element.move_enter_element,         1, 1,
5245     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
5246   },
5247   {
5248     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
5249     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
5250     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5251     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
5252     &custom_element.move_leave_element,         1, 1,
5253     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
5254   },
5255
5256   // ---------- element settings: advanced (custom elements) ------------------
5257
5258   // ---------- custom change target ------------------------------------------
5259
5260   {
5261     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
5262     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5263     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5264     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
5265     &custom_element_change.target_element,      1, 1,
5266     NULL, "after/when:", NULL, NULL,            "New target element after change"
5267   },
5268
5269   // ---------- custom change content (extended change target) ----------------
5270
5271   {
5272     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
5273     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
5274     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5275     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
5276     &custom_element_change.target_content.e[0][0], 3, 3,
5277     NULL, NULL, NULL, NULL,                     "New extended elements after change"
5278   },
5279
5280   // ---------- custom change trigger (element causing change) ----------------
5281
5282   {
5283     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
5284     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
5285     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5286     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
5287     &custom_element_change.initial_trigger_element, 1, 1,
5288     NULL, NULL, NULL, NULL,                     "Other element triggering change"
5289   },
5290
5291   // ---------- custom change action (element used for action) ----------------
5292
5293   {
5294     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
5295     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
5296     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5297     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
5298     &custom_element_change.action_element,      1, 1,
5299     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
5300   },
5301
5302   // ---------- group element content -----------------------------------------
5303
5304   {
5305     ED_DRAWING_ID_GROUP_CONTENT,
5306     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5307     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5308     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
5309     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
5310     "Content:", NULL, NULL, NULL,               NULL
5311   },
5312
5313   // ---------- random background (for random painting) -----------------------
5314
5315   {
5316     ED_DRAWING_ID_RANDOM_BACKGROUND,
5317     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
5318     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
5319     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
5320     &random_placement_background_element,       1, 1,
5321     NULL, NULL, NULL, NULL,                     "Random placement background"
5322   },
5323 };
5324
5325
5326 // ----------------------------------------------------------------------------
5327 // some internally used variables
5328 // ----------------------------------------------------------------------------
5329
5330 // maximal size of level editor drawing area
5331 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
5332
5333 // actual size of level editor drawing area
5334 static int ed_fieldx, ed_fieldy;
5335
5336 // actual position of level editor drawing area in level playfield
5337 static int level_xpos = -1, level_ypos = -1;
5338
5339 // actual tile size used to display playfield drawing area
5340 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
5341 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
5342
5343 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
5344
5345 // drawing elements on the three mouse buttons
5346 static int new_element1 = EL_WALL;
5347 static int new_element2 = EL_EMPTY;
5348 static int new_element3 = EL_SAND;
5349
5350 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
5351 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
5352                                 (button) == 2 ? new_element2 : \
5353                                 (button) == 3 ? new_element3 : EL_EMPTY)
5354
5355 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
5356
5357 static int use_permanent_palette = TRUE;
5358
5359 #define PX              (use_permanent_palette ? DX : SX)
5360 #define PY              (use_permanent_palette ? DY : SY)
5361 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
5362 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
5363
5364 // forward declaration for internal use
5365 static void CopyBrushToCursor(int, int);
5366 static void DeleteBrushFromCursor(void);
5367 static void ModifyEditorCounterValue(int, int);
5368 static void ModifyEditorCounterLimits(int, int, int);
5369 static void ModifyEditorSelectboxValue(int, int);
5370 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
5371 static void ModifyEditorDrawingArea(int, int, int);
5372 static void ModifyEditorElementList(void);
5373 static void AdjustElementListScrollbar(void);
5374 static void RedrawDrawingElements(void);
5375 static void DrawDrawingWindowExt(boolean);
5376 static void DrawDrawingWindow(void);
5377 static void DrawLevelConfigWindow(void);
5378 static void DrawPropertiesWindow(void);
5379 static void DrawPaletteWindow(void);
5380 static void UpdateCustomElementGraphicGadgets(void);
5381 static boolean checkPropertiesConfig(int);
5382 static void SetAutomaticNumberOfGemsNeeded(void);
5383 static void ClearEditorGadgetInfoText(void);
5384 static void CopyLevelToUndoBuffer(int);
5385 static void HandleDrawingAreas(struct GadgetInfo *);
5386 static void HandleCounterButtons(struct GadgetInfo *);
5387 static void HandleTextInputGadgets(struct GadgetInfo *);
5388 static void HandleTextAreaGadgets(struct GadgetInfo *);
5389 static void HandleSelectboxGadgets(struct GadgetInfo *);
5390 static void HandleTextbuttonGadgets(struct GadgetInfo *);
5391 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
5392 static void HandleRadiobuttons(struct GadgetInfo *);
5393 static void HandleCheckbuttons(struct GadgetInfo *);
5394 static void HandleControlButtons(struct GadgetInfo *);
5395 static void HandleDrawingAreaInfo(struct GadgetInfo *);
5396 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
5397 static boolean AskToCopyAndModifyLevelTemplate(void);
5398 static boolean getDrawModeHiRes(void);
5399 static int getTabulatorBarWidth(void);
5400 static int getTabulatorBarHeight(void);
5401 static Pixel getTabulatorBarColor(void);
5402 static int numHiresTiles(int);
5403
5404 static int num_editor_gadgets = 0;      // dynamically determined
5405
5406 static struct GadgetInfo **level_editor_gadget = NULL;
5407 static int *right_gadget_border = NULL;
5408
5409 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
5410 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
5411 static boolean draw_with_brush = FALSE;
5412 static int properties_element = 0;
5413
5414 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5415 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5416 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5417 static int undo_buffer_position = 0;
5418 static int undo_buffer_steps = 0;
5419 static int redo_buffer_steps = 0;
5420
5421 static int edit_mode;
5422 static int edit_mode_levelconfig;
5423 static int edit_mode_engineconfig;
5424 static int edit_mode_properties;
5425
5426 static int element_shift = 0;
5427
5428 static int editor_el_players[] =
5429 {
5430   EL_PLAYER_1,
5431   EL_PLAYER_2,
5432   EL_PLAYER_3,
5433   EL_PLAYER_4
5434 };
5435 static int *editor_el_players_ptr = editor_el_players;
5436 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
5437
5438 static int editor_hl_boulderdash[] =
5439 {
5440   EL_INTERNAL_CASCADE_BD_ACTIVE,
5441   EL_CHAR('B'),
5442   EL_CHAR('D'),
5443   EL_EMPTY,
5444 };
5445
5446 static int editor_el_boulderdash[] =
5447 {
5448   EL_EMPTY,
5449   EL_SAND,
5450   EL_BD_ROCK,
5451   EL_BD_DIAMOND,
5452
5453   EL_STEELWALL,
5454   EL_BD_WALL,
5455   EL_BD_EXPANDABLE_WALL,
5456   EL_BD_MAGIC_WALL,
5457
5458   EL_BD_AMOEBA,
5459   EL_BD_BUTTERFLY_UP,
5460   EL_BD_FIREFLY_UP,
5461   EL_EXIT_CLOSED,
5462
5463   EL_BD_BUTTERFLY_LEFT,
5464   EL_BD_FIREFLY_LEFT,
5465   EL_BD_BUTTERFLY_RIGHT,
5466   EL_BD_FIREFLY_RIGHT,
5467
5468   EL_EMPTY,
5469   EL_BD_BUTTERFLY_DOWN,
5470   EL_BD_FIREFLY_DOWN,
5471   EL_EXIT_OPEN,
5472 };
5473 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
5474 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
5475 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
5476 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
5477
5478 static int editor_hl_boulderdash_native[] =
5479 {
5480   EL_INTERNAL_CASCADE_BDX_ACTIVE,
5481   EL_CHAR('B'),
5482   EL_CHAR('D'),
5483   EL_EMPTY,
5484 };
5485
5486 static int editor_el_boulderdash_native[] =
5487 {
5488   EL_EMPTY,
5489   EL_BDX_SAND_1,
5490   EL_BDX_ROCK,
5491   EL_BDX_DIAMOND,
5492
5493   EL_BDX_INBOX,
5494   EL_BDX_STEELWALL,
5495   EL_BDX_WALL,
5496   EL_BDX_MAGIC_WALL,
5497
5498   EL_BDX_AMOEBA_1,
5499   EL_BDX_BUTTERFLY_1_UP,
5500   EL_BDX_FIREFLY_1_UP,
5501   EL_BDX_EXIT_CLOSED,
5502
5503   EL_BDX_BUTTERFLY_1_LEFT,
5504   EL_BDX_FIREFLY_1_LEFT,
5505   EL_BDX_BUTTERFLY_1_RIGHT,
5506   EL_BDX_FIREFLY_1_RIGHT,
5507
5508   EL_BDX_SAND_2,
5509   EL_BDX_BUTTERFLY_1_DOWN,
5510   EL_BDX_FIREFLY_1_DOWN,
5511   EL_BDX_EXIT_OPEN,
5512
5513   EL_BDX_AMOEBA_2,
5514   EL_BDX_BUTTERFLY_2_UP,
5515   EL_BDX_FIREFLY_2_UP,
5516   EL_BDX_SLIME,
5517
5518   EL_BDX_BUTTERFLY_2_LEFT,
5519   EL_BDX_FIREFLY_2_LEFT,
5520   EL_BDX_BUTTERFLY_2_RIGHT,
5521   EL_BDX_FIREFLY_2_RIGHT,
5522
5523   EL_BDX_BOMB,
5524   EL_BDX_BUTTERFLY_2_DOWN,
5525   EL_BDX_FIREFLY_2_DOWN,
5526   EL_BDX_FLYING_DIAMOND,
5527
5528   EL_BDX_NITRO_PACK,
5529   EL_BDX_DRAGONFLY_UP,
5530   EL_BDX_STONEFLY_UP,
5531   EL_BDX_DIAMOND_GLUED,
5532
5533   EL_BDX_DRAGONFLY_LEFT,
5534   EL_BDX_STONEFLY_LEFT,
5535   EL_BDX_DRAGONFLY_RIGHT,
5536   EL_BDX_STONEFLY_RIGHT,
5537
5538   EL_BDX_NUT,
5539   EL_BDX_DRAGONFLY_DOWN,
5540   EL_BDX_STONEFLY_DOWN,
5541   EL_EMPTY,
5542
5543   EL_BDX_BITER_SWITCH_1,
5544   EL_BDX_BITER_UP,
5545   EL_BDX_COW_UP,
5546   EL_EMPTY,
5547
5548   EL_BDX_BITER_LEFT,
5549   EL_BDX_COW_LEFT,
5550   EL_BDX_BITER_RIGHT,
5551   EL_BDX_COW_RIGHT,
5552
5553   EL_BDX_VOODOO_DOLL,
5554   EL_BDX_BITER_DOWN,
5555   EL_BDX_COW_DOWN,
5556   EL_BDX_GHOST,
5557
5558   EL_BDX_SAND_GLUED,
5559   EL_BDX_SAND_BALL,
5560   EL_BDX_SAND_LOOSE,
5561   EL_BDX_WALL_NON_SLOPED,
5562
5563   EL_BDX_SAND_SLOPED_UP_LEFT,
5564   EL_BDX_SAND_SLOPED_UP_RIGHT,
5565   EL_BDX_WALL_SLOPED_UP_LEFT,
5566   EL_BDX_WALL_SLOPED_UP_RIGHT,
5567
5568   EL_BDX_SAND_SLOPED_DOWN_LEFT,
5569   EL_BDX_SAND_SLOPED_DOWN_RIGHT,
5570   EL_BDX_WALL_SLOPED_DOWN_LEFT,
5571   EL_BDX_WALL_SLOPED_DOWN_RIGHT,
5572
5573   EL_BDX_FLYING_ROCK,
5574   EL_BDX_ROCK_GLUED,
5575   EL_BDX_STEELWALL_SLOPED_UP_LEFT,
5576   EL_BDX_STEELWALL_SLOPED_UP_RIGHT,
5577
5578   EL_BDX_WAITING_ROCK,
5579   EL_BDX_CHASING_ROCK,
5580   EL_BDX_STEELWALL_SLOPED_DOWN_LEFT,
5581   EL_BDX_STEELWALL_SLOPED_DOWN_RIGHT,
5582
5583   EL_BDX_MEGA_ROCK,
5584   EL_BDX_SWEET,
5585   EL_BDX_INVISIBLE_EXIT_CLOSED,
5586   EL_BDX_INVISIBLE_EXIT_OPEN,
5587
5588   EL_BDX_STEELWALL_EXPLODABLE,
5589   EL_BDX_STEELWALL_DIGGABLE,
5590   EL_BDX_WALL_DIGGABLE,
5591   EL_BDX_FALLING_WALL,
5592
5593   EL_BDX_EXPANDABLE_WALL_HORIZONTAL,
5594   EL_BDX_EXPANDABLE_WALL_VERTICAL,
5595   EL_BDX_EXPANDABLE_WALL_ANY,
5596   EL_BDX_EXPANDABLE_WALL_SWITCH,
5597
5598   EL_BDX_EXPANDABLE_STEELWALL_HORIZONTAL,
5599   EL_BDX_EXPANDABLE_STEELWALL_VERTICAL,
5600   EL_BDX_EXPANDABLE_STEELWALL_ANY,
5601   EL_BDX_CREATURE_SWITCH,
5602
5603   EL_BDX_BLADDER,
5604   EL_BDX_BLADDER_SPENDER,
5605   EL_BDX_REPLICATOR,
5606   EL_BDX_REPLICATOR_SWITCH,
5607
5608   EL_BDX_CONVEYOR_LEFT,
5609   EL_BDX_CONVEYOR_RIGHT,
5610   EL_BDX_CONVEYOR_SWITCH,
5611   EL_BDX_CONVEYOR_DIR_SWITCH,
5612
5613   EL_BDX_CLOCK,
5614   EL_BDX_TIME_PENALTY,
5615   EL_BDX_GRAVESTONE,
5616   EL_BDX_SKELETON,
5617
5618   EL_BDX_WATER,
5619   EL_BDX_ACID,
5620   EL_BDX_LAVA,
5621   EL_BDX_BOX,
5622
5623   EL_BDX_GATE_1,
5624   EL_BDX_GATE_2,
5625   EL_BDX_GATE_3,
5626   EL_BDX_TRAPPED_DIAMOND,
5627
5628   EL_BDX_KEY_1,
5629   EL_BDX_KEY_2,
5630   EL_BDX_KEY_3,
5631   EL_BDX_DIAMOND_KEY,
5632
5633   EL_BDX_WALL_KEY_1,
5634   EL_BDX_WALL_KEY_2,
5635   EL_BDX_WALL_KEY_3,
5636   EL_BDX_WALL_DIAMOND,
5637
5638   EL_BDX_POT,
5639   EL_BDX_GRAVITY_SWITCH,
5640   EL_BDX_PNEUMATIC_HAMMER,
5641   EL_BDX_TELEPORTER,
5642
5643   EL_BDX_PLAYER,
5644   EL_BDX_PLAYER_WITH_BOMB,
5645   EL_BDX_PLAYER_WITH_ROCKET_LAUNCHER,
5646   EL_BDX_ROCKET_LAUNCHER,
5647
5648   EL_BDX_PLAYER_GLUED,
5649   EL_BDX_PLAYER_STIRRING,
5650   EL_EMPTY,
5651   EL_EMPTY,
5652 };
5653 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5654 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5655 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5656 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5657
5658 static int editor_hl_boulderdash_effects[] =
5659 {
5660   EL_INTERNAL_CASCADE_BDX_EFFECTS_ACTIVE,
5661   EL_CHAR('B'),
5662   EL_CHAR('D'),
5663   EL_CHAR('E'),
5664 };
5665
5666 static int editor_el_boulderdash_effects[] =
5667 {
5668   EL_BDX_DIAMOND_FALLING,
5669   EL_BDX_ROCK_FALLING,
5670   EL_BDX_MEGA_ROCK_FALLING,
5671   EL_BDX_FLYING_DIAMOND_FLYING,
5672
5673   EL_BDX_FALLING_WALL_FALLING,
5674   EL_BDX_NITRO_PACK_FALLING,
5675   EL_BDX_NUT_FALLING,
5676   EL_BDX_FLYING_ROCK_FLYING,
5677
5678   EL_BDX_PLAYER_GROWING_1,
5679   EL_BDX_PLAYER_GROWING_2,
5680   EL_BDX_PLAYER_GROWING_3,
5681   EL_BDX_PLAYER,
5682
5683   EL_BDX_PLAYER_WITH_BOMB,
5684   EL_BDX_PLAYER_STIRRING,
5685   EL_BDX_EXIT_OPEN,
5686   EL_BDX_INVISIBLE_EXIT_OPEN,
5687
5688   EL_BDX_BLADDER_1,
5689   EL_BDX_BLADDER_2,
5690   EL_BDX_BLADDER_3,
5691   EL_BDX_BLADDER_4,
5692
5693   EL_BDX_BLADDER_5,
5694   EL_BDX_BLADDER_6,
5695   EL_BDX_BLADDER_7,
5696   EL_BDX_BLADDER_8,
5697
5698   EL_BDX_SAND_2,
5699   EL_BDX_COW_ENCLOSED_1,
5700   EL_BDX_COW_ENCLOSED_2,
5701   EL_BDX_COW_ENCLOSED_3,
5702
5703   EL_BDX_COW_ENCLOSED_4,
5704   EL_BDX_COW_ENCLOSED_5,
5705   EL_BDX_COW_ENCLOSED_6,
5706   EL_BDX_COW_ENCLOSED_7,
5707
5708   EL_BDX_WATER_1,
5709   EL_BDX_WATER_2,
5710   EL_BDX_WATER_3,
5711   EL_BDX_WATER_4,
5712
5713   EL_BDX_WATER_5,
5714   EL_BDX_WATER_6,
5715   EL_BDX_WATER_7,
5716   EL_BDX_WATER_8,
5717
5718   EL_BDX_WATER_9,
5719   EL_BDX_WATER_10,
5720   EL_BDX_WATER_11,
5721   EL_BDX_WATER_12,
5722
5723   EL_BDX_WATER_13,
5724   EL_BDX_WATER_14,
5725   EL_BDX_WATER_15,
5726   EL_BDX_WATER_16,
5727
5728   EL_BDX_BOMB_TICKING_1,
5729   EL_BDX_BOMB_TICKING_2,
5730   EL_BDX_BOMB_TICKING_3,
5731   EL_BDX_BOMB_TICKING_4,
5732
5733   EL_BDX_BOMB_TICKING_5,
5734   EL_BDX_BOMB_TICKING_6,
5735   EL_BDX_BOMB_TICKING_7,
5736   EL_EMPTY,
5737
5738   EL_BDX_BOMB_EXPLODING_1,
5739   EL_BDX_BOMB_EXPLODING_2,
5740   EL_BDX_BOMB_EXPLODING_3,
5741   EL_BDX_BOMB_EXPLODING_4,
5742
5743   EL_BDX_NUT_BREAKING_1,
5744   EL_BDX_NUT_BREAKING_2,
5745   EL_BDX_NUT_BREAKING_3,
5746   EL_BDX_NUT_BREAKING_4,
5747
5748   EL_BDX_EXPLODING_1,
5749   EL_BDX_EXPLODING_2,
5750   EL_BDX_EXPLODING_3,
5751   EL_BDX_EXPLODING_4,
5752
5753   EL_BDX_EXPLODING_5,
5754   EL_BDX_TIME_PENALTY,
5755   EL_BDX_DIAMOND_GROWING_1,
5756   EL_BDX_DIAMOND_GROWING_2,
5757
5758   EL_BDX_DIAMOND_GROWING_3,
5759   EL_BDX_DIAMOND_GROWING_4,
5760   EL_BDX_DIAMOND_GROWING_5,
5761   EL_BDX_NITRO_PACK_EXPLODING,
5762
5763   EL_BDX_NITRO_PACK_EXPLODING_1,
5764   EL_BDX_NITRO_PACK_EXPLODING_2,
5765   EL_BDX_NITRO_PACK_EXPLODING_3,
5766   EL_BDX_NITRO_PACK_EXPLODING_4,
5767
5768   EL_BDX_ROCK_GROWING_1,
5769   EL_BDX_ROCK_GROWING_2,
5770   EL_BDX_ROCK_GROWING_3,
5771   EL_BDX_ROCK_GROWING_4,
5772
5773   EL_BDX_STEELWALL_GROWING_1,
5774   EL_BDX_STEELWALL_GROWING_2,
5775   EL_BDX_STEELWALL_GROWING_3,
5776   EL_BDX_STEELWALL_GROWING_4,
5777
5778   EL_BDX_CLOCK_GROWING_1,
5779   EL_BDX_CLOCK_GROWING_2,
5780   EL_BDX_CLOCK_GROWING_3,
5781   EL_BDX_CLOCK_GROWING_4,
5782
5783   EL_BDX_GHOST_EXPLODING_1,
5784   EL_BDX_GHOST_EXPLODING_2,
5785   EL_BDX_GHOST_EXPLODING_3,
5786   EL_BDX_GHOST_EXPLODING_4,
5787 };
5788 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5789 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5790 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5791 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5792
5793 static int editor_hl_emerald_mine[] =
5794 {
5795   EL_INTERNAL_CASCADE_EM_ACTIVE,
5796   EL_CHAR('E'),
5797   EL_CHAR('M'),
5798   EL_EMPTY,
5799 };
5800
5801 static int editor_el_emerald_mine[] =
5802 {
5803   EL_SAND,
5804   EL_ROCK,
5805   EL_QUICKSAND_EMPTY,
5806   EL_QUICKSAND_FULL,
5807
5808   EL_STEELWALL,
5809   EL_WALL,
5810   EL_WALL_SLIPPERY,
5811   EL_MAGIC_WALL,
5812
5813   EL_EMERALD,
5814   EL_DIAMOND,
5815   EL_NUT,
5816   EL_BOMB,
5817
5818   EL_EM_DYNAMITE,
5819   EL_EM_DYNAMITE_ACTIVE,
5820   EL_EM_EXIT_CLOSED,
5821   EL_EM_EXIT_OPEN,
5822
5823   EL_YAMYAM_UP,
5824   EL_BUG_UP,
5825   EL_SPACESHIP_UP,
5826   EL_ROBOT,
5827
5828   EL_BUG_LEFT,
5829   EL_SPACESHIP_LEFT,
5830   EL_BUG_RIGHT,
5831   EL_SPACESHIP_RIGHT,
5832
5833   EL_ROBOT_WHEEL,
5834   EL_BUG_DOWN,
5835   EL_SPACESHIP_DOWN,
5836   EL_INVISIBLE_WALL,
5837
5838   EL_ACID_POOL_TOPLEFT,
5839   EL_ACID,
5840   EL_ACID_POOL_TOPRIGHT,
5841   EL_AMOEBA_DROP,
5842
5843   EL_ACID_POOL_BOTTOMLEFT,
5844   EL_ACID_POOL_BOTTOM,
5845   EL_ACID_POOL_BOTTOMRIGHT,
5846   EL_AMOEBA_WET,
5847
5848   EL_EM_KEY_1,
5849   EL_EM_KEY_2,
5850   EL_EM_KEY_3,
5851   EL_EM_KEY_4,
5852
5853   EL_EM_GATE_1,
5854   EL_EM_GATE_2,
5855   EL_EM_GATE_3,
5856   EL_EM_GATE_4,
5857
5858   EL_EM_GATE_1_GRAY,
5859   EL_EM_GATE_2_GRAY,
5860   EL_EM_GATE_3_GRAY,
5861   EL_EM_GATE_4_GRAY,
5862 };
5863 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5864 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5865 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5866 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5867
5868 static int editor_hl_emerald_mine_club[] =
5869 {
5870   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5871   EL_CHAR('E'),
5872   EL_CHAR('M'),
5873   EL_CHAR('C'),
5874 };
5875
5876 static int editor_el_emerald_mine_club[] =
5877 {
5878   EL_EMC_KEY_5,
5879   EL_EMC_KEY_6,
5880   EL_EMC_KEY_7,
5881   EL_EMC_KEY_8,
5882
5883   EL_EMC_GATE_5,
5884   EL_EMC_GATE_6,
5885   EL_EMC_GATE_7,
5886   EL_EMC_GATE_8,
5887
5888   EL_EMC_GATE_5_GRAY,
5889   EL_EMC_GATE_6_GRAY,
5890   EL_EMC_GATE_7_GRAY,
5891   EL_EMC_GATE_8_GRAY,
5892
5893   EL_EMC_STEELWALL_1,
5894   EL_EMC_STEELWALL_2,
5895   EL_EMC_STEELWALL_3,
5896   EL_EMC_STEELWALL_4,
5897
5898   EL_EMC_WALL_13,
5899   EL_EMC_WALL_14,
5900   EL_EMC_WALL_15,
5901   EL_EMC_WALL_16,
5902
5903   EL_EMC_WALL_SLIPPERY_1,
5904   EL_EMC_WALL_SLIPPERY_2,
5905   EL_EMC_WALL_SLIPPERY_3,
5906   EL_EMC_WALL_SLIPPERY_4,
5907
5908   EL_EMC_WALL_1,
5909   EL_EMC_WALL_2,
5910   EL_EMC_WALL_3,
5911   EL_EMC_WALL_4,
5912
5913   EL_EMC_WALL_5,
5914   EL_EMC_WALL_6,
5915   EL_EMC_WALL_7,
5916   EL_EMC_WALL_8,
5917
5918   EL_EMC_WALL_9,
5919   EL_EMC_WALL_10,
5920   EL_EMC_WALL_11,
5921   EL_EMC_WALL_12,
5922
5923   EL_EMC_GRASS,
5924   EL_EMC_FAKE_GRASS,
5925   EL_EMC_PLANT,
5926   EL_EMC_DRIPPER,
5927
5928   EL_EMC_MAGIC_BALL,
5929   EL_EMC_MAGIC_BALL_SWITCH,
5930   EL_EMC_LENSES,
5931   EL_EMC_MAGNIFIER,
5932
5933   EL_SPRING_LEFT,
5934   EL_SPRING,
5935   EL_SPRING_RIGHT,
5936   EL_EMC_SPRING_BUMPER,
5937
5938   EL_BALLOON,
5939   EL_YAMYAM_UP,
5940   EL_BALLOON_SWITCH_UP,
5941   EL_BALLOON_SWITCH_ANY,
5942
5943   EL_YAMYAM_LEFT,
5944   EL_BALLOON_SWITCH_LEFT,
5945   EL_YAMYAM_RIGHT,
5946   EL_BALLOON_SWITCH_RIGHT,
5947
5948   EL_EMC_ANDROID,
5949   EL_YAMYAM_DOWN,
5950   EL_BALLOON_SWITCH_DOWN,
5951   EL_BALLOON_SWITCH_NONE,
5952 };
5953 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5954 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5955 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5956 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5957
5958 static int editor_hl_rnd[] =
5959 {
5960   EL_INTERNAL_CASCADE_RND_ACTIVE,
5961   EL_CHAR('R'),
5962   EL_CHAR('N'),
5963   EL_CHAR('D'),
5964 };
5965
5966 static int editor_el_rnd[] =
5967 {
5968   EL_DYNAMITE,                  // RND
5969   EL_DYNAMITE_ACTIVE,           // RND
5970   EL_EMPTY,
5971   EL_EMPTY,
5972
5973   EL_KEY_1,
5974   EL_KEY_2,
5975   EL_KEY_3,
5976   EL_KEY_4,
5977
5978   EL_GATE_1,
5979   EL_GATE_2,
5980   EL_GATE_3,
5981   EL_GATE_4,
5982
5983   EL_GATE_1_GRAY,
5984   EL_GATE_2_GRAY,
5985   EL_GATE_3_GRAY,
5986   EL_GATE_4_GRAY,
5987
5988   EL_ARROW_LEFT,
5989   EL_ARROW_RIGHT,
5990   EL_ARROW_UP,
5991   EL_ARROW_DOWN,
5992
5993   EL_AMOEBA_DEAD,
5994   EL_AMOEBA_DRY,
5995   EL_AMOEBA_FULL,
5996   EL_GAME_OF_LIFE,
5997
5998   EL_EMERALD_YELLOW,
5999   EL_EMERALD_RED,
6000   EL_EMERALD_PURPLE,
6001   EL_BIOMAZE,
6002
6003   EL_WALL_EMERALD_YELLOW,
6004   EL_WALL_EMERALD_RED,
6005   EL_WALL_EMERALD_PURPLE,
6006   EL_WALL_BD_DIAMOND,
6007
6008   EL_SPEED_PILL,
6009   EL_PACMAN_UP,
6010   EL_TIME_ORB_FULL,
6011   EL_TIME_ORB_EMPTY,
6012
6013   EL_PACMAN_LEFT,
6014   EL_DARK_YAMYAM,
6015   EL_PACMAN_RIGHT,
6016   EL_YAMYAM,                    // RND
6017
6018   EL_BLACK_ORB,
6019   EL_PACMAN_DOWN,
6020   EL_LAMP,
6021   EL_LAMP_ACTIVE,
6022
6023   EL_DYNABOMB_INCREASE_NUMBER,
6024   EL_DYNABOMB_INCREASE_SIZE,
6025   EL_DYNABOMB_INCREASE_POWER,
6026   EL_STONEBLOCK,
6027
6028   EL_MOLE,
6029   EL_PENGUIN,
6030   EL_PIG,
6031   EL_DRAGON,
6032
6033   EL_BUG,
6034   EL_MOLE_UP,
6035   EL_BD_BUTTERFLY,
6036   EL_BD_FIREFLY,
6037
6038   EL_MOLE_LEFT,
6039   EL_SATELLITE,
6040   EL_MOLE_RIGHT,
6041   EL_PACMAN,
6042
6043   EL_SPACESHIP,
6044   EL_MOLE_DOWN,
6045   EL_INVISIBLE_STEELWALL,
6046   EL_INVISIBLE_WALL,
6047
6048   EL_EXPANDABLE_WALL,
6049   EL_EXPANDABLE_WALL_HORIZONTAL,
6050   EL_EXPANDABLE_WALL_VERTICAL,
6051   EL_EXPANDABLE_WALL_ANY,
6052 };
6053 static int *editor_hl_rnd_ptr = editor_hl_rnd;
6054 static int *editor_el_rnd_ptr = editor_el_rnd;
6055 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
6056 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
6057
6058 static int editor_hl_sokoban[] =
6059 {
6060   EL_INTERNAL_CASCADE_SB_ACTIVE,
6061   EL_CHAR('S'),
6062   EL_CHAR('B'),
6063   EL_EMPTY,
6064 };
6065
6066 static int editor_el_sokoban[] =
6067 {
6068   EL_SOKOBAN_OBJECT,
6069   EL_SOKOBAN_FIELD_EMPTY,
6070   EL_SOKOBAN_FIELD_FULL,
6071   EL_SOKOBAN_FIELD_PLAYER,
6072 };
6073 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
6074 static int *editor_el_sokoban_ptr = editor_el_sokoban;
6075 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
6076 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
6077
6078 static int editor_hl_supaplex[] =
6079 {
6080   EL_INTERNAL_CASCADE_SP_ACTIVE,
6081   EL_CHAR('S'),
6082   EL_CHAR('P'),
6083   EL_EMPTY,
6084 };
6085
6086 static int editor_el_supaplex[] =
6087 {
6088   EL_SP_MURPHY,
6089   EL_EMPTY,
6090   EL_SP_BASE,
6091   EL_SP_BUGGY_BASE,
6092
6093   EL_SP_INFOTRON,
6094   EL_SP_ZONK,
6095   EL_SP_SNIKSNAK,
6096   EL_SP_ELECTRON,
6097
6098   EL_SP_DISK_RED,
6099   EL_SP_DISK_ORANGE,
6100   EL_SP_DISK_YELLOW,
6101   EL_SP_TERMINAL,
6102
6103   EL_SP_EXIT_CLOSED,
6104   EL_SP_PORT_HORIZONTAL,
6105   EL_SP_PORT_VERTICAL,
6106   EL_SP_PORT_ANY,
6107
6108   EL_SP_PORT_LEFT,
6109   EL_SP_PORT_RIGHT,
6110   EL_SP_PORT_UP,
6111   EL_SP_PORT_DOWN,
6112
6113   EL_SP_GRAVITY_PORT_LEFT,
6114   EL_SP_GRAVITY_PORT_RIGHT,
6115   EL_SP_GRAVITY_PORT_UP,
6116   EL_SP_GRAVITY_PORT_DOWN,
6117
6118   EL_SP_GRAVITY_ON_PORT_LEFT,
6119   EL_SP_GRAVITY_ON_PORT_RIGHT,
6120   EL_SP_GRAVITY_ON_PORT_UP,
6121   EL_SP_GRAVITY_ON_PORT_DOWN,
6122
6123   EL_SP_GRAVITY_OFF_PORT_LEFT,
6124   EL_SP_GRAVITY_OFF_PORT_RIGHT,
6125   EL_SP_GRAVITY_OFF_PORT_UP,
6126   EL_SP_GRAVITY_OFF_PORT_DOWN,
6127
6128   EL_SP_HARDWARE_GRAY,
6129   EL_SP_HARDWARE_GREEN,
6130   EL_SP_HARDWARE_BLUE,
6131   EL_SP_HARDWARE_RED,
6132
6133   EL_SP_HARDWARE_BASE_1,
6134   EL_SP_HARDWARE_BASE_2,
6135   EL_SP_HARDWARE_BASE_3,
6136   EL_SP_HARDWARE_BASE_4,
6137
6138   EL_SP_HARDWARE_BASE_5,
6139   EL_SP_HARDWARE_BASE_6,
6140   EL_SP_HARDWARE_YELLOW,
6141   EL_SP_CHIP_TOP,
6142
6143   EL_SP_CHIP_SINGLE,
6144   EL_SP_CHIP_LEFT,
6145   EL_SP_CHIP_RIGHT,
6146   EL_SP_CHIP_BOTTOM,
6147 };
6148 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
6149 static int *editor_el_supaplex_ptr = editor_el_supaplex;
6150 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
6151 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
6152
6153 static int editor_hl_diamond_caves[] =
6154 {
6155   EL_INTERNAL_CASCADE_DC_ACTIVE,
6156   EL_CHAR('D'),
6157   EL_CHAR('C'),
6158   EL_CHAR('2'),
6159 };
6160
6161 static int editor_el_diamond_caves[] =
6162 {
6163   EL_EM_STEEL_EXIT_CLOSED,      // DC2
6164   EL_EM_STEEL_EXIT_OPEN,        // DC2
6165   EL_WALL_EMERALD,              // DC2
6166   EL_WALL_DIAMOND,              // DC2
6167
6168   EL_PEARL,
6169   EL_CRYSTAL,
6170   EL_WALL_PEARL,
6171   EL_WALL_CRYSTAL,
6172
6173   EL_CONVEYOR_BELT_1_LEFT,
6174   EL_CONVEYOR_BELT_1_MIDDLE,
6175   EL_CONVEYOR_BELT_1_RIGHT,
6176   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
6177
6178   EL_CONVEYOR_BELT_2_LEFT,
6179   EL_CONVEYOR_BELT_2_MIDDLE,
6180   EL_CONVEYOR_BELT_2_RIGHT,
6181   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
6182
6183   EL_CONVEYOR_BELT_3_LEFT,
6184   EL_CONVEYOR_BELT_3_MIDDLE,
6185   EL_CONVEYOR_BELT_3_RIGHT,
6186   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
6187
6188   EL_CONVEYOR_BELT_4_LEFT,
6189   EL_CONVEYOR_BELT_4_MIDDLE,
6190   EL_CONVEYOR_BELT_4_RIGHT,
6191   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
6192
6193   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
6194   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
6195   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
6196   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
6197
6198   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
6199   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
6200   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
6201   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
6202
6203   EL_TIMEGATE_CLOSED,
6204   EL_TIMEGATE_OPEN,
6205   EL_TIMEGATE_SWITCH,
6206   EL_DC_TIMEGATE_SWITCH,
6207
6208   EL_SWITCHGATE_CLOSED,
6209   EL_SWITCHGATE_OPEN,
6210   EL_SWITCHGATE_SWITCH_UP,
6211   EL_SWITCHGATE_SWITCH_DOWN,
6212
6213   EL_LIGHT_SWITCH,
6214   EL_LIGHT_SWITCH_ACTIVE,
6215   EL_DC_SWITCHGATE_SWITCH_UP,
6216   EL_DC_SWITCHGATE_SWITCH_DOWN,
6217
6218   EL_STEEL_EXIT_CLOSED,
6219   EL_STEEL_EXIT_OPEN,
6220   EL_STEELWALL_SLIPPERY,
6221   EL_INVISIBLE_SAND,
6222
6223   EL_QUICKSAND_FAST_EMPTY,
6224   EL_QUICKSAND_FAST_FULL,
6225   EL_LANDMINE,
6226   EL_DC_LANDMINE,
6227
6228   EL_SHIELD_NORMAL,
6229   EL_SHIELD_DEADLY,
6230   EL_EXTRA_TIME,
6231   EL_DC_MAGIC_WALL,
6232
6233   EL_ENVELOPE_1,
6234   EL_ENVELOPE_2,
6235   EL_ENVELOPE_3,
6236   EL_ENVELOPE_4,
6237
6238   EL_SIGN_RADIOACTIVITY,
6239   EL_SIGN_WHEELCHAIR,
6240   EL_SIGN_PARKING,
6241   EL_SIGN_NO_ENTRY,
6242
6243   EL_SIGN_GIVE_WAY,
6244   EL_SIGN_ENTRY_FORBIDDEN,
6245   EL_SIGN_EMERGENCY_EXIT,
6246   EL_SIGN_YIN_YANG,
6247
6248 #if 0
6249   EL_SIGN_SPERMS,
6250   EL_SIGN_BULLET,
6251   EL_SIGN_HEART,
6252   EL_SIGN_CROSS,
6253
6254   EL_SIGN_FRANKIE,
6255   EL_EMPTY,
6256   EL_EMPTY,
6257   EL_EMPTY,
6258
6259   EL_SPERMS,
6260   EL_BULLET,
6261   EL_HEART,
6262   EL_CROSS,
6263
6264   EL_FRANKIE,
6265   EL_EMPTY,
6266   EL_EMPTY,
6267   EL_EMPTY,
6268 #endif
6269
6270   EL_DC_STEELWALL_2_SINGLE,
6271   EL_DC_STEELWALL_2_TOP,
6272   EL_SIGN_EXCLAMATION,
6273   EL_SIGN_STOP,
6274
6275   EL_DC_STEELWALL_2_LEFT,
6276   EL_DC_STEELWALL_2_MIDDLE,
6277   EL_DC_STEELWALL_2_HORIZONTAL,
6278   EL_DC_STEELWALL_2_RIGHT,
6279
6280   EL_DC_STEELWALL_1_TOPLEFT,
6281   EL_DC_STEELWALL_2_VERTICAL,
6282   EL_DC_STEELWALL_1_TOPRIGHT,
6283   EL_DC_GATE_WHITE,
6284
6285   EL_DC_STEELWALL_1_VERTICAL,
6286   EL_DC_STEELWALL_2_BOTTOM,
6287   EL_DC_KEY_WHITE,
6288   EL_DC_GATE_WHITE_GRAY,
6289
6290   EL_DC_STEELWALL_1_BOTTOMLEFT,
6291   EL_DC_STEELWALL_1_HORIZONTAL,
6292   EL_DC_STEELWALL_1_BOTTOMRIGHT,
6293   EL_DC_GATE_FAKE_GRAY,
6294
6295   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
6296   EL_DC_STEELWALL_1_BOTTOM,
6297   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
6298   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
6299
6300   EL_DC_STEELWALL_1_RIGHT,
6301   EL_EMPTY,
6302   EL_DC_STEELWALL_1_LEFT,
6303   EL_EXPANDABLE_STEELWALL_VERTICAL,
6304
6305   EL_DC_STEELWALL_1_TOPRIGHT_2,
6306   EL_DC_STEELWALL_1_TOP,
6307   EL_DC_STEELWALL_1_TOPLEFT_2,
6308   EL_EXPANDABLE_STEELWALL_ANY,
6309 };
6310 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
6311 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
6312 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
6313 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
6314
6315 static int editor_hl_dx_boulderdash[] =
6316 {
6317   EL_INTERNAL_CASCADE_DX_ACTIVE,
6318   EL_CHAR('D'),
6319   EL_CHAR('X'),
6320   EL_EMPTY,
6321 };
6322
6323 static int editor_el_dx_boulderdash[] =
6324 {
6325   EL_EMPTY,
6326   EL_TUBE_RIGHT_DOWN,
6327   EL_TUBE_HORIZONTAL_DOWN,
6328   EL_TUBE_LEFT_DOWN,
6329
6330   EL_TUBE_HORIZONTAL,
6331   EL_TUBE_VERTICAL_RIGHT,
6332   EL_TUBE_ANY,
6333   EL_TUBE_VERTICAL_LEFT,
6334
6335   EL_TUBE_VERTICAL,
6336   EL_TUBE_RIGHT_UP,
6337   EL_TUBE_HORIZONTAL_UP,
6338   EL_TUBE_LEFT_UP,
6339
6340   EL_TRAP,
6341   EL_DX_SUPABOMB,
6342   EL_EMPTY,
6343   EL_EMPTY
6344 };
6345 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
6346 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
6347 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
6348 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
6349
6350 static int editor_hl_mirror_magic[] =
6351 {
6352   EL_INTERNAL_CASCADE_MM_ACTIVE,
6353   EL_CHAR('M'),
6354   EL_CHAR('M'),
6355   EL_EMPTY,
6356 };
6357
6358 static int editor_el_mirror_magic[] =
6359 {
6360   EL_MM_MCDUFFIN_RIGHT,
6361   EL_MM_MCDUFFIN_UP,
6362   EL_MM_MCDUFFIN_LEFT,
6363   EL_MM_MCDUFFIN_DOWN,
6364
6365   EL_MM_MIRROR_START,
6366   EL_MM_MIRROR_FIXED_START,
6367   EL_MM_POLARIZER_START,
6368   EL_MM_POLARIZER_CROSS_START,
6369
6370   EL_MM_TELEPORTER_RED_START,
6371   EL_MM_TELEPORTER_YELLOW_START,
6372   EL_MM_TELEPORTER_GREEN_START,
6373   EL_MM_TELEPORTER_BLUE_START,
6374
6375   EL_MM_PRISM,
6376   EL_MM_FUSE_ACTIVE,
6377   EL_MM_PACMAN_RIGHT,
6378   EL_MM_EXIT_CLOSED,
6379
6380   EL_MM_KETTLE,
6381   EL_MM_BOMB,
6382   EL_MM_KEY,
6383   EL_MM_FUEL_FULL,
6384
6385   EL_MM_LIGHTBULB,
6386   EL_MM_LIGHTBULB_ACTIVE,
6387   EL_MM_GRAY_BALL,
6388   EL_MM_LIGHTBALL,
6389
6390   EL_MM_STEEL_WALL,
6391   EL_MM_WOODEN_WALL,
6392   EL_MM_ICE_WALL,
6393   EL_MM_AMOEBA_WALL,
6394
6395   EL_MM_STEEL_LOCK,
6396   EL_MM_WOODEN_LOCK,
6397   EL_MM_STEEL_BLOCK,
6398   EL_MM_WOODEN_BLOCK,
6399
6400   EL_MM_STEEL_GRID_FIXED_1,
6401   EL_MM_STEEL_GRID_FIXED_2,
6402   EL_MM_STEEL_GRID_FIXED_3,
6403   EL_MM_STEEL_GRID_FIXED_4,
6404
6405   EL_MM_WOODEN_GRID_FIXED_1,
6406   EL_MM_WOODEN_GRID_FIXED_2,
6407   EL_MM_WOODEN_GRID_FIXED_3,
6408   EL_MM_WOODEN_GRID_FIXED_4,
6409
6410   EL_MM_ENVELOPE_1,
6411   EL_MM_ENVELOPE_2,
6412   EL_MM_ENVELOPE_3,
6413   EL_MM_ENVELOPE_4
6414 };
6415 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
6416 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
6417 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
6418 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
6419
6420 static int editor_hl_deflektor[] =
6421 {
6422   EL_INTERNAL_CASCADE_DF_ACTIVE,
6423   EL_CHAR('D'),
6424   EL_CHAR('F'),
6425   EL_EMPTY,
6426 };
6427
6428 static int editor_el_deflektor[] =
6429 {
6430   EL_DF_LASER_RIGHT,
6431   EL_DF_LASER_UP,
6432   EL_DF_LASER_LEFT,
6433   EL_DF_LASER_DOWN,
6434
6435   EL_DF_RECEIVER_RIGHT,
6436   EL_DF_RECEIVER_UP,
6437   EL_DF_RECEIVER_LEFT,
6438   EL_DF_RECEIVER_DOWN,
6439
6440   EL_DF_MIRROR_START,
6441   EL_DF_MIRROR_ROTATING_START,
6442   EL_DF_MIRROR_FIXED_START,
6443   EL_DF_CELL,
6444
6445   EL_DF_FIBRE_OPTIC_RED_1,
6446   EL_DF_FIBRE_OPTIC_YELLOW_1,
6447   EL_DF_FIBRE_OPTIC_GREEN_1,
6448   EL_DF_FIBRE_OPTIC_BLUE_1,
6449
6450   EL_DF_STEEL_GRID_FIXED_START,
6451   EL_DF_STEEL_GRID_ROTATING_START,
6452   EL_DF_WOODEN_GRID_FIXED_START,
6453   EL_DF_WOODEN_GRID_ROTATING_START,
6454
6455   EL_DF_STEEL_WALL,
6456   EL_DF_WOODEN_WALL,
6457   EL_DF_REFRACTOR,
6458   EL_DF_MINE,
6459
6460   EL_DF_SLOPE_1,
6461   EL_DF_SLOPE_2,
6462   EL_DF_SLOPE_3,
6463   EL_DF_SLOPE_4
6464 };
6465 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
6466 static int *editor_el_deflektor_ptr = editor_el_deflektor;
6467 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
6468 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
6469
6470 static int editor_hl_chars[] =
6471 {
6472   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
6473   EL_CHAR('T'),
6474   EL_CHAR('X'),
6475   EL_CHAR('T'),
6476 };
6477
6478 static int editor_el_chars[] =
6479 {
6480   EL_CHAR(' '),
6481   EL_CHAR('!'),
6482   EL_CHAR('"'),
6483   EL_CHAR('#'),
6484
6485   EL_CHAR('$'),
6486   EL_CHAR('%'),
6487   EL_CHAR('&'),
6488   EL_CHAR('\''),
6489
6490   EL_CHAR('('),
6491   EL_CHAR(')'),
6492   EL_CHAR('*'),
6493   EL_CHAR('+'),
6494
6495   EL_CHAR(','),
6496   EL_CHAR('-'),
6497   EL_CHAR('.'),
6498   EL_CHAR('/'),
6499
6500   EL_CHAR('0'),
6501   EL_CHAR('1'),
6502   EL_CHAR('2'),
6503   EL_CHAR('3'),
6504
6505   EL_CHAR('4'),
6506   EL_CHAR('5'),
6507   EL_CHAR('6'),
6508   EL_CHAR('7'),
6509
6510   EL_CHAR('8'),
6511   EL_CHAR('9'),
6512   EL_CHAR(':'),
6513   EL_CHAR(';'),
6514
6515   EL_CHAR('<'),
6516   EL_CHAR('='),
6517   EL_CHAR('>'),
6518   EL_CHAR('?'),
6519
6520   EL_CHAR('@'),
6521   EL_CHAR('A'),
6522   EL_CHAR('B'),
6523   EL_CHAR('C'),
6524
6525   EL_CHAR('D'),
6526   EL_CHAR('E'),
6527   EL_CHAR('F'),
6528   EL_CHAR('G'),
6529
6530   EL_CHAR('H'),
6531   EL_CHAR('I'),
6532   EL_CHAR('J'),
6533   EL_CHAR('K'),
6534
6535   EL_CHAR('L'),
6536   EL_CHAR('M'),
6537   EL_CHAR('N'),
6538   EL_CHAR('O'),
6539
6540   EL_CHAR('P'),
6541   EL_CHAR('Q'),
6542   EL_CHAR('R'),
6543   EL_CHAR('S'),
6544
6545   EL_CHAR('T'),
6546   EL_CHAR('U'),
6547   EL_CHAR('V'),
6548   EL_CHAR('W'),
6549
6550   EL_CHAR('X'),
6551   EL_CHAR('Y'),
6552   EL_CHAR('Z'),
6553   EL_CHAR('['),
6554
6555   EL_CHAR('\\'),
6556   EL_CHAR(']'),
6557   EL_CHAR('^'),
6558   EL_CHAR('_'),
6559
6560   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6561   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6562   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6563   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6564
6565   EL_CHAR(CHAR_BYTE_DEGREE),
6566   EL_CHAR(CHAR_BYTE_REGISTERED),
6567   EL_CHAR(FONT_ASCII_CURSOR),
6568   EL_CHAR(FONT_ASCII_BUTTON),
6569
6570   EL_CHAR(FONT_ASCII_UP),
6571   EL_CHAR(FONT_ASCII_DOWN),
6572   EL_CHAR(' '),
6573   EL_CHAR(' ')
6574 };
6575 static int *editor_hl_chars_ptr = editor_hl_chars;
6576 static int *editor_el_chars_ptr = editor_el_chars;
6577 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6578 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6579
6580 static int editor_hl_steel_chars[] =
6581 {
6582   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6583   EL_STEEL_CHAR('T'),
6584   EL_STEEL_CHAR('X'),
6585   EL_STEEL_CHAR('T'),
6586 };
6587
6588 static int editor_el_steel_chars[] =
6589 {
6590   EL_STEEL_CHAR(' '),
6591   EL_STEEL_CHAR('!'),
6592   EL_STEEL_CHAR('"'),
6593   EL_STEEL_CHAR('#'),
6594
6595   EL_STEEL_CHAR('$'),
6596   EL_STEEL_CHAR('%'),
6597   EL_STEEL_CHAR('&'),
6598   EL_STEEL_CHAR('\''),
6599
6600   EL_STEEL_CHAR('('),
6601   EL_STEEL_CHAR(')'),
6602   EL_STEEL_CHAR('*'),
6603   EL_STEEL_CHAR('+'),
6604
6605   EL_STEEL_CHAR(','),
6606   EL_STEEL_CHAR('-'),
6607   EL_STEEL_CHAR('.'),
6608   EL_STEEL_CHAR('/'),
6609
6610   EL_STEEL_CHAR('0'),
6611   EL_STEEL_CHAR('1'),
6612   EL_STEEL_CHAR('2'),
6613   EL_STEEL_CHAR('3'),
6614
6615   EL_STEEL_CHAR('4'),
6616   EL_STEEL_CHAR('5'),
6617   EL_STEEL_CHAR('6'),
6618   EL_STEEL_CHAR('7'),
6619
6620   EL_STEEL_CHAR('8'),
6621   EL_STEEL_CHAR('9'),
6622   EL_STEEL_CHAR(':'),
6623   EL_STEEL_CHAR(';'),
6624
6625   EL_STEEL_CHAR('<'),
6626   EL_STEEL_CHAR('='),
6627   EL_STEEL_CHAR('>'),
6628   EL_STEEL_CHAR('?'),
6629
6630   EL_STEEL_CHAR('@'),
6631   EL_STEEL_CHAR('A'),
6632   EL_STEEL_CHAR('B'),
6633   EL_STEEL_CHAR('C'),
6634
6635   EL_STEEL_CHAR('D'),
6636   EL_STEEL_CHAR('E'),
6637   EL_STEEL_CHAR('F'),
6638   EL_STEEL_CHAR('G'),
6639
6640   EL_STEEL_CHAR('H'),
6641   EL_STEEL_CHAR('I'),
6642   EL_STEEL_CHAR('J'),
6643   EL_STEEL_CHAR('K'),
6644
6645   EL_STEEL_CHAR('L'),
6646   EL_STEEL_CHAR('M'),
6647   EL_STEEL_CHAR('N'),
6648   EL_STEEL_CHAR('O'),
6649
6650   EL_STEEL_CHAR('P'),
6651   EL_STEEL_CHAR('Q'),
6652   EL_STEEL_CHAR('R'),
6653   EL_STEEL_CHAR('S'),
6654
6655   EL_STEEL_CHAR('T'),
6656   EL_STEEL_CHAR('U'),
6657   EL_STEEL_CHAR('V'),
6658   EL_STEEL_CHAR('W'),
6659
6660   EL_STEEL_CHAR('X'),
6661   EL_STEEL_CHAR('Y'),
6662   EL_STEEL_CHAR('Z'),
6663   EL_STEEL_CHAR('['),
6664
6665   EL_STEEL_CHAR('\\'),
6666   EL_STEEL_CHAR(']'),
6667   EL_STEEL_CHAR('^'),
6668   EL_STEEL_CHAR('_'),
6669
6670   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6671   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6672   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6673   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6674
6675   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6676   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6677   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6678   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6679
6680   EL_STEEL_CHAR(FONT_ASCII_UP),
6681   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6682   EL_STEEL_CHAR(' '),
6683   EL_STEEL_CHAR(' ')
6684 };
6685 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6686 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6687 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6688 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6689
6690 static int editor_hl_custom[] =
6691 {
6692   EL_INTERNAL_CASCADE_CE_ACTIVE,
6693   EL_CHAR('C'),
6694   EL_CHAR('E'),
6695   EL_EMPTY,
6696 };
6697
6698 static int editor_el_custom[] =
6699 {
6700   EL_CUSTOM_START + 0,
6701   EL_CUSTOM_START + 1,
6702   EL_CUSTOM_START + 2,
6703   EL_CUSTOM_START + 3,
6704
6705   EL_CUSTOM_START + 4,
6706   EL_CUSTOM_START + 5,
6707   EL_CUSTOM_START + 6,
6708   EL_CUSTOM_START + 7,
6709
6710   EL_CUSTOM_START + 8,
6711   EL_CUSTOM_START + 9,
6712   EL_CUSTOM_START + 10,
6713   EL_CUSTOM_START + 11,
6714
6715   EL_CUSTOM_START + 12,
6716   EL_CUSTOM_START + 13,
6717   EL_CUSTOM_START + 14,
6718   EL_CUSTOM_START + 15,
6719
6720   EL_CUSTOM_START + 16,
6721   EL_CUSTOM_START + 17,
6722   EL_CUSTOM_START + 18,
6723   EL_CUSTOM_START + 19,
6724
6725   EL_CUSTOM_START + 20,
6726   EL_CUSTOM_START + 21,
6727   EL_CUSTOM_START + 22,
6728   EL_CUSTOM_START + 23,
6729
6730   EL_CUSTOM_START + 24,
6731   EL_CUSTOM_START + 25,
6732   EL_CUSTOM_START + 26,
6733   EL_CUSTOM_START + 27,
6734
6735   EL_CUSTOM_START + 28,
6736   EL_CUSTOM_START + 29,
6737   EL_CUSTOM_START + 30,
6738   EL_CUSTOM_START + 31,
6739
6740   EL_CUSTOM_START + 32,
6741   EL_CUSTOM_START + 33,
6742   EL_CUSTOM_START + 34,
6743   EL_CUSTOM_START + 35,
6744
6745   EL_CUSTOM_START + 36,
6746   EL_CUSTOM_START + 37,
6747   EL_CUSTOM_START + 38,
6748   EL_CUSTOM_START + 39,
6749
6750   EL_CUSTOM_START + 40,
6751   EL_CUSTOM_START + 41,
6752   EL_CUSTOM_START + 42,
6753   EL_CUSTOM_START + 43,
6754
6755   EL_CUSTOM_START + 44,
6756   EL_CUSTOM_START + 45,
6757   EL_CUSTOM_START + 46,
6758   EL_CUSTOM_START + 47,
6759
6760   EL_CUSTOM_START + 48,
6761   EL_CUSTOM_START + 49,
6762   EL_CUSTOM_START + 50,
6763   EL_CUSTOM_START + 51,
6764
6765   EL_CUSTOM_START + 52,
6766   EL_CUSTOM_START + 53,
6767   EL_CUSTOM_START + 54,
6768   EL_CUSTOM_START + 55,
6769
6770   EL_CUSTOM_START + 56,
6771   EL_CUSTOM_START + 57,
6772   EL_CUSTOM_START + 58,
6773   EL_CUSTOM_START + 59,
6774
6775   EL_CUSTOM_START + 60,
6776   EL_CUSTOM_START + 61,
6777   EL_CUSTOM_START + 62,
6778   EL_CUSTOM_START + 63,
6779
6780   EL_CUSTOM_START + 64,
6781   EL_CUSTOM_START + 65,
6782   EL_CUSTOM_START + 66,
6783   EL_CUSTOM_START + 67,
6784
6785   EL_CUSTOM_START + 68,
6786   EL_CUSTOM_START + 69,
6787   EL_CUSTOM_START + 70,
6788   EL_CUSTOM_START + 71,
6789
6790   EL_CUSTOM_START + 72,
6791   EL_CUSTOM_START + 73,
6792   EL_CUSTOM_START + 74,
6793   EL_CUSTOM_START + 75,
6794
6795   EL_CUSTOM_START + 76,
6796   EL_CUSTOM_START + 77,
6797   EL_CUSTOM_START + 78,
6798   EL_CUSTOM_START + 79,
6799
6800   EL_CUSTOM_START + 80,
6801   EL_CUSTOM_START + 81,
6802   EL_CUSTOM_START + 82,
6803   EL_CUSTOM_START + 83,
6804
6805   EL_CUSTOM_START + 84,
6806   EL_CUSTOM_START + 85,
6807   EL_CUSTOM_START + 86,
6808   EL_CUSTOM_START + 87,
6809
6810   EL_CUSTOM_START + 88,
6811   EL_CUSTOM_START + 89,
6812   EL_CUSTOM_START + 90,
6813   EL_CUSTOM_START + 91,
6814
6815   EL_CUSTOM_START + 92,
6816   EL_CUSTOM_START + 93,
6817   EL_CUSTOM_START + 94,
6818   EL_CUSTOM_START + 95,
6819
6820   EL_CUSTOM_START + 96,
6821   EL_CUSTOM_START + 97,
6822   EL_CUSTOM_START + 98,
6823   EL_CUSTOM_START + 99,
6824
6825   EL_CUSTOM_START + 100,
6826   EL_CUSTOM_START + 101,
6827   EL_CUSTOM_START + 102,
6828   EL_CUSTOM_START + 103,
6829
6830   EL_CUSTOM_START + 104,
6831   EL_CUSTOM_START + 105,
6832   EL_CUSTOM_START + 106,
6833   EL_CUSTOM_START + 107,
6834
6835   EL_CUSTOM_START + 108,
6836   EL_CUSTOM_START + 109,
6837   EL_CUSTOM_START + 110,
6838   EL_CUSTOM_START + 111,
6839
6840   EL_CUSTOM_START + 112,
6841   EL_CUSTOM_START + 113,
6842   EL_CUSTOM_START + 114,
6843   EL_CUSTOM_START + 115,
6844
6845   EL_CUSTOM_START + 116,
6846   EL_CUSTOM_START + 117,
6847   EL_CUSTOM_START + 118,
6848   EL_CUSTOM_START + 119,
6849
6850   EL_CUSTOM_START + 120,
6851   EL_CUSTOM_START + 121,
6852   EL_CUSTOM_START + 122,
6853   EL_CUSTOM_START + 123,
6854
6855   EL_CUSTOM_START + 124,
6856   EL_CUSTOM_START + 125,
6857   EL_CUSTOM_START + 126,
6858   EL_CUSTOM_START + 127,
6859
6860   EL_CUSTOM_START + 128,
6861   EL_CUSTOM_START + 129,
6862   EL_CUSTOM_START + 130,
6863   EL_CUSTOM_START + 131,
6864
6865   EL_CUSTOM_START + 132,
6866   EL_CUSTOM_START + 133,
6867   EL_CUSTOM_START + 134,
6868   EL_CUSTOM_START + 135,
6869
6870   EL_CUSTOM_START + 136,
6871   EL_CUSTOM_START + 137,
6872   EL_CUSTOM_START + 138,
6873   EL_CUSTOM_START + 139,
6874
6875   EL_CUSTOM_START + 140,
6876   EL_CUSTOM_START + 141,
6877   EL_CUSTOM_START + 142,
6878   EL_CUSTOM_START + 143,
6879
6880   EL_CUSTOM_START + 144,
6881   EL_CUSTOM_START + 145,
6882   EL_CUSTOM_START + 146,
6883   EL_CUSTOM_START + 147,
6884
6885   EL_CUSTOM_START + 148,
6886   EL_CUSTOM_START + 149,
6887   EL_CUSTOM_START + 150,
6888   EL_CUSTOM_START + 151,
6889
6890   EL_CUSTOM_START + 152,
6891   EL_CUSTOM_START + 153,
6892   EL_CUSTOM_START + 154,
6893   EL_CUSTOM_START + 155,
6894
6895   EL_CUSTOM_START + 156,
6896   EL_CUSTOM_START + 157,
6897   EL_CUSTOM_START + 158,
6898   EL_CUSTOM_START + 159,
6899
6900   EL_CUSTOM_START + 160,
6901   EL_CUSTOM_START + 161,
6902   EL_CUSTOM_START + 162,
6903   EL_CUSTOM_START + 163,
6904
6905   EL_CUSTOM_START + 164,
6906   EL_CUSTOM_START + 165,
6907   EL_CUSTOM_START + 166,
6908   EL_CUSTOM_START + 167,
6909
6910   EL_CUSTOM_START + 168,
6911   EL_CUSTOM_START + 169,
6912   EL_CUSTOM_START + 170,
6913   EL_CUSTOM_START + 171,
6914
6915   EL_CUSTOM_START + 172,
6916   EL_CUSTOM_START + 173,
6917   EL_CUSTOM_START + 174,
6918   EL_CUSTOM_START + 175,
6919
6920   EL_CUSTOM_START + 176,
6921   EL_CUSTOM_START + 177,
6922   EL_CUSTOM_START + 178,
6923   EL_CUSTOM_START + 179,
6924
6925   EL_CUSTOM_START + 180,
6926   EL_CUSTOM_START + 181,
6927   EL_CUSTOM_START + 182,
6928   EL_CUSTOM_START + 183,
6929
6930   EL_CUSTOM_START + 184,
6931   EL_CUSTOM_START + 185,
6932   EL_CUSTOM_START + 186,
6933   EL_CUSTOM_START + 187,
6934
6935   EL_CUSTOM_START + 188,
6936   EL_CUSTOM_START + 189,
6937   EL_CUSTOM_START + 190,
6938   EL_CUSTOM_START + 191,
6939
6940   EL_CUSTOM_START + 192,
6941   EL_CUSTOM_START + 193,
6942   EL_CUSTOM_START + 194,
6943   EL_CUSTOM_START + 195,
6944
6945   EL_CUSTOM_START + 196,
6946   EL_CUSTOM_START + 197,
6947   EL_CUSTOM_START + 198,
6948   EL_CUSTOM_START + 199,
6949
6950   EL_CUSTOM_START + 200,
6951   EL_CUSTOM_START + 201,
6952   EL_CUSTOM_START + 202,
6953   EL_CUSTOM_START + 203,
6954
6955   EL_CUSTOM_START + 204,
6956   EL_CUSTOM_START + 205,
6957   EL_CUSTOM_START + 206,
6958   EL_CUSTOM_START + 207,
6959
6960   EL_CUSTOM_START + 208,
6961   EL_CUSTOM_START + 209,
6962   EL_CUSTOM_START + 210,
6963   EL_CUSTOM_START + 211,
6964
6965   EL_CUSTOM_START + 212,
6966   EL_CUSTOM_START + 213,
6967   EL_CUSTOM_START + 214,
6968   EL_CUSTOM_START + 215,
6969
6970   EL_CUSTOM_START + 216,
6971   EL_CUSTOM_START + 217,
6972   EL_CUSTOM_START + 218,
6973   EL_CUSTOM_START + 219,
6974
6975   EL_CUSTOM_START + 220,
6976   EL_CUSTOM_START + 221,
6977   EL_CUSTOM_START + 222,
6978   EL_CUSTOM_START + 223,
6979
6980   EL_CUSTOM_START + 224,
6981   EL_CUSTOM_START + 225,
6982   EL_CUSTOM_START + 226,
6983   EL_CUSTOM_START + 227,
6984
6985   EL_CUSTOM_START + 228,
6986   EL_CUSTOM_START + 229,
6987   EL_CUSTOM_START + 230,
6988   EL_CUSTOM_START + 231,
6989
6990   EL_CUSTOM_START + 232,
6991   EL_CUSTOM_START + 233,
6992   EL_CUSTOM_START + 234,
6993   EL_CUSTOM_START + 235,
6994
6995   EL_CUSTOM_START + 236,
6996   EL_CUSTOM_START + 237,
6997   EL_CUSTOM_START + 238,
6998   EL_CUSTOM_START + 239,
6999
7000   EL_CUSTOM_START + 240,
7001   EL_CUSTOM_START + 241,
7002   EL_CUSTOM_START + 242,
7003   EL_CUSTOM_START + 243,
7004
7005   EL_CUSTOM_START + 244,
7006   EL_CUSTOM_START + 245,
7007   EL_CUSTOM_START + 246,
7008   EL_CUSTOM_START + 247,
7009
7010   EL_CUSTOM_START + 248,
7011   EL_CUSTOM_START + 249,
7012   EL_CUSTOM_START + 250,
7013   EL_CUSTOM_START + 251,
7014
7015   EL_CUSTOM_START + 252,
7016   EL_CUSTOM_START + 253,
7017   EL_CUSTOM_START + 254,
7018   EL_CUSTOM_START + 255
7019 };
7020 static int *editor_hl_custom_ptr = editor_hl_custom;
7021 static int *editor_el_custom_ptr = editor_el_custom;
7022 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
7023 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
7024
7025 static int editor_hl_group[] =
7026 {
7027   EL_INTERNAL_CASCADE_GE_ACTIVE,
7028   EL_CHAR('G'),
7029   EL_CHAR('E'),
7030   EL_EMPTY,
7031 };
7032
7033 static int editor_el_group[] =
7034 {
7035   EL_GROUP_START + 0,
7036   EL_GROUP_START + 1,
7037   EL_GROUP_START + 2,
7038   EL_GROUP_START + 3,
7039
7040   EL_GROUP_START + 4,
7041   EL_GROUP_START + 5,
7042   EL_GROUP_START + 6,
7043   EL_GROUP_START + 7,
7044
7045   EL_GROUP_START + 8,
7046   EL_GROUP_START + 9,
7047   EL_GROUP_START + 10,
7048   EL_GROUP_START + 11,
7049
7050   EL_GROUP_START + 12,
7051   EL_GROUP_START + 13,
7052   EL_GROUP_START + 14,
7053   EL_GROUP_START + 15,
7054
7055   EL_GROUP_START + 16,
7056   EL_GROUP_START + 17,
7057   EL_GROUP_START + 18,
7058   EL_GROUP_START + 19,
7059
7060   EL_GROUP_START + 20,
7061   EL_GROUP_START + 21,
7062   EL_GROUP_START + 22,
7063   EL_GROUP_START + 23,
7064
7065   EL_GROUP_START + 24,
7066   EL_GROUP_START + 25,
7067   EL_GROUP_START + 26,
7068   EL_GROUP_START + 27,
7069
7070   EL_GROUP_START + 28,
7071   EL_GROUP_START + 29,
7072   EL_GROUP_START + 30,
7073   EL_GROUP_START + 31
7074 };
7075 static int *editor_hl_group_ptr = editor_hl_group;
7076 static int *editor_el_group_ptr = editor_el_group;
7077 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
7078 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
7079
7080 static int editor_hl_empty_space[] =
7081 {
7082   EL_INTERNAL_CASCADE_ES_ACTIVE,
7083   EL_CHAR('E'),
7084   EL_CHAR('S'),
7085   EL_EMPTY,
7086 };
7087
7088 static int editor_el_empty_space[] =
7089 {
7090   EL_EMPTY_SPACE_1,
7091   EL_EMPTY_SPACE_2,
7092   EL_EMPTY_SPACE_3,
7093   EL_EMPTY_SPACE_4,
7094
7095   EL_EMPTY_SPACE_5,
7096   EL_EMPTY_SPACE_6,
7097   EL_EMPTY_SPACE_7,
7098   EL_EMPTY_SPACE_8,
7099
7100   EL_EMPTY_SPACE_9,
7101   EL_EMPTY_SPACE_10,
7102   EL_EMPTY_SPACE_11,
7103   EL_EMPTY_SPACE_12,
7104
7105   EL_EMPTY_SPACE_13,
7106   EL_EMPTY_SPACE_14,
7107   EL_EMPTY_SPACE_15,
7108   EL_EMPTY_SPACE_16
7109 };
7110 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
7111 static int *editor_el_empty_space_ptr = editor_el_empty_space;
7112 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
7113 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
7114
7115 static int editor_hl_reference[] =
7116 {
7117   EL_INTERNAL_CASCADE_REF_ACTIVE,
7118   EL_CHAR('R'),
7119   EL_CHAR('E'),
7120   EL_CHAR('F')
7121 };
7122
7123 static int editor_el_reference[] =
7124 {
7125   EL_TRIGGER_PLAYER,
7126   EL_TRIGGER_ELEMENT,
7127   EL_TRIGGER_CE_VALUE,
7128   EL_TRIGGER_CE_SCORE,
7129
7130   EL_SELF,
7131   EL_ANY_ELEMENT,
7132   EL_CURRENT_CE_VALUE,
7133   EL_CURRENT_CE_SCORE,
7134
7135   EL_PREV_CE_8,
7136   EL_PREV_CE_7,
7137   EL_PREV_CE_6,
7138   EL_PREV_CE_5,
7139
7140   EL_PREV_CE_4,
7141   EL_PREV_CE_3,
7142   EL_PREV_CE_2,
7143   EL_PREV_CE_1,
7144
7145   EL_NEXT_CE_1,
7146   EL_NEXT_CE_2,
7147   EL_NEXT_CE_3,
7148   EL_NEXT_CE_4,
7149
7150   EL_NEXT_CE_5,
7151   EL_NEXT_CE_6,
7152   EL_NEXT_CE_7,
7153   EL_NEXT_CE_8,
7154 };
7155 static int *editor_hl_reference_ptr = editor_hl_reference;
7156 static int *editor_el_reference_ptr = editor_el_reference;
7157 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
7158 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
7159
7160 static int editor_hl_user_defined[] =
7161 {
7162   EL_INTERNAL_CASCADE_USER_ACTIVE,
7163   EL_CHAR('M'),
7164   EL_CHAR('Y'),
7165   EL_EMPTY,
7166 };
7167
7168 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
7169 static int *editor_el_user_defined_ptr = NULL;
7170 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
7171 static int num_editor_el_user_defined = 0;
7172
7173 static int editor_hl_dynamic[] =
7174 {
7175   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
7176   EL_CHAR('U'),
7177   EL_CHAR('S'),
7178   EL_CHAR('E'),
7179 };
7180
7181 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
7182 static int *editor_el_dynamic_ptr = NULL;
7183 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
7184 static int num_editor_el_dynamic = 0;
7185
7186 static int editor_hl_empty[] = { EL_EMPTY };
7187 static int *editor_el_empty = NULL;     // dynamically allocated
7188
7189 static int *editor_hl_empty_ptr = editor_hl_empty;
7190 static int *editor_el_empty_ptr = NULL;
7191 static int num_editor_hl_empty = 0;
7192 static int num_editor_el_empty = 0;     // dynamically determined, if needed
7193
7194 static boolean use_el_empty = FALSE;
7195
7196 static int *editor_elements = NULL;     // dynamically allocated
7197 static int num_editor_elements = 0;     // dynamically determined
7198
7199 static boolean setup_editor_cascade_never = FALSE;
7200
7201 static boolean setup_editor_el_players                  = TRUE;
7202 static boolean setup_editor_el_boulderdash              = TRUE;
7203 static boolean setup_editor_el_boulderdash_native       = TRUE;
7204 static boolean setup_editor_el_boulderdash_effects      = TRUE;
7205 static boolean setup_editor_el_emerald_mine             = TRUE;
7206 static boolean setup_editor_el_emerald_mine_club        = TRUE;
7207 static boolean setup_editor_el_more                     = TRUE;
7208 static boolean setup_editor_el_sokoban                  = TRUE;
7209 static boolean setup_editor_el_supaplex                 = TRUE;
7210 static boolean setup_editor_el_diamond_caves            = TRUE;
7211 static boolean setup_editor_el_dx_boulderdash           = TRUE;
7212 static boolean setup_editor_el_mirror_magic             = TRUE;
7213 static boolean setup_editor_el_deflektor                = TRUE;
7214 static boolean setup_editor_el_chars                    = TRUE;
7215 static boolean setup_editor_el_steel_chars              = TRUE;
7216 static boolean setup_editor_el_custom                   = TRUE;
7217 static boolean setup_editor_el_user_defined             = TRUE;
7218 static boolean setup_editor_el_dynamic                  = TRUE;
7219
7220 static int editor_hl_unused[] = { EL_EMPTY };
7221 static int *editor_hl_unused_ptr = editor_hl_unused;
7222 static int num_editor_hl_unused = 0;
7223
7224 static struct
7225 {
7226   boolean *setup_value;
7227   boolean *setup_cascade_value;
7228
7229   int **headline_list;
7230   int *headline_list_size;
7231
7232   int **element_list;
7233   int *element_list_size;
7234
7235   boolean last_setup_value;
7236 }
7237 editor_elements_info[] =
7238 {
7239   {
7240     &setup_editor_el_players,
7241     &setup_editor_cascade_never,
7242     &editor_hl_unused_ptr,              &num_editor_hl_unused,
7243     &editor_el_players_ptr,             &num_editor_el_players
7244   },
7245   {
7246     &setup_editor_el_boulderdash,
7247     &setup.editor_cascade.el_bd,
7248     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
7249     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
7250   },
7251   {
7252     &setup_editor_el_boulderdash_native,
7253     &setup.editor_cascade.el_bdx,
7254     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
7255     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
7256   },
7257   {
7258     &setup_editor_el_boulderdash_effects,
7259     &setup.editor_cascade.el_bdx_effects,
7260     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
7261     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
7262   },
7263   {
7264     &setup_editor_el_emerald_mine,
7265     &setup.editor_cascade.el_em,
7266     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
7267     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
7268   },
7269   {
7270     &setup_editor_el_emerald_mine_club,
7271     &setup.editor_cascade.el_emc,
7272     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
7273     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
7274   },
7275   {
7276     &setup_editor_el_more,
7277     &setup.editor_cascade.el_rnd,
7278     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
7279     &editor_el_rnd_ptr,                 &num_editor_el_rnd
7280   },
7281   {
7282     &setup_editor_el_sokoban,
7283     &setup.editor_cascade.el_sb,
7284     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
7285     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
7286   },
7287   {
7288     &setup_editor_el_supaplex,
7289     &setup.editor_cascade.el_sp,
7290     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
7291     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
7292   },
7293   {
7294     &setup_editor_el_diamond_caves,
7295     &setup.editor_cascade.el_dc,
7296     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
7297     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
7298   },
7299   {
7300     &setup_editor_el_dx_boulderdash,
7301     &setup.editor_cascade.el_dx,
7302     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
7303     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
7304   },
7305   {
7306     &setup_editor_el_mirror_magic,
7307     &setup.editor_cascade.el_mm,
7308     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
7309     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
7310   },
7311   {
7312     &setup_editor_el_deflektor,
7313     &setup.editor_cascade.el_df,
7314     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
7315     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
7316   },
7317   {
7318     &setup_editor_el_chars,
7319     &setup.editor_cascade.el_chars,
7320     &editor_hl_chars_ptr,               &num_editor_hl_chars,
7321     &editor_el_chars_ptr,               &num_editor_el_chars
7322   },
7323   {
7324     &setup_editor_el_steel_chars,
7325     &setup.editor_cascade.el_steel_chars,
7326     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
7327     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
7328   },
7329   {
7330     &setup_editor_el_custom,
7331     &setup.editor_cascade.el_ce,
7332     &editor_hl_custom_ptr,              &num_editor_hl_custom,
7333     &editor_el_custom_ptr,              &num_editor_el_custom
7334   },
7335   {
7336     &setup_editor_el_custom,
7337     &setup.editor_cascade.el_ge,
7338     &editor_hl_group_ptr,               &num_editor_hl_group,
7339     &editor_el_group_ptr,               &num_editor_el_group
7340   },
7341   {
7342     &setup_editor_el_custom,
7343     &setup.editor_cascade.el_es,
7344     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
7345     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
7346   },
7347   {
7348     &setup_editor_el_custom,
7349     &setup.editor_cascade.el_ref,
7350     &editor_hl_reference_ptr,           &num_editor_hl_reference,
7351     &editor_el_reference_ptr,           &num_editor_el_reference
7352   },
7353   {
7354     &setup_editor_el_user_defined,
7355     &setup.editor_cascade.el_user,
7356     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
7357     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
7358   },
7359   {
7360     &setup_editor_el_dynamic,
7361     &setup.editor_cascade.el_dynamic,
7362     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
7363     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
7364   },
7365   {
7366     &use_el_empty,
7367     &use_el_empty,
7368     &editor_hl_empty_ptr,               &num_editor_hl_empty,
7369     &editor_el_empty_ptr,               &num_editor_el_empty,
7370   },
7371   {
7372     NULL,
7373     NULL,
7374     NULL,                               NULL,
7375     NULL,                               NULL
7376   }
7377 };
7378
7379 static struct XY xy_directions[] =
7380 {
7381   { -1,  0 },
7382   { +1,  0 },
7383   {  0, -1 },
7384   {  0, +1 }
7385 };
7386
7387
7388 // ----------------------------------------------------------------------------
7389 // functions
7390 // ----------------------------------------------------------------------------
7391
7392 boolean isLevelEditorTestGame(void)
7393 {
7394   return level_editor_test_game;
7395 }
7396
7397 static int getMaxInfoTextLength(void)
7398 {
7399   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
7400 }
7401
7402 static int getTextWidthForGadget(char *text)
7403 {
7404   if (text == NULL)
7405     return 0;
7406
7407   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
7408 }
7409
7410 static int getTextWidthForDrawingArea(char *text)
7411 {
7412   if (text == NULL)
7413     return 0;
7414
7415   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
7416 }
7417
7418 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
7419 {
7420   return (gi->x + gi->width + getTextWidthForGadget(text));
7421 }
7422
7423 static char *getElementInfoText(int element)
7424 {
7425   char *info_text = NULL;
7426
7427   if (element < MAX_NUM_ELEMENTS)
7428   {
7429     if (strlen(element_info[element].description) > 0)
7430       info_text = element_info[element].description;
7431     else if (element_info[element].custom_description != NULL)
7432       info_text = element_info[element].custom_description;
7433     else if (element_info[element].editor_description != NULL)
7434       info_text = element_info[element].editor_description;
7435   }
7436
7437   if (info_text == NULL)
7438     info_text = INFOTEXT_UNKNOWN_ELEMENT;
7439
7440   return info_text;
7441 }
7442
7443 static char *getElementDescriptionFilenameExt(char *basename)
7444 {
7445   char *elements_subdir = ELEMENTS_DIRECTORY;
7446   static char *elements_subdir2 = NULL;
7447   static char *filename = NULL;
7448
7449   if (elements_subdir2 == NULL)
7450     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
7451
7452   checked_free(filename);
7453
7454   // 1st try: look for element description in current level set directory
7455   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
7456   if (fileExists(filename))
7457     return filename;
7458
7459   free(filename);
7460
7461   // 2nd try: look for element description in the game's base directory
7462   filename = getPath3(options.docs_directory, elements_subdir, basename);
7463   if (fileExists(filename))
7464     return filename;
7465
7466   return NULL;
7467 }
7468
7469 static char *getElementDescriptionFilename(int element)
7470 {
7471   char basename[MAX_FILENAME_LEN];
7472   char *filename;
7473
7474   // 1st try: look for element description file for exactly this element
7475   sprintf(basename, "%s.txt", element_info[element].token_name);
7476   filename = getElementDescriptionFilenameExt(basename);
7477   if (filename != NULL)
7478     return filename;
7479
7480   // 2nd try: look for element description file for this element's class
7481   sprintf(basename, "%s.txt", element_info[element].class_name);
7482   filename = getElementDescriptionFilenameExt(basename);
7483   if (filename != NULL)
7484     return filename;
7485
7486   // 3rd try: look for generic fallback text file for any element
7487   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
7488   if (filename != NULL)
7489     return filename;
7490
7491   return NULL;
7492 }
7493
7494 static boolean suppressBorderElement(void)
7495 {
7496   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
7497           lev_fieldx <= MAX_ED_FIELDX &&
7498           lev_fieldy <= MAX_ED_FIELDY);
7499 }
7500
7501 static void InitDynamicEditorElementList(int **elements, int *num_elements)
7502 {
7503   boolean element_found[NUM_FILE_ELEMENTS];
7504   int i, x, y;
7505
7506   // initialize list of used elements to "not used"
7507   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7508     element_found[i] = FALSE;
7509
7510   // find all elements used in current level
7511   for (y = 0; y < lev_fieldy; y++)
7512   {
7513     for (x = 0; x < lev_fieldx; x++)
7514     {
7515       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7516         continue;
7517
7518       if (IS_MM_WALL(Tile[x][y]))
7519         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7520       else
7521         element_found[Tile[x][y]] = TRUE;
7522     }
7523   }
7524
7525   *num_elements = 0;
7526
7527   // count number of elements used in current level
7528   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7529     if (element_found[i])
7530       (*num_elements)++;
7531
7532   // add space for up to 3 more elements for padding that may be needed
7533   *num_elements += 3;
7534
7535   // free memory for old list of elements, if needed
7536   checked_free(*elements);
7537
7538   // allocate memory for new list of elements
7539   *elements = checked_malloc(*num_elements * sizeof(int));
7540
7541   *num_elements = 0;
7542
7543   // add all elements used in current level (non-custom/group/empty elements)
7544   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7545     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7546                               IS_GROUP_ELEMENT(i) ||
7547                               IS_EMPTY_ELEMENT(i)))
7548       (*elements)[(*num_elements)++] = i;
7549
7550   // add all elements used in current level (custom/group/empty elements)
7551   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7552     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7553                              IS_GROUP_ELEMENT(i) ||
7554                              IS_EMPTY_ELEMENT(i)))
7555       (*elements)[(*num_elements)++] = i;
7556
7557   while (*num_elements % 4)     // pad with empty elements, if needed
7558     (*elements)[(*num_elements)++] = EL_EMPTY;
7559 }
7560
7561 static void ReinitializeElementList_EnableSections(void)
7562 {
7563   // default: enable all element sections
7564
7565   setup_editor_el_players               = TRUE;
7566   setup_editor_el_boulderdash           = TRUE;
7567   setup_editor_el_boulderdash_native    = TRUE;
7568   setup_editor_el_boulderdash_effects   = TRUE;
7569   setup_editor_el_emerald_mine          = TRUE;
7570   setup_editor_el_emerald_mine_club     = TRUE;
7571   setup_editor_el_more                  = TRUE;
7572   setup_editor_el_sokoban               = TRUE;
7573   setup_editor_el_supaplex              = TRUE;
7574   setup_editor_el_diamond_caves         = TRUE;
7575   setup_editor_el_dx_boulderdash        = TRUE;
7576   setup_editor_el_mirror_magic          = TRUE;
7577   setup_editor_el_deflektor             = TRUE;
7578   setup_editor_el_chars                 = TRUE;
7579   setup_editor_el_steel_chars           = TRUE;
7580
7581   setup_editor_el_custom                = TRUE;
7582   setup_editor_el_user_defined          = TRUE;
7583   setup_editor_el_dynamic               = TRUE;
7584
7585   // now disable all element sections not to be displayed
7586
7587   if (!setup.editor.el_classic)
7588   {
7589     setup_editor_el_players             = FALSE;
7590     setup_editor_el_boulderdash         = FALSE;
7591     setup_editor_el_boulderdash_native  = FALSE;
7592     setup_editor_el_boulderdash_effects = FALSE;
7593     setup_editor_el_emerald_mine        = FALSE;
7594     setup_editor_el_emerald_mine_club   = FALSE;
7595     setup_editor_el_more                = FALSE;
7596     setup_editor_el_sokoban             = FALSE;
7597     setup_editor_el_supaplex            = FALSE;
7598     setup_editor_el_diamond_caves       = FALSE;
7599     setup_editor_el_dx_boulderdash      = FALSE;
7600     setup_editor_el_mirror_magic        = FALSE;
7601     setup_editor_el_deflektor           = FALSE;
7602     setup_editor_el_chars               = FALSE;
7603     setup_editor_el_steel_chars         = FALSE;
7604   }
7605
7606   if (!setup.editor.el_custom)
7607   {
7608     setup_editor_el_custom              = FALSE;
7609   }
7610
7611   if (!setup.editor.el_user_defined)
7612   {
7613     setup_editor_el_user_defined        = FALSE;
7614   }
7615
7616   if (!setup.editor.el_dynamic)
7617   {
7618     setup_editor_el_dynamic             = FALSE;
7619   }
7620
7621   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7622   {
7623     setup_editor_el_boulderdash_native  = FALSE;
7624     setup_editor_el_boulderdash_effects = FALSE;
7625     setup_editor_el_mirror_magic        = FALSE;
7626     setup_editor_el_deflektor           = FALSE;
7627   }
7628   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7629   {
7630     setup_editor_el_players             = FALSE;
7631     setup_editor_el_boulderdash         = FALSE;
7632     setup_editor_el_emerald_mine        = FALSE;
7633     setup_editor_el_emerald_mine_club   = FALSE;
7634     setup_editor_el_more                = FALSE;
7635     setup_editor_el_sokoban             = FALSE;
7636     setup_editor_el_supaplex            = FALSE;
7637     setup_editor_el_diamond_caves       = FALSE;
7638     setup_editor_el_dx_boulderdash      = FALSE;
7639     setup_editor_el_mirror_magic        = FALSE;
7640     setup_editor_el_deflektor           = FALSE;
7641     setup_editor_el_chars               = FALSE;
7642     setup_editor_el_steel_chars         = FALSE;
7643
7644     setup_editor_el_custom              = FALSE;
7645   }
7646   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7647   {
7648     setup_editor_el_boulderdash         = FALSE;
7649     setup_editor_el_boulderdash_native  = FALSE;
7650     setup_editor_el_boulderdash_effects = FALSE;
7651     setup_editor_el_more                = FALSE;
7652     setup_editor_el_sokoban             = FALSE;
7653     setup_editor_el_supaplex            = FALSE;
7654     setup_editor_el_diamond_caves       = FALSE;
7655     setup_editor_el_dx_boulderdash      = FALSE;
7656     setup_editor_el_mirror_magic        = FALSE;
7657     setup_editor_el_deflektor           = FALSE;
7658     setup_editor_el_steel_chars         = FALSE;
7659
7660     setup_editor_el_custom              = FALSE;
7661   }
7662   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7663   {
7664     setup_editor_el_players             = FALSE;
7665     setup_editor_el_boulderdash         = FALSE;
7666     setup_editor_el_boulderdash_native  = FALSE;
7667     setup_editor_el_boulderdash_effects = FALSE;
7668     setup_editor_el_emerald_mine        = FALSE;
7669     setup_editor_el_emerald_mine_club   = FALSE;
7670     setup_editor_el_more                = FALSE;
7671     setup_editor_el_sokoban             = FALSE;
7672     setup_editor_el_diamond_caves       = FALSE;
7673     setup_editor_el_dx_boulderdash      = FALSE;
7674     setup_editor_el_mirror_magic        = FALSE;
7675     setup_editor_el_deflektor           = FALSE;
7676     setup_editor_el_chars               = FALSE;
7677     setup_editor_el_steel_chars         = FALSE;
7678
7679     setup_editor_el_custom              = FALSE;
7680   }
7681   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7682   {
7683     setup_editor_el_players             = FALSE;
7684     setup_editor_el_boulderdash         = FALSE;
7685     setup_editor_el_boulderdash_native  = FALSE;
7686     setup_editor_el_boulderdash_effects = FALSE;
7687     setup_editor_el_emerald_mine        = FALSE;
7688     setup_editor_el_emerald_mine_club   = FALSE;
7689     setup_editor_el_more                = FALSE;
7690     setup_editor_el_sokoban             = FALSE;
7691     setup_editor_el_supaplex            = FALSE;
7692     setup_editor_el_diamond_caves       = FALSE;
7693     setup_editor_el_dx_boulderdash      = FALSE;
7694     setup_editor_el_steel_chars         = FALSE;
7695
7696     setup_editor_el_custom              = FALSE;
7697   }
7698 }
7699
7700 static void ReinitializeElementList(void)
7701 {
7702   static boolean initialization_needed = TRUE;
7703   int pos = 0;
7704   int i, j;
7705
7706   ReinitializeElementList_EnableSections();
7707
7708   if (initialization_needed)
7709   {
7710     LoadSetup_EditorCascade();          // load last editor cascade state
7711
7712     // initialize editor cascade element from saved cascade state
7713     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7714     {
7715       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7716       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7717
7718       if (IS_EDITOR_CASCADE(*cascade_element))
7719         *cascade_element =
7720           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7721            EL_CASCADE_INACTIVE(*cascade_element));
7722     }
7723
7724     initialization_needed = FALSE;
7725   }
7726
7727   checked_free(editor_elements);
7728
7729   // reload optional user defined element list for each invocation of editor
7730   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7731                                    &num_editor_el_user_defined);
7732
7733   // initialize dynamic level element list for each invocation of editor
7734   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7735                                &num_editor_el_dynamic);
7736
7737   // initialize list of empty elements (used for padding, if needed)
7738   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7739     editor_el_empty[i] = EL_EMPTY;
7740
7741   // do some sanity checks for each element from element list
7742   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7743   {
7744     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7745     {
7746       int element = (*editor_elements_info[i].element_list)[j];
7747
7748       if (element >= NUM_FILE_ELEMENTS)
7749         Warn("editor element %d is runtime element", element);
7750
7751       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7752         Warn("no element description text for element %d", element);
7753     }
7754   }
7755
7756   num_editor_elements = 0;
7757   use_el_empty = FALSE;
7758
7759   // determine size of element list
7760   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7761   {
7762     if (*editor_elements_info[i].setup_value)
7763     {
7764       boolean found_inactive_cascade = FALSE;
7765
7766       if (setup.editor.el_headlines)
7767       {
7768         // required for correct padding of palette headline buttons
7769         if (*editor_elements_info[i].headline_list_size > 0)
7770           num_editor_elements += ED_ELEMENTLIST_COLS;
7771
7772         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7773         {
7774           int element = (*editor_elements_info[i].headline_list)[j];
7775
7776           if (IS_EDITOR_CASCADE_INACTIVE(element))
7777             found_inactive_cascade = TRUE;
7778         }
7779       }
7780
7781       if (found_inactive_cascade)
7782         continue;
7783
7784       // required for correct padding of palette element buttons
7785       int element_list_size = *editor_elements_info[i].element_list_size;
7786       int element_rows =
7787         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7788       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7789
7790       num_editor_elements += element_buttons;
7791     }
7792   }
7793
7794   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7795   {
7796     // offer at least as many elements as element buttons exist
7797     use_el_empty = TRUE;
7798     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7799
7800     num_editor_elements += num_editor_el_empty;
7801   }
7802   else
7803   {
7804     num_editor_el_empty = 0;
7805   }
7806
7807   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7808
7809   // fill element list
7810   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7811   {
7812     boolean found_inactive_cascade = FALSE;
7813
7814     if (*editor_elements_info[i].setup_value)
7815     {
7816       if (setup.editor.el_headlines)
7817       {
7818         // required for correct padding of palette headline buttons
7819         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7820                              ED_ELEMENTLIST_COLS : 0);
7821
7822         for (j = 0; j < headline_size; j++)
7823         {
7824           // use empty elements for padding of palette headline buttons
7825           int element = (j < *editor_elements_info[i].headline_list_size ?
7826                          (*editor_elements_info[i].headline_list)[j] :
7827                          editor_el_empty[0]);
7828
7829           editor_elements[pos++] = element;
7830
7831           if (IS_EDITOR_CASCADE_INACTIVE(element))
7832             found_inactive_cascade = TRUE;
7833         }
7834       }
7835
7836       if (found_inactive_cascade)
7837         continue;
7838
7839       // required for correct padding of palette element buttons
7840       int element_list_size = *editor_elements_info[i].element_list_size;
7841       int element_rows =
7842         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7843       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7844
7845       // copy all elements from element list
7846       for (j = 0; j < element_list_size; j++)
7847         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7848
7849       // use empty elements for padding of palette element buttons
7850       for (j = 0; j < element_buttons - element_list_size; j++)
7851         editor_elements[pos++] = editor_el_empty[0];
7852     }
7853   }
7854
7855   // (this function is also called before editor gadgets are initialized!)
7856   AdjustElementListScrollbar();
7857 }
7858
7859 void PrintEditorElementList(void)
7860 {
7861   boolean *stop = &setup_editor_el_user_defined;
7862   int i, j;
7863
7864   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7865   {
7866     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7867
7868     if (IS_EDITOR_CASCADE(cascade_element))
7869     {
7870       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7871       char *headline = element_info[cascade_element_show].editor_description;
7872
7873       PrintLineWithPrefix("# ", "-", 77);
7874       Print("# %s\n", headline);
7875       PrintLineWithPrefix("# ", "-", 77);
7876     }
7877
7878     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7879     {
7880       int element = (*editor_elements_info[i].headline_list)[j];
7881
7882       if (IS_EDITOR_CASCADE(element))
7883         element = EL_CHAR_MINUS;
7884
7885       Print("# %s\n", element_info[element].token_name);
7886     }
7887
7888     if (j > 0)
7889       Print("#\n");
7890
7891     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7892     {
7893       int element = (*editor_elements_info[i].element_list)[j];
7894
7895       Print("# %s\n", element_info[element].token_name);
7896     }
7897
7898     if (j > 0)
7899       Print("#\n");
7900   }
7901 }
7902
7903 static void ReinitializeElementListButtons(void)
7904 {
7905   static boolean last_setup_value_headlines = FALSE;
7906   static boolean initialization_needed = TRUE;
7907   int i;
7908
7909   if (!initialization_needed)   // check if editor element setup has changed
7910   {
7911     if (last_setup_value_headlines != setup.editor.el_headlines)
7912       initialization_needed = TRUE;
7913
7914     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7915       if (editor_elements_info[i].last_setup_value !=
7916           *editor_elements_info[i].setup_value)
7917         initialization_needed = TRUE;
7918   }
7919
7920   if (!initialization_needed)
7921     return;
7922
7923   FreeLevelEditorGadgets();
7924   CreateLevelEditorGadgets();
7925
7926   // store current setup values for next invocation of this function
7927   last_setup_value_headlines = setup.editor.el_headlines;
7928   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7929     editor_elements_info[i].last_setup_value =
7930       *editor_elements_info[i].setup_value;
7931
7932   initialization_needed = FALSE;
7933 }
7934
7935 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7936                               boolean input)
7937 {
7938   int border_graphic =
7939     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7940   struct GraphicInfo *g = &graphic_info[border_graphic];
7941   Bitmap *src_bitmap = g->bitmap;
7942   int src_x = g->src_x;
7943   int src_y = g->src_y;
7944   int border_size = g->border_size;
7945   int border_xpos = g->width  - border_size;
7946   int border_ypos = g->height - border_size;
7947   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7948   int i;
7949
7950   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7951              border_size, border_size,
7952              dest_x - border_size, dest_y - border_size);
7953   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7954              border_size, border_size,
7955              dest_x + width, dest_y - border_size);
7956   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7957              border_size, border_size,
7958              dest_x - border_size, dest_y + height);
7959   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7960              border_size, border_size,
7961              dest_x + width, dest_y + height);
7962
7963   for (i = 0; i < width / tilesize; i++)
7964   {
7965     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7966                tilesize, border_size,
7967                dest_x + i * tilesize, dest_y - border_size);
7968     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7969                tilesize, border_size,
7970                dest_x + i * tilesize, dest_y + height);
7971   }
7972
7973   for (i = 0; i < height / tilesize; i++)
7974   {
7975     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7976                border_size, tilesize,
7977                dest_x - border_size, dest_y + i * tilesize);
7978     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7979                border_size, tilesize,
7980                dest_x + width, dest_y + i * tilesize);
7981   }
7982
7983   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7984 }
7985
7986 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7987 {
7988   int xsize_tile = MAX(ed_tilesize, xsize);
7989   int ysize_tile = MAX(ed_tilesize, ysize);
7990   int xsize_full = xsize + 1;
7991   int ysize_full = ysize + 1;
7992   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7993   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7994   Pixel line_color = getTabulatorBarColor();
7995
7996   if (line_color == BLACK_PIXEL)                // black => transparent
7997     return;
7998
7999   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
8000   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
8001   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
8002 }
8003
8004 static void DrawEditorLevelBorderLinesIfNeeded(void)
8005 {
8006   int xsize = lev_fieldx * ed_tilesize;
8007   int ysize = lev_fieldy * ed_tilesize;
8008   int line_size = getTabulatorBarHeight();
8009
8010   if (!suppressBorderElement())
8011     return;
8012
8013   // draw little border line around editable level playfield
8014
8015   if (xsize < SXSIZE)
8016     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
8017
8018   if (ysize < SYSIZE)
8019     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
8020
8021   if (xsize < SXSIZE && ysize < SYSIZE)
8022     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
8023 }
8024
8025 static void DrawEditorElement(int x, int y, int element)
8026 {
8027   DrawSizedElement(x, y, element, ed_tilesize);
8028 }
8029
8030 static void DrawEditorElementThruMask(int x, int y, int element)
8031 {
8032   DrawSizedElementThruMask(x, y, element, ed_tilesize);
8033 }
8034
8035 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
8036 {
8037   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
8038 }
8039
8040 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
8041 {
8042   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
8043   DrawEditorLevelBorderLinesIfNeeded();
8044 }
8045
8046 static void DrawDrawingArea(int id)
8047 {
8048   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8049   int x, y;
8050
8051   int *value = drawingarea_info[id].value;
8052   int area_xsize = drawingarea_info[id].area_xsize;
8053   int area_ysize = drawingarea_info[id].area_ysize;
8054   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8055
8056   for (x = 0; x < area_xsize; x++)
8057   {
8058     for (y = 0; y < area_ysize; y++)
8059     {
8060       int element = value[x * area_ysize + y];
8061       int graphic;
8062       int frame;
8063
8064       el2edimg_with_frame(element, &graphic, &frame);
8065
8066       DrawSizedGraphicExt(drawto,
8067                           gi->x + x * tilesize,
8068                           gi->y + y * tilesize,
8069                           graphic, frame, tilesize);
8070     }
8071   }
8072 }
8073
8074 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
8075 {
8076   int x, y;
8077   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
8078   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
8079
8080   BlitBitmap(drawto, drawto,
8081              SX + (dx == -1 ? ed_tilesize : 0),
8082              SY + (dy == -1 ? ed_tilesize : 0),
8083              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
8084              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
8085              SX + (dx == +1 ? ed_tilesize : 0),
8086              SY + (dy == +1 ? ed_tilesize : 0));
8087
8088   if (dx)
8089   {
8090     x = (dx == 1 ? 0 : ed_fieldx - 1);
8091     for (y = 0; y < ed_fieldy; y++)
8092       DrawEditorElementOrWall(x, y, from_x, from_y);
8093   }
8094   else if (dy)
8095   {
8096     y = (dy == 1 ? 0 : ed_fieldy - 1);
8097     for (x = 0; x < ed_fieldx; x++)
8098       DrawEditorElementOrWall(x, y, from_x, from_y);
8099   }
8100
8101   redraw_mask |= REDRAW_FIELD;
8102   BackToFront();
8103 }
8104
8105 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
8106                                    int *x, int *y)
8107 {
8108   int graphic;
8109   int frame;
8110
8111   el2edimg_with_frame(element, &graphic, &frame);
8112
8113   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
8114 }
8115
8116 static void CreateControlButtons(void)
8117 {
8118   struct GadgetInfo *gi;
8119   int i;
8120
8121   // create toolbox buttons
8122   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8123   {
8124     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
8125     int id = controlbutton_info[i].gadget_id;
8126     int type = controlbutton_info[i].gadget_type;
8127     int graphic = controlbutton_info[i].graphic;
8128     struct XYTileSize *pos = controlbutton_info[i].pos;
8129     struct GraphicInfo *gd = &graphic_info[graphic];
8130     Bitmap *deco_bitmap = NULL;
8131     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
8132     int tile_size = 0, deco_shift = 0;
8133     boolean deco_masked = FALSE;
8134     int gd_x1 = gd->src_x;
8135     int gd_y1 = gd->src_y;
8136     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8137     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8138     int gd_x1a = gd->src_x + gd->active_xoffset;
8139     int gd_y1a = gd->src_y + gd->active_yoffset;
8140     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8141     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8142     int x = pos->x;
8143     int y = pos->y;
8144     unsigned int event_mask;
8145     int radio_button_nr = RADIO_NR_NONE;
8146     boolean checked = FALSE;
8147
8148     if (type_id != i)
8149       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
8150
8151     if (type == GD_TYPE_RADIO_BUTTON)
8152     {
8153       event_mask = GD_EVENT_PRESSED;
8154       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
8155
8156       if (id == drawing_function)
8157         checked = TRUE;
8158     }
8159     else
8160     {
8161       if (id == GADGET_ID_WRAP_LEFT ||
8162           id == GADGET_ID_WRAP_RIGHT ||
8163           id == GADGET_ID_WRAP_UP ||
8164           id == GADGET_ID_WRAP_DOWN)
8165         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8166       else
8167         event_mask = GD_EVENT_RELEASED;
8168     }
8169
8170     if (id == GADGET_ID_PROPERTIES ||
8171         id == GADGET_ID_PALETTE)
8172     {
8173       x += DX;
8174       y += DY;
8175     }
8176     else if (id == GADGET_ID_ELEMENT_LEFT ||
8177              id == GADGET_ID_ELEMENT_MIDDLE ||
8178              id == GADGET_ID_ELEMENT_RIGHT)
8179     {
8180       x += DX;
8181       y += DY;
8182
8183       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
8184                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
8185                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
8186
8187       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
8188                                    editor.button.element_left.tile_size :
8189                                    id == GADGET_ID_ELEMENT_MIDDLE ?
8190                                    editor.button.element_middle.tile_size :
8191                                    id == GADGET_ID_ELEMENT_RIGHT ?
8192                                    editor.button.element_right.tile_size : 0);
8193
8194       // make sure that decoration does not overlap gadget border
8195       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
8196
8197       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
8198
8199       deco_xpos = (gd->width  - tile_size) / 2;
8200       deco_ypos = (gd->height - tile_size) / 2;
8201       deco_shift = 1;
8202       deco_masked = gd->draw_masked;
8203     }
8204     else
8205     {
8206       x += EX;
8207       y += EY;
8208     }
8209
8210     gi = CreateGadget(GDI_CUSTOM_ID, id,
8211                       GDI_CUSTOM_TYPE_ID, type_id,
8212                       GDI_IMAGE_ID, graphic,
8213                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
8214                       GDI_X, x,
8215                       GDI_Y, y,
8216                       GDI_WIDTH, gd->width,
8217                       GDI_HEIGHT, gd->height,
8218                       GDI_TYPE, type,
8219                       GDI_STATE, GD_BUTTON_UNPRESSED,
8220                       GDI_RADIO_NR, radio_button_nr,
8221                       GDI_CHECKED, checked,
8222                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8223                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8224                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8225                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8226                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8227                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8228                       GDI_DECORATION_SIZE, tile_size, tile_size,
8229                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
8230                       GDI_DECORATION_MASKED, deco_masked,
8231                       GDI_EVENT_MASK, event_mask,
8232                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8233                       GDI_CALLBACK_ACTION, HandleControlButtons,
8234                       GDI_END);
8235
8236     if (gi == NULL)
8237       Fail("cannot create gadget");
8238
8239     level_editor_gadget[id] = gi;
8240   }
8241
8242   // these values are not constant, but can change at runtime
8243   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
8244   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
8245   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
8246   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
8247   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
8248   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
8249   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
8250   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
8251   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
8252   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
8253   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
8254   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
8255
8256   // create buttons for scrolling of drawing area and element list
8257   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
8258   {
8259     int id = scrollbutton_info[i].gadget_id;
8260     int type_id = scrollbutton_info[i].gadget_type_id;
8261     int graphic = scrollbutton_info[i].graphic;
8262     struct GraphicInfo *gd = &graphic_info[graphic];
8263     Bitmap *gd_bitmap = gd->bitmap;
8264     int gd_x1 = gd->src_x;
8265     int gd_y1 = gd->src_y;
8266     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8267     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8268     int width  = gd->width;
8269     int height = gd->height;
8270     int x = scrollbutton_pos[i].x;
8271     int y = scrollbutton_pos[i].y;
8272     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8273
8274     if (type_id != i)
8275       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
8276
8277     if (id == GADGET_ID_SCROLL_LIST_UP ||
8278         id == GADGET_ID_SCROLL_LIST_DOWN)
8279     {
8280       x += PX;
8281       y += PY;
8282     }
8283     else
8284     {
8285       x += SX;
8286       y += SY;
8287     }
8288
8289     gi = CreateGadget(GDI_CUSTOM_ID, id,
8290                       GDI_CUSTOM_TYPE_ID, type_id,
8291                       GDI_IMAGE_ID, graphic,
8292                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8293                       GDI_X, x,
8294                       GDI_Y, y,
8295                       GDI_WIDTH, width,
8296                       GDI_HEIGHT, height,
8297                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8298                       GDI_STATE, GD_BUTTON_UNPRESSED,
8299                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8300                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8301                       GDI_EVENT_MASK, event_mask,
8302                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8303                       GDI_CALLBACK_ACTION, HandleControlButtons,
8304                       GDI_END);
8305
8306     if (gi == NULL)
8307       Fail("cannot create gadget");
8308
8309     level_editor_gadget[id] = gi;
8310   }
8311
8312   // create buttons for element list
8313   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8314   {
8315     int type_id = i;
8316     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
8317     int graphic = IMG_EDITOR_PALETTE_BUTTON;
8318     struct GraphicInfo *gd = &graphic_info[graphic];
8319     Bitmap *gd_bitmap = gd->bitmap;
8320     Bitmap *deco_bitmap;
8321     int deco_x, deco_y, deco_xpos, deco_ypos;
8322     int gd_x1 = gd->src_x;
8323     int gd_y1 = gd->src_y;
8324     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8325     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8326     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
8327     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
8328     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
8329     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
8330     int element = editor_elements[i];
8331     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8332     unsigned int event_mask = GD_EVENT_RELEASED;
8333
8334     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8335
8336     deco_xpos = (gd->width  - tile_size) / 2;
8337     deco_ypos = (gd->height - tile_size) / 2;
8338
8339     gi = CreateGadget(GDI_CUSTOM_ID, id,
8340                       GDI_CUSTOM_TYPE_ID, type_id,
8341                       GDI_IMAGE_ID, graphic,
8342                       GDI_INFO_TEXT, getElementInfoText(element),
8343                       GDI_X, x,
8344                       GDI_Y, y,
8345                       GDI_WIDTH, gd->width,
8346                       GDI_HEIGHT, gd->height,
8347                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8348                       GDI_STATE, GD_BUTTON_UNPRESSED,
8349                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8350                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8351                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8352                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8353                       GDI_DECORATION_SIZE, tile_size, tile_size,
8354                       GDI_DECORATION_SHIFTING, 1, 1,
8355                       GDI_EVENT_MASK, event_mask,
8356                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8357                       GDI_CALLBACK_ACTION, HandleControlButtons,
8358                       GDI_END);
8359
8360     if (gi == NULL)
8361       Fail("cannot create gadget");
8362
8363     level_editor_gadget[id] = gi;
8364   }
8365 }
8366
8367 static void CreateCounterButtons(void)
8368 {
8369   int max_infotext_len = getMaxInfoTextLength();
8370   int i;
8371
8372   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
8373   {
8374     int type_id = counterbutton_info[i].gadget_type_id;
8375     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
8376     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
8377     int j;
8378
8379     if (type_id != i)
8380       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
8381
8382     // determine horizontal position to the right of specified gadget
8383     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8384       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
8385            ED_GADGET_TEXT_DISTANCE);
8386
8387     // determine horizontal offset for leading text
8388     if (counterbutton_info[i].text_left != NULL)
8389       x += getTextWidthForGadget(counterbutton_info[i].text_left);
8390
8391     for (j = 0; j < 2; j++)
8392     {
8393       struct GadgetInfo *gi;
8394       int id = (j == 0 ?
8395                 counterbutton_info[i].gadget_id_down :
8396                 counterbutton_info[i].gadget_id_up);
8397       int graphic;
8398       struct GraphicInfo *gd;
8399       int gd_x1, gd_x2, gd_y1, gd_y2;
8400       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8401       char infotext[max_infotext_len + 1];
8402
8403       if (i == ED_COUNTER_ID_SELECT_LEVEL)
8404       {
8405         graphic = (j == 0 ?
8406                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
8407                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
8408
8409         event_mask |= GD_EVENT_RELEASED;
8410
8411         if (j == 0)
8412         {
8413           x = DX + editor.button.prev_level.x;
8414           y = DY + editor.button.prev_level.y;
8415         }
8416         else
8417         {
8418           x = DX + editor.button.next_level.x;
8419           y = DY + editor.button.next_level.y;
8420         }
8421       }
8422       else
8423       {
8424         graphic = (j == 0 ?
8425                    IMG_EDITOR_COUNTER_DOWN :
8426                    IMG_EDITOR_COUNTER_UP);
8427       }
8428
8429       gd = &graphic_info[graphic];
8430
8431       gd_x1 = gd->src_x;
8432       gd_y1 = gd->src_y;
8433       gd_x2 = gd->src_x + gd->pressed_xoffset;
8434       gd_y2 = gd->src_y + gd->pressed_yoffset;
8435
8436       sprintf(infotext, "%s counter value by 1, 5 or 10",
8437               (j == 0 ? "Decrease" : "Increase"));
8438
8439       gi = CreateGadget(GDI_CUSTOM_ID, id,
8440                         GDI_CUSTOM_TYPE_ID, type_id,
8441                         GDI_IMAGE_ID, graphic,
8442                         GDI_INFO_TEXT, infotext,
8443                         GDI_X, x,
8444                         GDI_Y, y,
8445                         GDI_WIDTH, gd->width,
8446                         GDI_HEIGHT, gd->height,
8447                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8448                         GDI_STATE, GD_BUTTON_UNPRESSED,
8449                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8450                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8451                         GDI_EVENT_MASK, event_mask,
8452                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8453                         GDI_CALLBACK_ACTION, HandleCounterButtons,
8454                         GDI_END);
8455
8456       if (gi == NULL)
8457         Fail("cannot create gadget");
8458
8459       level_editor_gadget[id] = gi;
8460       right_gadget_border[id] =
8461         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8462
8463       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
8464
8465       if (j == 0)
8466       {
8467         int font_type = FONT_INPUT_1;
8468         int font_type_active = FONT_INPUT_1_ACTIVE;
8469
8470         id = counterbutton_info[i].gadget_id_text;
8471
8472         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8473
8474         if (i == ED_COUNTER_ID_SELECT_LEVEL)
8475         {
8476           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
8477
8478           font_type = FONT_LEVEL_NUMBER;
8479           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8480
8481           x = DX + editor.input.level_number.x;
8482           y = DY + editor.input.level_number.y;
8483         }
8484         else
8485         {
8486           graphic = IMG_EDITOR_COUNTER_INPUT;
8487         }
8488
8489         gd = &graphic_info[graphic];
8490
8491         gd_x1 = gd->src_x;
8492         gd_y1 = gd->src_y;
8493         gd_x2 = gd->src_x + gd->active_xoffset;
8494         gd_y2 = gd->src_y + gd->active_yoffset;
8495
8496         gi = CreateGadget(GDI_CUSTOM_ID, id,
8497                           GDI_CUSTOM_TYPE_ID, type_id,
8498                           GDI_IMAGE_ID, graphic,
8499                           GDI_INFO_TEXT, "Enter counter value",
8500                           GDI_X, x,
8501                           GDI_Y, y,
8502                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8503                           GDI_NUMBER_VALUE, 0,
8504                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8505                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8506                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8507                           GDI_TEXT_FONT, font_type,
8508                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8509                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8510                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8511                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8512                           GDI_DESIGN_WIDTH, gd->width,
8513                           GDI_EVENT_MASK, event_mask,
8514                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8515                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8516                           GDI_END);
8517
8518         if (gi == NULL)
8519           Fail("cannot create gadget");
8520
8521         level_editor_gadget[id] = gi;
8522         right_gadget_border[id] =
8523           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8524
8525         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8526       }
8527     }
8528   }
8529 }
8530
8531 static void CreateDrawingAreas(void)
8532 {
8533   int i;
8534
8535   // these values are not constant, but can change at runtime
8536   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8537   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8538
8539   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8540   {
8541     struct GadgetInfo *gi;
8542     int id = drawingarea_info[i].gadget_id;
8543     int type_id = drawingarea_info[i].gadget_type_id;
8544     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8545     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8546     int area_xsize = drawingarea_info[i].area_xsize;
8547     int area_ysize = drawingarea_info[i].area_ysize;
8548     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8549                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8550     unsigned int event_mask =
8551       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8552       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8553
8554     if (type_id != i)
8555       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8556
8557     // determine horizontal position to the right of specified gadget
8558     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8559       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8560            ED_DRAWINGAREA_TEXT_DISTANCE);
8561
8562     // determine horizontal offset for leading text
8563     if (drawingarea_info[i].text_left != NULL)
8564       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8565
8566     gi = CreateGadget(GDI_CUSTOM_ID, id,
8567                       GDI_CUSTOM_TYPE_ID, type_id,
8568                       GDI_X, x,
8569                       GDI_Y, y,
8570                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8571                       GDI_AREA_SIZE, area_xsize, area_ysize,
8572                       GDI_ITEM_SIZE, item_size, item_size,
8573                       GDI_EVENT_MASK, event_mask,
8574                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8575                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8576                       GDI_END);
8577
8578     if (gi == NULL)
8579       Fail("cannot create gadget");
8580
8581     level_editor_gadget[id] = gi;
8582     right_gadget_border[id] =
8583       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8584   }
8585 }
8586
8587 static void CreateTextInputGadgets(void)
8588 {
8589   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8590   int max_infotext_len = getMaxInfoTextLength();
8591   int i;
8592
8593   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8594   {
8595     int gd_x1 = gd->src_x;
8596     int gd_y1 = gd->src_y;
8597     int gd_x2 = gd->src_x + gd->active_xoffset;
8598     int gd_y2 = gd->src_y + gd->active_yoffset;
8599     struct GadgetInfo *gi;
8600     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8601     char infotext[MAX_OUTPUT_LINESIZE + 1];
8602     int id = textinput_info[i].gadget_id;
8603     int type_id = textinput_info[i].gadget_type_id;
8604     int x, y;
8605
8606     if (type_id != i)
8607       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8608
8609     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8610     {
8611       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8612       int border_size = gd->border_size;
8613       int font_nr = FONT_INPUT_1;
8614       int font_height = getFontHeight(font_nr);
8615       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8616       int yoffset = element_border + (TILEY - font_height) / 2;
8617
8618       x = (editor.settings.element_name.x != -1 ?
8619            editor.settings.element_name.x :
8620            editor.settings.element_graphic.x + xoffset) - border_size;
8621       y = (editor.settings.element_name.y != -1 ?
8622            editor.settings.element_name.y :
8623            editor.settings.element_graphic.y + yoffset) - border_size;
8624     }
8625     else
8626     {
8627       x = ED_SETTINGS_X(textinput_info[i].x);
8628       y = ED_SETTINGS_Y(textinput_info[i].y);
8629     }
8630
8631     // determine horizontal offset for leading text
8632     if (textinput_info[i].text_left != NULL)
8633       x += getTextWidthForGadget(textinput_info[i].text_left);
8634
8635     sprintf(infotext, "%s", textinput_info[i].infotext);
8636     infotext[max_infotext_len] = '\0';
8637
8638     gi = CreateGadget(GDI_CUSTOM_ID, id,
8639                       GDI_CUSTOM_TYPE_ID, type_id,
8640                       GDI_INFO_TEXT, infotext,
8641                       GDI_X, SX + x,
8642                       GDI_Y, SY + y,
8643                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8644                       GDI_TEXT_VALUE, textinput_info[i].value,
8645                       GDI_TEXT_SIZE, textinput_info[i].size,
8646                       GDI_TEXT_FONT, FONT_INPUT_1,
8647                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8648                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8649                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8650                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8651                       GDI_DESIGN_WIDTH, gd->width,
8652                       GDI_EVENT_MASK, event_mask,
8653                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8654                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8655                       GDI_END);
8656
8657     if (gi == NULL)
8658       Fail("cannot create gadget");
8659
8660     level_editor_gadget[id] = gi;
8661   }
8662 }
8663
8664 static void CreateTextAreaGadgets(void)
8665 {
8666   int max_infotext_len = getMaxInfoTextLength();
8667   int i;
8668
8669   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8670   {
8671     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8672     int gd_x1 = gd->src_x;
8673     int gd_y1 = gd->src_y;
8674     int gd_x2 = gd->src_x + gd->active_xoffset;
8675     int gd_y2 = gd->src_y + gd->active_yoffset;
8676     struct GadgetInfo *gi;
8677     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8678     char infotext[MAX_OUTPUT_LINESIZE + 1];
8679     int id = textarea_info[i].gadget_id;
8680     int type_id = textarea_info[i].gadget_type_id;
8681     int area_xsize = textarea_info[i].xsize;
8682     int area_ysize = textarea_info[i].ysize;
8683
8684     if (type_id != i)
8685       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8686
8687     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8688     infotext[max_infotext_len] = '\0';
8689
8690     gi = CreateGadget(GDI_CUSTOM_ID, id,
8691                       GDI_CUSTOM_TYPE_ID, type_id,
8692                       GDI_INFO_TEXT, infotext,
8693                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8694                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8695                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8696                       GDI_AREA_SIZE, area_xsize, area_ysize,
8697                       GDI_TEXT_FONT, FONT_INPUT_1,
8698                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8699                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8700                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8701                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8702                       GDI_DESIGN_WIDTH, gd->width,
8703                       GDI_EVENT_MASK, event_mask,
8704                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8705                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8706                       GDI_END);
8707
8708     if (gi == NULL)
8709       Fail("cannot create gadget");
8710
8711     level_editor_gadget[id] = gi;
8712   }
8713 }
8714
8715 static void CreateSelectboxGadgets(void)
8716 {
8717   int max_infotext_len = getMaxInfoTextLength();
8718
8719   int i, j;
8720
8721   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8722   {
8723     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8724     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8725     int gd_x1 = gd->src_x;
8726     int gd_y1 = gd->src_y;
8727     int gd_x2 = gd->src_x + gd->active_xoffset;
8728     int gd_y2 = gd->src_y + gd->active_yoffset;
8729     int selectbox_button_xsize = gd2->width;
8730     struct GadgetInfo *gi;
8731     char infotext[MAX_OUTPUT_LINESIZE + 1];
8732     int id = selectbox_info[i].gadget_id;
8733     int type_id = selectbox_info[i].gadget_type_id;
8734     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8735     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8736     unsigned int event_mask =
8737       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8738
8739     if (type_id != i)
8740       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8741
8742     if (selectbox_info[i].size == -1)   // dynamically determine size
8743     {
8744       // (we cannot use -1 for uninitialized values if we directly compare
8745       // with results from strlen(), because the '<' and '>' operation will
8746       // implicitely cast -1 to an unsigned integer value!)
8747       selectbox_info[i].size = 0;
8748
8749       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8750         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8751           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8752
8753       selectbox_info[i].size++;         // add one character empty space
8754     }
8755
8756     // determine horizontal position to the right of specified gadget
8757     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8758       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8759            ED_GADGET_TEXT_DISTANCE);
8760
8761     // determine horizontal offset for leading text
8762     if (selectbox_info[i].text_left != NULL)
8763       x += getTextWidthForGadget(selectbox_info[i].text_left);
8764
8765     sprintf(infotext, "%s", selectbox_info[i].infotext);
8766     infotext[max_infotext_len] = '\0';
8767
8768     gi = CreateGadget(GDI_CUSTOM_ID, id,
8769                       GDI_CUSTOM_TYPE_ID, type_id,
8770                       GDI_INFO_TEXT, infotext,
8771                       GDI_X, x,
8772                       GDI_Y, y,
8773                       GDI_TYPE, GD_TYPE_SELECTBOX,
8774                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8775                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8776                       GDI_TEXT_SIZE, selectbox_info[i].size,
8777                       GDI_TEXT_FONT, FONT_INPUT_1,
8778                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8779                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8780                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8781                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8782                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8783                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8784                       GDI_DESIGN_WIDTH, gd->width,
8785                       GDI_EVENT_MASK, event_mask,
8786                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8787                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8788                       GDI_END);
8789
8790     if (gi == NULL)
8791       Fail("cannot create gadget");
8792
8793     level_editor_gadget[id] = gi;
8794     right_gadget_border[id] =
8795       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8796   }
8797 }
8798
8799 static void CreateTextbuttonGadgets(void)
8800 {
8801   int max_infotext_len = getMaxInfoTextLength();
8802   int i;
8803
8804   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8805   {
8806     int id = textbutton_info[i].gadget_id;
8807     int type_id = textbutton_info[i].gadget_type_id;
8808     int is_tab_button =
8809       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8810        (id >= GADGET_ID_ENGINECONFIG_CONFIG && id <= GADGET_ID_ENGINECONFIG_COLORS) ||
8811        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8812     int graphic =
8813       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8814     int gadget_distance =
8815       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8816     struct GraphicInfo *gd = &graphic_info[graphic];
8817     int gd_x1 = gd->src_x;
8818     int gd_y1 = gd->src_y;
8819     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8820     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8821     int gd_x1a = gd->src_x + gd->active_xoffset;
8822     int gd_y1a = gd->src_y + gd->active_yoffset;
8823     int border_xsize = gd->border_size + gd->draw_xoffset;
8824     int border_ysize = gd->border_size;
8825     struct GadgetInfo *gi;
8826     unsigned int event_mask = GD_EVENT_RELEASED;
8827     char infotext[MAX_OUTPUT_LINESIZE + 1];
8828     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8829     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8830
8831     if (type_id != i)
8832       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8833
8834     if (textbutton_info[i].size == -1)  // dynamically determine size
8835       textbutton_info[i].size = strlen(textbutton_info[i].text);
8836
8837     sprintf(infotext, "%s", textbutton_info[i].infotext);
8838     infotext[max_infotext_len] = '\0';
8839
8840     // determine horizontal position to the right of specified gadget
8841     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8842     {
8843       int gadget_id_align = textbutton_info[i].gadget_id_align;
8844
8845       x = right_gadget_border[gadget_id_align] + gadget_distance;
8846
8847       if (textbutton_info[i].y == -1)
8848         y = level_editor_gadget[gadget_id_align]->y;
8849     }
8850
8851     // determine horizontal offset for leading text
8852     if (textbutton_info[i].text_left != NULL)
8853       x += getTextWidthForGadget(textbutton_info[i].text_left);
8854
8855     gi = CreateGadget(GDI_CUSTOM_ID, id,
8856                       GDI_CUSTOM_TYPE_ID, type_id,
8857                       GDI_IMAGE_ID, graphic,
8858                       GDI_INFO_TEXT, infotext,
8859                       GDI_X, x,
8860                       GDI_Y, y,
8861                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8862                       GDI_TEXT_VALUE, textbutton_info[i].text,
8863                       GDI_TEXT_SIZE, textbutton_info[i].size,
8864                       GDI_TEXT_FONT, FONT_INPUT_2,
8865                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8866                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8867                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8868                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8869                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8870                       GDI_DESIGN_WIDTH, gd->width,
8871                       GDI_DECORATION_SHIFTING, 1, 1,
8872                       GDI_EVENT_MASK, event_mask,
8873                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8874                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8875                       GDI_END);
8876
8877     if (gi == NULL)
8878       Fail("cannot create gadget");
8879
8880     level_editor_gadget[id] = gi;
8881     right_gadget_border[id] =
8882       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8883   }
8884 }
8885
8886 static void CreateGraphicbuttonGadgets(void)
8887 {
8888   struct GadgetInfo *gi;
8889   int i;
8890
8891   // create buttons for scrolling of drawing area and element list
8892   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8893   {
8894     int id = graphicbutton_info[i].gadget_id;
8895     int type_id = graphicbutton_info[i].gadget_type_id;
8896     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8897     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8898     int graphic = graphicbutton_info[i].graphic;
8899     struct GraphicInfo *gd = &graphic_info[graphic];
8900     int gd_x1 = gd->src_x;
8901     int gd_y1 = gd->src_y;
8902     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8903     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8904     unsigned int event_mask = GD_EVENT_RELEASED;
8905
8906     if (type_id != i)
8907       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8908
8909     // determine horizontal position to the right of specified gadget
8910     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8911       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8912            ED_GADGET_TEXT_DISTANCE);
8913
8914     // determine horizontal offset for leading text
8915     if (graphicbutton_info[i].text_left != NULL)
8916       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8917
8918     gi = CreateGadget(GDI_CUSTOM_ID, id,
8919                       GDI_CUSTOM_TYPE_ID, type_id,
8920                       GDI_IMAGE_ID, graphic,
8921                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8922                       GDI_X, x,
8923                       GDI_Y, y,
8924                       GDI_WIDTH, gd->width,
8925                       GDI_HEIGHT, gd->height,
8926                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8927                       GDI_STATE, GD_BUTTON_UNPRESSED,
8928                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8929                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8930                       GDI_EVENT_MASK, event_mask,
8931                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8932                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8933                       GDI_END);
8934
8935     if (gi == NULL)
8936       Fail("cannot create gadget");
8937
8938     level_editor_gadget[id] = gi;
8939     right_gadget_border[id] =
8940       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8941   }
8942 }
8943
8944 static void CreateScrollbarGadgets(void)
8945 {
8946   int i;
8947
8948   // these values are not constant, but can change at runtime
8949   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8950     SX + ED_SCROLL_HORIZONTAL_XPOS;
8951   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8952     SY + ED_SCROLL_HORIZONTAL_YPOS;
8953   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8954     ED_SCROLL_HORIZONTAL_XSIZE;
8955   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8956     ED_SCROLL_HORIZONTAL_YSIZE;
8957   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8958   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8959   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8960   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8961
8962   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8963     SX + ED_SCROLL_VERTICAL_XPOS;
8964   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8965     SY + ED_SCROLL_VERTICAL_YPOS;
8966   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8967     ED_SCROLL_VERTICAL_XSIZE;
8968   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8969     ED_SCROLL_VERTICAL_YSIZE;
8970   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8971   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8972   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8973   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8974
8975   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8976     PX + ED_SCROLL2_VERTICAL_XPOS;
8977   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8978     PY + ED_SCROLL2_VERTICAL_YPOS;
8979   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8980     ED_SCROLL2_VERTICAL_XSIZE;
8981   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8982     ED_SCROLL2_VERTICAL_YSIZE;
8983   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8984   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8985   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8986   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8987
8988   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8989   {
8990     int id = scrollbar_info[i].gadget_id;
8991     int type_id = scrollbar_info[i].gadget_type_id;
8992     int graphic = scrollbar_info[i].graphic;
8993     struct GraphicInfo *gd = &graphic_info[graphic];
8994     int gd_x1 = gd->src_x;
8995     int gd_y1 = gd->src_y;
8996     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8997     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8998     struct GadgetInfo *gi;
8999     int items_max, items_visible, item_position;
9000     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9001
9002     if (type_id != i)
9003       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
9004
9005     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
9006     {
9007       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9008       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9009       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9010     }
9011     else        // drawing area scrollbars
9012     {
9013       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
9014       {
9015         items_max = MAX(lev_fieldx + 2, ed_fieldx);
9016         items_visible = ed_fieldx;
9017         item_position = 0;
9018       }
9019       else
9020       {
9021         items_max = MAX(lev_fieldy + 2, ed_fieldy);
9022         items_visible = ed_fieldy;
9023         item_position = 0;
9024       }
9025     }
9026
9027     gi = CreateGadget(GDI_CUSTOM_ID, id,
9028                       GDI_CUSTOM_TYPE_ID, type_id,
9029                       GDI_IMAGE_ID, graphic,
9030                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9031                       GDI_X, scrollbar_pos[i].x,
9032                       GDI_Y, scrollbar_pos[i].y,
9033                       GDI_WIDTH, scrollbar_pos[i].width,
9034                       GDI_HEIGHT, scrollbar_pos[i].height,
9035                       GDI_TYPE, scrollbar_info[i].type,
9036                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9037                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9038                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9039                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
9040                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
9041                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
9042                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
9043                       GDI_STATE, GD_BUTTON_UNPRESSED,
9044                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9045                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9046                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9047                       GDI_EVENT_MASK, event_mask,
9048                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9049                       GDI_CALLBACK_ACTION, HandleControlButtons,
9050                       GDI_END);
9051
9052     if (gi == NULL)
9053       Fail("cannot create gadget");
9054
9055     level_editor_gadget[id] = gi;
9056   }
9057 }
9058
9059 static void CreateCheckbuttonGadgets(void)
9060 {
9061   struct GadgetInfo *gi;
9062   int i;
9063
9064   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
9065   {
9066     int id = checkbutton_info[i].gadget_id;
9067     int type_id = checkbutton_info[i].gadget_type_id;
9068     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
9069                    IMG_EDITOR_CHECKBOX);
9070     struct GraphicInfo *gd = &graphic_info[graphic];
9071     int gd_x1 = gd->src_x;
9072     int gd_y1 = gd->src_y;
9073     int gd_x2 = gd->src_x + gd->pressed_xoffset;
9074     int gd_y2 = gd->src_y + gd->pressed_yoffset;
9075     int gd_x1a = gd->src_x + gd->active_xoffset;
9076     int gd_y1a = gd->src_y + gd->active_yoffset;
9077     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
9078     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
9079     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
9080     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
9081     unsigned int event_mask = GD_EVENT_PRESSED;
9082
9083     if (type_id != i)
9084       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
9085
9086     // determine horizontal position to the right of specified gadget
9087     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
9088       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
9089            ED_GADGET_TEXT_DISTANCE);
9090
9091     // determine horizontal offset for leading text
9092     if (checkbutton_info[i].text_left != NULL)
9093       x += getTextWidthForGadget(checkbutton_info[i].text_left);
9094
9095     gi = CreateGadget(GDI_CUSTOM_ID, id,
9096                       GDI_CUSTOM_TYPE_ID, type_id,
9097                       GDI_IMAGE_ID, graphic,
9098                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
9099                       GDI_X, x,
9100                       GDI_Y, y,
9101                       GDI_WIDTH, gd->width,
9102                       GDI_HEIGHT, gd->height,
9103                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
9104                       GDI_CHECKED, *checkbutton_info[i].value,
9105                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9106                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9107                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
9108                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
9109                       GDI_EVENT_MASK, event_mask,
9110                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9111                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
9112                       GDI_END);
9113
9114     if (gi == NULL)
9115       Fail("cannot create gadget");
9116
9117     level_editor_gadget[id] = gi;
9118     right_gadget_border[id] =
9119       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
9120   }
9121 }
9122
9123 static void CreateRadiobuttonGadgets(void)
9124 {
9125   int graphic = IMG_EDITOR_RADIOBUTTON;
9126   struct GraphicInfo *gd = &graphic_info[graphic];
9127   int gd_x1 = gd->src_x;
9128   int gd_y1 = gd->src_y;
9129   int gd_x2 = gd->src_x + gd->pressed_xoffset;
9130   int gd_y2 = gd->src_y + gd->pressed_yoffset;
9131   int gd_x1a = gd->src_x + gd->active_xoffset;
9132   int gd_y1a = gd->src_y + gd->active_yoffset;
9133   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
9134   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
9135   struct GadgetInfo *gi;
9136   int i;
9137
9138   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
9139   {
9140     int id = radiobutton_info[i].gadget_id;
9141     int type_id = radiobutton_info[i].gadget_type_id;
9142     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
9143     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
9144     unsigned int event_mask = GD_EVENT_PRESSED;
9145
9146     if (type_id != i)
9147       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
9148
9149     int checked =
9150       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
9151
9152     // determine horizontal position to the right of specified gadget
9153     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
9154       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
9155            ED_GADGET_TEXT_DISTANCE);
9156
9157     // determine horizontal offset for leading text
9158     if (radiobutton_info[i].text_left != NULL)
9159       x += getTextWidthForGadget(radiobutton_info[i].text_left);
9160
9161     gi = CreateGadget(GDI_CUSTOM_ID, id,
9162                       GDI_CUSTOM_TYPE_ID, type_id,
9163                       GDI_IMAGE_ID, graphic,
9164                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
9165                       GDI_X, x,
9166                       GDI_Y, y,
9167                       GDI_WIDTH, gd->width,
9168                       GDI_HEIGHT, gd->height,
9169                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
9170                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
9171                       GDI_CHECKED, checked,
9172                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9173                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9174                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
9175                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
9176                       GDI_EVENT_MASK, event_mask,
9177                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9178                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
9179                       GDI_END);
9180
9181     if (gi == NULL)
9182       Fail("cannot create gadget");
9183
9184     level_editor_gadget[id] = gi;
9185     right_gadget_border[id] =
9186       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
9187   }
9188 }
9189
9190 void CreateLevelEditorGadgets(void)
9191 {
9192   // force EDITOR font inside level editor
9193   SetFontStatus(GAME_MODE_EDITOR);
9194
9195   // these values are not constant, but can change at runtime
9196   ed_fieldx = MAX_ED_FIELDX - 1;
9197   ed_fieldy = MAX_ED_FIELDY - 1;
9198
9199   num_editor_gadgets = NUM_EDITOR_GADGETS;
9200
9201   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
9202
9203   level_editor_gadget =
9204     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
9205   right_gadget_border =
9206     checked_calloc(num_editor_gadgets * sizeof(int));
9207
9208   // set number of empty (padding) element buttons to maximum number of buttons
9209   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
9210
9211   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
9212   editor_el_empty_ptr = editor_el_empty;
9213
9214   use_permanent_palette = !editor.palette.show_as_separate_screen;
9215
9216   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
9217
9218   ReinitializeElementList();
9219
9220   CreateControlButtons();
9221   CreateScrollbarGadgets();
9222
9223   // order of function calls is important because of cross-references
9224   CreateCheckbuttonGadgets();
9225   CreateCounterButtons();
9226   CreateRadiobuttonGadgets();
9227   CreateTextInputGadgets();
9228   CreateTextAreaGadgets();
9229   CreateSelectboxGadgets();
9230   CreateGraphicbuttonGadgets();
9231   CreateTextbuttonGadgets();
9232   CreateDrawingAreas();
9233
9234   ResetFontStatus();
9235 }
9236
9237 void FreeLevelEditorGadgets(void)
9238 {
9239   int i;
9240
9241   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
9242
9243   for (i = 0; i < num_editor_gadgets; i++)
9244   {
9245     FreeGadget(level_editor_gadget[i]);
9246
9247     level_editor_gadget[i] = NULL;
9248   }
9249
9250   checked_free(level_editor_gadget);
9251   checked_free(right_gadget_border);
9252
9253   checked_free(editor_el_empty);
9254 }
9255
9256 static void MapCounterButtons(int id)
9257 {
9258   int font_nr = FONT_TEXT_1;
9259   int font_height = getFontHeight(font_nr);
9260   int gadget_id_down = counterbutton_info[id].gadget_id_down;
9261   int gadget_id_text = counterbutton_info[id].gadget_id_text;
9262   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
9263   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
9264   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
9265   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
9266   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
9267   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9268   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9269   int yoffset = (gi_down->height - font_height) / 2;
9270   int x_left = gi_down->x - xoffset_left;
9271   int x_right;  // set after gadget position was modified
9272   int y_above = gi_down->y - yoffset_above;
9273   int x = gi_down->x;
9274   int y;        // set after gadget position was modified
9275
9276   // counter limits must be changed first to prevent value truncation
9277   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
9278                             counterbutton_info[id].max_value);
9279
9280   // right text position might have changed after setting position above
9281   x_right = gi_up->x + gi_up->width + xoffset_right;
9282
9283   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
9284
9285   // set position for counter gadgets with dynamically determined position
9286   if (id != ED_COUNTER_ID_SELECT_LEVEL)
9287   {
9288     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9289     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9290     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9291   }
9292
9293   // vertical position might have changed after setting position above
9294   y = gi_up->y + yoffset;
9295
9296   if (counterbutton_info[id].text_above)
9297     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
9298
9299   if (counterbutton_info[id].text_left)
9300     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
9301
9302   if (counterbutton_info[id].text_right)
9303     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
9304
9305   MapGadget(gi_down);
9306   MapGadget(gi_text);
9307   MapGadget(gi_up);
9308 }
9309
9310 static void MapControlButtons(void)
9311 {
9312   int counter_id;
9313   int i;
9314
9315   // map toolbox buttons (excluding special CE toolbox buttons)
9316   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
9317     MapGadget(level_editor_gadget[i]);
9318
9319   // map toolbox buttons (element properties buttons)
9320   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
9321     MapGadget(level_editor_gadget[i]);
9322
9323   if (use_permanent_palette)
9324   {
9325     // map buttons to select elements
9326     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9327       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9328     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9329     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9330     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9331   }
9332
9333   // map buttons to select level
9334   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
9335   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
9336   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
9337   MapCounterButtons(counter_id);
9338 }
9339
9340 static void MapDrawingArea(int id)
9341 {
9342   int font_nr = FONT_TEXT_1;
9343   int font_height = getFontHeight(font_nr);
9344   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9345   int area_xsize = gi->drawing.area_xsize;
9346   int area_ysize = gi->drawing.area_ysize;
9347   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9348   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
9349   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
9350   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
9351   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
9352   int x_below = gi->x + (gi->width - xoffset_below) / 2;
9353   int y_side  = gi->y + (gi->height - font_height) / 2;
9354   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
9355   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
9356
9357   if (drawingarea_info[id].text_left)
9358     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
9359
9360   if (drawingarea_info[id].text_right)
9361     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
9362
9363   if (drawingarea_info[id].text_above)
9364     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
9365
9366   if (drawingarea_info[id].text_below)
9367     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
9368
9369   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
9370   {
9371     DrawElementBorder(gi->x, gi->y,
9372                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
9373                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
9374
9375     DrawDrawingArea(id);
9376   }
9377
9378   MapGadget(gi);
9379 }
9380
9381 static void MapTextInputGadget(int id)
9382 {
9383   int font_nr = FONT_TEXT_1;
9384   int font_height = getFontHeight(font_nr);
9385   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9386   int xoffset_left = getTextWidthForGadget(textinput_info[id].text_left);
9387   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9388   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9389   int yoffset = (gi->height - font_height) / 2;
9390   int x_left = gi->x - xoffset_left;
9391   int x_right = gi->x + gi->width + xoffset_right;
9392   int y_above = gi->y - yoffset_above;
9393   int y = gi->y + yoffset;
9394
9395   if (textinput_info[id].text_above)
9396     DrawText(x_left, y_above, textinput_info[id].text_above, font_nr);
9397
9398   if (textinput_info[id].text_left)
9399     DrawText(x_left, y, textinput_info[id].text_left, font_nr);
9400
9401   if (textinput_info[id].text_right)
9402     DrawText(x_right, y, textinput_info[id].text_right, font_nr);
9403
9404   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9405
9406   MapGadget(gi);
9407 }
9408
9409 static void MapTextAreaGadget(int id)
9410 {
9411   int font_nr = FONT_TEXT_1;
9412   int font_height = getFontHeight(font_nr);
9413   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9414   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9415   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9416   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9417   char *text_above = textarea_info[id].text_above;
9418
9419   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9420     text_above = textarea_info[id].text_above_cropped;
9421
9422   if (text_above)
9423     DrawTextS(x_above, y_above, font_nr, text_above);
9424
9425   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9426
9427   MapGadget(gi);
9428 }
9429
9430 static void MapSelectboxGadget(int id)
9431 {
9432   int font_nr = FONT_TEXT_1;
9433   int font_height = getFontHeight(font_nr);
9434   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9435   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9436   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9437   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9438   int yoffset = (gi->height - font_height) / 2;
9439   int x_left = gi->x - xoffset_left;
9440   int x_right = gi->x + gi->width + xoffset_right;
9441   int y_above = gi->y - yoffset_above;
9442   int y = gi->y + yoffset;
9443
9444   if (selectbox_info[id].text_above)
9445     DrawText(x_left, y_above, selectbox_info[id].text_above, font_nr);
9446
9447   if (selectbox_info[id].text_left)
9448     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9449
9450   if (selectbox_info[id].text_right)
9451     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9452
9453   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9454
9455   MapGadget(gi);
9456 }
9457
9458 static void MapTextbuttonGadget(int id)
9459 {
9460   int font_nr = FONT_TEXT_1;
9461   int font_height = getFontHeight(font_nr);
9462   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9463   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9464   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9465   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9466   int yoffset = (gi->height - font_height) / 2;
9467   int x_left = gi->x - xoffset_left;
9468   int x_right = gi->x + gi->width + xoffset_right;
9469   int y_above = gi->y - yoffset_above;
9470   int x = gi->x;
9471   int y = gi->y + yoffset;
9472
9473   // only show button to delete change pages when more than minimum pages
9474   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9475       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9476     return;
9477
9478   if (textbutton_info[id].text_above)
9479     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9480
9481   if (textbutton_info[id].text_left)
9482     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9483
9484   if (textbutton_info[id].text_right)
9485     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9486
9487   MapGadget(gi);
9488 }
9489
9490 static void MapGraphicbuttonGadget(int id)
9491 {
9492   int font_nr = FONT_TEXT_1;
9493   int font_height = getFontHeight(font_nr);
9494   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9495   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9496   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9497   int yoffset = (gi->height - font_height) / 2;
9498   int x_left = gi->x - xoffset_left;
9499   int x_right = gi->x + gi->width + xoffset_right;
9500   int y = gi->y + yoffset;
9501
9502   if (graphicbutton_info[id].text_left)
9503     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9504
9505   if (graphicbutton_info[id].text_right)
9506     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9507
9508   MapGadget(gi);
9509 }
9510
9511 static void MapRadiobuttonGadget(int id)
9512 {
9513   int font_nr = FONT_TEXT_1;
9514   int font_height = getFontHeight(font_nr);
9515   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9516   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9517   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9518   int yoffset = (gi->height - font_height) / 2;
9519   int x_left = gi->x - xoffset_left;
9520   int x_right = gi->x + gi->width + xoffset_right;
9521   int y = gi->y + yoffset;
9522   boolean checked =
9523     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9524
9525   if (radiobutton_info[id].text_left)
9526     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9527
9528   if (radiobutton_info[id].text_right)
9529     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9530
9531   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9532
9533   MapGadget(gi);
9534 }
9535
9536 static void MapCheckbuttonGadget(int id)
9537 {
9538   int font_nr = FONT_TEXT_1;
9539   int font_height = getFontHeight(font_nr);
9540   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9541   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9542   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9543   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9544   int yoffset = (gi->height - font_height) / 2;
9545   int y_above = gi->y - yoffset_above;
9546   int x = gi->x;
9547   int x_left, x_right, y;       // set after gadget position was modified
9548
9549   // set position for gadgets with dynamically determined position
9550   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9551     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9552   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9553
9554   x_left = gi->x - xoffset_left;
9555   x_right = gi->x + gi->width + xoffset_right;
9556   y = gi->y + yoffset;
9557
9558   if (checkbutton_info[id].text_above)
9559     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9560
9561   if (checkbutton_info[id].text_left)
9562     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9563
9564   if (checkbutton_info[id].text_right)
9565     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9566
9567   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9568
9569   MapGadget(gi);
9570 }
9571
9572 static void MapMainDrawingArea(void)
9573 {
9574   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9575   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9576   int i;
9577
9578   if (suppressBorderElement())
9579   {
9580     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9581     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9582   }
9583
9584   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9585   {
9586     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9587           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9588          no_horizontal_scrollbar) ||
9589         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9590           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9591          no_vertical_scrollbar))
9592       continue;
9593
9594     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9595   }
9596
9597   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9598   {
9599     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9600         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9601       continue;
9602
9603     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9604   }
9605
9606   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9607 }
9608
9609 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9610 {
9611   int i;
9612
9613   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9614   {
9615     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9616         i == GADGET_ID_CUSTOM_COPY_TO ||
9617         i == GADGET_ID_CUSTOM_EXCHANGE ||
9618         i == GADGET_ID_CUSTOM_COPY ||
9619         i == GADGET_ID_CUSTOM_PASTE)
9620     {
9621       if (map)
9622         MapGadget(level_editor_gadget[i]);
9623       else
9624         UnmapGadget(level_editor_gadget[i]);
9625     }
9626   }
9627 }
9628
9629 static void MapLevelEditorToolboxCustomGadgets(void)
9630 {
9631   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9632 }
9633
9634 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9635 {
9636   if (IS_CUSTOM_ELEMENT(properties_element) ||
9637       IS_GROUP_ELEMENT(properties_element) ||
9638       IS_EMPTY_ELEMENT(properties_element))
9639     MapLevelEditorToolboxCustomGadgets();
9640 }
9641
9642 static void UnmapLevelEditorToolboxCustomGadgets(void)
9643 {
9644   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9645 }
9646
9647 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9648 {
9649   int i;
9650
9651   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9652   {
9653     if (i != GADGET_ID_SINGLE_ITEMS &&
9654         i != GADGET_ID_PICK_ELEMENT)
9655     {
9656       struct GadgetInfo *gi = level_editor_gadget[i];
9657
9658       if (map)
9659       {
9660         MapGadget(gi);
9661       }
9662       else
9663       {
9664         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9665         struct GraphicInfo *gd = &graphic_info[graphic];
9666
9667         UnmapGadget(gi);
9668
9669         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9670                    gi->width, gi->height, gi->x, gi->y);
9671
9672         redraw_mask |= REDRAW_DOOR_3;
9673       }
9674     }
9675   }
9676 }
9677
9678 static void MapLevelEditorToolboxDrawingGadgets(void)
9679 {
9680   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9681 }
9682
9683 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9684 {
9685   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9686 }
9687
9688 static void UnmapDrawingArea(int id)
9689 {
9690   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9691 }
9692
9693 static void UnmapLevelEditorFieldGadgets(void)
9694 {
9695   int i;
9696
9697   for (i = 0; i < num_editor_gadgets; i++)
9698     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9699                           level_editor_gadget[i]->y))
9700       UnmapGadget(level_editor_gadget[i]);
9701 }
9702
9703 void UnmapLevelEditorGadgets(void)
9704 {
9705   int i;
9706
9707   for (i = 0; i < num_editor_gadgets; i++)
9708     UnmapGadget(level_editor_gadget[i]);
9709 }
9710
9711 static void ResetUndoBuffer(void)
9712 {
9713   undo_buffer_position = -1;
9714   undo_buffer_steps = -1;
9715   redo_buffer_steps = 0;
9716
9717   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9718
9719   level.changed = FALSE;
9720 }
9721
9722 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9723 {
9724   if (remap_toolbox_gadgets)
9725   {
9726     ModifyEditorElementList();
9727     RedrawDrawingElements();
9728   }
9729
9730   if (edit_mode == ED_MODE_LEVELCONFIG)
9731     DrawLevelConfigWindow();
9732   else if (edit_mode == ED_MODE_PROPERTIES)
9733     DrawPropertiesWindow();
9734   else if (edit_mode == ED_MODE_PALETTE)
9735     DrawPaletteWindow();
9736   else  // edit_mode == ED_MODE_DRAWING
9737     DrawDrawingWindowExt(remap_toolbox_gadgets);
9738 }
9739
9740 static void DrawEditModeWindow(void)
9741 {
9742   DrawEditModeWindowExt(TRUE);
9743 }
9744
9745 static void DrawEditModeWindow_PlayfieldOnly(void)
9746 {
9747   DrawEditModeWindowExt(FALSE);
9748 }
9749
9750 static void ChangeEditModeWindow(int new_edit_mode)
9751 {
9752   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9753
9754   DrawEditModeWindow();
9755 }
9756
9757 static boolean LevelChanged(void)
9758 {
9759   boolean field_changed = FALSE;
9760   int x, y;
9761
9762   for (y = 0; y < lev_fieldy; y++)
9763     for (x = 0; x < lev_fieldx; x++)
9764       if (Tile[x][y] != level.field[x][y])
9765         field_changed = TRUE;
9766
9767   return (level.changed || field_changed);
9768 }
9769
9770 static boolean PrepareSavingIntoPersonalLevelSet(void)
9771 {
9772   static LevelDirTree *last_copied_leveldir = NULL;
9773   static LevelDirTree *last_written_leveldir = NULL;
9774   static int last_copied_level_nr = -1;
9775   static int last_written_level_nr = -1;
9776   LevelDirTree *leveldir_former = leveldir_current;
9777   int level_nr_former = level_nr;
9778   int new_level_nr;
9779
9780   // remember last mod/save so that for current session, we write
9781   // back to the same personal copy, asking only about overwrite.
9782   if (leveldir_current == last_copied_leveldir &&
9783       level_nr == last_copied_level_nr)
9784   {
9785     // "cd" to personal level set dir (as used when writing last copy)
9786     leveldir_current = last_written_leveldir;
9787     level_nr = last_written_level_nr;
9788
9789     return TRUE;
9790   }
9791
9792   if (!Request("This level is read-only! "
9793                "Save into personal level set?", REQ_ASK))
9794     return FALSE;
9795
9796   // "cd" to personal level set dir (for writing copy the first time)
9797   leveldir_current =
9798     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9799
9800   // this may happen if "setup.internal.create_user_levelset" is FALSE
9801   // or if file "levelinfo.conf" is missing in personal user level set
9802   if (leveldir_current == NULL)
9803   {
9804     Request("Cannot find personal level set?!", REQ_CONFIRM);
9805
9806     leveldir_current = leveldir_former;
9807
9808     return FALSE;
9809   }
9810
9811   // find unused level number
9812   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9813   {
9814     static char *level_filename = NULL;
9815
9816     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9817
9818     if (!fileExists(level_filename))
9819       break;
9820   }
9821
9822   last_copied_leveldir = leveldir_former;
9823   last_copied_level_nr = level_nr_former;
9824
9825   last_written_leveldir = leveldir_current;
9826   last_written_level_nr = level_nr = new_level_nr;
9827
9828   return TRUE;
9829 }
9830
9831 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9832 {
9833   static char *filename_levelinfo = NULL, *mod_name = NULL;
9834   FILE *file;
9835
9836   // annotate this copy-and-mod in personal levelinfo.conf
9837   setString(&filename_levelinfo,
9838             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9839
9840   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9841   {
9842     fprintf(file, "\n");
9843     fprintf(file, "# level %d was modified from:\n", level_nr);
9844     fprintf(file, "# - previous level set name:    %s\n",
9845             former_name);
9846     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9847             level.file_info.nr, level.name);
9848     fprintf(file, "# - previous author:            %s\n",
9849             level.author);
9850     fprintf(file, "# - previous save date:         ");
9851
9852     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9853     {
9854       fprintf(file, "%04d-%02d-%02d\n",
9855               level.creation_date.year,
9856               level.creation_date.month,
9857               level.creation_date.day);
9858     }
9859     else
9860     {
9861       fprintf(file, "not recorded\n");
9862     }
9863
9864     fclose(file);
9865   }
9866
9867   if (level_nr > leveldir_current->last_level)
9868     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9869
9870   // else: allow the save even if annotation failed
9871
9872   // now... spray graffiti on the old level vital statistics
9873   // user can change these; just trying to set a good baseline
9874
9875   // don't truncate names for fear of making offensive or silly:
9876   // long-named original author only recorded in levelinfo.conf.
9877   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9878   if (!strEqual(level.author, leveldir_current->author))
9879   {
9880     setString(&mod_name, getStringCat3(leveldir_current->author,
9881                                        " after ", level.author));
9882
9883     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9884       setString(&mod_name,
9885                 getStringCat2(leveldir_current->author, " (ed.)"));
9886
9887     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9888       setString(&mod_name, leveldir_current->author);
9889
9890     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9891
9892     // less worried about truncation here
9893     setString(&mod_name, getStringCat2("Mod: ", level.name));
9894     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9895   }
9896 }
9897
9898 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9899                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9900 {
9901   int x, y;
9902
9903   for (x = 0; x < lev_fieldx; x++)
9904     for (y = 0; y < lev_fieldy; y++)
9905       dst[x][y] = src[x][y];
9906 }
9907
9908 static int setSelectboxValue(int selectbox_id, int new_value)
9909 {
9910   int new_index_value = 0;
9911   int i;
9912
9913   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9914     if (selectbox_info[selectbox_id].options[i].value == new_value)
9915       new_index_value = i;
9916
9917   *selectbox_info[selectbox_id].value =
9918     selectbox_info[selectbox_id].options[new_index_value].value;
9919
9920   return new_index_value;
9921 }
9922
9923 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9924 {
9925   int i;
9926
9927   // change action mode and arg variables according to action type variable
9928   for (i = 0; action_arg_options[i].value != -1; i++)
9929   {
9930     if (action_arg_options[i].value == custom_element_change.action_type)
9931     {
9932       int mode = action_arg_options[i].mode;
9933
9934       // only change if corresponding selectbox has changed
9935       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9936           action_arg_modes[mode])
9937         custom_element_change.action_mode = -1;
9938
9939       // only change if corresponding selectbox has changed
9940       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9941           action_arg_options[i].options)
9942         custom_element_change.action_arg = -1;
9943
9944       break;
9945     }
9946   }
9947 }
9948
9949 static void setSelectboxSpecialActionOptions(void)
9950 {
9951   int i;
9952
9953   // change action mode and arg selectbox according to action type selectbox
9954   for (i = 0; action_arg_options[i].value != -1; i++)
9955   {
9956     if (action_arg_options[i].value == custom_element_change.action_type)
9957     {
9958       int mode = action_arg_options[i].mode;
9959
9960       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9961                                    action_arg_modes[mode]);
9962       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9963                                  custom_element_change.action_mode);
9964
9965       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9966                                    action_arg_options[i].options);
9967       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9968                                  custom_element_change.action_arg);
9969       break;
9970     }
9971   }
9972 }
9973
9974 static void copy_custom_element_settings(int element_from, int element_to)
9975 {
9976   struct ElementInfo *ei_from = &element_info[element_from];
9977   struct ElementInfo *ei_to = &element_info[element_to];
9978
9979   copyElementInfo(ei_from, ei_to);
9980 }
9981
9982 static void replace_custom_element_in_settings(int element_from,
9983                                                int element_to)
9984 {
9985   int i, j, x, y;
9986
9987   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9988   {
9989     struct ElementInfo *ei = &element_info[i];
9990
9991     for (y = 0; y < 3; y++)
9992       for (x = 0; x < 3; x++)
9993         if (ei->content.e[x][y] == element_from)
9994           ei->content.e[x][y] = element_to;
9995
9996     for (j = 0; j < ei->num_change_pages; j++)
9997     {
9998       struct ElementChangeInfo *change = &ei->change_page[j];
9999
10000       if (change->target_element == element_from)
10001         change->target_element = element_to;
10002
10003       if (change->initial_trigger_element == element_from)
10004         change->initial_trigger_element = element_to;
10005
10006       if (change->action_element == element_from)
10007         change->action_element = element_to;
10008
10009       for (y = 0; y < 3; y++)
10010         for (x = 0; x < 3; x++)
10011           if (change->target_content.e[x][y] == element_from)
10012             change->target_content.e[x][y] = element_to;
10013     }
10014
10015     if (ei->group != NULL)                              // group or internal
10016       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
10017         if (ei->group->element[j] == element_from)
10018           ei->group->element[j] = element_to;
10019   }
10020 }
10021
10022 static void replace_custom_element_in_playfield(int element_from,
10023                                                 int element_to)
10024 {
10025   int x, y;
10026
10027   for (x = 0; x < lev_fieldx; x++)
10028     for (y = 0; y < lev_fieldy; y++)
10029       if (Tile[x][y] == element_from)
10030         Tile[x][y] = element_to;
10031 }
10032
10033 static boolean CopyCustomElement(int element_old, int element_new,
10034                                  int copy_mode)
10035 {
10036   int copy_mode_orig = copy_mode;
10037
10038   if (copy_mode == GADGET_ID_CUSTOM_COPY)
10039   {
10040     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
10041                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
10042     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
10043   }
10044   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
10045   {
10046     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
10047                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
10048     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
10049
10050     level.changed = TRUE;
10051   }
10052   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
10053   {
10054     Request("Please choose custom element!", REQ_CONFIRM);
10055
10056     return FALSE;
10057   }
10058   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
10059   {
10060     Request("Please choose group element!", REQ_CONFIRM);
10061
10062     return FALSE;
10063   }
10064   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
10065   {
10066     Request("Please choose empty element!", REQ_CONFIRM);
10067
10068     return FALSE;
10069   }
10070   else
10071   {
10072     level.changed = TRUE;
10073   }
10074
10075   // when modifying custom/group element, ask for copying level template
10076   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
10077   {
10078     if (!AskToCopyAndModifyLevelTemplate())
10079       return FALSE;
10080   }
10081
10082   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
10083   {
10084     copy_custom_element_settings(element_new, element_old);
10085   }
10086   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
10087   {
10088     copy_custom_element_settings(element_old, element_new);
10089   }
10090   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
10091   {
10092     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
10093     copy_custom_element_settings(element_new, element_old);
10094     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
10095
10096     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
10097     replace_custom_element_in_settings(element_new, element_old);
10098     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
10099
10100     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
10101     replace_custom_element_in_playfield(element_new, element_old);
10102     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
10103   }
10104
10105   UpdateCustomElementGraphicGadgets();
10106   DrawPropertiesWindow();
10107
10108   return TRUE;
10109 }
10110
10111 static void CopyCustomElementPropertiesToEditor(int element)
10112 {
10113   int i;
10114   int current_change_page = element_info[element].current_change_page;
10115
10116   // dynamically (re)build selectbox for selecting change page
10117   for (i = 0; i < element_info[element].num_change_pages; i++)
10118   {
10119     sprintf(options_change_page_strings[i], "%d", i + 1);
10120
10121     options_change_page[i].value = i;
10122     options_change_page[i].text = options_change_page_strings[i];
10123   }
10124
10125   options_change_page[i].value = -1;
10126   options_change_page[i].text = NULL;
10127
10128   // needed here to initialize combined element properties
10129   InitElementPropertiesEngine(level.game_version);
10130
10131   element_info[element].change =
10132     &element_info[element].change_page[current_change_page];
10133
10134   custom_element = element_info[element];
10135   custom_element_change = *element_info[element].change;
10136
10137   // needed to initially set selectbox options for special action options
10138   setSelectboxSpecialActionOptions();
10139
10140   // needed to initially set selectbox value variables to reliable defaults
10141   for (i = 0; i < ED_NUM_SELECTBOX; i++)
10142     setSelectboxValue(i, *selectbox_info[i].value);
10143
10144   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10145     custom_element_properties[i] = HAS_PROPERTY(element, i);
10146
10147   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10148     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
10149
10150   // ---------- element settings: configure (custom elements) -----------------
10151
10152   // set accessible layer selectbox help value
10153   custom_element.access_type =
10154     (IS_WALKABLE(element) ? EP_WALKABLE :
10155      IS_PASSABLE(element) ? EP_PASSABLE :
10156      custom_element.access_type);
10157   custom_element.access_layer =
10158     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
10159      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
10160      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
10161      custom_element.access_layer);
10162   custom_element.access_protected =
10163     (IS_PROTECTED(element) ? 1 : 0);
10164   custom_element_properties[EP_ACCESSIBLE] =
10165     (IS_ACCESSIBLE_OVER(element) ||
10166      IS_ACCESSIBLE_INSIDE(element) ||
10167      IS_ACCESSIBLE_UNDER(element));
10168
10169   // set walk-to-object action selectbox help value
10170   custom_element.walk_to_action =
10171     (IS_DIGGABLE(element) ? EP_DIGGABLE :
10172      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
10173      IS_DROPPABLE(element) ? EP_DROPPABLE :
10174      IS_THROWABLE(element) ? EP_THROWABLE :
10175      IS_PUSHABLE(element) ? EP_PUSHABLE :
10176      custom_element.walk_to_action);
10177   custom_element_properties[EP_WALK_TO_OBJECT] =
10178     (IS_DIGGABLE(element) ||
10179      IS_COLLECTIBLE_ONLY(element) ||
10180      IS_DROPPABLE(element) ||
10181      IS_THROWABLE(element) ||
10182      IS_PUSHABLE(element));
10183
10184   // set smash targets selectbox help value
10185   custom_element.smash_targets =
10186     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
10187      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
10188      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
10189      custom_element.smash_targets);
10190   custom_element_properties[EP_CAN_SMASH] =
10191     (CAN_SMASH_EVERYTHING(element) ||
10192      CAN_SMASH_ENEMIES(element) ||
10193      CAN_SMASH_PLAYER(element));
10194
10195   // set deadliness selectbox help value
10196   custom_element.deadliness =
10197     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
10198      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
10199      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
10200      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
10201      custom_element.deadliness);
10202   custom_element_properties[EP_DEADLY] =
10203     (DONT_TOUCH(element) ||
10204      DONT_GET_HIT_BY(element) ||
10205      DONT_COLLIDE_WITH(element) ||
10206      DONT_RUN_INTO(element));
10207
10208   // ---------- element settings: advanced (custom elements) ------------------
10209
10210   // set "change by direct action" selectbox help value
10211   custom_element_change.direct_action =
10212     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
10213      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
10214      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
10215      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
10216      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
10217      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
10218      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
10219      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
10220      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
10221      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
10222      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
10223      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
10224      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
10225      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
10226      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
10227      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
10228      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
10229      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
10230      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
10231      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
10232      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
10233      custom_element_change.direct_action);
10234
10235   // set "change by other element action" selectbox help value
10236   custom_element_change.other_action =
10237     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
10238      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
10239      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
10240      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
10241      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
10242      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
10243      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
10244      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
10245      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
10246      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
10247      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
10248      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
10249      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
10250      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
10251      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
10252      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
10253      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
10254      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
10255      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
10256      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
10257      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
10258      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
10259      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
10260      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
10261      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
10262      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
10263      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
10264      custom_element_change.other_action);
10265 }
10266
10267 static void CopyGroupElementPropertiesToEditor(int element)
10268 {
10269   group_element_info = *element_info[element].group;
10270   custom_element = element_info[element];       // needed for description
10271 }
10272
10273 static void CopyEmptyElementPropertiesToEditor(int element)
10274 {
10275   custom_element = element_info[element];
10276 }
10277
10278 static void CopyClassicElementPropertiesToEditor(int element)
10279 {
10280   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10281     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
10282       getMoveIntoAcidProperty(&level, element);
10283
10284   if (MAYBE_DONT_COLLIDE_WITH(element))
10285     custom_element_properties[EP_DONT_COLLIDE_WITH] =
10286       getDontCollideWithProperty(&level, element);
10287 }
10288
10289 static void CopyElementPropertiesToEditor(int element)
10290 {
10291   if (IS_CUSTOM_ELEMENT(element))
10292     CopyCustomElementPropertiesToEditor(element);
10293   else if (IS_GROUP_ELEMENT(element))
10294     CopyGroupElementPropertiesToEditor(element);
10295   else if (IS_EMPTY_ELEMENT(element))
10296     CopyEmptyElementPropertiesToEditor(element);
10297   else
10298     CopyClassicElementPropertiesToEditor(element);
10299 }
10300
10301 static boolean AskToCopyAndModifyLevelTemplate(void)
10302 {
10303   if (Request("Copy and modify settings from level template?", REQ_ASK))
10304   {
10305     level.use_custom_template = FALSE;
10306
10307     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
10308                  GDI_CHECKED, FALSE, GDI_END);
10309     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
10310                  GDI_CHECKED, FALSE, GDI_END);
10311
10312     return TRUE;
10313   }
10314   else
10315   {
10316     LoadLevelTemplate(-1);      // this resets all element modifications ...
10317
10318     DrawEditModeWindow();       // ... and copies them to 'custom_element'
10319
10320     return FALSE;
10321   }
10322 }
10323
10324 static void CopyCustomElementPropertiesToGame(int element)
10325 {
10326   int i;
10327   int access_type_and_layer;
10328
10329   // mark that this custom element has been modified
10330   custom_element.modified_settings = TRUE;
10331   level.changed = TRUE;
10332
10333   if (level.use_custom_template)
10334     AskToCopyAndModifyLevelTemplate();
10335
10336   element_info[element] = custom_element;
10337   *element_info[element].change = custom_element_change;
10338
10339   // ---------- element settings: configure (custom elements) -----------------
10340
10341   // set accessible property from checkbox and selectbox
10342   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
10343   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
10344   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
10345   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
10346   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
10347   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
10348   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
10349                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
10350                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
10351   custom_element_properties[access_type_and_layer] =
10352     custom_element_properties[EP_ACCESSIBLE];
10353   custom_element_properties[EP_PROTECTED] =
10354     (custom_element.access_protected != 0 &&
10355      custom_element_properties[EP_ACCESSIBLE]);
10356
10357   // set walk-to-object property from checkbox and selectbox
10358   custom_element_properties[EP_DIGGABLE] = FALSE;
10359   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
10360   custom_element_properties[EP_DROPPABLE] = FALSE;
10361   custom_element_properties[EP_THROWABLE] = FALSE;
10362   custom_element_properties[EP_PUSHABLE] = FALSE;
10363   custom_element_properties[custom_element.walk_to_action] =
10364     custom_element_properties[EP_WALK_TO_OBJECT];
10365
10366   // set smash property from checkbox and selectbox
10367   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
10368   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
10369   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
10370   custom_element_properties[custom_element.smash_targets] =
10371     custom_element_properties[EP_CAN_SMASH];
10372
10373   // set deadliness property from checkbox and selectbox
10374   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
10375   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
10376   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
10377   custom_element_properties[EP_DONT_TOUCH] = FALSE;
10378   custom_element_properties[custom_element.deadliness] =
10379     custom_element_properties[EP_DEADLY];
10380
10381   // ---------- element settings: advanced (custom elements) ------------------
10382
10383   // set player change event from checkbox and selectbox
10384   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
10385   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
10386   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
10387   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
10388   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
10389   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
10390   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
10391   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
10392   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
10393   custom_element_change_events[CE_SWITCHED] = FALSE;
10394   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10395   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10396   custom_element_change_events[CE_BLOCKED] = FALSE;
10397   custom_element_change_events[CE_IMPACT] = FALSE;
10398   custom_element_change_events[CE_SMASHED] = FALSE;
10399   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10400   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10401   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10402   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10403   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10404   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10405   custom_element_change_events[custom_element_change.direct_action] =
10406     custom_element_change_events[CE_BY_DIRECT_ACTION];
10407
10408   // set other element action change event from checkbox and selectbox
10409   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10410   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10411   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10412   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10413   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10414   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10415   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10416   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10417   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10418   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10419   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10420   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10421   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10422   custom_element_change_events[CE_HITTING_X] = FALSE;
10423   custom_element_change_events[CE_DIGGING_X] = FALSE;
10424   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10425   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10426   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10427   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10428   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10429   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10430   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10431   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10432   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10433   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10434   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10435   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10436   custom_element_change_events[custom_element_change.other_action] =
10437     custom_element_change_events[CE_BY_OTHER_ACTION];
10438
10439   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10440     SET_PROPERTY(element, i, custom_element_properties[i]);
10441
10442   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10443     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10444
10445   // copy change events also to special level editor variable
10446   custom_element = element_info[element];
10447   custom_element_change = *element_info[element].change;
10448
10449   // needed here to restore runtime value "element_info[element].gfx_element"
10450   InitElementPropertiesGfxElement();
10451 }
10452
10453 static void CopyGroupElementPropertiesToGame(int element)
10454 {
10455   // mark that this group element has been modified
10456   custom_element.modified_settings = TRUE;
10457   level.changed = TRUE;
10458
10459   if (level.use_custom_template)
10460     AskToCopyAndModifyLevelTemplate();
10461
10462   element_info[element] = custom_element;
10463   *element_info[element].group = group_element_info;
10464
10465   // needed here to restore runtime value "element_info[element].gfx_element"
10466   InitElementPropertiesGfxElement();
10467 }
10468
10469 static void CopyEmptyElementPropertiesToGame(int element)
10470 {
10471   // mark that this empty element has been modified
10472   custom_element.modified_settings = TRUE;
10473   level.changed = TRUE;
10474
10475   if (level.use_custom_template)
10476     AskToCopyAndModifyLevelTemplate();
10477
10478   element_info[element] = custom_element;
10479
10480   // needed here to restore runtime value "element_info[element].gfx_element"
10481   InitElementPropertiesGfxElement();
10482 }
10483
10484 static void CopyClassicElementPropertiesToGame(int element)
10485 {
10486   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10487     setMoveIntoAcidProperty(&level, element,
10488                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10489
10490   if (MAYBE_DONT_COLLIDE_WITH(element))
10491     setDontCollideWithProperty(&level, element,
10492                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10493 }
10494
10495 static void CopyElementPropertiesToGame(int element)
10496 {
10497   if (IS_CUSTOM_ELEMENT(element))
10498     CopyCustomElementPropertiesToGame(element);
10499   else if (IS_GROUP_ELEMENT(element))
10500     CopyGroupElementPropertiesToGame(element);
10501   else if (IS_EMPTY_ELEMENT(element))
10502     CopyEmptyElementPropertiesToGame(element);
10503   else
10504     CopyClassicElementPropertiesToGame(element);
10505 }
10506
10507 #if DEBUG
10508 static void CheckElementDescriptions(void)
10509 {
10510   int i;
10511
10512   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10513     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10514       Warn("no element description file for element '%s'", EL_NAME(i));
10515 }
10516 #endif
10517
10518 static int getMaxEdFieldX(boolean has_scrollbar)
10519 {
10520   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10521   int sxsize = SXSIZE - scrollbar_width;
10522   int max_ed_fieldx = sxsize / ed_tilesize;
10523
10524   return max_ed_fieldx;
10525 }
10526
10527 static int getMaxEdFieldY(boolean has_scrollbar)
10528 {
10529   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10530                          INFOTEXT_YSIZE_FULL : 0);
10531   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10532   int sysize = SYSIZE - scrollbar_height - infotext_height;
10533   int max_ed_fieldy = sysize / ed_tilesize;
10534
10535   return max_ed_fieldy;
10536 }
10537
10538 static void InitZoomLevelSettings(int zoom_tilesize)
10539 {
10540   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10541
10542   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10543   {
10544     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10545     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10546
10547     // make sure that tile size is always a power of 2
10548     ed_tilesize = (1 << log_2(ed_tilesize));
10549
10550     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10551     {
10552       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10553       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10554     }
10555   }
10556
10557   last_game_engine_type = level.game_engine_type;
10558
10559   // limit zoom tilesize by upper and lower bound
10560   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10561
10562   // store zoom tilesize in auto setup file only if it was manually changed
10563   if (zoom_tilesize != -1)
10564     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10565
10566   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10567   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10568 }
10569
10570 static void InitDrawingElements(void)
10571 {
10572   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10573
10574   if (level.game_engine_type == game_engine_type_last)
10575     return;
10576
10577   // select drawing elements according to game engine type
10578   new_element1 = getDrawingElement(EL_WALL);
10579   new_element2 = getDrawingElement(EL_EMPTY);
10580   new_element3 = getDrawingElement(EL_SAND);
10581
10582   game_engine_type_last = level.game_engine_type;
10583 }
10584
10585 static void InitLevelSetInfo(void)
10586 {
10587   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10588            "%s", leveldir_current->name);
10589   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10590            "%s", leveldir_current->author);
10591
10592   levelset_num_levels = leveldir_current->levels;
10593
10594   levelset_use_levelset_artwork = FALSE;
10595   levelset_copy_level_template = FALSE;
10596
10597   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10598 }
10599
10600 static void ChangeEditorToLevelSet(char *levelset_subdir)
10601 {
10602   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10603
10604   // the previous level set might have used custom artwork
10605   ReloadCustomArtwork(0);
10606
10607   LoadLevelSetup_SeriesInfo();
10608
10609   SaveLevelSetup_LastSeries();
10610   SaveLevelSetup_SeriesInfo();
10611
10612   TapeErase();
10613
10614   LoadLevel(level_nr);
10615   LoadScore(level_nr);
10616
10617   DrawLevelEd();
10618 }
10619
10620 static boolean useEditorDoorAnimation(void)
10621 {
10622   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10623   boolean door_1_viewport_unchanged =
10624     (vp_door_1->x      == DX     &&
10625      vp_door_1->y      == DY     &&
10626      vp_door_1->width  == DXSIZE &&
10627      vp_door_1->height == DYSIZE);
10628   boolean door_1_contains_toolbox =
10629     (EX >= DX &&
10630      EY >= DY &&
10631      EX + EXSIZE <= DX + DXSIZE &&
10632      EY + EYSIZE <= DY + DYSIZE);
10633
10634   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10635 }
10636
10637 static void DrawEditorDoorBackground(int graphic, int x, int y,
10638                                      int width, int height)
10639 {
10640   struct GraphicInfo *g = &graphic_info[graphic];
10641
10642   if (g->bitmap != NULL)
10643     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10644                MIN(width, g->width), MIN(height, g->height), x, y);
10645   else
10646     ClearRectangle(drawto, x, y, width, height);
10647 }
10648
10649 static void DrawEditorDoorContent(void)
10650 {
10651   // needed for gadgets drawn on background (like palette scrollbar)
10652   SetDoorBackgroundImage(IMG_UNDEFINED);
10653
10654   // copy default editor door content to main double buffer
10655   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10656
10657   // draw bigger door
10658   DrawSpecialEditorDoor();
10659
10660   // draw new control window
10661   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10662
10663   // draw all toolbox gadgets to editor doors
10664   MapControlButtons();
10665
10666   // when returning from test game to properties page, redraw toolbox gadgets
10667   if (edit_mode == ED_MODE_PROPERTIES)
10668   {
10669     UnmapLevelEditorToolboxDrawingGadgets();
10670     UnmapLevelEditorToolboxCustomGadgets();
10671
10672     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10673   }
10674
10675   // draw all palette gadgets to editor doors
10676   ModifyEditorElementList();
10677   RedrawDrawingElements();
10678
10679   // copy actual editor door content to door double buffer for OpenDoor()
10680   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10681 }
10682
10683 void DrawLevelEd(void)
10684 {
10685   int fade_mask = REDRAW_FIELD;
10686
10687   FadeSoundsAndMusic();
10688
10689   if (CheckFadeAll())
10690     fade_mask = REDRAW_ALL;
10691
10692   FadeOut(fade_mask);
10693
10694   // needed if different viewport properties defined for editor
10695   ChangeViewportPropertiesIfNeeded();
10696
10697   ClearField();
10698
10699   InitZoomLevelSettings(-1);
10700   InitDrawingElements();
10701   InitLevelSetInfo();
10702
10703 #if DEBUG
10704   CheckElementDescriptions();
10705 #endif
10706
10707   if (level_editor_test_game)
10708   {
10709     CopyPlayfield(level.field, Tile);
10710     CopyPlayfield(TileBackup, level.field);
10711
10712     level_editor_test_game = FALSE;
10713   }
10714   else
10715   {
10716     edit_mode = ED_MODE_DRAWING;
10717     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10718     edit_mode_engineconfig = ED_MODE_ENGINECONFIG_CONFIG;
10719     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10720
10721     ResetUndoBuffer();
10722
10723     level_xpos = -1;
10724     level_ypos = -1;
10725   }
10726
10727   // redraw_mask |= REDRAW_ALL;
10728
10729   FreeLevelEditorGadgets();
10730   CreateLevelEditorGadgets();
10731
10732   ReinitializeElementList();            // update dynamic level element list
10733   ReinitializeElementListButtons();     // custom element may look different
10734
10735   InitElementPropertiesGfxElement();
10736
10737   UnmapAllGadgets();
10738
10739   DrawEditModeWindow_PlayfieldOnly();
10740
10741   DrawMaskedBorder(fade_mask);
10742
10743   // use door animation if door 1 viewport is unchanged and contains toolbox
10744   if (useEditorDoorAnimation())
10745   {
10746     FadeIn(fade_mask);
10747
10748     DrawEditorDoorContent();
10749
10750     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10751   }
10752   else
10753   {
10754     DrawEditorDoorContent();
10755
10756     FadeIn(fade_mask);
10757   }
10758
10759   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10760 }
10761
10762 static void AdjustDrawingAreaGadgets(void)
10763 {
10764   int ed_xsize = lev_fieldx + 2;
10765   int ed_ysize = lev_fieldy + 2;
10766   int max_ed_fieldx = MAX_ED_FIELDX;
10767   int max_ed_fieldy = MAX_ED_FIELDY;
10768   boolean horizontal_scrollbar_needed;
10769   boolean vertical_scrollbar_needed;
10770   int x, y, width, height;
10771
10772   if (suppressBorderElement())
10773   {
10774     ed_xsize = lev_fieldx;
10775     ed_ysize = lev_fieldy;
10776   }
10777
10778   // check if we need any scrollbars
10779   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10780   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10781
10782   // check if we have a smaller editor field because of scrollbars
10783   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10784   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10785
10786   // check again if we now need more scrollbars because of less space
10787   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10788   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10789
10790   // check if editor field gets even smaller after adding new scrollbars
10791   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10792   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10793
10794   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10795   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10796
10797   x = SX + ed_fieldx * ed_tilesize;
10798   y = SY + ed_fieldy * ed_tilesize;
10799
10800   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10801   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10802
10803   // adjust drawing area gadget
10804   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10805                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10806                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10807                GDI_END);
10808
10809   // adjust horizontal scrollbar gadgets
10810   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10811                GDI_Y, y,
10812                GDI_END);
10813   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10814                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10815                GDI_Y, y,
10816                GDI_END);
10817   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10818                GDI_Y, y,
10819                GDI_WIDTH, width,
10820                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10821                GDI_END);
10822
10823   // adjust vertical scrollbar gadgets
10824   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10825                GDI_X, x,
10826                GDI_END);
10827   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10828                GDI_X, x,
10829                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10830                GDI_END);
10831   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10832                GDI_X, x,
10833                GDI_HEIGHT, height,
10834                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10835                GDI_END);
10836 }
10837
10838 static void AdjustLevelScrollPosition(void)
10839 {
10840   if (level_xpos < -1)
10841     level_xpos = -1;
10842   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10843     level_xpos = lev_fieldx - ed_fieldx + 1;
10844   if (lev_fieldx < ed_fieldx - 2)
10845     level_xpos = -1;
10846
10847   if (level_ypos < -1)
10848     level_ypos = -1;
10849   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10850     level_ypos = lev_fieldy - ed_fieldy + 1;
10851   if (lev_fieldy < ed_fieldy - 2)
10852     level_ypos = -1;
10853
10854   if (suppressBorderElement())
10855   {
10856     level_xpos = 0;
10857     level_ypos = 0;
10858   }
10859 }
10860
10861 static void AdjustEditorScrollbar(int id)
10862 {
10863   struct GadgetInfo *gi = level_editor_gadget[id];
10864   int items_max, items_visible, item_position;
10865
10866   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10867   {
10868     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10869     items_visible = ed_fieldx;
10870     item_position = level_xpos + 1;
10871   }
10872   else
10873   {
10874     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10875     items_visible = ed_fieldy;
10876     item_position = level_ypos + 1;
10877   }
10878
10879   if (item_position > items_max - items_visible)
10880     item_position = items_max - items_visible;
10881
10882   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10883                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10884 }
10885
10886 static void AdjustElementListScrollbar(void)
10887 {
10888   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10889   int items_max, items_visible, item_position;
10890
10891   // correct position of element list scrollbar
10892   if (element_shift < 0)
10893     element_shift = 0;
10894   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10895     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10896
10897   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10898   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10899   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10900
10901   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10902                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10903                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10904 }
10905
10906 static void ModifyEditorCounterValue(int counter_id, int new_value)
10907 {
10908   int *counter_value = counterbutton_info[counter_id].value;
10909   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10910   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10911
10912   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10913
10914   if (counter_value != NULL)
10915     *counter_value = gi->textinput.number_value;
10916 }
10917
10918 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10919 {
10920   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10921   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10922
10923   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10924
10925   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10926       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10927   {
10928     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10929     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10930
10931     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10932     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10933                  GDI_END);
10934   }
10935 }
10936
10937 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10938 {
10939   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10940   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10941   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10942
10943   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10944 }
10945
10946 static void ModifyEditorSelectboxOptions(int selectbox_id,
10947                                          struct ValueTextInfo *options)
10948 {
10949   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10950   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10951
10952   selectbox_info[selectbox_id].options = options;
10953
10954   // set index to zero -- list may be shorter now (correct later, if needed)
10955   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10956                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10957 }
10958
10959 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10960 {
10961   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10962   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10963
10964   drawingarea_info[drawingarea_id].area_xsize = xsize;
10965   drawingarea_info[drawingarea_id].area_ysize = ysize;
10966
10967   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10968 }
10969
10970 static void ModifyEditorElementList(void)
10971 {
10972   int i;
10973
10974   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10975     return;
10976
10977   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10978   {
10979     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10980     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10981     struct GadgetDesign *gd = &gi->deco.design;
10982     int element = editor_elements[element_shift + i];
10983     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10984
10985     UnmapGadget(gi);
10986
10987     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10988
10989     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10990
10991     MapGadget(gi);
10992   }
10993 }
10994
10995 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10996 {
10997   int graphic = el2edimg(element);
10998   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10999
11000   if (pos->x == -1 &&
11001       pos->y == -1)
11002     return;
11003
11004   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
11005 }
11006
11007 static void ModifyDrawingElementButton(int element, int id)
11008 {
11009   struct GadgetInfo *gi = level_editor_gadget[id];
11010   Bitmap *deco_bitmap;
11011   int deco_x, deco_y;
11012   int tile_size = gi->deco.width;
11013
11014   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
11015
11016   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
11017 }
11018
11019 static void PickDrawingElement(int button, int element)
11020 {
11021   struct
11022   {
11023     int *new_element;
11024     struct XYTileSize *pos;
11025     int id;
11026   } de, drawing_elements[] =
11027   {
11028     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
11029     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
11030     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
11031   };
11032
11033   if (button < 1 || button > 3)
11034     return;
11035
11036   if (IS_MM_WALL(element))
11037     element = map_mm_wall_element(element);
11038
11039   de = drawing_elements[button - 1];
11040
11041   *de.new_element = element;    // update global drawing element variable
11042
11043   DrawDrawingElementGraphic(element, de.pos);
11044   ModifyDrawingElementButton(element, de.id);
11045
11046   redraw_mask |= REDRAW_DOOR_1;
11047 }
11048
11049 static void RedrawDrawingElements(void)
11050 {
11051   PickDrawingElement(1, new_element1);
11052   PickDrawingElement(2, new_element2);
11053   PickDrawingElement(3, new_element3);
11054 }
11055
11056 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
11057 {
11058   stick_element_properties_window = FALSE;
11059
11060   SetMainBackgroundImage(IMG_UNDEFINED);
11061   ClearField();
11062
11063   UnmapLevelEditorFieldGadgets();
11064
11065   AdjustDrawingAreaGadgets();
11066   AdjustLevelScrollPosition();
11067   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
11068   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
11069
11070   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11071
11072   MapMainDrawingArea();
11073
11074   if (remap_toolbox_gadgets)
11075   {
11076     UnmapLevelEditorToolboxCustomGadgets();
11077     MapLevelEditorToolboxDrawingGadgets();
11078   }
11079 }
11080
11081 static void DrawDrawingWindow(void)
11082 {
11083   DrawDrawingWindowExt(TRUE);
11084 }
11085
11086 static int getTabulatorBarWidth(void)
11087 {
11088   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11089   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
11090
11091   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
11092 }
11093
11094 static int getTabulatorBarHeight(void)
11095 {
11096   return ED_TAB_BAR_HEIGHT;
11097 }
11098
11099 static Pixel getTabulatorBarColor(void)
11100 {
11101   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
11102   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11103   int gd_x = gd->x + gd_gi1->border.width / 2;
11104   int gd_y = gd->y + gd_gi1->height - 1;
11105
11106   return GetPixel(gd->bitmap, gd_x, gd_y);
11107 }
11108
11109 static void DrawEngineConfigTabulatorGadgets(void)
11110 {
11111   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_ENGINECONFIG_CONFIG];
11112   Pixel tab_color = getTabulatorBarColor();
11113   int id_first = ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG;
11114   int id_last  = ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS;
11115   int i;
11116
11117   for (i = id_first; i <= id_last; i++)
11118   {
11119     int gadget_id = textbutton_info[i].gadget_id;
11120     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11121     boolean active = (i != edit_mode_engineconfig);
11122
11123     // draw background line below tabulator button
11124     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11125
11126     // draw solid line below inactive tabulator buttons
11127     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11128       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11129                     ED_GADGET_TINY_DISTANCE, tab_color);
11130
11131     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11132     MapTextbuttonGadget(i);
11133   }
11134
11135   // draw little border line below tabulator buttons
11136   if (tab_color != BLACK_PIXEL)                 // black => transparent
11137     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11138                   ED_GADGET_TINY_DISTANCE,
11139                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11140 }
11141
11142 static void DrawLevelConfigTabulatorGadgets(void)
11143 {
11144   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
11145   Pixel tab_color = getTabulatorBarColor();
11146   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
11147   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
11148   int i;
11149
11150   // draw additional "engine" tabulator when using native BD engine
11151   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
11152     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
11153
11154   for (i = id_first; i <= id_last; i++)
11155   {
11156     int gadget_id = textbutton_info[i].gadget_id;
11157     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11158     boolean active = (i != edit_mode_levelconfig);
11159
11160     // draw background line below tabulator button
11161     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11162
11163     // draw solid line below inactive tabulator buttons
11164     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11165       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11166                     ED_GADGET_TINY_DISTANCE, tab_color);
11167
11168     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11169     MapTextbuttonGadget(i);
11170   }
11171
11172   // draw little border line below tabulator buttons
11173   if (tab_color != BLACK_PIXEL)                 // black => transparent
11174     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11175                   ED_GADGET_TINY_DISTANCE,
11176                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11177
11178   // draw second row of engine related tabulators when using native BD engine
11179   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11180     DrawEngineConfigTabulatorGadgets();
11181 }
11182
11183 static void DrawPropertiesTabulatorGadgets(void)
11184 {
11185   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11186   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11187   int gd_x = gd->x + gd_gi1->border.width / 2;
11188   int gd_y = gd->y + gd_gi1->height - 1;
11189   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11190   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
11191   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
11192   int i;
11193
11194   // draw two config tabulators for player elements
11195   if (IS_PLAYER_ELEMENT(properties_element))
11196     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
11197
11198   // draw two config and one "change" tabulator for custom elements
11199   if (IS_CUSTOM_ELEMENT(properties_element))
11200     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
11201
11202   for (i = id_first; i <= id_last; i++)
11203   {
11204     int gadget_id = textbutton_info[i].gadget_id;
11205     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11206     boolean active = (i != edit_mode_properties);
11207
11208     // use "config 1" and "config 2" instead of "config" for players and CEs
11209     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
11210         (IS_PLAYER_ELEMENT(properties_element) ||
11211          IS_CUSTOM_ELEMENT(properties_element)))
11212       continue;
11213
11214     // draw background line below tabulator button
11215     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11216
11217     // draw solid line below inactive tabulator buttons
11218     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11219       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11220                     ED_GADGET_TINY_DISTANCE, tab_color);
11221
11222     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11223     MapTextbuttonGadget(i);
11224   }
11225
11226   // draw little border line below tabulator buttons
11227   if (tab_color != BLACK_PIXEL)                 // black => transparent
11228     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11229                   ED_GADGET_TINY_DISTANCE,
11230                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11231 }
11232
11233 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
11234 {
11235   DrawText(SX + xpos, SY + ypos, text, font_nr);
11236 }
11237
11238 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
11239                                            int xpos, int ypos)
11240 {
11241   int font_width = getFontWidth(font_nr);
11242   int font_height = getFontHeight(font_nr);
11243   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
11244   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
11245
11246   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
11247                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
11248                       TRUE, FALSE, FALSE);
11249 }
11250
11251 static void DrawLevelConfigLevel(void)
11252 {
11253   int i;
11254
11255   // draw counter gadgets
11256   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
11257     MapCounterButtons(i);
11258
11259   // draw checkbutton gadgets
11260   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
11261     MapCheckbuttonGadget(i);
11262
11263   // draw selectbox gadgets
11264   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
11265     MapSelectboxGadget(i);
11266
11267   // draw text input gadgets
11268   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
11269     MapTextInputGadget(i);
11270 }
11271
11272 static char *getLevelSubdirFromSaveMode(int save_mode)
11273 {
11274   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
11275     return getNewUserLevelSubdir();
11276
11277   return leveldir_current->subdir;
11278 }
11279
11280 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
11281 {
11282   char *directory_text = "Level set directory:";
11283   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
11284   int font1_nr = FONT_TEXT_1;
11285   int font2_nr = FONT_TEXT_2;
11286   int font1_height = getFontHeight(font1_nr);
11287   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
11288   int x = ED_LEVEL_SETTINGS_X(0);
11289   int y = ED_LEVEL_SETTINGS_Y(6);
11290
11291   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
11292   PrintInfoText(directory_name, font2_nr, x, y);
11293 }
11294
11295 static void DrawLevelConfigLevelSet(void)
11296 {
11297   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
11298   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
11299   int i;
11300
11301   // draw counter gadgets
11302   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
11303     MapCounterButtons(i);
11304
11305   // draw checkbutton gadgets
11306   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
11307   {
11308     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
11309         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
11310         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
11311       continue;
11312
11313     MapCheckbuttonGadget(i);
11314   }
11315
11316   // draw selectbox gadgets
11317   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
11318     MapSelectboxGadget(i);
11319
11320   // draw text input gadgets
11321   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
11322     MapTextInputGadget(i);
11323
11324   // draw textbutton gadgets
11325   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
11326
11327   // draw info text
11328   DrawLevelConfigLevelSet_DirectoryInfo();
11329 }
11330
11331 static void DrawLevelConfigEditor(void)
11332 {
11333   int i;
11334
11335   // draw counter gadgets
11336   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
11337     MapCounterButtons(i);
11338
11339   // draw checkbutton gadgets
11340   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
11341     MapCheckbuttonGadget(i);
11342
11343   // draw radiobutton gadgets
11344   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
11345     MapRadiobuttonGadget(i);
11346
11347   // draw drawing area
11348   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
11349
11350   // draw textbutton gadgets
11351   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
11352 }
11353
11354 static void DrawEngineConfigConfig(void)
11355 {
11356   int i;
11357
11358   // draw counter gadgets
11359   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
11360   {
11361     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
11362     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
11363   }
11364   else
11365   {
11366     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
11367     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
11368   }
11369
11370   // draw checkbutton gadgets
11371   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
11372     MapCheckbuttonGadget(i);
11373
11374   // draw selectbox gadgets
11375   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
11376     MapSelectboxGadget(i);
11377 }
11378
11379 static int GetCommonColorType_BD(void)
11380 {
11381   int bd_color_type = *bd_color[0] >> 24;
11382   int i;
11383
11384   // check if all colors have the same color type
11385   for (i = 1; i < MAX_BD_COLORS; i++)
11386     if ((*bd_color[i] >> 24) != bd_color_type)
11387       return GD_COLOR_TYPE_RGB;
11388
11389   return bd_color_type;
11390 }
11391
11392 void SetDefaultLevelColorType_BD(void)
11393 {
11394   bd_color_type_default = GetCommonColorType_BD();
11395
11396   level.bd_color_type = bd_color_type_default;
11397 }
11398
11399 void SetDefaultLevelColors_BD(void)
11400 {
11401   int i;
11402
11403   for (i = 0; i < MAX_BD_COLORS; i++)
11404     bd_color_default[i] = *bd_color[i];
11405 }
11406
11407 void SetRandomLevelColors_BD(int bd_color_type)
11408 {
11409   struct LevelInfo_BD *level_bd = level.native_bd_level;
11410   GdCave *cave = level_bd->cave;
11411
11412   // create random cave colors
11413   gd_cave_set_random_colors(cave, bd_color_type);
11414
11415   // copy colors to level editor
11416   level.bd_color_b = cave->colorb;
11417   level.bd_color_0 = cave->color0;
11418   level.bd_color_1 = cave->color1;
11419   level.bd_color_2 = cave->color2;
11420   level.bd_color_3 = cave->color3;
11421   level.bd_color_4 = cave->color4;
11422   level.bd_color_5 = cave->color5;
11423 }
11424
11425 static void DrawColorBox_BD(int nr)
11426 {
11427   int id = ED_SELECTBOX_ID_COLORS_FIRST + nr;
11428   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
11429   int graphic = IMG_EDITOR_CHECKBOX;
11430   struct GraphicInfo *gd = &graphic_info[graphic];
11431   int offset = ED_GADGET_TEXT_DISTANCE;
11432   int x1 = gi->x - offset - gd->width;
11433   int y1 = gi->y;
11434   int x2 = x1 + offset;
11435   int y2 = y1 + offset;
11436   int xsize1 = gd->width;
11437   int ysize1 = gd->height;
11438   int xsize2 = xsize1 - 2 * offset;
11439   int ysize2 = ysize1 - 2 * offset;
11440   int bd_color_x = *bd_color[nr];
11441   int r = gd_color_get_r(bd_color_x);
11442   int g = gd_color_get_g(bd_color_x);
11443   int b = gd_color_get_b(bd_color_x);
11444   Pixel color = SDL_MapRGB(drawto->surface->format, r, g, b);
11445
11446   BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y, xsize1, ysize1, x1, y1);
11447   FillRectangle(drawto, x2, y2, xsize2, ysize2, color);
11448 }
11449
11450 static void DrawEngineConfigColors(void)
11451 {
11452   int i;
11453
11454   if (bd_color_type_changed)
11455   {
11456     if (level.bd_color_type != GD_COLOR_TYPE_RGB && level.bd_color_type != GetCommonColorType_BD())
11457     {
11458       // color type switched to non-RGB colors, but using different color type => reset colors
11459
11460       if (level.bd_color_type == bd_color_type_default)
11461       {
11462         // color type switched to same color type as default colors => reset to defaults
11463         for (i = 0; i < MAX_BD_COLORS; i++)
11464           *bd_color[i] = bd_color_default[i];
11465       }
11466       else
11467       {
11468         // color type switched to different color type as default colors => use random colors
11469         SetRandomLevelColors_BD(level.bd_color_type);
11470       }
11471     }
11472
11473     bd_color_type_changed = FALSE;
11474   }
11475
11476   // copy level colors to either C64-style color index or color text
11477   for (i = 0; i < MAX_BD_COLORS; i++)
11478   {
11479     int bd_color_x = (level.bd_color_type == GD_COLOR_TYPE_C64 ? *bd_color[i] & 0x0f :
11480                       level.bd_color_type == GD_COLOR_TYPE_RGB ? gd_color_get_rgb(*bd_color[i]) :
11481                       *bd_color[i]);
11482
11483     if (level.bd_color_type == GD_COLOR_TYPE_C64)
11484       bd_color_c64[i] = bd_color_x;
11485     else
11486       snprintf(bd_color_text[i], sizeof(bd_color_text[i]), "%s", gd_color_get_string(bd_color_x));
11487   }
11488
11489   MapSelectboxGadget(ED_SELECTBOX_ID_BD_COLOR_TYPE);
11490
11491   if (level.bd_color_type == GD_COLOR_TYPE_C64)
11492   {
11493     // draw selectbox gadgets
11494     for (i = ED_SELECTBOX_ID_COLORS_FIRST; i <= ED_SELECTBOX_ID_COLORS_LAST; i++)
11495       MapSelectboxGadget(i);
11496   }
11497   else
11498   {
11499     // draw text input gadgets
11500     for (i = ED_TEXTINPUT_ID_COLORS_FIRST; i <= ED_TEXTINPUT_ID_COLORS_LAST; i++)
11501       MapTextInputGadget(i);
11502   }
11503
11504   for (i = 0; i < MAX_BD_COLORS; i++)
11505     DrawColorBox_BD(i);
11506
11507   MapTextbuttonGadget(ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS);
11508 }
11509
11510 static void DrawLevelConfigEngine(void)
11511 {
11512   if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_CONFIG)
11513     DrawEngineConfigConfig();
11514   else if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_COLORS)
11515     DrawEngineConfigColors();
11516 }
11517
11518 static void DrawLevelConfigWindow(void)
11519 {
11520   char *text = "Global Settings";
11521   int font_nr = FONT_TITLE_1;
11522   struct MenuPosInfo *pos = &editor.settings.headline;
11523   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
11524   int sy = SY + pos->y;
11525
11526   stick_element_properties_window = FALSE;
11527
11528   // make sure that previous level config edit mode exists for this level
11529   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE &&
11530       level.game_engine_type != GAME_ENGINE_TYPE_BD)
11531     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
11532
11533   SetAutomaticNumberOfGemsNeeded();
11534
11535   UnmapLevelEditorFieldGadgets();
11536
11537   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11538   ClearField();
11539
11540   DrawText(sx, sy, text, font_nr);
11541
11542   DrawLevelConfigTabulatorGadgets();
11543
11544   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
11545     DrawLevelConfigLevel();
11546   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
11547     DrawLevelConfigLevelSet();
11548   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
11549     DrawLevelConfigEditor();
11550   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11551     DrawLevelConfigEngine();
11552 }
11553
11554 static void DrawCustomContentArea(void)
11555 {
11556   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11557   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11558   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11559   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11560   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11561   int xoffset = ED_GADGET_SPACE_DISTANCE;
11562
11563   // add distance for potential left text (without drawing area border)
11564   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11565
11566   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11567
11568   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11569 }
11570
11571 static void DrawCustomChangeContentArea(void)
11572 {
11573   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11574   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11575   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11576   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11577   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11578   int xoffset = ED_GADGET_SPACE_DISTANCE;
11579
11580   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11581
11582   MapDrawingArea(id);
11583 }
11584
11585 static void RemoveElementContentArea(int id, int font_height)
11586 {
11587   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11588
11589   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11590                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11591                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11592                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11593                  ED_GADGET_TEXT_DISTANCE + font_height);
11594 }
11595
11596 static void DrawYamYamContentAreas(void)
11597 {
11598   int font_nr = FONT_TEXT_1;
11599   int font_height = getFontHeight(font_nr);
11600   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11601   int yoffset = (tilesize - font_height) / 2;
11602   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11603   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11604   int i;
11605
11606   // display counter to choose number of element content areas
11607   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11608
11609   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11610   {
11611     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11612
11613     if (i < level.num_yamyam_contents)
11614     {
11615       MapDrawingArea(id);
11616     }
11617     else
11618     {
11619       UnmapDrawingArea(id);
11620
11621       // delete content areas in case of reducing number of them
11622       RemoveElementContentArea(id, font_height);
11623     }
11624   }
11625
11626   DrawText(x, y + 0 * tilesize, "content", font_nr);
11627   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11628   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11629 }
11630
11631 static void DrawMagicBallContentAreas(void)
11632 {
11633   int font_nr = FONT_TEXT_1;
11634   int font_height = getFontHeight(font_nr);
11635   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11636   int yoffset = (tilesize - font_height) / 2;
11637   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11638   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11639   int i;
11640
11641   // display counter to choose number of element content areas
11642   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11643
11644   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11645   {
11646     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11647
11648     if (i < level.num_ball_contents)
11649     {
11650       MapDrawingArea(id);
11651     }
11652     else
11653     {
11654       UnmapDrawingArea(id);
11655
11656       // delete content areas in case of reducing number of them
11657       RemoveElementContentArea(id, font_height);
11658     }
11659   }
11660
11661   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11662   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11663   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11664 }
11665
11666 static void DrawAndroidElementArea(void)
11667 {
11668   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11669   int num_elements = level.num_android_clone_elements;
11670   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11671   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11672   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11673   int xsize = MAX_ANDROID_ELEMENTS;
11674   int ysize = 1;
11675
11676   // display counter to choose number of element areas
11677   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11678
11679   if (drawingarea_info[id].text_left != NULL)
11680     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11681
11682   UnmapDrawingArea(id);
11683
11684   ModifyEditorDrawingArea(id, num_elements, 1);
11685
11686   // delete content areas in case of reducing number of them
11687   DrawBackground(sx, sy,
11688                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11689                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11690
11691   MapDrawingArea(id);
11692 }
11693
11694 static void DrawGroupElementArea(void)
11695 {
11696   int id = ED_DRAWING_ID_GROUP_CONTENT;
11697   int num_elements = group_element_info.num_elements;
11698   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11699   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11700   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11701   int xsize = MAX_ELEMENTS_IN_GROUP;
11702   int ysize = 1;
11703
11704   if (drawingarea_info[id].text_left != NULL)
11705     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11706
11707   UnmapDrawingArea(id);
11708
11709   ModifyEditorDrawingArea(id, num_elements, 1);
11710
11711   // delete content areas in case of reducing number of them
11712   DrawBackground(sx, sy,
11713                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11714                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11715
11716   MapDrawingArea(id);
11717 }
11718
11719 static void DrawPlayerInitialInventoryArea(int element)
11720 {
11721   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11722   int player_nr = GET_PLAYER_NR(element);
11723   int num_elements = level.initial_inventory_size[player_nr];
11724   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11725   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11726   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11727   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11728   int ysize = 1;
11729
11730   // determine horizontal position to the right of specified gadget
11731   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11732     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11733           ED_DRAWINGAREA_TEXT_DISTANCE);
11734
11735   // determine horizontal offset for leading text
11736   if (drawingarea_info[id].text_left != NULL)
11737     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11738
11739   UnmapDrawingArea(id);
11740
11741   ModifyEditorDrawingArea(id, num_elements, 1);
11742
11743   // delete content areas in case of reducing number of them
11744   DrawBackground(sx, sy,
11745                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11746                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11747
11748   MapDrawingArea(id);
11749 }
11750
11751 static void DrawMMBallContentArea(void)
11752 {
11753   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11754   int num_elements = level.num_mm_ball_contents;
11755   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11756   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11757   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11758   int xsize = MAX_MM_BALL_CONTENTS;
11759   int ysize = 1;
11760
11761   if (drawingarea_info[id].text_left != NULL)
11762     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11763
11764   UnmapDrawingArea(id);
11765
11766   ModifyEditorDrawingArea(id, num_elements, 1);
11767
11768   // delete content areas in case of reducing number of them
11769   DrawBackground(sx, sy,
11770                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11771                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11772
11773   MapDrawingArea(id);
11774 }
11775
11776 static void DrawEnvelopeTextArea(int envelope_nr)
11777 {
11778   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11779   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11780
11781   UnmapGadget(gi);
11782
11783   DrawBackground(gi->x, gi->y,
11784                  gi->textarea.crop_width, gi->textarea.crop_height);
11785
11786   if (envelope_nr != -1)
11787     textarea_info[id].value = level.envelope[envelope_nr].text;
11788
11789   ModifyGadget(gi, GDI_AREA_SIZE,
11790                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11791                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11792                GDI_END);
11793
11794   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11795 }
11796
11797 static void DrawPropertiesInfo(void)
11798 {
11799   static struct
11800   {
11801     int value;
11802     char *text;
11803   }
11804   properties[] =
11805   {
11806     // configurable properties
11807
11808     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11809     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11810     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11811     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11812     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11813     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11814     { EP_PROTECTED,             "- player is protected by it"           },
11815
11816     { EP_DIGGABLE,              "- can be digged away"                  },
11817     { EP_COLLECTIBLE,           "- can be collected"                    },
11818     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11819     { EP_THROWABLE,             "- can be thrown after collecting"      },
11820     { EP_PUSHABLE,              "- can be pushed"                       },
11821
11822     { EP_CAN_FALL,              "- can fall"                            },
11823     { EP_CAN_MOVE,              "- can move"                            },
11824
11825     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11826 #if 0
11827     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11828 #endif
11829     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11830
11831     { EP_SLIPPERY,              "- slippery for falling elements"       },
11832     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11833
11834     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11835     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11836     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11837     { EP_DONT_TOUCH,            "- deadly when touching"                },
11838
11839     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11840
11841     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11842     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11843     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11844
11845     { EP_CAN_CHANGE,            "- can change to other element"         },
11846
11847     // pre-defined properties
11848     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11849     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11850     { EP_SWITCHABLE,            "- can be switched"                     },
11851 #if 0
11852     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11853 #endif
11854
11855     { -1,                       NULL                                    }
11856   };
11857   char *filename = getElementDescriptionFilename(properties_element);
11858   char *num_elements_text = "In this level: ";
11859   char *num_similar_text = "Similar tiles: ";
11860   char *properties_text = "Standard properties: ";
11861   char *description_text = "Description:";
11862   char *no_description_text = "No description available.";
11863   char *none_text = "None";
11864   float percentage;
11865   int num_elements_in_level = 0;
11866   int num_similar_in_level = 0;
11867   int num_hires_tiles_in_level = 0;
11868   int num_standard_properties = 0;
11869   int font1_nr = FONT_TEXT_1;
11870   int font2_nr = FONT_TEXT_2;
11871   int font1_width = getFontWidth(font1_nr);
11872   int font1_height = getFontHeight(font1_nr);
11873   int font2_height = getFontHeight(font2_nr);
11874   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11875   int font2_yoffset = (font1_height - font2_height) / 2;
11876   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11877   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11878   int properties_text_len = strlen(properties_text) * font1_width;
11879   int xpos = ED_ELEMENT_SETTINGS_X(0);
11880   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11881   int i, x, y;
11882
11883   if (setup.editor.show_element_token)
11884   {
11885     int font3_nr = FONT_TEXT_3;
11886     int font3_height = getFontHeight(font3_nr);
11887
11888     DrawTextF(xpos, ypos, font3_nr,
11889               "[%s]", element_info[properties_element].token_name);
11890
11891     ypos += 2 * font3_height;
11892   }
11893
11894   // ----- print number of elements / percentage of this element in level
11895
11896   for (y = 0; y < lev_fieldy; y++)
11897   {
11898     for (x = 0; x < lev_fieldx; x++)
11899     {
11900       if (Tile[x][y] == properties_element)
11901       {
11902         num_elements_in_level++;
11903       }
11904       else if (IS_MM_WALL(Tile[x][y]) &&
11905                map_mm_wall_element(Tile[x][y]) == properties_element)
11906       {
11907         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11908       }
11909     }
11910   }
11911
11912   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11913
11914   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11915
11916   if (num_hires_tiles_in_level > 0)
11917     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11918               "%d wall tiles", num_hires_tiles_in_level);
11919   else if (num_elements_in_level > 0)
11920     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11921               "%d (%.2f %%)", num_elements_in_level, percentage);
11922   else
11923     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11924               none_text);
11925
11926   // ----- print number of similar elements / percentage of them in level
11927
11928   for (y = 0; y < lev_fieldy; y++)
11929   {
11930     for (x = 0; x < lev_fieldx; x++)
11931     {
11932       if (strEqual(element_info[Tile[x][y]].class_name,
11933                    element_info[properties_element].class_name))
11934       {
11935         num_similar_in_level++;
11936       }
11937     }
11938   }
11939
11940   if (num_similar_in_level != num_elements_in_level)
11941   {
11942     ypos += 1 * MAX(font1_height, font2_height);
11943
11944     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11945
11946     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11947
11948     if (num_similar_in_level > 0)
11949       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11950                 "%d (%.2f %%)", num_similar_in_level, percentage);
11951     else
11952       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11953                 none_text);
11954   }
11955
11956   ypos += 2 * MAX(font1_height, font2_height);
11957
11958   // ----- print standard properties of this element (only for certain game engines)
11959
11960   if (level.game_engine_type == GAME_ENGINE_TYPE_RND ||
11961       level.game_engine_type == GAME_ENGINE_TYPE_EM ||
11962       level.game_engine_type == GAME_ENGINE_TYPE_SP)
11963   {
11964     DrawTextS(xpos, ypos, font1_nr, properties_text);
11965
11966     ypos += line1_height;
11967
11968     for (i = 0; properties[i].value != -1; i++)
11969     {
11970       if (!HAS_PROPERTY(properties_element, properties[i].value))
11971         continue;
11972
11973       DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11974
11975       ypos += font2_height;
11976
11977       num_standard_properties++;
11978     }
11979
11980     if (num_standard_properties == 0)
11981     {
11982       DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11983                 font2_nr, none_text);
11984
11985       ypos -= (line1_height - font1_height);
11986     }
11987
11988     ypos += MAX(font1_height, font2_height);
11989   }
11990
11991   // ----- print special description of this element
11992
11993   PrintInfoText(description_text, font1_nr, xpos, ypos);
11994
11995   ypos += line1_height;
11996
11997   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11998     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11999 }
12000
12001 #define TEXT_COLLECTING                 "Score for collecting"
12002 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
12003 #define TEXT_SMASHING                   "Score for smashing"
12004 #define TEXT_SLURPING                   "Score for slurping robot"
12005 #define TEXT_CRACKING                   "Score for cracking"
12006 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
12007 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
12008 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
12009 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
12010 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
12011 #define TEXT_DURATION                   "Duration when activated"
12012 #define TEXT_DELAY_ON                   "Delay before activating"
12013 #define TEXT_DELAY_OFF                  "Delay before deactivating"
12014 #define TEXT_DELAY_CHANGING             "Delay before changing"
12015 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
12016 #define TEXT_DELAY_MOVING               "Delay before moving"
12017 #define TEXT_BALL_DELAY                 "Element generation delay"
12018 #define TEXT_MOVE_SPEED                 "Speed of android moving"
12019 #define TEXT_CLONE_SPEED                "Speed of android cloning"
12020 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
12021 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
12022 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
12023 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
12024 #define TEXT_TIME_BONUS                 "Extra time to solve level"
12025 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
12026 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
12027 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
12028 #define TEXT_RANDOM_SEED                "slime random number seed"
12029 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
12030 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
12031 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
12032 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
12033 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
12034 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
12035 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
12036 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
12037 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
12038
12039 static struct
12040 {
12041   int element;
12042   int *value;
12043   char *text;
12044   int min_value;
12045   int max_value;
12046 } elements_with_counter[] =
12047 {
12048   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12049   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12050   { EL_BDX_DIAMOND,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12051   { EL_BDX_DIAMOND,             &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
12052   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12053   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12054   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12055   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12056   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
12057   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
12058   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
12059   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
12060   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
12061   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
12062   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
12063   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
12064   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
12065   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
12066   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
12067   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
12068   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
12069   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
12070   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12071   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12072   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12073   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12074   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12075   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12076   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12077   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12078   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12079   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12080   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12081   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12082   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12083   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12084   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12085   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12086   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12087   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
12088   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
12089   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
12090   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
12091   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
12092   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
12093   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
12094   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12095   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12096   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12097   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12098   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12099   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
12100   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
12101   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
12102   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12103   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12104   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12105   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12106   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12107   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12108   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12109   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12110   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12111   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12112   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12113   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12114   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
12115   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12116   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12117   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
12118   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
12119   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
12120   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
12121   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
12122   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
12123   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
12124   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12125   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12126   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12127   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12128   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12129   { EL_BDX_AMOEBA_1,            &level.bd_amoeba_1_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
12130   { EL_BDX_AMOEBA_1,            &level.bd_amoeba_1_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
12131   { EL_BDX_AMOEBA_1,            &level.bd_amoeba_1_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
12132                                 0, 100                                                          },
12133   { EL_BDX_AMOEBA_1,            &level.bd_amoeba_1_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
12134                                 0, 100                                                          },
12135   { EL_BDX_AMOEBA_2,            &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
12136   { EL_BDX_AMOEBA_2,            &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
12137   { EL_BDX_AMOEBA_2,            &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
12138                                 0, 100                                                          },
12139   { EL_BDX_AMOEBA_2,            &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
12140                                 0, 100                                                          },
12141   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
12142   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
12143   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
12144   { EL_BDX_MAGIC_WALL,          &level.bd_magic_wall_time,              TEXT_DURATION           },
12145   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
12146   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
12147   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
12148   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
12149   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
12150   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
12151   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
12152   { EL_BDX_CLOCK,               &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
12153                                 -100, 100                                                       },
12154   { EL_BDX_VOODOO_DOLL,         &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
12155                                 0, 100                                                          },
12156   { EL_BDX_SLIME,               &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
12157                                 0, 100                                                          },
12158   { EL_BDX_SLIME,               &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
12159                                 0, 255                                                          },
12160   { EL_BDX_SLIME,               &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
12161                                 -1, 65535                                                       },
12162   { EL_BDX_ACID,                &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
12163                                 0, 100                                                          },
12164   { EL_BDX_BITER,               &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12165                                 0, 3                                                            },
12166   { EL_BDX_BITER_RIGHT,         &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12167                                 0, 3                                                            },
12168   { EL_BDX_BITER_UP,            &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12169                                 0, 3                                                            },
12170   { EL_BDX_BITER_LEFT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12171                                 0, 3                                                            },
12172   { EL_BDX_BITER_DOWN,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12173                                 0, 3                                                            },
12174   { EL_BDX_REPLICATOR,          &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
12175                                 0, 100                                                          },
12176   { EL_BDX_PNEUMATIC_HAMMER,    &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
12177                                 1, 100                                                          },
12178   { EL_BDX_PNEUMATIC_HAMMER,    &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
12179                                 1, 200                                                          },
12180   { EL_BDX_POT,                 &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
12181                                 0, 50                                                           },
12182   { EL_BDX_SKELETON,            &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
12183                                 0, 50                                                           },
12184   { EL_BDX_SKELETON,            &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
12185                                 0, 10                                                           },
12186   { EL_BDX_CREATURE_SWITCH,     &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
12187   { EL_BDX_GRAVITY_SWITCH,      &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
12188                                 1, 60                                                           },
12189   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
12190   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
12191   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
12192   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
12193   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
12194   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
12195   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
12196   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
12197   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
12198   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
12199   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
12200   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
12201   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
12202   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
12203   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
12204   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
12205   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
12206   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
12207   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
12208   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
12209   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
12210   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
12211   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
12212   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
12213   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
12214
12215   { -1,                         NULL,                                   NULL                    }
12216 };
12217
12218 static boolean checkPropertiesConfig(int element)
12219 {
12220   int i;
12221
12222   // special case: empty space customization only available in R'n'D game engine
12223   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
12224     return FALSE;
12225
12226   if (IS_GEM(element) ||
12227       IS_CUSTOM_ELEMENT(element) ||
12228       IS_GROUP_ELEMENT(element) ||
12229       IS_EMPTY_ELEMENT(element) ||
12230       IS_BALLOON_ELEMENT(element) ||
12231       IS_ENVELOPE(element) ||
12232       IS_MM_ENVELOPE(element) ||
12233       IS_MM_MCDUFFIN(element) ||
12234       IS_DF_LASER(element) ||
12235       IS_PLAYER_ELEMENT(element) ||
12236       IS_BDX_PLAYER_ELEMENT(element) ||
12237       IS_BD_FIREFLY(properties_element) ||
12238       IS_BDX_FIREFLY_1(properties_element) ||
12239       IS_BDX_FIREFLY_2(properties_element) ||
12240       IS_BD_BUTTERFLY(properties_element) ||
12241       IS_BDX_BUTTERFLY_1(properties_element) ||
12242       IS_BDX_BUTTERFLY_2(properties_element) ||
12243       IS_BDX_STONEFLY(properties_element) ||
12244       IS_BDX_DRAGONFLY(properties_element) ||
12245       IS_BDX_EXPANDABLE_WALL(properties_element) ||
12246       IS_BDX_EXPANDABLE_STEELWALL(properties_element) ||
12247       IS_BDX_CONVEYOR_BELT(properties_element) ||
12248       IS_BDX_CONVEYOR_BELT_SWITCH(properties_element) ||
12249       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
12250       HAS_EDITOR_CONTENT(element) ||
12251       CAN_GROW(element) ||
12252       COULD_MOVE_INTO_ACID(element) ||
12253       MAYBE_DONT_COLLIDE_WITH(element) ||
12254       element == EL_BDX_SAND_1 ||
12255       element == EL_BDX_ROCK ||
12256       element == EL_BDX_MEGA_ROCK ||
12257       element == EL_BDX_BOMB ||
12258       element == EL_BDX_ROCKET_LAUNCHER ||
12259       element == EL_BDX_NITRO_PACK ||
12260       element == EL_BDX_SWEET ||
12261       element == EL_BDX_VOODOO_DOLL ||
12262       element == EL_BDX_WATER ||
12263       element == EL_BDX_GRAVITY_SWITCH)
12264   {
12265     return TRUE;
12266   }
12267   else
12268   {
12269     for (i = 0; elements_with_counter[i].element != -1; i++)
12270       if (elements_with_counter[i].element == element)
12271         return TRUE;
12272   }
12273
12274   return FALSE;
12275 }
12276
12277 static void SetAutomaticNumberOfGemsNeeded(void)
12278 {
12279   int x, y;
12280
12281   if (!level.auto_count_gems)
12282     return;
12283
12284   level.gems_needed = 0;
12285
12286   for (x = 0; x < lev_fieldx; x++)
12287   {
12288     for (y = 0; y < lev_fieldy; y++)
12289     {
12290       int element = Tile[x][y];
12291
12292       switch (element)
12293       {
12294         case EL_EMERALD:
12295         case EL_EMERALD_YELLOW:
12296         case EL_EMERALD_RED:
12297         case EL_EMERALD_PURPLE:
12298         case EL_BD_DIAMOND:
12299         case EL_BDX_DIAMOND:
12300         case EL_WALL_EMERALD:
12301         case EL_WALL_EMERALD_YELLOW:
12302         case EL_WALL_EMERALD_RED:
12303         case EL_WALL_EMERALD_PURPLE:
12304         case EL_WALL_BD_DIAMOND:
12305         case EL_NUT:
12306         case EL_SP_INFOTRON:
12307         case EL_MM_KETTLE:
12308         case EL_DF_CELL:
12309           level.gems_needed++;
12310           break;
12311
12312         case EL_DIAMOND:
12313         case EL_WALL_DIAMOND:
12314           level.gems_needed += 3;
12315           break;
12316
12317         case EL_PEARL:
12318         case EL_WALL_PEARL:
12319           level.gems_needed += 5;
12320           break;
12321
12322         case EL_CRYSTAL:
12323         case EL_WALL_CRYSTAL:
12324           level.gems_needed += 8;
12325           break;
12326
12327         default:
12328           break;
12329       }
12330     }
12331   }
12332
12333   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
12334 }
12335
12336 static void DrawPropertiesConfig(void)
12337 {
12338   boolean draw_footer_line = FALSE;
12339   int max_num_element_counters = 4;
12340   int num_element_counters = 0;
12341   int i;
12342
12343   if (!checkPropertiesConfig(properties_element))
12344   {
12345     int xpos = ED_ELEMENT_SETTINGS_X(0);
12346     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
12347
12348     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
12349
12350     return;
12351   }
12352
12353   // check if there are elements where a value can be chosen for
12354   for (i = 0; elements_with_counter[i].element != -1; i++)
12355   {
12356     if (elements_with_counter[i].element != properties_element)
12357       continue;
12358
12359     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
12360
12361     counterbutton_info[counter_id].y =
12362       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)          ? 1 : 0) +
12363                                (CAN_GROW(properties_element)                    ? 1 : 0) +
12364                                (COULD_MOVE_INTO_ACID(properties_element)        ? 1 : 0) +
12365                                (MAYBE_DONT_COLLIDE_WITH(properties_element)     ? 1 : 0) +
12366                                (properties_element == EL_BDX_AMOEBA_1           ? 2 : 0) +
12367                                (properties_element == EL_BDX_AMOEBA_2           ? 2 : 0) +
12368                                (properties_element == EL_BDX_MAGIC_WALL         ? 1 : 0) +
12369                                (properties_element == EL_BDX_VOODOO_DOLL        ? 4 : 0) +
12370                                (properties_element == EL_BDX_SLIME              ? 1 : 0) +
12371                                (properties_element == EL_BDX_ACID               ? 1 : 0) +
12372                                (properties_element == EL_BDX_REPLICATOR         ? 1 : 0) +
12373                                (properties_element == EL_BDX_CREATURE_SWITCH    ? 1 : 0) +
12374                                (properties_element == EL_BDX_GRAVITY_SWITCH     ? 2 : 0) +
12375                                (properties_element == EL_EMC_MAGIC_BALL         ? 2 : 0) +
12376                                num_element_counters);
12377
12378     // special case: set position for delay counter for reappearing hammered walls
12379     if (properties_element == EL_BDX_PNEUMATIC_HAMMER && num_element_counters > 0)
12380       counterbutton_info[counter_id].y += 1;
12381
12382     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
12383     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
12384     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
12385     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
12386
12387     // default: counter values between 0 and 999
12388     if (counterbutton_info[counter_id].max_value == 0)
12389       counterbutton_info[counter_id].max_value = 999;
12390
12391     MapCounterButtons(counter_id);
12392
12393     num_element_counters++;
12394     if (num_element_counters >= max_num_element_counters)
12395       break;
12396   }
12397
12398   if (properties_element == EL_BDX_MAGIC_WALL)
12399   {
12400     // draw stickybutton gadget
12401     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12402
12403     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE);
12404     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
12405     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
12406     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN);
12407
12408     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
12409     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
12410     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
12411     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
12412     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
12413     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
12414     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
12415   }
12416
12417   if (HAS_EDITOR_CONTENT(properties_element))
12418   {
12419     // draw stickybutton gadget
12420     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12421
12422     if (properties_element == EL_BDX_AMOEBA_1)
12423     {
12424       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12425       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12426
12427       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_1_CONTENT_TOO_BIG);
12428       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_1_CONTENT_ENCLOSED);
12429     }
12430     else if (properties_element == EL_BDX_AMOEBA_2)
12431     {
12432       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12433       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12434       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
12435
12436       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
12437       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
12438       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
12439       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
12440     }
12441     else if (IS_AMOEBOID(properties_element))
12442     {
12443       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
12444     }
12445     else if (properties_element == EL_BDX_ACID)
12446     {
12447       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
12448       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
12449     }
12450     else if (IS_BDX_BITER(properties_element))
12451     {
12452       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
12453     }
12454     else if (properties_element == EL_BDX_BLADDER)
12455     {
12456       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
12457     }
12458     else if (properties_element == EL_YAMYAM ||
12459              properties_element == EL_YAMYAM_LEFT ||
12460              properties_element == EL_YAMYAM_RIGHT ||
12461              properties_element == EL_YAMYAM_UP ||
12462              properties_element == EL_YAMYAM_DOWN)
12463     {
12464       DrawYamYamContentAreas();
12465     }
12466     else if (properties_element == EL_EMC_MAGIC_BALL)
12467     {
12468       DrawMagicBallContentAreas();
12469
12470       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
12471       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
12472     }
12473     else if (properties_element == EL_EMC_ANDROID)
12474     {
12475       DrawAndroidElementArea();
12476     }
12477     else if (properties_element == EL_MM_GRAY_BALL)
12478     {
12479       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
12480       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
12481       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
12482       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
12483
12484       DrawMMBallContentArea();
12485     }
12486   }
12487
12488   if (IS_PLAYER_ELEMENT(properties_element))
12489   {
12490     int player_nr = GET_PLAYER_NR(properties_element);
12491
12492     // these properties can be set for every player individually
12493
12494     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12495     {
12496       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
12497         &level.start_element[player_nr];
12498       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
12499         &level.artwork_element[player_nr];
12500       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
12501         &level.explosion_element[player_nr];
12502
12503       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
12504         &level.use_start_element[player_nr];
12505       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
12506         &level.use_artwork_element[player_nr];
12507       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
12508         &level.use_explosion_element[player_nr];
12509       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
12510         &level.initial_player_gravity[player_nr];
12511
12512       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
12513         &level.initial_player_stepsize[player_nr];
12514
12515       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
12516       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
12517                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
12518                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
12519       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
12520       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
12521       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
12522       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
12523       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
12524       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
12525       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
12526       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
12527       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
12528       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
12529       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
12530
12531       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
12532       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
12533       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
12534
12535       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
12536     }
12537     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12538     {
12539       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
12540         &level.initial_inventory_content[player_nr][0];
12541
12542       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12543         &level.initial_inventory_size[player_nr];
12544
12545       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12546         &level.use_initial_inventory[player_nr];
12547
12548       // draw checkbutton gadgets
12549       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12550       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12551       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12552
12553       // draw counter gadgets
12554       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12555
12556       // draw drawing area gadgets
12557       DrawPlayerInitialInventoryArea(properties_element);
12558     }
12559   }
12560
12561   if (IS_BDX_PLAYER_ELEMENT(properties_element))
12562   {
12563     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12564       ED_ELEMENT_SETTINGS_YPOS(2);
12565     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12566       ED_ELEMENT_SETTINGS_YPOS(3);
12567     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12568       ED_ELEMENT_SETTINGS_YPOS(4);
12569
12570     // draw checkbutton gadgets
12571     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12572     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12573     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12574
12575     // draw counter gadgets
12576     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12577     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12578
12579     // draw drawing area gadgets
12580     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12581   }
12582
12583   if (properties_element == EL_BDX_SAND_1)
12584   {
12585     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12586   }
12587
12588   if (properties_element == EL_BDX_ROCK)
12589   {
12590     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12591       ED_ELEMENT_SETTINGS_YPOS(0);
12592     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12593       ED_ELEMENT_SETTINGS_YPOS(1);
12594
12595     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12596     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12597
12598     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12599     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12600   }
12601
12602   if (properties_element == EL_BDX_DIAMOND)
12603   {
12604     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12605     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12606   }
12607
12608   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12609   {
12610     if (IS_BDX_FIREFLY_1(properties_element))
12611     {
12612       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_1_EXPLODES_TO);
12613       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12614     }
12615     else if (IS_BDX_FIREFLY_2(properties_element))
12616     {
12617       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12618       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12619     }
12620     else if (IS_BDX_BUTTERFLY_1(properties_element))
12621     {
12622       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_1_EXPLODES_TO);
12623       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12624     }
12625     else if (IS_BDX_BUTTERFLY_2(properties_element))
12626     {
12627       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12628       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12629     }
12630     else if (IS_BDX_STONEFLY(properties_element))
12631     {
12632       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12633     }
12634     else if (IS_BDX_DRAGONFLY(properties_element))
12635     {
12636       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12637       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12638     }
12639     else if (properties_element == EL_BDX_BOMB)
12640     {
12641       MapDrawingArea(ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO);
12642     }
12643     else if (properties_element == EL_BDX_NITRO_PACK)
12644     {
12645       MapDrawingArea(ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO);
12646     }
12647   }
12648
12649   if (properties_element == EL_BDX_MEGA_ROCK ||
12650       properties_element == EL_BDX_SWEET)
12651   {
12652     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12653       ED_ELEMENT_SETTINGS_YPOS(0);
12654     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12655       ED_ELEMENT_SETTINGS_YPOS(1);
12656
12657     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12658     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12659   }
12660
12661   if (properties_element == EL_BDX_VOODOO_DOLL)
12662   {
12663     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12664     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12665     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12666     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12667   }
12668
12669   if (properties_element == EL_BDX_SLIME)
12670   {
12671     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12672
12673     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12674     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12675     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12676     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12677     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12678     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12679   }
12680
12681   if (IS_BDX_EXPANDABLE_WALL(properties_element) ||
12682       IS_BDX_EXPANDABLE_STEELWALL(properties_element))
12683   {
12684     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12685
12686     if (IS_BDX_EXPANDABLE_WALL(properties_element))
12687       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12688   }
12689
12690   if (properties_element == EL_BDX_REPLICATOR)
12691   {
12692     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12693   }
12694
12695   if (IS_BDX_CONVEYOR_BELT(properties_element) ||
12696       IS_BDX_CONVEYOR_BELT_SWITCH(properties_element))
12697   {
12698     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12699     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12700   }
12701
12702   if (properties_element == EL_BDX_WATER)
12703   {
12704     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12705   }
12706
12707   if (properties_element == EL_BDX_PNEUMATIC_HAMMER)
12708   {
12709     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12710   }
12711
12712   if (properties_element == EL_BDX_ROCKET_LAUNCHER)
12713   {
12714     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS);
12715   }
12716
12717   if (properties_element == EL_BDX_CREATURE_SWITCH)
12718   {
12719     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12720     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12721   }
12722
12723   if (properties_element == EL_BDX_GRAVITY_SWITCH)
12724   {
12725     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12726
12727     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12728     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12729   }
12730
12731   if (properties_element == EL_BDX_NUT)
12732   {
12733     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12734   }
12735
12736   // special case: slippery walls option for gems only available in R'n'D game engine
12737   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12738     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12739
12740   if (properties_element == EL_EM_DYNAMITE)
12741     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12742
12743   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12744       COULD_MOVE_INTO_ACID(properties_element) &&
12745       !IS_PLAYER_ELEMENT(properties_element) &&
12746       (!IS_CUSTOM_ELEMENT(properties_element) ||
12747        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12748   {
12749     // set position for checkbutton for "can move into acid"
12750     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12751       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12752     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12753       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12754                                IS_BALLOON_ELEMENT(properties_element) ||
12755                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12756
12757     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12758   }
12759
12760   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12761     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12762
12763   if (properties_element == EL_SPRING ||
12764       properties_element == EL_SPRING_LEFT ||
12765       properties_element == EL_SPRING_RIGHT)
12766     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12767
12768   if (properties_element == EL_TIME_ORB_FULL)
12769     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12770
12771   if (properties_element == EL_GAME_OF_LIFE ||
12772       properties_element == EL_BIOMAZE)
12773     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12774
12775   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12776   {
12777     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12778       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12779
12780     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12781   }
12782
12783   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12784     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12785
12786   if (properties_element == EL_SOKOBAN_OBJECT)
12787     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12788
12789   if (properties_element == EL_SOKOBAN_OBJECT ||
12790       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12791       properties_element == EL_SOKOBAN_FIELD_FULL)
12792   {
12793     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12794       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12795                                0 : 1);
12796
12797     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12798   }
12799
12800   if (IS_BALLOON_ELEMENT(properties_element))
12801     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12802
12803   if (IS_ENVELOPE(properties_element) ||
12804       IS_MM_ENVELOPE(properties_element))
12805   {
12806     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12807     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12808     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12809     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12810     int envelope_nr = ENVELOPE_NR(properties_element);
12811
12812     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12813     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12814
12815     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12816     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12817
12818     // display counter to choose size of envelope text area
12819     MapCounterButtons(counter1_id);
12820     MapCounterButtons(counter2_id);
12821
12822     // display checkbuttons to choose auto-wrap and alignment properties
12823     MapCheckbuttonGadget(button1_id);
12824     MapCheckbuttonGadget(button2_id);
12825
12826     DrawEnvelopeTextArea(envelope_nr);
12827   }
12828
12829   if (IS_MM_MCDUFFIN(properties_element))
12830   {
12831     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12832     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12833     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12834   }
12835
12836   if (IS_DF_LASER(properties_element))
12837   {
12838     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12839     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12840     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12841   }
12842
12843   if (IS_CUSTOM_ELEMENT(properties_element))
12844   {
12845     // draw stickybutton gadget
12846     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12847
12848     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12849     {
12850       // draw checkbutton gadgets
12851       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12852            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12853         MapCheckbuttonGadget(i);
12854
12855       // draw counter gadgets
12856       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12857            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12858         MapCounterButtons(i);
12859
12860       // draw selectbox gadgets
12861       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12862            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12863         MapSelectboxGadget(i);
12864
12865       // draw textbutton gadgets
12866       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12867
12868       // draw text input gadgets
12869       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12870
12871       // draw drawing area gadgets
12872       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12873
12874       draw_footer_line = TRUE;
12875     }
12876     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12877     {
12878       // draw checkbutton gadgets
12879       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12880            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12881         MapCheckbuttonGadget(i);
12882
12883       // draw counter gadgets
12884       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12885            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12886         MapCounterButtons(i);
12887
12888       // draw selectbox gadgets
12889       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12890            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12891         MapSelectboxGadget(i);
12892
12893       // draw drawing area gadgets
12894       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12895       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12896       DrawCustomContentArea();
12897     }
12898   }
12899   else if (IS_GROUP_ELEMENT(properties_element))
12900   {
12901     // draw stickybutton gadget
12902     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12903
12904     // draw checkbutton gadgets
12905     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12906     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12907
12908     // draw counter gadgets
12909     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12910
12911     // draw selectbox gadgets
12912     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12913
12914     // draw textbutton gadgets
12915     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12916
12917     // draw drawing area gadgets
12918     DrawGroupElementArea();
12919
12920     // draw text input gadgets
12921     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12922
12923     // draw drawing area gadgets
12924     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12925
12926     draw_footer_line = TRUE;
12927   }
12928   else if (IS_EMPTY_ELEMENT(properties_element))
12929   {
12930     // draw stickybutton gadget
12931     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12932
12933     // draw checkbutton gadgets
12934     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12935     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12936
12937     // draw textbutton gadgets
12938     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12939
12940     // draw drawing area gadgets
12941     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12942
12943     draw_footer_line = TRUE;
12944   }
12945
12946   // draw little footer border line above CE/GE use/save template gadgets
12947   if (draw_footer_line)
12948   {
12949     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12950     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12951     int gd_x = gd->x + gd_gi1->border.width / 2;
12952     int gd_y = gd->y + gd_gi1->height - 1;
12953     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12954
12955     if (tab_color != BLACK_PIXEL)               // black => transparent
12956       FillRectangle(drawto,
12957                     SX + ED_ELEMENT_SETTINGS_X(0),
12958                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12959                     ED_TAB_BAR_HEIGHT,
12960                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12961   }
12962 }
12963
12964 static void DrawPropertiesChangeDrawingAreas(void)
12965 {
12966   if (IS_CUSTOM_ELEMENT(properties_element))
12967   {
12968     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12969     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12970     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12971
12972     DrawCustomChangeContentArea();
12973   }
12974
12975   redraw_mask |= REDRAW_FIELD;
12976 }
12977
12978 static void DrawPropertiesChange(void)
12979 {
12980   int i;
12981
12982   // needed to initially set selectbox options for special action options
12983   setSelectboxSpecialActionOptions();
12984
12985   // draw stickybutton gadget
12986   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12987
12988   // draw checkbutton gadgets
12989   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12990        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12991     MapCheckbuttonGadget(i);
12992
12993   // draw counter gadgets
12994   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12995        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12996     MapCounterButtons(i);
12997
12998   // draw selectbox gadgets
12999   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
13000        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
13001     MapSelectboxGadget(i);
13002
13003   // draw textbutton gadgets
13004   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
13005        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
13006     MapTextbuttonGadget(i);
13007
13008   // draw graphicbutton gadgets
13009   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
13010        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
13011     MapGraphicbuttonGadget(i);
13012
13013   // draw drawing area gadgets
13014   DrawPropertiesChangeDrawingAreas();
13015 }
13016
13017 static void DrawEditorElementAnimation(int x, int y)
13018 {
13019   int graphic;
13020   int frame;
13021
13022   if (IS_BDX_RUNTIME_ELEMENT(properties_element))
13023   {
13024     el2edimg_with_frame(properties_element, &graphic, &frame);
13025
13026     DrawFixedGraphicExt(drawto, x, y, graphic, frame);
13027   }
13028   else
13029   {
13030     graphic = el2img(properties_element);
13031     frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
13032              custom_element.ce_value_fixed_initial :
13033              ANIM_MODE(graphic) == ANIM_CE_SCORE ?
13034              custom_element.collect_score_initial : FrameCounter);
13035
13036     DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
13037   }
13038 }
13039
13040 static void DrawEditorElementName(int x, int y, int font_nr)
13041 {
13042   char *element_name = getElementInfoText(properties_element);
13043   int font_width = getFontWidth(font_nr);
13044   int font_height = getFontHeight(font_nr);
13045   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
13046   int max_chars_per_line = max_text_width / font_width;
13047
13048   if (strlen(element_name) <= max_chars_per_line)
13049     DrawTextS(x, y, font_nr, element_name);
13050   else
13051   {
13052     char buffer[max_chars_per_line + 1];
13053     int next_pos = max_chars_per_line;
13054
13055     strncpy(buffer, element_name, max_chars_per_line);
13056     buffer[max_chars_per_line] = '\0';
13057
13058     if (element_name[max_chars_per_line] == ' ')
13059       next_pos++;
13060     else
13061     {
13062       int i;
13063
13064       for (i = max_chars_per_line - 1; i >= 0; i--)
13065         if (buffer[i] == ' ')
13066           break;
13067
13068       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
13069       {
13070         buffer[i] = '\0';
13071         next_pos = i + 1;
13072       }
13073     }
13074
13075     DrawTextS(x, y - font_height / 2, font_nr, buffer);
13076
13077     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
13078     buffer[max_chars_per_line] = '\0';
13079
13080     DrawTextS(x, y + font_height / 2, font_nr, buffer);
13081   }
13082 }
13083
13084 static void DrawPropertiesWindow(void)
13085 {
13086   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
13087   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13088   int border_size = gd->border_size;
13089   int font_nr = FONT_TEXT_1;
13090   int font_height = getFontHeight(font_nr);
13091   int xoffset = TILEX + element_border + 3 * border_size;
13092   int yoffset = (TILEY - font_height) / 2;
13093   int x1 = editor.settings.element_graphic.x + element_border;
13094   int y1 = editor.settings.element_graphic.y + element_border;
13095   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
13096             editor.settings.element_name.x);
13097   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
13098             editor.settings.element_name.y);
13099   char *text = "Element Settings";
13100   int font2_nr = FONT_TITLE_1;
13101   struct MenuPosInfo *pos = &editor.settings.headline;
13102   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
13103   int sy = SY + pos->y;
13104
13105   stick_element_properties_window = FALSE;
13106
13107   // make sure that previous properties edit mode exists for this element
13108   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
13109       !IS_CUSTOM_ELEMENT(properties_element))
13110     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
13111
13112   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
13113       !IS_PLAYER_ELEMENT(properties_element) &&
13114       !IS_CUSTOM_ELEMENT(properties_element))
13115     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
13116
13117   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
13118       (IS_PLAYER_ELEMENT(properties_element) ||
13119        IS_CUSTOM_ELEMENT(properties_element)))
13120     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
13121
13122   CopyElementPropertiesToEditor(properties_element);
13123
13124   UnmapLevelEditorFieldGadgets();
13125   UnmapLevelEditorToolboxDrawingGadgets();
13126   UnmapLevelEditorToolboxCustomGadgets();
13127
13128   MapLevelEditorToolboxCustomGadgetsIfNeeded();
13129
13130   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
13131   ClearField();
13132
13133   DrawText(sx, sy, text, font2_nr);
13134
13135   FrameCounter = 0;     // restart animation frame counter
13136
13137   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
13138   DrawEditorElementAnimation(SX + x1, SY + y1);
13139   DrawEditorElementName(x2, y2, font_nr);
13140
13141   DrawPropertiesTabulatorGadgets();
13142
13143   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
13144     DrawPropertiesInfo();
13145   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
13146     DrawPropertiesChange();
13147   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
13148     DrawPropertiesConfig();
13149 }
13150
13151 static void DrawPaletteWindow(void)
13152 {
13153   int i;
13154
13155   UnmapLevelEditorFieldGadgets();
13156
13157   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
13158   ClearField();
13159
13160   // map buttons to select elements
13161   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
13162     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
13163   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
13164   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
13165   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
13166 }
13167
13168 static void UpdateCustomElementGraphicGadgets(void)
13169 {
13170   int i;
13171
13172   InitElementPropertiesGfxElement();
13173
13174   ModifyEditorElementList();
13175   RedrawDrawingElements();
13176
13177   // force redraw of all mapped drawing area gadgets
13178   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
13179   {
13180     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
13181
13182     if (gi->mapped)
13183       MapDrawingArea(i);
13184   }
13185 }
13186
13187 static int getOpenDirectionFromTube(int element)
13188 {
13189   switch (element)
13190   {
13191     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
13192     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
13193     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
13194     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
13195     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
13196     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
13197     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
13198     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
13199     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
13200     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
13201     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
13202   }
13203
13204   return MV_NONE;
13205 }
13206
13207 static int getTubeFromOpenDirection(int direction)
13208 {
13209   switch (direction)
13210   {
13211     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
13212     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
13213     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
13214     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
13215     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
13216     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
13217     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
13218     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
13219     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
13220     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
13221     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
13222
13223     // if only one direction, fall back to simple tube with that direction
13224     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
13225     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
13226     case (MV_UP):                       return EL_TUBE_VERTICAL;
13227     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
13228   }
13229
13230   return EL_EMPTY;
13231 }
13232
13233 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
13234 {
13235   int element_new = getTubeFromOpenDirection(direction);
13236
13237   return (element_new != EL_EMPTY ? element_new : element_old);
13238 }
13239
13240 static int getOpenDirectionFromBelt(int element)
13241 {
13242   int belt_dir = getBeltDirFromBeltElement(element);
13243
13244   return (belt_dir == MV_LEFT ? MV_RIGHT :
13245           belt_dir == MV_RIGHT ? MV_LEFT :
13246           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
13247 }
13248
13249 static int getBeltFromNrAndOpenDirection(int nr, int direction)
13250 {
13251   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
13252                   direction == MV_RIGHT ? MV_LEFT :
13253                   direction == MV_HORIZONTAL ? MV_NONE : direction);
13254
13255   if (direction == MV_NONE)
13256     return EL_EMPTY;
13257
13258   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
13259 }
13260
13261 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
13262                                                  int element_old)
13263 {
13264   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
13265
13266   return (element_new != EL_EMPTY ? element_new : element_old);
13267 }
13268
13269 static int getOpenDirectionFromPool(int element)
13270 {
13271   switch (element)
13272   {
13273     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
13274     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
13275     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
13276     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
13277     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
13278     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
13279   }
13280
13281   return MV_NONE;
13282 }
13283
13284 static int getPoolFromOpenDirection(int direction)
13285 {
13286   switch (direction)
13287   {
13288     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
13289     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
13290     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
13291     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
13292     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
13293     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
13294   }
13295
13296   return EL_EMPTY;
13297 }
13298
13299 static int getPoolFromOpenDirectionExt(int direction, int help_element)
13300 {
13301   int element = getPoolFromOpenDirection(direction);
13302   int help_direction = getOpenDirectionFromPool(help_element);
13303
13304   if (element == EL_EMPTY)
13305   {
13306     int help_direction_vertical = help_direction & MV_VERTICAL;
13307
13308     element = getPoolFromOpenDirection(direction | help_direction_vertical);
13309   }
13310
13311   if (element == EL_EMPTY)
13312   {
13313     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
13314
13315     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
13316   }
13317
13318   return element;
13319 }
13320
13321 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
13322 {
13323   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
13324
13325   return (element_new != EL_EMPTY ? element_new : element_old);
13326 }
13327
13328 static int getOpenDirectionFromPillar(int element)
13329 {
13330   switch (element)
13331   {
13332     case EL_EMC_WALL_1:                 return (MV_DOWN);
13333     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
13334     case EL_EMC_WALL_3:                 return (MV_UP);
13335   }
13336
13337   return MV_NONE;
13338 }
13339
13340 static int getPillarFromOpenDirection(int direction)
13341 {
13342   switch (direction)
13343   {
13344     case (MV_DOWN):                     return EL_EMC_WALL_1;
13345     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
13346     case (MV_UP):                       return EL_EMC_WALL_3;
13347   }
13348
13349   return EL_EMPTY;
13350 }
13351
13352 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
13353 {
13354   int element_new = getPillarFromOpenDirection(direction);
13355
13356   return (element_new != EL_EMPTY ? element_new : element_old);
13357 }
13358
13359 static int getOpenDirectionFromSteel2(int element)
13360 {
13361   switch (element)
13362   {
13363     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
13364     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
13365     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
13366     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
13367     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
13368     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
13369     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
13370     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
13371   }
13372
13373   return MV_NONE;
13374 }
13375
13376 static int getSteel2FromOpenDirection(int direction)
13377 {
13378   switch (direction)
13379   {
13380     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
13381     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
13382     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
13383     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
13384     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
13385     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
13386     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
13387     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
13388   }
13389
13390   return EL_EMPTY;
13391 }
13392
13393 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
13394 {
13395   int element_new = getSteel2FromOpenDirection(direction);
13396
13397   return (element_new != EL_EMPTY ? element_new : element_old);
13398 }
13399
13400 static int getOpenDirectionFromChip(int element)
13401 {
13402   switch (element)
13403   {
13404     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
13405     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
13406     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
13407     case EL_SP_CHIP_TOP:                return (MV_DOWN);
13408     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
13409   }
13410
13411   return MV_NONE;
13412 }
13413
13414 static int getChipFromOpenDirection(int direction)
13415 {
13416   switch (direction)
13417   {
13418     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
13419     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
13420     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
13421     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
13422     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
13423   }
13424
13425   return EL_EMPTY;
13426 }
13427
13428 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
13429 {
13430   int element_new = getChipFromOpenDirection(direction);
13431
13432   return (element_new != EL_EMPTY ? element_new : element_old);
13433 }
13434
13435 static int getClosedTube(int x, int y)
13436 {
13437   struct XY *xy = xy_directions;
13438   int element_old = IntelliDrawBuffer[x][y];
13439   int direction_old = getOpenDirectionFromTube(element_old);
13440   int direction_new = MV_NONE;
13441   int i;
13442
13443   for (i = 0; i < NUM_DIRECTIONS; i++)
13444   {
13445     int xx = x + xy[i].x;
13446     int yy = y + xy[i].y;
13447     int dir = MV_DIR_FROM_BIT(i);
13448     int dir_opposite = MV_DIR_OPPOSITE(dir);
13449
13450     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
13451         (direction_old & dir) &&
13452         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13453       direction_new |= dir;
13454   }
13455
13456   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
13457 }
13458
13459 static int getClosedBelt(int x, int y)
13460 {
13461   struct XY *xy = xy_directions;
13462   int element_old = IntelliDrawBuffer[x][y];
13463   int nr = getBeltNrFromBeltElement(element_old);
13464   int direction_old = getOpenDirectionFromBelt(element_old);
13465   int direction_new = MV_NONE;
13466   int i;
13467
13468   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13469   {
13470     int xx = x + xy[i].x;
13471     int yy = y + xy[i].y;
13472     int dir = MV_DIR_FROM_BIT(i);
13473     int dir_opposite = MV_DIR_OPPOSITE(dir);
13474
13475     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
13476         (direction_old & dir) &&
13477         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13478       direction_new |= dir;
13479   }
13480
13481   return getBeltFromNrAndOpenDirection(nr, direction_new);
13482 }
13483
13484 static int getClosedPool(int x, int y)
13485 {
13486   struct XY *xy = xy_directions;
13487   int element_old = IntelliDrawBuffer[x][y];
13488   int direction_old = getOpenDirectionFromPool(element_old);
13489   int direction_new = MV_NONE;
13490   int i;
13491
13492   for (i = 0; i < NUM_DIRECTIONS; i++)
13493   {
13494     int xx = x + xy[i].x;
13495     int yy = y + xy[i].y;
13496     int dir = MV_DIR_FROM_BIT(i);
13497     int dir_opposite = MV_DIR_OPPOSITE(dir);
13498
13499     if (IN_LEV_FIELD(xx, yy) &&
13500         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
13501         (direction_old & dir) &&
13502         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13503       direction_new |= dir;
13504   }
13505
13506   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
13507 }
13508
13509 static int getClosedPillar(int x, int y)
13510 {
13511   struct XY *xy = xy_directions;
13512   int element_old = IntelliDrawBuffer[x][y];
13513   int direction_old = getOpenDirectionFromPillar(element_old);
13514   int direction_new = MV_NONE;
13515   int i;
13516
13517   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13518   {
13519     int xx = x + xy[i].x;
13520     int yy = y + xy[i].y;
13521     int dir = MV_DIR_FROM_BIT(i);
13522     int dir_opposite = MV_DIR_OPPOSITE(dir);
13523
13524     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
13525         (direction_old & dir) &&
13526         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13527       direction_new |= dir;
13528   }
13529
13530   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
13531 }
13532
13533 static int getClosedSteel2(int x, int y)
13534 {
13535   struct XY *xy = xy_directions;
13536   int element_old = IntelliDrawBuffer[x][y];
13537   int direction_old = getOpenDirectionFromSteel2(element_old);
13538   int direction_new = MV_NONE;
13539   int i;
13540
13541   for (i = 0; i < NUM_DIRECTIONS; i++)
13542   {
13543     int xx = x + xy[i].x;
13544     int yy = y + xy[i].y;
13545     int dir = MV_DIR_FROM_BIT(i);
13546     int dir_opposite = MV_DIR_OPPOSITE(dir);
13547
13548     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
13549         (direction_old & dir) &&
13550         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13551       direction_new |= dir;
13552   }
13553
13554   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
13555 }
13556
13557 static int getClosedChip(int x, int y)
13558 {
13559   struct XY *xy = xy_directions;
13560   int element_old = IntelliDrawBuffer[x][y];
13561   int direction_old = getOpenDirectionFromChip(element_old);
13562   int direction_new = MV_NONE;
13563   int i;
13564
13565   for (i = 0; i < NUM_DIRECTIONS; i++)
13566   {
13567     int xx = x + xy[i].x;
13568     int yy = y + xy[i].y;
13569     int dir = MV_DIR_FROM_BIT(i);
13570     int dir_opposite = MV_DIR_OPPOSITE(dir);
13571
13572     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
13573         (direction_old & dir) &&
13574         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13575       direction_new |= dir;
13576   }
13577
13578   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
13579 }
13580
13581 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
13582                                 boolean change_level)
13583 {
13584   int sx = x - level_xpos;
13585   int sy = y - level_ypos;
13586   int old_element = Tile[x][y];
13587   int new_element = element;
13588   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13589   boolean draw_masked = FALSE;
13590
13591   if (IS_MM_WALL_EDITOR(element))
13592   {
13593     element = map_mm_wall_element_editor(element) | new_bitmask;
13594
13595     if (IS_MM_WALL(old_element))
13596       element |= MM_WALL_BITS(old_element);
13597
13598     if (!change_level)
13599       draw_masked = TRUE;
13600   }
13601   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13602   {
13603     int element_changed = old_element & ~new_bitmask;
13604
13605     if (MM_WALL_BITS(element_changed) != 0)
13606       element = element_changed;
13607   }
13608
13609   IntelliDrawBuffer[x][y] = element;
13610
13611   if (change_level)
13612     Tile[x][y] = element;
13613
13614   if (IN_ED_FIELD(sx, sy))
13615   {
13616     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13617       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13618     else if (draw_masked)
13619       DrawEditorElementThruMask(sx, sy, element);
13620     else
13621       DrawEditorElement(sx, sy, element);
13622   }
13623 }
13624
13625 static void SetElementSimple(int x, int y, int element, boolean change_level)
13626 {
13627   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13628 }
13629
13630 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13631                                            int x2, int y2, int *element2,
13632                                            int (*close_function)(int, int),
13633                                            boolean change_level)
13634 {
13635   // set neighbour elements to newly determined connections
13636   SetElementSimple(x1, y1, *element1, change_level);
13637   SetElementSimple(x2, y2, *element2, change_level);
13638
13639   // remove all open connections of neighbour elements
13640   *element1 = close_function(x1, y1);
13641   *element2 = close_function(x2, y2);
13642
13643   // set neighbour elements to new, minimized connections
13644   SetElementSimple(x1, y1, *element1, change_level);
13645   SetElementSimple(x2, y2, *element2, change_level);
13646 }
13647
13648 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13649                                   boolean change_level, int button)
13650 {
13651   struct XY *xy = xy_directions;
13652   static int last_x = -1;
13653   static int last_y = -1;
13654
13655   if (new_element == EL_UNDEFINED)
13656   {
13657     last_x = -1;
13658     last_y = -1;
13659
13660     return;
13661   }
13662
13663   int old_element = IntelliDrawBuffer[x][y];
13664
13665   if (IS_TUBE(new_element))
13666   {
13667     int last_element_new = EL_UNDEFINED;
13668     int direction = MV_NONE;
13669     int i;
13670
13671     // if old element is of same kind, keep all existing directions
13672     if (IS_TUBE(old_element))
13673       direction |= getOpenDirectionFromTube(old_element);
13674
13675     for (i = 0; i < NUM_DIRECTIONS; i++)
13676     {
13677       int xx = x + xy[i].x;
13678       int yy = y + xy[i].y;
13679
13680       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13681           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13682       {
13683         int dir = MV_DIR_FROM_BIT(i);
13684         int dir_opposite = MV_DIR_OPPOSITE(dir);
13685         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13686         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13687         int last_direction_new = last_direction_old | dir_opposite;
13688
13689         last_element_new = getTubeFromOpenDirection(last_direction_new);
13690
13691         direction |= dir;
13692       }
13693     }
13694
13695     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13696
13697     if (last_element_new != EL_UNDEFINED)
13698       MergeAndCloseNeighbourElements(x, y, &new_element,
13699                                      last_x, last_y, &last_element_new,
13700                                      getClosedTube, change_level);
13701   }
13702   else if (IS_BELT(new_element))
13703   {
13704     int belt_nr = getBeltNrFromBeltElement(new_element);
13705     int last_element_new = EL_UNDEFINED;
13706     int direction = MV_NONE;
13707     int i;
13708
13709     // if old element is of same kind, keep all existing directions
13710     if (IS_BELT(old_element))
13711       direction |= getOpenDirectionFromBelt(old_element);
13712
13713     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13714     {
13715       int xx = x + xy[i].x;
13716       int yy = y + xy[i].y;
13717
13718       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13719           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13720       {
13721         int dir = MV_DIR_FROM_BIT(i);
13722         int dir_opposite = MV_DIR_OPPOSITE(dir);
13723         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13724         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13725         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13726         int last_direction_new = last_direction_old | dir_opposite;
13727
13728         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13729                                                          last_direction_new);
13730         direction |= dir;
13731       }
13732     }
13733
13734     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13735                                                         new_element);
13736     if (last_element_new != EL_UNDEFINED)
13737       MergeAndCloseNeighbourElements(x, y, &new_element,
13738                                      last_x, last_y, &last_element_new,
13739                                      getClosedBelt, change_level);
13740   }
13741   else if (IS_ACID_POOL_OR_ACID(new_element))
13742   {
13743     int last_element_new = EL_UNDEFINED;
13744     int direction = MV_NONE;
13745     int i;
13746
13747     // if old element is of same kind, keep all existing directions
13748     if (IS_ACID_POOL_OR_ACID(old_element))
13749       direction |= getOpenDirectionFromPool(old_element);
13750
13751     for (i = 0; i < NUM_DIRECTIONS; i++)
13752     {
13753       int xx = x + xy[i].x;
13754       int yy = y + xy[i].y;
13755
13756       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13757           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13758       {
13759         int dir = MV_DIR_FROM_BIT(i);
13760         int dir_opposite = MV_DIR_OPPOSITE(dir);
13761         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13762         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13763         int last_direction_new = last_direction_old | dir_opposite;
13764
13765         last_element_new = getPoolFromOpenDirection(last_direction_new);
13766
13767         direction |= dir;
13768       }
13769     }
13770
13771     // special corrections needed for intuitively correct acid pool drawing
13772     if (last_element_new == EL_EMPTY)
13773       last_element_new = new_element;
13774     else if (last_element_new != EL_UNDEFINED)
13775       new_element = last_element_new;
13776
13777     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13778
13779     if (last_element_new != EL_UNDEFINED)
13780       MergeAndCloseNeighbourElements(x, y, &new_element,
13781                                      last_x, last_y, &last_element_new,
13782                                      getClosedPool, change_level);
13783   }
13784   else if (IS_EMC_PILLAR(new_element))
13785   {
13786     int last_element_new = EL_UNDEFINED;
13787     int direction = MV_NONE;
13788     int i;
13789
13790     // if old element is of same kind, keep all existing directions
13791     if (IS_EMC_PILLAR(old_element))
13792       direction |= getOpenDirectionFromPillar(old_element);
13793
13794     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13795     {
13796       int xx = x + xy[i].x;
13797       int yy = y + xy[i].y;
13798
13799       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13800           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13801       {
13802         int dir = MV_DIR_FROM_BIT(i);
13803         int dir_opposite = MV_DIR_OPPOSITE(dir);
13804         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13805         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13806         int last_direction_new = last_direction_old | dir_opposite;
13807
13808         last_element_new = getPillarFromOpenDirection(last_direction_new);
13809
13810         direction |= dir;
13811       }
13812     }
13813
13814     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13815
13816     if (last_element_new != EL_UNDEFINED)
13817       MergeAndCloseNeighbourElements(x, y, &new_element,
13818                                      last_x, last_y, &last_element_new,
13819                                      getClosedPillar, change_level);
13820   }
13821   else if (IS_DC_STEELWALL_2(new_element))
13822   {
13823     int last_element_new = EL_UNDEFINED;
13824     int direction = MV_NONE;
13825     int i;
13826
13827     // if old element is of same kind, keep all existing directions
13828     if (IS_DC_STEELWALL_2(old_element))
13829       direction |= getOpenDirectionFromSteel2(old_element);
13830
13831     for (i = 0; i < NUM_DIRECTIONS; i++)
13832     {
13833       int xx = x + xy[i].x;
13834       int yy = y + xy[i].y;
13835
13836       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13837           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13838       {
13839         int dir = MV_DIR_FROM_BIT(i);
13840         int dir_opposite = MV_DIR_OPPOSITE(dir);
13841         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13842         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13843         int last_direction_new = last_direction_old | dir_opposite;
13844
13845         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13846
13847         direction |= dir;
13848       }
13849     }
13850
13851     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13852
13853     if (last_element_new != EL_UNDEFINED)
13854       MergeAndCloseNeighbourElements(x, y, &new_element,
13855                                      last_x, last_y, &last_element_new,
13856                                      getClosedSteel2, change_level);
13857   }
13858   else if (IS_SP_CHIP(new_element))
13859   {
13860     int last_element_new = EL_UNDEFINED;
13861     int direction = MV_NONE;
13862     int i;
13863
13864     // (do not keep existing directions, regardless of kind of old element)
13865
13866     for (i = 0; i < NUM_DIRECTIONS; i++)
13867     {
13868       int xx = x + xy[i].x;
13869       int yy = y + xy[i].y;
13870
13871       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13872           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13873       {
13874         int dir = MV_DIR_FROM_BIT(i);
13875         int dir_opposite = MV_DIR_OPPOSITE(dir);
13876         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13877         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13878         int last_direction_new = last_direction_old | dir_opposite;
13879
13880         if (last_direction_old == MV_NONE)
13881         {
13882           last_element_new = getChipFromOpenDirection(last_direction_new);
13883           direction |= dir;
13884         }
13885         else if (last_direction_old & (dir | dir_opposite))
13886         {
13887           direction |= MV_DIR_OPPOSITE(last_direction_old);
13888         }
13889         else
13890         {
13891           direction |= MV_DIR_OPPOSITE(dir);
13892         }
13893       }
13894     }
13895
13896     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13897
13898     if (last_element_new != EL_UNDEFINED)
13899       MergeAndCloseNeighbourElements(x, y, &new_element,
13900                                      last_x, last_y, &last_element_new,
13901                                      getClosedChip, change_level);
13902   }
13903   else if (IS_SP_HARDWARE_BASE(new_element))
13904   {
13905     int nr = GetSimpleRandom(6);
13906
13907     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13908                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13909                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13910                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13911                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13912   }
13913   else if (new_element == EL_SP_HARDWARE_GREEN ||
13914            new_element == EL_SP_HARDWARE_BLUE ||
13915            new_element == EL_SP_HARDWARE_RED)
13916   {
13917     int nr = GetSimpleRandom(3);
13918
13919     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13920                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13921   }
13922   else if (IS_GROUP_ELEMENT(new_element))
13923   {
13924     boolean connected_drawing = FALSE;
13925     int i;
13926
13927     for (i = 0; i < NUM_DIRECTIONS; i++)
13928     {
13929       int xx = x + xy[i].x;
13930       int yy = y + xy[i].y;
13931
13932       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13933           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13934         connected_drawing = TRUE;
13935     }
13936
13937     if (!connected_drawing)
13938       ResolveGroupElement(new_element);
13939
13940     new_element = GetElementFromGroupElement(new_element);
13941   }
13942   else if (IS_BELT_SWITCH(old_element))
13943   {
13944     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13945     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13946
13947     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13948                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13949
13950     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13951   }
13952   else
13953   {
13954     static int swappable_elements[][2] =
13955     {
13956       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13957       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13958       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13959       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13960       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13961       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13962       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13963       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13964       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13965       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13966       { EL_BDX_DIAMOND,                 EL_BDX_WALL_DIAMOND             },
13967       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13968       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13969       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13970       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13971       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13972       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13973       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13974       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13975       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13976       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13977       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13978       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13979       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13980       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13981       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13982       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13983       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13984       { EL_PEARL,                       EL_WALL_PEARL                   },
13985       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13986       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13987       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13988       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13989       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13990       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13991       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13992       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13993       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13994       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13995       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13996       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13997       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13998       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13999       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
14000       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
14001
14002       { -1,                             -1                              },
14003     };
14004     static int rotatable_elements_4[][4] =
14005     {
14006       {
14007         EL_BUG_UP,
14008         EL_BUG_RIGHT,
14009         EL_BUG_DOWN,
14010         EL_BUG_LEFT
14011       },
14012       {
14013         EL_SPACESHIP_UP,
14014         EL_SPACESHIP_RIGHT,
14015         EL_SPACESHIP_DOWN,
14016         EL_SPACESHIP_LEFT
14017       },
14018       {
14019         EL_BD_BUTTERFLY_UP,
14020         EL_BD_BUTTERFLY_RIGHT,
14021         EL_BD_BUTTERFLY_DOWN,
14022         EL_BD_BUTTERFLY_LEFT
14023       },
14024       {
14025         EL_BD_FIREFLY_UP,
14026         EL_BD_FIREFLY_RIGHT,
14027         EL_BD_FIREFLY_DOWN,
14028         EL_BD_FIREFLY_LEFT
14029       },
14030       {
14031         EL_PACMAN_UP,
14032         EL_PACMAN_RIGHT,
14033         EL_PACMAN_DOWN,
14034         EL_PACMAN_LEFT
14035       },
14036       {
14037         EL_YAMYAM_UP,
14038         EL_YAMYAM_RIGHT,
14039         EL_YAMYAM_DOWN,
14040         EL_YAMYAM_LEFT
14041       },
14042       {
14043         EL_ARROW_UP,
14044         EL_ARROW_RIGHT,
14045         EL_ARROW_DOWN,
14046         EL_ARROW_LEFT
14047       },
14048       {
14049         EL_SP_PORT_UP,
14050         EL_SP_PORT_RIGHT,
14051         EL_SP_PORT_DOWN,
14052         EL_SP_PORT_LEFT
14053       },
14054       {
14055         EL_SP_GRAVITY_PORT_UP,
14056         EL_SP_GRAVITY_PORT_RIGHT,
14057         EL_SP_GRAVITY_PORT_DOWN,
14058         EL_SP_GRAVITY_PORT_LEFT
14059       },
14060       {
14061         EL_SP_GRAVITY_ON_PORT_UP,
14062         EL_SP_GRAVITY_ON_PORT_RIGHT,
14063         EL_SP_GRAVITY_ON_PORT_DOWN,
14064         EL_SP_GRAVITY_ON_PORT_LEFT
14065       },
14066       {
14067         EL_SP_GRAVITY_OFF_PORT_UP,
14068         EL_SP_GRAVITY_OFF_PORT_RIGHT,
14069         EL_SP_GRAVITY_OFF_PORT_DOWN,
14070         EL_SP_GRAVITY_OFF_PORT_LEFT
14071       },
14072       {
14073         EL_MOLE_UP,
14074         EL_MOLE_RIGHT,
14075         EL_MOLE_DOWN,
14076         EL_MOLE_LEFT
14077       },
14078       {
14079         EL_BALLOON_SWITCH_UP,
14080         EL_BALLOON_SWITCH_RIGHT,
14081         EL_BALLOON_SWITCH_DOWN,
14082         EL_BALLOON_SWITCH_LEFT
14083       },
14084       {
14085         EL_MM_MCDUFFIN_UP,
14086         EL_MM_MCDUFFIN_RIGHT,
14087         EL_MM_MCDUFFIN_DOWN,
14088         EL_MM_MCDUFFIN_LEFT
14089       },
14090       {
14091         EL_MM_MIRROR_FIXED_1,
14092         EL_MM_MIRROR_FIXED_4,
14093         EL_MM_MIRROR_FIXED_3,
14094         EL_MM_MIRROR_FIXED_2
14095       },
14096       {
14097         EL_MM_STEEL_GRID_FIXED_1,
14098         EL_MM_STEEL_GRID_FIXED_4,
14099         EL_MM_STEEL_GRID_FIXED_2,
14100         EL_MM_STEEL_GRID_FIXED_3
14101       },
14102       {
14103         EL_MM_WOODEN_GRID_FIXED_1,
14104         EL_MM_WOODEN_GRID_FIXED_4,
14105         EL_MM_WOODEN_GRID_FIXED_2,
14106         EL_MM_WOODEN_GRID_FIXED_3
14107       },
14108       {
14109         EL_MM_POLARIZER_CROSS_1,
14110         EL_MM_POLARIZER_CROSS_4,
14111         EL_MM_POLARIZER_CROSS_3,
14112         EL_MM_POLARIZER_CROSS_2
14113       },
14114       {
14115         EL_MM_PACMAN_UP,
14116         EL_MM_PACMAN_RIGHT,
14117         EL_MM_PACMAN_DOWN,
14118         EL_MM_PACMAN_LEFT
14119       },
14120       {
14121         EL_DF_LASER_UP,
14122         EL_DF_LASER_RIGHT,
14123         EL_DF_LASER_DOWN,
14124         EL_DF_LASER_LEFT
14125       },
14126       {
14127         EL_DF_RECEIVER_UP,
14128         EL_DF_RECEIVER_RIGHT,
14129         EL_DF_RECEIVER_DOWN,
14130         EL_DF_RECEIVER_LEFT
14131       },
14132       {
14133         EL_DF_SLOPE_1,
14134         EL_DF_SLOPE_4,
14135         EL_DF_SLOPE_3,
14136         EL_DF_SLOPE_2
14137       },
14138
14139       {
14140         -1,
14141       },
14142     };
14143     static int rotatable_elements_8[][8] =
14144     {
14145       {
14146         EL_DF_STEEL_GRID_FIXED_1,
14147         EL_DF_STEEL_GRID_FIXED_8,
14148         EL_DF_STEEL_GRID_FIXED_7,
14149         EL_DF_STEEL_GRID_FIXED_6,
14150         EL_DF_STEEL_GRID_FIXED_5,
14151         EL_DF_STEEL_GRID_FIXED_4,
14152         EL_DF_STEEL_GRID_FIXED_3,
14153         EL_DF_STEEL_GRID_FIXED_2
14154       },
14155       {
14156         EL_DF_WOODEN_GRID_FIXED_1,
14157         EL_DF_WOODEN_GRID_FIXED_8,
14158         EL_DF_WOODEN_GRID_FIXED_7,
14159         EL_DF_WOODEN_GRID_FIXED_6,
14160         EL_DF_WOODEN_GRID_FIXED_5,
14161         EL_DF_WOODEN_GRID_FIXED_4,
14162         EL_DF_WOODEN_GRID_FIXED_3,
14163         EL_DF_WOODEN_GRID_FIXED_2
14164       },
14165       {
14166         EL_DF_STEEL_GRID_ROTATING_1,
14167         EL_DF_STEEL_GRID_ROTATING_8,
14168         EL_DF_STEEL_GRID_ROTATING_7,
14169         EL_DF_STEEL_GRID_ROTATING_6,
14170         EL_DF_STEEL_GRID_ROTATING_5,
14171         EL_DF_STEEL_GRID_ROTATING_4,
14172         EL_DF_STEEL_GRID_ROTATING_3,
14173         EL_DF_STEEL_GRID_ROTATING_2
14174       },
14175       {
14176         EL_DF_WOODEN_GRID_ROTATING_1,
14177         EL_DF_WOODEN_GRID_ROTATING_8,
14178         EL_DF_WOODEN_GRID_ROTATING_7,
14179         EL_DF_WOODEN_GRID_ROTATING_6,
14180         EL_DF_WOODEN_GRID_ROTATING_5,
14181         EL_DF_WOODEN_GRID_ROTATING_4,
14182         EL_DF_WOODEN_GRID_ROTATING_3,
14183         EL_DF_WOODEN_GRID_ROTATING_2
14184       },
14185
14186       {
14187         -1,
14188       },
14189     };
14190     static int rotatable_elements_16[][16] =
14191     {
14192       {
14193         EL_MM_MIRROR_1,
14194         EL_MM_MIRROR_16,
14195         EL_MM_MIRROR_15,
14196         EL_MM_MIRROR_14,
14197         EL_MM_MIRROR_13,
14198         EL_MM_MIRROR_12,
14199         EL_MM_MIRROR_11,
14200         EL_MM_MIRROR_10,
14201         EL_MM_MIRROR_9,
14202         EL_MM_MIRROR_8,
14203         EL_MM_MIRROR_7,
14204         EL_MM_MIRROR_6,
14205         EL_MM_MIRROR_5,
14206         EL_MM_MIRROR_4,
14207         EL_MM_MIRROR_3,
14208         EL_MM_MIRROR_2
14209       },
14210       {
14211         EL_MM_TELEPORTER_5,
14212         EL_MM_TELEPORTER_4,
14213         EL_MM_TELEPORTER_3,
14214         EL_MM_TELEPORTER_2,
14215         EL_MM_TELEPORTER_1,
14216         EL_MM_TELEPORTER_16,
14217         EL_MM_TELEPORTER_15,
14218         EL_MM_TELEPORTER_14,
14219         EL_MM_TELEPORTER_13,
14220         EL_MM_TELEPORTER_12,
14221         EL_MM_TELEPORTER_11,
14222         EL_MM_TELEPORTER_10,
14223         EL_MM_TELEPORTER_9,
14224         EL_MM_TELEPORTER_8,
14225         EL_MM_TELEPORTER_7,
14226         EL_MM_TELEPORTER_6
14227       },
14228       {
14229         EL_MM_TELEPORTER_RED_5,
14230         EL_MM_TELEPORTER_RED_4,
14231         EL_MM_TELEPORTER_RED_3,
14232         EL_MM_TELEPORTER_RED_2,
14233         EL_MM_TELEPORTER_RED_1,
14234         EL_MM_TELEPORTER_RED_16,
14235         EL_MM_TELEPORTER_RED_15,
14236         EL_MM_TELEPORTER_RED_14,
14237         EL_MM_TELEPORTER_RED_13,
14238         EL_MM_TELEPORTER_RED_12,
14239         EL_MM_TELEPORTER_RED_11,
14240         EL_MM_TELEPORTER_RED_10,
14241         EL_MM_TELEPORTER_RED_9,
14242         EL_MM_TELEPORTER_RED_8,
14243         EL_MM_TELEPORTER_RED_7,
14244         EL_MM_TELEPORTER_RED_6
14245       },
14246       {
14247         EL_MM_TELEPORTER_YELLOW_5,
14248         EL_MM_TELEPORTER_YELLOW_4,
14249         EL_MM_TELEPORTER_YELLOW_3,
14250         EL_MM_TELEPORTER_YELLOW_2,
14251         EL_MM_TELEPORTER_YELLOW_1,
14252         EL_MM_TELEPORTER_YELLOW_16,
14253         EL_MM_TELEPORTER_YELLOW_15,
14254         EL_MM_TELEPORTER_YELLOW_14,
14255         EL_MM_TELEPORTER_YELLOW_13,
14256         EL_MM_TELEPORTER_YELLOW_12,
14257         EL_MM_TELEPORTER_YELLOW_11,
14258         EL_MM_TELEPORTER_YELLOW_10,
14259         EL_MM_TELEPORTER_YELLOW_9,
14260         EL_MM_TELEPORTER_YELLOW_8,
14261         EL_MM_TELEPORTER_YELLOW_7,
14262         EL_MM_TELEPORTER_YELLOW_6
14263       },
14264       {
14265         EL_MM_TELEPORTER_GREEN_5,
14266         EL_MM_TELEPORTER_GREEN_4,
14267         EL_MM_TELEPORTER_GREEN_3,
14268         EL_MM_TELEPORTER_GREEN_2,
14269         EL_MM_TELEPORTER_GREEN_1,
14270         EL_MM_TELEPORTER_GREEN_16,
14271         EL_MM_TELEPORTER_GREEN_15,
14272         EL_MM_TELEPORTER_GREEN_14,
14273         EL_MM_TELEPORTER_GREEN_13,
14274         EL_MM_TELEPORTER_GREEN_12,
14275         EL_MM_TELEPORTER_GREEN_11,
14276         EL_MM_TELEPORTER_GREEN_10,
14277         EL_MM_TELEPORTER_GREEN_9,
14278         EL_MM_TELEPORTER_GREEN_8,
14279         EL_MM_TELEPORTER_GREEN_7,
14280         EL_MM_TELEPORTER_GREEN_6
14281       },
14282       {
14283         EL_MM_TELEPORTER_BLUE_5,
14284         EL_MM_TELEPORTER_BLUE_4,
14285         EL_MM_TELEPORTER_BLUE_3,
14286         EL_MM_TELEPORTER_BLUE_2,
14287         EL_MM_TELEPORTER_BLUE_1,
14288         EL_MM_TELEPORTER_BLUE_16,
14289         EL_MM_TELEPORTER_BLUE_15,
14290         EL_MM_TELEPORTER_BLUE_14,
14291         EL_MM_TELEPORTER_BLUE_13,
14292         EL_MM_TELEPORTER_BLUE_12,
14293         EL_MM_TELEPORTER_BLUE_11,
14294         EL_MM_TELEPORTER_BLUE_10,
14295         EL_MM_TELEPORTER_BLUE_9,
14296         EL_MM_TELEPORTER_BLUE_8,
14297         EL_MM_TELEPORTER_BLUE_7,
14298         EL_MM_TELEPORTER_BLUE_6
14299       },
14300       {
14301         EL_MM_POLARIZER_1,
14302         EL_MM_POLARIZER_16,
14303         EL_MM_POLARIZER_15,
14304         EL_MM_POLARIZER_14,
14305         EL_MM_POLARIZER_13,
14306         EL_MM_POLARIZER_12,
14307         EL_MM_POLARIZER_11,
14308         EL_MM_POLARIZER_10,
14309         EL_MM_POLARIZER_9,
14310         EL_MM_POLARIZER_8,
14311         EL_MM_POLARIZER_7,
14312         EL_MM_POLARIZER_6,
14313         EL_MM_POLARIZER_5,
14314         EL_MM_POLARIZER_4,
14315         EL_MM_POLARIZER_3,
14316         EL_MM_POLARIZER_2
14317       },
14318       {
14319         EL_DF_MIRROR_1,
14320         EL_DF_MIRROR_16,
14321         EL_DF_MIRROR_15,
14322         EL_DF_MIRROR_14,
14323         EL_DF_MIRROR_13,
14324         EL_DF_MIRROR_12,
14325         EL_DF_MIRROR_11,
14326         EL_DF_MIRROR_10,
14327         EL_DF_MIRROR_9,
14328         EL_DF_MIRROR_8,
14329         EL_DF_MIRROR_7,
14330         EL_DF_MIRROR_6,
14331         EL_DF_MIRROR_5,
14332         EL_DF_MIRROR_4,
14333         EL_DF_MIRROR_3,
14334         EL_DF_MIRROR_2
14335       },
14336       {
14337         EL_DF_MIRROR_ROTATING_1,
14338         EL_DF_MIRROR_ROTATING_16,
14339         EL_DF_MIRROR_ROTATING_15,
14340         EL_DF_MIRROR_ROTATING_14,
14341         EL_DF_MIRROR_ROTATING_13,
14342         EL_DF_MIRROR_ROTATING_12,
14343         EL_DF_MIRROR_ROTATING_11,
14344         EL_DF_MIRROR_ROTATING_10,
14345         EL_DF_MIRROR_ROTATING_9,
14346         EL_DF_MIRROR_ROTATING_8,
14347         EL_DF_MIRROR_ROTATING_7,
14348         EL_DF_MIRROR_ROTATING_6,
14349         EL_DF_MIRROR_ROTATING_5,
14350         EL_DF_MIRROR_ROTATING_4,
14351         EL_DF_MIRROR_ROTATING_3,
14352         EL_DF_MIRROR_ROTATING_2
14353       },
14354       {
14355         EL_DF_MIRROR_FIXED_1,
14356         EL_DF_MIRROR_FIXED_16,
14357         EL_DF_MIRROR_FIXED_15,
14358         EL_DF_MIRROR_FIXED_14,
14359         EL_DF_MIRROR_FIXED_13,
14360         EL_DF_MIRROR_FIXED_12,
14361         EL_DF_MIRROR_FIXED_11,
14362         EL_DF_MIRROR_FIXED_10,
14363         EL_DF_MIRROR_FIXED_9,
14364         EL_DF_MIRROR_FIXED_8,
14365         EL_DF_MIRROR_FIXED_7,
14366         EL_DF_MIRROR_FIXED_6,
14367         EL_DF_MIRROR_FIXED_5,
14368         EL_DF_MIRROR_FIXED_4,
14369         EL_DF_MIRROR_FIXED_3,
14370         EL_DF_MIRROR_FIXED_2
14371       },
14372
14373       {
14374         -1,
14375       },
14376     };
14377     int i, j;
14378
14379     for (i = 0; swappable_elements[i][0] != -1; i++)
14380     {
14381       int element1 = swappable_elements[i][0];
14382       int element2 = swappable_elements[i][1];
14383
14384       if (old_element == element1 || old_element == element2)
14385         new_element = (old_element == element1 ? element2 : element1);
14386     }
14387
14388     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
14389     {
14390       for (j = 0; j < 4; j++)
14391       {
14392         int element = rotatable_elements_4[i][j];
14393
14394         if (old_element == element)
14395           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
14396                          button == 2 ? rotatable_elements_4[i][0]           :
14397                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
14398                          old_element);
14399       }
14400     }
14401
14402     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
14403     {
14404       for (j = 0; j < 8; j++)
14405       {
14406         int element = rotatable_elements_8[i][j];
14407
14408         if (old_element == element)
14409           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
14410                          button == 2 ? rotatable_elements_8[i][0]           :
14411                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
14412                          old_element);
14413       }
14414     }
14415
14416     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
14417     {
14418       for (j = 0; j < 16; j++)
14419       {
14420         int element = rotatable_elements_16[i][j];
14421
14422         if (old_element == element)
14423           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
14424                          button == 2 ? rotatable_elements_16[i][0]             :
14425                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
14426                          old_element);
14427       }
14428     }
14429
14430     if (old_element != new_element)
14431     {
14432       int max_infotext_len = getMaxInfoTextLength();
14433       char infotext[MAX_OUTPUT_LINESIZE + 1];
14434
14435       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
14436       infotext[max_infotext_len] = '\0';
14437
14438       ClearEditorGadgetInfoText();
14439
14440       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
14441                 infotext);
14442     }
14443   }
14444
14445   if (IS_MM_WALL_EDITOR(new_element))
14446     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
14447   else
14448     SetElementSimple(x, y, new_element, change_level);
14449
14450   last_x = x;
14451   last_y = y;
14452 }
14453
14454 static void ResetIntelliDraw(void)
14455 {
14456   int x, y;
14457
14458   for (x = 0; x < lev_fieldx; x++)
14459     for (y = 0; y < lev_fieldy; y++)
14460       IntelliDrawBuffer[x][y] = Tile[x][y];
14461
14462   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
14463 }
14464
14465 static boolean draw_mode_hires = FALSE;
14466
14467 static boolean isHiresTileElement(int element)
14468 {
14469   return (IS_MM_WALL(element)        || element == EL_EMPTY);
14470 }
14471
14472 static boolean isHiresDrawElement(int element)
14473 {
14474   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
14475 }
14476
14477 static int numHiresTiles(int element)
14478 {
14479   if (IS_MM_WALL(element))
14480     return get_number_of_bits(MM_WALL_BITS(element));
14481
14482   return 1;
14483 }
14484
14485 static void SetDrawModeHiRes(int element)
14486 {
14487   draw_mode_hires =
14488     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14489      isHiresDrawElement(element));
14490 }
14491
14492 static boolean getDrawModeHiRes(void)
14493 {
14494   return draw_mode_hires;
14495 }
14496
14497 static int getLoResScreenPos(int pos)
14498 {
14499   return (getDrawModeHiRes() ? pos / 2 : pos);
14500 }
14501
14502 static int getLoResScreenMod(int pos)
14503 {
14504   return (getDrawModeHiRes() ? pos % 2 : 0);
14505 }
14506
14507 static void SetElementExt(int x, int y, int dx, int dy, int element,
14508                           boolean change_level, int button)
14509 {
14510   if (element < 0)
14511     SetElementSimple(x, y, Tile[x][y], change_level);
14512   else if (GetKeyModState() & KMOD_Shift)
14513     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
14514   else
14515     SetElementSimpleExt(x, y, dx, dy, element, change_level);
14516 }
14517
14518 static void SetElement(int x, int y, int element)
14519 {
14520   SetElementExt(x, y, 0, 0, element, TRUE, -1);
14521 }
14522
14523 static void SetElementButton(int x, int y, int dx, int dy, int element,
14524                              int button)
14525 {
14526   SetElementExt(x, y, dx, dy, element, TRUE, button);
14527 }
14528
14529 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
14530 {
14531   int lx = getLoResScreenPos(sx2) + level_xpos;
14532   int ly = getLoResScreenPos(sy2) + level_ypos;
14533   int dx = getLoResScreenMod(sx2);
14534   int dy = getLoResScreenMod(sy2);
14535
14536   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
14537 }
14538
14539 static void SetLevelElementHiRes(int lx2, int ly2, int element)
14540 {
14541   int lx = lx2 / 2;
14542   int ly = ly2 / 2;
14543   int dx = lx2 % 2;
14544   int dy = ly2 % 2;
14545
14546   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
14547 }
14548
14549 static int getLevelElementHiRes(int lx2, int ly2)
14550 {
14551   int lx = lx2 / 2;
14552   int ly = ly2 / 2;
14553   int dx = lx2 % 2;
14554   int dy = ly2 % 2;
14555   int element = Tile[lx][ly];
14556   unsigned int bitmask = (dx + 1) << (dy * 2);
14557
14558   if (IS_MM_WALL(element))
14559   {
14560     if (element & bitmask)
14561       return map_mm_wall_element(element);
14562     else
14563       return EL_EMPTY;
14564   }
14565
14566   return element;
14567 }
14568
14569 static void DrawLineElement(int x, int y, int element, boolean change_level)
14570 {
14571   SetElementHiRes(x, y, element, change_level);
14572 }
14573
14574 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
14575                      int element, boolean change_level)
14576 {
14577   int xsize = ABS(to_x - from_x);
14578   int ysize = ABS(to_y - from_y);
14579   int dx = (to_x < from_x ? -1 : +1);
14580   int dy = (to_y < from_y ? -1 : +1);
14581   int i;
14582
14583   if (from_y == to_y)                   // horizontal line
14584   {
14585     for (i = 0; i <= xsize; i++)
14586       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14587   }
14588   else if (from_x == to_x)              // vertical line
14589   {
14590     for (i = 0; i <= ysize; i++)
14591       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14592   }
14593   else                                  // diagonal line
14594   {
14595     if (ysize < xsize)                  // a < 1
14596     {
14597       float a = (float)ysize / (float)xsize;
14598
14599       for (i = 0; i <= xsize; i++)
14600       {
14601         int x = dx * i;
14602         int y = dy * (int)(a * i + 0.5);
14603
14604         DrawLineElement(from_x + x, from_y + y, element, change_level);
14605       }
14606     }
14607     else                                // a >= 1
14608     {
14609       float a = (float)xsize / (float)ysize;
14610
14611       for (i = 0; i <= ysize; i++)
14612       {
14613         int x = dx * (int)(a * i + 0.5);
14614         int y = dy * i;
14615
14616         DrawLineElement(from_x + x, from_y + y, element, change_level);
14617       }
14618     }
14619   }
14620 }
14621
14622 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14623                     int element, boolean change_level)
14624 {
14625   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14626   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14627   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14628   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14629 }
14630
14631 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14632                           int element, boolean change_level)
14633 {
14634   int y;
14635
14636   if (from_y > to_y)
14637     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14638
14639   for (y = from_y; y <= to_y; y++)
14640     DrawLine(from_x, y, to_x, y, element, change_level);
14641 }
14642
14643 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14644                        int element, boolean change_level)
14645 {
14646   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14647   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14648   int len_x = ABS(to_x - from_x);
14649   int len_y = ABS(to_y - from_y);
14650   int radius, x, y;
14651
14652   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14653
14654   // not optimal (some points get drawn twice) but simple,
14655   // and fast enough for the few points we are drawing
14656
14657   for (x = 0; x <= radius; x++)
14658   {
14659     int sx, sy, sx2, sy2, lx, ly;
14660
14661     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14662
14663     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14664     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14665     sx = getLoResScreenPos(sx2);
14666     sy = getLoResScreenPos(sy2);
14667     lx = sx + level_xpos;
14668     ly = sy + level_ypos;
14669
14670     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14671       DrawLineElement(sx2, sy2, element, change_level);
14672   }
14673
14674   for (y = 0; y <= radius; y++)
14675   {
14676     int sx, sy, sx2, sy2, lx, ly;
14677
14678     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14679
14680     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14681     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14682     sx = getLoResScreenPos(sx2);
14683     sy = getLoResScreenPos(sy2);
14684     lx = sx + level_xpos;
14685     ly = sy + level_ypos;
14686
14687     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14688       DrawLineElement(sx2, sy2, element, change_level);
14689   }
14690 }
14691
14692 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14693                     int element, boolean change_level)
14694 {
14695   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14696   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14697
14698   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14699 }
14700
14701 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14702
14703 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14704 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14705                        int element, boolean change_level)
14706 {
14707   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14708   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14709   int mirror_to_x2 = from_x - (to_x2 - from_x);
14710   int mirror_to_y2 = from_y - (to_y2 - from_y);
14711
14712   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14713   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14714   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14715   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14716 }
14717 #endif
14718
14719 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14720 {
14721   int from_sx, from_sy;
14722   int to_sx, to_sy;
14723
14724   if (from_x > to_x)
14725     swap_numbers(&from_x, &to_x);
14726
14727   if (from_y > to_y)
14728     swap_numbers(&from_y, &to_y);
14729
14730   from_sx = SX + from_x * ed_tilesize;
14731   from_sy = SY + from_y * ed_tilesize;
14732   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14733   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14734
14735   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14736   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14737   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14738   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14739
14740   if (from_x == to_x && from_y == to_y)
14741     MarkTileDirty(from_x/2, from_y/2);
14742   else
14743     redraw_mask |= REDRAW_FIELD;
14744 }
14745
14746 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14747                         int element, boolean change_level)
14748 {
14749   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14750 }
14751
14752 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14753                        int element, boolean change_level)
14754 {
14755   if (element == -1 || change_level)
14756     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14757   else
14758     DrawAreaBorder(from_x, from_y, to_x, to_y);
14759 }
14760
14761 // values for CopyBrushExt()
14762 #define CB_AREA_TO_BRUSH                0
14763 #define CB_BRUSH_TO_CURSOR              1
14764 #define CB_BRUSH_TO_LEVEL               2
14765 #define CB_DELETE_OLD_CURSOR            3
14766 #define CB_DUMP_BRUSH                   4
14767 #define CB_DUMP_BRUSH_SMALL             5
14768 #define CB_CLIPBOARD_TO_BRUSH           6
14769 #define CB_BRUSH_TO_CLIPBOARD           7
14770 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14771 #define CB_UPDATE_BRUSH_POSITION        9
14772 #define CB_FLIP_BRUSH_X                 10
14773 #define CB_FLIP_BRUSH_Y                 11
14774 #define CB_FLIP_BRUSH_XY                12
14775
14776 #define MAX_CB_PART_SIZE        10
14777 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14778 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14779 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14780                                  MAX_CB_NUM_LINES *     \
14781                                  MAX_CB_PART_SIZE)
14782
14783 static int getFlippedTileExt(int map[], int element)
14784 {
14785   int i;
14786
14787   for (i = 0; map[i] != -1; i++)
14788     if (map[i] == element)
14789       return map[i ^ 1];        // get flipped element by flipping LSB of index
14790
14791   return element;
14792 }
14793
14794 static int getFlippedTileX(int element)
14795 {
14796   int map[] =
14797   {
14798     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14799     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14800     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14801     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14802     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14803     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14804     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14805     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14806     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14807     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14808     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14809     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14810     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14811     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14812     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14813     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14814     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14815     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14816     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14817     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14818     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14819     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14820     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14821     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14822     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14823     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14824     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14825     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14826     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14827     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14828
14829     -1
14830   };
14831
14832   return getFlippedTileExt(map, element);
14833 }
14834
14835 static int getFlippedTileY(int element)
14836 {
14837   int map[] =
14838   {
14839     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14840     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14841     EL_BUG_UP,                          EL_BUG_DOWN,
14842     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14843     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14844     EL_ARROW_UP,                        EL_ARROW_DOWN,
14845     EL_MOLE_UP,                         EL_MOLE_DOWN,
14846     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14847     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14848     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14849     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14850     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14851     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14852     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14853     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14854     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14855     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14856     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14857     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14858     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14859     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14860     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14861     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14862     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14863
14864     -1
14865   };
14866
14867   return getFlippedTileExt(map, element);
14868 }
14869
14870 static int getFlippedTileXY(int element)
14871 {
14872   int map[] =
14873   {
14874     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14875     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14876     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14877     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14878     EL_BUG_LEFT,                        EL_BUG_UP,
14879     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14880     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14881     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14882     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14883     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14884     EL_ARROW_LEFT,                      EL_ARROW_UP,
14885     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14886     EL_MOLE_LEFT,                       EL_MOLE_UP,
14887     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14888     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14889     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14890     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14891     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14892     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14893     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14894     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14895     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14896     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14897     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14898     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14899     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14900     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14901     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14902     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14903     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14904     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14905     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14906     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14907     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14908     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14909     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14910     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14911     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14912     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14913     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14914     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14915     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14916
14917     -1
14918   };
14919
14920   return getFlippedTileExt(map, element);
14921 }
14922
14923 static int getFlippedTile(int element, int mode)
14924 {
14925   if (IS_MM_ELEMENT(element))
14926   {
14927     // get MM game element
14928     element = map_element_RND_to_MM(element);
14929
14930     // get flipped game element
14931     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14932                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14933                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14934                element);
14935
14936     // get RND game element again
14937     element = map_element_MM_to_RND(element);
14938   }
14939   else
14940   {
14941     // get flipped game element
14942     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14943                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14944                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14945                element);
14946   }
14947
14948   return element;
14949 }
14950
14951 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14952 {
14953   // flip tiles
14954   short tile1_flipped = getFlippedTile(*tile1, mode);
14955   short tile2_flipped = getFlippedTile(*tile2, mode);
14956
14957   // swap tiles
14958   *tile1 = tile2_flipped;
14959   *tile2 = tile1_flipped;
14960 }
14961
14962 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14963 {
14964   DrawLineElement(sx, sy, element, change_level);
14965 }
14966
14967 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14968                          int button, int mode)
14969 {
14970   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14971   static int brush_width, brush_height;
14972   static int last_cursor_x = -1, last_cursor_y = -1;
14973   static boolean delete_old_brush = FALSE;
14974   int new_element = BUTTON_ELEMENT(button);
14975   int x, y;
14976
14977   if (mode == CB_DUMP_BRUSH ||
14978       mode == CB_DUMP_BRUSH_SMALL ||
14979       mode == CB_BRUSH_TO_CLIPBOARD ||
14980       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14981   {
14982     if (edit_mode != ED_MODE_DRAWING)
14983       return;
14984
14985     char part[MAX_CB_PART_SIZE + 1] = "";
14986     char text[MAX_CB_TEXT_SIZE + 1] = "";
14987     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14988     int height = (draw_with_brush ? brush_height : lev_fieldy);
14989     char *format = "%s%03d";
14990
14991     for (y = 0; y < height; y++)
14992       for (x = 0; x < width; x++)
14993         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14994           format = "%s%04d";
14995
14996     for (y = 0; y < height; y++)
14997     {
14998       for (x = 0; x < width; x++)
14999       {
15000         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
15001         char *prefix = (mode == CB_DUMP_BRUSH ||
15002                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
15003
15004         if (element >= NUM_FILE_ELEMENTS)
15005           element = EL_UNKNOWN;
15006
15007         // copy brush to level sketch text buffer for the R'n'D forum:
15008         // - large tiles: `xxx or `xxxx (0x60 ASCII)
15009         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
15010         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
15011         strcat(text, part);
15012       }
15013
15014       strcat(text, "\n");
15015     }
15016
15017     if (mode == CB_BRUSH_TO_CLIPBOARD ||
15018         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
15019       SDL_SetClipboardText(text);
15020     else
15021       Print("%s", text);        // print brush data to console and log file
15022
15023     return;
15024   }
15025
15026   if (mode == CB_CLIPBOARD_TO_BRUSH)
15027   {
15028     if (edit_mode != ED_MODE_DRAWING)
15029       return;
15030
15031     if (!SDL_HasClipboardText())
15032     {
15033       Request("Clipboard is empty!", REQ_CONFIRM);
15034
15035       return;
15036     }
15037
15038     boolean copy_to_brush = (draw_with_brush ||
15039                              drawing_function == GADGET_ID_GRAB_BRUSH);
15040
15041     // this will delete the old brush, if already drawing with a brush
15042     if (copy_to_brush)
15043       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
15044
15045     // initialization is required for "odd" (incomplete) clipboard content
15046     for (x = 0; x < MAX_LEV_FIELDX; x++)
15047       for (y = 0; y < MAX_LEV_FIELDY; y++)
15048         brush_buffer[x][y] = EL_EMPTY;
15049
15050     brush_width  = 0;
15051     brush_height = 0;
15052     x = 0;
15053     y = 0;
15054
15055     char *clipboard_text = SDL_GetClipboardText();
15056     char *ptr = clipboard_text;
15057     boolean allow_new_row = FALSE;
15058     boolean stop = FALSE;
15059
15060     while (*ptr && !stop)
15061     {
15062       boolean prefix_found = FALSE;
15063       boolean start_new_row = FALSE;
15064
15065       // level sketch element number prefixes (may be multi-byte characters)
15066       char *prefix_list[] = { "`", "¸" };
15067       int i;
15068
15069       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
15070       {
15071         char *prefix = prefix_list[i];
15072
15073         // check if string is large enough for prefix
15074         if (strlen(ptr) < strlen(prefix))
15075         {
15076           stop = TRUE;
15077
15078           break;
15079         }
15080
15081         // check if string starts with prefix
15082         if (strPrefix(ptr, prefix))
15083         {
15084           ptr += strlen(prefix);
15085
15086           prefix_found = TRUE;
15087
15088           break;
15089         }
15090       }
15091
15092       // check if prefix found and followed by (at least) three digits
15093       if (prefix_found &&
15094           strlen(ptr) >= 3 &&
15095           ptr[0] >= '0' && ptr[0] <= '9' &&
15096           ptr[1] >= '0' && ptr[1] <= '9' &&
15097           ptr[2] >= '0' && ptr[2] <= '9')
15098       {
15099         int element = ((ptr[0] - '0') * 100 +
15100                        (ptr[1] - '0') * 10 +
15101                        (ptr[2] - '0'));
15102
15103         ptr += 3;
15104
15105         // level sketch element number might consist of four digits
15106         if (ptr[0] >= '0' && ptr[0] <= '9')
15107         {
15108           element = element * 10 + (ptr[0] - '0');
15109           ptr++;
15110         }
15111
15112         // remap some (historic, now obsolete) elements
15113         element = getMappedElement(element);
15114
15115         if (element >= NUM_FILE_ELEMENTS)
15116           element = EL_UNKNOWN;
15117
15118         brush_buffer[x][y] = element;
15119
15120         brush_width  = MAX(x + 1, brush_width);
15121         brush_height = MAX(y + 1, brush_height);
15122
15123         x++;
15124
15125         if (x >= MAX_LEV_FIELDX)
15126           start_new_row = TRUE;
15127
15128         allow_new_row = TRUE;
15129       }
15130       else
15131       {
15132         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
15133           start_new_row = TRUE;
15134
15135         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
15136       }
15137
15138       if (start_new_row)
15139       {
15140         x = 0;
15141         y++;
15142
15143         if (y >= MAX_LEV_FIELDY)
15144           stop = TRUE;
15145
15146         allow_new_row = FALSE;
15147       }
15148     }
15149
15150     SDL_free(clipboard_text);
15151
15152     if (brush_width == 0 || brush_height == 0)
15153     {
15154       Request("No level sketch found in clipboard!", REQ_CONFIRM);
15155
15156       return;
15157     }
15158
15159     if (copy_to_brush)
15160     {
15161       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
15162       int mx, my;
15163
15164       SDL_GetMouseState(&mx, &my);
15165
15166       // if inside drawing area, activate and draw brush at last mouse position
15167       if (mx >= gi->x && mx < gi->x + gi->width &&
15168           my >= gi->y && my < gi->y + gi->height)
15169         CopyBrushToCursor(last_cursor_x, last_cursor_y);
15170
15171       draw_with_brush = TRUE;
15172     }
15173     else
15174     {
15175       char request[100];
15176
15177       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
15178               brush_width, brush_height);
15179
15180       if (!Request(request, REQ_ASK))
15181         return;
15182
15183       for (x = 0; x < MAX_LEV_FIELDX; x++)
15184         for (y = 0; y < MAX_LEV_FIELDY; y++)
15185           Tile[x][y] = brush_buffer[x][y];
15186
15187       lev_fieldx = level.fieldx = brush_width;
15188       lev_fieldy = level.fieldy = brush_height;
15189
15190       boolean use_bd_engine = TRUE;
15191       boolean use_em_engine = TRUE;
15192       boolean use_sp_engine = TRUE;
15193       boolean use_mm_engine = TRUE;
15194
15195       for (x = 0; x < MAX_LEV_FIELDX; x++)
15196       {
15197         for (y = 0; y < MAX_LEV_FIELDY; y++)
15198         {
15199           int element = Tile[x][y];
15200
15201           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
15202             use_bd_engine = FALSE;
15203
15204           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
15205             use_em_engine = FALSE;
15206
15207           if (!IS_SP_ELEMENT(element))
15208             use_sp_engine = FALSE;
15209
15210           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
15211             use_mm_engine = FALSE;
15212         }
15213       }
15214
15215       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
15216                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
15217                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
15218                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
15219                                 GAME_ENGINE_TYPE_RND);
15220
15221       // update element selection list
15222       ReinitializeElementList();
15223       ModifyEditorElementList();
15224
15225       SetBorderElement();
15226
15227       DrawEditModeWindow();
15228       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15229     }
15230
15231     return;
15232   }
15233
15234   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
15235     return;
15236
15237   if (mode == CB_AREA_TO_BRUSH)
15238   {
15239     int from_lx, from_ly;
15240
15241     if (from_x > to_x)
15242       swap_numbers(&from_x, &to_x);
15243
15244     if (from_y > to_y)
15245       swap_numbers(&from_y, &to_y);
15246
15247     brush_width = to_x - from_x + 1;
15248     brush_height = to_y - from_y + 1;
15249
15250     from_lx = from_x + level_xpos;
15251     from_ly = from_y + level_ypos;
15252
15253     for (y = 0; y < brush_height; y++)
15254     {
15255       for (x = 0; x < brush_width; x++)
15256       {
15257         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
15258
15259         if (button != 1)
15260           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
15261       }
15262     }
15263
15264     if (button != 1)
15265       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15266
15267     delete_old_brush = FALSE;
15268   }
15269   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
15270            mode == CB_BRUSH_TO_LEVEL)
15271   {
15272     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
15273     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
15274     int cursor_from_x = cursor_x - brush_width / 2;
15275     int cursor_from_y = cursor_y - brush_height / 2;
15276     int border_from_x = cursor_x, border_from_y = cursor_y;
15277     int border_to_x = cursor_x, border_to_y = cursor_y;
15278
15279     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
15280       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15281
15282     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
15283         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
15284     {
15285       delete_old_brush = FALSE;
15286
15287       return;
15288     }
15289
15290     for (y = 0; y < brush_height; y++)
15291     {
15292       for (x = 0; x < brush_width; x++)
15293       {
15294         int sx = cursor_from_x + x;
15295         int sy = cursor_from_y + y;
15296         int lx = sx + level_xpos;
15297         int ly = sy + level_ypos;
15298         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
15299         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
15300                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
15301                        brush_buffer[x][y] : new_element);
15302
15303         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15304         {
15305           if (sx < border_from_x)
15306             border_from_x = sx;
15307           else if (sx > border_to_x)
15308             border_to_x = sx;
15309           if (sy < border_from_y)
15310             border_from_y = sy;
15311           else if (sy > border_to_y)
15312             border_to_y = sy;
15313
15314           DrawBrushElement(sx, sy, element, change_level);
15315         }
15316       }
15317     }
15318
15319     if (mode != CB_DELETE_OLD_CURSOR)
15320       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
15321
15322     last_cursor_x = cursor_x;
15323     last_cursor_y = cursor_y;
15324
15325     delete_old_brush = TRUE;
15326   }
15327   else if (mode == CB_FLIP_BRUSH_X)
15328   {
15329     for (y = 0; y < brush_height; y++)
15330       for (x = 0; x < (brush_width + 1) / 2; x++)
15331         SwapFlippedTiles(&brush_buffer[x][y],
15332                          &brush_buffer[brush_width - x - 1][y], mode);
15333
15334     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15335   }
15336   else if (mode == CB_FLIP_BRUSH_Y)
15337   {
15338     for (y = 0; y < (brush_height + 1) / 2; y++)
15339       for (x = 0; x < brush_width; x++)
15340         SwapFlippedTiles(&brush_buffer[x][y],
15341                          &brush_buffer[x][brush_height - y - 1], mode);
15342
15343     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15344   }
15345   else if (mode == CB_FLIP_BRUSH_XY)
15346   {
15347     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15348
15349     for (y = 0; y < MAX(brush_width, brush_height); y++)
15350       for (x = 0; x <= y; x++)
15351         SwapFlippedTiles(&brush_buffer[x][y],
15352                          &brush_buffer[y][x], mode);
15353
15354     swap_numbers(&brush_width, &brush_height);
15355
15356     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15357   }
15358
15359   if (mode == CB_UPDATE_BRUSH_POSITION)
15360   {
15361     last_cursor_x = from_x;
15362     last_cursor_y = from_y;
15363   }
15364 }
15365
15366 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
15367                             int button)
15368 {
15369   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
15370 }
15371
15372 static void CopyBrushToLevel(int x, int y, int button)
15373 {
15374   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
15375 }
15376
15377 static void CopyBrushToCursor(int x, int y)
15378 {
15379   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15380 }
15381
15382 static void UpdateBrushPosition(int x, int y)
15383 {
15384   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
15385 }
15386
15387 static void DeleteBrushFromCursor(void)
15388 {
15389   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15390 }
15391
15392 static void FlipBrushX(void)
15393 {
15394   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15395 }
15396
15397 static void FlipBrushY(void)
15398 {
15399   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
15400 }
15401
15402 static void RotateBrush(void)
15403 {
15404   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
15405   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15406 }
15407
15408 void DumpBrush(void)
15409 {
15410   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
15411 }
15412
15413 void DumpBrush_Small(void)
15414 {
15415   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
15416 }
15417
15418 void CopyClipboardToBrush(void)
15419 {
15420   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
15421 }
15422
15423 void CopyBrushToClipboard(void)
15424 {
15425   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
15426 }
15427
15428 void CopyBrushToClipboard_Small(void)
15429 {
15430   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
15431 }
15432
15433 void UndoLevelEditorOperation(void)
15434 {
15435   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
15436 }
15437
15438 void RedoLevelEditorOperation(void)
15439 {
15440   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15441 }
15442
15443 static void FloodFill(int from_x, int from_y, int fill_element)
15444 {
15445   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
15446 }
15447
15448 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
15449 {
15450   int from_x = from_sx2 + 2 * level_xpos;
15451   int from_y = from_sy2 + 2 * level_ypos;
15452   int max_fillx = lev_fieldx * 2;
15453   int max_filly = lev_fieldy * 2;
15454   short Fill[max_fillx][max_filly];
15455   int x, y;
15456
15457   for (x = 0; x < max_fillx; x++)
15458     for (y = 0; y < max_filly; y++)
15459       Fill[x][y] = getLevelElementHiRes(x, y);
15460
15461   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
15462                     Fill, max_fillx, max_filly);
15463
15464   for (x = 0; x < max_fillx; x++)
15465     for (y = 0; y < max_filly; y++)
15466       if (Fill[x][y] == fill_element)
15467         SetLevelElementHiRes(x, y, Fill[x][y]);
15468 }
15469
15470 // values for DrawLevelText() modes
15471 #define TEXT_INIT               0
15472 #define TEXT_SETCURSOR          1
15473 #define TEXT_WRITECHAR          2
15474 #define TEXT_BACKSPACE          3
15475 #define TEXT_NEWLINE            4
15476 #define TEXT_END                5
15477 #define TEXT_QUERY_TYPING       6
15478
15479 static int DrawLevelText(int sx, int sy, char letter, int mode)
15480 {
15481   static short delete_buffer[MAX_LEV_FIELDX];
15482   static int start_sx;
15483   static int last_sx, last_sy;
15484   static boolean typing = FALSE;
15485   int letter_element;
15486   int lx = 0, ly = 0;
15487
15488   // map lower case letters to upper case and convert special characters
15489   if (letter >= 'a' && letter <= 'z')
15490     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
15491   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
15492     letter_element = EL_CHAR_AUMLAUT;
15493   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
15494     letter_element = EL_CHAR_OUMLAUT;
15495   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
15496     letter_element = EL_CHAR_UUMLAUT;
15497   else if (letter == '^')
15498     letter_element = EL_CHAR_COPYRIGHT;
15499   else
15500     letter_element = EL_CHAR_ASCII0 + letter;
15501
15502   if (mode != TEXT_INIT)
15503   {
15504     if (!typing)
15505       return FALSE;
15506
15507     if (mode != TEXT_SETCURSOR)
15508     {
15509       sx = last_sx;
15510       sy = last_sy;
15511     }
15512
15513     lx = last_sx + level_xpos;
15514     ly = last_sy + level_ypos;
15515   }
15516
15517   switch (mode)
15518   {
15519     case TEXT_INIT:
15520       if (typing)
15521         DrawLevelText(0, 0, 0, TEXT_END);
15522
15523       typing = TRUE;
15524       start_sx = sx;
15525       last_sx = sx;
15526       last_sy = sy;
15527       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
15528       break;
15529
15530     case TEXT_SETCURSOR:
15531       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
15532       DrawAreaBorder(sx, sy, sx, sy);
15533       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
15534                      ed_tilesize, ed_tilesize);
15535       last_sx = sx;
15536       last_sy = sy;
15537       break;
15538
15539     case TEXT_WRITECHAR:
15540       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
15541       {
15542         if (new_element1 >= EL_STEEL_CHAR_START &&
15543             new_element1 <= EL_STEEL_CHAR_END)
15544           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
15545
15546         delete_buffer[sx - start_sx] = Tile[lx][ly];
15547         Tile[lx][ly] = letter_element;
15548
15549         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
15550           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
15551         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15552           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15553         else
15554           DrawLevelText(0, 0, 0, TEXT_END);
15555
15556         level.changed = TRUE;
15557       }
15558       break;
15559
15560     case TEXT_BACKSPACE:
15561       if (sx > start_sx)
15562       {
15563         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
15564         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
15565         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
15566       }
15567       break;
15568
15569     case TEXT_NEWLINE:
15570       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15571         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15572       else
15573         DrawLevelText(0, 0, 0, TEXT_END);
15574       break;
15575
15576     case TEXT_END:
15577       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15578       DrawEditorElement(sx, sy, Tile[lx][ly]);
15579       StopTextInput();
15580       typing = FALSE;
15581       break;
15582
15583     case TEXT_QUERY_TYPING:
15584       break;
15585
15586     default:
15587       break;
15588   }
15589
15590   return typing;
15591 }
15592
15593 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15594                           int element, boolean change_level)
15595 {
15596   int lx = sx + level_xpos;
15597   int ly = sy + level_ypos;
15598
15599   if (element == -1)
15600     DrawEditorElement(sx, sy, Tile[lx][ly]);
15601   else
15602     DrawAreaBorder(sx, sy, sx, sy);
15603 }
15604
15605 static void CheckLevelBorderElement(boolean redraw_playfield)
15606 {
15607   int last_border_element = BorderElement;
15608
15609   SetBorderElement();
15610
15611   if (redraw_playfield && BorderElement != last_border_element)
15612     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15613 }
15614
15615 static void CopyLevelToUndoBuffer(int mode)
15616 {
15617   static boolean accumulated_undo = FALSE;
15618   boolean new_undo_buffer_position = TRUE;
15619   int x, y;
15620
15621   if (undo_buffer_steps == 0)
15622     accumulated_undo = FALSE;
15623
15624   switch (mode)
15625   {
15626     case UNDO_IMMEDIATE:
15627       accumulated_undo = FALSE;
15628       break;
15629
15630     case UNDO_ACCUMULATE:
15631       if (accumulated_undo)
15632         new_undo_buffer_position = FALSE;
15633       accumulated_undo = TRUE;
15634       break;
15635
15636     default:
15637       break;
15638   }
15639
15640   if (new_undo_buffer_position)
15641   {
15642     // advance position in undo buffer ring
15643     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15644
15645     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15646       undo_buffer_steps++;
15647   }
15648
15649   // always reset redo buffer when storing level change into undo buffer
15650   redo_buffer_steps = 0;
15651
15652   for (x = 0; x < lev_fieldx; x++)
15653     for (y = 0; y < lev_fieldy; y++)
15654       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15655
15656   // check if drawing operation forces change of border style
15657   CheckLevelBorderElement(TRUE);
15658
15659   level.changed = TRUE;
15660 }
15661
15662 static void RandomPlacement(int new_element)
15663 {
15664   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15665   int num_free_positions = 0;
15666   int num_percentage, num_elements;
15667   int x, y;
15668
15669   ResetIntelliDraw();
15670
15671   // determine number of free positions for randomly placing the new element
15672   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15673   {
15674     free_position[x][y] =
15675       (random_placement_background_restricted ?
15676        Tile[x][y] == random_placement_background_element :
15677        Tile[x][y] != new_element);
15678
15679     if (free_position[x][y])
15680       num_free_positions++;
15681   }
15682
15683   // determine number of new elements to place there
15684   num_percentage = num_free_positions * random_placement_value / 100;
15685   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15686                   num_percentage : random_placement_value);
15687
15688   // if less free positions than elements to place, fill all these positions
15689   if (num_free_positions < num_elements)
15690   {
15691     for (x = 0; x < lev_fieldx; x++)
15692       for (y = 0; y < lev_fieldy; y++)
15693         if (free_position[x][y])
15694           SetElement(x, y, new_element);
15695   }
15696   else
15697   {
15698     while (num_elements > 0)
15699     {
15700       x = GetSimpleRandom(lev_fieldx);
15701       y = GetSimpleRandom(lev_fieldy);
15702
15703       // don't place element at the same position twice
15704       if (free_position[x][y])
15705       {
15706         free_position[x][y] = FALSE;
15707         SetElement(x, y, new_element);
15708         num_elements--;
15709       }
15710     }
15711   }
15712
15713   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15714   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15715 }
15716
15717 static void WrapLevel(int dx, int dy)
15718 {
15719   int wrap_dx = lev_fieldx - dx;
15720   int wrap_dy = lev_fieldy - dy;
15721   int x, y;
15722
15723   for (x = 0; x < lev_fieldx; x++)
15724     for (y = 0; y < lev_fieldy; y++)
15725       TileBackup[x][y] = Tile[x][y];
15726
15727   for (x = 0; x < lev_fieldx; x++)
15728     for (y = 0; y < lev_fieldy; y++)
15729       Tile[x][y] =
15730         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15731
15732   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15733   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15734 }
15735
15736 static void DrawAreaElementHighlight(boolean highlighted,
15737                                      boolean highlighted_similar)
15738 {
15739   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15740
15741   if (!highlighted)
15742     return;
15743
15744   int x, y;
15745
15746   for (x = 0; x < ed_fieldx; x++)
15747   {
15748     for (y = 0; y < ed_fieldy; y++)
15749     {
15750       boolean highlight = FALSE;
15751       int lx = x + level_xpos;
15752       int ly = y + level_ypos;
15753
15754       if (!IN_LEV_FIELD(lx, ly))
15755         continue;
15756
15757       // check if element is the same
15758       if (Tile[lx][ly] == new_element1)
15759         highlight = TRUE;
15760
15761       // check if element is similar
15762       if (highlighted_similar &&
15763           strEqual(element_info[Tile[lx][ly]].class_name,
15764                    element_info[new_element1].class_name))
15765         highlight = TRUE;
15766
15767       // check if element is matching MM style wall
15768       if (IS_MM_WALL(Tile[lx][ly]) &&
15769           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15770         highlight = TRUE;
15771
15772       if (!highlight)
15773         continue;
15774
15775       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15776       {
15777         int i;
15778
15779         for (i = 0; i < 4; i++)
15780         {
15781           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15782             continue;
15783
15784           int xx = x * 2 + (i % 2);
15785           int yy = y * 2 + (i / 2);
15786           int sx = SX + xx * ed_tilesize / 2;
15787           int sy = SY + yy * ed_tilesize / 2;
15788           int from_sx = sx;
15789           int from_sy = sy;
15790           int to_sx = sx + ed_tilesize / 2 - 1;
15791           int to_sy = sy + ed_tilesize / 2 - 1;
15792
15793           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15794           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15795           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15796           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15797         }
15798       }
15799       else
15800       {
15801         int sx = SX + x * ed_tilesize;
15802         int sy = SY + y * ed_tilesize;
15803         int from_sx = sx;
15804         int from_sy = sy;
15805         int to_sx = sx + ed_tilesize - 1;
15806         int to_sy = sy + ed_tilesize - 1;
15807
15808         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15809         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15810         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15811         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15812       }
15813     }
15814   }
15815 }
15816
15817 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15818 {
15819   char *template_filename_old = getLocalLevelTemplateFilename();
15820   char *template_filename_new =
15821     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15822
15823   if (copyFile(template_filename_old, template_filename_new) != 0)
15824     Request("Cannot copy level template!", REQ_CONFIRM);
15825
15826   free(template_filename_new);
15827 }
15828
15829 static void HandleDrawingAreas(struct GadgetInfo *gi)
15830 {
15831   static boolean started_inside_drawing_area = FALSE;
15832   static int last_sx = -1;
15833   static int last_sy = -1;
15834   static int last_sx2 = -1;
15835   static int last_sy2 = -1;
15836   int id = gi->custom_id;
15837   int type_id = gi->custom_type_id;
15838   boolean button_press_event;
15839   boolean button_release_event;
15840   boolean inside_drawing_area = !gi->event.off_borders;
15841   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15842   int actual_drawing_function;
15843   int button = gi->event.button;
15844   int new_element = BUTTON_ELEMENT(button);
15845   int sx = gi->event.x, sy = gi->event.y;
15846   int min_sx = 0, min_sy = 0;
15847   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15848   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15849   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15850   int sx2 = gi->event.mx / mini_item_xsize;
15851   int sy2 = gi->event.my / mini_item_ysize;
15852   int dx = sx2 % 2;
15853   int dy = sy2 % 2;
15854   int lx = 0, ly = 0;
15855   int x, y;
15856
15857   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15858   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15859
15860   // make sure to stay inside drawing area boundaries
15861   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15862   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15863
15864   if (draw_level)
15865   {
15866     int min_lx = 0, min_ly = 0;
15867     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15868
15869     // get positions inside level field
15870     lx = sx + level_xpos;
15871     ly = sy + level_ypos;
15872
15873     if (!IN_LEV_FIELD(lx, ly))
15874       inside_drawing_area = FALSE;
15875
15876     // make sure to stay inside level field boundaries
15877     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15878     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15879
15880     // correct drawing area positions accordingly
15881     sx = lx - level_xpos;
15882     sy = ly - level_ypos;
15883   }
15884
15885   // also correct MM wall-sized (double) drawing area positions accordingly
15886   if (sx2 / 2 < sx || sx2 / 2 > sx)
15887   {
15888     dx = (sx2 / 2 < sx ? 0 : 1);
15889     sx2 = sx * 2 + dx;
15890   }
15891   if (sy2 / 2 < sy || sy2 / 2 > sy)
15892   {
15893     dy = (sy2 / 2 < sy ? 0 : 1);
15894     sy2 = sy * 2 + dy;
15895   }
15896
15897   if (!button_press_event && !button_release_event)
15898   {
15899     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15900     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15901                              isHiresTileElement(old_element) &&
15902                              isHiresDrawElement(new_element));
15903
15904     // prevent handling events for every pixel position when moving mouse
15905     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15906         (sx2 == last_sx2 && sy2 == last_sy2))
15907       return;
15908   }
15909
15910   last_sx = sx;
15911   last_sy = sy;
15912   last_sx2 = sx2;
15913   last_sy2 = sy2;
15914
15915   if (button_press_event)
15916     started_inside_drawing_area = inside_drawing_area;
15917
15918   if (!started_inside_drawing_area)
15919     return;
15920
15921   if (!IS_VALID_BUTTON(button))
15922     return;
15923
15924   // handle info callback for each invocation of action callback
15925   gi->callback_info(gi);
15926
15927   // automatically switch to 'single item' drawing mode, if needed
15928   actual_drawing_function =
15929     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15930      drawing_function : GADGET_ID_SINGLE_ITEMS);
15931
15932   // clicking into drawing area with pressed Control key picks element
15933   if (GetKeyModState() & KMOD_Control)
15934   {
15935     last_drawing_function = drawing_function;
15936     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15937   }
15938
15939   if (GetKeyModState() & KMOD_Shift)
15940   {
15941     if (button_press_event || button_release_event)
15942       ResetIntelliDraw();
15943   }
15944
15945   SetDrawModeHiRes(-1);         // reset to normal draw mode
15946
15947   switch (actual_drawing_function)
15948   {
15949     case GADGET_ID_SINGLE_ITEMS:
15950       if (draw_level)
15951       {
15952         if (button_release_event)
15953         {
15954           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15955
15956           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15957               !inside_drawing_area)
15958             DeleteBrushFromCursor();
15959
15960           break;
15961         }
15962
15963         if (draw_with_brush)
15964         {
15965           CopyBrushToLevel(sx, sy, button);
15966         }
15967         else
15968         {
15969           SetDrawModeHiRes(new_element);
15970
15971           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15972           {
15973             // remove player at old position
15974             for (y = 0; y < lev_fieldy; y++)
15975             {
15976               for (x = 0; x < lev_fieldx; x++)
15977               {
15978                 int old_element = Tile[x][y];
15979
15980                 if (IS_PLAYER_ELEMENT(old_element) &&
15981                     IS_PLAYER_ELEMENT(new_element))
15982                 {
15983                   int replaced_with_element =
15984                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15985                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15986
15987                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15988                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15989
15990                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15991                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15992
15993                      new_element >= EL_PLAYER_1 &&
15994                      new_element <= EL_PLAYER_4 &&
15995                      new_element == old_element ? EL_EMPTY :
15996
15997                      old_element);
15998
15999                   SetElement(x, y, replaced_with_element);
16000                 }
16001                 else if (IS_MM_MCDUFFIN(old_element) &&
16002                          IS_MM_MCDUFFIN(new_element))
16003                 {
16004                   // remove McDuffin at old position
16005                   SetElement(x, y, EL_EMPTY);
16006                 }
16007               }
16008             }
16009           }
16010
16011           SetElementButton(lx, ly, dx, dy, new_element, button);
16012         }
16013       }
16014       else if (!button_release_event)
16015       {
16016         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16017
16018         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
16019           DrawMiniGraphicExt(drawto,
16020                              gi->x + sx * MINI_TILEX,
16021                              gi->y + sy * MINI_TILEY,
16022                              el2edimg(new_element));
16023         else
16024           DrawFixedGraphicExt(drawto,
16025                               gi->x + sx * TILEX,
16026                               gi->y + sy * TILEY,
16027                               el2edimg(new_element), 0);
16028
16029         if (id == GADGET_ID_CUSTOM_GRAPHIC)
16030           new_element = GFX_ELEMENT(new_element);
16031
16032         drawingarea_info[type_id].value[pos] = new_element;
16033
16034         CopyElementPropertiesToGame(properties_element);
16035
16036         if (id == GADGET_ID_CUSTOM_GRAPHIC)
16037         {
16038           UpdateCustomElementGraphicGadgets();
16039
16040           FrameCounter = 0;     // restart animation frame counter
16041         }
16042       }
16043       break;
16044
16045     case GADGET_ID_CONNECTED_ITEMS:
16046       {
16047         static int last_sx = -1;
16048         static int last_sy = -1;
16049
16050         if (button_release_event)
16051           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16052
16053         SetDrawModeHiRes(new_element);
16054
16055         if (getDrawModeHiRes())
16056         {
16057           sx = sx2;
16058           sy = sy2;
16059         }
16060
16061         if (!button_press_event)
16062           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
16063
16064         last_sx = sx;
16065         last_sy = sy;
16066       }
16067       break;
16068
16069     case GADGET_ID_LINE:
16070     case GADGET_ID_ARC:
16071     case GADGET_ID_RECTANGLE:
16072     case GADGET_ID_FILLED_BOX:
16073       SetDrawModeHiRes(new_element);
16074
16075       if (getDrawModeHiRes())
16076       {
16077         sx = sx2;
16078         sy = sy2;
16079       }
16080       // FALLTHROUGH
16081     case GADGET_ID_GRAB_BRUSH:
16082     case GADGET_ID_TEXT:
16083       {
16084         static int last_sx = -1;
16085         static int last_sy = -1;
16086         static int start_sx = -1;
16087         static int start_sy = -1;
16088         void (*draw_func)(int, int, int, int, int, boolean);
16089
16090         if (drawing_function == GADGET_ID_LINE)
16091           draw_func = DrawLine;
16092         else if (drawing_function == GADGET_ID_ARC)
16093           draw_func = DrawArc;
16094         else if (drawing_function == GADGET_ID_RECTANGLE)
16095           draw_func = DrawBox;
16096         else if (drawing_function == GADGET_ID_FILLED_BOX)
16097           draw_func = DrawFilledBox;
16098         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
16099           draw_func = SelectArea;
16100         else // (drawing_function == GADGET_ID_TEXT)
16101           draw_func = SetTextCursor;
16102
16103         if (button_press_event)
16104         {
16105           draw_func(sx, sy, sx, sy, new_element, FALSE);
16106           start_sx = last_sx = sx;
16107           start_sy = last_sy = sy;
16108
16109           if (drawing_function == GADGET_ID_TEXT)
16110             DrawLevelText(0, 0, 0, TEXT_END);
16111         }
16112         else if (button_release_event)
16113         {
16114           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
16115           if (drawing_function == GADGET_ID_GRAB_BRUSH)
16116           {
16117             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
16118             CopyBrushToCursor(sx, sy);
16119             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16120                           MB_LEFTBUTTON);
16121             draw_with_brush = TRUE;
16122           }
16123           else if (drawing_function == GADGET_ID_TEXT)
16124             DrawLevelText(sx, sy, 0, TEXT_INIT);
16125           else
16126             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16127         }
16128         else if (last_sx != sx || last_sy != sy)
16129         {
16130           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
16131           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
16132             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
16133           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
16134           last_sx = sx;
16135           last_sy = sy;
16136         }
16137       }
16138       break;
16139
16140     case GADGET_ID_FLOOD_FILL:
16141       if (button_press_event && Tile[lx][ly] != new_element)
16142       {
16143         if (IS_MM_WALL_EDITOR(new_element))
16144           FloodFillWall_MM(sx2, sy2, new_element);
16145         else
16146           FloodFill(lx, ly, new_element);
16147
16148         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16149         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16150       }
16151       break;
16152
16153     case GADGET_ID_PICK_ELEMENT:
16154       if (button_release_event)
16155         ClickOnGadget(level_editor_gadget[last_drawing_function],
16156                       MB_LEFTBUTTON);
16157       else if (draw_level)
16158         PickDrawingElement(button, Tile[lx][ly]);
16159       else
16160       {
16161         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16162
16163         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
16164       }
16165
16166     default:
16167       break;
16168   }
16169
16170   // do not mark level as modified for certain non-level-changing gadgets
16171   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
16172        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
16173       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
16174       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16175     return;
16176
16177   level.changed = TRUE;
16178 }
16179
16180 static void HandleCounterButtons(struct GadgetInfo *gi)
16181 {
16182   int gadget_id = gi->custom_id;
16183   int counter_id = gi->custom_type_id;
16184   int button = gi->event.button;
16185   int *counter_value = counterbutton_info[counter_id].value;
16186   int step = BUTTON_STEPSIZE(button) *
16187     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
16188
16189   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
16190   {
16191     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
16192     boolean released = (gi->event.type == GD_EVENT_RELEASED);
16193     boolean level_changed = LevelChanged();
16194
16195     if ((level_changed && pressed) || (!level_changed && released))
16196       return;
16197
16198     if (level_changed && !Request("Level has changed! Discard changes?",
16199                                   REQ_ASK))
16200     {
16201       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
16202         ModifyEditorCounterValue(counter_id, *counter_value);
16203
16204       return;
16205     }
16206   }
16207
16208   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
16209     *counter_value = gi->textinput.number_value;
16210   else
16211     ModifyEditorCounterValue(counter_id, *counter_value + step);
16212
16213   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
16214   {
16215     int last_game_engine_type = level.game_engine_type;
16216
16217     LoadLevel(level_nr);
16218     LoadScore(level_nr);
16219
16220     SaveLevelSetup_SeriesInfo();
16221
16222     TapeErase();
16223
16224     ResetUndoBuffer();
16225     DrawEditModeWindow();
16226
16227     if (level.game_engine_type != last_game_engine_type)
16228     {
16229       // update element selection list
16230       ReinitializeElementList();
16231       ModifyEditorElementList();
16232     }
16233
16234     return;
16235   }
16236
16237   switch (counter_id)
16238   {
16239     case ED_COUNTER_ID_YAMYAM_CONTENT:
16240       DrawYamYamContentAreas();
16241       break;
16242
16243     case ED_COUNTER_ID_BALL_CONTENT:
16244       DrawMagicBallContentAreas();
16245       break;
16246
16247     case ED_COUNTER_ID_ANDROID_CONTENT:
16248       DrawAndroidElementArea();
16249       break;
16250
16251     case ED_COUNTER_ID_GROUP_CONTENT:
16252       DrawGroupElementArea();
16253       CopyGroupElementPropertiesToGame(properties_element);
16254       break;
16255
16256     case ED_COUNTER_ID_INVENTORY_SIZE:
16257       DrawPlayerInitialInventoryArea(properties_element);
16258       break;
16259
16260     case ED_COUNTER_ID_MM_BALL_CONTENT:
16261       DrawMMBallContentArea();
16262       break;
16263
16264     case ED_COUNTER_ID_ENVELOPE_XSIZE:
16265     case ED_COUNTER_ID_ENVELOPE_YSIZE:
16266       DrawEnvelopeTextArea(-1);
16267       break;
16268
16269     case ED_COUNTER_ID_LEVEL_XSIZE:
16270     case ED_COUNTER_ID_LEVEL_YSIZE:
16271       lev_fieldx = level.fieldx;
16272       lev_fieldy = level.fieldy;
16273
16274       // check if resizing of level results in change of border border
16275       SetBorderElement();
16276
16277       break;
16278
16279     default:
16280       break;
16281   }
16282
16283   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
16284        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
16285       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
16286        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
16287     CopyElementPropertiesToGame(properties_element);
16288
16289   // do not mark level as modified for certain non-level-changing gadgets
16290   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
16291        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
16292       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
16293        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
16294     return;
16295
16296   level.changed = TRUE;
16297 }
16298
16299 static void HandleTextInputGadgets(struct GadgetInfo *gi)
16300 {
16301   int type_id = gi->custom_type_id;
16302
16303   strcpy(textinput_info[type_id].value, gi->textinput.value);
16304
16305   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
16306   {
16307     CopyElementPropertiesToGame(properties_element);
16308
16309     ModifyEditorElementList();  // update changed button info text
16310   }
16311   else if (type_id >= ED_TEXTINPUT_ID_COLORS_FIRST &&
16312            type_id <= ED_TEXTINPUT_ID_COLORS_LAST)
16313   {
16314     int pos = type_id - ED_TEXTINPUT_ID_COLORS_FIRST;
16315
16316     *bd_color[pos] = gd_color_get_from_string(bd_color_text[pos]);
16317
16318     DrawColorBox_BD(pos);
16319   }
16320
16321   // do not mark level as modified for certain non-level-changing gadgets
16322   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
16323       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
16324     return;
16325
16326   level.changed = TRUE;
16327 }
16328
16329 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
16330 {
16331   int type_id = gi->custom_type_id;
16332
16333   strncpy(textarea_info[type_id].value, gi->textarea.value,
16334           MAX_ENVELOPE_TEXT_LEN);
16335   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
16336
16337   level.changed = TRUE;
16338 }
16339
16340 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
16341 {
16342   int type_id = gi->custom_type_id;
16343   int value_old = *selectbox_info[type_id].value;
16344   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
16345
16346   *selectbox_info[type_id].value = value_new;
16347
16348   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
16349   {
16350     DrawLevelConfigWindow();
16351   }
16352   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16353   {
16354     element_info[properties_element].current_change_page = gi->selectbox.index;
16355
16356     DrawPropertiesWindow();
16357   }
16358   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
16359             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
16360            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
16361             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
16362            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
16363   {
16364     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
16365     {
16366       // when changing action type, also check action mode and action arg
16367       if (value_old != value_new)
16368         setSelectboxSpecialActionVariablesIfNeeded();
16369
16370       DrawPropertiesChange();
16371     }
16372
16373     CopyElementPropertiesToGame(properties_element);
16374   }
16375   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
16376   {
16377     // show or hide "engine" tabulator depending on game engine type
16378     DrawLevelConfigWindow();
16379
16380     // update element selection list depending on game engine type
16381     ReinitializeElementList();
16382     ModifyEditorElementList();
16383   }
16384   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
16385   {
16386     // update BD cycle delay counter gadgets depending on BD scheduling type
16387     DrawLevelConfigWindow();
16388   }
16389   else if (type_id == ED_SELECTBOX_ID_BD_COLOR_TYPE)
16390   {
16391     bd_color_type_changed = TRUE;
16392
16393     if (level.bd_color_type != GD_COLOR_TYPE_RGB && level.bd_color_type != GetCommonColorType_BD())
16394     {
16395       // color type switched to non-RGB colors, but using different color type => reset colors
16396       char *message = (level.bd_color_type == bd_color_type_default ?
16397                        "This will reset colors to defaults! Continue?" :
16398                        "This will reset colors to random colors! Continue?");
16399
16400       if (!Request(message, REQ_ASK))
16401       {
16402         // keep current RGB colors
16403         level.bd_color_type = GD_COLOR_TYPE_RGB;
16404         bd_color_type_changed = FALSE;
16405       }
16406     }
16407
16408     // update BD color palette gadgets depending on BD color type
16409     DrawLevelConfigWindow();
16410   }
16411   else if (type_id >= ED_SELECTBOX_ID_COLORS_FIRST &&
16412            type_id <= ED_SELECTBOX_ID_COLORS_LAST)
16413   {
16414     int pos = type_id - ED_SELECTBOX_ID_COLORS_FIRST;
16415
16416     *bd_color[pos] = gd_c64_color(bd_color_c64[pos]);
16417
16418     DrawColorBox_BD(pos);
16419   }
16420
16421   // do not mark level as modified for certain non-level-changing gadgets
16422   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
16423       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16424     return;
16425
16426   level.changed = TRUE;
16427 }
16428
16429 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
16430 {
16431   int type_id = gi->custom_type_id;
16432   int i;
16433
16434   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
16435       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
16436   {
16437     edit_mode_levelconfig = gi->custom_type_id;
16438
16439     DrawLevelConfigWindow();
16440   }
16441   else if (type_id >= ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST &&
16442            type_id <= ED_TAB_BUTTON_ID_ENGINECONFIG_LAST)
16443   {
16444     edit_mode_engineconfig = gi->custom_type_id;
16445
16446     DrawLevelConfigWindow();
16447   }
16448   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
16449            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
16450   {
16451     edit_mode_properties = gi->custom_type_id;
16452
16453     DrawPropertiesWindow();
16454   }
16455   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
16456            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
16457   {
16458     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
16459
16460     // backup original "level.field" (needed to track playfield changes)
16461     CopyPlayfield(level.field, TileBackup);
16462
16463     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
16464     CopyPlayfield(Tile, level.field);
16465
16466     if (new_template ||
16467         Request("Save this template and kill the old?", REQ_ASK))
16468       SaveLevelTemplate();
16469
16470     if (new_template)
16471       Request("Template saved!", REQ_CONFIRM);
16472
16473     // restore original "level.field" (needed to track playfield changes)
16474     CopyPlayfield(TileBackup, level.field);
16475   }
16476   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
16477   {
16478     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
16479
16480     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
16481         leveldir_current->readonly)
16482     {
16483       Request("This level set is read-only!", REQ_CONFIRM);
16484
16485       return;
16486     }
16487
16488     if (strEqual(levelset_name, ""))
16489     {
16490       Request("Please enter level set title!", REQ_CONFIRM);
16491
16492       return;
16493     }
16494
16495     if (strEqual(levelset_author, ""))
16496     {
16497       Request("Please enter level set author!", REQ_CONFIRM);
16498
16499       return;
16500     }
16501
16502     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
16503     {
16504       if (UpdateUserLevelSet(levelset_subdir,
16505                              levelset_name,
16506                              levelset_author,
16507                              levelset_num_levels))
16508       {
16509         Request("Level set updated!", REQ_CONFIRM);
16510       }
16511       else
16512       {
16513         Request("Updating level set failed!", REQ_CONFIRM);
16514       }
16515     }
16516     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
16517     {
16518       if (level.changed && !Request("Level has changed! Discard changes?",
16519                                      REQ_ASK))
16520         return;
16521
16522       if (CreateUserLevelSet(levelset_subdir,
16523                              levelset_name,
16524                              levelset_author,
16525                              levelset_num_levels,
16526                              levelset_use_levelset_artwork))
16527       {
16528         if (levelset_copy_level_template)
16529           CopyLevelTemplateToUserLevelSet(levelset_subdir);
16530
16531         Request("New level set created!", REQ_CONFIRM);
16532
16533         AddUserLevelSetToLevelInfo(levelset_subdir);
16534         ChangeEditorToLevelSet(levelset_subdir);
16535       }
16536       else
16537       {
16538         Request("Creating new level set failed!", REQ_CONFIRM);
16539       }
16540     }
16541   }
16542   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
16543            custom_element.num_change_pages < MAX_CHANGE_PAGES)
16544   {
16545     struct ElementInfo *ei = &element_info[properties_element];
16546
16547     // when modifying custom element, ask for copying level template
16548     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16549       return;
16550
16551     setElementChangePages(ei, ei->num_change_pages + 1);
16552
16553     // set new change page to be new current change page
16554     ei->current_change_page = ei->num_change_pages - 1;
16555     ei->change = &ei->change_page[ei->current_change_page];
16556
16557     setElementChangeInfoToDefaults(ei->change);
16558
16559     DrawPropertiesWindow();
16560
16561     level.changed = TRUE;
16562   }
16563   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
16564            custom_element.num_change_pages > MIN_CHANGE_PAGES)
16565   {
16566     struct ElementInfo *ei = &element_info[properties_element];
16567
16568     // when modifying custom element, ask for copying level template
16569     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16570       return;
16571
16572     // copy all change pages after change page to be deleted
16573     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
16574       ei->change_page[i] = ei->change_page[i + 1];
16575
16576     setElementChangePages(ei, ei->num_change_pages - 1);
16577
16578     DrawPropertiesWindow();
16579
16580     level.changed = TRUE;
16581   }
16582   else if (type_id == ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS)
16583   {
16584     SetRandomLevelColors_BD(level.bd_color_type);
16585
16586     // update BD color palette gadgets after setting random colors
16587     DrawLevelConfigWindow();
16588   }
16589 }
16590
16591 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
16592 {
16593   int type_id = gi->custom_type_id;
16594
16595   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
16596       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
16597   {
16598     struct ElementInfo *ei = &element_info[properties_element];
16599     int step = BUTTON_STEPSIZE(gi->event.button);
16600
16601     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
16602     ei->current_change_page += step;
16603
16604     if (ei->current_change_page < 0)
16605       ei->current_change_page = 0;
16606     else if (ei->current_change_page >= ei->num_change_pages)
16607       ei->current_change_page = ei->num_change_pages - 1;
16608
16609     DrawPropertiesWindow();
16610   }
16611   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
16612            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16613   {
16614     struct ElementInfo *ei = &element_info[properties_element];
16615     int current_change_page = ei->current_change_page;
16616
16617     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
16618     {
16619       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
16620         ei->change_page[current_change_page];
16621     }
16622     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16623     {
16624       // when modifying custom element, ask for copying level template
16625       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16626         return;
16627
16628       ei->change_page[current_change_page] =
16629         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
16630
16631       level.changed = TRUE;
16632     }
16633
16634     DrawPropertiesWindow();
16635   }
16636 }
16637
16638 static void HandleRadiobuttons(struct GadgetInfo *gi)
16639 {
16640   int type_id = gi->custom_type_id;
16641
16642   *radiobutton_info[type_id].value =
16643     radiobutton_info[type_id].checked_value;
16644
16645   // do not mark level as modified for certain non-level-changing gadgets
16646   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16647       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16648     return;
16649
16650   level.changed = TRUE;
16651 }
16652
16653 static void HandleCheckbuttons(struct GadgetInfo *gi)
16654 {
16655   int type_id = gi->custom_type_id;
16656
16657   *checkbutton_info[type_id].value ^= TRUE;
16658
16659   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16660       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16661       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16662       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16663          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16664         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16665          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16666        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16667   {
16668     CopyElementPropertiesToGame(properties_element);
16669   }
16670
16671   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16672   {
16673     UpdateCustomElementGraphicGadgets();
16674   }
16675   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16676            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16677   {
16678     boolean template_related_changes_found = FALSE;
16679     int i;
16680
16681     // check if any custom, group or empty elements have been changed
16682     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16683       if ((IS_CUSTOM_ELEMENT(i) ||
16684            IS_GROUP_ELEMENT(i) ||
16685            IS_EMPTY_ELEMENT(i)) &&
16686           element_info[i].modified_settings)
16687         template_related_changes_found = TRUE;
16688
16689     if (level.use_custom_template &&
16690         !fileExists(getGlobalLevelTemplateFilename()))
16691     {
16692       Request("No level template found!", REQ_CONFIRM);
16693
16694       level.use_custom_template = FALSE;
16695
16696       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16697
16698       return;
16699     }
16700
16701     if (level.use_custom_template &&
16702         template_related_changes_found &&
16703         !Request("Discard changes and use level template?", REQ_ASK))
16704     {
16705       level.use_custom_template = FALSE;
16706
16707       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16708
16709       return;
16710     }
16711
16712     if (!level.use_custom_template &&
16713         Request("Copy settings from level template?", REQ_ASK))
16714     {
16715       return;
16716     }
16717
16718     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16719
16720     DrawEditModeWindow();
16721   }
16722   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16723   {
16724     if (setup.editor.use_template_for_new_levels &&
16725         !fileExists(getGlobalLevelTemplateFilename()))
16726     {
16727       Request("No level template found!", REQ_CONFIRM);
16728
16729       return;
16730     }
16731
16732     if (setup.editor.use_template_for_new_levels &&
16733         level.changed &&
16734         !Request("Discard level and load template?", REQ_ASK))
16735     {
16736       return;
16737     }
16738
16739     if (!setup.editor.use_template_for_new_levels &&
16740         level.changed &&
16741         !Request("Discard level and use empty level?", REQ_ASK))
16742     {
16743       return;
16744     }
16745
16746     LoadLevel(level_nr);
16747     LoadScore(level_nr);
16748
16749     TapeErase();
16750
16751     ResetUndoBuffer();
16752     DrawEditModeWindow();
16753   }
16754   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16755   {
16756     SetAutomaticNumberOfGemsNeeded();
16757   }
16758
16759   // do not mark level as modified for certain non-level-changing gadgets
16760   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16761        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16762       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16763        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16764        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16765       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16766     return;
16767
16768   level.changed = TRUE;
16769 }
16770
16771 static void HandleControlButtons(struct GadgetInfo *gi)
16772 {
16773   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16774   static int last_edit_mode = ED_MODE_DRAWING;
16775   static int last_custom_copy_mode = -1;
16776   static int last_button = 0;
16777   int id = gi->custom_id;
16778   int button = gi->event.button;
16779   int step = BUTTON_STEPSIZE(button);
16780   int new_element = BUTTON_ELEMENT(button);
16781   int last_properties_element = properties_element;
16782   int x, y;
16783
16784   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16785     DrawLevelText(0, 0, 0, TEXT_END);
16786
16787   if (id < ED_NUM_CTRL1_BUTTONS &&
16788       id != GADGET_ID_SINGLE_ITEMS &&
16789       id != GADGET_ID_PICK_ELEMENT &&
16790       edit_mode != ED_MODE_DRAWING &&
16791       drawing_function != GADGET_ID_PICK_ELEMENT &&
16792       !(GetKeyModState() & KMOD_Control))
16793     ChangeEditModeWindow(ED_MODE_DRAWING);
16794
16795   // element copy mode active, but no element button pressed => deactivate
16796   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16797     last_custom_copy_mode = -1;
16798
16799   // when showing palette on element buttons, change element of button used
16800   if (editor.palette.show_on_element_buttons &&
16801       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16802   {
16803     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16804
16805     id = GADGET_ID_PALETTE;
16806   }
16807
16808   switch (id)
16809   {
16810     case GADGET_ID_SCROLL_LEFT:
16811       if (level_xpos >= 0)
16812       {
16813         if (lev_fieldx < ed_fieldx - 2)
16814           break;
16815
16816         level_xpos -= step;
16817         if (level_xpos < -1)
16818           level_xpos = -1;
16819         if (button == 1)
16820           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16821         else
16822           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16823
16824         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16825                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16826       }
16827       break;
16828
16829     case GADGET_ID_SCROLL_RIGHT:
16830       if (level_xpos <= lev_fieldx - ed_fieldx)
16831       {
16832         if (lev_fieldx < ed_fieldx - 2)
16833           break;
16834
16835         level_xpos += step;
16836         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16837           level_xpos = lev_fieldx - ed_fieldx + 1;
16838         if (button == 1)
16839           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16840         else
16841           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16842
16843         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16844                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16845       }
16846       break;
16847
16848     case GADGET_ID_SCROLL_UP:
16849       if (level_ypos >= 0)
16850       {
16851         if (lev_fieldy < ed_fieldy - 2)
16852           break;
16853
16854         level_ypos -= step;
16855         if (level_ypos < -1)
16856           level_ypos = -1;
16857         if (button == 1)
16858           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16859         else
16860           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16861
16862         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16863                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16864       }
16865       break;
16866
16867     case GADGET_ID_SCROLL_DOWN:
16868       if (level_ypos <= lev_fieldy - ed_fieldy)
16869       {
16870         if (lev_fieldy < ed_fieldy - 2)
16871           break;
16872
16873         level_ypos += step;
16874         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16875           level_ypos = lev_fieldy - ed_fieldy + 1;
16876         if (button == 1)
16877           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16878         else
16879           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16880
16881         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16882                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16883       }
16884       break;
16885
16886     case GADGET_ID_SCROLL_HORIZONTAL:
16887       level_xpos = gi->event.item_position - 1;
16888
16889       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16890       BackToFront();
16891
16892       break;
16893
16894     case GADGET_ID_SCROLL_VERTICAL:
16895       level_ypos = gi->event.item_position - 1;
16896
16897       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16898       BackToFront();
16899
16900       break;
16901
16902     case GADGET_ID_SCROLL_LIST_UP:
16903     case GADGET_ID_SCROLL_LIST_DOWN:
16904     case GADGET_ID_SCROLL_LIST_VERTICAL:
16905       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16906         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16907       else
16908       {
16909         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16910         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16911
16912         if (element_shift < 0)
16913           element_shift = 0;
16914         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16915           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16916
16917         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16918                      GDI_SCROLLBAR_ITEM_POSITION,
16919                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16920       }
16921
16922       ModifyEditorElementList();
16923
16924       break;
16925
16926     case GADGET_ID_PROPERTIES:
16927       // always switch off element properties when they are already displayed
16928       last_properties_element = new_element;
16929     case GADGET_ID_ELEMENT_LEFT:
16930     case GADGET_ID_ELEMENT_MIDDLE:
16931     case GADGET_ID_ELEMENT_RIGHT:
16932       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16933                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16934                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16935                             new_element);
16936
16937       if (edit_mode != ED_MODE_PROPERTIES)
16938       {
16939         last_edit_mode = edit_mode;
16940
16941         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16942
16943         last_level_drawing_function = drawing_function;
16944         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16945                       MB_LEFTBUTTON);
16946       }
16947       else if (properties_element != last_properties_element)
16948       {
16949         DrawEditModeWindow();
16950       }
16951       else
16952       {
16953         ChangeEditModeWindow(ED_MODE_DRAWING);
16954
16955         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16956                       MB_LEFTBUTTON);
16957       }
16958       break;
16959
16960     case GADGET_ID_PALETTE:
16961       if (edit_mode != ED_MODE_PALETTE)
16962       {
16963         last_edit_mode = edit_mode;
16964
16965         ChangeEditModeWindow(ED_MODE_PALETTE);
16966       }
16967       else
16968       {
16969         ChangeEditModeWindow(last_edit_mode);
16970       }
16971       break;
16972
16973     case GADGET_ID_WRAP_LEFT:
16974       WrapLevel(-step, 0);
16975       break;
16976
16977     case GADGET_ID_WRAP_RIGHT:
16978       WrapLevel(step, 0);
16979       break;
16980
16981     case GADGET_ID_WRAP_UP:
16982       WrapLevel(0, -step);
16983       break;
16984
16985     case GADGET_ID_WRAP_DOWN:
16986       WrapLevel(0, step);
16987       break;
16988
16989     case GADGET_ID_SINGLE_ITEMS:
16990     case GADGET_ID_CONNECTED_ITEMS:
16991     case GADGET_ID_LINE:
16992     case GADGET_ID_ARC:
16993     case GADGET_ID_TEXT:
16994     case GADGET_ID_RECTANGLE:
16995     case GADGET_ID_FILLED_BOX:
16996     case GADGET_ID_FLOOD_FILL:
16997     case GADGET_ID_GRAB_BRUSH:
16998     case GADGET_ID_PICK_ELEMENT:
16999       if (drawing_function != GADGET_ID_PICK_ELEMENT)
17000         last_drawing_function = drawing_function;
17001       drawing_function = id;
17002       draw_with_brush = FALSE;
17003       break;
17004
17005     case GADGET_ID_RANDOM_PLACEMENT:
17006       RandomPlacement(new_element);
17007       break;
17008
17009     case GADGET_ID_ZOOM:
17010       // zoom level editor tile size in or out (or reset to default size)
17011       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
17012                      button == 2 ? ed_tilesize_default :
17013                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
17014
17015       // when using touch device, cycle through all zoom tilesizes
17016       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
17017         ed_tilesize = MICRO_TILESIZE;
17018
17019       // limit zoom level by upper and lower bound
17020       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
17021
17022       InitZoomLevelSettings(ed_tilesize);
17023
17024       if (edit_mode == ED_MODE_DRAWING)
17025       {
17026         DrawDrawingWindow();
17027
17028         // redraw zoom gadget info text
17029         PrintEditorGadgetInfoText(level_editor_gadget[id]);
17030       }
17031
17032       // save current editor zoom tilesize
17033       SaveSetup_AutoSetup();
17034
17035       break;
17036
17037     case GADGET_ID_CUSTOM_COPY_FROM:
17038     case GADGET_ID_CUSTOM_COPY_TO:
17039     case GADGET_ID_CUSTOM_EXCHANGE:
17040       last_custom_copy_mode = id;
17041       last_drawing_function = drawing_function;
17042       break;
17043
17044     case GADGET_ID_CUSTOM_COPY:
17045       CopyCustomElement(properties_element, -1, id);
17046       break;
17047
17048     case GADGET_ID_CUSTOM_PASTE:
17049       CopyCustomElement(-1, properties_element, id);
17050       break;
17051
17052     case GADGET_ID_UNDO:
17053       if (button < 0)   // keep button value (even if modifier keys are pressed)
17054         button = -button;
17055       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
17056         button = 3;
17057
17058       if (button == 1 && undo_buffer_steps == 0)
17059       {
17060         Request("Undo buffer empty!", REQ_CONFIRM);
17061
17062         break;
17063       }
17064       else if (button == 2)
17065       {
17066         break;
17067       }
17068       else if (button == 3 && redo_buffer_steps == 0)
17069       {
17070         Request("Redo buffer empty!", REQ_CONFIRM);
17071
17072         break;
17073       }
17074
17075       if (edit_mode != ED_MODE_DRAWING)
17076         ChangeEditModeWindow(ED_MODE_DRAWING);
17077
17078       if (button == 1)
17079       {
17080         // undo
17081
17082         undo_buffer_position =
17083           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
17084
17085         undo_buffer_steps--;
17086         redo_buffer_steps++;
17087       }
17088       else
17089       {
17090         // redo
17091
17092         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
17093
17094         undo_buffer_steps++;
17095         redo_buffer_steps--;
17096       }
17097
17098       for (x = 0; x < lev_fieldx; x++)
17099         for (y = 0; y < lev_fieldy; y++)
17100           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
17101
17102       // check if undo operation forces change of border style
17103       CheckLevelBorderElement(FALSE);
17104
17105       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
17106
17107       break;
17108
17109     case GADGET_ID_CONF:
17110       if (edit_mode != ED_MODE_LEVELCONFIG)
17111       {
17112         last_edit_mode = edit_mode;
17113
17114         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
17115       }
17116       else
17117       {
17118         ChangeEditModeWindow(ED_MODE_DRAWING);
17119       }
17120       break;
17121
17122     case GADGET_ID_CLEAR:
17123       if (edit_mode != ED_MODE_DRAWING)
17124         ChangeEditModeWindow(ED_MODE_DRAWING);
17125
17126       for (x = 0; x < MAX_LEV_FIELDX; x++)
17127         for (y = 0; y < MAX_LEV_FIELDY; y++)
17128           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
17129
17130       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
17131
17132       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
17133       break;
17134
17135     case GADGET_ID_SAVE:
17136     {
17137       // saving read-only levels into personal level set modifies global vars
17138       // "leveldir_current" and "level_nr"; restore them after saving level
17139       LevelDirTree *leveldir_former = leveldir_current;
17140       int level_nr_former = level_nr;
17141       char *level_filename;
17142       boolean new_level;
17143
17144       if (leveldir_current->readonly &&
17145           !PrepareSavingIntoPersonalLevelSet())
17146         break;
17147
17148       level_filename = getDefaultLevelFilename(level_nr);
17149       new_level = !fileExists(level_filename);
17150
17151       if (new_level ||
17152           Request("Save this level and kill the old?", REQ_ASK))
17153       {
17154         if (leveldir_former->readonly)
17155           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
17156
17157         SetAutomaticNumberOfGemsNeeded();
17158
17159         CopyPlayfield(Tile, level.field);
17160         SaveLevel(level_nr);
17161
17162         level.changed = FALSE;
17163
17164         if (new_level)
17165         {
17166           char level_saved_msg[64];
17167
17168           if (leveldir_former->readonly)
17169             sprintf(level_saved_msg,
17170                     "Level saved as level %d into personal level set!",
17171                     level_nr);
17172           else
17173             strcpy(level_saved_msg, "Level saved!");
17174
17175           Request(level_saved_msg, REQ_CONFIRM);
17176         }
17177       }
17178
17179       // "cd" back to copied-from levelset (in case of saved read-only level)
17180       leveldir_current = leveldir_former;
17181       level_nr = level_nr_former;
17182
17183       break;
17184     }
17185
17186     case GADGET_ID_TEST:
17187       if (LevelChanged())
17188         level.game_version = GAME_VERSION_ACTUAL;
17189
17190       CopyPlayfield(level.field, TileBackup);
17191       CopyPlayfield(Tile, level.field);
17192
17193       CopyNativeLevel_RND_to_Native(&level);
17194
17195       UnmapLevelEditorGadgets();
17196       UndrawSpecialEditorDoor();
17197
17198       CloseDoor(DOOR_CLOSE_ALL);
17199
17200       // needed before playing if editor playfield area has different size
17201       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
17202
17203       // redraw_mask = REDRAW_ALL;
17204
17205       level_editor_test_game = TRUE;
17206
17207       StartGameActions(FALSE, setup.autorecord, level.random_seed);
17208
17209       break;
17210
17211     case GADGET_ID_EXIT:
17212       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
17213       break;
17214
17215     default:
17216       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
17217           id <= GADGET_ID_ELEMENTLIST_LAST)
17218       {
17219         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
17220
17221         new_element = editor_elements[element_position + element_shift];
17222
17223         if (IS_EDITOR_CASCADE(new_element))
17224         {
17225           int i;
17226
17227           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
17228           {
17229             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
17230             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
17231
17232             if (*cascade_element == new_element)
17233             {
17234               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
17235               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
17236
17237               // update element selection list
17238               ReinitializeElementList();
17239               ModifyEditorElementList();
17240
17241               // update cascading gadget info text
17242               PrintEditorGadgetInfoText(level_editor_gadget[id]);
17243
17244               // save current editor cascading state
17245               SaveSetup_EditorCascade();
17246
17247               break;
17248             }
17249           }
17250
17251           break;
17252         }
17253
17254         if (last_custom_copy_mode != -1)
17255         {
17256           if (CopyCustomElement(properties_element, new_element,
17257                                 last_custom_copy_mode))
17258           {
17259             ClickOnGadget(level_editor_gadget[last_drawing_function],
17260                           MB_LEFTBUTTON);
17261
17262             last_custom_copy_mode = -1;
17263           }
17264
17265           break;
17266         }
17267
17268         // change element of button used to show palette
17269         if (editor.palette.show_on_element_buttons)
17270           button = last_button;
17271
17272         PickDrawingElement(button, new_element);
17273
17274         if (!stick_element_properties_window &&
17275             drawing_function != GADGET_ID_PICK_ELEMENT &&
17276             !(GetKeyModState() & KMOD_Control))
17277         {
17278           properties_element = new_element;
17279           if (edit_mode == ED_MODE_PROPERTIES)
17280             DrawPropertiesWindow();
17281         }
17282
17283         if (drawing_function == GADGET_ID_PICK_ELEMENT)
17284           ClickOnGadget(level_editor_gadget[last_drawing_function],
17285                         MB_LEFTBUTTON);
17286
17287         if (!use_permanent_palette)
17288           ChangeEditModeWindow(last_edit_mode);
17289       }
17290 #ifdef DEBUG
17291       else if (gi->event.type == GD_EVENT_PRESSED)
17292         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
17293       else if (gi->event.type == GD_EVENT_RELEASED)
17294         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
17295       else if (gi->event.type == GD_EVENT_MOVING)
17296         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
17297       else
17298         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
17299 #endif
17300       break;
17301   }
17302 }
17303
17304 void HandleLevelEditorKeyInput(Key key)
17305 {
17306   char letter = getCharFromKey(key);
17307
17308   if (drawing_function == GADGET_ID_TEXT &&
17309       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
17310   {
17311     if (letter)
17312       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
17313     else if (key == KSYM_Delete || key == KSYM_BackSpace)
17314       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
17315     else if (key == KSYM_Return)
17316       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
17317     else if (key == KSYM_Escape)
17318       DrawLevelText(0, 0, 0, TEXT_END);
17319
17320     return;
17321   }
17322
17323   int id = GADGET_ID_NONE;
17324   int new_element_shift = element_shift;
17325   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
17326   int button = MB_LEFTBUTTON;
17327   int i;
17328
17329   switch (key)
17330   {
17331     case KSYM_Left:
17332       id = GADGET_ID_SCROLL_LEFT;
17333       break;
17334     case KSYM_Right:
17335       id = GADGET_ID_SCROLL_RIGHT;
17336       break;
17337     case KSYM_Up:
17338       id = GADGET_ID_SCROLL_UP;
17339       break;
17340     case KSYM_Down:
17341       id = GADGET_ID_SCROLL_DOWN;
17342       break;
17343
17344     case KSYM_Page_Up:
17345     case KSYM_Page_Down:
17346       step *= (key == KSYM_Page_Up ? -1 : +1);
17347       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
17348
17349       if (element_shift < 0)
17350         element_shift = 0;
17351       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17352         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17353
17354       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17355                    GDI_SCROLLBAR_ITEM_POSITION,
17356                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17357
17358       ModifyEditorElementList();
17359
17360       break;
17361
17362     case KSYM_Home:
17363     case KSYM_End:
17364       element_shift = (key == KSYM_Home ? 0 :
17365                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
17366
17367       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17368                    GDI_SCROLLBAR_ITEM_POSITION,
17369                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17370
17371       ModifyEditorElementList();
17372
17373       break;
17374
17375     case KSYM_Insert:
17376     case KSYM_Delete:
17377
17378       // this is needed to prevent interference with running "True X-Mouse"
17379       if (GetKeyModStateFromEvents() & KMOD_Control)
17380         break;
17381
17382       // check for last or next editor cascade block in element list
17383       for (i = 0; i < num_editor_elements; i++)
17384       {
17385         if ((key == KSYM_Insert && i == element_shift) ||
17386             (key == KSYM_Delete && new_element_shift > element_shift))
17387           break;
17388
17389         // jump to next cascade block (or to start of element list)
17390         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
17391           new_element_shift = i;
17392       }
17393
17394       if (i < num_editor_elements)
17395         element_shift = new_element_shift;
17396
17397       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17398         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17399
17400       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17401                    GDI_SCROLLBAR_ITEM_POSITION,
17402                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17403
17404       ModifyEditorElementList();
17405
17406       break;
17407
17408     case KSYM_Escape:
17409       if (edit_mode == ED_MODE_DRAWING)
17410         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
17411       else if (edit_mode == ED_MODE_LEVELCONFIG)
17412         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
17413       else if (edit_mode == ED_MODE_PROPERTIES)
17414         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
17415       else if (edit_mode == ED_MODE_PALETTE)
17416         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
17417       else              // should never happen
17418         ChangeEditModeWindow(ED_MODE_DRAWING);
17419
17420       break;
17421
17422     default:
17423       break;
17424   }
17425
17426   if (id != GADGET_ID_NONE)
17427     ClickOnGadget(level_editor_gadget[id], button);
17428   else if (letter == '1' || letter == '?')
17429     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
17430   else if (letter == '2')
17431     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
17432   else if (letter == '3')
17433     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
17434   else if (letter == '.')
17435     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
17436   else if (letter == 'U')
17437     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
17438   else if (letter == '-' || key == KSYM_KP_Subtract)
17439     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
17440   else if (letter == '0' || key == KSYM_KP_0)
17441     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
17442   else if (letter == '+' || key == KSYM_KP_Add ||
17443            letter == '=')       // ("Shift-=" is "+" on US keyboards)
17444     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
17445   else if (key == KSYM_Return ||
17446            key == KSYM_space ||
17447            key == setup.shortcut.toggle_pause)
17448     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
17449   else
17450     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
17451       if (letter && letter == controlbutton_info[i].shortcut)
17452         if (!anyTextGadgetActive())
17453           ClickOnGadget(level_editor_gadget[i], button);
17454
17455   if (draw_with_brush)
17456   {
17457     if (letter == 'x')
17458       FlipBrushX();
17459     else if (letter == 'y')
17460       FlipBrushY();
17461     else if (letter == 'z')
17462       RotateBrush();
17463   }
17464 }
17465
17466 static void HandleLevelEditorIdle_Properties(void)
17467 {
17468   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
17469   int x = editor.settings.element_graphic.x + element_border;
17470   int y = editor.settings.element_graphic.y + element_border;
17471   static DelayCounter action_delay = { 0 };
17472   int i;
17473
17474   action_delay.value = GameFrameDelay;
17475
17476   if (!DelayReached(&action_delay))
17477     return;
17478
17479   for (i = 0; i < ED_NUM_SELECTBOX; i++)
17480   {
17481     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
17482
17483     if (gi->mapped && gi->active && gi->selectbox.open)
17484       return;
17485   }
17486
17487   DrawEditorElementAnimation(SX + x, SY + y);
17488
17489   redraw_mask |= REDRAW_FIELD;
17490
17491   FrameCounter++;       // increase animation frame counter
17492 }
17493
17494 static void HandleLevelEditorIdle_Drawing(void)
17495 {
17496   static boolean last_highlighted = FALSE;
17497   static boolean last_highlighted_similar = FALSE;
17498   boolean highlighted = (GetKeyModState() & KMOD_Alt);
17499   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
17500
17501   if (highlighted != last_highlighted ||
17502       (highlighted && highlighted_similar != last_highlighted_similar))
17503   {
17504     DrawAreaElementHighlight(highlighted, highlighted_similar);
17505
17506     redraw_mask |= REDRAW_FIELD;
17507   }
17508
17509   last_highlighted = highlighted;
17510   last_highlighted_similar = highlighted_similar;
17511 }
17512
17513 void HandleLevelEditorIdle(void)
17514 {
17515   if (edit_mode == ED_MODE_PROPERTIES)
17516     HandleLevelEditorIdle_Properties();
17517   else if (edit_mode == ED_MODE_DRAWING)
17518     HandleLevelEditorIdle_Drawing();
17519 }
17520
17521 static void ClearEditorGadgetInfoText(void)
17522 {
17523   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
17524 }
17525
17526 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
17527 {
17528   char infotext[MAX_OUTPUT_LINESIZE + 1];
17529   int max_infotext_len = getMaxInfoTextLength();
17530
17531   if (gi == NULL || strlen(gi->info_text) == 0)
17532     return;
17533
17534   strncpy(infotext, gi->info_text, max_infotext_len);
17535   infotext[max_infotext_len] = '\0';
17536
17537   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
17538   {
17539     int key = controlbutton_info[gi->custom_id].shortcut;
17540
17541     if (key)
17542     {
17543       char shortcut[MAX_OUTPUT_LINESIZE + 1];
17544
17545       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
17546         sprintf(shortcut, " ('.' or '%c')", key);
17547       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
17548         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
17549       else if (gi->custom_id == GADGET_ID_TEST)
17550         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
17551       else if (gi->custom_id == GADGET_ID_UNDO)
17552         sprintf(shortcut, " ('%c/Shift-U')", key);
17553       else if (gi->custom_id == GADGET_ID_ZOOM)
17554         sprintf(shortcut, " ('%c', '0', '-')", key);
17555       else
17556         sprintf(shortcut, " ('%s%c')",
17557                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
17558
17559       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
17560         strcat(infotext, shortcut);
17561     }
17562   }
17563
17564   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
17565 }
17566
17567 void HandleEditorGadgetInfoText(void *ptr)
17568 {
17569   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
17570
17571   if (game_status != GAME_MODE_EDITOR)
17572     return;
17573
17574   ClearEditorGadgetInfoText();
17575
17576   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
17577     return;
17578
17579   // misuse this function to delete brush cursor, if needed
17580   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
17581     DeleteBrushFromCursor();
17582
17583   PrintEditorGadgetInfoText(gi);
17584 }
17585
17586 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
17587 {
17588   int id = gi->custom_id;
17589   int type_id = gi->custom_type_id;
17590   int sx = gi->event.x;
17591   int sy = gi->event.y;
17592   int lx = sx + level_xpos;
17593   int ly = sy + level_ypos;
17594   int min_sx = 0, min_sy = 0;
17595   int max_sx = gi->drawing.area_xsize - 1;
17596   int max_sy = gi->drawing.area_ysize - 1;
17597   int actual_drawing_function = drawing_function;
17598   int max_infotext_len = getMaxInfoTextLength();
17599   char infotext[MAX_OUTPUT_LINESIZE + 1];
17600
17601   infotext[0] = '\0';           // start with empty info text
17602
17603   // pressed Control key: simulate picking element
17604   if (GetKeyModState() & KMOD_Control)
17605     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
17606
17607   ClearEditorGadgetInfoText();
17608
17609   if (gi->event.type == GD_EVENT_INFO_LEAVING)
17610     return;
17611
17612   // make sure to stay inside drawing area boundaries
17613   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
17614   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
17615
17616   if (id == GADGET_ID_DRAWING_LEVEL)
17617   {
17618     if (button_status)
17619     {
17620       int min_lx = 0, min_ly = 0;
17621       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
17622
17623       // get positions inside level field
17624       lx = sx + level_xpos;
17625       ly = sy + level_ypos;
17626
17627       // make sure to stay inside level field boundaries
17628       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
17629       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
17630
17631       // correct drawing area positions accordingly
17632       sx = lx - level_xpos;
17633       sy = ly - level_ypos;
17634     }
17635
17636     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17637     {
17638       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17639       {
17640         static int start_lx = 0;
17641         static int start_ly = 0;
17642         char *text;
17643
17644         if (gi->event.type == GD_EVENT_PRESSED)
17645         {
17646           start_lx = lx;
17647           start_ly = ly;
17648         }
17649
17650         switch (actual_drawing_function)
17651         {
17652           case GADGET_ID_SINGLE_ITEMS:
17653             text = "Drawing single items";
17654             break;
17655           case GADGET_ID_CONNECTED_ITEMS:
17656             text = "Drawing connected items";
17657             break;
17658           case GADGET_ID_LINE:
17659             text = "Drawing line";
17660             break;
17661           case GADGET_ID_ARC:
17662             text = "Drawing arc";
17663             break;
17664           case GADGET_ID_TEXT:
17665             text = "Setting text cursor";
17666             break;
17667           case GADGET_ID_RECTANGLE:
17668             text = "Drawing rectangle";
17669             break;
17670           case GADGET_ID_FILLED_BOX:
17671             text = "Drawing filled box";
17672             break;
17673           case GADGET_ID_FLOOD_FILL:
17674             text = "Flood fill";
17675             break;
17676           case GADGET_ID_GRAB_BRUSH:
17677             text = "Grabbing brush";
17678             break;
17679           case GADGET_ID_PICK_ELEMENT:
17680             text = "Picking element";
17681             break;
17682
17683           default:
17684             text = "Drawing position";
17685             break;
17686         }
17687
17688         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17689           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17690         else
17691           sprintf(infotext, "%s: %d, %d", text,
17692                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17693       }
17694       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17695         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17696       else
17697         sprintf(infotext, "Level position: %d, %d", lx, ly);
17698     }
17699
17700     // misuse this function to draw brush cursor, if needed
17701     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17702     {
17703       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17704         CopyBrushToCursor(sx, sy);
17705       else
17706         DeleteBrushFromCursor();
17707     }
17708
17709     if (!draw_with_brush)
17710       UpdateBrushPosition(sx, sy);
17711   }
17712   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17713   {
17714     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17715     int element = drawingarea_info[type_id].value[pos];
17716
17717     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17718   }
17719   else
17720   {
17721     if (id == GADGET_ID_CUSTOM_CONTENT)
17722       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17723     else if (id == GADGET_ID_GROUP_CONTENT)
17724       sprintf(infotext, "group element position: %d", sx + 1);
17725     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17726              id <= GADGET_ID_YAMYAM_CONTENT_7)
17727       sprintf(infotext, "content area %d position: %d, %d",
17728               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17729     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17730              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17731       sprintf(infotext, "content area %d position: %d, %d",
17732               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17733     else if (id == GADGET_ID_ANDROID_CONTENT)
17734       sprintf(infotext, "android element position: %d", sx + 1);
17735     else if (drawingarea_info[type_id].infotext != NULL)
17736       strcpy(infotext, drawingarea_info[type_id].infotext);
17737   }
17738
17739   infotext[max_infotext_len] = '\0';
17740
17741   if (strlen(infotext) > 0)
17742     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17743 }
17744
17745 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17746                             boolean quick_quit)
17747 {
17748   if (!ask_if_level_has_changed ||
17749       !LevelChanged() ||
17750       Request("Level has changed! Exit without saving?",
17751               REQ_ASK | REQ_STAY_OPEN))
17752   {
17753     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17754     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17755
17756     // draw normal door
17757     UndrawSpecialEditorDoor();
17758
17759     // use door animation if door 1 viewport is unchanged and contains toolbox
17760     if (useEditorDoorAnimation())
17761       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17762
17763     // close editor doors if viewport definition is the same as in main menu
17764     if (vp_door_1->x      == DX     &&
17765         vp_door_1->y      == DY     &&
17766         vp_door_1->width  == DXSIZE &&
17767         vp_door_1->height == DYSIZE &&
17768         vp_door_2->x      == VX     &&
17769         vp_door_2->y      == VY     &&
17770         vp_door_2->width  == VXSIZE &&
17771         vp_door_2->height == VYSIZE)
17772       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17773     else
17774       SetDoorState(DOOR_CLOSE_ALL);
17775
17776     BackToFront();
17777
17778     if (quick_quit)
17779       FadeSkipNextFadeIn();
17780
17781     SetGameStatus(GAME_MODE_MAIN);
17782
17783     DrawMainMenu();
17784   }
17785   else
17786   {
17787     if (!global.use_envelope_request)
17788     {
17789       CloseDoor(DOOR_CLOSE_1);
17790       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17791     }
17792   }
17793 }