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_CONTENT_TOO_BIG,
 629   GADGET_ID_BD_AMOEBA_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_EXPLODES_TO,
 652   GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,
 653   GADGET_ID_BD_BUTTERFLY_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_RGB_B,
 684   GADGET_ID_BD_COLOR_RGB_0,
 685   GADGET_ID_BD_COLOR_RGB_1,
 686   GADGET_ID_BD_COLOR_RGB_2,
 687   GADGET_ID_BD_COLOR_RGB_3,
 688   GADGET_ID_BD_COLOR_RGB_4,
 689   GADGET_ID_BD_COLOR_RGB_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
 760   // graphicbutton identifiers
 761
 762   GADGET_ID_PREV_CHANGE_PAGE,
 763   GADGET_ID_NEXT_CHANGE_PAGE,
 764   GADGET_ID_COPY_CHANGE_PAGE,
 765   GADGET_ID_PASTE_CHANGE_PAGE,
 766
 767   // gadgets for scrolling of drawing area
 768
 769   GADGET_ID_SCROLL_UP,
 770   GADGET_ID_SCROLL_DOWN,
 771   GADGET_ID_SCROLL_LEFT,
 772   GADGET_ID_SCROLL_RIGHT,
 773   GADGET_ID_SCROLL_HORIZONTAL,
 774   GADGET_ID_SCROLL_VERTICAL,
 775
 776   // gadgets for scrolling element list
 777
 778   GADGET_ID_SCROLL_LIST_UP,
 779   GADGET_ID_SCROLL_LIST_DOWN,
 780   GADGET_ID_SCROLL_LIST_VERTICAL,
 781
 782   // checkbuttons/radiobuttons for level/element properties
 783
 784   GADGET_ID_AUTO_COUNT_GEMS,
 785   GADGET_ID_RATE_TIME_OVER_SCORE,
 786   GADGET_ID_USE_LEVELSET_ARTWORK,
 787   GADGET_ID_COPY_LEVEL_TEMPLATE,
 788   GADGET_ID_RANDOM_PERCENTAGE,
 789   GADGET_ID_RANDOM_QUANTITY,
 790   GADGET_ID_RANDOM_RESTRICTED,
 791   GADGET_ID_BD_INTERMISSION,
 792   GADGET_ID_BD_PAL_TIMING,
 793   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 794   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 795   GADGET_ID_BD_SHORT_EXPLOSIONS,
 796   GADGET_ID_STICK_ELEMENT,
 797   GADGET_ID_EM_SLIPPERY_GEMS,
 798   GADGET_ID_EM_EXPLODES_BY_FIRE,
 799   GADGET_ID_USE_SPRING_BUG,
 800   GADGET_ID_USE_TIME_ORB_BUG,
 801   GADGET_ID_USE_LIFE_BUGS,
 802   GADGET_ID_RANDOM_BALL_CONTENT,
 803   GADGET_ID_INITIAL_BALL_ACTIVE,
 804   GADGET_ID_GROW_INTO_DIGGABLE,
 805   GADGET_ID_SB_FIELDS_NEEDED,
 806   GADGET_ID_SB_OBJECTS_NEEDED,
 807   GADGET_ID_AUTO_EXIT_SOKOBAN,
 808   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 809   GADGET_ID_FINISH_DIG_COLLECT,
 810   GADGET_ID_KEEP_WALKABLE_CE,
 811   GADGET_ID_CONTINUOUS_SNAPPING,
 812   GADGET_ID_BLOCK_SNAP_FIELD,
 813   GADGET_ID_BLOCK_LAST_FIELD,
 814   GADGET_ID_SP_BLOCK_LAST_FIELD,
 815   GADGET_ID_INSTANT_RELOCATION,
 816   GADGET_ID_SHIFTED_RELOCATION,
 817   GADGET_ID_LAZY_RELOCATION,
 818   GADGET_ID_USE_START_ELEMENT,
 819   GADGET_ID_USE_ARTWORK_ELEMENT,
 820   GADGET_ID_USE_EXPLOSION_ELEMENT,
 821   GADGET_ID_INITIAL_GRAVITY,
 822   GADGET_ID_USE_INITIAL_INVENTORY,
 823   GADGET_ID_CAN_PASS_TO_WALKABLE,
 824   GADGET_ID_CAN_FALL_INTO_ACID,
 825   GADGET_ID_CAN_MOVE_INTO_ACID,
 826   GADGET_ID_DONT_COLLIDE_WITH,
 827   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 828   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 829   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 830   GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,
 831   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 832   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 833   GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,
 834   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 835   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 836   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 837   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 838   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 839   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 840   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 841   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 842   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 843   GADGET_ID_BD_REPLICATORS_ACTIVE,
 844   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 845   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 846   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 847   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 848   GADGET_ID_BD_INFINITE_ROCKETS,
 849   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 850   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 851   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 852   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 853   GADGET_ID_ENVELOPE_AUTOWRAP,
 854   GADGET_ID_ENVELOPE_CENTERED,
 855   GADGET_ID_MM_LASER_RED,
 856   GADGET_ID_MM_LASER_GREEN,
 857   GADGET_ID_MM_LASER_BLUE,
 858   GADGET_ID_DF_LASER_RED,
 859   GADGET_ID_DF_LASER_GREEN,
 860   GADGET_ID_DF_LASER_BLUE,
 861   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 862   GADGET_ID_EXPLODE_MM_BALL,
 863   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 864   GADGET_ID_CUSTOM_CAN_EXPLODE,
 865   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 866   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 867   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 868   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 869   GADGET_ID_CUSTOM_DEADLY,
 870   GADGET_ID_CUSTOM_CAN_MOVE,
 871   GADGET_ID_CUSTOM_CAN_FALL,
 872   GADGET_ID_CUSTOM_CAN_SMASH,
 873   GADGET_ID_CUSTOM_SLIPPERY,
 874   GADGET_ID_CUSTOM_ACCESSIBLE,
 875   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 876   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 877   GADGET_ID_CUSTOM_USE_GRAPHIC,
 878   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 879   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 880   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 881   GADGET_ID_CUSTOM_CAN_CHANGE,
 882   GADGET_ID_CHANGE_USE_CONTENT,
 883   GADGET_ID_CHANGE_USE_EXPLOSION,
 884   GADGET_ID_CHANGE_ONLY_COMPLETE,
 885   GADGET_ID_CHANGE_USE_RANDOM,
 886   GADGET_ID_CHANGE_HAS_ACTION,
 887   GADGET_ID_CHANGE_DELAY,
 888   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 889   GADGET_ID_CHANGE_BY_OTHER_ACT,
 890
 891   NUM_STATIC_GADGET_IDS
 892 };
 893
 894 // gadgets for buttons in element list (dynamic)
 895 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 896 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 897                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 898
 899 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 900
 901 // radio button numbers
 902 enum
 903 {
 904   RADIO_NR_NONE,
 905   RADIO_NR_DRAWING_TOOLBOX,
 906   RADIO_NR_RANDOM_ELEMENTS
 907 };
 908
 909 // values for counter gadgets
 910 enum
 911 {
 912   ED_COUNTER_ID_SELECT_LEVEL,
 913   ED_COUNTER_ID_LEVEL_XSIZE,
 914   ED_COUNTER_ID_LEVEL_YSIZE,
 915   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 916   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 917   ED_COUNTER_ID_LEVEL_TIMESCORE,
 918   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 919   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 920   ED_COUNTER_ID_LEVEL_RANDOM,
 921   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 922   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 923   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 924   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 925   ED_COUNTER_ID_BD_PUSHING_PROB,
 926   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 927   ED_COUNTER_ID_ELEMENT_VALUE1,
 928   ED_COUNTER_ID_ELEMENT_VALUE2,
 929   ED_COUNTER_ID_ELEMENT_VALUE3,
 930   ED_COUNTER_ID_ELEMENT_VALUE4,
 931   ED_COUNTER_ID_YAMYAM_CONTENT,
 932   ED_COUNTER_ID_BALL_CONTENT,
 933   ED_COUNTER_ID_ANDROID_CONTENT,
 934   ED_COUNTER_ID_ENVELOPE_XSIZE,
 935   ED_COUNTER_ID_ENVELOPE_YSIZE,
 936   ED_COUNTER_ID_INVENTORY_SIZE,
 937   ED_COUNTER_ID_MM_BALL_CONTENT,
 938   ED_COUNTER_ID_CUSTOM_SCORE,
 939   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 940   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 941   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 942   ED_COUNTER_ID_PUSH_DELAY_FIX,
 943   ED_COUNTER_ID_PUSH_DELAY_RND,
 944   ED_COUNTER_ID_DROP_DELAY_FIX,
 945   ED_COUNTER_ID_DROP_DELAY_RND,
 946   ED_COUNTER_ID_MOVE_DELAY_FIX,
 947   ED_COUNTER_ID_MOVE_DELAY_RND,
 948   ED_COUNTER_ID_STEP_DELAY_FIX,
 949   ED_COUNTER_ID_STEP_DELAY_RND,
 950   ED_COUNTER_ID_EXPLOSION_DELAY,
 951   ED_COUNTER_ID_IGNITION_DELAY,
 952   ED_COUNTER_ID_GROUP_CONTENT,
 953   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 954   ED_COUNTER_ID_CHANGE_DELAY_RND,
 955   ED_COUNTER_ID_CHANGE_CONT_RND,
 956
 957   ED_NUM_COUNTERBUTTONS
 958 };
 959
 960 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 961 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 962 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 963 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 964 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 965 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 966
 967 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 968 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 969 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 970 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 971 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 972 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 973
 974 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 975 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 976
 977 // values for scrollbutton gadgets
 978 enum
 979 {
 980   ED_SCROLLBUTTON_ID_AREA_UP,
 981   ED_SCROLLBUTTON_ID_AREA_DOWN,
 982   ED_SCROLLBUTTON_ID_AREA_LEFT,
 983   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 984   ED_SCROLLBUTTON_ID_LIST_UP,
 985   ED_SCROLLBUTTON_ID_LIST_DOWN,
 986
 987   ED_NUM_SCROLLBUTTONS
 988 };
 989
 990 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 991 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 992
 993 // values for scrollbar gadgets
 994 enum
 995 {
 996   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 997   ED_SCROLLBAR_ID_AREA_VERTICAL,
 998   ED_SCROLLBAR_ID_LIST_VERTICAL,
 999
1000   ED_NUM_SCROLLBARS
1001 };
1002
1003 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
1004 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
1005
1006 // values for text input gadgets
1007 enum
1008 {
1009   ED_TEXTINPUT_ID_LEVEL_NAME,
1010   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1011   ED_TEXTINPUT_ID_LEVELSET_NAME,
1012   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1013   ED_TEXTINPUT_ID_BD_COLOR_RGB_B,
1014   ED_TEXTINPUT_ID_BD_COLOR_RGB_0,
1015   ED_TEXTINPUT_ID_BD_COLOR_RGB_1,
1016   ED_TEXTINPUT_ID_BD_COLOR_RGB_2,
1017   ED_TEXTINPUT_ID_BD_COLOR_RGB_3,
1018   ED_TEXTINPUT_ID_BD_COLOR_RGB_4,
1019   ED_TEXTINPUT_ID_BD_COLOR_RGB_5,
1020   ED_TEXTINPUT_ID_ELEMENT_NAME,
1021
1022   ED_NUM_TEXTINPUT
1023 };
1024
1025 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
1026 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
1027
1028 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
1029 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
1030
1031 #define ED_TEXTINPUT_ID_COLORS_FIRST    ED_TEXTINPUT_ID_BD_COLOR_RGB_B
1032 #define ED_TEXTINPUT_ID_COLORS_LAST     ED_TEXTINPUT_ID_BD_COLOR_RGB_5
1033
1034 // values for text area gadgets
1035 enum
1036 {
1037   ED_TEXTAREA_ID_ENVELOPE_INFO,
1038
1039   ED_NUM_TEXTAREAS
1040 };
1041
1042 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
1043 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
1044
1045 // values for selectbox gadgets
1046 enum
1047 {
1048   ED_SELECTBOX_ID_TIME_OR_STEPS,
1049   ED_SELECTBOX_ID_TIME_SCORE_BASE,
1050   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
1051   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
1052   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
1053   ED_SELECTBOX_ID_BD_COLOR_TYPE,
1054   ED_SELECTBOX_ID_BD_COLOR_C64_B,
1055   ED_SELECTBOX_ID_BD_COLOR_C64_0,
1056   ED_SELECTBOX_ID_BD_COLOR_C64_1,
1057   ED_SELECTBOX_ID_BD_COLOR_C64_2,
1058   ED_SELECTBOX_ID_BD_COLOR_C64_3,
1059   ED_SELECTBOX_ID_BD_COLOR_C64_4,
1060   ED_SELECTBOX_ID_BD_COLOR_C64_5,
1061   ED_SELECTBOX_ID_WIND_DIRECTION,
1062   ED_SELECTBOX_ID_PLAYER_SPEED,
1063   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
1064   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
1065   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
1066   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
1067   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
1068   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
1069   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
1070   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
1071   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
1072   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
1073   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
1074   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
1075   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
1076   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
1077   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
1078   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
1079   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
1080   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
1081   ED_SELECTBOX_ID_CHANGE_SIDE,
1082   ED_SELECTBOX_ID_CHANGE_PLAYER,
1083   ED_SELECTBOX_ID_CHANGE_PAGE,
1084   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
1085   ED_SELECTBOX_ID_ACTION_TYPE,
1086   ED_SELECTBOX_ID_ACTION_MODE,
1087   ED_SELECTBOX_ID_ACTION_ARG,
1088   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
1089   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
1090
1091   ED_NUM_SELECTBOX
1092 };
1093
1094 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
1095 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
1096
1097 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1098 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1099
1100 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1101 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1102
1103 #define ED_SELECTBOX_ID_COLORS_FIRST    ED_SELECTBOX_ID_BD_COLOR_C64_B
1104 #define ED_SELECTBOX_ID_COLORS_LAST     ED_SELECTBOX_ID_BD_COLOR_C64_5
1105
1106 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
1107 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
1108 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
1109 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
1110 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
1111 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
1112
1113 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
1114 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1115
1116 // values for textbutton gadgets
1117 enum
1118 {
1119   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1120   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1121   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1122   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1123   ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
1124   ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
1125   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1126   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1127   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1128   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1129   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1130   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1131   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1132   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1133   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1134   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1135
1136   ED_NUM_TEXTBUTTONS
1137 };
1138
1139 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1140 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1141
1142 #define ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1143 #define ED_TAB_BUTTON_ID_ENGINECONFIG_LAST  ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1144
1145 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1146 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1147
1148 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1149 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1150
1151 // values for graphicbutton gadgets
1152 enum
1153 {
1154   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1155   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1156   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1157   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1158
1159   ED_NUM_GRAPHICBUTTONS
1160 };
1161
1162 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1163 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1164
1165 // values for checkbutton gadgets
1166 enum
1167 {
1168   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1169   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1170   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1171   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1172   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1173   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1174   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1175   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1176   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1177   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1178   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1179   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1180   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1181   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1182   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1183   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1184   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1185   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1186   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1187   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1188   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1189   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1190   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1191   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1192   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1193   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1194   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1195   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1196   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1197   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1198   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1199   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1200   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1201   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1202   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1203   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1204   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1205   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1206   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1207   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1208   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1209   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1210   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1211   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1212   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1213   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1214   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
1215   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1216   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1217   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
1218   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1219   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1220   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1221   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1222   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1223   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1224   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1225   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1226   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1227   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1228   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1229   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1230   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1231   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1232   ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
1233   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1234   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1235   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1236   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1237   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1238   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1239   ED_CHECKBUTTON_ID_MM_LASER_RED,
1240   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1241   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1242   ED_CHECKBUTTON_ID_DF_LASER_RED,
1243   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1244   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1245   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1246   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1247   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1248   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1249   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1250   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1251   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1252   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1253   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1254   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1255   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1256   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1257   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1258   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1259   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1260   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1261   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1262   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1263   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1264   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1265   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1266   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1267   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1268   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1269   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1270   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1271   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1272
1273   ED_NUM_CHECKBUTTONS
1274 };
1275
1276 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1277 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1278
1279 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1280 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1281
1282 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1283 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1284
1285 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1286 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1287
1288 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1289 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1290 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1291 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1292 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1293 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1294
1295 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1296 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1297
1298 // values for radiobutton gadgets
1299 enum
1300 {
1301   ED_RADIOBUTTON_ID_PERCENTAGE,
1302   ED_RADIOBUTTON_ID_QUANTITY,
1303
1304   ED_NUM_RADIOBUTTONS
1305 };
1306
1307 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1308 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1309
1310 // values for drawing area gadgets
1311 enum
1312 {
1313   ED_DRAWING_ID_DRAWING_LEVEL,
1314   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1315   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1316   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1317   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1318   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1319   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1320   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1321   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1322   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1323   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1324   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1325   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1326   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1327   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1328   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1329   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1330   ED_DRAWING_ID_ANDROID_CONTENT,
1331   ED_DRAWING_ID_AMOEBA_CONTENT,
1332   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1333   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1334   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1335   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1336   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1337   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1338   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1339   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1340   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1341   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1342   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1343   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1344   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1345   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1346   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1347   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1348   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1349   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1350   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1351   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1352   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1353   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1354   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1355   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1356   ED_DRAWING_ID_BD_NUT_CONTENT,
1357   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1358   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1359   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
1360   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
1361   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
1362   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
1363   ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
1364   ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
1365   ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
1366   ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
1367   ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
1368   ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
1369   ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
1370   ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
1371   ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
1372   ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
1373   ED_DRAWING_ID_START_ELEMENT,
1374   ED_DRAWING_ID_ARTWORK_ELEMENT,
1375   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1376   ED_DRAWING_ID_INVENTORY_CONTENT,
1377   ED_DRAWING_ID_MM_BALL_CONTENT,
1378   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1379   ED_DRAWING_ID_CUSTOM_CONTENT,
1380   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1381   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1382   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1383   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1384   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1385   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1386   ED_DRAWING_ID_GROUP_CONTENT,
1387   ED_DRAWING_ID_RANDOM_BACKGROUND,
1388
1389   ED_NUM_DRAWING_AREAS
1390 };
1391
1392 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1393 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1394
1395
1396 // ----------------------------------------------------------------------------
1397 // some internally used definitions
1398 // ----------------------------------------------------------------------------
1399
1400 // values for CopyLevelToUndoBuffer()
1401 #define UNDO_IMMEDIATE                  0
1402 #define UNDO_ACCUMULATE                 1
1403
1404 // values for scrollbars
1405 #define ED_SCROLL_NO                    0
1406 #define ED_SCROLL_LEFT                  1
1407 #define ED_SCROLL_RIGHT                 2
1408 #define ED_SCROLL_UP                    4
1409 #define ED_SCROLL_DOWN                  8
1410
1411 // screens in the level editor
1412 #define ED_MODE_DRAWING                 0
1413 #define ED_MODE_LEVELCONFIG             1
1414 #define ED_MODE_PROPERTIES              2
1415 #define ED_MODE_PALETTE                 3
1416
1417 // sub-screens in the global settings section
1418 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1419 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1420 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1421 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1422
1423 // sub-screens in the engine settings section
1424 #define ED_MODE_ENGINECONFIG_CONFIG     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1425 #define ED_MODE_ENGINECONFIG_COLORS     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1426
1427 // sub-screens in the element properties section
1428 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1429 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1430 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1431 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1432 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1433
1434 // how many steps can be cancelled
1435 #define NUM_UNDO_STEPS                  (64 + 1)
1436
1437 // values for elements with score for certain actions
1438 #define MIN_SCORE                       0
1439 #define MAX_SCORE                       999
1440
1441 // values for elements with count for collecting
1442 #define MIN_COLLECT_COUNT               0
1443 #define MAX_COLLECT_COUNT               999
1444
1445 // values for random placement
1446 #define RANDOM_USE_PERCENTAGE           0
1447 #define RANDOM_USE_QUANTITY             1
1448
1449 // values for level set save mode
1450 #define LEVELSET_SAVE_MODE_UPDATE       0
1451 #define LEVELSET_SAVE_MODE_CREATE       1
1452
1453 // default value for element tile size in drawing area
1454 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1455 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1456
1457
1458 // ----------------------------------------------------------------------------
1459 // some internally used data structure definitions
1460 // ----------------------------------------------------------------------------
1461
1462 static struct
1463 {
1464   int graphic;
1465   int gadget_id;
1466   struct XYTileSize *pos;
1467   int gadget_type;
1468   char *infotext;
1469   char shortcut;
1470 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1471 {
1472   // note: some additional characters are already reserved for "cheat mode"
1473   // shortcuts (":XYZ" style) -- for details, see "events.c"
1474
1475   // ---------- toolbox control buttons ---------------------------------------
1476
1477   {
1478     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1479     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1480     "Draw single items",                        's'
1481   },
1482   {
1483     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1484     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1485     "Draw connected items",                     'd'
1486   },
1487   {
1488     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1489     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1490     "Draw lines",                               'l'
1491   },
1492   {
1493     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1494     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1495     "Draw arcs",                                'a'
1496   },
1497   {
1498     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1499     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1500     "Draw outline rectangles",                  'r'
1501   },
1502   {
1503     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1504     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1505     "Draw filled rectangles",                   'R'
1506   },
1507   {
1508     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1509     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1510     "Wrap (rotate) level up",                   0
1511   },
1512   {
1513     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1514     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1515     "Enter text elements",                      't'
1516   },
1517   {
1518     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1519     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1520     "Flood fill",                               'f'
1521   },
1522   {
1523     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1524     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1525     "Wrap (rotate) level left",                 0
1526   },
1527   {
1528     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1529     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1530     "Zoom level tile size",                     '+'
1531   },
1532   {
1533     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1534     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1535     "Wrap (rotate) level right",                0
1536   },
1537   {
1538     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1539     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1540     "Random element placement",                 0
1541   },
1542   {
1543     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1544     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1545     "Grab brush",                               'b'
1546   },
1547   {
1548     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1549     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1550     "Wrap (rotate) level down",                 0
1551   },
1552   {
1553     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1554     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1555     "Pick drawing element",                     ','
1556   },
1557
1558   // ---------- level control buttons -----------------------------------------
1559
1560   {
1561     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1562     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1563     "Undo/redo last operation",                 'u'
1564   },
1565   {
1566     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1567     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1568     "Level and editor settings",                'I'
1569   },
1570   {
1571     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1572     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1573     "Save level",                               'S'
1574   },
1575   {
1576     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1577     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1578     "Clear level",                              'C'
1579   },
1580   {
1581     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1582     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1583     "Test level",                               'T'
1584   },
1585   {
1586     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1587     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1588     "Exit level editor",                        'E'
1589   },
1590
1591   // ---------- CE and GE control buttons -------------------------------------
1592
1593   {
1594     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1595     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1596     "Copy settings from other element",         0
1597   },
1598   {
1599     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1600     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1601     "Copy settings to other element",           0
1602   },
1603   {
1604     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1605     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1606     "Exchange element with other element",      0
1607   },
1608   {
1609     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1610     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1611     "Copy settings from this element",          0
1612   },
1613   {
1614     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1615     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1616     "Paste settings to this element",           0
1617   },
1618
1619   // ---------- palette control buttons ---------------------------------------
1620
1621   {
1622     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1623     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1624     "Properties of drawing element",            'p'
1625   },
1626   {
1627     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1628     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1629     "Properties of drawing element 1",          '1'
1630   },
1631   {
1632     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1633     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1634     "Properties of drawing element 2",          '2'
1635   },
1636   {
1637     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1638     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1639     "Properties of drawing element 3",          '3'
1640   },
1641   {
1642     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1643     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1644     "Show list of elements",                    'e'
1645   }
1646 };
1647
1648 static int random_placement_value = 10;
1649 static int random_placement_method = RANDOM_USE_QUANTITY;
1650 static int random_placement_background_element = EL_SAND;
1651 static boolean random_placement_background_restricted = FALSE;
1652 static boolean stick_element_properties_window = FALSE;
1653 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1654 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1655 static struct ElementChangeInfo custom_element_change;
1656 static struct ElementGroupInfo group_element_info;
1657 static struct ElementInfo custom_element;
1658
1659 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1660 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1661 static int levelset_num_levels = 100;
1662 static boolean levelset_use_levelset_artwork = FALSE;
1663 static boolean levelset_copy_level_template = FALSE;
1664 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1665
1666 #define MAX_BD_COLORS                   7
1667 #define MAX_BD_COLOR_RGB_TEXT_LEN       7
1668
1669 static boolean bd_color_type_changed = FALSE;
1670 static int bd_color_c64[MAX_BD_COLORS];
1671 static char bd_color_rgb[MAX_BD_COLORS][MAX_BD_COLOR_RGB_TEXT_LEN + 1];
1672 static int bd_color_default[MAX_BD_COLORS];
1673 static int *bd_color[MAX_BD_COLORS] =
1674 {
1675   &level.bd_color_b,
1676   &level.bd_color_0,
1677   &level.bd_color_1,
1678   &level.bd_color_2,
1679   &level.bd_color_3,
1680   &level.bd_color_4,
1681   &level.bd_color_5,
1682 };
1683
1684 static struct
1685 {
1686   int gadget_type_id;
1687   int x, y;
1688   int min_value, max_value;
1689   int gadget_id_down, gadget_id_up;
1690   int gadget_id_text;
1691   int gadget_id_align;
1692   int *value;
1693   char *text_above, *text_left, *text_right;
1694 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1695 {
1696   // ---------- current level number ------------------------------------------
1697
1698   {
1699     ED_COUNTER_ID_SELECT_LEVEL,
1700     -1, -1,     // these values are not constant, but can change at runtime
1701     1,                                          100,
1702     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1703     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1704     &level_nr,
1705     NULL,                                       NULL, NULL
1706   },
1707
1708   // ---------- level and editor settings -------------------------------------
1709
1710   {
1711     ED_COUNTER_ID_LEVEL_XSIZE,
1712     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1713     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1714     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1715     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1716     &level.fieldx,
1717     "Playfield size:",                          NULL, "Width",
1718   },
1719   {
1720     ED_COUNTER_ID_LEVEL_YSIZE,
1721     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1722     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1723     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1724     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1725     &level.fieldy,
1726     NULL,                                       " ", "Height",
1727   },
1728   {
1729     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1730     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1731     0,                                          999,
1732     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1733     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1734     &level.gems_needed,
1735     NULL,                                       "Number of gems to collect:", NULL
1736   },
1737   {
1738     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1739     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1740     0,                                          9999,
1741     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1742     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1743     &level.time,
1744     "Time or step limit to solve level:",       NULL, NULL
1745   },
1746   {
1747     ED_COUNTER_ID_LEVEL_TIMESCORE,
1748     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1749     0,                                          999,
1750     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1751     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1752     &level.score[SC_TIME_BONUS],
1753     "Score for time or steps left:",            NULL, NULL
1754   },
1755   {
1756     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1757     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1758     0,                                          9999,
1759     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1760     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1761     &level.random_seed,
1762     NULL,                                       "Random seed:", "(0 => random)"
1763   },
1764   {
1765     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1766     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1767     1,                                          MAX_LEVELS,
1768     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1769     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1770     &levelset_num_levels,
1771     "Number of levels:",                        NULL, NULL,
1772   },
1773   {
1774     ED_COUNTER_ID_LEVEL_RANDOM,
1775     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1776     1,                                          100,
1777     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1778     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1779     &random_placement_value,
1780     "Random element placement:",                NULL, "in"
1781   },
1782   {
1783     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1784     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1785     50,                                         500,
1786     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1787     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1788     &level.bd_cycle_delay_ms,
1789     NULL,                                       NULL, "Game cycle delay (ms)"
1790   },
1791   {
1792     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1793     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1794     0,                                          32,
1795     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1796     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1797     &level.bd_cycle_delay_c64,
1798     NULL,                                       NULL, "Game cycle delay (C64-style)"
1799   },
1800   {
1801     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1802     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1803     1,                                          40,
1804     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1805     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1806     &level.bd_hatching_delay_cycles,
1807     NULL,                                       NULL, "Hatching delay (cycles)"
1808   },
1809   {
1810     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1811     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1812     1,                                          40,
1813     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1814     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1815     &level.bd_hatching_delay_seconds,
1816     NULL,                                       NULL, "Hatching delay (seconds)"
1817   },
1818
1819   // ---------- element settings: configure (various elements) ----------------
1820
1821   {
1822     ED_COUNTER_ID_BD_PUSHING_PROB,
1823     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1824     0,                                          100,
1825     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1826     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1827     &level.bd_pushing_prob,
1828     NULL,                                       NULL, "Push probability"
1829   },
1830   {
1831     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1832     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1833     0,                                          100,
1834     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1835     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1836     &level.bd_pushing_prob_with_sweet,
1837     NULL,                                       NULL, "Push probability with sweet"
1838   },
1839   {
1840     ED_COUNTER_ID_ELEMENT_VALUE1,
1841     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1842     MIN_SCORE,                                  MAX_SCORE,
1843     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1844     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1845     NULL,                                       // will be set when used
1846     NULL,                                       NULL, NULL
1847   },
1848   {
1849     ED_COUNTER_ID_ELEMENT_VALUE2,
1850     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1851     MIN_SCORE,                                  MAX_SCORE,
1852     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1853     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1854     NULL,                                       // will be set when used
1855     NULL,                                       NULL, NULL
1856   },
1857   {
1858     ED_COUNTER_ID_ELEMENT_VALUE3,
1859     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1860     MIN_SCORE,                                  MAX_SCORE,
1861     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1862     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1863     NULL,                                       // will be set when used
1864     NULL,                                       NULL, NULL
1865   },
1866   {
1867     ED_COUNTER_ID_ELEMENT_VALUE4,
1868     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1869     MIN_SCORE,                                  MAX_SCORE,
1870     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1871     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1872     NULL,                                       // will be set when used
1873     NULL,                                       NULL, NULL
1874   },
1875   {
1876     ED_COUNTER_ID_YAMYAM_CONTENT,
1877     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1878     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1879     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1880     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1881     &level.num_yamyam_contents,
1882     NULL,                                       NULL, "Number of content areas"
1883   },
1884   {
1885     ED_COUNTER_ID_BALL_CONTENT,
1886     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1887     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1888     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1889     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1890     &level.num_ball_contents,
1891     NULL,                                       NULL, "Number of content areas"
1892   },
1893   {
1894     ED_COUNTER_ID_ANDROID_CONTENT,
1895     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1896     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1897     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1898     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1899     &level.num_android_clone_elements,
1900     NULL,                                       NULL, "Number of clonable elements"
1901   },
1902   {
1903     ED_COUNTER_ID_ENVELOPE_XSIZE,
1904     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1905     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1906     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1907     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1908     NULL,                                       // will be set when used
1909     NULL,                                       NULL, "Width",
1910   },
1911   {
1912     ED_COUNTER_ID_ENVELOPE_YSIZE,
1913     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1914     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1915     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1916     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1917     NULL,                                       // will be set when used
1918     NULL,                                       " ", "Height",
1919   },
1920   {
1921     ED_COUNTER_ID_INVENTORY_SIZE,
1922     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1923     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1924     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1925     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1926     &level.initial_inventory_size[0],
1927     NULL,                                       NULL, "Number of inventory elements"
1928   },
1929   {
1930     ED_COUNTER_ID_MM_BALL_CONTENT,
1931     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1932     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1933     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1934     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1935     &level.num_mm_ball_contents,
1936     NULL,                                       NULL, "Number of content elements"
1937   },
1938
1939   // ---------- element settings: configure 1 (custom elements) ---------------
1940
1941   {
1942     ED_COUNTER_ID_CUSTOM_SCORE,
1943     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1944     MIN_SCORE,                                  MAX_SCORE,
1945     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1946     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1947     &custom_element.collect_score_initial,
1948     NULL,                                       "CE score", " "
1949   },
1950   {
1951     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1952     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1953     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1954     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1955     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1956     &custom_element.collect_count_initial,
1957     NULL,                                       "CE count", NULL
1958   },
1959   {
1960     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1961     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1962     0,                                          9999,
1963     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1964     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1965     &custom_element.ce_value_fixed_initial,
1966     NULL,                                       "CE value", NULL
1967   },
1968   {
1969     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1970     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1971     0,                                          9999,
1972     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1973     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1974     &custom_element.ce_value_random_initial,
1975     NULL,                                       "+random", NULL
1976   },
1977   {
1978     ED_COUNTER_ID_PUSH_DELAY_FIX,
1979     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1980     0,                                          999,
1981     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1982     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1983     &custom_element.push_delay_fixed,
1984     NULL,                                       "Push delay", NULL
1985   },
1986   {
1987     ED_COUNTER_ID_PUSH_DELAY_RND,
1988     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1989     0,                                          999,
1990     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1991     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1992     &custom_element.push_delay_random,
1993     NULL,                                       "+random", NULL
1994   },
1995   {
1996     ED_COUNTER_ID_DROP_DELAY_FIX,
1997     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1998     0,                                          999,
1999     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
2000     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2001     &custom_element.drop_delay_fixed,
2002     NULL,                                       "Drop delay", NULL
2003   },
2004   {
2005     ED_COUNTER_ID_DROP_DELAY_RND,
2006     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
2007     0,                                          999,
2008     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
2009     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
2010     &custom_element.drop_delay_random,
2011     NULL,                                       "+random", NULL
2012   },
2013
2014   // ---------- element settings: configure 2 (custom elements) ---------------
2015
2016   {
2017     ED_COUNTER_ID_MOVE_DELAY_FIX,
2018     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
2019     0,                                          999,
2020     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
2021     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2022     &custom_element.move_delay_fixed,
2023     NULL,                                       "Move delay", NULL
2024   },
2025   {
2026     ED_COUNTER_ID_MOVE_DELAY_RND,
2027     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
2028     0,                                          999,
2029     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
2030     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
2031     &custom_element.move_delay_random,
2032     NULL,                                       "+random", NULL
2033   },
2034   {
2035     ED_COUNTER_ID_STEP_DELAY_FIX,
2036     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
2037     0,                                          999,
2038     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
2039     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2040     &custom_element.step_delay_fixed,
2041     NULL,                                       "Step delay", NULL
2042   },
2043   {
2044     ED_COUNTER_ID_STEP_DELAY_RND,
2045     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
2046     0,                                          999,
2047     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
2048     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
2049     &custom_element.step_delay_random,
2050     NULL,                                       "+random", NULL
2051   },
2052   {
2053     ED_COUNTER_ID_EXPLOSION_DELAY,
2054     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
2055     0,                                          999,
2056     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
2057     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
2058     &custom_element.explosion_delay,
2059     NULL,                                       "Explosion delay", NULL
2060   },
2061   {
2062     ED_COUNTER_ID_IGNITION_DELAY,
2063     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
2064     0,                                          999,
2065     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
2066     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
2067     &custom_element.ignition_delay,
2068     NULL,                                       "Ignition delay", "(by fire)"
2069   },
2070
2071   // ---------- element settings: configure (group elements) ------------------
2072
2073   {
2074     ED_COUNTER_ID_GROUP_CONTENT,
2075     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2076     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
2077     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
2078     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
2079     &group_element_info.num_elements,
2080     NULL,                                       NULL, "Number of elements in group"
2081   },
2082
2083   // ---------- element settings: advanced (custom elements) ------------------
2084
2085   {
2086     ED_COUNTER_ID_CHANGE_DELAY_FIX,
2087     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
2088     0,                                          999,
2089     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2090     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
2091     &custom_element_change.delay_fixed,
2092     NULL,                                       "CE delay", NULL,
2093   },
2094   {
2095     ED_COUNTER_ID_CHANGE_DELAY_RND,
2096     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2097     0,                                          999,
2098     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
2099     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2100     &custom_element_change.delay_random,
2101     NULL,                                       "+random", NULL
2102   },
2103   {
2104     ED_COUNTER_ID_CHANGE_CONT_RND,
2105     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
2106     0,                                          100,
2107     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
2108     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
2109     &custom_element_change.random_percentage,
2110     NULL,                                       "Use random replace:", "%"
2111   },
2112 };
2113
2114 static struct
2115 {
2116   int gadget_type_id;
2117   int x, y;
2118   int gadget_id;
2119   int size;
2120   char *value;
2121   char *text_above, *text_left, *text_right, *infotext;
2122 } textinput_info[ED_NUM_TEXTINPUT] =
2123 {
2124   // ---------- level and editor settings -------------------------------------
2125
2126   {
2127     ED_TEXTINPUT_ID_LEVEL_NAME,
2128     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2129     GADGET_ID_LEVEL_NAME,
2130     MAX_LEVEL_NAME_LEN,
2131     level.name,
2132     "Title:", NULL, NULL,                       "Enter title for this level"
2133   },
2134   {
2135     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
2136     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2137     GADGET_ID_LEVEL_AUTHOR,
2138     MAX_LEVEL_AUTHOR_LEN,
2139     level.author,
2140     "Author:", NULL, NULL,                      "Enter author for this level"
2141   },
2142   {
2143     ED_TEXTINPUT_ID_LEVELSET_NAME,
2144     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2145     GADGET_ID_LEVELSET_NAME,
2146     MAX_LEVEL_NAME_LEN,
2147     levelset_name,
2148     "Title:", NULL, NULL,                       "Enter title for this or new level set"
2149   },
2150   {
2151     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
2152     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2153     GADGET_ID_LEVELSET_AUTHOR,
2154     MAX_LEVEL_AUTHOR_LEN,
2155     levelset_author,
2156     "Author:", NULL, NULL,                      "Enter author for this or new level set"
2157   },
2158
2159   // ---------- engine settings: colors ---------------------------------------
2160
2161   {
2162     ED_TEXTINPUT_ID_BD_COLOR_RGB_B,
2163     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
2164     GADGET_ID_BD_COLOR_RGB_B,
2165     MAX_BD_COLOR_RGB_TEXT_LEN,
2166     bd_color_rgb[0],
2167     NULL, "Border color:    ", NULL,            "Enter border color (not used)"
2168   },
2169   {
2170     ED_TEXTINPUT_ID_BD_COLOR_RGB_0,
2171     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
2172     GADGET_ID_BD_COLOR_RGB_0,
2173     MAX_BD_COLOR_RGB_TEXT_LEN,
2174     bd_color_rgb[1],
2175     NULL, "Background color:", NULL,            "Enter background color (C64 graphics)"
2176   },
2177   {
2178     ED_TEXTINPUT_ID_BD_COLOR_RGB_1,
2179     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
2180     GADGET_ID_BD_COLOR_RGB_1,
2181     MAX_BD_COLOR_RGB_TEXT_LEN,
2182     bd_color_rgb[2],
2183     NULL, "Sand color:      ", NULL,            "Enter sand color (C64 graphics)"
2184   },
2185   {
2186     ED_TEXTINPUT_ID_BD_COLOR_RGB_2,
2187     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
2188     GADGET_ID_BD_COLOR_RGB_2,
2189     MAX_BD_COLOR_RGB_TEXT_LEN,
2190     bd_color_rgb[3],
2191     NULL, "Steel wall color:", NULL,            "Enter steel wall color (C64 graphics)"
2192   },
2193   {
2194     ED_TEXTINPUT_ID_BD_COLOR_RGB_3,
2195     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(5),
2196     GADGET_ID_BD_COLOR_RGB_3,
2197     MAX_BD_COLOR_RGB_TEXT_LEN,
2198     bd_color_rgb[4],
2199     NULL, "Wall color:      ", NULL,            "Enter wall color (C64 graphics)"
2200   },
2201   {
2202     ED_TEXTINPUT_ID_BD_COLOR_RGB_4,
2203     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
2204     GADGET_ID_BD_COLOR_RGB_4,
2205     MAX_BD_COLOR_RGB_TEXT_LEN,
2206     bd_color_rgb[5],
2207     NULL, "Amoeba color:    ", NULL,            "Enter amoeba color (C64 graphics)"
2208   },
2209   {
2210     ED_TEXTINPUT_ID_BD_COLOR_RGB_5,
2211     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
2212     GADGET_ID_BD_COLOR_RGB_5,
2213     MAX_BD_COLOR_RGB_TEXT_LEN,
2214     bd_color_rgb[6],
2215     NULL, "Slime color:     ", NULL,            "Enter slime color (C64 graphics)"
2216   },
2217
2218   // ---------- element settings: configure (several elements) ----------------
2219
2220   {
2221     ED_TEXTINPUT_ID_ELEMENT_NAME,
2222     -1, -1,     // these values are not constant, but can change at runtime
2223     GADGET_ID_ELEMENT_NAME,
2224     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2225     custom_element.description,
2226     NULL, NULL, NULL,                           "Enter element name"
2227   }
2228 };
2229
2230 static struct
2231 {
2232   int gadget_type_id;
2233   int x, y;
2234   int gadget_id;
2235   int xsize, ysize;
2236   char *value;
2237   char *text_above, *text_above_cropped, *infotext;
2238 } textarea_info[ED_NUM_TEXTAREAS] =
2239 {
2240   {
2241     ED_TEXTAREA_ID_ENVELOPE_INFO,
2242     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2243     GADGET_ID_ENVELOPE_INFO,
2244     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2245     NULL,
2246     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2247   }
2248 };
2249
2250 static struct ValueTextInfo options_time_or_steps[] =
2251 {
2252   { 0,                                  "seconds"                       },
2253   { 1,                                  "steps"                         },
2254
2255   { -1,                                 NULL                            }
2256 };
2257
2258 static struct ValueTextInfo options_time_score_base[] =
2259 {
2260   { 1,                                  "per second/step"               },
2261   { 10,                                 "per 10 seconds/steps"          },
2262
2263   { -1,                                 NULL                            }
2264 };
2265
2266 static struct ValueTextInfo options_game_engine_type[] =
2267 {
2268   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2269   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2270   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2271   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2272   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2273
2274   { -1,                                 NULL                            }
2275 };
2276
2277 static struct ValueTextInfo options_levelset_save_mode[] =
2278 {
2279   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2280   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2281
2282   { -1,                                 NULL                            }
2283 };
2284
2285 static struct ValueTextInfo options_bd_gravity_direction[] =
2286 {
2287   { GD_MV_DOWN,                         "down"                          },
2288   { GD_MV_UP,                           "up"                            },
2289   { GD_MV_LEFT,                         "left"                          },
2290   { GD_MV_RIGHT,                        "right"                         },
2291
2292   { -1,                                 NULL                            }
2293 };
2294
2295 static struct ValueTextInfo options_wind_direction[] =
2296 {
2297   { MV_START_NONE,                      "none"                          },
2298   { MV_START_LEFT,                      "left"                          },
2299   { MV_START_RIGHT,                     "right"                         },
2300   { MV_START_UP,                        "up"                            },
2301   { MV_START_DOWN,                      "down"                          },
2302
2303   { -1,                                 NULL                            }
2304 };
2305
2306 static struct ValueTextInfo options_player_speed[] =
2307 {
2308   { 0,                                  "frozen"                        },
2309   { 1,                                  "very slow"                     },
2310   { 2,                                  "slow"                          },
2311   { 4,                                  "normal"                        },
2312   { 8,                                  "fast"                          },
2313   { 16,                                 "very fast"                     },
2314   { 32,                                 "ultrafast"                     },
2315
2316   { -1,                                 NULL                            }
2317 };
2318
2319 static struct ValueTextInfo options_access_type[] =
2320 {
2321   { EP_WALKABLE,                        "walkable"                      },
2322   { EP_PASSABLE,                        "passable"                      },
2323
2324   { -1,                                 NULL                            }
2325 };
2326
2327 static struct ValueTextInfo options_access_layer[] =
2328 {
2329   { EP_ACCESSIBLE_OVER,                 "over"                          },
2330   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2331   { EP_ACCESSIBLE_UNDER,                "under"                         },
2332
2333   { -1,                                 NULL                            }
2334 };
2335
2336 static struct ValueTextInfo options_access_protected[] =
2337 {
2338   { 0,                                  "unprotected"                   },
2339   { 1,                                  "protected"                     },
2340
2341   { -1,                                 NULL                            }
2342 };
2343
2344 static struct ValueTextInfo options_access_direction[] =
2345 {
2346   { MV_NO_DIRECTION,                    "no direction"                  },
2347   { MV_LEFT,                            "left"                          },
2348   { MV_RIGHT,                           "right"                         },
2349   { MV_UP,                              "up"                            },
2350   { MV_DOWN,                            "down"                          },
2351   { MV_LEFT  | MV_UP,                   "left + up"                     },
2352   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2353   { MV_RIGHT | MV_UP,                   "right + up"                    },
2354   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2355   { MV_HORIZONTAL,                      "horizontal"                    },
2356   { MV_VERTICAL,                        "vertical"                      },
2357   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2358   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2359   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2360   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2361   { MV_ALL_DIRECTIONS,                  "all directions"                },
2362
2363   { -1,                                 NULL                            }
2364 };
2365
2366 static struct ValueTextInfo options_walk_to_action[] =
2367 {
2368   { EP_DIGGABLE,                        "diggable"                      },
2369   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2370   { EP_DROPPABLE,                       "collectible & droppable"       },
2371   { EP_THROWABLE,                       "collectible & throwable"       },
2372   { EP_PUSHABLE,                        "pushable"                      },
2373
2374   { -1,                                 NULL                            }
2375 };
2376
2377 static struct ValueTextInfo options_move_pattern[] =
2378 {
2379   { MV_LEFT,                            "left"                          },
2380   { MV_RIGHT,                           "right"                         },
2381   { MV_UP,                              "up"                            },
2382   { MV_DOWN,                            "down"                          },
2383   { MV_HORIZONTAL,                      "horizontal"                    },
2384   { MV_VERTICAL,                        "vertical"                      },
2385   { MV_ALL_DIRECTIONS,                  "all directions"                },
2386   { MV_WIND_DIRECTION,                  "wind direction"                },
2387   { MV_TOWARDS_PLAYER,                  "towards player"                },
2388   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2389   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2390   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2391   { MV_TURNING_LEFT,                    "turning left"                  },
2392   { MV_TURNING_RIGHT,                   "turning right"                 },
2393   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2394   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2395   { MV_TURNING_RANDOM,                  "turning random"                },
2396   { MV_MAZE_RUNNER,                     "maze runner style"             },
2397   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2398   { MV_WHEN_PUSHED,                     "when pushed"                   },
2399   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2400
2401   { -1,                                 NULL                            }
2402 };
2403
2404 static struct ValueTextInfo options_move_direction[] =
2405 {
2406   { MV_START_AUTOMATIC,                 "automatic"                     },
2407   { MV_START_LEFT,                      "left"                          },
2408   { MV_START_RIGHT,                     "right"                         },
2409   { MV_START_UP,                        "up"                            },
2410   { MV_START_DOWN,                      "down"                          },
2411   { MV_START_RANDOM,                    "random"                        },
2412   { MV_START_PREVIOUS,                  "previous"                      },
2413
2414   { -1,                                 NULL                            }
2415 };
2416
2417 static struct ValueTextInfo options_move_stepsize[] =
2418 {
2419   { 0,                                  "not moving"                    },
2420   { 1,                                  "very slow"                     },
2421   { 2,                                  "slow"                          },
2422   { 4,                                  "normal"                        },
2423   { 8,                                  "fast"                          },
2424   { 16,                                 "very fast"                     },
2425   { 32,                                 "even faster"                   },
2426
2427   { -1,                                 NULL                            }
2428 };
2429
2430 static struct ValueTextInfo options_move_leave_type[] =
2431 {
2432   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2433   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2434
2435   { -1,                                 NULL                            }
2436 };
2437
2438 static struct ValueTextInfo options_smash_targets[] =
2439 {
2440   { EP_CAN_SMASH_PLAYER,                "player"                        },
2441 #if 0
2442   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2443 #endif
2444   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2445
2446   { -1,                                 NULL                            }
2447 };
2448
2449 static struct ValueTextInfo options_slippery_type[] =
2450 {
2451   { SLIPPERY_ANY_RANDOM,                "random"                        },
2452   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2453   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2454   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2455   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2456
2457   { -1,                                 NULL                            }
2458 };
2459
2460 static struct ValueTextInfo options_deadliness[] =
2461 {
2462   { EP_DONT_RUN_INTO,                   "running into"                  },
2463   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2464   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2465   { EP_DONT_TOUCH,                      "touching"                      },
2466
2467   { -1,                                 NULL                            }
2468 };
2469
2470 static struct ValueTextInfo options_explosion_type[] =
2471 {
2472   { EXPLODES_3X3,                       "3x3"                           },
2473   { EXPLODES_CROSS,                     "3+3"                           },
2474   { EXPLODES_1X1,                       "1x1"                           },
2475
2476   { -1,                                 NULL                            }
2477 };
2478
2479 static struct ValueTextInfo options_time_units[] =
2480 {
2481   { 1,                                  "frames"                        },
2482   { FRAMES_PER_SECOND,                  "seconds"                       },
2483
2484   { -1,                                 NULL                            }
2485 };
2486
2487 static struct ValueTextInfo options_change_direct_action[] =
2488 {
2489   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2490   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2491   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2492   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2493   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2494   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2495   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2496   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2497   { CE_SWITCHED,                        "switched"                      },
2498   { CE_HITTING_SOMETHING,               "hitting something"             },
2499   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2500 #if 0
2501   { CE_BLOCKED,                         "blocked"                       },
2502 #endif
2503   { CE_IMPACT,                          "impact (on something)"         },
2504   { CE_SMASHED,                         "smashed (from above)"          },
2505 #if 0
2506   { CE_VALUE_CHANGES,                   "CE value changes"              },
2507   { CE_SCORE_CHANGES,                   "CE score changes"              },
2508 #endif
2509   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2510   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2511   { CE_UNDEFINED,                       " "                             },
2512   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2513   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2514   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2515   { CE_UNDEFINED,                       " "                             },
2516   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2517   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2518
2519   { -1,                                 NULL                            }
2520 };
2521
2522 static struct ValueTextInfo options_change_other_action[] =
2523 {
2524   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2525   { CE_PLAYER_PRESSES_X,                "player presses"                },
2526   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2527   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2528   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2529   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2530   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2531   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2532   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2533   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2534   { CE_TOUCHING_X,                      "touching"                      },
2535   { CE_HITTING_X,                       "hitting"                       },
2536   { CE_DIGGING_X,                       "digging"                       },
2537   { CE_HIT_BY_X,                        "hit by"                        },
2538   { CE_SWITCH_OF_X,                     "switch of"                     },
2539   { CE_CHANGE_OF_X,                     "change by page of"             },
2540   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2541   { CE_MOVE_OF_X,                       "move of"                       },
2542   { CE_CREATION_OF_X,                   "creation of"                   },
2543   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2544   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2545   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2546   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2547   { CE_UNDEFINED,                       " "                             },
2548   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2549   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2550   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2551   { CE_UNDEFINED,                       " "                             },
2552   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2553   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2554   { CE_NEXT_TO_X,                       "next to"                       },
2555
2556   { -1,                                 NULL                            }
2557 };
2558
2559 static struct ValueTextInfo options_change_trigger_side[] =
2560 {
2561   { CH_SIDE_LEFT,                       "left"                          },
2562   { CH_SIDE_RIGHT,                      "right"                         },
2563   { CH_SIDE_TOP,                        "top"                           },
2564   { CH_SIDE_BOTTOM,                     "bottom"                        },
2565   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2566   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2567   { CH_SIDE_ANY,                        "any"                           },
2568
2569   { -1,                                 NULL                            }
2570 };
2571
2572 static struct ValueTextInfo options_change_trigger_player[] =
2573 {
2574   { CH_PLAYER_1,                        "1"                             },
2575   { CH_PLAYER_2,                        "2"                             },
2576   { CH_PLAYER_3,                        "3"                             },
2577   { CH_PLAYER_4,                        "4"                             },
2578   { CH_PLAYER_ANY,                      "any"                           },
2579
2580   { -1,                                 NULL                            }
2581 };
2582
2583 static struct ValueTextInfo options_change_trigger_page[] =
2584 {
2585   { (1u << 0),                          "1"                             },
2586   { (1u << 1),                          "2"                             },
2587   { (1u << 2),                          "3"                             },
2588   { (1u << 3),                          "4"                             },
2589   { (1u << 4),                          "5"                             },
2590   { (1u << 5),                          "6"                             },
2591   { (1u << 6),                          "7"                             },
2592   { (1u << 7),                          "8"                             },
2593   { (1u << 8),                          "9"                             },
2594   { (1u << 9),                          "10"                            },
2595   { (1u << 10),                         "11"                            },
2596   { (1u << 11),                         "12"                            },
2597   { (1u << 12),                         "13"                            },
2598   { (1u << 13),                         "14"                            },
2599   { (1u << 14),                         "15"                            },
2600   { (1u << 15),                         "16"                            },
2601   { (1u << 16),                         "17"                            },
2602   { (1u << 17),                         "18"                            },
2603   { (1u << 18),                         "19"                            },
2604   { (1u << 19),                         "20"                            },
2605   { (1u << 20),                         "21"                            },
2606   { (1u << 21),                         "22"                            },
2607   { (1u << 22),                         "23"                            },
2608   { (1u << 23),                         "24"                            },
2609   { (1u << 24),                         "25"                            },
2610   { (1u << 25),                         "26"                            },
2611   { (1u << 26),                         "27"                            },
2612   { (1u << 27),                         "28"                            },
2613   { (1u << 28),                         "29"                            },
2614   { (1u << 29),                         "30"                            },
2615   { (1u << 30),                         "31"                            },
2616   { (1u << 31),                         "32"                            },
2617   { CH_PAGE_ANY,                        "any"                           },
2618
2619   { -1,                                 NULL                            }
2620 };
2621
2622 static struct ValueTextInfo options_change_replace_when[] =
2623 {
2624   { CP_WHEN_EMPTY,                      "empty"                         },
2625   { CP_WHEN_WALKABLE,                   "walkable"                      },
2626   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2627   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2628   { CP_WHEN_REMOVABLE,                  "removable"                     },
2629   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2630
2631   { -1,                                 NULL                            }
2632 };
2633
2634 static struct ValueTextInfo options_action_type[] =
2635 {
2636   { CA_NO_ACTION,                       "no action"                     },
2637   { CA_UNDEFINED,                       " "                             },
2638   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2639   { CA_RESTART_LEVEL,                   "restart level"                 },
2640   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2641   { CA_SET_LEVEL_TIME,                  "set time"                      },
2642   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2643   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2644   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2645   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2646   { CA_UNDEFINED,                       " "                             },
2647   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2648   { CA_MOVE_PLAYER,                     "move player"                   },
2649   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2650   { CA_EXIT_PLAYER,                     "exit player"                   },
2651   { CA_KILL_PLAYER,                     "kill player"                   },
2652   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2653   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2654   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2655   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2656   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2657   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2658   { CA_UNDEFINED,                       " "                             },
2659   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2660   { CA_SET_CE_VALUE,                    "set CE value"                  },
2661   { CA_SET_CE_SCORE,                    "set CE score"                  },
2662   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2663   { CA_UNDEFINED,                       " "                             },
2664   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2665   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2666
2667   { -1,                                 NULL                            }
2668 };
2669
2670 static struct ValueTextInfo options_action_mode_none[] =
2671 {
2672   { CA_MODE_UNDEFINED,                  " "                             },
2673
2674   { -1,                                 NULL                            }
2675 };
2676
2677 static struct ValueTextInfo options_action_mode_assign[] =
2678 {
2679   { CA_MODE_SET,                        "="                             },
2680
2681   { -1,                                 NULL                            }
2682 };
2683
2684 static struct ValueTextInfo options_action_mode_add_remove[] =
2685 {
2686   { CA_MODE_ADD,                        "+"                             },
2687   { CA_MODE_SUBTRACT,                   "-"                             },
2688
2689   { -1,                                 NULL                            }
2690 };
2691
2692 static struct ValueTextInfo options_action_mode_calculate[] =
2693 {
2694   { CA_MODE_SET,                        "="                             },
2695   { CA_MODE_ADD,                        "+"                             },
2696   { CA_MODE_SUBTRACT,                   "-"                             },
2697   { CA_MODE_MULTIPLY,                   "*"                             },
2698   { CA_MODE_DIVIDE,                     "/"                             },
2699   { CA_MODE_MODULO,                     "%"                             },
2700
2701   { -1,                                 NULL                            }
2702 };
2703
2704 static struct ValueTextInfo options_action_arg_none[] =
2705 {
2706   { CA_ARG_UNDEFINED,                   "         "                     },
2707
2708   { -1,                                 NULL                            }
2709 };
2710
2711 static struct ValueTextInfo options_action_arg_player[] =
2712 {
2713   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2714   { CA_ARG_PLAYER_1,                    "1"                             },
2715   { CA_ARG_PLAYER_2,                    "2"                             },
2716   { CA_ARG_PLAYER_3,                    "3"                             },
2717   { CA_ARG_PLAYER_4,                    "4"                             },
2718   { CA_ARG_PLAYER_ANY,                  "any"                           },
2719   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2720   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2721
2722   { -1,                                 NULL                            }
2723 };
2724
2725 static struct ValueTextInfo options_action_arg_number[] =
2726 {
2727   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2728   { CA_ARG_0,                           "0"                             },
2729   { CA_ARG_1,                           "1"                             },
2730   { CA_ARG_2,                           "2"                             },
2731   { CA_ARG_3,                           "3"                             },
2732   { CA_ARG_4,                           "4"                             },
2733   { CA_ARG_5,                           "5"                             },
2734   { CA_ARG_10,                          "10"                            },
2735   { CA_ARG_100,                         "100"                           },
2736   { CA_ARG_1000,                        "1000"                          },
2737   { CA_ARG_UNDEFINED,                   " "                             },
2738   { CA_ARG_NUMBER_MIN,                  "min"                           },
2739   { CA_ARG_NUMBER_MAX,                  "max"                           },
2740   { CA_ARG_UNDEFINED,                   " "                             },
2741   { CA_ARG_NUMBER_RESET,                "reset"                         },
2742   { CA_ARG_UNDEFINED,                   " "                             },
2743   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2744   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2745   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2746   { CA_ARG_UNDEFINED,                   " "                             },
2747   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2748   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2749   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2750   { CA_ARG_UNDEFINED,                   " "                             },
2751   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2752   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2753   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2754   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2755   { CA_ARG_UNDEFINED,                   " "                             },
2756   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2757   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2758   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2759   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2760
2761   { -1,                                 NULL                            }
2762 };
2763
2764 static struct ValueTextInfo options_action_arg_value[] =
2765 {
2766   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2767   { CA_ARG_0,                           "0"                             },
2768   { CA_ARG_1,                           "1"                             },
2769   { CA_ARG_2,                           "2"                             },
2770   { CA_ARG_3,                           "3"                             },
2771   { CA_ARG_4,                           "4"                             },
2772   { CA_ARG_5,                           "5"                             },
2773   { CA_ARG_10,                          "10"                            },
2774   { CA_ARG_100,                         "100"                           },
2775   { CA_ARG_1000,                        "1000"                          },
2776   { CA_ARG_UNDEFINED,                   " "                             },
2777   { CA_ARG_NUMBER_MIN,                  "min"                           },
2778   { CA_ARG_NUMBER_MAX,                  "max"                           },
2779   { CA_ARG_UNDEFINED,                   " "                             },
2780   { CA_ARG_NUMBER_RESET,                "reset"                         },
2781   { CA_ARG_UNDEFINED,                   " "                             },
2782   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2783   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2784   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2785   { CA_ARG_UNDEFINED,                   " "                             },
2786   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2787   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2788   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2789   { CA_ARG_UNDEFINED,                   " "                             },
2790   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2791   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2792   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2793   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2794   { CA_ARG_UNDEFINED,                   " "                             },
2795   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2796   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2797   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2798   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2799   { CA_ARG_UNDEFINED,                   " "                             },
2800   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2801   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2802   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2803   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2804
2805   { -1,                                 NULL                            }
2806 };
2807
2808 static struct ValueTextInfo options_action_arg_envelope[] =
2809 {
2810   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2811   { CA_ARG_1,                           "1"                             },
2812   { CA_ARG_2,                           "2"                             },
2813   { CA_ARG_3,                           "3"                             },
2814   { CA_ARG_4,                           "4"                             },
2815   { CA_ARG_UNDEFINED,                   " "                             },
2816   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2817   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2818   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2819   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2820
2821   { -1,                                 NULL                            }
2822 };
2823
2824 static struct ValueTextInfo options_action_arg_key[] =
2825 {
2826   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2827   { CA_ARG_1,                           "1"                             },
2828   { CA_ARG_2,                           "2"                             },
2829   { CA_ARG_3,                           "3"                             },
2830   { CA_ARG_4,                           "4"                             },
2831   { CA_ARG_5,                           "5"                             },
2832   { CA_ARG_6,                           "6"                             },
2833   { CA_ARG_7,                           "7"                             },
2834   { CA_ARG_8,                           "8"                             },
2835   { CA_ARG_UNDEFINED,                   " "                             },
2836   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2837   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2838   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2839   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2840
2841   { -1,                                 NULL                            }
2842 };
2843
2844 static struct ValueTextInfo options_action_arg_speed[] =
2845 {
2846   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2847   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2848   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2849   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2850   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2851   { CA_ARG_SPEED_FAST,                  "fast"                          },
2852   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2853   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2854   { CA_ARG_UNDEFINED,                   " "                             },
2855   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2856   { CA_ARG_SPEED_FASTER,                "faster"                        },
2857   { CA_ARG_UNDEFINED,                   " "                             },
2858   { CA_ARG_SPEED_RESET,                 "reset"                         },
2859
2860   { -1,                                 NULL                            }
2861 };
2862
2863 static struct ValueTextInfo options_action_arg_shield[] =
2864 {
2865   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2866   { CA_ARG_SHIELD_OFF,                  "off"                           },
2867   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2868   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2869
2870   { -1,                                 NULL                            }
2871 };
2872
2873 static struct ValueTextInfo options_action_arg_artwork[] =
2874 {
2875   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2876   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2877   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2878   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2879   { CA_ARG_UNDEFINED,                   " "                             },
2880   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2881
2882   { -1,                                 NULL                            }
2883 };
2884
2885 static struct ValueTextInfo options_action_arg_gravity[] =
2886 {
2887   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2888   { CA_ARG_GRAVITY_ON,                  "on"                            },
2889   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2890   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2891
2892   { -1,                                 NULL                            }
2893 };
2894
2895 static struct ValueTextInfo options_action_arg_direction[] =
2896 {
2897   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2898   { CA_ARG_DIRECTION_NONE,              "none"                          },
2899   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2900   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2901   { CA_ARG_DIRECTION_UP,                "up"                            },
2902   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2903   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2904   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2905
2906   { -1,                                 NULL                            }
2907 };
2908
2909 static struct ValueTextInfo options_action_arg_scan_mode[] =
2910 {
2911   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2912   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2913   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2914
2915   { -1,                                 NULL                            }
2916 };
2917
2918 static struct ValueTextInfo options_action_arg_inventory[] =
2919 {
2920   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2921   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2922   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2923   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2924   { CA_ARG_UNDEFINED,                   " "                             },
2925   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2926   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2927   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2928   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2929   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2930   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2931   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2932   { CA_ARG_UNDEFINED,                   " "                             },
2933   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2934
2935   { -1,                                 NULL                            }
2936 };
2937
2938 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2939 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2940 {
2941   { -1,                                 NULL                            }
2942 };
2943
2944 static struct ValueTextInfo options_group_choice_mode[] =
2945 {
2946   { ANIM_RANDOM,                        "random"                        },
2947   { ANIM_LOOP,                          "loop"                          },
2948   { ANIM_LINEAR,                        "linear"                        },
2949   { ANIM_PINGPONG,                      "pingpong"                      },
2950   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2951   { ANIM_LEVEL_NR,                      "level number"                  },
2952
2953   { -1,                                 NULL                            }
2954 };
2955
2956 static struct ValueTextInfo options_bd_scheduling_type[] =
2957 {
2958   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2959   { GD_SCHEDULING_BD1,                  "BD1"                           },
2960   { GD_SCHEDULING_BD2,                  "BD2"                           },
2961   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2962   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2963   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2964   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2965
2966   { -1,                                   NULL                          }
2967 };
2968
2969 static struct ValueTextInfo options_bd_color_type[] =
2970 {
2971   { GD_COLOR_TYPE_C64,                  "C64 colors"                    },
2972   { GD_COLOR_TYPE_RGB,                  "RGB colors"                    },
2973
2974   { -1,                                   NULL                          }
2975 };
2976
2977 static struct ValueTextInfo options_bd_color_c64_name[] =
2978 {
2979   { GD_COLOR_INDEX_BLACK,               "Black"                         },
2980   { GD_COLOR_INDEX_WHITE,               "White"                         },
2981   { GD_COLOR_INDEX_RED,                 "Red"                           },
2982   { GD_COLOR_INDEX_CYAN,                "Cyan"                          },
2983   { GD_COLOR_INDEX_PURPLE,              "Purple"                        },
2984   { GD_COLOR_INDEX_GREEN,               "Green"                         },
2985   { GD_COLOR_INDEX_BLUE,                "Blue"                          },
2986   { GD_COLOR_INDEX_YELLOW,              "Yellow"                        },
2987   { GD_COLOR_INDEX_ORANGE,              "Orange"                        },
2988   { GD_COLOR_INDEX_BROWN,               "Brown"                         },
2989   { GD_COLOR_INDEX_LIGHTRED,            "Light red"                     },
2990   { GD_COLOR_INDEX_GRAY1,               "Dark gray"                     },
2991   { GD_COLOR_INDEX_GRAY2,               "Gray"                          },
2992   { GD_COLOR_INDEX_LIGHTGREEN,          "Light green"                   },
2993   { GD_COLOR_INDEX_LIGHTBLUE,           "Light blue"                    },
2994   { GD_COLOR_INDEX_GRAY3,               "Light gray"                    },
2995
2996   { -1,                                   NULL                          }
2997 };
2998
2999 static struct ValueTextInfo *action_arg_modes[] =
3000 {
3001   options_action_mode_none,
3002   options_action_mode_assign,
3003   options_action_mode_add_remove,
3004   options_action_mode_calculate,
3005 };
3006
3007 static struct
3008 {
3009   int value;
3010   int mode;
3011   struct ValueTextInfo *options;
3012 }
3013 action_arg_options[] =
3014 {
3015   { CA_NO_ACTION,               0,      options_action_arg_none,        },
3016   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
3017   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
3018   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
3019   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
3020   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
3021   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
3022   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
3023   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
3024   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
3025   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
3026   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
3027   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
3028   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
3029   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
3030   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
3031   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
3032   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
3033   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
3034   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
3035   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
3036   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
3037
3038   { -1,                         FALSE,  NULL                            }
3039 };
3040
3041 static struct
3042 {
3043   int gadget_type_id;
3044   int x, y;
3045   int gadget_id;
3046   int gadget_id_align;
3047   int size;     // char size of selectbox or '-1' (dynamically determined)
3048   struct ValueTextInfo *options;
3049   int *value;
3050   char *text_above, *text_left, *text_right, *infotext;
3051 } selectbox_info[ED_NUM_SELECTBOX] =
3052 {
3053   // ---------- level and editor settings -------------------------------------
3054
3055   {
3056     ED_SELECTBOX_ID_TIME_OR_STEPS,
3057     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
3058     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
3059     -1,
3060     options_time_or_steps,
3061     &level.use_step_counter,
3062     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
3063   },
3064   {
3065     ED_SELECTBOX_ID_TIME_SCORE_BASE,
3066     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
3067     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
3068     -1,
3069     options_time_score_base,
3070     &level.time_score_base,
3071     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
3072   },
3073   {
3074     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
3075     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
3076     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
3077     -1,
3078     options_game_engine_type,
3079     &level.game_engine_type,
3080     NULL, "Game engine:", NULL,                 "Select game engine"
3081   },
3082   {
3083     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
3084     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3085     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
3086     -1,
3087     options_levelset_save_mode,
3088     &levelset_save_mode,
3089     "Action:", NULL, NULL,                      "Select action when saving level set"
3090   },
3091
3092   // ---------- engine settings: config ---------------------------------------
3093
3094   {
3095     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
3096     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
3097     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
3098     -1,
3099     options_bd_scheduling_type,
3100     &level.bd_scheduling_type,
3101     NULL, "Scheduling type:", NULL,             "Select level timing"
3102   },
3103
3104   // ---------- engine settings: colors ---------------------------------------
3105
3106   {
3107     ED_SELECTBOX_ID_BD_COLOR_TYPE,
3108     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3109     GADGET_ID_BD_COLOR_TYPE,                    GADGET_ID_NONE,
3110     -1,
3111     options_bd_color_type,
3112     &level.bd_color_type,
3113     "Boulder Dash game engine colors:",
3114     "Color palette type:", NULL,                "Select color palette type"
3115   },
3116   {
3117     ED_SELECTBOX_ID_BD_COLOR_C64_B,
3118     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
3119     GADGET_ID_BD_COLOR_C64_B,                   GADGET_ID_NONE,
3120     -1,
3121     options_bd_color_c64_name,
3122     &bd_color_c64[0],
3123     NULL, "Border color:    ", NULL,            "Select border color (not used)"
3124   },
3125   {
3126     ED_SELECTBOX_ID_BD_COLOR_C64_0,
3127     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3128     GADGET_ID_BD_COLOR_C64_0,                   GADGET_ID_NONE,
3129     -1,
3130     options_bd_color_c64_name,
3131     &bd_color_c64[1],
3132     NULL, "Background color:", NULL,            "Select background color (C64 graphics)"
3133   },
3134   {
3135     ED_SELECTBOX_ID_BD_COLOR_C64_1,
3136     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
3137     GADGET_ID_BD_COLOR_C64_1,                   GADGET_ID_NONE,
3138     -1,
3139     options_bd_color_c64_name,
3140     &bd_color_c64[2],
3141     NULL, "Sand color:      ", NULL,            "Select sand color (C64 graphics)"
3142   },
3143   {
3144     ED_SELECTBOX_ID_BD_COLOR_C64_2,
3145     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
3146     GADGET_ID_BD_COLOR_C64_2,                   GADGET_ID_NONE,
3147     -1,
3148     options_bd_color_c64_name,
3149     &bd_color_c64[3],
3150     NULL, "Steel wall color:", NULL,            "Select steel wall color (C64 graphics)"
3151   },
3152   {
3153     ED_SELECTBOX_ID_BD_COLOR_C64_3,
3154     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(5),
3155     GADGET_ID_BD_COLOR_C64_3,                   GADGET_ID_NONE,
3156     -1,
3157     options_bd_color_c64_name,
3158     &bd_color_c64[4],
3159     NULL, "Wall color:      ", NULL,            "Select wall color (C64 graphics)"
3160   },
3161   {
3162     ED_SELECTBOX_ID_BD_COLOR_C64_4,
3163     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3164     GADGET_ID_BD_COLOR_C64_4,                   GADGET_ID_NONE,
3165     -1,
3166     options_bd_color_c64_name,
3167     &bd_color_c64[5],
3168     NULL, "Amoeba color:    ", NULL,            "Select amoeba color (C64 graphics)"
3169   },
3170   {
3171     ED_SELECTBOX_ID_BD_COLOR_C64_5,
3172     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3173     GADGET_ID_BD_COLOR_C64_5,                   GADGET_ID_NONE,
3174     -1,
3175     options_bd_color_c64_name,
3176     &bd_color_c64[6],
3177     NULL, "Slime color:     ", NULL,            "Select slime color (C64 graphics)"
3178   },
3179
3180   // ---------- element settings: configure (several elements) ----------------
3181
3182   {
3183     ED_SELECTBOX_ID_WIND_DIRECTION,
3184     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3185     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
3186     -1,
3187     options_wind_direction,
3188     &level.wind_direction_initial,
3189     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
3190   },
3191   {
3192     ED_SELECTBOX_ID_PLAYER_SPEED,
3193     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
3194     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
3195     -1,
3196     options_player_speed,
3197     &level.initial_player_stepsize[0],
3198     NULL, "Initial player speed:", NULL,        "Select initial player speed"
3199   },
3200   {
3201     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
3202     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3203     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
3204     -1,
3205     options_bd_gravity_direction,
3206     &level.bd_gravity_direction,
3207     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
3208   },
3209   {
3210     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
3211     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3212     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
3213     -1,
3214     options_group_choice_mode,
3215     &level.mm_ball_choice_mode,
3216     NULL, "Choice type:", NULL,                 "Select type of content choice"
3217   },
3218
3219   // ---------- element settings: configure 1 (custom elements) ---------------
3220
3221   {
3222     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
3223     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3224     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
3225     -1,
3226     options_access_type,
3227     &custom_element.access_type,
3228     NULL, NULL, NULL,                           "Select type of access to this field"
3229   },
3230   {
3231     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
3232     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3233     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
3234     -1,
3235     options_access_layer,
3236     &custom_element.access_layer,
3237     NULL, NULL, NULL,                           "Select layer of access for this field"
3238   },
3239   {
3240     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
3241     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3242     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
3243     -1,
3244     options_access_protected,
3245     &custom_element.access_protected,
3246     NULL, NULL, NULL,                           "Select protected access for this field"
3247   },
3248   {
3249     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
3250     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3251     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
3252     -1,
3253     options_access_direction,
3254     &custom_element.access_direction,
3255     NULL, "from", NULL,                         "Select access direction for this field"
3256   },
3257   {
3258     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
3259     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3260     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
3261     -1,
3262     options_walk_to_action,
3263     &custom_element.walk_to_action,
3264     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
3265   },
3266
3267   // ---------- element settings: configure 2 (custom elements) ---------------
3268
3269   {
3270     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
3271     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
3272     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
3273     -1,
3274     options_move_pattern,
3275     &custom_element.move_pattern,
3276     NULL, "Can move", NULL,                     "Select element move pattern"
3277   },
3278   {
3279     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
3280     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3281     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
3282     -1,
3283     options_move_direction,
3284     &custom_element.move_direction_initial,
3285     NULL, "Starts moving", NULL,                "Select initial element move direction"
3286   },
3287   {
3288     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
3289     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3290     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
3291     -1,
3292     options_move_stepsize,
3293     &custom_element.move_stepsize,
3294     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
3295   },
3296   {
3297     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
3298     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3299     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
3300     -1,
3301     options_move_leave_type,
3302     &custom_element.move_leave_type,
3303     // left text with leading spaces to place gadget next to "can dig" gadget
3304     // (needed because drawing area gadgets created after selectbox gadgets)
3305     // NULL, "can dig:    can", ":",            "leave behind or change element"
3306     NULL, "            Can", ":",               "Select leave behind or change element"
3307   },
3308   {
3309     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
3310     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
3311     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
3312     -1,
3313     options_smash_targets,
3314     &custom_element.smash_targets,
3315     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
3316   },
3317   {
3318     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
3319     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
3320     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
3321     -1,
3322     options_slippery_type,
3323     &custom_element.slippery_type,
3324     NULL, "Slippery", NULL,                     "Select where other elements fall down"
3325   },
3326   {
3327     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
3328     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
3329     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
3330     -1,
3331     options_deadliness,
3332     &custom_element.deadliness,
3333     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3334   },
3335   {
3336     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3337     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3338     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3339     -1,
3340     options_explosion_type,
3341     &custom_element.explosion_type,
3342     NULL, "Can explode", NULL,                  "Select explosion type"
3343   },
3344
3345   // ---------- element settings: advanced (custom elements) ------------------
3346
3347   {
3348     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3349     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3350     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3351     -1,
3352     options_time_units,
3353     &custom_element_change.delay_frames,
3354     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3355   },
3356   {
3357     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3358     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3359     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3360     -1,
3361     options_change_direct_action,
3362     &custom_element_change.direct_action,
3363     NULL, NULL, NULL,                           "Select type of direct action"
3364   },
3365   {
3366     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3367     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3368     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3369     -1,
3370     options_change_other_action,
3371     &custom_element_change.other_action,
3372     NULL, NULL, "element:",                     "Select type of other element action"
3373   },
3374   {
3375     ED_SELECTBOX_ID_CHANGE_SIDE,
3376     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3377     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3378     -1,
3379     options_change_trigger_side,
3380     &custom_element_change.trigger_side,
3381     NULL, "at", "side",                         "Select element side triggering change"
3382   },
3383   {
3384     ED_SELECTBOX_ID_CHANGE_PLAYER,
3385     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3386     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3387     -1,
3388     options_change_trigger_player,
3389     &custom_element_change.trigger_player,
3390     NULL, "Player:", " ",                       "Select player that causes change"
3391   },
3392   {
3393     ED_SELECTBOX_ID_CHANGE_PAGE,
3394     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3395     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3396     -1,
3397     options_change_trigger_page,
3398     &custom_element_change.trigger_page,
3399     NULL, "Page:", NULL,                        "Select change page that causes change"
3400   },
3401   {
3402     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3403     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3404     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3405     -1,
3406     options_change_replace_when,
3407     &custom_element_change.replace_when,
3408     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3409   },
3410   {
3411     ED_SELECTBOX_ID_ACTION_TYPE,
3412     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3413     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3414     15,
3415     options_action_type,
3416     &custom_element_change.action_type,
3417     NULL, NULL, NULL,                           "Select action on specified condition"
3418   },
3419   {
3420     ED_SELECTBOX_ID_ACTION_MODE,
3421     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3422     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3423     -1,
3424     options_action_mode_none,
3425     &custom_element_change.action_mode,
3426     NULL, NULL, NULL,                           "Select action operator"
3427   },
3428   {
3429     ED_SELECTBOX_ID_ACTION_ARG,
3430     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3431     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3432     -1,
3433     options_action_arg_none,
3434     &custom_element_change.action_arg,
3435     NULL, NULL, NULL,                           "Select action parameter"
3436   },
3437   {
3438     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3439     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3440     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3441     3,
3442     options_change_page,
3443     &custom_element.current_change_page,
3444     NULL, NULL, NULL,                           "Select element change page"
3445   },
3446
3447   // ---------- element settings: configure (group elements) ------------------
3448
3449   {
3450     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3451     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3452     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3453     -1,
3454     options_group_choice_mode,
3455     &group_element_info.choice_mode,
3456     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3457   },
3458 };
3459
3460 static struct
3461 {
3462   int gadget_type_id;
3463   int x, y;
3464   int gadget_id;
3465   int gadget_id_align;
3466   int size;
3467   char *text;
3468   char *text_above, *text_left, *text_right, *infotext;
3469 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3470 {
3471   // ---------- level and editor settings (tabs) ------------------------------
3472
3473   {
3474     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3475     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3476     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3477     8,                                          "Level",
3478     NULL, NULL, NULL,                           "Configure level settings"
3479   },
3480   {
3481     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3482     -1,                                         -1,
3483     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3484     8,                                          "Levelset",
3485     NULL, NULL, NULL,                           "Update this or create new level set"
3486   },
3487   {
3488     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3489     -1,                                         -1,
3490     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3491     8,                                          "Editor",
3492     NULL, NULL, NULL,                           "Configure editor settings"
3493   },
3494   {
3495     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3496     -1,                                         -1,
3497     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3498     8,                                          "Engine",
3499     NULL, NULL, NULL,                           "Configure game engine settings"
3500   },
3501
3502   // ---------- engine settings (tabs) ----------------------------------------
3503
3504   {
3505     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
3506     ED_ENGINE_TABS_XPOS(0),                     ED_ENGINE_TABS_YPOS(0),
3507     GADGET_ID_ENGINECONFIG_CONFIG,              GADGET_ID_NONE,
3508     8,                                          "Config",
3509     NULL, NULL, NULL,                           "Configure game engine settings"
3510   },
3511   {
3512     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
3513     -1,                                         -1,
3514     GADGET_ID_ENGINECONFIG_COLORS,              GADGET_ID_ENGINECONFIG_CONFIG,
3515     8,                                          "Colors",
3516     NULL, NULL, NULL,                           "Configure game engine colors"
3517   },
3518
3519   // ---------- element settings (tabs) ---------------------------------------
3520
3521   {
3522     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3523     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3524     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3525     8,                                          "Info",
3526     NULL, NULL, NULL,                           "Show information about element"
3527   },
3528   {
3529     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3530     -1,                                         -1,
3531     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3532     8,                                          "Config",
3533     NULL, NULL, NULL,                           "Configure element properties"
3534   },
3535   {
3536     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3537     -1,                                         -1,
3538     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3539     8,                                          "Config 1",
3540     NULL, NULL, NULL,                           "Configure element properties, part 1"
3541   },
3542   {
3543     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3544     -1,                                         -1,
3545     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3546     8,                                          "Config 2",
3547     NULL, NULL, NULL,                           "Configure element properties, part 2"
3548   },
3549   {
3550     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3551     -1,                                         -1,
3552     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3553     8,                                          "Change",
3554     NULL, NULL, NULL,                           "Configure custom element change pages"
3555   },
3556
3557   // ---------- level and editor settings (buttons) ---------------------------
3558
3559   {
3560     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3561     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3562     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3563     -1,                                         "Save",
3564     NULL, NULL, NULL,                           "Update or create level set"
3565   },
3566   {
3567     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3568     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3569     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3570     -1,                                         "Save",
3571     NULL, NULL,                                 "this level as level template",
3572     "Save current settings as new template"
3573   },
3574
3575   // ---------- element settings (buttons) ------------------------------------
3576
3577   {
3578     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3579     -1,                                         -1,
3580     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3581     -1,                                         "Save",
3582     NULL, " ",                                  "As Template",
3583     "Save current settings as new template"
3584   },
3585   {
3586     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3587     -1,                                         -1,
3588     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3589     -1,                                         "New",
3590     NULL, NULL, NULL,                           "Add new change page"
3591   },
3592   {
3593     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3594     -1,                                         -1,
3595     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3596     -1,                                         "Delete",
3597     NULL, NULL, NULL,                           "Delete current change page"
3598   },
3599 };
3600
3601 static struct
3602 {
3603   int gadget_type_id;
3604   int graphic;
3605   int x, y;
3606   int gadget_id;
3607   int gadget_id_align;
3608   char *text_left, *text_right, *infotext;
3609 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3610 {
3611   {
3612     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3613     IMG_EDITOR_COUNTER_DOWN,
3614     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3615     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3616     NULL, NULL,                                 "Select previous change page"
3617   },
3618   {
3619     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3620     IMG_EDITOR_COUNTER_UP,
3621     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3622     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3623     NULL, "Change page",                        "Select next change page"
3624   },
3625   {
3626     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3627     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3628     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3629     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3630     " ", NULL,                                  "Copy settings from this change page"
3631   },
3632   {
3633     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3634     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3635     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3636     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3637     NULL, NULL,                                 "Paste settings to this change page"
3638   },
3639 };
3640
3641 static struct
3642 {
3643   int x, y;
3644 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3645
3646 static struct
3647 {
3648   int gadget_type_id;
3649   int graphic;
3650   int gadget_id;
3651   char *infotext;
3652 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3653 {
3654   {
3655     ED_SCROLLBUTTON_ID_AREA_UP,
3656     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3657     GADGET_ID_SCROLL_UP,
3658     "Scroll level editing area up"
3659   },
3660   {
3661     ED_SCROLLBUTTON_ID_AREA_DOWN,
3662     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3663     GADGET_ID_SCROLL_DOWN,
3664     "Scroll level editing area down"
3665   },
3666   {
3667     ED_SCROLLBUTTON_ID_AREA_LEFT,
3668     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3669     GADGET_ID_SCROLL_LEFT,
3670     "Scroll level editing area left"
3671   },
3672   {
3673     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3674     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3675     GADGET_ID_SCROLL_RIGHT,
3676     "Scroll level editing area right"
3677   },
3678   {
3679     ED_SCROLLBUTTON_ID_LIST_UP,
3680     IMG_EDITOR_PALETTE_SCROLL_UP,
3681     GADGET_ID_SCROLL_LIST_UP,
3682     "Scroll element list up ('Page Up')"
3683   },
3684   {
3685     ED_SCROLLBUTTON_ID_LIST_DOWN,
3686     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3687     GADGET_ID_SCROLL_LIST_DOWN,
3688     "Scroll element list down ('Page Down')"
3689   },
3690 };
3691
3692 static struct
3693 {
3694   int x, y;
3695   int width, height;
3696   int wheel_x, wheel_y;
3697   int wheel_width, wheel_height;
3698 } scrollbar_pos[ED_NUM_SCROLLBARS];
3699
3700 static struct
3701 {
3702   int gadget_type_id;
3703   int graphic;
3704   int type;
3705   int gadget_id;
3706   char *infotext;
3707 } scrollbar_info[ED_NUM_SCROLLBARS] =
3708 {
3709   {
3710     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3711     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3712     GD_TYPE_SCROLLBAR_HORIZONTAL,
3713     GADGET_ID_SCROLL_HORIZONTAL,
3714     "Scroll level editing area horizontally"
3715   },
3716   {
3717     ED_SCROLLBAR_ID_AREA_VERTICAL,
3718     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3719     GD_TYPE_SCROLLBAR_VERTICAL,
3720     GADGET_ID_SCROLL_VERTICAL,
3721     "Scroll level editing area vertically"
3722   },
3723   {
3724     ED_SCROLLBAR_ID_LIST_VERTICAL,
3725     IMG_EDITOR_PALETTE_SCROLLBAR,
3726     GD_TYPE_SCROLLBAR_VERTICAL,
3727     GADGET_ID_SCROLL_LIST_VERTICAL,
3728     "Scroll element list vertically"
3729   }
3730 };
3731
3732
3733 static struct
3734 {
3735   int gadget_type_id;
3736   int x, y;
3737   int gadget_id;
3738   int gadget_id_align;
3739   int radio_button_nr;
3740   int *value;
3741   int checked_value;
3742   char *text_left, *text_right, *infotext;
3743 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3744 {
3745   {
3746     ED_RADIOBUTTON_ID_PERCENTAGE,
3747     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3748     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3749     RADIO_NR_RANDOM_ELEMENTS,
3750     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3751     " ", "percentage",                          "Use percentage for random elements"
3752   },
3753   {
3754     ED_RADIOBUTTON_ID_QUANTITY,
3755     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3756     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3757     RADIO_NR_RANDOM_ELEMENTS,
3758     &random_placement_method,                   RANDOM_USE_QUANTITY,
3759     " ", "quantity",                            "Use quantity for random elements"
3760   }
3761 };
3762
3763 static struct
3764 {
3765   int gadget_type_id;
3766   int x, y;
3767   int gadget_id;
3768   int gadget_id_align;
3769   boolean *value;
3770   char *text_above, *text_left, *text_right, *infotext;
3771 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3772 {
3773   // ---------- level and editor settings -------------------------------------
3774
3775   {
3776     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3777     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3778     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3779     &level.auto_count_gems,
3780     NULL, NULL,
3781     "Automatically count gems needed",          "Set counter to number of gems"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3785     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3786     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3787     &level.rate_time_over_score,
3788     NULL, NULL,
3789     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3793     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3794     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3795     &levelset_use_levelset_artwork,
3796     NULL, NULL,
3797     "Use current custom artwork",               "Use custom artwork of this level set"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3801     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3802     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3803     &levelset_copy_level_template,
3804     NULL, NULL,
3805     "Copy current level template",              "Copy level template of this level set"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3809     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3810     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3811     &random_placement_background_restricted,
3812     NULL, NULL,
3813     "Restrict random placement to:",            "Set random placement restriction"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3817     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3818     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3819     &setup.editor.use_template_for_new_levels,
3820     "Template for new levels and CE/GE:", NULL,
3821     "Use template for new levels",              "Use template for level properties"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3825     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3826     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3827     &level.use_custom_template,
3828     NULL, NULL,
3829     "Use template for custom elements",         "Use template for custom properties"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3833     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3834     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3835     &level.bd_intermission,
3836     "Boulder Dash game engine settings:", NULL,
3837     "Intermission",                             "Level is an intermission level"
3838   },
3839   {
3840     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3841     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3842     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3843     &level.bd_pal_timing,
3844     NULL, NULL,
3845     "PAL timing",                               "Use slower timer (like PAL C64)"
3846   },
3847   {
3848     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3849     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3850     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3851     &level.bd_line_shifting_borders,
3852     "Compatibility settings:", NULL,
3853     "Line-shifting borders",                    "Use line-shifting wrap-around"
3854   },
3855   {
3856     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3857     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3858     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3859     &level.bd_scan_first_and_last_row,
3860     NULL, NULL,
3861     "Scan first and last row",                  "Also process top/bottom border rows"
3862   },
3863   {
3864     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3865     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3866     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3867     &level.bd_short_explosions,
3868     NULL, NULL,
3869     "Short explosions",                         "Use four game cycles for explosions"
3870   },
3871
3872   // ---------- element settings: configure (various elements) ----------------
3873
3874   {
3875     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3876     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3877     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3878     &stick_element_properties_window,
3879     NULL, NULL,
3880     "Stick this screen to edit content",        "Stick this screen to edit content"
3881   },
3882   {
3883     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3884     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3885     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3886     &level.em_slippery_gems,
3887     NULL, NULL,
3888     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3889   },
3890   {
3891     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3892     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3893     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3894     &level.em_explodes_by_fire,
3895     NULL, NULL,
3896     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3897   },
3898   {
3899     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3900     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3901     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3902     &level.use_spring_bug,
3903     NULL, NULL,
3904     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3905   },
3906   {
3907     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3908     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3909     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3910     &level.use_time_orb_bug,
3911     NULL, NULL,
3912     "Use time orb bug",                         "Use odd time orb behaviour"
3913   },
3914   {
3915     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3916     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3917     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3918     &level.use_life_bugs,
3919     NULL, NULL,
3920     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3921   },
3922   {
3923     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3924     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3925     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3926     &level.ball_random,
3927     NULL, NULL,
3928     "Create single random element",             "Only create one element from content"
3929   },
3930   {
3931     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3932     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3933     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3934     &level.ball_active_initial,
3935     NULL, NULL,
3936     "Magic ball initially activated",           "Activate magic ball after level start"
3937   },
3938   {
3939     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3940     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3941     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3942     &level.grow_into_diggable,
3943     NULL, NULL,
3944     "Can grow into anything diggable",          "Grow into more than just sand"
3945   },
3946   {
3947     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3948     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3949     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3950     &level.sb_fields_needed,
3951     NULL, NULL,
3952     "All fields need to be filled",             "Require all SB fields to be solved"
3953   },
3954   {
3955     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3956     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3957     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3958     &level.sb_objects_needed,
3959     NULL, NULL,
3960     "All objects need to be placed",            "Require all SB objects to be solved"
3961   },
3962   {
3963     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3964     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3965     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3966     &level.auto_exit_sokoban,
3967     NULL, NULL,
3968     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3969   },
3970   {
3971     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3972     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3973     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3974     &level.solved_by_one_player,
3975     NULL, NULL,
3976     "Only one player must enter exit",          "Level solved by first player in exit"
3977   },
3978   {
3979     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3980     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3981     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3982     &level.finish_dig_collect,
3983     NULL, NULL,
3984     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3985   },
3986   {
3987     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3988     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3989     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3990     &level.keep_walkable_ce,
3991     NULL, NULL,
3992     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3993   },
3994   {
3995     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3996     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3997     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3998     &level.continuous_snapping,
3999     NULL, NULL,
4000     "Continuous snapping",                      "Use snapping without releasing key"
4001   },
4002   {
4003     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
4004     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4005     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
4006     &level.block_snap_field,
4007     NULL, NULL,
4008     "Block snapped field when snapping",        "Use snapping delay to show animation"
4009   },
4010   {
4011     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
4012     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4013     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
4014     &level.block_last_field,
4015     NULL, NULL,
4016     "Block last field when moving",             "Player blocks last field when moving"
4017   },
4018   {
4019     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
4020     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4021     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
4022     &level.sp_block_last_field,
4023     NULL, NULL,
4024     "Block last field when moving",             "Player blocks last field when moving"
4025   },
4026   {
4027     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
4028     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4029     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
4030     &level.instant_relocation,
4031     NULL, NULL,
4032     "No scrolling when relocating",             "Player gets relocated without delay"
4033   },
4034   {
4035     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
4036     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4037     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
4038     &level.shifted_relocation,
4039     NULL, NULL,
4040     "No centering when relocating",             "Level not centered after relocation"
4041   },
4042   {
4043     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
4044     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4045     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
4046     &level.lazy_relocation,
4047     NULL, NULL,
4048     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
4049   },
4050   {
4051     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
4052     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4053     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
4054     &level.use_start_element[0],
4055     NULL, NULL,
4056     "Use level start element:",                "Start level at this element's position"
4057   },
4058   {
4059     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
4060     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4061     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
4062     &level.use_artwork_element[0],
4063     NULL, NULL,
4064     "Use artwork from element:",                "Use player artwork from other element"
4065   },
4066   {
4067     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
4068     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
4069     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
4070     &level.use_explosion_element[0],
4071     NULL, NULL,
4072     "Use explosion from element:",              "Use explosion properties from element"
4073   },
4074   {
4075     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
4076     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4077     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
4078     &level.initial_player_gravity[0],
4079     NULL, NULL,
4080     "Use initial gravity",                      "Set initial player gravity"
4081   },
4082   {
4083     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
4084     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4085     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
4086     &level.use_initial_inventory[0],
4087     NULL, NULL,
4088     "Use initial inventory:",                   "Use collected elements on level start"
4089   },
4090   {
4091     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
4092     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4093     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
4094     &level.can_pass_to_walkable,
4095     NULL, NULL,
4096     "Can pass to walkable element",             "Player can pass to empty or walkable"
4097   },
4098   {
4099     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
4100     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4101     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
4102     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
4103     NULL, NULL,
4104     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
4105   },
4106   {
4107     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
4108     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4109     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
4110     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
4111     NULL, NULL,
4112     "Can move into acid",                       "Element can move into acid pool"
4113   },
4114   {
4115     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
4116     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4117     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
4118     &custom_element_properties[EP_DONT_COLLIDE_WITH],
4119     NULL, NULL,
4120     "Deadly when colliding with",               "Element is deadly when hitting player"
4121   },
4122   {
4123     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
4124     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4125     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
4126     &level.bd_diagonal_movements,
4127     NULL, NULL,
4128     "Can move diagonally",                      "Player can move diagonally"
4129   },
4130   {
4131     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
4132     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4133     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
4134     &level.bd_topmost_player_active,
4135     NULL, NULL,
4136     "Topmost player is active",                 "Use first player found on playfield"
4137   },
4138   {
4139     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
4140     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4141     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
4142     &level.bd_push_mega_rock_with_sweet,
4143     NULL, NULL,
4144     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
4145   },
4146   {
4147     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
4148     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4149     GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,      GADGET_ID_NONE,
4150     &level.bd_magic_wall_zero_infinite,
4151     NULL, NULL,
4152     "Run forever if duration is zero",          "Run infinitely if timer is zero"
4153   },
4154   {
4155     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
4156     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4157     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
4158     &level.bd_magic_wall_wait_hatching,
4159     NULL, NULL,
4160     "Wait for player's birth",                  "Timer start waits for player's birth"
4161   },
4162   {
4163     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
4164     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4165     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
4166     &level.bd_magic_wall_stops_amoeba,
4167     NULL, NULL,
4168     "Stop amoeba and turn to diamonds",         "Activation changes amoeba to diamonds"
4169   },
4170   {
4171     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
4172     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4173     GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,         GADGET_ID_NONE,
4174     &level.bd_magic_wall_break_scan,
4175     NULL, NULL,
4176     "Emulate amoeba bug in BD1",                "Use buggy BD1 behavior"
4177   },
4178   {
4179     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
4180     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4181     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
4182     &level.bd_amoeba_wait_for_hatching,
4183     NULL, NULL,
4184     "Wait for player's birth",                  "Timer start waits for player's birth"
4185   },
4186   {
4187     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
4188     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4189     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
4190     &level.bd_amoeba_start_immediately,
4191     NULL, NULL,
4192     "Start growing immediately",                "Start slow growth time immediately"
4193   },
4194   {
4195     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
4196     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4197     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
4198     &level.bd_amoeba_2_explode_by_amoeba,
4199     NULL, NULL,
4200     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
4201   },
4202   {
4203     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
4204     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4205     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
4206     &level.bd_voodoo_collects_diamonds,
4207     NULL, NULL,
4208     "Can collect diamonds",                     "Can collect diamonds for the player"
4209   },
4210   {
4211     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
4212     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4213     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
4214     &level.bd_voodoo_hurt_kills_player,
4215     NULL, NULL,
4216     "Player is killed if hurt",                 "If hurt in any way, player is killed"
4217   },
4218   {
4219     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
4220     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4221     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
4222     &level.bd_voodoo_dies_by_rock,
4223     NULL, NULL,
4224     "Killed by falling rock",                   "Can be killed by a falling rock"
4225   },
4226   {
4227     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
4228     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4229     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
4230     &level.bd_voodoo_vanish_by_explosion,
4231     NULL, NULL,
4232     "Disappears in explosions",                 "Can be destroyed by explosions"
4233   },
4234   {
4235     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
4236     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4237     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
4238     &level.bd_slime_is_predictable,
4239     NULL, NULL,
4240     "Slime is predictable",                     "Use predictable random numbers"
4241   },
4242   {
4243     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
4244     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4245     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
4246     &level.bd_change_expanding_wall,
4247     NULL, NULL,
4248     "Change direction",                         "Switch horizontal/vertical direction"
4249   },
4250   {
4251     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
4252     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4253     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
4254     &level.bd_replicators_active,
4255     NULL, NULL,
4256     "Active at start",                          "Replicators start in active state"
4257   },
4258   {
4259     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
4260     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4261     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
4262     &level.bd_conveyor_belts_active,
4263     NULL, NULL,
4264     "Active at start",                          "Conveyor belts start in active state"
4265   },
4266   {
4267     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
4268     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4269     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
4270     &level.bd_conveyor_belts_changed,
4271     NULL, NULL,
4272     "Change direction",                         "Switch conveyor belt direction"
4273   },
4274   {
4275     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
4276     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4277     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
4278     &level.bd_water_cannot_flow_down,
4279     NULL, NULL,
4280     "Does not flow downwards",                  "Water can only flow up, left and right"
4281   },
4282   {
4283     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
4284     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4285     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
4286     &level.bd_hammer_walls_reappear,
4287     NULL, NULL,
4288     "Hammered walls reappear",                  "Hammered walls reappear after delay"
4289   },
4290   {
4291     ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
4292     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4293     GADGET_ID_BD_INFINITE_ROCKETS,              GADGET_ID_NONE,
4294     &level.bd_infinite_rockets,
4295     NULL, NULL,
4296     "Infinite rockets",                         "Rocket launcher has infinite rockets"
4297   },
4298   {
4299     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
4300     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4301     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
4302     &level.bd_creatures_start_backwards,
4303     NULL, NULL,
4304     "Creatures start moving backwards",         "Creatures start in opposite direction"
4305   },
4306   {
4307     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
4308     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4309     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
4310     &level.bd_creatures_turn_on_hatching,
4311     NULL, NULL,
4312     "Creatures auto turn on hatching",          "Creatures change direction on hatching"
4313   },
4314   {
4315     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
4316     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4317     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
4318     &level.bd_gravity_switch_active,
4319     NULL, NULL,
4320     "Gravity switch active at start",           "Gravity switch starts in active state"
4321   },
4322   {
4323     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
4324     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
4325     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
4326     &level.bd_gravity_affects_all,
4327     NULL, NULL,
4328     "Gravity change affects everything",        "Gravity affects all falling objects"
4329   },
4330   {
4331     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
4332     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4333     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
4334     &level.envelope[0].autowrap,
4335     NULL, NULL,
4336     "Auto-wrap",                                "Automatically wrap envelope text"
4337   },
4338   {
4339     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
4340     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
4341     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
4342     &level.envelope[0].centered,
4343     NULL, " ",
4344     "Centered",                                 "Automatically center envelope text"
4345   },
4346   {
4347     ED_CHECKBUTTON_ID_MM_LASER_RED,
4348     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4349     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
4350     &level.mm_laser_red,
4351     "Choose color components for laser:", NULL,
4352     "Red",                                      "Use red color components in laser"
4353   },
4354   {
4355     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
4356     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4357     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
4358     &level.mm_laser_green,
4359     NULL, NULL,
4360     "Green",                                    "Use green color components in laser"
4361   },
4362   {
4363     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
4364     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4365     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
4366     &level.mm_laser_blue,
4367     NULL, NULL,
4368     "Blue",                                     "Use blue color components in laser"
4369   },
4370   {
4371     ED_CHECKBUTTON_ID_DF_LASER_RED,
4372     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4373     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4374     &level.df_laser_red,
4375     "Choose color components for laser:", NULL,
4376     "Red",                                      "Use red color components in laser"
4377   },
4378   {
4379     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4380     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4381     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4382     &level.df_laser_green,
4383     NULL, NULL,
4384     "Green",                                    "Use green color components in laser"
4385   },
4386   {
4387     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4388     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4389     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4390     &level.df_laser_blue,
4391     NULL, NULL,
4392     "Blue",                                     "Use blue color components in laser"
4393   },
4394   {
4395     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4396     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4397     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4398     &level.rotate_mm_ball_content,
4399     NULL, NULL,
4400     "Randomly rotate created content",          "Randomly rotate newly created content"
4401   },
4402   {
4403     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4404     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4405     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4406     &level.explode_mm_ball,
4407     NULL, NULL,
4408     "Explode ball instead of melting",          "Use explosion to release ball content"
4409   },
4410
4411   // ---------- element settings: configure 1 (custom elements) ---------------
4412
4413   {
4414     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4415     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4416     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4417     &custom_element.use_gfx_element,
4418     NULL, NULL,
4419     "Use graphic of element:",                  "Use existing element graphic"
4420   },
4421   {
4422     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4423     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4424     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4425     &level.use_custom_template,
4426     NULL, NULL,
4427     "Use template",                             "Use template for custom properties"
4428   },
4429   {
4430     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4431     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4432     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4433     &custom_element_properties[EP_ACCESSIBLE],
4434     NULL, NULL,
4435     NULL,                                       "Player can walk to or pass this field"
4436   },
4437   {
4438     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4439     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4440     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4441     &custom_element_properties[EP_GRAVITY_REACHABLE],
4442     NULL, NULL,
4443     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4444   },
4445   {
4446     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4447     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4448     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4449     &custom_element.use_last_ce_value,
4450     NULL, NULL,
4451     "Use last CE value after change",           "Use last CE value after change"
4452   },
4453   {
4454     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4455     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4456     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4457     &custom_element_properties[EP_WALK_TO_OBJECT],
4458     NULL, NULL,
4459     NULL,                                       "Player can dig/collect/push element"
4460   },
4461   {
4462     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4463     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4464     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4465     &custom_element_properties[EP_INDESTRUCTIBLE],
4466     NULL, NULL,
4467     "Indestructible",                           "Element is indestructible"
4468   },
4469
4470   // ---------- element settings: configure 2 (custom elements) ---------------
4471
4472   {
4473     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4474     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4475     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4476     &custom_element_properties[EP_CAN_MOVE],
4477     NULL, NULL,
4478     NULL,                                       "Element can move with some pattern"
4479   },
4480   {
4481     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4482     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4483     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4484     &custom_element_properties[EP_CAN_FALL],
4485     NULL, NULL,
4486     "Can fall",                                 "Element can fall down"
4487   },
4488   {
4489     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4490     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4491     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4492     &custom_element_properties[EP_CAN_SMASH],
4493     NULL, " ",
4494     NULL,                                       "Element can smash other elements"
4495   },
4496   {
4497     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4498     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4499     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4500     &custom_element_properties[EP_SLIPPERY],
4501     NULL, NULL,
4502     NULL,                                       "Other elements can fall down from it"
4503   },
4504   {
4505     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4506     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4507     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4508     &custom_element_properties[EP_DEADLY],
4509     NULL, NULL,
4510     NULL,                                       "Element can kill the player"
4511   },
4512   {
4513     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4514     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4515     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4516     &custom_element_properties[EP_CAN_EXPLODE],
4517     NULL, NULL,
4518     NULL,                                       "Element can explode"
4519   },
4520   {
4521     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4522     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4523     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4524     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4525     NULL, NULL,
4526     "By fire",                                  "Element can explode by fire/explosion"
4527   },
4528   {
4529     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4530     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4531     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4532     &custom_element_properties[EP_EXPLODES_SMASHED],
4533     NULL, " ",
4534     "Smashed",                                  "Element can explode when smashed"
4535   },
4536   {
4537     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4538     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4539     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4540     &custom_element_properties[EP_EXPLODES_IMPACT],
4541     NULL, " ",
4542     "Impact",                                   "Element can explode on impact"
4543   },
4544
4545   // ---------- element settings: advanced (custom elements) ------------------
4546
4547   {
4548     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4549     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4550     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4551     &custom_element_change.can_change,
4552     NULL, NULL,
4553     "Element changes to:",                      "Change element on specified condition"
4554   },
4555   {
4556     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4557     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4558     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4559     &custom_element_change_events[CE_DELAY],
4560     NULL, NULL,
4561     NULL,                                       "Element changes after delay"
4562   },
4563   {
4564     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4565     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4566     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4567     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4568     NULL, NULL,
4569     NULL,                                       "Element changes by direct action"
4570   },
4571   {
4572     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4573     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4574     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4575     &custom_element_change_events[CE_BY_OTHER_ACTION],
4576     NULL, NULL,
4577     NULL,                                       "Element changes by other element"
4578   },
4579   {
4580     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4581     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4582     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4583     &custom_element_change.explode,
4584     NULL, NULL,
4585     "Explode instead of change",                "Element explodes instead of change"
4586   },
4587   {
4588     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4589     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4590     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4591     &custom_element_change.use_target_content,
4592     NULL, NULL,
4593     "Use extended change target:",              "Element changes to more elements"
4594   },
4595   {
4596     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4597     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4598     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4599     &custom_element_change.only_if_complete,
4600     NULL, NULL,
4601     "Replace all or nothing",                   "Only replace when all can be changed"
4602   },
4603   {
4604     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4605     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4606     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4607     &custom_element_change.use_random_replace,
4608     NULL, NULL,
4609     NULL,                                       "Use percentage for random replace"
4610   },
4611   {
4612     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4613     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4614     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4615     &custom_element_change.has_action,
4616     NULL, NULL,
4617     NULL,                                       "Execute action on specified condition"
4618   },
4619 };
4620
4621 static struct
4622 {
4623   int gadget_type_id;
4624   int x, y;
4625   int xoffset, yoffset;
4626   int gadget_id;
4627   int gadget_id_align;
4628   int *value;
4629   int area_xsize, area_ysize;
4630   char *text_left, *text_right, *text_above, *text_below, *infotext;
4631 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4632 {
4633   // ---------- level playfield content ---------------------------------------
4634
4635   {
4636     ED_DRAWING_ID_DRAWING_LEVEL,
4637     0,                                          0,
4638     0,                                          0,
4639     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4640     NULL,
4641     -1, -1,     // these values are not constant, but can change at runtime
4642     NULL, NULL, NULL, NULL,                     NULL
4643   },
4644
4645   // ---------- yam yam content -----------------------------------------------
4646
4647   {
4648     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4649     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4650     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4651     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4652     &level.yamyam_content[0].e[0][0],           3, 3,
4653     NULL, NULL, NULL, "1",                      NULL
4654   },
4655   {
4656     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4657     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4658     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4659     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4660     &level.yamyam_content[1].e[0][0],           3, 3,
4661     NULL, NULL, NULL, "2",                      NULL
4662   },
4663   {
4664     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4665     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4666     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4667     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4668     &level.yamyam_content[2].e[0][0],           3, 3,
4669     NULL, NULL, NULL, "3",                      NULL
4670   },
4671   {
4672     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4673     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4674     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4675     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4676     &level.yamyam_content[3].e[0][0],           3, 3,
4677     NULL, NULL, NULL, "4",                      NULL
4678   },
4679   {
4680     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4681     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4682     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4683     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4684     &level.yamyam_content[4].e[0][0],           3, 3,
4685     NULL, NULL, NULL, "5",                      NULL
4686   },
4687   {
4688     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4689     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4690     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4691     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4692     &level.yamyam_content[5].e[0][0],           3, 3,
4693     NULL, NULL, NULL, "6",                      NULL
4694   },
4695   {
4696     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4697     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4698     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4699     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4700     &level.yamyam_content[6].e[0][0],           3, 3,
4701     NULL, NULL, NULL, "7",                      NULL
4702   },
4703   {
4704     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4705     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4706     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4707     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4708     &level.yamyam_content[7].e[0][0],           3, 3,
4709     NULL, NULL, NULL, "8",                      NULL
4710   },
4711
4712   // ---------- magic ball content --------------------------------------------
4713
4714   {
4715     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4716     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4717     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4718     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4719     &level.ball_content[0].e[0][0],             3, 3,
4720     NULL, NULL, NULL, "1",                      NULL
4721   },
4722   {
4723     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4724     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4725     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4726     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4727     &level.ball_content[1].e[0][0],             3, 3,
4728     NULL, NULL, NULL, "2",                      NULL
4729   },
4730   {
4731     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4732     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4733     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4734     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4735     &level.ball_content[2].e[0][0],             3, 3,
4736     NULL, NULL, NULL, "3",                      NULL
4737   },
4738   {
4739     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4740     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4741     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4742     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4743     &level.ball_content[3].e[0][0],             3, 3,
4744     NULL, NULL, NULL, "4",                      NULL
4745   },
4746   {
4747     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4748     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4749     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4750     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4751     &level.ball_content[4].e[0][0],             3, 3,
4752     NULL, NULL, NULL, "5",                      NULL
4753   },
4754   {
4755     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4756     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4757     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4758     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4759     &level.ball_content[5].e[0][0],             3, 3,
4760     NULL, NULL, NULL, "6",                      NULL
4761   },
4762   {
4763     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4764     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4765     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4766     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4767     &level.ball_content[6].e[0][0],             3, 3,
4768     NULL, NULL, NULL, "7",                      NULL
4769   },
4770   {
4771     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4772     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4773     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4774     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4775     &level.ball_content[7].e[0][0],             3, 3,
4776     NULL, NULL, NULL, "8",                      NULL
4777   },
4778
4779   // ---------- android content -----------------------------------------------
4780
4781   {
4782     ED_DRAWING_ID_ANDROID_CONTENT,
4783     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4784     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4785     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4786     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4787     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4788   },
4789
4790   // ---------- amoeba content ------------------------------------------------
4791
4792   {
4793     ED_DRAWING_ID_AMOEBA_CONTENT,
4794     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4795     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4796     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4797     &level.amoeba_content,                      1, 1,
4798     "Content:", NULL, NULL, NULL,               "Amoeba content"
4799   },
4800
4801   // ---------- BD snap element -----------------------------------------------
4802
4803   {
4804     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4805     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4806     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4807     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4808     &level.bd_snap_element,                     1, 1,
4809     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4810   },
4811
4812   // ---------- BD magic wall elements ----------------------------------------
4813
4814   {
4815     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4816     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4817     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4818     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4819     &level.bd_magic_wall_diamond_to,            1, 1,
4820     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4821   },
4822   {
4823     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4824     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4825     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4826     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4827     &level.bd_magic_wall_rock_to,               1, 1,
4828     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4829   },
4830   {
4831     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4832     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4833     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4834     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4835     &level.bd_magic_wall_mega_rock_to,          1, 1,
4836     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4837   },
4838   {
4839     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4840     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4841     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4842     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4843     &level.bd_magic_wall_nut_to,                1, 1,
4844     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4845   },
4846   {
4847     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4848     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4849     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4850     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4851     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4852     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4853   },
4854   {
4855     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4856     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4857     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4858     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4859     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4860     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4861   },
4862   {
4863     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4864     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(12),
4865     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4866     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4867     &level.bd_magic_wall_flying_rock_to,        1, 1,
4868     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4869   },
4870
4871   // ---------- BD amoeba content ---------------------------------------------
4872
4873   {
4874     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4875     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4876     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4877     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4878     &level.bd_amoeba_content_too_big,           1, 1,
4879     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4880   },
4881   {
4882     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4883     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4884     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4885     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4886     &level.bd_amoeba_content_enclosed,          1, 1,
4887     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4888   },
4889
4890   // ---------- BD amoeba 2 content -------------------------------------------
4891
4892   {
4893     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4894     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4895     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4896     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4897     &level.bd_amoeba_2_content_too_big,         1, 1,
4898     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4899   },
4900   {
4901     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4902     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4903     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4904     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4905     &level.bd_amoeba_2_content_enclosed,        1, 1,
4906     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4907   },
4908   {
4909     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4910     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4911     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4912     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4913     &level.bd_amoeba_2_content_exploding,       1, 1,
4914     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4915   },
4916   {
4917     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4918     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4919     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4920     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4921     &level.bd_amoeba_2_content_looks_like,      1, 1,
4922     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4923   },
4924   {
4925     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4926     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4927     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4928     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4929     &level.bd_slime_eats_element_1,             1, 1,
4930     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4931   },
4932   {
4933     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4934     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4935     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4936     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4937     &level.bd_slime_converts_to_element_1,      1, 1,
4938     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4939   },
4940   {
4941     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4942     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4943     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4944     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4945     &level.bd_slime_eats_element_2,             1, 1,
4946     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4947   },
4948   {
4949     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4950     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4951     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4952     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4953     &level.bd_slime_converts_to_element_2,      1, 1,
4954     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4955   },
4956   {
4957     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4958     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4959     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4960     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4961     &level.bd_slime_eats_element_3,             1, 1,
4962     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4963   },
4964   {
4965     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4966     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4967     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4968     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4969     &level.bd_slime_converts_to_element_3,      1, 1,
4970     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4971   },
4972   {
4973     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4974     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4975     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4976     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4977     &level.bd_acid_eats_element,                1, 1,
4978     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4979   },
4980   {
4981     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4982     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4983     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4984     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4985     &level.bd_acid_turns_to_element,            1, 1,
4986     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4987   },
4988   {
4989     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4990     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4991     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4992     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4993     &level.bd_biter_eats_element,               1, 1,
4994     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4995   },
4996   {
4997     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4998     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4999     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5000     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
5001     &level.bd_bladder_converts_by_element,      1, 1,
5002     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
5003   },
5004   {
5005     ED_DRAWING_ID_BD_NUT_CONTENT,
5006     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5007     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5008     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
5009     &level.bd_nut_content,                      1, 1,
5010     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
5011   },
5012   {
5013     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
5014     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5015     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5016     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
5017     &level.bd_expanding_wall_looks_like,        1, 1,
5018     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
5019   },
5020   {
5021     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
5022     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5023     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5024     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
5025     &level.bd_sand_looks_like,                  1, 1,
5026     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
5027   },
5028   {
5029     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
5030     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5031     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5032     GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,      GADGET_ID_NONE,
5033     &level.bd_rock_turns_to_on_falling,         1, 1,
5034     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
5035   },
5036   {
5037     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
5038     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
5039     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5040     GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,       GADGET_ID_NONE,
5041     &level.bd_rock_turns_to_on_impact,          1, 1,
5042     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
5043   },
5044   {
5045     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
5046     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5047     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5048     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,   GADGET_ID_NONE,
5049     &level.bd_diamond_turns_to_on_falling,      1, 1,
5050     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
5051   },
5052   {
5053     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
5054     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
5055     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5056     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,    GADGET_ID_NONE,
5057     &level.bd_diamond_turns_to_on_impact,       1, 1,
5058     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
5059   },
5060   {
5061     ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
5062     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5063     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5064     GADGET_ID_BD_FIREFLY_EXPLODES_TO,           GADGET_ID_NONE,
5065     &level.bd_firefly_explodes_to,              1, 1,
5066     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5067   },
5068   {
5069     ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
5070     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5071     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5072     GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,         GADGET_ID_NONE,
5073     &level.bd_firefly_2_explodes_to,            1, 1,
5074     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5075   },
5076   {
5077     ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
5078     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5079     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5080     GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,         GADGET_ID_NONE,
5081     &level.bd_butterfly_explodes_to,            1, 1,
5082     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5083   },
5084   {
5085     ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
5086     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5087     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5088     GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,       GADGET_ID_NONE,
5089     &level.bd_butterfly_2_explodes_to,          1, 1,
5090     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5091   },
5092   {
5093     ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
5094     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5095     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5096     GADGET_ID_BD_STONEFLY_EXPLODES_TO,          GADGET_ID_NONE,
5097     &level.bd_stonefly_explodes_to,             1, 1,
5098     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5099   },
5100   {
5101     ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
5102     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5103     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5104     GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,         GADGET_ID_NONE,
5105     &level.bd_dragonfly_explodes_to,            1, 1,
5106     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5107   },
5108   {
5109     ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
5110     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5111     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5112     GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,        GADGET_ID_NONE,
5113     &level.bd_diamond_birth_turns_to,           1, 1,
5114     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5115   },
5116   {
5117     ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
5118     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5119     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5120     GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,       GADGET_ID_NONE,
5121     &level.bd_bomb_explosion_turns_to,          1, 1,
5122     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5123   },
5124   {
5125     ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
5126     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5127     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5128     GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,      GADGET_ID_NONE,
5129     &level.bd_nitro_explosion_turns_to,         1, 1,
5130     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5131   },
5132   {
5133     ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
5134     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5135     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5136     GADGET_ID_BD_EXPLOSION_TURNS_TO,            GADGET_ID_NONE,
5137     &level.bd_explosion_turns_to,               1, 1,
5138     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5139   },
5140
5141   // ---------- level start element -------------------------------------------
5142
5143   {
5144     ED_DRAWING_ID_START_ELEMENT,
5145     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
5146     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5147     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
5148     &level.start_element[0],                    1, 1,
5149     NULL, NULL, NULL, NULL,                     "Level start element"
5150   },
5151
5152   // ---------- player artwork element ----------------------------------------
5153
5154   {
5155     ED_DRAWING_ID_ARTWORK_ELEMENT,
5156     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
5157     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5158     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
5159     &level.artwork_element[0],                  1, 1,
5160     NULL, NULL, NULL, NULL,                     "Element for player artwork"
5161   },
5162
5163   // ---------- player explosion element --------------------------------------
5164
5165   {
5166     ED_DRAWING_ID_EXPLOSION_ELEMENT,
5167     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
5168     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5169     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
5170     &level.explosion_element[0],                1, 1,
5171     NULL, NULL, NULL, NULL,                     "Element for player explosion"
5172   },
5173
5174   // ---------- player initial inventory --------------------------------------
5175
5176   {
5177     ED_DRAWING_ID_INVENTORY_CONTENT,
5178     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5179     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5180     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
5181     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
5182     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
5183   },
5184
5185   // ---------- gray ball content -----------------------------------------
5186
5187   {
5188     ED_DRAWING_ID_MM_BALL_CONTENT,
5189     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5190     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5191     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
5192     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
5193     "Content:", NULL, NULL, NULL,               "Content for gray ball"
5194   },
5195
5196   // ---------- element settings: configure 1 (custom elements) ---------------
5197
5198   // ---------- custom graphic ------------------------------------------------
5199
5200   {
5201     ED_DRAWING_ID_CUSTOM_GRAPHIC,
5202     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5203     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5204     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
5205     &custom_element.gfx_element_initial,        1, 1,
5206     NULL, NULL, NULL, NULL,                     "Custom graphic element"
5207   },
5208
5209   // ---------- element settings: configure 2 (custom elements) ---------------
5210
5211   // ---------- custom content (when exploding) -------------------------------
5212
5213   {
5214     ED_DRAWING_ID_CUSTOM_CONTENT,
5215     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
5216     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5217     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
5218     &custom_element.content.e[0][0],            3, 3,
5219     "Content:", NULL, NULL, NULL,               NULL
5220   },
5221
5222   // ---------- custom enter and leave element (when moving) ------------------
5223
5224   {
5225     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
5226     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
5227     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5228     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
5229     &custom_element.move_enter_element,         1, 1,
5230     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
5231   },
5232   {
5233     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
5234     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
5235     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5236     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
5237     &custom_element.move_leave_element,         1, 1,
5238     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
5239   },
5240
5241   // ---------- element settings: advanced (custom elements) ------------------
5242
5243   // ---------- custom change target ------------------------------------------
5244
5245   {
5246     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
5247     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5248     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5249     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
5250     &custom_element_change.target_element,      1, 1,
5251     NULL, "after/when:", NULL, NULL,            "New target element after change"
5252   },
5253
5254   // ---------- custom change content (extended change target) ----------------
5255
5256   {
5257     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
5258     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
5259     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5260     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
5261     &custom_element_change.target_content.e[0][0], 3, 3,
5262     NULL, NULL, NULL, NULL,                     "New extended elements after change"
5263   },
5264
5265   // ---------- custom change trigger (element causing change) ----------------
5266
5267   {
5268     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
5269     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
5270     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5271     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
5272     &custom_element_change.initial_trigger_element, 1, 1,
5273     NULL, NULL, NULL, NULL,                     "Other element triggering change"
5274   },
5275
5276   // ---------- custom change action (element used for action) ----------------
5277
5278   {
5279     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
5280     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
5281     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5282     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
5283     &custom_element_change.action_element,      1, 1,
5284     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
5285   },
5286
5287   // ---------- group element content -----------------------------------------
5288
5289   {
5290     ED_DRAWING_ID_GROUP_CONTENT,
5291     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5292     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5293     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
5294     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
5295     "Content:", NULL, NULL, NULL,               NULL
5296   },
5297
5298   // ---------- random background (for random painting) -----------------------
5299
5300   {
5301     ED_DRAWING_ID_RANDOM_BACKGROUND,
5302     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
5303     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
5304     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
5305     &random_placement_background_element,       1, 1,
5306     NULL, NULL, NULL, NULL,                     "Random placement background"
5307   },
5308 };
5309
5310
5311 // ----------------------------------------------------------------------------
5312 // some internally used variables
5313 // ----------------------------------------------------------------------------
5314
5315 // maximal size of level editor drawing area
5316 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
5317
5318 // actual size of level editor drawing area
5319 static int ed_fieldx, ed_fieldy;
5320
5321 // actual position of level editor drawing area in level playfield
5322 static int level_xpos = -1, level_ypos = -1;
5323
5324 // actual tile size used to display playfield drawing area
5325 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
5326 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
5327
5328 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
5329
5330 // drawing elements on the three mouse buttons
5331 static int new_element1 = EL_WALL;
5332 static int new_element2 = EL_EMPTY;
5333 static int new_element3 = EL_SAND;
5334
5335 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
5336 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
5337                                 (button) == 2 ? new_element2 : \
5338                                 (button) == 3 ? new_element3 : EL_EMPTY)
5339
5340 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
5341
5342 static int use_permanent_palette = TRUE;
5343
5344 #define PX              (use_permanent_palette ? DX : SX)
5345 #define PY              (use_permanent_palette ? DY : SY)
5346 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
5347 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
5348
5349 // forward declaration for internal use
5350 static void CopyBrushToCursor(int, int);
5351 static void DeleteBrushFromCursor(void);
5352 static void ModifyEditorCounterValue(int, int);
5353 static void ModifyEditorCounterLimits(int, int, int);
5354 static void ModifyEditorSelectboxValue(int, int);
5355 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
5356 static void ModifyEditorDrawingArea(int, int, int);
5357 static void ModifyEditorElementList(void);
5358 static void AdjustElementListScrollbar(void);
5359 static void RedrawDrawingElements(void);
5360 static void DrawDrawingWindowExt(boolean);
5361 static void DrawDrawingWindow(void);
5362 static void DrawLevelConfigWindow(void);
5363 static void DrawPropertiesWindow(void);
5364 static void DrawPaletteWindow(void);
5365 static void UpdateCustomElementGraphicGadgets(void);
5366 static boolean checkPropertiesConfig(int);
5367 static void SetAutomaticNumberOfGemsNeeded(void);
5368 static void ClearEditorGadgetInfoText(void);
5369 static void CopyLevelToUndoBuffer(int);
5370 static void HandleDrawingAreas(struct GadgetInfo *);
5371 static void HandleCounterButtons(struct GadgetInfo *);
5372 static void HandleTextInputGadgets(struct GadgetInfo *);
5373 static void HandleTextAreaGadgets(struct GadgetInfo *);
5374 static void HandleSelectboxGadgets(struct GadgetInfo *);
5375 static void HandleTextbuttonGadgets(struct GadgetInfo *);
5376 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
5377 static void HandleRadiobuttons(struct GadgetInfo *);
5378 static void HandleCheckbuttons(struct GadgetInfo *);
5379 static void HandleControlButtons(struct GadgetInfo *);
5380 static void HandleDrawingAreaInfo(struct GadgetInfo *);
5381 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
5382 static boolean AskToCopyAndModifyLevelTemplate(void);
5383 static boolean getDrawModeHiRes(void);
5384 static int getTabulatorBarWidth(void);
5385 static int getTabulatorBarHeight(void);
5386 static Pixel getTabulatorBarColor(void);
5387 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
5388 static int numHiresTiles(int);
5389
5390 static int num_editor_gadgets = 0;      // dynamically determined
5391
5392 static struct GadgetInfo **level_editor_gadget = NULL;
5393 static int *right_gadget_border = NULL;
5394
5395 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
5396 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
5397 static boolean draw_with_brush = FALSE;
5398 static int properties_element = 0;
5399
5400 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5401 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5402 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5403 static int undo_buffer_position = 0;
5404 static int undo_buffer_steps = 0;
5405 static int redo_buffer_steps = 0;
5406
5407 static int edit_mode;
5408 static int edit_mode_levelconfig;
5409 static int edit_mode_engineconfig;
5410 static int edit_mode_properties;
5411
5412 static int element_shift = 0;
5413
5414 static int editor_el_players[] =
5415 {
5416   EL_PLAYER_1,
5417   EL_PLAYER_2,
5418   EL_PLAYER_3,
5419   EL_PLAYER_4
5420 };
5421 static int *editor_el_players_ptr = editor_el_players;
5422 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
5423
5424 static int editor_hl_boulderdash[] =
5425 {
5426   EL_INTERNAL_CASCADE_BD_ACTIVE,
5427   EL_CHAR('B'),
5428   EL_CHAR('D'),
5429   EL_EMPTY,
5430 };
5431
5432 static int editor_el_boulderdash[] =
5433 {
5434   EL_EMPTY,
5435   EL_SAND,
5436   EL_BD_ROCK,
5437   EL_BD_DIAMOND,
5438
5439   EL_STEELWALL,
5440   EL_BD_WALL,
5441   EL_BD_EXPANDABLE_WALL,
5442   EL_BD_MAGIC_WALL,
5443
5444   EL_BD_AMOEBA,
5445   EL_BD_BUTTERFLY_UP,
5446   EL_BD_FIREFLY_UP,
5447   EL_EXIT_CLOSED,
5448
5449   EL_BD_BUTTERFLY_LEFT,
5450   EL_BD_FIREFLY_LEFT,
5451   EL_BD_BUTTERFLY_RIGHT,
5452   EL_BD_FIREFLY_RIGHT,
5453
5454   EL_EMPTY,
5455   EL_BD_BUTTERFLY_DOWN,
5456   EL_BD_FIREFLY_DOWN,
5457   EL_EXIT_OPEN,
5458 };
5459 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
5460 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
5461 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
5462 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
5463
5464 static int editor_hl_boulderdash_native[] =
5465 {
5466   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
5467   EL_CHAR('B'),
5468   EL_CHAR('D'),
5469   EL_EMPTY,
5470 };
5471
5472 static int editor_el_boulderdash_native[] =
5473 {
5474   EL_EMPTY,
5475   EL_BD_SAND,
5476   EL_BD_ROCK,
5477   EL_BD_DIAMOND,
5478
5479   EL_BD_INBOX,
5480   EL_BD_STEELWALL,
5481   EL_BD_WALL,
5482   EL_BD_MAGIC_WALL,
5483
5484   EL_BD_AMOEBA,
5485   EL_BD_BUTTERFLY_UP,
5486   EL_BD_FIREFLY_UP,
5487   EL_BD_EXIT_CLOSED,
5488
5489   EL_BD_BUTTERFLY_LEFT,
5490   EL_BD_FIREFLY_LEFT,
5491   EL_BD_BUTTERFLY_RIGHT,
5492   EL_BD_FIREFLY_RIGHT,
5493
5494   EL_BD_SAND_2,
5495   EL_BD_BUTTERFLY_DOWN,
5496   EL_BD_FIREFLY_DOWN,
5497   EL_BD_EXIT_OPEN,
5498
5499   EL_BD_AMOEBA_2,
5500   EL_BD_BUTTERFLY_2_UP,
5501   EL_BD_FIREFLY_2_UP,
5502   EL_BD_SLIME,
5503
5504   EL_BD_BUTTERFLY_2_LEFT,
5505   EL_BD_FIREFLY_2_LEFT,
5506   EL_BD_BUTTERFLY_2_RIGHT,
5507   EL_BD_FIREFLY_2_RIGHT,
5508
5509   EL_BD_BOMB,
5510   EL_BD_BUTTERFLY_2_DOWN,
5511   EL_BD_FIREFLY_2_DOWN,
5512   EL_BD_FLYING_DIAMOND,
5513
5514   EL_BD_NITRO_PACK,
5515   EL_BD_DRAGONFLY_UP,
5516   EL_BD_STONEFLY_UP,
5517   EL_BD_DIAMOND_GLUED,
5518
5519   EL_BD_DRAGONFLY_LEFT,
5520   EL_BD_STONEFLY_LEFT,
5521   EL_BD_DRAGONFLY_RIGHT,
5522   EL_BD_STONEFLY_RIGHT,
5523
5524   EL_BD_NUT,
5525   EL_BD_DRAGONFLY_DOWN,
5526   EL_BD_STONEFLY_DOWN,
5527   EL_EMPTY,
5528
5529   EL_BD_BITER_SWITCH_1,
5530   EL_BD_BITER_UP,
5531   EL_BD_COW_UP,
5532   EL_EMPTY,
5533
5534   EL_BD_BITER_LEFT,
5535   EL_BD_COW_LEFT,
5536   EL_BD_BITER_RIGHT,
5537   EL_BD_COW_RIGHT,
5538
5539   EL_BD_VOODOO_DOLL,
5540   EL_BD_BITER_DOWN,
5541   EL_BD_COW_DOWN,
5542   EL_BD_GHOST,
5543
5544   EL_BD_SAND_GLUED,
5545   EL_BD_SAND_BALL,
5546   EL_BD_SAND_LOOSE,
5547   EL_BD_WALL_NON_SLOPED,
5548
5549   EL_BD_SAND_SLOPED_UP_LEFT,
5550   EL_BD_SAND_SLOPED_UP_RIGHT,
5551   EL_BD_WALL_SLOPED_UP_LEFT,
5552   EL_BD_WALL_SLOPED_UP_RIGHT,
5553
5554   EL_BD_SAND_SLOPED_DOWN_LEFT,
5555   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5556   EL_BD_WALL_SLOPED_DOWN_LEFT,
5557   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5558
5559   EL_BD_FLYING_ROCK,
5560   EL_BD_ROCK_GLUED,
5561   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5562   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5563
5564   EL_BD_WAITING_ROCK,
5565   EL_BD_CHASING_ROCK,
5566   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5567   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5568
5569   EL_BD_MEGA_ROCK,
5570   EL_BD_SWEET,
5571   EL_BD_INVISIBLE_EXIT_CLOSED,
5572   EL_BD_INVISIBLE_EXIT_OPEN,
5573
5574   EL_BD_STEELWALL_EXPLODABLE,
5575   EL_BD_STEELWALL_DIGGABLE,
5576   EL_BD_WALL_DIGGABLE,
5577   EL_BD_FALLING_WALL,
5578
5579   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5580   EL_BD_EXPANDABLE_WALL_VERTICAL,
5581   EL_BD_EXPANDABLE_WALL_ANY,
5582   EL_BD_EXPANDABLE_WALL_SWITCH,
5583
5584   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5585   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5586   EL_BD_EXPANDABLE_STEELWALL_ANY,
5587   EL_BD_CREATURE_SWITCH,
5588
5589   EL_BD_BLADDER,
5590   EL_BD_BLADDER_SPENDER,
5591   EL_BD_REPLICATOR,
5592   EL_BD_REPLICATOR_SWITCH,
5593
5594   EL_BD_CONVEYOR_LEFT,
5595   EL_BD_CONVEYOR_RIGHT,
5596   EL_BD_CONVEYOR_SWITCH,
5597   EL_BD_CONVEYOR_DIR_SWITCH,
5598
5599   EL_BD_CLOCK,
5600   EL_BD_TIME_PENALTY,
5601   EL_BD_GRAVESTONE,
5602   EL_BD_SKELETON,
5603
5604   EL_BD_WATER,
5605   EL_BD_ACID,
5606   EL_BD_LAVA,
5607   EL_BD_BOX,
5608
5609   EL_BD_GATE_1,
5610   EL_BD_GATE_2,
5611   EL_BD_GATE_3,
5612   EL_BD_TRAPPED_DIAMOND,
5613
5614   EL_BD_KEY_1,
5615   EL_BD_KEY_2,
5616   EL_BD_KEY_3,
5617   EL_BD_DIAMOND_KEY,
5618
5619   EL_BD_WALL_KEY_1,
5620   EL_BD_WALL_KEY_2,
5621   EL_BD_WALL_KEY_3,
5622   EL_BD_WALL_DIAMOND,
5623
5624   EL_BD_POT,
5625   EL_BD_GRAVITY_SWITCH,
5626   EL_BD_PNEUMATIC_HAMMER,
5627   EL_BD_TELEPORTER,
5628
5629   EL_BD_PLAYER,
5630   EL_BD_PLAYER_WITH_BOMB,
5631   EL_BD_PLAYER_WITH_ROCKET_LAUNCHER,
5632   EL_BD_ROCKET_LAUNCHER,
5633
5634   EL_BD_PLAYER_GLUED,
5635   EL_BD_PLAYER_STIRRING,
5636   EL_EMPTY,
5637   EL_EMPTY,
5638 };
5639 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5640 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5641 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5642 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5643
5644 static int editor_hl_boulderdash_effects[] =
5645 {
5646   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5647   EL_CHAR('B'),
5648   EL_CHAR('D'),
5649   EL_CHAR('E'),
5650 };
5651
5652 static int editor_el_boulderdash_effects[] =
5653 {
5654   EL_BD_DIAMOND_FALLING,
5655   EL_BD_ROCK_FALLING,
5656   EL_BD_MEGA_ROCK_FALLING,
5657   EL_BD_FLYING_DIAMOND_FLYING,
5658
5659   EL_BD_FALLING_WALL_FALLING,
5660   EL_BD_NITRO_PACK_FALLING,
5661   EL_BD_NUT_FALLING,
5662   EL_BD_FLYING_ROCK_FLYING,
5663
5664   EL_BD_PLAYER_GROWING_1,
5665   EL_BD_PLAYER_GROWING_2,
5666   EL_BD_PLAYER_GROWING_3,
5667   EL_BD_PLAYER,
5668
5669   EL_BD_PLAYER_WITH_BOMB,
5670   EL_BD_PLAYER_STIRRING,
5671   EL_BD_EXIT_OPEN,
5672   EL_BD_INVISIBLE_EXIT_OPEN,
5673
5674   EL_BD_BLADDER_1,
5675   EL_BD_BLADDER_2,
5676   EL_BD_BLADDER_3,
5677   EL_BD_BLADDER_4,
5678
5679   EL_BD_BLADDER_5,
5680   EL_BD_BLADDER_6,
5681   EL_BD_BLADDER_7,
5682   EL_BD_BLADDER_8,
5683
5684   EL_BD_SAND_2,
5685   EL_BD_COW_ENCLOSED_1,
5686   EL_BD_COW_ENCLOSED_2,
5687   EL_BD_COW_ENCLOSED_3,
5688
5689   EL_BD_COW_ENCLOSED_4,
5690   EL_BD_COW_ENCLOSED_5,
5691   EL_BD_COW_ENCLOSED_6,
5692   EL_BD_COW_ENCLOSED_7,
5693
5694   EL_BD_WATER_1,
5695   EL_BD_WATER_2,
5696   EL_BD_WATER_3,
5697   EL_BD_WATER_4,
5698
5699   EL_BD_WATER_5,
5700   EL_BD_WATER_6,
5701   EL_BD_WATER_7,
5702   EL_BD_WATER_8,
5703
5704   EL_BD_WATER_9,
5705   EL_BD_WATER_10,
5706   EL_BD_WATER_11,
5707   EL_BD_WATER_12,
5708
5709   EL_BD_WATER_13,
5710   EL_BD_WATER_14,
5711   EL_BD_WATER_15,
5712   EL_BD_WATER_16,
5713
5714   EL_BD_BOMB_TICKING_1,
5715   EL_BD_BOMB_TICKING_2,
5716   EL_BD_BOMB_TICKING_3,
5717   EL_BD_BOMB_TICKING_4,
5718
5719   EL_BD_BOMB_TICKING_5,
5720   EL_BD_BOMB_TICKING_6,
5721   EL_BD_BOMB_TICKING_7,
5722   EL_EMPTY,
5723
5724   EL_BD_BOMB_EXPLODING_1,
5725   EL_BD_BOMB_EXPLODING_2,
5726   EL_BD_BOMB_EXPLODING_3,
5727   EL_BD_BOMB_EXPLODING_4,
5728
5729   EL_BD_NUT_BREAKING_1,
5730   EL_BD_NUT_BREAKING_2,
5731   EL_BD_NUT_BREAKING_3,
5732   EL_BD_NUT_BREAKING_4,
5733
5734   EL_BD_EXPLODING_1,
5735   EL_BD_EXPLODING_2,
5736   EL_BD_EXPLODING_3,
5737   EL_BD_EXPLODING_4,
5738
5739   EL_BD_EXPLODING_5,
5740   EL_BD_TIME_PENALTY,
5741   EL_BD_DIAMOND_GROWING_1,
5742   EL_BD_DIAMOND_GROWING_2,
5743
5744   EL_BD_DIAMOND_GROWING_3,
5745   EL_BD_DIAMOND_GROWING_4,
5746   EL_BD_DIAMOND_GROWING_5,
5747   EL_BD_NITRO_PACK_EXPLODING,
5748
5749   EL_BD_NITRO_PACK_EXPLODING_1,
5750   EL_BD_NITRO_PACK_EXPLODING_2,
5751   EL_BD_NITRO_PACK_EXPLODING_3,
5752   EL_BD_NITRO_PACK_EXPLODING_4,
5753
5754   EL_BD_ROCK_GROWING_1,
5755   EL_BD_ROCK_GROWING_2,
5756   EL_BD_ROCK_GROWING_3,
5757   EL_BD_ROCK_GROWING_4,
5758
5759   EL_BD_STEELWALL_GROWING_1,
5760   EL_BD_STEELWALL_GROWING_2,
5761   EL_BD_STEELWALL_GROWING_3,
5762   EL_BD_STEELWALL_GROWING_4,
5763
5764   EL_BD_CLOCK_GROWING_1,
5765   EL_BD_CLOCK_GROWING_2,
5766   EL_BD_CLOCK_GROWING_3,
5767   EL_BD_CLOCK_GROWING_4,
5768
5769   EL_BD_GHOST_EXPLODING_1,
5770   EL_BD_GHOST_EXPLODING_2,
5771   EL_BD_GHOST_EXPLODING_3,
5772   EL_BD_GHOST_EXPLODING_4,
5773 };
5774 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5775 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5776 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5777 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5778
5779 static int editor_hl_emerald_mine[] =
5780 {
5781   EL_INTERNAL_CASCADE_EM_ACTIVE,
5782   EL_CHAR('E'),
5783   EL_CHAR('M'),
5784   EL_EMPTY,
5785 };
5786
5787 static int editor_el_emerald_mine[] =
5788 {
5789   EL_SAND,
5790   EL_ROCK,
5791   EL_QUICKSAND_EMPTY,
5792   EL_QUICKSAND_FULL,
5793
5794   EL_STEELWALL,
5795   EL_WALL,
5796   EL_WALL_SLIPPERY,
5797   EL_MAGIC_WALL,
5798
5799   EL_EMERALD,
5800   EL_DIAMOND,
5801   EL_NUT,
5802   EL_BOMB,
5803
5804   EL_EM_DYNAMITE,
5805   EL_EM_DYNAMITE_ACTIVE,
5806   EL_EM_EXIT_CLOSED,
5807   EL_EM_EXIT_OPEN,
5808
5809   EL_YAMYAM_UP,
5810   EL_BUG_UP,
5811   EL_SPACESHIP_UP,
5812   EL_ROBOT,
5813
5814   EL_BUG_LEFT,
5815   EL_SPACESHIP_LEFT,
5816   EL_BUG_RIGHT,
5817   EL_SPACESHIP_RIGHT,
5818
5819   EL_ROBOT_WHEEL,
5820   EL_BUG_DOWN,
5821   EL_SPACESHIP_DOWN,
5822   EL_INVISIBLE_WALL,
5823
5824   EL_ACID_POOL_TOPLEFT,
5825   EL_ACID,
5826   EL_ACID_POOL_TOPRIGHT,
5827   EL_AMOEBA_DROP,
5828
5829   EL_ACID_POOL_BOTTOMLEFT,
5830   EL_ACID_POOL_BOTTOM,
5831   EL_ACID_POOL_BOTTOMRIGHT,
5832   EL_AMOEBA_WET,
5833
5834   EL_EM_KEY_1,
5835   EL_EM_KEY_2,
5836   EL_EM_KEY_3,
5837   EL_EM_KEY_4,
5838
5839   EL_EM_GATE_1,
5840   EL_EM_GATE_2,
5841   EL_EM_GATE_3,
5842   EL_EM_GATE_4,
5843
5844   EL_EM_GATE_1_GRAY,
5845   EL_EM_GATE_2_GRAY,
5846   EL_EM_GATE_3_GRAY,
5847   EL_EM_GATE_4_GRAY,
5848 };
5849 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5850 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5851 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5852 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5853
5854 static int editor_hl_emerald_mine_club[] =
5855 {
5856   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5857   EL_CHAR('E'),
5858   EL_CHAR('M'),
5859   EL_CHAR('C'),
5860 };
5861
5862 static int editor_el_emerald_mine_club[] =
5863 {
5864   EL_EMC_KEY_5,
5865   EL_EMC_KEY_6,
5866   EL_EMC_KEY_7,
5867   EL_EMC_KEY_8,
5868
5869   EL_EMC_GATE_5,
5870   EL_EMC_GATE_6,
5871   EL_EMC_GATE_7,
5872   EL_EMC_GATE_8,
5873
5874   EL_EMC_GATE_5_GRAY,
5875   EL_EMC_GATE_6_GRAY,
5876   EL_EMC_GATE_7_GRAY,
5877   EL_EMC_GATE_8_GRAY,
5878
5879   EL_EMC_STEELWALL_1,
5880   EL_EMC_STEELWALL_2,
5881   EL_EMC_STEELWALL_3,
5882   EL_EMC_STEELWALL_4,
5883
5884   EL_EMC_WALL_13,
5885   EL_EMC_WALL_14,
5886   EL_EMC_WALL_15,
5887   EL_EMC_WALL_16,
5888
5889   EL_EMC_WALL_SLIPPERY_1,
5890   EL_EMC_WALL_SLIPPERY_2,
5891   EL_EMC_WALL_SLIPPERY_3,
5892   EL_EMC_WALL_SLIPPERY_4,
5893
5894   EL_EMC_WALL_1,
5895   EL_EMC_WALL_2,
5896   EL_EMC_WALL_3,
5897   EL_EMC_WALL_4,
5898
5899   EL_EMC_WALL_5,
5900   EL_EMC_WALL_6,
5901   EL_EMC_WALL_7,
5902   EL_EMC_WALL_8,
5903
5904   EL_EMC_WALL_9,
5905   EL_EMC_WALL_10,
5906   EL_EMC_WALL_11,
5907   EL_EMC_WALL_12,
5908
5909   EL_EMC_GRASS,
5910   EL_EMC_FAKE_GRASS,
5911   EL_EMC_PLANT,
5912   EL_EMC_DRIPPER,
5913
5914   EL_EMC_MAGIC_BALL,
5915   EL_EMC_MAGIC_BALL_SWITCH,
5916   EL_EMC_LENSES,
5917   EL_EMC_MAGNIFIER,
5918
5919   EL_SPRING_LEFT,
5920   EL_SPRING,
5921   EL_SPRING_RIGHT,
5922   EL_EMC_SPRING_BUMPER,
5923
5924   EL_BALLOON,
5925   EL_YAMYAM_UP,
5926   EL_BALLOON_SWITCH_UP,
5927   EL_BALLOON_SWITCH_ANY,
5928
5929   EL_YAMYAM_LEFT,
5930   EL_BALLOON_SWITCH_LEFT,
5931   EL_YAMYAM_RIGHT,
5932   EL_BALLOON_SWITCH_RIGHT,
5933
5934   EL_EMC_ANDROID,
5935   EL_YAMYAM_DOWN,
5936   EL_BALLOON_SWITCH_DOWN,
5937   EL_BALLOON_SWITCH_NONE,
5938 };
5939 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5940 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5941 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5942 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5943
5944 static int editor_hl_rnd[] =
5945 {
5946   EL_INTERNAL_CASCADE_RND_ACTIVE,
5947   EL_CHAR('R'),
5948   EL_CHAR('N'),
5949   EL_CHAR('D'),
5950 };
5951
5952 static int editor_el_rnd[] =
5953 {
5954   EL_DYNAMITE,                  // RND
5955   EL_DYNAMITE_ACTIVE,           // RND
5956   EL_EMPTY,
5957   EL_EMPTY,
5958
5959   EL_KEY_1,
5960   EL_KEY_2,
5961   EL_KEY_3,
5962   EL_KEY_4,
5963
5964   EL_GATE_1,
5965   EL_GATE_2,
5966   EL_GATE_3,
5967   EL_GATE_4,
5968
5969   EL_GATE_1_GRAY,
5970   EL_GATE_2_GRAY,
5971   EL_GATE_3_GRAY,
5972   EL_GATE_4_GRAY,
5973
5974   EL_ARROW_LEFT,
5975   EL_ARROW_RIGHT,
5976   EL_ARROW_UP,
5977   EL_ARROW_DOWN,
5978
5979   EL_AMOEBA_DEAD,
5980   EL_AMOEBA_DRY,
5981   EL_AMOEBA_FULL,
5982   EL_GAME_OF_LIFE,
5983
5984   EL_EMERALD_YELLOW,
5985   EL_EMERALD_RED,
5986   EL_EMERALD_PURPLE,
5987   EL_BIOMAZE,
5988
5989   EL_WALL_EMERALD_YELLOW,
5990   EL_WALL_EMERALD_RED,
5991   EL_WALL_EMERALD_PURPLE,
5992   EL_WALL_BD_DIAMOND,
5993
5994   EL_SPEED_PILL,
5995   EL_PACMAN_UP,
5996   EL_TIME_ORB_FULL,
5997   EL_TIME_ORB_EMPTY,
5998
5999   EL_PACMAN_LEFT,
6000   EL_DARK_YAMYAM,
6001   EL_PACMAN_RIGHT,
6002   EL_YAMYAM,                    // RND
6003
6004   EL_BLACK_ORB,
6005   EL_PACMAN_DOWN,
6006   EL_LAMP,
6007   EL_LAMP_ACTIVE,
6008
6009   EL_DYNABOMB_INCREASE_NUMBER,
6010   EL_DYNABOMB_INCREASE_SIZE,
6011   EL_DYNABOMB_INCREASE_POWER,
6012   EL_STONEBLOCK,
6013
6014   EL_MOLE,
6015   EL_PENGUIN,
6016   EL_PIG,
6017   EL_DRAGON,
6018
6019   EL_BUG,
6020   EL_MOLE_UP,
6021   EL_BD_BUTTERFLY,
6022   EL_BD_FIREFLY,
6023
6024   EL_MOLE_LEFT,
6025   EL_SATELLITE,
6026   EL_MOLE_RIGHT,
6027   EL_PACMAN,
6028
6029   EL_SPACESHIP,
6030   EL_MOLE_DOWN,
6031   EL_INVISIBLE_STEELWALL,
6032   EL_INVISIBLE_WALL,
6033
6034   EL_EXPANDABLE_WALL,
6035   EL_EXPANDABLE_WALL_HORIZONTAL,
6036   EL_EXPANDABLE_WALL_VERTICAL,
6037   EL_EXPANDABLE_WALL_ANY,
6038 };
6039 static int *editor_hl_rnd_ptr = editor_hl_rnd;
6040 static int *editor_el_rnd_ptr = editor_el_rnd;
6041 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
6042 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
6043
6044 static int editor_hl_sokoban[] =
6045 {
6046   EL_INTERNAL_CASCADE_SB_ACTIVE,
6047   EL_CHAR('S'),
6048   EL_CHAR('B'),
6049   EL_EMPTY,
6050 };
6051
6052 static int editor_el_sokoban[] =
6053 {
6054   EL_SOKOBAN_OBJECT,
6055   EL_SOKOBAN_FIELD_EMPTY,
6056   EL_SOKOBAN_FIELD_FULL,
6057   EL_SOKOBAN_FIELD_PLAYER,
6058 };
6059 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
6060 static int *editor_el_sokoban_ptr = editor_el_sokoban;
6061 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
6062 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
6063
6064 static int editor_hl_supaplex[] =
6065 {
6066   EL_INTERNAL_CASCADE_SP_ACTIVE,
6067   EL_CHAR('S'),
6068   EL_CHAR('P'),
6069   EL_EMPTY,
6070 };
6071
6072 static int editor_el_supaplex[] =
6073 {
6074   EL_SP_MURPHY,
6075   EL_EMPTY,
6076   EL_SP_BASE,
6077   EL_SP_BUGGY_BASE,
6078
6079   EL_SP_INFOTRON,
6080   EL_SP_ZONK,
6081   EL_SP_SNIKSNAK,
6082   EL_SP_ELECTRON,
6083
6084   EL_SP_DISK_RED,
6085   EL_SP_DISK_ORANGE,
6086   EL_SP_DISK_YELLOW,
6087   EL_SP_TERMINAL,
6088
6089   EL_SP_EXIT_CLOSED,
6090   EL_SP_PORT_HORIZONTAL,
6091   EL_SP_PORT_VERTICAL,
6092   EL_SP_PORT_ANY,
6093
6094   EL_SP_PORT_LEFT,
6095   EL_SP_PORT_RIGHT,
6096   EL_SP_PORT_UP,
6097   EL_SP_PORT_DOWN,
6098
6099   EL_SP_GRAVITY_PORT_LEFT,
6100   EL_SP_GRAVITY_PORT_RIGHT,
6101   EL_SP_GRAVITY_PORT_UP,
6102   EL_SP_GRAVITY_PORT_DOWN,
6103
6104   EL_SP_GRAVITY_ON_PORT_LEFT,
6105   EL_SP_GRAVITY_ON_PORT_RIGHT,
6106   EL_SP_GRAVITY_ON_PORT_UP,
6107   EL_SP_GRAVITY_ON_PORT_DOWN,
6108
6109   EL_SP_GRAVITY_OFF_PORT_LEFT,
6110   EL_SP_GRAVITY_OFF_PORT_RIGHT,
6111   EL_SP_GRAVITY_OFF_PORT_UP,
6112   EL_SP_GRAVITY_OFF_PORT_DOWN,
6113
6114   EL_SP_HARDWARE_GRAY,
6115   EL_SP_HARDWARE_GREEN,
6116   EL_SP_HARDWARE_BLUE,
6117   EL_SP_HARDWARE_RED,
6118
6119   EL_SP_HARDWARE_BASE_1,
6120   EL_SP_HARDWARE_BASE_2,
6121   EL_SP_HARDWARE_BASE_3,
6122   EL_SP_HARDWARE_BASE_4,
6123
6124   EL_SP_HARDWARE_BASE_5,
6125   EL_SP_HARDWARE_BASE_6,
6126   EL_SP_HARDWARE_YELLOW,
6127   EL_SP_CHIP_TOP,
6128
6129   EL_SP_CHIP_SINGLE,
6130   EL_SP_CHIP_LEFT,
6131   EL_SP_CHIP_RIGHT,
6132   EL_SP_CHIP_BOTTOM,
6133 };
6134 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
6135 static int *editor_el_supaplex_ptr = editor_el_supaplex;
6136 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
6137 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
6138
6139 static int editor_hl_diamond_caves[] =
6140 {
6141   EL_INTERNAL_CASCADE_DC_ACTIVE,
6142   EL_CHAR('D'),
6143   EL_CHAR('C'),
6144   EL_CHAR('2'),
6145 };
6146
6147 static int editor_el_diamond_caves[] =
6148 {
6149   EL_EM_STEEL_EXIT_CLOSED,      // DC2
6150   EL_EM_STEEL_EXIT_OPEN,        // DC2
6151   EL_WALL_EMERALD,              // DC2
6152   EL_WALL_DIAMOND,              // DC2
6153
6154   EL_PEARL,
6155   EL_CRYSTAL,
6156   EL_WALL_PEARL,
6157   EL_WALL_CRYSTAL,
6158
6159   EL_CONVEYOR_BELT_1_LEFT,
6160   EL_CONVEYOR_BELT_1_MIDDLE,
6161   EL_CONVEYOR_BELT_1_RIGHT,
6162   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
6163
6164   EL_CONVEYOR_BELT_2_LEFT,
6165   EL_CONVEYOR_BELT_2_MIDDLE,
6166   EL_CONVEYOR_BELT_2_RIGHT,
6167   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
6168
6169   EL_CONVEYOR_BELT_3_LEFT,
6170   EL_CONVEYOR_BELT_3_MIDDLE,
6171   EL_CONVEYOR_BELT_3_RIGHT,
6172   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
6173
6174   EL_CONVEYOR_BELT_4_LEFT,
6175   EL_CONVEYOR_BELT_4_MIDDLE,
6176   EL_CONVEYOR_BELT_4_RIGHT,
6177   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
6178
6179   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
6180   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
6181   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
6182   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
6183
6184   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
6185   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
6186   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
6187   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
6188
6189   EL_TIMEGATE_CLOSED,
6190   EL_TIMEGATE_OPEN,
6191   EL_TIMEGATE_SWITCH,
6192   EL_DC_TIMEGATE_SWITCH,
6193
6194   EL_SWITCHGATE_CLOSED,
6195   EL_SWITCHGATE_OPEN,
6196   EL_SWITCHGATE_SWITCH_UP,
6197   EL_SWITCHGATE_SWITCH_DOWN,
6198
6199   EL_LIGHT_SWITCH,
6200   EL_LIGHT_SWITCH_ACTIVE,
6201   EL_DC_SWITCHGATE_SWITCH_UP,
6202   EL_DC_SWITCHGATE_SWITCH_DOWN,
6203
6204   EL_STEEL_EXIT_CLOSED,
6205   EL_STEEL_EXIT_OPEN,
6206   EL_STEELWALL_SLIPPERY,
6207   EL_INVISIBLE_SAND,
6208
6209   EL_QUICKSAND_FAST_EMPTY,
6210   EL_QUICKSAND_FAST_FULL,
6211   EL_LANDMINE,
6212   EL_DC_LANDMINE,
6213
6214   EL_SHIELD_NORMAL,
6215   EL_SHIELD_DEADLY,
6216   EL_EXTRA_TIME,
6217   EL_DC_MAGIC_WALL,
6218
6219   EL_ENVELOPE_1,
6220   EL_ENVELOPE_2,
6221   EL_ENVELOPE_3,
6222   EL_ENVELOPE_4,
6223
6224   EL_SIGN_RADIOACTIVITY,
6225   EL_SIGN_WHEELCHAIR,
6226   EL_SIGN_PARKING,
6227   EL_SIGN_NO_ENTRY,
6228
6229   EL_SIGN_GIVE_WAY,
6230   EL_SIGN_ENTRY_FORBIDDEN,
6231   EL_SIGN_EMERGENCY_EXIT,
6232   EL_SIGN_YIN_YANG,
6233
6234 #if 0
6235   EL_SIGN_SPERMS,
6236   EL_SIGN_BULLET,
6237   EL_SIGN_HEART,
6238   EL_SIGN_CROSS,
6239
6240   EL_SIGN_FRANKIE,
6241   EL_EMPTY,
6242   EL_EMPTY,
6243   EL_EMPTY,
6244
6245   EL_SPERMS,
6246   EL_BULLET,
6247   EL_HEART,
6248   EL_CROSS,
6249
6250   EL_FRANKIE,
6251   EL_EMPTY,
6252   EL_EMPTY,
6253   EL_EMPTY,
6254 #endif
6255
6256   EL_DC_STEELWALL_2_SINGLE,
6257   EL_DC_STEELWALL_2_TOP,
6258   EL_SIGN_EXCLAMATION,
6259   EL_SIGN_STOP,
6260
6261   EL_DC_STEELWALL_2_LEFT,
6262   EL_DC_STEELWALL_2_MIDDLE,
6263   EL_DC_STEELWALL_2_HORIZONTAL,
6264   EL_DC_STEELWALL_2_RIGHT,
6265
6266   EL_DC_STEELWALL_1_TOPLEFT,
6267   EL_DC_STEELWALL_2_VERTICAL,
6268   EL_DC_STEELWALL_1_TOPRIGHT,
6269   EL_DC_GATE_WHITE,
6270
6271   EL_DC_STEELWALL_1_VERTICAL,
6272   EL_DC_STEELWALL_2_BOTTOM,
6273   EL_DC_KEY_WHITE,
6274   EL_DC_GATE_WHITE_GRAY,
6275
6276   EL_DC_STEELWALL_1_BOTTOMLEFT,
6277   EL_DC_STEELWALL_1_HORIZONTAL,
6278   EL_DC_STEELWALL_1_BOTTOMRIGHT,
6279   EL_DC_GATE_FAKE_GRAY,
6280
6281   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
6282   EL_DC_STEELWALL_1_BOTTOM,
6283   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
6284   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
6285
6286   EL_DC_STEELWALL_1_RIGHT,
6287   EL_EMPTY,
6288   EL_DC_STEELWALL_1_LEFT,
6289   EL_EXPANDABLE_STEELWALL_VERTICAL,
6290
6291   EL_DC_STEELWALL_1_TOPRIGHT_2,
6292   EL_DC_STEELWALL_1_TOP,
6293   EL_DC_STEELWALL_1_TOPLEFT_2,
6294   EL_EXPANDABLE_STEELWALL_ANY,
6295 };
6296 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
6297 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
6298 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
6299 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
6300
6301 static int editor_hl_dx_boulderdash[] =
6302 {
6303   EL_INTERNAL_CASCADE_DX_ACTIVE,
6304   EL_CHAR('D'),
6305   EL_CHAR('X'),
6306   EL_EMPTY,
6307 };
6308
6309 static int editor_el_dx_boulderdash[] =
6310 {
6311   EL_EMPTY,
6312   EL_TUBE_RIGHT_DOWN,
6313   EL_TUBE_HORIZONTAL_DOWN,
6314   EL_TUBE_LEFT_DOWN,
6315
6316   EL_TUBE_HORIZONTAL,
6317   EL_TUBE_VERTICAL_RIGHT,
6318   EL_TUBE_ANY,
6319   EL_TUBE_VERTICAL_LEFT,
6320
6321   EL_TUBE_VERTICAL,
6322   EL_TUBE_RIGHT_UP,
6323   EL_TUBE_HORIZONTAL_UP,
6324   EL_TUBE_LEFT_UP,
6325
6326   EL_TRAP,
6327   EL_DX_SUPABOMB,
6328   EL_EMPTY,
6329   EL_EMPTY
6330 };
6331 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
6332 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
6333 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
6334 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
6335
6336 static int editor_hl_mirror_magic[] =
6337 {
6338   EL_INTERNAL_CASCADE_MM_ACTIVE,
6339   EL_CHAR('M'),
6340   EL_CHAR('M'),
6341   EL_EMPTY,
6342 };
6343
6344 static int editor_el_mirror_magic[] =
6345 {
6346   EL_MM_MCDUFFIN_RIGHT,
6347   EL_MM_MCDUFFIN_UP,
6348   EL_MM_MCDUFFIN_LEFT,
6349   EL_MM_MCDUFFIN_DOWN,
6350
6351   EL_MM_MIRROR_START,
6352   EL_MM_MIRROR_FIXED_START,
6353   EL_MM_POLARIZER_START,
6354   EL_MM_POLARIZER_CROSS_START,
6355
6356   EL_MM_TELEPORTER_RED_START,
6357   EL_MM_TELEPORTER_YELLOW_START,
6358   EL_MM_TELEPORTER_GREEN_START,
6359   EL_MM_TELEPORTER_BLUE_START,
6360
6361   EL_MM_PRISM,
6362   EL_MM_FUSE_ACTIVE,
6363   EL_MM_PACMAN_RIGHT,
6364   EL_MM_EXIT_CLOSED,
6365
6366   EL_MM_KETTLE,
6367   EL_MM_BOMB,
6368   EL_MM_KEY,
6369   EL_MM_FUEL_FULL,
6370
6371   EL_MM_LIGHTBULB,
6372   EL_MM_LIGHTBULB_ACTIVE,
6373   EL_MM_GRAY_BALL,
6374   EL_MM_LIGHTBALL,
6375
6376   EL_MM_STEEL_WALL,
6377   EL_MM_WOODEN_WALL,
6378   EL_MM_ICE_WALL,
6379   EL_MM_AMOEBA_WALL,
6380
6381   EL_MM_STEEL_LOCK,
6382   EL_MM_WOODEN_LOCK,
6383   EL_MM_STEEL_BLOCK,
6384   EL_MM_WOODEN_BLOCK,
6385
6386   EL_MM_STEEL_GRID_FIXED_1,
6387   EL_MM_STEEL_GRID_FIXED_2,
6388   EL_MM_STEEL_GRID_FIXED_3,
6389   EL_MM_STEEL_GRID_FIXED_4,
6390
6391   EL_MM_WOODEN_GRID_FIXED_1,
6392   EL_MM_WOODEN_GRID_FIXED_2,
6393   EL_MM_WOODEN_GRID_FIXED_3,
6394   EL_MM_WOODEN_GRID_FIXED_4,
6395
6396   EL_MM_ENVELOPE_1,
6397   EL_MM_ENVELOPE_2,
6398   EL_MM_ENVELOPE_3,
6399   EL_MM_ENVELOPE_4
6400 };
6401 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
6402 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
6403 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
6404 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
6405
6406 static int editor_hl_deflektor[] =
6407 {
6408   EL_INTERNAL_CASCADE_DF_ACTIVE,
6409   EL_CHAR('D'),
6410   EL_CHAR('F'),
6411   EL_EMPTY,
6412 };
6413
6414 static int editor_el_deflektor[] =
6415 {
6416   EL_DF_LASER_RIGHT,
6417   EL_DF_LASER_UP,
6418   EL_DF_LASER_LEFT,
6419   EL_DF_LASER_DOWN,
6420
6421   EL_DF_RECEIVER_RIGHT,
6422   EL_DF_RECEIVER_UP,
6423   EL_DF_RECEIVER_LEFT,
6424   EL_DF_RECEIVER_DOWN,
6425
6426   EL_DF_MIRROR_START,
6427   EL_DF_MIRROR_ROTATING_START,
6428   EL_DF_MIRROR_FIXED_START,
6429   EL_DF_CELL,
6430
6431   EL_DF_FIBRE_OPTIC_RED_1,
6432   EL_DF_FIBRE_OPTIC_YELLOW_1,
6433   EL_DF_FIBRE_OPTIC_GREEN_1,
6434   EL_DF_FIBRE_OPTIC_BLUE_1,
6435
6436   EL_DF_STEEL_GRID_FIXED_START,
6437   EL_DF_STEEL_GRID_ROTATING_START,
6438   EL_DF_WOODEN_GRID_FIXED_START,
6439   EL_DF_WOODEN_GRID_ROTATING_START,
6440
6441   EL_DF_STEEL_WALL,
6442   EL_DF_WOODEN_WALL,
6443   EL_DF_REFRACTOR,
6444   EL_DF_MINE,
6445
6446   EL_DF_SLOPE_1,
6447   EL_DF_SLOPE_2,
6448   EL_DF_SLOPE_3,
6449   EL_DF_SLOPE_4
6450 };
6451 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
6452 static int *editor_el_deflektor_ptr = editor_el_deflektor;
6453 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
6454 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
6455
6456 static int editor_hl_chars[] =
6457 {
6458   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
6459   EL_CHAR('T'),
6460   EL_CHAR('X'),
6461   EL_CHAR('T'),
6462 };
6463
6464 static int editor_el_chars[] =
6465 {
6466   EL_CHAR(' '),
6467   EL_CHAR('!'),
6468   EL_CHAR('"'),
6469   EL_CHAR('#'),
6470
6471   EL_CHAR('$'),
6472   EL_CHAR('%'),
6473   EL_CHAR('&'),
6474   EL_CHAR('\''),
6475
6476   EL_CHAR('('),
6477   EL_CHAR(')'),
6478   EL_CHAR('*'),
6479   EL_CHAR('+'),
6480
6481   EL_CHAR(','),
6482   EL_CHAR('-'),
6483   EL_CHAR('.'),
6484   EL_CHAR('/'),
6485
6486   EL_CHAR('0'),
6487   EL_CHAR('1'),
6488   EL_CHAR('2'),
6489   EL_CHAR('3'),
6490
6491   EL_CHAR('4'),
6492   EL_CHAR('5'),
6493   EL_CHAR('6'),
6494   EL_CHAR('7'),
6495
6496   EL_CHAR('8'),
6497   EL_CHAR('9'),
6498   EL_CHAR(':'),
6499   EL_CHAR(';'),
6500
6501   EL_CHAR('<'),
6502   EL_CHAR('='),
6503   EL_CHAR('>'),
6504   EL_CHAR('?'),
6505
6506   EL_CHAR('@'),
6507   EL_CHAR('A'),
6508   EL_CHAR('B'),
6509   EL_CHAR('C'),
6510
6511   EL_CHAR('D'),
6512   EL_CHAR('E'),
6513   EL_CHAR('F'),
6514   EL_CHAR('G'),
6515
6516   EL_CHAR('H'),
6517   EL_CHAR('I'),
6518   EL_CHAR('J'),
6519   EL_CHAR('K'),
6520
6521   EL_CHAR('L'),
6522   EL_CHAR('M'),
6523   EL_CHAR('N'),
6524   EL_CHAR('O'),
6525
6526   EL_CHAR('P'),
6527   EL_CHAR('Q'),
6528   EL_CHAR('R'),
6529   EL_CHAR('S'),
6530
6531   EL_CHAR('T'),
6532   EL_CHAR('U'),
6533   EL_CHAR('V'),
6534   EL_CHAR('W'),
6535
6536   EL_CHAR('X'),
6537   EL_CHAR('Y'),
6538   EL_CHAR('Z'),
6539   EL_CHAR('['),
6540
6541   EL_CHAR('\\'),
6542   EL_CHAR(']'),
6543   EL_CHAR('^'),
6544   EL_CHAR('_'),
6545
6546   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6547   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6548   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6549   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6550
6551   EL_CHAR(CHAR_BYTE_DEGREE),
6552   EL_CHAR(CHAR_BYTE_REGISTERED),
6553   EL_CHAR(FONT_ASCII_CURSOR),
6554   EL_CHAR(FONT_ASCII_BUTTON),
6555
6556   EL_CHAR(FONT_ASCII_UP),
6557   EL_CHAR(FONT_ASCII_DOWN),
6558   EL_CHAR(' '),
6559   EL_CHAR(' ')
6560 };
6561 static int *editor_hl_chars_ptr = editor_hl_chars;
6562 static int *editor_el_chars_ptr = editor_el_chars;
6563 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6564 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6565
6566 static int editor_hl_steel_chars[] =
6567 {
6568   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6569   EL_STEEL_CHAR('T'),
6570   EL_STEEL_CHAR('X'),
6571   EL_STEEL_CHAR('T'),
6572 };
6573
6574 static int editor_el_steel_chars[] =
6575 {
6576   EL_STEEL_CHAR(' '),
6577   EL_STEEL_CHAR('!'),
6578   EL_STEEL_CHAR('"'),
6579   EL_STEEL_CHAR('#'),
6580
6581   EL_STEEL_CHAR('$'),
6582   EL_STEEL_CHAR('%'),
6583   EL_STEEL_CHAR('&'),
6584   EL_STEEL_CHAR('\''),
6585
6586   EL_STEEL_CHAR('('),
6587   EL_STEEL_CHAR(')'),
6588   EL_STEEL_CHAR('*'),
6589   EL_STEEL_CHAR('+'),
6590
6591   EL_STEEL_CHAR(','),
6592   EL_STEEL_CHAR('-'),
6593   EL_STEEL_CHAR('.'),
6594   EL_STEEL_CHAR('/'),
6595
6596   EL_STEEL_CHAR('0'),
6597   EL_STEEL_CHAR('1'),
6598   EL_STEEL_CHAR('2'),
6599   EL_STEEL_CHAR('3'),
6600
6601   EL_STEEL_CHAR('4'),
6602   EL_STEEL_CHAR('5'),
6603   EL_STEEL_CHAR('6'),
6604   EL_STEEL_CHAR('7'),
6605
6606   EL_STEEL_CHAR('8'),
6607   EL_STEEL_CHAR('9'),
6608   EL_STEEL_CHAR(':'),
6609   EL_STEEL_CHAR(';'),
6610
6611   EL_STEEL_CHAR('<'),
6612   EL_STEEL_CHAR('='),
6613   EL_STEEL_CHAR('>'),
6614   EL_STEEL_CHAR('?'),
6615
6616   EL_STEEL_CHAR('@'),
6617   EL_STEEL_CHAR('A'),
6618   EL_STEEL_CHAR('B'),
6619   EL_STEEL_CHAR('C'),
6620
6621   EL_STEEL_CHAR('D'),
6622   EL_STEEL_CHAR('E'),
6623   EL_STEEL_CHAR('F'),
6624   EL_STEEL_CHAR('G'),
6625
6626   EL_STEEL_CHAR('H'),
6627   EL_STEEL_CHAR('I'),
6628   EL_STEEL_CHAR('J'),
6629   EL_STEEL_CHAR('K'),
6630
6631   EL_STEEL_CHAR('L'),
6632   EL_STEEL_CHAR('M'),
6633   EL_STEEL_CHAR('N'),
6634   EL_STEEL_CHAR('O'),
6635
6636   EL_STEEL_CHAR('P'),
6637   EL_STEEL_CHAR('Q'),
6638   EL_STEEL_CHAR('R'),
6639   EL_STEEL_CHAR('S'),
6640
6641   EL_STEEL_CHAR('T'),
6642   EL_STEEL_CHAR('U'),
6643   EL_STEEL_CHAR('V'),
6644   EL_STEEL_CHAR('W'),
6645
6646   EL_STEEL_CHAR('X'),
6647   EL_STEEL_CHAR('Y'),
6648   EL_STEEL_CHAR('Z'),
6649   EL_STEEL_CHAR('['),
6650
6651   EL_STEEL_CHAR('\\'),
6652   EL_STEEL_CHAR(']'),
6653   EL_STEEL_CHAR('^'),
6654   EL_STEEL_CHAR('_'),
6655
6656   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6657   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6658   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6659   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6660
6661   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6662   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6663   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6664   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6665
6666   EL_STEEL_CHAR(FONT_ASCII_UP),
6667   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6668   EL_STEEL_CHAR(' '),
6669   EL_STEEL_CHAR(' ')
6670 };
6671 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6672 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6673 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6674 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6675
6676 static int editor_hl_custom[] =
6677 {
6678   EL_INTERNAL_CASCADE_CE_ACTIVE,
6679   EL_CHAR('C'),
6680   EL_CHAR('E'),
6681   EL_EMPTY,
6682 };
6683
6684 static int editor_el_custom[] =
6685 {
6686   EL_CUSTOM_START + 0,
6687   EL_CUSTOM_START + 1,
6688   EL_CUSTOM_START + 2,
6689   EL_CUSTOM_START + 3,
6690
6691   EL_CUSTOM_START + 4,
6692   EL_CUSTOM_START + 5,
6693   EL_CUSTOM_START + 6,
6694   EL_CUSTOM_START + 7,
6695
6696   EL_CUSTOM_START + 8,
6697   EL_CUSTOM_START + 9,
6698   EL_CUSTOM_START + 10,
6699   EL_CUSTOM_START + 11,
6700
6701   EL_CUSTOM_START + 12,
6702   EL_CUSTOM_START + 13,
6703   EL_CUSTOM_START + 14,
6704   EL_CUSTOM_START + 15,
6705
6706   EL_CUSTOM_START + 16,
6707   EL_CUSTOM_START + 17,
6708   EL_CUSTOM_START + 18,
6709   EL_CUSTOM_START + 19,
6710
6711   EL_CUSTOM_START + 20,
6712   EL_CUSTOM_START + 21,
6713   EL_CUSTOM_START + 22,
6714   EL_CUSTOM_START + 23,
6715
6716   EL_CUSTOM_START + 24,
6717   EL_CUSTOM_START + 25,
6718   EL_CUSTOM_START + 26,
6719   EL_CUSTOM_START + 27,
6720
6721   EL_CUSTOM_START + 28,
6722   EL_CUSTOM_START + 29,
6723   EL_CUSTOM_START + 30,
6724   EL_CUSTOM_START + 31,
6725
6726   EL_CUSTOM_START + 32,
6727   EL_CUSTOM_START + 33,
6728   EL_CUSTOM_START + 34,
6729   EL_CUSTOM_START + 35,
6730
6731   EL_CUSTOM_START + 36,
6732   EL_CUSTOM_START + 37,
6733   EL_CUSTOM_START + 38,
6734   EL_CUSTOM_START + 39,
6735
6736   EL_CUSTOM_START + 40,
6737   EL_CUSTOM_START + 41,
6738   EL_CUSTOM_START + 42,
6739   EL_CUSTOM_START + 43,
6740
6741   EL_CUSTOM_START + 44,
6742   EL_CUSTOM_START + 45,
6743   EL_CUSTOM_START + 46,
6744   EL_CUSTOM_START + 47,
6745
6746   EL_CUSTOM_START + 48,
6747   EL_CUSTOM_START + 49,
6748   EL_CUSTOM_START + 50,
6749   EL_CUSTOM_START + 51,
6750
6751   EL_CUSTOM_START + 52,
6752   EL_CUSTOM_START + 53,
6753   EL_CUSTOM_START + 54,
6754   EL_CUSTOM_START + 55,
6755
6756   EL_CUSTOM_START + 56,
6757   EL_CUSTOM_START + 57,
6758   EL_CUSTOM_START + 58,
6759   EL_CUSTOM_START + 59,
6760
6761   EL_CUSTOM_START + 60,
6762   EL_CUSTOM_START + 61,
6763   EL_CUSTOM_START + 62,
6764   EL_CUSTOM_START + 63,
6765
6766   EL_CUSTOM_START + 64,
6767   EL_CUSTOM_START + 65,
6768   EL_CUSTOM_START + 66,
6769   EL_CUSTOM_START + 67,
6770
6771   EL_CUSTOM_START + 68,
6772   EL_CUSTOM_START + 69,
6773   EL_CUSTOM_START + 70,
6774   EL_CUSTOM_START + 71,
6775
6776   EL_CUSTOM_START + 72,
6777   EL_CUSTOM_START + 73,
6778   EL_CUSTOM_START + 74,
6779   EL_CUSTOM_START + 75,
6780
6781   EL_CUSTOM_START + 76,
6782   EL_CUSTOM_START + 77,
6783   EL_CUSTOM_START + 78,
6784   EL_CUSTOM_START + 79,
6785
6786   EL_CUSTOM_START + 80,
6787   EL_CUSTOM_START + 81,
6788   EL_CUSTOM_START + 82,
6789   EL_CUSTOM_START + 83,
6790
6791   EL_CUSTOM_START + 84,
6792   EL_CUSTOM_START + 85,
6793   EL_CUSTOM_START + 86,
6794   EL_CUSTOM_START + 87,
6795
6796   EL_CUSTOM_START + 88,
6797   EL_CUSTOM_START + 89,
6798   EL_CUSTOM_START + 90,
6799   EL_CUSTOM_START + 91,
6800
6801   EL_CUSTOM_START + 92,
6802   EL_CUSTOM_START + 93,
6803   EL_CUSTOM_START + 94,
6804   EL_CUSTOM_START + 95,
6805
6806   EL_CUSTOM_START + 96,
6807   EL_CUSTOM_START + 97,
6808   EL_CUSTOM_START + 98,
6809   EL_CUSTOM_START + 99,
6810
6811   EL_CUSTOM_START + 100,
6812   EL_CUSTOM_START + 101,
6813   EL_CUSTOM_START + 102,
6814   EL_CUSTOM_START + 103,
6815
6816   EL_CUSTOM_START + 104,
6817   EL_CUSTOM_START + 105,
6818   EL_CUSTOM_START + 106,
6819   EL_CUSTOM_START + 107,
6820
6821   EL_CUSTOM_START + 108,
6822   EL_CUSTOM_START + 109,
6823   EL_CUSTOM_START + 110,
6824   EL_CUSTOM_START + 111,
6825
6826   EL_CUSTOM_START + 112,
6827   EL_CUSTOM_START + 113,
6828   EL_CUSTOM_START + 114,
6829   EL_CUSTOM_START + 115,
6830
6831   EL_CUSTOM_START + 116,
6832   EL_CUSTOM_START + 117,
6833   EL_CUSTOM_START + 118,
6834   EL_CUSTOM_START + 119,
6835
6836   EL_CUSTOM_START + 120,
6837   EL_CUSTOM_START + 121,
6838   EL_CUSTOM_START + 122,
6839   EL_CUSTOM_START + 123,
6840
6841   EL_CUSTOM_START + 124,
6842   EL_CUSTOM_START + 125,
6843   EL_CUSTOM_START + 126,
6844   EL_CUSTOM_START + 127,
6845
6846   EL_CUSTOM_START + 128,
6847   EL_CUSTOM_START + 129,
6848   EL_CUSTOM_START + 130,
6849   EL_CUSTOM_START + 131,
6850
6851   EL_CUSTOM_START + 132,
6852   EL_CUSTOM_START + 133,
6853   EL_CUSTOM_START + 134,
6854   EL_CUSTOM_START + 135,
6855
6856   EL_CUSTOM_START + 136,
6857   EL_CUSTOM_START + 137,
6858   EL_CUSTOM_START + 138,
6859   EL_CUSTOM_START + 139,
6860
6861   EL_CUSTOM_START + 140,
6862   EL_CUSTOM_START + 141,
6863   EL_CUSTOM_START + 142,
6864   EL_CUSTOM_START + 143,
6865
6866   EL_CUSTOM_START + 144,
6867   EL_CUSTOM_START + 145,
6868   EL_CUSTOM_START + 146,
6869   EL_CUSTOM_START + 147,
6870
6871   EL_CUSTOM_START + 148,
6872   EL_CUSTOM_START + 149,
6873   EL_CUSTOM_START + 150,
6874   EL_CUSTOM_START + 151,
6875
6876   EL_CUSTOM_START + 152,
6877   EL_CUSTOM_START + 153,
6878   EL_CUSTOM_START + 154,
6879   EL_CUSTOM_START + 155,
6880
6881   EL_CUSTOM_START + 156,
6882   EL_CUSTOM_START + 157,
6883   EL_CUSTOM_START + 158,
6884   EL_CUSTOM_START + 159,
6885
6886   EL_CUSTOM_START + 160,
6887   EL_CUSTOM_START + 161,
6888   EL_CUSTOM_START + 162,
6889   EL_CUSTOM_START + 163,
6890
6891   EL_CUSTOM_START + 164,
6892   EL_CUSTOM_START + 165,
6893   EL_CUSTOM_START + 166,
6894   EL_CUSTOM_START + 167,
6895
6896   EL_CUSTOM_START + 168,
6897   EL_CUSTOM_START + 169,
6898   EL_CUSTOM_START + 170,
6899   EL_CUSTOM_START + 171,
6900
6901   EL_CUSTOM_START + 172,
6902   EL_CUSTOM_START + 173,
6903   EL_CUSTOM_START + 174,
6904   EL_CUSTOM_START + 175,
6905
6906   EL_CUSTOM_START + 176,
6907   EL_CUSTOM_START + 177,
6908   EL_CUSTOM_START + 178,
6909   EL_CUSTOM_START + 179,
6910
6911   EL_CUSTOM_START + 180,
6912   EL_CUSTOM_START + 181,
6913   EL_CUSTOM_START + 182,
6914   EL_CUSTOM_START + 183,
6915
6916   EL_CUSTOM_START + 184,
6917   EL_CUSTOM_START + 185,
6918   EL_CUSTOM_START + 186,
6919   EL_CUSTOM_START + 187,
6920
6921   EL_CUSTOM_START + 188,
6922   EL_CUSTOM_START + 189,
6923   EL_CUSTOM_START + 190,
6924   EL_CUSTOM_START + 191,
6925
6926   EL_CUSTOM_START + 192,
6927   EL_CUSTOM_START + 193,
6928   EL_CUSTOM_START + 194,
6929   EL_CUSTOM_START + 195,
6930
6931   EL_CUSTOM_START + 196,
6932   EL_CUSTOM_START + 197,
6933   EL_CUSTOM_START + 198,
6934   EL_CUSTOM_START + 199,
6935
6936   EL_CUSTOM_START + 200,
6937   EL_CUSTOM_START + 201,
6938   EL_CUSTOM_START + 202,
6939   EL_CUSTOM_START + 203,
6940
6941   EL_CUSTOM_START + 204,
6942   EL_CUSTOM_START + 205,
6943   EL_CUSTOM_START + 206,
6944   EL_CUSTOM_START + 207,
6945
6946   EL_CUSTOM_START + 208,
6947   EL_CUSTOM_START + 209,
6948   EL_CUSTOM_START + 210,
6949   EL_CUSTOM_START + 211,
6950
6951   EL_CUSTOM_START + 212,
6952   EL_CUSTOM_START + 213,
6953   EL_CUSTOM_START + 214,
6954   EL_CUSTOM_START + 215,
6955
6956   EL_CUSTOM_START + 216,
6957   EL_CUSTOM_START + 217,
6958   EL_CUSTOM_START + 218,
6959   EL_CUSTOM_START + 219,
6960
6961   EL_CUSTOM_START + 220,
6962   EL_CUSTOM_START + 221,
6963   EL_CUSTOM_START + 222,
6964   EL_CUSTOM_START + 223,
6965
6966   EL_CUSTOM_START + 224,
6967   EL_CUSTOM_START + 225,
6968   EL_CUSTOM_START + 226,
6969   EL_CUSTOM_START + 227,
6970
6971   EL_CUSTOM_START + 228,
6972   EL_CUSTOM_START + 229,
6973   EL_CUSTOM_START + 230,
6974   EL_CUSTOM_START + 231,
6975
6976   EL_CUSTOM_START + 232,
6977   EL_CUSTOM_START + 233,
6978   EL_CUSTOM_START + 234,
6979   EL_CUSTOM_START + 235,
6980
6981   EL_CUSTOM_START + 236,
6982   EL_CUSTOM_START + 237,
6983   EL_CUSTOM_START + 238,
6984   EL_CUSTOM_START + 239,
6985
6986   EL_CUSTOM_START + 240,
6987   EL_CUSTOM_START + 241,
6988   EL_CUSTOM_START + 242,
6989   EL_CUSTOM_START + 243,
6990
6991   EL_CUSTOM_START + 244,
6992   EL_CUSTOM_START + 245,
6993   EL_CUSTOM_START + 246,
6994   EL_CUSTOM_START + 247,
6995
6996   EL_CUSTOM_START + 248,
6997   EL_CUSTOM_START + 249,
6998   EL_CUSTOM_START + 250,
6999   EL_CUSTOM_START + 251,
7000
7001   EL_CUSTOM_START + 252,
7002   EL_CUSTOM_START + 253,
7003   EL_CUSTOM_START + 254,
7004   EL_CUSTOM_START + 255
7005 };
7006 static int *editor_hl_custom_ptr = editor_hl_custom;
7007 static int *editor_el_custom_ptr = editor_el_custom;
7008 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
7009 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
7010
7011 static int editor_hl_group[] =
7012 {
7013   EL_INTERNAL_CASCADE_GE_ACTIVE,
7014   EL_CHAR('G'),
7015   EL_CHAR('E'),
7016   EL_EMPTY,
7017 };
7018
7019 static int editor_el_group[] =
7020 {
7021   EL_GROUP_START + 0,
7022   EL_GROUP_START + 1,
7023   EL_GROUP_START + 2,
7024   EL_GROUP_START + 3,
7025
7026   EL_GROUP_START + 4,
7027   EL_GROUP_START + 5,
7028   EL_GROUP_START + 6,
7029   EL_GROUP_START + 7,
7030
7031   EL_GROUP_START + 8,
7032   EL_GROUP_START + 9,
7033   EL_GROUP_START + 10,
7034   EL_GROUP_START + 11,
7035
7036   EL_GROUP_START + 12,
7037   EL_GROUP_START + 13,
7038   EL_GROUP_START + 14,
7039   EL_GROUP_START + 15,
7040
7041   EL_GROUP_START + 16,
7042   EL_GROUP_START + 17,
7043   EL_GROUP_START + 18,
7044   EL_GROUP_START + 19,
7045
7046   EL_GROUP_START + 20,
7047   EL_GROUP_START + 21,
7048   EL_GROUP_START + 22,
7049   EL_GROUP_START + 23,
7050
7051   EL_GROUP_START + 24,
7052   EL_GROUP_START + 25,
7053   EL_GROUP_START + 26,
7054   EL_GROUP_START + 27,
7055
7056   EL_GROUP_START + 28,
7057   EL_GROUP_START + 29,
7058   EL_GROUP_START + 30,
7059   EL_GROUP_START + 31
7060 };
7061 static int *editor_hl_group_ptr = editor_hl_group;
7062 static int *editor_el_group_ptr = editor_el_group;
7063 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
7064 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
7065
7066 static int editor_hl_empty_space[] =
7067 {
7068   EL_INTERNAL_CASCADE_ES_ACTIVE,
7069   EL_CHAR('E'),
7070   EL_CHAR('S'),
7071   EL_EMPTY,
7072 };
7073
7074 static int editor_el_empty_space[] =
7075 {
7076   EL_EMPTY_SPACE_1,
7077   EL_EMPTY_SPACE_2,
7078   EL_EMPTY_SPACE_3,
7079   EL_EMPTY_SPACE_4,
7080
7081   EL_EMPTY_SPACE_5,
7082   EL_EMPTY_SPACE_6,
7083   EL_EMPTY_SPACE_7,
7084   EL_EMPTY_SPACE_8,
7085
7086   EL_EMPTY_SPACE_9,
7087   EL_EMPTY_SPACE_10,
7088   EL_EMPTY_SPACE_11,
7089   EL_EMPTY_SPACE_12,
7090
7091   EL_EMPTY_SPACE_13,
7092   EL_EMPTY_SPACE_14,
7093   EL_EMPTY_SPACE_15,
7094   EL_EMPTY_SPACE_16
7095 };
7096 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
7097 static int *editor_el_empty_space_ptr = editor_el_empty_space;
7098 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
7099 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
7100
7101 static int editor_hl_reference[] =
7102 {
7103   EL_INTERNAL_CASCADE_REF_ACTIVE,
7104   EL_CHAR('R'),
7105   EL_CHAR('E'),
7106   EL_CHAR('F')
7107 };
7108
7109 static int editor_el_reference[] =
7110 {
7111   EL_TRIGGER_PLAYER,
7112   EL_TRIGGER_ELEMENT,
7113   EL_TRIGGER_CE_VALUE,
7114   EL_TRIGGER_CE_SCORE,
7115
7116   EL_SELF,
7117   EL_ANY_ELEMENT,
7118   EL_CURRENT_CE_VALUE,
7119   EL_CURRENT_CE_SCORE,
7120
7121   EL_PREV_CE_8,
7122   EL_PREV_CE_7,
7123   EL_PREV_CE_6,
7124   EL_PREV_CE_5,
7125
7126   EL_PREV_CE_4,
7127   EL_PREV_CE_3,
7128   EL_PREV_CE_2,
7129   EL_PREV_CE_1,
7130
7131   EL_NEXT_CE_1,
7132   EL_NEXT_CE_2,
7133   EL_NEXT_CE_3,
7134   EL_NEXT_CE_4,
7135
7136   EL_NEXT_CE_5,
7137   EL_NEXT_CE_6,
7138   EL_NEXT_CE_7,
7139   EL_NEXT_CE_8,
7140 };
7141 static int *editor_hl_reference_ptr = editor_hl_reference;
7142 static int *editor_el_reference_ptr = editor_el_reference;
7143 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
7144 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
7145
7146 static int editor_hl_user_defined[] =
7147 {
7148   EL_INTERNAL_CASCADE_USER_ACTIVE,
7149   EL_CHAR('M'),
7150   EL_CHAR('Y'),
7151   EL_EMPTY,
7152 };
7153
7154 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
7155 static int *editor_el_user_defined_ptr = NULL;
7156 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
7157 static int num_editor_el_user_defined = 0;
7158
7159 static int editor_hl_dynamic[] =
7160 {
7161   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
7162   EL_CHAR('U'),
7163   EL_CHAR('S'),
7164   EL_CHAR('E'),
7165 };
7166
7167 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
7168 static int *editor_el_dynamic_ptr = NULL;
7169 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
7170 static int num_editor_el_dynamic = 0;
7171
7172 static int editor_hl_empty[] = { EL_EMPTY };
7173 static int *editor_el_empty = NULL;     // dynamically allocated
7174
7175 static int *editor_hl_empty_ptr = editor_hl_empty;
7176 static int *editor_el_empty_ptr = NULL;
7177 static int num_editor_hl_empty = 0;
7178 static int num_editor_el_empty = 0;     // dynamically determined, if needed
7179
7180 static boolean use_el_empty = FALSE;
7181
7182 static int *editor_elements = NULL;     // dynamically allocated
7183 static int num_editor_elements = 0;     // dynamically determined
7184
7185 static boolean setup_editor_cascade_never = FALSE;
7186
7187 static boolean setup_editor_el_players                  = TRUE;
7188 static boolean setup_editor_el_boulderdash              = TRUE;
7189 static boolean setup_editor_el_boulderdash_native       = TRUE;
7190 static boolean setup_editor_el_boulderdash_effects      = TRUE;
7191 static boolean setup_editor_el_emerald_mine             = TRUE;
7192 static boolean setup_editor_el_emerald_mine_club        = TRUE;
7193 static boolean setup_editor_el_more                     = TRUE;
7194 static boolean setup_editor_el_sokoban                  = TRUE;
7195 static boolean setup_editor_el_supaplex                 = TRUE;
7196 static boolean setup_editor_el_diamond_caves            = TRUE;
7197 static boolean setup_editor_el_dx_boulderdash           = TRUE;
7198 static boolean setup_editor_el_mirror_magic             = TRUE;
7199 static boolean setup_editor_el_deflektor                = TRUE;
7200 static boolean setup_editor_el_chars                    = TRUE;
7201 static boolean setup_editor_el_steel_chars              = TRUE;
7202 static boolean setup_editor_el_custom                   = TRUE;
7203 static boolean setup_editor_el_user_defined             = TRUE;
7204 static boolean setup_editor_el_dynamic                  = TRUE;
7205
7206 static int editor_hl_unused[] = { EL_EMPTY };
7207 static int *editor_hl_unused_ptr = editor_hl_unused;
7208 static int num_editor_hl_unused = 0;
7209
7210 static struct
7211 {
7212   boolean *setup_value;
7213   boolean *setup_cascade_value;
7214
7215   int **headline_list;
7216   int *headline_list_size;
7217
7218   int **element_list;
7219   int *element_list_size;
7220
7221   boolean last_setup_value;
7222 }
7223 editor_elements_info[] =
7224 {
7225   {
7226     &setup_editor_el_players,
7227     &setup_editor_cascade_never,
7228     &editor_hl_unused_ptr,              &num_editor_hl_unused,
7229     &editor_el_players_ptr,             &num_editor_el_players
7230   },
7231   {
7232     &setup_editor_el_boulderdash,
7233     &setup.editor_cascade.el_bd,
7234     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
7235     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
7236   },
7237   {
7238     &setup_editor_el_boulderdash_native,
7239     &setup.editor_cascade.el_bd_native,
7240     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
7241     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
7242   },
7243   {
7244     &setup_editor_el_boulderdash_effects,
7245     &setup.editor_cascade.el_bd_effects,
7246     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
7247     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
7248   },
7249   {
7250     &setup_editor_el_emerald_mine,
7251     &setup.editor_cascade.el_em,
7252     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
7253     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
7254   },
7255   {
7256     &setup_editor_el_emerald_mine_club,
7257     &setup.editor_cascade.el_emc,
7258     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
7259     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
7260   },
7261   {
7262     &setup_editor_el_more,
7263     &setup.editor_cascade.el_rnd,
7264     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
7265     &editor_el_rnd_ptr,                 &num_editor_el_rnd
7266   },
7267   {
7268     &setup_editor_el_sokoban,
7269     &setup.editor_cascade.el_sb,
7270     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
7271     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
7272   },
7273   {
7274     &setup_editor_el_supaplex,
7275     &setup.editor_cascade.el_sp,
7276     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
7277     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
7278   },
7279   {
7280     &setup_editor_el_diamond_caves,
7281     &setup.editor_cascade.el_dc,
7282     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
7283     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
7284   },
7285   {
7286     &setup_editor_el_dx_boulderdash,
7287     &setup.editor_cascade.el_dx,
7288     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
7289     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
7290   },
7291   {
7292     &setup_editor_el_mirror_magic,
7293     &setup.editor_cascade.el_mm,
7294     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
7295     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
7296   },
7297   {
7298     &setup_editor_el_deflektor,
7299     &setup.editor_cascade.el_df,
7300     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
7301     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
7302   },
7303   {
7304     &setup_editor_el_chars,
7305     &setup.editor_cascade.el_chars,
7306     &editor_hl_chars_ptr,               &num_editor_hl_chars,
7307     &editor_el_chars_ptr,               &num_editor_el_chars
7308   },
7309   {
7310     &setup_editor_el_steel_chars,
7311     &setup.editor_cascade.el_steel_chars,
7312     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
7313     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
7314   },
7315   {
7316     &setup_editor_el_custom,
7317     &setup.editor_cascade.el_ce,
7318     &editor_hl_custom_ptr,              &num_editor_hl_custom,
7319     &editor_el_custom_ptr,              &num_editor_el_custom
7320   },
7321   {
7322     &setup_editor_el_custom,
7323     &setup.editor_cascade.el_ge,
7324     &editor_hl_group_ptr,               &num_editor_hl_group,
7325     &editor_el_group_ptr,               &num_editor_el_group
7326   },
7327   {
7328     &setup_editor_el_custom,
7329     &setup.editor_cascade.el_es,
7330     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
7331     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
7332   },
7333   {
7334     &setup_editor_el_custom,
7335     &setup.editor_cascade.el_ref,
7336     &editor_hl_reference_ptr,           &num_editor_hl_reference,
7337     &editor_el_reference_ptr,           &num_editor_el_reference
7338   },
7339   {
7340     &setup_editor_el_user_defined,
7341     &setup.editor_cascade.el_user,
7342     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
7343     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
7344   },
7345   {
7346     &setup_editor_el_dynamic,
7347     &setup.editor_cascade.el_dynamic,
7348     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
7349     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
7350   },
7351   {
7352     &use_el_empty,
7353     &use_el_empty,
7354     &editor_hl_empty_ptr,               &num_editor_hl_empty,
7355     &editor_el_empty_ptr,               &num_editor_el_empty,
7356   },
7357   {
7358     NULL,
7359     NULL,
7360     NULL,                               NULL,
7361     NULL,                               NULL
7362   }
7363 };
7364
7365 static struct XY xy_directions[] =
7366 {
7367   { -1,  0 },
7368   { +1,  0 },
7369   {  0, -1 },
7370   {  0, +1 }
7371 };
7372
7373
7374 // ----------------------------------------------------------------------------
7375 // functions
7376 // ----------------------------------------------------------------------------
7377
7378 static int getMaxInfoTextLength(void)
7379 {
7380   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
7381 }
7382
7383 static int getTextWidthForGadget(char *text)
7384 {
7385   if (text == NULL)
7386     return 0;
7387
7388   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
7389 }
7390
7391 static int getTextWidthForDrawingArea(char *text)
7392 {
7393   if (text == NULL)
7394     return 0;
7395
7396   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
7397 }
7398
7399 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
7400 {
7401   return (gi->x + gi->width + getTextWidthForGadget(text));
7402 }
7403
7404 static char *getElementInfoText(int element)
7405 {
7406   char *info_text = NULL;
7407
7408   if (element < MAX_NUM_ELEMENTS)
7409   {
7410     if (strlen(element_info[element].description) > 0)
7411       info_text = element_info[element].description;
7412     else if (element_info[element].custom_description != NULL)
7413       info_text = element_info[element].custom_description;
7414     else if (element_info[element].editor_description != NULL)
7415       info_text = element_info[element].editor_description;
7416   }
7417
7418   if (info_text == NULL)
7419     info_text = INFOTEXT_UNKNOWN_ELEMENT;
7420
7421   return info_text;
7422 }
7423
7424 static char *getElementDescriptionFilenameExt(char *basename)
7425 {
7426   char *elements_subdir = ELEMENTS_DIRECTORY;
7427   static char *elements_subdir2 = NULL;
7428   static char *filename = NULL;
7429
7430   if (elements_subdir2 == NULL)
7431     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
7432
7433   checked_free(filename);
7434
7435   // 1st try: look for element description in current level set directory
7436   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
7437   if (fileExists(filename))
7438     return filename;
7439
7440   free(filename);
7441
7442   // 2nd try: look for element description in the game's base directory
7443   filename = getPath3(options.docs_directory, elements_subdir, basename);
7444   if (fileExists(filename))
7445     return filename;
7446
7447   return NULL;
7448 }
7449
7450 static char *getElementDescriptionFilename(int element)
7451 {
7452   char basename[MAX_FILENAME_LEN];
7453   char *filename;
7454
7455   // 1st try: look for element description file for exactly this element
7456   sprintf(basename, "%s.txt", element_info[element].token_name);
7457   filename = getElementDescriptionFilenameExt(basename);
7458   if (filename != NULL)
7459     return filename;
7460
7461   // 2nd try: look for element description file for this element's class
7462   sprintf(basename, "%s.txt", element_info[element].class_name);
7463   filename = getElementDescriptionFilenameExt(basename);
7464   if (filename != NULL)
7465     return filename;
7466
7467   // 3rd try: look for generic fallback text file for any element
7468   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
7469   if (filename != NULL)
7470     return filename;
7471
7472   return NULL;
7473 }
7474
7475 static boolean suppressBorderElement(void)
7476 {
7477   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
7478           lev_fieldx <= MAX_ED_FIELDX &&
7479           lev_fieldy <= MAX_ED_FIELDY);
7480 }
7481
7482 static void InitDynamicEditorElementList(int **elements, int *num_elements)
7483 {
7484   boolean element_found[NUM_FILE_ELEMENTS];
7485   int i, x, y;
7486
7487   // initialize list of used elements to "not used"
7488   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7489     element_found[i] = FALSE;
7490
7491   // find all elements used in current level
7492   for (y = 0; y < lev_fieldy; y++)
7493   {
7494     for (x = 0; x < lev_fieldx; x++)
7495     {
7496       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7497         continue;
7498
7499       if (IS_MM_WALL(Tile[x][y]))
7500         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7501       else
7502         element_found[Tile[x][y]] = TRUE;
7503     }
7504   }
7505
7506   *num_elements = 0;
7507
7508   // count number of elements used in current level
7509   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7510     if (element_found[i])
7511       (*num_elements)++;
7512
7513   // add space for up to 3 more elements for padding that may be needed
7514   *num_elements += 3;
7515
7516   // free memory for old list of elements, if needed
7517   checked_free(*elements);
7518
7519   // allocate memory for new list of elements
7520   *elements = checked_malloc(*num_elements * sizeof(int));
7521
7522   *num_elements = 0;
7523
7524   // add all elements used in current level (non-custom/group/empty elements)
7525   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7526     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7527                               IS_GROUP_ELEMENT(i) ||
7528                               IS_EMPTY_ELEMENT(i)))
7529       (*elements)[(*num_elements)++] = i;
7530
7531   // add all elements used in current level (custom/group/empty elements)
7532   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7533     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7534                              IS_GROUP_ELEMENT(i) ||
7535                              IS_EMPTY_ELEMENT(i)))
7536       (*elements)[(*num_elements)++] = i;
7537
7538   while (*num_elements % 4)     // pad with empty elements, if needed
7539     (*elements)[(*num_elements)++] = EL_EMPTY;
7540 }
7541
7542 static void ReinitializeElementList_EnableSections(void)
7543 {
7544   // default: enable all element sections
7545
7546   setup_editor_el_players               = TRUE;
7547   setup_editor_el_boulderdash           = TRUE;
7548   setup_editor_el_boulderdash_native    = TRUE;
7549   setup_editor_el_boulderdash_effects   = TRUE;
7550   setup_editor_el_emerald_mine          = TRUE;
7551   setup_editor_el_emerald_mine_club     = TRUE;
7552   setup_editor_el_more                  = TRUE;
7553   setup_editor_el_sokoban               = TRUE;
7554   setup_editor_el_supaplex              = TRUE;
7555   setup_editor_el_diamond_caves         = TRUE;
7556   setup_editor_el_dx_boulderdash        = TRUE;
7557   setup_editor_el_mirror_magic          = TRUE;
7558   setup_editor_el_deflektor             = TRUE;
7559   setup_editor_el_chars                 = TRUE;
7560   setup_editor_el_steel_chars           = TRUE;
7561
7562   setup_editor_el_custom                = TRUE;
7563   setup_editor_el_user_defined          = TRUE;
7564   setup_editor_el_dynamic               = TRUE;
7565
7566   // now disable all element sections not to be displayed
7567
7568   if (!setup.editor.el_classic)
7569   {
7570     setup_editor_el_players             = FALSE;
7571     setup_editor_el_boulderdash         = FALSE;
7572     setup_editor_el_boulderdash_native  = FALSE;
7573     setup_editor_el_boulderdash_effects = FALSE;
7574     setup_editor_el_emerald_mine        = FALSE;
7575     setup_editor_el_emerald_mine_club   = FALSE;
7576     setup_editor_el_more                = FALSE;
7577     setup_editor_el_sokoban             = FALSE;
7578     setup_editor_el_supaplex            = FALSE;
7579     setup_editor_el_diamond_caves       = FALSE;
7580     setup_editor_el_dx_boulderdash      = FALSE;
7581     setup_editor_el_mirror_magic        = FALSE;
7582     setup_editor_el_deflektor           = FALSE;
7583     setup_editor_el_chars               = FALSE;
7584     setup_editor_el_steel_chars         = FALSE;
7585   }
7586
7587   if (!setup.editor.el_custom)
7588   {
7589     setup_editor_el_custom              = FALSE;
7590   }
7591
7592   if (!setup.editor.el_user_defined)
7593   {
7594     setup_editor_el_user_defined        = FALSE;
7595   }
7596
7597   if (!setup.editor.el_dynamic)
7598   {
7599     setup_editor_el_dynamic             = FALSE;
7600   }
7601
7602   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7603   {
7604     setup_editor_el_boulderdash_native  = FALSE;
7605     setup_editor_el_boulderdash_effects = FALSE;
7606     setup_editor_el_mirror_magic        = FALSE;
7607     setup_editor_el_deflektor           = FALSE;
7608   }
7609   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7610   {
7611     setup_editor_el_players             = FALSE;
7612     setup_editor_el_boulderdash         = FALSE;
7613     setup_editor_el_emerald_mine        = FALSE;
7614     setup_editor_el_emerald_mine_club   = FALSE;
7615     setup_editor_el_more                = FALSE;
7616     setup_editor_el_sokoban             = FALSE;
7617     setup_editor_el_supaplex            = FALSE;
7618     setup_editor_el_diamond_caves       = FALSE;
7619     setup_editor_el_dx_boulderdash      = FALSE;
7620     setup_editor_el_mirror_magic        = FALSE;
7621     setup_editor_el_deflektor           = FALSE;
7622     setup_editor_el_chars               = FALSE;
7623     setup_editor_el_steel_chars         = FALSE;
7624
7625     setup_editor_el_custom              = FALSE;
7626   }
7627   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7628   {
7629     setup_editor_el_boulderdash         = FALSE;
7630     setup_editor_el_boulderdash_native  = FALSE;
7631     setup_editor_el_boulderdash_effects = FALSE;
7632     setup_editor_el_more                = FALSE;
7633     setup_editor_el_sokoban             = FALSE;
7634     setup_editor_el_supaplex            = FALSE;
7635     setup_editor_el_diamond_caves       = FALSE;
7636     setup_editor_el_dx_boulderdash      = FALSE;
7637     setup_editor_el_mirror_magic        = FALSE;
7638     setup_editor_el_deflektor           = FALSE;
7639     setup_editor_el_steel_chars         = FALSE;
7640
7641     setup_editor_el_custom              = FALSE;
7642   }
7643   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7644   {
7645     setup_editor_el_players             = FALSE;
7646     setup_editor_el_boulderdash         = FALSE;
7647     setup_editor_el_boulderdash_native  = FALSE;
7648     setup_editor_el_boulderdash_effects = FALSE;
7649     setup_editor_el_emerald_mine        = FALSE;
7650     setup_editor_el_emerald_mine_club   = FALSE;
7651     setup_editor_el_more                = FALSE;
7652     setup_editor_el_sokoban             = FALSE;
7653     setup_editor_el_diamond_caves       = FALSE;
7654     setup_editor_el_dx_boulderdash      = FALSE;
7655     setup_editor_el_mirror_magic        = FALSE;
7656     setup_editor_el_deflektor           = FALSE;
7657     setup_editor_el_chars               = 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_MM)
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_supaplex            = FALSE;
7673     setup_editor_el_diamond_caves       = FALSE;
7674     setup_editor_el_dx_boulderdash      = FALSE;
7675     setup_editor_el_steel_chars         = FALSE;
7676
7677     setup_editor_el_custom              = FALSE;
7678   }
7679 }
7680
7681 static void ReinitializeElementList(void)
7682 {
7683   static boolean initialization_needed = TRUE;
7684   int pos = 0;
7685   int i, j;
7686
7687   ReinitializeElementList_EnableSections();
7688
7689   if (initialization_needed)
7690   {
7691     LoadSetup_EditorCascade();          // load last editor cascade state
7692
7693     // initialize editor cascade element from saved cascade state
7694     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7695     {
7696       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7697       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7698
7699       if (IS_EDITOR_CASCADE(*cascade_element))
7700         *cascade_element =
7701           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7702            EL_CASCADE_INACTIVE(*cascade_element));
7703     }
7704
7705     initialization_needed = FALSE;
7706   }
7707
7708   checked_free(editor_elements);
7709
7710   // reload optional user defined element list for each invocation of editor
7711   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7712                                    &num_editor_el_user_defined);
7713
7714   // initialize dynamic level element list for each invocation of editor
7715   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7716                                &num_editor_el_dynamic);
7717
7718   // initialize list of empty elements (used for padding, if needed)
7719   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7720     editor_el_empty[i] = EL_EMPTY;
7721
7722   // do some sanity checks for each element from element list
7723   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7724   {
7725     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7726     {
7727       int element = (*editor_elements_info[i].element_list)[j];
7728
7729       if (element >= NUM_FILE_ELEMENTS)
7730         Warn("editor element %d is runtime element", element);
7731
7732       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7733         Warn("no element description text for element %d", element);
7734     }
7735   }
7736
7737   num_editor_elements = 0;
7738   use_el_empty = FALSE;
7739
7740   // determine size of element list
7741   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7742   {
7743     if (*editor_elements_info[i].setup_value)
7744     {
7745       boolean found_inactive_cascade = FALSE;
7746
7747       if (setup.editor.el_headlines)
7748       {
7749         // required for correct padding of palette headline buttons
7750         if (*editor_elements_info[i].headline_list_size > 0)
7751           num_editor_elements += ED_ELEMENTLIST_COLS;
7752
7753         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7754         {
7755           int element = (*editor_elements_info[i].headline_list)[j];
7756
7757           if (IS_EDITOR_CASCADE_INACTIVE(element))
7758             found_inactive_cascade = TRUE;
7759         }
7760       }
7761
7762       if (found_inactive_cascade)
7763         continue;
7764
7765       // required for correct padding of palette element buttons
7766       int element_list_size = *editor_elements_info[i].element_list_size;
7767       int element_rows =
7768         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7769       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7770
7771       num_editor_elements += element_buttons;
7772     }
7773   }
7774
7775   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7776   {
7777     // offer at least as many elements as element buttons exist
7778     use_el_empty = TRUE;
7779     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7780
7781     num_editor_elements += num_editor_el_empty;
7782   }
7783   else
7784   {
7785     num_editor_el_empty = 0;
7786   }
7787
7788   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7789
7790   // fill element list
7791   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7792   {
7793     boolean found_inactive_cascade = FALSE;
7794
7795     if (*editor_elements_info[i].setup_value)
7796     {
7797       if (setup.editor.el_headlines)
7798       {
7799         // required for correct padding of palette headline buttons
7800         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7801                              ED_ELEMENTLIST_COLS : 0);
7802
7803         for (j = 0; j < headline_size; j++)
7804         {
7805           // use empty elements for padding of palette headline buttons
7806           int element = (j < *editor_elements_info[i].headline_list_size ?
7807                          (*editor_elements_info[i].headline_list)[j] :
7808                          editor_el_empty[0]);
7809
7810           editor_elements[pos++] = element;
7811
7812           if (IS_EDITOR_CASCADE_INACTIVE(element))
7813             found_inactive_cascade = TRUE;
7814         }
7815       }
7816
7817       if (found_inactive_cascade)
7818         continue;
7819
7820       // required for correct padding of palette element buttons
7821       int element_list_size = *editor_elements_info[i].element_list_size;
7822       int element_rows =
7823         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7824       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7825
7826       // copy all elements from element list
7827       for (j = 0; j < element_list_size; j++)
7828         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7829
7830       // use empty elements for padding of palette element buttons
7831       for (j = 0; j < element_buttons - element_list_size; j++)
7832         editor_elements[pos++] = editor_el_empty[0];
7833     }
7834   }
7835
7836   // (this function is also called before editor gadgets are initialized!)
7837   AdjustElementListScrollbar();
7838 }
7839
7840 void PrintEditorElementList(void)
7841 {
7842   boolean *stop = &setup_editor_el_user_defined;
7843   int i, j;
7844
7845   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7846   {
7847     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7848
7849     if (IS_EDITOR_CASCADE(cascade_element))
7850     {
7851       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7852       char *headline = element_info[cascade_element_show].editor_description;
7853
7854       PrintLineWithPrefix("# ", "-", 77);
7855       Print("# %s\n", headline);
7856       PrintLineWithPrefix("# ", "-", 77);
7857     }
7858
7859     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7860     {
7861       int element = (*editor_elements_info[i].headline_list)[j];
7862
7863       if (IS_EDITOR_CASCADE(element))
7864         element = EL_CHAR_MINUS;
7865
7866       Print("# %s\n", element_info[element].token_name);
7867     }
7868
7869     if (j > 0)
7870       Print("#\n");
7871
7872     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7873     {
7874       int element = (*editor_elements_info[i].element_list)[j];
7875
7876       Print("# %s\n", element_info[element].token_name);
7877     }
7878
7879     if (j > 0)
7880       Print("#\n");
7881   }
7882 }
7883
7884 static void ReinitializeElementListButtons(void)
7885 {
7886   static boolean last_setup_value_headlines = FALSE;
7887   static boolean initialization_needed = TRUE;
7888   int i;
7889
7890   if (!initialization_needed)   // check if editor element setup has changed
7891   {
7892     if (last_setup_value_headlines != setup.editor.el_headlines)
7893       initialization_needed = TRUE;
7894
7895     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7896       if (editor_elements_info[i].last_setup_value !=
7897           *editor_elements_info[i].setup_value)
7898         initialization_needed = TRUE;
7899   }
7900
7901   if (!initialization_needed)
7902     return;
7903
7904   FreeLevelEditorGadgets();
7905   CreateLevelEditorGadgets();
7906
7907   // store current setup values for next invocation of this function
7908   last_setup_value_headlines = setup.editor.el_headlines;
7909   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7910     editor_elements_info[i].last_setup_value =
7911       *editor_elements_info[i].setup_value;
7912
7913   initialization_needed = FALSE;
7914 }
7915
7916 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7917                               boolean input)
7918 {
7919   int border_graphic =
7920     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7921   struct GraphicInfo *g = &graphic_info[border_graphic];
7922   Bitmap *src_bitmap = g->bitmap;
7923   int src_x = g->src_x;
7924   int src_y = g->src_y;
7925   int border_size = g->border_size;
7926   int border_xpos = g->width  - border_size;
7927   int border_ypos = g->height - border_size;
7928   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7929   int i;
7930
7931   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7932              border_size, border_size,
7933              dest_x - border_size, dest_y - border_size);
7934   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7935              border_size, border_size,
7936              dest_x + width, dest_y - border_size);
7937   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7938              border_size, border_size,
7939              dest_x - border_size, dest_y + height);
7940   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7941              border_size, border_size,
7942              dest_x + width, dest_y + height);
7943
7944   for (i = 0; i < width / tilesize; i++)
7945   {
7946     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7947                tilesize, border_size,
7948                dest_x + i * tilesize, dest_y - border_size);
7949     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7950                tilesize, border_size,
7951                dest_x + i * tilesize, dest_y + height);
7952   }
7953
7954   for (i = 0; i < height / tilesize; i++)
7955   {
7956     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7957                border_size, tilesize,
7958                dest_x - border_size, dest_y + i * tilesize);
7959     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7960                border_size, tilesize,
7961                dest_x + width, dest_y + i * tilesize);
7962   }
7963
7964   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7965 }
7966
7967 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7968 {
7969   int xsize_tile = MAX(ed_tilesize, xsize);
7970   int ysize_tile = MAX(ed_tilesize, ysize);
7971   int xsize_full = xsize + 1;
7972   int ysize_full = ysize + 1;
7973   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7974   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7975   Pixel line_color = getTabulatorBarColor();
7976
7977   if (line_color == BLACK_PIXEL)                // black => transparent
7978     return;
7979
7980   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7981   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7982   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7983 }
7984
7985 static void DrawEditorLevelBorderLinesIfNeeded(void)
7986 {
7987   int xsize = lev_fieldx * ed_tilesize;
7988   int ysize = lev_fieldy * ed_tilesize;
7989   int line_size = getTabulatorBarHeight();
7990
7991   if (!suppressBorderElement())
7992     return;
7993
7994   // draw little border line around editable level playfield
7995
7996   if (xsize < SXSIZE)
7997     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7998
7999   if (ysize < SYSIZE)
8000     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
8001
8002   if (xsize < SXSIZE && ysize < SYSIZE)
8003     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
8004 }
8005
8006 static void DrawEditorElement(int x, int y, int element)
8007 {
8008   DrawSizedElement(x, y, element, ed_tilesize);
8009 }
8010
8011 static void DrawEditorElementThruMask(int x, int y, int element)
8012 {
8013   DrawSizedElementThruMask(x, y, element, ed_tilesize);
8014 }
8015
8016 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
8017 {
8018   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
8019 }
8020
8021 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
8022 {
8023   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
8024   DrawEditorLevelBorderLinesIfNeeded();
8025 }
8026
8027 static void DrawDrawingArea(int id)
8028 {
8029   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8030   int x, y;
8031
8032   int *value = drawingarea_info[id].value;
8033   int area_xsize = drawingarea_info[id].area_xsize;
8034   int area_ysize = drawingarea_info[id].area_ysize;
8035   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8036
8037   for (x = 0; x < area_xsize; x++)
8038   {
8039     for (y = 0; y < area_ysize; y++)
8040     {
8041       int element = value[x * area_ysize + y];
8042       int graphic;
8043       int frame;
8044
8045       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
8046
8047       DrawSizedGraphicExt(drawto,
8048                           gi->x + x * tilesize,
8049                           gi->y + y * tilesize,
8050                           graphic, frame, tilesize);
8051     }
8052   }
8053 }
8054
8055 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
8056 {
8057   int x, y;
8058   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
8059   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
8060
8061   BlitBitmap(drawto, drawto,
8062              SX + (dx == -1 ? ed_tilesize : 0),
8063              SY + (dy == -1 ? ed_tilesize : 0),
8064              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
8065              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
8066              SX + (dx == +1 ? ed_tilesize : 0),
8067              SY + (dy == +1 ? ed_tilesize : 0));
8068
8069   if (dx)
8070   {
8071     x = (dx == 1 ? 0 : ed_fieldx - 1);
8072     for (y = 0; y < ed_fieldy; y++)
8073       DrawEditorElementOrWall(x, y, from_x, from_y);
8074   }
8075   else if (dy)
8076   {
8077     y = (dy == 1 ? 0 : ed_fieldy - 1);
8078     for (x = 0; x < ed_fieldx; x++)
8079       DrawEditorElementOrWall(x, y, from_x, from_y);
8080   }
8081
8082   redraw_mask |= REDRAW_FIELD;
8083   BackToFront();
8084 }
8085
8086 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
8087 {
8088   if (use_editor_gfx)
8089   {
8090     *graphic = el2edimg(element);
8091     *frame = 0;
8092   }
8093   else
8094   {
8095     *graphic = el2img(element);
8096     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
8097               custom_element.ce_value_fixed_initial :
8098               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
8099               custom_element.collect_score_initial : FrameCounter);
8100   }
8101
8102   if (*graphic == IMG_UNKNOWN)
8103   {
8104     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
8105     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
8106     int element_bd = map_element_RND_to_BD_cave(element);
8107
8108     if (element_bd != O_UNKNOWN)
8109     {
8110       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
8111
8112       *graphic = g_bd->graphic;
8113       *frame   = g_bd->frame;
8114     }
8115   }
8116 }
8117
8118 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
8119                                    int *x, int *y)
8120 {
8121   int graphic;
8122   int frame;
8123
8124   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
8125
8126   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
8127 }
8128
8129 static void CreateControlButtons(void)
8130 {
8131   struct GadgetInfo *gi;
8132   int i;
8133
8134   // create toolbox buttons
8135   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8136   {
8137     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
8138     int id = controlbutton_info[i].gadget_id;
8139     int type = controlbutton_info[i].gadget_type;
8140     int graphic = controlbutton_info[i].graphic;
8141     struct XYTileSize *pos = controlbutton_info[i].pos;
8142     struct GraphicInfo *gd = &graphic_info[graphic];
8143     Bitmap *deco_bitmap = NULL;
8144     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
8145     int tile_size = 0, deco_shift = 0;
8146     boolean deco_masked = FALSE;
8147     int gd_x1 = gd->src_x;
8148     int gd_y1 = gd->src_y;
8149     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8150     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8151     int gd_x1a = gd->src_x + gd->active_xoffset;
8152     int gd_y1a = gd->src_y + gd->active_yoffset;
8153     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8154     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8155     int x = pos->x;
8156     int y = pos->y;
8157     unsigned int event_mask;
8158     int radio_button_nr = RADIO_NR_NONE;
8159     boolean checked = FALSE;
8160
8161     if (type_id != i)
8162       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
8163
8164     if (type == GD_TYPE_RADIO_BUTTON)
8165     {
8166       event_mask = GD_EVENT_PRESSED;
8167       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
8168
8169       if (id == drawing_function)
8170         checked = TRUE;
8171     }
8172     else
8173     {
8174       if (id == GADGET_ID_WRAP_LEFT ||
8175           id == GADGET_ID_WRAP_RIGHT ||
8176           id == GADGET_ID_WRAP_UP ||
8177           id == GADGET_ID_WRAP_DOWN)
8178         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8179       else
8180         event_mask = GD_EVENT_RELEASED;
8181     }
8182
8183     if (id == GADGET_ID_PROPERTIES ||
8184         id == GADGET_ID_PALETTE)
8185     {
8186       x += DX;
8187       y += DY;
8188     }
8189     else if (id == GADGET_ID_ELEMENT_LEFT ||
8190              id == GADGET_ID_ELEMENT_MIDDLE ||
8191              id == GADGET_ID_ELEMENT_RIGHT)
8192     {
8193       x += DX;
8194       y += DY;
8195
8196       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
8197                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
8198                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
8199
8200       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
8201                                    editor.button.element_left.tile_size :
8202                                    id == GADGET_ID_ELEMENT_MIDDLE ?
8203                                    editor.button.element_middle.tile_size :
8204                                    id == GADGET_ID_ELEMENT_RIGHT ?
8205                                    editor.button.element_right.tile_size : 0);
8206
8207       // make sure that decoration does not overlap gadget border
8208       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
8209
8210       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
8211
8212       deco_xpos = (gd->width  - tile_size) / 2;
8213       deco_ypos = (gd->height - tile_size) / 2;
8214       deco_shift = 1;
8215       deco_masked = gd->draw_masked;
8216     }
8217     else
8218     {
8219       x += EX;
8220       y += EY;
8221     }
8222
8223     gi = CreateGadget(GDI_CUSTOM_ID, id,
8224                       GDI_CUSTOM_TYPE_ID, type_id,
8225                       GDI_IMAGE_ID, graphic,
8226                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
8227                       GDI_X, x,
8228                       GDI_Y, y,
8229                       GDI_WIDTH, gd->width,
8230                       GDI_HEIGHT, gd->height,
8231                       GDI_TYPE, type,
8232                       GDI_STATE, GD_BUTTON_UNPRESSED,
8233                       GDI_RADIO_NR, radio_button_nr,
8234                       GDI_CHECKED, checked,
8235                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8236                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8237                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8238                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8239                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8240                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8241                       GDI_DECORATION_SIZE, tile_size, tile_size,
8242                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
8243                       GDI_DECORATION_MASKED, deco_masked,
8244                       GDI_EVENT_MASK, event_mask,
8245                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8246                       GDI_CALLBACK_ACTION, HandleControlButtons,
8247                       GDI_END);
8248
8249     if (gi == NULL)
8250       Fail("cannot create gadget");
8251
8252     level_editor_gadget[id] = gi;
8253   }
8254
8255   // these values are not constant, but can change at runtime
8256   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
8257   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
8258   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
8259   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
8260   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
8261   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
8262   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
8263   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
8264   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
8265   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
8266   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
8267   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
8268
8269   // create buttons for scrolling of drawing area and element list
8270   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
8271   {
8272     int id = scrollbutton_info[i].gadget_id;
8273     int type_id = scrollbutton_info[i].gadget_type_id;
8274     int graphic = scrollbutton_info[i].graphic;
8275     struct GraphicInfo *gd = &graphic_info[graphic];
8276     Bitmap *gd_bitmap = gd->bitmap;
8277     int gd_x1 = gd->src_x;
8278     int gd_y1 = gd->src_y;
8279     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8280     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8281     int width  = gd->width;
8282     int height = gd->height;
8283     int x = scrollbutton_pos[i].x;
8284     int y = scrollbutton_pos[i].y;
8285     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8286
8287     if (type_id != i)
8288       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
8289
8290     if (id == GADGET_ID_SCROLL_LIST_UP ||
8291         id == GADGET_ID_SCROLL_LIST_DOWN)
8292     {
8293       x += PX;
8294       y += PY;
8295     }
8296     else
8297     {
8298       x += SX;
8299       y += SY;
8300     }
8301
8302     gi = CreateGadget(GDI_CUSTOM_ID, id,
8303                       GDI_CUSTOM_TYPE_ID, type_id,
8304                       GDI_IMAGE_ID, graphic,
8305                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8306                       GDI_X, x,
8307                       GDI_Y, y,
8308                       GDI_WIDTH, width,
8309                       GDI_HEIGHT, height,
8310                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8311                       GDI_STATE, GD_BUTTON_UNPRESSED,
8312                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8313                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8314                       GDI_EVENT_MASK, event_mask,
8315                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8316                       GDI_CALLBACK_ACTION, HandleControlButtons,
8317                       GDI_END);
8318
8319     if (gi == NULL)
8320       Fail("cannot create gadget");
8321
8322     level_editor_gadget[id] = gi;
8323   }
8324
8325   // create buttons for element list
8326   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8327   {
8328     int type_id = i;
8329     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
8330     int graphic = IMG_EDITOR_PALETTE_BUTTON;
8331     struct GraphicInfo *gd = &graphic_info[graphic];
8332     Bitmap *gd_bitmap = gd->bitmap;
8333     Bitmap *deco_bitmap;
8334     int deco_x, deco_y, deco_xpos, deco_ypos;
8335     int gd_x1 = gd->src_x;
8336     int gd_y1 = gd->src_y;
8337     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8338     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8339     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
8340     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
8341     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
8342     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
8343     int element = editor_elements[i];
8344     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8345     unsigned int event_mask = GD_EVENT_RELEASED;
8346
8347     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8348
8349     deco_xpos = (gd->width  - tile_size) / 2;
8350     deco_ypos = (gd->height - tile_size) / 2;
8351
8352     gi = CreateGadget(GDI_CUSTOM_ID, id,
8353                       GDI_CUSTOM_TYPE_ID, type_id,
8354                       GDI_IMAGE_ID, graphic,
8355                       GDI_INFO_TEXT, getElementInfoText(element),
8356                       GDI_X, x,
8357                       GDI_Y, y,
8358                       GDI_WIDTH, gd->width,
8359                       GDI_HEIGHT, gd->height,
8360                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8361                       GDI_STATE, GD_BUTTON_UNPRESSED,
8362                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8363                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8364                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8365                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8366                       GDI_DECORATION_SIZE, tile_size, tile_size,
8367                       GDI_DECORATION_SHIFTING, 1, 1,
8368                       GDI_EVENT_MASK, event_mask,
8369                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8370                       GDI_CALLBACK_ACTION, HandleControlButtons,
8371                       GDI_END);
8372
8373     if (gi == NULL)
8374       Fail("cannot create gadget");
8375
8376     level_editor_gadget[id] = gi;
8377   }
8378 }
8379
8380 static void CreateCounterButtons(void)
8381 {
8382   int max_infotext_len = getMaxInfoTextLength();
8383   int i;
8384
8385   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
8386   {
8387     int type_id = counterbutton_info[i].gadget_type_id;
8388     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
8389     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
8390     int j;
8391
8392     if (type_id != i)
8393       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
8394
8395     // determine horizontal position to the right of specified gadget
8396     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8397       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
8398            ED_GADGET_TEXT_DISTANCE);
8399
8400     // determine horizontal offset for leading text
8401     if (counterbutton_info[i].text_left != NULL)
8402       x += getTextWidthForGadget(counterbutton_info[i].text_left);
8403
8404     for (j = 0; j < 2; j++)
8405     {
8406       struct GadgetInfo *gi;
8407       int id = (j == 0 ?
8408                 counterbutton_info[i].gadget_id_down :
8409                 counterbutton_info[i].gadget_id_up);
8410       int graphic;
8411       struct GraphicInfo *gd;
8412       int gd_x1, gd_x2, gd_y1, gd_y2;
8413       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8414       char infotext[max_infotext_len + 1];
8415
8416       if (i == ED_COUNTER_ID_SELECT_LEVEL)
8417       {
8418         graphic = (j == 0 ?
8419                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
8420                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
8421
8422         event_mask |= GD_EVENT_RELEASED;
8423
8424         if (j == 0)
8425         {
8426           x = DX + editor.button.prev_level.x;
8427           y = DY + editor.button.prev_level.y;
8428         }
8429         else
8430         {
8431           x = DX + editor.button.next_level.x;
8432           y = DY + editor.button.next_level.y;
8433         }
8434       }
8435       else
8436       {
8437         graphic = (j == 0 ?
8438                    IMG_EDITOR_COUNTER_DOWN :
8439                    IMG_EDITOR_COUNTER_UP);
8440       }
8441
8442       gd = &graphic_info[graphic];
8443
8444       gd_x1 = gd->src_x;
8445       gd_y1 = gd->src_y;
8446       gd_x2 = gd->src_x + gd->pressed_xoffset;
8447       gd_y2 = gd->src_y + gd->pressed_yoffset;
8448
8449       sprintf(infotext, "%s counter value by 1, 5 or 10",
8450               (j == 0 ? "Decrease" : "Increase"));
8451
8452       gi = CreateGadget(GDI_CUSTOM_ID, id,
8453                         GDI_CUSTOM_TYPE_ID, type_id,
8454                         GDI_IMAGE_ID, graphic,
8455                         GDI_INFO_TEXT, infotext,
8456                         GDI_X, x,
8457                         GDI_Y, y,
8458                         GDI_WIDTH, gd->width,
8459                         GDI_HEIGHT, gd->height,
8460                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8461                         GDI_STATE, GD_BUTTON_UNPRESSED,
8462                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8463                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8464                         GDI_EVENT_MASK, event_mask,
8465                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8466                         GDI_CALLBACK_ACTION, HandleCounterButtons,
8467                         GDI_END);
8468
8469       if (gi == NULL)
8470         Fail("cannot create gadget");
8471
8472       level_editor_gadget[id] = gi;
8473       right_gadget_border[id] =
8474         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8475
8476       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
8477
8478       if (j == 0)
8479       {
8480         int font_type = FONT_INPUT_1;
8481         int font_type_active = FONT_INPUT_1_ACTIVE;
8482
8483         id = counterbutton_info[i].gadget_id_text;
8484
8485         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8486
8487         if (i == ED_COUNTER_ID_SELECT_LEVEL)
8488         {
8489           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
8490
8491           font_type = FONT_LEVEL_NUMBER;
8492           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8493
8494           x = DX + editor.input.level_number.x;
8495           y = DY + editor.input.level_number.y;
8496         }
8497         else
8498         {
8499           graphic = IMG_EDITOR_COUNTER_INPUT;
8500         }
8501
8502         gd = &graphic_info[graphic];
8503
8504         gd_x1 = gd->src_x;
8505         gd_y1 = gd->src_y;
8506         gd_x2 = gd->src_x + gd->active_xoffset;
8507         gd_y2 = gd->src_y + gd->active_yoffset;
8508
8509         gi = CreateGadget(GDI_CUSTOM_ID, id,
8510                           GDI_CUSTOM_TYPE_ID, type_id,
8511                           GDI_IMAGE_ID, graphic,
8512                           GDI_INFO_TEXT, "Enter counter value",
8513                           GDI_X, x,
8514                           GDI_Y, y,
8515                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8516                           GDI_NUMBER_VALUE, 0,
8517                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8518                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8519                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8520                           GDI_TEXT_FONT, font_type,
8521                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8522                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8523                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8524                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8525                           GDI_DESIGN_WIDTH, gd->width,
8526                           GDI_EVENT_MASK, event_mask,
8527                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8528                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8529                           GDI_END);
8530
8531         if (gi == NULL)
8532           Fail("cannot create gadget");
8533
8534         level_editor_gadget[id] = gi;
8535         right_gadget_border[id] =
8536           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8537
8538         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8539       }
8540     }
8541   }
8542 }
8543
8544 static void CreateDrawingAreas(void)
8545 {
8546   int i;
8547
8548   // these values are not constant, but can change at runtime
8549   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8550   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8551
8552   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8553   {
8554     struct GadgetInfo *gi;
8555     int id = drawingarea_info[i].gadget_id;
8556     int type_id = drawingarea_info[i].gadget_type_id;
8557     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8558     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8559     int area_xsize = drawingarea_info[i].area_xsize;
8560     int area_ysize = drawingarea_info[i].area_ysize;
8561     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8562                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8563     unsigned int event_mask =
8564       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8565       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8566
8567     if (type_id != i)
8568       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8569
8570     // determine horizontal position to the right of specified gadget
8571     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8572       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8573            ED_DRAWINGAREA_TEXT_DISTANCE);
8574
8575     // determine horizontal offset for leading text
8576     if (drawingarea_info[i].text_left != NULL)
8577       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8578
8579     gi = CreateGadget(GDI_CUSTOM_ID, id,
8580                       GDI_CUSTOM_TYPE_ID, type_id,
8581                       GDI_X, x,
8582                       GDI_Y, y,
8583                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8584                       GDI_AREA_SIZE, area_xsize, area_ysize,
8585                       GDI_ITEM_SIZE, item_size, item_size,
8586                       GDI_EVENT_MASK, event_mask,
8587                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8588                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8589                       GDI_END);
8590
8591     if (gi == NULL)
8592       Fail("cannot create gadget");
8593
8594     level_editor_gadget[id] = gi;
8595     right_gadget_border[id] =
8596       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8597   }
8598 }
8599
8600 static void CreateTextInputGadgets(void)
8601 {
8602   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8603   int max_infotext_len = getMaxInfoTextLength();
8604   int i;
8605
8606   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8607   {
8608     int gd_x1 = gd->src_x;
8609     int gd_y1 = gd->src_y;
8610     int gd_x2 = gd->src_x + gd->active_xoffset;
8611     int gd_y2 = gd->src_y + gd->active_yoffset;
8612     struct GadgetInfo *gi;
8613     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8614     char infotext[MAX_OUTPUT_LINESIZE + 1];
8615     int id = textinput_info[i].gadget_id;
8616     int type_id = textinput_info[i].gadget_type_id;
8617     int x, y;
8618
8619     if (type_id != i)
8620       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8621
8622     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8623     {
8624       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8625       int border_size = gd->border_size;
8626       int font_nr = FONT_INPUT_1;
8627       int font_height = getFontHeight(font_nr);
8628       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8629       int yoffset = element_border + (TILEY - font_height) / 2;
8630
8631       x = (editor.settings.element_name.x != -1 ?
8632            editor.settings.element_name.x :
8633            editor.settings.element_graphic.x + xoffset) - border_size;
8634       y = (editor.settings.element_name.y != -1 ?
8635            editor.settings.element_name.y :
8636            editor.settings.element_graphic.y + yoffset) - border_size;
8637     }
8638     else
8639     {
8640       x = ED_SETTINGS_X(textinput_info[i].x);
8641       y = ED_SETTINGS_Y(textinput_info[i].y);
8642     }
8643
8644     // determine horizontal offset for leading text
8645     if (textinput_info[i].text_left != NULL)
8646       x += getTextWidthForGadget(textinput_info[i].text_left);
8647
8648     sprintf(infotext, "%s", textinput_info[i].infotext);
8649     infotext[max_infotext_len] = '\0';
8650
8651     gi = CreateGadget(GDI_CUSTOM_ID, id,
8652                       GDI_CUSTOM_TYPE_ID, type_id,
8653                       GDI_INFO_TEXT, infotext,
8654                       GDI_X, SX + x,
8655                       GDI_Y, SY + y,
8656                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8657                       GDI_TEXT_VALUE, textinput_info[i].value,
8658                       GDI_TEXT_SIZE, textinput_info[i].size,
8659                       GDI_TEXT_FONT, FONT_INPUT_1,
8660                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8661                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8662                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8663                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8664                       GDI_DESIGN_WIDTH, gd->width,
8665                       GDI_EVENT_MASK, event_mask,
8666                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8667                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8668                       GDI_END);
8669
8670     if (gi == NULL)
8671       Fail("cannot create gadget");
8672
8673     level_editor_gadget[id] = gi;
8674   }
8675 }
8676
8677 static void CreateTextAreaGadgets(void)
8678 {
8679   int max_infotext_len = getMaxInfoTextLength();
8680   int i;
8681
8682   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8683   {
8684     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8685     int gd_x1 = gd->src_x;
8686     int gd_y1 = gd->src_y;
8687     int gd_x2 = gd->src_x + gd->active_xoffset;
8688     int gd_y2 = gd->src_y + gd->active_yoffset;
8689     struct GadgetInfo *gi;
8690     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8691     char infotext[MAX_OUTPUT_LINESIZE + 1];
8692     int id = textarea_info[i].gadget_id;
8693     int type_id = textarea_info[i].gadget_type_id;
8694     int area_xsize = textarea_info[i].xsize;
8695     int area_ysize = textarea_info[i].ysize;
8696
8697     if (type_id != i)
8698       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8699
8700     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8701     infotext[max_infotext_len] = '\0';
8702
8703     gi = CreateGadget(GDI_CUSTOM_ID, id,
8704                       GDI_CUSTOM_TYPE_ID, type_id,
8705                       GDI_INFO_TEXT, infotext,
8706                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8707                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8708                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8709                       GDI_AREA_SIZE, area_xsize, area_ysize,
8710                       GDI_TEXT_FONT, FONT_INPUT_1,
8711                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8712                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8713                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8714                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8715                       GDI_DESIGN_WIDTH, gd->width,
8716                       GDI_EVENT_MASK, event_mask,
8717                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8718                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8719                       GDI_END);
8720
8721     if (gi == NULL)
8722       Fail("cannot create gadget");
8723
8724     level_editor_gadget[id] = gi;
8725   }
8726 }
8727
8728 static void CreateSelectboxGadgets(void)
8729 {
8730   int max_infotext_len = getMaxInfoTextLength();
8731
8732   int i, j;
8733
8734   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8735   {
8736     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8737     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8738     int gd_x1 = gd->src_x;
8739     int gd_y1 = gd->src_y;
8740     int gd_x2 = gd->src_x + gd->active_xoffset;
8741     int gd_y2 = gd->src_y + gd->active_yoffset;
8742     int selectbox_button_xsize = gd2->width;
8743     struct GadgetInfo *gi;
8744     char infotext[MAX_OUTPUT_LINESIZE + 1];
8745     int id = selectbox_info[i].gadget_id;
8746     int type_id = selectbox_info[i].gadget_type_id;
8747     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8748     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8749     unsigned int event_mask =
8750       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8751
8752     if (type_id != i)
8753       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8754
8755     if (selectbox_info[i].size == -1)   // dynamically determine size
8756     {
8757       // (we cannot use -1 for uninitialized values if we directly compare
8758       // with results from strlen(), because the '<' and '>' operation will
8759       // implicitely cast -1 to an unsigned integer value!)
8760       selectbox_info[i].size = 0;
8761
8762       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8763         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8764           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8765
8766       selectbox_info[i].size++;         // add one character empty space
8767     }
8768
8769     // determine horizontal position to the right of specified gadget
8770     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8771       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8772            ED_GADGET_TEXT_DISTANCE);
8773
8774     // determine horizontal offset for leading text
8775     if (selectbox_info[i].text_left != NULL)
8776       x += getTextWidthForGadget(selectbox_info[i].text_left);
8777
8778     sprintf(infotext, "%s", selectbox_info[i].infotext);
8779     infotext[max_infotext_len] = '\0';
8780
8781     gi = CreateGadget(GDI_CUSTOM_ID, id,
8782                       GDI_CUSTOM_TYPE_ID, type_id,
8783                       GDI_INFO_TEXT, infotext,
8784                       GDI_X, x,
8785                       GDI_Y, y,
8786                       GDI_TYPE, GD_TYPE_SELECTBOX,
8787                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8788                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8789                       GDI_TEXT_SIZE, selectbox_info[i].size,
8790                       GDI_TEXT_FONT, FONT_INPUT_1,
8791                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8792                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8793                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8794                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8795                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8796                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8797                       GDI_DESIGN_WIDTH, gd->width,
8798                       GDI_EVENT_MASK, event_mask,
8799                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8800                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8801                       GDI_END);
8802
8803     if (gi == NULL)
8804       Fail("cannot create gadget");
8805
8806     level_editor_gadget[id] = gi;
8807     right_gadget_border[id] =
8808       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8809   }
8810 }
8811
8812 static void CreateTextbuttonGadgets(void)
8813 {
8814   int max_infotext_len = getMaxInfoTextLength();
8815   int i;
8816
8817   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8818   {
8819     int id = textbutton_info[i].gadget_id;
8820     int type_id = textbutton_info[i].gadget_type_id;
8821     int is_tab_button =
8822       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8823        (id >= GADGET_ID_ENGINECONFIG_CONFIG && id <= GADGET_ID_ENGINECONFIG_COLORS) ||
8824        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8825     int graphic =
8826       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8827     int gadget_distance =
8828       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8829     struct GraphicInfo *gd = &graphic_info[graphic];
8830     int gd_x1 = gd->src_x;
8831     int gd_y1 = gd->src_y;
8832     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8833     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8834     int gd_x1a = gd->src_x + gd->active_xoffset;
8835     int gd_y1a = gd->src_y + gd->active_yoffset;
8836     int border_xsize = gd->border_size + gd->draw_xoffset;
8837     int border_ysize = gd->border_size;
8838     struct GadgetInfo *gi;
8839     unsigned int event_mask = GD_EVENT_RELEASED;
8840     char infotext[MAX_OUTPUT_LINESIZE + 1];
8841     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8842     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8843
8844     if (type_id != i)
8845       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8846
8847     if (textbutton_info[i].size == -1)  // dynamically determine size
8848       textbutton_info[i].size = strlen(textbutton_info[i].text);
8849
8850     sprintf(infotext, "%s", textbutton_info[i].infotext);
8851     infotext[max_infotext_len] = '\0';
8852
8853     // determine horizontal position to the right of specified gadget
8854     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8855     {
8856       int gadget_id_align = textbutton_info[i].gadget_id_align;
8857
8858       x = right_gadget_border[gadget_id_align] + gadget_distance;
8859
8860       if (textbutton_info[i].y == -1)
8861         y = level_editor_gadget[gadget_id_align]->y;
8862     }
8863
8864     // determine horizontal offset for leading text
8865     if (textbutton_info[i].text_left != NULL)
8866       x += getTextWidthForGadget(textbutton_info[i].text_left);
8867
8868     gi = CreateGadget(GDI_CUSTOM_ID, id,
8869                       GDI_CUSTOM_TYPE_ID, type_id,
8870                       GDI_IMAGE_ID, graphic,
8871                       GDI_INFO_TEXT, infotext,
8872                       GDI_X, x,
8873                       GDI_Y, y,
8874                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8875                       GDI_TEXT_VALUE, textbutton_info[i].text,
8876                       GDI_TEXT_SIZE, textbutton_info[i].size,
8877                       GDI_TEXT_FONT, FONT_INPUT_2,
8878                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8879                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8880                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8881                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8882                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8883                       GDI_DESIGN_WIDTH, gd->width,
8884                       GDI_DECORATION_SHIFTING, 1, 1,
8885                       GDI_EVENT_MASK, event_mask,
8886                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8887                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8888                       GDI_END);
8889
8890     if (gi == NULL)
8891       Fail("cannot create gadget");
8892
8893     level_editor_gadget[id] = gi;
8894     right_gadget_border[id] =
8895       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8896   }
8897 }
8898
8899 static void CreateGraphicbuttonGadgets(void)
8900 {
8901   struct GadgetInfo *gi;
8902   int i;
8903
8904   // create buttons for scrolling of drawing area and element list
8905   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8906   {
8907     int id = graphicbutton_info[i].gadget_id;
8908     int type_id = graphicbutton_info[i].gadget_type_id;
8909     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8910     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8911     int graphic = graphicbutton_info[i].graphic;
8912     struct GraphicInfo *gd = &graphic_info[graphic];
8913     int gd_x1 = gd->src_x;
8914     int gd_y1 = gd->src_y;
8915     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8916     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8917     unsigned int event_mask = GD_EVENT_RELEASED;
8918
8919     if (type_id != i)
8920       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8921
8922     // determine horizontal position to the right of specified gadget
8923     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8924       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8925            ED_GADGET_TEXT_DISTANCE);
8926
8927     // determine horizontal offset for leading text
8928     if (graphicbutton_info[i].text_left != NULL)
8929       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8930
8931     gi = CreateGadget(GDI_CUSTOM_ID, id,
8932                       GDI_CUSTOM_TYPE_ID, type_id,
8933                       GDI_IMAGE_ID, graphic,
8934                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8935                       GDI_X, x,
8936                       GDI_Y, y,
8937                       GDI_WIDTH, gd->width,
8938                       GDI_HEIGHT, gd->height,
8939                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8940                       GDI_STATE, GD_BUTTON_UNPRESSED,
8941                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8942                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8943                       GDI_EVENT_MASK, event_mask,
8944                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8945                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8946                       GDI_END);
8947
8948     if (gi == NULL)
8949       Fail("cannot create gadget");
8950
8951     level_editor_gadget[id] = gi;
8952     right_gadget_border[id] =
8953       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8954   }
8955 }
8956
8957 static void CreateScrollbarGadgets(void)
8958 {
8959   int i;
8960
8961   // these values are not constant, but can change at runtime
8962   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8963     SX + ED_SCROLL_HORIZONTAL_XPOS;
8964   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8965     SY + ED_SCROLL_HORIZONTAL_YPOS;
8966   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8967     ED_SCROLL_HORIZONTAL_XSIZE;
8968   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8969     ED_SCROLL_HORIZONTAL_YSIZE;
8970   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8971   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8972   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8973   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8974
8975   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8976     SX + ED_SCROLL_VERTICAL_XPOS;
8977   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8978     SY + ED_SCROLL_VERTICAL_YPOS;
8979   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8980     ED_SCROLL_VERTICAL_XSIZE;
8981   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8982     ED_SCROLL_VERTICAL_YSIZE;
8983   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8984   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8985   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8986   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8987
8988   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8989     PX + ED_SCROLL2_VERTICAL_XPOS;
8990   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8991     PY + ED_SCROLL2_VERTICAL_YPOS;
8992   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8993     ED_SCROLL2_VERTICAL_XSIZE;
8994   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8995     ED_SCROLL2_VERTICAL_YSIZE;
8996   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8997   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8998   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8999   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
9000
9001   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
9002   {
9003     int id = scrollbar_info[i].gadget_id;
9004     int type_id = scrollbar_info[i].gadget_type_id;
9005     int graphic = scrollbar_info[i].graphic;
9006     struct GraphicInfo *gd = &graphic_info[graphic];
9007     int gd_x1 = gd->src_x;
9008     int gd_y1 = gd->src_y;
9009     int gd_x2 = gd->src_x + gd->pressed_xoffset;
9010     int gd_y2 = gd->src_y + gd->pressed_yoffset;
9011     struct GadgetInfo *gi;
9012     int items_max, items_visible, item_position;
9013     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9014
9015     if (type_id != i)
9016       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
9017
9018     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
9019     {
9020       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9021       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9022       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9023     }
9024     else        // drawing area scrollbars
9025     {
9026       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
9027       {
9028         items_max = MAX(lev_fieldx + 2, ed_fieldx);
9029         items_visible = ed_fieldx;
9030         item_position = 0;
9031       }
9032       else
9033       {
9034         items_max = MAX(lev_fieldy + 2, ed_fieldy);
9035         items_visible = ed_fieldy;
9036         item_position = 0;
9037       }
9038     }
9039
9040     gi = CreateGadget(GDI_CUSTOM_ID, id,
9041                       GDI_CUSTOM_TYPE_ID, type_id,
9042                       GDI_IMAGE_ID, graphic,
9043                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9044                       GDI_X, scrollbar_pos[i].x,
9045                       GDI_Y, scrollbar_pos[i].y,
9046                       GDI_WIDTH, scrollbar_pos[i].width,
9047                       GDI_HEIGHT, scrollbar_pos[i].height,
9048                       GDI_TYPE, scrollbar_info[i].type,
9049                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9050                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9051                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9052                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
9053                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
9054                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
9055                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
9056                       GDI_STATE, GD_BUTTON_UNPRESSED,
9057                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9058                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9059                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9060                       GDI_EVENT_MASK, event_mask,
9061                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9062                       GDI_CALLBACK_ACTION, HandleControlButtons,
9063                       GDI_END);
9064
9065     if (gi == NULL)
9066       Fail("cannot create gadget");
9067
9068     level_editor_gadget[id] = gi;
9069   }
9070 }
9071
9072 static void CreateCheckbuttonGadgets(void)
9073 {
9074   struct GadgetInfo *gi;
9075   int i;
9076
9077   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
9078   {
9079     int id = checkbutton_info[i].gadget_id;
9080     int type_id = checkbutton_info[i].gadget_type_id;
9081     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
9082                    IMG_EDITOR_CHECKBOX);
9083     struct GraphicInfo *gd = &graphic_info[graphic];
9084     int gd_x1 = gd->src_x;
9085     int gd_y1 = gd->src_y;
9086     int gd_x2 = gd->src_x + gd->pressed_xoffset;
9087     int gd_y2 = gd->src_y + gd->pressed_yoffset;
9088     int gd_x1a = gd->src_x + gd->active_xoffset;
9089     int gd_y1a = gd->src_y + gd->active_yoffset;
9090     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
9091     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
9092     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
9093     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
9094     unsigned int event_mask = GD_EVENT_PRESSED;
9095
9096     if (type_id != i)
9097       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
9098
9099     // determine horizontal position to the right of specified gadget
9100     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
9101       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
9102            ED_GADGET_TEXT_DISTANCE);
9103
9104     // determine horizontal offset for leading text
9105     if (checkbutton_info[i].text_left != NULL)
9106       x += getTextWidthForGadget(checkbutton_info[i].text_left);
9107
9108     gi = CreateGadget(GDI_CUSTOM_ID, id,
9109                       GDI_CUSTOM_TYPE_ID, type_id,
9110                       GDI_IMAGE_ID, graphic,
9111                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
9112                       GDI_X, x,
9113                       GDI_Y, y,
9114                       GDI_WIDTH, gd->width,
9115                       GDI_HEIGHT, gd->height,
9116                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
9117                       GDI_CHECKED, *checkbutton_info[i].value,
9118                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9119                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9120                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
9121                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
9122                       GDI_EVENT_MASK, event_mask,
9123                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9124                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
9125                       GDI_END);
9126
9127     if (gi == NULL)
9128       Fail("cannot create gadget");
9129
9130     level_editor_gadget[id] = gi;
9131     right_gadget_border[id] =
9132       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
9133   }
9134 }
9135
9136 static void CreateRadiobuttonGadgets(void)
9137 {
9138   int graphic = IMG_EDITOR_RADIOBUTTON;
9139   struct GraphicInfo *gd = &graphic_info[graphic];
9140   int gd_x1 = gd->src_x;
9141   int gd_y1 = gd->src_y;
9142   int gd_x2 = gd->src_x + gd->pressed_xoffset;
9143   int gd_y2 = gd->src_y + gd->pressed_yoffset;
9144   int gd_x1a = gd->src_x + gd->active_xoffset;
9145   int gd_y1a = gd->src_y + gd->active_yoffset;
9146   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
9147   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
9148   struct GadgetInfo *gi;
9149   int i;
9150
9151   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
9152   {
9153     int id = radiobutton_info[i].gadget_id;
9154     int type_id = radiobutton_info[i].gadget_type_id;
9155     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
9156     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
9157     unsigned int event_mask = GD_EVENT_PRESSED;
9158
9159     if (type_id != i)
9160       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
9161
9162     int checked =
9163       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
9164
9165     // determine horizontal position to the right of specified gadget
9166     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
9167       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
9168            ED_GADGET_TEXT_DISTANCE);
9169
9170     // determine horizontal offset for leading text
9171     if (radiobutton_info[i].text_left != NULL)
9172       x += getTextWidthForGadget(radiobutton_info[i].text_left);
9173
9174     gi = CreateGadget(GDI_CUSTOM_ID, id,
9175                       GDI_CUSTOM_TYPE_ID, type_id,
9176                       GDI_IMAGE_ID, graphic,
9177                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
9178                       GDI_X, x,
9179                       GDI_Y, y,
9180                       GDI_WIDTH, gd->width,
9181                       GDI_HEIGHT, gd->height,
9182                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
9183                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
9184                       GDI_CHECKED, checked,
9185                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9186                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9187                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
9188                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
9189                       GDI_EVENT_MASK, event_mask,
9190                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9191                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
9192                       GDI_END);
9193
9194     if (gi == NULL)
9195       Fail("cannot create gadget");
9196
9197     level_editor_gadget[id] = gi;
9198     right_gadget_border[id] =
9199       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
9200   }
9201 }
9202
9203 void CreateLevelEditorGadgets(void)
9204 {
9205   // force EDITOR font inside level editor
9206   SetFontStatus(GAME_MODE_EDITOR);
9207
9208   // these values are not constant, but can change at runtime
9209   ed_fieldx = MAX_ED_FIELDX - 1;
9210   ed_fieldy = MAX_ED_FIELDY - 1;
9211
9212   num_editor_gadgets = NUM_EDITOR_GADGETS;
9213
9214   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
9215
9216   level_editor_gadget =
9217     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
9218   right_gadget_border =
9219     checked_calloc(num_editor_gadgets * sizeof(int));
9220
9221   // set number of empty (padding) element buttons to maximum number of buttons
9222   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
9223
9224   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
9225   editor_el_empty_ptr = editor_el_empty;
9226
9227   use_permanent_palette = !editor.palette.show_as_separate_screen;
9228
9229   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
9230
9231   ReinitializeElementList();
9232
9233   CreateControlButtons();
9234   CreateScrollbarGadgets();
9235
9236   // order of function calls is important because of cross-references
9237   CreateCheckbuttonGadgets();
9238   CreateCounterButtons();
9239   CreateRadiobuttonGadgets();
9240   CreateTextInputGadgets();
9241   CreateTextAreaGadgets();
9242   CreateSelectboxGadgets();
9243   CreateGraphicbuttonGadgets();
9244   CreateTextbuttonGadgets();
9245   CreateDrawingAreas();
9246
9247   ResetFontStatus();
9248 }
9249
9250 void FreeLevelEditorGadgets(void)
9251 {
9252   int i;
9253
9254   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
9255
9256   for (i = 0; i < num_editor_gadgets; i++)
9257   {
9258     FreeGadget(level_editor_gadget[i]);
9259
9260     level_editor_gadget[i] = NULL;
9261   }
9262
9263   checked_free(level_editor_gadget);
9264   checked_free(right_gadget_border);
9265
9266   checked_free(editor_el_empty);
9267 }
9268
9269 static void MapCounterButtons(int id)
9270 {
9271   int font_nr = FONT_TEXT_1;
9272   int font_height = getFontHeight(font_nr);
9273   int gadget_id_down = counterbutton_info[id].gadget_id_down;
9274   int gadget_id_text = counterbutton_info[id].gadget_id_text;
9275   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
9276   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
9277   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
9278   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
9279   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
9280   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9281   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9282   int yoffset = (gi_down->height - font_height) / 2;
9283   int x_left = gi_down->x - xoffset_left;
9284   int x_right;  // set after gadget position was modified
9285   int y_above = gi_down->y - yoffset_above;
9286   int x = gi_down->x;
9287   int y;        // set after gadget position was modified
9288
9289   // counter limits must be changed first to prevent value truncation
9290   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
9291                             counterbutton_info[id].max_value);
9292
9293   // right text position might have changed after setting position above
9294   x_right = gi_up->x + gi_up->width + xoffset_right;
9295
9296   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
9297
9298   // set position for counter gadgets with dynamically determined position
9299   if (id != ED_COUNTER_ID_SELECT_LEVEL)
9300   {
9301     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9302     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9303     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9304   }
9305
9306   // vertical position might have changed after setting position above
9307   y = gi_up->y + yoffset;
9308
9309   if (counterbutton_info[id].text_above)
9310     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
9311
9312   if (counterbutton_info[id].text_left)
9313     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
9314
9315   if (counterbutton_info[id].text_right)
9316     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
9317
9318   MapGadget(gi_down);
9319   MapGadget(gi_text);
9320   MapGadget(gi_up);
9321 }
9322
9323 static void MapControlButtons(void)
9324 {
9325   int counter_id;
9326   int i;
9327
9328   // map toolbox buttons (excluding special CE toolbox buttons)
9329   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
9330     MapGadget(level_editor_gadget[i]);
9331
9332   // map toolbox buttons (element properties buttons)
9333   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
9334     MapGadget(level_editor_gadget[i]);
9335
9336   if (use_permanent_palette)
9337   {
9338     // map buttons to select elements
9339     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9340       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9341     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9342     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9343     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9344   }
9345
9346   // map buttons to select level
9347   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
9348   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
9349   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
9350   MapCounterButtons(counter_id);
9351 }
9352
9353 static void MapDrawingArea(int id)
9354 {
9355   int font_nr = FONT_TEXT_1;
9356   int font_height = getFontHeight(font_nr);
9357   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9358   int area_xsize = gi->drawing.area_xsize;
9359   int area_ysize = gi->drawing.area_ysize;
9360   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9361   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
9362   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
9363   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
9364   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
9365   int x_below = gi->x + (gi->width - xoffset_below) / 2;
9366   int y_side  = gi->y + (gi->height - font_height) / 2;
9367   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
9368   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
9369
9370   if (drawingarea_info[id].text_left)
9371     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
9372
9373   if (drawingarea_info[id].text_right)
9374     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
9375
9376   if (drawingarea_info[id].text_above)
9377     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
9378
9379   if (drawingarea_info[id].text_below)
9380     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
9381
9382   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
9383   {
9384     DrawElementBorder(gi->x, gi->y,
9385                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
9386                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
9387
9388     DrawDrawingArea(id);
9389   }
9390
9391   MapGadget(gi);
9392 }
9393
9394 static void MapTextInputGadget(int id)
9395 {
9396   int font_nr = FONT_TEXT_1;
9397   int font_height = getFontHeight(font_nr);
9398   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9399   int xoffset_left = getTextWidthForGadget(textinput_info[id].text_left);
9400   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9401   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9402   int yoffset = (gi->height - font_height) / 2;
9403   int x_left = gi->x - xoffset_left;
9404   int x_right = gi->x + gi->width + xoffset_right;
9405   int y_above = gi->y - yoffset_above;
9406   int y = gi->y + yoffset;
9407
9408   if (textinput_info[id].text_above)
9409     DrawText(x_left, y_above, textinput_info[id].text_above, font_nr);
9410
9411   if (textinput_info[id].text_left)
9412     DrawText(x_left, y, textinput_info[id].text_left, font_nr);
9413
9414   if (textinput_info[id].text_right)
9415     DrawText(x_right, y, textinput_info[id].text_right, font_nr);
9416
9417   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9418
9419   MapGadget(gi);
9420 }
9421
9422 static void MapTextAreaGadget(int id)
9423 {
9424   int font_nr = FONT_TEXT_1;
9425   int font_height = getFontHeight(font_nr);
9426   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9427   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9428   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9429   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9430   char *text_above = textarea_info[id].text_above;
9431
9432   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9433     text_above = textarea_info[id].text_above_cropped;
9434
9435   if (text_above)
9436     DrawTextS(x_above, y_above, font_nr, text_above);
9437
9438   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9439
9440   MapGadget(gi);
9441 }
9442
9443 static void MapSelectboxGadget(int id)
9444 {
9445   int font_nr = FONT_TEXT_1;
9446   int font_height = getFontHeight(font_nr);
9447   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9448   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9449   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9450   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9451   int yoffset = (gi->height - font_height) / 2;
9452   int x_left = gi->x - xoffset_left;
9453   int x_right = gi->x + gi->width + xoffset_right;
9454   int y_above = gi->y - yoffset_above;
9455   int y = gi->y + yoffset;
9456
9457   if (selectbox_info[id].text_above)
9458     DrawText(x_left, y_above, selectbox_info[id].text_above, font_nr);
9459
9460   if (selectbox_info[id].text_left)
9461     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9462
9463   if (selectbox_info[id].text_right)
9464     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9465
9466   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9467
9468   MapGadget(gi);
9469 }
9470
9471 static void MapTextbuttonGadget(int id)
9472 {
9473   int font_nr = FONT_TEXT_1;
9474   int font_height = getFontHeight(font_nr);
9475   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9476   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9477   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9478   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9479   int yoffset = (gi->height - font_height) / 2;
9480   int x_left = gi->x - xoffset_left;
9481   int x_right = gi->x + gi->width + xoffset_right;
9482   int y_above = gi->y - yoffset_above;
9483   int x = gi->x;
9484   int y = gi->y + yoffset;
9485
9486   // only show button to delete change pages when more than minimum pages
9487   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9488       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9489     return;
9490
9491   if (textbutton_info[id].text_above)
9492     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9493
9494   if (textbutton_info[id].text_left)
9495     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9496
9497   if (textbutton_info[id].text_right)
9498     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9499
9500   MapGadget(gi);
9501 }
9502
9503 static void MapGraphicbuttonGadget(int id)
9504 {
9505   int font_nr = FONT_TEXT_1;
9506   int font_height = getFontHeight(font_nr);
9507   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9508   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9509   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9510   int yoffset = (gi->height - font_height) / 2;
9511   int x_left = gi->x - xoffset_left;
9512   int x_right = gi->x + gi->width + xoffset_right;
9513   int y = gi->y + yoffset;
9514
9515   if (graphicbutton_info[id].text_left)
9516     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9517
9518   if (graphicbutton_info[id].text_right)
9519     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9520
9521   MapGadget(gi);
9522 }
9523
9524 static void MapRadiobuttonGadget(int id)
9525 {
9526   int font_nr = FONT_TEXT_1;
9527   int font_height = getFontHeight(font_nr);
9528   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9529   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9530   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9531   int yoffset = (gi->height - font_height) / 2;
9532   int x_left = gi->x - xoffset_left;
9533   int x_right = gi->x + gi->width + xoffset_right;
9534   int y = gi->y + yoffset;
9535   boolean checked =
9536     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9537
9538   if (radiobutton_info[id].text_left)
9539     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9540
9541   if (radiobutton_info[id].text_right)
9542     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9543
9544   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9545
9546   MapGadget(gi);
9547 }
9548
9549 static void MapCheckbuttonGadget(int id)
9550 {
9551   int font_nr = FONT_TEXT_1;
9552   int font_height = getFontHeight(font_nr);
9553   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9554   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9555   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9556   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9557   int yoffset = (gi->height - font_height) / 2;
9558   int y_above = gi->y - yoffset_above;
9559   int x = gi->x;
9560   int x_left, x_right, y;       // set after gadget position was modified
9561
9562   // set position for gadgets with dynamically determined position
9563   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9564     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9565   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9566
9567   x_left = gi->x - xoffset_left;
9568   x_right = gi->x + gi->width + xoffset_right;
9569   y = gi->y + yoffset;
9570
9571   if (checkbutton_info[id].text_above)
9572     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9573
9574   if (checkbutton_info[id].text_left)
9575     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9576
9577   if (checkbutton_info[id].text_right)
9578     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9579
9580   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9581
9582   MapGadget(gi);
9583 }
9584
9585 static void MapMainDrawingArea(void)
9586 {
9587   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9588   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9589   int i;
9590
9591   if (suppressBorderElement())
9592   {
9593     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9594     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9595   }
9596
9597   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9598   {
9599     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9600           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9601          no_horizontal_scrollbar) ||
9602         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9603           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9604          no_vertical_scrollbar))
9605       continue;
9606
9607     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9608   }
9609
9610   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9611   {
9612     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9613         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9614       continue;
9615
9616     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9617   }
9618
9619   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9620 }
9621
9622 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9623 {
9624   int i;
9625
9626   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9627   {
9628     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9629         i == GADGET_ID_CUSTOM_COPY_TO ||
9630         i == GADGET_ID_CUSTOM_EXCHANGE ||
9631         i == GADGET_ID_CUSTOM_COPY ||
9632         i == GADGET_ID_CUSTOM_PASTE)
9633     {
9634       if (map)
9635         MapGadget(level_editor_gadget[i]);
9636       else
9637         UnmapGadget(level_editor_gadget[i]);
9638     }
9639   }
9640 }
9641
9642 static void MapLevelEditorToolboxCustomGadgets(void)
9643 {
9644   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9645 }
9646
9647 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9648 {
9649   if (IS_CUSTOM_ELEMENT(properties_element) ||
9650       IS_GROUP_ELEMENT(properties_element) ||
9651       IS_EMPTY_ELEMENT(properties_element))
9652     MapLevelEditorToolboxCustomGadgets();
9653 }
9654
9655 static void UnmapLevelEditorToolboxCustomGadgets(void)
9656 {
9657   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9658 }
9659
9660 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9661 {
9662   int i;
9663
9664   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9665   {
9666     if (i != GADGET_ID_SINGLE_ITEMS &&
9667         i != GADGET_ID_PICK_ELEMENT)
9668     {
9669       struct GadgetInfo *gi = level_editor_gadget[i];
9670
9671       if (map)
9672       {
9673         MapGadget(gi);
9674       }
9675       else
9676       {
9677         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9678         struct GraphicInfo *gd = &graphic_info[graphic];
9679
9680         UnmapGadget(gi);
9681
9682         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9683                    gi->width, gi->height, gi->x, gi->y);
9684
9685         redraw_mask |= REDRAW_DOOR_3;
9686       }
9687     }
9688   }
9689 }
9690
9691 static void MapLevelEditorToolboxDrawingGadgets(void)
9692 {
9693   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9694 }
9695
9696 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9697 {
9698   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9699 }
9700
9701 static void UnmapDrawingArea(int id)
9702 {
9703   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9704 }
9705
9706 static void UnmapLevelEditorFieldGadgets(void)
9707 {
9708   int i;
9709
9710   for (i = 0; i < num_editor_gadgets; i++)
9711     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9712                           level_editor_gadget[i]->y))
9713       UnmapGadget(level_editor_gadget[i]);
9714 }
9715
9716 void UnmapLevelEditorGadgets(void)
9717 {
9718   int i;
9719
9720   for (i = 0; i < num_editor_gadgets; i++)
9721     UnmapGadget(level_editor_gadget[i]);
9722 }
9723
9724 static void ResetUndoBuffer(void)
9725 {
9726   undo_buffer_position = -1;
9727   undo_buffer_steps = -1;
9728   redo_buffer_steps = 0;
9729
9730   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9731
9732   level.changed = FALSE;
9733 }
9734
9735 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9736 {
9737   if (remap_toolbox_gadgets)
9738   {
9739     ModifyEditorElementList();
9740     RedrawDrawingElements();
9741   }
9742
9743   if (edit_mode == ED_MODE_LEVELCONFIG)
9744     DrawLevelConfigWindow();
9745   else if (edit_mode == ED_MODE_PROPERTIES)
9746     DrawPropertiesWindow();
9747   else if (edit_mode == ED_MODE_PALETTE)
9748     DrawPaletteWindow();
9749   else  // edit_mode == ED_MODE_DRAWING
9750     DrawDrawingWindowExt(remap_toolbox_gadgets);
9751 }
9752
9753 static void DrawEditModeWindow(void)
9754 {
9755   DrawEditModeWindowExt(TRUE);
9756 }
9757
9758 static void DrawEditModeWindow_PlayfieldOnly(void)
9759 {
9760   DrawEditModeWindowExt(FALSE);
9761 }
9762
9763 static void ChangeEditModeWindow(int new_edit_mode)
9764 {
9765   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9766
9767   DrawEditModeWindow();
9768 }
9769
9770 static boolean LevelChanged(void)
9771 {
9772   boolean field_changed = FALSE;
9773   int x, y;
9774
9775   for (y = 0; y < lev_fieldy; y++)
9776     for (x = 0; x < lev_fieldx; x++)
9777       if (Tile[x][y] != level.field[x][y])
9778         field_changed = TRUE;
9779
9780   return (level.changed || field_changed);
9781 }
9782
9783 static boolean PrepareSavingIntoPersonalLevelSet(void)
9784 {
9785   static LevelDirTree *last_copied_leveldir = NULL;
9786   static LevelDirTree *last_written_leveldir = NULL;
9787   static int last_copied_level_nr = -1;
9788   static int last_written_level_nr = -1;
9789   LevelDirTree *leveldir_former = leveldir_current;
9790   int level_nr_former = level_nr;
9791   int new_level_nr;
9792
9793   // remember last mod/save so that for current session, we write
9794   // back to the same personal copy, asking only about overwrite.
9795   if (leveldir_current == last_copied_leveldir &&
9796       level_nr == last_copied_level_nr)
9797   {
9798     // "cd" to personal level set dir (as used when writing last copy)
9799     leveldir_current = last_written_leveldir;
9800     level_nr = last_written_level_nr;
9801
9802     return TRUE;
9803   }
9804
9805   if (!Request("This level is read-only! "
9806                "Save into personal level set?", REQ_ASK))
9807     return FALSE;
9808
9809   // "cd" to personal level set dir (for writing copy the first time)
9810   leveldir_current =
9811     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9812
9813   // this may happen if "setup.internal.create_user_levelset" is FALSE
9814   // or if file "levelinfo.conf" is missing in personal user level set
9815   if (leveldir_current == NULL)
9816   {
9817     Request("Cannot find personal level set?!", REQ_CONFIRM);
9818
9819     leveldir_current = leveldir_former;
9820
9821     return FALSE;
9822   }
9823
9824   // find unused level number
9825   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9826   {
9827     static char *level_filename = NULL;
9828
9829     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9830
9831     if (!fileExists(level_filename))
9832       break;
9833   }
9834
9835   last_copied_leveldir = leveldir_former;
9836   last_copied_level_nr = level_nr_former;
9837
9838   last_written_leveldir = leveldir_current;
9839   last_written_level_nr = level_nr = new_level_nr;
9840
9841   return TRUE;
9842 }
9843
9844 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9845 {
9846   static char *filename_levelinfo = NULL, *mod_name = NULL;
9847   FILE *file;
9848
9849   // annotate this copy-and-mod in personal levelinfo.conf
9850   setString(&filename_levelinfo,
9851             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9852
9853   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9854   {
9855     fprintf(file, "\n");
9856     fprintf(file, "# level %d was modified from:\n", level_nr);
9857     fprintf(file, "# - previous level set name:    %s\n",
9858             former_name);
9859     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9860             level.file_info.nr, level.name);
9861     fprintf(file, "# - previous author:            %s\n",
9862             level.author);
9863     fprintf(file, "# - previous save date:         ");
9864
9865     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9866     {
9867       fprintf(file, "%04d-%02d-%02d\n",
9868               level.creation_date.year,
9869               level.creation_date.month,
9870               level.creation_date.day);
9871     }
9872     else
9873     {
9874       fprintf(file, "not recorded\n");
9875     }
9876
9877     fclose(file);
9878   }
9879
9880   if (level_nr > leveldir_current->last_level)
9881     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9882
9883   // else: allow the save even if annotation failed
9884
9885   // now... spray graffiti on the old level vital statistics
9886   // user can change these; just trying to set a good baseline
9887
9888   // don't truncate names for fear of making offensive or silly:
9889   // long-named original author only recorded in levelinfo.conf.
9890   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9891   if (!strEqual(level.author, leveldir_current->author))
9892   {
9893     setString(&mod_name, getStringCat3(leveldir_current->author,
9894                                        " after ", level.author));
9895
9896     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9897       setString(&mod_name,
9898                 getStringCat2(leveldir_current->author, " (ed.)"));
9899
9900     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9901       setString(&mod_name, leveldir_current->author);
9902
9903     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9904
9905     // less worried about truncation here
9906     setString(&mod_name, getStringCat2("Mod: ", level.name));
9907     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9908   }
9909 }
9910
9911 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9912                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9913 {
9914   int x, y;
9915
9916   for (x = 0; x < lev_fieldx; x++)
9917     for (y = 0; y < lev_fieldy; y++)
9918       dst[x][y] = src[x][y];
9919 }
9920
9921 static int setSelectboxValue(int selectbox_id, int new_value)
9922 {
9923   int new_index_value = 0;
9924   int i;
9925
9926   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9927     if (selectbox_info[selectbox_id].options[i].value == new_value)
9928       new_index_value = i;
9929
9930   *selectbox_info[selectbox_id].value =
9931     selectbox_info[selectbox_id].options[new_index_value].value;
9932
9933   return new_index_value;
9934 }
9935
9936 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9937 {
9938   int i;
9939
9940   // change action mode and arg variables according to action type variable
9941   for (i = 0; action_arg_options[i].value != -1; i++)
9942   {
9943     if (action_arg_options[i].value == custom_element_change.action_type)
9944     {
9945       int mode = action_arg_options[i].mode;
9946
9947       // only change if corresponding selectbox has changed
9948       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9949           action_arg_modes[mode])
9950         custom_element_change.action_mode = -1;
9951
9952       // only change if corresponding selectbox has changed
9953       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9954           action_arg_options[i].options)
9955         custom_element_change.action_arg = -1;
9956
9957       break;
9958     }
9959   }
9960 }
9961
9962 static void setSelectboxSpecialActionOptions(void)
9963 {
9964   int i;
9965
9966   // change action mode and arg selectbox according to action type selectbox
9967   for (i = 0; action_arg_options[i].value != -1; i++)
9968   {
9969     if (action_arg_options[i].value == custom_element_change.action_type)
9970     {
9971       int mode = action_arg_options[i].mode;
9972
9973       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9974                                    action_arg_modes[mode]);
9975       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9976                                  custom_element_change.action_mode);
9977
9978       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9979                                    action_arg_options[i].options);
9980       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9981                                  custom_element_change.action_arg);
9982       break;
9983     }
9984   }
9985 }
9986
9987 static void copy_custom_element_settings(int element_from, int element_to)
9988 {
9989   struct ElementInfo *ei_from = &element_info[element_from];
9990   struct ElementInfo *ei_to = &element_info[element_to];
9991
9992   copyElementInfo(ei_from, ei_to);
9993 }
9994
9995 static void replace_custom_element_in_settings(int element_from,
9996                                                int element_to)
9997 {
9998   int i, j, x, y;
9999
10000   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10001   {
10002     struct ElementInfo *ei = &element_info[i];
10003
10004     for (y = 0; y < 3; y++)
10005       for (x = 0; x < 3; x++)
10006         if (ei->content.e[x][y] == element_from)
10007           ei->content.e[x][y] = element_to;
10008
10009     for (j = 0; j < ei->num_change_pages; j++)
10010     {
10011       struct ElementChangeInfo *change = &ei->change_page[j];
10012
10013       if (change->target_element == element_from)
10014         change->target_element = element_to;
10015
10016       if (change->initial_trigger_element == element_from)
10017         change->initial_trigger_element = element_to;
10018
10019       if (change->action_element == element_from)
10020         change->action_element = element_to;
10021
10022       for (y = 0; y < 3; y++)
10023         for (x = 0; x < 3; x++)
10024           if (change->target_content.e[x][y] == element_from)
10025             change->target_content.e[x][y] = element_to;
10026     }
10027
10028     if (ei->group != NULL)                              // group or internal
10029       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
10030         if (ei->group->element[j] == element_from)
10031           ei->group->element[j] = element_to;
10032   }
10033 }
10034
10035 static void replace_custom_element_in_playfield(int element_from,
10036                                                 int element_to)
10037 {
10038   int x, y;
10039
10040   for (x = 0; x < lev_fieldx; x++)
10041     for (y = 0; y < lev_fieldy; y++)
10042       if (Tile[x][y] == element_from)
10043         Tile[x][y] = element_to;
10044 }
10045
10046 static boolean CopyCustomElement(int element_old, int element_new,
10047                                  int copy_mode)
10048 {
10049   int copy_mode_orig = copy_mode;
10050
10051   if (copy_mode == GADGET_ID_CUSTOM_COPY)
10052   {
10053     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
10054                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
10055     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
10056   }
10057   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
10058   {
10059     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
10060                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
10061     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
10062
10063     level.changed = TRUE;
10064   }
10065   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
10066   {
10067     Request("Please choose custom element!", REQ_CONFIRM);
10068
10069     return FALSE;
10070   }
10071   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
10072   {
10073     Request("Please choose group element!", REQ_CONFIRM);
10074
10075     return FALSE;
10076   }
10077   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
10078   {
10079     Request("Please choose empty element!", REQ_CONFIRM);
10080
10081     return FALSE;
10082   }
10083   else
10084   {
10085     level.changed = TRUE;
10086   }
10087
10088   // when modifying custom/group element, ask for copying level template
10089   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
10090   {
10091     if (!AskToCopyAndModifyLevelTemplate())
10092       return FALSE;
10093   }
10094
10095   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
10096   {
10097     copy_custom_element_settings(element_new, element_old);
10098   }
10099   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
10100   {
10101     copy_custom_element_settings(element_old, element_new);
10102   }
10103   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
10104   {
10105     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
10106     copy_custom_element_settings(element_new, element_old);
10107     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
10108
10109     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
10110     replace_custom_element_in_settings(element_new, element_old);
10111     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
10112
10113     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
10114     replace_custom_element_in_playfield(element_new, element_old);
10115     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
10116   }
10117
10118   UpdateCustomElementGraphicGadgets();
10119   DrawPropertiesWindow();
10120
10121   return TRUE;
10122 }
10123
10124 static void CopyCustomElementPropertiesToEditor(int element)
10125 {
10126   int i;
10127   int current_change_page = element_info[element].current_change_page;
10128
10129   // dynamically (re)build selectbox for selecting change page
10130   for (i = 0; i < element_info[element].num_change_pages; i++)
10131   {
10132     sprintf(options_change_page_strings[i], "%d", i + 1);
10133
10134     options_change_page[i].value = i;
10135     options_change_page[i].text = options_change_page_strings[i];
10136   }
10137
10138   options_change_page[i].value = -1;
10139   options_change_page[i].text = NULL;
10140
10141   // needed here to initialize combined element properties
10142   InitElementPropertiesEngine(level.game_version);
10143
10144   element_info[element].change =
10145     &element_info[element].change_page[current_change_page];
10146
10147   custom_element = element_info[element];
10148   custom_element_change = *element_info[element].change;
10149
10150   // needed to initially set selectbox options for special action options
10151   setSelectboxSpecialActionOptions();
10152
10153   // needed to initially set selectbox value variables to reliable defaults
10154   for (i = 0; i < ED_NUM_SELECTBOX; i++)
10155     setSelectboxValue(i, *selectbox_info[i].value);
10156
10157   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10158     custom_element_properties[i] = HAS_PROPERTY(element, i);
10159
10160   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10161     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
10162
10163   // ---------- element settings: configure (custom elements) -----------------
10164
10165   // set accessible layer selectbox help value
10166   custom_element.access_type =
10167     (IS_WALKABLE(element) ? EP_WALKABLE :
10168      IS_PASSABLE(element) ? EP_PASSABLE :
10169      custom_element.access_type);
10170   custom_element.access_layer =
10171     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
10172      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
10173      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
10174      custom_element.access_layer);
10175   custom_element.access_protected =
10176     (IS_PROTECTED(element) ? 1 : 0);
10177   custom_element_properties[EP_ACCESSIBLE] =
10178     (IS_ACCESSIBLE_OVER(element) ||
10179      IS_ACCESSIBLE_INSIDE(element) ||
10180      IS_ACCESSIBLE_UNDER(element));
10181
10182   // set walk-to-object action selectbox help value
10183   custom_element.walk_to_action =
10184     (IS_DIGGABLE(element) ? EP_DIGGABLE :
10185      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
10186      IS_DROPPABLE(element) ? EP_DROPPABLE :
10187      IS_THROWABLE(element) ? EP_THROWABLE :
10188      IS_PUSHABLE(element) ? EP_PUSHABLE :
10189      custom_element.walk_to_action);
10190   custom_element_properties[EP_WALK_TO_OBJECT] =
10191     (IS_DIGGABLE(element) ||
10192      IS_COLLECTIBLE_ONLY(element) ||
10193      IS_DROPPABLE(element) ||
10194      IS_THROWABLE(element) ||
10195      IS_PUSHABLE(element));
10196
10197   // set smash targets selectbox help value
10198   custom_element.smash_targets =
10199     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
10200      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
10201      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
10202      custom_element.smash_targets);
10203   custom_element_properties[EP_CAN_SMASH] =
10204     (CAN_SMASH_EVERYTHING(element) ||
10205      CAN_SMASH_ENEMIES(element) ||
10206      CAN_SMASH_PLAYER(element));
10207
10208   // set deadliness selectbox help value
10209   custom_element.deadliness =
10210     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
10211      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
10212      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
10213      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
10214      custom_element.deadliness);
10215   custom_element_properties[EP_DEADLY] =
10216     (DONT_TOUCH(element) ||
10217      DONT_GET_HIT_BY(element) ||
10218      DONT_COLLIDE_WITH(element) ||
10219      DONT_RUN_INTO(element));
10220
10221   // ---------- element settings: advanced (custom elements) ------------------
10222
10223   // set "change by direct action" selectbox help value
10224   custom_element_change.direct_action =
10225     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
10226      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
10227      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
10228      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
10229      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
10230      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
10231      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
10232      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
10233      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
10234      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
10235      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
10236      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
10237      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
10238      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
10239      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
10240      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
10241      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
10242      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
10243      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
10244      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
10245      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
10246      custom_element_change.direct_action);
10247
10248   // set "change by other element action" selectbox help value
10249   custom_element_change.other_action =
10250     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
10251      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
10252      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
10253      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
10254      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
10255      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
10256      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
10257      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
10258      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
10259      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
10260      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
10261      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
10262      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
10263      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
10264      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
10265      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
10266      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
10267      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
10268      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
10269      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
10270      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
10271      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
10272      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
10273      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
10274      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
10275      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
10276      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
10277      custom_element_change.other_action);
10278 }
10279
10280 static void CopyGroupElementPropertiesToEditor(int element)
10281 {
10282   group_element_info = *element_info[element].group;
10283   custom_element = element_info[element];       // needed for description
10284 }
10285
10286 static void CopyEmptyElementPropertiesToEditor(int element)
10287 {
10288   custom_element = element_info[element];
10289 }
10290
10291 static void CopyClassicElementPropertiesToEditor(int element)
10292 {
10293   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10294     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
10295       getMoveIntoAcidProperty(&level, element);
10296
10297   if (MAYBE_DONT_COLLIDE_WITH(element))
10298     custom_element_properties[EP_DONT_COLLIDE_WITH] =
10299       getDontCollideWithProperty(&level, element);
10300 }
10301
10302 static void CopyElementPropertiesToEditor(int element)
10303 {
10304   if (IS_CUSTOM_ELEMENT(element))
10305     CopyCustomElementPropertiesToEditor(element);
10306   else if (IS_GROUP_ELEMENT(element))
10307     CopyGroupElementPropertiesToEditor(element);
10308   else if (IS_EMPTY_ELEMENT(element))
10309     CopyEmptyElementPropertiesToEditor(element);
10310   else
10311     CopyClassicElementPropertiesToEditor(element);
10312 }
10313
10314 static boolean AskToCopyAndModifyLevelTemplate(void)
10315 {
10316   if (Request("Copy and modify settings from level template?", REQ_ASK))
10317   {
10318     level.use_custom_template = FALSE;
10319
10320     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
10321                  GDI_CHECKED, FALSE, GDI_END);
10322     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
10323                  GDI_CHECKED, FALSE, GDI_END);
10324
10325     return TRUE;
10326   }
10327   else
10328   {
10329     LoadLevelTemplate(-1);      // this resets all element modifications ...
10330
10331     DrawEditModeWindow();       // ... and copies them to 'custom_element'
10332
10333     return FALSE;
10334   }
10335 }
10336
10337 static void CopyCustomElementPropertiesToGame(int element)
10338 {
10339   int i;
10340   int access_type_and_layer;
10341
10342   // mark that this custom element has been modified
10343   custom_element.modified_settings = TRUE;
10344   level.changed = TRUE;
10345
10346   if (level.use_custom_template)
10347     AskToCopyAndModifyLevelTemplate();
10348
10349   element_info[element] = custom_element;
10350   *element_info[element].change = custom_element_change;
10351
10352   // ---------- element settings: configure (custom elements) -----------------
10353
10354   // set accessible property from checkbox and selectbox
10355   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
10356   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
10357   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
10358   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
10359   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
10360   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
10361   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
10362                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
10363                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
10364   custom_element_properties[access_type_and_layer] =
10365     custom_element_properties[EP_ACCESSIBLE];
10366   custom_element_properties[EP_PROTECTED] =
10367     (custom_element.access_protected != 0 &&
10368      custom_element_properties[EP_ACCESSIBLE]);
10369
10370   // set walk-to-object property from checkbox and selectbox
10371   custom_element_properties[EP_DIGGABLE] = FALSE;
10372   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
10373   custom_element_properties[EP_DROPPABLE] = FALSE;
10374   custom_element_properties[EP_THROWABLE] = FALSE;
10375   custom_element_properties[EP_PUSHABLE] = FALSE;
10376   custom_element_properties[custom_element.walk_to_action] =
10377     custom_element_properties[EP_WALK_TO_OBJECT];
10378
10379   // set smash property from checkbox and selectbox
10380   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
10381   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
10382   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
10383   custom_element_properties[custom_element.smash_targets] =
10384     custom_element_properties[EP_CAN_SMASH];
10385
10386   // set deadliness property from checkbox and selectbox
10387   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
10388   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
10389   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
10390   custom_element_properties[EP_DONT_TOUCH] = FALSE;
10391   custom_element_properties[custom_element.deadliness] =
10392     custom_element_properties[EP_DEADLY];
10393
10394   // ---------- element settings: advanced (custom elements) ------------------
10395
10396   // set player change event from checkbox and selectbox
10397   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
10398   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
10399   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
10400   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
10401   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
10402   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
10403   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
10404   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
10405   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
10406   custom_element_change_events[CE_SWITCHED] = FALSE;
10407   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10408   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10409   custom_element_change_events[CE_BLOCKED] = FALSE;
10410   custom_element_change_events[CE_IMPACT] = FALSE;
10411   custom_element_change_events[CE_SMASHED] = FALSE;
10412   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10413   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10414   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10415   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10416   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10417   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10418   custom_element_change_events[custom_element_change.direct_action] =
10419     custom_element_change_events[CE_BY_DIRECT_ACTION];
10420
10421   // set other element action change event from checkbox and selectbox
10422   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10423   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10424   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10425   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10426   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10427   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10428   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10429   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10430   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10431   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10432   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10433   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10434   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10435   custom_element_change_events[CE_HITTING_X] = FALSE;
10436   custom_element_change_events[CE_DIGGING_X] = FALSE;
10437   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10438   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10439   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10440   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10441   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10442   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10443   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10444   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10445   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10446   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10447   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10448   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10449   custom_element_change_events[custom_element_change.other_action] =
10450     custom_element_change_events[CE_BY_OTHER_ACTION];
10451
10452   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10453     SET_PROPERTY(element, i, custom_element_properties[i]);
10454
10455   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10456     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10457
10458   // copy change events also to special level editor variable
10459   custom_element = element_info[element];
10460   custom_element_change = *element_info[element].change;
10461
10462   // needed here to restore runtime value "element_info[element].gfx_element"
10463   InitElementPropertiesGfxElement();
10464 }
10465
10466 static void CopyGroupElementPropertiesToGame(int element)
10467 {
10468   // mark that this group element has been modified
10469   custom_element.modified_settings = TRUE;
10470   level.changed = TRUE;
10471
10472   if (level.use_custom_template)
10473     AskToCopyAndModifyLevelTemplate();
10474
10475   element_info[element] = custom_element;
10476   *element_info[element].group = group_element_info;
10477
10478   // needed here to restore runtime value "element_info[element].gfx_element"
10479   InitElementPropertiesGfxElement();
10480 }
10481
10482 static void CopyEmptyElementPropertiesToGame(int element)
10483 {
10484   // mark that this empty element has been modified
10485   custom_element.modified_settings = TRUE;
10486   level.changed = TRUE;
10487
10488   if (level.use_custom_template)
10489     AskToCopyAndModifyLevelTemplate();
10490
10491   element_info[element] = custom_element;
10492
10493   // needed here to restore runtime value "element_info[element].gfx_element"
10494   InitElementPropertiesGfxElement();
10495 }
10496
10497 static void CopyClassicElementPropertiesToGame(int element)
10498 {
10499   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10500     setMoveIntoAcidProperty(&level, element,
10501                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10502
10503   if (MAYBE_DONT_COLLIDE_WITH(element))
10504     setDontCollideWithProperty(&level, element,
10505                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10506 }
10507
10508 static void CopyElementPropertiesToGame(int element)
10509 {
10510   if (IS_CUSTOM_ELEMENT(element))
10511     CopyCustomElementPropertiesToGame(element);
10512   else if (IS_GROUP_ELEMENT(element))
10513     CopyGroupElementPropertiesToGame(element);
10514   else if (IS_EMPTY_ELEMENT(element))
10515     CopyEmptyElementPropertiesToGame(element);
10516   else
10517     CopyClassicElementPropertiesToGame(element);
10518 }
10519
10520 #if DEBUG
10521 static void CheckElementDescriptions(void)
10522 {
10523   int i;
10524
10525   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10526     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10527       Warn("no element description file for element '%s'", EL_NAME(i));
10528 }
10529 #endif
10530
10531 static int getMaxEdFieldX(boolean has_scrollbar)
10532 {
10533   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10534   int sxsize = SXSIZE - scrollbar_width;
10535   int max_ed_fieldx = sxsize / ed_tilesize;
10536
10537   return max_ed_fieldx;
10538 }
10539
10540 static int getMaxEdFieldY(boolean has_scrollbar)
10541 {
10542   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10543                          INFOTEXT_YSIZE_FULL : 0);
10544   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10545   int sysize = SYSIZE - scrollbar_height - infotext_height;
10546   int max_ed_fieldy = sysize / ed_tilesize;
10547
10548   return max_ed_fieldy;
10549 }
10550
10551 static void InitZoomLevelSettings(int zoom_tilesize)
10552 {
10553   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10554
10555   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10556   {
10557     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10558     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10559
10560     // make sure that tile size is always a power of 2
10561     ed_tilesize = (1 << log_2(ed_tilesize));
10562
10563     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10564     {
10565       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10566       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10567     }
10568   }
10569
10570   last_game_engine_type = level.game_engine_type;
10571
10572   // limit zoom tilesize by upper and lower bound
10573   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10574
10575   // store zoom tilesize in auto setup file only if it was manually changed
10576   if (zoom_tilesize != -1)
10577     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10578
10579   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10580   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10581 }
10582
10583 static void InitDrawingElements(void)
10584 {
10585   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10586
10587   if (level.game_engine_type == game_engine_type_last)
10588     return;
10589
10590   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10591   {
10592     new_element1 = EL_BD_WALL;
10593     new_element2 = EL_EMPTY;
10594     new_element3 = EL_BD_SAND;
10595   }
10596   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10597   {
10598     new_element1 = EL_SP_CHIP_SINGLE;
10599     new_element2 = EL_EMPTY;
10600     new_element3 = EL_SP_BASE;
10601   }
10602   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10603   {
10604     new_element1 = EL_MM_MIRROR_START;
10605     new_element2 = EL_EMPTY;
10606     new_element3 = EL_MM_WOODEN_WALL;
10607   }
10608   else
10609   {
10610     new_element1 = EL_WALL;
10611     new_element2 = EL_EMPTY;
10612     new_element3 = EL_SAND;
10613   }
10614
10615   game_engine_type_last = level.game_engine_type;
10616 }
10617
10618 static void InitLevelSetInfo(void)
10619 {
10620   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10621            "%s", leveldir_current->name);
10622   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10623            "%s", leveldir_current->author);
10624
10625   levelset_num_levels = leveldir_current->levels;
10626
10627   levelset_use_levelset_artwork = FALSE;
10628   levelset_copy_level_template = FALSE;
10629
10630   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10631 }
10632
10633 static void ChangeEditorToLevelSet(char *levelset_subdir)
10634 {
10635   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10636
10637   // the previous level set might have used custom artwork
10638   ReloadCustomArtwork(0);
10639
10640   LoadLevelSetup_SeriesInfo();
10641
10642   SaveLevelSetup_LastSeries();
10643   SaveLevelSetup_SeriesInfo();
10644
10645   TapeErase();
10646
10647   LoadLevel(level_nr);
10648   LoadScore(level_nr);
10649
10650   DrawLevelEd();
10651 }
10652
10653 static boolean useEditorDoorAnimation(void)
10654 {
10655   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10656   boolean door_1_viewport_unchanged =
10657     (vp_door_1->x      == DX     &&
10658      vp_door_1->y      == DY     &&
10659      vp_door_1->width  == DXSIZE &&
10660      vp_door_1->height == DYSIZE);
10661   boolean door_1_contains_toolbox =
10662     (EX >= DX &&
10663      EY >= DY &&
10664      EX + EXSIZE <= DX + DXSIZE &&
10665      EY + EYSIZE <= DY + DYSIZE);
10666
10667   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10668 }
10669
10670 static void DrawEditorDoorBackground(int graphic, int x, int y,
10671                                      int width, int height)
10672 {
10673   struct GraphicInfo *g = &graphic_info[graphic];
10674
10675   if (g->bitmap != NULL)
10676     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10677                MIN(width, g->width), MIN(height, g->height), x, y);
10678   else
10679     ClearRectangle(drawto, x, y, width, height);
10680 }
10681
10682 static void DrawEditorDoorContent(void)
10683 {
10684   // needed for gadgets drawn on background (like palette scrollbar)
10685   SetDoorBackgroundImage(IMG_UNDEFINED);
10686
10687   // copy default editor door content to main double buffer
10688   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10689
10690   // draw bigger door
10691   DrawSpecialEditorDoor();
10692
10693   // draw new control window
10694   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10695
10696   // draw all toolbox gadgets to editor doors
10697   MapControlButtons();
10698
10699   // when returning from test game to properties page, redraw toolbox gadgets
10700   if (edit_mode == ED_MODE_PROPERTIES)
10701   {
10702     UnmapLevelEditorToolboxDrawingGadgets();
10703     UnmapLevelEditorToolboxCustomGadgets();
10704
10705     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10706   }
10707
10708   // draw all palette gadgets to editor doors
10709   ModifyEditorElementList();
10710   RedrawDrawingElements();
10711
10712   // copy actual editor door content to door double buffer for OpenDoor()
10713   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10714 }
10715
10716 void DrawLevelEd(void)
10717 {
10718   int fade_mask = REDRAW_FIELD;
10719
10720   FadeSoundsAndMusic();
10721
10722   if (CheckFadeAll())
10723     fade_mask = REDRAW_ALL;
10724
10725   FadeOut(fade_mask);
10726
10727   // needed if different viewport properties defined for editor
10728   ChangeViewportPropertiesIfNeeded();
10729
10730   ClearField();
10731
10732   InitZoomLevelSettings(-1);
10733   InitDrawingElements();
10734   InitLevelSetInfo();
10735
10736 #if DEBUG
10737   CheckElementDescriptions();
10738 #endif
10739
10740   if (level_editor_test_game)
10741   {
10742     CopyPlayfield(level.field, Tile);
10743     CopyPlayfield(TileBackup, level.field);
10744
10745     level_editor_test_game = FALSE;
10746   }
10747   else
10748   {
10749     edit_mode = ED_MODE_DRAWING;
10750     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10751     edit_mode_engineconfig = ED_MODE_ENGINECONFIG_CONFIG;
10752     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10753
10754     ResetUndoBuffer();
10755
10756     level_xpos = -1;
10757     level_ypos = -1;
10758   }
10759
10760   // redraw_mask |= REDRAW_ALL;
10761
10762   FreeLevelEditorGadgets();
10763   CreateLevelEditorGadgets();
10764
10765   ReinitializeElementList();            // update dynamic level element list
10766   ReinitializeElementListButtons();     // custom element may look different
10767
10768   InitElementPropertiesGfxElement();
10769
10770   UnmapAllGadgets();
10771
10772   DrawEditModeWindow_PlayfieldOnly();
10773
10774   DrawMaskedBorder(fade_mask);
10775
10776   // use door animation if door 1 viewport is unchanged and contains toolbox
10777   if (useEditorDoorAnimation())
10778   {
10779     FadeIn(fade_mask);
10780
10781     DrawEditorDoorContent();
10782
10783     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10784   }
10785   else
10786   {
10787     DrawEditorDoorContent();
10788
10789     FadeIn(fade_mask);
10790   }
10791
10792   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10793 }
10794
10795 static void AdjustDrawingAreaGadgets(void)
10796 {
10797   int ed_xsize = lev_fieldx + 2;
10798   int ed_ysize = lev_fieldy + 2;
10799   int max_ed_fieldx = MAX_ED_FIELDX;
10800   int max_ed_fieldy = MAX_ED_FIELDY;
10801   boolean horizontal_scrollbar_needed;
10802   boolean vertical_scrollbar_needed;
10803   int x, y, width, height;
10804
10805   if (suppressBorderElement())
10806   {
10807     ed_xsize = lev_fieldx;
10808     ed_ysize = lev_fieldy;
10809   }
10810
10811   // check if we need any scrollbars
10812   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10813   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10814
10815   // check if we have a smaller editor field because of scrollbars
10816   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10817   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10818
10819   // check again if we now need more scrollbars because of less space
10820   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10821   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10822
10823   // check if editor field gets even smaller after adding new scrollbars
10824   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10825   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10826
10827   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10828   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10829
10830   x = SX + ed_fieldx * ed_tilesize;
10831   y = SY + ed_fieldy * ed_tilesize;
10832
10833   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10834   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10835
10836   // adjust drawing area gadget
10837   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10838                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10839                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10840                GDI_END);
10841
10842   // adjust horizontal scrollbar gadgets
10843   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10844                GDI_Y, y,
10845                GDI_END);
10846   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10847                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10848                GDI_Y, y,
10849                GDI_END);
10850   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10851                GDI_Y, y,
10852                GDI_WIDTH, width,
10853                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10854                GDI_END);
10855
10856   // adjust vertical scrollbar gadgets
10857   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10858                GDI_X, x,
10859                GDI_END);
10860   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10861                GDI_X, x,
10862                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10863                GDI_END);
10864   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10865                GDI_X, x,
10866                GDI_HEIGHT, height,
10867                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10868                GDI_END);
10869 }
10870
10871 static void AdjustLevelScrollPosition(void)
10872 {
10873   if (level_xpos < -1)
10874     level_xpos = -1;
10875   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10876     level_xpos = lev_fieldx - ed_fieldx + 1;
10877   if (lev_fieldx < ed_fieldx - 2)
10878     level_xpos = -1;
10879
10880   if (level_ypos < -1)
10881     level_ypos = -1;
10882   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10883     level_ypos = lev_fieldy - ed_fieldy + 1;
10884   if (lev_fieldy < ed_fieldy - 2)
10885     level_ypos = -1;
10886
10887   if (suppressBorderElement())
10888   {
10889     level_xpos = 0;
10890     level_ypos = 0;
10891   }
10892 }
10893
10894 static void AdjustEditorScrollbar(int id)
10895 {
10896   struct GadgetInfo *gi = level_editor_gadget[id];
10897   int items_max, items_visible, item_position;
10898
10899   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10900   {
10901     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10902     items_visible = ed_fieldx;
10903     item_position = level_xpos + 1;
10904   }
10905   else
10906   {
10907     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10908     items_visible = ed_fieldy;
10909     item_position = level_ypos + 1;
10910   }
10911
10912   if (item_position > items_max - items_visible)
10913     item_position = items_max - items_visible;
10914
10915   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10916                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10917 }
10918
10919 static void AdjustElementListScrollbar(void)
10920 {
10921   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10922   int items_max, items_visible, item_position;
10923
10924   // correct position of element list scrollbar
10925   if (element_shift < 0)
10926     element_shift = 0;
10927   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10928     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10929
10930   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10931   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10932   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10933
10934   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10935                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10936                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10937 }
10938
10939 static void ModifyEditorCounterValue(int counter_id, int new_value)
10940 {
10941   int *counter_value = counterbutton_info[counter_id].value;
10942   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10943   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10944
10945   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10946
10947   if (counter_value != NULL)
10948     *counter_value = gi->textinput.number_value;
10949 }
10950
10951 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10952 {
10953   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10954   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10955
10956   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10957
10958   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10959       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10960   {
10961     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10962     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10963
10964     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10965     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10966                  GDI_END);
10967   }
10968 }
10969
10970 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10971 {
10972   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10973   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10974   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10975
10976   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10977 }
10978
10979 static void ModifyEditorSelectboxOptions(int selectbox_id,
10980                                          struct ValueTextInfo *options)
10981 {
10982   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10983   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10984
10985   selectbox_info[selectbox_id].options = options;
10986
10987   // set index to zero -- list may be shorter now (correct later, if needed)
10988   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10989                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10990 }
10991
10992 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10993 {
10994   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10995   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10996
10997   drawingarea_info[drawingarea_id].area_xsize = xsize;
10998   drawingarea_info[drawingarea_id].area_ysize = ysize;
10999
11000   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
11001 }
11002
11003 static void ModifyEditorElementList(void)
11004 {
11005   int i;
11006
11007   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
11008     return;
11009
11010   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11011   {
11012     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
11013     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11014     struct GadgetDesign *gd = &gi->deco.design;
11015     int element = editor_elements[element_shift + i];
11016     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
11017
11018     UnmapGadget(gi);
11019
11020     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
11021
11022     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
11023
11024     MapGadget(gi);
11025   }
11026 }
11027
11028 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
11029 {
11030   int graphic = el2edimg(element);
11031   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
11032
11033   if (pos->x == -1 &&
11034       pos->y == -1)
11035     return;
11036
11037   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
11038 }
11039
11040 static void ModifyDrawingElementButton(int element, int id)
11041 {
11042   struct GadgetInfo *gi = level_editor_gadget[id];
11043   Bitmap *deco_bitmap;
11044   int deco_x, deco_y;
11045   int tile_size = gi->deco.width;
11046
11047   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
11048
11049   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
11050 }
11051
11052 static void PickDrawingElement(int button, int element)
11053 {
11054   struct
11055   {
11056     int *new_element;
11057     struct XYTileSize *pos;
11058     int id;
11059   } de, drawing_elements[] =
11060   {
11061     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
11062     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
11063     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
11064   };
11065
11066   if (button < 1 || button > 3)
11067     return;
11068
11069   if (IS_MM_WALL(element))
11070     element = map_mm_wall_element(element);
11071
11072   de = drawing_elements[button - 1];
11073
11074   *de.new_element = element;    // update global drawing element variable
11075
11076   DrawDrawingElementGraphic(element, de.pos);
11077   ModifyDrawingElementButton(element, de.id);
11078
11079   redraw_mask |= REDRAW_DOOR_1;
11080 }
11081
11082 static void RedrawDrawingElements(void)
11083 {
11084   PickDrawingElement(1, new_element1);
11085   PickDrawingElement(2, new_element2);
11086   PickDrawingElement(3, new_element3);
11087 }
11088
11089 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
11090 {
11091   stick_element_properties_window = FALSE;
11092
11093   SetMainBackgroundImage(IMG_UNDEFINED);
11094   ClearField();
11095
11096   UnmapLevelEditorFieldGadgets();
11097
11098   AdjustDrawingAreaGadgets();
11099   AdjustLevelScrollPosition();
11100   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
11101   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
11102
11103   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11104
11105   MapMainDrawingArea();
11106
11107   if (remap_toolbox_gadgets)
11108   {
11109     UnmapLevelEditorToolboxCustomGadgets();
11110     MapLevelEditorToolboxDrawingGadgets();
11111   }
11112 }
11113
11114 static void DrawDrawingWindow(void)
11115 {
11116   DrawDrawingWindowExt(TRUE);
11117 }
11118
11119 static int getTabulatorBarWidth(void)
11120 {
11121   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11122   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
11123
11124   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
11125 }
11126
11127 static int getTabulatorBarHeight(void)
11128 {
11129   return ED_TAB_BAR_HEIGHT;
11130 }
11131
11132 static Pixel getTabulatorBarColor(void)
11133 {
11134   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
11135   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11136   int gd_x = gd->x + gd_gi1->border.width / 2;
11137   int gd_y = gd->y + gd_gi1->height - 1;
11138
11139   return GetPixel(gd->bitmap, gd_x, gd_y);
11140 }
11141
11142 static void DrawEngineConfigTabulatorGadgets(void)
11143 {
11144   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_ENGINECONFIG_CONFIG];
11145   Pixel tab_color = getTabulatorBarColor();
11146   int id_first = ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG;
11147   int id_last  = ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS;
11148   int i;
11149
11150   for (i = id_first; i <= id_last; i++)
11151   {
11152     int gadget_id = textbutton_info[i].gadget_id;
11153     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11154     boolean active = (i != edit_mode_engineconfig);
11155
11156     // draw background line below tabulator button
11157     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11158
11159     // draw solid line below inactive tabulator buttons
11160     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11161       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11162                     ED_GADGET_TINY_DISTANCE, tab_color);
11163
11164     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11165     MapTextbuttonGadget(i);
11166   }
11167
11168   // draw little border line below tabulator buttons
11169   if (tab_color != BLACK_PIXEL)                 // black => transparent
11170     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11171                   ED_GADGET_TINY_DISTANCE,
11172                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11173 }
11174
11175 static void DrawLevelConfigTabulatorGadgets(void)
11176 {
11177   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
11178   Pixel tab_color = getTabulatorBarColor();
11179   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
11180   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
11181   int i;
11182
11183   // draw additional "engine" tabulator when using native BD engine
11184   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
11185     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
11186
11187   for (i = id_first; i <= id_last; i++)
11188   {
11189     int gadget_id = textbutton_info[i].gadget_id;
11190     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11191     boolean active = (i != edit_mode_levelconfig);
11192
11193     // draw background line below tabulator button
11194     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11195
11196     // draw solid line below inactive tabulator buttons
11197     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11198       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11199                     ED_GADGET_TINY_DISTANCE, tab_color);
11200
11201     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11202     MapTextbuttonGadget(i);
11203   }
11204
11205   // draw little border line below tabulator buttons
11206   if (tab_color != BLACK_PIXEL)                 // black => transparent
11207     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11208                   ED_GADGET_TINY_DISTANCE,
11209                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11210
11211   // draw second row of engine related tabulators when using native BD engine
11212   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11213     DrawEngineConfigTabulatorGadgets();
11214 }
11215
11216 static void DrawPropertiesTabulatorGadgets(void)
11217 {
11218   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11219   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11220   int gd_x = gd->x + gd_gi1->border.width / 2;
11221   int gd_y = gd->y + gd_gi1->height - 1;
11222   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11223   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
11224   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
11225   int i;
11226
11227   // draw two config tabulators for player elements
11228   if (IS_PLAYER_ELEMENT(properties_element))
11229     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
11230
11231   // draw two config and one "change" tabulator for custom elements
11232   if (IS_CUSTOM_ELEMENT(properties_element))
11233     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
11234
11235   for (i = id_first; i <= id_last; i++)
11236   {
11237     int gadget_id = textbutton_info[i].gadget_id;
11238     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11239     boolean active = (i != edit_mode_properties);
11240
11241     // use "config 1" and "config 2" instead of "config" for players and CEs
11242     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
11243         (IS_PLAYER_ELEMENT(properties_element) ||
11244          IS_CUSTOM_ELEMENT(properties_element)))
11245       continue;
11246
11247     // draw background line below tabulator button
11248     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11249
11250     // draw solid line below inactive tabulator buttons
11251     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11252       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11253                     ED_GADGET_TINY_DISTANCE, tab_color);
11254
11255     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11256     MapTextbuttonGadget(i);
11257   }
11258
11259   // draw little border line below tabulator buttons
11260   if (tab_color != BLACK_PIXEL)                 // black => transparent
11261     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11262                   ED_GADGET_TINY_DISTANCE,
11263                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11264 }
11265
11266 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
11267 {
11268   DrawText(SX + xpos, SY + ypos, text, font_nr);
11269 }
11270
11271 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
11272                                            int xpos, int ypos)
11273 {
11274   int font_width = getFontWidth(font_nr);
11275   int font_height = getFontHeight(font_nr);
11276   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
11277   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
11278
11279   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
11280                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
11281                       TRUE, FALSE, FALSE);
11282 }
11283
11284 static void DrawLevelConfigLevel(void)
11285 {
11286   int i;
11287
11288   // draw counter gadgets
11289   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
11290     MapCounterButtons(i);
11291
11292   // draw checkbutton gadgets
11293   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
11294     MapCheckbuttonGadget(i);
11295
11296   // draw selectbox gadgets
11297   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
11298     MapSelectboxGadget(i);
11299
11300   // draw text input gadgets
11301   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
11302     MapTextInputGadget(i);
11303 }
11304
11305 static char *getLevelSubdirFromSaveMode(int save_mode)
11306 {
11307   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
11308     return getNewUserLevelSubdir();
11309
11310   return leveldir_current->subdir;
11311 }
11312
11313 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
11314 {
11315   char *directory_text = "Level set directory:";
11316   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
11317   int font1_nr = FONT_TEXT_1;
11318   int font2_nr = FONT_TEXT_2;
11319   int font1_height = getFontHeight(font1_nr);
11320   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
11321   int x = ED_LEVEL_SETTINGS_X(0);
11322   int y = ED_LEVEL_SETTINGS_Y(6);
11323
11324   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
11325   PrintInfoText(directory_name, font2_nr, x, y);
11326 }
11327
11328 static void DrawLevelConfigLevelSet(void)
11329 {
11330   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
11331   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
11332   int i;
11333
11334   // draw counter gadgets
11335   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
11336     MapCounterButtons(i);
11337
11338   // draw checkbutton gadgets
11339   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
11340   {
11341     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
11342         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
11343         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
11344       continue;
11345
11346     MapCheckbuttonGadget(i);
11347   }
11348
11349   // draw selectbox gadgets
11350   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
11351     MapSelectboxGadget(i);
11352
11353   // draw text input gadgets
11354   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
11355     MapTextInputGadget(i);
11356
11357   // draw textbutton gadgets
11358   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
11359
11360   // draw info text
11361   DrawLevelConfigLevelSet_DirectoryInfo();
11362 }
11363
11364 static void DrawLevelConfigEditor(void)
11365 {
11366   int i;
11367
11368   // draw counter gadgets
11369   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
11370     MapCounterButtons(i);
11371
11372   // draw checkbutton gadgets
11373   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
11374     MapCheckbuttonGadget(i);
11375
11376   // draw radiobutton gadgets
11377   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
11378     MapRadiobuttonGadget(i);
11379
11380   // draw drawing area
11381   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
11382
11383   // draw textbutton gadgets
11384   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
11385 }
11386
11387 static void DrawEngineConfigConfig(void)
11388 {
11389   int i;
11390
11391   // draw counter gadgets
11392   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
11393   {
11394     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
11395     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
11396   }
11397   else
11398   {
11399     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
11400     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
11401   }
11402
11403   // draw checkbutton gadgets
11404   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
11405     MapCheckbuttonGadget(i);
11406
11407   // draw selectbox gadgets
11408   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
11409     MapSelectboxGadget(i);
11410 }
11411
11412 static boolean CheckLevelColorsRGB_BD(void)
11413 {
11414   boolean rgb_colors = FALSE;
11415   int i;
11416
11417   // check if any level color is not a C64-style color index
11418   for (i = 0; i < MAX_BD_COLORS; i++)
11419     if (!gd_color_is_c64(*bd_color[i]))
11420       rgb_colors = TRUE;
11421
11422   return rgb_colors;
11423 }
11424
11425 void SetDefaultLevelColorType_BD(void)
11426 {
11427   level.bd_color_type = (CheckLevelColorsRGB_BD() ? GD_COLOR_TYPE_RGB : GD_COLOR_TYPE_C64);
11428 }
11429
11430 void SetDefaultLevelColors_BD(void)
11431 {
11432   int i;
11433
11434   // only set default colors if C64 style palette
11435   if (level.bd_color_type == GD_COLOR_TYPE_C64)
11436     for (i = 0; i < MAX_BD_COLORS; i++)
11437       bd_color_default[i] = *bd_color[i];
11438 }
11439
11440 static void DrawEngineConfigColors(void)
11441 {
11442   int i;
11443
11444   if (bd_color_type_changed)
11445   {
11446     if (level.bd_color_type == GD_COLOR_TYPE_C64 && CheckLevelColorsRGB_BD())
11447     {
11448       // color palette switched to C64 colors, but using RGB colors => reset to defaults
11449       for (i = 0; i < MAX_BD_COLORS; i++)
11450         *bd_color[i] = bd_color_default[i];
11451     }
11452
11453     bd_color_type_changed = FALSE;
11454   }
11455
11456   // copy level colors to either C64-style color index or RGB color value
11457   for (i = 0; i < MAX_BD_COLORS; i++)
11458   {
11459     if (level.bd_color_type == GD_COLOR_TYPE_RGB)
11460       snprintf(bd_color_rgb[i], sizeof(bd_color_rgb[i]), "#%06x", gd_color_get_rgb(*bd_color[i]));
11461     else
11462       bd_color_c64[i] = *bd_color[i] & 0x0f;
11463   }
11464
11465   MapSelectboxGadget(ED_SELECTBOX_ID_BD_COLOR_TYPE);
11466
11467   if (level.bd_color_type == GD_COLOR_TYPE_RGB)
11468   {
11469     // draw text input gadgets
11470     for (i = ED_TEXTINPUT_ID_COLORS_FIRST; i <= ED_TEXTINPUT_ID_COLORS_LAST; i++)
11471       MapTextInputGadget(i);
11472   }
11473   else
11474   {
11475     // draw selectbox gadgets
11476     for (i = ED_SELECTBOX_ID_COLORS_FIRST; i <= ED_SELECTBOX_ID_COLORS_LAST; i++)
11477       MapSelectboxGadget(i);
11478   }
11479 }
11480
11481 static void DrawLevelConfigEngine(void)
11482 {
11483   if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_CONFIG)
11484     DrawEngineConfigConfig();
11485   else if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_COLORS)
11486     DrawEngineConfigColors();
11487 }
11488
11489 static void DrawLevelConfigWindow(void)
11490 {
11491   char *text = "Global Settings";
11492   int font_nr = FONT_TITLE_1;
11493   struct MenuPosInfo *pos = &editor.settings.headline;
11494   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
11495   int sy = SY + pos->y;
11496
11497   stick_element_properties_window = FALSE;
11498
11499   SetAutomaticNumberOfGemsNeeded();
11500
11501   UnmapLevelEditorFieldGadgets();
11502
11503   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11504   ClearField();
11505
11506   DrawText(sx, sy, text, font_nr);
11507
11508   DrawLevelConfigTabulatorGadgets();
11509
11510   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
11511     DrawLevelConfigLevel();
11512   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
11513     DrawLevelConfigLevelSet();
11514   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
11515     DrawLevelConfigEditor();
11516   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11517     DrawLevelConfigEngine();
11518 }
11519
11520 static void DrawCustomContentArea(void)
11521 {
11522   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11523   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11524   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11525   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11526   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11527   int xoffset = ED_GADGET_SPACE_DISTANCE;
11528
11529   // add distance for potential left text (without drawing area border)
11530   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11531
11532   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11533
11534   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11535 }
11536
11537 static void DrawCustomChangeContentArea(void)
11538 {
11539   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11540   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11541   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11542   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11543   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11544   int xoffset = ED_GADGET_SPACE_DISTANCE;
11545
11546   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11547
11548   MapDrawingArea(id);
11549 }
11550
11551 static void RemoveElementContentArea(int id, int font_height)
11552 {
11553   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11554
11555   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11556                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11557                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11558                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11559                  ED_GADGET_TEXT_DISTANCE + font_height);
11560 }
11561
11562 static void DrawYamYamContentAreas(void)
11563 {
11564   int font_nr = FONT_TEXT_1;
11565   int font_height = getFontHeight(font_nr);
11566   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11567   int yoffset = (tilesize - font_height) / 2;
11568   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11569   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11570   int i;
11571
11572   // display counter to choose number of element content areas
11573   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11574
11575   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11576   {
11577     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11578
11579     if (i < level.num_yamyam_contents)
11580     {
11581       MapDrawingArea(id);
11582     }
11583     else
11584     {
11585       UnmapDrawingArea(id);
11586
11587       // delete content areas in case of reducing number of them
11588       RemoveElementContentArea(id, font_height);
11589     }
11590   }
11591
11592   DrawText(x, y + 0 * tilesize, "content", font_nr);
11593   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11594   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11595 }
11596
11597 static void DrawMagicBallContentAreas(void)
11598 {
11599   int font_nr = FONT_TEXT_1;
11600   int font_height = getFontHeight(font_nr);
11601   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11602   int yoffset = (tilesize - font_height) / 2;
11603   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11604   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11605   int i;
11606
11607   // display counter to choose number of element content areas
11608   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11609
11610   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11611   {
11612     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11613
11614     if (i < level.num_ball_contents)
11615     {
11616       MapDrawingArea(id);
11617     }
11618     else
11619     {
11620       UnmapDrawingArea(id);
11621
11622       // delete content areas in case of reducing number of them
11623       RemoveElementContentArea(id, font_height);
11624     }
11625   }
11626
11627   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11628   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11629   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11630 }
11631
11632 static void DrawAndroidElementArea(void)
11633 {
11634   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11635   int num_elements = level.num_android_clone_elements;
11636   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11637   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11638   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11639   int xsize = MAX_ANDROID_ELEMENTS;
11640   int ysize = 1;
11641
11642   // display counter to choose number of element areas
11643   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11644
11645   if (drawingarea_info[id].text_left != NULL)
11646     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11647
11648   UnmapDrawingArea(id);
11649
11650   ModifyEditorDrawingArea(id, num_elements, 1);
11651
11652   // delete content areas in case of reducing number of them
11653   DrawBackground(sx, sy,
11654                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11655                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11656
11657   MapDrawingArea(id);
11658 }
11659
11660 static void DrawGroupElementArea(void)
11661 {
11662   int id = ED_DRAWING_ID_GROUP_CONTENT;
11663   int num_elements = group_element_info.num_elements;
11664   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11665   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11666   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11667   int xsize = MAX_ELEMENTS_IN_GROUP;
11668   int ysize = 1;
11669
11670   if (drawingarea_info[id].text_left != NULL)
11671     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11672
11673   UnmapDrawingArea(id);
11674
11675   ModifyEditorDrawingArea(id, num_elements, 1);
11676
11677   // delete content areas in case of reducing number of them
11678   DrawBackground(sx, sy,
11679                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11680                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11681
11682   MapDrawingArea(id);
11683 }
11684
11685 static void DrawPlayerInitialInventoryArea(int element)
11686 {
11687   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11688   int player_nr = GET_PLAYER_NR(element);
11689   int num_elements = level.initial_inventory_size[player_nr];
11690   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11691   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11692   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11693   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11694   int ysize = 1;
11695
11696   // determine horizontal position to the right of specified gadget
11697   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11698     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11699           ED_DRAWINGAREA_TEXT_DISTANCE);
11700
11701   // determine horizontal offset for leading text
11702   if (drawingarea_info[id].text_left != NULL)
11703     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11704
11705   UnmapDrawingArea(id);
11706
11707   ModifyEditorDrawingArea(id, num_elements, 1);
11708
11709   // delete content areas in case of reducing number of them
11710   DrawBackground(sx, sy,
11711                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11712                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11713
11714   MapDrawingArea(id);
11715 }
11716
11717 static void DrawMMBallContentArea(void)
11718 {
11719   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11720   int num_elements = level.num_mm_ball_contents;
11721   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11722   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11723   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11724   int xsize = MAX_MM_BALL_CONTENTS;
11725   int ysize = 1;
11726
11727   if (drawingarea_info[id].text_left != NULL)
11728     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11729
11730   UnmapDrawingArea(id);
11731
11732   ModifyEditorDrawingArea(id, num_elements, 1);
11733
11734   // delete content areas in case of reducing number of them
11735   DrawBackground(sx, sy,
11736                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11737                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11738
11739   MapDrawingArea(id);
11740 }
11741
11742 static void DrawEnvelopeTextArea(int envelope_nr)
11743 {
11744   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11745   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11746
11747   UnmapGadget(gi);
11748
11749   DrawBackground(gi->x, gi->y,
11750                  gi->textarea.crop_width, gi->textarea.crop_height);
11751
11752   if (envelope_nr != -1)
11753     textarea_info[id].value = level.envelope[envelope_nr].text;
11754
11755   ModifyGadget(gi, GDI_AREA_SIZE,
11756                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11757                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11758                GDI_END);
11759
11760   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11761 }
11762
11763 static void DrawPropertiesInfo(void)
11764 {
11765   static struct
11766   {
11767     int value;
11768     char *text;
11769   }
11770   properties[] =
11771   {
11772     // configurable properties
11773
11774     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11775     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11776     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11777     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11778     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11779     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11780     { EP_PROTECTED,             "- player is protected by it"           },
11781
11782     { EP_DIGGABLE,              "- can be digged away"                  },
11783     { EP_COLLECTIBLE,           "- can be collected"                    },
11784     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11785     { EP_THROWABLE,             "- can be thrown after collecting"      },
11786     { EP_PUSHABLE,              "- can be pushed"                       },
11787
11788     { EP_CAN_FALL,              "- can fall"                            },
11789     { EP_CAN_MOVE,              "- can move"                            },
11790
11791     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11792 #if 0
11793     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11794 #endif
11795     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11796
11797     { EP_SLIPPERY,              "- slippery for falling elements"       },
11798     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11799
11800     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11801     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11802     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11803     { EP_DONT_TOUCH,            "- deadly when touching"                },
11804
11805     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11806
11807     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11808     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11809     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11810
11811     { EP_CAN_CHANGE,            "- can change to other element"         },
11812
11813     // pre-defined properties
11814     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11815     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11816     { EP_SWITCHABLE,            "- can be switched"                     },
11817 #if 0
11818     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11819 #endif
11820
11821     { -1,                       NULL                                    }
11822   };
11823   char *filename = getElementDescriptionFilename(properties_element);
11824   char *num_elements_text = "In this level: ";
11825   char *num_similar_text = "Similar tiles: ";
11826   char *properties_text = "Standard properties: ";
11827   char *description_text = "Description:";
11828   char *no_description_text = "No description available.";
11829   char *none_text = "None";
11830   float percentage;
11831   int num_elements_in_level = 0;
11832   int num_similar_in_level = 0;
11833   int num_hires_tiles_in_level = 0;
11834   int num_standard_properties = 0;
11835   int font1_nr = FONT_TEXT_1;
11836   int font2_nr = FONT_TEXT_2;
11837   int font1_width = getFontWidth(font1_nr);
11838   int font1_height = getFontHeight(font1_nr);
11839   int font2_height = getFontHeight(font2_nr);
11840   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11841   int font2_yoffset = (font1_height - font2_height) / 2;
11842   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11843   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11844   int properties_text_len = strlen(properties_text) * font1_width;
11845   int xpos = ED_ELEMENT_SETTINGS_X(0);
11846   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11847   int i, x, y;
11848
11849   if (setup.editor.show_element_token)
11850   {
11851     int font3_nr = FONT_TEXT_3;
11852     int font3_height = getFontHeight(font3_nr);
11853
11854     DrawTextF(xpos, ypos, font3_nr,
11855               "[%s]", element_info[properties_element].token_name);
11856
11857     ypos += 2 * font3_height;
11858   }
11859
11860   // ----- print number of elements / percentage of this element in level
11861
11862   for (y = 0; y < lev_fieldy; y++)
11863   {
11864     for (x = 0; x < lev_fieldx; x++)
11865     {
11866       if (Tile[x][y] == properties_element)
11867       {
11868         num_elements_in_level++;
11869       }
11870       else if (IS_MM_WALL(Tile[x][y]) &&
11871                map_mm_wall_element(Tile[x][y]) == properties_element)
11872       {
11873         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11874       }
11875     }
11876   }
11877
11878   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11879
11880   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11881
11882   if (num_hires_tiles_in_level > 0)
11883     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11884               "%d wall tiles", num_hires_tiles_in_level);
11885   else if (num_elements_in_level > 0)
11886     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11887               "%d (%.2f %%)", num_elements_in_level, percentage);
11888   else
11889     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11890               none_text);
11891
11892   // ----- print number of similar elements / percentage of them in level
11893
11894   for (y = 0; y < lev_fieldy; y++)
11895   {
11896     for (x = 0; x < lev_fieldx; x++)
11897     {
11898       if (strEqual(element_info[Tile[x][y]].class_name,
11899                    element_info[properties_element].class_name))
11900       {
11901         num_similar_in_level++;
11902       }
11903     }
11904   }
11905
11906   if (num_similar_in_level != num_elements_in_level)
11907   {
11908     ypos += 1 * MAX(font1_height, font2_height);
11909
11910     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11911
11912     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11913
11914     if (num_similar_in_level > 0)
11915       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11916                 "%d (%.2f %%)", num_similar_in_level, percentage);
11917     else
11918       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11919                 none_text);
11920   }
11921
11922   ypos += 2 * MAX(font1_height, font2_height);
11923
11924   // ----- print standard properties of this element
11925
11926   DrawTextS(xpos, ypos, font1_nr, properties_text);
11927
11928   ypos += line1_height;
11929
11930   for (i = 0; properties[i].value != -1; i++)
11931   {
11932     if (!HAS_PROPERTY(properties_element, properties[i].value))
11933       continue;
11934
11935     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11936
11937     ypos += font2_height;
11938
11939     num_standard_properties++;
11940   }
11941
11942   if (num_standard_properties == 0)
11943   {
11944     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11945               font2_nr, none_text);
11946
11947     ypos -= (line1_height - font1_height);
11948   }
11949
11950   ypos += MAX(font1_height, font2_height);
11951
11952   // ----- print special description of this element
11953
11954   PrintInfoText(description_text, font1_nr, xpos, ypos);
11955
11956   ypos += line1_height;
11957
11958   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11959     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11960 }
11961
11962 #define TEXT_COLLECTING                 "Score for collecting"
11963 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11964 #define TEXT_SMASHING                   "Score for smashing"
11965 #define TEXT_SLURPING                   "Score for slurping robot"
11966 #define TEXT_CRACKING                   "Score for cracking"
11967 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11968 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11969 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11970 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11971 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11972 #define TEXT_DURATION                   "Duration when activated"
11973 #define TEXT_DELAY_ON                   "Delay before activating"
11974 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11975 #define TEXT_DELAY_CHANGING             "Delay before changing"
11976 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11977 #define TEXT_DELAY_MOVING               "Delay before moving"
11978 #define TEXT_BALL_DELAY                 "Element generation delay"
11979 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11980 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11981 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11982 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11983 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11984 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11985 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11986 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11987 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11988 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11989 #define TEXT_RANDOM_SEED                "slime random number seed"
11990 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11991 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11992 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11993 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11994 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11995 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11996 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11997 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11998 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
11999
12000 static struct
12001 {
12002   int element;
12003   int *value;
12004   char *text;
12005   int min_value;
12006   int max_value;
12007 } elements_with_counter[] =
12008 {
12009   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12010   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12011   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
12012   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12013   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12014   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12015   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12016   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
12017   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
12018   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
12019   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
12020   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
12021   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
12022   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
12023   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
12024   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
12025   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
12026   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
12027   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
12028   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
12029   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
12030   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12031   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12032   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12033   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12034   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12035   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12036   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12037   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12038   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12039   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12040   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12041   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12042   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12043   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12044   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12045   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12046   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12047   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
12048   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
12049   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
12050   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
12051   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
12052   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
12053   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
12054   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12055   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12056   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12057   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12058   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12059   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
12060   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
12061   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
12062   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12063   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12064   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12065   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12066   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12067   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12068   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12069   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12070   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12071   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12072   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12073   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12074   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
12075   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12076   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12077   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
12078   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
12079   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
12080   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
12081   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
12082   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
12083   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
12084   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12085   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12086   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12087   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12088   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12089   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
12090   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
12091   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
12092                                 0, 100                                                          },
12093   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
12094                                 0, 100                                                          },
12095   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
12096   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
12097   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
12098                                 0, 100                                                          },
12099   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
12100                                 0, 100                                                          },
12101   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
12102   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
12103   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
12104   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
12105   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
12106   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
12107   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
12108   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
12109   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
12110   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
12111   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
12112                                 -100, 100                                                       },
12113   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
12114                                 0, 100                                                          },
12115   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
12116                                 0, 100                                                          },
12117   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
12118                                 0, 255                                                          },
12119   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
12120                                 -1, 65535                                                       },
12121   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
12122                                 0, 100                                                          },
12123   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12124                                 0, 3                                                            },
12125   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12126                                 0, 3                                                            },
12127   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12128                                 0, 3                                                            },
12129   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12130                                 0, 3                                                            },
12131   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12132                                 0, 3                                                            },
12133   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
12134                                 0, 100                                                          },
12135   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
12136                                 1, 100                                                          },
12137   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
12138                                 1, 200                                                          },
12139   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
12140                                 0, 50                                                           },
12141   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
12142                                 0, 50                                                           },
12143   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
12144                                 0, 10                                                           },
12145   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
12146   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
12147                                 1, 60                                                           },
12148   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
12149   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
12150   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
12151   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
12152   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
12153   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
12154   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
12155   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
12156   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
12157   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
12158   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
12159   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
12160   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
12161   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
12162   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
12163   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
12164   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
12165   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
12166   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
12167   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
12168   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
12169   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
12170   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
12171   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
12172   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
12173
12174   { -1,                         NULL,                                   NULL                    }
12175 };
12176
12177 static boolean checkPropertiesConfig(int element)
12178 {
12179   int i;
12180
12181   // special case: empty space customization only available in R'n'D game engine
12182   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
12183     return FALSE;
12184
12185   // special case: BD style rock customization only available in BD game engine
12186   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12187     return FALSE;
12188
12189   if (IS_GEM(element) ||
12190       IS_CUSTOM_ELEMENT(element) ||
12191       IS_GROUP_ELEMENT(element) ||
12192       IS_EMPTY_ELEMENT(element) ||
12193       IS_BALLOON_ELEMENT(element) ||
12194       IS_ENVELOPE(element) ||
12195       IS_MM_ENVELOPE(element) ||
12196       IS_MM_MCDUFFIN(element) ||
12197       IS_DF_LASER(element) ||
12198       IS_PLAYER_ELEMENT(element) ||
12199       IS_BD_PLAYER_ELEMENT(element) ||
12200       IS_BD_FIREFLY(properties_element) ||
12201       IS_BD_FIREFLY_2(properties_element) ||
12202       IS_BD_BUTTERFLY(properties_element) ||
12203       IS_BD_BUTTERFLY_2(properties_element) ||
12204       IS_BD_STONEFLY(properties_element) ||
12205       IS_BD_DRAGONFLY(properties_element) ||
12206       IS_BD_EXPANDABLE_WALL(properties_element) ||
12207       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
12208       IS_BD_CONVEYOR_BELT(properties_element) ||
12209       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
12210       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
12211       HAS_EDITOR_CONTENT(element) ||
12212       CAN_GROW(element) ||
12213       COULD_MOVE_INTO_ACID(element) ||
12214       MAYBE_DONT_COLLIDE_WITH(element) ||
12215       element == EL_BD_SAND ||
12216       element == EL_BD_ROCK ||
12217       element == EL_BD_MEGA_ROCK ||
12218       element == EL_BD_BOMB ||
12219       element == EL_BD_ROCKET_LAUNCHER ||
12220       element == EL_BD_NITRO_PACK ||
12221       element == EL_BD_SWEET ||
12222       element == EL_BD_VOODOO_DOLL ||
12223       element == EL_BD_WATER ||
12224       element == EL_BD_GRAVITY_SWITCH)
12225   {
12226     return TRUE;
12227   }
12228   else
12229   {
12230     for (i = 0; elements_with_counter[i].element != -1; i++)
12231       if (elements_with_counter[i].element == element)
12232         return TRUE;
12233   }
12234
12235   return FALSE;
12236 }
12237
12238 static void SetAutomaticNumberOfGemsNeeded(void)
12239 {
12240   int x, y;
12241
12242   if (!level.auto_count_gems)
12243     return;
12244
12245   level.gems_needed = 0;
12246
12247   for (x = 0; x < lev_fieldx; x++)
12248   {
12249     for (y = 0; y < lev_fieldy; y++)
12250     {
12251       int element = Tile[x][y];
12252
12253       switch (element)
12254       {
12255         case EL_EMERALD:
12256         case EL_EMERALD_YELLOW:
12257         case EL_EMERALD_RED:
12258         case EL_EMERALD_PURPLE:
12259         case EL_BD_DIAMOND:
12260         case EL_WALL_EMERALD:
12261         case EL_WALL_EMERALD_YELLOW:
12262         case EL_WALL_EMERALD_RED:
12263         case EL_WALL_EMERALD_PURPLE:
12264         case EL_WALL_BD_DIAMOND:
12265         case EL_NUT:
12266         case EL_SP_INFOTRON:
12267         case EL_MM_KETTLE:
12268         case EL_DF_CELL:
12269           level.gems_needed++;
12270           break;
12271
12272         case EL_DIAMOND:
12273         case EL_WALL_DIAMOND:
12274           level.gems_needed += 3;
12275           break;
12276
12277         case EL_PEARL:
12278         case EL_WALL_PEARL:
12279           level.gems_needed += 5;
12280           break;
12281
12282         case EL_CRYSTAL:
12283         case EL_WALL_CRYSTAL:
12284           level.gems_needed += 8;
12285           break;
12286
12287         default:
12288           break;
12289       }
12290     }
12291   }
12292
12293   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
12294 }
12295
12296 static void DrawPropertiesConfig(void)
12297 {
12298   boolean draw_footer_line = FALSE;
12299   int max_num_element_counters = 4;
12300   int num_element_counters = 0;
12301   int i;
12302
12303   if (!checkPropertiesConfig(properties_element))
12304   {
12305     int xpos = ED_ELEMENT_SETTINGS_X(0);
12306     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
12307
12308     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
12309
12310     return;
12311   }
12312
12313   // check if there are elements where a value can be chosen for
12314   for (i = 0; elements_with_counter[i].element != -1; i++)
12315   {
12316     if (elements_with_counter[i].element != properties_element)
12317       continue;
12318
12319     // special case: score for extra diamonds only available in BD game engine
12320     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
12321         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
12322         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12323       continue;
12324
12325     // special case: some amoeba counters only available in BD game engine
12326     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12327         elements_with_counter[i].value != &level.amoeba_speed &&
12328         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12329       continue;
12330
12331     // special case: score for smashing only available in R'n'D game engine
12332     if ((IS_BD_FIREFLY(elements_with_counter[i].element) ||
12333          IS_BD_BUTTERFLY(elements_with_counter[i].element)) &&
12334         (elements_with_counter[i].value == &level.score[SC_BUG] ||
12335          elements_with_counter[i].value == &level.score[SC_SPACESHIP]) &&
12336         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12337       continue;
12338
12339     // special case: some amoeba counters only available in R'n'D game engine
12340     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12341         elements_with_counter[i].value == &level.amoeba_speed &&
12342         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12343       continue;
12344
12345     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
12346
12347     counterbutton_info[counter_id].y =
12348       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
12349                                (CAN_GROW(properties_element)                ? 1 : 0) +
12350                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
12351                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
12352                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
12353                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
12354                                (properties_element == EL_BD_ACID            ? 1 : 0) +
12355                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
12356                                (properties_element == EL_BD_CREATURE_SWITCH ? 1 : 0) +
12357                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
12358                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
12359                                num_element_counters);
12360
12361     // special case: set magic wall counter for BD game engine separately
12362     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12363       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
12364
12365     // special case: set amoeba counters for BD game engine separately
12366     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
12367         (properties_element == EL_BD_AMOEBA_2))
12368       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
12369
12370     // special case: set position for delay counter for reappearing hammered walls
12371     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
12372       counterbutton_info[counter_id].y += 1;
12373
12374     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
12375     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
12376     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
12377     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
12378
12379     // default: counter values between 0 and 999
12380     if (counterbutton_info[counter_id].max_value == 0)
12381       counterbutton_info[counter_id].max_value = 999;
12382
12383     MapCounterButtons(counter_id);
12384
12385     num_element_counters++;
12386     if (num_element_counters >= max_num_element_counters)
12387       break;
12388   }
12389
12390   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12391   {
12392     // draw stickybutton gadget
12393     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12394
12395     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE);
12396     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
12397     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
12398     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN);
12399
12400     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
12401     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
12402     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
12403     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
12404     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
12405     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
12406     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
12407   }
12408
12409   if (HAS_EDITOR_CONTENT(properties_element))
12410   {
12411     // draw stickybutton gadget
12412     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12413
12414     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12415     {
12416       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12417       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12418
12419       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
12420       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
12421     }
12422     else if (properties_element == EL_BD_AMOEBA_2)
12423     {
12424       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12425       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12426       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
12427
12428       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
12429       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
12430       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
12431       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
12432     }
12433     else if (IS_AMOEBOID(properties_element))
12434     {
12435       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
12436     }
12437     else if (properties_element == EL_BD_ACID)
12438     {
12439       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
12440       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
12441     }
12442     else if (IS_BD_BITER(properties_element))
12443     {
12444       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
12445     }
12446     else if (properties_element == EL_BD_BLADDER)
12447     {
12448       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
12449     }
12450     else if (properties_element == EL_YAMYAM ||
12451              properties_element == EL_YAMYAM_LEFT ||
12452              properties_element == EL_YAMYAM_RIGHT ||
12453              properties_element == EL_YAMYAM_UP ||
12454              properties_element == EL_YAMYAM_DOWN)
12455     {
12456       DrawYamYamContentAreas();
12457     }
12458     else if (properties_element == EL_EMC_MAGIC_BALL)
12459     {
12460       DrawMagicBallContentAreas();
12461
12462       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
12463       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
12464     }
12465     else if (properties_element == EL_EMC_ANDROID)
12466     {
12467       DrawAndroidElementArea();
12468     }
12469     else if (properties_element == EL_MM_GRAY_BALL)
12470     {
12471       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
12472       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
12473       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
12474       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
12475
12476       DrawMMBallContentArea();
12477     }
12478   }
12479
12480   if (IS_PLAYER_ELEMENT(properties_element))
12481   {
12482     int player_nr = GET_PLAYER_NR(properties_element);
12483
12484     // these properties can be set for every player individually
12485
12486     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12487     {
12488       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
12489         &level.start_element[player_nr];
12490       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
12491         &level.artwork_element[player_nr];
12492       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
12493         &level.explosion_element[player_nr];
12494
12495       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
12496         &level.use_start_element[player_nr];
12497       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
12498         &level.use_artwork_element[player_nr];
12499       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
12500         &level.use_explosion_element[player_nr];
12501       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
12502         &level.initial_player_gravity[player_nr];
12503
12504       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
12505         &level.initial_player_stepsize[player_nr];
12506
12507       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
12508       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
12509                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
12510                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
12511       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
12512       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
12513       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
12514       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
12515       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
12516       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
12517       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
12518       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
12519       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
12520       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
12521       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
12522
12523       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
12524       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
12525       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
12526
12527       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
12528     }
12529     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12530     {
12531       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
12532         &level.initial_inventory_content[player_nr][0];
12533
12534       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12535         &level.initial_inventory_size[player_nr];
12536
12537       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12538         &level.use_initial_inventory[player_nr];
12539
12540       // draw checkbutton gadgets
12541       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12542       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12543       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12544
12545       // draw counter gadgets
12546       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12547
12548       // draw drawing area gadgets
12549       DrawPlayerInitialInventoryArea(properties_element);
12550     }
12551   }
12552
12553   if (IS_BD_PLAYER_ELEMENT(properties_element))
12554   {
12555     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12556       ED_ELEMENT_SETTINGS_YPOS(2);
12557     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12558       ED_ELEMENT_SETTINGS_YPOS(3);
12559     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12560       ED_ELEMENT_SETTINGS_YPOS(4);
12561
12562     // draw checkbutton gadgets
12563     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12564     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12565     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12566
12567     // draw counter gadgets
12568     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12569     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12570
12571     // draw drawing area gadgets
12572     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12573   }
12574
12575   if (properties_element == EL_BD_SAND)
12576   {
12577     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12578   }
12579
12580   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12581   {
12582     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12583       ED_ELEMENT_SETTINGS_YPOS(0);
12584     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12585       ED_ELEMENT_SETTINGS_YPOS(1);
12586
12587     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12588     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12589
12590     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12591     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12592   }
12593
12594   if (properties_element == EL_BD_DIAMOND && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12595   {
12596     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12597     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12598   }
12599
12600   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12601   {
12602     if (IS_BD_FIREFLY(properties_element))
12603     {
12604       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO);
12605       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12606     }
12607     else if (IS_BD_FIREFLY_2(properties_element))
12608     {
12609       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12610       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12611     }
12612     else if (IS_BD_BUTTERFLY(properties_element))
12613     {
12614       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO);
12615       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12616     }
12617     else if (IS_BD_BUTTERFLY_2(properties_element))
12618     {
12619       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12620       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12621     }
12622     else if (IS_BD_STONEFLY(properties_element))
12623     {
12624       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12625     }
12626     else if (IS_BD_DRAGONFLY(properties_element))
12627     {
12628       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12629       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12630     }
12631     else if (properties_element == EL_BD_BOMB)
12632     {
12633       MapDrawingArea(ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO);
12634     }
12635     else if (properties_element == EL_BD_NITRO_PACK)
12636     {
12637       MapDrawingArea(ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO);
12638     }
12639   }
12640
12641   if (properties_element == EL_BD_MEGA_ROCK ||
12642       properties_element == EL_BD_SWEET)
12643   {
12644     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12645       ED_ELEMENT_SETTINGS_YPOS(0);
12646     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12647       ED_ELEMENT_SETTINGS_YPOS(1);
12648
12649     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12650     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12651   }
12652
12653   if (properties_element == EL_BD_VOODOO_DOLL)
12654   {
12655     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12656     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12657     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12658     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12659   }
12660
12661   if (properties_element == EL_BD_SLIME)
12662   {
12663     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12664
12665     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12666     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12667     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12668     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12669     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12670     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12671   }
12672
12673   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
12674       IS_BD_EXPANDABLE_STEELWALL(properties_element))
12675   {
12676     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12677
12678     if (IS_BD_EXPANDABLE_WALL(properties_element))
12679       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12680   }
12681
12682   if (properties_element == EL_BD_REPLICATOR)
12683   {
12684     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12685   }
12686
12687   if (IS_BD_CONVEYOR_BELT(properties_element) ||
12688       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
12689   {
12690     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12691     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12692   }
12693
12694   if (properties_element == EL_BD_WATER)
12695   {
12696     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12697   }
12698
12699   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12700   {
12701     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12702   }
12703
12704   if (properties_element == EL_BD_ROCKET_LAUNCHER)
12705   {
12706     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS);
12707   }
12708
12709   if (properties_element == EL_BD_CREATURE_SWITCH)
12710   {
12711     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12712     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12713   }
12714
12715   if (properties_element == EL_BD_GRAVITY_SWITCH)
12716   {
12717     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12718
12719     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12720     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12721   }
12722
12723   if (properties_element == EL_BD_NUT)
12724   {
12725     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12726   }
12727
12728   // special case: slippery walls option for gems only available in R'n'D game engine
12729   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12730     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12731
12732   if (properties_element == EL_EM_DYNAMITE)
12733     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12734
12735   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12736       COULD_MOVE_INTO_ACID(properties_element) &&
12737       !IS_PLAYER_ELEMENT(properties_element) &&
12738       (!IS_CUSTOM_ELEMENT(properties_element) ||
12739        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12740   {
12741     // set position for checkbutton for "can move into acid"
12742     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12743       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12744     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12745       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12746                                IS_BALLOON_ELEMENT(properties_element) ||
12747                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12748
12749     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12750   }
12751
12752   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12753     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12754
12755   if (properties_element == EL_SPRING ||
12756       properties_element == EL_SPRING_LEFT ||
12757       properties_element == EL_SPRING_RIGHT)
12758     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12759
12760   if (properties_element == EL_TIME_ORB_FULL)
12761     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12762
12763   if (properties_element == EL_GAME_OF_LIFE ||
12764       properties_element == EL_BIOMAZE)
12765     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12766
12767   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12768   {
12769     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12770       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12771
12772     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12773   }
12774
12775   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12776     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12777
12778   if (properties_element == EL_SOKOBAN_OBJECT)
12779     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12780
12781   if (properties_element == EL_SOKOBAN_OBJECT ||
12782       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12783       properties_element == EL_SOKOBAN_FIELD_FULL)
12784   {
12785     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12786       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12787                                0 : 1);
12788
12789     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12790   }
12791
12792   if (IS_BALLOON_ELEMENT(properties_element))
12793     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12794
12795   if (IS_ENVELOPE(properties_element) ||
12796       IS_MM_ENVELOPE(properties_element))
12797   {
12798     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12799     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12800     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12801     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12802     int envelope_nr = ENVELOPE_NR(properties_element);
12803
12804     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12805     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12806
12807     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12808     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12809
12810     // display counter to choose size of envelope text area
12811     MapCounterButtons(counter1_id);
12812     MapCounterButtons(counter2_id);
12813
12814     // display checkbuttons to choose auto-wrap and alignment properties
12815     MapCheckbuttonGadget(button1_id);
12816     MapCheckbuttonGadget(button2_id);
12817
12818     DrawEnvelopeTextArea(envelope_nr);
12819   }
12820
12821   if (IS_MM_MCDUFFIN(properties_element))
12822   {
12823     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12825     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12826   }
12827
12828   if (IS_DF_LASER(properties_element))
12829   {
12830     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12831     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12832     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12833   }
12834
12835   if (IS_CUSTOM_ELEMENT(properties_element))
12836   {
12837     // draw stickybutton gadget
12838     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12839
12840     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12841     {
12842       // draw checkbutton gadgets
12843       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12844            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12845         MapCheckbuttonGadget(i);
12846
12847       // draw counter gadgets
12848       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12849            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12850         MapCounterButtons(i);
12851
12852       // draw selectbox gadgets
12853       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12854            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12855         MapSelectboxGadget(i);
12856
12857       // draw textbutton gadgets
12858       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12859
12860       // draw text input gadgets
12861       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12862
12863       // draw drawing area gadgets
12864       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12865
12866       draw_footer_line = TRUE;
12867     }
12868     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12869     {
12870       // draw checkbutton gadgets
12871       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12872            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12873         MapCheckbuttonGadget(i);
12874
12875       // draw counter gadgets
12876       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12877            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12878         MapCounterButtons(i);
12879
12880       // draw selectbox gadgets
12881       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12882            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12883         MapSelectboxGadget(i);
12884
12885       // draw drawing area gadgets
12886       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12887       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12888       DrawCustomContentArea();
12889     }
12890   }
12891   else if (IS_GROUP_ELEMENT(properties_element))
12892   {
12893     // draw stickybutton gadget
12894     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12895
12896     // draw checkbutton gadgets
12897     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12898     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12899
12900     // draw counter gadgets
12901     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12902
12903     // draw selectbox gadgets
12904     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12905
12906     // draw textbutton gadgets
12907     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12908
12909     // draw drawing area gadgets
12910     DrawGroupElementArea();
12911
12912     // draw text input gadgets
12913     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12914
12915     // draw drawing area gadgets
12916     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12917
12918     draw_footer_line = TRUE;
12919   }
12920   else if (IS_EMPTY_ELEMENT(properties_element))
12921   {
12922     // draw stickybutton gadget
12923     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12924
12925     // draw checkbutton gadgets
12926     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12927     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12928
12929     // draw textbutton gadgets
12930     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12931
12932     // draw drawing area gadgets
12933     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12934
12935     draw_footer_line = TRUE;
12936   }
12937
12938   // draw little footer border line above CE/GE use/save template gadgets
12939   if (draw_footer_line)
12940   {
12941     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12942     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12943     int gd_x = gd->x + gd_gi1->border.width / 2;
12944     int gd_y = gd->y + gd_gi1->height - 1;
12945     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12946
12947     if (tab_color != BLACK_PIXEL)               // black => transparent
12948       FillRectangle(drawto,
12949                     SX + ED_ELEMENT_SETTINGS_X(0),
12950                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12951                     ED_TAB_BAR_HEIGHT,
12952                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12953   }
12954 }
12955
12956 static void DrawPropertiesChangeDrawingAreas(void)
12957 {
12958   if (IS_CUSTOM_ELEMENT(properties_element))
12959   {
12960     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12961     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12962     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12963
12964     DrawCustomChangeContentArea();
12965   }
12966
12967   redraw_mask |= REDRAW_FIELD;
12968 }
12969
12970 static void DrawPropertiesChange(void)
12971 {
12972   int i;
12973
12974   // needed to initially set selectbox options for special action options
12975   setSelectboxSpecialActionOptions();
12976
12977   // draw stickybutton gadget
12978   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12979
12980   // draw checkbutton gadgets
12981   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12982        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12983     MapCheckbuttonGadget(i);
12984
12985   // draw counter gadgets
12986   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12987        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12988     MapCounterButtons(i);
12989
12990   // draw selectbox gadgets
12991   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12992        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12993     MapSelectboxGadget(i);
12994
12995   // draw textbutton gadgets
12996   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12997        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12998     MapTextbuttonGadget(i);
12999
13000   // draw graphicbutton gadgets
13001   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
13002        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
13003     MapGraphicbuttonGadget(i);
13004
13005   // draw drawing area gadgets
13006   DrawPropertiesChangeDrawingAreas();
13007 }
13008
13009 static void DrawEditorElementAnimation(int x, int y)
13010 {
13011   int graphic;
13012   int frame;
13013
13014   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
13015
13016   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
13017 }
13018
13019 static void DrawEditorElementName(int x, int y, int font_nr)
13020 {
13021   char *element_name = getElementInfoText(properties_element);
13022   int font_width = getFontWidth(font_nr);
13023   int font_height = getFontHeight(font_nr);
13024   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
13025   int max_chars_per_line = max_text_width / font_width;
13026
13027   if (strlen(element_name) <= max_chars_per_line)
13028     DrawTextS(x, y, font_nr, element_name);
13029   else
13030   {
13031     char buffer[max_chars_per_line + 1];
13032     int next_pos = max_chars_per_line;
13033
13034     strncpy(buffer, element_name, max_chars_per_line);
13035     buffer[max_chars_per_line] = '\0';
13036
13037     if (element_name[max_chars_per_line] == ' ')
13038       next_pos++;
13039     else
13040     {
13041       int i;
13042
13043       for (i = max_chars_per_line - 1; i >= 0; i--)
13044         if (buffer[i] == ' ')
13045           break;
13046
13047       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
13048       {
13049         buffer[i] = '\0';
13050         next_pos = i + 1;
13051       }
13052     }
13053
13054     DrawTextS(x, y - font_height / 2, font_nr, buffer);
13055
13056     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
13057     buffer[max_chars_per_line] = '\0';
13058
13059     DrawTextS(x, y + font_height / 2, font_nr, buffer);
13060   }
13061 }
13062
13063 static void DrawPropertiesWindow(void)
13064 {
13065   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
13066   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13067   int border_size = gd->border_size;
13068   int font_nr = FONT_TEXT_1;
13069   int font_height = getFontHeight(font_nr);
13070   int xoffset = TILEX + element_border + 3 * border_size;
13071   int yoffset = (TILEY - font_height) / 2;
13072   int x1 = editor.settings.element_graphic.x + element_border;
13073   int y1 = editor.settings.element_graphic.y + element_border;
13074   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
13075             editor.settings.element_name.x);
13076   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
13077             editor.settings.element_name.y);
13078   char *text = "Element Settings";
13079   int font2_nr = FONT_TITLE_1;
13080   struct MenuPosInfo *pos = &editor.settings.headline;
13081   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
13082   int sy = SY + pos->y;
13083
13084   stick_element_properties_window = FALSE;
13085
13086   // make sure that previous properties edit mode exists for this element
13087   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
13088       !IS_CUSTOM_ELEMENT(properties_element))
13089     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
13090
13091   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
13092       !IS_PLAYER_ELEMENT(properties_element) &&
13093       !IS_CUSTOM_ELEMENT(properties_element))
13094     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
13095
13096   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
13097       (IS_PLAYER_ELEMENT(properties_element) ||
13098        IS_CUSTOM_ELEMENT(properties_element)))
13099     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
13100
13101   CopyElementPropertiesToEditor(properties_element);
13102
13103   UnmapLevelEditorFieldGadgets();
13104   UnmapLevelEditorToolboxDrawingGadgets();
13105   UnmapLevelEditorToolboxCustomGadgets();
13106
13107   MapLevelEditorToolboxCustomGadgetsIfNeeded();
13108
13109   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
13110   ClearField();
13111
13112   DrawText(sx, sy, text, font2_nr);
13113
13114   FrameCounter = 0;     // restart animation frame counter
13115
13116   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
13117   DrawEditorElementAnimation(SX + x1, SY + y1);
13118   DrawEditorElementName(x2, y2, font_nr);
13119
13120   DrawPropertiesTabulatorGadgets();
13121
13122   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
13123     DrawPropertiesInfo();
13124   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
13125     DrawPropertiesChange();
13126   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
13127     DrawPropertiesConfig();
13128 }
13129
13130 static void DrawPaletteWindow(void)
13131 {
13132   int i;
13133
13134   UnmapLevelEditorFieldGadgets();
13135
13136   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
13137   ClearField();
13138
13139   // map buttons to select elements
13140   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
13141     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
13142   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
13143   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
13144   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
13145 }
13146
13147 static void UpdateCustomElementGraphicGadgets(void)
13148 {
13149   int i;
13150
13151   InitElementPropertiesGfxElement();
13152
13153   ModifyEditorElementList();
13154   RedrawDrawingElements();
13155
13156   // force redraw of all mapped drawing area gadgets
13157   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
13158   {
13159     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
13160
13161     if (gi->mapped)
13162       MapDrawingArea(i);
13163   }
13164 }
13165
13166 static int getOpenDirectionFromTube(int element)
13167 {
13168   switch (element)
13169   {
13170     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
13171     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
13172     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
13173     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
13174     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
13175     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
13176     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
13177     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
13178     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
13179     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
13180     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
13181   }
13182
13183   return MV_NONE;
13184 }
13185
13186 static int getTubeFromOpenDirection(int direction)
13187 {
13188   switch (direction)
13189   {
13190     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
13191     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
13192     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
13193     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
13194     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
13195     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
13196     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
13197     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
13198     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
13199     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
13200     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
13201
13202     // if only one direction, fall back to simple tube with that direction
13203     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
13204     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
13205     case (MV_UP):                       return EL_TUBE_VERTICAL;
13206     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
13207   }
13208
13209   return EL_EMPTY;
13210 }
13211
13212 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
13213 {
13214   int element_new = getTubeFromOpenDirection(direction);
13215
13216   return (element_new != EL_EMPTY ? element_new : element_old);
13217 }
13218
13219 static int getOpenDirectionFromBelt(int element)
13220 {
13221   int belt_dir = getBeltDirFromBeltElement(element);
13222
13223   return (belt_dir == MV_LEFT ? MV_RIGHT :
13224           belt_dir == MV_RIGHT ? MV_LEFT :
13225           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
13226 }
13227
13228 static int getBeltFromNrAndOpenDirection(int nr, int direction)
13229 {
13230   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
13231                   direction == MV_RIGHT ? MV_LEFT :
13232                   direction == MV_HORIZONTAL ? MV_NONE : direction);
13233
13234   if (direction == MV_NONE)
13235     return EL_EMPTY;
13236
13237   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
13238 }
13239
13240 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
13241                                                  int element_old)
13242 {
13243   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
13244
13245   return (element_new != EL_EMPTY ? element_new : element_old);
13246 }
13247
13248 static int getOpenDirectionFromPool(int element)
13249 {
13250   switch (element)
13251   {
13252     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
13253     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
13254     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
13255     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
13256     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
13257     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
13258   }
13259
13260   return MV_NONE;
13261 }
13262
13263 static int getPoolFromOpenDirection(int direction)
13264 {
13265   switch (direction)
13266   {
13267     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
13268     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
13269     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
13270     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
13271     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
13272     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
13273   }
13274
13275   return EL_EMPTY;
13276 }
13277
13278 static int getPoolFromOpenDirectionExt(int direction, int help_element)
13279 {
13280   int element = getPoolFromOpenDirection(direction);
13281   int help_direction = getOpenDirectionFromPool(help_element);
13282
13283   if (element == EL_EMPTY)
13284   {
13285     int help_direction_vertical = help_direction & MV_VERTICAL;
13286
13287     element = getPoolFromOpenDirection(direction | help_direction_vertical);
13288   }
13289
13290   if (element == EL_EMPTY)
13291   {
13292     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
13293
13294     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
13295   }
13296
13297   return element;
13298 }
13299
13300 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
13301 {
13302   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
13303
13304   return (element_new != EL_EMPTY ? element_new : element_old);
13305 }
13306
13307 static int getOpenDirectionFromPillar(int element)
13308 {
13309   switch (element)
13310   {
13311     case EL_EMC_WALL_1:                 return (MV_DOWN);
13312     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
13313     case EL_EMC_WALL_3:                 return (MV_UP);
13314   }
13315
13316   return MV_NONE;
13317 }
13318
13319 static int getPillarFromOpenDirection(int direction)
13320 {
13321   switch (direction)
13322   {
13323     case (MV_DOWN):                     return EL_EMC_WALL_1;
13324     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
13325     case (MV_UP):                       return EL_EMC_WALL_3;
13326   }
13327
13328   return EL_EMPTY;
13329 }
13330
13331 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
13332 {
13333   int element_new = getPillarFromOpenDirection(direction);
13334
13335   return (element_new != EL_EMPTY ? element_new : element_old);
13336 }
13337
13338 static int getOpenDirectionFromSteel2(int element)
13339 {
13340   switch (element)
13341   {
13342     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
13343     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
13344     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
13345     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
13346     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
13347     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
13348     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
13349     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
13350   }
13351
13352   return MV_NONE;
13353 }
13354
13355 static int getSteel2FromOpenDirection(int direction)
13356 {
13357   switch (direction)
13358   {
13359     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
13360     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
13361     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
13362     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
13363     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
13364     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
13365     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
13366     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
13367   }
13368
13369   return EL_EMPTY;
13370 }
13371
13372 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
13373 {
13374   int element_new = getSteel2FromOpenDirection(direction);
13375
13376   return (element_new != EL_EMPTY ? element_new : element_old);
13377 }
13378
13379 static int getOpenDirectionFromChip(int element)
13380 {
13381   switch (element)
13382   {
13383     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
13384     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
13385     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
13386     case EL_SP_CHIP_TOP:                return (MV_DOWN);
13387     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
13388   }
13389
13390   return MV_NONE;
13391 }
13392
13393 static int getChipFromOpenDirection(int direction)
13394 {
13395   switch (direction)
13396   {
13397     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
13398     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
13399     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
13400     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
13401     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
13402   }
13403
13404   return EL_EMPTY;
13405 }
13406
13407 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
13408 {
13409   int element_new = getChipFromOpenDirection(direction);
13410
13411   return (element_new != EL_EMPTY ? element_new : element_old);
13412 }
13413
13414 static int getClosedTube(int x, int y)
13415 {
13416   struct XY *xy = xy_directions;
13417   int element_old = IntelliDrawBuffer[x][y];
13418   int direction_old = getOpenDirectionFromTube(element_old);
13419   int direction_new = MV_NONE;
13420   int i;
13421
13422   for (i = 0; i < NUM_DIRECTIONS; i++)
13423   {
13424     int xx = x + xy[i].x;
13425     int yy = y + xy[i].y;
13426     int dir = MV_DIR_FROM_BIT(i);
13427     int dir_opposite = MV_DIR_OPPOSITE(dir);
13428
13429     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
13430         (direction_old & dir) &&
13431         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13432       direction_new |= dir;
13433   }
13434
13435   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
13436 }
13437
13438 static int getClosedBelt(int x, int y)
13439 {
13440   struct XY *xy = xy_directions;
13441   int element_old = IntelliDrawBuffer[x][y];
13442   int nr = getBeltNrFromBeltElement(element_old);
13443   int direction_old = getOpenDirectionFromBelt(element_old);
13444   int direction_new = MV_NONE;
13445   int i;
13446
13447   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13448   {
13449     int xx = x + xy[i].x;
13450     int yy = y + xy[i].y;
13451     int dir = MV_DIR_FROM_BIT(i);
13452     int dir_opposite = MV_DIR_OPPOSITE(dir);
13453
13454     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
13455         (direction_old & dir) &&
13456         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13457       direction_new |= dir;
13458   }
13459
13460   return getBeltFromNrAndOpenDirection(nr, direction_new);
13461 }
13462
13463 static int getClosedPool(int x, int y)
13464 {
13465   struct XY *xy = xy_directions;
13466   int element_old = IntelliDrawBuffer[x][y];
13467   int direction_old = getOpenDirectionFromPool(element_old);
13468   int direction_new = MV_NONE;
13469   int i;
13470
13471   for (i = 0; i < NUM_DIRECTIONS; i++)
13472   {
13473     int xx = x + xy[i].x;
13474     int yy = y + xy[i].y;
13475     int dir = MV_DIR_FROM_BIT(i);
13476     int dir_opposite = MV_DIR_OPPOSITE(dir);
13477
13478     if (IN_LEV_FIELD(xx, yy) &&
13479         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
13480         (direction_old & dir) &&
13481         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13482       direction_new |= dir;
13483   }
13484
13485   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
13486 }
13487
13488 static int getClosedPillar(int x, int y)
13489 {
13490   struct XY *xy = xy_directions;
13491   int element_old = IntelliDrawBuffer[x][y];
13492   int direction_old = getOpenDirectionFromPillar(element_old);
13493   int direction_new = MV_NONE;
13494   int i;
13495
13496   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13497   {
13498     int xx = x + xy[i].x;
13499     int yy = y + xy[i].y;
13500     int dir = MV_DIR_FROM_BIT(i);
13501     int dir_opposite = MV_DIR_OPPOSITE(dir);
13502
13503     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
13504         (direction_old & dir) &&
13505         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13506       direction_new |= dir;
13507   }
13508
13509   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
13510 }
13511
13512 static int getClosedSteel2(int x, int y)
13513 {
13514   struct XY *xy = xy_directions;
13515   int element_old = IntelliDrawBuffer[x][y];
13516   int direction_old = getOpenDirectionFromSteel2(element_old);
13517   int direction_new = MV_NONE;
13518   int i;
13519
13520   for (i = 0; i < NUM_DIRECTIONS; i++)
13521   {
13522     int xx = x + xy[i].x;
13523     int yy = y + xy[i].y;
13524     int dir = MV_DIR_FROM_BIT(i);
13525     int dir_opposite = MV_DIR_OPPOSITE(dir);
13526
13527     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
13528         (direction_old & dir) &&
13529         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13530       direction_new |= dir;
13531   }
13532
13533   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
13534 }
13535
13536 static int getClosedChip(int x, int y)
13537 {
13538   struct XY *xy = xy_directions;
13539   int element_old = IntelliDrawBuffer[x][y];
13540   int direction_old = getOpenDirectionFromChip(element_old);
13541   int direction_new = MV_NONE;
13542   int i;
13543
13544   for (i = 0; i < NUM_DIRECTIONS; i++)
13545   {
13546     int xx = x + xy[i].x;
13547     int yy = y + xy[i].y;
13548     int dir = MV_DIR_FROM_BIT(i);
13549     int dir_opposite = MV_DIR_OPPOSITE(dir);
13550
13551     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
13552         (direction_old & dir) &&
13553         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13554       direction_new |= dir;
13555   }
13556
13557   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
13558 }
13559
13560 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
13561                                 boolean change_level)
13562 {
13563   int sx = x - level_xpos;
13564   int sy = y - level_ypos;
13565   int old_element = Tile[x][y];
13566   int new_element = element;
13567   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13568   boolean draw_masked = FALSE;
13569
13570   if (IS_MM_WALL_EDITOR(element))
13571   {
13572     element = map_mm_wall_element_editor(element) | new_bitmask;
13573
13574     if (IS_MM_WALL(old_element))
13575       element |= MM_WALL_BITS(old_element);
13576
13577     if (!change_level)
13578       draw_masked = TRUE;
13579   }
13580   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13581   {
13582     int element_changed = old_element & ~new_bitmask;
13583
13584     if (MM_WALL_BITS(element_changed) != 0)
13585       element = element_changed;
13586   }
13587
13588   IntelliDrawBuffer[x][y] = element;
13589
13590   if (change_level)
13591     Tile[x][y] = element;
13592
13593   if (IN_ED_FIELD(sx, sy))
13594   {
13595     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13596       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13597     else if (draw_masked)
13598       DrawEditorElementThruMask(sx, sy, element);
13599     else
13600       DrawEditorElement(sx, sy, element);
13601   }
13602 }
13603
13604 static void SetElementSimple(int x, int y, int element, boolean change_level)
13605 {
13606   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13607 }
13608
13609 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13610                                            int x2, int y2, int *element2,
13611                                            int (*close_function)(int, int),
13612                                            boolean change_level)
13613 {
13614   // set neighbour elements to newly determined connections
13615   SetElementSimple(x1, y1, *element1, change_level);
13616   SetElementSimple(x2, y2, *element2, change_level);
13617
13618   // remove all open connections of neighbour elements
13619   *element1 = close_function(x1, y1);
13620   *element2 = close_function(x2, y2);
13621
13622   // set neighbour elements to new, minimized connections
13623   SetElementSimple(x1, y1, *element1, change_level);
13624   SetElementSimple(x2, y2, *element2, change_level);
13625 }
13626
13627 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13628                                   boolean change_level, int button)
13629 {
13630   struct XY *xy = xy_directions;
13631   static int last_x = -1;
13632   static int last_y = -1;
13633
13634   if (new_element == EL_UNDEFINED)
13635   {
13636     last_x = -1;
13637     last_y = -1;
13638
13639     return;
13640   }
13641
13642   int old_element = IntelliDrawBuffer[x][y];
13643
13644   if (IS_TUBE(new_element))
13645   {
13646     int last_element_new = EL_UNDEFINED;
13647     int direction = MV_NONE;
13648     int i;
13649
13650     // if old element is of same kind, keep all existing directions
13651     if (IS_TUBE(old_element))
13652       direction |= getOpenDirectionFromTube(old_element);
13653
13654     for (i = 0; i < NUM_DIRECTIONS; i++)
13655     {
13656       int xx = x + xy[i].x;
13657       int yy = y + xy[i].y;
13658
13659       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13660           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13661       {
13662         int dir = MV_DIR_FROM_BIT(i);
13663         int dir_opposite = MV_DIR_OPPOSITE(dir);
13664         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13665         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13666         int last_direction_new = last_direction_old | dir_opposite;
13667
13668         last_element_new = getTubeFromOpenDirection(last_direction_new);
13669
13670         direction |= dir;
13671       }
13672     }
13673
13674     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13675
13676     if (last_element_new != EL_UNDEFINED)
13677       MergeAndCloseNeighbourElements(x, y, &new_element,
13678                                      last_x, last_y, &last_element_new,
13679                                      getClosedTube, change_level);
13680   }
13681   else if (IS_BELT(new_element))
13682   {
13683     int belt_nr = getBeltNrFromBeltElement(new_element);
13684     int last_element_new = EL_UNDEFINED;
13685     int direction = MV_NONE;
13686     int i;
13687
13688     // if old element is of same kind, keep all existing directions
13689     if (IS_BELT(old_element))
13690       direction |= getOpenDirectionFromBelt(old_element);
13691
13692     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13693     {
13694       int xx = x + xy[i].x;
13695       int yy = y + xy[i].y;
13696
13697       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13698           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13699       {
13700         int dir = MV_DIR_FROM_BIT(i);
13701         int dir_opposite = MV_DIR_OPPOSITE(dir);
13702         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13703         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13704         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13705         int last_direction_new = last_direction_old | dir_opposite;
13706
13707         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13708                                                          last_direction_new);
13709         direction |= dir;
13710       }
13711     }
13712
13713     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13714                                                         new_element);
13715     if (last_element_new != EL_UNDEFINED)
13716       MergeAndCloseNeighbourElements(x, y, &new_element,
13717                                      last_x, last_y, &last_element_new,
13718                                      getClosedBelt, change_level);
13719   }
13720   else if (IS_ACID_POOL_OR_ACID(new_element))
13721   {
13722     int last_element_new = EL_UNDEFINED;
13723     int direction = MV_NONE;
13724     int i;
13725
13726     // if old element is of same kind, keep all existing directions
13727     if (IS_ACID_POOL_OR_ACID(old_element))
13728       direction |= getOpenDirectionFromPool(old_element);
13729
13730     for (i = 0; i < NUM_DIRECTIONS; i++)
13731     {
13732       int xx = x + xy[i].x;
13733       int yy = y + xy[i].y;
13734
13735       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13736           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13737       {
13738         int dir = MV_DIR_FROM_BIT(i);
13739         int dir_opposite = MV_DIR_OPPOSITE(dir);
13740         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13741         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13742         int last_direction_new = last_direction_old | dir_opposite;
13743
13744         last_element_new = getPoolFromOpenDirection(last_direction_new);
13745
13746         direction |= dir;
13747       }
13748     }
13749
13750     // special corrections needed for intuitively correct acid pool drawing
13751     if (last_element_new == EL_EMPTY)
13752       last_element_new = new_element;
13753     else if (last_element_new != EL_UNDEFINED)
13754       new_element = last_element_new;
13755
13756     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13757
13758     if (last_element_new != EL_UNDEFINED)
13759       MergeAndCloseNeighbourElements(x, y, &new_element,
13760                                      last_x, last_y, &last_element_new,
13761                                      getClosedPool, change_level);
13762   }
13763   else if (IS_EMC_PILLAR(new_element))
13764   {
13765     int last_element_new = EL_UNDEFINED;
13766     int direction = MV_NONE;
13767     int i;
13768
13769     // if old element is of same kind, keep all existing directions
13770     if (IS_EMC_PILLAR(old_element))
13771       direction |= getOpenDirectionFromPillar(old_element);
13772
13773     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13774     {
13775       int xx = x + xy[i].x;
13776       int yy = y + xy[i].y;
13777
13778       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13779           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13780       {
13781         int dir = MV_DIR_FROM_BIT(i);
13782         int dir_opposite = MV_DIR_OPPOSITE(dir);
13783         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13784         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13785         int last_direction_new = last_direction_old | dir_opposite;
13786
13787         last_element_new = getPillarFromOpenDirection(last_direction_new);
13788
13789         direction |= dir;
13790       }
13791     }
13792
13793     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13794
13795     if (last_element_new != EL_UNDEFINED)
13796       MergeAndCloseNeighbourElements(x, y, &new_element,
13797                                      last_x, last_y, &last_element_new,
13798                                      getClosedPillar, change_level);
13799   }
13800   else if (IS_DC_STEELWALL_2(new_element))
13801   {
13802     int last_element_new = EL_UNDEFINED;
13803     int direction = MV_NONE;
13804     int i;
13805
13806     // if old element is of same kind, keep all existing directions
13807     if (IS_DC_STEELWALL_2(old_element))
13808       direction |= getOpenDirectionFromSteel2(old_element);
13809
13810     for (i = 0; i < NUM_DIRECTIONS; i++)
13811     {
13812       int xx = x + xy[i].x;
13813       int yy = y + xy[i].y;
13814
13815       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13816           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13817       {
13818         int dir = MV_DIR_FROM_BIT(i);
13819         int dir_opposite = MV_DIR_OPPOSITE(dir);
13820         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13821         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13822         int last_direction_new = last_direction_old | dir_opposite;
13823
13824         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13825
13826         direction |= dir;
13827       }
13828     }
13829
13830     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13831
13832     if (last_element_new != EL_UNDEFINED)
13833       MergeAndCloseNeighbourElements(x, y, &new_element,
13834                                      last_x, last_y, &last_element_new,
13835                                      getClosedSteel2, change_level);
13836   }
13837   else if (IS_SP_CHIP(new_element))
13838   {
13839     int last_element_new = EL_UNDEFINED;
13840     int direction = MV_NONE;
13841     int i;
13842
13843     // (do not keep existing directions, regardless of kind of old element)
13844
13845     for (i = 0; i < NUM_DIRECTIONS; i++)
13846     {
13847       int xx = x + xy[i].x;
13848       int yy = y + xy[i].y;
13849
13850       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13851           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13852       {
13853         int dir = MV_DIR_FROM_BIT(i);
13854         int dir_opposite = MV_DIR_OPPOSITE(dir);
13855         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13856         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13857         int last_direction_new = last_direction_old | dir_opposite;
13858
13859         if (last_direction_old == MV_NONE)
13860         {
13861           last_element_new = getChipFromOpenDirection(last_direction_new);
13862           direction |= dir;
13863         }
13864         else if (last_direction_old & (dir | dir_opposite))
13865         {
13866           direction |= MV_DIR_OPPOSITE(last_direction_old);
13867         }
13868         else
13869         {
13870           direction |= MV_DIR_OPPOSITE(dir);
13871         }
13872       }
13873     }
13874
13875     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13876
13877     if (last_element_new != EL_UNDEFINED)
13878       MergeAndCloseNeighbourElements(x, y, &new_element,
13879                                      last_x, last_y, &last_element_new,
13880                                      getClosedChip, change_level);
13881   }
13882   else if (IS_SP_HARDWARE_BASE(new_element))
13883   {
13884     int nr = GetSimpleRandom(6);
13885
13886     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13887                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13888                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13889                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13890                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13891   }
13892   else if (new_element == EL_SP_HARDWARE_GREEN ||
13893            new_element == EL_SP_HARDWARE_BLUE ||
13894            new_element == EL_SP_HARDWARE_RED)
13895   {
13896     int nr = GetSimpleRandom(3);
13897
13898     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13899                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13900   }
13901   else if (IS_GROUP_ELEMENT(new_element))
13902   {
13903     boolean connected_drawing = FALSE;
13904     int i;
13905
13906     for (i = 0; i < NUM_DIRECTIONS; i++)
13907     {
13908       int xx = x + xy[i].x;
13909       int yy = y + xy[i].y;
13910
13911       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13912           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13913         connected_drawing = TRUE;
13914     }
13915
13916     if (!connected_drawing)
13917       ResolveGroupElement(new_element);
13918
13919     new_element = GetElementFromGroupElement(new_element);
13920   }
13921   else if (IS_BELT_SWITCH(old_element))
13922   {
13923     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13924     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13925
13926     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13927                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13928
13929     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13930   }
13931   else
13932   {
13933     static int swappable_elements[][2] =
13934     {
13935       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13936       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13937       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13938       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13939       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13940       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13941       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13942       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13943       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13944       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13945       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13946       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13947       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13948       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13949       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13950       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13951       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13952       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13953       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13954       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13955       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13956       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13957       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13958       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13959       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13960       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13961       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13962       { EL_PEARL,                       EL_WALL_PEARL                   },
13963       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13964       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13965       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13966       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13967       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13968       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13969       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13970       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13971       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13972       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13973       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13974       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13975       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13976       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13977       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13978       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13979
13980       { -1,                             -1                              },
13981     };
13982     static int rotatable_elements_4[][4] =
13983     {
13984       {
13985         EL_BUG_UP,
13986         EL_BUG_RIGHT,
13987         EL_BUG_DOWN,
13988         EL_BUG_LEFT
13989       },
13990       {
13991         EL_SPACESHIP_UP,
13992         EL_SPACESHIP_RIGHT,
13993         EL_SPACESHIP_DOWN,
13994         EL_SPACESHIP_LEFT
13995       },
13996       {
13997         EL_BD_BUTTERFLY_UP,
13998         EL_BD_BUTTERFLY_RIGHT,
13999         EL_BD_BUTTERFLY_DOWN,
14000         EL_BD_BUTTERFLY_LEFT
14001       },
14002       {
14003         EL_BD_FIREFLY_UP,
14004         EL_BD_FIREFLY_RIGHT,
14005         EL_BD_FIREFLY_DOWN,
14006         EL_BD_FIREFLY_LEFT
14007       },
14008       {
14009         EL_PACMAN_UP,
14010         EL_PACMAN_RIGHT,
14011         EL_PACMAN_DOWN,
14012         EL_PACMAN_LEFT
14013       },
14014       {
14015         EL_YAMYAM_UP,
14016         EL_YAMYAM_RIGHT,
14017         EL_YAMYAM_DOWN,
14018         EL_YAMYAM_LEFT
14019       },
14020       {
14021         EL_ARROW_UP,
14022         EL_ARROW_RIGHT,
14023         EL_ARROW_DOWN,
14024         EL_ARROW_LEFT
14025       },
14026       {
14027         EL_SP_PORT_UP,
14028         EL_SP_PORT_RIGHT,
14029         EL_SP_PORT_DOWN,
14030         EL_SP_PORT_LEFT
14031       },
14032       {
14033         EL_SP_GRAVITY_PORT_UP,
14034         EL_SP_GRAVITY_PORT_RIGHT,
14035         EL_SP_GRAVITY_PORT_DOWN,
14036         EL_SP_GRAVITY_PORT_LEFT
14037       },
14038       {
14039         EL_SP_GRAVITY_ON_PORT_UP,
14040         EL_SP_GRAVITY_ON_PORT_RIGHT,
14041         EL_SP_GRAVITY_ON_PORT_DOWN,
14042         EL_SP_GRAVITY_ON_PORT_LEFT
14043       },
14044       {
14045         EL_SP_GRAVITY_OFF_PORT_UP,
14046         EL_SP_GRAVITY_OFF_PORT_RIGHT,
14047         EL_SP_GRAVITY_OFF_PORT_DOWN,
14048         EL_SP_GRAVITY_OFF_PORT_LEFT
14049       },
14050       {
14051         EL_MOLE_UP,
14052         EL_MOLE_RIGHT,
14053         EL_MOLE_DOWN,
14054         EL_MOLE_LEFT
14055       },
14056       {
14057         EL_BALLOON_SWITCH_UP,
14058         EL_BALLOON_SWITCH_RIGHT,
14059         EL_BALLOON_SWITCH_DOWN,
14060         EL_BALLOON_SWITCH_LEFT
14061       },
14062       {
14063         EL_MM_MCDUFFIN_UP,
14064         EL_MM_MCDUFFIN_RIGHT,
14065         EL_MM_MCDUFFIN_DOWN,
14066         EL_MM_MCDUFFIN_LEFT
14067       },
14068       {
14069         EL_MM_MIRROR_FIXED_1,
14070         EL_MM_MIRROR_FIXED_4,
14071         EL_MM_MIRROR_FIXED_3,
14072         EL_MM_MIRROR_FIXED_2
14073       },
14074       {
14075         EL_MM_STEEL_GRID_FIXED_1,
14076         EL_MM_STEEL_GRID_FIXED_4,
14077         EL_MM_STEEL_GRID_FIXED_2,
14078         EL_MM_STEEL_GRID_FIXED_3
14079       },
14080       {
14081         EL_MM_WOODEN_GRID_FIXED_1,
14082         EL_MM_WOODEN_GRID_FIXED_4,
14083         EL_MM_WOODEN_GRID_FIXED_2,
14084         EL_MM_WOODEN_GRID_FIXED_3
14085       },
14086       {
14087         EL_MM_POLARIZER_CROSS_1,
14088         EL_MM_POLARIZER_CROSS_4,
14089         EL_MM_POLARIZER_CROSS_3,
14090         EL_MM_POLARIZER_CROSS_2
14091       },
14092       {
14093         EL_MM_PACMAN_UP,
14094         EL_MM_PACMAN_RIGHT,
14095         EL_MM_PACMAN_DOWN,
14096         EL_MM_PACMAN_LEFT
14097       },
14098       {
14099         EL_DF_LASER_UP,
14100         EL_DF_LASER_RIGHT,
14101         EL_DF_LASER_DOWN,
14102         EL_DF_LASER_LEFT
14103       },
14104       {
14105         EL_DF_RECEIVER_UP,
14106         EL_DF_RECEIVER_RIGHT,
14107         EL_DF_RECEIVER_DOWN,
14108         EL_DF_RECEIVER_LEFT
14109       },
14110       {
14111         EL_DF_SLOPE_1,
14112         EL_DF_SLOPE_4,
14113         EL_DF_SLOPE_3,
14114         EL_DF_SLOPE_2
14115       },
14116
14117       {
14118         -1,
14119       },
14120     };
14121     static int rotatable_elements_8[][8] =
14122     {
14123       {
14124         EL_DF_STEEL_GRID_FIXED_1,
14125         EL_DF_STEEL_GRID_FIXED_8,
14126         EL_DF_STEEL_GRID_FIXED_7,
14127         EL_DF_STEEL_GRID_FIXED_6,
14128         EL_DF_STEEL_GRID_FIXED_5,
14129         EL_DF_STEEL_GRID_FIXED_4,
14130         EL_DF_STEEL_GRID_FIXED_3,
14131         EL_DF_STEEL_GRID_FIXED_2
14132       },
14133       {
14134         EL_DF_WOODEN_GRID_FIXED_1,
14135         EL_DF_WOODEN_GRID_FIXED_8,
14136         EL_DF_WOODEN_GRID_FIXED_7,
14137         EL_DF_WOODEN_GRID_FIXED_6,
14138         EL_DF_WOODEN_GRID_FIXED_5,
14139         EL_DF_WOODEN_GRID_FIXED_4,
14140         EL_DF_WOODEN_GRID_FIXED_3,
14141         EL_DF_WOODEN_GRID_FIXED_2
14142       },
14143       {
14144         EL_DF_STEEL_GRID_ROTATING_1,
14145         EL_DF_STEEL_GRID_ROTATING_8,
14146         EL_DF_STEEL_GRID_ROTATING_7,
14147         EL_DF_STEEL_GRID_ROTATING_6,
14148         EL_DF_STEEL_GRID_ROTATING_5,
14149         EL_DF_STEEL_GRID_ROTATING_4,
14150         EL_DF_STEEL_GRID_ROTATING_3,
14151         EL_DF_STEEL_GRID_ROTATING_2
14152       },
14153       {
14154         EL_DF_WOODEN_GRID_ROTATING_1,
14155         EL_DF_WOODEN_GRID_ROTATING_8,
14156         EL_DF_WOODEN_GRID_ROTATING_7,
14157         EL_DF_WOODEN_GRID_ROTATING_6,
14158         EL_DF_WOODEN_GRID_ROTATING_5,
14159         EL_DF_WOODEN_GRID_ROTATING_4,
14160         EL_DF_WOODEN_GRID_ROTATING_3,
14161         EL_DF_WOODEN_GRID_ROTATING_2
14162       },
14163
14164       {
14165         -1,
14166       },
14167     };
14168     static int rotatable_elements_16[][16] =
14169     {
14170       {
14171         EL_MM_MIRROR_1,
14172         EL_MM_MIRROR_16,
14173         EL_MM_MIRROR_15,
14174         EL_MM_MIRROR_14,
14175         EL_MM_MIRROR_13,
14176         EL_MM_MIRROR_12,
14177         EL_MM_MIRROR_11,
14178         EL_MM_MIRROR_10,
14179         EL_MM_MIRROR_9,
14180         EL_MM_MIRROR_8,
14181         EL_MM_MIRROR_7,
14182         EL_MM_MIRROR_6,
14183         EL_MM_MIRROR_5,
14184         EL_MM_MIRROR_4,
14185         EL_MM_MIRROR_3,
14186         EL_MM_MIRROR_2
14187       },
14188       {
14189         EL_MM_TELEPORTER_5,
14190         EL_MM_TELEPORTER_4,
14191         EL_MM_TELEPORTER_3,
14192         EL_MM_TELEPORTER_2,
14193         EL_MM_TELEPORTER_1,
14194         EL_MM_TELEPORTER_16,
14195         EL_MM_TELEPORTER_15,
14196         EL_MM_TELEPORTER_14,
14197         EL_MM_TELEPORTER_13,
14198         EL_MM_TELEPORTER_12,
14199         EL_MM_TELEPORTER_11,
14200         EL_MM_TELEPORTER_10,
14201         EL_MM_TELEPORTER_9,
14202         EL_MM_TELEPORTER_8,
14203         EL_MM_TELEPORTER_7,
14204         EL_MM_TELEPORTER_6
14205       },
14206       {
14207         EL_MM_TELEPORTER_RED_5,
14208         EL_MM_TELEPORTER_RED_4,
14209         EL_MM_TELEPORTER_RED_3,
14210         EL_MM_TELEPORTER_RED_2,
14211         EL_MM_TELEPORTER_RED_1,
14212         EL_MM_TELEPORTER_RED_16,
14213         EL_MM_TELEPORTER_RED_15,
14214         EL_MM_TELEPORTER_RED_14,
14215         EL_MM_TELEPORTER_RED_13,
14216         EL_MM_TELEPORTER_RED_12,
14217         EL_MM_TELEPORTER_RED_11,
14218         EL_MM_TELEPORTER_RED_10,
14219         EL_MM_TELEPORTER_RED_9,
14220         EL_MM_TELEPORTER_RED_8,
14221         EL_MM_TELEPORTER_RED_7,
14222         EL_MM_TELEPORTER_RED_6
14223       },
14224       {
14225         EL_MM_TELEPORTER_YELLOW_5,
14226         EL_MM_TELEPORTER_YELLOW_4,
14227         EL_MM_TELEPORTER_YELLOW_3,
14228         EL_MM_TELEPORTER_YELLOW_2,
14229         EL_MM_TELEPORTER_YELLOW_1,
14230         EL_MM_TELEPORTER_YELLOW_16,
14231         EL_MM_TELEPORTER_YELLOW_15,
14232         EL_MM_TELEPORTER_YELLOW_14,
14233         EL_MM_TELEPORTER_YELLOW_13,
14234         EL_MM_TELEPORTER_YELLOW_12,
14235         EL_MM_TELEPORTER_YELLOW_11,
14236         EL_MM_TELEPORTER_YELLOW_10,
14237         EL_MM_TELEPORTER_YELLOW_9,
14238         EL_MM_TELEPORTER_YELLOW_8,
14239         EL_MM_TELEPORTER_YELLOW_7,
14240         EL_MM_TELEPORTER_YELLOW_6
14241       },
14242       {
14243         EL_MM_TELEPORTER_GREEN_5,
14244         EL_MM_TELEPORTER_GREEN_4,
14245         EL_MM_TELEPORTER_GREEN_3,
14246         EL_MM_TELEPORTER_GREEN_2,
14247         EL_MM_TELEPORTER_GREEN_1,
14248         EL_MM_TELEPORTER_GREEN_16,
14249         EL_MM_TELEPORTER_GREEN_15,
14250         EL_MM_TELEPORTER_GREEN_14,
14251         EL_MM_TELEPORTER_GREEN_13,
14252         EL_MM_TELEPORTER_GREEN_12,
14253         EL_MM_TELEPORTER_GREEN_11,
14254         EL_MM_TELEPORTER_GREEN_10,
14255         EL_MM_TELEPORTER_GREEN_9,
14256         EL_MM_TELEPORTER_GREEN_8,
14257         EL_MM_TELEPORTER_GREEN_7,
14258         EL_MM_TELEPORTER_GREEN_6
14259       },
14260       {
14261         EL_MM_TELEPORTER_BLUE_5,
14262         EL_MM_TELEPORTER_BLUE_4,
14263         EL_MM_TELEPORTER_BLUE_3,
14264         EL_MM_TELEPORTER_BLUE_2,
14265         EL_MM_TELEPORTER_BLUE_1,
14266         EL_MM_TELEPORTER_BLUE_16,
14267         EL_MM_TELEPORTER_BLUE_15,
14268         EL_MM_TELEPORTER_BLUE_14,
14269         EL_MM_TELEPORTER_BLUE_13,
14270         EL_MM_TELEPORTER_BLUE_12,
14271         EL_MM_TELEPORTER_BLUE_11,
14272         EL_MM_TELEPORTER_BLUE_10,
14273         EL_MM_TELEPORTER_BLUE_9,
14274         EL_MM_TELEPORTER_BLUE_8,
14275         EL_MM_TELEPORTER_BLUE_7,
14276         EL_MM_TELEPORTER_BLUE_6
14277       },
14278       {
14279         EL_MM_POLARIZER_1,
14280         EL_MM_POLARIZER_16,
14281         EL_MM_POLARIZER_15,
14282         EL_MM_POLARIZER_14,
14283         EL_MM_POLARIZER_13,
14284         EL_MM_POLARIZER_12,
14285         EL_MM_POLARIZER_11,
14286         EL_MM_POLARIZER_10,
14287         EL_MM_POLARIZER_9,
14288         EL_MM_POLARIZER_8,
14289         EL_MM_POLARIZER_7,
14290         EL_MM_POLARIZER_6,
14291         EL_MM_POLARIZER_5,
14292         EL_MM_POLARIZER_4,
14293         EL_MM_POLARIZER_3,
14294         EL_MM_POLARIZER_2
14295       },
14296       {
14297         EL_DF_MIRROR_1,
14298         EL_DF_MIRROR_16,
14299         EL_DF_MIRROR_15,
14300         EL_DF_MIRROR_14,
14301         EL_DF_MIRROR_13,
14302         EL_DF_MIRROR_12,
14303         EL_DF_MIRROR_11,
14304         EL_DF_MIRROR_10,
14305         EL_DF_MIRROR_9,
14306         EL_DF_MIRROR_8,
14307         EL_DF_MIRROR_7,
14308         EL_DF_MIRROR_6,
14309         EL_DF_MIRROR_5,
14310         EL_DF_MIRROR_4,
14311         EL_DF_MIRROR_3,
14312         EL_DF_MIRROR_2
14313       },
14314       {
14315         EL_DF_MIRROR_ROTATING_1,
14316         EL_DF_MIRROR_ROTATING_16,
14317         EL_DF_MIRROR_ROTATING_15,
14318         EL_DF_MIRROR_ROTATING_14,
14319         EL_DF_MIRROR_ROTATING_13,
14320         EL_DF_MIRROR_ROTATING_12,
14321         EL_DF_MIRROR_ROTATING_11,
14322         EL_DF_MIRROR_ROTATING_10,
14323         EL_DF_MIRROR_ROTATING_9,
14324         EL_DF_MIRROR_ROTATING_8,
14325         EL_DF_MIRROR_ROTATING_7,
14326         EL_DF_MIRROR_ROTATING_6,
14327         EL_DF_MIRROR_ROTATING_5,
14328         EL_DF_MIRROR_ROTATING_4,
14329         EL_DF_MIRROR_ROTATING_3,
14330         EL_DF_MIRROR_ROTATING_2
14331       },
14332       {
14333         EL_DF_MIRROR_FIXED_1,
14334         EL_DF_MIRROR_FIXED_16,
14335         EL_DF_MIRROR_FIXED_15,
14336         EL_DF_MIRROR_FIXED_14,
14337         EL_DF_MIRROR_FIXED_13,
14338         EL_DF_MIRROR_FIXED_12,
14339         EL_DF_MIRROR_FIXED_11,
14340         EL_DF_MIRROR_FIXED_10,
14341         EL_DF_MIRROR_FIXED_9,
14342         EL_DF_MIRROR_FIXED_8,
14343         EL_DF_MIRROR_FIXED_7,
14344         EL_DF_MIRROR_FIXED_6,
14345         EL_DF_MIRROR_FIXED_5,
14346         EL_DF_MIRROR_FIXED_4,
14347         EL_DF_MIRROR_FIXED_3,
14348         EL_DF_MIRROR_FIXED_2
14349       },
14350
14351       {
14352         -1,
14353       },
14354     };
14355     int i, j;
14356
14357     for (i = 0; swappable_elements[i][0] != -1; i++)
14358     {
14359       int element1 = swappable_elements[i][0];
14360       int element2 = swappable_elements[i][1];
14361
14362       if (old_element == element1 || old_element == element2)
14363         new_element = (old_element == element1 ? element2 : element1);
14364     }
14365
14366     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
14367     {
14368       for (j = 0; j < 4; j++)
14369       {
14370         int element = rotatable_elements_4[i][j];
14371
14372         if (old_element == element)
14373           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
14374                          button == 2 ? rotatable_elements_4[i][0]           :
14375                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
14376                          old_element);
14377       }
14378     }
14379
14380     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
14381     {
14382       for (j = 0; j < 8; j++)
14383       {
14384         int element = rotatable_elements_8[i][j];
14385
14386         if (old_element == element)
14387           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
14388                          button == 2 ? rotatable_elements_8[i][0]           :
14389                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
14390                          old_element);
14391       }
14392     }
14393
14394     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
14395     {
14396       for (j = 0; j < 16; j++)
14397       {
14398         int element = rotatable_elements_16[i][j];
14399
14400         if (old_element == element)
14401           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
14402                          button == 2 ? rotatable_elements_16[i][0]             :
14403                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
14404                          old_element);
14405       }
14406     }
14407
14408     if (old_element != new_element)
14409     {
14410       int max_infotext_len = getMaxInfoTextLength();
14411       char infotext[MAX_OUTPUT_LINESIZE + 1];
14412
14413       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
14414       infotext[max_infotext_len] = '\0';
14415
14416       ClearEditorGadgetInfoText();
14417
14418       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
14419                 infotext);
14420     }
14421   }
14422
14423   if (IS_MM_WALL_EDITOR(new_element))
14424     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
14425   else
14426     SetElementSimple(x, y, new_element, change_level);
14427
14428   last_x = x;
14429   last_y = y;
14430 }
14431
14432 static void ResetIntelliDraw(void)
14433 {
14434   int x, y;
14435
14436   for (x = 0; x < lev_fieldx; x++)
14437     for (y = 0; y < lev_fieldy; y++)
14438       IntelliDrawBuffer[x][y] = Tile[x][y];
14439
14440   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
14441 }
14442
14443 static boolean draw_mode_hires = FALSE;
14444
14445 static boolean isHiresTileElement(int element)
14446 {
14447   return (IS_MM_WALL(element)        || element == EL_EMPTY);
14448 }
14449
14450 static boolean isHiresDrawElement(int element)
14451 {
14452   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
14453 }
14454
14455 static int numHiresTiles(int element)
14456 {
14457   if (IS_MM_WALL(element))
14458     return get_number_of_bits(MM_WALL_BITS(element));
14459
14460   return 1;
14461 }
14462
14463 static void SetDrawModeHiRes(int element)
14464 {
14465   draw_mode_hires =
14466     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14467      isHiresDrawElement(element));
14468 }
14469
14470 static boolean getDrawModeHiRes(void)
14471 {
14472   return draw_mode_hires;
14473 }
14474
14475 static int getLoResScreenPos(int pos)
14476 {
14477   return (getDrawModeHiRes() ? pos / 2 : pos);
14478 }
14479
14480 static int getLoResScreenMod(int pos)
14481 {
14482   return (getDrawModeHiRes() ? pos % 2 : 0);
14483 }
14484
14485 static void SetElementExt(int x, int y, int dx, int dy, int element,
14486                           boolean change_level, int button)
14487 {
14488   if (element < 0)
14489     SetElementSimple(x, y, Tile[x][y], change_level);
14490   else if (GetKeyModState() & KMOD_Shift)
14491     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
14492   else
14493     SetElementSimpleExt(x, y, dx, dy, element, change_level);
14494 }
14495
14496 static void SetElement(int x, int y, int element)
14497 {
14498   SetElementExt(x, y, 0, 0, element, TRUE, -1);
14499 }
14500
14501 static void SetElementButton(int x, int y, int dx, int dy, int element,
14502                              int button)
14503 {
14504   SetElementExt(x, y, dx, dy, element, TRUE, button);
14505 }
14506
14507 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
14508 {
14509   int lx = getLoResScreenPos(sx2) + level_xpos;
14510   int ly = getLoResScreenPos(sy2) + level_ypos;
14511   int dx = getLoResScreenMod(sx2);
14512   int dy = getLoResScreenMod(sy2);
14513
14514   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
14515 }
14516
14517 static void SetLevelElementHiRes(int lx2, int ly2, int element)
14518 {
14519   int lx = lx2 / 2;
14520   int ly = ly2 / 2;
14521   int dx = lx2 % 2;
14522   int dy = ly2 % 2;
14523
14524   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
14525 }
14526
14527 static int getLevelElementHiRes(int lx2, int ly2)
14528 {
14529   int lx = lx2 / 2;
14530   int ly = ly2 / 2;
14531   int dx = lx2 % 2;
14532   int dy = ly2 % 2;
14533   int element = Tile[lx][ly];
14534   unsigned int bitmask = (dx + 1) << (dy * 2);
14535
14536   if (IS_MM_WALL(element))
14537   {
14538     if (element & bitmask)
14539       return map_mm_wall_element(element);
14540     else
14541       return EL_EMPTY;
14542   }
14543
14544   return element;
14545 }
14546
14547 static void DrawLineElement(int x, int y, int element, boolean change_level)
14548 {
14549   SetElementHiRes(x, y, element, change_level);
14550 }
14551
14552 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
14553                      int element, boolean change_level)
14554 {
14555   int xsize = ABS(to_x - from_x);
14556   int ysize = ABS(to_y - from_y);
14557   int dx = (to_x < from_x ? -1 : +1);
14558   int dy = (to_y < from_y ? -1 : +1);
14559   int i;
14560
14561   if (from_y == to_y)                   // horizontal line
14562   {
14563     for (i = 0; i <= xsize; i++)
14564       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14565   }
14566   else if (from_x == to_x)              // vertical line
14567   {
14568     for (i = 0; i <= ysize; i++)
14569       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14570   }
14571   else                                  // diagonal line
14572   {
14573     if (ysize < xsize)                  // a < 1
14574     {
14575       float a = (float)ysize / (float)xsize;
14576
14577       for (i = 0; i <= xsize; i++)
14578       {
14579         int x = dx * i;
14580         int y = dy * (int)(a * i + 0.5);
14581
14582         DrawLineElement(from_x + x, from_y + y, element, change_level);
14583       }
14584     }
14585     else                                // a >= 1
14586     {
14587       float a = (float)xsize / (float)ysize;
14588
14589       for (i = 0; i <= ysize; i++)
14590       {
14591         int x = dx * (int)(a * i + 0.5);
14592         int y = dy * i;
14593
14594         DrawLineElement(from_x + x, from_y + y, element, change_level);
14595       }
14596     }
14597   }
14598 }
14599
14600 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14601                     int element, boolean change_level)
14602 {
14603   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14604   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14605   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14606   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14607 }
14608
14609 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14610                           int element, boolean change_level)
14611 {
14612   int y;
14613
14614   if (from_y > to_y)
14615     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14616
14617   for (y = from_y; y <= to_y; y++)
14618     DrawLine(from_x, y, to_x, y, element, change_level);
14619 }
14620
14621 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14622                        int element, boolean change_level)
14623 {
14624   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14625   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14626   int len_x = ABS(to_x - from_x);
14627   int len_y = ABS(to_y - from_y);
14628   int radius, x, y;
14629
14630   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14631
14632   // not optimal (some points get drawn twice) but simple,
14633   // and fast enough for the few points we are drawing
14634
14635   for (x = 0; x <= radius; x++)
14636   {
14637     int sx, sy, sx2, sy2, lx, ly;
14638
14639     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14640
14641     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14642     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14643     sx = getLoResScreenPos(sx2);
14644     sy = getLoResScreenPos(sy2);
14645     lx = sx + level_xpos;
14646     ly = sy + level_ypos;
14647
14648     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14649       DrawLineElement(sx2, sy2, element, change_level);
14650   }
14651
14652   for (y = 0; y <= radius; y++)
14653   {
14654     int sx, sy, sx2, sy2, lx, ly;
14655
14656     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14657
14658     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14659     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14660     sx = getLoResScreenPos(sx2);
14661     sy = getLoResScreenPos(sy2);
14662     lx = sx + level_xpos;
14663     ly = sy + level_ypos;
14664
14665     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14666       DrawLineElement(sx2, sy2, element, change_level);
14667   }
14668 }
14669
14670 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14671                     int element, boolean change_level)
14672 {
14673   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14674   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14675
14676   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14677 }
14678
14679 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14680
14681 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14682 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14683                        int element, boolean change_level)
14684 {
14685   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14686   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14687   int mirror_to_x2 = from_x - (to_x2 - from_x);
14688   int mirror_to_y2 = from_y - (to_y2 - from_y);
14689
14690   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14691   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14692   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14693   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14694 }
14695 #endif
14696
14697 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14698 {
14699   int from_sx, from_sy;
14700   int to_sx, to_sy;
14701
14702   if (from_x > to_x)
14703     swap_numbers(&from_x, &to_x);
14704
14705   if (from_y > to_y)
14706     swap_numbers(&from_y, &to_y);
14707
14708   from_sx = SX + from_x * ed_tilesize;
14709   from_sy = SY + from_y * ed_tilesize;
14710   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14711   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14712
14713   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14714   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14715   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14716   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14717
14718   if (from_x == to_x && from_y == to_y)
14719     MarkTileDirty(from_x/2, from_y/2);
14720   else
14721     redraw_mask |= REDRAW_FIELD;
14722 }
14723
14724 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14725                         int element, boolean change_level)
14726 {
14727   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14728 }
14729
14730 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14731                        int element, boolean change_level)
14732 {
14733   if (element == -1 || change_level)
14734     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14735   else
14736     DrawAreaBorder(from_x, from_y, to_x, to_y);
14737 }
14738
14739 // values for CopyBrushExt()
14740 #define CB_AREA_TO_BRUSH                0
14741 #define CB_BRUSH_TO_CURSOR              1
14742 #define CB_BRUSH_TO_LEVEL               2
14743 #define CB_DELETE_OLD_CURSOR            3
14744 #define CB_DUMP_BRUSH                   4
14745 #define CB_DUMP_BRUSH_SMALL             5
14746 #define CB_CLIPBOARD_TO_BRUSH           6
14747 #define CB_BRUSH_TO_CLIPBOARD           7
14748 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14749 #define CB_UPDATE_BRUSH_POSITION        9
14750 #define CB_FLIP_BRUSH_X                 10
14751 #define CB_FLIP_BRUSH_Y                 11
14752 #define CB_FLIP_BRUSH_XY                12
14753
14754 #define MAX_CB_PART_SIZE        10
14755 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14756 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14757 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14758                                  MAX_CB_NUM_LINES *     \
14759                                  MAX_CB_PART_SIZE)
14760
14761 static int getFlippedTileExt(int map[], int element)
14762 {
14763   int i;
14764
14765   for (i = 0; map[i] != -1; i++)
14766     if (map[i] == element)
14767       return map[i ^ 1];        // get flipped element by flipping LSB of index
14768
14769   return element;
14770 }
14771
14772 static int getFlippedTileX(int element)
14773 {
14774   int map[] =
14775   {
14776     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14777     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14778     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14779     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14780     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14781     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14782     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14783     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14784     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14785     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14786     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14787     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14788     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14789     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14790     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14791     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14792     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14793     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14794     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14795     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14796     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14797     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14798     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14799     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14800     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14801     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14802     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14803     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14804     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14805     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14806
14807     -1
14808   };
14809
14810   return getFlippedTileExt(map, element);
14811 }
14812
14813 static int getFlippedTileY(int element)
14814 {
14815   int map[] =
14816   {
14817     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14818     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14819     EL_BUG_UP,                          EL_BUG_DOWN,
14820     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14821     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14822     EL_ARROW_UP,                        EL_ARROW_DOWN,
14823     EL_MOLE_UP,                         EL_MOLE_DOWN,
14824     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14825     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14826     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14827     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14828     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14829     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14830     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14831     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14832     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14833     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14834     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14835     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14836     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14837     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14838     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14839     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14840     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14841
14842     -1
14843   };
14844
14845   return getFlippedTileExt(map, element);
14846 }
14847
14848 static int getFlippedTileXY(int element)
14849 {
14850   int map[] =
14851   {
14852     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14853     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14854     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14855     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14856     EL_BUG_LEFT,                        EL_BUG_UP,
14857     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14858     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14859     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14860     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14861     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14862     EL_ARROW_LEFT,                      EL_ARROW_UP,
14863     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14864     EL_MOLE_LEFT,                       EL_MOLE_UP,
14865     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14866     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14867     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14868     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14869     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14870     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14871     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14872     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14873     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14874     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14875     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14876     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14877     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14878     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14879     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14880     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14881     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14882     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14883     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14884     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14885     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14886     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14887     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14888     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14889     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14890     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14891     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14892     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14893     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14894
14895     -1
14896   };
14897
14898   return getFlippedTileExt(map, element);
14899 }
14900
14901 static int getFlippedTile(int element, int mode)
14902 {
14903   if (IS_MM_ELEMENT(element))
14904   {
14905     // get MM game element
14906     element = map_element_RND_to_MM(element);
14907
14908     // get flipped game element
14909     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14910                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14911                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14912                element);
14913
14914     // get RND game element again
14915     element = map_element_MM_to_RND(element);
14916   }
14917   else
14918   {
14919     // get flipped game element
14920     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14921                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14922                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14923                element);
14924   }
14925
14926   return element;
14927 }
14928
14929 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14930 {
14931   // flip tiles
14932   short tile1_flipped = getFlippedTile(*tile1, mode);
14933   short tile2_flipped = getFlippedTile(*tile2, mode);
14934
14935   // swap tiles
14936   *tile1 = tile2_flipped;
14937   *tile2 = tile1_flipped;
14938 }
14939
14940 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14941 {
14942   DrawLineElement(sx, sy, element, change_level);
14943 }
14944
14945 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14946                          int button, int mode)
14947 {
14948   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14949   static int brush_width, brush_height;
14950   static int last_cursor_x = -1, last_cursor_y = -1;
14951   static boolean delete_old_brush = FALSE;
14952   int new_element = BUTTON_ELEMENT(button);
14953   int x, y;
14954
14955   if (mode == CB_DUMP_BRUSH ||
14956       mode == CB_DUMP_BRUSH_SMALL ||
14957       mode == CB_BRUSH_TO_CLIPBOARD ||
14958       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14959   {
14960     if (edit_mode != ED_MODE_DRAWING)
14961       return;
14962
14963     char part[MAX_CB_PART_SIZE + 1] = "";
14964     char text[MAX_CB_TEXT_SIZE + 1] = "";
14965     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14966     int height = (draw_with_brush ? brush_height : lev_fieldy);
14967     char *format = "%s%03d";
14968
14969     for (y = 0; y < height; y++)
14970       for (x = 0; x < width; x++)
14971         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14972           format = "%s%04d";
14973
14974     for (y = 0; y < height; y++)
14975     {
14976       for (x = 0; x < width; x++)
14977       {
14978         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14979         char *prefix = (mode == CB_DUMP_BRUSH ||
14980                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14981
14982         if (element >= NUM_FILE_ELEMENTS)
14983           element = EL_UNKNOWN;
14984
14985         // copy brush to level sketch text buffer for the R'n'D forum:
14986         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14987         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14988         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14989         strcat(text, part);
14990       }
14991
14992       strcat(text, "\n");
14993     }
14994
14995     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14996         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14997       SDL_SetClipboardText(text);
14998     else
14999       Print("%s", text);        // print brush data to console and log file
15000
15001     return;
15002   }
15003
15004   if (mode == CB_CLIPBOARD_TO_BRUSH)
15005   {
15006     if (edit_mode != ED_MODE_DRAWING)
15007       return;
15008
15009     if (!SDL_HasClipboardText())
15010     {
15011       Request("Clipboard is empty!", REQ_CONFIRM);
15012
15013       return;
15014     }
15015
15016     boolean copy_to_brush = (draw_with_brush ||
15017                              drawing_function == GADGET_ID_GRAB_BRUSH);
15018
15019     // this will delete the old brush, if already drawing with a brush
15020     if (copy_to_brush)
15021       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
15022
15023     // initialization is required for "odd" (incomplete) clipboard content
15024     for (x = 0; x < MAX_LEV_FIELDX; x++)
15025       for (y = 0; y < MAX_LEV_FIELDY; y++)
15026         brush_buffer[x][y] = EL_EMPTY;
15027
15028     brush_width  = 0;
15029     brush_height = 0;
15030     x = 0;
15031     y = 0;
15032
15033     char *clipboard_text = SDL_GetClipboardText();
15034     char *ptr = clipboard_text;
15035     boolean allow_new_row = FALSE;
15036     boolean stop = FALSE;
15037
15038     while (*ptr && !stop)
15039     {
15040       boolean prefix_found = FALSE;
15041       boolean start_new_row = FALSE;
15042
15043       // level sketch element number prefixes (may be multi-byte characters)
15044       char *prefix_list[] = { "`", "¸" };
15045       int i;
15046
15047       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
15048       {
15049         char *prefix = prefix_list[i];
15050
15051         // check if string is large enough for prefix
15052         if (strlen(ptr) < strlen(prefix))
15053         {
15054           stop = TRUE;
15055
15056           break;
15057         }
15058
15059         // check if string starts with prefix
15060         if (strPrefix(ptr, prefix))
15061         {
15062           ptr += strlen(prefix);
15063
15064           prefix_found = TRUE;
15065
15066           break;
15067         }
15068       }
15069
15070       // check if prefix found and followed by (at least) three digits
15071       if (prefix_found &&
15072           strlen(ptr) >= 3 &&
15073           ptr[0] >= '0' && ptr[0] <= '9' &&
15074           ptr[1] >= '0' && ptr[1] <= '9' &&
15075           ptr[2] >= '0' && ptr[2] <= '9')
15076       {
15077         int element = ((ptr[0] - '0') * 100 +
15078                        (ptr[1] - '0') * 10 +
15079                        (ptr[2] - '0'));
15080
15081         ptr += 3;
15082
15083         // level sketch element number might consist of four digits
15084         if (ptr[0] >= '0' && ptr[0] <= '9')
15085         {
15086           element = element * 10 + (ptr[0] - '0');
15087           ptr++;
15088         }
15089
15090         // remap some (historic, now obsolete) elements
15091         element = getMappedElement(element);
15092
15093         if (element >= NUM_FILE_ELEMENTS)
15094           element = EL_UNKNOWN;
15095
15096         brush_buffer[x][y] = element;
15097
15098         brush_width  = MAX(x + 1, brush_width);
15099         brush_height = MAX(y + 1, brush_height);
15100
15101         x++;
15102
15103         if (x >= MAX_LEV_FIELDX)
15104           start_new_row = TRUE;
15105
15106         allow_new_row = TRUE;
15107       }
15108       else
15109       {
15110         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
15111           start_new_row = TRUE;
15112
15113         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
15114       }
15115
15116       if (start_new_row)
15117       {
15118         x = 0;
15119         y++;
15120
15121         if (y >= MAX_LEV_FIELDY)
15122           stop = TRUE;
15123
15124         allow_new_row = FALSE;
15125       }
15126     }
15127
15128     SDL_free(clipboard_text);
15129
15130     if (brush_width == 0 || brush_height == 0)
15131     {
15132       Request("No level sketch found in clipboard!", REQ_CONFIRM);
15133
15134       return;
15135     }
15136
15137     if (copy_to_brush)
15138     {
15139       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
15140       int mx, my;
15141
15142       SDL_GetMouseState(&mx, &my);
15143
15144       // if inside drawing area, activate and draw brush at last mouse position
15145       if (mx >= gi->x && mx < gi->x + gi->width &&
15146           my >= gi->y && my < gi->y + gi->height)
15147         CopyBrushToCursor(last_cursor_x, last_cursor_y);
15148
15149       draw_with_brush = TRUE;
15150     }
15151     else
15152     {
15153       char request[100];
15154
15155       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
15156               brush_width, brush_height);
15157
15158       if (!Request(request, REQ_ASK))
15159         return;
15160
15161       for (x = 0; x < MAX_LEV_FIELDX; x++)
15162         for (y = 0; y < MAX_LEV_FIELDY; y++)
15163           Tile[x][y] = brush_buffer[x][y];
15164
15165       lev_fieldx = level.fieldx = brush_width;
15166       lev_fieldy = level.fieldy = brush_height;
15167
15168       boolean use_bd_engine = TRUE;
15169       boolean use_em_engine = TRUE;
15170       boolean use_sp_engine = TRUE;
15171       boolean use_mm_engine = TRUE;
15172
15173       for (x = 0; x < MAX_LEV_FIELDX; x++)
15174       {
15175         for (y = 0; y < MAX_LEV_FIELDY; y++)
15176         {
15177           int element = Tile[x][y];
15178
15179           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
15180             use_bd_engine = FALSE;
15181
15182           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
15183             use_em_engine = FALSE;
15184
15185           if (!IS_SP_ELEMENT(element))
15186             use_sp_engine = FALSE;
15187
15188           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
15189             use_mm_engine = FALSE;
15190         }
15191       }
15192
15193       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
15194                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
15195                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
15196                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
15197                                 GAME_ENGINE_TYPE_RND);
15198
15199       // update element selection list
15200       ReinitializeElementList();
15201       ModifyEditorElementList();
15202
15203       SetBorderElement();
15204
15205       DrawEditModeWindow();
15206       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15207     }
15208
15209     return;
15210   }
15211
15212   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
15213     return;
15214
15215   if (mode == CB_AREA_TO_BRUSH)
15216   {
15217     int from_lx, from_ly;
15218
15219     if (from_x > to_x)
15220       swap_numbers(&from_x, &to_x);
15221
15222     if (from_y > to_y)
15223       swap_numbers(&from_y, &to_y);
15224
15225     brush_width = to_x - from_x + 1;
15226     brush_height = to_y - from_y + 1;
15227
15228     from_lx = from_x + level_xpos;
15229     from_ly = from_y + level_ypos;
15230
15231     for (y = 0; y < brush_height; y++)
15232     {
15233       for (x = 0; x < brush_width; x++)
15234       {
15235         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
15236
15237         if (button != 1)
15238           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
15239       }
15240     }
15241
15242     if (button != 1)
15243       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15244
15245     delete_old_brush = FALSE;
15246   }
15247   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
15248            mode == CB_BRUSH_TO_LEVEL)
15249   {
15250     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
15251     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
15252     int cursor_from_x = cursor_x - brush_width / 2;
15253     int cursor_from_y = cursor_y - brush_height / 2;
15254     int border_from_x = cursor_x, border_from_y = cursor_y;
15255     int border_to_x = cursor_x, border_to_y = cursor_y;
15256
15257     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
15258       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15259
15260     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
15261         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
15262     {
15263       delete_old_brush = FALSE;
15264
15265       return;
15266     }
15267
15268     for (y = 0; y < brush_height; y++)
15269     {
15270       for (x = 0; x < brush_width; x++)
15271       {
15272         int sx = cursor_from_x + x;
15273         int sy = cursor_from_y + y;
15274         int lx = sx + level_xpos;
15275         int ly = sy + level_ypos;
15276         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
15277         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
15278                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
15279                        brush_buffer[x][y] : new_element);
15280
15281         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15282         {
15283           if (sx < border_from_x)
15284             border_from_x = sx;
15285           else if (sx > border_to_x)
15286             border_to_x = sx;
15287           if (sy < border_from_y)
15288             border_from_y = sy;
15289           else if (sy > border_to_y)
15290             border_to_y = sy;
15291
15292           DrawBrushElement(sx, sy, element, change_level);
15293         }
15294       }
15295     }
15296
15297     if (mode != CB_DELETE_OLD_CURSOR)
15298       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
15299
15300     last_cursor_x = cursor_x;
15301     last_cursor_y = cursor_y;
15302
15303     delete_old_brush = TRUE;
15304   }
15305   else if (mode == CB_FLIP_BRUSH_X)
15306   {
15307     for (y = 0; y < brush_height; y++)
15308       for (x = 0; x < (brush_width + 1) / 2; x++)
15309         SwapFlippedTiles(&brush_buffer[x][y],
15310                          &brush_buffer[brush_width - x - 1][y], mode);
15311
15312     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15313   }
15314   else if (mode == CB_FLIP_BRUSH_Y)
15315   {
15316     for (y = 0; y < (brush_height + 1) / 2; y++)
15317       for (x = 0; x < brush_width; x++)
15318         SwapFlippedTiles(&brush_buffer[x][y],
15319                          &brush_buffer[x][brush_height - y - 1], mode);
15320
15321     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15322   }
15323   else if (mode == CB_FLIP_BRUSH_XY)
15324   {
15325     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15326
15327     for (y = 0; y < MAX(brush_width, brush_height); y++)
15328       for (x = 0; x <= y; x++)
15329         SwapFlippedTiles(&brush_buffer[x][y],
15330                          &brush_buffer[y][x], mode);
15331
15332     swap_numbers(&brush_width, &brush_height);
15333
15334     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15335   }
15336
15337   if (mode == CB_UPDATE_BRUSH_POSITION)
15338   {
15339     last_cursor_x = from_x;
15340     last_cursor_y = from_y;
15341   }
15342 }
15343
15344 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
15345                             int button)
15346 {
15347   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
15348 }
15349
15350 static void CopyBrushToLevel(int x, int y, int button)
15351 {
15352   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
15353 }
15354
15355 static void CopyBrushToCursor(int x, int y)
15356 {
15357   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15358 }
15359
15360 static void UpdateBrushPosition(int x, int y)
15361 {
15362   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
15363 }
15364
15365 static void DeleteBrushFromCursor(void)
15366 {
15367   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15368 }
15369
15370 static void FlipBrushX(void)
15371 {
15372   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15373 }
15374
15375 static void FlipBrushY(void)
15376 {
15377   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
15378 }
15379
15380 static void RotateBrush(void)
15381 {
15382   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
15383   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15384 }
15385
15386 void DumpBrush(void)
15387 {
15388   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
15389 }
15390
15391 void DumpBrush_Small(void)
15392 {
15393   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
15394 }
15395
15396 void CopyClipboardToBrush(void)
15397 {
15398   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
15399 }
15400
15401 void CopyBrushToClipboard(void)
15402 {
15403   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
15404 }
15405
15406 void CopyBrushToClipboard_Small(void)
15407 {
15408   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
15409 }
15410
15411 void UndoLevelEditorOperation(void)
15412 {
15413   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
15414 }
15415
15416 void RedoLevelEditorOperation(void)
15417 {
15418   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15419 }
15420
15421 static void FloodFill(int from_x, int from_y, int fill_element)
15422 {
15423   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
15424 }
15425
15426 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
15427 {
15428   int from_x = from_sx2 + 2 * level_xpos;
15429   int from_y = from_sy2 + 2 * level_ypos;
15430   int max_fillx = lev_fieldx * 2;
15431   int max_filly = lev_fieldy * 2;
15432   short Fill[max_fillx][max_filly];
15433   int x, y;
15434
15435   for (x = 0; x < max_fillx; x++)
15436     for (y = 0; y < max_filly; y++)
15437       Fill[x][y] = getLevelElementHiRes(x, y);
15438
15439   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
15440                     Fill, max_fillx, max_filly);
15441
15442   for (x = 0; x < max_fillx; x++)
15443     for (y = 0; y < max_filly; y++)
15444       if (Fill[x][y] == fill_element)
15445         SetLevelElementHiRes(x, y, Fill[x][y]);
15446 }
15447
15448 // values for DrawLevelText() modes
15449 #define TEXT_INIT               0
15450 #define TEXT_SETCURSOR          1
15451 #define TEXT_WRITECHAR          2
15452 #define TEXT_BACKSPACE          3
15453 #define TEXT_NEWLINE            4
15454 #define TEXT_END                5
15455 #define TEXT_QUERY_TYPING       6
15456
15457 static int DrawLevelText(int sx, int sy, char letter, int mode)
15458 {
15459   static short delete_buffer[MAX_LEV_FIELDX];
15460   static int start_sx;
15461   static int last_sx, last_sy;
15462   static boolean typing = FALSE;
15463   int letter_element;
15464   int lx = 0, ly = 0;
15465
15466   // map lower case letters to upper case and convert special characters
15467   if (letter >= 'a' && letter <= 'z')
15468     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
15469   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
15470     letter_element = EL_CHAR_AUMLAUT;
15471   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
15472     letter_element = EL_CHAR_OUMLAUT;
15473   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
15474     letter_element = EL_CHAR_UUMLAUT;
15475   else if (letter == '^')
15476     letter_element = EL_CHAR_COPYRIGHT;
15477   else
15478     letter_element = EL_CHAR_ASCII0 + letter;
15479
15480   if (mode != TEXT_INIT)
15481   {
15482     if (!typing)
15483       return FALSE;
15484
15485     if (mode != TEXT_SETCURSOR)
15486     {
15487       sx = last_sx;
15488       sy = last_sy;
15489     }
15490
15491     lx = last_sx + level_xpos;
15492     ly = last_sy + level_ypos;
15493   }
15494
15495   switch (mode)
15496   {
15497     case TEXT_INIT:
15498       if (typing)
15499         DrawLevelText(0, 0, 0, TEXT_END);
15500
15501       typing = TRUE;
15502       start_sx = sx;
15503       last_sx = sx;
15504       last_sy = sy;
15505       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
15506       break;
15507
15508     case TEXT_SETCURSOR:
15509       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
15510       DrawAreaBorder(sx, sy, sx, sy);
15511       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
15512                      ed_tilesize, ed_tilesize);
15513       last_sx = sx;
15514       last_sy = sy;
15515       break;
15516
15517     case TEXT_WRITECHAR:
15518       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
15519       {
15520         if (new_element1 >= EL_STEEL_CHAR_START &&
15521             new_element1 <= EL_STEEL_CHAR_END)
15522           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
15523
15524         delete_buffer[sx - start_sx] = Tile[lx][ly];
15525         Tile[lx][ly] = letter_element;
15526
15527         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
15528           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
15529         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15530           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15531         else
15532           DrawLevelText(0, 0, 0, TEXT_END);
15533
15534         level.changed = TRUE;
15535       }
15536       break;
15537
15538     case TEXT_BACKSPACE:
15539       if (sx > start_sx)
15540       {
15541         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
15542         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
15543         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
15544       }
15545       break;
15546
15547     case TEXT_NEWLINE:
15548       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15549         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15550       else
15551         DrawLevelText(0, 0, 0, TEXT_END);
15552       break;
15553
15554     case TEXT_END:
15555       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15556       DrawEditorElement(sx, sy, Tile[lx][ly]);
15557       StopTextInput();
15558       typing = FALSE;
15559       break;
15560
15561     case TEXT_QUERY_TYPING:
15562       break;
15563
15564     default:
15565       break;
15566   }
15567
15568   return typing;
15569 }
15570
15571 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15572                           int element, boolean change_level)
15573 {
15574   int lx = sx + level_xpos;
15575   int ly = sy + level_ypos;
15576
15577   if (element == -1)
15578     DrawEditorElement(sx, sy, Tile[lx][ly]);
15579   else
15580     DrawAreaBorder(sx, sy, sx, sy);
15581 }
15582
15583 static void CheckLevelBorderElement(boolean redraw_playfield)
15584 {
15585   int last_border_element = BorderElement;
15586
15587   SetBorderElement();
15588
15589   if (redraw_playfield && BorderElement != last_border_element)
15590     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15591 }
15592
15593 static void CopyLevelToUndoBuffer(int mode)
15594 {
15595   static boolean accumulated_undo = FALSE;
15596   boolean new_undo_buffer_position = TRUE;
15597   int x, y;
15598
15599   if (undo_buffer_steps == 0)
15600     accumulated_undo = FALSE;
15601
15602   switch (mode)
15603   {
15604     case UNDO_IMMEDIATE:
15605       accumulated_undo = FALSE;
15606       break;
15607
15608     case UNDO_ACCUMULATE:
15609       if (accumulated_undo)
15610         new_undo_buffer_position = FALSE;
15611       accumulated_undo = TRUE;
15612       break;
15613
15614     default:
15615       break;
15616   }
15617
15618   if (new_undo_buffer_position)
15619   {
15620     // advance position in undo buffer ring
15621     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15622
15623     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15624       undo_buffer_steps++;
15625   }
15626
15627   // always reset redo buffer when storing level change into undo buffer
15628   redo_buffer_steps = 0;
15629
15630   for (x = 0; x < lev_fieldx; x++)
15631     for (y = 0; y < lev_fieldy; y++)
15632       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15633
15634   // check if drawing operation forces change of border style
15635   CheckLevelBorderElement(TRUE);
15636
15637   level.changed = TRUE;
15638 }
15639
15640 static void RandomPlacement(int new_element)
15641 {
15642   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15643   int num_free_positions = 0;
15644   int num_percentage, num_elements;
15645   int x, y;
15646
15647   ResetIntelliDraw();
15648
15649   // determine number of free positions for randomly placing the new element
15650   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15651   {
15652     free_position[x][y] =
15653       (random_placement_background_restricted ?
15654        Tile[x][y] == random_placement_background_element :
15655        Tile[x][y] != new_element);
15656
15657     if (free_position[x][y])
15658       num_free_positions++;
15659   }
15660
15661   // determine number of new elements to place there
15662   num_percentage = num_free_positions * random_placement_value / 100;
15663   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15664                   num_percentage : random_placement_value);
15665
15666   // if less free positions than elements to place, fill all these positions
15667   if (num_free_positions < num_elements)
15668   {
15669     for (x = 0; x < lev_fieldx; x++)
15670       for (y = 0; y < lev_fieldy; y++)
15671         if (free_position[x][y])
15672           SetElement(x, y, new_element);
15673   }
15674   else
15675   {
15676     while (num_elements > 0)
15677     {
15678       x = GetSimpleRandom(lev_fieldx);
15679       y = GetSimpleRandom(lev_fieldy);
15680
15681       // don't place element at the same position twice
15682       if (free_position[x][y])
15683       {
15684         free_position[x][y] = FALSE;
15685         SetElement(x, y, new_element);
15686         num_elements--;
15687       }
15688     }
15689   }
15690
15691   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15692   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15693 }
15694
15695 static void WrapLevel(int dx, int dy)
15696 {
15697   int wrap_dx = lev_fieldx - dx;
15698   int wrap_dy = lev_fieldy - dy;
15699   int x, y;
15700
15701   for (x = 0; x < lev_fieldx; x++)
15702     for (y = 0; y < lev_fieldy; y++)
15703       TileBackup[x][y] = Tile[x][y];
15704
15705   for (x = 0; x < lev_fieldx; x++)
15706     for (y = 0; y < lev_fieldy; y++)
15707       Tile[x][y] =
15708         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15709
15710   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15711   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15712 }
15713
15714 static void DrawAreaElementHighlight(boolean highlighted,
15715                                      boolean highlighted_similar)
15716 {
15717   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15718
15719   if (!highlighted)
15720     return;
15721
15722   int x, y;
15723
15724   for (x = 0; x < ed_fieldx; x++)
15725   {
15726     for (y = 0; y < ed_fieldy; y++)
15727     {
15728       boolean highlight = FALSE;
15729       int lx = x + level_xpos;
15730       int ly = y + level_ypos;
15731
15732       if (!IN_LEV_FIELD(lx, ly))
15733         continue;
15734
15735       // check if element is the same
15736       if (Tile[lx][ly] == new_element1)
15737         highlight = TRUE;
15738
15739       // check if element is similar
15740       if (highlighted_similar &&
15741           strEqual(element_info[Tile[lx][ly]].class_name,
15742                    element_info[new_element1].class_name))
15743         highlight = TRUE;
15744
15745       // check if element is matching MM style wall
15746       if (IS_MM_WALL(Tile[lx][ly]) &&
15747           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15748         highlight = TRUE;
15749
15750       if (!highlight)
15751         continue;
15752
15753       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15754       {
15755         int i;
15756
15757         for (i = 0; i < 4; i++)
15758         {
15759           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15760             continue;
15761
15762           int xx = x * 2 + (i % 2);
15763           int yy = y * 2 + (i / 2);
15764           int sx = SX + xx * ed_tilesize / 2;
15765           int sy = SY + yy * ed_tilesize / 2;
15766           int from_sx = sx;
15767           int from_sy = sy;
15768           int to_sx = sx + ed_tilesize / 2 - 1;
15769           int to_sy = sy + ed_tilesize / 2 - 1;
15770
15771           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15772           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15773           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15774           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15775         }
15776       }
15777       else
15778       {
15779         int sx = SX + x * ed_tilesize;
15780         int sy = SY + y * ed_tilesize;
15781         int from_sx = sx;
15782         int from_sy = sy;
15783         int to_sx = sx + ed_tilesize - 1;
15784         int to_sy = sy + ed_tilesize - 1;
15785
15786         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15787         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15788         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15789         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15790       }
15791     }
15792   }
15793 }
15794
15795 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15796 {
15797   char *template_filename_old = getLocalLevelTemplateFilename();
15798   char *template_filename_new =
15799     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15800
15801   if (copyFile(template_filename_old, template_filename_new) != 0)
15802     Request("Cannot copy level template!", REQ_CONFIRM);
15803
15804   free(template_filename_new);
15805 }
15806
15807 static void HandleDrawingAreas(struct GadgetInfo *gi)
15808 {
15809   static boolean started_inside_drawing_area = FALSE;
15810   static int last_sx = -1;
15811   static int last_sy = -1;
15812   static int last_sx2 = -1;
15813   static int last_sy2 = -1;
15814   int id = gi->custom_id;
15815   int type_id = gi->custom_type_id;
15816   boolean button_press_event;
15817   boolean button_release_event;
15818   boolean inside_drawing_area = !gi->event.off_borders;
15819   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15820   int actual_drawing_function;
15821   int button = gi->event.button;
15822   int new_element = BUTTON_ELEMENT(button);
15823   int sx = gi->event.x, sy = gi->event.y;
15824   int min_sx = 0, min_sy = 0;
15825   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15826   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15827   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15828   int sx2 = gi->event.mx / mini_item_xsize;
15829   int sy2 = gi->event.my / mini_item_ysize;
15830   int dx = sx2 % 2;
15831   int dy = sy2 % 2;
15832   int lx = 0, ly = 0;
15833   int x, y;
15834
15835   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15836   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15837
15838   // make sure to stay inside drawing area boundaries
15839   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15840   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15841
15842   if (draw_level)
15843   {
15844     int min_lx = 0, min_ly = 0;
15845     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15846
15847     // get positions inside level field
15848     lx = sx + level_xpos;
15849     ly = sy + level_ypos;
15850
15851     if (!IN_LEV_FIELD(lx, ly))
15852       inside_drawing_area = FALSE;
15853
15854     // make sure to stay inside level field boundaries
15855     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15856     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15857
15858     // correct drawing area positions accordingly
15859     sx = lx - level_xpos;
15860     sy = ly - level_ypos;
15861   }
15862
15863   // also correct MM wall-sized (double) drawing area positions accordingly
15864   if (sx2 / 2 < sx || sx2 / 2 > sx)
15865   {
15866     dx = (sx2 / 2 < sx ? 0 : 1);
15867     sx2 = sx * 2 + dx;
15868   }
15869   if (sy2 / 2 < sy || sy2 / 2 > sy)
15870   {
15871     dy = (sy2 / 2 < sy ? 0 : 1);
15872     sy2 = sy * 2 + dy;
15873   }
15874
15875   if (!button_press_event && !button_release_event)
15876   {
15877     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15878     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15879                              isHiresTileElement(old_element) &&
15880                              isHiresDrawElement(new_element));
15881
15882     // prevent handling events for every pixel position when moving mouse
15883     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15884         (sx2 == last_sx2 && sy2 == last_sy2))
15885       return;
15886   }
15887
15888   last_sx = sx;
15889   last_sy = sy;
15890   last_sx2 = sx2;
15891   last_sy2 = sy2;
15892
15893   if (button_press_event)
15894     started_inside_drawing_area = inside_drawing_area;
15895
15896   if (!started_inside_drawing_area)
15897     return;
15898
15899   if (!IS_VALID_BUTTON(button))
15900     return;
15901
15902   // handle info callback for each invocation of action callback
15903   gi->callback_info(gi);
15904
15905   // automatically switch to 'single item' drawing mode, if needed
15906   actual_drawing_function =
15907     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15908      drawing_function : GADGET_ID_SINGLE_ITEMS);
15909
15910   // clicking into drawing area with pressed Control key picks element
15911   if (GetKeyModState() & KMOD_Control)
15912   {
15913     last_drawing_function = drawing_function;
15914     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15915   }
15916
15917   if (GetKeyModState() & KMOD_Shift)
15918   {
15919     if (button_press_event || button_release_event)
15920       ResetIntelliDraw();
15921   }
15922
15923   SetDrawModeHiRes(-1);         // reset to normal draw mode
15924
15925   switch (actual_drawing_function)
15926   {
15927     case GADGET_ID_SINGLE_ITEMS:
15928       if (draw_level)
15929       {
15930         if (button_release_event)
15931         {
15932           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15933
15934           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15935               !inside_drawing_area)
15936             DeleteBrushFromCursor();
15937
15938           break;
15939         }
15940
15941         if (draw_with_brush)
15942         {
15943           CopyBrushToLevel(sx, sy, button);
15944         }
15945         else
15946         {
15947           SetDrawModeHiRes(new_element);
15948
15949           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15950           {
15951             // remove player at old position
15952             for (y = 0; y < lev_fieldy; y++)
15953             {
15954               for (x = 0; x < lev_fieldx; x++)
15955               {
15956                 int old_element = Tile[x][y];
15957
15958                 if (IS_PLAYER_ELEMENT(old_element) &&
15959                     IS_PLAYER_ELEMENT(new_element))
15960                 {
15961                   int replaced_with_element =
15962                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15963                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15964
15965                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15966                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15967
15968                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15969                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15970
15971                      new_element >= EL_PLAYER_1 &&
15972                      new_element <= EL_PLAYER_4 &&
15973                      new_element == old_element ? EL_EMPTY :
15974
15975                      old_element);
15976
15977                   SetElement(x, y, replaced_with_element);
15978                 }
15979                 else if (IS_MM_MCDUFFIN(old_element) &&
15980                          IS_MM_MCDUFFIN(new_element))
15981                 {
15982                   // remove McDuffin at old position
15983                   SetElement(x, y, EL_EMPTY);
15984                 }
15985               }
15986             }
15987           }
15988
15989           SetElementButton(lx, ly, dx, dy, new_element, button);
15990         }
15991       }
15992       else if (!button_release_event)
15993       {
15994         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15995
15996         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15997           DrawMiniGraphicExt(drawto,
15998                              gi->x + sx * MINI_TILEX,
15999                              gi->y + sy * MINI_TILEY,
16000                              el2edimg(new_element));
16001         else
16002           DrawFixedGraphicExt(drawto,
16003                               gi->x + sx * TILEX,
16004                               gi->y + sy * TILEY,
16005                               el2edimg(new_element), 0);
16006
16007         if (id == GADGET_ID_CUSTOM_GRAPHIC)
16008           new_element = GFX_ELEMENT(new_element);
16009
16010         drawingarea_info[type_id].value[pos] = new_element;
16011
16012         CopyElementPropertiesToGame(properties_element);
16013
16014         if (id == GADGET_ID_CUSTOM_GRAPHIC)
16015         {
16016           UpdateCustomElementGraphicGadgets();
16017
16018           FrameCounter = 0;     // restart animation frame counter
16019         }
16020       }
16021       break;
16022
16023     case GADGET_ID_CONNECTED_ITEMS:
16024       {
16025         static int last_sx = -1;
16026         static int last_sy = -1;
16027
16028         if (button_release_event)
16029           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16030
16031         SetDrawModeHiRes(new_element);
16032
16033         if (getDrawModeHiRes())
16034         {
16035           sx = sx2;
16036           sy = sy2;
16037         }
16038
16039         if (!button_press_event)
16040           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
16041
16042         last_sx = sx;
16043         last_sy = sy;
16044       }
16045       break;
16046
16047     case GADGET_ID_LINE:
16048     case GADGET_ID_ARC:
16049     case GADGET_ID_RECTANGLE:
16050     case GADGET_ID_FILLED_BOX:
16051       SetDrawModeHiRes(new_element);
16052
16053       if (getDrawModeHiRes())
16054       {
16055         sx = sx2;
16056         sy = sy2;
16057       }
16058       // FALLTHROUGH
16059     case GADGET_ID_GRAB_BRUSH:
16060     case GADGET_ID_TEXT:
16061       {
16062         static int last_sx = -1;
16063         static int last_sy = -1;
16064         static int start_sx = -1;
16065         static int start_sy = -1;
16066         void (*draw_func)(int, int, int, int, int, boolean);
16067
16068         if (drawing_function == GADGET_ID_LINE)
16069           draw_func = DrawLine;
16070         else if (drawing_function == GADGET_ID_ARC)
16071           draw_func = DrawArc;
16072         else if (drawing_function == GADGET_ID_RECTANGLE)
16073           draw_func = DrawBox;
16074         else if (drawing_function == GADGET_ID_FILLED_BOX)
16075           draw_func = DrawFilledBox;
16076         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
16077           draw_func = SelectArea;
16078         else // (drawing_function == GADGET_ID_TEXT)
16079           draw_func = SetTextCursor;
16080
16081         if (button_press_event)
16082         {
16083           draw_func(sx, sy, sx, sy, new_element, FALSE);
16084           start_sx = last_sx = sx;
16085           start_sy = last_sy = sy;
16086
16087           if (drawing_function == GADGET_ID_TEXT)
16088             DrawLevelText(0, 0, 0, TEXT_END);
16089         }
16090         else if (button_release_event)
16091         {
16092           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
16093           if (drawing_function == GADGET_ID_GRAB_BRUSH)
16094           {
16095             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
16096             CopyBrushToCursor(sx, sy);
16097             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16098                           MB_LEFTBUTTON);
16099             draw_with_brush = TRUE;
16100           }
16101           else if (drawing_function == GADGET_ID_TEXT)
16102             DrawLevelText(sx, sy, 0, TEXT_INIT);
16103           else
16104             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16105         }
16106         else if (last_sx != sx || last_sy != sy)
16107         {
16108           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
16109           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
16110             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
16111           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
16112           last_sx = sx;
16113           last_sy = sy;
16114         }
16115       }
16116       break;
16117
16118     case GADGET_ID_FLOOD_FILL:
16119       if (button_press_event && Tile[lx][ly] != new_element)
16120       {
16121         if (IS_MM_WALL_EDITOR(new_element))
16122           FloodFillWall_MM(sx2, sy2, new_element);
16123         else
16124           FloodFill(lx, ly, new_element);
16125
16126         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16127         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16128       }
16129       break;
16130
16131     case GADGET_ID_PICK_ELEMENT:
16132       if (button_release_event)
16133         ClickOnGadget(level_editor_gadget[last_drawing_function],
16134                       MB_LEFTBUTTON);
16135       else if (draw_level)
16136         PickDrawingElement(button, Tile[lx][ly]);
16137       else
16138       {
16139         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16140
16141         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
16142       }
16143
16144     default:
16145       break;
16146   }
16147
16148   // do not mark level as modified for certain non-level-changing gadgets
16149   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
16150        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
16151       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
16152       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16153     return;
16154
16155   level.changed = TRUE;
16156 }
16157
16158 static void HandleCounterButtons(struct GadgetInfo *gi)
16159 {
16160   int gadget_id = gi->custom_id;
16161   int counter_id = gi->custom_type_id;
16162   int button = gi->event.button;
16163   int *counter_value = counterbutton_info[counter_id].value;
16164   int step = BUTTON_STEPSIZE(button) *
16165     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
16166
16167   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
16168   {
16169     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
16170     boolean released = (gi->event.type == GD_EVENT_RELEASED);
16171     boolean level_changed = LevelChanged();
16172
16173     if ((level_changed && pressed) || (!level_changed && released))
16174       return;
16175
16176     if (level_changed && !Request("Level has changed! Discard changes?",
16177                                   REQ_ASK))
16178     {
16179       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
16180         ModifyEditorCounterValue(counter_id, *counter_value);
16181
16182       return;
16183     }
16184   }
16185
16186   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
16187     *counter_value = gi->textinput.number_value;
16188   else
16189     ModifyEditorCounterValue(counter_id, *counter_value + step);
16190
16191   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
16192   {
16193     int last_game_engine_type = level.game_engine_type;
16194
16195     LoadLevel(level_nr);
16196     LoadScore(level_nr);
16197
16198     SaveLevelSetup_SeriesInfo();
16199
16200     TapeErase();
16201
16202     ResetUndoBuffer();
16203     DrawEditModeWindow();
16204
16205     if (level.game_engine_type != last_game_engine_type)
16206     {
16207       // update element selection list
16208       ReinitializeElementList();
16209       ModifyEditorElementList();
16210     }
16211
16212     return;
16213   }
16214
16215   switch (counter_id)
16216   {
16217     case ED_COUNTER_ID_YAMYAM_CONTENT:
16218       DrawYamYamContentAreas();
16219       break;
16220
16221     case ED_COUNTER_ID_BALL_CONTENT:
16222       DrawMagicBallContentAreas();
16223       break;
16224
16225     case ED_COUNTER_ID_ANDROID_CONTENT:
16226       DrawAndroidElementArea();
16227       break;
16228
16229     case ED_COUNTER_ID_GROUP_CONTENT:
16230       DrawGroupElementArea();
16231       CopyGroupElementPropertiesToGame(properties_element);
16232       break;
16233
16234     case ED_COUNTER_ID_INVENTORY_SIZE:
16235       DrawPlayerInitialInventoryArea(properties_element);
16236       break;
16237
16238     case ED_COUNTER_ID_MM_BALL_CONTENT:
16239       DrawMMBallContentArea();
16240       break;
16241
16242     case ED_COUNTER_ID_ENVELOPE_XSIZE:
16243     case ED_COUNTER_ID_ENVELOPE_YSIZE:
16244       DrawEnvelopeTextArea(-1);
16245       break;
16246
16247     case ED_COUNTER_ID_LEVEL_XSIZE:
16248     case ED_COUNTER_ID_LEVEL_YSIZE:
16249       lev_fieldx = level.fieldx;
16250       lev_fieldy = level.fieldy;
16251
16252       // check if resizing of level results in change of border border
16253       SetBorderElement();
16254
16255       break;
16256
16257     default:
16258       break;
16259   }
16260
16261   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
16262        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
16263       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
16264        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
16265     CopyElementPropertiesToGame(properties_element);
16266
16267   // do not mark level as modified for certain non-level-changing gadgets
16268   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
16269        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
16270       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
16271        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
16272     return;
16273
16274   level.changed = TRUE;
16275 }
16276
16277 static void HandleTextInputGadgets(struct GadgetInfo *gi)
16278 {
16279   int type_id = gi->custom_type_id;
16280
16281   strcpy(textinput_info[type_id].value, gi->textinput.value);
16282
16283   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
16284   {
16285     CopyElementPropertiesToGame(properties_element);
16286
16287     ModifyEditorElementList();  // update changed button info text
16288   }
16289   else if (type_id >= ED_TEXTINPUT_ID_COLORS_FIRST &&
16290            type_id <= ED_TEXTINPUT_ID_COLORS_LAST)
16291   {
16292     int pos = type_id - ED_TEXTINPUT_ID_COLORS_FIRST;
16293
16294     *bd_color[pos] = gd_color_get_from_string(bd_color_rgb[pos]);
16295   }
16296
16297   // do not mark level as modified for certain non-level-changing gadgets
16298   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
16299       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
16300     return;
16301
16302   level.changed = TRUE;
16303 }
16304
16305 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
16306 {
16307   int type_id = gi->custom_type_id;
16308
16309   strncpy(textarea_info[type_id].value, gi->textarea.value,
16310           MAX_ENVELOPE_TEXT_LEN);
16311   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
16312
16313   level.changed = TRUE;
16314 }
16315
16316 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
16317 {
16318   int type_id = gi->custom_type_id;
16319   int value_old = *selectbox_info[type_id].value;
16320   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
16321
16322   *selectbox_info[type_id].value = value_new;
16323
16324   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
16325   {
16326     DrawLevelConfigWindow();
16327   }
16328   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16329   {
16330     element_info[properties_element].current_change_page = gi->selectbox.index;
16331
16332     DrawPropertiesWindow();
16333   }
16334   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
16335             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
16336            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
16337             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
16338            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
16339   {
16340     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
16341     {
16342       // when changing action type, also check action mode and action arg
16343       if (value_old != value_new)
16344         setSelectboxSpecialActionVariablesIfNeeded();
16345
16346       DrawPropertiesChange();
16347     }
16348
16349     CopyElementPropertiesToGame(properties_element);
16350   }
16351   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
16352   {
16353     // show or hide "engine" tabulator depending on game engine type
16354     DrawLevelConfigWindow();
16355
16356     // update element selection list depending on game engine type
16357     ReinitializeElementList();
16358     ModifyEditorElementList();
16359   }
16360   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
16361   {
16362     // update BD cycle delay counter gadgets depending on BD scheduling type
16363     DrawLevelConfigWindow();
16364   }
16365   else if (type_id == ED_SELECTBOX_ID_BD_COLOR_TYPE)
16366   {
16367     bd_color_type_changed = TRUE;
16368
16369     if (level.bd_color_type == GD_COLOR_TYPE_C64 && CheckLevelColorsRGB_BD())
16370     {
16371       // color palette switched to C64 colors, but using RGB colors => reset to defaults
16372       if (!Request("This will reset C64 colors to defaults! Continue?", REQ_ASK))
16373       {
16374         // keep current RGB colors
16375         level.bd_color_type = GD_COLOR_TYPE_RGB;
16376         bd_color_type_changed = FALSE;
16377       }
16378     }
16379
16380     // update BD color palette gadgets depending on BD color type
16381     DrawLevelConfigWindow();
16382   }
16383   else if (type_id >= ED_SELECTBOX_ID_COLORS_FIRST &&
16384            type_id <= ED_SELECTBOX_ID_COLORS_LAST)
16385   {
16386     int pos = type_id - ED_SELECTBOX_ID_COLORS_FIRST;
16387
16388     *bd_color[pos] = gd_c64_color(bd_color_c64[pos]);
16389   }
16390
16391   // do not mark level as modified for certain non-level-changing gadgets
16392   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
16393       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16394     return;
16395
16396   level.changed = TRUE;
16397 }
16398
16399 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
16400 {
16401   int type_id = gi->custom_type_id;
16402   int i;
16403
16404   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
16405       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
16406   {
16407     edit_mode_levelconfig = gi->custom_type_id;
16408
16409     DrawLevelConfigWindow();
16410   }
16411   else if (type_id >= ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST &&
16412            type_id <= ED_TAB_BUTTON_ID_ENGINECONFIG_LAST)
16413   {
16414     edit_mode_engineconfig = gi->custom_type_id;
16415
16416     DrawLevelConfigWindow();
16417   }
16418   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
16419            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
16420   {
16421     edit_mode_properties = gi->custom_type_id;
16422
16423     DrawPropertiesWindow();
16424   }
16425   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
16426            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
16427   {
16428     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
16429
16430     // backup original "level.field" (needed to track playfield changes)
16431     CopyPlayfield(level.field, TileBackup);
16432
16433     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
16434     CopyPlayfield(Tile, level.field);
16435
16436     if (new_template ||
16437         Request("Save this template and kill the old?", REQ_ASK))
16438       SaveLevelTemplate();
16439
16440     if (new_template)
16441       Request("Template saved!", REQ_CONFIRM);
16442
16443     // restore original "level.field" (needed to track playfield changes)
16444     CopyPlayfield(TileBackup, level.field);
16445   }
16446   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
16447   {
16448     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
16449
16450     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
16451         leveldir_current->readonly)
16452     {
16453       Request("This level set is read-only!", REQ_CONFIRM);
16454
16455       return;
16456     }
16457
16458     if (strEqual(levelset_name, ""))
16459     {
16460       Request("Please enter level set title!", REQ_CONFIRM);
16461
16462       return;
16463     }
16464
16465     if (strEqual(levelset_author, ""))
16466     {
16467       Request("Please enter level set author!", REQ_CONFIRM);
16468
16469       return;
16470     }
16471
16472     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
16473     {
16474       if (UpdateUserLevelSet(levelset_subdir,
16475                              levelset_name,
16476                              levelset_author,
16477                              levelset_num_levels))
16478       {
16479         Request("Level set updated!", REQ_CONFIRM);
16480       }
16481       else
16482       {
16483         Request("Updating level set failed!", REQ_CONFIRM);
16484       }
16485     }
16486     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
16487     {
16488       if (level.changed && !Request("Level has changed! Discard changes?",
16489                                      REQ_ASK))
16490         return;
16491
16492       if (CreateUserLevelSet(levelset_subdir,
16493                              levelset_name,
16494                              levelset_author,
16495                              levelset_num_levels,
16496                              levelset_use_levelset_artwork))
16497       {
16498         if (levelset_copy_level_template)
16499           CopyLevelTemplateToUserLevelSet(levelset_subdir);
16500
16501         Request("New level set created!", REQ_CONFIRM);
16502
16503         AddUserLevelSetToLevelInfo(levelset_subdir);
16504         ChangeEditorToLevelSet(levelset_subdir);
16505       }
16506       else
16507       {
16508         Request("Creating new level set failed!", REQ_CONFIRM);
16509       }
16510     }
16511   }
16512   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
16513            custom_element.num_change_pages < MAX_CHANGE_PAGES)
16514   {
16515     struct ElementInfo *ei = &element_info[properties_element];
16516
16517     // when modifying custom element, ask for copying level template
16518     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16519       return;
16520
16521     setElementChangePages(ei, ei->num_change_pages + 1);
16522
16523     // set new change page to be new current change page
16524     ei->current_change_page = ei->num_change_pages - 1;
16525     ei->change = &ei->change_page[ei->current_change_page];
16526
16527     setElementChangeInfoToDefaults(ei->change);
16528
16529     DrawPropertiesWindow();
16530
16531     level.changed = TRUE;
16532   }
16533   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
16534            custom_element.num_change_pages > MIN_CHANGE_PAGES)
16535   {
16536     struct ElementInfo *ei = &element_info[properties_element];
16537
16538     // when modifying custom element, ask for copying level template
16539     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16540       return;
16541
16542     // copy all change pages after change page to be deleted
16543     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
16544       ei->change_page[i] = ei->change_page[i + 1];
16545
16546     setElementChangePages(ei, ei->num_change_pages - 1);
16547
16548     DrawPropertiesWindow();
16549
16550     level.changed = TRUE;
16551   }
16552 }
16553
16554 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
16555 {
16556   int type_id = gi->custom_type_id;
16557
16558   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
16559       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
16560   {
16561     struct ElementInfo *ei = &element_info[properties_element];
16562     int step = BUTTON_STEPSIZE(gi->event.button);
16563
16564     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
16565     ei->current_change_page += step;
16566
16567     if (ei->current_change_page < 0)
16568       ei->current_change_page = 0;
16569     else if (ei->current_change_page >= ei->num_change_pages)
16570       ei->current_change_page = ei->num_change_pages - 1;
16571
16572     DrawPropertiesWindow();
16573   }
16574   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
16575            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16576   {
16577     struct ElementInfo *ei = &element_info[properties_element];
16578     int current_change_page = ei->current_change_page;
16579
16580     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
16581     {
16582       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
16583         ei->change_page[current_change_page];
16584     }
16585     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16586     {
16587       // when modifying custom element, ask for copying level template
16588       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16589         return;
16590
16591       ei->change_page[current_change_page] =
16592         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
16593
16594       level.changed = TRUE;
16595     }
16596
16597     DrawPropertiesWindow();
16598   }
16599 }
16600
16601 static void HandleRadiobuttons(struct GadgetInfo *gi)
16602 {
16603   int type_id = gi->custom_type_id;
16604
16605   *radiobutton_info[type_id].value =
16606     radiobutton_info[type_id].checked_value;
16607
16608   // do not mark level as modified for certain non-level-changing gadgets
16609   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16610       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16611     return;
16612
16613   level.changed = TRUE;
16614 }
16615
16616 static void HandleCheckbuttons(struct GadgetInfo *gi)
16617 {
16618   int type_id = gi->custom_type_id;
16619
16620   *checkbutton_info[type_id].value ^= TRUE;
16621
16622   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16623       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16624       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16625       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16626          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16627         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16628          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16629        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16630   {
16631     CopyElementPropertiesToGame(properties_element);
16632   }
16633
16634   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16635   {
16636     UpdateCustomElementGraphicGadgets();
16637   }
16638   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16639            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16640   {
16641     boolean template_related_changes_found = FALSE;
16642     int i;
16643
16644     // check if any custom, group or empty elements have been changed
16645     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16646       if ((IS_CUSTOM_ELEMENT(i) ||
16647            IS_GROUP_ELEMENT(i) ||
16648            IS_EMPTY_ELEMENT(i)) &&
16649           element_info[i].modified_settings)
16650         template_related_changes_found = TRUE;
16651
16652     if (level.use_custom_template &&
16653         !fileExists(getGlobalLevelTemplateFilename()))
16654     {
16655       Request("No level template found!", REQ_CONFIRM);
16656
16657       level.use_custom_template = FALSE;
16658
16659       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16660
16661       return;
16662     }
16663
16664     if (level.use_custom_template &&
16665         template_related_changes_found &&
16666         !Request("Discard changes and use level template?", REQ_ASK))
16667     {
16668       level.use_custom_template = FALSE;
16669
16670       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16671
16672       return;
16673     }
16674
16675     if (!level.use_custom_template &&
16676         Request("Copy settings from level template?", REQ_ASK))
16677     {
16678       return;
16679     }
16680
16681     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16682
16683     DrawEditModeWindow();
16684   }
16685   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16686   {
16687     if (setup.editor.use_template_for_new_levels &&
16688         !fileExists(getGlobalLevelTemplateFilename()))
16689     {
16690       Request("No level template found!", REQ_CONFIRM);
16691
16692       return;
16693     }
16694
16695     if (setup.editor.use_template_for_new_levels &&
16696         level.changed &&
16697         !Request("Discard level and load template?", REQ_ASK))
16698     {
16699       return;
16700     }
16701
16702     if (!setup.editor.use_template_for_new_levels &&
16703         level.changed &&
16704         !Request("Discard level and use empty level?", REQ_ASK))
16705     {
16706       return;
16707     }
16708
16709     LoadLevel(level_nr);
16710     LoadScore(level_nr);
16711
16712     TapeErase();
16713
16714     ResetUndoBuffer();
16715     DrawEditModeWindow();
16716   }
16717   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16718   {
16719     SetAutomaticNumberOfGemsNeeded();
16720   }
16721
16722   // do not mark level as modified for certain non-level-changing gadgets
16723   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16724        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16725       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16726        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16727        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16728       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16729     return;
16730
16731   level.changed = TRUE;
16732 }
16733
16734 static void HandleControlButtons(struct GadgetInfo *gi)
16735 {
16736   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16737   static int last_edit_mode = ED_MODE_DRAWING;
16738   static int last_custom_copy_mode = -1;
16739   static int last_button = 0;
16740   int id = gi->custom_id;
16741   int button = gi->event.button;
16742   int step = BUTTON_STEPSIZE(button);
16743   int new_element = BUTTON_ELEMENT(button);
16744   int last_properties_element = properties_element;
16745   int x, y;
16746
16747   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16748     DrawLevelText(0, 0, 0, TEXT_END);
16749
16750   if (id < ED_NUM_CTRL1_BUTTONS &&
16751       id != GADGET_ID_SINGLE_ITEMS &&
16752       id != GADGET_ID_PICK_ELEMENT &&
16753       edit_mode != ED_MODE_DRAWING &&
16754       drawing_function != GADGET_ID_PICK_ELEMENT &&
16755       !(GetKeyModState() & KMOD_Control))
16756     ChangeEditModeWindow(ED_MODE_DRAWING);
16757
16758   // element copy mode active, but no element button pressed => deactivate
16759   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16760     last_custom_copy_mode = -1;
16761
16762   // when showing palette on element buttons, change element of button used
16763   if (editor.palette.show_on_element_buttons &&
16764       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16765   {
16766     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16767
16768     id = GADGET_ID_PALETTE;
16769   }
16770
16771   switch (id)
16772   {
16773     case GADGET_ID_SCROLL_LEFT:
16774       if (level_xpos >= 0)
16775       {
16776         if (lev_fieldx < ed_fieldx - 2)
16777           break;
16778
16779         level_xpos -= step;
16780         if (level_xpos < -1)
16781           level_xpos = -1;
16782         if (button == 1)
16783           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16784         else
16785           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16786
16787         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16788                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16789       }
16790       break;
16791
16792     case GADGET_ID_SCROLL_RIGHT:
16793       if (level_xpos <= lev_fieldx - ed_fieldx)
16794       {
16795         if (lev_fieldx < ed_fieldx - 2)
16796           break;
16797
16798         level_xpos += step;
16799         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16800           level_xpos = lev_fieldx - ed_fieldx + 1;
16801         if (button == 1)
16802           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16803         else
16804           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16805
16806         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16807                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16808       }
16809       break;
16810
16811     case GADGET_ID_SCROLL_UP:
16812       if (level_ypos >= 0)
16813       {
16814         if (lev_fieldy < ed_fieldy - 2)
16815           break;
16816
16817         level_ypos -= step;
16818         if (level_ypos < -1)
16819           level_ypos = -1;
16820         if (button == 1)
16821           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16822         else
16823           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16824
16825         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16826                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16827       }
16828       break;
16829
16830     case GADGET_ID_SCROLL_DOWN:
16831       if (level_ypos <= lev_fieldy - ed_fieldy)
16832       {
16833         if (lev_fieldy < ed_fieldy - 2)
16834           break;
16835
16836         level_ypos += step;
16837         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16838           level_ypos = lev_fieldy - ed_fieldy + 1;
16839         if (button == 1)
16840           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16841         else
16842           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16843
16844         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16845                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16846       }
16847       break;
16848
16849     case GADGET_ID_SCROLL_HORIZONTAL:
16850       level_xpos = gi->event.item_position - 1;
16851
16852       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16853       BackToFront();
16854
16855       break;
16856
16857     case GADGET_ID_SCROLL_VERTICAL:
16858       level_ypos = gi->event.item_position - 1;
16859
16860       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16861       BackToFront();
16862
16863       break;
16864
16865     case GADGET_ID_SCROLL_LIST_UP:
16866     case GADGET_ID_SCROLL_LIST_DOWN:
16867     case GADGET_ID_SCROLL_LIST_VERTICAL:
16868       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16869         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16870       else
16871       {
16872         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16873         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16874
16875         if (element_shift < 0)
16876           element_shift = 0;
16877         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16878           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16879
16880         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16881                      GDI_SCROLLBAR_ITEM_POSITION,
16882                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16883       }
16884
16885       ModifyEditorElementList();
16886
16887       break;
16888
16889     case GADGET_ID_PROPERTIES:
16890       // always switch off element properties when they are already displayed
16891       last_properties_element = new_element;
16892     case GADGET_ID_ELEMENT_LEFT:
16893     case GADGET_ID_ELEMENT_MIDDLE:
16894     case GADGET_ID_ELEMENT_RIGHT:
16895       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16896                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16897                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16898                             new_element);
16899
16900       if (edit_mode != ED_MODE_PROPERTIES)
16901       {
16902         last_edit_mode = edit_mode;
16903
16904         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16905
16906         last_level_drawing_function = drawing_function;
16907         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16908                       MB_LEFTBUTTON);
16909       }
16910       else if (properties_element != last_properties_element)
16911       {
16912         DrawEditModeWindow();
16913       }
16914       else
16915       {
16916         ChangeEditModeWindow(ED_MODE_DRAWING);
16917
16918         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16919                       MB_LEFTBUTTON);
16920       }
16921       break;
16922
16923     case GADGET_ID_PALETTE:
16924       if (edit_mode != ED_MODE_PALETTE)
16925       {
16926         last_edit_mode = edit_mode;
16927
16928         ChangeEditModeWindow(ED_MODE_PALETTE);
16929       }
16930       else
16931       {
16932         ChangeEditModeWindow(last_edit_mode);
16933       }
16934       break;
16935
16936     case GADGET_ID_WRAP_LEFT:
16937       WrapLevel(-step, 0);
16938       break;
16939
16940     case GADGET_ID_WRAP_RIGHT:
16941       WrapLevel(step, 0);
16942       break;
16943
16944     case GADGET_ID_WRAP_UP:
16945       WrapLevel(0, -step);
16946       break;
16947
16948     case GADGET_ID_WRAP_DOWN:
16949       WrapLevel(0, step);
16950       break;
16951
16952     case GADGET_ID_SINGLE_ITEMS:
16953     case GADGET_ID_CONNECTED_ITEMS:
16954     case GADGET_ID_LINE:
16955     case GADGET_ID_ARC:
16956     case GADGET_ID_TEXT:
16957     case GADGET_ID_RECTANGLE:
16958     case GADGET_ID_FILLED_BOX:
16959     case GADGET_ID_FLOOD_FILL:
16960     case GADGET_ID_GRAB_BRUSH:
16961     case GADGET_ID_PICK_ELEMENT:
16962       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16963         last_drawing_function = drawing_function;
16964       drawing_function = id;
16965       draw_with_brush = FALSE;
16966       break;
16967
16968     case GADGET_ID_RANDOM_PLACEMENT:
16969       RandomPlacement(new_element);
16970       break;
16971
16972     case GADGET_ID_ZOOM:
16973       // zoom level editor tile size in or out (or reset to default size)
16974       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16975                      button == 2 ? ed_tilesize_default :
16976                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16977
16978       // when using touch device, cycle through all zoom tilesizes
16979       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16980         ed_tilesize = MICRO_TILESIZE;
16981
16982       // limit zoom level by upper and lower bound
16983       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16984
16985       InitZoomLevelSettings(ed_tilesize);
16986
16987       if (edit_mode == ED_MODE_DRAWING)
16988       {
16989         DrawDrawingWindow();
16990
16991         // redraw zoom gadget info text
16992         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16993       }
16994
16995       // save current editor zoom tilesize
16996       SaveSetup_AutoSetup();
16997
16998       break;
16999
17000     case GADGET_ID_CUSTOM_COPY_FROM:
17001     case GADGET_ID_CUSTOM_COPY_TO:
17002     case GADGET_ID_CUSTOM_EXCHANGE:
17003       last_custom_copy_mode = id;
17004       last_drawing_function = drawing_function;
17005       break;
17006
17007     case GADGET_ID_CUSTOM_COPY:
17008       CopyCustomElement(properties_element, -1, id);
17009       break;
17010
17011     case GADGET_ID_CUSTOM_PASTE:
17012       CopyCustomElement(-1, properties_element, id);
17013       break;
17014
17015     case GADGET_ID_UNDO:
17016       if (button < 0)   // keep button value (even if modifier keys are pressed)
17017         button = -button;
17018       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
17019         button = 3;
17020
17021       if (button == 1 && undo_buffer_steps == 0)
17022       {
17023         Request("Undo buffer empty!", REQ_CONFIRM);
17024
17025         break;
17026       }
17027       else if (button == 2)
17028       {
17029         break;
17030       }
17031       else if (button == 3 && redo_buffer_steps == 0)
17032       {
17033         Request("Redo buffer empty!", REQ_CONFIRM);
17034
17035         break;
17036       }
17037
17038       if (edit_mode != ED_MODE_DRAWING)
17039         ChangeEditModeWindow(ED_MODE_DRAWING);
17040
17041       if (button == 1)
17042       {
17043         // undo
17044
17045         undo_buffer_position =
17046           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
17047
17048         undo_buffer_steps--;
17049         redo_buffer_steps++;
17050       }
17051       else
17052       {
17053         // redo
17054
17055         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
17056
17057         undo_buffer_steps++;
17058         redo_buffer_steps--;
17059       }
17060
17061       for (x = 0; x < lev_fieldx; x++)
17062         for (y = 0; y < lev_fieldy; y++)
17063           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
17064
17065       // check if undo operation forces change of border style
17066       CheckLevelBorderElement(FALSE);
17067
17068       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
17069
17070       break;
17071
17072     case GADGET_ID_CONF:
17073       if (edit_mode != ED_MODE_LEVELCONFIG)
17074       {
17075         last_edit_mode = edit_mode;
17076
17077         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
17078       }
17079       else
17080       {
17081         ChangeEditModeWindow(ED_MODE_DRAWING);
17082       }
17083       break;
17084
17085     case GADGET_ID_CLEAR:
17086       if (edit_mode != ED_MODE_DRAWING)
17087         ChangeEditModeWindow(ED_MODE_DRAWING);
17088
17089       for (x = 0; x < MAX_LEV_FIELDX; x++)
17090         for (y = 0; y < MAX_LEV_FIELDY; y++)
17091           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
17092
17093       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
17094
17095       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
17096       break;
17097
17098     case GADGET_ID_SAVE:
17099     {
17100       // saving read-only levels into personal level set modifies global vars
17101       // "leveldir_current" and "level_nr"; restore them after saving level
17102       LevelDirTree *leveldir_former = leveldir_current;
17103       int level_nr_former = level_nr;
17104       char *level_filename;
17105       boolean new_level;
17106
17107       if (leveldir_current->readonly &&
17108           !PrepareSavingIntoPersonalLevelSet())
17109         break;
17110
17111       level_filename = getDefaultLevelFilename(level_nr);
17112       new_level = !fileExists(level_filename);
17113
17114       if (new_level ||
17115           Request("Save this level and kill the old?", REQ_ASK))
17116       {
17117         if (leveldir_former->readonly)
17118           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
17119
17120         SetAutomaticNumberOfGemsNeeded();
17121
17122         CopyPlayfield(Tile, level.field);
17123         SaveLevel(level_nr);
17124
17125         level.changed = FALSE;
17126
17127         if (new_level)
17128         {
17129           char level_saved_msg[64];
17130
17131           if (leveldir_former->readonly)
17132             sprintf(level_saved_msg,
17133                     "Level saved as level %d into personal level set!",
17134                     level_nr);
17135           else
17136             strcpy(level_saved_msg, "Level saved!");
17137
17138           Request(level_saved_msg, REQ_CONFIRM);
17139         }
17140       }
17141
17142       // "cd" back to copied-from levelset (in case of saved read-only level)
17143       leveldir_current = leveldir_former;
17144       level_nr = level_nr_former;
17145
17146       break;
17147     }
17148
17149     case GADGET_ID_TEST:
17150       if (LevelChanged())
17151         level.game_version = GAME_VERSION_ACTUAL;
17152
17153       CopyPlayfield(level.field, TileBackup);
17154       CopyPlayfield(Tile, level.field);
17155
17156       CopyNativeLevel_RND_to_Native(&level);
17157
17158       UnmapLevelEditorGadgets();
17159       UndrawSpecialEditorDoor();
17160
17161       CloseDoor(DOOR_CLOSE_ALL);
17162
17163       // needed before playing if editor playfield area has different size
17164       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
17165
17166       // redraw_mask = REDRAW_ALL;
17167
17168       level_editor_test_game = TRUE;
17169
17170       StartGameActions(FALSE, setup.autorecord, level.random_seed);
17171
17172       break;
17173
17174     case GADGET_ID_EXIT:
17175       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
17176       break;
17177
17178     default:
17179       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
17180           id <= GADGET_ID_ELEMENTLIST_LAST)
17181       {
17182         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
17183
17184         new_element = editor_elements[element_position + element_shift];
17185
17186         if (IS_EDITOR_CASCADE(new_element))
17187         {
17188           int i;
17189
17190           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
17191           {
17192             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
17193             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
17194
17195             if (*cascade_element == new_element)
17196             {
17197               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
17198               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
17199
17200               // update element selection list
17201               ReinitializeElementList();
17202               ModifyEditorElementList();
17203
17204               // update cascading gadget info text
17205               PrintEditorGadgetInfoText(level_editor_gadget[id]);
17206
17207               // save current editor cascading state
17208               SaveSetup_EditorCascade();
17209
17210               break;
17211             }
17212           }
17213
17214           break;
17215         }
17216
17217         if (last_custom_copy_mode != -1)
17218         {
17219           if (CopyCustomElement(properties_element, new_element,
17220                                 last_custom_copy_mode))
17221           {
17222             ClickOnGadget(level_editor_gadget[last_drawing_function],
17223                           MB_LEFTBUTTON);
17224
17225             last_custom_copy_mode = -1;
17226           }
17227
17228           break;
17229         }
17230
17231         // change element of button used to show palette
17232         if (editor.palette.show_on_element_buttons)
17233           button = last_button;
17234
17235         PickDrawingElement(button, new_element);
17236
17237         if (!stick_element_properties_window &&
17238             drawing_function != GADGET_ID_PICK_ELEMENT &&
17239             !(GetKeyModState() & KMOD_Control))
17240         {
17241           properties_element = new_element;
17242           if (edit_mode == ED_MODE_PROPERTIES)
17243             DrawPropertiesWindow();
17244         }
17245
17246         if (drawing_function == GADGET_ID_PICK_ELEMENT)
17247           ClickOnGadget(level_editor_gadget[last_drawing_function],
17248                         MB_LEFTBUTTON);
17249
17250         if (!use_permanent_palette)
17251           ChangeEditModeWindow(last_edit_mode);
17252       }
17253 #ifdef DEBUG
17254       else if (gi->event.type == GD_EVENT_PRESSED)
17255         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
17256       else if (gi->event.type == GD_EVENT_RELEASED)
17257         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
17258       else if (gi->event.type == GD_EVENT_MOVING)
17259         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
17260       else
17261         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
17262 #endif
17263       break;
17264   }
17265 }
17266
17267 void HandleLevelEditorKeyInput(Key key)
17268 {
17269   char letter = getCharFromKey(key);
17270
17271   if (drawing_function == GADGET_ID_TEXT &&
17272       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
17273   {
17274     if (letter)
17275       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
17276     else if (key == KSYM_Delete || key == KSYM_BackSpace)
17277       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
17278     else if (key == KSYM_Return)
17279       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
17280     else if (key == KSYM_Escape)
17281       DrawLevelText(0, 0, 0, TEXT_END);
17282
17283     return;
17284   }
17285
17286   int id = GADGET_ID_NONE;
17287   int new_element_shift = element_shift;
17288   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
17289   int button = MB_LEFTBUTTON;
17290   int i;
17291
17292   switch (key)
17293   {
17294     case KSYM_Left:
17295       id = GADGET_ID_SCROLL_LEFT;
17296       break;
17297     case KSYM_Right:
17298       id = GADGET_ID_SCROLL_RIGHT;
17299       break;
17300     case KSYM_Up:
17301       id = GADGET_ID_SCROLL_UP;
17302       break;
17303     case KSYM_Down:
17304       id = GADGET_ID_SCROLL_DOWN;
17305       break;
17306
17307     case KSYM_Page_Up:
17308     case KSYM_Page_Down:
17309       step *= (key == KSYM_Page_Up ? -1 : +1);
17310       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
17311
17312       if (element_shift < 0)
17313         element_shift = 0;
17314       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17315         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17316
17317       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17318                    GDI_SCROLLBAR_ITEM_POSITION,
17319                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17320
17321       ModifyEditorElementList();
17322
17323       break;
17324
17325     case KSYM_Home:
17326     case KSYM_End:
17327       element_shift = (key == KSYM_Home ? 0 :
17328                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
17329
17330       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17331                    GDI_SCROLLBAR_ITEM_POSITION,
17332                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17333
17334       ModifyEditorElementList();
17335
17336       break;
17337
17338     case KSYM_Insert:
17339     case KSYM_Delete:
17340
17341       // this is needed to prevent interference with running "True X-Mouse"
17342       if (GetKeyModStateFromEvents() & KMOD_Control)
17343         break;
17344
17345       // check for last or next editor cascade block in element list
17346       for (i = 0; i < num_editor_elements; i++)
17347       {
17348         if ((key == KSYM_Insert && i == element_shift) ||
17349             (key == KSYM_Delete && new_element_shift > element_shift))
17350           break;
17351
17352         // jump to next cascade block (or to start of element list)
17353         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
17354           new_element_shift = i;
17355       }
17356
17357       if (i < num_editor_elements)
17358         element_shift = new_element_shift;
17359
17360       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17361         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17362
17363       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17364                    GDI_SCROLLBAR_ITEM_POSITION,
17365                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17366
17367       ModifyEditorElementList();
17368
17369       break;
17370
17371     case KSYM_Escape:
17372       if (edit_mode == ED_MODE_DRAWING)
17373         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
17374       else if (edit_mode == ED_MODE_LEVELCONFIG)
17375         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
17376       else if (edit_mode == ED_MODE_PROPERTIES)
17377         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
17378       else if (edit_mode == ED_MODE_PALETTE)
17379         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
17380       else              // should never happen
17381         ChangeEditModeWindow(ED_MODE_DRAWING);
17382
17383       break;
17384
17385     default:
17386       break;
17387   }
17388
17389   if (id != GADGET_ID_NONE)
17390     ClickOnGadget(level_editor_gadget[id], button);
17391   else if (letter == '1' || letter == '?')
17392     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
17393   else if (letter == '2')
17394     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
17395   else if (letter == '3')
17396     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
17397   else if (letter == '.')
17398     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
17399   else if (letter == 'U')
17400     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
17401   else if (letter == '-' || key == KSYM_KP_Subtract)
17402     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
17403   else if (letter == '0' || key == KSYM_KP_0)
17404     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
17405   else if (letter == '+' || key == KSYM_KP_Add ||
17406            letter == '=')       // ("Shift-=" is "+" on US keyboards)
17407     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
17408   else if (key == KSYM_Return ||
17409            key == KSYM_space ||
17410            key == setup.shortcut.toggle_pause)
17411     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
17412   else
17413     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
17414       if (letter && letter == controlbutton_info[i].shortcut)
17415         if (!anyTextGadgetActive())
17416           ClickOnGadget(level_editor_gadget[i], button);
17417
17418   if (draw_with_brush)
17419   {
17420     if (letter == 'x')
17421       FlipBrushX();
17422     else if (letter == 'y')
17423       FlipBrushY();
17424     else if (letter == 'z')
17425       RotateBrush();
17426   }
17427 }
17428
17429 static void HandleLevelEditorIdle_Properties(void)
17430 {
17431   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
17432   int x = editor.settings.element_graphic.x + element_border;
17433   int y = editor.settings.element_graphic.y + element_border;
17434   static DelayCounter action_delay = { 0 };
17435   int i;
17436
17437   action_delay.value = GameFrameDelay;
17438
17439   if (!DelayReached(&action_delay))
17440     return;
17441
17442   for (i = 0; i < ED_NUM_SELECTBOX; i++)
17443   {
17444     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
17445
17446     if (gi->mapped && gi->active && gi->selectbox.open)
17447       return;
17448   }
17449
17450   DrawEditorElementAnimation(SX + x, SY + y);
17451
17452   redraw_mask |= REDRAW_FIELD;
17453
17454   FrameCounter++;       // increase animation frame counter
17455 }
17456
17457 static void HandleLevelEditorIdle_Drawing(void)
17458 {
17459   static boolean last_highlighted = FALSE;
17460   static boolean last_highlighted_similar = FALSE;
17461   boolean highlighted = (GetKeyModState() & KMOD_Alt);
17462   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
17463
17464   if (highlighted != last_highlighted ||
17465       (highlighted && highlighted_similar != last_highlighted_similar))
17466   {
17467     DrawAreaElementHighlight(highlighted, highlighted_similar);
17468
17469     redraw_mask |= REDRAW_FIELD;
17470   }
17471
17472   last_highlighted = highlighted;
17473   last_highlighted_similar = highlighted_similar;
17474 }
17475
17476 void HandleLevelEditorIdle(void)
17477 {
17478   if (edit_mode == ED_MODE_PROPERTIES)
17479     HandleLevelEditorIdle_Properties();
17480   else if (edit_mode == ED_MODE_DRAWING)
17481     HandleLevelEditorIdle_Drawing();
17482 }
17483
17484 static void ClearEditorGadgetInfoText(void)
17485 {
17486   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
17487 }
17488
17489 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
17490 {
17491   char infotext[MAX_OUTPUT_LINESIZE + 1];
17492   int max_infotext_len = getMaxInfoTextLength();
17493
17494   if (gi == NULL || strlen(gi->info_text) == 0)
17495     return;
17496
17497   strncpy(infotext, gi->info_text, max_infotext_len);
17498   infotext[max_infotext_len] = '\0';
17499
17500   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
17501   {
17502     int key = controlbutton_info[gi->custom_id].shortcut;
17503
17504     if (key)
17505     {
17506       char shortcut[MAX_OUTPUT_LINESIZE + 1];
17507
17508       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
17509         sprintf(shortcut, " ('.' or '%c')", key);
17510       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
17511         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
17512       else if (gi->custom_id == GADGET_ID_TEST)
17513         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
17514       else if (gi->custom_id == GADGET_ID_UNDO)
17515         sprintf(shortcut, " ('%c/Shift-U')", key);
17516       else if (gi->custom_id == GADGET_ID_ZOOM)
17517         sprintf(shortcut, " ('%c', '0', '-')", key);
17518       else
17519         sprintf(shortcut, " ('%s%c')",
17520                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
17521
17522       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
17523         strcat(infotext, shortcut);
17524     }
17525   }
17526
17527   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
17528 }
17529
17530 void HandleEditorGadgetInfoText(void *ptr)
17531 {
17532   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
17533
17534   if (game_status != GAME_MODE_EDITOR)
17535     return;
17536
17537   ClearEditorGadgetInfoText();
17538
17539   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
17540     return;
17541
17542   // misuse this function to delete brush cursor, if needed
17543   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
17544     DeleteBrushFromCursor();
17545
17546   PrintEditorGadgetInfoText(gi);
17547 }
17548
17549 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
17550 {
17551   int id = gi->custom_id;
17552   int type_id = gi->custom_type_id;
17553   int sx = gi->event.x;
17554   int sy = gi->event.y;
17555   int lx = sx + level_xpos;
17556   int ly = sy + level_ypos;
17557   int min_sx = 0, min_sy = 0;
17558   int max_sx = gi->drawing.area_xsize - 1;
17559   int max_sy = gi->drawing.area_ysize - 1;
17560   int actual_drawing_function = drawing_function;
17561   int max_infotext_len = getMaxInfoTextLength();
17562   char infotext[MAX_OUTPUT_LINESIZE + 1];
17563
17564   infotext[0] = '\0';           // start with empty info text
17565
17566   // pressed Control key: simulate picking element
17567   if (GetKeyModState() & KMOD_Control)
17568     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
17569
17570   ClearEditorGadgetInfoText();
17571
17572   if (gi->event.type == GD_EVENT_INFO_LEAVING)
17573     return;
17574
17575   // make sure to stay inside drawing area boundaries
17576   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
17577   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
17578
17579   if (id == GADGET_ID_DRAWING_LEVEL)
17580   {
17581     if (button_status)
17582     {
17583       int min_lx = 0, min_ly = 0;
17584       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
17585
17586       // get positions inside level field
17587       lx = sx + level_xpos;
17588       ly = sy + level_ypos;
17589
17590       // make sure to stay inside level field boundaries
17591       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
17592       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
17593
17594       // correct drawing area positions accordingly
17595       sx = lx - level_xpos;
17596       sy = ly - level_ypos;
17597     }
17598
17599     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17600     {
17601       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17602       {
17603         static int start_lx = 0;
17604         static int start_ly = 0;
17605         char *text;
17606
17607         if (gi->event.type == GD_EVENT_PRESSED)
17608         {
17609           start_lx = lx;
17610           start_ly = ly;
17611         }
17612
17613         switch (actual_drawing_function)
17614         {
17615           case GADGET_ID_SINGLE_ITEMS:
17616             text = "Drawing single items";
17617             break;
17618           case GADGET_ID_CONNECTED_ITEMS:
17619             text = "Drawing connected items";
17620             break;
17621           case GADGET_ID_LINE:
17622             text = "Drawing line";
17623             break;
17624           case GADGET_ID_ARC:
17625             text = "Drawing arc";
17626             break;
17627           case GADGET_ID_TEXT:
17628             text = "Setting text cursor";
17629             break;
17630           case GADGET_ID_RECTANGLE:
17631             text = "Drawing rectangle";
17632             break;
17633           case GADGET_ID_FILLED_BOX:
17634             text = "Drawing filled box";
17635             break;
17636           case GADGET_ID_FLOOD_FILL:
17637             text = "Flood fill";
17638             break;
17639           case GADGET_ID_GRAB_BRUSH:
17640             text = "Grabbing brush";
17641             break;
17642           case GADGET_ID_PICK_ELEMENT:
17643             text = "Picking element";
17644             break;
17645
17646           default:
17647             text = "Drawing position";
17648             break;
17649         }
17650
17651         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17652           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17653         else
17654           sprintf(infotext, "%s: %d, %d", text,
17655                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17656       }
17657       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17658         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17659       else
17660         sprintf(infotext, "Level position: %d, %d", lx, ly);
17661     }
17662
17663     // misuse this function to draw brush cursor, if needed
17664     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17665     {
17666       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17667         CopyBrushToCursor(sx, sy);
17668       else
17669         DeleteBrushFromCursor();
17670     }
17671
17672     if (!draw_with_brush)
17673       UpdateBrushPosition(sx, sy);
17674   }
17675   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17676   {
17677     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17678     int element = drawingarea_info[type_id].value[pos];
17679
17680     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17681   }
17682   else
17683   {
17684     if (id == GADGET_ID_CUSTOM_CONTENT)
17685       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17686     else if (id == GADGET_ID_GROUP_CONTENT)
17687       sprintf(infotext, "group element position: %d", sx + 1);
17688     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17689              id <= GADGET_ID_YAMYAM_CONTENT_7)
17690       sprintf(infotext, "content area %d position: %d, %d",
17691               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17692     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17693              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17694       sprintf(infotext, "content area %d position: %d, %d",
17695               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17696     else if (id == GADGET_ID_ANDROID_CONTENT)
17697       sprintf(infotext, "android element position: %d", sx + 1);
17698     else if (drawingarea_info[type_id].infotext != NULL)
17699       strcpy(infotext, drawingarea_info[type_id].infotext);
17700   }
17701
17702   infotext[max_infotext_len] = '\0';
17703
17704   if (strlen(infotext) > 0)
17705     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17706 }
17707
17708 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17709                             boolean quick_quit)
17710 {
17711   if (!ask_if_level_has_changed ||
17712       !LevelChanged() ||
17713       Request("Level has changed! Exit without saving?",
17714               REQ_ASK | REQ_STAY_OPEN))
17715   {
17716     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17717     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17718
17719     // draw normal door
17720     UndrawSpecialEditorDoor();
17721
17722     // use door animation if door 1 viewport is unchanged and contains toolbox
17723     if (useEditorDoorAnimation())
17724       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17725
17726     // close editor doors if viewport definition is the same as in main menu
17727     if (vp_door_1->x      == DX     &&
17728         vp_door_1->y      == DY     &&
17729         vp_door_1->width  == DXSIZE &&
17730         vp_door_1->height == DYSIZE &&
17731         vp_door_2->x      == VX     &&
17732         vp_door_2->y      == VY     &&
17733         vp_door_2->width  == VXSIZE &&
17734         vp_door_2->height == VYSIZE)
17735       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17736     else
17737       SetDoorState(DOOR_CLOSE_ALL);
17738
17739     BackToFront();
17740
17741     if (quick_quit)
17742       FadeSkipNextFadeIn();
17743
17744     SetGameStatus(GAME_MODE_MAIN);
17745
17746     DrawMainMenu();
17747   }
17748   else
17749   {
17750     if (!global.use_envelope_request)
17751     {
17752       CloseDoor(DOOR_CLOSE_1);
17753       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17754     }
17755   }
17756 }