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   GADGET_ID_BD_SET_RANDOM_COLORS,
 760
 761   // graphicbutton identifiers
 762
 763   GADGET_ID_PREV_CHANGE_PAGE,
 764   GADGET_ID_NEXT_CHANGE_PAGE,
 765   GADGET_ID_COPY_CHANGE_PAGE,
 766   GADGET_ID_PASTE_CHANGE_PAGE,
 767
 768   // gadgets for scrolling of drawing area
 769
 770   GADGET_ID_SCROLL_UP,
 771   GADGET_ID_SCROLL_DOWN,
 772   GADGET_ID_SCROLL_LEFT,
 773   GADGET_ID_SCROLL_RIGHT,
 774   GADGET_ID_SCROLL_HORIZONTAL,
 775   GADGET_ID_SCROLL_VERTICAL,
 776
 777   // gadgets for scrolling element list
 778
 779   GADGET_ID_SCROLL_LIST_UP,
 780   GADGET_ID_SCROLL_LIST_DOWN,
 781   GADGET_ID_SCROLL_LIST_VERTICAL,
 782
 783   // checkbuttons/radiobuttons for level/element properties
 784
 785   GADGET_ID_AUTO_COUNT_GEMS,
 786   GADGET_ID_RATE_TIME_OVER_SCORE,
 787   GADGET_ID_USE_LEVELSET_ARTWORK,
 788   GADGET_ID_COPY_LEVEL_TEMPLATE,
 789   GADGET_ID_RANDOM_PERCENTAGE,
 790   GADGET_ID_RANDOM_QUANTITY,
 791   GADGET_ID_RANDOM_RESTRICTED,
 792   GADGET_ID_BD_INTERMISSION,
 793   GADGET_ID_BD_PAL_TIMING,
 794   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 795   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 796   GADGET_ID_BD_SHORT_EXPLOSIONS,
 797   GADGET_ID_STICK_ELEMENT,
 798   GADGET_ID_EM_SLIPPERY_GEMS,
 799   GADGET_ID_EM_EXPLODES_BY_FIRE,
 800   GADGET_ID_USE_SPRING_BUG,
 801   GADGET_ID_USE_TIME_ORB_BUG,
 802   GADGET_ID_USE_LIFE_BUGS,
 803   GADGET_ID_RANDOM_BALL_CONTENT,
 804   GADGET_ID_INITIAL_BALL_ACTIVE,
 805   GADGET_ID_GROW_INTO_DIGGABLE,
 806   GADGET_ID_SB_FIELDS_NEEDED,
 807   GADGET_ID_SB_OBJECTS_NEEDED,
 808   GADGET_ID_AUTO_EXIT_SOKOBAN,
 809   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 810   GADGET_ID_FINISH_DIG_COLLECT,
 811   GADGET_ID_KEEP_WALKABLE_CE,
 812   GADGET_ID_CONTINUOUS_SNAPPING,
 813   GADGET_ID_BLOCK_SNAP_FIELD,
 814   GADGET_ID_BLOCK_LAST_FIELD,
 815   GADGET_ID_SP_BLOCK_LAST_FIELD,
 816   GADGET_ID_INSTANT_RELOCATION,
 817   GADGET_ID_SHIFTED_RELOCATION,
 818   GADGET_ID_LAZY_RELOCATION,
 819   GADGET_ID_USE_START_ELEMENT,
 820   GADGET_ID_USE_ARTWORK_ELEMENT,
 821   GADGET_ID_USE_EXPLOSION_ELEMENT,
 822   GADGET_ID_INITIAL_GRAVITY,
 823   GADGET_ID_USE_INITIAL_INVENTORY,
 824   GADGET_ID_CAN_PASS_TO_WALKABLE,
 825   GADGET_ID_CAN_FALL_INTO_ACID,
 826   GADGET_ID_CAN_MOVE_INTO_ACID,
 827   GADGET_ID_DONT_COLLIDE_WITH,
 828   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 829   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 830   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 831   GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,
 832   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 833   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 834   GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,
 835   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 836   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 837   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 838   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 839   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 840   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 841   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 842   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 843   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 844   GADGET_ID_BD_REPLICATORS_ACTIVE,
 845   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 846   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 847   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 848   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 849   GADGET_ID_BD_INFINITE_ROCKETS,
 850   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 851   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 852   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 853   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 854   GADGET_ID_ENVELOPE_AUTOWRAP,
 855   GADGET_ID_ENVELOPE_CENTERED,
 856   GADGET_ID_MM_LASER_RED,
 857   GADGET_ID_MM_LASER_GREEN,
 858   GADGET_ID_MM_LASER_BLUE,
 859   GADGET_ID_DF_LASER_RED,
 860   GADGET_ID_DF_LASER_GREEN,
 861   GADGET_ID_DF_LASER_BLUE,
 862   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 863   GADGET_ID_EXPLODE_MM_BALL,
 864   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 865   GADGET_ID_CUSTOM_CAN_EXPLODE,
 866   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 867   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 868   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 869   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 870   GADGET_ID_CUSTOM_DEADLY,
 871   GADGET_ID_CUSTOM_CAN_MOVE,
 872   GADGET_ID_CUSTOM_CAN_FALL,
 873   GADGET_ID_CUSTOM_CAN_SMASH,
 874   GADGET_ID_CUSTOM_SLIPPERY,
 875   GADGET_ID_CUSTOM_ACCESSIBLE,
 876   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 877   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 878   GADGET_ID_CUSTOM_USE_GRAPHIC,
 879   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 880   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 881   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 882   GADGET_ID_CUSTOM_CAN_CHANGE,
 883   GADGET_ID_CHANGE_USE_CONTENT,
 884   GADGET_ID_CHANGE_USE_EXPLOSION,
 885   GADGET_ID_CHANGE_ONLY_COMPLETE,
 886   GADGET_ID_CHANGE_USE_RANDOM,
 887   GADGET_ID_CHANGE_HAS_ACTION,
 888   GADGET_ID_CHANGE_DELAY,
 889   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 890   GADGET_ID_CHANGE_BY_OTHER_ACT,
 891
 892   NUM_STATIC_GADGET_IDS
 893 };
 894
 895 // gadgets for buttons in element list (dynamic)
 896 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 897 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 898                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 899
 900 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 901
 902 // radio button numbers
 903 enum
 904 {
 905   RADIO_NR_NONE,
 906   RADIO_NR_DRAWING_TOOLBOX,
 907   RADIO_NR_RANDOM_ELEMENTS
 908 };
 909
 910 // values for counter gadgets
 911 enum
 912 {
 913   ED_COUNTER_ID_SELECT_LEVEL,
 914   ED_COUNTER_ID_LEVEL_XSIZE,
 915   ED_COUNTER_ID_LEVEL_YSIZE,
 916   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 917   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 918   ED_COUNTER_ID_LEVEL_TIMESCORE,
 919   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 920   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 921   ED_COUNTER_ID_LEVEL_RANDOM,
 922   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 923   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 924   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 925   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 926   ED_COUNTER_ID_BD_PUSHING_PROB,
 927   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 928   ED_COUNTER_ID_ELEMENT_VALUE1,
 929   ED_COUNTER_ID_ELEMENT_VALUE2,
 930   ED_COUNTER_ID_ELEMENT_VALUE3,
 931   ED_COUNTER_ID_ELEMENT_VALUE4,
 932   ED_COUNTER_ID_YAMYAM_CONTENT,
 933   ED_COUNTER_ID_BALL_CONTENT,
 934   ED_COUNTER_ID_ANDROID_CONTENT,
 935   ED_COUNTER_ID_ENVELOPE_XSIZE,
 936   ED_COUNTER_ID_ENVELOPE_YSIZE,
 937   ED_COUNTER_ID_INVENTORY_SIZE,
 938   ED_COUNTER_ID_MM_BALL_CONTENT,
 939   ED_COUNTER_ID_CUSTOM_SCORE,
 940   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 941   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 942   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 943   ED_COUNTER_ID_PUSH_DELAY_FIX,
 944   ED_COUNTER_ID_PUSH_DELAY_RND,
 945   ED_COUNTER_ID_DROP_DELAY_FIX,
 946   ED_COUNTER_ID_DROP_DELAY_RND,
 947   ED_COUNTER_ID_MOVE_DELAY_FIX,
 948   ED_COUNTER_ID_MOVE_DELAY_RND,
 949   ED_COUNTER_ID_STEP_DELAY_FIX,
 950   ED_COUNTER_ID_STEP_DELAY_RND,
 951   ED_COUNTER_ID_EXPLOSION_DELAY,
 952   ED_COUNTER_ID_IGNITION_DELAY,
 953   ED_COUNTER_ID_GROUP_CONTENT,
 954   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 955   ED_COUNTER_ID_CHANGE_DELAY_RND,
 956   ED_COUNTER_ID_CHANGE_CONT_RND,
 957
 958   ED_NUM_COUNTERBUTTONS
 959 };
 960
 961 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 962 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 963 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 964 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 965 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 966 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 967
 968 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 969 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 970 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 971 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 972 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 973 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 974
 975 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 976 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 977
 978 // values for scrollbutton gadgets
 979 enum
 980 {
 981   ED_SCROLLBUTTON_ID_AREA_UP,
 982   ED_SCROLLBUTTON_ID_AREA_DOWN,
 983   ED_SCROLLBUTTON_ID_AREA_LEFT,
 984   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 985   ED_SCROLLBUTTON_ID_LIST_UP,
 986   ED_SCROLLBUTTON_ID_LIST_DOWN,
 987
 988   ED_NUM_SCROLLBUTTONS
 989 };
 990
 991 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 992 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 993
 994 // values for scrollbar gadgets
 995 enum
 996 {
 997   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 998   ED_SCROLLBAR_ID_AREA_VERTICAL,
 999   ED_SCROLLBAR_ID_LIST_VERTICAL,
1000
1001   ED_NUM_SCROLLBARS
1002 };
1003
1004 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
1005 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
1006
1007 // values for text input gadgets
1008 enum
1009 {
1010   ED_TEXTINPUT_ID_LEVEL_NAME,
1011   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1012   ED_TEXTINPUT_ID_LEVELSET_NAME,
1013   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1014   ED_TEXTINPUT_ID_BD_COLOR_RGB_B,
1015   ED_TEXTINPUT_ID_BD_COLOR_RGB_0,
1016   ED_TEXTINPUT_ID_BD_COLOR_RGB_1,
1017   ED_TEXTINPUT_ID_BD_COLOR_RGB_2,
1018   ED_TEXTINPUT_ID_BD_COLOR_RGB_3,
1019   ED_TEXTINPUT_ID_BD_COLOR_RGB_4,
1020   ED_TEXTINPUT_ID_BD_COLOR_RGB_5,
1021   ED_TEXTINPUT_ID_ELEMENT_NAME,
1022
1023   ED_NUM_TEXTINPUT
1024 };
1025
1026 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
1027 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
1028
1029 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
1030 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
1031
1032 #define ED_TEXTINPUT_ID_COLORS_FIRST    ED_TEXTINPUT_ID_BD_COLOR_RGB_B
1033 #define ED_TEXTINPUT_ID_COLORS_LAST     ED_TEXTINPUT_ID_BD_COLOR_RGB_5
1034
1035 // values for text area gadgets
1036 enum
1037 {
1038   ED_TEXTAREA_ID_ENVELOPE_INFO,
1039
1040   ED_NUM_TEXTAREAS
1041 };
1042
1043 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
1044 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
1045
1046 // values for selectbox gadgets
1047 enum
1048 {
1049   ED_SELECTBOX_ID_TIME_OR_STEPS,
1050   ED_SELECTBOX_ID_TIME_SCORE_BASE,
1051   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
1052   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
1053   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
1054   ED_SELECTBOX_ID_BD_COLOR_TYPE,
1055   ED_SELECTBOX_ID_BD_COLOR_C64_B,
1056   ED_SELECTBOX_ID_BD_COLOR_C64_0,
1057   ED_SELECTBOX_ID_BD_COLOR_C64_1,
1058   ED_SELECTBOX_ID_BD_COLOR_C64_2,
1059   ED_SELECTBOX_ID_BD_COLOR_C64_3,
1060   ED_SELECTBOX_ID_BD_COLOR_C64_4,
1061   ED_SELECTBOX_ID_BD_COLOR_C64_5,
1062   ED_SELECTBOX_ID_WIND_DIRECTION,
1063   ED_SELECTBOX_ID_PLAYER_SPEED,
1064   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
1065   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
1066   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
1067   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
1068   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
1069   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
1070   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
1071   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
1072   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
1073   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
1074   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
1075   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
1076   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
1077   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
1078   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
1079   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
1080   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
1081   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
1082   ED_SELECTBOX_ID_CHANGE_SIDE,
1083   ED_SELECTBOX_ID_CHANGE_PLAYER,
1084   ED_SELECTBOX_ID_CHANGE_PAGE,
1085   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
1086   ED_SELECTBOX_ID_ACTION_TYPE,
1087   ED_SELECTBOX_ID_ACTION_MODE,
1088   ED_SELECTBOX_ID_ACTION_ARG,
1089   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
1090   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
1091
1092   ED_NUM_SELECTBOX
1093 };
1094
1095 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
1096 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
1097
1098 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1099 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1100
1101 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1102 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1103
1104 #define ED_SELECTBOX_ID_COLORS_FIRST    ED_SELECTBOX_ID_BD_COLOR_C64_B
1105 #define ED_SELECTBOX_ID_COLORS_LAST     ED_SELECTBOX_ID_BD_COLOR_C64_5
1106
1107 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
1108 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
1109 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
1110 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
1111 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
1112 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
1113
1114 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
1115 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1116
1117 // values for textbutton gadgets
1118 enum
1119 {
1120   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1121   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1122   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1123   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1124   ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
1125   ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
1126   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1127   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1128   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1129   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1130   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1131   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1132   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1133   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1134   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1135   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1136   ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS,
1137
1138   ED_NUM_TEXTBUTTONS
1139 };
1140
1141 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1142 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1143
1144 #define ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1145 #define ED_TAB_BUTTON_ID_ENGINECONFIG_LAST  ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1146
1147 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1148 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1149
1150 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1151 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1152
1153 // values for graphicbutton gadgets
1154 enum
1155 {
1156   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1157   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1158   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1159   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1160
1161   ED_NUM_GRAPHICBUTTONS
1162 };
1163
1164 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1165 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1166
1167 // values for checkbutton gadgets
1168 enum
1169 {
1170   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1171   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1172   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1173   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1174   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1175   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1176   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1177   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1178   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1179   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1180   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1181   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1182   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1183   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1184   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1185   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1186   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1187   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1188   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1189   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1190   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1191   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1192   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1193   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1194   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1195   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1196   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1197   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1198   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1199   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1200   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1201   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1202   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1203   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1204   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1205   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1206   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1207   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1208   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1209   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1210   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1211   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1212   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1213   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1214   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1215   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1216   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
1217   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1218   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1219   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
1220   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1221   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1222   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1223   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1224   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1225   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1226   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1227   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1228   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1229   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1230   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1231   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1232   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1233   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1234   ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
1235   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1236   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1237   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1238   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1239   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1240   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1241   ED_CHECKBUTTON_ID_MM_LASER_RED,
1242   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1243   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1244   ED_CHECKBUTTON_ID_DF_LASER_RED,
1245   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1246   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1247   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1248   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1249   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1250   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1251   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1252   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1253   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1254   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1255   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1256   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1257   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1258   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1259   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1260   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1261   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1262   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1263   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1264   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1265   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1266   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1267   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1268   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1269   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1270   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1271   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1272   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1273   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1274
1275   ED_NUM_CHECKBUTTONS
1276 };
1277
1278 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1279 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1280
1281 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1282 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1283
1284 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1285 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1286
1287 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1288 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1289
1290 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1291 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1292 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1293 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1294 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1295 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1296
1297 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1298 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1299
1300 // values for radiobutton gadgets
1301 enum
1302 {
1303   ED_RADIOBUTTON_ID_PERCENTAGE,
1304   ED_RADIOBUTTON_ID_QUANTITY,
1305
1306   ED_NUM_RADIOBUTTONS
1307 };
1308
1309 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1310 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1311
1312 // values for drawing area gadgets
1313 enum
1314 {
1315   ED_DRAWING_ID_DRAWING_LEVEL,
1316   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1317   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1318   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1319   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1320   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1321   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1322   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1323   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1324   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1325   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1326   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1327   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1328   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1329   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1330   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1331   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1332   ED_DRAWING_ID_ANDROID_CONTENT,
1333   ED_DRAWING_ID_AMOEBA_CONTENT,
1334   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1335   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1336   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1337   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1338   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1339   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1340   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1341   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1342   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1343   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1344   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1345   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1346   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1347   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1348   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1349   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1350   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1351   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1352   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1353   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1354   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1355   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1356   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1357   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1358   ED_DRAWING_ID_BD_NUT_CONTENT,
1359   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1360   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1361   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
1362   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
1363   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
1364   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
1365   ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
1366   ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
1367   ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
1368   ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
1369   ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
1370   ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
1371   ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
1372   ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
1373   ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
1374   ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
1375   ED_DRAWING_ID_START_ELEMENT,
1376   ED_DRAWING_ID_ARTWORK_ELEMENT,
1377   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1378   ED_DRAWING_ID_INVENTORY_CONTENT,
1379   ED_DRAWING_ID_MM_BALL_CONTENT,
1380   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1381   ED_DRAWING_ID_CUSTOM_CONTENT,
1382   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1383   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1384   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1385   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1386   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1387   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1388   ED_DRAWING_ID_GROUP_CONTENT,
1389   ED_DRAWING_ID_RANDOM_BACKGROUND,
1390
1391   ED_NUM_DRAWING_AREAS
1392 };
1393
1394 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1395 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1396
1397
1398 // ----------------------------------------------------------------------------
1399 // some internally used definitions
1400 // ----------------------------------------------------------------------------
1401
1402 // values for CopyLevelToUndoBuffer()
1403 #define UNDO_IMMEDIATE                  0
1404 #define UNDO_ACCUMULATE                 1
1405
1406 // values for scrollbars
1407 #define ED_SCROLL_NO                    0
1408 #define ED_SCROLL_LEFT                  1
1409 #define ED_SCROLL_RIGHT                 2
1410 #define ED_SCROLL_UP                    4
1411 #define ED_SCROLL_DOWN                  8
1412
1413 // screens in the level editor
1414 #define ED_MODE_DRAWING                 0
1415 #define ED_MODE_LEVELCONFIG             1
1416 #define ED_MODE_PROPERTIES              2
1417 #define ED_MODE_PALETTE                 3
1418
1419 // sub-screens in the global settings section
1420 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1421 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1422 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1423 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1424
1425 // sub-screens in the engine settings section
1426 #define ED_MODE_ENGINECONFIG_CONFIG     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1427 #define ED_MODE_ENGINECONFIG_COLORS     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1428
1429 // sub-screens in the element properties section
1430 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1431 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1432 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1433 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1434 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1435
1436 // how many steps can be cancelled
1437 #define NUM_UNDO_STEPS                  (64 + 1)
1438
1439 // values for elements with score for certain actions
1440 #define MIN_SCORE                       0
1441 #define MAX_SCORE                       999
1442
1443 // values for elements with count for collecting
1444 #define MIN_COLLECT_COUNT               0
1445 #define MAX_COLLECT_COUNT               999
1446
1447 // values for random placement
1448 #define RANDOM_USE_PERCENTAGE           0
1449 #define RANDOM_USE_QUANTITY             1
1450
1451 // values for level set save mode
1452 #define LEVELSET_SAVE_MODE_UPDATE       0
1453 #define LEVELSET_SAVE_MODE_CREATE       1
1454
1455 // default value for element tile size in drawing area
1456 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1457 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1458
1459
1460 // ----------------------------------------------------------------------------
1461 // some internally used data structure definitions
1462 // ----------------------------------------------------------------------------
1463
1464 static struct
1465 {
1466   int graphic;
1467   int gadget_id;
1468   struct XYTileSize *pos;
1469   int gadget_type;
1470   char *infotext;
1471   char shortcut;
1472 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1473 {
1474   // note: some additional characters are already reserved for "cheat mode"
1475   // shortcuts (":XYZ" style) -- for details, see "events.c"
1476
1477   // ---------- toolbox control buttons ---------------------------------------
1478
1479   {
1480     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1481     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1482     "Draw single items",                        's'
1483   },
1484   {
1485     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1486     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1487     "Draw connected items",                     'd'
1488   },
1489   {
1490     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1491     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1492     "Draw lines",                               'l'
1493   },
1494   {
1495     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1496     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1497     "Draw arcs",                                'a'
1498   },
1499   {
1500     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1501     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1502     "Draw outline rectangles",                  'r'
1503   },
1504   {
1505     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1506     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1507     "Draw filled rectangles",                   'R'
1508   },
1509   {
1510     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1511     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1512     "Wrap (rotate) level up",                   0
1513   },
1514   {
1515     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1516     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1517     "Enter text elements",                      't'
1518   },
1519   {
1520     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1521     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1522     "Flood fill",                               'f'
1523   },
1524   {
1525     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1526     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1527     "Wrap (rotate) level left",                 0
1528   },
1529   {
1530     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1531     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1532     "Zoom level tile size",                     '+'
1533   },
1534   {
1535     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1536     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1537     "Wrap (rotate) level right",                0
1538   },
1539   {
1540     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1541     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1542     "Random element placement",                 0
1543   },
1544   {
1545     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1546     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1547     "Grab brush",                               'b'
1548   },
1549   {
1550     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1551     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1552     "Wrap (rotate) level down",                 0
1553   },
1554   {
1555     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1556     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1557     "Pick drawing element",                     ','
1558   },
1559
1560   // ---------- level control buttons -----------------------------------------
1561
1562   {
1563     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1564     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1565     "Undo/redo last operation",                 'u'
1566   },
1567   {
1568     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1569     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1570     "Level and editor settings",                'I'
1571   },
1572   {
1573     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1574     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1575     "Save level",                               'S'
1576   },
1577   {
1578     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1579     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1580     "Clear level",                              'C'
1581   },
1582   {
1583     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1584     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1585     "Test level",                               'T'
1586   },
1587   {
1588     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1589     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1590     "Exit level editor",                        'E'
1591   },
1592
1593   // ---------- CE and GE control buttons -------------------------------------
1594
1595   {
1596     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1597     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1598     "Copy settings from other element",         0
1599   },
1600   {
1601     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1602     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1603     "Copy settings to other element",           0
1604   },
1605   {
1606     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1607     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1608     "Exchange element with other element",      0
1609   },
1610   {
1611     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1612     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1613     "Copy settings from this element",          0
1614   },
1615   {
1616     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1617     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1618     "Paste settings to this element",           0
1619   },
1620
1621   // ---------- palette control buttons ---------------------------------------
1622
1623   {
1624     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1625     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1626     "Properties of drawing element",            'p'
1627   },
1628   {
1629     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1630     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1631     "Properties of drawing element 1",          '1'
1632   },
1633   {
1634     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1635     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1636     "Properties of drawing element 2",          '2'
1637   },
1638   {
1639     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1640     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1641     "Properties of drawing element 3",          '3'
1642   },
1643   {
1644     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1645     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1646     "Show list of elements",                    'e'
1647   }
1648 };
1649
1650 static int random_placement_value = 10;
1651 static int random_placement_method = RANDOM_USE_QUANTITY;
1652 static int random_placement_background_element = EL_SAND;
1653 static boolean random_placement_background_restricted = FALSE;
1654 static boolean stick_element_properties_window = FALSE;
1655 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1656 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1657 static struct ElementChangeInfo custom_element_change;
1658 static struct ElementGroupInfo group_element_info;
1659 static struct ElementInfo custom_element;
1660
1661 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1662 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1663 static int levelset_num_levels = 100;
1664 static boolean levelset_use_levelset_artwork = FALSE;
1665 static boolean levelset_copy_level_template = FALSE;
1666 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1667
1668 #define MAX_BD_COLORS                   7
1669 #define MAX_BD_COLOR_RGB_TEXT_LEN       7
1670
1671 static boolean bd_color_type_changed = FALSE;
1672 static int bd_color_c64[MAX_BD_COLORS];
1673 static char bd_color_rgb[MAX_BD_COLORS][MAX_BD_COLOR_RGB_TEXT_LEN + 1];
1674 static int bd_color_default[MAX_BD_COLORS];
1675 static int *bd_color[MAX_BD_COLORS] =
1676 {
1677   &level.bd_color_b,
1678   &level.bd_color_0,
1679   &level.bd_color_1,
1680   &level.bd_color_2,
1681   &level.bd_color_3,
1682   &level.bd_color_4,
1683   &level.bd_color_5,
1684 };
1685
1686 static struct
1687 {
1688   int gadget_type_id;
1689   int x, y;
1690   int min_value, max_value;
1691   int gadget_id_down, gadget_id_up;
1692   int gadget_id_text;
1693   int gadget_id_align;
1694   int *value;
1695   char *text_above, *text_left, *text_right;
1696 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1697 {
1698   // ---------- current level number ------------------------------------------
1699
1700   {
1701     ED_COUNTER_ID_SELECT_LEVEL,
1702     -1, -1,     // these values are not constant, but can change at runtime
1703     1,                                          100,
1704     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1705     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1706     &level_nr,
1707     NULL,                                       NULL, NULL
1708   },
1709
1710   // ---------- level and editor settings -------------------------------------
1711
1712   {
1713     ED_COUNTER_ID_LEVEL_XSIZE,
1714     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1715     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1716     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1717     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1718     &level.fieldx,
1719     "Playfield size:",                          NULL, "Width",
1720   },
1721   {
1722     ED_COUNTER_ID_LEVEL_YSIZE,
1723     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1724     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1725     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1726     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1727     &level.fieldy,
1728     NULL,                                       " ", "Height",
1729   },
1730   {
1731     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1732     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1733     0,                                          999,
1734     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1735     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1736     &level.gems_needed,
1737     NULL,                                       "Number of gems to collect:", NULL
1738   },
1739   {
1740     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1741     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1742     0,                                          9999,
1743     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1744     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1745     &level.time,
1746     "Time or step limit to solve level:",       NULL, NULL
1747   },
1748   {
1749     ED_COUNTER_ID_LEVEL_TIMESCORE,
1750     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1751     0,                                          999,
1752     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1753     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1754     &level.score[SC_TIME_BONUS],
1755     "Score for time or steps left:",            NULL, NULL
1756   },
1757   {
1758     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1759     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1760     0,                                          9999,
1761     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1762     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1763     &level.random_seed,
1764     NULL,                                       "Random seed:", "(0 => random)"
1765   },
1766   {
1767     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1768     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1769     1,                                          MAX_LEVELS,
1770     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1771     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1772     &levelset_num_levels,
1773     "Number of levels:",                        NULL, NULL,
1774   },
1775   {
1776     ED_COUNTER_ID_LEVEL_RANDOM,
1777     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1778     1,                                          100,
1779     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1780     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1781     &random_placement_value,
1782     "Random element placement:",                NULL, "in"
1783   },
1784   {
1785     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1786     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1787     50,                                         500,
1788     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1789     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1790     &level.bd_cycle_delay_ms,
1791     NULL,                                       NULL, "Game cycle delay (ms)"
1792   },
1793   {
1794     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1795     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1796     0,                                          32,
1797     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1798     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1799     &level.bd_cycle_delay_c64,
1800     NULL,                                       NULL, "Game cycle delay (C64-style)"
1801   },
1802   {
1803     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1804     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1805     1,                                          40,
1806     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1807     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1808     &level.bd_hatching_delay_cycles,
1809     NULL,                                       NULL, "Hatching delay (cycles)"
1810   },
1811   {
1812     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1813     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1814     1,                                          40,
1815     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1816     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1817     &level.bd_hatching_delay_seconds,
1818     NULL,                                       NULL, "Hatching delay (seconds)"
1819   },
1820
1821   // ---------- element settings: configure (various elements) ----------------
1822
1823   {
1824     ED_COUNTER_ID_BD_PUSHING_PROB,
1825     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1826     0,                                          100,
1827     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1828     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1829     &level.bd_pushing_prob,
1830     NULL,                                       NULL, "Push probability"
1831   },
1832   {
1833     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1834     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1835     0,                                          100,
1836     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1837     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1838     &level.bd_pushing_prob_with_sweet,
1839     NULL,                                       NULL, "Push probability with sweet"
1840   },
1841   {
1842     ED_COUNTER_ID_ELEMENT_VALUE1,
1843     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1844     MIN_SCORE,                                  MAX_SCORE,
1845     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1846     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1847     NULL,                                       // will be set when used
1848     NULL,                                       NULL, NULL
1849   },
1850   {
1851     ED_COUNTER_ID_ELEMENT_VALUE2,
1852     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1853     MIN_SCORE,                                  MAX_SCORE,
1854     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1855     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1856     NULL,                                       // will be set when used
1857     NULL,                                       NULL, NULL
1858   },
1859   {
1860     ED_COUNTER_ID_ELEMENT_VALUE3,
1861     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1862     MIN_SCORE,                                  MAX_SCORE,
1863     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1864     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1865     NULL,                                       // will be set when used
1866     NULL,                                       NULL, NULL
1867   },
1868   {
1869     ED_COUNTER_ID_ELEMENT_VALUE4,
1870     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1871     MIN_SCORE,                                  MAX_SCORE,
1872     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1873     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1874     NULL,                                       // will be set when used
1875     NULL,                                       NULL, NULL
1876   },
1877   {
1878     ED_COUNTER_ID_YAMYAM_CONTENT,
1879     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1880     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1881     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1882     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1883     &level.num_yamyam_contents,
1884     NULL,                                       NULL, "Number of content areas"
1885   },
1886   {
1887     ED_COUNTER_ID_BALL_CONTENT,
1888     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1889     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1890     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1891     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1892     &level.num_ball_contents,
1893     NULL,                                       NULL, "Number of content areas"
1894   },
1895   {
1896     ED_COUNTER_ID_ANDROID_CONTENT,
1897     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1898     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1899     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1900     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1901     &level.num_android_clone_elements,
1902     NULL,                                       NULL, "Number of clonable elements"
1903   },
1904   {
1905     ED_COUNTER_ID_ENVELOPE_XSIZE,
1906     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1907     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1908     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1909     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1910     NULL,                                       // will be set when used
1911     NULL,                                       NULL, "Width",
1912   },
1913   {
1914     ED_COUNTER_ID_ENVELOPE_YSIZE,
1915     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1916     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1917     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1918     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1919     NULL,                                       // will be set when used
1920     NULL,                                       " ", "Height",
1921   },
1922   {
1923     ED_COUNTER_ID_INVENTORY_SIZE,
1924     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1925     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1926     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1927     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1928     &level.initial_inventory_size[0],
1929     NULL,                                       NULL, "Number of inventory elements"
1930   },
1931   {
1932     ED_COUNTER_ID_MM_BALL_CONTENT,
1933     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1934     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1935     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1936     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1937     &level.num_mm_ball_contents,
1938     NULL,                                       NULL, "Number of content elements"
1939   },
1940
1941   // ---------- element settings: configure 1 (custom elements) ---------------
1942
1943   {
1944     ED_COUNTER_ID_CUSTOM_SCORE,
1945     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1946     MIN_SCORE,                                  MAX_SCORE,
1947     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1948     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1949     &custom_element.collect_score_initial,
1950     NULL,                                       "CE score", " "
1951   },
1952   {
1953     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1954     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1955     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1956     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1957     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1958     &custom_element.collect_count_initial,
1959     NULL,                                       "CE count", NULL
1960   },
1961   {
1962     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1963     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1964     0,                                          9999,
1965     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1966     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1967     &custom_element.ce_value_fixed_initial,
1968     NULL,                                       "CE value", NULL
1969   },
1970   {
1971     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1972     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1973     0,                                          9999,
1974     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1975     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1976     &custom_element.ce_value_random_initial,
1977     NULL,                                       "+random", NULL
1978   },
1979   {
1980     ED_COUNTER_ID_PUSH_DELAY_FIX,
1981     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1982     0,                                          999,
1983     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1984     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1985     &custom_element.push_delay_fixed,
1986     NULL,                                       "Push delay", NULL
1987   },
1988   {
1989     ED_COUNTER_ID_PUSH_DELAY_RND,
1990     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1991     0,                                          999,
1992     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1993     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1994     &custom_element.push_delay_random,
1995     NULL,                                       "+random", NULL
1996   },
1997   {
1998     ED_COUNTER_ID_DROP_DELAY_FIX,
1999     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
2000     0,                                          999,
2001     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
2002     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2003     &custom_element.drop_delay_fixed,
2004     NULL,                                       "Drop delay", NULL
2005   },
2006   {
2007     ED_COUNTER_ID_DROP_DELAY_RND,
2008     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
2009     0,                                          999,
2010     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
2011     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
2012     &custom_element.drop_delay_random,
2013     NULL,                                       "+random", NULL
2014   },
2015
2016   // ---------- element settings: configure 2 (custom elements) ---------------
2017
2018   {
2019     ED_COUNTER_ID_MOVE_DELAY_FIX,
2020     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
2021     0,                                          999,
2022     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
2023     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2024     &custom_element.move_delay_fixed,
2025     NULL,                                       "Move delay", NULL
2026   },
2027   {
2028     ED_COUNTER_ID_MOVE_DELAY_RND,
2029     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
2030     0,                                          999,
2031     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
2032     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
2033     &custom_element.move_delay_random,
2034     NULL,                                       "+random", NULL
2035   },
2036   {
2037     ED_COUNTER_ID_STEP_DELAY_FIX,
2038     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
2039     0,                                          999,
2040     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
2041     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
2042     &custom_element.step_delay_fixed,
2043     NULL,                                       "Step delay", NULL
2044   },
2045   {
2046     ED_COUNTER_ID_STEP_DELAY_RND,
2047     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
2048     0,                                          999,
2049     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
2050     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
2051     &custom_element.step_delay_random,
2052     NULL,                                       "+random", NULL
2053   },
2054   {
2055     ED_COUNTER_ID_EXPLOSION_DELAY,
2056     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
2057     0,                                          999,
2058     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
2059     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
2060     &custom_element.explosion_delay,
2061     NULL,                                       "Explosion delay", NULL
2062   },
2063   {
2064     ED_COUNTER_ID_IGNITION_DELAY,
2065     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
2066     0,                                          999,
2067     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
2068     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
2069     &custom_element.ignition_delay,
2070     NULL,                                       "Ignition delay", "(by fire)"
2071   },
2072
2073   // ---------- element settings: configure (group elements) ------------------
2074
2075   {
2076     ED_COUNTER_ID_GROUP_CONTENT,
2077     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2078     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
2079     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
2080     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
2081     &group_element_info.num_elements,
2082     NULL,                                       NULL, "Number of elements in group"
2083   },
2084
2085   // ---------- element settings: advanced (custom elements) ------------------
2086
2087   {
2088     ED_COUNTER_ID_CHANGE_DELAY_FIX,
2089     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
2090     0,                                          999,
2091     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2092     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
2093     &custom_element_change.delay_fixed,
2094     NULL,                                       "CE delay", NULL,
2095   },
2096   {
2097     ED_COUNTER_ID_CHANGE_DELAY_RND,
2098     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2099     0,                                          999,
2100     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
2101     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2102     &custom_element_change.delay_random,
2103     NULL,                                       "+random", NULL
2104   },
2105   {
2106     ED_COUNTER_ID_CHANGE_CONT_RND,
2107     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
2108     0,                                          100,
2109     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
2110     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
2111     &custom_element_change.random_percentage,
2112     NULL,                                       "Use random replace:", "%"
2113   },
2114 };
2115
2116 static struct
2117 {
2118   int gadget_type_id;
2119   int x, y;
2120   int gadget_id;
2121   int size;
2122   char *value;
2123   char *text_above, *text_left, *text_right, *infotext;
2124 } textinput_info[ED_NUM_TEXTINPUT] =
2125 {
2126   // ---------- level and editor settings -------------------------------------
2127
2128   {
2129     ED_TEXTINPUT_ID_LEVEL_NAME,
2130     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2131     GADGET_ID_LEVEL_NAME,
2132     MAX_LEVEL_NAME_LEN,
2133     level.name,
2134     "Title:", NULL, NULL,                       "Enter title for this level"
2135   },
2136   {
2137     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
2138     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2139     GADGET_ID_LEVEL_AUTHOR,
2140     MAX_LEVEL_AUTHOR_LEN,
2141     level.author,
2142     "Author:", NULL, NULL,                      "Enter author for this level"
2143   },
2144   {
2145     ED_TEXTINPUT_ID_LEVELSET_NAME,
2146     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2147     GADGET_ID_LEVELSET_NAME,
2148     MAX_LEVEL_NAME_LEN,
2149     levelset_name,
2150     "Title:", NULL, NULL,                       "Enter title for this or new level set"
2151   },
2152   {
2153     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
2154     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2155     GADGET_ID_LEVELSET_AUTHOR,
2156     MAX_LEVEL_AUTHOR_LEN,
2157     levelset_author,
2158     "Author:", NULL, NULL,                      "Enter author for this or new level set"
2159   },
2160
2161   // ---------- engine settings: colors ---------------------------------------
2162
2163   {
2164     ED_TEXTINPUT_ID_BD_COLOR_RGB_B,
2165     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
2166     GADGET_ID_BD_COLOR_RGB_B,
2167     MAX_BD_COLOR_RGB_TEXT_LEN,
2168     bd_color_rgb[0],
2169     NULL, "Border color:    ", NULL,            "Enter border color (not used)"
2170   },
2171   {
2172     ED_TEXTINPUT_ID_BD_COLOR_RGB_0,
2173     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
2174     GADGET_ID_BD_COLOR_RGB_0,
2175     MAX_BD_COLOR_RGB_TEXT_LEN,
2176     bd_color_rgb[1],
2177     NULL, "Background color:", NULL,            "Enter background color (C64 graphics)"
2178   },
2179   {
2180     ED_TEXTINPUT_ID_BD_COLOR_RGB_1,
2181     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
2182     GADGET_ID_BD_COLOR_RGB_1,
2183     MAX_BD_COLOR_RGB_TEXT_LEN,
2184     bd_color_rgb[2],
2185     NULL, "Sand color:      ", NULL,            "Enter sand color (C64 graphics)"
2186   },
2187   {
2188     ED_TEXTINPUT_ID_BD_COLOR_RGB_2,
2189     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
2190     GADGET_ID_BD_COLOR_RGB_2,
2191     MAX_BD_COLOR_RGB_TEXT_LEN,
2192     bd_color_rgb[3],
2193     NULL, "Steel wall color:", NULL,            "Enter steel wall color (C64 graphics)"
2194   },
2195   {
2196     ED_TEXTINPUT_ID_BD_COLOR_RGB_3,
2197     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(5),
2198     GADGET_ID_BD_COLOR_RGB_3,
2199     MAX_BD_COLOR_RGB_TEXT_LEN,
2200     bd_color_rgb[4],
2201     NULL, "Wall color:      ", NULL,            "Enter wall color (C64 graphics)"
2202   },
2203   {
2204     ED_TEXTINPUT_ID_BD_COLOR_RGB_4,
2205     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
2206     GADGET_ID_BD_COLOR_RGB_4,
2207     MAX_BD_COLOR_RGB_TEXT_LEN,
2208     bd_color_rgb[5],
2209     NULL, "Amoeba color:    ", NULL,            "Enter amoeba color (C64 graphics)"
2210   },
2211   {
2212     ED_TEXTINPUT_ID_BD_COLOR_RGB_5,
2213     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
2214     GADGET_ID_BD_COLOR_RGB_5,
2215     MAX_BD_COLOR_RGB_TEXT_LEN,
2216     bd_color_rgb[6],
2217     NULL, "Slime color:     ", NULL,            "Enter slime color (C64 graphics)"
2218   },
2219
2220   // ---------- element settings: configure (several elements) ----------------
2221
2222   {
2223     ED_TEXTINPUT_ID_ELEMENT_NAME,
2224     -1, -1,     // these values are not constant, but can change at runtime
2225     GADGET_ID_ELEMENT_NAME,
2226     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2227     custom_element.description,
2228     NULL, NULL, NULL,                           "Enter element name"
2229   }
2230 };
2231
2232 static struct
2233 {
2234   int gadget_type_id;
2235   int x, y;
2236   int gadget_id;
2237   int xsize, ysize;
2238   char *value;
2239   char *text_above, *text_above_cropped, *infotext;
2240 } textarea_info[ED_NUM_TEXTAREAS] =
2241 {
2242   {
2243     ED_TEXTAREA_ID_ENVELOPE_INFO,
2244     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2245     GADGET_ID_ENVELOPE_INFO,
2246     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2247     NULL,
2248     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2249   }
2250 };
2251
2252 static struct ValueTextInfo options_time_or_steps[] =
2253 {
2254   { 0,                                  "seconds"                       },
2255   { 1,                                  "steps"                         },
2256
2257   { -1,                                 NULL                            }
2258 };
2259
2260 static struct ValueTextInfo options_time_score_base[] =
2261 {
2262   { 1,                                  "per second/step"               },
2263   { 10,                                 "per 10 seconds/steps"          },
2264
2265   { -1,                                 NULL                            }
2266 };
2267
2268 static struct ValueTextInfo options_game_engine_type[] =
2269 {
2270   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2271   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2272   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2273   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2274   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2275
2276   { -1,                                 NULL                            }
2277 };
2278
2279 static struct ValueTextInfo options_levelset_save_mode[] =
2280 {
2281   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2282   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2283
2284   { -1,                                 NULL                            }
2285 };
2286
2287 static struct ValueTextInfo options_bd_gravity_direction[] =
2288 {
2289   { GD_MV_DOWN,                         "down"                          },
2290   { GD_MV_UP,                           "up"                            },
2291   { GD_MV_LEFT,                         "left"                          },
2292   { GD_MV_RIGHT,                        "right"                         },
2293
2294   { -1,                                 NULL                            }
2295 };
2296
2297 static struct ValueTextInfo options_wind_direction[] =
2298 {
2299   { MV_START_NONE,                      "none"                          },
2300   { MV_START_LEFT,                      "left"                          },
2301   { MV_START_RIGHT,                     "right"                         },
2302   { MV_START_UP,                        "up"                            },
2303   { MV_START_DOWN,                      "down"                          },
2304
2305   { -1,                                 NULL                            }
2306 };
2307
2308 static struct ValueTextInfo options_player_speed[] =
2309 {
2310   { 0,                                  "frozen"                        },
2311   { 1,                                  "very slow"                     },
2312   { 2,                                  "slow"                          },
2313   { 4,                                  "normal"                        },
2314   { 8,                                  "fast"                          },
2315   { 16,                                 "very fast"                     },
2316   { 32,                                 "ultrafast"                     },
2317
2318   { -1,                                 NULL                            }
2319 };
2320
2321 static struct ValueTextInfo options_access_type[] =
2322 {
2323   { EP_WALKABLE,                        "walkable"                      },
2324   { EP_PASSABLE,                        "passable"                      },
2325
2326   { -1,                                 NULL                            }
2327 };
2328
2329 static struct ValueTextInfo options_access_layer[] =
2330 {
2331   { EP_ACCESSIBLE_OVER,                 "over"                          },
2332   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2333   { EP_ACCESSIBLE_UNDER,                "under"                         },
2334
2335   { -1,                                 NULL                            }
2336 };
2337
2338 static struct ValueTextInfo options_access_protected[] =
2339 {
2340   { 0,                                  "unprotected"                   },
2341   { 1,                                  "protected"                     },
2342
2343   { -1,                                 NULL                            }
2344 };
2345
2346 static struct ValueTextInfo options_access_direction[] =
2347 {
2348   { MV_NO_DIRECTION,                    "no direction"                  },
2349   { MV_LEFT,                            "left"                          },
2350   { MV_RIGHT,                           "right"                         },
2351   { MV_UP,                              "up"                            },
2352   { MV_DOWN,                            "down"                          },
2353   { MV_LEFT  | MV_UP,                   "left + up"                     },
2354   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2355   { MV_RIGHT | MV_UP,                   "right + up"                    },
2356   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2357   { MV_HORIZONTAL,                      "horizontal"                    },
2358   { MV_VERTICAL,                        "vertical"                      },
2359   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2360   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2361   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2362   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2363   { MV_ALL_DIRECTIONS,                  "all directions"                },
2364
2365   { -1,                                 NULL                            }
2366 };
2367
2368 static struct ValueTextInfo options_walk_to_action[] =
2369 {
2370   { EP_DIGGABLE,                        "diggable"                      },
2371   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2372   { EP_DROPPABLE,                       "collectible & droppable"       },
2373   { EP_THROWABLE,                       "collectible & throwable"       },
2374   { EP_PUSHABLE,                        "pushable"                      },
2375
2376   { -1,                                 NULL                            }
2377 };
2378
2379 static struct ValueTextInfo options_move_pattern[] =
2380 {
2381   { MV_LEFT,                            "left"                          },
2382   { MV_RIGHT,                           "right"                         },
2383   { MV_UP,                              "up"                            },
2384   { MV_DOWN,                            "down"                          },
2385   { MV_HORIZONTAL,                      "horizontal"                    },
2386   { MV_VERTICAL,                        "vertical"                      },
2387   { MV_ALL_DIRECTIONS,                  "all directions"                },
2388   { MV_WIND_DIRECTION,                  "wind direction"                },
2389   { MV_TOWARDS_PLAYER,                  "towards player"                },
2390   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2391   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2392   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2393   { MV_TURNING_LEFT,                    "turning left"                  },
2394   { MV_TURNING_RIGHT,                   "turning right"                 },
2395   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2396   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2397   { MV_TURNING_RANDOM,                  "turning random"                },
2398   { MV_MAZE_RUNNER,                     "maze runner style"             },
2399   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2400   { MV_WHEN_PUSHED,                     "when pushed"                   },
2401   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2402
2403   { -1,                                 NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_move_direction[] =
2407 {
2408   { MV_START_AUTOMATIC,                 "automatic"                     },
2409   { MV_START_LEFT,                      "left"                          },
2410   { MV_START_RIGHT,                     "right"                         },
2411   { MV_START_UP,                        "up"                            },
2412   { MV_START_DOWN,                      "down"                          },
2413   { MV_START_RANDOM,                    "random"                        },
2414   { MV_START_PREVIOUS,                  "previous"                      },
2415
2416   { -1,                                 NULL                            }
2417 };
2418
2419 static struct ValueTextInfo options_move_stepsize[] =
2420 {
2421   { 0,                                  "not moving"                    },
2422   { 1,                                  "very slow"                     },
2423   { 2,                                  "slow"                          },
2424   { 4,                                  "normal"                        },
2425   { 8,                                  "fast"                          },
2426   { 16,                                 "very fast"                     },
2427   { 32,                                 "even faster"                   },
2428
2429   { -1,                                 NULL                            }
2430 };
2431
2432 static struct ValueTextInfo options_move_leave_type[] =
2433 {
2434   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2435   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2436
2437   { -1,                                 NULL                            }
2438 };
2439
2440 static struct ValueTextInfo options_smash_targets[] =
2441 {
2442   { EP_CAN_SMASH_PLAYER,                "player"                        },
2443 #if 0
2444   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2445 #endif
2446   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2447
2448   { -1,                                 NULL                            }
2449 };
2450
2451 static struct ValueTextInfo options_slippery_type[] =
2452 {
2453   { SLIPPERY_ANY_RANDOM,                "random"                        },
2454   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2455   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2456   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2457   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2458
2459   { -1,                                 NULL                            }
2460 };
2461
2462 static struct ValueTextInfo options_deadliness[] =
2463 {
2464   { EP_DONT_RUN_INTO,                   "running into"                  },
2465   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2466   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2467   { EP_DONT_TOUCH,                      "touching"                      },
2468
2469   { -1,                                 NULL                            }
2470 };
2471
2472 static struct ValueTextInfo options_explosion_type[] =
2473 {
2474   { EXPLODES_3X3,                       "3x3"                           },
2475   { EXPLODES_CROSS,                     "3+3"                           },
2476   { EXPLODES_1X1,                       "1x1"                           },
2477
2478   { -1,                                 NULL                            }
2479 };
2480
2481 static struct ValueTextInfo options_time_units[] =
2482 {
2483   { 1,                                  "frames"                        },
2484   { FRAMES_PER_SECOND,                  "seconds"                       },
2485
2486   { -1,                                 NULL                            }
2487 };
2488
2489 static struct ValueTextInfo options_change_direct_action[] =
2490 {
2491   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2492   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2493   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2494   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2495   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2496   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2497   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2498   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2499   { CE_SWITCHED,                        "switched"                      },
2500   { CE_HITTING_SOMETHING,               "hitting something"             },
2501   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2502 #if 0
2503   { CE_BLOCKED,                         "blocked"                       },
2504 #endif
2505   { CE_IMPACT,                          "impact (on something)"         },
2506   { CE_SMASHED,                         "smashed (from above)"          },
2507 #if 0
2508   { CE_VALUE_CHANGES,                   "CE value changes"              },
2509   { CE_SCORE_CHANGES,                   "CE score changes"              },
2510 #endif
2511   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2512   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2513   { CE_UNDEFINED,                       " "                             },
2514   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2515   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2516   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2517   { CE_UNDEFINED,                       " "                             },
2518   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2519   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2520
2521   { -1,                                 NULL                            }
2522 };
2523
2524 static struct ValueTextInfo options_change_other_action[] =
2525 {
2526   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2527   { CE_PLAYER_PRESSES_X,                "player presses"                },
2528   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2529   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2530   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2531   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2532   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2533   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2534   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2535   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2536   { CE_TOUCHING_X,                      "touching"                      },
2537   { CE_HITTING_X,                       "hitting"                       },
2538   { CE_DIGGING_X,                       "digging"                       },
2539   { CE_HIT_BY_X,                        "hit by"                        },
2540   { CE_SWITCH_OF_X,                     "switch of"                     },
2541   { CE_CHANGE_OF_X,                     "change by page of"             },
2542   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2543   { CE_MOVE_OF_X,                       "move of"                       },
2544   { CE_CREATION_OF_X,                   "creation of"                   },
2545   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2546   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2547   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2548   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2549   { CE_UNDEFINED,                       " "                             },
2550   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2551   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2552   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2553   { CE_UNDEFINED,                       " "                             },
2554   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2555   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2556   { CE_NEXT_TO_X,                       "next to"                       },
2557
2558   { -1,                                 NULL                            }
2559 };
2560
2561 static struct ValueTextInfo options_change_trigger_side[] =
2562 {
2563   { CH_SIDE_LEFT,                       "left"                          },
2564   { CH_SIDE_RIGHT,                      "right"                         },
2565   { CH_SIDE_TOP,                        "top"                           },
2566   { CH_SIDE_BOTTOM,                     "bottom"                        },
2567   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2568   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2569   { CH_SIDE_ANY,                        "any"                           },
2570
2571   { -1,                                 NULL                            }
2572 };
2573
2574 static struct ValueTextInfo options_change_trigger_player[] =
2575 {
2576   { CH_PLAYER_1,                        "1"                             },
2577   { CH_PLAYER_2,                        "2"                             },
2578   { CH_PLAYER_3,                        "3"                             },
2579   { CH_PLAYER_4,                        "4"                             },
2580   { CH_PLAYER_ANY,                      "any"                           },
2581
2582   { -1,                                 NULL                            }
2583 };
2584
2585 static struct ValueTextInfo options_change_trigger_page[] =
2586 {
2587   { (1u << 0),                          "1"                             },
2588   { (1u << 1),                          "2"                             },
2589   { (1u << 2),                          "3"                             },
2590   { (1u << 3),                          "4"                             },
2591   { (1u << 4),                          "5"                             },
2592   { (1u << 5),                          "6"                             },
2593   { (1u << 6),                          "7"                             },
2594   { (1u << 7),                          "8"                             },
2595   { (1u << 8),                          "9"                             },
2596   { (1u << 9),                          "10"                            },
2597   { (1u << 10),                         "11"                            },
2598   { (1u << 11),                         "12"                            },
2599   { (1u << 12),                         "13"                            },
2600   { (1u << 13),                         "14"                            },
2601   { (1u << 14),                         "15"                            },
2602   { (1u << 15),                         "16"                            },
2603   { (1u << 16),                         "17"                            },
2604   { (1u << 17),                         "18"                            },
2605   { (1u << 18),                         "19"                            },
2606   { (1u << 19),                         "20"                            },
2607   { (1u << 20),                         "21"                            },
2608   { (1u << 21),                         "22"                            },
2609   { (1u << 22),                         "23"                            },
2610   { (1u << 23),                         "24"                            },
2611   { (1u << 24),                         "25"                            },
2612   { (1u << 25),                         "26"                            },
2613   { (1u << 26),                         "27"                            },
2614   { (1u << 27),                         "28"                            },
2615   { (1u << 28),                         "29"                            },
2616   { (1u << 29),                         "30"                            },
2617   { (1u << 30),                         "31"                            },
2618   { (1u << 31),                         "32"                            },
2619   { CH_PAGE_ANY,                        "any"                           },
2620
2621   { -1,                                 NULL                            }
2622 };
2623
2624 static struct ValueTextInfo options_change_replace_when[] =
2625 {
2626   { CP_WHEN_EMPTY,                      "empty"                         },
2627   { CP_WHEN_WALKABLE,                   "walkable"                      },
2628   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2629   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2630   { CP_WHEN_REMOVABLE,                  "removable"                     },
2631   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2632
2633   { -1,                                 NULL                            }
2634 };
2635
2636 static struct ValueTextInfo options_action_type[] =
2637 {
2638   { CA_NO_ACTION,                       "no action"                     },
2639   { CA_UNDEFINED,                       " "                             },
2640   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2641   { CA_RESTART_LEVEL,                   "restart level"                 },
2642   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2643   { CA_SET_LEVEL_TIME,                  "set time"                      },
2644   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2645   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2646   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2647   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2648   { CA_UNDEFINED,                       " "                             },
2649   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2650   { CA_MOVE_PLAYER,                     "move player"                   },
2651   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2652   { CA_EXIT_PLAYER,                     "exit player"                   },
2653   { CA_KILL_PLAYER,                     "kill player"                   },
2654   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2655   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2656   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2657   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2658   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2659   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2660   { CA_UNDEFINED,                       " "                             },
2661   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2662   { CA_SET_CE_VALUE,                    "set CE value"                  },
2663   { CA_SET_CE_SCORE,                    "set CE score"                  },
2664   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2665   { CA_UNDEFINED,                       " "                             },
2666   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2667   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2668
2669   { -1,                                 NULL                            }
2670 };
2671
2672 static struct ValueTextInfo options_action_mode_none[] =
2673 {
2674   { CA_MODE_UNDEFINED,                  " "                             },
2675
2676   { -1,                                 NULL                            }
2677 };
2678
2679 static struct ValueTextInfo options_action_mode_assign[] =
2680 {
2681   { CA_MODE_SET,                        "="                             },
2682
2683   { -1,                                 NULL                            }
2684 };
2685
2686 static struct ValueTextInfo options_action_mode_add_remove[] =
2687 {
2688   { CA_MODE_ADD,                        "+"                             },
2689   { CA_MODE_SUBTRACT,                   "-"                             },
2690
2691   { -1,                                 NULL                            }
2692 };
2693
2694 static struct ValueTextInfo options_action_mode_calculate[] =
2695 {
2696   { CA_MODE_SET,                        "="                             },
2697   { CA_MODE_ADD,                        "+"                             },
2698   { CA_MODE_SUBTRACT,                   "-"                             },
2699   { CA_MODE_MULTIPLY,                   "*"                             },
2700   { CA_MODE_DIVIDE,                     "/"                             },
2701   { CA_MODE_MODULO,                     "%"                             },
2702
2703   { -1,                                 NULL                            }
2704 };
2705
2706 static struct ValueTextInfo options_action_arg_none[] =
2707 {
2708   { CA_ARG_UNDEFINED,                   "         "                     },
2709
2710   { -1,                                 NULL                            }
2711 };
2712
2713 static struct ValueTextInfo options_action_arg_player[] =
2714 {
2715   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2716   { CA_ARG_PLAYER_1,                    "1"                             },
2717   { CA_ARG_PLAYER_2,                    "2"                             },
2718   { CA_ARG_PLAYER_3,                    "3"                             },
2719   { CA_ARG_PLAYER_4,                    "4"                             },
2720   { CA_ARG_PLAYER_ANY,                  "any"                           },
2721   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2722   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2723
2724   { -1,                                 NULL                            }
2725 };
2726
2727 static struct ValueTextInfo options_action_arg_number[] =
2728 {
2729   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2730   { CA_ARG_0,                           "0"                             },
2731   { CA_ARG_1,                           "1"                             },
2732   { CA_ARG_2,                           "2"                             },
2733   { CA_ARG_3,                           "3"                             },
2734   { CA_ARG_4,                           "4"                             },
2735   { CA_ARG_5,                           "5"                             },
2736   { CA_ARG_10,                          "10"                            },
2737   { CA_ARG_100,                         "100"                           },
2738   { CA_ARG_1000,                        "1000"                          },
2739   { CA_ARG_UNDEFINED,                   " "                             },
2740   { CA_ARG_NUMBER_MIN,                  "min"                           },
2741   { CA_ARG_NUMBER_MAX,                  "max"                           },
2742   { CA_ARG_UNDEFINED,                   " "                             },
2743   { CA_ARG_NUMBER_RESET,                "reset"                         },
2744   { CA_ARG_UNDEFINED,                   " "                             },
2745   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2746   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2747   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2748   { CA_ARG_UNDEFINED,                   " "                             },
2749   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2750   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2751   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2752   { CA_ARG_UNDEFINED,                   " "                             },
2753   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2754   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2755   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2756   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2757   { CA_ARG_UNDEFINED,                   " "                             },
2758   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2759   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2760   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2761   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2762
2763   { -1,                                 NULL                            }
2764 };
2765
2766 static struct ValueTextInfo options_action_arg_value[] =
2767 {
2768   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2769   { CA_ARG_0,                           "0"                             },
2770   { CA_ARG_1,                           "1"                             },
2771   { CA_ARG_2,                           "2"                             },
2772   { CA_ARG_3,                           "3"                             },
2773   { CA_ARG_4,                           "4"                             },
2774   { CA_ARG_5,                           "5"                             },
2775   { CA_ARG_10,                          "10"                            },
2776   { CA_ARG_100,                         "100"                           },
2777   { CA_ARG_1000,                        "1000"                          },
2778   { CA_ARG_UNDEFINED,                   " "                             },
2779   { CA_ARG_NUMBER_MIN,                  "min"                           },
2780   { CA_ARG_NUMBER_MAX,                  "max"                           },
2781   { CA_ARG_UNDEFINED,                   " "                             },
2782   { CA_ARG_NUMBER_RESET,                "reset"                         },
2783   { CA_ARG_UNDEFINED,                   " "                             },
2784   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2785   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2786   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2787   { CA_ARG_UNDEFINED,                   " "                             },
2788   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2789   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2790   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2791   { CA_ARG_UNDEFINED,                   " "                             },
2792   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2793   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2794   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2795   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2796   { CA_ARG_UNDEFINED,                   " "                             },
2797   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2798   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2799   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2800   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2801   { CA_ARG_UNDEFINED,                   " "                             },
2802   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2803   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2804   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2805   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2806
2807   { -1,                                 NULL                            }
2808 };
2809
2810 static struct ValueTextInfo options_action_arg_envelope[] =
2811 {
2812   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2813   { CA_ARG_1,                           "1"                             },
2814   { CA_ARG_2,                           "2"                             },
2815   { CA_ARG_3,                           "3"                             },
2816   { CA_ARG_4,                           "4"                             },
2817   { CA_ARG_UNDEFINED,                   " "                             },
2818   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2819   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2820   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2821   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2822
2823   { -1,                                 NULL                            }
2824 };
2825
2826 static struct ValueTextInfo options_action_arg_key[] =
2827 {
2828   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2829   { CA_ARG_1,                           "1"                             },
2830   { CA_ARG_2,                           "2"                             },
2831   { CA_ARG_3,                           "3"                             },
2832   { CA_ARG_4,                           "4"                             },
2833   { CA_ARG_5,                           "5"                             },
2834   { CA_ARG_6,                           "6"                             },
2835   { CA_ARG_7,                           "7"                             },
2836   { CA_ARG_8,                           "8"                             },
2837   { CA_ARG_UNDEFINED,                   " "                             },
2838   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2839   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2840   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2841   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2842
2843   { -1,                                 NULL                            }
2844 };
2845
2846 static struct ValueTextInfo options_action_arg_speed[] =
2847 {
2848   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2849   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2850   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2851   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2852   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2853   { CA_ARG_SPEED_FAST,                  "fast"                          },
2854   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2855   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2856   { CA_ARG_UNDEFINED,                   " "                             },
2857   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2858   { CA_ARG_SPEED_FASTER,                "faster"                        },
2859   { CA_ARG_UNDEFINED,                   " "                             },
2860   { CA_ARG_SPEED_RESET,                 "reset"                         },
2861
2862   { -1,                                 NULL                            }
2863 };
2864
2865 static struct ValueTextInfo options_action_arg_shield[] =
2866 {
2867   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2868   { CA_ARG_SHIELD_OFF,                  "off"                           },
2869   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2870   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2871
2872   { -1,                                 NULL                            }
2873 };
2874
2875 static struct ValueTextInfo options_action_arg_artwork[] =
2876 {
2877   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2878   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2879   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2880   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2881   { CA_ARG_UNDEFINED,                   " "                             },
2882   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2883
2884   { -1,                                 NULL                            }
2885 };
2886
2887 static struct ValueTextInfo options_action_arg_gravity[] =
2888 {
2889   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2890   { CA_ARG_GRAVITY_ON,                  "on"                            },
2891   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2892   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2893
2894   { -1,                                 NULL                            }
2895 };
2896
2897 static struct ValueTextInfo options_action_arg_direction[] =
2898 {
2899   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2900   { CA_ARG_DIRECTION_NONE,              "none"                          },
2901   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2902   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2903   { CA_ARG_DIRECTION_UP,                "up"                            },
2904   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2905   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2906   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2907
2908   { -1,                                 NULL                            }
2909 };
2910
2911 static struct ValueTextInfo options_action_arg_scan_mode[] =
2912 {
2913   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2914   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2915   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2916
2917   { -1,                                 NULL                            }
2918 };
2919
2920 static struct ValueTextInfo options_action_arg_inventory[] =
2921 {
2922   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2923   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2924   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2925   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2926   { CA_ARG_UNDEFINED,                   " "                             },
2927   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2928   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2929   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2930   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2931   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2932   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2933   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2934   { CA_ARG_UNDEFINED,                   " "                             },
2935   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2936
2937   { -1,                                 NULL                            }
2938 };
2939
2940 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2941 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2942 {
2943   { -1,                                 NULL                            }
2944 };
2945
2946 static struct ValueTextInfo options_group_choice_mode[] =
2947 {
2948   { ANIM_RANDOM,                        "random"                        },
2949   { ANIM_LOOP,                          "loop"                          },
2950   { ANIM_LINEAR,                        "linear"                        },
2951   { ANIM_PINGPONG,                      "pingpong"                      },
2952   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2953   { ANIM_LEVEL_NR,                      "level number"                  },
2954
2955   { -1,                                 NULL                            }
2956 };
2957
2958 static struct ValueTextInfo options_bd_scheduling_type[] =
2959 {
2960   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2961   { GD_SCHEDULING_BD1,                  "BD1"                           },
2962   { GD_SCHEDULING_BD2,                  "BD2"                           },
2963   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2964   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2965   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2966   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2967
2968   { -1,                                   NULL                          }
2969 };
2970
2971 static struct ValueTextInfo options_bd_color_type[] =
2972 {
2973   { GD_COLOR_TYPE_C64,                  "C64 colors"                    },
2974   { GD_COLOR_TYPE_RGB,                  "RGB colors"                    },
2975
2976   { -1,                                   NULL                          }
2977 };
2978
2979 static struct ValueTextInfo options_bd_color_c64_name[] =
2980 {
2981   { GD_COLOR_INDEX_BLACK,               "Black"                         },
2982   { GD_COLOR_INDEX_WHITE,               "White"                         },
2983   { GD_COLOR_INDEX_RED,                 "Red"                           },
2984   { GD_COLOR_INDEX_CYAN,                "Cyan"                          },
2985   { GD_COLOR_INDEX_PURPLE,              "Purple"                        },
2986   { GD_COLOR_INDEX_GREEN,               "Green"                         },
2987   { GD_COLOR_INDEX_BLUE,                "Blue"                          },
2988   { GD_COLOR_INDEX_YELLOW,              "Yellow"                        },
2989   { GD_COLOR_INDEX_ORANGE,              "Orange"                        },
2990   { GD_COLOR_INDEX_BROWN,               "Brown"                         },
2991   { GD_COLOR_INDEX_LIGHTRED,            "Light red"                     },
2992   { GD_COLOR_INDEX_GRAY1,               "Dark gray"                     },
2993   { GD_COLOR_INDEX_GRAY2,               "Gray"                          },
2994   { GD_COLOR_INDEX_LIGHTGREEN,          "Light green"                   },
2995   { GD_COLOR_INDEX_LIGHTBLUE,           "Light blue"                    },
2996   { GD_COLOR_INDEX_GRAY3,               "Light gray"                    },
2997
2998   { -1,                                   NULL                          }
2999 };
3000
3001 static struct ValueTextInfo *action_arg_modes[] =
3002 {
3003   options_action_mode_none,
3004   options_action_mode_assign,
3005   options_action_mode_add_remove,
3006   options_action_mode_calculate,
3007 };
3008
3009 static struct
3010 {
3011   int value;
3012   int mode;
3013   struct ValueTextInfo *options;
3014 }
3015 action_arg_options[] =
3016 {
3017   { CA_NO_ACTION,               0,      options_action_arg_none,        },
3018   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
3019   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
3020   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
3021   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
3022   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
3023   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
3024   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
3025   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
3026   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
3027   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
3028   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
3029   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
3030   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
3031   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
3032   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
3033   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
3034   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
3035   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
3036   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
3037   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
3038   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
3039
3040   { -1,                         FALSE,  NULL                            }
3041 };
3042
3043 static struct
3044 {
3045   int gadget_type_id;
3046   int x, y;
3047   int gadget_id;
3048   int gadget_id_align;
3049   int size;     // char size of selectbox or '-1' (dynamically determined)
3050   struct ValueTextInfo *options;
3051   int *value;
3052   char *text_above, *text_left, *text_right, *infotext;
3053 } selectbox_info[ED_NUM_SELECTBOX] =
3054 {
3055   // ---------- level and editor settings -------------------------------------
3056
3057   {
3058     ED_SELECTBOX_ID_TIME_OR_STEPS,
3059     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
3060     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
3061     -1,
3062     options_time_or_steps,
3063     &level.use_step_counter,
3064     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
3065   },
3066   {
3067     ED_SELECTBOX_ID_TIME_SCORE_BASE,
3068     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
3069     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
3070     -1,
3071     options_time_score_base,
3072     &level.time_score_base,
3073     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
3074   },
3075   {
3076     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
3077     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
3078     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
3079     -1,
3080     options_game_engine_type,
3081     &level.game_engine_type,
3082     NULL, "Game engine:", NULL,                 "Select game engine"
3083   },
3084   {
3085     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
3086     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3087     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
3088     -1,
3089     options_levelset_save_mode,
3090     &levelset_save_mode,
3091     "Action:", NULL, NULL,                      "Select action when saving level set"
3092   },
3093
3094   // ---------- engine settings: config ---------------------------------------
3095
3096   {
3097     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
3098     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
3099     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
3100     -1,
3101     options_bd_scheduling_type,
3102     &level.bd_scheduling_type,
3103     NULL, "Scheduling type:", NULL,             "Select level timing"
3104   },
3105
3106   // ---------- engine settings: colors ---------------------------------------
3107
3108   {
3109     ED_SELECTBOX_ID_BD_COLOR_TYPE,
3110     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3111     GADGET_ID_BD_COLOR_TYPE,                    GADGET_ID_NONE,
3112     -1,
3113     options_bd_color_type,
3114     &level.bd_color_type,
3115     "Boulder Dash level colors:",
3116     "Color palette type:", NULL,                "Select color palette type"
3117   },
3118   {
3119     ED_SELECTBOX_ID_BD_COLOR_C64_B,
3120     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
3121     GADGET_ID_BD_COLOR_C64_B,                   GADGET_ID_NONE,
3122     -1,
3123     options_bd_color_c64_name,
3124     &bd_color_c64[0],
3125     NULL, "Border color:    ", NULL,            "Select border color (not used)"
3126   },
3127   {
3128     ED_SELECTBOX_ID_BD_COLOR_C64_0,
3129     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3130     GADGET_ID_BD_COLOR_C64_0,                   GADGET_ID_NONE,
3131     -1,
3132     options_bd_color_c64_name,
3133     &bd_color_c64[1],
3134     NULL, "Background color:", NULL,            "Select background color (C64 graphics)"
3135   },
3136   {
3137     ED_SELECTBOX_ID_BD_COLOR_C64_1,
3138     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
3139     GADGET_ID_BD_COLOR_C64_1,                   GADGET_ID_NONE,
3140     -1,
3141     options_bd_color_c64_name,
3142     &bd_color_c64[2],
3143     NULL, "Sand color:      ", NULL,            "Select sand color (C64 graphics)"
3144   },
3145   {
3146     ED_SELECTBOX_ID_BD_COLOR_C64_2,
3147     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
3148     GADGET_ID_BD_COLOR_C64_2,                   GADGET_ID_NONE,
3149     -1,
3150     options_bd_color_c64_name,
3151     &bd_color_c64[3],
3152     NULL, "Steel wall color:", NULL,            "Select steel wall color (C64 graphics)"
3153   },
3154   {
3155     ED_SELECTBOX_ID_BD_COLOR_C64_3,
3156     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(5),
3157     GADGET_ID_BD_COLOR_C64_3,                   GADGET_ID_NONE,
3158     -1,
3159     options_bd_color_c64_name,
3160     &bd_color_c64[4],
3161     NULL, "Wall color:      ", NULL,            "Select wall color (C64 graphics)"
3162   },
3163   {
3164     ED_SELECTBOX_ID_BD_COLOR_C64_4,
3165     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3166     GADGET_ID_BD_COLOR_C64_4,                   GADGET_ID_NONE,
3167     -1,
3168     options_bd_color_c64_name,
3169     &bd_color_c64[5],
3170     NULL, "Amoeba color:    ", NULL,            "Select amoeba color (C64 graphics)"
3171   },
3172   {
3173     ED_SELECTBOX_ID_BD_COLOR_C64_5,
3174     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3175     GADGET_ID_BD_COLOR_C64_5,                   GADGET_ID_NONE,
3176     -1,
3177     options_bd_color_c64_name,
3178     &bd_color_c64[6],
3179     NULL, "Slime color:     ", NULL,            "Select slime color (C64 graphics)"
3180   },
3181
3182   // ---------- element settings: configure (several elements) ----------------
3183
3184   {
3185     ED_SELECTBOX_ID_WIND_DIRECTION,
3186     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3187     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
3188     -1,
3189     options_wind_direction,
3190     &level.wind_direction_initial,
3191     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
3192   },
3193   {
3194     ED_SELECTBOX_ID_PLAYER_SPEED,
3195     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
3196     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
3197     -1,
3198     options_player_speed,
3199     &level.initial_player_stepsize[0],
3200     NULL, "Initial player speed:", NULL,        "Select initial player speed"
3201   },
3202   {
3203     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
3204     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3205     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
3206     -1,
3207     options_bd_gravity_direction,
3208     &level.bd_gravity_direction,
3209     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
3210   },
3211   {
3212     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
3213     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3214     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
3215     -1,
3216     options_group_choice_mode,
3217     &level.mm_ball_choice_mode,
3218     NULL, "Choice type:", NULL,                 "Select type of content choice"
3219   },
3220
3221   // ---------- element settings: configure 1 (custom elements) ---------------
3222
3223   {
3224     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
3225     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3226     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
3227     -1,
3228     options_access_type,
3229     &custom_element.access_type,
3230     NULL, NULL, NULL,                           "Select type of access to this field"
3231   },
3232   {
3233     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
3234     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3235     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
3236     -1,
3237     options_access_layer,
3238     &custom_element.access_layer,
3239     NULL, NULL, NULL,                           "Select layer of access for this field"
3240   },
3241   {
3242     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
3243     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3244     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
3245     -1,
3246     options_access_protected,
3247     &custom_element.access_protected,
3248     NULL, NULL, NULL,                           "Select protected access for this field"
3249   },
3250   {
3251     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
3252     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3253     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
3254     -1,
3255     options_access_direction,
3256     &custom_element.access_direction,
3257     NULL, "from", NULL,                         "Select access direction for this field"
3258   },
3259   {
3260     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
3261     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3262     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
3263     -1,
3264     options_walk_to_action,
3265     &custom_element.walk_to_action,
3266     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
3267   },
3268
3269   // ---------- element settings: configure 2 (custom elements) ---------------
3270
3271   {
3272     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
3273     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
3274     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
3275     -1,
3276     options_move_pattern,
3277     &custom_element.move_pattern,
3278     NULL, "Can move", NULL,                     "Select element move pattern"
3279   },
3280   {
3281     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
3282     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3283     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
3284     -1,
3285     options_move_direction,
3286     &custom_element.move_direction_initial,
3287     NULL, "Starts moving", NULL,                "Select initial element move direction"
3288   },
3289   {
3290     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
3291     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3292     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
3293     -1,
3294     options_move_stepsize,
3295     &custom_element.move_stepsize,
3296     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
3297   },
3298   {
3299     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
3300     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3301     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
3302     -1,
3303     options_move_leave_type,
3304     &custom_element.move_leave_type,
3305     // left text with leading spaces to place gadget next to "can dig" gadget
3306     // (needed because drawing area gadgets created after selectbox gadgets)
3307     // NULL, "can dig:    can", ":",            "leave behind or change element"
3308     NULL, "            Can", ":",               "Select leave behind or change element"
3309   },
3310   {
3311     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
3312     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
3313     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
3314     -1,
3315     options_smash_targets,
3316     &custom_element.smash_targets,
3317     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
3318   },
3319   {
3320     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
3321     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
3322     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
3323     -1,
3324     options_slippery_type,
3325     &custom_element.slippery_type,
3326     NULL, "Slippery", NULL,                     "Select where other elements fall down"
3327   },
3328   {
3329     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
3330     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
3331     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
3332     -1,
3333     options_deadliness,
3334     &custom_element.deadliness,
3335     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3336   },
3337   {
3338     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3339     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3340     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3341     -1,
3342     options_explosion_type,
3343     &custom_element.explosion_type,
3344     NULL, "Can explode", NULL,                  "Select explosion type"
3345   },
3346
3347   // ---------- element settings: advanced (custom elements) ------------------
3348
3349   {
3350     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3351     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3352     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3353     -1,
3354     options_time_units,
3355     &custom_element_change.delay_frames,
3356     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3357   },
3358   {
3359     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3360     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3361     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3362     -1,
3363     options_change_direct_action,
3364     &custom_element_change.direct_action,
3365     NULL, NULL, NULL,                           "Select type of direct action"
3366   },
3367   {
3368     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3369     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3370     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3371     -1,
3372     options_change_other_action,
3373     &custom_element_change.other_action,
3374     NULL, NULL, "element:",                     "Select type of other element action"
3375   },
3376   {
3377     ED_SELECTBOX_ID_CHANGE_SIDE,
3378     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3379     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3380     -1,
3381     options_change_trigger_side,
3382     &custom_element_change.trigger_side,
3383     NULL, "at", "side",                         "Select element side triggering change"
3384   },
3385   {
3386     ED_SELECTBOX_ID_CHANGE_PLAYER,
3387     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3388     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3389     -1,
3390     options_change_trigger_player,
3391     &custom_element_change.trigger_player,
3392     NULL, "Player:", " ",                       "Select player that causes change"
3393   },
3394   {
3395     ED_SELECTBOX_ID_CHANGE_PAGE,
3396     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3397     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3398     -1,
3399     options_change_trigger_page,
3400     &custom_element_change.trigger_page,
3401     NULL, "Page:", NULL,                        "Select change page that causes change"
3402   },
3403   {
3404     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3405     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3406     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3407     -1,
3408     options_change_replace_when,
3409     &custom_element_change.replace_when,
3410     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3411   },
3412   {
3413     ED_SELECTBOX_ID_ACTION_TYPE,
3414     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3415     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3416     15,
3417     options_action_type,
3418     &custom_element_change.action_type,
3419     NULL, NULL, NULL,                           "Select action on specified condition"
3420   },
3421   {
3422     ED_SELECTBOX_ID_ACTION_MODE,
3423     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3424     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3425     -1,
3426     options_action_mode_none,
3427     &custom_element_change.action_mode,
3428     NULL, NULL, NULL,                           "Select action operator"
3429   },
3430   {
3431     ED_SELECTBOX_ID_ACTION_ARG,
3432     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3433     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3434     -1,
3435     options_action_arg_none,
3436     &custom_element_change.action_arg,
3437     NULL, NULL, NULL,                           "Select action parameter"
3438   },
3439   {
3440     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3441     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3442     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3443     3,
3444     options_change_page,
3445     &custom_element.current_change_page,
3446     NULL, NULL, NULL,                           "Select element change page"
3447   },
3448
3449   // ---------- element settings: configure (group elements) ------------------
3450
3451   {
3452     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3453     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3454     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3455     -1,
3456     options_group_choice_mode,
3457     &group_element_info.choice_mode,
3458     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3459   },
3460 };
3461
3462 static struct
3463 {
3464   int gadget_type_id;
3465   int x, y;
3466   int gadget_id;
3467   int gadget_id_align;
3468   int size;
3469   char *text;
3470   char *text_above, *text_left, *text_right, *infotext;
3471 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3472 {
3473   // ---------- level and editor settings (tabs) ------------------------------
3474
3475   {
3476     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3477     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3478     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3479     8,                                          "Level",
3480     NULL, NULL, NULL,                           "Configure level settings"
3481   },
3482   {
3483     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3484     -1,                                         -1,
3485     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3486     8,                                          "Levelset",
3487     NULL, NULL, NULL,                           "Update this or create new level set"
3488   },
3489   {
3490     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3491     -1,                                         -1,
3492     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3493     8,                                          "Editor",
3494     NULL, NULL, NULL,                           "Configure editor settings"
3495   },
3496   {
3497     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3498     -1,                                         -1,
3499     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3500     8,                                          "Engine",
3501     NULL, NULL, NULL,                           "Configure game engine settings"
3502   },
3503
3504   // ---------- engine settings (tabs) ----------------------------------------
3505
3506   {
3507     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
3508     ED_ENGINE_TABS_XPOS(0),                     ED_ENGINE_TABS_YPOS(0),
3509     GADGET_ID_ENGINECONFIG_CONFIG,              GADGET_ID_NONE,
3510     8,                                          "Config",
3511     NULL, NULL, NULL,                           "Configure game engine settings"
3512   },
3513   {
3514     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
3515     -1,                                         -1,
3516     GADGET_ID_ENGINECONFIG_COLORS,              GADGET_ID_ENGINECONFIG_CONFIG,
3517     8,                                          "Colors",
3518     NULL, NULL, NULL,                           "Configure level colors"
3519   },
3520
3521   // ---------- element settings (tabs) ---------------------------------------
3522
3523   {
3524     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3525     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3526     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3527     8,                                          "Info",
3528     NULL, NULL, NULL,                           "Show information about element"
3529   },
3530   {
3531     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3532     -1,                                         -1,
3533     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3534     8,                                          "Config",
3535     NULL, NULL, NULL,                           "Configure element properties"
3536   },
3537   {
3538     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3539     -1,                                         -1,
3540     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3541     8,                                          "Config 1",
3542     NULL, NULL, NULL,                           "Configure element properties, part 1"
3543   },
3544   {
3545     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3546     -1,                                         -1,
3547     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3548     8,                                          "Config 2",
3549     NULL, NULL, NULL,                           "Configure element properties, part 2"
3550   },
3551   {
3552     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3553     -1,                                         -1,
3554     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3555     8,                                          "Change",
3556     NULL, NULL, NULL,                           "Configure custom element change pages"
3557   },
3558
3559   // ---------- level and editor settings (buttons) ---------------------------
3560
3561   {
3562     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3563     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3564     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3565     -1,                                         "Save",
3566     NULL, NULL, NULL,                           "Update or create level set"
3567   },
3568   {
3569     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3570     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3571     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3572     -1,                                         "Save",
3573     NULL, NULL,                                 "this level as level template",
3574     "Save current settings as new template"
3575   },
3576
3577   // ---------- element settings (buttons) ------------------------------------
3578
3579   {
3580     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3581     -1,                                         -1,
3582     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3583     -1,                                         "Save",
3584     NULL, " ",                                  "As Template",
3585     "Save current settings as new template"
3586   },
3587   {
3588     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3589     -1,                                         -1,
3590     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3591     -1,                                         "New",
3592     NULL, NULL, NULL,                           "Add new change page"
3593   },
3594   {
3595     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3596     -1,                                         -1,
3597     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3598     -1,                                         "Delete",
3599     NULL, NULL, NULL,                           "Delete current change page"
3600   },
3601
3602   // ---------- engine settings (buttons) -------------------------------------
3603
3604   {
3605     ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS,
3606     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3607     GADGET_ID_BD_SET_RANDOM_COLORS,             GADGET_ID_NONE,
3608     -1,                                         "Set random colors",
3609     NULL, NULL, NULL,                           "Create and set random level colors"
3610   },
3611 };
3612
3613 static struct
3614 {
3615   int gadget_type_id;
3616   int graphic;
3617   int x, y;
3618   int gadget_id;
3619   int gadget_id_align;
3620   char *text_left, *text_right, *infotext;
3621 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3622 {
3623   {
3624     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3625     IMG_EDITOR_COUNTER_DOWN,
3626     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3627     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3628     NULL, NULL,                                 "Select previous change page"
3629   },
3630   {
3631     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3632     IMG_EDITOR_COUNTER_UP,
3633     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3634     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3635     NULL, "Change page",                        "Select next change page"
3636   },
3637   {
3638     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3639     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3640     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3641     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3642     " ", NULL,                                  "Copy settings from this change page"
3643   },
3644   {
3645     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3646     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3647     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3648     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3649     NULL, NULL,                                 "Paste settings to this change page"
3650   },
3651 };
3652
3653 static struct
3654 {
3655   int x, y;
3656 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3657
3658 static struct
3659 {
3660   int gadget_type_id;
3661   int graphic;
3662   int gadget_id;
3663   char *infotext;
3664 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3665 {
3666   {
3667     ED_SCROLLBUTTON_ID_AREA_UP,
3668     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3669     GADGET_ID_SCROLL_UP,
3670     "Scroll level editing area up"
3671   },
3672   {
3673     ED_SCROLLBUTTON_ID_AREA_DOWN,
3674     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3675     GADGET_ID_SCROLL_DOWN,
3676     "Scroll level editing area down"
3677   },
3678   {
3679     ED_SCROLLBUTTON_ID_AREA_LEFT,
3680     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3681     GADGET_ID_SCROLL_LEFT,
3682     "Scroll level editing area left"
3683   },
3684   {
3685     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3686     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3687     GADGET_ID_SCROLL_RIGHT,
3688     "Scroll level editing area right"
3689   },
3690   {
3691     ED_SCROLLBUTTON_ID_LIST_UP,
3692     IMG_EDITOR_PALETTE_SCROLL_UP,
3693     GADGET_ID_SCROLL_LIST_UP,
3694     "Scroll element list up ('Page Up')"
3695   },
3696   {
3697     ED_SCROLLBUTTON_ID_LIST_DOWN,
3698     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3699     GADGET_ID_SCROLL_LIST_DOWN,
3700     "Scroll element list down ('Page Down')"
3701   },
3702 };
3703
3704 static struct
3705 {
3706   int x, y;
3707   int width, height;
3708   int wheel_x, wheel_y;
3709   int wheel_width, wheel_height;
3710 } scrollbar_pos[ED_NUM_SCROLLBARS];
3711
3712 static struct
3713 {
3714   int gadget_type_id;
3715   int graphic;
3716   int type;
3717   int gadget_id;
3718   char *infotext;
3719 } scrollbar_info[ED_NUM_SCROLLBARS] =
3720 {
3721   {
3722     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3723     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3724     GD_TYPE_SCROLLBAR_HORIZONTAL,
3725     GADGET_ID_SCROLL_HORIZONTAL,
3726     "Scroll level editing area horizontally"
3727   },
3728   {
3729     ED_SCROLLBAR_ID_AREA_VERTICAL,
3730     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3731     GD_TYPE_SCROLLBAR_VERTICAL,
3732     GADGET_ID_SCROLL_VERTICAL,
3733     "Scroll level editing area vertically"
3734   },
3735   {
3736     ED_SCROLLBAR_ID_LIST_VERTICAL,
3737     IMG_EDITOR_PALETTE_SCROLLBAR,
3738     GD_TYPE_SCROLLBAR_VERTICAL,
3739     GADGET_ID_SCROLL_LIST_VERTICAL,
3740     "Scroll element list vertically"
3741   }
3742 };
3743
3744
3745 static struct
3746 {
3747   int gadget_type_id;
3748   int x, y;
3749   int gadget_id;
3750   int gadget_id_align;
3751   int radio_button_nr;
3752   int *value;
3753   int checked_value;
3754   char *text_left, *text_right, *infotext;
3755 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3756 {
3757   {
3758     ED_RADIOBUTTON_ID_PERCENTAGE,
3759     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3760     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3761     RADIO_NR_RANDOM_ELEMENTS,
3762     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3763     " ", "percentage",                          "Use percentage for random elements"
3764   },
3765   {
3766     ED_RADIOBUTTON_ID_QUANTITY,
3767     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3768     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3769     RADIO_NR_RANDOM_ELEMENTS,
3770     &random_placement_method,                   RANDOM_USE_QUANTITY,
3771     " ", "quantity",                            "Use quantity for random elements"
3772   }
3773 };
3774
3775 static struct
3776 {
3777   int gadget_type_id;
3778   int x, y;
3779   int gadget_id;
3780   int gadget_id_align;
3781   boolean *value;
3782   char *text_above, *text_left, *text_right, *infotext;
3783 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3784 {
3785   // ---------- level and editor settings -------------------------------------
3786
3787   {
3788     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3789     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3790     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3791     &level.auto_count_gems,
3792     NULL, NULL,
3793     "Automatically count gems needed",          "Set counter to number of gems"
3794   },
3795   {
3796     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3797     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3798     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3799     &level.rate_time_over_score,
3800     NULL, NULL,
3801     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3802   },
3803   {
3804     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3805     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3806     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3807     &levelset_use_levelset_artwork,
3808     NULL, NULL,
3809     "Use current custom artwork",               "Use custom artwork of this level set"
3810   },
3811   {
3812     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3813     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3814     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3815     &levelset_copy_level_template,
3816     NULL, NULL,
3817     "Copy current level template",              "Copy level template of this level set"
3818   },
3819   {
3820     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3821     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3822     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3823     &random_placement_background_restricted,
3824     NULL, NULL,
3825     "Restrict random placement to:",            "Set random placement restriction"
3826   },
3827   {
3828     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3829     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3830     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3831     &setup.editor.use_template_for_new_levels,
3832     "Template for new levels and CE/GE:", NULL,
3833     "Use template for new levels",              "Use template for level properties"
3834   },
3835   {
3836     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3837     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3838     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3839     &level.use_custom_template,
3840     NULL, NULL,
3841     "Use template for custom elements",         "Use template for custom properties"
3842   },
3843   {
3844     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3845     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3846     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3847     &level.bd_intermission,
3848     "Boulder Dash game engine settings:", NULL,
3849     "Intermission",                             "Level is an intermission level"
3850   },
3851   {
3852     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3853     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3854     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3855     &level.bd_pal_timing,
3856     NULL, NULL,
3857     "PAL timing",                               "Use slower timer (like PAL C64)"
3858   },
3859   {
3860     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3861     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3862     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3863     &level.bd_line_shifting_borders,
3864     "Compatibility settings:", NULL,
3865     "Line-shifting borders",                    "Use line-shifting wrap-around"
3866   },
3867   {
3868     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3869     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3870     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3871     &level.bd_scan_first_and_last_row,
3872     NULL, NULL,
3873     "Scan first and last row",                  "Also process top/bottom border rows"
3874   },
3875   {
3876     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3877     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3878     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3879     &level.bd_short_explosions,
3880     NULL, NULL,
3881     "Short explosions",                         "Use four game cycles for explosions"
3882   },
3883
3884   // ---------- element settings: configure (various elements) ----------------
3885
3886   {
3887     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3888     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3889     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3890     &stick_element_properties_window,
3891     NULL, NULL,
3892     "Stick this screen to edit content",        "Stick this screen to edit content"
3893   },
3894   {
3895     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3896     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3897     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3898     &level.em_slippery_gems,
3899     NULL, NULL,
3900     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3901   },
3902   {
3903     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3904     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3905     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3906     &level.em_explodes_by_fire,
3907     NULL, NULL,
3908     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3909   },
3910   {
3911     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3912     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3913     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3914     &level.use_spring_bug,
3915     NULL, NULL,
3916     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3917   },
3918   {
3919     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3920     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3921     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3922     &level.use_time_orb_bug,
3923     NULL, NULL,
3924     "Use time orb bug",                         "Use odd time orb behaviour"
3925   },
3926   {
3927     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3928     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3929     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3930     &level.use_life_bugs,
3931     NULL, NULL,
3932     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3933   },
3934   {
3935     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3936     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3937     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3938     &level.ball_random,
3939     NULL, NULL,
3940     "Create single random element",             "Only create one element from content"
3941   },
3942   {
3943     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3944     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3945     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3946     &level.ball_active_initial,
3947     NULL, NULL,
3948     "Magic ball initially activated",           "Activate magic ball after level start"
3949   },
3950   {
3951     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3952     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3953     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3954     &level.grow_into_diggable,
3955     NULL, NULL,
3956     "Can grow into anything diggable",          "Grow into more than just sand"
3957   },
3958   {
3959     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3960     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3961     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3962     &level.sb_fields_needed,
3963     NULL, NULL,
3964     "All fields need to be filled",             "Require all SB fields to be solved"
3965   },
3966   {
3967     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3968     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3969     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3970     &level.sb_objects_needed,
3971     NULL, NULL,
3972     "All objects need to be placed",            "Require all SB objects to be solved"
3973   },
3974   {
3975     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3976     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3977     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3978     &level.auto_exit_sokoban,
3979     NULL, NULL,
3980     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3981   },
3982   {
3983     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3984     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3985     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3986     &level.solved_by_one_player,
3987     NULL, NULL,
3988     "Only one player must enter exit",          "Level solved by first player in exit"
3989   },
3990   {
3991     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3992     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3993     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3994     &level.finish_dig_collect,
3995     NULL, NULL,
3996     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3997   },
3998   {
3999     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
4000     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4001     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
4002     &level.keep_walkable_ce,
4003     NULL, NULL,
4004     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
4005   },
4006   {
4007     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
4008     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4009     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
4010     &level.continuous_snapping,
4011     NULL, NULL,
4012     "Continuous snapping",                      "Use snapping without releasing key"
4013   },
4014   {
4015     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
4016     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4017     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
4018     &level.block_snap_field,
4019     NULL, NULL,
4020     "Block snapped field when snapping",        "Use snapping delay to show animation"
4021   },
4022   {
4023     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
4024     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4025     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
4026     &level.block_last_field,
4027     NULL, NULL,
4028     "Block last field when moving",             "Player blocks last field when moving"
4029   },
4030   {
4031     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
4032     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4033     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
4034     &level.sp_block_last_field,
4035     NULL, NULL,
4036     "Block last field when moving",             "Player blocks last field when moving"
4037   },
4038   {
4039     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
4040     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4041     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
4042     &level.instant_relocation,
4043     NULL, NULL,
4044     "No scrolling when relocating",             "Player gets relocated without delay"
4045   },
4046   {
4047     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
4048     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4049     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
4050     &level.shifted_relocation,
4051     NULL, NULL,
4052     "No centering when relocating",             "Level not centered after relocation"
4053   },
4054   {
4055     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
4056     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4057     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
4058     &level.lazy_relocation,
4059     NULL, NULL,
4060     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
4061   },
4062   {
4063     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
4064     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4065     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
4066     &level.use_start_element[0],
4067     NULL, NULL,
4068     "Use level start element:",                "Start level at this element's position"
4069   },
4070   {
4071     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
4072     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4073     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
4074     &level.use_artwork_element[0],
4075     NULL, NULL,
4076     "Use artwork from element:",                "Use player artwork from other element"
4077   },
4078   {
4079     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
4080     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
4081     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
4082     &level.use_explosion_element[0],
4083     NULL, NULL,
4084     "Use explosion from element:",              "Use explosion properties from element"
4085   },
4086   {
4087     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
4088     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4089     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
4090     &level.initial_player_gravity[0],
4091     NULL, NULL,
4092     "Use initial gravity",                      "Set initial player gravity"
4093   },
4094   {
4095     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
4096     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4097     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
4098     &level.use_initial_inventory[0],
4099     NULL, NULL,
4100     "Use initial inventory:",                   "Use collected elements on level start"
4101   },
4102   {
4103     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
4104     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4105     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
4106     &level.can_pass_to_walkable,
4107     NULL, NULL,
4108     "Can pass to walkable element",             "Player can pass to empty or walkable"
4109   },
4110   {
4111     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
4112     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4113     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
4114     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
4115     NULL, NULL,
4116     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
4117   },
4118   {
4119     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
4120     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4121     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
4122     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
4123     NULL, NULL,
4124     "Can move into acid",                       "Element can move into acid pool"
4125   },
4126   {
4127     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
4128     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4129     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
4130     &custom_element_properties[EP_DONT_COLLIDE_WITH],
4131     NULL, NULL,
4132     "Deadly when colliding with",               "Element is deadly when hitting player"
4133   },
4134   {
4135     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
4136     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4137     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
4138     &level.bd_diagonal_movements,
4139     NULL, NULL,
4140     "Can move diagonally",                      "Player can move diagonally"
4141   },
4142   {
4143     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
4144     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4145     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
4146     &level.bd_topmost_player_active,
4147     NULL, NULL,
4148     "Topmost player is active",                 "Use first player found on playfield"
4149   },
4150   {
4151     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
4152     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4153     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
4154     &level.bd_push_mega_rock_with_sweet,
4155     NULL, NULL,
4156     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
4157   },
4158   {
4159     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
4160     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4161     GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,      GADGET_ID_NONE,
4162     &level.bd_magic_wall_zero_infinite,
4163     NULL, NULL,
4164     "Run forever if duration is zero",          "Run infinitely if timer is zero"
4165   },
4166   {
4167     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
4168     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4169     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
4170     &level.bd_magic_wall_wait_hatching,
4171     NULL, NULL,
4172     "Wait for player's birth",                  "Timer start waits for player's birth"
4173   },
4174   {
4175     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
4176     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4177     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
4178     &level.bd_magic_wall_stops_amoeba,
4179     NULL, NULL,
4180     "Stop amoeba and turn to diamonds",         "Activation changes amoeba to diamonds"
4181   },
4182   {
4183     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
4184     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4185     GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,         GADGET_ID_NONE,
4186     &level.bd_magic_wall_break_scan,
4187     NULL, NULL,
4188     "Emulate amoeba bug in BD1",                "Use buggy BD1 behavior"
4189   },
4190   {
4191     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
4192     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4193     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
4194     &level.bd_amoeba_wait_for_hatching,
4195     NULL, NULL,
4196     "Wait for player's birth",                  "Timer start waits for player's birth"
4197   },
4198   {
4199     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
4200     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4201     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
4202     &level.bd_amoeba_start_immediately,
4203     NULL, NULL,
4204     "Start growing immediately",                "Start slow growth time immediately"
4205   },
4206   {
4207     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
4208     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4209     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
4210     &level.bd_amoeba_2_explode_by_amoeba,
4211     NULL, NULL,
4212     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
4213   },
4214   {
4215     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
4216     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4217     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
4218     &level.bd_voodoo_collects_diamonds,
4219     NULL, NULL,
4220     "Can collect diamonds",                     "Can collect diamonds for the player"
4221   },
4222   {
4223     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
4224     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4225     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
4226     &level.bd_voodoo_hurt_kills_player,
4227     NULL, NULL,
4228     "Player is killed if hurt",                 "If hurt in any way, player is killed"
4229   },
4230   {
4231     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
4232     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4233     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
4234     &level.bd_voodoo_dies_by_rock,
4235     NULL, NULL,
4236     "Killed by falling rock",                   "Can be killed by a falling rock"
4237   },
4238   {
4239     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
4240     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4241     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
4242     &level.bd_voodoo_vanish_by_explosion,
4243     NULL, NULL,
4244     "Disappears in explosions",                 "Can be destroyed by explosions"
4245   },
4246   {
4247     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
4248     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4249     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
4250     &level.bd_slime_is_predictable,
4251     NULL, NULL,
4252     "Slime is predictable",                     "Use predictable random numbers"
4253   },
4254   {
4255     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
4256     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4257     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
4258     &level.bd_change_expanding_wall,
4259     NULL, NULL,
4260     "Change direction",                         "Switch horizontal/vertical direction"
4261   },
4262   {
4263     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
4264     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4265     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
4266     &level.bd_replicators_active,
4267     NULL, NULL,
4268     "Active at start",                          "Replicators start in active state"
4269   },
4270   {
4271     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
4272     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4273     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
4274     &level.bd_conveyor_belts_active,
4275     NULL, NULL,
4276     "Active at start",                          "Conveyor belts start in active state"
4277   },
4278   {
4279     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
4280     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4281     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
4282     &level.bd_conveyor_belts_changed,
4283     NULL, NULL,
4284     "Change direction",                         "Switch conveyor belt direction"
4285   },
4286   {
4287     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
4288     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4289     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
4290     &level.bd_water_cannot_flow_down,
4291     NULL, NULL,
4292     "Does not flow downwards",                  "Water can only flow up, left and right"
4293   },
4294   {
4295     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
4296     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4297     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
4298     &level.bd_hammer_walls_reappear,
4299     NULL, NULL,
4300     "Hammered walls reappear",                  "Hammered walls reappear after delay"
4301   },
4302   {
4303     ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
4304     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4305     GADGET_ID_BD_INFINITE_ROCKETS,              GADGET_ID_NONE,
4306     &level.bd_infinite_rockets,
4307     NULL, NULL,
4308     "Infinite rockets",                         "Rocket launcher has infinite rockets"
4309   },
4310   {
4311     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
4312     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4313     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
4314     &level.bd_creatures_start_backwards,
4315     NULL, NULL,
4316     "Creatures start moving backwards",         "Creatures start in opposite direction"
4317   },
4318   {
4319     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
4320     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4321     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
4322     &level.bd_creatures_turn_on_hatching,
4323     NULL, NULL,
4324     "Creatures auto turn on hatching",          "Creatures change direction on hatching"
4325   },
4326   {
4327     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
4328     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4329     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
4330     &level.bd_gravity_switch_active,
4331     NULL, NULL,
4332     "Gravity switch active at start",           "Gravity switch starts in active state"
4333   },
4334   {
4335     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
4336     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
4337     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
4338     &level.bd_gravity_affects_all,
4339     NULL, NULL,
4340     "Gravity change affects everything",        "Gravity affects all falling objects"
4341   },
4342   {
4343     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
4344     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4345     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
4346     &level.envelope[0].autowrap,
4347     NULL, NULL,
4348     "Auto-wrap",                                "Automatically wrap envelope text"
4349   },
4350   {
4351     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
4352     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
4353     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
4354     &level.envelope[0].centered,
4355     NULL, " ",
4356     "Centered",                                 "Automatically center envelope text"
4357   },
4358   {
4359     ED_CHECKBUTTON_ID_MM_LASER_RED,
4360     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4361     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
4362     &level.mm_laser_red,
4363     "Choose color components for laser:", NULL,
4364     "Red",                                      "Use red color components in laser"
4365   },
4366   {
4367     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
4368     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4369     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
4370     &level.mm_laser_green,
4371     NULL, NULL,
4372     "Green",                                    "Use green color components in laser"
4373   },
4374   {
4375     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
4376     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4377     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
4378     &level.mm_laser_blue,
4379     NULL, NULL,
4380     "Blue",                                     "Use blue color components in laser"
4381   },
4382   {
4383     ED_CHECKBUTTON_ID_DF_LASER_RED,
4384     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4385     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4386     &level.df_laser_red,
4387     "Choose color components for laser:", NULL,
4388     "Red",                                      "Use red color components in laser"
4389   },
4390   {
4391     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4392     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4393     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4394     &level.df_laser_green,
4395     NULL, NULL,
4396     "Green",                                    "Use green color components in laser"
4397   },
4398   {
4399     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4400     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4401     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4402     &level.df_laser_blue,
4403     NULL, NULL,
4404     "Blue",                                     "Use blue color components in laser"
4405   },
4406   {
4407     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4408     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4409     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4410     &level.rotate_mm_ball_content,
4411     NULL, NULL,
4412     "Randomly rotate created content",          "Randomly rotate newly created content"
4413   },
4414   {
4415     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4416     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4417     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4418     &level.explode_mm_ball,
4419     NULL, NULL,
4420     "Explode ball instead of melting",          "Use explosion to release ball content"
4421   },
4422
4423   // ---------- element settings: configure 1 (custom elements) ---------------
4424
4425   {
4426     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4427     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4428     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4429     &custom_element.use_gfx_element,
4430     NULL, NULL,
4431     "Use graphic of element:",                  "Use existing element graphic"
4432   },
4433   {
4434     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4435     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4436     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4437     &level.use_custom_template,
4438     NULL, NULL,
4439     "Use template",                             "Use template for custom properties"
4440   },
4441   {
4442     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4443     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4444     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4445     &custom_element_properties[EP_ACCESSIBLE],
4446     NULL, NULL,
4447     NULL,                                       "Player can walk to or pass this field"
4448   },
4449   {
4450     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4451     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4452     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4453     &custom_element_properties[EP_GRAVITY_REACHABLE],
4454     NULL, NULL,
4455     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4456   },
4457   {
4458     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4459     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4460     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4461     &custom_element.use_last_ce_value,
4462     NULL, NULL,
4463     "Use last CE value after change",           "Use last CE value after change"
4464   },
4465   {
4466     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4467     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4468     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4469     &custom_element_properties[EP_WALK_TO_OBJECT],
4470     NULL, NULL,
4471     NULL,                                       "Player can dig/collect/push element"
4472   },
4473   {
4474     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4475     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4476     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4477     &custom_element_properties[EP_INDESTRUCTIBLE],
4478     NULL, NULL,
4479     "Indestructible",                           "Element is indestructible"
4480   },
4481
4482   // ---------- element settings: configure 2 (custom elements) ---------------
4483
4484   {
4485     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4486     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4487     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4488     &custom_element_properties[EP_CAN_MOVE],
4489     NULL, NULL,
4490     NULL,                                       "Element can move with some pattern"
4491   },
4492   {
4493     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4494     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4495     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4496     &custom_element_properties[EP_CAN_FALL],
4497     NULL, NULL,
4498     "Can fall",                                 "Element can fall down"
4499   },
4500   {
4501     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4502     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4503     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4504     &custom_element_properties[EP_CAN_SMASH],
4505     NULL, " ",
4506     NULL,                                       "Element can smash other elements"
4507   },
4508   {
4509     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4510     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4511     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4512     &custom_element_properties[EP_SLIPPERY],
4513     NULL, NULL,
4514     NULL,                                       "Other elements can fall down from it"
4515   },
4516   {
4517     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4518     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4519     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4520     &custom_element_properties[EP_DEADLY],
4521     NULL, NULL,
4522     NULL,                                       "Element can kill the player"
4523   },
4524   {
4525     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4526     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4527     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4528     &custom_element_properties[EP_CAN_EXPLODE],
4529     NULL, NULL,
4530     NULL,                                       "Element can explode"
4531   },
4532   {
4533     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4534     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4535     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4536     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4537     NULL, NULL,
4538     "By fire",                                  "Element can explode by fire/explosion"
4539   },
4540   {
4541     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4542     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4543     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4544     &custom_element_properties[EP_EXPLODES_SMASHED],
4545     NULL, " ",
4546     "Smashed",                                  "Element can explode when smashed"
4547   },
4548   {
4549     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4550     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4551     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4552     &custom_element_properties[EP_EXPLODES_IMPACT],
4553     NULL, " ",
4554     "Impact",                                   "Element can explode on impact"
4555   },
4556
4557   // ---------- element settings: advanced (custom elements) ------------------
4558
4559   {
4560     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4561     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4562     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4563     &custom_element_change.can_change,
4564     NULL, NULL,
4565     "Element changes to:",                      "Change element on specified condition"
4566   },
4567   {
4568     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4569     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4570     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4571     &custom_element_change_events[CE_DELAY],
4572     NULL, NULL,
4573     NULL,                                       "Element changes after delay"
4574   },
4575   {
4576     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4577     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4578     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4579     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4580     NULL, NULL,
4581     NULL,                                       "Element changes by direct action"
4582   },
4583   {
4584     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4585     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4586     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4587     &custom_element_change_events[CE_BY_OTHER_ACTION],
4588     NULL, NULL,
4589     NULL,                                       "Element changes by other element"
4590   },
4591   {
4592     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4593     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4594     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4595     &custom_element_change.explode,
4596     NULL, NULL,
4597     "Explode instead of change",                "Element explodes instead of change"
4598   },
4599   {
4600     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4601     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4602     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4603     &custom_element_change.use_target_content,
4604     NULL, NULL,
4605     "Use extended change target:",              "Element changes to more elements"
4606   },
4607   {
4608     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4609     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4610     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4611     &custom_element_change.only_if_complete,
4612     NULL, NULL,
4613     "Replace all or nothing",                   "Only replace when all can be changed"
4614   },
4615   {
4616     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4617     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4618     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4619     &custom_element_change.use_random_replace,
4620     NULL, NULL,
4621     NULL,                                       "Use percentage for random replace"
4622   },
4623   {
4624     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4625     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4626     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4627     &custom_element_change.has_action,
4628     NULL, NULL,
4629     NULL,                                       "Execute action on specified condition"
4630   },
4631 };
4632
4633 static struct
4634 {
4635   int gadget_type_id;
4636   int x, y;
4637   int xoffset, yoffset;
4638   int gadget_id;
4639   int gadget_id_align;
4640   int *value;
4641   int area_xsize, area_ysize;
4642   char *text_left, *text_right, *text_above, *text_below, *infotext;
4643 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4644 {
4645   // ---------- level playfield content ---------------------------------------
4646
4647   {
4648     ED_DRAWING_ID_DRAWING_LEVEL,
4649     0,                                          0,
4650     0,                                          0,
4651     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4652     NULL,
4653     -1, -1,     // these values are not constant, but can change at runtime
4654     NULL, NULL, NULL, NULL,                     NULL
4655   },
4656
4657   // ---------- yam yam content -----------------------------------------------
4658
4659   {
4660     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4661     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4662     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4663     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4664     &level.yamyam_content[0].e[0][0],           3, 3,
4665     NULL, NULL, NULL, "1",                      NULL
4666   },
4667   {
4668     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4669     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4670     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4671     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4672     &level.yamyam_content[1].e[0][0],           3, 3,
4673     NULL, NULL, NULL, "2",                      NULL
4674   },
4675   {
4676     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4677     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4678     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4679     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4680     &level.yamyam_content[2].e[0][0],           3, 3,
4681     NULL, NULL, NULL, "3",                      NULL
4682   },
4683   {
4684     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4685     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4686     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4687     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4688     &level.yamyam_content[3].e[0][0],           3, 3,
4689     NULL, NULL, NULL, "4",                      NULL
4690   },
4691   {
4692     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4693     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4694     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4695     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4696     &level.yamyam_content[4].e[0][0],           3, 3,
4697     NULL, NULL, NULL, "5",                      NULL
4698   },
4699   {
4700     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4701     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4702     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4703     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4704     &level.yamyam_content[5].e[0][0],           3, 3,
4705     NULL, NULL, NULL, "6",                      NULL
4706   },
4707   {
4708     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4709     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4710     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4711     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4712     &level.yamyam_content[6].e[0][0],           3, 3,
4713     NULL, NULL, NULL, "7",                      NULL
4714   },
4715   {
4716     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4717     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4718     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4719     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4720     &level.yamyam_content[7].e[0][0],           3, 3,
4721     NULL, NULL, NULL, "8",                      NULL
4722   },
4723
4724   // ---------- magic ball content --------------------------------------------
4725
4726   {
4727     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4728     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4729     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4730     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4731     &level.ball_content[0].e[0][0],             3, 3,
4732     NULL, NULL, NULL, "1",                      NULL
4733   },
4734   {
4735     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4736     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4737     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4738     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4739     &level.ball_content[1].e[0][0],             3, 3,
4740     NULL, NULL, NULL, "2",                      NULL
4741   },
4742   {
4743     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4744     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4745     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4746     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4747     &level.ball_content[2].e[0][0],             3, 3,
4748     NULL, NULL, NULL, "3",                      NULL
4749   },
4750   {
4751     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4752     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4753     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4754     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4755     &level.ball_content[3].e[0][0],             3, 3,
4756     NULL, NULL, NULL, "4",                      NULL
4757   },
4758   {
4759     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4760     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4761     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4762     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4763     &level.ball_content[4].e[0][0],             3, 3,
4764     NULL, NULL, NULL, "5",                      NULL
4765   },
4766   {
4767     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4768     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4769     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4770     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4771     &level.ball_content[5].e[0][0],             3, 3,
4772     NULL, NULL, NULL, "6",                      NULL
4773   },
4774   {
4775     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4776     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4777     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4778     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4779     &level.ball_content[6].e[0][0],             3, 3,
4780     NULL, NULL, NULL, "7",                      NULL
4781   },
4782   {
4783     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4784     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4785     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4786     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4787     &level.ball_content[7].e[0][0],             3, 3,
4788     NULL, NULL, NULL, "8",                      NULL
4789   },
4790
4791   // ---------- android content -----------------------------------------------
4792
4793   {
4794     ED_DRAWING_ID_ANDROID_CONTENT,
4795     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4796     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4797     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4798     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4799     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4800   },
4801
4802   // ---------- amoeba content ------------------------------------------------
4803
4804   {
4805     ED_DRAWING_ID_AMOEBA_CONTENT,
4806     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4807     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4808     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4809     &level.amoeba_content,                      1, 1,
4810     "Content:", NULL, NULL, NULL,               "Amoeba content"
4811   },
4812
4813   // ---------- BD snap element -----------------------------------------------
4814
4815   {
4816     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4817     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4818     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4819     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4820     &level.bd_snap_element,                     1, 1,
4821     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4822   },
4823
4824   // ---------- BD magic wall elements ----------------------------------------
4825
4826   {
4827     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4828     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4829     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4830     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4831     &level.bd_magic_wall_diamond_to,            1, 1,
4832     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4833   },
4834   {
4835     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4836     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4837     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4838     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4839     &level.bd_magic_wall_rock_to,               1, 1,
4840     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4841   },
4842   {
4843     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4844     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4845     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4846     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4847     &level.bd_magic_wall_mega_rock_to,          1, 1,
4848     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4849   },
4850   {
4851     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4852     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4853     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4854     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4855     &level.bd_magic_wall_nut_to,                1, 1,
4856     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4857   },
4858   {
4859     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4860     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4861     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4862     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4863     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4864     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4865   },
4866   {
4867     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4868     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4869     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4870     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4871     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4872     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4873   },
4874   {
4875     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4876     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(12),
4877     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4878     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4879     &level.bd_magic_wall_flying_rock_to,        1, 1,
4880     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4881   },
4882
4883   // ---------- BD amoeba content ---------------------------------------------
4884
4885   {
4886     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4887     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4888     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4889     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4890     &level.bd_amoeba_content_too_big,           1, 1,
4891     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4892   },
4893   {
4894     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4895     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4896     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4897     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4898     &level.bd_amoeba_content_enclosed,          1, 1,
4899     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4900   },
4901
4902   // ---------- BD amoeba 2 content -------------------------------------------
4903
4904   {
4905     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4906     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4907     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4908     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4909     &level.bd_amoeba_2_content_too_big,         1, 1,
4910     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4911   },
4912   {
4913     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4914     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4915     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4916     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4917     &level.bd_amoeba_2_content_enclosed,        1, 1,
4918     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4919   },
4920   {
4921     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4922     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4923     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4924     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4925     &level.bd_amoeba_2_content_exploding,       1, 1,
4926     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4927   },
4928   {
4929     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4930     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4931     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4932     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4933     &level.bd_amoeba_2_content_looks_like,      1, 1,
4934     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4935   },
4936   {
4937     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4938     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4939     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4940     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4941     &level.bd_slime_eats_element_1,             1, 1,
4942     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4943   },
4944   {
4945     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4946     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4947     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4948     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4949     &level.bd_slime_converts_to_element_1,      1, 1,
4950     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4951   },
4952   {
4953     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4954     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4955     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4956     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4957     &level.bd_slime_eats_element_2,             1, 1,
4958     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4959   },
4960   {
4961     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4962     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4963     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4964     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4965     &level.bd_slime_converts_to_element_2,      1, 1,
4966     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4967   },
4968   {
4969     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4970     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4971     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4972     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4973     &level.bd_slime_eats_element_3,             1, 1,
4974     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4975   },
4976   {
4977     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4978     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4979     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4980     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4981     &level.bd_slime_converts_to_element_3,      1, 1,
4982     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4983   },
4984   {
4985     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4986     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4987     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4988     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4989     &level.bd_acid_eats_element,                1, 1,
4990     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4991   },
4992   {
4993     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4994     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4995     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4996     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4997     &level.bd_acid_turns_to_element,            1, 1,
4998     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4999   },
5000   {
5001     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
5002     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5003     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5004     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
5005     &level.bd_biter_eats_element,               1, 1,
5006     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
5007   },
5008   {
5009     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
5010     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5011     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5012     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
5013     &level.bd_bladder_converts_by_element,      1, 1,
5014     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
5015   },
5016   {
5017     ED_DRAWING_ID_BD_NUT_CONTENT,
5018     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5019     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5020     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
5021     &level.bd_nut_content,                      1, 1,
5022     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
5023   },
5024   {
5025     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
5026     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5027     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5028     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
5029     &level.bd_expanding_wall_looks_like,        1, 1,
5030     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
5031   },
5032   {
5033     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
5034     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5035     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5036     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
5037     &level.bd_sand_looks_like,                  1, 1,
5038     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
5039   },
5040   {
5041     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
5042     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5043     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5044     GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,      GADGET_ID_NONE,
5045     &level.bd_rock_turns_to_on_falling,         1, 1,
5046     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
5047   },
5048   {
5049     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
5050     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
5051     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5052     GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,       GADGET_ID_NONE,
5053     &level.bd_rock_turns_to_on_impact,          1, 1,
5054     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
5055   },
5056   {
5057     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
5058     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5059     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5060     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,   GADGET_ID_NONE,
5061     &level.bd_diamond_turns_to_on_falling,      1, 1,
5062     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
5063   },
5064   {
5065     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
5066     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
5067     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5068     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,    GADGET_ID_NONE,
5069     &level.bd_diamond_turns_to_on_impact,       1, 1,
5070     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
5071   },
5072   {
5073     ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
5074     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5075     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5076     GADGET_ID_BD_FIREFLY_EXPLODES_TO,           GADGET_ID_NONE,
5077     &level.bd_firefly_explodes_to,              1, 1,
5078     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5079   },
5080   {
5081     ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
5082     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5083     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5084     GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,         GADGET_ID_NONE,
5085     &level.bd_firefly_2_explodes_to,            1, 1,
5086     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5087   },
5088   {
5089     ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
5090     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5091     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5092     GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,         GADGET_ID_NONE,
5093     &level.bd_butterfly_explodes_to,            1, 1,
5094     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5095   },
5096   {
5097     ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
5098     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5099     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5100     GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,       GADGET_ID_NONE,
5101     &level.bd_butterfly_2_explodes_to,          1, 1,
5102     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5103   },
5104   {
5105     ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
5106     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5107     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5108     GADGET_ID_BD_STONEFLY_EXPLODES_TO,          GADGET_ID_NONE,
5109     &level.bd_stonefly_explodes_to,             1, 1,
5110     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5111   },
5112   {
5113     ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
5114     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5115     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5116     GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,         GADGET_ID_NONE,
5117     &level.bd_dragonfly_explodes_to,            1, 1,
5118     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
5119   },
5120   {
5121     ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
5122     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5123     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5124     GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,        GADGET_ID_NONE,
5125     &level.bd_diamond_birth_turns_to,           1, 1,
5126     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5127   },
5128   {
5129     ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
5130     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5131     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5132     GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,       GADGET_ID_NONE,
5133     &level.bd_bomb_explosion_turns_to,          1, 1,
5134     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5135   },
5136   {
5137     ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
5138     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
5139     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5140     GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,      GADGET_ID_NONE,
5141     &level.bd_nitro_explosion_turns_to,         1, 1,
5142     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5143   },
5144   {
5145     ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
5146     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
5147     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5148     GADGET_ID_BD_EXPLOSION_TURNS_TO,            GADGET_ID_NONE,
5149     &level.bd_explosion_turns_to,               1, 1,
5150     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
5151   },
5152
5153   // ---------- level start element -------------------------------------------
5154
5155   {
5156     ED_DRAWING_ID_START_ELEMENT,
5157     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
5158     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5159     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
5160     &level.start_element[0],                    1, 1,
5161     NULL, NULL, NULL, NULL,                     "Level start element"
5162   },
5163
5164   // ---------- player artwork element ----------------------------------------
5165
5166   {
5167     ED_DRAWING_ID_ARTWORK_ELEMENT,
5168     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
5169     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5170     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
5171     &level.artwork_element[0],                  1, 1,
5172     NULL, NULL, NULL, NULL,                     "Element for player artwork"
5173   },
5174
5175   // ---------- player explosion element --------------------------------------
5176
5177   {
5178     ED_DRAWING_ID_EXPLOSION_ELEMENT,
5179     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
5180     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5181     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
5182     &level.explosion_element[0],                1, 1,
5183     NULL, NULL, NULL, NULL,                     "Element for player explosion"
5184   },
5185
5186   // ---------- player initial inventory --------------------------------------
5187
5188   {
5189     ED_DRAWING_ID_INVENTORY_CONTENT,
5190     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5191     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5192     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
5193     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
5194     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
5195   },
5196
5197   // ---------- gray ball content -----------------------------------------
5198
5199   {
5200     ED_DRAWING_ID_MM_BALL_CONTENT,
5201     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5202     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5203     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
5204     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
5205     "Content:", NULL, NULL, NULL,               "Content for gray ball"
5206   },
5207
5208   // ---------- element settings: configure 1 (custom elements) ---------------
5209
5210   // ---------- custom graphic ------------------------------------------------
5211
5212   {
5213     ED_DRAWING_ID_CUSTOM_GRAPHIC,
5214     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5215     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5216     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
5217     &custom_element.gfx_element_initial,        1, 1,
5218     NULL, NULL, NULL, NULL,                     "Custom graphic element"
5219   },
5220
5221   // ---------- element settings: configure 2 (custom elements) ---------------
5222
5223   // ---------- custom content (when exploding) -------------------------------
5224
5225   {
5226     ED_DRAWING_ID_CUSTOM_CONTENT,
5227     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
5228     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5229     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
5230     &custom_element.content.e[0][0],            3, 3,
5231     "Content:", NULL, NULL, NULL,               NULL
5232   },
5233
5234   // ---------- custom enter and leave element (when moving) ------------------
5235
5236   {
5237     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
5238     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
5239     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5240     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
5241     &custom_element.move_enter_element,         1, 1,
5242     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
5243   },
5244   {
5245     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
5246     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
5247     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5248     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
5249     &custom_element.move_leave_element,         1, 1,
5250     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
5251   },
5252
5253   // ---------- element settings: advanced (custom elements) ------------------
5254
5255   // ---------- custom change target ------------------------------------------
5256
5257   {
5258     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
5259     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5260     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5261     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
5262     &custom_element_change.target_element,      1, 1,
5263     NULL, "after/when:", NULL, NULL,            "New target element after change"
5264   },
5265
5266   // ---------- custom change content (extended change target) ----------------
5267
5268   {
5269     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
5270     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
5271     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5272     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
5273     &custom_element_change.target_content.e[0][0], 3, 3,
5274     NULL, NULL, NULL, NULL,                     "New extended elements after change"
5275   },
5276
5277   // ---------- custom change trigger (element causing change) ----------------
5278
5279   {
5280     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
5281     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
5282     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5283     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
5284     &custom_element_change.initial_trigger_element, 1, 1,
5285     NULL, NULL, NULL, NULL,                     "Other element triggering change"
5286   },
5287
5288   // ---------- custom change action (element used for action) ----------------
5289
5290   {
5291     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
5292     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
5293     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5294     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
5295     &custom_element_change.action_element,      1, 1,
5296     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
5297   },
5298
5299   // ---------- group element content -----------------------------------------
5300
5301   {
5302     ED_DRAWING_ID_GROUP_CONTENT,
5303     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5304     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5305     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
5306     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
5307     "Content:", NULL, NULL, NULL,               NULL
5308   },
5309
5310   // ---------- random background (for random painting) -----------------------
5311
5312   {
5313     ED_DRAWING_ID_RANDOM_BACKGROUND,
5314     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
5315     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
5316     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
5317     &random_placement_background_element,       1, 1,
5318     NULL, NULL, NULL, NULL,                     "Random placement background"
5319   },
5320 };
5321
5322
5323 // ----------------------------------------------------------------------------
5324 // some internally used variables
5325 // ----------------------------------------------------------------------------
5326
5327 // maximal size of level editor drawing area
5328 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
5329
5330 // actual size of level editor drawing area
5331 static int ed_fieldx, ed_fieldy;
5332
5333 // actual position of level editor drawing area in level playfield
5334 static int level_xpos = -1, level_ypos = -1;
5335
5336 // actual tile size used to display playfield drawing area
5337 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
5338 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
5339
5340 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
5341
5342 // drawing elements on the three mouse buttons
5343 static int new_element1 = EL_WALL;
5344 static int new_element2 = EL_EMPTY;
5345 static int new_element3 = EL_SAND;
5346
5347 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
5348 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
5349                                 (button) == 2 ? new_element2 : \
5350                                 (button) == 3 ? new_element3 : EL_EMPTY)
5351
5352 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
5353
5354 static int use_permanent_palette = TRUE;
5355
5356 #define PX              (use_permanent_palette ? DX : SX)
5357 #define PY              (use_permanent_palette ? DY : SY)
5358 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
5359 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
5360
5361 // forward declaration for internal use
5362 static void CopyBrushToCursor(int, int);
5363 static void DeleteBrushFromCursor(void);
5364 static void ModifyEditorCounterValue(int, int);
5365 static void ModifyEditorCounterLimits(int, int, int);
5366 static void ModifyEditorSelectboxValue(int, int);
5367 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
5368 static void ModifyEditorDrawingArea(int, int, int);
5369 static void ModifyEditorElementList(void);
5370 static void AdjustElementListScrollbar(void);
5371 static void RedrawDrawingElements(void);
5372 static void DrawDrawingWindowExt(boolean);
5373 static void DrawDrawingWindow(void);
5374 static void DrawLevelConfigWindow(void);
5375 static void DrawPropertiesWindow(void);
5376 static void DrawPaletteWindow(void);
5377 static void UpdateCustomElementGraphicGadgets(void);
5378 static boolean checkPropertiesConfig(int);
5379 static void SetAutomaticNumberOfGemsNeeded(void);
5380 static void ClearEditorGadgetInfoText(void);
5381 static void CopyLevelToUndoBuffer(int);
5382 static void HandleDrawingAreas(struct GadgetInfo *);
5383 static void HandleCounterButtons(struct GadgetInfo *);
5384 static void HandleTextInputGadgets(struct GadgetInfo *);
5385 static void HandleTextAreaGadgets(struct GadgetInfo *);
5386 static void HandleSelectboxGadgets(struct GadgetInfo *);
5387 static void HandleTextbuttonGadgets(struct GadgetInfo *);
5388 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
5389 static void HandleRadiobuttons(struct GadgetInfo *);
5390 static void HandleCheckbuttons(struct GadgetInfo *);
5391 static void HandleControlButtons(struct GadgetInfo *);
5392 static void HandleDrawingAreaInfo(struct GadgetInfo *);
5393 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
5394 static boolean AskToCopyAndModifyLevelTemplate(void);
5395 static boolean getDrawModeHiRes(void);
5396 static int getTabulatorBarWidth(void);
5397 static int getTabulatorBarHeight(void);
5398 static Pixel getTabulatorBarColor(void);
5399 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
5400 static int numHiresTiles(int);
5401
5402 static int num_editor_gadgets = 0;      // dynamically determined
5403
5404 static struct GadgetInfo **level_editor_gadget = NULL;
5405 static int *right_gadget_border = NULL;
5406
5407 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
5408 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
5409 static boolean draw_with_brush = FALSE;
5410 static int properties_element = 0;
5411
5412 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5413 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5414 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5415 static int undo_buffer_position = 0;
5416 static int undo_buffer_steps = 0;
5417 static int redo_buffer_steps = 0;
5418
5419 static int edit_mode;
5420 static int edit_mode_levelconfig;
5421 static int edit_mode_engineconfig;
5422 static int edit_mode_properties;
5423
5424 static int element_shift = 0;
5425
5426 static int editor_el_players[] =
5427 {
5428   EL_PLAYER_1,
5429   EL_PLAYER_2,
5430   EL_PLAYER_3,
5431   EL_PLAYER_4
5432 };
5433 static int *editor_el_players_ptr = editor_el_players;
5434 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
5435
5436 static int editor_hl_boulderdash[] =
5437 {
5438   EL_INTERNAL_CASCADE_BD_ACTIVE,
5439   EL_CHAR('B'),
5440   EL_CHAR('D'),
5441   EL_EMPTY,
5442 };
5443
5444 static int editor_el_boulderdash[] =
5445 {
5446   EL_EMPTY,
5447   EL_SAND,
5448   EL_BD_ROCK,
5449   EL_BD_DIAMOND,
5450
5451   EL_STEELWALL,
5452   EL_BD_WALL,
5453   EL_BD_EXPANDABLE_WALL,
5454   EL_BD_MAGIC_WALL,
5455
5456   EL_BD_AMOEBA,
5457   EL_BD_BUTTERFLY_UP,
5458   EL_BD_FIREFLY_UP,
5459   EL_EXIT_CLOSED,
5460
5461   EL_BD_BUTTERFLY_LEFT,
5462   EL_BD_FIREFLY_LEFT,
5463   EL_BD_BUTTERFLY_RIGHT,
5464   EL_BD_FIREFLY_RIGHT,
5465
5466   EL_EMPTY,
5467   EL_BD_BUTTERFLY_DOWN,
5468   EL_BD_FIREFLY_DOWN,
5469   EL_EXIT_OPEN,
5470 };
5471 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
5472 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
5473 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
5474 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
5475
5476 static int editor_hl_boulderdash_native[] =
5477 {
5478   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
5479   EL_CHAR('B'),
5480   EL_CHAR('D'),
5481   EL_EMPTY,
5482 };
5483
5484 static int editor_el_boulderdash_native[] =
5485 {
5486   EL_EMPTY,
5487   EL_BD_SAND,
5488   EL_BD_ROCK,
5489   EL_BD_DIAMOND,
5490
5491   EL_BD_INBOX,
5492   EL_BD_STEELWALL,
5493   EL_BD_WALL,
5494   EL_BD_MAGIC_WALL,
5495
5496   EL_BD_AMOEBA,
5497   EL_BD_BUTTERFLY_UP,
5498   EL_BD_FIREFLY_UP,
5499   EL_BD_EXIT_CLOSED,
5500
5501   EL_BD_BUTTERFLY_LEFT,
5502   EL_BD_FIREFLY_LEFT,
5503   EL_BD_BUTTERFLY_RIGHT,
5504   EL_BD_FIREFLY_RIGHT,
5505
5506   EL_BD_SAND_2,
5507   EL_BD_BUTTERFLY_DOWN,
5508   EL_BD_FIREFLY_DOWN,
5509   EL_BD_EXIT_OPEN,
5510
5511   EL_BD_AMOEBA_2,
5512   EL_BD_BUTTERFLY_2_UP,
5513   EL_BD_FIREFLY_2_UP,
5514   EL_BD_SLIME,
5515
5516   EL_BD_BUTTERFLY_2_LEFT,
5517   EL_BD_FIREFLY_2_LEFT,
5518   EL_BD_BUTTERFLY_2_RIGHT,
5519   EL_BD_FIREFLY_2_RIGHT,
5520
5521   EL_BD_BOMB,
5522   EL_BD_BUTTERFLY_2_DOWN,
5523   EL_BD_FIREFLY_2_DOWN,
5524   EL_BD_FLYING_DIAMOND,
5525
5526   EL_BD_NITRO_PACK,
5527   EL_BD_DRAGONFLY_UP,
5528   EL_BD_STONEFLY_UP,
5529   EL_BD_DIAMOND_GLUED,
5530
5531   EL_BD_DRAGONFLY_LEFT,
5532   EL_BD_STONEFLY_LEFT,
5533   EL_BD_DRAGONFLY_RIGHT,
5534   EL_BD_STONEFLY_RIGHT,
5535
5536   EL_BD_NUT,
5537   EL_BD_DRAGONFLY_DOWN,
5538   EL_BD_STONEFLY_DOWN,
5539   EL_EMPTY,
5540
5541   EL_BD_BITER_SWITCH_1,
5542   EL_BD_BITER_UP,
5543   EL_BD_COW_UP,
5544   EL_EMPTY,
5545
5546   EL_BD_BITER_LEFT,
5547   EL_BD_COW_LEFT,
5548   EL_BD_BITER_RIGHT,
5549   EL_BD_COW_RIGHT,
5550
5551   EL_BD_VOODOO_DOLL,
5552   EL_BD_BITER_DOWN,
5553   EL_BD_COW_DOWN,
5554   EL_BD_GHOST,
5555
5556   EL_BD_SAND_GLUED,
5557   EL_BD_SAND_BALL,
5558   EL_BD_SAND_LOOSE,
5559   EL_BD_WALL_NON_SLOPED,
5560
5561   EL_BD_SAND_SLOPED_UP_LEFT,
5562   EL_BD_SAND_SLOPED_UP_RIGHT,
5563   EL_BD_WALL_SLOPED_UP_LEFT,
5564   EL_BD_WALL_SLOPED_UP_RIGHT,
5565
5566   EL_BD_SAND_SLOPED_DOWN_LEFT,
5567   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5568   EL_BD_WALL_SLOPED_DOWN_LEFT,
5569   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5570
5571   EL_BD_FLYING_ROCK,
5572   EL_BD_ROCK_GLUED,
5573   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5574   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5575
5576   EL_BD_WAITING_ROCK,
5577   EL_BD_CHASING_ROCK,
5578   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5579   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5580
5581   EL_BD_MEGA_ROCK,
5582   EL_BD_SWEET,
5583   EL_BD_INVISIBLE_EXIT_CLOSED,
5584   EL_BD_INVISIBLE_EXIT_OPEN,
5585
5586   EL_BD_STEELWALL_EXPLODABLE,
5587   EL_BD_STEELWALL_DIGGABLE,
5588   EL_BD_WALL_DIGGABLE,
5589   EL_BD_FALLING_WALL,
5590
5591   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5592   EL_BD_EXPANDABLE_WALL_VERTICAL,
5593   EL_BD_EXPANDABLE_WALL_ANY,
5594   EL_BD_EXPANDABLE_WALL_SWITCH,
5595
5596   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5597   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5598   EL_BD_EXPANDABLE_STEELWALL_ANY,
5599   EL_BD_CREATURE_SWITCH,
5600
5601   EL_BD_BLADDER,
5602   EL_BD_BLADDER_SPENDER,
5603   EL_BD_REPLICATOR,
5604   EL_BD_REPLICATOR_SWITCH,
5605
5606   EL_BD_CONVEYOR_LEFT,
5607   EL_BD_CONVEYOR_RIGHT,
5608   EL_BD_CONVEYOR_SWITCH,
5609   EL_BD_CONVEYOR_DIR_SWITCH,
5610
5611   EL_BD_CLOCK,
5612   EL_BD_TIME_PENALTY,
5613   EL_BD_GRAVESTONE,
5614   EL_BD_SKELETON,
5615
5616   EL_BD_WATER,
5617   EL_BD_ACID,
5618   EL_BD_LAVA,
5619   EL_BD_BOX,
5620
5621   EL_BD_GATE_1,
5622   EL_BD_GATE_2,
5623   EL_BD_GATE_3,
5624   EL_BD_TRAPPED_DIAMOND,
5625
5626   EL_BD_KEY_1,
5627   EL_BD_KEY_2,
5628   EL_BD_KEY_3,
5629   EL_BD_DIAMOND_KEY,
5630
5631   EL_BD_WALL_KEY_1,
5632   EL_BD_WALL_KEY_2,
5633   EL_BD_WALL_KEY_3,
5634   EL_BD_WALL_DIAMOND,
5635
5636   EL_BD_POT,
5637   EL_BD_GRAVITY_SWITCH,
5638   EL_BD_PNEUMATIC_HAMMER,
5639   EL_BD_TELEPORTER,
5640
5641   EL_BD_PLAYER,
5642   EL_BD_PLAYER_WITH_BOMB,
5643   EL_BD_PLAYER_WITH_ROCKET_LAUNCHER,
5644   EL_BD_ROCKET_LAUNCHER,
5645
5646   EL_BD_PLAYER_GLUED,
5647   EL_BD_PLAYER_STIRRING,
5648   EL_EMPTY,
5649   EL_EMPTY,
5650 };
5651 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5652 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5653 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5654 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5655
5656 static int editor_hl_boulderdash_effects[] =
5657 {
5658   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5659   EL_CHAR('B'),
5660   EL_CHAR('D'),
5661   EL_CHAR('E'),
5662 };
5663
5664 static int editor_el_boulderdash_effects[] =
5665 {
5666   EL_BD_DIAMOND_FALLING,
5667   EL_BD_ROCK_FALLING,
5668   EL_BD_MEGA_ROCK_FALLING,
5669   EL_BD_FLYING_DIAMOND_FLYING,
5670
5671   EL_BD_FALLING_WALL_FALLING,
5672   EL_BD_NITRO_PACK_FALLING,
5673   EL_BD_NUT_FALLING,
5674   EL_BD_FLYING_ROCK_FLYING,
5675
5676   EL_BD_PLAYER_GROWING_1,
5677   EL_BD_PLAYER_GROWING_2,
5678   EL_BD_PLAYER_GROWING_3,
5679   EL_BD_PLAYER,
5680
5681   EL_BD_PLAYER_WITH_BOMB,
5682   EL_BD_PLAYER_STIRRING,
5683   EL_BD_EXIT_OPEN,
5684   EL_BD_INVISIBLE_EXIT_OPEN,
5685
5686   EL_BD_BLADDER_1,
5687   EL_BD_BLADDER_2,
5688   EL_BD_BLADDER_3,
5689   EL_BD_BLADDER_4,
5690
5691   EL_BD_BLADDER_5,
5692   EL_BD_BLADDER_6,
5693   EL_BD_BLADDER_7,
5694   EL_BD_BLADDER_8,
5695
5696   EL_BD_SAND_2,
5697   EL_BD_COW_ENCLOSED_1,
5698   EL_BD_COW_ENCLOSED_2,
5699   EL_BD_COW_ENCLOSED_3,
5700
5701   EL_BD_COW_ENCLOSED_4,
5702   EL_BD_COW_ENCLOSED_5,
5703   EL_BD_COW_ENCLOSED_6,
5704   EL_BD_COW_ENCLOSED_7,
5705
5706   EL_BD_WATER_1,
5707   EL_BD_WATER_2,
5708   EL_BD_WATER_3,
5709   EL_BD_WATER_4,
5710
5711   EL_BD_WATER_5,
5712   EL_BD_WATER_6,
5713   EL_BD_WATER_7,
5714   EL_BD_WATER_8,
5715
5716   EL_BD_WATER_9,
5717   EL_BD_WATER_10,
5718   EL_BD_WATER_11,
5719   EL_BD_WATER_12,
5720
5721   EL_BD_WATER_13,
5722   EL_BD_WATER_14,
5723   EL_BD_WATER_15,
5724   EL_BD_WATER_16,
5725
5726   EL_BD_BOMB_TICKING_1,
5727   EL_BD_BOMB_TICKING_2,
5728   EL_BD_BOMB_TICKING_3,
5729   EL_BD_BOMB_TICKING_4,
5730
5731   EL_BD_BOMB_TICKING_5,
5732   EL_BD_BOMB_TICKING_6,
5733   EL_BD_BOMB_TICKING_7,
5734   EL_EMPTY,
5735
5736   EL_BD_BOMB_EXPLODING_1,
5737   EL_BD_BOMB_EXPLODING_2,
5738   EL_BD_BOMB_EXPLODING_3,
5739   EL_BD_BOMB_EXPLODING_4,
5740
5741   EL_BD_NUT_BREAKING_1,
5742   EL_BD_NUT_BREAKING_2,
5743   EL_BD_NUT_BREAKING_3,
5744   EL_BD_NUT_BREAKING_4,
5745
5746   EL_BD_EXPLODING_1,
5747   EL_BD_EXPLODING_2,
5748   EL_BD_EXPLODING_3,
5749   EL_BD_EXPLODING_4,
5750
5751   EL_BD_EXPLODING_5,
5752   EL_BD_TIME_PENALTY,
5753   EL_BD_DIAMOND_GROWING_1,
5754   EL_BD_DIAMOND_GROWING_2,
5755
5756   EL_BD_DIAMOND_GROWING_3,
5757   EL_BD_DIAMOND_GROWING_4,
5758   EL_BD_DIAMOND_GROWING_5,
5759   EL_BD_NITRO_PACK_EXPLODING,
5760
5761   EL_BD_NITRO_PACK_EXPLODING_1,
5762   EL_BD_NITRO_PACK_EXPLODING_2,
5763   EL_BD_NITRO_PACK_EXPLODING_3,
5764   EL_BD_NITRO_PACK_EXPLODING_4,
5765
5766   EL_BD_ROCK_GROWING_1,
5767   EL_BD_ROCK_GROWING_2,
5768   EL_BD_ROCK_GROWING_3,
5769   EL_BD_ROCK_GROWING_4,
5770
5771   EL_BD_STEELWALL_GROWING_1,
5772   EL_BD_STEELWALL_GROWING_2,
5773   EL_BD_STEELWALL_GROWING_3,
5774   EL_BD_STEELWALL_GROWING_4,
5775
5776   EL_BD_CLOCK_GROWING_1,
5777   EL_BD_CLOCK_GROWING_2,
5778   EL_BD_CLOCK_GROWING_3,
5779   EL_BD_CLOCK_GROWING_4,
5780
5781   EL_BD_GHOST_EXPLODING_1,
5782   EL_BD_GHOST_EXPLODING_2,
5783   EL_BD_GHOST_EXPLODING_3,
5784   EL_BD_GHOST_EXPLODING_4,
5785 };
5786 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5787 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5788 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5789 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5790
5791 static int editor_hl_emerald_mine[] =
5792 {
5793   EL_INTERNAL_CASCADE_EM_ACTIVE,
5794   EL_CHAR('E'),
5795   EL_CHAR('M'),
5796   EL_EMPTY,
5797 };
5798
5799 static int editor_el_emerald_mine[] =
5800 {
5801   EL_SAND,
5802   EL_ROCK,
5803   EL_QUICKSAND_EMPTY,
5804   EL_QUICKSAND_FULL,
5805
5806   EL_STEELWALL,
5807   EL_WALL,
5808   EL_WALL_SLIPPERY,
5809   EL_MAGIC_WALL,
5810
5811   EL_EMERALD,
5812   EL_DIAMOND,
5813   EL_NUT,
5814   EL_BOMB,
5815
5816   EL_EM_DYNAMITE,
5817   EL_EM_DYNAMITE_ACTIVE,
5818   EL_EM_EXIT_CLOSED,
5819   EL_EM_EXIT_OPEN,
5820
5821   EL_YAMYAM_UP,
5822   EL_BUG_UP,
5823   EL_SPACESHIP_UP,
5824   EL_ROBOT,
5825
5826   EL_BUG_LEFT,
5827   EL_SPACESHIP_LEFT,
5828   EL_BUG_RIGHT,
5829   EL_SPACESHIP_RIGHT,
5830
5831   EL_ROBOT_WHEEL,
5832   EL_BUG_DOWN,
5833   EL_SPACESHIP_DOWN,
5834   EL_INVISIBLE_WALL,
5835
5836   EL_ACID_POOL_TOPLEFT,
5837   EL_ACID,
5838   EL_ACID_POOL_TOPRIGHT,
5839   EL_AMOEBA_DROP,
5840
5841   EL_ACID_POOL_BOTTOMLEFT,
5842   EL_ACID_POOL_BOTTOM,
5843   EL_ACID_POOL_BOTTOMRIGHT,
5844   EL_AMOEBA_WET,
5845
5846   EL_EM_KEY_1,
5847   EL_EM_KEY_2,
5848   EL_EM_KEY_3,
5849   EL_EM_KEY_4,
5850
5851   EL_EM_GATE_1,
5852   EL_EM_GATE_2,
5853   EL_EM_GATE_3,
5854   EL_EM_GATE_4,
5855
5856   EL_EM_GATE_1_GRAY,
5857   EL_EM_GATE_2_GRAY,
5858   EL_EM_GATE_3_GRAY,
5859   EL_EM_GATE_4_GRAY,
5860 };
5861 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5862 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5863 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5864 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5865
5866 static int editor_hl_emerald_mine_club[] =
5867 {
5868   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5869   EL_CHAR('E'),
5870   EL_CHAR('M'),
5871   EL_CHAR('C'),
5872 };
5873
5874 static int editor_el_emerald_mine_club[] =
5875 {
5876   EL_EMC_KEY_5,
5877   EL_EMC_KEY_6,
5878   EL_EMC_KEY_7,
5879   EL_EMC_KEY_8,
5880
5881   EL_EMC_GATE_5,
5882   EL_EMC_GATE_6,
5883   EL_EMC_GATE_7,
5884   EL_EMC_GATE_8,
5885
5886   EL_EMC_GATE_5_GRAY,
5887   EL_EMC_GATE_6_GRAY,
5888   EL_EMC_GATE_7_GRAY,
5889   EL_EMC_GATE_8_GRAY,
5890
5891   EL_EMC_STEELWALL_1,
5892   EL_EMC_STEELWALL_2,
5893   EL_EMC_STEELWALL_3,
5894   EL_EMC_STEELWALL_4,
5895
5896   EL_EMC_WALL_13,
5897   EL_EMC_WALL_14,
5898   EL_EMC_WALL_15,
5899   EL_EMC_WALL_16,
5900
5901   EL_EMC_WALL_SLIPPERY_1,
5902   EL_EMC_WALL_SLIPPERY_2,
5903   EL_EMC_WALL_SLIPPERY_3,
5904   EL_EMC_WALL_SLIPPERY_4,
5905
5906   EL_EMC_WALL_1,
5907   EL_EMC_WALL_2,
5908   EL_EMC_WALL_3,
5909   EL_EMC_WALL_4,
5910
5911   EL_EMC_WALL_5,
5912   EL_EMC_WALL_6,
5913   EL_EMC_WALL_7,
5914   EL_EMC_WALL_8,
5915
5916   EL_EMC_WALL_9,
5917   EL_EMC_WALL_10,
5918   EL_EMC_WALL_11,
5919   EL_EMC_WALL_12,
5920
5921   EL_EMC_GRASS,
5922   EL_EMC_FAKE_GRASS,
5923   EL_EMC_PLANT,
5924   EL_EMC_DRIPPER,
5925
5926   EL_EMC_MAGIC_BALL,
5927   EL_EMC_MAGIC_BALL_SWITCH,
5928   EL_EMC_LENSES,
5929   EL_EMC_MAGNIFIER,
5930
5931   EL_SPRING_LEFT,
5932   EL_SPRING,
5933   EL_SPRING_RIGHT,
5934   EL_EMC_SPRING_BUMPER,
5935
5936   EL_BALLOON,
5937   EL_YAMYAM_UP,
5938   EL_BALLOON_SWITCH_UP,
5939   EL_BALLOON_SWITCH_ANY,
5940
5941   EL_YAMYAM_LEFT,
5942   EL_BALLOON_SWITCH_LEFT,
5943   EL_YAMYAM_RIGHT,
5944   EL_BALLOON_SWITCH_RIGHT,
5945
5946   EL_EMC_ANDROID,
5947   EL_YAMYAM_DOWN,
5948   EL_BALLOON_SWITCH_DOWN,
5949   EL_BALLOON_SWITCH_NONE,
5950 };
5951 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5952 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5953 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5954 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5955
5956 static int editor_hl_rnd[] =
5957 {
5958   EL_INTERNAL_CASCADE_RND_ACTIVE,
5959   EL_CHAR('R'),
5960   EL_CHAR('N'),
5961   EL_CHAR('D'),
5962 };
5963
5964 static int editor_el_rnd[] =
5965 {
5966   EL_DYNAMITE,                  // RND
5967   EL_DYNAMITE_ACTIVE,           // RND
5968   EL_EMPTY,
5969   EL_EMPTY,
5970
5971   EL_KEY_1,
5972   EL_KEY_2,
5973   EL_KEY_3,
5974   EL_KEY_4,
5975
5976   EL_GATE_1,
5977   EL_GATE_2,
5978   EL_GATE_3,
5979   EL_GATE_4,
5980
5981   EL_GATE_1_GRAY,
5982   EL_GATE_2_GRAY,
5983   EL_GATE_3_GRAY,
5984   EL_GATE_4_GRAY,
5985
5986   EL_ARROW_LEFT,
5987   EL_ARROW_RIGHT,
5988   EL_ARROW_UP,
5989   EL_ARROW_DOWN,
5990
5991   EL_AMOEBA_DEAD,
5992   EL_AMOEBA_DRY,
5993   EL_AMOEBA_FULL,
5994   EL_GAME_OF_LIFE,
5995
5996   EL_EMERALD_YELLOW,
5997   EL_EMERALD_RED,
5998   EL_EMERALD_PURPLE,
5999   EL_BIOMAZE,
6000
6001   EL_WALL_EMERALD_YELLOW,
6002   EL_WALL_EMERALD_RED,
6003   EL_WALL_EMERALD_PURPLE,
6004   EL_WALL_BD_DIAMOND,
6005
6006   EL_SPEED_PILL,
6007   EL_PACMAN_UP,
6008   EL_TIME_ORB_FULL,
6009   EL_TIME_ORB_EMPTY,
6010
6011   EL_PACMAN_LEFT,
6012   EL_DARK_YAMYAM,
6013   EL_PACMAN_RIGHT,
6014   EL_YAMYAM,                    // RND
6015
6016   EL_BLACK_ORB,
6017   EL_PACMAN_DOWN,
6018   EL_LAMP,
6019   EL_LAMP_ACTIVE,
6020
6021   EL_DYNABOMB_INCREASE_NUMBER,
6022   EL_DYNABOMB_INCREASE_SIZE,
6023   EL_DYNABOMB_INCREASE_POWER,
6024   EL_STONEBLOCK,
6025
6026   EL_MOLE,
6027   EL_PENGUIN,
6028   EL_PIG,
6029   EL_DRAGON,
6030
6031   EL_BUG,
6032   EL_MOLE_UP,
6033   EL_BD_BUTTERFLY,
6034   EL_BD_FIREFLY,
6035
6036   EL_MOLE_LEFT,
6037   EL_SATELLITE,
6038   EL_MOLE_RIGHT,
6039   EL_PACMAN,
6040
6041   EL_SPACESHIP,
6042   EL_MOLE_DOWN,
6043   EL_INVISIBLE_STEELWALL,
6044   EL_INVISIBLE_WALL,
6045
6046   EL_EXPANDABLE_WALL,
6047   EL_EXPANDABLE_WALL_HORIZONTAL,
6048   EL_EXPANDABLE_WALL_VERTICAL,
6049   EL_EXPANDABLE_WALL_ANY,
6050 };
6051 static int *editor_hl_rnd_ptr = editor_hl_rnd;
6052 static int *editor_el_rnd_ptr = editor_el_rnd;
6053 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
6054 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
6055
6056 static int editor_hl_sokoban[] =
6057 {
6058   EL_INTERNAL_CASCADE_SB_ACTIVE,
6059   EL_CHAR('S'),
6060   EL_CHAR('B'),
6061   EL_EMPTY,
6062 };
6063
6064 static int editor_el_sokoban[] =
6065 {
6066   EL_SOKOBAN_OBJECT,
6067   EL_SOKOBAN_FIELD_EMPTY,
6068   EL_SOKOBAN_FIELD_FULL,
6069   EL_SOKOBAN_FIELD_PLAYER,
6070 };
6071 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
6072 static int *editor_el_sokoban_ptr = editor_el_sokoban;
6073 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
6074 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
6075
6076 static int editor_hl_supaplex[] =
6077 {
6078   EL_INTERNAL_CASCADE_SP_ACTIVE,
6079   EL_CHAR('S'),
6080   EL_CHAR('P'),
6081   EL_EMPTY,
6082 };
6083
6084 static int editor_el_supaplex[] =
6085 {
6086   EL_SP_MURPHY,
6087   EL_EMPTY,
6088   EL_SP_BASE,
6089   EL_SP_BUGGY_BASE,
6090
6091   EL_SP_INFOTRON,
6092   EL_SP_ZONK,
6093   EL_SP_SNIKSNAK,
6094   EL_SP_ELECTRON,
6095
6096   EL_SP_DISK_RED,
6097   EL_SP_DISK_ORANGE,
6098   EL_SP_DISK_YELLOW,
6099   EL_SP_TERMINAL,
6100
6101   EL_SP_EXIT_CLOSED,
6102   EL_SP_PORT_HORIZONTAL,
6103   EL_SP_PORT_VERTICAL,
6104   EL_SP_PORT_ANY,
6105
6106   EL_SP_PORT_LEFT,
6107   EL_SP_PORT_RIGHT,
6108   EL_SP_PORT_UP,
6109   EL_SP_PORT_DOWN,
6110
6111   EL_SP_GRAVITY_PORT_LEFT,
6112   EL_SP_GRAVITY_PORT_RIGHT,
6113   EL_SP_GRAVITY_PORT_UP,
6114   EL_SP_GRAVITY_PORT_DOWN,
6115
6116   EL_SP_GRAVITY_ON_PORT_LEFT,
6117   EL_SP_GRAVITY_ON_PORT_RIGHT,
6118   EL_SP_GRAVITY_ON_PORT_UP,
6119   EL_SP_GRAVITY_ON_PORT_DOWN,
6120
6121   EL_SP_GRAVITY_OFF_PORT_LEFT,
6122   EL_SP_GRAVITY_OFF_PORT_RIGHT,
6123   EL_SP_GRAVITY_OFF_PORT_UP,
6124   EL_SP_GRAVITY_OFF_PORT_DOWN,
6125
6126   EL_SP_HARDWARE_GRAY,
6127   EL_SP_HARDWARE_GREEN,
6128   EL_SP_HARDWARE_BLUE,
6129   EL_SP_HARDWARE_RED,
6130
6131   EL_SP_HARDWARE_BASE_1,
6132   EL_SP_HARDWARE_BASE_2,
6133   EL_SP_HARDWARE_BASE_3,
6134   EL_SP_HARDWARE_BASE_4,
6135
6136   EL_SP_HARDWARE_BASE_5,
6137   EL_SP_HARDWARE_BASE_6,
6138   EL_SP_HARDWARE_YELLOW,
6139   EL_SP_CHIP_TOP,
6140
6141   EL_SP_CHIP_SINGLE,
6142   EL_SP_CHIP_LEFT,
6143   EL_SP_CHIP_RIGHT,
6144   EL_SP_CHIP_BOTTOM,
6145 };
6146 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
6147 static int *editor_el_supaplex_ptr = editor_el_supaplex;
6148 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
6149 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
6150
6151 static int editor_hl_diamond_caves[] =
6152 {
6153   EL_INTERNAL_CASCADE_DC_ACTIVE,
6154   EL_CHAR('D'),
6155   EL_CHAR('C'),
6156   EL_CHAR('2'),
6157 };
6158
6159 static int editor_el_diamond_caves[] =
6160 {
6161   EL_EM_STEEL_EXIT_CLOSED,      // DC2
6162   EL_EM_STEEL_EXIT_OPEN,        // DC2
6163   EL_WALL_EMERALD,              // DC2
6164   EL_WALL_DIAMOND,              // DC2
6165
6166   EL_PEARL,
6167   EL_CRYSTAL,
6168   EL_WALL_PEARL,
6169   EL_WALL_CRYSTAL,
6170
6171   EL_CONVEYOR_BELT_1_LEFT,
6172   EL_CONVEYOR_BELT_1_MIDDLE,
6173   EL_CONVEYOR_BELT_1_RIGHT,
6174   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
6175
6176   EL_CONVEYOR_BELT_2_LEFT,
6177   EL_CONVEYOR_BELT_2_MIDDLE,
6178   EL_CONVEYOR_BELT_2_RIGHT,
6179   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
6180
6181   EL_CONVEYOR_BELT_3_LEFT,
6182   EL_CONVEYOR_BELT_3_MIDDLE,
6183   EL_CONVEYOR_BELT_3_RIGHT,
6184   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
6185
6186   EL_CONVEYOR_BELT_4_LEFT,
6187   EL_CONVEYOR_BELT_4_MIDDLE,
6188   EL_CONVEYOR_BELT_4_RIGHT,
6189   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
6190
6191   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
6192   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
6193   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
6194   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
6195
6196   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
6197   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
6198   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
6199   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
6200
6201   EL_TIMEGATE_CLOSED,
6202   EL_TIMEGATE_OPEN,
6203   EL_TIMEGATE_SWITCH,
6204   EL_DC_TIMEGATE_SWITCH,
6205
6206   EL_SWITCHGATE_CLOSED,
6207   EL_SWITCHGATE_OPEN,
6208   EL_SWITCHGATE_SWITCH_UP,
6209   EL_SWITCHGATE_SWITCH_DOWN,
6210
6211   EL_LIGHT_SWITCH,
6212   EL_LIGHT_SWITCH_ACTIVE,
6213   EL_DC_SWITCHGATE_SWITCH_UP,
6214   EL_DC_SWITCHGATE_SWITCH_DOWN,
6215
6216   EL_STEEL_EXIT_CLOSED,
6217   EL_STEEL_EXIT_OPEN,
6218   EL_STEELWALL_SLIPPERY,
6219   EL_INVISIBLE_SAND,
6220
6221   EL_QUICKSAND_FAST_EMPTY,
6222   EL_QUICKSAND_FAST_FULL,
6223   EL_LANDMINE,
6224   EL_DC_LANDMINE,
6225
6226   EL_SHIELD_NORMAL,
6227   EL_SHIELD_DEADLY,
6228   EL_EXTRA_TIME,
6229   EL_DC_MAGIC_WALL,
6230
6231   EL_ENVELOPE_1,
6232   EL_ENVELOPE_2,
6233   EL_ENVELOPE_3,
6234   EL_ENVELOPE_4,
6235
6236   EL_SIGN_RADIOACTIVITY,
6237   EL_SIGN_WHEELCHAIR,
6238   EL_SIGN_PARKING,
6239   EL_SIGN_NO_ENTRY,
6240
6241   EL_SIGN_GIVE_WAY,
6242   EL_SIGN_ENTRY_FORBIDDEN,
6243   EL_SIGN_EMERGENCY_EXIT,
6244   EL_SIGN_YIN_YANG,
6245
6246 #if 0
6247   EL_SIGN_SPERMS,
6248   EL_SIGN_BULLET,
6249   EL_SIGN_HEART,
6250   EL_SIGN_CROSS,
6251
6252   EL_SIGN_FRANKIE,
6253   EL_EMPTY,
6254   EL_EMPTY,
6255   EL_EMPTY,
6256
6257   EL_SPERMS,
6258   EL_BULLET,
6259   EL_HEART,
6260   EL_CROSS,
6261
6262   EL_FRANKIE,
6263   EL_EMPTY,
6264   EL_EMPTY,
6265   EL_EMPTY,
6266 #endif
6267
6268   EL_DC_STEELWALL_2_SINGLE,
6269   EL_DC_STEELWALL_2_TOP,
6270   EL_SIGN_EXCLAMATION,
6271   EL_SIGN_STOP,
6272
6273   EL_DC_STEELWALL_2_LEFT,
6274   EL_DC_STEELWALL_2_MIDDLE,
6275   EL_DC_STEELWALL_2_HORIZONTAL,
6276   EL_DC_STEELWALL_2_RIGHT,
6277
6278   EL_DC_STEELWALL_1_TOPLEFT,
6279   EL_DC_STEELWALL_2_VERTICAL,
6280   EL_DC_STEELWALL_1_TOPRIGHT,
6281   EL_DC_GATE_WHITE,
6282
6283   EL_DC_STEELWALL_1_VERTICAL,
6284   EL_DC_STEELWALL_2_BOTTOM,
6285   EL_DC_KEY_WHITE,
6286   EL_DC_GATE_WHITE_GRAY,
6287
6288   EL_DC_STEELWALL_1_BOTTOMLEFT,
6289   EL_DC_STEELWALL_1_HORIZONTAL,
6290   EL_DC_STEELWALL_1_BOTTOMRIGHT,
6291   EL_DC_GATE_FAKE_GRAY,
6292
6293   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
6294   EL_DC_STEELWALL_1_BOTTOM,
6295   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
6296   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
6297
6298   EL_DC_STEELWALL_1_RIGHT,
6299   EL_EMPTY,
6300   EL_DC_STEELWALL_1_LEFT,
6301   EL_EXPANDABLE_STEELWALL_VERTICAL,
6302
6303   EL_DC_STEELWALL_1_TOPRIGHT_2,
6304   EL_DC_STEELWALL_1_TOP,
6305   EL_DC_STEELWALL_1_TOPLEFT_2,
6306   EL_EXPANDABLE_STEELWALL_ANY,
6307 };
6308 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
6309 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
6310 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
6311 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
6312
6313 static int editor_hl_dx_boulderdash[] =
6314 {
6315   EL_INTERNAL_CASCADE_DX_ACTIVE,
6316   EL_CHAR('D'),
6317   EL_CHAR('X'),
6318   EL_EMPTY,
6319 };
6320
6321 static int editor_el_dx_boulderdash[] =
6322 {
6323   EL_EMPTY,
6324   EL_TUBE_RIGHT_DOWN,
6325   EL_TUBE_HORIZONTAL_DOWN,
6326   EL_TUBE_LEFT_DOWN,
6327
6328   EL_TUBE_HORIZONTAL,
6329   EL_TUBE_VERTICAL_RIGHT,
6330   EL_TUBE_ANY,
6331   EL_TUBE_VERTICAL_LEFT,
6332
6333   EL_TUBE_VERTICAL,
6334   EL_TUBE_RIGHT_UP,
6335   EL_TUBE_HORIZONTAL_UP,
6336   EL_TUBE_LEFT_UP,
6337
6338   EL_TRAP,
6339   EL_DX_SUPABOMB,
6340   EL_EMPTY,
6341   EL_EMPTY
6342 };
6343 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
6344 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
6345 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
6346 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
6347
6348 static int editor_hl_mirror_magic[] =
6349 {
6350   EL_INTERNAL_CASCADE_MM_ACTIVE,
6351   EL_CHAR('M'),
6352   EL_CHAR('M'),
6353   EL_EMPTY,
6354 };
6355
6356 static int editor_el_mirror_magic[] =
6357 {
6358   EL_MM_MCDUFFIN_RIGHT,
6359   EL_MM_MCDUFFIN_UP,
6360   EL_MM_MCDUFFIN_LEFT,
6361   EL_MM_MCDUFFIN_DOWN,
6362
6363   EL_MM_MIRROR_START,
6364   EL_MM_MIRROR_FIXED_START,
6365   EL_MM_POLARIZER_START,
6366   EL_MM_POLARIZER_CROSS_START,
6367
6368   EL_MM_TELEPORTER_RED_START,
6369   EL_MM_TELEPORTER_YELLOW_START,
6370   EL_MM_TELEPORTER_GREEN_START,
6371   EL_MM_TELEPORTER_BLUE_START,
6372
6373   EL_MM_PRISM,
6374   EL_MM_FUSE_ACTIVE,
6375   EL_MM_PACMAN_RIGHT,
6376   EL_MM_EXIT_CLOSED,
6377
6378   EL_MM_KETTLE,
6379   EL_MM_BOMB,
6380   EL_MM_KEY,
6381   EL_MM_FUEL_FULL,
6382
6383   EL_MM_LIGHTBULB,
6384   EL_MM_LIGHTBULB_ACTIVE,
6385   EL_MM_GRAY_BALL,
6386   EL_MM_LIGHTBALL,
6387
6388   EL_MM_STEEL_WALL,
6389   EL_MM_WOODEN_WALL,
6390   EL_MM_ICE_WALL,
6391   EL_MM_AMOEBA_WALL,
6392
6393   EL_MM_STEEL_LOCK,
6394   EL_MM_WOODEN_LOCK,
6395   EL_MM_STEEL_BLOCK,
6396   EL_MM_WOODEN_BLOCK,
6397
6398   EL_MM_STEEL_GRID_FIXED_1,
6399   EL_MM_STEEL_GRID_FIXED_2,
6400   EL_MM_STEEL_GRID_FIXED_3,
6401   EL_MM_STEEL_GRID_FIXED_4,
6402
6403   EL_MM_WOODEN_GRID_FIXED_1,
6404   EL_MM_WOODEN_GRID_FIXED_2,
6405   EL_MM_WOODEN_GRID_FIXED_3,
6406   EL_MM_WOODEN_GRID_FIXED_4,
6407
6408   EL_MM_ENVELOPE_1,
6409   EL_MM_ENVELOPE_2,
6410   EL_MM_ENVELOPE_3,
6411   EL_MM_ENVELOPE_4
6412 };
6413 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
6414 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
6415 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
6416 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
6417
6418 static int editor_hl_deflektor[] =
6419 {
6420   EL_INTERNAL_CASCADE_DF_ACTIVE,
6421   EL_CHAR('D'),
6422   EL_CHAR('F'),
6423   EL_EMPTY,
6424 };
6425
6426 static int editor_el_deflektor[] =
6427 {
6428   EL_DF_LASER_RIGHT,
6429   EL_DF_LASER_UP,
6430   EL_DF_LASER_LEFT,
6431   EL_DF_LASER_DOWN,
6432
6433   EL_DF_RECEIVER_RIGHT,
6434   EL_DF_RECEIVER_UP,
6435   EL_DF_RECEIVER_LEFT,
6436   EL_DF_RECEIVER_DOWN,
6437
6438   EL_DF_MIRROR_START,
6439   EL_DF_MIRROR_ROTATING_START,
6440   EL_DF_MIRROR_FIXED_START,
6441   EL_DF_CELL,
6442
6443   EL_DF_FIBRE_OPTIC_RED_1,
6444   EL_DF_FIBRE_OPTIC_YELLOW_1,
6445   EL_DF_FIBRE_OPTIC_GREEN_1,
6446   EL_DF_FIBRE_OPTIC_BLUE_1,
6447
6448   EL_DF_STEEL_GRID_FIXED_START,
6449   EL_DF_STEEL_GRID_ROTATING_START,
6450   EL_DF_WOODEN_GRID_FIXED_START,
6451   EL_DF_WOODEN_GRID_ROTATING_START,
6452
6453   EL_DF_STEEL_WALL,
6454   EL_DF_WOODEN_WALL,
6455   EL_DF_REFRACTOR,
6456   EL_DF_MINE,
6457
6458   EL_DF_SLOPE_1,
6459   EL_DF_SLOPE_2,
6460   EL_DF_SLOPE_3,
6461   EL_DF_SLOPE_4
6462 };
6463 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
6464 static int *editor_el_deflektor_ptr = editor_el_deflektor;
6465 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
6466 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
6467
6468 static int editor_hl_chars[] =
6469 {
6470   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
6471   EL_CHAR('T'),
6472   EL_CHAR('X'),
6473   EL_CHAR('T'),
6474 };
6475
6476 static int editor_el_chars[] =
6477 {
6478   EL_CHAR(' '),
6479   EL_CHAR('!'),
6480   EL_CHAR('"'),
6481   EL_CHAR('#'),
6482
6483   EL_CHAR('$'),
6484   EL_CHAR('%'),
6485   EL_CHAR('&'),
6486   EL_CHAR('\''),
6487
6488   EL_CHAR('('),
6489   EL_CHAR(')'),
6490   EL_CHAR('*'),
6491   EL_CHAR('+'),
6492
6493   EL_CHAR(','),
6494   EL_CHAR('-'),
6495   EL_CHAR('.'),
6496   EL_CHAR('/'),
6497
6498   EL_CHAR('0'),
6499   EL_CHAR('1'),
6500   EL_CHAR('2'),
6501   EL_CHAR('3'),
6502
6503   EL_CHAR('4'),
6504   EL_CHAR('5'),
6505   EL_CHAR('6'),
6506   EL_CHAR('7'),
6507
6508   EL_CHAR('8'),
6509   EL_CHAR('9'),
6510   EL_CHAR(':'),
6511   EL_CHAR(';'),
6512
6513   EL_CHAR('<'),
6514   EL_CHAR('='),
6515   EL_CHAR('>'),
6516   EL_CHAR('?'),
6517
6518   EL_CHAR('@'),
6519   EL_CHAR('A'),
6520   EL_CHAR('B'),
6521   EL_CHAR('C'),
6522
6523   EL_CHAR('D'),
6524   EL_CHAR('E'),
6525   EL_CHAR('F'),
6526   EL_CHAR('G'),
6527
6528   EL_CHAR('H'),
6529   EL_CHAR('I'),
6530   EL_CHAR('J'),
6531   EL_CHAR('K'),
6532
6533   EL_CHAR('L'),
6534   EL_CHAR('M'),
6535   EL_CHAR('N'),
6536   EL_CHAR('O'),
6537
6538   EL_CHAR('P'),
6539   EL_CHAR('Q'),
6540   EL_CHAR('R'),
6541   EL_CHAR('S'),
6542
6543   EL_CHAR('T'),
6544   EL_CHAR('U'),
6545   EL_CHAR('V'),
6546   EL_CHAR('W'),
6547
6548   EL_CHAR('X'),
6549   EL_CHAR('Y'),
6550   EL_CHAR('Z'),
6551   EL_CHAR('['),
6552
6553   EL_CHAR('\\'),
6554   EL_CHAR(']'),
6555   EL_CHAR('^'),
6556   EL_CHAR('_'),
6557
6558   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6559   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6560   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6561   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6562
6563   EL_CHAR(CHAR_BYTE_DEGREE),
6564   EL_CHAR(CHAR_BYTE_REGISTERED),
6565   EL_CHAR(FONT_ASCII_CURSOR),
6566   EL_CHAR(FONT_ASCII_BUTTON),
6567
6568   EL_CHAR(FONT_ASCII_UP),
6569   EL_CHAR(FONT_ASCII_DOWN),
6570   EL_CHAR(' '),
6571   EL_CHAR(' ')
6572 };
6573 static int *editor_hl_chars_ptr = editor_hl_chars;
6574 static int *editor_el_chars_ptr = editor_el_chars;
6575 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6576 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6577
6578 static int editor_hl_steel_chars[] =
6579 {
6580   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6581   EL_STEEL_CHAR('T'),
6582   EL_STEEL_CHAR('X'),
6583   EL_STEEL_CHAR('T'),
6584 };
6585
6586 static int editor_el_steel_chars[] =
6587 {
6588   EL_STEEL_CHAR(' '),
6589   EL_STEEL_CHAR('!'),
6590   EL_STEEL_CHAR('"'),
6591   EL_STEEL_CHAR('#'),
6592
6593   EL_STEEL_CHAR('$'),
6594   EL_STEEL_CHAR('%'),
6595   EL_STEEL_CHAR('&'),
6596   EL_STEEL_CHAR('\''),
6597
6598   EL_STEEL_CHAR('('),
6599   EL_STEEL_CHAR(')'),
6600   EL_STEEL_CHAR('*'),
6601   EL_STEEL_CHAR('+'),
6602
6603   EL_STEEL_CHAR(','),
6604   EL_STEEL_CHAR('-'),
6605   EL_STEEL_CHAR('.'),
6606   EL_STEEL_CHAR('/'),
6607
6608   EL_STEEL_CHAR('0'),
6609   EL_STEEL_CHAR('1'),
6610   EL_STEEL_CHAR('2'),
6611   EL_STEEL_CHAR('3'),
6612
6613   EL_STEEL_CHAR('4'),
6614   EL_STEEL_CHAR('5'),
6615   EL_STEEL_CHAR('6'),
6616   EL_STEEL_CHAR('7'),
6617
6618   EL_STEEL_CHAR('8'),
6619   EL_STEEL_CHAR('9'),
6620   EL_STEEL_CHAR(':'),
6621   EL_STEEL_CHAR(';'),
6622
6623   EL_STEEL_CHAR('<'),
6624   EL_STEEL_CHAR('='),
6625   EL_STEEL_CHAR('>'),
6626   EL_STEEL_CHAR('?'),
6627
6628   EL_STEEL_CHAR('@'),
6629   EL_STEEL_CHAR('A'),
6630   EL_STEEL_CHAR('B'),
6631   EL_STEEL_CHAR('C'),
6632
6633   EL_STEEL_CHAR('D'),
6634   EL_STEEL_CHAR('E'),
6635   EL_STEEL_CHAR('F'),
6636   EL_STEEL_CHAR('G'),
6637
6638   EL_STEEL_CHAR('H'),
6639   EL_STEEL_CHAR('I'),
6640   EL_STEEL_CHAR('J'),
6641   EL_STEEL_CHAR('K'),
6642
6643   EL_STEEL_CHAR('L'),
6644   EL_STEEL_CHAR('M'),
6645   EL_STEEL_CHAR('N'),
6646   EL_STEEL_CHAR('O'),
6647
6648   EL_STEEL_CHAR('P'),
6649   EL_STEEL_CHAR('Q'),
6650   EL_STEEL_CHAR('R'),
6651   EL_STEEL_CHAR('S'),
6652
6653   EL_STEEL_CHAR('T'),
6654   EL_STEEL_CHAR('U'),
6655   EL_STEEL_CHAR('V'),
6656   EL_STEEL_CHAR('W'),
6657
6658   EL_STEEL_CHAR('X'),
6659   EL_STEEL_CHAR('Y'),
6660   EL_STEEL_CHAR('Z'),
6661   EL_STEEL_CHAR('['),
6662
6663   EL_STEEL_CHAR('\\'),
6664   EL_STEEL_CHAR(']'),
6665   EL_STEEL_CHAR('^'),
6666   EL_STEEL_CHAR('_'),
6667
6668   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6669   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6670   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6671   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6672
6673   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6674   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6675   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6676   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6677
6678   EL_STEEL_CHAR(FONT_ASCII_UP),
6679   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6680   EL_STEEL_CHAR(' '),
6681   EL_STEEL_CHAR(' ')
6682 };
6683 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6684 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6685 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6686 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6687
6688 static int editor_hl_custom[] =
6689 {
6690   EL_INTERNAL_CASCADE_CE_ACTIVE,
6691   EL_CHAR('C'),
6692   EL_CHAR('E'),
6693   EL_EMPTY,
6694 };
6695
6696 static int editor_el_custom[] =
6697 {
6698   EL_CUSTOM_START + 0,
6699   EL_CUSTOM_START + 1,
6700   EL_CUSTOM_START + 2,
6701   EL_CUSTOM_START + 3,
6702
6703   EL_CUSTOM_START + 4,
6704   EL_CUSTOM_START + 5,
6705   EL_CUSTOM_START + 6,
6706   EL_CUSTOM_START + 7,
6707
6708   EL_CUSTOM_START + 8,
6709   EL_CUSTOM_START + 9,
6710   EL_CUSTOM_START + 10,
6711   EL_CUSTOM_START + 11,
6712
6713   EL_CUSTOM_START + 12,
6714   EL_CUSTOM_START + 13,
6715   EL_CUSTOM_START + 14,
6716   EL_CUSTOM_START + 15,
6717
6718   EL_CUSTOM_START + 16,
6719   EL_CUSTOM_START + 17,
6720   EL_CUSTOM_START + 18,
6721   EL_CUSTOM_START + 19,
6722
6723   EL_CUSTOM_START + 20,
6724   EL_CUSTOM_START + 21,
6725   EL_CUSTOM_START + 22,
6726   EL_CUSTOM_START + 23,
6727
6728   EL_CUSTOM_START + 24,
6729   EL_CUSTOM_START + 25,
6730   EL_CUSTOM_START + 26,
6731   EL_CUSTOM_START + 27,
6732
6733   EL_CUSTOM_START + 28,
6734   EL_CUSTOM_START + 29,
6735   EL_CUSTOM_START + 30,
6736   EL_CUSTOM_START + 31,
6737
6738   EL_CUSTOM_START + 32,
6739   EL_CUSTOM_START + 33,
6740   EL_CUSTOM_START + 34,
6741   EL_CUSTOM_START + 35,
6742
6743   EL_CUSTOM_START + 36,
6744   EL_CUSTOM_START + 37,
6745   EL_CUSTOM_START + 38,
6746   EL_CUSTOM_START + 39,
6747
6748   EL_CUSTOM_START + 40,
6749   EL_CUSTOM_START + 41,
6750   EL_CUSTOM_START + 42,
6751   EL_CUSTOM_START + 43,
6752
6753   EL_CUSTOM_START + 44,
6754   EL_CUSTOM_START + 45,
6755   EL_CUSTOM_START + 46,
6756   EL_CUSTOM_START + 47,
6757
6758   EL_CUSTOM_START + 48,
6759   EL_CUSTOM_START + 49,
6760   EL_CUSTOM_START + 50,
6761   EL_CUSTOM_START + 51,
6762
6763   EL_CUSTOM_START + 52,
6764   EL_CUSTOM_START + 53,
6765   EL_CUSTOM_START + 54,
6766   EL_CUSTOM_START + 55,
6767
6768   EL_CUSTOM_START + 56,
6769   EL_CUSTOM_START + 57,
6770   EL_CUSTOM_START + 58,
6771   EL_CUSTOM_START + 59,
6772
6773   EL_CUSTOM_START + 60,
6774   EL_CUSTOM_START + 61,
6775   EL_CUSTOM_START + 62,
6776   EL_CUSTOM_START + 63,
6777
6778   EL_CUSTOM_START + 64,
6779   EL_CUSTOM_START + 65,
6780   EL_CUSTOM_START + 66,
6781   EL_CUSTOM_START + 67,
6782
6783   EL_CUSTOM_START + 68,
6784   EL_CUSTOM_START + 69,
6785   EL_CUSTOM_START + 70,
6786   EL_CUSTOM_START + 71,
6787
6788   EL_CUSTOM_START + 72,
6789   EL_CUSTOM_START + 73,
6790   EL_CUSTOM_START + 74,
6791   EL_CUSTOM_START + 75,
6792
6793   EL_CUSTOM_START + 76,
6794   EL_CUSTOM_START + 77,
6795   EL_CUSTOM_START + 78,
6796   EL_CUSTOM_START + 79,
6797
6798   EL_CUSTOM_START + 80,
6799   EL_CUSTOM_START + 81,
6800   EL_CUSTOM_START + 82,
6801   EL_CUSTOM_START + 83,
6802
6803   EL_CUSTOM_START + 84,
6804   EL_CUSTOM_START + 85,
6805   EL_CUSTOM_START + 86,
6806   EL_CUSTOM_START + 87,
6807
6808   EL_CUSTOM_START + 88,
6809   EL_CUSTOM_START + 89,
6810   EL_CUSTOM_START + 90,
6811   EL_CUSTOM_START + 91,
6812
6813   EL_CUSTOM_START + 92,
6814   EL_CUSTOM_START + 93,
6815   EL_CUSTOM_START + 94,
6816   EL_CUSTOM_START + 95,
6817
6818   EL_CUSTOM_START + 96,
6819   EL_CUSTOM_START + 97,
6820   EL_CUSTOM_START + 98,
6821   EL_CUSTOM_START + 99,
6822
6823   EL_CUSTOM_START + 100,
6824   EL_CUSTOM_START + 101,
6825   EL_CUSTOM_START + 102,
6826   EL_CUSTOM_START + 103,
6827
6828   EL_CUSTOM_START + 104,
6829   EL_CUSTOM_START + 105,
6830   EL_CUSTOM_START + 106,
6831   EL_CUSTOM_START + 107,
6832
6833   EL_CUSTOM_START + 108,
6834   EL_CUSTOM_START + 109,
6835   EL_CUSTOM_START + 110,
6836   EL_CUSTOM_START + 111,
6837
6838   EL_CUSTOM_START + 112,
6839   EL_CUSTOM_START + 113,
6840   EL_CUSTOM_START + 114,
6841   EL_CUSTOM_START + 115,
6842
6843   EL_CUSTOM_START + 116,
6844   EL_CUSTOM_START + 117,
6845   EL_CUSTOM_START + 118,
6846   EL_CUSTOM_START + 119,
6847
6848   EL_CUSTOM_START + 120,
6849   EL_CUSTOM_START + 121,
6850   EL_CUSTOM_START + 122,
6851   EL_CUSTOM_START + 123,
6852
6853   EL_CUSTOM_START + 124,
6854   EL_CUSTOM_START + 125,
6855   EL_CUSTOM_START + 126,
6856   EL_CUSTOM_START + 127,
6857
6858   EL_CUSTOM_START + 128,
6859   EL_CUSTOM_START + 129,
6860   EL_CUSTOM_START + 130,
6861   EL_CUSTOM_START + 131,
6862
6863   EL_CUSTOM_START + 132,
6864   EL_CUSTOM_START + 133,
6865   EL_CUSTOM_START + 134,
6866   EL_CUSTOM_START + 135,
6867
6868   EL_CUSTOM_START + 136,
6869   EL_CUSTOM_START + 137,
6870   EL_CUSTOM_START + 138,
6871   EL_CUSTOM_START + 139,
6872
6873   EL_CUSTOM_START + 140,
6874   EL_CUSTOM_START + 141,
6875   EL_CUSTOM_START + 142,
6876   EL_CUSTOM_START + 143,
6877
6878   EL_CUSTOM_START + 144,
6879   EL_CUSTOM_START + 145,
6880   EL_CUSTOM_START + 146,
6881   EL_CUSTOM_START + 147,
6882
6883   EL_CUSTOM_START + 148,
6884   EL_CUSTOM_START + 149,
6885   EL_CUSTOM_START + 150,
6886   EL_CUSTOM_START + 151,
6887
6888   EL_CUSTOM_START + 152,
6889   EL_CUSTOM_START + 153,
6890   EL_CUSTOM_START + 154,
6891   EL_CUSTOM_START + 155,
6892
6893   EL_CUSTOM_START + 156,
6894   EL_CUSTOM_START + 157,
6895   EL_CUSTOM_START + 158,
6896   EL_CUSTOM_START + 159,
6897
6898   EL_CUSTOM_START + 160,
6899   EL_CUSTOM_START + 161,
6900   EL_CUSTOM_START + 162,
6901   EL_CUSTOM_START + 163,
6902
6903   EL_CUSTOM_START + 164,
6904   EL_CUSTOM_START + 165,
6905   EL_CUSTOM_START + 166,
6906   EL_CUSTOM_START + 167,
6907
6908   EL_CUSTOM_START + 168,
6909   EL_CUSTOM_START + 169,
6910   EL_CUSTOM_START + 170,
6911   EL_CUSTOM_START + 171,
6912
6913   EL_CUSTOM_START + 172,
6914   EL_CUSTOM_START + 173,
6915   EL_CUSTOM_START + 174,
6916   EL_CUSTOM_START + 175,
6917
6918   EL_CUSTOM_START + 176,
6919   EL_CUSTOM_START + 177,
6920   EL_CUSTOM_START + 178,
6921   EL_CUSTOM_START + 179,
6922
6923   EL_CUSTOM_START + 180,
6924   EL_CUSTOM_START + 181,
6925   EL_CUSTOM_START + 182,
6926   EL_CUSTOM_START + 183,
6927
6928   EL_CUSTOM_START + 184,
6929   EL_CUSTOM_START + 185,
6930   EL_CUSTOM_START + 186,
6931   EL_CUSTOM_START + 187,
6932
6933   EL_CUSTOM_START + 188,
6934   EL_CUSTOM_START + 189,
6935   EL_CUSTOM_START + 190,
6936   EL_CUSTOM_START + 191,
6937
6938   EL_CUSTOM_START + 192,
6939   EL_CUSTOM_START + 193,
6940   EL_CUSTOM_START + 194,
6941   EL_CUSTOM_START + 195,
6942
6943   EL_CUSTOM_START + 196,
6944   EL_CUSTOM_START + 197,
6945   EL_CUSTOM_START + 198,
6946   EL_CUSTOM_START + 199,
6947
6948   EL_CUSTOM_START + 200,
6949   EL_CUSTOM_START + 201,
6950   EL_CUSTOM_START + 202,
6951   EL_CUSTOM_START + 203,
6952
6953   EL_CUSTOM_START + 204,
6954   EL_CUSTOM_START + 205,
6955   EL_CUSTOM_START + 206,
6956   EL_CUSTOM_START + 207,
6957
6958   EL_CUSTOM_START + 208,
6959   EL_CUSTOM_START + 209,
6960   EL_CUSTOM_START + 210,
6961   EL_CUSTOM_START + 211,
6962
6963   EL_CUSTOM_START + 212,
6964   EL_CUSTOM_START + 213,
6965   EL_CUSTOM_START + 214,
6966   EL_CUSTOM_START + 215,
6967
6968   EL_CUSTOM_START + 216,
6969   EL_CUSTOM_START + 217,
6970   EL_CUSTOM_START + 218,
6971   EL_CUSTOM_START + 219,
6972
6973   EL_CUSTOM_START + 220,
6974   EL_CUSTOM_START + 221,
6975   EL_CUSTOM_START + 222,
6976   EL_CUSTOM_START + 223,
6977
6978   EL_CUSTOM_START + 224,
6979   EL_CUSTOM_START + 225,
6980   EL_CUSTOM_START + 226,
6981   EL_CUSTOM_START + 227,
6982
6983   EL_CUSTOM_START + 228,
6984   EL_CUSTOM_START + 229,
6985   EL_CUSTOM_START + 230,
6986   EL_CUSTOM_START + 231,
6987
6988   EL_CUSTOM_START + 232,
6989   EL_CUSTOM_START + 233,
6990   EL_CUSTOM_START + 234,
6991   EL_CUSTOM_START + 235,
6992
6993   EL_CUSTOM_START + 236,
6994   EL_CUSTOM_START + 237,
6995   EL_CUSTOM_START + 238,
6996   EL_CUSTOM_START + 239,
6997
6998   EL_CUSTOM_START + 240,
6999   EL_CUSTOM_START + 241,
7000   EL_CUSTOM_START + 242,
7001   EL_CUSTOM_START + 243,
7002
7003   EL_CUSTOM_START + 244,
7004   EL_CUSTOM_START + 245,
7005   EL_CUSTOM_START + 246,
7006   EL_CUSTOM_START + 247,
7007
7008   EL_CUSTOM_START + 248,
7009   EL_CUSTOM_START + 249,
7010   EL_CUSTOM_START + 250,
7011   EL_CUSTOM_START + 251,
7012
7013   EL_CUSTOM_START + 252,
7014   EL_CUSTOM_START + 253,
7015   EL_CUSTOM_START + 254,
7016   EL_CUSTOM_START + 255
7017 };
7018 static int *editor_hl_custom_ptr = editor_hl_custom;
7019 static int *editor_el_custom_ptr = editor_el_custom;
7020 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
7021 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
7022
7023 static int editor_hl_group[] =
7024 {
7025   EL_INTERNAL_CASCADE_GE_ACTIVE,
7026   EL_CHAR('G'),
7027   EL_CHAR('E'),
7028   EL_EMPTY,
7029 };
7030
7031 static int editor_el_group[] =
7032 {
7033   EL_GROUP_START + 0,
7034   EL_GROUP_START + 1,
7035   EL_GROUP_START + 2,
7036   EL_GROUP_START + 3,
7037
7038   EL_GROUP_START + 4,
7039   EL_GROUP_START + 5,
7040   EL_GROUP_START + 6,
7041   EL_GROUP_START + 7,
7042
7043   EL_GROUP_START + 8,
7044   EL_GROUP_START + 9,
7045   EL_GROUP_START + 10,
7046   EL_GROUP_START + 11,
7047
7048   EL_GROUP_START + 12,
7049   EL_GROUP_START + 13,
7050   EL_GROUP_START + 14,
7051   EL_GROUP_START + 15,
7052
7053   EL_GROUP_START + 16,
7054   EL_GROUP_START + 17,
7055   EL_GROUP_START + 18,
7056   EL_GROUP_START + 19,
7057
7058   EL_GROUP_START + 20,
7059   EL_GROUP_START + 21,
7060   EL_GROUP_START + 22,
7061   EL_GROUP_START + 23,
7062
7063   EL_GROUP_START + 24,
7064   EL_GROUP_START + 25,
7065   EL_GROUP_START + 26,
7066   EL_GROUP_START + 27,
7067
7068   EL_GROUP_START + 28,
7069   EL_GROUP_START + 29,
7070   EL_GROUP_START + 30,
7071   EL_GROUP_START + 31
7072 };
7073 static int *editor_hl_group_ptr = editor_hl_group;
7074 static int *editor_el_group_ptr = editor_el_group;
7075 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
7076 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
7077
7078 static int editor_hl_empty_space[] =
7079 {
7080   EL_INTERNAL_CASCADE_ES_ACTIVE,
7081   EL_CHAR('E'),
7082   EL_CHAR('S'),
7083   EL_EMPTY,
7084 };
7085
7086 static int editor_el_empty_space[] =
7087 {
7088   EL_EMPTY_SPACE_1,
7089   EL_EMPTY_SPACE_2,
7090   EL_EMPTY_SPACE_3,
7091   EL_EMPTY_SPACE_4,
7092
7093   EL_EMPTY_SPACE_5,
7094   EL_EMPTY_SPACE_6,
7095   EL_EMPTY_SPACE_7,
7096   EL_EMPTY_SPACE_8,
7097
7098   EL_EMPTY_SPACE_9,
7099   EL_EMPTY_SPACE_10,
7100   EL_EMPTY_SPACE_11,
7101   EL_EMPTY_SPACE_12,
7102
7103   EL_EMPTY_SPACE_13,
7104   EL_EMPTY_SPACE_14,
7105   EL_EMPTY_SPACE_15,
7106   EL_EMPTY_SPACE_16
7107 };
7108 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
7109 static int *editor_el_empty_space_ptr = editor_el_empty_space;
7110 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
7111 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
7112
7113 static int editor_hl_reference[] =
7114 {
7115   EL_INTERNAL_CASCADE_REF_ACTIVE,
7116   EL_CHAR('R'),
7117   EL_CHAR('E'),
7118   EL_CHAR('F')
7119 };
7120
7121 static int editor_el_reference[] =
7122 {
7123   EL_TRIGGER_PLAYER,
7124   EL_TRIGGER_ELEMENT,
7125   EL_TRIGGER_CE_VALUE,
7126   EL_TRIGGER_CE_SCORE,
7127
7128   EL_SELF,
7129   EL_ANY_ELEMENT,
7130   EL_CURRENT_CE_VALUE,
7131   EL_CURRENT_CE_SCORE,
7132
7133   EL_PREV_CE_8,
7134   EL_PREV_CE_7,
7135   EL_PREV_CE_6,
7136   EL_PREV_CE_5,
7137
7138   EL_PREV_CE_4,
7139   EL_PREV_CE_3,
7140   EL_PREV_CE_2,
7141   EL_PREV_CE_1,
7142
7143   EL_NEXT_CE_1,
7144   EL_NEXT_CE_2,
7145   EL_NEXT_CE_3,
7146   EL_NEXT_CE_4,
7147
7148   EL_NEXT_CE_5,
7149   EL_NEXT_CE_6,
7150   EL_NEXT_CE_7,
7151   EL_NEXT_CE_8,
7152 };
7153 static int *editor_hl_reference_ptr = editor_hl_reference;
7154 static int *editor_el_reference_ptr = editor_el_reference;
7155 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
7156 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
7157
7158 static int editor_hl_user_defined[] =
7159 {
7160   EL_INTERNAL_CASCADE_USER_ACTIVE,
7161   EL_CHAR('M'),
7162   EL_CHAR('Y'),
7163   EL_EMPTY,
7164 };
7165
7166 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
7167 static int *editor_el_user_defined_ptr = NULL;
7168 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
7169 static int num_editor_el_user_defined = 0;
7170
7171 static int editor_hl_dynamic[] =
7172 {
7173   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
7174   EL_CHAR('U'),
7175   EL_CHAR('S'),
7176   EL_CHAR('E'),
7177 };
7178
7179 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
7180 static int *editor_el_dynamic_ptr = NULL;
7181 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
7182 static int num_editor_el_dynamic = 0;
7183
7184 static int editor_hl_empty[] = { EL_EMPTY };
7185 static int *editor_el_empty = NULL;     // dynamically allocated
7186
7187 static int *editor_hl_empty_ptr = editor_hl_empty;
7188 static int *editor_el_empty_ptr = NULL;
7189 static int num_editor_hl_empty = 0;
7190 static int num_editor_el_empty = 0;     // dynamically determined, if needed
7191
7192 static boolean use_el_empty = FALSE;
7193
7194 static int *editor_elements = NULL;     // dynamically allocated
7195 static int num_editor_elements = 0;     // dynamically determined
7196
7197 static boolean setup_editor_cascade_never = FALSE;
7198
7199 static boolean setup_editor_el_players                  = TRUE;
7200 static boolean setup_editor_el_boulderdash              = TRUE;
7201 static boolean setup_editor_el_boulderdash_native       = TRUE;
7202 static boolean setup_editor_el_boulderdash_effects      = TRUE;
7203 static boolean setup_editor_el_emerald_mine             = TRUE;
7204 static boolean setup_editor_el_emerald_mine_club        = TRUE;
7205 static boolean setup_editor_el_more                     = TRUE;
7206 static boolean setup_editor_el_sokoban                  = TRUE;
7207 static boolean setup_editor_el_supaplex                 = TRUE;
7208 static boolean setup_editor_el_diamond_caves            = TRUE;
7209 static boolean setup_editor_el_dx_boulderdash           = TRUE;
7210 static boolean setup_editor_el_mirror_magic             = TRUE;
7211 static boolean setup_editor_el_deflektor                = TRUE;
7212 static boolean setup_editor_el_chars                    = TRUE;
7213 static boolean setup_editor_el_steel_chars              = TRUE;
7214 static boolean setup_editor_el_custom                   = TRUE;
7215 static boolean setup_editor_el_user_defined             = TRUE;
7216 static boolean setup_editor_el_dynamic                  = TRUE;
7217
7218 static int editor_hl_unused[] = { EL_EMPTY };
7219 static int *editor_hl_unused_ptr = editor_hl_unused;
7220 static int num_editor_hl_unused = 0;
7221
7222 static struct
7223 {
7224   boolean *setup_value;
7225   boolean *setup_cascade_value;
7226
7227   int **headline_list;
7228   int *headline_list_size;
7229
7230   int **element_list;
7231   int *element_list_size;
7232
7233   boolean last_setup_value;
7234 }
7235 editor_elements_info[] =
7236 {
7237   {
7238     &setup_editor_el_players,
7239     &setup_editor_cascade_never,
7240     &editor_hl_unused_ptr,              &num_editor_hl_unused,
7241     &editor_el_players_ptr,             &num_editor_el_players
7242   },
7243   {
7244     &setup_editor_el_boulderdash,
7245     &setup.editor_cascade.el_bd,
7246     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
7247     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
7248   },
7249   {
7250     &setup_editor_el_boulderdash_native,
7251     &setup.editor_cascade.el_bd_native,
7252     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
7253     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
7254   },
7255   {
7256     &setup_editor_el_boulderdash_effects,
7257     &setup.editor_cascade.el_bd_effects,
7258     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
7259     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
7260   },
7261   {
7262     &setup_editor_el_emerald_mine,
7263     &setup.editor_cascade.el_em,
7264     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
7265     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
7266   },
7267   {
7268     &setup_editor_el_emerald_mine_club,
7269     &setup.editor_cascade.el_emc,
7270     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
7271     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
7272   },
7273   {
7274     &setup_editor_el_more,
7275     &setup.editor_cascade.el_rnd,
7276     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
7277     &editor_el_rnd_ptr,                 &num_editor_el_rnd
7278   },
7279   {
7280     &setup_editor_el_sokoban,
7281     &setup.editor_cascade.el_sb,
7282     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
7283     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
7284   },
7285   {
7286     &setup_editor_el_supaplex,
7287     &setup.editor_cascade.el_sp,
7288     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
7289     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
7290   },
7291   {
7292     &setup_editor_el_diamond_caves,
7293     &setup.editor_cascade.el_dc,
7294     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
7295     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
7296   },
7297   {
7298     &setup_editor_el_dx_boulderdash,
7299     &setup.editor_cascade.el_dx,
7300     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
7301     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
7302   },
7303   {
7304     &setup_editor_el_mirror_magic,
7305     &setup.editor_cascade.el_mm,
7306     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
7307     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
7308   },
7309   {
7310     &setup_editor_el_deflektor,
7311     &setup.editor_cascade.el_df,
7312     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
7313     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
7314   },
7315   {
7316     &setup_editor_el_chars,
7317     &setup.editor_cascade.el_chars,
7318     &editor_hl_chars_ptr,               &num_editor_hl_chars,
7319     &editor_el_chars_ptr,               &num_editor_el_chars
7320   },
7321   {
7322     &setup_editor_el_steel_chars,
7323     &setup.editor_cascade.el_steel_chars,
7324     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
7325     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
7326   },
7327   {
7328     &setup_editor_el_custom,
7329     &setup.editor_cascade.el_ce,
7330     &editor_hl_custom_ptr,              &num_editor_hl_custom,
7331     &editor_el_custom_ptr,              &num_editor_el_custom
7332   },
7333   {
7334     &setup_editor_el_custom,
7335     &setup.editor_cascade.el_ge,
7336     &editor_hl_group_ptr,               &num_editor_hl_group,
7337     &editor_el_group_ptr,               &num_editor_el_group
7338   },
7339   {
7340     &setup_editor_el_custom,
7341     &setup.editor_cascade.el_es,
7342     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
7343     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
7344   },
7345   {
7346     &setup_editor_el_custom,
7347     &setup.editor_cascade.el_ref,
7348     &editor_hl_reference_ptr,           &num_editor_hl_reference,
7349     &editor_el_reference_ptr,           &num_editor_el_reference
7350   },
7351   {
7352     &setup_editor_el_user_defined,
7353     &setup.editor_cascade.el_user,
7354     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
7355     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
7356   },
7357   {
7358     &setup_editor_el_dynamic,
7359     &setup.editor_cascade.el_dynamic,
7360     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
7361     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
7362   },
7363   {
7364     &use_el_empty,
7365     &use_el_empty,
7366     &editor_hl_empty_ptr,               &num_editor_hl_empty,
7367     &editor_el_empty_ptr,               &num_editor_el_empty,
7368   },
7369   {
7370     NULL,
7371     NULL,
7372     NULL,                               NULL,
7373     NULL,                               NULL
7374   }
7375 };
7376
7377 static struct XY xy_directions[] =
7378 {
7379   { -1,  0 },
7380   { +1,  0 },
7381   {  0, -1 },
7382   {  0, +1 }
7383 };
7384
7385
7386 // ----------------------------------------------------------------------------
7387 // functions
7388 // ----------------------------------------------------------------------------
7389
7390 static int getMaxInfoTextLength(void)
7391 {
7392   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
7393 }
7394
7395 static int getTextWidthForGadget(char *text)
7396 {
7397   if (text == NULL)
7398     return 0;
7399
7400   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
7401 }
7402
7403 static int getTextWidthForDrawingArea(char *text)
7404 {
7405   if (text == NULL)
7406     return 0;
7407
7408   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
7409 }
7410
7411 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
7412 {
7413   return (gi->x + gi->width + getTextWidthForGadget(text));
7414 }
7415
7416 static char *getElementInfoText(int element)
7417 {
7418   char *info_text = NULL;
7419
7420   if (element < MAX_NUM_ELEMENTS)
7421   {
7422     if (strlen(element_info[element].description) > 0)
7423       info_text = element_info[element].description;
7424     else if (element_info[element].custom_description != NULL)
7425       info_text = element_info[element].custom_description;
7426     else if (element_info[element].editor_description != NULL)
7427       info_text = element_info[element].editor_description;
7428   }
7429
7430   if (info_text == NULL)
7431     info_text = INFOTEXT_UNKNOWN_ELEMENT;
7432
7433   return info_text;
7434 }
7435
7436 static char *getElementDescriptionFilenameExt(char *basename)
7437 {
7438   char *elements_subdir = ELEMENTS_DIRECTORY;
7439   static char *elements_subdir2 = NULL;
7440   static char *filename = NULL;
7441
7442   if (elements_subdir2 == NULL)
7443     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
7444
7445   checked_free(filename);
7446
7447   // 1st try: look for element description in current level set directory
7448   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
7449   if (fileExists(filename))
7450     return filename;
7451
7452   free(filename);
7453
7454   // 2nd try: look for element description in the game's base directory
7455   filename = getPath3(options.docs_directory, elements_subdir, basename);
7456   if (fileExists(filename))
7457     return filename;
7458
7459   return NULL;
7460 }
7461
7462 static char *getElementDescriptionFilename(int element)
7463 {
7464   char basename[MAX_FILENAME_LEN];
7465   char *filename;
7466
7467   // 1st try: look for element description file for exactly this element
7468   sprintf(basename, "%s.txt", element_info[element].token_name);
7469   filename = getElementDescriptionFilenameExt(basename);
7470   if (filename != NULL)
7471     return filename;
7472
7473   // 2nd try: look for element description file for this element's class
7474   sprintf(basename, "%s.txt", element_info[element].class_name);
7475   filename = getElementDescriptionFilenameExt(basename);
7476   if (filename != NULL)
7477     return filename;
7478
7479   // 3rd try: look for generic fallback text file for any element
7480   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
7481   if (filename != NULL)
7482     return filename;
7483
7484   return NULL;
7485 }
7486
7487 static boolean suppressBorderElement(void)
7488 {
7489   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
7490           lev_fieldx <= MAX_ED_FIELDX &&
7491           lev_fieldy <= MAX_ED_FIELDY);
7492 }
7493
7494 static void InitDynamicEditorElementList(int **elements, int *num_elements)
7495 {
7496   boolean element_found[NUM_FILE_ELEMENTS];
7497   int i, x, y;
7498
7499   // initialize list of used elements to "not used"
7500   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7501     element_found[i] = FALSE;
7502
7503   // find all elements used in current level
7504   for (y = 0; y < lev_fieldy; y++)
7505   {
7506     for (x = 0; x < lev_fieldx; x++)
7507     {
7508       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7509         continue;
7510
7511       if (IS_MM_WALL(Tile[x][y]))
7512         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7513       else
7514         element_found[Tile[x][y]] = TRUE;
7515     }
7516   }
7517
7518   *num_elements = 0;
7519
7520   // count number of elements used in current level
7521   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7522     if (element_found[i])
7523       (*num_elements)++;
7524
7525   // add space for up to 3 more elements for padding that may be needed
7526   *num_elements += 3;
7527
7528   // free memory for old list of elements, if needed
7529   checked_free(*elements);
7530
7531   // allocate memory for new list of elements
7532   *elements = checked_malloc(*num_elements * sizeof(int));
7533
7534   *num_elements = 0;
7535
7536   // add all elements used in current level (non-custom/group/empty elements)
7537   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7538     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7539                               IS_GROUP_ELEMENT(i) ||
7540                               IS_EMPTY_ELEMENT(i)))
7541       (*elements)[(*num_elements)++] = i;
7542
7543   // add all elements used in current level (custom/group/empty elements)
7544   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7545     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7546                              IS_GROUP_ELEMENT(i) ||
7547                              IS_EMPTY_ELEMENT(i)))
7548       (*elements)[(*num_elements)++] = i;
7549
7550   while (*num_elements % 4)     // pad with empty elements, if needed
7551     (*elements)[(*num_elements)++] = EL_EMPTY;
7552 }
7553
7554 static void ReinitializeElementList_EnableSections(void)
7555 {
7556   // default: enable all element sections
7557
7558   setup_editor_el_players               = TRUE;
7559   setup_editor_el_boulderdash           = TRUE;
7560   setup_editor_el_boulderdash_native    = TRUE;
7561   setup_editor_el_boulderdash_effects   = TRUE;
7562   setup_editor_el_emerald_mine          = TRUE;
7563   setup_editor_el_emerald_mine_club     = TRUE;
7564   setup_editor_el_more                  = TRUE;
7565   setup_editor_el_sokoban               = TRUE;
7566   setup_editor_el_supaplex              = TRUE;
7567   setup_editor_el_diamond_caves         = TRUE;
7568   setup_editor_el_dx_boulderdash        = TRUE;
7569   setup_editor_el_mirror_magic          = TRUE;
7570   setup_editor_el_deflektor             = TRUE;
7571   setup_editor_el_chars                 = TRUE;
7572   setup_editor_el_steel_chars           = TRUE;
7573
7574   setup_editor_el_custom                = TRUE;
7575   setup_editor_el_user_defined          = TRUE;
7576   setup_editor_el_dynamic               = TRUE;
7577
7578   // now disable all element sections not to be displayed
7579
7580   if (!setup.editor.el_classic)
7581   {
7582     setup_editor_el_players             = FALSE;
7583     setup_editor_el_boulderdash         = FALSE;
7584     setup_editor_el_boulderdash_native  = FALSE;
7585     setup_editor_el_boulderdash_effects = FALSE;
7586     setup_editor_el_emerald_mine        = FALSE;
7587     setup_editor_el_emerald_mine_club   = FALSE;
7588     setup_editor_el_more                = FALSE;
7589     setup_editor_el_sokoban             = FALSE;
7590     setup_editor_el_supaplex            = FALSE;
7591     setup_editor_el_diamond_caves       = FALSE;
7592     setup_editor_el_dx_boulderdash      = FALSE;
7593     setup_editor_el_mirror_magic        = FALSE;
7594     setup_editor_el_deflektor           = FALSE;
7595     setup_editor_el_chars               = FALSE;
7596     setup_editor_el_steel_chars         = FALSE;
7597   }
7598
7599   if (!setup.editor.el_custom)
7600   {
7601     setup_editor_el_custom              = FALSE;
7602   }
7603
7604   if (!setup.editor.el_user_defined)
7605   {
7606     setup_editor_el_user_defined        = FALSE;
7607   }
7608
7609   if (!setup.editor.el_dynamic)
7610   {
7611     setup_editor_el_dynamic             = FALSE;
7612   }
7613
7614   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7615   {
7616     setup_editor_el_boulderdash_native  = FALSE;
7617     setup_editor_el_boulderdash_effects = FALSE;
7618     setup_editor_el_mirror_magic        = FALSE;
7619     setup_editor_el_deflektor           = FALSE;
7620   }
7621   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7622   {
7623     setup_editor_el_players             = FALSE;
7624     setup_editor_el_boulderdash         = FALSE;
7625     setup_editor_el_emerald_mine        = FALSE;
7626     setup_editor_el_emerald_mine_club   = FALSE;
7627     setup_editor_el_more                = FALSE;
7628     setup_editor_el_sokoban             = FALSE;
7629     setup_editor_el_supaplex            = FALSE;
7630     setup_editor_el_diamond_caves       = FALSE;
7631     setup_editor_el_dx_boulderdash      = FALSE;
7632     setup_editor_el_mirror_magic        = FALSE;
7633     setup_editor_el_deflektor           = FALSE;
7634     setup_editor_el_chars               = FALSE;
7635     setup_editor_el_steel_chars         = FALSE;
7636
7637     setup_editor_el_custom              = FALSE;
7638   }
7639   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7640   {
7641     setup_editor_el_boulderdash         = FALSE;
7642     setup_editor_el_boulderdash_native  = FALSE;
7643     setup_editor_el_boulderdash_effects = FALSE;
7644     setup_editor_el_more                = FALSE;
7645     setup_editor_el_sokoban             = FALSE;
7646     setup_editor_el_supaplex            = FALSE;
7647     setup_editor_el_diamond_caves       = FALSE;
7648     setup_editor_el_dx_boulderdash      = FALSE;
7649     setup_editor_el_mirror_magic        = FALSE;
7650     setup_editor_el_deflektor           = FALSE;
7651     setup_editor_el_steel_chars         = FALSE;
7652
7653     setup_editor_el_custom              = FALSE;
7654   }
7655   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7656   {
7657     setup_editor_el_players             = FALSE;
7658     setup_editor_el_boulderdash         = FALSE;
7659     setup_editor_el_boulderdash_native  = FALSE;
7660     setup_editor_el_boulderdash_effects = FALSE;
7661     setup_editor_el_emerald_mine        = FALSE;
7662     setup_editor_el_emerald_mine_club   = FALSE;
7663     setup_editor_el_more                = FALSE;
7664     setup_editor_el_sokoban             = FALSE;
7665     setup_editor_el_diamond_caves       = FALSE;
7666     setup_editor_el_dx_boulderdash      = FALSE;
7667     setup_editor_el_mirror_magic        = FALSE;
7668     setup_editor_el_deflektor           = FALSE;
7669     setup_editor_el_chars               = FALSE;
7670     setup_editor_el_steel_chars         = FALSE;
7671
7672     setup_editor_el_custom              = FALSE;
7673   }
7674   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7675   {
7676     setup_editor_el_players             = FALSE;
7677     setup_editor_el_boulderdash         = FALSE;
7678     setup_editor_el_boulderdash_native  = FALSE;
7679     setup_editor_el_boulderdash_effects = FALSE;
7680     setup_editor_el_emerald_mine        = FALSE;
7681     setup_editor_el_emerald_mine_club   = FALSE;
7682     setup_editor_el_more                = FALSE;
7683     setup_editor_el_sokoban             = FALSE;
7684     setup_editor_el_supaplex            = FALSE;
7685     setup_editor_el_diamond_caves       = FALSE;
7686     setup_editor_el_dx_boulderdash      = FALSE;
7687     setup_editor_el_steel_chars         = FALSE;
7688
7689     setup_editor_el_custom              = FALSE;
7690   }
7691 }
7692
7693 static void ReinitializeElementList(void)
7694 {
7695   static boolean initialization_needed = TRUE;
7696   int pos = 0;
7697   int i, j;
7698
7699   ReinitializeElementList_EnableSections();
7700
7701   if (initialization_needed)
7702   {
7703     LoadSetup_EditorCascade();          // load last editor cascade state
7704
7705     // initialize editor cascade element from saved cascade state
7706     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7707     {
7708       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7709       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7710
7711       if (IS_EDITOR_CASCADE(*cascade_element))
7712         *cascade_element =
7713           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7714            EL_CASCADE_INACTIVE(*cascade_element));
7715     }
7716
7717     initialization_needed = FALSE;
7718   }
7719
7720   checked_free(editor_elements);
7721
7722   // reload optional user defined element list for each invocation of editor
7723   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7724                                    &num_editor_el_user_defined);
7725
7726   // initialize dynamic level element list for each invocation of editor
7727   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7728                                &num_editor_el_dynamic);
7729
7730   // initialize list of empty elements (used for padding, if needed)
7731   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7732     editor_el_empty[i] = EL_EMPTY;
7733
7734   // do some sanity checks for each element from element list
7735   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7736   {
7737     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7738     {
7739       int element = (*editor_elements_info[i].element_list)[j];
7740
7741       if (element >= NUM_FILE_ELEMENTS)
7742         Warn("editor element %d is runtime element", element);
7743
7744       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7745         Warn("no element description text for element %d", element);
7746     }
7747   }
7748
7749   num_editor_elements = 0;
7750   use_el_empty = FALSE;
7751
7752   // determine size of element list
7753   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7754   {
7755     if (*editor_elements_info[i].setup_value)
7756     {
7757       boolean found_inactive_cascade = FALSE;
7758
7759       if (setup.editor.el_headlines)
7760       {
7761         // required for correct padding of palette headline buttons
7762         if (*editor_elements_info[i].headline_list_size > 0)
7763           num_editor_elements += ED_ELEMENTLIST_COLS;
7764
7765         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7766         {
7767           int element = (*editor_elements_info[i].headline_list)[j];
7768
7769           if (IS_EDITOR_CASCADE_INACTIVE(element))
7770             found_inactive_cascade = TRUE;
7771         }
7772       }
7773
7774       if (found_inactive_cascade)
7775         continue;
7776
7777       // required for correct padding of palette element buttons
7778       int element_list_size = *editor_elements_info[i].element_list_size;
7779       int element_rows =
7780         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7781       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7782
7783       num_editor_elements += element_buttons;
7784     }
7785   }
7786
7787   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7788   {
7789     // offer at least as many elements as element buttons exist
7790     use_el_empty = TRUE;
7791     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7792
7793     num_editor_elements += num_editor_el_empty;
7794   }
7795   else
7796   {
7797     num_editor_el_empty = 0;
7798   }
7799
7800   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7801
7802   // fill element list
7803   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7804   {
7805     boolean found_inactive_cascade = FALSE;
7806
7807     if (*editor_elements_info[i].setup_value)
7808     {
7809       if (setup.editor.el_headlines)
7810       {
7811         // required for correct padding of palette headline buttons
7812         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7813                              ED_ELEMENTLIST_COLS : 0);
7814
7815         for (j = 0; j < headline_size; j++)
7816         {
7817           // use empty elements for padding of palette headline buttons
7818           int element = (j < *editor_elements_info[i].headline_list_size ?
7819                          (*editor_elements_info[i].headline_list)[j] :
7820                          editor_el_empty[0]);
7821
7822           editor_elements[pos++] = element;
7823
7824           if (IS_EDITOR_CASCADE_INACTIVE(element))
7825             found_inactive_cascade = TRUE;
7826         }
7827       }
7828
7829       if (found_inactive_cascade)
7830         continue;
7831
7832       // required for correct padding of palette element buttons
7833       int element_list_size = *editor_elements_info[i].element_list_size;
7834       int element_rows =
7835         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7836       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7837
7838       // copy all elements from element list
7839       for (j = 0; j < element_list_size; j++)
7840         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7841
7842       // use empty elements for padding of palette element buttons
7843       for (j = 0; j < element_buttons - element_list_size; j++)
7844         editor_elements[pos++] = editor_el_empty[0];
7845     }
7846   }
7847
7848   // (this function is also called before editor gadgets are initialized!)
7849   AdjustElementListScrollbar();
7850 }
7851
7852 void PrintEditorElementList(void)
7853 {
7854   boolean *stop = &setup_editor_el_user_defined;
7855   int i, j;
7856
7857   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7858   {
7859     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7860
7861     if (IS_EDITOR_CASCADE(cascade_element))
7862     {
7863       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7864       char *headline = element_info[cascade_element_show].editor_description;
7865
7866       PrintLineWithPrefix("# ", "-", 77);
7867       Print("# %s\n", headline);
7868       PrintLineWithPrefix("# ", "-", 77);
7869     }
7870
7871     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7872     {
7873       int element = (*editor_elements_info[i].headline_list)[j];
7874
7875       if (IS_EDITOR_CASCADE(element))
7876         element = EL_CHAR_MINUS;
7877
7878       Print("# %s\n", element_info[element].token_name);
7879     }
7880
7881     if (j > 0)
7882       Print("#\n");
7883
7884     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7885     {
7886       int element = (*editor_elements_info[i].element_list)[j];
7887
7888       Print("# %s\n", element_info[element].token_name);
7889     }
7890
7891     if (j > 0)
7892       Print("#\n");
7893   }
7894 }
7895
7896 static void ReinitializeElementListButtons(void)
7897 {
7898   static boolean last_setup_value_headlines = FALSE;
7899   static boolean initialization_needed = TRUE;
7900   int i;
7901
7902   if (!initialization_needed)   // check if editor element setup has changed
7903   {
7904     if (last_setup_value_headlines != setup.editor.el_headlines)
7905       initialization_needed = TRUE;
7906
7907     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7908       if (editor_elements_info[i].last_setup_value !=
7909           *editor_elements_info[i].setup_value)
7910         initialization_needed = TRUE;
7911   }
7912
7913   if (!initialization_needed)
7914     return;
7915
7916   FreeLevelEditorGadgets();
7917   CreateLevelEditorGadgets();
7918
7919   // store current setup values for next invocation of this function
7920   last_setup_value_headlines = setup.editor.el_headlines;
7921   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7922     editor_elements_info[i].last_setup_value =
7923       *editor_elements_info[i].setup_value;
7924
7925   initialization_needed = FALSE;
7926 }
7927
7928 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7929                               boolean input)
7930 {
7931   int border_graphic =
7932     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7933   struct GraphicInfo *g = &graphic_info[border_graphic];
7934   Bitmap *src_bitmap = g->bitmap;
7935   int src_x = g->src_x;
7936   int src_y = g->src_y;
7937   int border_size = g->border_size;
7938   int border_xpos = g->width  - border_size;
7939   int border_ypos = g->height - border_size;
7940   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7941   int i;
7942
7943   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7944              border_size, border_size,
7945              dest_x - border_size, dest_y - border_size);
7946   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7947              border_size, border_size,
7948              dest_x + width, dest_y - border_size);
7949   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7950              border_size, border_size,
7951              dest_x - border_size, dest_y + height);
7952   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7953              border_size, border_size,
7954              dest_x + width, dest_y + height);
7955
7956   for (i = 0; i < width / tilesize; i++)
7957   {
7958     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7959                tilesize, border_size,
7960                dest_x + i * tilesize, dest_y - border_size);
7961     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7962                tilesize, border_size,
7963                dest_x + i * tilesize, dest_y + height);
7964   }
7965
7966   for (i = 0; i < height / tilesize; i++)
7967   {
7968     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7969                border_size, tilesize,
7970                dest_x - border_size, dest_y + i * tilesize);
7971     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7972                border_size, tilesize,
7973                dest_x + width, dest_y + i * tilesize);
7974   }
7975
7976   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7977 }
7978
7979 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7980 {
7981   int xsize_tile = MAX(ed_tilesize, xsize);
7982   int ysize_tile = MAX(ed_tilesize, ysize);
7983   int xsize_full = xsize + 1;
7984   int ysize_full = ysize + 1;
7985   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7986   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7987   Pixel line_color = getTabulatorBarColor();
7988
7989   if (line_color == BLACK_PIXEL)                // black => transparent
7990     return;
7991
7992   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7993   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7994   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7995 }
7996
7997 static void DrawEditorLevelBorderLinesIfNeeded(void)
7998 {
7999   int xsize = lev_fieldx * ed_tilesize;
8000   int ysize = lev_fieldy * ed_tilesize;
8001   int line_size = getTabulatorBarHeight();
8002
8003   if (!suppressBorderElement())
8004     return;
8005
8006   // draw little border line around editable level playfield
8007
8008   if (xsize < SXSIZE)
8009     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
8010
8011   if (ysize < SYSIZE)
8012     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
8013
8014   if (xsize < SXSIZE && ysize < SYSIZE)
8015     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
8016 }
8017
8018 static void DrawEditorElement(int x, int y, int element)
8019 {
8020   DrawSizedElement(x, y, element, ed_tilesize);
8021 }
8022
8023 static void DrawEditorElementThruMask(int x, int y, int element)
8024 {
8025   DrawSizedElementThruMask(x, y, element, ed_tilesize);
8026 }
8027
8028 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
8029 {
8030   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
8031 }
8032
8033 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
8034 {
8035   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
8036   DrawEditorLevelBorderLinesIfNeeded();
8037 }
8038
8039 static void DrawDrawingArea(int id)
8040 {
8041   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8042   int x, y;
8043
8044   int *value = drawingarea_info[id].value;
8045   int area_xsize = drawingarea_info[id].area_xsize;
8046   int area_ysize = drawingarea_info[id].area_ysize;
8047   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8048
8049   for (x = 0; x < area_xsize; x++)
8050   {
8051     for (y = 0; y < area_ysize; y++)
8052     {
8053       int element = value[x * area_ysize + y];
8054       int graphic;
8055       int frame;
8056
8057       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
8058
8059       DrawSizedGraphicExt(drawto,
8060                           gi->x + x * tilesize,
8061                           gi->y + y * tilesize,
8062                           graphic, frame, tilesize);
8063     }
8064   }
8065 }
8066
8067 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
8068 {
8069   int x, y;
8070   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
8071   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
8072
8073   BlitBitmap(drawto, drawto,
8074              SX + (dx == -1 ? ed_tilesize : 0),
8075              SY + (dy == -1 ? ed_tilesize : 0),
8076              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
8077              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
8078              SX + (dx == +1 ? ed_tilesize : 0),
8079              SY + (dy == +1 ? ed_tilesize : 0));
8080
8081   if (dx)
8082   {
8083     x = (dx == 1 ? 0 : ed_fieldx - 1);
8084     for (y = 0; y < ed_fieldy; y++)
8085       DrawEditorElementOrWall(x, y, from_x, from_y);
8086   }
8087   else if (dy)
8088   {
8089     y = (dy == 1 ? 0 : ed_fieldy - 1);
8090     for (x = 0; x < ed_fieldx; x++)
8091       DrawEditorElementOrWall(x, y, from_x, from_y);
8092   }
8093
8094   redraw_mask |= REDRAW_FIELD;
8095   BackToFront();
8096 }
8097
8098 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
8099 {
8100   if (use_editor_gfx)
8101   {
8102     *graphic = el2edimg(element);
8103     *frame = 0;
8104   }
8105   else
8106   {
8107     *graphic = el2img(element);
8108     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
8109               custom_element.ce_value_fixed_initial :
8110               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
8111               custom_element.collect_score_initial : FrameCounter);
8112   }
8113
8114   if (*graphic == IMG_UNKNOWN)
8115   {
8116     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
8117     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
8118     int element_bd = map_element_RND_to_BD_cave(element);
8119
8120     if (element_bd != O_UNKNOWN)
8121     {
8122       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
8123
8124       *graphic = g_bd->graphic;
8125       *frame   = g_bd->frame;
8126     }
8127   }
8128 }
8129
8130 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
8131                                    int *x, int *y)
8132 {
8133   int graphic;
8134   int frame;
8135
8136   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
8137
8138   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
8139 }
8140
8141 static void CreateControlButtons(void)
8142 {
8143   struct GadgetInfo *gi;
8144   int i;
8145
8146   // create toolbox buttons
8147   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8148   {
8149     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
8150     int id = controlbutton_info[i].gadget_id;
8151     int type = controlbutton_info[i].gadget_type;
8152     int graphic = controlbutton_info[i].graphic;
8153     struct XYTileSize *pos = controlbutton_info[i].pos;
8154     struct GraphicInfo *gd = &graphic_info[graphic];
8155     Bitmap *deco_bitmap = NULL;
8156     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
8157     int tile_size = 0, deco_shift = 0;
8158     boolean deco_masked = FALSE;
8159     int gd_x1 = gd->src_x;
8160     int gd_y1 = gd->src_y;
8161     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8162     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8163     int gd_x1a = gd->src_x + gd->active_xoffset;
8164     int gd_y1a = gd->src_y + gd->active_yoffset;
8165     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8166     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8167     int x = pos->x;
8168     int y = pos->y;
8169     unsigned int event_mask;
8170     int radio_button_nr = RADIO_NR_NONE;
8171     boolean checked = FALSE;
8172
8173     if (type_id != i)
8174       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
8175
8176     if (type == GD_TYPE_RADIO_BUTTON)
8177     {
8178       event_mask = GD_EVENT_PRESSED;
8179       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
8180
8181       if (id == drawing_function)
8182         checked = TRUE;
8183     }
8184     else
8185     {
8186       if (id == GADGET_ID_WRAP_LEFT ||
8187           id == GADGET_ID_WRAP_RIGHT ||
8188           id == GADGET_ID_WRAP_UP ||
8189           id == GADGET_ID_WRAP_DOWN)
8190         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8191       else
8192         event_mask = GD_EVENT_RELEASED;
8193     }
8194
8195     if (id == GADGET_ID_PROPERTIES ||
8196         id == GADGET_ID_PALETTE)
8197     {
8198       x += DX;
8199       y += DY;
8200     }
8201     else if (id == GADGET_ID_ELEMENT_LEFT ||
8202              id == GADGET_ID_ELEMENT_MIDDLE ||
8203              id == GADGET_ID_ELEMENT_RIGHT)
8204     {
8205       x += DX;
8206       y += DY;
8207
8208       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
8209                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
8210                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
8211
8212       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
8213                                    editor.button.element_left.tile_size :
8214                                    id == GADGET_ID_ELEMENT_MIDDLE ?
8215                                    editor.button.element_middle.tile_size :
8216                                    id == GADGET_ID_ELEMENT_RIGHT ?
8217                                    editor.button.element_right.tile_size : 0);
8218
8219       // make sure that decoration does not overlap gadget border
8220       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
8221
8222       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
8223
8224       deco_xpos = (gd->width  - tile_size) / 2;
8225       deco_ypos = (gd->height - tile_size) / 2;
8226       deco_shift = 1;
8227       deco_masked = gd->draw_masked;
8228     }
8229     else
8230     {
8231       x += EX;
8232       y += EY;
8233     }
8234
8235     gi = CreateGadget(GDI_CUSTOM_ID, id,
8236                       GDI_CUSTOM_TYPE_ID, type_id,
8237                       GDI_IMAGE_ID, graphic,
8238                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
8239                       GDI_X, x,
8240                       GDI_Y, y,
8241                       GDI_WIDTH, gd->width,
8242                       GDI_HEIGHT, gd->height,
8243                       GDI_TYPE, type,
8244                       GDI_STATE, GD_BUTTON_UNPRESSED,
8245                       GDI_RADIO_NR, radio_button_nr,
8246                       GDI_CHECKED, checked,
8247                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8248                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8249                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8250                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8251                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8252                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8253                       GDI_DECORATION_SIZE, tile_size, tile_size,
8254                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
8255                       GDI_DECORATION_MASKED, deco_masked,
8256                       GDI_EVENT_MASK, event_mask,
8257                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8258                       GDI_CALLBACK_ACTION, HandleControlButtons,
8259                       GDI_END);
8260
8261     if (gi == NULL)
8262       Fail("cannot create gadget");
8263
8264     level_editor_gadget[id] = gi;
8265   }
8266
8267   // these values are not constant, but can change at runtime
8268   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
8269   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
8270   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
8271   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
8272   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
8273   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
8274   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
8275   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
8276   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
8277   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
8278   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
8279   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
8280
8281   // create buttons for scrolling of drawing area and element list
8282   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
8283   {
8284     int id = scrollbutton_info[i].gadget_id;
8285     int type_id = scrollbutton_info[i].gadget_type_id;
8286     int graphic = scrollbutton_info[i].graphic;
8287     struct GraphicInfo *gd = &graphic_info[graphic];
8288     Bitmap *gd_bitmap = gd->bitmap;
8289     int gd_x1 = gd->src_x;
8290     int gd_y1 = gd->src_y;
8291     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8292     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8293     int width  = gd->width;
8294     int height = gd->height;
8295     int x = scrollbutton_pos[i].x;
8296     int y = scrollbutton_pos[i].y;
8297     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8298
8299     if (type_id != i)
8300       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
8301
8302     if (id == GADGET_ID_SCROLL_LIST_UP ||
8303         id == GADGET_ID_SCROLL_LIST_DOWN)
8304     {
8305       x += PX;
8306       y += PY;
8307     }
8308     else
8309     {
8310       x += SX;
8311       y += SY;
8312     }
8313
8314     gi = CreateGadget(GDI_CUSTOM_ID, id,
8315                       GDI_CUSTOM_TYPE_ID, type_id,
8316                       GDI_IMAGE_ID, graphic,
8317                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8318                       GDI_X, x,
8319                       GDI_Y, y,
8320                       GDI_WIDTH, width,
8321                       GDI_HEIGHT, height,
8322                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8323                       GDI_STATE, GD_BUTTON_UNPRESSED,
8324                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8325                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8326                       GDI_EVENT_MASK, event_mask,
8327                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8328                       GDI_CALLBACK_ACTION, HandleControlButtons,
8329                       GDI_END);
8330
8331     if (gi == NULL)
8332       Fail("cannot create gadget");
8333
8334     level_editor_gadget[id] = gi;
8335   }
8336
8337   // create buttons for element list
8338   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8339   {
8340     int type_id = i;
8341     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
8342     int graphic = IMG_EDITOR_PALETTE_BUTTON;
8343     struct GraphicInfo *gd = &graphic_info[graphic];
8344     Bitmap *gd_bitmap = gd->bitmap;
8345     Bitmap *deco_bitmap;
8346     int deco_x, deco_y, deco_xpos, deco_ypos;
8347     int gd_x1 = gd->src_x;
8348     int gd_y1 = gd->src_y;
8349     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8350     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8351     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
8352     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
8353     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
8354     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
8355     int element = editor_elements[i];
8356     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8357     unsigned int event_mask = GD_EVENT_RELEASED;
8358
8359     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8360
8361     deco_xpos = (gd->width  - tile_size) / 2;
8362     deco_ypos = (gd->height - tile_size) / 2;
8363
8364     gi = CreateGadget(GDI_CUSTOM_ID, id,
8365                       GDI_CUSTOM_TYPE_ID, type_id,
8366                       GDI_IMAGE_ID, graphic,
8367                       GDI_INFO_TEXT, getElementInfoText(element),
8368                       GDI_X, x,
8369                       GDI_Y, y,
8370                       GDI_WIDTH, gd->width,
8371                       GDI_HEIGHT, gd->height,
8372                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8373                       GDI_STATE, GD_BUTTON_UNPRESSED,
8374                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8375                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8376                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8377                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8378                       GDI_DECORATION_SIZE, tile_size, tile_size,
8379                       GDI_DECORATION_SHIFTING, 1, 1,
8380                       GDI_EVENT_MASK, event_mask,
8381                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8382                       GDI_CALLBACK_ACTION, HandleControlButtons,
8383                       GDI_END);
8384
8385     if (gi == NULL)
8386       Fail("cannot create gadget");
8387
8388     level_editor_gadget[id] = gi;
8389   }
8390 }
8391
8392 static void CreateCounterButtons(void)
8393 {
8394   int max_infotext_len = getMaxInfoTextLength();
8395   int i;
8396
8397   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
8398   {
8399     int type_id = counterbutton_info[i].gadget_type_id;
8400     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
8401     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
8402     int j;
8403
8404     if (type_id != i)
8405       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
8406
8407     // determine horizontal position to the right of specified gadget
8408     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8409       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
8410            ED_GADGET_TEXT_DISTANCE);
8411
8412     // determine horizontal offset for leading text
8413     if (counterbutton_info[i].text_left != NULL)
8414       x += getTextWidthForGadget(counterbutton_info[i].text_left);
8415
8416     for (j = 0; j < 2; j++)
8417     {
8418       struct GadgetInfo *gi;
8419       int id = (j == 0 ?
8420                 counterbutton_info[i].gadget_id_down :
8421                 counterbutton_info[i].gadget_id_up);
8422       int graphic;
8423       struct GraphicInfo *gd;
8424       int gd_x1, gd_x2, gd_y1, gd_y2;
8425       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8426       char infotext[max_infotext_len + 1];
8427
8428       if (i == ED_COUNTER_ID_SELECT_LEVEL)
8429       {
8430         graphic = (j == 0 ?
8431                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
8432                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
8433
8434         event_mask |= GD_EVENT_RELEASED;
8435
8436         if (j == 0)
8437         {
8438           x = DX + editor.button.prev_level.x;
8439           y = DY + editor.button.prev_level.y;
8440         }
8441         else
8442         {
8443           x = DX + editor.button.next_level.x;
8444           y = DY + editor.button.next_level.y;
8445         }
8446       }
8447       else
8448       {
8449         graphic = (j == 0 ?
8450                    IMG_EDITOR_COUNTER_DOWN :
8451                    IMG_EDITOR_COUNTER_UP);
8452       }
8453
8454       gd = &graphic_info[graphic];
8455
8456       gd_x1 = gd->src_x;
8457       gd_y1 = gd->src_y;
8458       gd_x2 = gd->src_x + gd->pressed_xoffset;
8459       gd_y2 = gd->src_y + gd->pressed_yoffset;
8460
8461       sprintf(infotext, "%s counter value by 1, 5 or 10",
8462               (j == 0 ? "Decrease" : "Increase"));
8463
8464       gi = CreateGadget(GDI_CUSTOM_ID, id,
8465                         GDI_CUSTOM_TYPE_ID, type_id,
8466                         GDI_IMAGE_ID, graphic,
8467                         GDI_INFO_TEXT, infotext,
8468                         GDI_X, x,
8469                         GDI_Y, y,
8470                         GDI_WIDTH, gd->width,
8471                         GDI_HEIGHT, gd->height,
8472                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8473                         GDI_STATE, GD_BUTTON_UNPRESSED,
8474                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8475                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8476                         GDI_EVENT_MASK, event_mask,
8477                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8478                         GDI_CALLBACK_ACTION, HandleCounterButtons,
8479                         GDI_END);
8480
8481       if (gi == NULL)
8482         Fail("cannot create gadget");
8483
8484       level_editor_gadget[id] = gi;
8485       right_gadget_border[id] =
8486         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8487
8488       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
8489
8490       if (j == 0)
8491       {
8492         int font_type = FONT_INPUT_1;
8493         int font_type_active = FONT_INPUT_1_ACTIVE;
8494
8495         id = counterbutton_info[i].gadget_id_text;
8496
8497         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8498
8499         if (i == ED_COUNTER_ID_SELECT_LEVEL)
8500         {
8501           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
8502
8503           font_type = FONT_LEVEL_NUMBER;
8504           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8505
8506           x = DX + editor.input.level_number.x;
8507           y = DY + editor.input.level_number.y;
8508         }
8509         else
8510         {
8511           graphic = IMG_EDITOR_COUNTER_INPUT;
8512         }
8513
8514         gd = &graphic_info[graphic];
8515
8516         gd_x1 = gd->src_x;
8517         gd_y1 = gd->src_y;
8518         gd_x2 = gd->src_x + gd->active_xoffset;
8519         gd_y2 = gd->src_y + gd->active_yoffset;
8520
8521         gi = CreateGadget(GDI_CUSTOM_ID, id,
8522                           GDI_CUSTOM_TYPE_ID, type_id,
8523                           GDI_IMAGE_ID, graphic,
8524                           GDI_INFO_TEXT, "Enter counter value",
8525                           GDI_X, x,
8526                           GDI_Y, y,
8527                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8528                           GDI_NUMBER_VALUE, 0,
8529                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8530                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8531                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8532                           GDI_TEXT_FONT, font_type,
8533                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8534                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8535                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8536                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8537                           GDI_DESIGN_WIDTH, gd->width,
8538                           GDI_EVENT_MASK, event_mask,
8539                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8540                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8541                           GDI_END);
8542
8543         if (gi == NULL)
8544           Fail("cannot create gadget");
8545
8546         level_editor_gadget[id] = gi;
8547         right_gadget_border[id] =
8548           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8549
8550         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8551       }
8552     }
8553   }
8554 }
8555
8556 static void CreateDrawingAreas(void)
8557 {
8558   int i;
8559
8560   // these values are not constant, but can change at runtime
8561   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8562   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8563
8564   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8565   {
8566     struct GadgetInfo *gi;
8567     int id = drawingarea_info[i].gadget_id;
8568     int type_id = drawingarea_info[i].gadget_type_id;
8569     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8570     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8571     int area_xsize = drawingarea_info[i].area_xsize;
8572     int area_ysize = drawingarea_info[i].area_ysize;
8573     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8574                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8575     unsigned int event_mask =
8576       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8577       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8578
8579     if (type_id != i)
8580       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8581
8582     // determine horizontal position to the right of specified gadget
8583     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8584       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8585            ED_DRAWINGAREA_TEXT_DISTANCE);
8586
8587     // determine horizontal offset for leading text
8588     if (drawingarea_info[i].text_left != NULL)
8589       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8590
8591     gi = CreateGadget(GDI_CUSTOM_ID, id,
8592                       GDI_CUSTOM_TYPE_ID, type_id,
8593                       GDI_X, x,
8594                       GDI_Y, y,
8595                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8596                       GDI_AREA_SIZE, area_xsize, area_ysize,
8597                       GDI_ITEM_SIZE, item_size, item_size,
8598                       GDI_EVENT_MASK, event_mask,
8599                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8600                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8601                       GDI_END);
8602
8603     if (gi == NULL)
8604       Fail("cannot create gadget");
8605
8606     level_editor_gadget[id] = gi;
8607     right_gadget_border[id] =
8608       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8609   }
8610 }
8611
8612 static void CreateTextInputGadgets(void)
8613 {
8614   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8615   int max_infotext_len = getMaxInfoTextLength();
8616   int i;
8617
8618   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8619   {
8620     int gd_x1 = gd->src_x;
8621     int gd_y1 = gd->src_y;
8622     int gd_x2 = gd->src_x + gd->active_xoffset;
8623     int gd_y2 = gd->src_y + gd->active_yoffset;
8624     struct GadgetInfo *gi;
8625     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8626     char infotext[MAX_OUTPUT_LINESIZE + 1];
8627     int id = textinput_info[i].gadget_id;
8628     int type_id = textinput_info[i].gadget_type_id;
8629     int x, y;
8630
8631     if (type_id != i)
8632       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8633
8634     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8635     {
8636       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8637       int border_size = gd->border_size;
8638       int font_nr = FONT_INPUT_1;
8639       int font_height = getFontHeight(font_nr);
8640       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8641       int yoffset = element_border + (TILEY - font_height) / 2;
8642
8643       x = (editor.settings.element_name.x != -1 ?
8644            editor.settings.element_name.x :
8645            editor.settings.element_graphic.x + xoffset) - border_size;
8646       y = (editor.settings.element_name.y != -1 ?
8647            editor.settings.element_name.y :
8648            editor.settings.element_graphic.y + yoffset) - border_size;
8649     }
8650     else
8651     {
8652       x = ED_SETTINGS_X(textinput_info[i].x);
8653       y = ED_SETTINGS_Y(textinput_info[i].y);
8654     }
8655
8656     // determine horizontal offset for leading text
8657     if (textinput_info[i].text_left != NULL)
8658       x += getTextWidthForGadget(textinput_info[i].text_left);
8659
8660     sprintf(infotext, "%s", textinput_info[i].infotext);
8661     infotext[max_infotext_len] = '\0';
8662
8663     gi = CreateGadget(GDI_CUSTOM_ID, id,
8664                       GDI_CUSTOM_TYPE_ID, type_id,
8665                       GDI_INFO_TEXT, infotext,
8666                       GDI_X, SX + x,
8667                       GDI_Y, SY + y,
8668                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8669                       GDI_TEXT_VALUE, textinput_info[i].value,
8670                       GDI_TEXT_SIZE, textinput_info[i].size,
8671                       GDI_TEXT_FONT, FONT_INPUT_1,
8672                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8673                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8674                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8675                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8676                       GDI_DESIGN_WIDTH, gd->width,
8677                       GDI_EVENT_MASK, event_mask,
8678                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8679                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8680                       GDI_END);
8681
8682     if (gi == NULL)
8683       Fail("cannot create gadget");
8684
8685     level_editor_gadget[id] = gi;
8686   }
8687 }
8688
8689 static void CreateTextAreaGadgets(void)
8690 {
8691   int max_infotext_len = getMaxInfoTextLength();
8692   int i;
8693
8694   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8695   {
8696     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8697     int gd_x1 = gd->src_x;
8698     int gd_y1 = gd->src_y;
8699     int gd_x2 = gd->src_x + gd->active_xoffset;
8700     int gd_y2 = gd->src_y + gd->active_yoffset;
8701     struct GadgetInfo *gi;
8702     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8703     char infotext[MAX_OUTPUT_LINESIZE + 1];
8704     int id = textarea_info[i].gadget_id;
8705     int type_id = textarea_info[i].gadget_type_id;
8706     int area_xsize = textarea_info[i].xsize;
8707     int area_ysize = textarea_info[i].ysize;
8708
8709     if (type_id != i)
8710       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8711
8712     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8713     infotext[max_infotext_len] = '\0';
8714
8715     gi = CreateGadget(GDI_CUSTOM_ID, id,
8716                       GDI_CUSTOM_TYPE_ID, type_id,
8717                       GDI_INFO_TEXT, infotext,
8718                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8719                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8720                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8721                       GDI_AREA_SIZE, area_xsize, area_ysize,
8722                       GDI_TEXT_FONT, FONT_INPUT_1,
8723                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8724                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8725                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8726                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8727                       GDI_DESIGN_WIDTH, gd->width,
8728                       GDI_EVENT_MASK, event_mask,
8729                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8730                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8731                       GDI_END);
8732
8733     if (gi == NULL)
8734       Fail("cannot create gadget");
8735
8736     level_editor_gadget[id] = gi;
8737   }
8738 }
8739
8740 static void CreateSelectboxGadgets(void)
8741 {
8742   int max_infotext_len = getMaxInfoTextLength();
8743
8744   int i, j;
8745
8746   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8747   {
8748     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8749     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8750     int gd_x1 = gd->src_x;
8751     int gd_y1 = gd->src_y;
8752     int gd_x2 = gd->src_x + gd->active_xoffset;
8753     int gd_y2 = gd->src_y + gd->active_yoffset;
8754     int selectbox_button_xsize = gd2->width;
8755     struct GadgetInfo *gi;
8756     char infotext[MAX_OUTPUT_LINESIZE + 1];
8757     int id = selectbox_info[i].gadget_id;
8758     int type_id = selectbox_info[i].gadget_type_id;
8759     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8760     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8761     unsigned int event_mask =
8762       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8763
8764     if (type_id != i)
8765       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8766
8767     if (selectbox_info[i].size == -1)   // dynamically determine size
8768     {
8769       // (we cannot use -1 for uninitialized values if we directly compare
8770       // with results from strlen(), because the '<' and '>' operation will
8771       // implicitely cast -1 to an unsigned integer value!)
8772       selectbox_info[i].size = 0;
8773
8774       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8775         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8776           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8777
8778       selectbox_info[i].size++;         // add one character empty space
8779     }
8780
8781     // determine horizontal position to the right of specified gadget
8782     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8783       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8784            ED_GADGET_TEXT_DISTANCE);
8785
8786     // determine horizontal offset for leading text
8787     if (selectbox_info[i].text_left != NULL)
8788       x += getTextWidthForGadget(selectbox_info[i].text_left);
8789
8790     sprintf(infotext, "%s", selectbox_info[i].infotext);
8791     infotext[max_infotext_len] = '\0';
8792
8793     gi = CreateGadget(GDI_CUSTOM_ID, id,
8794                       GDI_CUSTOM_TYPE_ID, type_id,
8795                       GDI_INFO_TEXT, infotext,
8796                       GDI_X, x,
8797                       GDI_Y, y,
8798                       GDI_TYPE, GD_TYPE_SELECTBOX,
8799                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8800                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8801                       GDI_TEXT_SIZE, selectbox_info[i].size,
8802                       GDI_TEXT_FONT, FONT_INPUT_1,
8803                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8804                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8805                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8806                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8807                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8808                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8809                       GDI_DESIGN_WIDTH, gd->width,
8810                       GDI_EVENT_MASK, event_mask,
8811                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8812                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8813                       GDI_END);
8814
8815     if (gi == NULL)
8816       Fail("cannot create gadget");
8817
8818     level_editor_gadget[id] = gi;
8819     right_gadget_border[id] =
8820       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8821   }
8822 }
8823
8824 static void CreateTextbuttonGadgets(void)
8825 {
8826   int max_infotext_len = getMaxInfoTextLength();
8827   int i;
8828
8829   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8830   {
8831     int id = textbutton_info[i].gadget_id;
8832     int type_id = textbutton_info[i].gadget_type_id;
8833     int is_tab_button =
8834       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8835        (id >= GADGET_ID_ENGINECONFIG_CONFIG && id <= GADGET_ID_ENGINECONFIG_COLORS) ||
8836        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8837     int graphic =
8838       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8839     int gadget_distance =
8840       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8841     struct GraphicInfo *gd = &graphic_info[graphic];
8842     int gd_x1 = gd->src_x;
8843     int gd_y1 = gd->src_y;
8844     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8845     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8846     int gd_x1a = gd->src_x + gd->active_xoffset;
8847     int gd_y1a = gd->src_y + gd->active_yoffset;
8848     int border_xsize = gd->border_size + gd->draw_xoffset;
8849     int border_ysize = gd->border_size;
8850     struct GadgetInfo *gi;
8851     unsigned int event_mask = GD_EVENT_RELEASED;
8852     char infotext[MAX_OUTPUT_LINESIZE + 1];
8853     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8854     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8855
8856     if (type_id != i)
8857       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8858
8859     if (textbutton_info[i].size == -1)  // dynamically determine size
8860       textbutton_info[i].size = strlen(textbutton_info[i].text);
8861
8862     sprintf(infotext, "%s", textbutton_info[i].infotext);
8863     infotext[max_infotext_len] = '\0';
8864
8865     // determine horizontal position to the right of specified gadget
8866     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8867     {
8868       int gadget_id_align = textbutton_info[i].gadget_id_align;
8869
8870       x = right_gadget_border[gadget_id_align] + gadget_distance;
8871
8872       if (textbutton_info[i].y == -1)
8873         y = level_editor_gadget[gadget_id_align]->y;
8874     }
8875
8876     // determine horizontal offset for leading text
8877     if (textbutton_info[i].text_left != NULL)
8878       x += getTextWidthForGadget(textbutton_info[i].text_left);
8879
8880     gi = CreateGadget(GDI_CUSTOM_ID, id,
8881                       GDI_CUSTOM_TYPE_ID, type_id,
8882                       GDI_IMAGE_ID, graphic,
8883                       GDI_INFO_TEXT, infotext,
8884                       GDI_X, x,
8885                       GDI_Y, y,
8886                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8887                       GDI_TEXT_VALUE, textbutton_info[i].text,
8888                       GDI_TEXT_SIZE, textbutton_info[i].size,
8889                       GDI_TEXT_FONT, FONT_INPUT_2,
8890                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8891                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8892                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8893                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8894                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8895                       GDI_DESIGN_WIDTH, gd->width,
8896                       GDI_DECORATION_SHIFTING, 1, 1,
8897                       GDI_EVENT_MASK, event_mask,
8898                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8899                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8900                       GDI_END);
8901
8902     if (gi == NULL)
8903       Fail("cannot create gadget");
8904
8905     level_editor_gadget[id] = gi;
8906     right_gadget_border[id] =
8907       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8908   }
8909 }
8910
8911 static void CreateGraphicbuttonGadgets(void)
8912 {
8913   struct GadgetInfo *gi;
8914   int i;
8915
8916   // create buttons for scrolling of drawing area and element list
8917   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8918   {
8919     int id = graphicbutton_info[i].gadget_id;
8920     int type_id = graphicbutton_info[i].gadget_type_id;
8921     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8922     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8923     int graphic = graphicbutton_info[i].graphic;
8924     struct GraphicInfo *gd = &graphic_info[graphic];
8925     int gd_x1 = gd->src_x;
8926     int gd_y1 = gd->src_y;
8927     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8928     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8929     unsigned int event_mask = GD_EVENT_RELEASED;
8930
8931     if (type_id != i)
8932       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8933
8934     // determine horizontal position to the right of specified gadget
8935     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8936       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8937            ED_GADGET_TEXT_DISTANCE);
8938
8939     // determine horizontal offset for leading text
8940     if (graphicbutton_info[i].text_left != NULL)
8941       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8942
8943     gi = CreateGadget(GDI_CUSTOM_ID, id,
8944                       GDI_CUSTOM_TYPE_ID, type_id,
8945                       GDI_IMAGE_ID, graphic,
8946                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8947                       GDI_X, x,
8948                       GDI_Y, y,
8949                       GDI_WIDTH, gd->width,
8950                       GDI_HEIGHT, gd->height,
8951                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8952                       GDI_STATE, GD_BUTTON_UNPRESSED,
8953                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8954                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8955                       GDI_EVENT_MASK, event_mask,
8956                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8957                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8958                       GDI_END);
8959
8960     if (gi == NULL)
8961       Fail("cannot create gadget");
8962
8963     level_editor_gadget[id] = gi;
8964     right_gadget_border[id] =
8965       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8966   }
8967 }
8968
8969 static void CreateScrollbarGadgets(void)
8970 {
8971   int i;
8972
8973   // these values are not constant, but can change at runtime
8974   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8975     SX + ED_SCROLL_HORIZONTAL_XPOS;
8976   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8977     SY + ED_SCROLL_HORIZONTAL_YPOS;
8978   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8979     ED_SCROLL_HORIZONTAL_XSIZE;
8980   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8981     ED_SCROLL_HORIZONTAL_YSIZE;
8982   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8983   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8984   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8985   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8986
8987   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8988     SX + ED_SCROLL_VERTICAL_XPOS;
8989   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8990     SY + ED_SCROLL_VERTICAL_YPOS;
8991   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8992     ED_SCROLL_VERTICAL_XSIZE;
8993   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8994     ED_SCROLL_VERTICAL_YSIZE;
8995   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8996   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8997   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8998   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8999
9000   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
9001     PX + ED_SCROLL2_VERTICAL_XPOS;
9002   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
9003     PY + ED_SCROLL2_VERTICAL_YPOS;
9004   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
9005     ED_SCROLL2_VERTICAL_XSIZE;
9006   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
9007     ED_SCROLL2_VERTICAL_YSIZE;
9008   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
9009   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
9010   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
9011   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
9012
9013   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
9014   {
9015     int id = scrollbar_info[i].gadget_id;
9016     int type_id = scrollbar_info[i].gadget_type_id;
9017     int graphic = scrollbar_info[i].graphic;
9018     struct GraphicInfo *gd = &graphic_info[graphic];
9019     int gd_x1 = gd->src_x;
9020     int gd_y1 = gd->src_y;
9021     int gd_x2 = gd->src_x + gd->pressed_xoffset;
9022     int gd_y2 = gd->src_y + gd->pressed_yoffset;
9023     struct GadgetInfo *gi;
9024     int items_max, items_visible, item_position;
9025     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9026
9027     if (type_id != i)
9028       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
9029
9030     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
9031     {
9032       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9033       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9034       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9035     }
9036     else        // drawing area scrollbars
9037     {
9038       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
9039       {
9040         items_max = MAX(lev_fieldx + 2, ed_fieldx);
9041         items_visible = ed_fieldx;
9042         item_position = 0;
9043       }
9044       else
9045       {
9046         items_max = MAX(lev_fieldy + 2, ed_fieldy);
9047         items_visible = ed_fieldy;
9048         item_position = 0;
9049       }
9050     }
9051
9052     gi = CreateGadget(GDI_CUSTOM_ID, id,
9053                       GDI_CUSTOM_TYPE_ID, type_id,
9054                       GDI_IMAGE_ID, graphic,
9055                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9056                       GDI_X, scrollbar_pos[i].x,
9057                       GDI_Y, scrollbar_pos[i].y,
9058                       GDI_WIDTH, scrollbar_pos[i].width,
9059                       GDI_HEIGHT, scrollbar_pos[i].height,
9060                       GDI_TYPE, scrollbar_info[i].type,
9061                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9062                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9063                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9064                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
9065                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
9066                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
9067                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
9068                       GDI_STATE, GD_BUTTON_UNPRESSED,
9069                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9070                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9071                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9072                       GDI_EVENT_MASK, event_mask,
9073                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9074                       GDI_CALLBACK_ACTION, HandleControlButtons,
9075                       GDI_END);
9076
9077     if (gi == NULL)
9078       Fail("cannot create gadget");
9079
9080     level_editor_gadget[id] = gi;
9081   }
9082 }
9083
9084 static void CreateCheckbuttonGadgets(void)
9085 {
9086   struct GadgetInfo *gi;
9087   int i;
9088
9089   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
9090   {
9091     int id = checkbutton_info[i].gadget_id;
9092     int type_id = checkbutton_info[i].gadget_type_id;
9093     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
9094                    IMG_EDITOR_CHECKBOX);
9095     struct GraphicInfo *gd = &graphic_info[graphic];
9096     int gd_x1 = gd->src_x;
9097     int gd_y1 = gd->src_y;
9098     int gd_x2 = gd->src_x + gd->pressed_xoffset;
9099     int gd_y2 = gd->src_y + gd->pressed_yoffset;
9100     int gd_x1a = gd->src_x + gd->active_xoffset;
9101     int gd_y1a = gd->src_y + gd->active_yoffset;
9102     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
9103     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
9104     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
9105     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
9106     unsigned int event_mask = GD_EVENT_PRESSED;
9107
9108     if (type_id != i)
9109       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
9110
9111     // determine horizontal position to the right of specified gadget
9112     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
9113       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
9114            ED_GADGET_TEXT_DISTANCE);
9115
9116     // determine horizontal offset for leading text
9117     if (checkbutton_info[i].text_left != NULL)
9118       x += getTextWidthForGadget(checkbutton_info[i].text_left);
9119
9120     gi = CreateGadget(GDI_CUSTOM_ID, id,
9121                       GDI_CUSTOM_TYPE_ID, type_id,
9122                       GDI_IMAGE_ID, graphic,
9123                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
9124                       GDI_X, x,
9125                       GDI_Y, y,
9126                       GDI_WIDTH, gd->width,
9127                       GDI_HEIGHT, gd->height,
9128                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
9129                       GDI_CHECKED, *checkbutton_info[i].value,
9130                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9131                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9132                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
9133                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
9134                       GDI_EVENT_MASK, event_mask,
9135                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9136                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
9137                       GDI_END);
9138
9139     if (gi == NULL)
9140       Fail("cannot create gadget");
9141
9142     level_editor_gadget[id] = gi;
9143     right_gadget_border[id] =
9144       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
9145   }
9146 }
9147
9148 static void CreateRadiobuttonGadgets(void)
9149 {
9150   int graphic = IMG_EDITOR_RADIOBUTTON;
9151   struct GraphicInfo *gd = &graphic_info[graphic];
9152   int gd_x1 = gd->src_x;
9153   int gd_y1 = gd->src_y;
9154   int gd_x2 = gd->src_x + gd->pressed_xoffset;
9155   int gd_y2 = gd->src_y + gd->pressed_yoffset;
9156   int gd_x1a = gd->src_x + gd->active_xoffset;
9157   int gd_y1a = gd->src_y + gd->active_yoffset;
9158   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
9159   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
9160   struct GadgetInfo *gi;
9161   int i;
9162
9163   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
9164   {
9165     int id = radiobutton_info[i].gadget_id;
9166     int type_id = radiobutton_info[i].gadget_type_id;
9167     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
9168     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
9169     unsigned int event_mask = GD_EVENT_PRESSED;
9170
9171     if (type_id != i)
9172       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
9173
9174     int checked =
9175       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
9176
9177     // determine horizontal position to the right of specified gadget
9178     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
9179       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
9180            ED_GADGET_TEXT_DISTANCE);
9181
9182     // determine horizontal offset for leading text
9183     if (radiobutton_info[i].text_left != NULL)
9184       x += getTextWidthForGadget(radiobutton_info[i].text_left);
9185
9186     gi = CreateGadget(GDI_CUSTOM_ID, id,
9187                       GDI_CUSTOM_TYPE_ID, type_id,
9188                       GDI_IMAGE_ID, graphic,
9189                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
9190                       GDI_X, x,
9191                       GDI_Y, y,
9192                       GDI_WIDTH, gd->width,
9193                       GDI_HEIGHT, gd->height,
9194                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
9195                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
9196                       GDI_CHECKED, checked,
9197                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9198                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9199                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
9200                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
9201                       GDI_EVENT_MASK, event_mask,
9202                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
9203                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
9204                       GDI_END);
9205
9206     if (gi == NULL)
9207       Fail("cannot create gadget");
9208
9209     level_editor_gadget[id] = gi;
9210     right_gadget_border[id] =
9211       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
9212   }
9213 }
9214
9215 void CreateLevelEditorGadgets(void)
9216 {
9217   // force EDITOR font inside level editor
9218   SetFontStatus(GAME_MODE_EDITOR);
9219
9220   // these values are not constant, but can change at runtime
9221   ed_fieldx = MAX_ED_FIELDX - 1;
9222   ed_fieldy = MAX_ED_FIELDY - 1;
9223
9224   num_editor_gadgets = NUM_EDITOR_GADGETS;
9225
9226   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
9227
9228   level_editor_gadget =
9229     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
9230   right_gadget_border =
9231     checked_calloc(num_editor_gadgets * sizeof(int));
9232
9233   // set number of empty (padding) element buttons to maximum number of buttons
9234   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
9235
9236   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
9237   editor_el_empty_ptr = editor_el_empty;
9238
9239   use_permanent_palette = !editor.palette.show_as_separate_screen;
9240
9241   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
9242
9243   ReinitializeElementList();
9244
9245   CreateControlButtons();
9246   CreateScrollbarGadgets();
9247
9248   // order of function calls is important because of cross-references
9249   CreateCheckbuttonGadgets();
9250   CreateCounterButtons();
9251   CreateRadiobuttonGadgets();
9252   CreateTextInputGadgets();
9253   CreateTextAreaGadgets();
9254   CreateSelectboxGadgets();
9255   CreateGraphicbuttonGadgets();
9256   CreateTextbuttonGadgets();
9257   CreateDrawingAreas();
9258
9259   ResetFontStatus();
9260 }
9261
9262 void FreeLevelEditorGadgets(void)
9263 {
9264   int i;
9265
9266   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
9267
9268   for (i = 0; i < num_editor_gadgets; i++)
9269   {
9270     FreeGadget(level_editor_gadget[i]);
9271
9272     level_editor_gadget[i] = NULL;
9273   }
9274
9275   checked_free(level_editor_gadget);
9276   checked_free(right_gadget_border);
9277
9278   checked_free(editor_el_empty);
9279 }
9280
9281 static void MapCounterButtons(int id)
9282 {
9283   int font_nr = FONT_TEXT_1;
9284   int font_height = getFontHeight(font_nr);
9285   int gadget_id_down = counterbutton_info[id].gadget_id_down;
9286   int gadget_id_text = counterbutton_info[id].gadget_id_text;
9287   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
9288   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
9289   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
9290   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
9291   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
9292   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9293   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9294   int yoffset = (gi_down->height - font_height) / 2;
9295   int x_left = gi_down->x - xoffset_left;
9296   int x_right;  // set after gadget position was modified
9297   int y_above = gi_down->y - yoffset_above;
9298   int x = gi_down->x;
9299   int y;        // set after gadget position was modified
9300
9301   // counter limits must be changed first to prevent value truncation
9302   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
9303                             counterbutton_info[id].max_value);
9304
9305   // right text position might have changed after setting position above
9306   x_right = gi_up->x + gi_up->width + xoffset_right;
9307
9308   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
9309
9310   // set position for counter gadgets with dynamically determined position
9311   if (id != ED_COUNTER_ID_SELECT_LEVEL)
9312   {
9313     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9314     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9315     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9316   }
9317
9318   // vertical position might have changed after setting position above
9319   y = gi_up->y + yoffset;
9320
9321   if (counterbutton_info[id].text_above)
9322     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
9323
9324   if (counterbutton_info[id].text_left)
9325     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
9326
9327   if (counterbutton_info[id].text_right)
9328     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
9329
9330   MapGadget(gi_down);
9331   MapGadget(gi_text);
9332   MapGadget(gi_up);
9333 }
9334
9335 static void MapControlButtons(void)
9336 {
9337   int counter_id;
9338   int i;
9339
9340   // map toolbox buttons (excluding special CE toolbox buttons)
9341   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
9342     MapGadget(level_editor_gadget[i]);
9343
9344   // map toolbox buttons (element properties buttons)
9345   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
9346     MapGadget(level_editor_gadget[i]);
9347
9348   if (use_permanent_palette)
9349   {
9350     // map buttons to select elements
9351     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9352       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9353     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9354     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9355     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9356   }
9357
9358   // map buttons to select level
9359   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
9360   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
9361   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
9362   MapCounterButtons(counter_id);
9363 }
9364
9365 static void MapDrawingArea(int id)
9366 {
9367   int font_nr = FONT_TEXT_1;
9368   int font_height = getFontHeight(font_nr);
9369   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9370   int area_xsize = gi->drawing.area_xsize;
9371   int area_ysize = gi->drawing.area_ysize;
9372   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9373   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
9374   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
9375   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
9376   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
9377   int x_below = gi->x + (gi->width - xoffset_below) / 2;
9378   int y_side  = gi->y + (gi->height - font_height) / 2;
9379   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
9380   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
9381
9382   if (drawingarea_info[id].text_left)
9383     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
9384
9385   if (drawingarea_info[id].text_right)
9386     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
9387
9388   if (drawingarea_info[id].text_above)
9389     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
9390
9391   if (drawingarea_info[id].text_below)
9392     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
9393
9394   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
9395   {
9396     DrawElementBorder(gi->x, gi->y,
9397                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
9398                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
9399
9400     DrawDrawingArea(id);
9401   }
9402
9403   MapGadget(gi);
9404 }
9405
9406 static void MapTextInputGadget(int id)
9407 {
9408   int font_nr = FONT_TEXT_1;
9409   int font_height = getFontHeight(font_nr);
9410   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9411   int xoffset_left = getTextWidthForGadget(textinput_info[id].text_left);
9412   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9413   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9414   int yoffset = (gi->height - font_height) / 2;
9415   int x_left = gi->x - xoffset_left;
9416   int x_right = gi->x + gi->width + xoffset_right;
9417   int y_above = gi->y - yoffset_above;
9418   int y = gi->y + yoffset;
9419
9420   if (textinput_info[id].text_above)
9421     DrawText(x_left, y_above, textinput_info[id].text_above, font_nr);
9422
9423   if (textinput_info[id].text_left)
9424     DrawText(x_left, y, textinput_info[id].text_left, font_nr);
9425
9426   if (textinput_info[id].text_right)
9427     DrawText(x_right, y, textinput_info[id].text_right, font_nr);
9428
9429   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9430
9431   MapGadget(gi);
9432 }
9433
9434 static void MapTextAreaGadget(int id)
9435 {
9436   int font_nr = FONT_TEXT_1;
9437   int font_height = getFontHeight(font_nr);
9438   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9439   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9440   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9441   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9442   char *text_above = textarea_info[id].text_above;
9443
9444   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9445     text_above = textarea_info[id].text_above_cropped;
9446
9447   if (text_above)
9448     DrawTextS(x_above, y_above, font_nr, text_above);
9449
9450   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9451
9452   MapGadget(gi);
9453 }
9454
9455 static void MapSelectboxGadget(int id)
9456 {
9457   int font_nr = FONT_TEXT_1;
9458   int font_height = getFontHeight(font_nr);
9459   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9460   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9461   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9462   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9463   int yoffset = (gi->height - font_height) / 2;
9464   int x_left = gi->x - xoffset_left;
9465   int x_right = gi->x + gi->width + xoffset_right;
9466   int y_above = gi->y - yoffset_above;
9467   int y = gi->y + yoffset;
9468
9469   if (selectbox_info[id].text_above)
9470     DrawText(x_left, y_above, selectbox_info[id].text_above, font_nr);
9471
9472   if (selectbox_info[id].text_left)
9473     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9474
9475   if (selectbox_info[id].text_right)
9476     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9477
9478   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9479
9480   MapGadget(gi);
9481 }
9482
9483 static void MapTextbuttonGadget(int id)
9484 {
9485   int font_nr = FONT_TEXT_1;
9486   int font_height = getFontHeight(font_nr);
9487   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9488   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9489   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9490   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9491   int yoffset = (gi->height - font_height) / 2;
9492   int x_left = gi->x - xoffset_left;
9493   int x_right = gi->x + gi->width + xoffset_right;
9494   int y_above = gi->y - yoffset_above;
9495   int x = gi->x;
9496   int y = gi->y + yoffset;
9497
9498   // only show button to delete change pages when more than minimum pages
9499   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9500       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9501     return;
9502
9503   if (textbutton_info[id].text_above)
9504     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9505
9506   if (textbutton_info[id].text_left)
9507     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9508
9509   if (textbutton_info[id].text_right)
9510     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9511
9512   MapGadget(gi);
9513 }
9514
9515 static void MapGraphicbuttonGadget(int id)
9516 {
9517   int font_nr = FONT_TEXT_1;
9518   int font_height = getFontHeight(font_nr);
9519   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9520   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9521   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9522   int yoffset = (gi->height - font_height) / 2;
9523   int x_left = gi->x - xoffset_left;
9524   int x_right = gi->x + gi->width + xoffset_right;
9525   int y = gi->y + yoffset;
9526
9527   if (graphicbutton_info[id].text_left)
9528     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9529
9530   if (graphicbutton_info[id].text_right)
9531     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9532
9533   MapGadget(gi);
9534 }
9535
9536 static void MapRadiobuttonGadget(int id)
9537 {
9538   int font_nr = FONT_TEXT_1;
9539   int font_height = getFontHeight(font_nr);
9540   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9541   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9542   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9543   int yoffset = (gi->height - font_height) / 2;
9544   int x_left = gi->x - xoffset_left;
9545   int x_right = gi->x + gi->width + xoffset_right;
9546   int y = gi->y + yoffset;
9547   boolean checked =
9548     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9549
9550   if (radiobutton_info[id].text_left)
9551     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9552
9553   if (radiobutton_info[id].text_right)
9554     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9555
9556   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9557
9558   MapGadget(gi);
9559 }
9560
9561 static void MapCheckbuttonGadget(int id)
9562 {
9563   int font_nr = FONT_TEXT_1;
9564   int font_height = getFontHeight(font_nr);
9565   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9566   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9567   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9568   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9569   int yoffset = (gi->height - font_height) / 2;
9570   int y_above = gi->y - yoffset_above;
9571   int x = gi->x;
9572   int x_left, x_right, y;       // set after gadget position was modified
9573
9574   // set position for gadgets with dynamically determined position
9575   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9576     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9577   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9578
9579   x_left = gi->x - xoffset_left;
9580   x_right = gi->x + gi->width + xoffset_right;
9581   y = gi->y + yoffset;
9582
9583   if (checkbutton_info[id].text_above)
9584     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9585
9586   if (checkbutton_info[id].text_left)
9587     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9588
9589   if (checkbutton_info[id].text_right)
9590     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9591
9592   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9593
9594   MapGadget(gi);
9595 }
9596
9597 static void MapMainDrawingArea(void)
9598 {
9599   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9600   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9601   int i;
9602
9603   if (suppressBorderElement())
9604   {
9605     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9606     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9607   }
9608
9609   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9610   {
9611     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9612           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9613          no_horizontal_scrollbar) ||
9614         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9615           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9616          no_vertical_scrollbar))
9617       continue;
9618
9619     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9620   }
9621
9622   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9623   {
9624     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9625         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9626       continue;
9627
9628     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9629   }
9630
9631   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9632 }
9633
9634 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9635 {
9636   int i;
9637
9638   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9639   {
9640     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9641         i == GADGET_ID_CUSTOM_COPY_TO ||
9642         i == GADGET_ID_CUSTOM_EXCHANGE ||
9643         i == GADGET_ID_CUSTOM_COPY ||
9644         i == GADGET_ID_CUSTOM_PASTE)
9645     {
9646       if (map)
9647         MapGadget(level_editor_gadget[i]);
9648       else
9649         UnmapGadget(level_editor_gadget[i]);
9650     }
9651   }
9652 }
9653
9654 static void MapLevelEditorToolboxCustomGadgets(void)
9655 {
9656   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9657 }
9658
9659 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9660 {
9661   if (IS_CUSTOM_ELEMENT(properties_element) ||
9662       IS_GROUP_ELEMENT(properties_element) ||
9663       IS_EMPTY_ELEMENT(properties_element))
9664     MapLevelEditorToolboxCustomGadgets();
9665 }
9666
9667 static void UnmapLevelEditorToolboxCustomGadgets(void)
9668 {
9669   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9670 }
9671
9672 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9673 {
9674   int i;
9675
9676   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9677   {
9678     if (i != GADGET_ID_SINGLE_ITEMS &&
9679         i != GADGET_ID_PICK_ELEMENT)
9680     {
9681       struct GadgetInfo *gi = level_editor_gadget[i];
9682
9683       if (map)
9684       {
9685         MapGadget(gi);
9686       }
9687       else
9688       {
9689         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9690         struct GraphicInfo *gd = &graphic_info[graphic];
9691
9692         UnmapGadget(gi);
9693
9694         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9695                    gi->width, gi->height, gi->x, gi->y);
9696
9697         redraw_mask |= REDRAW_DOOR_3;
9698       }
9699     }
9700   }
9701 }
9702
9703 static void MapLevelEditorToolboxDrawingGadgets(void)
9704 {
9705   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9706 }
9707
9708 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9709 {
9710   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9711 }
9712
9713 static void UnmapDrawingArea(int id)
9714 {
9715   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9716 }
9717
9718 static void UnmapLevelEditorFieldGadgets(void)
9719 {
9720   int i;
9721
9722   for (i = 0; i < num_editor_gadgets; i++)
9723     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9724                           level_editor_gadget[i]->y))
9725       UnmapGadget(level_editor_gadget[i]);
9726 }
9727
9728 void UnmapLevelEditorGadgets(void)
9729 {
9730   int i;
9731
9732   for (i = 0; i < num_editor_gadgets; i++)
9733     UnmapGadget(level_editor_gadget[i]);
9734 }
9735
9736 static void ResetUndoBuffer(void)
9737 {
9738   undo_buffer_position = -1;
9739   undo_buffer_steps = -1;
9740   redo_buffer_steps = 0;
9741
9742   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9743
9744   level.changed = FALSE;
9745 }
9746
9747 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9748 {
9749   if (remap_toolbox_gadgets)
9750   {
9751     ModifyEditorElementList();
9752     RedrawDrawingElements();
9753   }
9754
9755   if (edit_mode == ED_MODE_LEVELCONFIG)
9756     DrawLevelConfigWindow();
9757   else if (edit_mode == ED_MODE_PROPERTIES)
9758     DrawPropertiesWindow();
9759   else if (edit_mode == ED_MODE_PALETTE)
9760     DrawPaletteWindow();
9761   else  // edit_mode == ED_MODE_DRAWING
9762     DrawDrawingWindowExt(remap_toolbox_gadgets);
9763 }
9764
9765 static void DrawEditModeWindow(void)
9766 {
9767   DrawEditModeWindowExt(TRUE);
9768 }
9769
9770 static void DrawEditModeWindow_PlayfieldOnly(void)
9771 {
9772   DrawEditModeWindowExt(FALSE);
9773 }
9774
9775 static void ChangeEditModeWindow(int new_edit_mode)
9776 {
9777   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9778
9779   DrawEditModeWindow();
9780 }
9781
9782 static boolean LevelChanged(void)
9783 {
9784   boolean field_changed = FALSE;
9785   int x, y;
9786
9787   for (y = 0; y < lev_fieldy; y++)
9788     for (x = 0; x < lev_fieldx; x++)
9789       if (Tile[x][y] != level.field[x][y])
9790         field_changed = TRUE;
9791
9792   return (level.changed || field_changed);
9793 }
9794
9795 static boolean PrepareSavingIntoPersonalLevelSet(void)
9796 {
9797   static LevelDirTree *last_copied_leveldir = NULL;
9798   static LevelDirTree *last_written_leveldir = NULL;
9799   static int last_copied_level_nr = -1;
9800   static int last_written_level_nr = -1;
9801   LevelDirTree *leveldir_former = leveldir_current;
9802   int level_nr_former = level_nr;
9803   int new_level_nr;
9804
9805   // remember last mod/save so that for current session, we write
9806   // back to the same personal copy, asking only about overwrite.
9807   if (leveldir_current == last_copied_leveldir &&
9808       level_nr == last_copied_level_nr)
9809   {
9810     // "cd" to personal level set dir (as used when writing last copy)
9811     leveldir_current = last_written_leveldir;
9812     level_nr = last_written_level_nr;
9813
9814     return TRUE;
9815   }
9816
9817   if (!Request("This level is read-only! "
9818                "Save into personal level set?", REQ_ASK))
9819     return FALSE;
9820
9821   // "cd" to personal level set dir (for writing copy the first time)
9822   leveldir_current =
9823     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9824
9825   // this may happen if "setup.internal.create_user_levelset" is FALSE
9826   // or if file "levelinfo.conf" is missing in personal user level set
9827   if (leveldir_current == NULL)
9828   {
9829     Request("Cannot find personal level set?!", REQ_CONFIRM);
9830
9831     leveldir_current = leveldir_former;
9832
9833     return FALSE;
9834   }
9835
9836   // find unused level number
9837   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9838   {
9839     static char *level_filename = NULL;
9840
9841     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9842
9843     if (!fileExists(level_filename))
9844       break;
9845   }
9846
9847   last_copied_leveldir = leveldir_former;
9848   last_copied_level_nr = level_nr_former;
9849
9850   last_written_leveldir = leveldir_current;
9851   last_written_level_nr = level_nr = new_level_nr;
9852
9853   return TRUE;
9854 }
9855
9856 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9857 {
9858   static char *filename_levelinfo = NULL, *mod_name = NULL;
9859   FILE *file;
9860
9861   // annotate this copy-and-mod in personal levelinfo.conf
9862   setString(&filename_levelinfo,
9863             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9864
9865   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9866   {
9867     fprintf(file, "\n");
9868     fprintf(file, "# level %d was modified from:\n", level_nr);
9869     fprintf(file, "# - previous level set name:    %s\n",
9870             former_name);
9871     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9872             level.file_info.nr, level.name);
9873     fprintf(file, "# - previous author:            %s\n",
9874             level.author);
9875     fprintf(file, "# - previous save date:         ");
9876
9877     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9878     {
9879       fprintf(file, "%04d-%02d-%02d\n",
9880               level.creation_date.year,
9881               level.creation_date.month,
9882               level.creation_date.day);
9883     }
9884     else
9885     {
9886       fprintf(file, "not recorded\n");
9887     }
9888
9889     fclose(file);
9890   }
9891
9892   if (level_nr > leveldir_current->last_level)
9893     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9894
9895   // else: allow the save even if annotation failed
9896
9897   // now... spray graffiti on the old level vital statistics
9898   // user can change these; just trying to set a good baseline
9899
9900   // don't truncate names for fear of making offensive or silly:
9901   // long-named original author only recorded in levelinfo.conf.
9902   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9903   if (!strEqual(level.author, leveldir_current->author))
9904   {
9905     setString(&mod_name, getStringCat3(leveldir_current->author,
9906                                        " after ", level.author));
9907
9908     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9909       setString(&mod_name,
9910                 getStringCat2(leveldir_current->author, " (ed.)"));
9911
9912     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9913       setString(&mod_name, leveldir_current->author);
9914
9915     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9916
9917     // less worried about truncation here
9918     setString(&mod_name, getStringCat2("Mod: ", level.name));
9919     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9920   }
9921 }
9922
9923 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9924                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9925 {
9926   int x, y;
9927
9928   for (x = 0; x < lev_fieldx; x++)
9929     for (y = 0; y < lev_fieldy; y++)
9930       dst[x][y] = src[x][y];
9931 }
9932
9933 static int setSelectboxValue(int selectbox_id, int new_value)
9934 {
9935   int new_index_value = 0;
9936   int i;
9937
9938   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9939     if (selectbox_info[selectbox_id].options[i].value == new_value)
9940       new_index_value = i;
9941
9942   *selectbox_info[selectbox_id].value =
9943     selectbox_info[selectbox_id].options[new_index_value].value;
9944
9945   return new_index_value;
9946 }
9947
9948 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9949 {
9950   int i;
9951
9952   // change action mode and arg variables according to action type variable
9953   for (i = 0; action_arg_options[i].value != -1; i++)
9954   {
9955     if (action_arg_options[i].value == custom_element_change.action_type)
9956     {
9957       int mode = action_arg_options[i].mode;
9958
9959       // only change if corresponding selectbox has changed
9960       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9961           action_arg_modes[mode])
9962         custom_element_change.action_mode = -1;
9963
9964       // only change if corresponding selectbox has changed
9965       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9966           action_arg_options[i].options)
9967         custom_element_change.action_arg = -1;
9968
9969       break;
9970     }
9971   }
9972 }
9973
9974 static void setSelectboxSpecialActionOptions(void)
9975 {
9976   int i;
9977
9978   // change action mode and arg selectbox according to action type selectbox
9979   for (i = 0; action_arg_options[i].value != -1; i++)
9980   {
9981     if (action_arg_options[i].value == custom_element_change.action_type)
9982     {
9983       int mode = action_arg_options[i].mode;
9984
9985       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9986                                    action_arg_modes[mode]);
9987       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9988                                  custom_element_change.action_mode);
9989
9990       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9991                                    action_arg_options[i].options);
9992       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9993                                  custom_element_change.action_arg);
9994       break;
9995     }
9996   }
9997 }
9998
9999 static void copy_custom_element_settings(int element_from, int element_to)
10000 {
10001   struct ElementInfo *ei_from = &element_info[element_from];
10002   struct ElementInfo *ei_to = &element_info[element_to];
10003
10004   copyElementInfo(ei_from, ei_to);
10005 }
10006
10007 static void replace_custom_element_in_settings(int element_from,
10008                                                int element_to)
10009 {
10010   int i, j, x, y;
10011
10012   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10013   {
10014     struct ElementInfo *ei = &element_info[i];
10015
10016     for (y = 0; y < 3; y++)
10017       for (x = 0; x < 3; x++)
10018         if (ei->content.e[x][y] == element_from)
10019           ei->content.e[x][y] = element_to;
10020
10021     for (j = 0; j < ei->num_change_pages; j++)
10022     {
10023       struct ElementChangeInfo *change = &ei->change_page[j];
10024
10025       if (change->target_element == element_from)
10026         change->target_element = element_to;
10027
10028       if (change->initial_trigger_element == element_from)
10029         change->initial_trigger_element = element_to;
10030
10031       if (change->action_element == element_from)
10032         change->action_element = element_to;
10033
10034       for (y = 0; y < 3; y++)
10035         for (x = 0; x < 3; x++)
10036           if (change->target_content.e[x][y] == element_from)
10037             change->target_content.e[x][y] = element_to;
10038     }
10039
10040     if (ei->group != NULL)                              // group or internal
10041       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
10042         if (ei->group->element[j] == element_from)
10043           ei->group->element[j] = element_to;
10044   }
10045 }
10046
10047 static void replace_custom_element_in_playfield(int element_from,
10048                                                 int element_to)
10049 {
10050   int x, y;
10051
10052   for (x = 0; x < lev_fieldx; x++)
10053     for (y = 0; y < lev_fieldy; y++)
10054       if (Tile[x][y] == element_from)
10055         Tile[x][y] = element_to;
10056 }
10057
10058 static boolean CopyCustomElement(int element_old, int element_new,
10059                                  int copy_mode)
10060 {
10061   int copy_mode_orig = copy_mode;
10062
10063   if (copy_mode == GADGET_ID_CUSTOM_COPY)
10064   {
10065     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
10066                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
10067     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
10068   }
10069   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
10070   {
10071     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
10072                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
10073     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
10074
10075     level.changed = TRUE;
10076   }
10077   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
10078   {
10079     Request("Please choose custom element!", REQ_CONFIRM);
10080
10081     return FALSE;
10082   }
10083   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
10084   {
10085     Request("Please choose group element!", REQ_CONFIRM);
10086
10087     return FALSE;
10088   }
10089   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
10090   {
10091     Request("Please choose empty element!", REQ_CONFIRM);
10092
10093     return FALSE;
10094   }
10095   else
10096   {
10097     level.changed = TRUE;
10098   }
10099
10100   // when modifying custom/group element, ask for copying level template
10101   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
10102   {
10103     if (!AskToCopyAndModifyLevelTemplate())
10104       return FALSE;
10105   }
10106
10107   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
10108   {
10109     copy_custom_element_settings(element_new, element_old);
10110   }
10111   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
10112   {
10113     copy_custom_element_settings(element_old, element_new);
10114   }
10115   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
10116   {
10117     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
10118     copy_custom_element_settings(element_new, element_old);
10119     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
10120
10121     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
10122     replace_custom_element_in_settings(element_new, element_old);
10123     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
10124
10125     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
10126     replace_custom_element_in_playfield(element_new, element_old);
10127     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
10128   }
10129
10130   UpdateCustomElementGraphicGadgets();
10131   DrawPropertiesWindow();
10132
10133   return TRUE;
10134 }
10135
10136 static void CopyCustomElementPropertiesToEditor(int element)
10137 {
10138   int i;
10139   int current_change_page = element_info[element].current_change_page;
10140
10141   // dynamically (re)build selectbox for selecting change page
10142   for (i = 0; i < element_info[element].num_change_pages; i++)
10143   {
10144     sprintf(options_change_page_strings[i], "%d", i + 1);
10145
10146     options_change_page[i].value = i;
10147     options_change_page[i].text = options_change_page_strings[i];
10148   }
10149
10150   options_change_page[i].value = -1;
10151   options_change_page[i].text = NULL;
10152
10153   // needed here to initialize combined element properties
10154   InitElementPropertiesEngine(level.game_version);
10155
10156   element_info[element].change =
10157     &element_info[element].change_page[current_change_page];
10158
10159   custom_element = element_info[element];
10160   custom_element_change = *element_info[element].change;
10161
10162   // needed to initially set selectbox options for special action options
10163   setSelectboxSpecialActionOptions();
10164
10165   // needed to initially set selectbox value variables to reliable defaults
10166   for (i = 0; i < ED_NUM_SELECTBOX; i++)
10167     setSelectboxValue(i, *selectbox_info[i].value);
10168
10169   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10170     custom_element_properties[i] = HAS_PROPERTY(element, i);
10171
10172   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10173     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
10174
10175   // ---------- element settings: configure (custom elements) -----------------
10176
10177   // set accessible layer selectbox help value
10178   custom_element.access_type =
10179     (IS_WALKABLE(element) ? EP_WALKABLE :
10180      IS_PASSABLE(element) ? EP_PASSABLE :
10181      custom_element.access_type);
10182   custom_element.access_layer =
10183     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
10184      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
10185      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
10186      custom_element.access_layer);
10187   custom_element.access_protected =
10188     (IS_PROTECTED(element) ? 1 : 0);
10189   custom_element_properties[EP_ACCESSIBLE] =
10190     (IS_ACCESSIBLE_OVER(element) ||
10191      IS_ACCESSIBLE_INSIDE(element) ||
10192      IS_ACCESSIBLE_UNDER(element));
10193
10194   // set walk-to-object action selectbox help value
10195   custom_element.walk_to_action =
10196     (IS_DIGGABLE(element) ? EP_DIGGABLE :
10197      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
10198      IS_DROPPABLE(element) ? EP_DROPPABLE :
10199      IS_THROWABLE(element) ? EP_THROWABLE :
10200      IS_PUSHABLE(element) ? EP_PUSHABLE :
10201      custom_element.walk_to_action);
10202   custom_element_properties[EP_WALK_TO_OBJECT] =
10203     (IS_DIGGABLE(element) ||
10204      IS_COLLECTIBLE_ONLY(element) ||
10205      IS_DROPPABLE(element) ||
10206      IS_THROWABLE(element) ||
10207      IS_PUSHABLE(element));
10208
10209   // set smash targets selectbox help value
10210   custom_element.smash_targets =
10211     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
10212      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
10213      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
10214      custom_element.smash_targets);
10215   custom_element_properties[EP_CAN_SMASH] =
10216     (CAN_SMASH_EVERYTHING(element) ||
10217      CAN_SMASH_ENEMIES(element) ||
10218      CAN_SMASH_PLAYER(element));
10219
10220   // set deadliness selectbox help value
10221   custom_element.deadliness =
10222     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
10223      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
10224      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
10225      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
10226      custom_element.deadliness);
10227   custom_element_properties[EP_DEADLY] =
10228     (DONT_TOUCH(element) ||
10229      DONT_GET_HIT_BY(element) ||
10230      DONT_COLLIDE_WITH(element) ||
10231      DONT_RUN_INTO(element));
10232
10233   // ---------- element settings: advanced (custom elements) ------------------
10234
10235   // set "change by direct action" selectbox help value
10236   custom_element_change.direct_action =
10237     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
10238      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
10239      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
10240      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
10241      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
10242      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
10243      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
10244      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
10245      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
10246      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
10247      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
10248      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
10249      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
10250      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
10251      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
10252      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
10253      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
10254      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
10255      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
10256      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
10257      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
10258      custom_element_change.direct_action);
10259
10260   // set "change by other element action" selectbox help value
10261   custom_element_change.other_action =
10262     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
10263      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
10264      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
10265      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
10266      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
10267      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
10268      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
10269      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
10270      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
10271      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
10272      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
10273      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
10274      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
10275      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
10276      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
10277      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
10278      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
10279      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
10280      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
10281      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
10282      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
10283      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
10284      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
10285      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
10286      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
10287      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
10288      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
10289      custom_element_change.other_action);
10290 }
10291
10292 static void CopyGroupElementPropertiesToEditor(int element)
10293 {
10294   group_element_info = *element_info[element].group;
10295   custom_element = element_info[element];       // needed for description
10296 }
10297
10298 static void CopyEmptyElementPropertiesToEditor(int element)
10299 {
10300   custom_element = element_info[element];
10301 }
10302
10303 static void CopyClassicElementPropertiesToEditor(int element)
10304 {
10305   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10306     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
10307       getMoveIntoAcidProperty(&level, element);
10308
10309   if (MAYBE_DONT_COLLIDE_WITH(element))
10310     custom_element_properties[EP_DONT_COLLIDE_WITH] =
10311       getDontCollideWithProperty(&level, element);
10312 }
10313
10314 static void CopyElementPropertiesToEditor(int element)
10315 {
10316   if (IS_CUSTOM_ELEMENT(element))
10317     CopyCustomElementPropertiesToEditor(element);
10318   else if (IS_GROUP_ELEMENT(element))
10319     CopyGroupElementPropertiesToEditor(element);
10320   else if (IS_EMPTY_ELEMENT(element))
10321     CopyEmptyElementPropertiesToEditor(element);
10322   else
10323     CopyClassicElementPropertiesToEditor(element);
10324 }
10325
10326 static boolean AskToCopyAndModifyLevelTemplate(void)
10327 {
10328   if (Request("Copy and modify settings from level template?", REQ_ASK))
10329   {
10330     level.use_custom_template = FALSE;
10331
10332     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
10333                  GDI_CHECKED, FALSE, GDI_END);
10334     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
10335                  GDI_CHECKED, FALSE, GDI_END);
10336
10337     return TRUE;
10338   }
10339   else
10340   {
10341     LoadLevelTemplate(-1);      // this resets all element modifications ...
10342
10343     DrawEditModeWindow();       // ... and copies them to 'custom_element'
10344
10345     return FALSE;
10346   }
10347 }
10348
10349 static void CopyCustomElementPropertiesToGame(int element)
10350 {
10351   int i;
10352   int access_type_and_layer;
10353
10354   // mark that this custom element has been modified
10355   custom_element.modified_settings = TRUE;
10356   level.changed = TRUE;
10357
10358   if (level.use_custom_template)
10359     AskToCopyAndModifyLevelTemplate();
10360
10361   element_info[element] = custom_element;
10362   *element_info[element].change = custom_element_change;
10363
10364   // ---------- element settings: configure (custom elements) -----------------
10365
10366   // set accessible property from checkbox and selectbox
10367   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
10368   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
10369   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
10370   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
10371   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
10372   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
10373   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
10374                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
10375                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
10376   custom_element_properties[access_type_and_layer] =
10377     custom_element_properties[EP_ACCESSIBLE];
10378   custom_element_properties[EP_PROTECTED] =
10379     (custom_element.access_protected != 0 &&
10380      custom_element_properties[EP_ACCESSIBLE]);
10381
10382   // set walk-to-object property from checkbox and selectbox
10383   custom_element_properties[EP_DIGGABLE] = FALSE;
10384   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
10385   custom_element_properties[EP_DROPPABLE] = FALSE;
10386   custom_element_properties[EP_THROWABLE] = FALSE;
10387   custom_element_properties[EP_PUSHABLE] = FALSE;
10388   custom_element_properties[custom_element.walk_to_action] =
10389     custom_element_properties[EP_WALK_TO_OBJECT];
10390
10391   // set smash property from checkbox and selectbox
10392   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
10393   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
10394   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
10395   custom_element_properties[custom_element.smash_targets] =
10396     custom_element_properties[EP_CAN_SMASH];
10397
10398   // set deadliness property from checkbox and selectbox
10399   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
10400   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
10401   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
10402   custom_element_properties[EP_DONT_TOUCH] = FALSE;
10403   custom_element_properties[custom_element.deadliness] =
10404     custom_element_properties[EP_DEADLY];
10405
10406   // ---------- element settings: advanced (custom elements) ------------------
10407
10408   // set player change event from checkbox and selectbox
10409   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
10410   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
10411   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
10412   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
10413   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
10414   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
10415   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
10416   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
10417   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
10418   custom_element_change_events[CE_SWITCHED] = FALSE;
10419   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10420   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10421   custom_element_change_events[CE_BLOCKED] = FALSE;
10422   custom_element_change_events[CE_IMPACT] = FALSE;
10423   custom_element_change_events[CE_SMASHED] = FALSE;
10424   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10425   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10426   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10427   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10428   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10429   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10430   custom_element_change_events[custom_element_change.direct_action] =
10431     custom_element_change_events[CE_BY_DIRECT_ACTION];
10432
10433   // set other element action change event from checkbox and selectbox
10434   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10435   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10436   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10437   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10438   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10439   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10440   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10441   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10442   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10443   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10444   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10445   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10446   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10447   custom_element_change_events[CE_HITTING_X] = FALSE;
10448   custom_element_change_events[CE_DIGGING_X] = FALSE;
10449   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10450   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10451   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10452   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10453   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10454   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10455   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10456   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10457   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10458   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10459   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10460   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10461   custom_element_change_events[custom_element_change.other_action] =
10462     custom_element_change_events[CE_BY_OTHER_ACTION];
10463
10464   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10465     SET_PROPERTY(element, i, custom_element_properties[i]);
10466
10467   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10468     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10469
10470   // copy change events also to special level editor variable
10471   custom_element = element_info[element];
10472   custom_element_change = *element_info[element].change;
10473
10474   // needed here to restore runtime value "element_info[element].gfx_element"
10475   InitElementPropertiesGfxElement();
10476 }
10477
10478 static void CopyGroupElementPropertiesToGame(int element)
10479 {
10480   // mark that this group element has been modified
10481   custom_element.modified_settings = TRUE;
10482   level.changed = TRUE;
10483
10484   if (level.use_custom_template)
10485     AskToCopyAndModifyLevelTemplate();
10486
10487   element_info[element] = custom_element;
10488   *element_info[element].group = group_element_info;
10489
10490   // needed here to restore runtime value "element_info[element].gfx_element"
10491   InitElementPropertiesGfxElement();
10492 }
10493
10494 static void CopyEmptyElementPropertiesToGame(int element)
10495 {
10496   // mark that this empty element has been modified
10497   custom_element.modified_settings = TRUE;
10498   level.changed = TRUE;
10499
10500   if (level.use_custom_template)
10501     AskToCopyAndModifyLevelTemplate();
10502
10503   element_info[element] = custom_element;
10504
10505   // needed here to restore runtime value "element_info[element].gfx_element"
10506   InitElementPropertiesGfxElement();
10507 }
10508
10509 static void CopyClassicElementPropertiesToGame(int element)
10510 {
10511   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10512     setMoveIntoAcidProperty(&level, element,
10513                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10514
10515   if (MAYBE_DONT_COLLIDE_WITH(element))
10516     setDontCollideWithProperty(&level, element,
10517                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10518 }
10519
10520 static void CopyElementPropertiesToGame(int element)
10521 {
10522   if (IS_CUSTOM_ELEMENT(element))
10523     CopyCustomElementPropertiesToGame(element);
10524   else if (IS_GROUP_ELEMENT(element))
10525     CopyGroupElementPropertiesToGame(element);
10526   else if (IS_EMPTY_ELEMENT(element))
10527     CopyEmptyElementPropertiesToGame(element);
10528   else
10529     CopyClassicElementPropertiesToGame(element);
10530 }
10531
10532 #if DEBUG
10533 static void CheckElementDescriptions(void)
10534 {
10535   int i;
10536
10537   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10538     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10539       Warn("no element description file for element '%s'", EL_NAME(i));
10540 }
10541 #endif
10542
10543 static int getMaxEdFieldX(boolean has_scrollbar)
10544 {
10545   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10546   int sxsize = SXSIZE - scrollbar_width;
10547   int max_ed_fieldx = sxsize / ed_tilesize;
10548
10549   return max_ed_fieldx;
10550 }
10551
10552 static int getMaxEdFieldY(boolean has_scrollbar)
10553 {
10554   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10555                          INFOTEXT_YSIZE_FULL : 0);
10556   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10557   int sysize = SYSIZE - scrollbar_height - infotext_height;
10558   int max_ed_fieldy = sysize / ed_tilesize;
10559
10560   return max_ed_fieldy;
10561 }
10562
10563 static void InitZoomLevelSettings(int zoom_tilesize)
10564 {
10565   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10566
10567   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10568   {
10569     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10570     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10571
10572     // make sure that tile size is always a power of 2
10573     ed_tilesize = (1 << log_2(ed_tilesize));
10574
10575     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10576     {
10577       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10578       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10579     }
10580   }
10581
10582   last_game_engine_type = level.game_engine_type;
10583
10584   // limit zoom tilesize by upper and lower bound
10585   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10586
10587   // store zoom tilesize in auto setup file only if it was manually changed
10588   if (zoom_tilesize != -1)
10589     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10590
10591   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10592   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10593 }
10594
10595 static void InitDrawingElements(void)
10596 {
10597   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10598
10599   if (level.game_engine_type == game_engine_type_last)
10600     return;
10601
10602   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10603   {
10604     new_element1 = EL_BD_WALL;
10605     new_element2 = EL_EMPTY;
10606     new_element3 = EL_BD_SAND;
10607   }
10608   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10609   {
10610     new_element1 = EL_SP_CHIP_SINGLE;
10611     new_element2 = EL_EMPTY;
10612     new_element3 = EL_SP_BASE;
10613   }
10614   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10615   {
10616     new_element1 = EL_MM_MIRROR_START;
10617     new_element2 = EL_EMPTY;
10618     new_element3 = EL_MM_WOODEN_WALL;
10619   }
10620   else
10621   {
10622     new_element1 = EL_WALL;
10623     new_element2 = EL_EMPTY;
10624     new_element3 = EL_SAND;
10625   }
10626
10627   game_engine_type_last = level.game_engine_type;
10628 }
10629
10630 static void InitLevelSetInfo(void)
10631 {
10632   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10633            "%s", leveldir_current->name);
10634   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10635            "%s", leveldir_current->author);
10636
10637   levelset_num_levels = leveldir_current->levels;
10638
10639   levelset_use_levelset_artwork = FALSE;
10640   levelset_copy_level_template = FALSE;
10641
10642   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10643 }
10644
10645 static void ChangeEditorToLevelSet(char *levelset_subdir)
10646 {
10647   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10648
10649   // the previous level set might have used custom artwork
10650   ReloadCustomArtwork(0);
10651
10652   LoadLevelSetup_SeriesInfo();
10653
10654   SaveLevelSetup_LastSeries();
10655   SaveLevelSetup_SeriesInfo();
10656
10657   TapeErase();
10658
10659   LoadLevel(level_nr);
10660   LoadScore(level_nr);
10661
10662   DrawLevelEd();
10663 }
10664
10665 static boolean useEditorDoorAnimation(void)
10666 {
10667   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10668   boolean door_1_viewport_unchanged =
10669     (vp_door_1->x      == DX     &&
10670      vp_door_1->y      == DY     &&
10671      vp_door_1->width  == DXSIZE &&
10672      vp_door_1->height == DYSIZE);
10673   boolean door_1_contains_toolbox =
10674     (EX >= DX &&
10675      EY >= DY &&
10676      EX + EXSIZE <= DX + DXSIZE &&
10677      EY + EYSIZE <= DY + DYSIZE);
10678
10679   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10680 }
10681
10682 static void DrawEditorDoorBackground(int graphic, int x, int y,
10683                                      int width, int height)
10684 {
10685   struct GraphicInfo *g = &graphic_info[graphic];
10686
10687   if (g->bitmap != NULL)
10688     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10689                MIN(width, g->width), MIN(height, g->height), x, y);
10690   else
10691     ClearRectangle(drawto, x, y, width, height);
10692 }
10693
10694 static void DrawEditorDoorContent(void)
10695 {
10696   // needed for gadgets drawn on background (like palette scrollbar)
10697   SetDoorBackgroundImage(IMG_UNDEFINED);
10698
10699   // copy default editor door content to main double buffer
10700   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10701
10702   // draw bigger door
10703   DrawSpecialEditorDoor();
10704
10705   // draw new control window
10706   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10707
10708   // draw all toolbox gadgets to editor doors
10709   MapControlButtons();
10710
10711   // when returning from test game to properties page, redraw toolbox gadgets
10712   if (edit_mode == ED_MODE_PROPERTIES)
10713   {
10714     UnmapLevelEditorToolboxDrawingGadgets();
10715     UnmapLevelEditorToolboxCustomGadgets();
10716
10717     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10718   }
10719
10720   // draw all palette gadgets to editor doors
10721   ModifyEditorElementList();
10722   RedrawDrawingElements();
10723
10724   // copy actual editor door content to door double buffer for OpenDoor()
10725   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10726 }
10727
10728 void DrawLevelEd(void)
10729 {
10730   int fade_mask = REDRAW_FIELD;
10731
10732   FadeSoundsAndMusic();
10733
10734   if (CheckFadeAll())
10735     fade_mask = REDRAW_ALL;
10736
10737   FadeOut(fade_mask);
10738
10739   // needed if different viewport properties defined for editor
10740   ChangeViewportPropertiesIfNeeded();
10741
10742   ClearField();
10743
10744   InitZoomLevelSettings(-1);
10745   InitDrawingElements();
10746   InitLevelSetInfo();
10747
10748 #if DEBUG
10749   CheckElementDescriptions();
10750 #endif
10751
10752   if (level_editor_test_game)
10753   {
10754     CopyPlayfield(level.field, Tile);
10755     CopyPlayfield(TileBackup, level.field);
10756
10757     level_editor_test_game = FALSE;
10758   }
10759   else
10760   {
10761     edit_mode = ED_MODE_DRAWING;
10762     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10763     edit_mode_engineconfig = ED_MODE_ENGINECONFIG_CONFIG;
10764     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10765
10766     ResetUndoBuffer();
10767
10768     level_xpos = -1;
10769     level_ypos = -1;
10770   }
10771
10772   // redraw_mask |= REDRAW_ALL;
10773
10774   FreeLevelEditorGadgets();
10775   CreateLevelEditorGadgets();
10776
10777   ReinitializeElementList();            // update dynamic level element list
10778   ReinitializeElementListButtons();     // custom element may look different
10779
10780   InitElementPropertiesGfxElement();
10781
10782   UnmapAllGadgets();
10783
10784   DrawEditModeWindow_PlayfieldOnly();
10785
10786   DrawMaskedBorder(fade_mask);
10787
10788   // use door animation if door 1 viewport is unchanged and contains toolbox
10789   if (useEditorDoorAnimation())
10790   {
10791     FadeIn(fade_mask);
10792
10793     DrawEditorDoorContent();
10794
10795     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10796   }
10797   else
10798   {
10799     DrawEditorDoorContent();
10800
10801     FadeIn(fade_mask);
10802   }
10803
10804   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10805 }
10806
10807 static void AdjustDrawingAreaGadgets(void)
10808 {
10809   int ed_xsize = lev_fieldx + 2;
10810   int ed_ysize = lev_fieldy + 2;
10811   int max_ed_fieldx = MAX_ED_FIELDX;
10812   int max_ed_fieldy = MAX_ED_FIELDY;
10813   boolean horizontal_scrollbar_needed;
10814   boolean vertical_scrollbar_needed;
10815   int x, y, width, height;
10816
10817   if (suppressBorderElement())
10818   {
10819     ed_xsize = lev_fieldx;
10820     ed_ysize = lev_fieldy;
10821   }
10822
10823   // check if we need any scrollbars
10824   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10825   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10826
10827   // check if we have a smaller editor field because of scrollbars
10828   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10829   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10830
10831   // check again if we now need more scrollbars because of less space
10832   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10833   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10834
10835   // check if editor field gets even smaller after adding new scrollbars
10836   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10837   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10838
10839   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10840   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10841
10842   x = SX + ed_fieldx * ed_tilesize;
10843   y = SY + ed_fieldy * ed_tilesize;
10844
10845   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10846   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10847
10848   // adjust drawing area gadget
10849   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10850                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10851                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10852                GDI_END);
10853
10854   // adjust horizontal scrollbar gadgets
10855   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10856                GDI_Y, y,
10857                GDI_END);
10858   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10859                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10860                GDI_Y, y,
10861                GDI_END);
10862   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10863                GDI_Y, y,
10864                GDI_WIDTH, width,
10865                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10866                GDI_END);
10867
10868   // adjust vertical scrollbar gadgets
10869   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10870                GDI_X, x,
10871                GDI_END);
10872   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10873                GDI_X, x,
10874                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10875                GDI_END);
10876   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10877                GDI_X, x,
10878                GDI_HEIGHT, height,
10879                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10880                GDI_END);
10881 }
10882
10883 static void AdjustLevelScrollPosition(void)
10884 {
10885   if (level_xpos < -1)
10886     level_xpos = -1;
10887   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10888     level_xpos = lev_fieldx - ed_fieldx + 1;
10889   if (lev_fieldx < ed_fieldx - 2)
10890     level_xpos = -1;
10891
10892   if (level_ypos < -1)
10893     level_ypos = -1;
10894   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10895     level_ypos = lev_fieldy - ed_fieldy + 1;
10896   if (lev_fieldy < ed_fieldy - 2)
10897     level_ypos = -1;
10898
10899   if (suppressBorderElement())
10900   {
10901     level_xpos = 0;
10902     level_ypos = 0;
10903   }
10904 }
10905
10906 static void AdjustEditorScrollbar(int id)
10907 {
10908   struct GadgetInfo *gi = level_editor_gadget[id];
10909   int items_max, items_visible, item_position;
10910
10911   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10912   {
10913     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10914     items_visible = ed_fieldx;
10915     item_position = level_xpos + 1;
10916   }
10917   else
10918   {
10919     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10920     items_visible = ed_fieldy;
10921     item_position = level_ypos + 1;
10922   }
10923
10924   if (item_position > items_max - items_visible)
10925     item_position = items_max - items_visible;
10926
10927   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10928                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10929 }
10930
10931 static void AdjustElementListScrollbar(void)
10932 {
10933   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10934   int items_max, items_visible, item_position;
10935
10936   // correct position of element list scrollbar
10937   if (element_shift < 0)
10938     element_shift = 0;
10939   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10940     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10941
10942   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10943   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10944   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10945
10946   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10947                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10948                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10949 }
10950
10951 static void ModifyEditorCounterValue(int counter_id, int new_value)
10952 {
10953   int *counter_value = counterbutton_info[counter_id].value;
10954   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10955   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10956
10957   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10958
10959   if (counter_value != NULL)
10960     *counter_value = gi->textinput.number_value;
10961 }
10962
10963 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10964 {
10965   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10966   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10967
10968   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10969
10970   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10971       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10972   {
10973     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10974     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10975
10976     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10977     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10978                  GDI_END);
10979   }
10980 }
10981
10982 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10983 {
10984   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10985   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10986   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10987
10988   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10989 }
10990
10991 static void ModifyEditorSelectboxOptions(int selectbox_id,
10992                                          struct ValueTextInfo *options)
10993 {
10994   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10995   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10996
10997   selectbox_info[selectbox_id].options = options;
10998
10999   // set index to zero -- list may be shorter now (correct later, if needed)
11000   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
11001                GDI_SELECTBOX_OPTIONS, options, GDI_END);
11002 }
11003
11004 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
11005 {
11006   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
11007   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11008
11009   drawingarea_info[drawingarea_id].area_xsize = xsize;
11010   drawingarea_info[drawingarea_id].area_ysize = ysize;
11011
11012   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
11013 }
11014
11015 static void ModifyEditorElementList(void)
11016 {
11017   int i;
11018
11019   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
11020     return;
11021
11022   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11023   {
11024     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
11025     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11026     struct GadgetDesign *gd = &gi->deco.design;
11027     int element = editor_elements[element_shift + i];
11028     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
11029
11030     UnmapGadget(gi);
11031
11032     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
11033
11034     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
11035
11036     MapGadget(gi);
11037   }
11038 }
11039
11040 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
11041 {
11042   int graphic = el2edimg(element);
11043   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
11044
11045   if (pos->x == -1 &&
11046       pos->y == -1)
11047     return;
11048
11049   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
11050 }
11051
11052 static void ModifyDrawingElementButton(int element, int id)
11053 {
11054   struct GadgetInfo *gi = level_editor_gadget[id];
11055   Bitmap *deco_bitmap;
11056   int deco_x, deco_y;
11057   int tile_size = gi->deco.width;
11058
11059   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
11060
11061   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
11062 }
11063
11064 static void PickDrawingElement(int button, int element)
11065 {
11066   struct
11067   {
11068     int *new_element;
11069     struct XYTileSize *pos;
11070     int id;
11071   } de, drawing_elements[] =
11072   {
11073     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
11074     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
11075     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
11076   };
11077
11078   if (button < 1 || button > 3)
11079     return;
11080
11081   if (IS_MM_WALL(element))
11082     element = map_mm_wall_element(element);
11083
11084   de = drawing_elements[button - 1];
11085
11086   *de.new_element = element;    // update global drawing element variable
11087
11088   DrawDrawingElementGraphic(element, de.pos);
11089   ModifyDrawingElementButton(element, de.id);
11090
11091   redraw_mask |= REDRAW_DOOR_1;
11092 }
11093
11094 static void RedrawDrawingElements(void)
11095 {
11096   PickDrawingElement(1, new_element1);
11097   PickDrawingElement(2, new_element2);
11098   PickDrawingElement(3, new_element3);
11099 }
11100
11101 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
11102 {
11103   stick_element_properties_window = FALSE;
11104
11105   SetMainBackgroundImage(IMG_UNDEFINED);
11106   ClearField();
11107
11108   UnmapLevelEditorFieldGadgets();
11109
11110   AdjustDrawingAreaGadgets();
11111   AdjustLevelScrollPosition();
11112   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
11113   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
11114
11115   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11116
11117   MapMainDrawingArea();
11118
11119   if (remap_toolbox_gadgets)
11120   {
11121     UnmapLevelEditorToolboxCustomGadgets();
11122     MapLevelEditorToolboxDrawingGadgets();
11123   }
11124 }
11125
11126 static void DrawDrawingWindow(void)
11127 {
11128   DrawDrawingWindowExt(TRUE);
11129 }
11130
11131 static int getTabulatorBarWidth(void)
11132 {
11133   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11134   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
11135
11136   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
11137 }
11138
11139 static int getTabulatorBarHeight(void)
11140 {
11141   return ED_TAB_BAR_HEIGHT;
11142 }
11143
11144 static Pixel getTabulatorBarColor(void)
11145 {
11146   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
11147   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11148   int gd_x = gd->x + gd_gi1->border.width / 2;
11149   int gd_y = gd->y + gd_gi1->height - 1;
11150
11151   return GetPixel(gd->bitmap, gd_x, gd_y);
11152 }
11153
11154 static void DrawEngineConfigTabulatorGadgets(void)
11155 {
11156   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_ENGINECONFIG_CONFIG];
11157   Pixel tab_color = getTabulatorBarColor();
11158   int id_first = ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG;
11159   int id_last  = ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS;
11160   int i;
11161
11162   for (i = id_first; i <= id_last; i++)
11163   {
11164     int gadget_id = textbutton_info[i].gadget_id;
11165     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11166     boolean active = (i != edit_mode_engineconfig);
11167
11168     // draw background line below tabulator button
11169     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11170
11171     // draw solid line below inactive tabulator buttons
11172     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11173       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11174                     ED_GADGET_TINY_DISTANCE, tab_color);
11175
11176     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11177     MapTextbuttonGadget(i);
11178   }
11179
11180   // draw little border line below tabulator buttons
11181   if (tab_color != BLACK_PIXEL)                 // black => transparent
11182     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11183                   ED_GADGET_TINY_DISTANCE,
11184                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11185 }
11186
11187 static void DrawLevelConfigTabulatorGadgets(void)
11188 {
11189   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
11190   Pixel tab_color = getTabulatorBarColor();
11191   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
11192   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
11193   int i;
11194
11195   // draw additional "engine" tabulator when using native BD engine
11196   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
11197     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
11198
11199   for (i = id_first; i <= id_last; i++)
11200   {
11201     int gadget_id = textbutton_info[i].gadget_id;
11202     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11203     boolean active = (i != edit_mode_levelconfig);
11204
11205     // draw background line below tabulator button
11206     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11207
11208     // draw solid line below inactive tabulator buttons
11209     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11210       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11211                     ED_GADGET_TINY_DISTANCE, tab_color);
11212
11213     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11214     MapTextbuttonGadget(i);
11215   }
11216
11217   // draw little border line below tabulator buttons
11218   if (tab_color != BLACK_PIXEL)                 // black => transparent
11219     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11220                   ED_GADGET_TINY_DISTANCE,
11221                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11222
11223   // draw second row of engine related tabulators when using native BD engine
11224   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11225     DrawEngineConfigTabulatorGadgets();
11226 }
11227
11228 static void DrawPropertiesTabulatorGadgets(void)
11229 {
11230   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11231   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11232   int gd_x = gd->x + gd_gi1->border.width / 2;
11233   int gd_y = gd->y + gd_gi1->height - 1;
11234   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11235   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
11236   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
11237   int i;
11238
11239   // draw two config tabulators for player elements
11240   if (IS_PLAYER_ELEMENT(properties_element))
11241     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
11242
11243   // draw two config and one "change" tabulator for custom elements
11244   if (IS_CUSTOM_ELEMENT(properties_element))
11245     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
11246
11247   for (i = id_first; i <= id_last; i++)
11248   {
11249     int gadget_id = textbutton_info[i].gadget_id;
11250     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11251     boolean active = (i != edit_mode_properties);
11252
11253     // use "config 1" and "config 2" instead of "config" for players and CEs
11254     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
11255         (IS_PLAYER_ELEMENT(properties_element) ||
11256          IS_CUSTOM_ELEMENT(properties_element)))
11257       continue;
11258
11259     // draw background line below tabulator button
11260     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11261
11262     // draw solid line below inactive tabulator buttons
11263     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11264       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11265                     ED_GADGET_TINY_DISTANCE, tab_color);
11266
11267     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11268     MapTextbuttonGadget(i);
11269   }
11270
11271   // draw little border line below tabulator buttons
11272   if (tab_color != BLACK_PIXEL)                 // black => transparent
11273     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11274                   ED_GADGET_TINY_DISTANCE,
11275                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11276 }
11277
11278 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
11279 {
11280   DrawText(SX + xpos, SY + ypos, text, font_nr);
11281 }
11282
11283 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
11284                                            int xpos, int ypos)
11285 {
11286   int font_width = getFontWidth(font_nr);
11287   int font_height = getFontHeight(font_nr);
11288   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
11289   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
11290
11291   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
11292                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
11293                       TRUE, FALSE, FALSE);
11294 }
11295
11296 static void DrawLevelConfigLevel(void)
11297 {
11298   int i;
11299
11300   // draw counter gadgets
11301   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
11302     MapCounterButtons(i);
11303
11304   // draw checkbutton gadgets
11305   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
11306     MapCheckbuttonGadget(i);
11307
11308   // draw selectbox gadgets
11309   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
11310     MapSelectboxGadget(i);
11311
11312   // draw text input gadgets
11313   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
11314     MapTextInputGadget(i);
11315 }
11316
11317 static char *getLevelSubdirFromSaveMode(int save_mode)
11318 {
11319   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
11320     return getNewUserLevelSubdir();
11321
11322   return leveldir_current->subdir;
11323 }
11324
11325 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
11326 {
11327   char *directory_text = "Level set directory:";
11328   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
11329   int font1_nr = FONT_TEXT_1;
11330   int font2_nr = FONT_TEXT_2;
11331   int font1_height = getFontHeight(font1_nr);
11332   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
11333   int x = ED_LEVEL_SETTINGS_X(0);
11334   int y = ED_LEVEL_SETTINGS_Y(6);
11335
11336   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
11337   PrintInfoText(directory_name, font2_nr, x, y);
11338 }
11339
11340 static void DrawLevelConfigLevelSet(void)
11341 {
11342   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
11343   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
11344   int i;
11345
11346   // draw counter gadgets
11347   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
11348     MapCounterButtons(i);
11349
11350   // draw checkbutton gadgets
11351   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
11352   {
11353     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
11354         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
11355         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
11356       continue;
11357
11358     MapCheckbuttonGadget(i);
11359   }
11360
11361   // draw selectbox gadgets
11362   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
11363     MapSelectboxGadget(i);
11364
11365   // draw text input gadgets
11366   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
11367     MapTextInputGadget(i);
11368
11369   // draw textbutton gadgets
11370   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
11371
11372   // draw info text
11373   DrawLevelConfigLevelSet_DirectoryInfo();
11374 }
11375
11376 static void DrawLevelConfigEditor(void)
11377 {
11378   int i;
11379
11380   // draw counter gadgets
11381   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
11382     MapCounterButtons(i);
11383
11384   // draw checkbutton gadgets
11385   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
11386     MapCheckbuttonGadget(i);
11387
11388   // draw radiobutton gadgets
11389   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
11390     MapRadiobuttonGadget(i);
11391
11392   // draw drawing area
11393   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
11394
11395   // draw textbutton gadgets
11396   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
11397 }
11398
11399 static void DrawEngineConfigConfig(void)
11400 {
11401   int i;
11402
11403   // draw counter gadgets
11404   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
11405   {
11406     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
11407     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
11408   }
11409   else
11410   {
11411     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
11412     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
11413   }
11414
11415   // draw checkbutton gadgets
11416   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
11417     MapCheckbuttonGadget(i);
11418
11419   // draw selectbox gadgets
11420   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
11421     MapSelectboxGadget(i);
11422 }
11423
11424 static boolean CheckLevelColorsRGB_BD(void)
11425 {
11426   boolean rgb_colors = FALSE;
11427   int i;
11428
11429   // check if any level color is not a C64-style color index
11430   for (i = 0; i < MAX_BD_COLORS; i++)
11431     if (!gd_color_is_c64(*bd_color[i]))
11432       rgb_colors = TRUE;
11433
11434   return rgb_colors;
11435 }
11436
11437 void SetDefaultLevelColorType_BD(void)
11438 {
11439   level.bd_color_type = (CheckLevelColorsRGB_BD() ? GD_COLOR_TYPE_RGB : GD_COLOR_TYPE_C64);
11440 }
11441
11442 void SetDefaultLevelColors_BD(void)
11443 {
11444   int i;
11445
11446   // only set default colors if C64 style palette
11447   if (level.bd_color_type == GD_COLOR_TYPE_C64)
11448     for (i = 0; i < MAX_BD_COLORS; i++)
11449       bd_color_default[i] = *bd_color[i];
11450 }
11451
11452 static void DrawEngineConfigColors(void)
11453 {
11454   int i;
11455
11456   if (bd_color_type_changed)
11457   {
11458     if (level.bd_color_type == GD_COLOR_TYPE_C64 && CheckLevelColorsRGB_BD())
11459     {
11460       // color palette switched to C64 colors, but using RGB colors => reset to defaults
11461       for (i = 0; i < MAX_BD_COLORS; i++)
11462         *bd_color[i] = bd_color_default[i];
11463     }
11464
11465     bd_color_type_changed = FALSE;
11466   }
11467
11468   // copy level colors to either C64-style color index or RGB color value
11469   for (i = 0; i < MAX_BD_COLORS; i++)
11470   {
11471     if (level.bd_color_type == GD_COLOR_TYPE_RGB)
11472       snprintf(bd_color_rgb[i], sizeof(bd_color_rgb[i]), "#%06x", gd_color_get_rgb(*bd_color[i]));
11473     else
11474       bd_color_c64[i] = *bd_color[i] & 0x0f;
11475   }
11476
11477   MapSelectboxGadget(ED_SELECTBOX_ID_BD_COLOR_TYPE);
11478
11479   if (level.bd_color_type == GD_COLOR_TYPE_RGB)
11480   {
11481     // draw text input gadgets
11482     for (i = ED_TEXTINPUT_ID_COLORS_FIRST; i <= ED_TEXTINPUT_ID_COLORS_LAST; i++)
11483       MapTextInputGadget(i);
11484   }
11485   else
11486   {
11487     // draw selectbox gadgets
11488     for (i = ED_SELECTBOX_ID_COLORS_FIRST; i <= ED_SELECTBOX_ID_COLORS_LAST; i++)
11489       MapSelectboxGadget(i);
11490   }
11491
11492   MapTextbuttonGadget(ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS);
11493 }
11494
11495 static void DrawLevelConfigEngine(void)
11496 {
11497   if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_CONFIG)
11498     DrawEngineConfigConfig();
11499   else if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_COLORS)
11500     DrawEngineConfigColors();
11501 }
11502
11503 static void DrawLevelConfigWindow(void)
11504 {
11505   char *text = "Global Settings";
11506   int font_nr = FONT_TITLE_1;
11507   struct MenuPosInfo *pos = &editor.settings.headline;
11508   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
11509   int sy = SY + pos->y;
11510
11511   stick_element_properties_window = FALSE;
11512
11513   SetAutomaticNumberOfGemsNeeded();
11514
11515   UnmapLevelEditorFieldGadgets();
11516
11517   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11518   ClearField();
11519
11520   DrawText(sx, sy, text, font_nr);
11521
11522   DrawLevelConfigTabulatorGadgets();
11523
11524   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
11525     DrawLevelConfigLevel();
11526   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
11527     DrawLevelConfigLevelSet();
11528   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
11529     DrawLevelConfigEditor();
11530   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11531     DrawLevelConfigEngine();
11532 }
11533
11534 static void DrawCustomContentArea(void)
11535 {
11536   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11537   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11538   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11539   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11540   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11541   int xoffset = ED_GADGET_SPACE_DISTANCE;
11542
11543   // add distance for potential left text (without drawing area border)
11544   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11545
11546   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11547
11548   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11549 }
11550
11551 static void DrawCustomChangeContentArea(void)
11552 {
11553   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11554   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11555   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11556   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11557   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11558   int xoffset = ED_GADGET_SPACE_DISTANCE;
11559
11560   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11561
11562   MapDrawingArea(id);
11563 }
11564
11565 static void RemoveElementContentArea(int id, int font_height)
11566 {
11567   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11568
11569   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11570                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11571                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11572                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11573                  ED_GADGET_TEXT_DISTANCE + font_height);
11574 }
11575
11576 static void DrawYamYamContentAreas(void)
11577 {
11578   int font_nr = FONT_TEXT_1;
11579   int font_height = getFontHeight(font_nr);
11580   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11581   int yoffset = (tilesize - font_height) / 2;
11582   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11583   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11584   int i;
11585
11586   // display counter to choose number of element content areas
11587   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11588
11589   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11590   {
11591     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11592
11593     if (i < level.num_yamyam_contents)
11594     {
11595       MapDrawingArea(id);
11596     }
11597     else
11598     {
11599       UnmapDrawingArea(id);
11600
11601       // delete content areas in case of reducing number of them
11602       RemoveElementContentArea(id, font_height);
11603     }
11604   }
11605
11606   DrawText(x, y + 0 * tilesize, "content", font_nr);
11607   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11608   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11609 }
11610
11611 static void DrawMagicBallContentAreas(void)
11612 {
11613   int font_nr = FONT_TEXT_1;
11614   int font_height = getFontHeight(font_nr);
11615   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11616   int yoffset = (tilesize - font_height) / 2;
11617   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11618   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11619   int i;
11620
11621   // display counter to choose number of element content areas
11622   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11623
11624   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11625   {
11626     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11627
11628     if (i < level.num_ball_contents)
11629     {
11630       MapDrawingArea(id);
11631     }
11632     else
11633     {
11634       UnmapDrawingArea(id);
11635
11636       // delete content areas in case of reducing number of them
11637       RemoveElementContentArea(id, font_height);
11638     }
11639   }
11640
11641   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11642   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11643   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11644 }
11645
11646 static void DrawAndroidElementArea(void)
11647 {
11648   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11649   int num_elements = level.num_android_clone_elements;
11650   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11651   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11652   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11653   int xsize = MAX_ANDROID_ELEMENTS;
11654   int ysize = 1;
11655
11656   // display counter to choose number of element areas
11657   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11658
11659   if (drawingarea_info[id].text_left != NULL)
11660     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11661
11662   UnmapDrawingArea(id);
11663
11664   ModifyEditorDrawingArea(id, num_elements, 1);
11665
11666   // delete content areas in case of reducing number of them
11667   DrawBackground(sx, sy,
11668                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11669                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11670
11671   MapDrawingArea(id);
11672 }
11673
11674 static void DrawGroupElementArea(void)
11675 {
11676   int id = ED_DRAWING_ID_GROUP_CONTENT;
11677   int num_elements = group_element_info.num_elements;
11678   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11679   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11680   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11681   int xsize = MAX_ELEMENTS_IN_GROUP;
11682   int ysize = 1;
11683
11684   if (drawingarea_info[id].text_left != NULL)
11685     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11686
11687   UnmapDrawingArea(id);
11688
11689   ModifyEditorDrawingArea(id, num_elements, 1);
11690
11691   // delete content areas in case of reducing number of them
11692   DrawBackground(sx, sy,
11693                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11694                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11695
11696   MapDrawingArea(id);
11697 }
11698
11699 static void DrawPlayerInitialInventoryArea(int element)
11700 {
11701   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11702   int player_nr = GET_PLAYER_NR(element);
11703   int num_elements = level.initial_inventory_size[player_nr];
11704   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11705   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11706   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11707   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11708   int ysize = 1;
11709
11710   // determine horizontal position to the right of specified gadget
11711   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11712     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11713           ED_DRAWINGAREA_TEXT_DISTANCE);
11714
11715   // determine horizontal offset for leading text
11716   if (drawingarea_info[id].text_left != NULL)
11717     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11718
11719   UnmapDrawingArea(id);
11720
11721   ModifyEditorDrawingArea(id, num_elements, 1);
11722
11723   // delete content areas in case of reducing number of them
11724   DrawBackground(sx, sy,
11725                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11726                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11727
11728   MapDrawingArea(id);
11729 }
11730
11731 static void DrawMMBallContentArea(void)
11732 {
11733   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11734   int num_elements = level.num_mm_ball_contents;
11735   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11736   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11737   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11738   int xsize = MAX_MM_BALL_CONTENTS;
11739   int ysize = 1;
11740
11741   if (drawingarea_info[id].text_left != NULL)
11742     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11743
11744   UnmapDrawingArea(id);
11745
11746   ModifyEditorDrawingArea(id, num_elements, 1);
11747
11748   // delete content areas in case of reducing number of them
11749   DrawBackground(sx, sy,
11750                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11751                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11752
11753   MapDrawingArea(id);
11754 }
11755
11756 static void DrawEnvelopeTextArea(int envelope_nr)
11757 {
11758   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11759   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11760
11761   UnmapGadget(gi);
11762
11763   DrawBackground(gi->x, gi->y,
11764                  gi->textarea.crop_width, gi->textarea.crop_height);
11765
11766   if (envelope_nr != -1)
11767     textarea_info[id].value = level.envelope[envelope_nr].text;
11768
11769   ModifyGadget(gi, GDI_AREA_SIZE,
11770                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11771                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11772                GDI_END);
11773
11774   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11775 }
11776
11777 static void DrawPropertiesInfo(void)
11778 {
11779   static struct
11780   {
11781     int value;
11782     char *text;
11783   }
11784   properties[] =
11785   {
11786     // configurable properties
11787
11788     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11789     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11790     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11791     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11792     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11793     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11794     { EP_PROTECTED,             "- player is protected by it"           },
11795
11796     { EP_DIGGABLE,              "- can be digged away"                  },
11797     { EP_COLLECTIBLE,           "- can be collected"                    },
11798     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11799     { EP_THROWABLE,             "- can be thrown after collecting"      },
11800     { EP_PUSHABLE,              "- can be pushed"                       },
11801
11802     { EP_CAN_FALL,              "- can fall"                            },
11803     { EP_CAN_MOVE,              "- can move"                            },
11804
11805     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11806 #if 0
11807     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11808 #endif
11809     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11810
11811     { EP_SLIPPERY,              "- slippery for falling elements"       },
11812     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11813
11814     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11815     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11816     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11817     { EP_DONT_TOUCH,            "- deadly when touching"                },
11818
11819     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11820
11821     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11822     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11823     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11824
11825     { EP_CAN_CHANGE,            "- can change to other element"         },
11826
11827     // pre-defined properties
11828     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11829     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11830     { EP_SWITCHABLE,            "- can be switched"                     },
11831 #if 0
11832     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11833 #endif
11834
11835     { -1,                       NULL                                    }
11836   };
11837   char *filename = getElementDescriptionFilename(properties_element);
11838   char *num_elements_text = "In this level: ";
11839   char *num_similar_text = "Similar tiles: ";
11840   char *properties_text = "Standard properties: ";
11841   char *description_text = "Description:";
11842   char *no_description_text = "No description available.";
11843   char *none_text = "None";
11844   float percentage;
11845   int num_elements_in_level = 0;
11846   int num_similar_in_level = 0;
11847   int num_hires_tiles_in_level = 0;
11848   int num_standard_properties = 0;
11849   int font1_nr = FONT_TEXT_1;
11850   int font2_nr = FONT_TEXT_2;
11851   int font1_width = getFontWidth(font1_nr);
11852   int font1_height = getFontHeight(font1_nr);
11853   int font2_height = getFontHeight(font2_nr);
11854   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11855   int font2_yoffset = (font1_height - font2_height) / 2;
11856   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11857   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11858   int properties_text_len = strlen(properties_text) * font1_width;
11859   int xpos = ED_ELEMENT_SETTINGS_X(0);
11860   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11861   int i, x, y;
11862
11863   if (setup.editor.show_element_token)
11864   {
11865     int font3_nr = FONT_TEXT_3;
11866     int font3_height = getFontHeight(font3_nr);
11867
11868     DrawTextF(xpos, ypos, font3_nr,
11869               "[%s]", element_info[properties_element].token_name);
11870
11871     ypos += 2 * font3_height;
11872   }
11873
11874   // ----- print number of elements / percentage of this element in level
11875
11876   for (y = 0; y < lev_fieldy; y++)
11877   {
11878     for (x = 0; x < lev_fieldx; x++)
11879     {
11880       if (Tile[x][y] == properties_element)
11881       {
11882         num_elements_in_level++;
11883       }
11884       else if (IS_MM_WALL(Tile[x][y]) &&
11885                map_mm_wall_element(Tile[x][y]) == properties_element)
11886       {
11887         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11888       }
11889     }
11890   }
11891
11892   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11893
11894   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11895
11896   if (num_hires_tiles_in_level > 0)
11897     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11898               "%d wall tiles", num_hires_tiles_in_level);
11899   else if (num_elements_in_level > 0)
11900     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11901               "%d (%.2f %%)", num_elements_in_level, percentage);
11902   else
11903     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11904               none_text);
11905
11906   // ----- print number of similar elements / percentage of them in level
11907
11908   for (y = 0; y < lev_fieldy; y++)
11909   {
11910     for (x = 0; x < lev_fieldx; x++)
11911     {
11912       if (strEqual(element_info[Tile[x][y]].class_name,
11913                    element_info[properties_element].class_name))
11914       {
11915         num_similar_in_level++;
11916       }
11917     }
11918   }
11919
11920   if (num_similar_in_level != num_elements_in_level)
11921   {
11922     ypos += 1 * MAX(font1_height, font2_height);
11923
11924     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11925
11926     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11927
11928     if (num_similar_in_level > 0)
11929       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11930                 "%d (%.2f %%)", num_similar_in_level, percentage);
11931     else
11932       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11933                 none_text);
11934   }
11935
11936   ypos += 2 * MAX(font1_height, font2_height);
11937
11938   // ----- print standard properties of this element
11939
11940   DrawTextS(xpos, ypos, font1_nr, properties_text);
11941
11942   ypos += line1_height;
11943
11944   for (i = 0; properties[i].value != -1; i++)
11945   {
11946     if (!HAS_PROPERTY(properties_element, properties[i].value))
11947       continue;
11948
11949     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11950
11951     ypos += font2_height;
11952
11953     num_standard_properties++;
11954   }
11955
11956   if (num_standard_properties == 0)
11957   {
11958     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11959               font2_nr, none_text);
11960
11961     ypos -= (line1_height - font1_height);
11962   }
11963
11964   ypos += MAX(font1_height, font2_height);
11965
11966   // ----- print special description of this element
11967
11968   PrintInfoText(description_text, font1_nr, xpos, ypos);
11969
11970   ypos += line1_height;
11971
11972   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11973     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11974 }
11975
11976 #define TEXT_COLLECTING                 "Score for collecting"
11977 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11978 #define TEXT_SMASHING                   "Score for smashing"
11979 #define TEXT_SLURPING                   "Score for slurping robot"
11980 #define TEXT_CRACKING                   "Score for cracking"
11981 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11982 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11983 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11984 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11985 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11986 #define TEXT_DURATION                   "Duration when activated"
11987 #define TEXT_DELAY_ON                   "Delay before activating"
11988 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11989 #define TEXT_DELAY_CHANGING             "Delay before changing"
11990 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11991 #define TEXT_DELAY_MOVING               "Delay before moving"
11992 #define TEXT_BALL_DELAY                 "Element generation delay"
11993 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11994 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11995 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11996 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11997 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11998 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11999 #define TEXT_TIME_BONUS                 "Extra time to solve level"
12000 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
12001 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
12002 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
12003 #define TEXT_RANDOM_SEED                "slime random number seed"
12004 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
12005 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
12006 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
12007 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
12008 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
12009 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
12010 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
12011 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
12012 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
12013
12014 static struct
12015 {
12016   int element;
12017   int *value;
12018   char *text;
12019   int min_value;
12020   int max_value;
12021 } elements_with_counter[] =
12022 {
12023   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12024   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12025   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
12026   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12027   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12028   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12029   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12030   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
12031   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
12032   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
12033   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
12034   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
12035   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
12036   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
12037   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
12038   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
12039   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
12040   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
12041   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
12042   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
12043   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
12044   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12045   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12046   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12047   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12048   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12049   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12050   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12051   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12052   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12053   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12054   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
12055   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12056   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12057   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12058   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12059   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12060   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
12061   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
12062   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
12063   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
12064   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
12065   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
12066   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
12067   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
12068   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12069   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12070   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12071   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12072   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
12073   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
12074   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
12075   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
12076   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12077   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12078   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12079   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
12080   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12081   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12082   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12083   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
12084   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12085   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12086   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12087   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
12088   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
12089   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12090   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
12091   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
12092   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
12093   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
12094   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
12095   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
12096   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
12097   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
12098   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12099   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12100   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12101   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12102   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
12103   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
12104   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
12105   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
12106                                 0, 100                                                          },
12107   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
12108                                 0, 100                                                          },
12109   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
12110   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
12111   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
12112                                 0, 100                                                          },
12113   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
12114                                 0, 100                                                          },
12115   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
12116   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
12117   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
12118   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
12119   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
12120   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
12121   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
12122   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
12123   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
12124   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
12125   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
12126                                 -100, 100                                                       },
12127   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
12128                                 0, 100                                                          },
12129   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
12130                                 0, 100                                                          },
12131   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
12132                                 0, 255                                                          },
12133   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
12134                                 -1, 65535                                                       },
12135   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
12136                                 0, 100                                                          },
12137   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12138                                 0, 3                                                            },
12139   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12140                                 0, 3                                                            },
12141   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12142                                 0, 3                                                            },
12143   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12144                                 0, 3                                                            },
12145   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
12146                                 0, 3                                                            },
12147   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
12148                                 0, 100                                                          },
12149   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
12150                                 1, 100                                                          },
12151   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
12152                                 1, 200                                                          },
12153   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
12154                                 0, 50                                                           },
12155   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
12156                                 0, 50                                                           },
12157   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
12158                                 0, 10                                                           },
12159   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
12160   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
12161                                 1, 60                                                           },
12162   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
12163   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
12164   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
12165   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
12166   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
12167   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
12168   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
12169   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
12170   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
12171   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
12172   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
12173   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
12174   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
12175   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
12176   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
12177   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
12178   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
12179   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
12180   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
12181   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
12182   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
12183   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
12184   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
12185   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
12186   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
12187
12188   { -1,                         NULL,                                   NULL                    }
12189 };
12190
12191 static boolean checkPropertiesConfig(int element)
12192 {
12193   int i;
12194
12195   // special case: empty space customization only available in R'n'D game engine
12196   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
12197     return FALSE;
12198
12199   // special case: BD style rock customization only available in BD game engine
12200   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12201     return FALSE;
12202
12203   if (IS_GEM(element) ||
12204       IS_CUSTOM_ELEMENT(element) ||
12205       IS_GROUP_ELEMENT(element) ||
12206       IS_EMPTY_ELEMENT(element) ||
12207       IS_BALLOON_ELEMENT(element) ||
12208       IS_ENVELOPE(element) ||
12209       IS_MM_ENVELOPE(element) ||
12210       IS_MM_MCDUFFIN(element) ||
12211       IS_DF_LASER(element) ||
12212       IS_PLAYER_ELEMENT(element) ||
12213       IS_BD_PLAYER_ELEMENT(element) ||
12214       IS_BD_FIREFLY(properties_element) ||
12215       IS_BD_FIREFLY_2(properties_element) ||
12216       IS_BD_BUTTERFLY(properties_element) ||
12217       IS_BD_BUTTERFLY_2(properties_element) ||
12218       IS_BD_STONEFLY(properties_element) ||
12219       IS_BD_DRAGONFLY(properties_element) ||
12220       IS_BD_EXPANDABLE_WALL(properties_element) ||
12221       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
12222       IS_BD_CONVEYOR_BELT(properties_element) ||
12223       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
12224       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
12225       HAS_EDITOR_CONTENT(element) ||
12226       CAN_GROW(element) ||
12227       COULD_MOVE_INTO_ACID(element) ||
12228       MAYBE_DONT_COLLIDE_WITH(element) ||
12229       element == EL_BD_SAND ||
12230       element == EL_BD_ROCK ||
12231       element == EL_BD_MEGA_ROCK ||
12232       element == EL_BD_BOMB ||
12233       element == EL_BD_ROCKET_LAUNCHER ||
12234       element == EL_BD_NITRO_PACK ||
12235       element == EL_BD_SWEET ||
12236       element == EL_BD_VOODOO_DOLL ||
12237       element == EL_BD_WATER ||
12238       element == EL_BD_GRAVITY_SWITCH)
12239   {
12240     return TRUE;
12241   }
12242   else
12243   {
12244     for (i = 0; elements_with_counter[i].element != -1; i++)
12245       if (elements_with_counter[i].element == element)
12246         return TRUE;
12247   }
12248
12249   return FALSE;
12250 }
12251
12252 static void SetAutomaticNumberOfGemsNeeded(void)
12253 {
12254   int x, y;
12255
12256   if (!level.auto_count_gems)
12257     return;
12258
12259   level.gems_needed = 0;
12260
12261   for (x = 0; x < lev_fieldx; x++)
12262   {
12263     for (y = 0; y < lev_fieldy; y++)
12264     {
12265       int element = Tile[x][y];
12266
12267       switch (element)
12268       {
12269         case EL_EMERALD:
12270         case EL_EMERALD_YELLOW:
12271         case EL_EMERALD_RED:
12272         case EL_EMERALD_PURPLE:
12273         case EL_BD_DIAMOND:
12274         case EL_WALL_EMERALD:
12275         case EL_WALL_EMERALD_YELLOW:
12276         case EL_WALL_EMERALD_RED:
12277         case EL_WALL_EMERALD_PURPLE:
12278         case EL_WALL_BD_DIAMOND:
12279         case EL_NUT:
12280         case EL_SP_INFOTRON:
12281         case EL_MM_KETTLE:
12282         case EL_DF_CELL:
12283           level.gems_needed++;
12284           break;
12285
12286         case EL_DIAMOND:
12287         case EL_WALL_DIAMOND:
12288           level.gems_needed += 3;
12289           break;
12290
12291         case EL_PEARL:
12292         case EL_WALL_PEARL:
12293           level.gems_needed += 5;
12294           break;
12295
12296         case EL_CRYSTAL:
12297         case EL_WALL_CRYSTAL:
12298           level.gems_needed += 8;
12299           break;
12300
12301         default:
12302           break;
12303       }
12304     }
12305   }
12306
12307   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
12308 }
12309
12310 static void DrawPropertiesConfig(void)
12311 {
12312   boolean draw_footer_line = FALSE;
12313   int max_num_element_counters = 4;
12314   int num_element_counters = 0;
12315   int i;
12316
12317   if (!checkPropertiesConfig(properties_element))
12318   {
12319     int xpos = ED_ELEMENT_SETTINGS_X(0);
12320     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
12321
12322     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
12323
12324     return;
12325   }
12326
12327   // check if there are elements where a value can be chosen for
12328   for (i = 0; elements_with_counter[i].element != -1; i++)
12329   {
12330     if (elements_with_counter[i].element != properties_element)
12331       continue;
12332
12333     // special case: score for extra diamonds only available in BD game engine
12334     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
12335         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
12336         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12337       continue;
12338
12339     // special case: some amoeba counters only available in BD 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     // special case: score for smashing only available in R'n'D game engine
12346     if ((IS_BD_FIREFLY(elements_with_counter[i].element) ||
12347          IS_BD_BUTTERFLY(elements_with_counter[i].element)) &&
12348         (elements_with_counter[i].value == &level.score[SC_BUG] ||
12349          elements_with_counter[i].value == &level.score[SC_SPACESHIP]) &&
12350         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12351       continue;
12352
12353     // special case: some amoeba counters only available in R'n'D game engine
12354     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12355         elements_with_counter[i].value == &level.amoeba_speed &&
12356         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12357       continue;
12358
12359     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
12360
12361     counterbutton_info[counter_id].y =
12362       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
12363                                (CAN_GROW(properties_element)                ? 1 : 0) +
12364                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
12365                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
12366                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
12367                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
12368                                (properties_element == EL_BD_ACID            ? 1 : 0) +
12369                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
12370                                (properties_element == EL_BD_CREATURE_SWITCH ? 1 : 0) +
12371                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
12372                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
12373                                num_element_counters);
12374
12375     // special case: set magic wall counter for BD game engine separately
12376     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12377       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
12378
12379     // special case: set amoeba counters for BD game engine separately
12380     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
12381         (properties_element == EL_BD_AMOEBA_2))
12382       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
12383
12384     // special case: set position for delay counter for reappearing hammered walls
12385     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
12386       counterbutton_info[counter_id].y += 1;
12387
12388     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
12389     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
12390     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
12391     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
12392
12393     // default: counter values between 0 and 999
12394     if (counterbutton_info[counter_id].max_value == 0)
12395       counterbutton_info[counter_id].max_value = 999;
12396
12397     MapCounterButtons(counter_id);
12398
12399     num_element_counters++;
12400     if (num_element_counters >= max_num_element_counters)
12401       break;
12402   }
12403
12404   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12405   {
12406     // draw stickybutton gadget
12407     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12408
12409     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE);
12410     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
12411     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
12412     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN);
12413
12414     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
12415     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
12416     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
12417     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
12418     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
12419     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
12420     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
12421   }
12422
12423   if (HAS_EDITOR_CONTENT(properties_element))
12424   {
12425     // draw stickybutton gadget
12426     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12427
12428     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12429     {
12430       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12431       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12432
12433       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
12434       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
12435     }
12436     else if (properties_element == EL_BD_AMOEBA_2)
12437     {
12438       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12439       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12440       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
12441
12442       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
12443       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
12444       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
12445       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
12446     }
12447     else if (IS_AMOEBOID(properties_element))
12448     {
12449       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
12450     }
12451     else if (properties_element == EL_BD_ACID)
12452     {
12453       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
12454       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
12455     }
12456     else if (IS_BD_BITER(properties_element))
12457     {
12458       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
12459     }
12460     else if (properties_element == EL_BD_BLADDER)
12461     {
12462       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
12463     }
12464     else if (properties_element == EL_YAMYAM ||
12465              properties_element == EL_YAMYAM_LEFT ||
12466              properties_element == EL_YAMYAM_RIGHT ||
12467              properties_element == EL_YAMYAM_UP ||
12468              properties_element == EL_YAMYAM_DOWN)
12469     {
12470       DrawYamYamContentAreas();
12471     }
12472     else if (properties_element == EL_EMC_MAGIC_BALL)
12473     {
12474       DrawMagicBallContentAreas();
12475
12476       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
12477       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
12478     }
12479     else if (properties_element == EL_EMC_ANDROID)
12480     {
12481       DrawAndroidElementArea();
12482     }
12483     else if (properties_element == EL_MM_GRAY_BALL)
12484     {
12485       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
12486       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
12487       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
12488       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
12489
12490       DrawMMBallContentArea();
12491     }
12492   }
12493
12494   if (IS_PLAYER_ELEMENT(properties_element))
12495   {
12496     int player_nr = GET_PLAYER_NR(properties_element);
12497
12498     // these properties can be set for every player individually
12499
12500     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12501     {
12502       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
12503         &level.start_element[player_nr];
12504       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
12505         &level.artwork_element[player_nr];
12506       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
12507         &level.explosion_element[player_nr];
12508
12509       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
12510         &level.use_start_element[player_nr];
12511       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
12512         &level.use_artwork_element[player_nr];
12513       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
12514         &level.use_explosion_element[player_nr];
12515       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
12516         &level.initial_player_gravity[player_nr];
12517
12518       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
12519         &level.initial_player_stepsize[player_nr];
12520
12521       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
12522       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
12523                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
12524                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
12525       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
12526       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
12527       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
12528       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
12529       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
12530       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
12531       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
12532       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
12533       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
12534       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
12535       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
12536
12537       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
12538       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
12539       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
12540
12541       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
12542     }
12543     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12544     {
12545       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
12546         &level.initial_inventory_content[player_nr][0];
12547
12548       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12549         &level.initial_inventory_size[player_nr];
12550
12551       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12552         &level.use_initial_inventory[player_nr];
12553
12554       // draw checkbutton gadgets
12555       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12556       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12557       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12558
12559       // draw counter gadgets
12560       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12561
12562       // draw drawing area gadgets
12563       DrawPlayerInitialInventoryArea(properties_element);
12564     }
12565   }
12566
12567   if (IS_BD_PLAYER_ELEMENT(properties_element))
12568   {
12569     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12570       ED_ELEMENT_SETTINGS_YPOS(2);
12571     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12572       ED_ELEMENT_SETTINGS_YPOS(3);
12573     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12574       ED_ELEMENT_SETTINGS_YPOS(4);
12575
12576     // draw checkbutton gadgets
12577     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12578     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12579     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12580
12581     // draw counter gadgets
12582     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12583     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12584
12585     // draw drawing area gadgets
12586     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12587   }
12588
12589   if (properties_element == EL_BD_SAND)
12590   {
12591     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12592   }
12593
12594   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12595   {
12596     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12597       ED_ELEMENT_SETTINGS_YPOS(0);
12598     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12599       ED_ELEMENT_SETTINGS_YPOS(1);
12600
12601     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12602     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12603
12604     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12605     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12606   }
12607
12608   if (properties_element == EL_BD_DIAMOND && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12609   {
12610     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12611     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12612   }
12613
12614   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12615   {
12616     if (IS_BD_FIREFLY(properties_element))
12617     {
12618       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO);
12619       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12620     }
12621     else if (IS_BD_FIREFLY_2(properties_element))
12622     {
12623       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12624       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12625     }
12626     else if (IS_BD_BUTTERFLY(properties_element))
12627     {
12628       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO);
12629       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12630     }
12631     else if (IS_BD_BUTTERFLY_2(properties_element))
12632     {
12633       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12634       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12635     }
12636     else if (IS_BD_STONEFLY(properties_element))
12637     {
12638       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12639     }
12640     else if (IS_BD_DRAGONFLY(properties_element))
12641     {
12642       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12643       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12644     }
12645     else if (properties_element == EL_BD_BOMB)
12646     {
12647       MapDrawingArea(ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO);
12648     }
12649     else if (properties_element == EL_BD_NITRO_PACK)
12650     {
12651       MapDrawingArea(ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO);
12652     }
12653   }
12654
12655   if (properties_element == EL_BD_MEGA_ROCK ||
12656       properties_element == EL_BD_SWEET)
12657   {
12658     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12659       ED_ELEMENT_SETTINGS_YPOS(0);
12660     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12661       ED_ELEMENT_SETTINGS_YPOS(1);
12662
12663     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12664     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12665   }
12666
12667   if (properties_element == EL_BD_VOODOO_DOLL)
12668   {
12669     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12670     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12671     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12672     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12673   }
12674
12675   if (properties_element == EL_BD_SLIME)
12676   {
12677     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12678
12679     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12680     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12681     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12682     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12683     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12684     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12685   }
12686
12687   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
12688       IS_BD_EXPANDABLE_STEELWALL(properties_element))
12689   {
12690     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12691
12692     if (IS_BD_EXPANDABLE_WALL(properties_element))
12693       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12694   }
12695
12696   if (properties_element == EL_BD_REPLICATOR)
12697   {
12698     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12699   }
12700
12701   if (IS_BD_CONVEYOR_BELT(properties_element) ||
12702       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
12703   {
12704     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12705     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12706   }
12707
12708   if (properties_element == EL_BD_WATER)
12709   {
12710     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12711   }
12712
12713   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12714   {
12715     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12716   }
12717
12718   if (properties_element == EL_BD_ROCKET_LAUNCHER)
12719   {
12720     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS);
12721   }
12722
12723   if (properties_element == EL_BD_CREATURE_SWITCH)
12724   {
12725     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12726     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12727   }
12728
12729   if (properties_element == EL_BD_GRAVITY_SWITCH)
12730   {
12731     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12732
12733     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12734     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12735   }
12736
12737   if (properties_element == EL_BD_NUT)
12738   {
12739     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12740   }
12741
12742   // special case: slippery walls option for gems only available in R'n'D game engine
12743   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12744     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12745
12746   if (properties_element == EL_EM_DYNAMITE)
12747     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12748
12749   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12750       COULD_MOVE_INTO_ACID(properties_element) &&
12751       !IS_PLAYER_ELEMENT(properties_element) &&
12752       (!IS_CUSTOM_ELEMENT(properties_element) ||
12753        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12754   {
12755     // set position for checkbutton for "can move into acid"
12756     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12757       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12758     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12759       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12760                                IS_BALLOON_ELEMENT(properties_element) ||
12761                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12762
12763     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12764   }
12765
12766   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12767     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12768
12769   if (properties_element == EL_SPRING ||
12770       properties_element == EL_SPRING_LEFT ||
12771       properties_element == EL_SPRING_RIGHT)
12772     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12773
12774   if (properties_element == EL_TIME_ORB_FULL)
12775     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12776
12777   if (properties_element == EL_GAME_OF_LIFE ||
12778       properties_element == EL_BIOMAZE)
12779     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12780
12781   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12782   {
12783     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12784       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12785
12786     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12787   }
12788
12789   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12790     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12791
12792   if (properties_element == EL_SOKOBAN_OBJECT)
12793     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12794
12795   if (properties_element == EL_SOKOBAN_OBJECT ||
12796       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12797       properties_element == EL_SOKOBAN_FIELD_FULL)
12798   {
12799     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12800       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12801                                0 : 1);
12802
12803     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12804   }
12805
12806   if (IS_BALLOON_ELEMENT(properties_element))
12807     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12808
12809   if (IS_ENVELOPE(properties_element) ||
12810       IS_MM_ENVELOPE(properties_element))
12811   {
12812     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12813     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12814     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12815     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12816     int envelope_nr = ENVELOPE_NR(properties_element);
12817
12818     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12819     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12820
12821     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12822     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12823
12824     // display counter to choose size of envelope text area
12825     MapCounterButtons(counter1_id);
12826     MapCounterButtons(counter2_id);
12827
12828     // display checkbuttons to choose auto-wrap and alignment properties
12829     MapCheckbuttonGadget(button1_id);
12830     MapCheckbuttonGadget(button2_id);
12831
12832     DrawEnvelopeTextArea(envelope_nr);
12833   }
12834
12835   if (IS_MM_MCDUFFIN(properties_element))
12836   {
12837     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12838     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12839     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12840   }
12841
12842   if (IS_DF_LASER(properties_element))
12843   {
12844     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12845     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12846     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12847   }
12848
12849   if (IS_CUSTOM_ELEMENT(properties_element))
12850   {
12851     // draw stickybutton gadget
12852     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12853
12854     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12855     {
12856       // draw checkbutton gadgets
12857       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12858            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12859         MapCheckbuttonGadget(i);
12860
12861       // draw counter gadgets
12862       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12863            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12864         MapCounterButtons(i);
12865
12866       // draw selectbox gadgets
12867       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12868            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12869         MapSelectboxGadget(i);
12870
12871       // draw textbutton gadgets
12872       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12873
12874       // draw text input gadgets
12875       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12876
12877       // draw drawing area gadgets
12878       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12879
12880       draw_footer_line = TRUE;
12881     }
12882     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12883     {
12884       // draw checkbutton gadgets
12885       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12886            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12887         MapCheckbuttonGadget(i);
12888
12889       // draw counter gadgets
12890       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12891            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12892         MapCounterButtons(i);
12893
12894       // draw selectbox gadgets
12895       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12896            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12897         MapSelectboxGadget(i);
12898
12899       // draw drawing area gadgets
12900       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12901       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12902       DrawCustomContentArea();
12903     }
12904   }
12905   else if (IS_GROUP_ELEMENT(properties_element))
12906   {
12907     // draw stickybutton gadget
12908     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12909
12910     // draw checkbutton gadgets
12911     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12912     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12913
12914     // draw counter gadgets
12915     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12916
12917     // draw selectbox gadgets
12918     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12919
12920     // draw textbutton gadgets
12921     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12922
12923     // draw drawing area gadgets
12924     DrawGroupElementArea();
12925
12926     // draw text input gadgets
12927     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12928
12929     // draw drawing area gadgets
12930     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12931
12932     draw_footer_line = TRUE;
12933   }
12934   else if (IS_EMPTY_ELEMENT(properties_element))
12935   {
12936     // draw stickybutton gadget
12937     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12938
12939     // draw checkbutton gadgets
12940     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12941     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12942
12943     // draw textbutton gadgets
12944     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12945
12946     // draw drawing area gadgets
12947     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12948
12949     draw_footer_line = TRUE;
12950   }
12951
12952   // draw little footer border line above CE/GE use/save template gadgets
12953   if (draw_footer_line)
12954   {
12955     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12956     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12957     int gd_x = gd->x + gd_gi1->border.width / 2;
12958     int gd_y = gd->y + gd_gi1->height - 1;
12959     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12960
12961     if (tab_color != BLACK_PIXEL)               // black => transparent
12962       FillRectangle(drawto,
12963                     SX + ED_ELEMENT_SETTINGS_X(0),
12964                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12965                     ED_TAB_BAR_HEIGHT,
12966                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12967   }
12968 }
12969
12970 static void DrawPropertiesChangeDrawingAreas(void)
12971 {
12972   if (IS_CUSTOM_ELEMENT(properties_element))
12973   {
12974     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12975     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12976     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12977
12978     DrawCustomChangeContentArea();
12979   }
12980
12981   redraw_mask |= REDRAW_FIELD;
12982 }
12983
12984 static void DrawPropertiesChange(void)
12985 {
12986   int i;
12987
12988   // needed to initially set selectbox options for special action options
12989   setSelectboxSpecialActionOptions();
12990
12991   // draw stickybutton gadget
12992   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12993
12994   // draw checkbutton gadgets
12995   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12996        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12997     MapCheckbuttonGadget(i);
12998
12999   // draw counter gadgets
13000   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
13001        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
13002     MapCounterButtons(i);
13003
13004   // draw selectbox gadgets
13005   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
13006        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
13007     MapSelectboxGadget(i);
13008
13009   // draw textbutton gadgets
13010   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
13011        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
13012     MapTextbuttonGadget(i);
13013
13014   // draw graphicbutton gadgets
13015   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
13016        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
13017     MapGraphicbuttonGadget(i);
13018
13019   // draw drawing area gadgets
13020   DrawPropertiesChangeDrawingAreas();
13021 }
13022
13023 static void DrawEditorElementAnimation(int x, int y)
13024 {
13025   int graphic;
13026   int frame;
13027
13028   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
13029
13030   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
13031 }
13032
13033 static void DrawEditorElementName(int x, int y, int font_nr)
13034 {
13035   char *element_name = getElementInfoText(properties_element);
13036   int font_width = getFontWidth(font_nr);
13037   int font_height = getFontHeight(font_nr);
13038   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
13039   int max_chars_per_line = max_text_width / font_width;
13040
13041   if (strlen(element_name) <= max_chars_per_line)
13042     DrawTextS(x, y, font_nr, element_name);
13043   else
13044   {
13045     char buffer[max_chars_per_line + 1];
13046     int next_pos = max_chars_per_line;
13047
13048     strncpy(buffer, element_name, max_chars_per_line);
13049     buffer[max_chars_per_line] = '\0';
13050
13051     if (element_name[max_chars_per_line] == ' ')
13052       next_pos++;
13053     else
13054     {
13055       int i;
13056
13057       for (i = max_chars_per_line - 1; i >= 0; i--)
13058         if (buffer[i] == ' ')
13059           break;
13060
13061       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
13062       {
13063         buffer[i] = '\0';
13064         next_pos = i + 1;
13065       }
13066     }
13067
13068     DrawTextS(x, y - font_height / 2, font_nr, buffer);
13069
13070     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
13071     buffer[max_chars_per_line] = '\0';
13072
13073     DrawTextS(x, y + font_height / 2, font_nr, buffer);
13074   }
13075 }
13076
13077 static void DrawPropertiesWindow(void)
13078 {
13079   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
13080   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13081   int border_size = gd->border_size;
13082   int font_nr = FONT_TEXT_1;
13083   int font_height = getFontHeight(font_nr);
13084   int xoffset = TILEX + element_border + 3 * border_size;
13085   int yoffset = (TILEY - font_height) / 2;
13086   int x1 = editor.settings.element_graphic.x + element_border;
13087   int y1 = editor.settings.element_graphic.y + element_border;
13088   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
13089             editor.settings.element_name.x);
13090   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
13091             editor.settings.element_name.y);
13092   char *text = "Element Settings";
13093   int font2_nr = FONT_TITLE_1;
13094   struct MenuPosInfo *pos = &editor.settings.headline;
13095   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
13096   int sy = SY + pos->y;
13097
13098   stick_element_properties_window = FALSE;
13099
13100   // make sure that previous properties edit mode exists for this element
13101   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
13102       !IS_CUSTOM_ELEMENT(properties_element))
13103     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
13104
13105   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
13106       !IS_PLAYER_ELEMENT(properties_element) &&
13107       !IS_CUSTOM_ELEMENT(properties_element))
13108     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
13109
13110   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
13111       (IS_PLAYER_ELEMENT(properties_element) ||
13112        IS_CUSTOM_ELEMENT(properties_element)))
13113     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
13114
13115   CopyElementPropertiesToEditor(properties_element);
13116
13117   UnmapLevelEditorFieldGadgets();
13118   UnmapLevelEditorToolboxDrawingGadgets();
13119   UnmapLevelEditorToolboxCustomGadgets();
13120
13121   MapLevelEditorToolboxCustomGadgetsIfNeeded();
13122
13123   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
13124   ClearField();
13125
13126   DrawText(sx, sy, text, font2_nr);
13127
13128   FrameCounter = 0;     // restart animation frame counter
13129
13130   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
13131   DrawEditorElementAnimation(SX + x1, SY + y1);
13132   DrawEditorElementName(x2, y2, font_nr);
13133
13134   DrawPropertiesTabulatorGadgets();
13135
13136   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
13137     DrawPropertiesInfo();
13138   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
13139     DrawPropertiesChange();
13140   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
13141     DrawPropertiesConfig();
13142 }
13143
13144 static void DrawPaletteWindow(void)
13145 {
13146   int i;
13147
13148   UnmapLevelEditorFieldGadgets();
13149
13150   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
13151   ClearField();
13152
13153   // map buttons to select elements
13154   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
13155     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
13156   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
13157   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
13158   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
13159 }
13160
13161 static void UpdateCustomElementGraphicGadgets(void)
13162 {
13163   int i;
13164
13165   InitElementPropertiesGfxElement();
13166
13167   ModifyEditorElementList();
13168   RedrawDrawingElements();
13169
13170   // force redraw of all mapped drawing area gadgets
13171   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
13172   {
13173     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
13174
13175     if (gi->mapped)
13176       MapDrawingArea(i);
13177   }
13178 }
13179
13180 static int getOpenDirectionFromTube(int element)
13181 {
13182   switch (element)
13183   {
13184     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
13185     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
13186     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
13187     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
13188     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
13189     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
13190     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
13191     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
13192     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
13193     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
13194     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
13195   }
13196
13197   return MV_NONE;
13198 }
13199
13200 static int getTubeFromOpenDirection(int direction)
13201 {
13202   switch (direction)
13203   {
13204     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
13205     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
13206     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
13207     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
13208     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
13209     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
13210     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
13211     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
13212     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
13213     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
13214     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
13215
13216     // if only one direction, fall back to simple tube with that direction
13217     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
13218     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
13219     case (MV_UP):                       return EL_TUBE_VERTICAL;
13220     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
13221   }
13222
13223   return EL_EMPTY;
13224 }
13225
13226 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
13227 {
13228   int element_new = getTubeFromOpenDirection(direction);
13229
13230   return (element_new != EL_EMPTY ? element_new : element_old);
13231 }
13232
13233 static int getOpenDirectionFromBelt(int element)
13234 {
13235   int belt_dir = getBeltDirFromBeltElement(element);
13236
13237   return (belt_dir == MV_LEFT ? MV_RIGHT :
13238           belt_dir == MV_RIGHT ? MV_LEFT :
13239           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
13240 }
13241
13242 static int getBeltFromNrAndOpenDirection(int nr, int direction)
13243 {
13244   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
13245                   direction == MV_RIGHT ? MV_LEFT :
13246                   direction == MV_HORIZONTAL ? MV_NONE : direction);
13247
13248   if (direction == MV_NONE)
13249     return EL_EMPTY;
13250
13251   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
13252 }
13253
13254 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
13255                                                  int element_old)
13256 {
13257   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
13258
13259   return (element_new != EL_EMPTY ? element_new : element_old);
13260 }
13261
13262 static int getOpenDirectionFromPool(int element)
13263 {
13264   switch (element)
13265   {
13266     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
13267     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
13268     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
13269     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
13270     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
13271     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
13272   }
13273
13274   return MV_NONE;
13275 }
13276
13277 static int getPoolFromOpenDirection(int direction)
13278 {
13279   switch (direction)
13280   {
13281     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
13282     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
13283     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
13284     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
13285     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
13286     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
13287   }
13288
13289   return EL_EMPTY;
13290 }
13291
13292 static int getPoolFromOpenDirectionExt(int direction, int help_element)
13293 {
13294   int element = getPoolFromOpenDirection(direction);
13295   int help_direction = getOpenDirectionFromPool(help_element);
13296
13297   if (element == EL_EMPTY)
13298   {
13299     int help_direction_vertical = help_direction & MV_VERTICAL;
13300
13301     element = getPoolFromOpenDirection(direction | help_direction_vertical);
13302   }
13303
13304   if (element == EL_EMPTY)
13305   {
13306     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
13307
13308     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
13309   }
13310
13311   return element;
13312 }
13313
13314 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
13315 {
13316   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
13317
13318   return (element_new != EL_EMPTY ? element_new : element_old);
13319 }
13320
13321 static int getOpenDirectionFromPillar(int element)
13322 {
13323   switch (element)
13324   {
13325     case EL_EMC_WALL_1:                 return (MV_DOWN);
13326     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
13327     case EL_EMC_WALL_3:                 return (MV_UP);
13328   }
13329
13330   return MV_NONE;
13331 }
13332
13333 static int getPillarFromOpenDirection(int direction)
13334 {
13335   switch (direction)
13336   {
13337     case (MV_DOWN):                     return EL_EMC_WALL_1;
13338     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
13339     case (MV_UP):                       return EL_EMC_WALL_3;
13340   }
13341
13342   return EL_EMPTY;
13343 }
13344
13345 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
13346 {
13347   int element_new = getPillarFromOpenDirection(direction);
13348
13349   return (element_new != EL_EMPTY ? element_new : element_old);
13350 }
13351
13352 static int getOpenDirectionFromSteel2(int element)
13353 {
13354   switch (element)
13355   {
13356     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
13357     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
13358     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
13359     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
13360     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
13361     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
13362     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
13363     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
13364   }
13365
13366   return MV_NONE;
13367 }
13368
13369 static int getSteel2FromOpenDirection(int direction)
13370 {
13371   switch (direction)
13372   {
13373     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
13374     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
13375     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
13376     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
13377     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
13378     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
13379     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
13380     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
13381   }
13382
13383   return EL_EMPTY;
13384 }
13385
13386 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
13387 {
13388   int element_new = getSteel2FromOpenDirection(direction);
13389
13390   return (element_new != EL_EMPTY ? element_new : element_old);
13391 }
13392
13393 static int getOpenDirectionFromChip(int element)
13394 {
13395   switch (element)
13396   {
13397     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
13398     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
13399     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
13400     case EL_SP_CHIP_TOP:                return (MV_DOWN);
13401     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
13402   }
13403
13404   return MV_NONE;
13405 }
13406
13407 static int getChipFromOpenDirection(int direction)
13408 {
13409   switch (direction)
13410   {
13411     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
13412     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
13413     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
13414     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
13415     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
13416   }
13417
13418   return EL_EMPTY;
13419 }
13420
13421 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
13422 {
13423   int element_new = getChipFromOpenDirection(direction);
13424
13425   return (element_new != EL_EMPTY ? element_new : element_old);
13426 }
13427
13428 static int getClosedTube(int x, int y)
13429 {
13430   struct XY *xy = xy_directions;
13431   int element_old = IntelliDrawBuffer[x][y];
13432   int direction_old = getOpenDirectionFromTube(element_old);
13433   int direction_new = MV_NONE;
13434   int i;
13435
13436   for (i = 0; i < NUM_DIRECTIONS; i++)
13437   {
13438     int xx = x + xy[i].x;
13439     int yy = y + xy[i].y;
13440     int dir = MV_DIR_FROM_BIT(i);
13441     int dir_opposite = MV_DIR_OPPOSITE(dir);
13442
13443     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
13444         (direction_old & dir) &&
13445         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13446       direction_new |= dir;
13447   }
13448
13449   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
13450 }
13451
13452 static int getClosedBelt(int x, int y)
13453 {
13454   struct XY *xy = xy_directions;
13455   int element_old = IntelliDrawBuffer[x][y];
13456   int nr = getBeltNrFromBeltElement(element_old);
13457   int direction_old = getOpenDirectionFromBelt(element_old);
13458   int direction_new = MV_NONE;
13459   int i;
13460
13461   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13462   {
13463     int xx = x + xy[i].x;
13464     int yy = y + xy[i].y;
13465     int dir = MV_DIR_FROM_BIT(i);
13466     int dir_opposite = MV_DIR_OPPOSITE(dir);
13467
13468     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
13469         (direction_old & dir) &&
13470         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13471       direction_new |= dir;
13472   }
13473
13474   return getBeltFromNrAndOpenDirection(nr, direction_new);
13475 }
13476
13477 static int getClosedPool(int x, int y)
13478 {
13479   struct XY *xy = xy_directions;
13480   int element_old = IntelliDrawBuffer[x][y];
13481   int direction_old = getOpenDirectionFromPool(element_old);
13482   int direction_new = MV_NONE;
13483   int i;
13484
13485   for (i = 0; i < NUM_DIRECTIONS; i++)
13486   {
13487     int xx = x + xy[i].x;
13488     int yy = y + xy[i].y;
13489     int dir = MV_DIR_FROM_BIT(i);
13490     int dir_opposite = MV_DIR_OPPOSITE(dir);
13491
13492     if (IN_LEV_FIELD(xx, yy) &&
13493         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
13494         (direction_old & dir) &&
13495         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13496       direction_new |= dir;
13497   }
13498
13499   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
13500 }
13501
13502 static int getClosedPillar(int x, int y)
13503 {
13504   struct XY *xy = xy_directions;
13505   int element_old = IntelliDrawBuffer[x][y];
13506   int direction_old = getOpenDirectionFromPillar(element_old);
13507   int direction_new = MV_NONE;
13508   int i;
13509
13510   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13511   {
13512     int xx = x + xy[i].x;
13513     int yy = y + xy[i].y;
13514     int dir = MV_DIR_FROM_BIT(i);
13515     int dir_opposite = MV_DIR_OPPOSITE(dir);
13516
13517     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
13518         (direction_old & dir) &&
13519         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13520       direction_new |= dir;
13521   }
13522
13523   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
13524 }
13525
13526 static int getClosedSteel2(int x, int y)
13527 {
13528   struct XY *xy = xy_directions;
13529   int element_old = IntelliDrawBuffer[x][y];
13530   int direction_old = getOpenDirectionFromSteel2(element_old);
13531   int direction_new = MV_NONE;
13532   int i;
13533
13534   for (i = 0; i < NUM_DIRECTIONS; i++)
13535   {
13536     int xx = x + xy[i].x;
13537     int yy = y + xy[i].y;
13538     int dir = MV_DIR_FROM_BIT(i);
13539     int dir_opposite = MV_DIR_OPPOSITE(dir);
13540
13541     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
13542         (direction_old & dir) &&
13543         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13544       direction_new |= dir;
13545   }
13546
13547   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
13548 }
13549
13550 static int getClosedChip(int x, int y)
13551 {
13552   struct XY *xy = xy_directions;
13553   int element_old = IntelliDrawBuffer[x][y];
13554   int direction_old = getOpenDirectionFromChip(element_old);
13555   int direction_new = MV_NONE;
13556   int i;
13557
13558   for (i = 0; i < NUM_DIRECTIONS; i++)
13559   {
13560     int xx = x + xy[i].x;
13561     int yy = y + xy[i].y;
13562     int dir = MV_DIR_FROM_BIT(i);
13563     int dir_opposite = MV_DIR_OPPOSITE(dir);
13564
13565     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
13566         (direction_old & dir) &&
13567         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13568       direction_new |= dir;
13569   }
13570
13571   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
13572 }
13573
13574 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
13575                                 boolean change_level)
13576 {
13577   int sx = x - level_xpos;
13578   int sy = y - level_ypos;
13579   int old_element = Tile[x][y];
13580   int new_element = element;
13581   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13582   boolean draw_masked = FALSE;
13583
13584   if (IS_MM_WALL_EDITOR(element))
13585   {
13586     element = map_mm_wall_element_editor(element) | new_bitmask;
13587
13588     if (IS_MM_WALL(old_element))
13589       element |= MM_WALL_BITS(old_element);
13590
13591     if (!change_level)
13592       draw_masked = TRUE;
13593   }
13594   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13595   {
13596     int element_changed = old_element & ~new_bitmask;
13597
13598     if (MM_WALL_BITS(element_changed) != 0)
13599       element = element_changed;
13600   }
13601
13602   IntelliDrawBuffer[x][y] = element;
13603
13604   if (change_level)
13605     Tile[x][y] = element;
13606
13607   if (IN_ED_FIELD(sx, sy))
13608   {
13609     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13610       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13611     else if (draw_masked)
13612       DrawEditorElementThruMask(sx, sy, element);
13613     else
13614       DrawEditorElement(sx, sy, element);
13615   }
13616 }
13617
13618 static void SetElementSimple(int x, int y, int element, boolean change_level)
13619 {
13620   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13621 }
13622
13623 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13624                                            int x2, int y2, int *element2,
13625                                            int (*close_function)(int, int),
13626                                            boolean change_level)
13627 {
13628   // set neighbour elements to newly determined connections
13629   SetElementSimple(x1, y1, *element1, change_level);
13630   SetElementSimple(x2, y2, *element2, change_level);
13631
13632   // remove all open connections of neighbour elements
13633   *element1 = close_function(x1, y1);
13634   *element2 = close_function(x2, y2);
13635
13636   // set neighbour elements to new, minimized connections
13637   SetElementSimple(x1, y1, *element1, change_level);
13638   SetElementSimple(x2, y2, *element2, change_level);
13639 }
13640
13641 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13642                                   boolean change_level, int button)
13643 {
13644   struct XY *xy = xy_directions;
13645   static int last_x = -1;
13646   static int last_y = -1;
13647
13648   if (new_element == EL_UNDEFINED)
13649   {
13650     last_x = -1;
13651     last_y = -1;
13652
13653     return;
13654   }
13655
13656   int old_element = IntelliDrawBuffer[x][y];
13657
13658   if (IS_TUBE(new_element))
13659   {
13660     int last_element_new = EL_UNDEFINED;
13661     int direction = MV_NONE;
13662     int i;
13663
13664     // if old element is of same kind, keep all existing directions
13665     if (IS_TUBE(old_element))
13666       direction |= getOpenDirectionFromTube(old_element);
13667
13668     for (i = 0; i < NUM_DIRECTIONS; i++)
13669     {
13670       int xx = x + xy[i].x;
13671       int yy = y + xy[i].y;
13672
13673       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13674           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13675       {
13676         int dir = MV_DIR_FROM_BIT(i);
13677         int dir_opposite = MV_DIR_OPPOSITE(dir);
13678         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13679         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13680         int last_direction_new = last_direction_old | dir_opposite;
13681
13682         last_element_new = getTubeFromOpenDirection(last_direction_new);
13683
13684         direction |= dir;
13685       }
13686     }
13687
13688     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13689
13690     if (last_element_new != EL_UNDEFINED)
13691       MergeAndCloseNeighbourElements(x, y, &new_element,
13692                                      last_x, last_y, &last_element_new,
13693                                      getClosedTube, change_level);
13694   }
13695   else if (IS_BELT(new_element))
13696   {
13697     int belt_nr = getBeltNrFromBeltElement(new_element);
13698     int last_element_new = EL_UNDEFINED;
13699     int direction = MV_NONE;
13700     int i;
13701
13702     // if old element is of same kind, keep all existing directions
13703     if (IS_BELT(old_element))
13704       direction |= getOpenDirectionFromBelt(old_element);
13705
13706     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13707     {
13708       int xx = x + xy[i].x;
13709       int yy = y + xy[i].y;
13710
13711       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13712           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13713       {
13714         int dir = MV_DIR_FROM_BIT(i);
13715         int dir_opposite = MV_DIR_OPPOSITE(dir);
13716         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13717         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13718         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13719         int last_direction_new = last_direction_old | dir_opposite;
13720
13721         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13722                                                          last_direction_new);
13723         direction |= dir;
13724       }
13725     }
13726
13727     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13728                                                         new_element);
13729     if (last_element_new != EL_UNDEFINED)
13730       MergeAndCloseNeighbourElements(x, y, &new_element,
13731                                      last_x, last_y, &last_element_new,
13732                                      getClosedBelt, change_level);
13733   }
13734   else if (IS_ACID_POOL_OR_ACID(new_element))
13735   {
13736     int last_element_new = EL_UNDEFINED;
13737     int direction = MV_NONE;
13738     int i;
13739
13740     // if old element is of same kind, keep all existing directions
13741     if (IS_ACID_POOL_OR_ACID(old_element))
13742       direction |= getOpenDirectionFromPool(old_element);
13743
13744     for (i = 0; i < NUM_DIRECTIONS; i++)
13745     {
13746       int xx = x + xy[i].x;
13747       int yy = y + xy[i].y;
13748
13749       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13750           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13751       {
13752         int dir = MV_DIR_FROM_BIT(i);
13753         int dir_opposite = MV_DIR_OPPOSITE(dir);
13754         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13755         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13756         int last_direction_new = last_direction_old | dir_opposite;
13757
13758         last_element_new = getPoolFromOpenDirection(last_direction_new);
13759
13760         direction |= dir;
13761       }
13762     }
13763
13764     // special corrections needed for intuitively correct acid pool drawing
13765     if (last_element_new == EL_EMPTY)
13766       last_element_new = new_element;
13767     else if (last_element_new != EL_UNDEFINED)
13768       new_element = last_element_new;
13769
13770     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13771
13772     if (last_element_new != EL_UNDEFINED)
13773       MergeAndCloseNeighbourElements(x, y, &new_element,
13774                                      last_x, last_y, &last_element_new,
13775                                      getClosedPool, change_level);
13776   }
13777   else if (IS_EMC_PILLAR(new_element))
13778   {
13779     int last_element_new = EL_UNDEFINED;
13780     int direction = MV_NONE;
13781     int i;
13782
13783     // if old element is of same kind, keep all existing directions
13784     if (IS_EMC_PILLAR(old_element))
13785       direction |= getOpenDirectionFromPillar(old_element);
13786
13787     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13788     {
13789       int xx = x + xy[i].x;
13790       int yy = y + xy[i].y;
13791
13792       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13793           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13794       {
13795         int dir = MV_DIR_FROM_BIT(i);
13796         int dir_opposite = MV_DIR_OPPOSITE(dir);
13797         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13798         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13799         int last_direction_new = last_direction_old | dir_opposite;
13800
13801         last_element_new = getPillarFromOpenDirection(last_direction_new);
13802
13803         direction |= dir;
13804       }
13805     }
13806
13807     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13808
13809     if (last_element_new != EL_UNDEFINED)
13810       MergeAndCloseNeighbourElements(x, y, &new_element,
13811                                      last_x, last_y, &last_element_new,
13812                                      getClosedPillar, change_level);
13813   }
13814   else if (IS_DC_STEELWALL_2(new_element))
13815   {
13816     int last_element_new = EL_UNDEFINED;
13817     int direction = MV_NONE;
13818     int i;
13819
13820     // if old element is of same kind, keep all existing directions
13821     if (IS_DC_STEELWALL_2(old_element))
13822       direction |= getOpenDirectionFromSteel2(old_element);
13823
13824     for (i = 0; i < NUM_DIRECTIONS; i++)
13825     {
13826       int xx = x + xy[i].x;
13827       int yy = y + xy[i].y;
13828
13829       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13830           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13831       {
13832         int dir = MV_DIR_FROM_BIT(i);
13833         int dir_opposite = MV_DIR_OPPOSITE(dir);
13834         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13835         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13836         int last_direction_new = last_direction_old | dir_opposite;
13837
13838         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13839
13840         direction |= dir;
13841       }
13842     }
13843
13844     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13845
13846     if (last_element_new != EL_UNDEFINED)
13847       MergeAndCloseNeighbourElements(x, y, &new_element,
13848                                      last_x, last_y, &last_element_new,
13849                                      getClosedSteel2, change_level);
13850   }
13851   else if (IS_SP_CHIP(new_element))
13852   {
13853     int last_element_new = EL_UNDEFINED;
13854     int direction = MV_NONE;
13855     int i;
13856
13857     // (do not keep existing directions, regardless of kind of old element)
13858
13859     for (i = 0; i < NUM_DIRECTIONS; i++)
13860     {
13861       int xx = x + xy[i].x;
13862       int yy = y + xy[i].y;
13863
13864       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13865           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13866       {
13867         int dir = MV_DIR_FROM_BIT(i);
13868         int dir_opposite = MV_DIR_OPPOSITE(dir);
13869         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13870         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13871         int last_direction_new = last_direction_old | dir_opposite;
13872
13873         if (last_direction_old == MV_NONE)
13874         {
13875           last_element_new = getChipFromOpenDirection(last_direction_new);
13876           direction |= dir;
13877         }
13878         else if (last_direction_old & (dir | dir_opposite))
13879         {
13880           direction |= MV_DIR_OPPOSITE(last_direction_old);
13881         }
13882         else
13883         {
13884           direction |= MV_DIR_OPPOSITE(dir);
13885         }
13886       }
13887     }
13888
13889     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13890
13891     if (last_element_new != EL_UNDEFINED)
13892       MergeAndCloseNeighbourElements(x, y, &new_element,
13893                                      last_x, last_y, &last_element_new,
13894                                      getClosedChip, change_level);
13895   }
13896   else if (IS_SP_HARDWARE_BASE(new_element))
13897   {
13898     int nr = GetSimpleRandom(6);
13899
13900     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13901                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13902                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13903                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13904                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13905   }
13906   else if (new_element == EL_SP_HARDWARE_GREEN ||
13907            new_element == EL_SP_HARDWARE_BLUE ||
13908            new_element == EL_SP_HARDWARE_RED)
13909   {
13910     int nr = GetSimpleRandom(3);
13911
13912     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13913                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13914   }
13915   else if (IS_GROUP_ELEMENT(new_element))
13916   {
13917     boolean connected_drawing = FALSE;
13918     int i;
13919
13920     for (i = 0; i < NUM_DIRECTIONS; i++)
13921     {
13922       int xx = x + xy[i].x;
13923       int yy = y + xy[i].y;
13924
13925       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13926           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13927         connected_drawing = TRUE;
13928     }
13929
13930     if (!connected_drawing)
13931       ResolveGroupElement(new_element);
13932
13933     new_element = GetElementFromGroupElement(new_element);
13934   }
13935   else if (IS_BELT_SWITCH(old_element))
13936   {
13937     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13938     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13939
13940     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13941                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13942
13943     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13944   }
13945   else
13946   {
13947     static int swappable_elements[][2] =
13948     {
13949       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13950       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13951       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13952       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13953       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13954       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13955       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13956       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13957       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13958       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13959       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13960       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13961       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13962       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13963       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13964       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13965       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13966       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13967       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13968       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13969       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13970       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13971       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13972       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13973       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13974       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13975       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13976       { EL_PEARL,                       EL_WALL_PEARL                   },
13977       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13978       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13979       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13980       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13981       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13982       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13983       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13984       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13985       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13986       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13987       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13988       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13989       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13990       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13991       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13992       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13993
13994       { -1,                             -1                              },
13995     };
13996     static int rotatable_elements_4[][4] =
13997     {
13998       {
13999         EL_BUG_UP,
14000         EL_BUG_RIGHT,
14001         EL_BUG_DOWN,
14002         EL_BUG_LEFT
14003       },
14004       {
14005         EL_SPACESHIP_UP,
14006         EL_SPACESHIP_RIGHT,
14007         EL_SPACESHIP_DOWN,
14008         EL_SPACESHIP_LEFT
14009       },
14010       {
14011         EL_BD_BUTTERFLY_UP,
14012         EL_BD_BUTTERFLY_RIGHT,
14013         EL_BD_BUTTERFLY_DOWN,
14014         EL_BD_BUTTERFLY_LEFT
14015       },
14016       {
14017         EL_BD_FIREFLY_UP,
14018         EL_BD_FIREFLY_RIGHT,
14019         EL_BD_FIREFLY_DOWN,
14020         EL_BD_FIREFLY_LEFT
14021       },
14022       {
14023         EL_PACMAN_UP,
14024         EL_PACMAN_RIGHT,
14025         EL_PACMAN_DOWN,
14026         EL_PACMAN_LEFT
14027       },
14028       {
14029         EL_YAMYAM_UP,
14030         EL_YAMYAM_RIGHT,
14031         EL_YAMYAM_DOWN,
14032         EL_YAMYAM_LEFT
14033       },
14034       {
14035         EL_ARROW_UP,
14036         EL_ARROW_RIGHT,
14037         EL_ARROW_DOWN,
14038         EL_ARROW_LEFT
14039       },
14040       {
14041         EL_SP_PORT_UP,
14042         EL_SP_PORT_RIGHT,
14043         EL_SP_PORT_DOWN,
14044         EL_SP_PORT_LEFT
14045       },
14046       {
14047         EL_SP_GRAVITY_PORT_UP,
14048         EL_SP_GRAVITY_PORT_RIGHT,
14049         EL_SP_GRAVITY_PORT_DOWN,
14050         EL_SP_GRAVITY_PORT_LEFT
14051       },
14052       {
14053         EL_SP_GRAVITY_ON_PORT_UP,
14054         EL_SP_GRAVITY_ON_PORT_RIGHT,
14055         EL_SP_GRAVITY_ON_PORT_DOWN,
14056         EL_SP_GRAVITY_ON_PORT_LEFT
14057       },
14058       {
14059         EL_SP_GRAVITY_OFF_PORT_UP,
14060         EL_SP_GRAVITY_OFF_PORT_RIGHT,
14061         EL_SP_GRAVITY_OFF_PORT_DOWN,
14062         EL_SP_GRAVITY_OFF_PORT_LEFT
14063       },
14064       {
14065         EL_MOLE_UP,
14066         EL_MOLE_RIGHT,
14067         EL_MOLE_DOWN,
14068         EL_MOLE_LEFT
14069       },
14070       {
14071         EL_BALLOON_SWITCH_UP,
14072         EL_BALLOON_SWITCH_RIGHT,
14073         EL_BALLOON_SWITCH_DOWN,
14074         EL_BALLOON_SWITCH_LEFT
14075       },
14076       {
14077         EL_MM_MCDUFFIN_UP,
14078         EL_MM_MCDUFFIN_RIGHT,
14079         EL_MM_MCDUFFIN_DOWN,
14080         EL_MM_MCDUFFIN_LEFT
14081       },
14082       {
14083         EL_MM_MIRROR_FIXED_1,
14084         EL_MM_MIRROR_FIXED_4,
14085         EL_MM_MIRROR_FIXED_3,
14086         EL_MM_MIRROR_FIXED_2
14087       },
14088       {
14089         EL_MM_STEEL_GRID_FIXED_1,
14090         EL_MM_STEEL_GRID_FIXED_4,
14091         EL_MM_STEEL_GRID_FIXED_2,
14092         EL_MM_STEEL_GRID_FIXED_3
14093       },
14094       {
14095         EL_MM_WOODEN_GRID_FIXED_1,
14096         EL_MM_WOODEN_GRID_FIXED_4,
14097         EL_MM_WOODEN_GRID_FIXED_2,
14098         EL_MM_WOODEN_GRID_FIXED_3
14099       },
14100       {
14101         EL_MM_POLARIZER_CROSS_1,
14102         EL_MM_POLARIZER_CROSS_4,
14103         EL_MM_POLARIZER_CROSS_3,
14104         EL_MM_POLARIZER_CROSS_2
14105       },
14106       {
14107         EL_MM_PACMAN_UP,
14108         EL_MM_PACMAN_RIGHT,
14109         EL_MM_PACMAN_DOWN,
14110         EL_MM_PACMAN_LEFT
14111       },
14112       {
14113         EL_DF_LASER_UP,
14114         EL_DF_LASER_RIGHT,
14115         EL_DF_LASER_DOWN,
14116         EL_DF_LASER_LEFT
14117       },
14118       {
14119         EL_DF_RECEIVER_UP,
14120         EL_DF_RECEIVER_RIGHT,
14121         EL_DF_RECEIVER_DOWN,
14122         EL_DF_RECEIVER_LEFT
14123       },
14124       {
14125         EL_DF_SLOPE_1,
14126         EL_DF_SLOPE_4,
14127         EL_DF_SLOPE_3,
14128         EL_DF_SLOPE_2
14129       },
14130
14131       {
14132         -1,
14133       },
14134     };
14135     static int rotatable_elements_8[][8] =
14136     {
14137       {
14138         EL_DF_STEEL_GRID_FIXED_1,
14139         EL_DF_STEEL_GRID_FIXED_8,
14140         EL_DF_STEEL_GRID_FIXED_7,
14141         EL_DF_STEEL_GRID_FIXED_6,
14142         EL_DF_STEEL_GRID_FIXED_5,
14143         EL_DF_STEEL_GRID_FIXED_4,
14144         EL_DF_STEEL_GRID_FIXED_3,
14145         EL_DF_STEEL_GRID_FIXED_2
14146       },
14147       {
14148         EL_DF_WOODEN_GRID_FIXED_1,
14149         EL_DF_WOODEN_GRID_FIXED_8,
14150         EL_DF_WOODEN_GRID_FIXED_7,
14151         EL_DF_WOODEN_GRID_FIXED_6,
14152         EL_DF_WOODEN_GRID_FIXED_5,
14153         EL_DF_WOODEN_GRID_FIXED_4,
14154         EL_DF_WOODEN_GRID_FIXED_3,
14155         EL_DF_WOODEN_GRID_FIXED_2
14156       },
14157       {
14158         EL_DF_STEEL_GRID_ROTATING_1,
14159         EL_DF_STEEL_GRID_ROTATING_8,
14160         EL_DF_STEEL_GRID_ROTATING_7,
14161         EL_DF_STEEL_GRID_ROTATING_6,
14162         EL_DF_STEEL_GRID_ROTATING_5,
14163         EL_DF_STEEL_GRID_ROTATING_4,
14164         EL_DF_STEEL_GRID_ROTATING_3,
14165         EL_DF_STEEL_GRID_ROTATING_2
14166       },
14167       {
14168         EL_DF_WOODEN_GRID_ROTATING_1,
14169         EL_DF_WOODEN_GRID_ROTATING_8,
14170         EL_DF_WOODEN_GRID_ROTATING_7,
14171         EL_DF_WOODEN_GRID_ROTATING_6,
14172         EL_DF_WOODEN_GRID_ROTATING_5,
14173         EL_DF_WOODEN_GRID_ROTATING_4,
14174         EL_DF_WOODEN_GRID_ROTATING_3,
14175         EL_DF_WOODEN_GRID_ROTATING_2
14176       },
14177
14178       {
14179         -1,
14180       },
14181     };
14182     static int rotatable_elements_16[][16] =
14183     {
14184       {
14185         EL_MM_MIRROR_1,
14186         EL_MM_MIRROR_16,
14187         EL_MM_MIRROR_15,
14188         EL_MM_MIRROR_14,
14189         EL_MM_MIRROR_13,
14190         EL_MM_MIRROR_12,
14191         EL_MM_MIRROR_11,
14192         EL_MM_MIRROR_10,
14193         EL_MM_MIRROR_9,
14194         EL_MM_MIRROR_8,
14195         EL_MM_MIRROR_7,
14196         EL_MM_MIRROR_6,
14197         EL_MM_MIRROR_5,
14198         EL_MM_MIRROR_4,
14199         EL_MM_MIRROR_3,
14200         EL_MM_MIRROR_2
14201       },
14202       {
14203         EL_MM_TELEPORTER_5,
14204         EL_MM_TELEPORTER_4,
14205         EL_MM_TELEPORTER_3,
14206         EL_MM_TELEPORTER_2,
14207         EL_MM_TELEPORTER_1,
14208         EL_MM_TELEPORTER_16,
14209         EL_MM_TELEPORTER_15,
14210         EL_MM_TELEPORTER_14,
14211         EL_MM_TELEPORTER_13,
14212         EL_MM_TELEPORTER_12,
14213         EL_MM_TELEPORTER_11,
14214         EL_MM_TELEPORTER_10,
14215         EL_MM_TELEPORTER_9,
14216         EL_MM_TELEPORTER_8,
14217         EL_MM_TELEPORTER_7,
14218         EL_MM_TELEPORTER_6
14219       },
14220       {
14221         EL_MM_TELEPORTER_RED_5,
14222         EL_MM_TELEPORTER_RED_4,
14223         EL_MM_TELEPORTER_RED_3,
14224         EL_MM_TELEPORTER_RED_2,
14225         EL_MM_TELEPORTER_RED_1,
14226         EL_MM_TELEPORTER_RED_16,
14227         EL_MM_TELEPORTER_RED_15,
14228         EL_MM_TELEPORTER_RED_14,
14229         EL_MM_TELEPORTER_RED_13,
14230         EL_MM_TELEPORTER_RED_12,
14231         EL_MM_TELEPORTER_RED_11,
14232         EL_MM_TELEPORTER_RED_10,
14233         EL_MM_TELEPORTER_RED_9,
14234         EL_MM_TELEPORTER_RED_8,
14235         EL_MM_TELEPORTER_RED_7,
14236         EL_MM_TELEPORTER_RED_6
14237       },
14238       {
14239         EL_MM_TELEPORTER_YELLOW_5,
14240         EL_MM_TELEPORTER_YELLOW_4,
14241         EL_MM_TELEPORTER_YELLOW_3,
14242         EL_MM_TELEPORTER_YELLOW_2,
14243         EL_MM_TELEPORTER_YELLOW_1,
14244         EL_MM_TELEPORTER_YELLOW_16,
14245         EL_MM_TELEPORTER_YELLOW_15,
14246         EL_MM_TELEPORTER_YELLOW_14,
14247         EL_MM_TELEPORTER_YELLOW_13,
14248         EL_MM_TELEPORTER_YELLOW_12,
14249         EL_MM_TELEPORTER_YELLOW_11,
14250         EL_MM_TELEPORTER_YELLOW_10,
14251         EL_MM_TELEPORTER_YELLOW_9,
14252         EL_MM_TELEPORTER_YELLOW_8,
14253         EL_MM_TELEPORTER_YELLOW_7,
14254         EL_MM_TELEPORTER_YELLOW_6
14255       },
14256       {
14257         EL_MM_TELEPORTER_GREEN_5,
14258         EL_MM_TELEPORTER_GREEN_4,
14259         EL_MM_TELEPORTER_GREEN_3,
14260         EL_MM_TELEPORTER_GREEN_2,
14261         EL_MM_TELEPORTER_GREEN_1,
14262         EL_MM_TELEPORTER_GREEN_16,
14263         EL_MM_TELEPORTER_GREEN_15,
14264         EL_MM_TELEPORTER_GREEN_14,
14265         EL_MM_TELEPORTER_GREEN_13,
14266         EL_MM_TELEPORTER_GREEN_12,
14267         EL_MM_TELEPORTER_GREEN_11,
14268         EL_MM_TELEPORTER_GREEN_10,
14269         EL_MM_TELEPORTER_GREEN_9,
14270         EL_MM_TELEPORTER_GREEN_8,
14271         EL_MM_TELEPORTER_GREEN_7,
14272         EL_MM_TELEPORTER_GREEN_6
14273       },
14274       {
14275         EL_MM_TELEPORTER_BLUE_5,
14276         EL_MM_TELEPORTER_BLUE_4,
14277         EL_MM_TELEPORTER_BLUE_3,
14278         EL_MM_TELEPORTER_BLUE_2,
14279         EL_MM_TELEPORTER_BLUE_1,
14280         EL_MM_TELEPORTER_BLUE_16,
14281         EL_MM_TELEPORTER_BLUE_15,
14282         EL_MM_TELEPORTER_BLUE_14,
14283         EL_MM_TELEPORTER_BLUE_13,
14284         EL_MM_TELEPORTER_BLUE_12,
14285         EL_MM_TELEPORTER_BLUE_11,
14286         EL_MM_TELEPORTER_BLUE_10,
14287         EL_MM_TELEPORTER_BLUE_9,
14288         EL_MM_TELEPORTER_BLUE_8,
14289         EL_MM_TELEPORTER_BLUE_7,
14290         EL_MM_TELEPORTER_BLUE_6
14291       },
14292       {
14293         EL_MM_POLARIZER_1,
14294         EL_MM_POLARIZER_16,
14295         EL_MM_POLARIZER_15,
14296         EL_MM_POLARIZER_14,
14297         EL_MM_POLARIZER_13,
14298         EL_MM_POLARIZER_12,
14299         EL_MM_POLARIZER_11,
14300         EL_MM_POLARIZER_10,
14301         EL_MM_POLARIZER_9,
14302         EL_MM_POLARIZER_8,
14303         EL_MM_POLARIZER_7,
14304         EL_MM_POLARIZER_6,
14305         EL_MM_POLARIZER_5,
14306         EL_MM_POLARIZER_4,
14307         EL_MM_POLARIZER_3,
14308         EL_MM_POLARIZER_2
14309       },
14310       {
14311         EL_DF_MIRROR_1,
14312         EL_DF_MIRROR_16,
14313         EL_DF_MIRROR_15,
14314         EL_DF_MIRROR_14,
14315         EL_DF_MIRROR_13,
14316         EL_DF_MIRROR_12,
14317         EL_DF_MIRROR_11,
14318         EL_DF_MIRROR_10,
14319         EL_DF_MIRROR_9,
14320         EL_DF_MIRROR_8,
14321         EL_DF_MIRROR_7,
14322         EL_DF_MIRROR_6,
14323         EL_DF_MIRROR_5,
14324         EL_DF_MIRROR_4,
14325         EL_DF_MIRROR_3,
14326         EL_DF_MIRROR_2
14327       },
14328       {
14329         EL_DF_MIRROR_ROTATING_1,
14330         EL_DF_MIRROR_ROTATING_16,
14331         EL_DF_MIRROR_ROTATING_15,
14332         EL_DF_MIRROR_ROTATING_14,
14333         EL_DF_MIRROR_ROTATING_13,
14334         EL_DF_MIRROR_ROTATING_12,
14335         EL_DF_MIRROR_ROTATING_11,
14336         EL_DF_MIRROR_ROTATING_10,
14337         EL_DF_MIRROR_ROTATING_9,
14338         EL_DF_MIRROR_ROTATING_8,
14339         EL_DF_MIRROR_ROTATING_7,
14340         EL_DF_MIRROR_ROTATING_6,
14341         EL_DF_MIRROR_ROTATING_5,
14342         EL_DF_MIRROR_ROTATING_4,
14343         EL_DF_MIRROR_ROTATING_3,
14344         EL_DF_MIRROR_ROTATING_2
14345       },
14346       {
14347         EL_DF_MIRROR_FIXED_1,
14348         EL_DF_MIRROR_FIXED_16,
14349         EL_DF_MIRROR_FIXED_15,
14350         EL_DF_MIRROR_FIXED_14,
14351         EL_DF_MIRROR_FIXED_13,
14352         EL_DF_MIRROR_FIXED_12,
14353         EL_DF_MIRROR_FIXED_11,
14354         EL_DF_MIRROR_FIXED_10,
14355         EL_DF_MIRROR_FIXED_9,
14356         EL_DF_MIRROR_FIXED_8,
14357         EL_DF_MIRROR_FIXED_7,
14358         EL_DF_MIRROR_FIXED_6,
14359         EL_DF_MIRROR_FIXED_5,
14360         EL_DF_MIRROR_FIXED_4,
14361         EL_DF_MIRROR_FIXED_3,
14362         EL_DF_MIRROR_FIXED_2
14363       },
14364
14365       {
14366         -1,
14367       },
14368     };
14369     int i, j;
14370
14371     for (i = 0; swappable_elements[i][0] != -1; i++)
14372     {
14373       int element1 = swappable_elements[i][0];
14374       int element2 = swappable_elements[i][1];
14375
14376       if (old_element == element1 || old_element == element2)
14377         new_element = (old_element == element1 ? element2 : element1);
14378     }
14379
14380     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
14381     {
14382       for (j = 0; j < 4; j++)
14383       {
14384         int element = rotatable_elements_4[i][j];
14385
14386         if (old_element == element)
14387           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
14388                          button == 2 ? rotatable_elements_4[i][0]           :
14389                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
14390                          old_element);
14391       }
14392     }
14393
14394     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
14395     {
14396       for (j = 0; j < 8; j++)
14397       {
14398         int element = rotatable_elements_8[i][j];
14399
14400         if (old_element == element)
14401           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
14402                          button == 2 ? rotatable_elements_8[i][0]           :
14403                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
14404                          old_element);
14405       }
14406     }
14407
14408     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
14409     {
14410       for (j = 0; j < 16; j++)
14411       {
14412         int element = rotatable_elements_16[i][j];
14413
14414         if (old_element == element)
14415           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
14416                          button == 2 ? rotatable_elements_16[i][0]             :
14417                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
14418                          old_element);
14419       }
14420     }
14421
14422     if (old_element != new_element)
14423     {
14424       int max_infotext_len = getMaxInfoTextLength();
14425       char infotext[MAX_OUTPUT_LINESIZE + 1];
14426
14427       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
14428       infotext[max_infotext_len] = '\0';
14429
14430       ClearEditorGadgetInfoText();
14431
14432       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
14433                 infotext);
14434     }
14435   }
14436
14437   if (IS_MM_WALL_EDITOR(new_element))
14438     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
14439   else
14440     SetElementSimple(x, y, new_element, change_level);
14441
14442   last_x = x;
14443   last_y = y;
14444 }
14445
14446 static void ResetIntelliDraw(void)
14447 {
14448   int x, y;
14449
14450   for (x = 0; x < lev_fieldx; x++)
14451     for (y = 0; y < lev_fieldy; y++)
14452       IntelliDrawBuffer[x][y] = Tile[x][y];
14453
14454   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
14455 }
14456
14457 static boolean draw_mode_hires = FALSE;
14458
14459 static boolean isHiresTileElement(int element)
14460 {
14461   return (IS_MM_WALL(element)        || element == EL_EMPTY);
14462 }
14463
14464 static boolean isHiresDrawElement(int element)
14465 {
14466   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
14467 }
14468
14469 static int numHiresTiles(int element)
14470 {
14471   if (IS_MM_WALL(element))
14472     return get_number_of_bits(MM_WALL_BITS(element));
14473
14474   return 1;
14475 }
14476
14477 static void SetDrawModeHiRes(int element)
14478 {
14479   draw_mode_hires =
14480     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14481      isHiresDrawElement(element));
14482 }
14483
14484 static boolean getDrawModeHiRes(void)
14485 {
14486   return draw_mode_hires;
14487 }
14488
14489 static int getLoResScreenPos(int pos)
14490 {
14491   return (getDrawModeHiRes() ? pos / 2 : pos);
14492 }
14493
14494 static int getLoResScreenMod(int pos)
14495 {
14496   return (getDrawModeHiRes() ? pos % 2 : 0);
14497 }
14498
14499 static void SetElementExt(int x, int y, int dx, int dy, int element,
14500                           boolean change_level, int button)
14501 {
14502   if (element < 0)
14503     SetElementSimple(x, y, Tile[x][y], change_level);
14504   else if (GetKeyModState() & KMOD_Shift)
14505     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
14506   else
14507     SetElementSimpleExt(x, y, dx, dy, element, change_level);
14508 }
14509
14510 static void SetElement(int x, int y, int element)
14511 {
14512   SetElementExt(x, y, 0, 0, element, TRUE, -1);
14513 }
14514
14515 static void SetElementButton(int x, int y, int dx, int dy, int element,
14516                              int button)
14517 {
14518   SetElementExt(x, y, dx, dy, element, TRUE, button);
14519 }
14520
14521 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
14522 {
14523   int lx = getLoResScreenPos(sx2) + level_xpos;
14524   int ly = getLoResScreenPos(sy2) + level_ypos;
14525   int dx = getLoResScreenMod(sx2);
14526   int dy = getLoResScreenMod(sy2);
14527
14528   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
14529 }
14530
14531 static void SetLevelElementHiRes(int lx2, int ly2, int element)
14532 {
14533   int lx = lx2 / 2;
14534   int ly = ly2 / 2;
14535   int dx = lx2 % 2;
14536   int dy = ly2 % 2;
14537
14538   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
14539 }
14540
14541 static int getLevelElementHiRes(int lx2, int ly2)
14542 {
14543   int lx = lx2 / 2;
14544   int ly = ly2 / 2;
14545   int dx = lx2 % 2;
14546   int dy = ly2 % 2;
14547   int element = Tile[lx][ly];
14548   unsigned int bitmask = (dx + 1) << (dy * 2);
14549
14550   if (IS_MM_WALL(element))
14551   {
14552     if (element & bitmask)
14553       return map_mm_wall_element(element);
14554     else
14555       return EL_EMPTY;
14556   }
14557
14558   return element;
14559 }
14560
14561 static void DrawLineElement(int x, int y, int element, boolean change_level)
14562 {
14563   SetElementHiRes(x, y, element, change_level);
14564 }
14565
14566 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
14567                      int element, boolean change_level)
14568 {
14569   int xsize = ABS(to_x - from_x);
14570   int ysize = ABS(to_y - from_y);
14571   int dx = (to_x < from_x ? -1 : +1);
14572   int dy = (to_y < from_y ? -1 : +1);
14573   int i;
14574
14575   if (from_y == to_y)                   // horizontal line
14576   {
14577     for (i = 0; i <= xsize; i++)
14578       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14579   }
14580   else if (from_x == to_x)              // vertical line
14581   {
14582     for (i = 0; i <= ysize; i++)
14583       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14584   }
14585   else                                  // diagonal line
14586   {
14587     if (ysize < xsize)                  // a < 1
14588     {
14589       float a = (float)ysize / (float)xsize;
14590
14591       for (i = 0; i <= xsize; i++)
14592       {
14593         int x = dx * i;
14594         int y = dy * (int)(a * i + 0.5);
14595
14596         DrawLineElement(from_x + x, from_y + y, element, change_level);
14597       }
14598     }
14599     else                                // a >= 1
14600     {
14601       float a = (float)xsize / (float)ysize;
14602
14603       for (i = 0; i <= ysize; i++)
14604       {
14605         int x = dx * (int)(a * i + 0.5);
14606         int y = dy * i;
14607
14608         DrawLineElement(from_x + x, from_y + y, element, change_level);
14609       }
14610     }
14611   }
14612 }
14613
14614 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14615                     int element, boolean change_level)
14616 {
14617   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14618   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14619   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14620   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14621 }
14622
14623 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14624                           int element, boolean change_level)
14625 {
14626   int y;
14627
14628   if (from_y > to_y)
14629     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14630
14631   for (y = from_y; y <= to_y; y++)
14632     DrawLine(from_x, y, to_x, y, element, change_level);
14633 }
14634
14635 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14636                        int element, boolean change_level)
14637 {
14638   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14639   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14640   int len_x = ABS(to_x - from_x);
14641   int len_y = ABS(to_y - from_y);
14642   int radius, x, y;
14643
14644   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14645
14646   // not optimal (some points get drawn twice) but simple,
14647   // and fast enough for the few points we are drawing
14648
14649   for (x = 0; x <= radius; x++)
14650   {
14651     int sx, sy, sx2, sy2, lx, ly;
14652
14653     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14654
14655     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14656     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14657     sx = getLoResScreenPos(sx2);
14658     sy = getLoResScreenPos(sy2);
14659     lx = sx + level_xpos;
14660     ly = sy + level_ypos;
14661
14662     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14663       DrawLineElement(sx2, sy2, element, change_level);
14664   }
14665
14666   for (y = 0; y <= radius; y++)
14667   {
14668     int sx, sy, sx2, sy2, lx, ly;
14669
14670     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14671
14672     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14673     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14674     sx = getLoResScreenPos(sx2);
14675     sy = getLoResScreenPos(sy2);
14676     lx = sx + level_xpos;
14677     ly = sy + level_ypos;
14678
14679     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14680       DrawLineElement(sx2, sy2, element, change_level);
14681   }
14682 }
14683
14684 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14685                     int element, boolean change_level)
14686 {
14687   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14688   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14689
14690   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14691 }
14692
14693 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14694
14695 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14696 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14697                        int element, boolean change_level)
14698 {
14699   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14700   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14701   int mirror_to_x2 = from_x - (to_x2 - from_x);
14702   int mirror_to_y2 = from_y - (to_y2 - from_y);
14703
14704   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14705   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14706   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14707   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14708 }
14709 #endif
14710
14711 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14712 {
14713   int from_sx, from_sy;
14714   int to_sx, to_sy;
14715
14716   if (from_x > to_x)
14717     swap_numbers(&from_x, &to_x);
14718
14719   if (from_y > to_y)
14720     swap_numbers(&from_y, &to_y);
14721
14722   from_sx = SX + from_x * ed_tilesize;
14723   from_sy = SY + from_y * ed_tilesize;
14724   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14725   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14726
14727   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14728   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14729   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14730   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14731
14732   if (from_x == to_x && from_y == to_y)
14733     MarkTileDirty(from_x/2, from_y/2);
14734   else
14735     redraw_mask |= REDRAW_FIELD;
14736 }
14737
14738 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14739                         int element, boolean change_level)
14740 {
14741   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14742 }
14743
14744 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14745                        int element, boolean change_level)
14746 {
14747   if (element == -1 || change_level)
14748     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14749   else
14750     DrawAreaBorder(from_x, from_y, to_x, to_y);
14751 }
14752
14753 // values for CopyBrushExt()
14754 #define CB_AREA_TO_BRUSH                0
14755 #define CB_BRUSH_TO_CURSOR              1
14756 #define CB_BRUSH_TO_LEVEL               2
14757 #define CB_DELETE_OLD_CURSOR            3
14758 #define CB_DUMP_BRUSH                   4
14759 #define CB_DUMP_BRUSH_SMALL             5
14760 #define CB_CLIPBOARD_TO_BRUSH           6
14761 #define CB_BRUSH_TO_CLIPBOARD           7
14762 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14763 #define CB_UPDATE_BRUSH_POSITION        9
14764 #define CB_FLIP_BRUSH_X                 10
14765 #define CB_FLIP_BRUSH_Y                 11
14766 #define CB_FLIP_BRUSH_XY                12
14767
14768 #define MAX_CB_PART_SIZE        10
14769 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14770 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14771 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14772                                  MAX_CB_NUM_LINES *     \
14773                                  MAX_CB_PART_SIZE)
14774
14775 static int getFlippedTileExt(int map[], int element)
14776 {
14777   int i;
14778
14779   for (i = 0; map[i] != -1; i++)
14780     if (map[i] == element)
14781       return map[i ^ 1];        // get flipped element by flipping LSB of index
14782
14783   return element;
14784 }
14785
14786 static int getFlippedTileX(int element)
14787 {
14788   int map[] =
14789   {
14790     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14791     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14792     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14793     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14794     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14795     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14796     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14797     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14798     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14799     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14800     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14801     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14802     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14803     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14804     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14805     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14806     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14807     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14808     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14809     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14810     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14811     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14812     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14813     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14814     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14815     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14816     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14817     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14818     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14819     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14820
14821     -1
14822   };
14823
14824   return getFlippedTileExt(map, element);
14825 }
14826
14827 static int getFlippedTileY(int element)
14828 {
14829   int map[] =
14830   {
14831     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14832     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14833     EL_BUG_UP,                          EL_BUG_DOWN,
14834     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14835     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14836     EL_ARROW_UP,                        EL_ARROW_DOWN,
14837     EL_MOLE_UP,                         EL_MOLE_DOWN,
14838     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14839     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14840     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14841     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14842     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14843     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14844     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14845     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14846     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14847     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14848     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14849     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14850     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14851     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14852     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14853     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14854     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14855
14856     -1
14857   };
14858
14859   return getFlippedTileExt(map, element);
14860 }
14861
14862 static int getFlippedTileXY(int element)
14863 {
14864   int map[] =
14865   {
14866     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14867     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14868     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14869     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14870     EL_BUG_LEFT,                        EL_BUG_UP,
14871     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14872     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14873     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14874     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14875     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14876     EL_ARROW_LEFT,                      EL_ARROW_UP,
14877     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14878     EL_MOLE_LEFT,                       EL_MOLE_UP,
14879     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14880     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14881     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14882     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14883     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14884     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14885     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14886     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14887     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14888     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14889     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14890     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14891     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14892     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14893     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14894     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14895     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14896     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14897     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14898     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14899     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14900     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14901     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14902     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14903     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14904     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14905     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14906     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14907     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14908
14909     -1
14910   };
14911
14912   return getFlippedTileExt(map, element);
14913 }
14914
14915 static int getFlippedTile(int element, int mode)
14916 {
14917   if (IS_MM_ELEMENT(element))
14918   {
14919     // get MM game element
14920     element = map_element_RND_to_MM(element);
14921
14922     // get flipped game element
14923     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14924                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14925                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14926                element);
14927
14928     // get RND game element again
14929     element = map_element_MM_to_RND(element);
14930   }
14931   else
14932   {
14933     // get flipped game element
14934     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14935                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14936                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14937                element);
14938   }
14939
14940   return element;
14941 }
14942
14943 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14944 {
14945   // flip tiles
14946   short tile1_flipped = getFlippedTile(*tile1, mode);
14947   short tile2_flipped = getFlippedTile(*tile2, mode);
14948
14949   // swap tiles
14950   *tile1 = tile2_flipped;
14951   *tile2 = tile1_flipped;
14952 }
14953
14954 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14955 {
14956   DrawLineElement(sx, sy, element, change_level);
14957 }
14958
14959 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14960                          int button, int mode)
14961 {
14962   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14963   static int brush_width, brush_height;
14964   static int last_cursor_x = -1, last_cursor_y = -1;
14965   static boolean delete_old_brush = FALSE;
14966   int new_element = BUTTON_ELEMENT(button);
14967   int x, y;
14968
14969   if (mode == CB_DUMP_BRUSH ||
14970       mode == CB_DUMP_BRUSH_SMALL ||
14971       mode == CB_BRUSH_TO_CLIPBOARD ||
14972       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14973   {
14974     if (edit_mode != ED_MODE_DRAWING)
14975       return;
14976
14977     char part[MAX_CB_PART_SIZE + 1] = "";
14978     char text[MAX_CB_TEXT_SIZE + 1] = "";
14979     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14980     int height = (draw_with_brush ? brush_height : lev_fieldy);
14981     char *format = "%s%03d";
14982
14983     for (y = 0; y < height; y++)
14984       for (x = 0; x < width; x++)
14985         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14986           format = "%s%04d";
14987
14988     for (y = 0; y < height; y++)
14989     {
14990       for (x = 0; x < width; x++)
14991       {
14992         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14993         char *prefix = (mode == CB_DUMP_BRUSH ||
14994                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14995
14996         if (element >= NUM_FILE_ELEMENTS)
14997           element = EL_UNKNOWN;
14998
14999         // copy brush to level sketch text buffer for the R'n'D forum:
15000         // - large tiles: `xxx or `xxxx (0x60 ASCII)
15001         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
15002         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
15003         strcat(text, part);
15004       }
15005
15006       strcat(text, "\n");
15007     }
15008
15009     if (mode == CB_BRUSH_TO_CLIPBOARD ||
15010         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
15011       SDL_SetClipboardText(text);
15012     else
15013       Print("%s", text);        // print brush data to console and log file
15014
15015     return;
15016   }
15017
15018   if (mode == CB_CLIPBOARD_TO_BRUSH)
15019   {
15020     if (edit_mode != ED_MODE_DRAWING)
15021       return;
15022
15023     if (!SDL_HasClipboardText())
15024     {
15025       Request("Clipboard is empty!", REQ_CONFIRM);
15026
15027       return;
15028     }
15029
15030     boolean copy_to_brush = (draw_with_brush ||
15031                              drawing_function == GADGET_ID_GRAB_BRUSH);
15032
15033     // this will delete the old brush, if already drawing with a brush
15034     if (copy_to_brush)
15035       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
15036
15037     // initialization is required for "odd" (incomplete) clipboard content
15038     for (x = 0; x < MAX_LEV_FIELDX; x++)
15039       for (y = 0; y < MAX_LEV_FIELDY; y++)
15040         brush_buffer[x][y] = EL_EMPTY;
15041
15042     brush_width  = 0;
15043     brush_height = 0;
15044     x = 0;
15045     y = 0;
15046
15047     char *clipboard_text = SDL_GetClipboardText();
15048     char *ptr = clipboard_text;
15049     boolean allow_new_row = FALSE;
15050     boolean stop = FALSE;
15051
15052     while (*ptr && !stop)
15053     {
15054       boolean prefix_found = FALSE;
15055       boolean start_new_row = FALSE;
15056
15057       // level sketch element number prefixes (may be multi-byte characters)
15058       char *prefix_list[] = { "`", "¸" };
15059       int i;
15060
15061       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
15062       {
15063         char *prefix = prefix_list[i];
15064
15065         // check if string is large enough for prefix
15066         if (strlen(ptr) < strlen(prefix))
15067         {
15068           stop = TRUE;
15069
15070           break;
15071         }
15072
15073         // check if string starts with prefix
15074         if (strPrefix(ptr, prefix))
15075         {
15076           ptr += strlen(prefix);
15077
15078           prefix_found = TRUE;
15079
15080           break;
15081         }
15082       }
15083
15084       // check if prefix found and followed by (at least) three digits
15085       if (prefix_found &&
15086           strlen(ptr) >= 3 &&
15087           ptr[0] >= '0' && ptr[0] <= '9' &&
15088           ptr[1] >= '0' && ptr[1] <= '9' &&
15089           ptr[2] >= '0' && ptr[2] <= '9')
15090       {
15091         int element = ((ptr[0] - '0') * 100 +
15092                        (ptr[1] - '0') * 10 +
15093                        (ptr[2] - '0'));
15094
15095         ptr += 3;
15096
15097         // level sketch element number might consist of four digits
15098         if (ptr[0] >= '0' && ptr[0] <= '9')
15099         {
15100           element = element * 10 + (ptr[0] - '0');
15101           ptr++;
15102         }
15103
15104         // remap some (historic, now obsolete) elements
15105         element = getMappedElement(element);
15106
15107         if (element >= NUM_FILE_ELEMENTS)
15108           element = EL_UNKNOWN;
15109
15110         brush_buffer[x][y] = element;
15111
15112         brush_width  = MAX(x + 1, brush_width);
15113         brush_height = MAX(y + 1, brush_height);
15114
15115         x++;
15116
15117         if (x >= MAX_LEV_FIELDX)
15118           start_new_row = TRUE;
15119
15120         allow_new_row = TRUE;
15121       }
15122       else
15123       {
15124         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
15125           start_new_row = TRUE;
15126
15127         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
15128       }
15129
15130       if (start_new_row)
15131       {
15132         x = 0;
15133         y++;
15134
15135         if (y >= MAX_LEV_FIELDY)
15136           stop = TRUE;
15137
15138         allow_new_row = FALSE;
15139       }
15140     }
15141
15142     SDL_free(clipboard_text);
15143
15144     if (brush_width == 0 || brush_height == 0)
15145     {
15146       Request("No level sketch found in clipboard!", REQ_CONFIRM);
15147
15148       return;
15149     }
15150
15151     if (copy_to_brush)
15152     {
15153       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
15154       int mx, my;
15155
15156       SDL_GetMouseState(&mx, &my);
15157
15158       // if inside drawing area, activate and draw brush at last mouse position
15159       if (mx >= gi->x && mx < gi->x + gi->width &&
15160           my >= gi->y && my < gi->y + gi->height)
15161         CopyBrushToCursor(last_cursor_x, last_cursor_y);
15162
15163       draw_with_brush = TRUE;
15164     }
15165     else
15166     {
15167       char request[100];
15168
15169       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
15170               brush_width, brush_height);
15171
15172       if (!Request(request, REQ_ASK))
15173         return;
15174
15175       for (x = 0; x < MAX_LEV_FIELDX; x++)
15176         for (y = 0; y < MAX_LEV_FIELDY; y++)
15177           Tile[x][y] = brush_buffer[x][y];
15178
15179       lev_fieldx = level.fieldx = brush_width;
15180       lev_fieldy = level.fieldy = brush_height;
15181
15182       boolean use_bd_engine = TRUE;
15183       boolean use_em_engine = TRUE;
15184       boolean use_sp_engine = TRUE;
15185       boolean use_mm_engine = TRUE;
15186
15187       for (x = 0; x < MAX_LEV_FIELDX; x++)
15188       {
15189         for (y = 0; y < MAX_LEV_FIELDY; y++)
15190         {
15191           int element = Tile[x][y];
15192
15193           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
15194             use_bd_engine = FALSE;
15195
15196           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
15197             use_em_engine = FALSE;
15198
15199           if (!IS_SP_ELEMENT(element))
15200             use_sp_engine = FALSE;
15201
15202           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
15203             use_mm_engine = FALSE;
15204         }
15205       }
15206
15207       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
15208                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
15209                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
15210                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
15211                                 GAME_ENGINE_TYPE_RND);
15212
15213       // update element selection list
15214       ReinitializeElementList();
15215       ModifyEditorElementList();
15216
15217       SetBorderElement();
15218
15219       DrawEditModeWindow();
15220       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15221     }
15222
15223     return;
15224   }
15225
15226   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
15227     return;
15228
15229   if (mode == CB_AREA_TO_BRUSH)
15230   {
15231     int from_lx, from_ly;
15232
15233     if (from_x > to_x)
15234       swap_numbers(&from_x, &to_x);
15235
15236     if (from_y > to_y)
15237       swap_numbers(&from_y, &to_y);
15238
15239     brush_width = to_x - from_x + 1;
15240     brush_height = to_y - from_y + 1;
15241
15242     from_lx = from_x + level_xpos;
15243     from_ly = from_y + level_ypos;
15244
15245     for (y = 0; y < brush_height; y++)
15246     {
15247       for (x = 0; x < brush_width; x++)
15248       {
15249         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
15250
15251         if (button != 1)
15252           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
15253       }
15254     }
15255
15256     if (button != 1)
15257       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15258
15259     delete_old_brush = FALSE;
15260   }
15261   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
15262            mode == CB_BRUSH_TO_LEVEL)
15263   {
15264     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
15265     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
15266     int cursor_from_x = cursor_x - brush_width / 2;
15267     int cursor_from_y = cursor_y - brush_height / 2;
15268     int border_from_x = cursor_x, border_from_y = cursor_y;
15269     int border_to_x = cursor_x, border_to_y = cursor_y;
15270
15271     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
15272       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15273
15274     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
15275         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
15276     {
15277       delete_old_brush = FALSE;
15278
15279       return;
15280     }
15281
15282     for (y = 0; y < brush_height; y++)
15283     {
15284       for (x = 0; x < brush_width; x++)
15285       {
15286         int sx = cursor_from_x + x;
15287         int sy = cursor_from_y + y;
15288         int lx = sx + level_xpos;
15289         int ly = sy + level_ypos;
15290         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
15291         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
15292                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
15293                        brush_buffer[x][y] : new_element);
15294
15295         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15296         {
15297           if (sx < border_from_x)
15298             border_from_x = sx;
15299           else if (sx > border_to_x)
15300             border_to_x = sx;
15301           if (sy < border_from_y)
15302             border_from_y = sy;
15303           else if (sy > border_to_y)
15304             border_to_y = sy;
15305
15306           DrawBrushElement(sx, sy, element, change_level);
15307         }
15308       }
15309     }
15310
15311     if (mode != CB_DELETE_OLD_CURSOR)
15312       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
15313
15314     last_cursor_x = cursor_x;
15315     last_cursor_y = cursor_y;
15316
15317     delete_old_brush = TRUE;
15318   }
15319   else if (mode == CB_FLIP_BRUSH_X)
15320   {
15321     for (y = 0; y < brush_height; y++)
15322       for (x = 0; x < (brush_width + 1) / 2; x++)
15323         SwapFlippedTiles(&brush_buffer[x][y],
15324                          &brush_buffer[brush_width - x - 1][y], mode);
15325
15326     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15327   }
15328   else if (mode == CB_FLIP_BRUSH_Y)
15329   {
15330     for (y = 0; y < (brush_height + 1) / 2; y++)
15331       for (x = 0; x < brush_width; x++)
15332         SwapFlippedTiles(&brush_buffer[x][y],
15333                          &brush_buffer[x][brush_height - y - 1], mode);
15334
15335     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15336   }
15337   else if (mode == CB_FLIP_BRUSH_XY)
15338   {
15339     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15340
15341     for (y = 0; y < MAX(brush_width, brush_height); y++)
15342       for (x = 0; x <= y; x++)
15343         SwapFlippedTiles(&brush_buffer[x][y],
15344                          &brush_buffer[y][x], mode);
15345
15346     swap_numbers(&brush_width, &brush_height);
15347
15348     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15349   }
15350
15351   if (mode == CB_UPDATE_BRUSH_POSITION)
15352   {
15353     last_cursor_x = from_x;
15354     last_cursor_y = from_y;
15355   }
15356 }
15357
15358 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
15359                             int button)
15360 {
15361   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
15362 }
15363
15364 static void CopyBrushToLevel(int x, int y, int button)
15365 {
15366   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
15367 }
15368
15369 static void CopyBrushToCursor(int x, int y)
15370 {
15371   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15372 }
15373
15374 static void UpdateBrushPosition(int x, int y)
15375 {
15376   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
15377 }
15378
15379 static void DeleteBrushFromCursor(void)
15380 {
15381   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15382 }
15383
15384 static void FlipBrushX(void)
15385 {
15386   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15387 }
15388
15389 static void FlipBrushY(void)
15390 {
15391   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
15392 }
15393
15394 static void RotateBrush(void)
15395 {
15396   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
15397   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15398 }
15399
15400 void DumpBrush(void)
15401 {
15402   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
15403 }
15404
15405 void DumpBrush_Small(void)
15406 {
15407   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
15408 }
15409
15410 void CopyClipboardToBrush(void)
15411 {
15412   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
15413 }
15414
15415 void CopyBrushToClipboard(void)
15416 {
15417   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
15418 }
15419
15420 void CopyBrushToClipboard_Small(void)
15421 {
15422   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
15423 }
15424
15425 void UndoLevelEditorOperation(void)
15426 {
15427   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
15428 }
15429
15430 void RedoLevelEditorOperation(void)
15431 {
15432   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15433 }
15434
15435 static void FloodFill(int from_x, int from_y, int fill_element)
15436 {
15437   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
15438 }
15439
15440 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
15441 {
15442   int from_x = from_sx2 + 2 * level_xpos;
15443   int from_y = from_sy2 + 2 * level_ypos;
15444   int max_fillx = lev_fieldx * 2;
15445   int max_filly = lev_fieldy * 2;
15446   short Fill[max_fillx][max_filly];
15447   int x, y;
15448
15449   for (x = 0; x < max_fillx; x++)
15450     for (y = 0; y < max_filly; y++)
15451       Fill[x][y] = getLevelElementHiRes(x, y);
15452
15453   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
15454                     Fill, max_fillx, max_filly);
15455
15456   for (x = 0; x < max_fillx; x++)
15457     for (y = 0; y < max_filly; y++)
15458       if (Fill[x][y] == fill_element)
15459         SetLevelElementHiRes(x, y, Fill[x][y]);
15460 }
15461
15462 // values for DrawLevelText() modes
15463 #define TEXT_INIT               0
15464 #define TEXT_SETCURSOR          1
15465 #define TEXT_WRITECHAR          2
15466 #define TEXT_BACKSPACE          3
15467 #define TEXT_NEWLINE            4
15468 #define TEXT_END                5
15469 #define TEXT_QUERY_TYPING       6
15470
15471 static int DrawLevelText(int sx, int sy, char letter, int mode)
15472 {
15473   static short delete_buffer[MAX_LEV_FIELDX];
15474   static int start_sx;
15475   static int last_sx, last_sy;
15476   static boolean typing = FALSE;
15477   int letter_element;
15478   int lx = 0, ly = 0;
15479
15480   // map lower case letters to upper case and convert special characters
15481   if (letter >= 'a' && letter <= 'z')
15482     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
15483   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
15484     letter_element = EL_CHAR_AUMLAUT;
15485   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
15486     letter_element = EL_CHAR_OUMLAUT;
15487   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
15488     letter_element = EL_CHAR_UUMLAUT;
15489   else if (letter == '^')
15490     letter_element = EL_CHAR_COPYRIGHT;
15491   else
15492     letter_element = EL_CHAR_ASCII0 + letter;
15493
15494   if (mode != TEXT_INIT)
15495   {
15496     if (!typing)
15497       return FALSE;
15498
15499     if (mode != TEXT_SETCURSOR)
15500     {
15501       sx = last_sx;
15502       sy = last_sy;
15503     }
15504
15505     lx = last_sx + level_xpos;
15506     ly = last_sy + level_ypos;
15507   }
15508
15509   switch (mode)
15510   {
15511     case TEXT_INIT:
15512       if (typing)
15513         DrawLevelText(0, 0, 0, TEXT_END);
15514
15515       typing = TRUE;
15516       start_sx = sx;
15517       last_sx = sx;
15518       last_sy = sy;
15519       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
15520       break;
15521
15522     case TEXT_SETCURSOR:
15523       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
15524       DrawAreaBorder(sx, sy, sx, sy);
15525       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
15526                      ed_tilesize, ed_tilesize);
15527       last_sx = sx;
15528       last_sy = sy;
15529       break;
15530
15531     case TEXT_WRITECHAR:
15532       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
15533       {
15534         if (new_element1 >= EL_STEEL_CHAR_START &&
15535             new_element1 <= EL_STEEL_CHAR_END)
15536           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
15537
15538         delete_buffer[sx - start_sx] = Tile[lx][ly];
15539         Tile[lx][ly] = letter_element;
15540
15541         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
15542           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
15543         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15544           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15545         else
15546           DrawLevelText(0, 0, 0, TEXT_END);
15547
15548         level.changed = TRUE;
15549       }
15550       break;
15551
15552     case TEXT_BACKSPACE:
15553       if (sx > start_sx)
15554       {
15555         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
15556         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
15557         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
15558       }
15559       break;
15560
15561     case TEXT_NEWLINE:
15562       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15563         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15564       else
15565         DrawLevelText(0, 0, 0, TEXT_END);
15566       break;
15567
15568     case TEXT_END:
15569       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15570       DrawEditorElement(sx, sy, Tile[lx][ly]);
15571       StopTextInput();
15572       typing = FALSE;
15573       break;
15574
15575     case TEXT_QUERY_TYPING:
15576       break;
15577
15578     default:
15579       break;
15580   }
15581
15582   return typing;
15583 }
15584
15585 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15586                           int element, boolean change_level)
15587 {
15588   int lx = sx + level_xpos;
15589   int ly = sy + level_ypos;
15590
15591   if (element == -1)
15592     DrawEditorElement(sx, sy, Tile[lx][ly]);
15593   else
15594     DrawAreaBorder(sx, sy, sx, sy);
15595 }
15596
15597 static void CheckLevelBorderElement(boolean redraw_playfield)
15598 {
15599   int last_border_element = BorderElement;
15600
15601   SetBorderElement();
15602
15603   if (redraw_playfield && BorderElement != last_border_element)
15604     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15605 }
15606
15607 static void CopyLevelToUndoBuffer(int mode)
15608 {
15609   static boolean accumulated_undo = FALSE;
15610   boolean new_undo_buffer_position = TRUE;
15611   int x, y;
15612
15613   if (undo_buffer_steps == 0)
15614     accumulated_undo = FALSE;
15615
15616   switch (mode)
15617   {
15618     case UNDO_IMMEDIATE:
15619       accumulated_undo = FALSE;
15620       break;
15621
15622     case UNDO_ACCUMULATE:
15623       if (accumulated_undo)
15624         new_undo_buffer_position = FALSE;
15625       accumulated_undo = TRUE;
15626       break;
15627
15628     default:
15629       break;
15630   }
15631
15632   if (new_undo_buffer_position)
15633   {
15634     // advance position in undo buffer ring
15635     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15636
15637     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15638       undo_buffer_steps++;
15639   }
15640
15641   // always reset redo buffer when storing level change into undo buffer
15642   redo_buffer_steps = 0;
15643
15644   for (x = 0; x < lev_fieldx; x++)
15645     for (y = 0; y < lev_fieldy; y++)
15646       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15647
15648   // check if drawing operation forces change of border style
15649   CheckLevelBorderElement(TRUE);
15650
15651   level.changed = TRUE;
15652 }
15653
15654 static void RandomPlacement(int new_element)
15655 {
15656   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15657   int num_free_positions = 0;
15658   int num_percentage, num_elements;
15659   int x, y;
15660
15661   ResetIntelliDraw();
15662
15663   // determine number of free positions for randomly placing the new element
15664   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15665   {
15666     free_position[x][y] =
15667       (random_placement_background_restricted ?
15668        Tile[x][y] == random_placement_background_element :
15669        Tile[x][y] != new_element);
15670
15671     if (free_position[x][y])
15672       num_free_positions++;
15673   }
15674
15675   // determine number of new elements to place there
15676   num_percentage = num_free_positions * random_placement_value / 100;
15677   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15678                   num_percentage : random_placement_value);
15679
15680   // if less free positions than elements to place, fill all these positions
15681   if (num_free_positions < num_elements)
15682   {
15683     for (x = 0; x < lev_fieldx; x++)
15684       for (y = 0; y < lev_fieldy; y++)
15685         if (free_position[x][y])
15686           SetElement(x, y, new_element);
15687   }
15688   else
15689   {
15690     while (num_elements > 0)
15691     {
15692       x = GetSimpleRandom(lev_fieldx);
15693       y = GetSimpleRandom(lev_fieldy);
15694
15695       // don't place element at the same position twice
15696       if (free_position[x][y])
15697       {
15698         free_position[x][y] = FALSE;
15699         SetElement(x, y, new_element);
15700         num_elements--;
15701       }
15702     }
15703   }
15704
15705   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15706   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15707 }
15708
15709 static void WrapLevel(int dx, int dy)
15710 {
15711   int wrap_dx = lev_fieldx - dx;
15712   int wrap_dy = lev_fieldy - dy;
15713   int x, y;
15714
15715   for (x = 0; x < lev_fieldx; x++)
15716     for (y = 0; y < lev_fieldy; y++)
15717       TileBackup[x][y] = Tile[x][y];
15718
15719   for (x = 0; x < lev_fieldx; x++)
15720     for (y = 0; y < lev_fieldy; y++)
15721       Tile[x][y] =
15722         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15723
15724   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15725   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15726 }
15727
15728 static void DrawAreaElementHighlight(boolean highlighted,
15729                                      boolean highlighted_similar)
15730 {
15731   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15732
15733   if (!highlighted)
15734     return;
15735
15736   int x, y;
15737
15738   for (x = 0; x < ed_fieldx; x++)
15739   {
15740     for (y = 0; y < ed_fieldy; y++)
15741     {
15742       boolean highlight = FALSE;
15743       int lx = x + level_xpos;
15744       int ly = y + level_ypos;
15745
15746       if (!IN_LEV_FIELD(lx, ly))
15747         continue;
15748
15749       // check if element is the same
15750       if (Tile[lx][ly] == new_element1)
15751         highlight = TRUE;
15752
15753       // check if element is similar
15754       if (highlighted_similar &&
15755           strEqual(element_info[Tile[lx][ly]].class_name,
15756                    element_info[new_element1].class_name))
15757         highlight = TRUE;
15758
15759       // check if element is matching MM style wall
15760       if (IS_MM_WALL(Tile[lx][ly]) &&
15761           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15762         highlight = TRUE;
15763
15764       if (!highlight)
15765         continue;
15766
15767       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15768       {
15769         int i;
15770
15771         for (i = 0; i < 4; i++)
15772         {
15773           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15774             continue;
15775
15776           int xx = x * 2 + (i % 2);
15777           int yy = y * 2 + (i / 2);
15778           int sx = SX + xx * ed_tilesize / 2;
15779           int sy = SY + yy * ed_tilesize / 2;
15780           int from_sx = sx;
15781           int from_sy = sy;
15782           int to_sx = sx + ed_tilesize / 2 - 1;
15783           int to_sy = sy + ed_tilesize / 2 - 1;
15784
15785           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15786           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15787           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15788           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15789         }
15790       }
15791       else
15792       {
15793         int sx = SX + x * ed_tilesize;
15794         int sy = SY + y * ed_tilesize;
15795         int from_sx = sx;
15796         int from_sy = sy;
15797         int to_sx = sx + ed_tilesize - 1;
15798         int to_sy = sy + ed_tilesize - 1;
15799
15800         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15801         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15802         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15803         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15804       }
15805     }
15806   }
15807 }
15808
15809 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15810 {
15811   char *template_filename_old = getLocalLevelTemplateFilename();
15812   char *template_filename_new =
15813     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15814
15815   if (copyFile(template_filename_old, template_filename_new) != 0)
15816     Request("Cannot copy level template!", REQ_CONFIRM);
15817
15818   free(template_filename_new);
15819 }
15820
15821 static void HandleDrawingAreas(struct GadgetInfo *gi)
15822 {
15823   static boolean started_inside_drawing_area = FALSE;
15824   static int last_sx = -1;
15825   static int last_sy = -1;
15826   static int last_sx2 = -1;
15827   static int last_sy2 = -1;
15828   int id = gi->custom_id;
15829   int type_id = gi->custom_type_id;
15830   boolean button_press_event;
15831   boolean button_release_event;
15832   boolean inside_drawing_area = !gi->event.off_borders;
15833   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15834   int actual_drawing_function;
15835   int button = gi->event.button;
15836   int new_element = BUTTON_ELEMENT(button);
15837   int sx = gi->event.x, sy = gi->event.y;
15838   int min_sx = 0, min_sy = 0;
15839   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15840   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15841   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15842   int sx2 = gi->event.mx / mini_item_xsize;
15843   int sy2 = gi->event.my / mini_item_ysize;
15844   int dx = sx2 % 2;
15845   int dy = sy2 % 2;
15846   int lx = 0, ly = 0;
15847   int x, y;
15848
15849   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15850   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15851
15852   // make sure to stay inside drawing area boundaries
15853   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15854   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15855
15856   if (draw_level)
15857   {
15858     int min_lx = 0, min_ly = 0;
15859     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15860
15861     // get positions inside level field
15862     lx = sx + level_xpos;
15863     ly = sy + level_ypos;
15864
15865     if (!IN_LEV_FIELD(lx, ly))
15866       inside_drawing_area = FALSE;
15867
15868     // make sure to stay inside level field boundaries
15869     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15870     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15871
15872     // correct drawing area positions accordingly
15873     sx = lx - level_xpos;
15874     sy = ly - level_ypos;
15875   }
15876
15877   // also correct MM wall-sized (double) drawing area positions accordingly
15878   if (sx2 / 2 < sx || sx2 / 2 > sx)
15879   {
15880     dx = (sx2 / 2 < sx ? 0 : 1);
15881     sx2 = sx * 2 + dx;
15882   }
15883   if (sy2 / 2 < sy || sy2 / 2 > sy)
15884   {
15885     dy = (sy2 / 2 < sy ? 0 : 1);
15886     sy2 = sy * 2 + dy;
15887   }
15888
15889   if (!button_press_event && !button_release_event)
15890   {
15891     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15892     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15893                              isHiresTileElement(old_element) &&
15894                              isHiresDrawElement(new_element));
15895
15896     // prevent handling events for every pixel position when moving mouse
15897     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15898         (sx2 == last_sx2 && sy2 == last_sy2))
15899       return;
15900   }
15901
15902   last_sx = sx;
15903   last_sy = sy;
15904   last_sx2 = sx2;
15905   last_sy2 = sy2;
15906
15907   if (button_press_event)
15908     started_inside_drawing_area = inside_drawing_area;
15909
15910   if (!started_inside_drawing_area)
15911     return;
15912
15913   if (!IS_VALID_BUTTON(button))
15914     return;
15915
15916   // handle info callback for each invocation of action callback
15917   gi->callback_info(gi);
15918
15919   // automatically switch to 'single item' drawing mode, if needed
15920   actual_drawing_function =
15921     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15922      drawing_function : GADGET_ID_SINGLE_ITEMS);
15923
15924   // clicking into drawing area with pressed Control key picks element
15925   if (GetKeyModState() & KMOD_Control)
15926   {
15927     last_drawing_function = drawing_function;
15928     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15929   }
15930
15931   if (GetKeyModState() & KMOD_Shift)
15932   {
15933     if (button_press_event || button_release_event)
15934       ResetIntelliDraw();
15935   }
15936
15937   SetDrawModeHiRes(-1);         // reset to normal draw mode
15938
15939   switch (actual_drawing_function)
15940   {
15941     case GADGET_ID_SINGLE_ITEMS:
15942       if (draw_level)
15943       {
15944         if (button_release_event)
15945         {
15946           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15947
15948           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15949               !inside_drawing_area)
15950             DeleteBrushFromCursor();
15951
15952           break;
15953         }
15954
15955         if (draw_with_brush)
15956         {
15957           CopyBrushToLevel(sx, sy, button);
15958         }
15959         else
15960         {
15961           SetDrawModeHiRes(new_element);
15962
15963           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15964           {
15965             // remove player at old position
15966             for (y = 0; y < lev_fieldy; y++)
15967             {
15968               for (x = 0; x < lev_fieldx; x++)
15969               {
15970                 int old_element = Tile[x][y];
15971
15972                 if (IS_PLAYER_ELEMENT(old_element) &&
15973                     IS_PLAYER_ELEMENT(new_element))
15974                 {
15975                   int replaced_with_element =
15976                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15977                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15978
15979                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15980                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15981
15982                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15983                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15984
15985                      new_element >= EL_PLAYER_1 &&
15986                      new_element <= EL_PLAYER_4 &&
15987                      new_element == old_element ? EL_EMPTY :
15988
15989                      old_element);
15990
15991                   SetElement(x, y, replaced_with_element);
15992                 }
15993                 else if (IS_MM_MCDUFFIN(old_element) &&
15994                          IS_MM_MCDUFFIN(new_element))
15995                 {
15996                   // remove McDuffin at old position
15997                   SetElement(x, y, EL_EMPTY);
15998                 }
15999               }
16000             }
16001           }
16002
16003           SetElementButton(lx, ly, dx, dy, new_element, button);
16004         }
16005       }
16006       else if (!button_release_event)
16007       {
16008         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16009
16010         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
16011           DrawMiniGraphicExt(drawto,
16012                              gi->x + sx * MINI_TILEX,
16013                              gi->y + sy * MINI_TILEY,
16014                              el2edimg(new_element));
16015         else
16016           DrawFixedGraphicExt(drawto,
16017                               gi->x + sx * TILEX,
16018                               gi->y + sy * TILEY,
16019                               el2edimg(new_element), 0);
16020
16021         if (id == GADGET_ID_CUSTOM_GRAPHIC)
16022           new_element = GFX_ELEMENT(new_element);
16023
16024         drawingarea_info[type_id].value[pos] = new_element;
16025
16026         CopyElementPropertiesToGame(properties_element);
16027
16028         if (id == GADGET_ID_CUSTOM_GRAPHIC)
16029         {
16030           UpdateCustomElementGraphicGadgets();
16031
16032           FrameCounter = 0;     // restart animation frame counter
16033         }
16034       }
16035       break;
16036
16037     case GADGET_ID_CONNECTED_ITEMS:
16038       {
16039         static int last_sx = -1;
16040         static int last_sy = -1;
16041
16042         if (button_release_event)
16043           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16044
16045         SetDrawModeHiRes(new_element);
16046
16047         if (getDrawModeHiRes())
16048         {
16049           sx = sx2;
16050           sy = sy2;
16051         }
16052
16053         if (!button_press_event)
16054           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
16055
16056         last_sx = sx;
16057         last_sy = sy;
16058       }
16059       break;
16060
16061     case GADGET_ID_LINE:
16062     case GADGET_ID_ARC:
16063     case GADGET_ID_RECTANGLE:
16064     case GADGET_ID_FILLED_BOX:
16065       SetDrawModeHiRes(new_element);
16066
16067       if (getDrawModeHiRes())
16068       {
16069         sx = sx2;
16070         sy = sy2;
16071       }
16072       // FALLTHROUGH
16073     case GADGET_ID_GRAB_BRUSH:
16074     case GADGET_ID_TEXT:
16075       {
16076         static int last_sx = -1;
16077         static int last_sy = -1;
16078         static int start_sx = -1;
16079         static int start_sy = -1;
16080         void (*draw_func)(int, int, int, int, int, boolean);
16081
16082         if (drawing_function == GADGET_ID_LINE)
16083           draw_func = DrawLine;
16084         else if (drawing_function == GADGET_ID_ARC)
16085           draw_func = DrawArc;
16086         else if (drawing_function == GADGET_ID_RECTANGLE)
16087           draw_func = DrawBox;
16088         else if (drawing_function == GADGET_ID_FILLED_BOX)
16089           draw_func = DrawFilledBox;
16090         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
16091           draw_func = SelectArea;
16092         else // (drawing_function == GADGET_ID_TEXT)
16093           draw_func = SetTextCursor;
16094
16095         if (button_press_event)
16096         {
16097           draw_func(sx, sy, sx, sy, new_element, FALSE);
16098           start_sx = last_sx = sx;
16099           start_sy = last_sy = sy;
16100
16101           if (drawing_function == GADGET_ID_TEXT)
16102             DrawLevelText(0, 0, 0, TEXT_END);
16103         }
16104         else if (button_release_event)
16105         {
16106           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
16107           if (drawing_function == GADGET_ID_GRAB_BRUSH)
16108           {
16109             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
16110             CopyBrushToCursor(sx, sy);
16111             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16112                           MB_LEFTBUTTON);
16113             draw_with_brush = TRUE;
16114           }
16115           else if (drawing_function == GADGET_ID_TEXT)
16116             DrawLevelText(sx, sy, 0, TEXT_INIT);
16117           else
16118             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16119         }
16120         else if (last_sx != sx || last_sy != sy)
16121         {
16122           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
16123           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
16124             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
16125           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
16126           last_sx = sx;
16127           last_sy = sy;
16128         }
16129       }
16130       break;
16131
16132     case GADGET_ID_FLOOD_FILL:
16133       if (button_press_event && Tile[lx][ly] != new_element)
16134       {
16135         if (IS_MM_WALL_EDITOR(new_element))
16136           FloodFillWall_MM(sx2, sy2, new_element);
16137         else
16138           FloodFill(lx, ly, new_element);
16139
16140         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16141         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
16142       }
16143       break;
16144
16145     case GADGET_ID_PICK_ELEMENT:
16146       if (button_release_event)
16147         ClickOnGadget(level_editor_gadget[last_drawing_function],
16148                       MB_LEFTBUTTON);
16149       else if (draw_level)
16150         PickDrawingElement(button, Tile[lx][ly]);
16151       else
16152       {
16153         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16154
16155         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
16156       }
16157
16158     default:
16159       break;
16160   }
16161
16162   // do not mark level as modified for certain non-level-changing gadgets
16163   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
16164        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
16165       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
16166       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16167     return;
16168
16169   level.changed = TRUE;
16170 }
16171
16172 static void HandleCounterButtons(struct GadgetInfo *gi)
16173 {
16174   int gadget_id = gi->custom_id;
16175   int counter_id = gi->custom_type_id;
16176   int button = gi->event.button;
16177   int *counter_value = counterbutton_info[counter_id].value;
16178   int step = BUTTON_STEPSIZE(button) *
16179     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
16180
16181   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
16182   {
16183     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
16184     boolean released = (gi->event.type == GD_EVENT_RELEASED);
16185     boolean level_changed = LevelChanged();
16186
16187     if ((level_changed && pressed) || (!level_changed && released))
16188       return;
16189
16190     if (level_changed && !Request("Level has changed! Discard changes?",
16191                                   REQ_ASK))
16192     {
16193       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
16194         ModifyEditorCounterValue(counter_id, *counter_value);
16195
16196       return;
16197     }
16198   }
16199
16200   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
16201     *counter_value = gi->textinput.number_value;
16202   else
16203     ModifyEditorCounterValue(counter_id, *counter_value + step);
16204
16205   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
16206   {
16207     int last_game_engine_type = level.game_engine_type;
16208
16209     LoadLevel(level_nr);
16210     LoadScore(level_nr);
16211
16212     SaveLevelSetup_SeriesInfo();
16213
16214     TapeErase();
16215
16216     ResetUndoBuffer();
16217     DrawEditModeWindow();
16218
16219     if (level.game_engine_type != last_game_engine_type)
16220     {
16221       // update element selection list
16222       ReinitializeElementList();
16223       ModifyEditorElementList();
16224     }
16225
16226     return;
16227   }
16228
16229   switch (counter_id)
16230   {
16231     case ED_COUNTER_ID_YAMYAM_CONTENT:
16232       DrawYamYamContentAreas();
16233       break;
16234
16235     case ED_COUNTER_ID_BALL_CONTENT:
16236       DrawMagicBallContentAreas();
16237       break;
16238
16239     case ED_COUNTER_ID_ANDROID_CONTENT:
16240       DrawAndroidElementArea();
16241       break;
16242
16243     case ED_COUNTER_ID_GROUP_CONTENT:
16244       DrawGroupElementArea();
16245       CopyGroupElementPropertiesToGame(properties_element);
16246       break;
16247
16248     case ED_COUNTER_ID_INVENTORY_SIZE:
16249       DrawPlayerInitialInventoryArea(properties_element);
16250       break;
16251
16252     case ED_COUNTER_ID_MM_BALL_CONTENT:
16253       DrawMMBallContentArea();
16254       break;
16255
16256     case ED_COUNTER_ID_ENVELOPE_XSIZE:
16257     case ED_COUNTER_ID_ENVELOPE_YSIZE:
16258       DrawEnvelopeTextArea(-1);
16259       break;
16260
16261     case ED_COUNTER_ID_LEVEL_XSIZE:
16262     case ED_COUNTER_ID_LEVEL_YSIZE:
16263       lev_fieldx = level.fieldx;
16264       lev_fieldy = level.fieldy;
16265
16266       // check if resizing of level results in change of border border
16267       SetBorderElement();
16268
16269       break;
16270
16271     default:
16272       break;
16273   }
16274
16275   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
16276        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
16277       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
16278        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
16279     CopyElementPropertiesToGame(properties_element);
16280
16281   // do not mark level as modified for certain non-level-changing gadgets
16282   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
16283        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
16284       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
16285        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
16286     return;
16287
16288   level.changed = TRUE;
16289 }
16290
16291 static void HandleTextInputGadgets(struct GadgetInfo *gi)
16292 {
16293   int type_id = gi->custom_type_id;
16294
16295   strcpy(textinput_info[type_id].value, gi->textinput.value);
16296
16297   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
16298   {
16299     CopyElementPropertiesToGame(properties_element);
16300
16301     ModifyEditorElementList();  // update changed button info text
16302   }
16303   else if (type_id >= ED_TEXTINPUT_ID_COLORS_FIRST &&
16304            type_id <= ED_TEXTINPUT_ID_COLORS_LAST)
16305   {
16306     int pos = type_id - ED_TEXTINPUT_ID_COLORS_FIRST;
16307
16308     *bd_color[pos] = gd_color_get_from_string(bd_color_rgb[pos]);
16309   }
16310
16311   // do not mark level as modified for certain non-level-changing gadgets
16312   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
16313       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
16314     return;
16315
16316   level.changed = TRUE;
16317 }
16318
16319 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
16320 {
16321   int type_id = gi->custom_type_id;
16322
16323   strncpy(textarea_info[type_id].value, gi->textarea.value,
16324           MAX_ENVELOPE_TEXT_LEN);
16325   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
16326
16327   level.changed = TRUE;
16328 }
16329
16330 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
16331 {
16332   int type_id = gi->custom_type_id;
16333   int value_old = *selectbox_info[type_id].value;
16334   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
16335
16336   *selectbox_info[type_id].value = value_new;
16337
16338   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
16339   {
16340     DrawLevelConfigWindow();
16341   }
16342   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16343   {
16344     element_info[properties_element].current_change_page = gi->selectbox.index;
16345
16346     DrawPropertiesWindow();
16347   }
16348   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
16349             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
16350            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
16351             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
16352            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
16353   {
16354     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
16355     {
16356       // when changing action type, also check action mode and action arg
16357       if (value_old != value_new)
16358         setSelectboxSpecialActionVariablesIfNeeded();
16359
16360       DrawPropertiesChange();
16361     }
16362
16363     CopyElementPropertiesToGame(properties_element);
16364   }
16365   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
16366   {
16367     // show or hide "engine" tabulator depending on game engine type
16368     DrawLevelConfigWindow();
16369
16370     // update element selection list depending on game engine type
16371     ReinitializeElementList();
16372     ModifyEditorElementList();
16373   }
16374   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
16375   {
16376     // update BD cycle delay counter gadgets depending on BD scheduling type
16377     DrawLevelConfigWindow();
16378   }
16379   else if (type_id == ED_SELECTBOX_ID_BD_COLOR_TYPE)
16380   {
16381     bd_color_type_changed = TRUE;
16382
16383     if (level.bd_color_type == GD_COLOR_TYPE_C64 && CheckLevelColorsRGB_BD())
16384     {
16385       // color palette switched to C64 colors, but using RGB colors => reset to defaults
16386       if (!Request("This will reset C64 colors to defaults! Continue?", REQ_ASK))
16387       {
16388         // keep current RGB colors
16389         level.bd_color_type = GD_COLOR_TYPE_RGB;
16390         bd_color_type_changed = FALSE;
16391       }
16392     }
16393
16394     // update BD color palette gadgets depending on BD color type
16395     DrawLevelConfigWindow();
16396   }
16397   else if (type_id >= ED_SELECTBOX_ID_COLORS_FIRST &&
16398            type_id <= ED_SELECTBOX_ID_COLORS_LAST)
16399   {
16400     int pos = type_id - ED_SELECTBOX_ID_COLORS_FIRST;
16401
16402     *bd_color[pos] = gd_c64_color(bd_color_c64[pos]);
16403   }
16404
16405   // do not mark level as modified for certain non-level-changing gadgets
16406   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
16407       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16408     return;
16409
16410   level.changed = TRUE;
16411 }
16412
16413 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
16414 {
16415   int type_id = gi->custom_type_id;
16416   int i;
16417
16418   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
16419       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
16420   {
16421     edit_mode_levelconfig = gi->custom_type_id;
16422
16423     DrawLevelConfigWindow();
16424   }
16425   else if (type_id >= ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST &&
16426            type_id <= ED_TAB_BUTTON_ID_ENGINECONFIG_LAST)
16427   {
16428     edit_mode_engineconfig = gi->custom_type_id;
16429
16430     DrawLevelConfigWindow();
16431   }
16432   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
16433            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
16434   {
16435     edit_mode_properties = gi->custom_type_id;
16436
16437     DrawPropertiesWindow();
16438   }
16439   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
16440            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
16441   {
16442     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
16443
16444     // backup original "level.field" (needed to track playfield changes)
16445     CopyPlayfield(level.field, TileBackup);
16446
16447     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
16448     CopyPlayfield(Tile, level.field);
16449
16450     if (new_template ||
16451         Request("Save this template and kill the old?", REQ_ASK))
16452       SaveLevelTemplate();
16453
16454     if (new_template)
16455       Request("Template saved!", REQ_CONFIRM);
16456
16457     // restore original "level.field" (needed to track playfield changes)
16458     CopyPlayfield(TileBackup, level.field);
16459   }
16460   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
16461   {
16462     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
16463
16464     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
16465         leveldir_current->readonly)
16466     {
16467       Request("This level set is read-only!", REQ_CONFIRM);
16468
16469       return;
16470     }
16471
16472     if (strEqual(levelset_name, ""))
16473     {
16474       Request("Please enter level set title!", REQ_CONFIRM);
16475
16476       return;
16477     }
16478
16479     if (strEqual(levelset_author, ""))
16480     {
16481       Request("Please enter level set author!", REQ_CONFIRM);
16482
16483       return;
16484     }
16485
16486     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
16487     {
16488       if (UpdateUserLevelSet(levelset_subdir,
16489                              levelset_name,
16490                              levelset_author,
16491                              levelset_num_levels))
16492       {
16493         Request("Level set updated!", REQ_CONFIRM);
16494       }
16495       else
16496       {
16497         Request("Updating level set failed!", REQ_CONFIRM);
16498       }
16499     }
16500     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
16501     {
16502       if (level.changed && !Request("Level has changed! Discard changes?",
16503                                      REQ_ASK))
16504         return;
16505
16506       if (CreateUserLevelSet(levelset_subdir,
16507                              levelset_name,
16508                              levelset_author,
16509                              levelset_num_levels,
16510                              levelset_use_levelset_artwork))
16511       {
16512         if (levelset_copy_level_template)
16513           CopyLevelTemplateToUserLevelSet(levelset_subdir);
16514
16515         Request("New level set created!", REQ_CONFIRM);
16516
16517         AddUserLevelSetToLevelInfo(levelset_subdir);
16518         ChangeEditorToLevelSet(levelset_subdir);
16519       }
16520       else
16521       {
16522         Request("Creating new level set failed!", REQ_CONFIRM);
16523       }
16524     }
16525   }
16526   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
16527            custom_element.num_change_pages < MAX_CHANGE_PAGES)
16528   {
16529     struct ElementInfo *ei = &element_info[properties_element];
16530
16531     // when modifying custom element, ask for copying level template
16532     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16533       return;
16534
16535     setElementChangePages(ei, ei->num_change_pages + 1);
16536
16537     // set new change page to be new current change page
16538     ei->current_change_page = ei->num_change_pages - 1;
16539     ei->change = &ei->change_page[ei->current_change_page];
16540
16541     setElementChangeInfoToDefaults(ei->change);
16542
16543     DrawPropertiesWindow();
16544
16545     level.changed = TRUE;
16546   }
16547   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
16548            custom_element.num_change_pages > MIN_CHANGE_PAGES)
16549   {
16550     struct ElementInfo *ei = &element_info[properties_element];
16551
16552     // when modifying custom element, ask for copying level template
16553     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16554       return;
16555
16556     // copy all change pages after change page to be deleted
16557     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
16558       ei->change_page[i] = ei->change_page[i + 1];
16559
16560     setElementChangePages(ei, ei->num_change_pages - 1);
16561
16562     DrawPropertiesWindow();
16563
16564     level.changed = TRUE;
16565   }
16566   else if (type_id == ED_TEXTBUTTON_ID_BD_SET_RANDOM_COLORS)
16567   {
16568     struct LevelInfo_BD *level_bd = level.native_bd_level;
16569     GdCave *cave = level_bd->cave;
16570
16571     // create random cave colors
16572     gd_cave_set_random_colors(cave, level.bd_color_type);
16573
16574     // copy colors to level editor
16575     level.bd_color_b = cave->colorb;
16576     level.bd_color_0 = cave->color0;
16577     level.bd_color_1 = cave->color1;
16578     level.bd_color_2 = cave->color2;
16579     level.bd_color_3 = cave->color3;
16580     level.bd_color_4 = cave->color4;
16581     level.bd_color_5 = cave->color5;
16582
16583     // update BD color palette gadgets after setting random colors
16584     DrawLevelConfigWindow();
16585   }
16586 }
16587
16588 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
16589 {
16590   int type_id = gi->custom_type_id;
16591
16592   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
16593       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
16594   {
16595     struct ElementInfo *ei = &element_info[properties_element];
16596     int step = BUTTON_STEPSIZE(gi->event.button);
16597
16598     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
16599     ei->current_change_page += step;
16600
16601     if (ei->current_change_page < 0)
16602       ei->current_change_page = 0;
16603     else if (ei->current_change_page >= ei->num_change_pages)
16604       ei->current_change_page = ei->num_change_pages - 1;
16605
16606     DrawPropertiesWindow();
16607   }
16608   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
16609            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16610   {
16611     struct ElementInfo *ei = &element_info[properties_element];
16612     int current_change_page = ei->current_change_page;
16613
16614     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
16615     {
16616       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
16617         ei->change_page[current_change_page];
16618     }
16619     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16620     {
16621       // when modifying custom element, ask for copying level template
16622       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16623         return;
16624
16625       ei->change_page[current_change_page] =
16626         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
16627
16628       level.changed = TRUE;
16629     }
16630
16631     DrawPropertiesWindow();
16632   }
16633 }
16634
16635 static void HandleRadiobuttons(struct GadgetInfo *gi)
16636 {
16637   int type_id = gi->custom_type_id;
16638
16639   *radiobutton_info[type_id].value =
16640     radiobutton_info[type_id].checked_value;
16641
16642   // do not mark level as modified for certain non-level-changing gadgets
16643   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16644       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16645     return;
16646
16647   level.changed = TRUE;
16648 }
16649
16650 static void HandleCheckbuttons(struct GadgetInfo *gi)
16651 {
16652   int type_id = gi->custom_type_id;
16653
16654   *checkbutton_info[type_id].value ^= TRUE;
16655
16656   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16657       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16658       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16659       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16660          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16661         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16662          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16663        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16664   {
16665     CopyElementPropertiesToGame(properties_element);
16666   }
16667
16668   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16669   {
16670     UpdateCustomElementGraphicGadgets();
16671   }
16672   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16673            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16674   {
16675     boolean template_related_changes_found = FALSE;
16676     int i;
16677
16678     // check if any custom, group or empty elements have been changed
16679     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16680       if ((IS_CUSTOM_ELEMENT(i) ||
16681            IS_GROUP_ELEMENT(i) ||
16682            IS_EMPTY_ELEMENT(i)) &&
16683           element_info[i].modified_settings)
16684         template_related_changes_found = TRUE;
16685
16686     if (level.use_custom_template &&
16687         !fileExists(getGlobalLevelTemplateFilename()))
16688     {
16689       Request("No level template found!", REQ_CONFIRM);
16690
16691       level.use_custom_template = FALSE;
16692
16693       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16694
16695       return;
16696     }
16697
16698     if (level.use_custom_template &&
16699         template_related_changes_found &&
16700         !Request("Discard changes and use level template?", REQ_ASK))
16701     {
16702       level.use_custom_template = FALSE;
16703
16704       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16705
16706       return;
16707     }
16708
16709     if (!level.use_custom_template &&
16710         Request("Copy settings from level template?", REQ_ASK))
16711     {
16712       return;
16713     }
16714
16715     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16716
16717     DrawEditModeWindow();
16718   }
16719   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16720   {
16721     if (setup.editor.use_template_for_new_levels &&
16722         !fileExists(getGlobalLevelTemplateFilename()))
16723     {
16724       Request("No level template found!", REQ_CONFIRM);
16725
16726       return;
16727     }
16728
16729     if (setup.editor.use_template_for_new_levels &&
16730         level.changed &&
16731         !Request("Discard level and load template?", REQ_ASK))
16732     {
16733       return;
16734     }
16735
16736     if (!setup.editor.use_template_for_new_levels &&
16737         level.changed &&
16738         !Request("Discard level and use empty level?", REQ_ASK))
16739     {
16740       return;
16741     }
16742
16743     LoadLevel(level_nr);
16744     LoadScore(level_nr);
16745
16746     TapeErase();
16747
16748     ResetUndoBuffer();
16749     DrawEditModeWindow();
16750   }
16751   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16752   {
16753     SetAutomaticNumberOfGemsNeeded();
16754   }
16755
16756   // do not mark level as modified for certain non-level-changing gadgets
16757   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16758        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16759       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16760        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16761        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16762       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16763     return;
16764
16765   level.changed = TRUE;
16766 }
16767
16768 static void HandleControlButtons(struct GadgetInfo *gi)
16769 {
16770   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16771   static int last_edit_mode = ED_MODE_DRAWING;
16772   static int last_custom_copy_mode = -1;
16773   static int last_button = 0;
16774   int id = gi->custom_id;
16775   int button = gi->event.button;
16776   int step = BUTTON_STEPSIZE(button);
16777   int new_element = BUTTON_ELEMENT(button);
16778   int last_properties_element = properties_element;
16779   int x, y;
16780
16781   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16782     DrawLevelText(0, 0, 0, TEXT_END);
16783
16784   if (id < ED_NUM_CTRL1_BUTTONS &&
16785       id != GADGET_ID_SINGLE_ITEMS &&
16786       id != GADGET_ID_PICK_ELEMENT &&
16787       edit_mode != ED_MODE_DRAWING &&
16788       drawing_function != GADGET_ID_PICK_ELEMENT &&
16789       !(GetKeyModState() & KMOD_Control))
16790     ChangeEditModeWindow(ED_MODE_DRAWING);
16791
16792   // element copy mode active, but no element button pressed => deactivate
16793   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16794     last_custom_copy_mode = -1;
16795
16796   // when showing palette on element buttons, change element of button used
16797   if (editor.palette.show_on_element_buttons &&
16798       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16799   {
16800     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16801
16802     id = GADGET_ID_PALETTE;
16803   }
16804
16805   switch (id)
16806   {
16807     case GADGET_ID_SCROLL_LEFT:
16808       if (level_xpos >= 0)
16809       {
16810         if (lev_fieldx < ed_fieldx - 2)
16811           break;
16812
16813         level_xpos -= step;
16814         if (level_xpos < -1)
16815           level_xpos = -1;
16816         if (button == 1)
16817           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16818         else
16819           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16820
16821         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16822                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16823       }
16824       break;
16825
16826     case GADGET_ID_SCROLL_RIGHT:
16827       if (level_xpos <= lev_fieldx - ed_fieldx)
16828       {
16829         if (lev_fieldx < ed_fieldx - 2)
16830           break;
16831
16832         level_xpos += step;
16833         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16834           level_xpos = lev_fieldx - ed_fieldx + 1;
16835         if (button == 1)
16836           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16837         else
16838           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16839
16840         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16841                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16842       }
16843       break;
16844
16845     case GADGET_ID_SCROLL_UP:
16846       if (level_ypos >= 0)
16847       {
16848         if (lev_fieldy < ed_fieldy - 2)
16849           break;
16850
16851         level_ypos -= step;
16852         if (level_ypos < -1)
16853           level_ypos = -1;
16854         if (button == 1)
16855           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16856         else
16857           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16858
16859         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16860                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16861       }
16862       break;
16863
16864     case GADGET_ID_SCROLL_DOWN:
16865       if (level_ypos <= lev_fieldy - ed_fieldy)
16866       {
16867         if (lev_fieldy < ed_fieldy - 2)
16868           break;
16869
16870         level_ypos += step;
16871         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16872           level_ypos = lev_fieldy - ed_fieldy + 1;
16873         if (button == 1)
16874           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16875         else
16876           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16877
16878         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16879                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16880       }
16881       break;
16882
16883     case GADGET_ID_SCROLL_HORIZONTAL:
16884       level_xpos = gi->event.item_position - 1;
16885
16886       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16887       BackToFront();
16888
16889       break;
16890
16891     case GADGET_ID_SCROLL_VERTICAL:
16892       level_ypos = gi->event.item_position - 1;
16893
16894       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16895       BackToFront();
16896
16897       break;
16898
16899     case GADGET_ID_SCROLL_LIST_UP:
16900     case GADGET_ID_SCROLL_LIST_DOWN:
16901     case GADGET_ID_SCROLL_LIST_VERTICAL:
16902       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16903         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16904       else
16905       {
16906         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16907         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16908
16909         if (element_shift < 0)
16910           element_shift = 0;
16911         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16912           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16913
16914         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16915                      GDI_SCROLLBAR_ITEM_POSITION,
16916                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16917       }
16918
16919       ModifyEditorElementList();
16920
16921       break;
16922
16923     case GADGET_ID_PROPERTIES:
16924       // always switch off element properties when they are already displayed
16925       last_properties_element = new_element;
16926     case GADGET_ID_ELEMENT_LEFT:
16927     case GADGET_ID_ELEMENT_MIDDLE:
16928     case GADGET_ID_ELEMENT_RIGHT:
16929       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16930                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16931                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16932                             new_element);
16933
16934       if (edit_mode != ED_MODE_PROPERTIES)
16935       {
16936         last_edit_mode = edit_mode;
16937
16938         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16939
16940         last_level_drawing_function = drawing_function;
16941         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16942                       MB_LEFTBUTTON);
16943       }
16944       else if (properties_element != last_properties_element)
16945       {
16946         DrawEditModeWindow();
16947       }
16948       else
16949       {
16950         ChangeEditModeWindow(ED_MODE_DRAWING);
16951
16952         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16953                       MB_LEFTBUTTON);
16954       }
16955       break;
16956
16957     case GADGET_ID_PALETTE:
16958       if (edit_mode != ED_MODE_PALETTE)
16959       {
16960         last_edit_mode = edit_mode;
16961
16962         ChangeEditModeWindow(ED_MODE_PALETTE);
16963       }
16964       else
16965       {
16966         ChangeEditModeWindow(last_edit_mode);
16967       }
16968       break;
16969
16970     case GADGET_ID_WRAP_LEFT:
16971       WrapLevel(-step, 0);
16972       break;
16973
16974     case GADGET_ID_WRAP_RIGHT:
16975       WrapLevel(step, 0);
16976       break;
16977
16978     case GADGET_ID_WRAP_UP:
16979       WrapLevel(0, -step);
16980       break;
16981
16982     case GADGET_ID_WRAP_DOWN:
16983       WrapLevel(0, step);
16984       break;
16985
16986     case GADGET_ID_SINGLE_ITEMS:
16987     case GADGET_ID_CONNECTED_ITEMS:
16988     case GADGET_ID_LINE:
16989     case GADGET_ID_ARC:
16990     case GADGET_ID_TEXT:
16991     case GADGET_ID_RECTANGLE:
16992     case GADGET_ID_FILLED_BOX:
16993     case GADGET_ID_FLOOD_FILL:
16994     case GADGET_ID_GRAB_BRUSH:
16995     case GADGET_ID_PICK_ELEMENT:
16996       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16997         last_drawing_function = drawing_function;
16998       drawing_function = id;
16999       draw_with_brush = FALSE;
17000       break;
17001
17002     case GADGET_ID_RANDOM_PLACEMENT:
17003       RandomPlacement(new_element);
17004       break;
17005
17006     case GADGET_ID_ZOOM:
17007       // zoom level editor tile size in or out (or reset to default size)
17008       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
17009                      button == 2 ? ed_tilesize_default :
17010                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
17011
17012       // when using touch device, cycle through all zoom tilesizes
17013       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
17014         ed_tilesize = MICRO_TILESIZE;
17015
17016       // limit zoom level by upper and lower bound
17017       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
17018
17019       InitZoomLevelSettings(ed_tilesize);
17020
17021       if (edit_mode == ED_MODE_DRAWING)
17022       {
17023         DrawDrawingWindow();
17024
17025         // redraw zoom gadget info text
17026         PrintEditorGadgetInfoText(level_editor_gadget[id]);
17027       }
17028
17029       // save current editor zoom tilesize
17030       SaveSetup_AutoSetup();
17031
17032       break;
17033
17034     case GADGET_ID_CUSTOM_COPY_FROM:
17035     case GADGET_ID_CUSTOM_COPY_TO:
17036     case GADGET_ID_CUSTOM_EXCHANGE:
17037       last_custom_copy_mode = id;
17038       last_drawing_function = drawing_function;
17039       break;
17040
17041     case GADGET_ID_CUSTOM_COPY:
17042       CopyCustomElement(properties_element, -1, id);
17043       break;
17044
17045     case GADGET_ID_CUSTOM_PASTE:
17046       CopyCustomElement(-1, properties_element, id);
17047       break;
17048
17049     case GADGET_ID_UNDO:
17050       if (button < 0)   // keep button value (even if modifier keys are pressed)
17051         button = -button;
17052       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
17053         button = 3;
17054
17055       if (button == 1 && undo_buffer_steps == 0)
17056       {
17057         Request("Undo buffer empty!", REQ_CONFIRM);
17058
17059         break;
17060       }
17061       else if (button == 2)
17062       {
17063         break;
17064       }
17065       else if (button == 3 && redo_buffer_steps == 0)
17066       {
17067         Request("Redo buffer empty!", REQ_CONFIRM);
17068
17069         break;
17070       }
17071
17072       if (edit_mode != ED_MODE_DRAWING)
17073         ChangeEditModeWindow(ED_MODE_DRAWING);
17074
17075       if (button == 1)
17076       {
17077         // undo
17078
17079         undo_buffer_position =
17080           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
17081
17082         undo_buffer_steps--;
17083         redo_buffer_steps++;
17084       }
17085       else
17086       {
17087         // redo
17088
17089         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
17090
17091         undo_buffer_steps++;
17092         redo_buffer_steps--;
17093       }
17094
17095       for (x = 0; x < lev_fieldx; x++)
17096         for (y = 0; y < lev_fieldy; y++)
17097           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
17098
17099       // check if undo operation forces change of border style
17100       CheckLevelBorderElement(FALSE);
17101
17102       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
17103
17104       break;
17105
17106     case GADGET_ID_CONF:
17107       if (edit_mode != ED_MODE_LEVELCONFIG)
17108       {
17109         last_edit_mode = edit_mode;
17110
17111         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
17112       }
17113       else
17114       {
17115         ChangeEditModeWindow(ED_MODE_DRAWING);
17116       }
17117       break;
17118
17119     case GADGET_ID_CLEAR:
17120       if (edit_mode != ED_MODE_DRAWING)
17121         ChangeEditModeWindow(ED_MODE_DRAWING);
17122
17123       for (x = 0; x < MAX_LEV_FIELDX; x++)
17124         for (y = 0; y < MAX_LEV_FIELDY; y++)
17125           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
17126
17127       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
17128
17129       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
17130       break;
17131
17132     case GADGET_ID_SAVE:
17133     {
17134       // saving read-only levels into personal level set modifies global vars
17135       // "leveldir_current" and "level_nr"; restore them after saving level
17136       LevelDirTree *leveldir_former = leveldir_current;
17137       int level_nr_former = level_nr;
17138       char *level_filename;
17139       boolean new_level;
17140
17141       if (leveldir_current->readonly &&
17142           !PrepareSavingIntoPersonalLevelSet())
17143         break;
17144
17145       level_filename = getDefaultLevelFilename(level_nr);
17146       new_level = !fileExists(level_filename);
17147
17148       if (new_level ||
17149           Request("Save this level and kill the old?", REQ_ASK))
17150       {
17151         if (leveldir_former->readonly)
17152           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
17153
17154         SetAutomaticNumberOfGemsNeeded();
17155
17156         CopyPlayfield(Tile, level.field);
17157         SaveLevel(level_nr);
17158
17159         level.changed = FALSE;
17160
17161         if (new_level)
17162         {
17163           char level_saved_msg[64];
17164
17165           if (leveldir_former->readonly)
17166             sprintf(level_saved_msg,
17167                     "Level saved as level %d into personal level set!",
17168                     level_nr);
17169           else
17170             strcpy(level_saved_msg, "Level saved!");
17171
17172           Request(level_saved_msg, REQ_CONFIRM);
17173         }
17174       }
17175
17176       // "cd" back to copied-from levelset (in case of saved read-only level)
17177       leveldir_current = leveldir_former;
17178       level_nr = level_nr_former;
17179
17180       break;
17181     }
17182
17183     case GADGET_ID_TEST:
17184       if (LevelChanged())
17185         level.game_version = GAME_VERSION_ACTUAL;
17186
17187       CopyPlayfield(level.field, TileBackup);
17188       CopyPlayfield(Tile, level.field);
17189
17190       CopyNativeLevel_RND_to_Native(&level);
17191
17192       UnmapLevelEditorGadgets();
17193       UndrawSpecialEditorDoor();
17194
17195       CloseDoor(DOOR_CLOSE_ALL);
17196
17197       // needed before playing if editor playfield area has different size
17198       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
17199
17200       // redraw_mask = REDRAW_ALL;
17201
17202       level_editor_test_game = TRUE;
17203
17204       StartGameActions(FALSE, setup.autorecord, level.random_seed);
17205
17206       break;
17207
17208     case GADGET_ID_EXIT:
17209       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
17210       break;
17211
17212     default:
17213       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
17214           id <= GADGET_ID_ELEMENTLIST_LAST)
17215       {
17216         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
17217
17218         new_element = editor_elements[element_position + element_shift];
17219
17220         if (IS_EDITOR_CASCADE(new_element))
17221         {
17222           int i;
17223
17224           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
17225           {
17226             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
17227             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
17228
17229             if (*cascade_element == new_element)
17230             {
17231               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
17232               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
17233
17234               // update element selection list
17235               ReinitializeElementList();
17236               ModifyEditorElementList();
17237
17238               // update cascading gadget info text
17239               PrintEditorGadgetInfoText(level_editor_gadget[id]);
17240
17241               // save current editor cascading state
17242               SaveSetup_EditorCascade();
17243
17244               break;
17245             }
17246           }
17247
17248           break;
17249         }
17250
17251         if (last_custom_copy_mode != -1)
17252         {
17253           if (CopyCustomElement(properties_element, new_element,
17254                                 last_custom_copy_mode))
17255           {
17256             ClickOnGadget(level_editor_gadget[last_drawing_function],
17257                           MB_LEFTBUTTON);
17258
17259             last_custom_copy_mode = -1;
17260           }
17261
17262           break;
17263         }
17264
17265         // change element of button used to show palette
17266         if (editor.palette.show_on_element_buttons)
17267           button = last_button;
17268
17269         PickDrawingElement(button, new_element);
17270
17271         if (!stick_element_properties_window &&
17272             drawing_function != GADGET_ID_PICK_ELEMENT &&
17273             !(GetKeyModState() & KMOD_Control))
17274         {
17275           properties_element = new_element;
17276           if (edit_mode == ED_MODE_PROPERTIES)
17277             DrawPropertiesWindow();
17278         }
17279
17280         if (drawing_function == GADGET_ID_PICK_ELEMENT)
17281           ClickOnGadget(level_editor_gadget[last_drawing_function],
17282                         MB_LEFTBUTTON);
17283
17284         if (!use_permanent_palette)
17285           ChangeEditModeWindow(last_edit_mode);
17286       }
17287 #ifdef DEBUG
17288       else if (gi->event.type == GD_EVENT_PRESSED)
17289         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
17290       else if (gi->event.type == GD_EVENT_RELEASED)
17291         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
17292       else if (gi->event.type == GD_EVENT_MOVING)
17293         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
17294       else
17295         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
17296 #endif
17297       break;
17298   }
17299 }
17300
17301 void HandleLevelEditorKeyInput(Key key)
17302 {
17303   char letter = getCharFromKey(key);
17304
17305   if (drawing_function == GADGET_ID_TEXT &&
17306       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
17307   {
17308     if (letter)
17309       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
17310     else if (key == KSYM_Delete || key == KSYM_BackSpace)
17311       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
17312     else if (key == KSYM_Return)
17313       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
17314     else if (key == KSYM_Escape)
17315       DrawLevelText(0, 0, 0, TEXT_END);
17316
17317     return;
17318   }
17319
17320   int id = GADGET_ID_NONE;
17321   int new_element_shift = element_shift;
17322   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
17323   int button = MB_LEFTBUTTON;
17324   int i;
17325
17326   switch (key)
17327   {
17328     case KSYM_Left:
17329       id = GADGET_ID_SCROLL_LEFT;
17330       break;
17331     case KSYM_Right:
17332       id = GADGET_ID_SCROLL_RIGHT;
17333       break;
17334     case KSYM_Up:
17335       id = GADGET_ID_SCROLL_UP;
17336       break;
17337     case KSYM_Down:
17338       id = GADGET_ID_SCROLL_DOWN;
17339       break;
17340
17341     case KSYM_Page_Up:
17342     case KSYM_Page_Down:
17343       step *= (key == KSYM_Page_Up ? -1 : +1);
17344       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
17345
17346       if (element_shift < 0)
17347         element_shift = 0;
17348       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17349         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17350
17351       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17352                    GDI_SCROLLBAR_ITEM_POSITION,
17353                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17354
17355       ModifyEditorElementList();
17356
17357       break;
17358
17359     case KSYM_Home:
17360     case KSYM_End:
17361       element_shift = (key == KSYM_Home ? 0 :
17362                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
17363
17364       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17365                    GDI_SCROLLBAR_ITEM_POSITION,
17366                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17367
17368       ModifyEditorElementList();
17369
17370       break;
17371
17372     case KSYM_Insert:
17373     case KSYM_Delete:
17374
17375       // this is needed to prevent interference with running "True X-Mouse"
17376       if (GetKeyModStateFromEvents() & KMOD_Control)
17377         break;
17378
17379       // check for last or next editor cascade block in element list
17380       for (i = 0; i < num_editor_elements; i++)
17381       {
17382         if ((key == KSYM_Insert && i == element_shift) ||
17383             (key == KSYM_Delete && new_element_shift > element_shift))
17384           break;
17385
17386         // jump to next cascade block (or to start of element list)
17387         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
17388           new_element_shift = i;
17389       }
17390
17391       if (i < num_editor_elements)
17392         element_shift = new_element_shift;
17393
17394       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17395         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17396
17397       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17398                    GDI_SCROLLBAR_ITEM_POSITION,
17399                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17400
17401       ModifyEditorElementList();
17402
17403       break;
17404
17405     case KSYM_Escape:
17406       if (edit_mode == ED_MODE_DRAWING)
17407         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
17408       else if (edit_mode == ED_MODE_LEVELCONFIG)
17409         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
17410       else if (edit_mode == ED_MODE_PROPERTIES)
17411         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
17412       else if (edit_mode == ED_MODE_PALETTE)
17413         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
17414       else              // should never happen
17415         ChangeEditModeWindow(ED_MODE_DRAWING);
17416
17417       break;
17418
17419     default:
17420       break;
17421   }
17422
17423   if (id != GADGET_ID_NONE)
17424     ClickOnGadget(level_editor_gadget[id], button);
17425   else if (letter == '1' || letter == '?')
17426     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
17427   else if (letter == '2')
17428     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
17429   else if (letter == '3')
17430     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
17431   else if (letter == '.')
17432     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
17433   else if (letter == 'U')
17434     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
17435   else if (letter == '-' || key == KSYM_KP_Subtract)
17436     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
17437   else if (letter == '0' || key == KSYM_KP_0)
17438     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
17439   else if (letter == '+' || key == KSYM_KP_Add ||
17440            letter == '=')       // ("Shift-=" is "+" on US keyboards)
17441     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
17442   else if (key == KSYM_Return ||
17443            key == KSYM_space ||
17444            key == setup.shortcut.toggle_pause)
17445     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
17446   else
17447     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
17448       if (letter && letter == controlbutton_info[i].shortcut)
17449         if (!anyTextGadgetActive())
17450           ClickOnGadget(level_editor_gadget[i], button);
17451
17452   if (draw_with_brush)
17453   {
17454     if (letter == 'x')
17455       FlipBrushX();
17456     else if (letter == 'y')
17457       FlipBrushY();
17458     else if (letter == 'z')
17459       RotateBrush();
17460   }
17461 }
17462
17463 static void HandleLevelEditorIdle_Properties(void)
17464 {
17465   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
17466   int x = editor.settings.element_graphic.x + element_border;
17467   int y = editor.settings.element_graphic.y + element_border;
17468   static DelayCounter action_delay = { 0 };
17469   int i;
17470
17471   action_delay.value = GameFrameDelay;
17472
17473   if (!DelayReached(&action_delay))
17474     return;
17475
17476   for (i = 0; i < ED_NUM_SELECTBOX; i++)
17477   {
17478     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
17479
17480     if (gi->mapped && gi->active && gi->selectbox.open)
17481       return;
17482   }
17483
17484   DrawEditorElementAnimation(SX + x, SY + y);
17485
17486   redraw_mask |= REDRAW_FIELD;
17487
17488   FrameCounter++;       // increase animation frame counter
17489 }
17490
17491 static void HandleLevelEditorIdle_Drawing(void)
17492 {
17493   static boolean last_highlighted = FALSE;
17494   static boolean last_highlighted_similar = FALSE;
17495   boolean highlighted = (GetKeyModState() & KMOD_Alt);
17496   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
17497
17498   if (highlighted != last_highlighted ||
17499       (highlighted && highlighted_similar != last_highlighted_similar))
17500   {
17501     DrawAreaElementHighlight(highlighted, highlighted_similar);
17502
17503     redraw_mask |= REDRAW_FIELD;
17504   }
17505
17506   last_highlighted = highlighted;
17507   last_highlighted_similar = highlighted_similar;
17508 }
17509
17510 void HandleLevelEditorIdle(void)
17511 {
17512   if (edit_mode == ED_MODE_PROPERTIES)
17513     HandleLevelEditorIdle_Properties();
17514   else if (edit_mode == ED_MODE_DRAWING)
17515     HandleLevelEditorIdle_Drawing();
17516 }
17517
17518 static void ClearEditorGadgetInfoText(void)
17519 {
17520   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
17521 }
17522
17523 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
17524 {
17525   char infotext[MAX_OUTPUT_LINESIZE + 1];
17526   int max_infotext_len = getMaxInfoTextLength();
17527
17528   if (gi == NULL || strlen(gi->info_text) == 0)
17529     return;
17530
17531   strncpy(infotext, gi->info_text, max_infotext_len);
17532   infotext[max_infotext_len] = '\0';
17533
17534   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
17535   {
17536     int key = controlbutton_info[gi->custom_id].shortcut;
17537
17538     if (key)
17539     {
17540       char shortcut[MAX_OUTPUT_LINESIZE + 1];
17541
17542       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
17543         sprintf(shortcut, " ('.' or '%c')", key);
17544       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
17545         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
17546       else if (gi->custom_id == GADGET_ID_TEST)
17547         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
17548       else if (gi->custom_id == GADGET_ID_UNDO)
17549         sprintf(shortcut, " ('%c/Shift-U')", key);
17550       else if (gi->custom_id == GADGET_ID_ZOOM)
17551         sprintf(shortcut, " ('%c', '0', '-')", key);
17552       else
17553         sprintf(shortcut, " ('%s%c')",
17554                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
17555
17556       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
17557         strcat(infotext, shortcut);
17558     }
17559   }
17560
17561   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
17562 }
17563
17564 void HandleEditorGadgetInfoText(void *ptr)
17565 {
17566   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
17567
17568   if (game_status != GAME_MODE_EDITOR)
17569     return;
17570
17571   ClearEditorGadgetInfoText();
17572
17573   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
17574     return;
17575
17576   // misuse this function to delete brush cursor, if needed
17577   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
17578     DeleteBrushFromCursor();
17579
17580   PrintEditorGadgetInfoText(gi);
17581 }
17582
17583 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
17584 {
17585   int id = gi->custom_id;
17586   int type_id = gi->custom_type_id;
17587   int sx = gi->event.x;
17588   int sy = gi->event.y;
17589   int lx = sx + level_xpos;
17590   int ly = sy + level_ypos;
17591   int min_sx = 0, min_sy = 0;
17592   int max_sx = gi->drawing.area_xsize - 1;
17593   int max_sy = gi->drawing.area_ysize - 1;
17594   int actual_drawing_function = drawing_function;
17595   int max_infotext_len = getMaxInfoTextLength();
17596   char infotext[MAX_OUTPUT_LINESIZE + 1];
17597
17598   infotext[0] = '\0';           // start with empty info text
17599
17600   // pressed Control key: simulate picking element
17601   if (GetKeyModState() & KMOD_Control)
17602     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
17603
17604   ClearEditorGadgetInfoText();
17605
17606   if (gi->event.type == GD_EVENT_INFO_LEAVING)
17607     return;
17608
17609   // make sure to stay inside drawing area boundaries
17610   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
17611   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
17612
17613   if (id == GADGET_ID_DRAWING_LEVEL)
17614   {
17615     if (button_status)
17616     {
17617       int min_lx = 0, min_ly = 0;
17618       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
17619
17620       // get positions inside level field
17621       lx = sx + level_xpos;
17622       ly = sy + level_ypos;
17623
17624       // make sure to stay inside level field boundaries
17625       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
17626       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
17627
17628       // correct drawing area positions accordingly
17629       sx = lx - level_xpos;
17630       sy = ly - level_ypos;
17631     }
17632
17633     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17634     {
17635       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17636       {
17637         static int start_lx = 0;
17638         static int start_ly = 0;
17639         char *text;
17640
17641         if (gi->event.type == GD_EVENT_PRESSED)
17642         {
17643           start_lx = lx;
17644           start_ly = ly;
17645         }
17646
17647         switch (actual_drawing_function)
17648         {
17649           case GADGET_ID_SINGLE_ITEMS:
17650             text = "Drawing single items";
17651             break;
17652           case GADGET_ID_CONNECTED_ITEMS:
17653             text = "Drawing connected items";
17654             break;
17655           case GADGET_ID_LINE:
17656             text = "Drawing line";
17657             break;
17658           case GADGET_ID_ARC:
17659             text = "Drawing arc";
17660             break;
17661           case GADGET_ID_TEXT:
17662             text = "Setting text cursor";
17663             break;
17664           case GADGET_ID_RECTANGLE:
17665             text = "Drawing rectangle";
17666             break;
17667           case GADGET_ID_FILLED_BOX:
17668             text = "Drawing filled box";
17669             break;
17670           case GADGET_ID_FLOOD_FILL:
17671             text = "Flood fill";
17672             break;
17673           case GADGET_ID_GRAB_BRUSH:
17674             text = "Grabbing brush";
17675             break;
17676           case GADGET_ID_PICK_ELEMENT:
17677             text = "Picking element";
17678             break;
17679
17680           default:
17681             text = "Drawing position";
17682             break;
17683         }
17684
17685         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17686           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17687         else
17688           sprintf(infotext, "%s: %d, %d", text,
17689                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17690       }
17691       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17692         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17693       else
17694         sprintf(infotext, "Level position: %d, %d", lx, ly);
17695     }
17696
17697     // misuse this function to draw brush cursor, if needed
17698     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17699     {
17700       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17701         CopyBrushToCursor(sx, sy);
17702       else
17703         DeleteBrushFromCursor();
17704     }
17705
17706     if (!draw_with_brush)
17707       UpdateBrushPosition(sx, sy);
17708   }
17709   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17710   {
17711     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17712     int element = drawingarea_info[type_id].value[pos];
17713
17714     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17715   }
17716   else
17717   {
17718     if (id == GADGET_ID_CUSTOM_CONTENT)
17719       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17720     else if (id == GADGET_ID_GROUP_CONTENT)
17721       sprintf(infotext, "group element position: %d", sx + 1);
17722     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17723              id <= GADGET_ID_YAMYAM_CONTENT_7)
17724       sprintf(infotext, "content area %d position: %d, %d",
17725               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17726     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17727              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17728       sprintf(infotext, "content area %d position: %d, %d",
17729               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17730     else if (id == GADGET_ID_ANDROID_CONTENT)
17731       sprintf(infotext, "android element position: %d", sx + 1);
17732     else if (drawingarea_info[type_id].infotext != NULL)
17733       strcpy(infotext, drawingarea_info[type_id].infotext);
17734   }
17735
17736   infotext[max_infotext_len] = '\0';
17737
17738   if (strlen(infotext) > 0)
17739     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17740 }
17741
17742 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17743                             boolean quick_quit)
17744 {
17745   if (!ask_if_level_has_changed ||
17746       !LevelChanged() ||
17747       Request("Level has changed! Exit without saving?",
17748               REQ_ASK | REQ_STAY_OPEN))
17749   {
17750     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17751     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17752
17753     // draw normal door
17754     UndrawSpecialEditorDoor();
17755
17756     // use door animation if door 1 viewport is unchanged and contains toolbox
17757     if (useEditorDoorAnimation())
17758       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17759
17760     // close editor doors if viewport definition is the same as in main menu
17761     if (vp_door_1->x      == DX     &&
17762         vp_door_1->y      == DY     &&
17763         vp_door_1->width  == DXSIZE &&
17764         vp_door_1->height == DYSIZE &&
17765         vp_door_2->x      == VX     &&
17766         vp_door_2->y      == VY     &&
17767         vp_door_2->width  == VXSIZE &&
17768         vp_door_2->height == VYSIZE)
17769       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17770     else
17771       SetDoorState(DOOR_CLOSE_ALL);
17772
17773     BackToFront();
17774
17775     if (quick_quit)
17776       FadeSkipNextFadeIn();
17777
17778     SetGameStatus(GAME_MODE_MAIN);
17779
17780     DrawMainMenu();
17781   }
17782   else
17783   {
17784     if (!global.use_envelope_request)
17785     {
17786       CloseDoor(DOOR_CLOSE_1);
17787       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17788     }
17789   }
17790 }