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_ELEMENT_NAME,
 684
 685   // text area identifiers
 686
 687   GADGET_ID_ENVELOPE_INFO,
 688
 689   // selectbox identifiers
 690
 691   GADGET_ID_TIME_OR_STEPS,
 692   GADGET_ID_TIME_SCORE_BASE,
 693   GADGET_ID_GAME_ENGINE_TYPE,
 694   GADGET_ID_LEVELSET_SAVE_MODE,
 695   GADGET_ID_BD_SCHEDULING_TYPE,
 696   GADGET_ID_WIND_DIRECTION,
 697   GADGET_ID_PLAYER_SPEED,
 698   GADGET_ID_BD_GRAVITY_DIRECTION,
 699   GADGET_ID_MM_BALL_CHOICE_MODE,
 700   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 701   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 702   GADGET_ID_CUSTOM_DEADLINESS,
 703   GADGET_ID_CUSTOM_MOVE_PATTERN,
 704   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 705   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 706   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 707   GADGET_ID_CUSTOM_SMASH_TARGETS,
 708   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 709   GADGET_ID_CUSTOM_ACCESS_TYPE,
 710   GADGET_ID_CUSTOM_ACCESS_LAYER,
 711   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 712   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 713   GADGET_ID_CHANGE_TIME_UNITS,
 714   GADGET_ID_CHANGE_DIRECT_ACTION,
 715   GADGET_ID_CHANGE_OTHER_ACTION,
 716   GADGET_ID_CHANGE_SIDE,
 717   GADGET_ID_CHANGE_PLAYER,
 718   GADGET_ID_CHANGE_PAGE,
 719   GADGET_ID_CHANGE_REPLACE_WHEN,
 720   GADGET_ID_ACTION_TYPE,
 721   GADGET_ID_ACTION_MODE,
 722   GADGET_ID_ACTION_ARG,
 723   GADGET_ID_SELECT_CHANGE_PAGE,
 724   GADGET_ID_GROUP_CHOICE_MODE,
 725
 726   // textbutton identifiers
 727
 728   GADGET_ID_LEVELCONFIG_LEVEL,
 729   GADGET_ID_LEVELCONFIG_LEVELSET,
 730   GADGET_ID_LEVELCONFIG_EDITOR,
 731   GADGET_ID_LEVELCONFIG_ENGINE,
 732   GADGET_ID_ENGINECONFIG_CONFIG,
 733   GADGET_ID_ENGINECONFIG_COLORS,
 734   GADGET_ID_PROPERTIES_INFO,
 735   GADGET_ID_PROPERTIES_CONFIG,
 736   GADGET_ID_PROPERTIES_CONFIG_1,
 737   GADGET_ID_PROPERTIES_CONFIG_2,
 738   GADGET_ID_PROPERTIES_CHANGE,
 739   GADGET_ID_SAVE_AS_TEMPLATE_1,
 740   GADGET_ID_SAVE_AS_TEMPLATE_2,
 741   GADGET_ID_SAVE_LEVELSET,
 742   GADGET_ID_ADD_CHANGE_PAGE,
 743   GADGET_ID_DEL_CHANGE_PAGE,
 744
 745   // graphicbutton identifiers
 746
 747   GADGET_ID_PREV_CHANGE_PAGE,
 748   GADGET_ID_NEXT_CHANGE_PAGE,
 749   GADGET_ID_COPY_CHANGE_PAGE,
 750   GADGET_ID_PASTE_CHANGE_PAGE,
 751
 752   // gadgets for scrolling of drawing area
 753
 754   GADGET_ID_SCROLL_UP,
 755   GADGET_ID_SCROLL_DOWN,
 756   GADGET_ID_SCROLL_LEFT,
 757   GADGET_ID_SCROLL_RIGHT,
 758   GADGET_ID_SCROLL_HORIZONTAL,
 759   GADGET_ID_SCROLL_VERTICAL,
 760
 761   // gadgets for scrolling element list
 762
 763   GADGET_ID_SCROLL_LIST_UP,
 764   GADGET_ID_SCROLL_LIST_DOWN,
 765   GADGET_ID_SCROLL_LIST_VERTICAL,
 766
 767   // checkbuttons/radiobuttons for level/element properties
 768
 769   GADGET_ID_AUTO_COUNT_GEMS,
 770   GADGET_ID_RATE_TIME_OVER_SCORE,
 771   GADGET_ID_USE_LEVELSET_ARTWORK,
 772   GADGET_ID_COPY_LEVEL_TEMPLATE,
 773   GADGET_ID_RANDOM_PERCENTAGE,
 774   GADGET_ID_RANDOM_QUANTITY,
 775   GADGET_ID_RANDOM_RESTRICTED,
 776   GADGET_ID_BD_INTERMISSION,
 777   GADGET_ID_BD_PAL_TIMING,
 778   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 779   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 780   GADGET_ID_BD_SHORT_EXPLOSIONS,
 781   GADGET_ID_STICK_ELEMENT,
 782   GADGET_ID_EM_SLIPPERY_GEMS,
 783   GADGET_ID_EM_EXPLODES_BY_FIRE,
 784   GADGET_ID_USE_SPRING_BUG,
 785   GADGET_ID_USE_TIME_ORB_BUG,
 786   GADGET_ID_USE_LIFE_BUGS,
 787   GADGET_ID_RANDOM_BALL_CONTENT,
 788   GADGET_ID_INITIAL_BALL_ACTIVE,
 789   GADGET_ID_GROW_INTO_DIGGABLE,
 790   GADGET_ID_SB_FIELDS_NEEDED,
 791   GADGET_ID_SB_OBJECTS_NEEDED,
 792   GADGET_ID_AUTO_EXIT_SOKOBAN,
 793   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 794   GADGET_ID_FINISH_DIG_COLLECT,
 795   GADGET_ID_KEEP_WALKABLE_CE,
 796   GADGET_ID_CONTINUOUS_SNAPPING,
 797   GADGET_ID_BLOCK_SNAP_FIELD,
 798   GADGET_ID_BLOCK_LAST_FIELD,
 799   GADGET_ID_SP_BLOCK_LAST_FIELD,
 800   GADGET_ID_INSTANT_RELOCATION,
 801   GADGET_ID_SHIFTED_RELOCATION,
 802   GADGET_ID_LAZY_RELOCATION,
 803   GADGET_ID_USE_START_ELEMENT,
 804   GADGET_ID_USE_ARTWORK_ELEMENT,
 805   GADGET_ID_USE_EXPLOSION_ELEMENT,
 806   GADGET_ID_INITIAL_GRAVITY,
 807   GADGET_ID_USE_INITIAL_INVENTORY,
 808   GADGET_ID_CAN_PASS_TO_WALKABLE,
 809   GADGET_ID_CAN_FALL_INTO_ACID,
 810   GADGET_ID_CAN_MOVE_INTO_ACID,
 811   GADGET_ID_DONT_COLLIDE_WITH,
 812   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 813   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 814   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 815   GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,
 816   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 817   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 818   GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,
 819   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 820   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 821   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 822   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 823   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 824   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 825   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 826   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 827   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 828   GADGET_ID_BD_REPLICATORS_ACTIVE,
 829   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 830   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 831   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 832   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 833   GADGET_ID_BD_INFINITE_ROCKETS,
 834   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 835   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 836   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 837   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 838   GADGET_ID_ENVELOPE_AUTOWRAP,
 839   GADGET_ID_ENVELOPE_CENTERED,
 840   GADGET_ID_MM_LASER_RED,
 841   GADGET_ID_MM_LASER_GREEN,
 842   GADGET_ID_MM_LASER_BLUE,
 843   GADGET_ID_DF_LASER_RED,
 844   GADGET_ID_DF_LASER_GREEN,
 845   GADGET_ID_DF_LASER_BLUE,
 846   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 847   GADGET_ID_EXPLODE_MM_BALL,
 848   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 849   GADGET_ID_CUSTOM_CAN_EXPLODE,
 850   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 851   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 852   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 853   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 854   GADGET_ID_CUSTOM_DEADLY,
 855   GADGET_ID_CUSTOM_CAN_MOVE,
 856   GADGET_ID_CUSTOM_CAN_FALL,
 857   GADGET_ID_CUSTOM_CAN_SMASH,
 858   GADGET_ID_CUSTOM_SLIPPERY,
 859   GADGET_ID_CUSTOM_ACCESSIBLE,
 860   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 861   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 862   GADGET_ID_CUSTOM_USE_GRAPHIC,
 863   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 864   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 865   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 866   GADGET_ID_CUSTOM_CAN_CHANGE,
 867   GADGET_ID_CHANGE_USE_CONTENT,
 868   GADGET_ID_CHANGE_USE_EXPLOSION,
 869   GADGET_ID_CHANGE_ONLY_COMPLETE,
 870   GADGET_ID_CHANGE_USE_RANDOM,
 871   GADGET_ID_CHANGE_HAS_ACTION,
 872   GADGET_ID_CHANGE_DELAY,
 873   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 874   GADGET_ID_CHANGE_BY_OTHER_ACT,
 875
 876   NUM_STATIC_GADGET_IDS
 877 };
 878
 879 // gadgets for buttons in element list (dynamic)
 880 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 881 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 882                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 883
 884 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 885
 886 // radio button numbers
 887 enum
 888 {
 889   RADIO_NR_NONE,
 890   RADIO_NR_DRAWING_TOOLBOX,
 891   RADIO_NR_RANDOM_ELEMENTS
 892 };
 893
 894 // values for counter gadgets
 895 enum
 896 {
 897   ED_COUNTER_ID_SELECT_LEVEL,
 898   ED_COUNTER_ID_LEVEL_XSIZE,
 899   ED_COUNTER_ID_LEVEL_YSIZE,
 900   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 901   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 902   ED_COUNTER_ID_LEVEL_TIMESCORE,
 903   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 904   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 905   ED_COUNTER_ID_LEVEL_RANDOM,
 906   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 907   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 908   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 909   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 910   ED_COUNTER_ID_BD_PUSHING_PROB,
 911   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 912   ED_COUNTER_ID_ELEMENT_VALUE1,
 913   ED_COUNTER_ID_ELEMENT_VALUE2,
 914   ED_COUNTER_ID_ELEMENT_VALUE3,
 915   ED_COUNTER_ID_ELEMENT_VALUE4,
 916   ED_COUNTER_ID_YAMYAM_CONTENT,
 917   ED_COUNTER_ID_BALL_CONTENT,
 918   ED_COUNTER_ID_ANDROID_CONTENT,
 919   ED_COUNTER_ID_ENVELOPE_XSIZE,
 920   ED_COUNTER_ID_ENVELOPE_YSIZE,
 921   ED_COUNTER_ID_INVENTORY_SIZE,
 922   ED_COUNTER_ID_MM_BALL_CONTENT,
 923   ED_COUNTER_ID_CUSTOM_SCORE,
 924   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 925   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 926   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 927   ED_COUNTER_ID_PUSH_DELAY_FIX,
 928   ED_COUNTER_ID_PUSH_DELAY_RND,
 929   ED_COUNTER_ID_DROP_DELAY_FIX,
 930   ED_COUNTER_ID_DROP_DELAY_RND,
 931   ED_COUNTER_ID_MOVE_DELAY_FIX,
 932   ED_COUNTER_ID_MOVE_DELAY_RND,
 933   ED_COUNTER_ID_STEP_DELAY_FIX,
 934   ED_COUNTER_ID_STEP_DELAY_RND,
 935   ED_COUNTER_ID_EXPLOSION_DELAY,
 936   ED_COUNTER_ID_IGNITION_DELAY,
 937   ED_COUNTER_ID_GROUP_CONTENT,
 938   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 939   ED_COUNTER_ID_CHANGE_DELAY_RND,
 940   ED_COUNTER_ID_CHANGE_CONT_RND,
 941
 942   ED_NUM_COUNTERBUTTONS
 943 };
 944
 945 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 946 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 947 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 948 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 949 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 950 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 951
 952 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 953 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 954 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 955 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 956 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 957 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 958
 959 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 960 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 961
 962 // values for scrollbutton gadgets
 963 enum
 964 {
 965   ED_SCROLLBUTTON_ID_AREA_UP,
 966   ED_SCROLLBUTTON_ID_AREA_DOWN,
 967   ED_SCROLLBUTTON_ID_AREA_LEFT,
 968   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 969   ED_SCROLLBUTTON_ID_LIST_UP,
 970   ED_SCROLLBUTTON_ID_LIST_DOWN,
 971
 972   ED_NUM_SCROLLBUTTONS
 973 };
 974
 975 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 976 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 977
 978 // values for scrollbar gadgets
 979 enum
 980 {
 981   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 982   ED_SCROLLBAR_ID_AREA_VERTICAL,
 983   ED_SCROLLBAR_ID_LIST_VERTICAL,
 984
 985   ED_NUM_SCROLLBARS
 986 };
 987
 988 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 989 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 990
 991 // values for text input gadgets
 992 enum
 993 {
 994   ED_TEXTINPUT_ID_LEVEL_NAME,
 995   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 996   ED_TEXTINPUT_ID_LEVELSET_NAME,
 997   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 998   ED_TEXTINPUT_ID_ELEMENT_NAME,
 999
1000   ED_NUM_TEXTINPUT
1001 };
1002
1003 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
1004 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
1005
1006 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
1007 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
1008
1009 // values for text area gadgets
1010 enum
1011 {
1012   ED_TEXTAREA_ID_ENVELOPE_INFO,
1013
1014   ED_NUM_TEXTAREAS
1015 };
1016
1017 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
1018 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
1019
1020 // values for selectbox gadgets
1021 enum
1022 {
1023   ED_SELECTBOX_ID_TIME_OR_STEPS,
1024   ED_SELECTBOX_ID_TIME_SCORE_BASE,
1025   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
1026   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
1027   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
1028   ED_SELECTBOX_ID_WIND_DIRECTION,
1029   ED_SELECTBOX_ID_PLAYER_SPEED,
1030   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
1031   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
1032   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
1033   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
1034   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
1035   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
1036   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
1037   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
1038   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
1039   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
1040   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
1041   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
1042   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
1043   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
1044   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
1045   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
1046   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
1047   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
1048   ED_SELECTBOX_ID_CHANGE_SIDE,
1049   ED_SELECTBOX_ID_CHANGE_PLAYER,
1050   ED_SELECTBOX_ID_CHANGE_PAGE,
1051   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
1052   ED_SELECTBOX_ID_ACTION_TYPE,
1053   ED_SELECTBOX_ID_ACTION_MODE,
1054   ED_SELECTBOX_ID_ACTION_ARG,
1055   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
1056   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
1057
1058   ED_NUM_SELECTBOX
1059 };
1060
1061 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
1062 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
1063
1064 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1065 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1066
1067 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1068 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1069
1070 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
1071 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
1072 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
1073 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
1074 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
1075 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
1076
1077 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
1078 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1079
1080 // values for textbutton gadgets
1081 enum
1082 {
1083   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1084   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1085   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1086   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1087   ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
1088   ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
1089   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1090   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1091   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1092   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1093   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1094   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1095   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1096   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1097   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1098   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1099
1100   ED_NUM_TEXTBUTTONS
1101 };
1102
1103 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1104 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1105
1106 #define ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1107 #define ED_TAB_BUTTON_ID_ENGINECONFIG_LAST  ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1108
1109 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1110 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1111
1112 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1113 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1114
1115 // values for graphicbutton gadgets
1116 enum
1117 {
1118   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1119   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1120   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1121   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1122
1123   ED_NUM_GRAPHICBUTTONS
1124 };
1125
1126 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1127 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1128
1129 // values for checkbutton gadgets
1130 enum
1131 {
1132   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1133   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1134   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1135   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1136   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1137   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1138   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1139   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1140   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1141   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1142   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1143   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1144   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1145   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1146   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1147   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1148   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1149   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1150   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1151   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1152   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1153   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1154   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1155   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1156   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1157   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1158   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1159   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1160   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1161   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1162   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1163   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1164   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1165   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1166   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1167   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1168   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1169   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1170   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1171   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1172   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1173   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1174   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1175   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1176   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1177   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1178   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
1179   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1180   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1181   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
1182   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1183   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1184   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1185   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1186   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1187   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1188   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1189   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1190   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1191   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1192   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1193   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1194   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1195   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1196   ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
1197   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1198   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1199   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1200   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1201   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1202   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1203   ED_CHECKBUTTON_ID_MM_LASER_RED,
1204   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1205   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1206   ED_CHECKBUTTON_ID_DF_LASER_RED,
1207   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1208   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1209   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1210   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1211   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1212   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1213   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1214   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1215   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1216   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1217   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1218   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1219   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1220   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1221   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1222   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1223   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1224   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1225   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1226   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1227   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1228   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1229   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1230   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1231   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1232   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1233   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1234   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1235   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1236
1237   ED_NUM_CHECKBUTTONS
1238 };
1239
1240 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1241 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1242
1243 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1244 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1245
1246 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1247 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1248
1249 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1250 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1251
1252 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1253 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1254 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1255 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1256 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1257 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1258
1259 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1260 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1261
1262 // values for radiobutton gadgets
1263 enum
1264 {
1265   ED_RADIOBUTTON_ID_PERCENTAGE,
1266   ED_RADIOBUTTON_ID_QUANTITY,
1267
1268   ED_NUM_RADIOBUTTONS
1269 };
1270
1271 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1272 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1273
1274 // values for drawing area gadgets
1275 enum
1276 {
1277   ED_DRAWING_ID_DRAWING_LEVEL,
1278   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1279   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1280   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1281   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1282   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1283   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1284   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1285   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1286   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1287   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1288   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1289   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1290   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1291   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1292   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1293   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1294   ED_DRAWING_ID_ANDROID_CONTENT,
1295   ED_DRAWING_ID_AMOEBA_CONTENT,
1296   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1297   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1298   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1299   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1300   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1301   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1302   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1303   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1304   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1305   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1306   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1307   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1308   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1309   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1310   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1311   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1312   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1313   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1314   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1315   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1316   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1317   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1318   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1319   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1320   ED_DRAWING_ID_BD_NUT_CONTENT,
1321   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1322   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1323   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
1324   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
1325   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
1326   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
1327   ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
1328   ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
1329   ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
1330   ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
1331   ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
1332   ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
1333   ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
1334   ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
1335   ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
1336   ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
1337   ED_DRAWING_ID_START_ELEMENT,
1338   ED_DRAWING_ID_ARTWORK_ELEMENT,
1339   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1340   ED_DRAWING_ID_INVENTORY_CONTENT,
1341   ED_DRAWING_ID_MM_BALL_CONTENT,
1342   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1343   ED_DRAWING_ID_CUSTOM_CONTENT,
1344   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1345   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1346   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1347   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1348   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1349   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1350   ED_DRAWING_ID_GROUP_CONTENT,
1351   ED_DRAWING_ID_RANDOM_BACKGROUND,
1352
1353   ED_NUM_DRAWING_AREAS
1354 };
1355
1356 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1357 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1358
1359
1360 // ----------------------------------------------------------------------------
1361 // some internally used definitions
1362 // ----------------------------------------------------------------------------
1363
1364 // values for CopyLevelToUndoBuffer()
1365 #define UNDO_IMMEDIATE                  0
1366 #define UNDO_ACCUMULATE                 1
1367
1368 // values for scrollbars
1369 #define ED_SCROLL_NO                    0
1370 #define ED_SCROLL_LEFT                  1
1371 #define ED_SCROLL_RIGHT                 2
1372 #define ED_SCROLL_UP                    4
1373 #define ED_SCROLL_DOWN                  8
1374
1375 // screens in the level editor
1376 #define ED_MODE_DRAWING                 0
1377 #define ED_MODE_LEVELCONFIG             1
1378 #define ED_MODE_PROPERTIES              2
1379 #define ED_MODE_PALETTE                 3
1380
1381 // sub-screens in the global settings section
1382 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1383 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1384 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1385 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1386
1387 // sub-screens in the engine settings section
1388 #define ED_MODE_ENGINECONFIG_CONFIG     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1389 #define ED_MODE_ENGINECONFIG_COLORS     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1390
1391 // sub-screens in the element properties section
1392 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1393 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1394 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1395 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1396 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1397
1398 // how many steps can be cancelled
1399 #define NUM_UNDO_STEPS                  (64 + 1)
1400
1401 // values for elements with score for certain actions
1402 #define MIN_SCORE                       0
1403 #define MAX_SCORE                       999
1404
1405 // values for elements with count for collecting
1406 #define MIN_COLLECT_COUNT               0
1407 #define MAX_COLLECT_COUNT               999
1408
1409 // values for random placement
1410 #define RANDOM_USE_PERCENTAGE           0
1411 #define RANDOM_USE_QUANTITY             1
1412
1413 // values for level set save mode
1414 #define LEVELSET_SAVE_MODE_UPDATE       0
1415 #define LEVELSET_SAVE_MODE_CREATE       1
1416
1417 // default value for element tile size in drawing area
1418 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1419 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1420
1421
1422 // ----------------------------------------------------------------------------
1423 // some internally used data structure definitions
1424 // ----------------------------------------------------------------------------
1425
1426 static struct
1427 {
1428   int graphic;
1429   int gadget_id;
1430   struct XYTileSize *pos;
1431   int gadget_type;
1432   char *infotext;
1433   char shortcut;
1434 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1435 {
1436   // note: some additional characters are already reserved for "cheat mode"
1437   // shortcuts (":XYZ" style) -- for details, see "events.c"
1438
1439   // ---------- toolbox control buttons ---------------------------------------
1440
1441   {
1442     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1443     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1444     "Draw single items",                        's'
1445   },
1446   {
1447     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1448     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1449     "Draw connected items",                     'd'
1450   },
1451   {
1452     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1453     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1454     "Draw lines",                               'l'
1455   },
1456   {
1457     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1458     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1459     "Draw arcs",                                'a'
1460   },
1461   {
1462     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1463     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1464     "Draw outline rectangles",                  'r'
1465   },
1466   {
1467     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1468     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1469     "Draw filled rectangles",                   'R'
1470   },
1471   {
1472     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1473     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1474     "Wrap (rotate) level up",                   0
1475   },
1476   {
1477     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1478     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1479     "Enter text elements",                      't'
1480   },
1481   {
1482     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1483     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1484     "Flood fill",                               'f'
1485   },
1486   {
1487     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1488     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1489     "Wrap (rotate) level left",                 0
1490   },
1491   {
1492     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1493     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1494     "Zoom level tile size",                     '+'
1495   },
1496   {
1497     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1498     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1499     "Wrap (rotate) level right",                0
1500   },
1501   {
1502     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1503     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1504     "Random element placement",                 0
1505   },
1506   {
1507     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1508     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1509     "Grab brush",                               'b'
1510   },
1511   {
1512     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1513     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1514     "Wrap (rotate) level down",                 0
1515   },
1516   {
1517     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1518     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1519     "Pick drawing element",                     ','
1520   },
1521
1522   // ---------- level control buttons -----------------------------------------
1523
1524   {
1525     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1526     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1527     "Undo/redo last operation",                 'u'
1528   },
1529   {
1530     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1531     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1532     "Level and editor settings",                'I'
1533   },
1534   {
1535     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1536     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1537     "Save level",                               'S'
1538   },
1539   {
1540     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1541     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1542     "Clear level",                              'C'
1543   },
1544   {
1545     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1546     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1547     "Test level",                               'T'
1548   },
1549   {
1550     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1551     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1552     "Exit level editor",                        'E'
1553   },
1554
1555   // ---------- CE and GE control buttons -------------------------------------
1556
1557   {
1558     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1559     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1560     "Copy settings from other element",         0
1561   },
1562   {
1563     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1564     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1565     "Copy settings to other element",           0
1566   },
1567   {
1568     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1569     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1570     "Exchange element with other element",      0
1571   },
1572   {
1573     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1574     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1575     "Copy settings from this element",          0
1576   },
1577   {
1578     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1579     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1580     "Paste settings to this element",           0
1581   },
1582
1583   // ---------- palette control buttons ---------------------------------------
1584
1585   {
1586     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1587     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1588     "Properties of drawing element",            'p'
1589   },
1590   {
1591     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1592     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1593     "Properties of drawing element 1",          '1'
1594   },
1595   {
1596     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1597     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1598     "Properties of drawing element 2",          '2'
1599   },
1600   {
1601     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1602     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1603     "Properties of drawing element 3",          '3'
1604   },
1605   {
1606     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1607     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1608     "Show list of elements",                    'e'
1609   }
1610 };
1611
1612 static int random_placement_value = 10;
1613 static int random_placement_method = RANDOM_USE_QUANTITY;
1614 static int random_placement_background_element = EL_SAND;
1615 static boolean random_placement_background_restricted = FALSE;
1616 static boolean stick_element_properties_window = FALSE;
1617 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1618 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1619 static struct ElementChangeInfo custom_element_change;
1620 static struct ElementGroupInfo group_element_info;
1621 static struct ElementInfo custom_element;
1622
1623 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1624 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1625 static int levelset_num_levels = 100;
1626 static boolean levelset_use_levelset_artwork = FALSE;
1627 static boolean levelset_copy_level_template = FALSE;
1628 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1629
1630 static struct
1631 {
1632   int gadget_type_id;
1633   int x, y;
1634   int min_value, max_value;
1635   int gadget_id_down, gadget_id_up;
1636   int gadget_id_text;
1637   int gadget_id_align;
1638   int *value;
1639   char *text_above, *text_left, *text_right;
1640 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1641 {
1642   // ---------- current level number ------------------------------------------
1643
1644   {
1645     ED_COUNTER_ID_SELECT_LEVEL,
1646     -1, -1,     // these values are not constant, but can change at runtime
1647     1,                                          100,
1648     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1649     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1650     &level_nr,
1651     NULL,                                       NULL, NULL
1652   },
1653
1654   // ---------- level and editor settings -------------------------------------
1655
1656   {
1657     ED_COUNTER_ID_LEVEL_XSIZE,
1658     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1659     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1660     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1661     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1662     &level.fieldx,
1663     "Playfield size:",                          NULL, "Width",
1664   },
1665   {
1666     ED_COUNTER_ID_LEVEL_YSIZE,
1667     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1668     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1669     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1670     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1671     &level.fieldy,
1672     NULL,                                       " ", "Height",
1673   },
1674   {
1675     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1676     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1677     0,                                          999,
1678     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1679     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1680     &level.gems_needed,
1681     NULL,                                       "Number of gems to collect:", NULL
1682   },
1683   {
1684     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1685     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1686     0,                                          9999,
1687     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1688     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1689     &level.time,
1690     "Time or step limit to solve level:",       NULL, NULL
1691   },
1692   {
1693     ED_COUNTER_ID_LEVEL_TIMESCORE,
1694     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1695     0,                                          999,
1696     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1697     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1698     &level.score[SC_TIME_BONUS],
1699     "Score for time or steps left:",            NULL, NULL
1700   },
1701   {
1702     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1703     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1704     0,                                          9999,
1705     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1706     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1707     &level.random_seed,
1708     NULL,                                       "Random seed:", "(0 => random)"
1709   },
1710   {
1711     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1712     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1713     1,                                          MAX_LEVELS,
1714     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1715     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1716     &levelset_num_levels,
1717     "Number of levels:",                        NULL, NULL,
1718   },
1719   {
1720     ED_COUNTER_ID_LEVEL_RANDOM,
1721     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1722     1,                                          100,
1723     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1724     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1725     &random_placement_value,
1726     "Random element placement:",                NULL, "in"
1727   },
1728   {
1729     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1730     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1731     50,                                         500,
1732     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1733     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1734     &level.bd_cycle_delay_ms,
1735     NULL,                                       NULL, "Game cycle delay (ms)"
1736   },
1737   {
1738     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1739     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1740     0,                                          32,
1741     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1742     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1743     &level.bd_cycle_delay_c64,
1744     NULL,                                       NULL, "Game cycle delay (C64-style)"
1745   },
1746   {
1747     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1748     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1749     1,                                          40,
1750     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1751     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1752     &level.bd_hatching_delay_cycles,
1753     NULL,                                       NULL, "Hatching delay (cycles)"
1754   },
1755   {
1756     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1757     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1758     1,                                          40,
1759     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1760     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1761     &level.bd_hatching_delay_seconds,
1762     NULL,                                       NULL, "Hatching delay (seconds)"
1763   },
1764
1765   // ---------- element settings: configure (various elements) ----------------
1766
1767   {
1768     ED_COUNTER_ID_BD_PUSHING_PROB,
1769     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1770     0,                                          100,
1771     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1772     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1773     &level.bd_pushing_prob,
1774     NULL,                                       NULL, "Push probability"
1775   },
1776   {
1777     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1778     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1779     0,                                          100,
1780     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1781     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1782     &level.bd_pushing_prob_with_sweet,
1783     NULL,                                       NULL, "Push probability with sweet"
1784   },
1785   {
1786     ED_COUNTER_ID_ELEMENT_VALUE1,
1787     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1788     MIN_SCORE,                                  MAX_SCORE,
1789     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1790     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1791     NULL,                                       // will be set when used
1792     NULL,                                       NULL, NULL
1793   },
1794   {
1795     ED_COUNTER_ID_ELEMENT_VALUE2,
1796     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1797     MIN_SCORE,                                  MAX_SCORE,
1798     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1799     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1800     NULL,                                       // will be set when used
1801     NULL,                                       NULL, NULL
1802   },
1803   {
1804     ED_COUNTER_ID_ELEMENT_VALUE3,
1805     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1806     MIN_SCORE,                                  MAX_SCORE,
1807     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1808     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1809     NULL,                                       // will be set when used
1810     NULL,                                       NULL, NULL
1811   },
1812   {
1813     ED_COUNTER_ID_ELEMENT_VALUE4,
1814     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1815     MIN_SCORE,                                  MAX_SCORE,
1816     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1817     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1818     NULL,                                       // will be set when used
1819     NULL,                                       NULL, NULL
1820   },
1821   {
1822     ED_COUNTER_ID_YAMYAM_CONTENT,
1823     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1824     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1825     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1826     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1827     &level.num_yamyam_contents,
1828     NULL,                                       NULL, "Number of content areas"
1829   },
1830   {
1831     ED_COUNTER_ID_BALL_CONTENT,
1832     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1833     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1834     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1835     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1836     &level.num_ball_contents,
1837     NULL,                                       NULL, "Number of content areas"
1838   },
1839   {
1840     ED_COUNTER_ID_ANDROID_CONTENT,
1841     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1842     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1843     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1844     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1845     &level.num_android_clone_elements,
1846     NULL,                                       NULL, "Number of clonable elements"
1847   },
1848   {
1849     ED_COUNTER_ID_ENVELOPE_XSIZE,
1850     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1851     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1852     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1853     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1854     NULL,                                       // will be set when used
1855     NULL,                                       NULL, "Width",
1856   },
1857   {
1858     ED_COUNTER_ID_ENVELOPE_YSIZE,
1859     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1860     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1861     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1862     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1863     NULL,                                       // will be set when used
1864     NULL,                                       " ", "Height",
1865   },
1866   {
1867     ED_COUNTER_ID_INVENTORY_SIZE,
1868     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1869     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1870     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1871     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1872     &level.initial_inventory_size[0],
1873     NULL,                                       NULL, "Number of inventory elements"
1874   },
1875   {
1876     ED_COUNTER_ID_MM_BALL_CONTENT,
1877     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1878     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1879     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1880     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1881     &level.num_mm_ball_contents,
1882     NULL,                                       NULL, "Number of content elements"
1883   },
1884
1885   // ---------- element settings: configure 1 (custom elements) ---------------
1886
1887   {
1888     ED_COUNTER_ID_CUSTOM_SCORE,
1889     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1890     MIN_SCORE,                                  MAX_SCORE,
1891     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1892     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1893     &custom_element.collect_score_initial,
1894     NULL,                                       "CE score", " "
1895   },
1896   {
1897     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1898     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1899     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1900     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1901     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1902     &custom_element.collect_count_initial,
1903     NULL,                                       "CE count", NULL
1904   },
1905   {
1906     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1907     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1908     0,                                          9999,
1909     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1910     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1911     &custom_element.ce_value_fixed_initial,
1912     NULL,                                       "CE value", NULL
1913   },
1914   {
1915     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1916     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1917     0,                                          9999,
1918     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1919     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1920     &custom_element.ce_value_random_initial,
1921     NULL,                                       "+random", NULL
1922   },
1923   {
1924     ED_COUNTER_ID_PUSH_DELAY_FIX,
1925     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1926     0,                                          999,
1927     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1928     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1929     &custom_element.push_delay_fixed,
1930     NULL,                                       "Push delay", NULL
1931   },
1932   {
1933     ED_COUNTER_ID_PUSH_DELAY_RND,
1934     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1935     0,                                          999,
1936     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1937     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1938     &custom_element.push_delay_random,
1939     NULL,                                       "+random", NULL
1940   },
1941   {
1942     ED_COUNTER_ID_DROP_DELAY_FIX,
1943     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1944     0,                                          999,
1945     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
1946     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1947     &custom_element.drop_delay_fixed,
1948     NULL,                                       "Drop delay", NULL
1949   },
1950   {
1951     ED_COUNTER_ID_DROP_DELAY_RND,
1952     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
1953     0,                                          999,
1954     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
1955     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
1956     &custom_element.drop_delay_random,
1957     NULL,                                       "+random", NULL
1958   },
1959
1960   // ---------- element settings: configure 2 (custom elements) ---------------
1961
1962   {
1963     ED_COUNTER_ID_MOVE_DELAY_FIX,
1964     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1965     0,                                          999,
1966     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
1967     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1968     &custom_element.move_delay_fixed,
1969     NULL,                                       "Move delay", NULL
1970   },
1971   {
1972     ED_COUNTER_ID_MOVE_DELAY_RND,
1973     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1974     0,                                          999,
1975     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
1976     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
1977     &custom_element.move_delay_random,
1978     NULL,                                       "+random", NULL
1979   },
1980   {
1981     ED_COUNTER_ID_STEP_DELAY_FIX,
1982     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1983     0,                                          999,
1984     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
1985     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1986     &custom_element.step_delay_fixed,
1987     NULL,                                       "Step delay", NULL
1988   },
1989   {
1990     ED_COUNTER_ID_STEP_DELAY_RND,
1991     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1992     0,                                          999,
1993     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
1994     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
1995     &custom_element.step_delay_random,
1996     NULL,                                       "+random", NULL
1997   },
1998   {
1999     ED_COUNTER_ID_EXPLOSION_DELAY,
2000     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
2001     0,                                          999,
2002     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
2003     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
2004     &custom_element.explosion_delay,
2005     NULL,                                       "Explosion delay", NULL
2006   },
2007   {
2008     ED_COUNTER_ID_IGNITION_DELAY,
2009     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
2010     0,                                          999,
2011     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
2012     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
2013     &custom_element.ignition_delay,
2014     NULL,                                       "Ignition delay", "(by fire)"
2015   },
2016
2017   // ---------- element settings: configure (group elements) ------------------
2018
2019   {
2020     ED_COUNTER_ID_GROUP_CONTENT,
2021     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2022     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
2023     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
2024     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
2025     &group_element_info.num_elements,
2026     NULL,                                       NULL, "Number of elements in group"
2027   },
2028
2029   // ---------- element settings: advanced (custom elements) ------------------
2030
2031   {
2032     ED_COUNTER_ID_CHANGE_DELAY_FIX,
2033     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
2034     0,                                          999,
2035     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2036     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
2037     &custom_element_change.delay_fixed,
2038     NULL,                                       "CE delay", NULL,
2039   },
2040   {
2041     ED_COUNTER_ID_CHANGE_DELAY_RND,
2042     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2043     0,                                          999,
2044     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
2045     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2046     &custom_element_change.delay_random,
2047     NULL,                                       "+random", NULL
2048   },
2049   {
2050     ED_COUNTER_ID_CHANGE_CONT_RND,
2051     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
2052     0,                                          100,
2053     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
2054     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
2055     &custom_element_change.random_percentage,
2056     NULL,                                       "Use random replace:", "%"
2057   },
2058 };
2059
2060 static struct
2061 {
2062   int gadget_type_id;
2063   int x, y;
2064   int gadget_id;
2065   int size;
2066   char *value;
2067   char *text_above, *infotext;
2068 } textinput_info[ED_NUM_TEXTINPUT] =
2069 {
2070   {
2071     ED_TEXTINPUT_ID_LEVEL_NAME,
2072     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2073     GADGET_ID_LEVEL_NAME,
2074     MAX_LEVEL_NAME_LEN,
2075     level.name,
2076     "Title:", "Title for this level"
2077   },
2078   {
2079     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
2080     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2081     GADGET_ID_LEVEL_AUTHOR,
2082     MAX_LEVEL_AUTHOR_LEN,
2083     level.author,
2084     "Author:", "Author for this level"
2085   },
2086   {
2087     ED_TEXTINPUT_ID_LEVELSET_NAME,
2088     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2089     GADGET_ID_LEVELSET_NAME,
2090     MAX_LEVEL_NAME_LEN,
2091     levelset_name,
2092     "Title:", "Title for this or new level set"
2093   },
2094   {
2095     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
2096     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2097     GADGET_ID_LEVELSET_AUTHOR,
2098     MAX_LEVEL_AUTHOR_LEN,
2099     levelset_author,
2100     "Author:", "Author for this or new level set"
2101   },
2102   {
2103     ED_TEXTINPUT_ID_ELEMENT_NAME,
2104     -1, -1,     // these values are not constant, but can change at runtime
2105     GADGET_ID_ELEMENT_NAME,
2106     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2107     custom_element.description,
2108     NULL, "Element name"
2109   }
2110 };
2111
2112 static struct
2113 {
2114   int gadget_type_id;
2115   int x, y;
2116   int gadget_id;
2117   int xsize, ysize;
2118   char *value;
2119   char *text_above, *text_above_cropped, *infotext;
2120 } textarea_info[ED_NUM_TEXTAREAS] =
2121 {
2122   {
2123     ED_TEXTAREA_ID_ENVELOPE_INFO,
2124     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2125     GADGET_ID_ENVELOPE_INFO,
2126     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2127     NULL,
2128     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2129   }
2130 };
2131
2132 static struct ValueTextInfo options_time_or_steps[] =
2133 {
2134   { 0,                                  "seconds"                       },
2135   { 1,                                  "steps"                         },
2136
2137   { -1,                                 NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_time_score_base[] =
2141 {
2142   { 1,                                  "per second/step"               },
2143   { 10,                                 "per 10 seconds/steps"          },
2144
2145   { -1,                                 NULL                            }
2146 };
2147
2148 static struct ValueTextInfo options_game_engine_type[] =
2149 {
2150   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2151   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2152   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2153   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2154   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2155
2156   { -1,                                 NULL                            }
2157 };
2158
2159 static struct ValueTextInfo options_levelset_save_mode[] =
2160 {
2161   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2162   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2163
2164   { -1,                                 NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_bd_gravity_direction[] =
2168 {
2169   { GD_MV_DOWN,                         "down"                          },
2170   { GD_MV_UP,                           "up"                            },
2171   { GD_MV_LEFT,                         "left"                          },
2172   { GD_MV_RIGHT,                        "right"                         },
2173
2174   { -1,                                 NULL                            }
2175 };
2176
2177 static struct ValueTextInfo options_wind_direction[] =
2178 {
2179   { MV_START_NONE,                      "none"                          },
2180   { MV_START_LEFT,                      "left"                          },
2181   { MV_START_RIGHT,                     "right"                         },
2182   { MV_START_UP,                        "up"                            },
2183   { MV_START_DOWN,                      "down"                          },
2184
2185   { -1,                                 NULL                            }
2186 };
2187
2188 static struct ValueTextInfo options_player_speed[] =
2189 {
2190   { 0,                                  "frozen"                        },
2191   { 1,                                  "very slow"                     },
2192   { 2,                                  "slow"                          },
2193   { 4,                                  "normal"                        },
2194   { 8,                                  "fast"                          },
2195   { 16,                                 "very fast"                     },
2196   { 32,                                 "ultrafast"                     },
2197
2198   { -1,                                 NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_access_type[] =
2202 {
2203   { EP_WALKABLE,                        "walkable"                      },
2204   { EP_PASSABLE,                        "passable"                      },
2205
2206   { -1,                                 NULL                            }
2207 };
2208
2209 static struct ValueTextInfo options_access_layer[] =
2210 {
2211   { EP_ACCESSIBLE_OVER,                 "over"                          },
2212   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2213   { EP_ACCESSIBLE_UNDER,                "under"                         },
2214
2215   { -1,                                 NULL                            }
2216 };
2217
2218 static struct ValueTextInfo options_access_protected[] =
2219 {
2220   { 0,                                  "unprotected"                   },
2221   { 1,                                  "protected"                     },
2222
2223   { -1,                                 NULL                            }
2224 };
2225
2226 static struct ValueTextInfo options_access_direction[] =
2227 {
2228   { MV_NO_DIRECTION,                    "no direction"                  },
2229   { MV_LEFT,                            "left"                          },
2230   { MV_RIGHT,                           "right"                         },
2231   { MV_UP,                              "up"                            },
2232   { MV_DOWN,                            "down"                          },
2233   { MV_LEFT  | MV_UP,                   "left + up"                     },
2234   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2235   { MV_RIGHT | MV_UP,                   "right + up"                    },
2236   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2237   { MV_HORIZONTAL,                      "horizontal"                    },
2238   { MV_VERTICAL,                        "vertical"                      },
2239   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2240   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2241   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2242   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2243   { MV_ALL_DIRECTIONS,                  "all directions"                },
2244
2245   { -1,                                 NULL                            }
2246 };
2247
2248 static struct ValueTextInfo options_walk_to_action[] =
2249 {
2250   { EP_DIGGABLE,                        "diggable"                      },
2251   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2252   { EP_DROPPABLE,                       "collectible & droppable"       },
2253   { EP_THROWABLE,                       "collectible & throwable"       },
2254   { EP_PUSHABLE,                        "pushable"                      },
2255
2256   { -1,                                 NULL                            }
2257 };
2258
2259 static struct ValueTextInfo options_move_pattern[] =
2260 {
2261   { MV_LEFT,                            "left"                          },
2262   { MV_RIGHT,                           "right"                         },
2263   { MV_UP,                              "up"                            },
2264   { MV_DOWN,                            "down"                          },
2265   { MV_HORIZONTAL,                      "horizontal"                    },
2266   { MV_VERTICAL,                        "vertical"                      },
2267   { MV_ALL_DIRECTIONS,                  "all directions"                },
2268   { MV_WIND_DIRECTION,                  "wind direction"                },
2269   { MV_TOWARDS_PLAYER,                  "towards player"                },
2270   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2271   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2272   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2273   { MV_TURNING_LEFT,                    "turning left"                  },
2274   { MV_TURNING_RIGHT,                   "turning right"                 },
2275   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2276   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2277   { MV_TURNING_RANDOM,                  "turning random"                },
2278   { MV_MAZE_RUNNER,                     "maze runner style"             },
2279   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2280   { MV_WHEN_PUSHED,                     "when pushed"                   },
2281   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2282
2283   { -1,                                 NULL                            }
2284 };
2285
2286 static struct ValueTextInfo options_move_direction[] =
2287 {
2288   { MV_START_AUTOMATIC,                 "automatic"                     },
2289   { MV_START_LEFT,                      "left"                          },
2290   { MV_START_RIGHT,                     "right"                         },
2291   { MV_START_UP,                        "up"                            },
2292   { MV_START_DOWN,                      "down"                          },
2293   { MV_START_RANDOM,                    "random"                        },
2294   { MV_START_PREVIOUS,                  "previous"                      },
2295
2296   { -1,                                 NULL                            }
2297 };
2298
2299 static struct ValueTextInfo options_move_stepsize[] =
2300 {
2301   { 0,                                  "not moving"                    },
2302   { 1,                                  "very slow"                     },
2303   { 2,                                  "slow"                          },
2304   { 4,                                  "normal"                        },
2305   { 8,                                  "fast"                          },
2306   { 16,                                 "very fast"                     },
2307   { 32,                                 "even faster"                   },
2308
2309   { -1,                                 NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_move_leave_type[] =
2313 {
2314   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2315   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2316
2317   { -1,                                 NULL                            }
2318 };
2319
2320 static struct ValueTextInfo options_smash_targets[] =
2321 {
2322   { EP_CAN_SMASH_PLAYER,                "player"                        },
2323 #if 0
2324   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2325 #endif
2326   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2327
2328   { -1,                                 NULL                            }
2329 };
2330
2331 static struct ValueTextInfo options_slippery_type[] =
2332 {
2333   { SLIPPERY_ANY_RANDOM,                "random"                        },
2334   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2335   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2336   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2337   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2338
2339   { -1,                                 NULL                            }
2340 };
2341
2342 static struct ValueTextInfo options_deadliness[] =
2343 {
2344   { EP_DONT_RUN_INTO,                   "running into"                  },
2345   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2346   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2347   { EP_DONT_TOUCH,                      "touching"                      },
2348
2349   { -1,                                 NULL                            }
2350 };
2351
2352 static struct ValueTextInfo options_explosion_type[] =
2353 {
2354   { EXPLODES_3X3,                       "3x3"                           },
2355   { EXPLODES_CROSS,                     "3+3"                           },
2356   { EXPLODES_1X1,                       "1x1"                           },
2357
2358   { -1,                                 NULL                            }
2359 };
2360
2361 static struct ValueTextInfo options_time_units[] =
2362 {
2363   { 1,                                  "frames"                        },
2364   { FRAMES_PER_SECOND,                  "seconds"                       },
2365
2366   { -1,                                 NULL                            }
2367 };
2368
2369 static struct ValueTextInfo options_change_direct_action[] =
2370 {
2371   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2372   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2373   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2374   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2375   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2376   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2377   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2378   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2379   { CE_SWITCHED,                        "switched"                      },
2380   { CE_HITTING_SOMETHING,               "hitting something"             },
2381   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2382 #if 0
2383   { CE_BLOCKED,                         "blocked"                       },
2384 #endif
2385   { CE_IMPACT,                          "impact (on something)"         },
2386   { CE_SMASHED,                         "smashed (from above)"          },
2387 #if 0
2388   { CE_VALUE_CHANGES,                   "CE value changes"              },
2389   { CE_SCORE_CHANGES,                   "CE score changes"              },
2390 #endif
2391   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2392   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2393   { CE_UNDEFINED,                       " "                             },
2394   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2395   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2396   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2397   { CE_UNDEFINED,                       " "                             },
2398   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2399   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2400
2401   { -1,                                 NULL                            }
2402 };
2403
2404 static struct ValueTextInfo options_change_other_action[] =
2405 {
2406   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2407   { CE_PLAYER_PRESSES_X,                "player presses"                },
2408   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2409   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2410   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2411   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2412   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2413   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2414   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2415   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2416   { CE_TOUCHING_X,                      "touching"                      },
2417   { CE_HITTING_X,                       "hitting"                       },
2418   { CE_DIGGING_X,                       "digging"                       },
2419   { CE_HIT_BY_X,                        "hit by"                        },
2420   { CE_SWITCH_OF_X,                     "switch of"                     },
2421   { CE_CHANGE_OF_X,                     "change by page of"             },
2422   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2423   { CE_MOVE_OF_X,                       "move of"                       },
2424   { CE_CREATION_OF_X,                   "creation of"                   },
2425   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2426   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2427   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2428   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2429   { CE_UNDEFINED,                       " "                             },
2430   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2431   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2432   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2433   { CE_UNDEFINED,                       " "                             },
2434   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2435   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2436   { CE_NEXT_TO_X,                       "next to"                       },
2437
2438   { -1,                                 NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_change_trigger_side[] =
2442 {
2443   { CH_SIDE_LEFT,                       "left"                          },
2444   { CH_SIDE_RIGHT,                      "right"                         },
2445   { CH_SIDE_TOP,                        "top"                           },
2446   { CH_SIDE_BOTTOM,                     "bottom"                        },
2447   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2448   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2449   { CH_SIDE_ANY,                        "any"                           },
2450
2451   { -1,                                 NULL                            }
2452 };
2453
2454 static struct ValueTextInfo options_change_trigger_player[] =
2455 {
2456   { CH_PLAYER_1,                        "1"                             },
2457   { CH_PLAYER_2,                        "2"                             },
2458   { CH_PLAYER_3,                        "3"                             },
2459   { CH_PLAYER_4,                        "4"                             },
2460   { CH_PLAYER_ANY,                      "any"                           },
2461
2462   { -1,                                 NULL                            }
2463 };
2464
2465 static struct ValueTextInfo options_change_trigger_page[] =
2466 {
2467   { (1u << 0),                          "1"                             },
2468   { (1u << 1),                          "2"                             },
2469   { (1u << 2),                          "3"                             },
2470   { (1u << 3),                          "4"                             },
2471   { (1u << 4),                          "5"                             },
2472   { (1u << 5),                          "6"                             },
2473   { (1u << 6),                          "7"                             },
2474   { (1u << 7),                          "8"                             },
2475   { (1u << 8),                          "9"                             },
2476   { (1u << 9),                          "10"                            },
2477   { (1u << 10),                         "11"                            },
2478   { (1u << 11),                         "12"                            },
2479   { (1u << 12),                         "13"                            },
2480   { (1u << 13),                         "14"                            },
2481   { (1u << 14),                         "15"                            },
2482   { (1u << 15),                         "16"                            },
2483   { (1u << 16),                         "17"                            },
2484   { (1u << 17),                         "18"                            },
2485   { (1u << 18),                         "19"                            },
2486   { (1u << 19),                         "20"                            },
2487   { (1u << 20),                         "21"                            },
2488   { (1u << 21),                         "22"                            },
2489   { (1u << 22),                         "23"                            },
2490   { (1u << 23),                         "24"                            },
2491   { (1u << 24),                         "25"                            },
2492   { (1u << 25),                         "26"                            },
2493   { (1u << 26),                         "27"                            },
2494   { (1u << 27),                         "28"                            },
2495   { (1u << 28),                         "29"                            },
2496   { (1u << 29),                         "30"                            },
2497   { (1u << 30),                         "31"                            },
2498   { (1u << 31),                         "32"                            },
2499   { CH_PAGE_ANY,                        "any"                           },
2500
2501   { -1,                                 NULL                            }
2502 };
2503
2504 static struct ValueTextInfo options_change_replace_when[] =
2505 {
2506   { CP_WHEN_EMPTY,                      "empty"                         },
2507   { CP_WHEN_WALKABLE,                   "walkable"                      },
2508   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2509   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2510   { CP_WHEN_REMOVABLE,                  "removable"                     },
2511   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2512
2513   { -1,                                 NULL                            }
2514 };
2515
2516 static struct ValueTextInfo options_action_type[] =
2517 {
2518   { CA_NO_ACTION,                       "no action"                     },
2519   { CA_UNDEFINED,                       " "                             },
2520   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2521   { CA_RESTART_LEVEL,                   "restart level"                 },
2522   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2523   { CA_SET_LEVEL_TIME,                  "set time"                      },
2524   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2525   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2526   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2527   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2528   { CA_UNDEFINED,                       " "                             },
2529   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2530   { CA_MOVE_PLAYER,                     "move player"                   },
2531   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2532   { CA_EXIT_PLAYER,                     "exit player"                   },
2533   { CA_KILL_PLAYER,                     "kill player"                   },
2534   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2535   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2536   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2537   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2538   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2539   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2540   { CA_UNDEFINED,                       " "                             },
2541   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2542   { CA_SET_CE_VALUE,                    "set CE value"                  },
2543   { CA_SET_CE_SCORE,                    "set CE score"                  },
2544   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2545   { CA_UNDEFINED,                       " "                             },
2546   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2547   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2548
2549   { -1,                                 NULL                            }
2550 };
2551
2552 static struct ValueTextInfo options_action_mode_none[] =
2553 {
2554   { CA_MODE_UNDEFINED,                  " "                             },
2555
2556   { -1,                                 NULL                            }
2557 };
2558
2559 static struct ValueTextInfo options_action_mode_assign[] =
2560 {
2561   { CA_MODE_SET,                        "="                             },
2562
2563   { -1,                                 NULL                            }
2564 };
2565
2566 static struct ValueTextInfo options_action_mode_add_remove[] =
2567 {
2568   { CA_MODE_ADD,                        "+"                             },
2569   { CA_MODE_SUBTRACT,                   "-"                             },
2570
2571   { -1,                                 NULL                            }
2572 };
2573
2574 static struct ValueTextInfo options_action_mode_calculate[] =
2575 {
2576   { CA_MODE_SET,                        "="                             },
2577   { CA_MODE_ADD,                        "+"                             },
2578   { CA_MODE_SUBTRACT,                   "-"                             },
2579   { CA_MODE_MULTIPLY,                   "*"                             },
2580   { CA_MODE_DIVIDE,                     "/"                             },
2581   { CA_MODE_MODULO,                     "%"                             },
2582
2583   { -1,                                 NULL                            }
2584 };
2585
2586 static struct ValueTextInfo options_action_arg_none[] =
2587 {
2588   { CA_ARG_UNDEFINED,                   "         "                     },
2589
2590   { -1,                                 NULL                            }
2591 };
2592
2593 static struct ValueTextInfo options_action_arg_player[] =
2594 {
2595   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2596   { CA_ARG_PLAYER_1,                    "1"                             },
2597   { CA_ARG_PLAYER_2,                    "2"                             },
2598   { CA_ARG_PLAYER_3,                    "3"                             },
2599   { CA_ARG_PLAYER_4,                    "4"                             },
2600   { CA_ARG_PLAYER_ANY,                  "any"                           },
2601   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2602   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2603
2604   { -1,                                 NULL                            }
2605 };
2606
2607 static struct ValueTextInfo options_action_arg_number[] =
2608 {
2609   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2610   { CA_ARG_0,                           "0"                             },
2611   { CA_ARG_1,                           "1"                             },
2612   { CA_ARG_2,                           "2"                             },
2613   { CA_ARG_3,                           "3"                             },
2614   { CA_ARG_4,                           "4"                             },
2615   { CA_ARG_5,                           "5"                             },
2616   { CA_ARG_10,                          "10"                            },
2617   { CA_ARG_100,                         "100"                           },
2618   { CA_ARG_1000,                        "1000"                          },
2619   { CA_ARG_UNDEFINED,                   " "                             },
2620   { CA_ARG_NUMBER_MIN,                  "min"                           },
2621   { CA_ARG_NUMBER_MAX,                  "max"                           },
2622   { CA_ARG_UNDEFINED,                   " "                             },
2623   { CA_ARG_NUMBER_RESET,                "reset"                         },
2624   { CA_ARG_UNDEFINED,                   " "                             },
2625   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2626   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2627   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2628   { CA_ARG_UNDEFINED,                   " "                             },
2629   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2630   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2631   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2632   { CA_ARG_UNDEFINED,                   " "                             },
2633   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2634   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2635   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2636   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2637   { CA_ARG_UNDEFINED,                   " "                             },
2638   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2639   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2640   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2641   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2642
2643   { -1,                                 NULL                            }
2644 };
2645
2646 static struct ValueTextInfo options_action_arg_value[] =
2647 {
2648   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2649   { CA_ARG_0,                           "0"                             },
2650   { CA_ARG_1,                           "1"                             },
2651   { CA_ARG_2,                           "2"                             },
2652   { CA_ARG_3,                           "3"                             },
2653   { CA_ARG_4,                           "4"                             },
2654   { CA_ARG_5,                           "5"                             },
2655   { CA_ARG_10,                          "10"                            },
2656   { CA_ARG_100,                         "100"                           },
2657   { CA_ARG_1000,                        "1000"                          },
2658   { CA_ARG_UNDEFINED,                   " "                             },
2659   { CA_ARG_NUMBER_MIN,                  "min"                           },
2660   { CA_ARG_NUMBER_MAX,                  "max"                           },
2661   { CA_ARG_UNDEFINED,                   " "                             },
2662   { CA_ARG_NUMBER_RESET,                "reset"                         },
2663   { CA_ARG_UNDEFINED,                   " "                             },
2664   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2665   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2666   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2667   { CA_ARG_UNDEFINED,                   " "                             },
2668   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2669   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2670   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2671   { CA_ARG_UNDEFINED,                   " "                             },
2672   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2673   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2674   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2675   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2676   { CA_ARG_UNDEFINED,                   " "                             },
2677   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2678   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2679   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2680   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2681   { CA_ARG_UNDEFINED,                   " "                             },
2682   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2683   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2684   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2685   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2686
2687   { -1,                                 NULL                            }
2688 };
2689
2690 static struct ValueTextInfo options_action_arg_envelope[] =
2691 {
2692   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2693   { CA_ARG_1,                           "1"                             },
2694   { CA_ARG_2,                           "2"                             },
2695   { CA_ARG_3,                           "3"                             },
2696   { CA_ARG_4,                           "4"                             },
2697   { CA_ARG_UNDEFINED,                   " "                             },
2698   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2699   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2700   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2701   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2702
2703   { -1,                                 NULL                            }
2704 };
2705
2706 static struct ValueTextInfo options_action_arg_key[] =
2707 {
2708   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2709   { CA_ARG_1,                           "1"                             },
2710   { CA_ARG_2,                           "2"                             },
2711   { CA_ARG_3,                           "3"                             },
2712   { CA_ARG_4,                           "4"                             },
2713   { CA_ARG_5,                           "5"                             },
2714   { CA_ARG_6,                           "6"                             },
2715   { CA_ARG_7,                           "7"                             },
2716   { CA_ARG_8,                           "8"                             },
2717   { CA_ARG_UNDEFINED,                   " "                             },
2718   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2719   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2720   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2721   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2722
2723   { -1,                                 NULL                            }
2724 };
2725
2726 static struct ValueTextInfo options_action_arg_speed[] =
2727 {
2728   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2729   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2730   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2731   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2732   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2733   { CA_ARG_SPEED_FAST,                  "fast"                          },
2734   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2735   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2736   { CA_ARG_UNDEFINED,                   " "                             },
2737   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2738   { CA_ARG_SPEED_FASTER,                "faster"                        },
2739   { CA_ARG_UNDEFINED,                   " "                             },
2740   { CA_ARG_SPEED_RESET,                 "reset"                         },
2741
2742   { -1,                                 NULL                            }
2743 };
2744
2745 static struct ValueTextInfo options_action_arg_shield[] =
2746 {
2747   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2748   { CA_ARG_SHIELD_OFF,                  "off"                           },
2749   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2750   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2751
2752   { -1,                                 NULL                            }
2753 };
2754
2755 static struct ValueTextInfo options_action_arg_artwork[] =
2756 {
2757   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2758   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2759   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2760   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2761   { CA_ARG_UNDEFINED,                   " "                             },
2762   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2763
2764   { -1,                                 NULL                            }
2765 };
2766
2767 static struct ValueTextInfo options_action_arg_gravity[] =
2768 {
2769   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2770   { CA_ARG_GRAVITY_ON,                  "on"                            },
2771   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2772   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2773
2774   { -1,                                 NULL                            }
2775 };
2776
2777 static struct ValueTextInfo options_action_arg_direction[] =
2778 {
2779   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2780   { CA_ARG_DIRECTION_NONE,              "none"                          },
2781   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2782   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2783   { CA_ARG_DIRECTION_UP,                "up"                            },
2784   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2785   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2786   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2787
2788   { -1,                                 NULL                            }
2789 };
2790
2791 static struct ValueTextInfo options_action_arg_scan_mode[] =
2792 {
2793   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2794   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2795   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2796
2797   { -1,                                 NULL                            }
2798 };
2799
2800 static struct ValueTextInfo options_action_arg_inventory[] =
2801 {
2802   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2803   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2804   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2805   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2806   { CA_ARG_UNDEFINED,                   " "                             },
2807   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2808   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2809   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2810   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2811   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2812   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2813   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2814   { CA_ARG_UNDEFINED,                   " "                             },
2815   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2816
2817   { -1,                                 NULL                            }
2818 };
2819
2820 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2821 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2822 {
2823   { -1,                                 NULL                            }
2824 };
2825
2826 static struct ValueTextInfo options_group_choice_mode[] =
2827 {
2828   { ANIM_RANDOM,                        "random"                        },
2829   { ANIM_LOOP,                          "loop"                          },
2830   { ANIM_LINEAR,                        "linear"                        },
2831   { ANIM_PINGPONG,                      "pingpong"                      },
2832   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2833   { ANIM_LEVEL_NR,                      "level number"                  },
2834
2835   { -1,                                 NULL                            }
2836 };
2837
2838 static struct ValueTextInfo options_bd_scheduling_type[] =
2839 {
2840   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2841   { GD_SCHEDULING_BD1,                  "BD1"                           },
2842   { GD_SCHEDULING_BD2,                  "BD2"                           },
2843   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2844   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2845   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2846   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2847
2848   { -1,                                   NULL                          }
2849 };
2850
2851 static struct ValueTextInfo *action_arg_modes[] =
2852 {
2853   options_action_mode_none,
2854   options_action_mode_assign,
2855   options_action_mode_add_remove,
2856   options_action_mode_calculate,
2857 };
2858
2859 static struct
2860 {
2861   int value;
2862   int mode;
2863   struct ValueTextInfo *options;
2864 }
2865 action_arg_options[] =
2866 {
2867   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2868   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2869   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2870   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2871   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2872   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2873   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2874   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2875   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2876   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2877   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2878   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2879   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2880   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2881   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2882   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2883   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2884   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2885   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2886   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2887   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2888   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2889
2890   { -1,                         FALSE,  NULL                            }
2891 };
2892
2893 static struct
2894 {
2895   int gadget_type_id;
2896   int x, y;
2897   int gadget_id;
2898   int gadget_id_align;
2899   int size;     // char size of selectbox or '-1' (dynamically determined)
2900   struct ValueTextInfo *options;
2901   int *value;
2902   char *text_above, *text_left, *text_right, *infotext;
2903 } selectbox_info[ED_NUM_SELECTBOX] =
2904 {
2905   // ---------- level and editor settings -------------------------------------
2906
2907   {
2908     ED_SELECTBOX_ID_TIME_OR_STEPS,
2909     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
2910     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
2911     -1,
2912     options_time_or_steps,
2913     &level.use_step_counter,
2914     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
2915   },
2916   {
2917     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2918     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
2919     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
2920     -1,
2921     options_time_score_base,
2922     &level.time_score_base,
2923     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
2924   },
2925   {
2926     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2927     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
2928     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
2929     -1,
2930     options_game_engine_type,
2931     &level.game_engine_type,
2932     NULL, "Game engine:", NULL,                 "Select game engine"
2933   },
2934   {
2935     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2936     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
2937     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
2938     -1,
2939     options_levelset_save_mode,
2940     &levelset_save_mode,
2941     "Action:", NULL, NULL,                      "Select action when saving level set"
2942   },
2943
2944   // ---------- engine settings: config ---------------------------------------
2945
2946   {
2947     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2948     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
2949     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
2950     -1,
2951     options_bd_scheduling_type,
2952     &level.bd_scheduling_type,
2953     NULL, "Scheduling type:", NULL,             "Select level timing"
2954   },
2955
2956   // ---------- engine settings: colors ---------------------------------------
2957
2958   // ---------- element settings: configure (several elements) ----------------
2959
2960   {
2961     ED_SELECTBOX_ID_WIND_DIRECTION,
2962     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2963     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
2964     -1,
2965     options_wind_direction,
2966     &level.wind_direction_initial,
2967     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2968   },
2969   {
2970     ED_SELECTBOX_ID_PLAYER_SPEED,
2971     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
2972     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
2973     -1,
2974     options_player_speed,
2975     &level.initial_player_stepsize[0],
2976     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2977   },
2978   {
2979     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
2980     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2981     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
2982     -1,
2983     options_bd_gravity_direction,
2984     &level.bd_gravity_direction,
2985     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
2986   },
2987   {
2988     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2989     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
2990     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
2991     -1,
2992     options_group_choice_mode,
2993     &level.mm_ball_choice_mode,
2994     NULL, "Choice type:", NULL,                 "Select type of content choice"
2995   },
2996
2997   // ---------- element settings: configure 1 (custom elements) ---------------
2998
2999   {
3000     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
3001     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3002     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
3003     -1,
3004     options_access_type,
3005     &custom_element.access_type,
3006     NULL, NULL, NULL,                           "Select type of access to this field"
3007   },
3008   {
3009     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
3010     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3011     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
3012     -1,
3013     options_access_layer,
3014     &custom_element.access_layer,
3015     NULL, NULL, NULL,                           "Select layer of access for this field"
3016   },
3017   {
3018     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
3019     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3020     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
3021     -1,
3022     options_access_protected,
3023     &custom_element.access_protected,
3024     NULL, NULL, NULL,                           "Select protected access for this field"
3025   },
3026   {
3027     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
3028     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3029     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
3030     -1,
3031     options_access_direction,
3032     &custom_element.access_direction,
3033     NULL, "from", NULL,                         "Select access direction for this field"
3034   },
3035   {
3036     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
3037     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3038     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
3039     -1,
3040     options_walk_to_action,
3041     &custom_element.walk_to_action,
3042     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
3043   },
3044
3045   // ---------- element settings: configure 2 (custom elements) ---------------
3046
3047   {
3048     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
3049     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
3050     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
3051     -1,
3052     options_move_pattern,
3053     &custom_element.move_pattern,
3054     NULL, "Can move", NULL,                     "Select element move pattern"
3055   },
3056   {
3057     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
3058     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3059     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
3060     -1,
3061     options_move_direction,
3062     &custom_element.move_direction_initial,
3063     NULL, "Starts moving", NULL,                "Select initial element move direction"
3064   },
3065   {
3066     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
3067     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3068     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
3069     -1,
3070     options_move_stepsize,
3071     &custom_element.move_stepsize,
3072     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
3073   },
3074   {
3075     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
3076     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3077     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
3078     -1,
3079     options_move_leave_type,
3080     &custom_element.move_leave_type,
3081     // left text with leading spaces to place gadget next to "can dig" gadget
3082     // (needed because drawing area gadgets created after selectbox gadgets)
3083     // NULL, "can dig:    can", ":",            "leave behind or change element"
3084     NULL, "            Can", ":",               "Select leave behind or change element"
3085   },
3086   {
3087     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
3088     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
3089     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
3090     -1,
3091     options_smash_targets,
3092     &custom_element.smash_targets,
3093     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
3094   },
3095   {
3096     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
3097     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
3098     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
3099     -1,
3100     options_slippery_type,
3101     &custom_element.slippery_type,
3102     NULL, "Slippery", NULL,                     "Select where other elements fall down"
3103   },
3104   {
3105     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
3106     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
3107     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
3108     -1,
3109     options_deadliness,
3110     &custom_element.deadliness,
3111     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3112   },
3113   {
3114     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3115     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3116     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3117     -1,
3118     options_explosion_type,
3119     &custom_element.explosion_type,
3120     NULL, "Can explode", NULL,                  "Select explosion type"
3121   },
3122
3123   // ---------- element settings: advanced (custom elements) ------------------
3124
3125   {
3126     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3127     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3128     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3129     -1,
3130     options_time_units,
3131     &custom_element_change.delay_frames,
3132     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3133   },
3134   {
3135     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3136     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3137     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3138     -1,
3139     options_change_direct_action,
3140     &custom_element_change.direct_action,
3141     NULL, NULL, NULL,                           "Select type of direct action"
3142   },
3143   {
3144     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3145     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3146     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3147     -1,
3148     options_change_other_action,
3149     &custom_element_change.other_action,
3150     NULL, NULL, "element:",                     "Select type of other element action"
3151   },
3152   {
3153     ED_SELECTBOX_ID_CHANGE_SIDE,
3154     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3155     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3156     -1,
3157     options_change_trigger_side,
3158     &custom_element_change.trigger_side,
3159     NULL, "at", "side",                         "Select element side triggering change"
3160   },
3161   {
3162     ED_SELECTBOX_ID_CHANGE_PLAYER,
3163     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3164     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3165     -1,
3166     options_change_trigger_player,
3167     &custom_element_change.trigger_player,
3168     NULL, "Player:", " ",                       "Select player that causes change"
3169   },
3170   {
3171     ED_SELECTBOX_ID_CHANGE_PAGE,
3172     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3173     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3174     -1,
3175     options_change_trigger_page,
3176     &custom_element_change.trigger_page,
3177     NULL, "Page:", NULL,                        "Select change page that causes change"
3178   },
3179   {
3180     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3181     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3182     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3183     -1,
3184     options_change_replace_when,
3185     &custom_element_change.replace_when,
3186     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3187   },
3188   {
3189     ED_SELECTBOX_ID_ACTION_TYPE,
3190     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3191     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3192     15,
3193     options_action_type,
3194     &custom_element_change.action_type,
3195     NULL, NULL, NULL,                           "Select action on specified condition"
3196   },
3197   {
3198     ED_SELECTBOX_ID_ACTION_MODE,
3199     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3200     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3201     -1,
3202     options_action_mode_none,
3203     &custom_element_change.action_mode,
3204     NULL, NULL, NULL,                           "Select action operator"
3205   },
3206   {
3207     ED_SELECTBOX_ID_ACTION_ARG,
3208     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3209     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3210     -1,
3211     options_action_arg_none,
3212     &custom_element_change.action_arg,
3213     NULL, NULL, NULL,                           "Select action parameter"
3214   },
3215   {
3216     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3217     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3218     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3219     3,
3220     options_change_page,
3221     &custom_element.current_change_page,
3222     NULL, NULL, NULL,                           "Select element change page"
3223   },
3224
3225   // ---------- element settings: configure (group elements) ------------------
3226
3227   {
3228     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3229     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3230     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3231     -1,
3232     options_group_choice_mode,
3233     &group_element_info.choice_mode,
3234     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3235   },
3236 };
3237
3238 static struct
3239 {
3240   int gadget_type_id;
3241   int x, y;
3242   int gadget_id;
3243   int gadget_id_align;
3244   int size;
3245   char *text;
3246   char *text_above, *text_left, *text_right, *infotext;
3247 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3248 {
3249   // ---------- level and editor settings (tabs) ------------------------------
3250
3251   {
3252     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3253     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3254     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3255     8,                                          "Level",
3256     NULL, NULL, NULL,                           "Configure level settings"
3257   },
3258   {
3259     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3260     -1,                                         -1,
3261     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3262     8,                                          "Levelset",
3263     NULL, NULL, NULL,                           "Update this or create new level set"
3264   },
3265   {
3266     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3267     -1,                                         -1,
3268     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3269     8,                                          "Editor",
3270     NULL, NULL, NULL,                           "Configure editor settings"
3271   },
3272   {
3273     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3274     -1,                                         -1,
3275     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3276     8,                                          "Engine",
3277     NULL, NULL, NULL,                           "Configure game engine settings"
3278   },
3279
3280   // ---------- engine settings (tabs) ----------------------------------------
3281
3282   {
3283     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
3284     ED_ENGINE_TABS_XPOS(0),                     ED_ENGINE_TABS_YPOS(0),
3285     GADGET_ID_ENGINECONFIG_CONFIG,              GADGET_ID_NONE,
3286     8,                                          "Config",
3287     NULL, NULL, NULL,                           "Configure game engine settings"
3288   },
3289   {
3290     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
3291     -1,                                         -1,
3292     GADGET_ID_ENGINECONFIG_COLORS,              GADGET_ID_ENGINECONFIG_CONFIG,
3293     8,                                          "Colors",
3294     NULL, NULL, NULL,                           "Configure game engine colors"
3295   },
3296
3297   // ---------- element settings (tabs) ---------------------------------------
3298
3299   {
3300     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3301     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3302     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3303     8,                                          "Info",
3304     NULL, NULL, NULL,                           "Show information about element"
3305   },
3306   {
3307     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3308     -1,                                         -1,
3309     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3310     8,                                          "Config",
3311     NULL, NULL, NULL,                           "Configure element properties"
3312   },
3313   {
3314     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3315     -1,                                         -1,
3316     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3317     8,                                          "Config 1",
3318     NULL, NULL, NULL,                           "Configure element properties, part 1"
3319   },
3320   {
3321     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3322     -1,                                         -1,
3323     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3324     8,                                          "Config 2",
3325     NULL, NULL, NULL,                           "Configure element properties, part 2"
3326   },
3327   {
3328     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3329     -1,                                         -1,
3330     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3331     8,                                          "Change",
3332     NULL, NULL, NULL,                           "Configure custom element change pages"
3333   },
3334
3335   // ---------- level and editor settings (buttons) ---------------------------
3336
3337   {
3338     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3339     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3340     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3341     -1,                                         "Save",
3342     NULL, NULL, NULL,                           "Update or create level set"
3343   },
3344   {
3345     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3346     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3347     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3348     -1,                                         "Save",
3349     NULL, NULL,                                 "this level as level template",
3350     "Save current settings as new template"
3351   },
3352
3353   // ---------- element settings (buttons) ------------------------------------
3354
3355   {
3356     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3357     -1,                                         -1,
3358     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3359     -1,                                         "Save",
3360     NULL, " ",                                  "As Template",
3361     "Save current settings as new template"
3362   },
3363   {
3364     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3365     -1,                                         -1,
3366     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3367     -1,                                         "New",
3368     NULL, NULL, NULL,                           "Add new change page"
3369   },
3370   {
3371     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3372     -1,                                         -1,
3373     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3374     -1,                                         "Delete",
3375     NULL, NULL, NULL,                           "Delete current change page"
3376   },
3377 };
3378
3379 static struct
3380 {
3381   int gadget_type_id;
3382   int graphic;
3383   int x, y;
3384   int gadget_id;
3385   int gadget_id_align;
3386   char *text_left, *text_right, *infotext;
3387 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3388 {
3389   {
3390     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3391     IMG_EDITOR_COUNTER_DOWN,
3392     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3393     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3394     NULL, NULL,                                 "Select previous change page"
3395   },
3396   {
3397     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3398     IMG_EDITOR_COUNTER_UP,
3399     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3400     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3401     NULL, "Change page",                        "Select next change page"
3402   },
3403   {
3404     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3405     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3406     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3407     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3408     " ", NULL,                                  "Copy settings from this change page"
3409   },
3410   {
3411     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3412     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3413     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3414     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3415     NULL, NULL,                                 "Paste settings to this change page"
3416   },
3417 };
3418
3419 static struct
3420 {
3421   int x, y;
3422 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3423
3424 static struct
3425 {
3426   int gadget_type_id;
3427   int graphic;
3428   int gadget_id;
3429   char *infotext;
3430 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3431 {
3432   {
3433     ED_SCROLLBUTTON_ID_AREA_UP,
3434     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3435     GADGET_ID_SCROLL_UP,
3436     "Scroll level editing area up"
3437   },
3438   {
3439     ED_SCROLLBUTTON_ID_AREA_DOWN,
3440     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3441     GADGET_ID_SCROLL_DOWN,
3442     "Scroll level editing area down"
3443   },
3444   {
3445     ED_SCROLLBUTTON_ID_AREA_LEFT,
3446     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3447     GADGET_ID_SCROLL_LEFT,
3448     "Scroll level editing area left"
3449   },
3450   {
3451     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3452     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3453     GADGET_ID_SCROLL_RIGHT,
3454     "Scroll level editing area right"
3455   },
3456   {
3457     ED_SCROLLBUTTON_ID_LIST_UP,
3458     IMG_EDITOR_PALETTE_SCROLL_UP,
3459     GADGET_ID_SCROLL_LIST_UP,
3460     "Scroll element list up ('Page Up')"
3461   },
3462   {
3463     ED_SCROLLBUTTON_ID_LIST_DOWN,
3464     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3465     GADGET_ID_SCROLL_LIST_DOWN,
3466     "Scroll element list down ('Page Down')"
3467   },
3468 };
3469
3470 static struct
3471 {
3472   int x, y;
3473   int width, height;
3474   int wheel_x, wheel_y;
3475   int wheel_width, wheel_height;
3476 } scrollbar_pos[ED_NUM_SCROLLBARS];
3477
3478 static struct
3479 {
3480   int gadget_type_id;
3481   int graphic;
3482   int type;
3483   int gadget_id;
3484   char *infotext;
3485 } scrollbar_info[ED_NUM_SCROLLBARS] =
3486 {
3487   {
3488     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3489     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3490     GD_TYPE_SCROLLBAR_HORIZONTAL,
3491     GADGET_ID_SCROLL_HORIZONTAL,
3492     "Scroll level editing area horizontally"
3493   },
3494   {
3495     ED_SCROLLBAR_ID_AREA_VERTICAL,
3496     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3497     GD_TYPE_SCROLLBAR_VERTICAL,
3498     GADGET_ID_SCROLL_VERTICAL,
3499     "Scroll level editing area vertically"
3500   },
3501   {
3502     ED_SCROLLBAR_ID_LIST_VERTICAL,
3503     IMG_EDITOR_PALETTE_SCROLLBAR,
3504     GD_TYPE_SCROLLBAR_VERTICAL,
3505     GADGET_ID_SCROLL_LIST_VERTICAL,
3506     "Scroll element list vertically"
3507   }
3508 };
3509
3510
3511 static struct
3512 {
3513   int gadget_type_id;
3514   int x, y;
3515   int gadget_id;
3516   int gadget_id_align;
3517   int radio_button_nr;
3518   int *value;
3519   int checked_value;
3520   char *text_left, *text_right, *infotext;
3521 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3522 {
3523   {
3524     ED_RADIOBUTTON_ID_PERCENTAGE,
3525     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3526     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3527     RADIO_NR_RANDOM_ELEMENTS,
3528     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3529     " ", "percentage",                          "Use percentage for random elements"
3530   },
3531   {
3532     ED_RADIOBUTTON_ID_QUANTITY,
3533     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3534     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3535     RADIO_NR_RANDOM_ELEMENTS,
3536     &random_placement_method,                   RANDOM_USE_QUANTITY,
3537     " ", "quantity",                            "Use quantity for random elements"
3538   }
3539 };
3540
3541 static struct
3542 {
3543   int gadget_type_id;
3544   int x, y;
3545   int gadget_id;
3546   int gadget_id_align;
3547   boolean *value;
3548   char *text_above, *text_left, *text_right, *infotext;
3549 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3550 {
3551   // ---------- level and editor settings -------------------------------------
3552
3553   {
3554     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3555     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3556     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3557     &level.auto_count_gems,
3558     NULL, NULL,
3559     "Automatically count gems needed",          "Set counter to number of gems"
3560   },
3561   {
3562     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3563     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3564     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3565     &level.rate_time_over_score,
3566     NULL, NULL,
3567     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3568   },
3569   {
3570     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3571     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3572     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3573     &levelset_use_levelset_artwork,
3574     NULL, NULL,
3575     "Use current custom artwork",               "Use custom artwork of this level set"
3576   },
3577   {
3578     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3579     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3580     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3581     &levelset_copy_level_template,
3582     NULL, NULL,
3583     "Copy current level template",              "Copy level template of this level set"
3584   },
3585   {
3586     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3587     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3588     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3589     &random_placement_background_restricted,
3590     NULL, NULL,
3591     "Restrict random placement to:",            "Set random placement restriction"
3592   },
3593   {
3594     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3595     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3596     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3597     &setup.editor.use_template_for_new_levels,
3598     "Template for new levels and CE/GE:", NULL,
3599     "Use template for new levels",              "Use template for level properties"
3600   },
3601   {
3602     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3603     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3604     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3605     &level.use_custom_template,
3606     NULL, NULL,
3607     "Use template for custom elements",         "Use template for custom properties"
3608   },
3609   {
3610     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3611     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3612     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3613     &level.bd_intermission,
3614     "Boulder Dash game engine settings:", NULL,
3615     "Intermission",                             "Level is an intermission level"
3616   },
3617   {
3618     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3619     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3620     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3621     &level.bd_pal_timing,
3622     NULL, NULL,
3623     "PAL timing",                               "Use slower timer (like PAL C64)"
3624   },
3625   {
3626     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3627     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3628     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3629     &level.bd_line_shifting_borders,
3630     "Compatibility settings:", NULL,
3631     "Line-shifting borders",                    "Use line-shifting wrap-around"
3632   },
3633   {
3634     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3635     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3636     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3637     &level.bd_scan_first_and_last_row,
3638     NULL, NULL,
3639     "Scan first and last row",                  "Also process top/bottom border rows"
3640   },
3641   {
3642     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3643     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3644     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3645     &level.bd_short_explosions,
3646     NULL, NULL,
3647     "Short explosions",                         "Use four game cycles for explosions"
3648   },
3649
3650   // ---------- element settings: configure (various elements) ----------------
3651
3652   {
3653     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3654     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3655     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3656     &stick_element_properties_window,
3657     NULL, NULL,
3658     "Stick this screen to edit content",        "Stick this screen to edit content"
3659   },
3660   {
3661     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3662     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3663     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3664     &level.em_slippery_gems,
3665     NULL, NULL,
3666     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3667   },
3668   {
3669     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3670     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3671     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3672     &level.em_explodes_by_fire,
3673     NULL, NULL,
3674     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3675   },
3676   {
3677     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3678     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3679     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3680     &level.use_spring_bug,
3681     NULL, NULL,
3682     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3683   },
3684   {
3685     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3686     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3687     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3688     &level.use_time_orb_bug,
3689     NULL, NULL,
3690     "Use time orb bug",                         "Use odd time orb behaviour"
3691   },
3692   {
3693     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3694     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3695     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3696     &level.use_life_bugs,
3697     NULL, NULL,
3698     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3699   },
3700   {
3701     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3702     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3703     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3704     &level.ball_random,
3705     NULL, NULL,
3706     "Create single random element",             "Only create one element from content"
3707   },
3708   {
3709     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3710     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3711     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3712     &level.ball_active_initial,
3713     NULL, NULL,
3714     "Magic ball initially activated",           "Activate magic ball after level start"
3715   },
3716   {
3717     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3718     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3719     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3720     &level.grow_into_diggable,
3721     NULL, NULL,
3722     "Can grow into anything diggable",          "Grow into more than just sand"
3723   },
3724   {
3725     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3726     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3727     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3728     &level.sb_fields_needed,
3729     NULL, NULL,
3730     "All fields need to be filled",             "Require all SB fields to be solved"
3731   },
3732   {
3733     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3734     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3735     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3736     &level.sb_objects_needed,
3737     NULL, NULL,
3738     "All objects need to be placed",            "Require all SB objects to be solved"
3739   },
3740   {
3741     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3742     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3743     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3744     &level.auto_exit_sokoban,
3745     NULL, NULL,
3746     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3747   },
3748   {
3749     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3750     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3751     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3752     &level.solved_by_one_player,
3753     NULL, NULL,
3754     "Only one player must enter exit",          "Level solved by first player in exit"
3755   },
3756   {
3757     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3758     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3759     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3760     &level.finish_dig_collect,
3761     NULL, NULL,
3762     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3763   },
3764   {
3765     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3766     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3767     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3768     &level.keep_walkable_ce,
3769     NULL, NULL,
3770     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3771   },
3772   {
3773     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3774     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3775     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3776     &level.continuous_snapping,
3777     NULL, NULL,
3778     "Continuous snapping",                      "Use snapping without releasing key"
3779   },
3780   {
3781     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3782     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
3783     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
3784     &level.block_snap_field,
3785     NULL, NULL,
3786     "Block snapped field when snapping",        "Use snapping delay to show animation"
3787   },
3788   {
3789     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3790     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3791     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
3792     &level.block_last_field,
3793     NULL, NULL,
3794     "Block last field when moving",             "Player blocks last field when moving"
3795   },
3796   {
3797     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3798     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3799     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
3800     &level.sp_block_last_field,
3801     NULL, NULL,
3802     "Block last field when moving",             "Player blocks last field when moving"
3803   },
3804   {
3805     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3806     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3807     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
3808     &level.instant_relocation,
3809     NULL, NULL,
3810     "No scrolling when relocating",             "Player gets relocated without delay"
3811   },
3812   {
3813     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3814     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3815     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
3816     &level.shifted_relocation,
3817     NULL, NULL,
3818     "No centering when relocating",             "Level not centered after relocation"
3819   },
3820   {
3821     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3822     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3823     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
3824     &level.lazy_relocation,
3825     NULL, NULL,
3826     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
3827   },
3828   {
3829     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3830     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
3831     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
3832     &level.use_start_element[0],
3833     NULL, NULL,
3834     "Use level start element:",                "Start level at this element's position"
3835   },
3836   {
3837     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3838     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
3839     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
3840     &level.use_artwork_element[0],
3841     NULL, NULL,
3842     "Use artwork from element:",                "Use player artwork from other element"
3843   },
3844   {
3845     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3846     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
3847     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
3848     &level.use_explosion_element[0],
3849     NULL, NULL,
3850     "Use explosion from element:",              "Use explosion properties from element"
3851   },
3852   {
3853     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3854     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
3855     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
3856     &level.initial_player_gravity[0],
3857     NULL, NULL,
3858     "Use initial gravity",                      "Set initial player gravity"
3859   },
3860   {
3861     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3862     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3863     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
3864     &level.use_initial_inventory[0],
3865     NULL, NULL,
3866     "Use initial inventory:",                   "Use collected elements on level start"
3867   },
3868   {
3869     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3870     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
3871     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
3872     &level.can_pass_to_walkable,
3873     NULL, NULL,
3874     "Can pass to walkable element",             "Player can pass to empty or walkable"
3875   },
3876   {
3877     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3878     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3879     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
3880     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3881     NULL, NULL,
3882     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
3883   },
3884   {
3885     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3886     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3887     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
3888     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3889     NULL, NULL,
3890     "Can move into acid",                       "Element can move into acid pool"
3891   },
3892   {
3893     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3894     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3895     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
3896     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3897     NULL, NULL,
3898     "Deadly when colliding with",               "Element is deadly when hitting player"
3899   },
3900   {
3901     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3902     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3903     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
3904     &level.bd_diagonal_movements,
3905     NULL, NULL,
3906     "Can move diagonally",                      "Player can move diagonally"
3907   },
3908   {
3909     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3910     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3911     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
3912     &level.bd_topmost_player_active,
3913     NULL, NULL,
3914     "Topmost player is active",                 "Use first player found on playfield"
3915   },
3916   {
3917     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3918     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3919     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
3920     &level.bd_push_mega_rock_with_sweet,
3921     NULL, NULL,
3922     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
3923   },
3924   {
3925     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
3926     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3927     GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,      GADGET_ID_NONE,
3928     &level.bd_magic_wall_zero_infinite,
3929     NULL, NULL,
3930     "Run forever if duration is zero",          "Run infinitely if timer is zero"
3931   },
3932   {
3933     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3934     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3935     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
3936     &level.bd_magic_wall_wait_hatching,
3937     NULL, NULL,
3938     "Wait for player's birth",                  "Timer start waits for player's birth"
3939   },
3940   {
3941     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3942     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3943     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
3944     &level.bd_magic_wall_stops_amoeba,
3945     NULL, NULL,
3946     "Stop amoeba and turn to diamonds",         "Activation changes amoeba to diamonds"
3947   },
3948   {
3949     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
3950     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3951     GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,         GADGET_ID_NONE,
3952     &level.bd_magic_wall_break_scan,
3953     NULL, NULL,
3954     "Emulate amoeba bug in BD1",                "Use buggy BD1 behavior"
3955   },
3956   {
3957     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3958     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3959     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
3960     &level.bd_amoeba_wait_for_hatching,
3961     NULL, NULL,
3962     "Wait for player's birth",                  "Timer start waits for player's birth"
3963   },
3964   {
3965     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3966     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3967     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
3968     &level.bd_amoeba_start_immediately,
3969     NULL, NULL,
3970     "Start growing immediately",                "Start slow growth time immediately"
3971   },
3972   {
3973     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3974     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3975     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
3976     &level.bd_amoeba_2_explode_by_amoeba,
3977     NULL, NULL,
3978     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
3979   },
3980   {
3981     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3982     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3983     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
3984     &level.bd_voodoo_collects_diamonds,
3985     NULL, NULL,
3986     "Can collect diamonds",                     "Can collect diamonds for the player"
3987   },
3988   {
3989     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3990     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3991     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
3992     &level.bd_voodoo_hurt_kills_player,
3993     NULL, NULL,
3994     "Player is killed if hurt",                 "If hurt in any way, player is killed"
3995   },
3996   {
3997     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3998     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3999     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
4000     &level.bd_voodoo_dies_by_rock,
4001     NULL, NULL,
4002     "Killed by falling rock",                   "Can be killed by a falling rock"
4003   },
4004   {
4005     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
4006     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4007     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
4008     &level.bd_voodoo_vanish_by_explosion,
4009     NULL, NULL,
4010     "Disappears in explosions",                 "Can be destroyed by explosions"
4011   },
4012   {
4013     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
4014     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4015     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
4016     &level.bd_slime_is_predictable,
4017     NULL, NULL,
4018     "Slime is predictable",                     "Use predictable random numbers"
4019   },
4020   {
4021     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
4022     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4023     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
4024     &level.bd_change_expanding_wall,
4025     NULL, NULL,
4026     "Change direction",                         "Switch horizontal/vertical direction"
4027   },
4028   {
4029     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
4030     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4031     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
4032     &level.bd_replicators_active,
4033     NULL, NULL,
4034     "Active at start",                          "Replicators start in active state"
4035   },
4036   {
4037     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
4038     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4039     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
4040     &level.bd_conveyor_belts_active,
4041     NULL, NULL,
4042     "Active at start",                          "Conveyor belts start in active state"
4043   },
4044   {
4045     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
4046     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4047     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
4048     &level.bd_conveyor_belts_changed,
4049     NULL, NULL,
4050     "Change direction",                         "Switch conveyor belt direction"
4051   },
4052   {
4053     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
4054     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4055     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
4056     &level.bd_water_cannot_flow_down,
4057     NULL, NULL,
4058     "Does not flow downwards",                  "Water can only flow up, left and right"
4059   },
4060   {
4061     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
4062     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4063     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
4064     &level.bd_hammer_walls_reappear,
4065     NULL, NULL,
4066     "Hammered walls reappear",                  "Hammered walls reappear after delay"
4067   },
4068   {
4069     ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
4070     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4071     GADGET_ID_BD_INFINITE_ROCKETS,              GADGET_ID_NONE,
4072     &level.bd_infinite_rockets,
4073     NULL, NULL,
4074     "Infinite rockets",                         "Rocket launcher has infinite rockets"
4075   },
4076   {
4077     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
4078     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4079     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
4080     &level.bd_creatures_start_backwards,
4081     NULL, NULL,
4082     "Creatures start moving backwards",         "Creatures start in opposite direction"
4083   },
4084   {
4085     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
4086     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4087     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
4088     &level.bd_creatures_turn_on_hatching,
4089     NULL, NULL,
4090     "Creatures auto turn on hatching",          "Creatures change direction on hatching"
4091   },
4092   {
4093     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
4094     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4095     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
4096     &level.bd_gravity_switch_active,
4097     NULL, NULL,
4098     "Gravity switch active at start",           "Gravity switch starts in active state"
4099   },
4100   {
4101     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
4102     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
4103     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
4104     &level.bd_gravity_affects_all,
4105     NULL, NULL,
4106     "Gravity change affects everything",        "Gravity affects all falling objects"
4107   },
4108   {
4109     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
4110     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4111     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
4112     &level.envelope[0].autowrap,
4113     NULL, NULL,
4114     "Auto-wrap",                                "Automatically wrap envelope text"
4115   },
4116   {
4117     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
4118     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
4119     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
4120     &level.envelope[0].centered,
4121     NULL, " ",
4122     "Centered",                                 "Automatically center envelope text"
4123   },
4124   {
4125     ED_CHECKBUTTON_ID_MM_LASER_RED,
4126     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4127     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
4128     &level.mm_laser_red,
4129     "Choose color components for laser:", NULL,
4130     "Red",                                      "Use red color components in laser"
4131   },
4132   {
4133     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
4134     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4135     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
4136     &level.mm_laser_green,
4137     NULL, NULL,
4138     "Green",                                    "Use green color components in laser"
4139   },
4140   {
4141     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
4142     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4143     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
4144     &level.mm_laser_blue,
4145     NULL, NULL,
4146     "Blue",                                     "Use blue color components in laser"
4147   },
4148   {
4149     ED_CHECKBUTTON_ID_DF_LASER_RED,
4150     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4151     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4152     &level.df_laser_red,
4153     "Choose color components for laser:", NULL,
4154     "Red",                                      "Use red color components in laser"
4155   },
4156   {
4157     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4158     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4159     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4160     &level.df_laser_green,
4161     NULL, NULL,
4162     "Green",                                    "Use green color components in laser"
4163   },
4164   {
4165     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4166     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4167     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4168     &level.df_laser_blue,
4169     NULL, NULL,
4170     "Blue",                                     "Use blue color components in laser"
4171   },
4172   {
4173     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4174     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4175     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4176     &level.rotate_mm_ball_content,
4177     NULL, NULL,
4178     "Randomly rotate created content",          "Randomly rotate newly created content"
4179   },
4180   {
4181     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4182     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4183     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4184     &level.explode_mm_ball,
4185     NULL, NULL,
4186     "Explode ball instead of melting",          "Use explosion to release ball content"
4187   },
4188
4189   // ---------- element settings: configure 1 (custom elements) ---------------
4190
4191   {
4192     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4193     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4194     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4195     &custom_element.use_gfx_element,
4196     NULL, NULL,
4197     "Use graphic of element:",                  "Use existing element graphic"
4198   },
4199   {
4200     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4201     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4202     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4203     &level.use_custom_template,
4204     NULL, NULL,
4205     "Use template",                             "Use template for custom properties"
4206   },
4207   {
4208     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4209     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4210     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4211     &custom_element_properties[EP_ACCESSIBLE],
4212     NULL, NULL,
4213     NULL,                                       "Player can walk to or pass this field"
4214   },
4215   {
4216     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4217     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4218     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4219     &custom_element_properties[EP_GRAVITY_REACHABLE],
4220     NULL, NULL,
4221     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4222   },
4223   {
4224     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4225     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4226     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4227     &custom_element.use_last_ce_value,
4228     NULL, NULL,
4229     "Use last CE value after change",           "Use last CE value after change"
4230   },
4231   {
4232     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4233     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4234     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4235     &custom_element_properties[EP_WALK_TO_OBJECT],
4236     NULL, NULL,
4237     NULL,                                       "Player can dig/collect/push element"
4238   },
4239   {
4240     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4241     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4242     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4243     &custom_element_properties[EP_INDESTRUCTIBLE],
4244     NULL, NULL,
4245     "Indestructible",                           "Element is indestructible"
4246   },
4247
4248   // ---------- element settings: configure 2 (custom elements) ---------------
4249
4250   {
4251     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4252     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4253     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4254     &custom_element_properties[EP_CAN_MOVE],
4255     NULL, NULL,
4256     NULL,                                       "Element can move with some pattern"
4257   },
4258   {
4259     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4260     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4261     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4262     &custom_element_properties[EP_CAN_FALL],
4263     NULL, NULL,
4264     "Can fall",                                 "Element can fall down"
4265   },
4266   {
4267     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4268     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4269     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4270     &custom_element_properties[EP_CAN_SMASH],
4271     NULL, " ",
4272     NULL,                                       "Element can smash other elements"
4273   },
4274   {
4275     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4276     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4277     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4278     &custom_element_properties[EP_SLIPPERY],
4279     NULL, NULL,
4280     NULL,                                       "Other elements can fall down from it"
4281   },
4282   {
4283     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4284     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4285     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4286     &custom_element_properties[EP_DEADLY],
4287     NULL, NULL,
4288     NULL,                                       "Element can kill the player"
4289   },
4290   {
4291     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4292     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4293     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4294     &custom_element_properties[EP_CAN_EXPLODE],
4295     NULL, NULL,
4296     NULL,                                       "Element can explode"
4297   },
4298   {
4299     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4300     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4301     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4302     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4303     NULL, NULL,
4304     "By fire",                                  "Element can explode by fire/explosion"
4305   },
4306   {
4307     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4308     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4309     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4310     &custom_element_properties[EP_EXPLODES_SMASHED],
4311     NULL, " ",
4312     "Smashed",                                  "Element can explode when smashed"
4313   },
4314   {
4315     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4316     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4317     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4318     &custom_element_properties[EP_EXPLODES_IMPACT],
4319     NULL, " ",
4320     "Impact",                                   "Element can explode on impact"
4321   },
4322
4323   // ---------- element settings: advanced (custom elements) ------------------
4324
4325   {
4326     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4327     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4328     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4329     &custom_element_change.can_change,
4330     NULL, NULL,
4331     "Element changes to:",                      "Change element on specified condition"
4332   },
4333   {
4334     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4335     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4336     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4337     &custom_element_change_events[CE_DELAY],
4338     NULL, NULL,
4339     NULL,                                       "Element changes after delay"
4340   },
4341   {
4342     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4343     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4344     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4345     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4346     NULL, NULL,
4347     NULL,                                       "Element changes by direct action"
4348   },
4349   {
4350     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4351     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4352     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4353     &custom_element_change_events[CE_BY_OTHER_ACTION],
4354     NULL, NULL,
4355     NULL,                                       "Element changes by other element"
4356   },
4357   {
4358     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4359     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4360     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4361     &custom_element_change.explode,
4362     NULL, NULL,
4363     "Explode instead of change",                "Element explodes instead of change"
4364   },
4365   {
4366     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4367     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4368     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4369     &custom_element_change.use_target_content,
4370     NULL, NULL,
4371     "Use extended change target:",              "Element changes to more elements"
4372   },
4373   {
4374     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4375     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4376     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4377     &custom_element_change.only_if_complete,
4378     NULL, NULL,
4379     "Replace all or nothing",                   "Only replace when all can be changed"
4380   },
4381   {
4382     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4383     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4384     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4385     &custom_element_change.use_random_replace,
4386     NULL, NULL,
4387     NULL,                                       "Use percentage for random replace"
4388   },
4389   {
4390     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4391     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4392     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4393     &custom_element_change.has_action,
4394     NULL, NULL,
4395     NULL,                                       "Execute action on specified condition"
4396   },
4397 };
4398
4399 static struct
4400 {
4401   int gadget_type_id;
4402   int x, y;
4403   int xoffset, yoffset;
4404   int gadget_id;
4405   int gadget_id_align;
4406   int *value;
4407   int area_xsize, area_ysize;
4408   char *text_left, *text_right, *text_above, *text_below, *infotext;
4409 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4410 {
4411   // ---------- level playfield content ---------------------------------------
4412
4413   {
4414     ED_DRAWING_ID_DRAWING_LEVEL,
4415     0,                                          0,
4416     0,                                          0,
4417     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4418     NULL,
4419     -1, -1,     // these values are not constant, but can change at runtime
4420     NULL, NULL, NULL, NULL,                     NULL
4421   },
4422
4423   // ---------- yam yam content -----------------------------------------------
4424
4425   {
4426     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4427     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4428     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4429     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4430     &level.yamyam_content[0].e[0][0],           3, 3,
4431     NULL, NULL, NULL, "1",                      NULL
4432   },
4433   {
4434     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4435     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4436     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4437     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4438     &level.yamyam_content[1].e[0][0],           3, 3,
4439     NULL, NULL, NULL, "2",                      NULL
4440   },
4441   {
4442     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4443     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4444     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4445     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4446     &level.yamyam_content[2].e[0][0],           3, 3,
4447     NULL, NULL, NULL, "3",                      NULL
4448   },
4449   {
4450     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4451     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4452     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4453     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4454     &level.yamyam_content[3].e[0][0],           3, 3,
4455     NULL, NULL, NULL, "4",                      NULL
4456   },
4457   {
4458     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4459     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4460     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4461     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4462     &level.yamyam_content[4].e[0][0],           3, 3,
4463     NULL, NULL, NULL, "5",                      NULL
4464   },
4465   {
4466     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4467     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4468     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4469     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4470     &level.yamyam_content[5].e[0][0],           3, 3,
4471     NULL, NULL, NULL, "6",                      NULL
4472   },
4473   {
4474     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4475     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4476     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4477     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4478     &level.yamyam_content[6].e[0][0],           3, 3,
4479     NULL, NULL, NULL, "7",                      NULL
4480   },
4481   {
4482     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4483     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4484     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4485     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4486     &level.yamyam_content[7].e[0][0],           3, 3,
4487     NULL, NULL, NULL, "8",                      NULL
4488   },
4489
4490   // ---------- magic ball content --------------------------------------------
4491
4492   {
4493     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4494     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4495     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4496     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4497     &level.ball_content[0].e[0][0],             3, 3,
4498     NULL, NULL, NULL, "1",                      NULL
4499   },
4500   {
4501     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4502     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4503     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4504     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4505     &level.ball_content[1].e[0][0],             3, 3,
4506     NULL, NULL, NULL, "2",                      NULL
4507   },
4508   {
4509     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4510     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4511     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4512     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4513     &level.ball_content[2].e[0][0],             3, 3,
4514     NULL, NULL, NULL, "3",                      NULL
4515   },
4516   {
4517     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4518     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4519     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4520     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4521     &level.ball_content[3].e[0][0],             3, 3,
4522     NULL, NULL, NULL, "4",                      NULL
4523   },
4524   {
4525     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4526     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4527     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4528     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4529     &level.ball_content[4].e[0][0],             3, 3,
4530     NULL, NULL, NULL, "5",                      NULL
4531   },
4532   {
4533     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4534     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4535     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4536     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4537     &level.ball_content[5].e[0][0],             3, 3,
4538     NULL, NULL, NULL, "6",                      NULL
4539   },
4540   {
4541     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4542     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4543     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4544     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4545     &level.ball_content[6].e[0][0],             3, 3,
4546     NULL, NULL, NULL, "7",                      NULL
4547   },
4548   {
4549     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4550     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4551     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4552     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4553     &level.ball_content[7].e[0][0],             3, 3,
4554     NULL, NULL, NULL, "8",                      NULL
4555   },
4556
4557   // ---------- android content -----------------------------------------------
4558
4559   {
4560     ED_DRAWING_ID_ANDROID_CONTENT,
4561     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4562     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4563     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4564     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4565     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4566   },
4567
4568   // ---------- amoeba content ------------------------------------------------
4569
4570   {
4571     ED_DRAWING_ID_AMOEBA_CONTENT,
4572     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4573     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4574     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4575     &level.amoeba_content,                      1, 1,
4576     "Content:", NULL, NULL, NULL,               "Amoeba content"
4577   },
4578
4579   // ---------- BD snap element -----------------------------------------------
4580
4581   {
4582     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4583     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4584     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4585     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4586     &level.bd_snap_element,                     1, 1,
4587     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4588   },
4589
4590   // ---------- BD magic wall elements ----------------------------------------
4591
4592   {
4593     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4594     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4595     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4596     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4597     &level.bd_magic_wall_diamond_to,            1, 1,
4598     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4599   },
4600   {
4601     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4602     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4603     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4604     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4605     &level.bd_magic_wall_rock_to,               1, 1,
4606     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4607   },
4608   {
4609     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4610     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4611     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4612     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4613     &level.bd_magic_wall_mega_rock_to,          1, 1,
4614     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4615   },
4616   {
4617     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4618     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4619     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4620     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4621     &level.bd_magic_wall_nut_to,                1, 1,
4622     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4623   },
4624   {
4625     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4626     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4627     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4628     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4629     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4630     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4631   },
4632   {
4633     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4634     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4635     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4636     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4637     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4638     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4639   },
4640   {
4641     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4642     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(12),
4643     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4644     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4645     &level.bd_magic_wall_flying_rock_to,        1, 1,
4646     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4647   },
4648
4649   // ---------- BD amoeba content ---------------------------------------------
4650
4651   {
4652     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4653     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4654     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4655     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4656     &level.bd_amoeba_content_too_big,           1, 1,
4657     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4658   },
4659   {
4660     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4661     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4662     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4663     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4664     &level.bd_amoeba_content_enclosed,          1, 1,
4665     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4666   },
4667
4668   // ---------- BD amoeba 2 content -------------------------------------------
4669
4670   {
4671     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4672     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4673     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4674     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4675     &level.bd_amoeba_2_content_too_big,         1, 1,
4676     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4677   },
4678   {
4679     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4680     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4681     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4682     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4683     &level.bd_amoeba_2_content_enclosed,        1, 1,
4684     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4685   },
4686   {
4687     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4688     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4689     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4690     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4691     &level.bd_amoeba_2_content_exploding,       1, 1,
4692     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4693   },
4694   {
4695     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4696     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4697     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4698     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4699     &level.bd_amoeba_2_content_looks_like,      1, 1,
4700     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4701   },
4702   {
4703     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4704     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4705     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4706     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4707     &level.bd_slime_eats_element_1,             1, 1,
4708     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4709   },
4710   {
4711     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4712     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4713     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4714     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4715     &level.bd_slime_converts_to_element_1,      1, 1,
4716     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4717   },
4718   {
4719     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4720     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4721     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4722     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4723     &level.bd_slime_eats_element_2,             1, 1,
4724     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4725   },
4726   {
4727     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4728     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4729     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4730     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4731     &level.bd_slime_converts_to_element_2,      1, 1,
4732     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4733   },
4734   {
4735     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4736     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4737     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4738     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4739     &level.bd_slime_eats_element_3,             1, 1,
4740     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4741   },
4742   {
4743     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4744     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4745     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4746     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4747     &level.bd_slime_converts_to_element_3,      1, 1,
4748     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4749   },
4750   {
4751     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4752     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4753     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4754     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4755     &level.bd_acid_eats_element,                1, 1,
4756     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4757   },
4758   {
4759     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4760     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4761     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4762     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4763     &level.bd_acid_turns_to_element,            1, 1,
4764     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4765   },
4766   {
4767     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4768     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4769     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4770     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4771     &level.bd_biter_eats_element,               1, 1,
4772     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4773   },
4774   {
4775     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4776     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4777     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4778     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
4779     &level.bd_bladder_converts_by_element,      1, 1,
4780     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
4781   },
4782   {
4783     ED_DRAWING_ID_BD_NUT_CONTENT,
4784     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4785     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4786     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
4787     &level.bd_nut_content,                      1, 1,
4788     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
4789   },
4790   {
4791     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4792     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4793     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4794     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
4795     &level.bd_expanding_wall_looks_like,        1, 1,
4796     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
4797   },
4798   {
4799     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
4800     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4801     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4802     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
4803     &level.bd_sand_looks_like,                  1, 1,
4804     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
4805   },
4806   {
4807     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
4808     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4809     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4810     GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,      GADGET_ID_NONE,
4811     &level.bd_rock_turns_to_on_falling,         1, 1,
4812     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
4813   },
4814   {
4815     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
4816     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4817     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4818     GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,       GADGET_ID_NONE,
4819     &level.bd_rock_turns_to_on_impact,          1, 1,
4820     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
4821   },
4822   {
4823     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
4824     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4825     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4826     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,   GADGET_ID_NONE,
4827     &level.bd_diamond_turns_to_on_falling,      1, 1,
4828     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
4829   },
4830   {
4831     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
4832     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4833     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4834     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,    GADGET_ID_NONE,
4835     &level.bd_diamond_turns_to_on_impact,       1, 1,
4836     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
4837   },
4838   {
4839     ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
4840     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4841     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4842     GADGET_ID_BD_FIREFLY_EXPLODES_TO,           GADGET_ID_NONE,
4843     &level.bd_firefly_explodes_to,              1, 1,
4844     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4845   },
4846   {
4847     ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
4848     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4849     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4850     GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,         GADGET_ID_NONE,
4851     &level.bd_firefly_2_explodes_to,            1, 1,
4852     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4853   },
4854   {
4855     ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
4856     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4857     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4858     GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,         GADGET_ID_NONE,
4859     &level.bd_butterfly_explodes_to,            1, 1,
4860     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4861   },
4862   {
4863     ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
4864     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4865     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4866     GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,       GADGET_ID_NONE,
4867     &level.bd_butterfly_2_explodes_to,          1, 1,
4868     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4869   },
4870   {
4871     ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
4872     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4873     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4874     GADGET_ID_BD_STONEFLY_EXPLODES_TO,          GADGET_ID_NONE,
4875     &level.bd_stonefly_explodes_to,             1, 1,
4876     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4877   },
4878   {
4879     ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
4880     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4881     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4882     GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,         GADGET_ID_NONE,
4883     &level.bd_dragonfly_explodes_to,            1, 1,
4884     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4885   },
4886   {
4887     ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
4888     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4889     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4890     GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,        GADGET_ID_NONE,
4891     &level.bd_diamond_birth_turns_to,           1, 1,
4892     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4893   },
4894   {
4895     ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
4896     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4897     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4898     GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,       GADGET_ID_NONE,
4899     &level.bd_bomb_explosion_turns_to,          1, 1,
4900     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4901   },
4902   {
4903     ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
4904     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4905     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4906     GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,      GADGET_ID_NONE,
4907     &level.bd_nitro_explosion_turns_to,         1, 1,
4908     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4909   },
4910   {
4911     ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
4912     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4913     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4914     GADGET_ID_BD_EXPLOSION_TURNS_TO,            GADGET_ID_NONE,
4915     &level.bd_explosion_turns_to,               1, 1,
4916     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4917   },
4918
4919   // ---------- level start element -------------------------------------------
4920
4921   {
4922     ED_DRAWING_ID_START_ELEMENT,
4923     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
4924     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4925     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
4926     &level.start_element[0],                    1, 1,
4927     NULL, NULL, NULL, NULL,                     "Level start element"
4928   },
4929
4930   // ---------- player artwork element ----------------------------------------
4931
4932   {
4933     ED_DRAWING_ID_ARTWORK_ELEMENT,
4934     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
4935     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4936     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
4937     &level.artwork_element[0],                  1, 1,
4938     NULL, NULL, NULL, NULL,                     "Element for player artwork"
4939   },
4940
4941   // ---------- player explosion element --------------------------------------
4942
4943   {
4944     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4945     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
4946     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4947     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
4948     &level.explosion_element[0],                1, 1,
4949     NULL, NULL, NULL, NULL,                     "Element for player explosion"
4950   },
4951
4952   // ---------- player initial inventory --------------------------------------
4953
4954   {
4955     ED_DRAWING_ID_INVENTORY_CONTENT,
4956     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4957     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4958     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
4959     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
4960     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
4961   },
4962
4963   // ---------- gray ball content -----------------------------------------
4964
4965   {
4966     ED_DRAWING_ID_MM_BALL_CONTENT,
4967     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4968     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4969     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
4970     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
4971     "Content:", NULL, NULL, NULL,               "Content for gray ball"
4972   },
4973
4974   // ---------- element settings: configure 1 (custom elements) ---------------
4975
4976   // ---------- custom graphic ------------------------------------------------
4977
4978   {
4979     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4980     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4981     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4982     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
4983     &custom_element.gfx_element_initial,        1, 1,
4984     NULL, NULL, NULL, NULL,                     "Custom graphic element"
4985   },
4986
4987   // ---------- element settings: configure 2 (custom elements) ---------------
4988
4989   // ---------- custom content (when exploding) -------------------------------
4990
4991   {
4992     ED_DRAWING_ID_CUSTOM_CONTENT,
4993     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
4994     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4995     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
4996     &custom_element.content.e[0][0],            3, 3,
4997     "Content:", NULL, NULL, NULL,               NULL
4998   },
4999
5000   // ---------- custom enter and leave element (when moving) ------------------
5001
5002   {
5003     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
5004     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
5005     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5006     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
5007     &custom_element.move_enter_element,         1, 1,
5008     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
5009   },
5010   {
5011     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
5012     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
5013     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5014     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
5015     &custom_element.move_leave_element,         1, 1,
5016     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
5017   },
5018
5019   // ---------- element settings: advanced (custom elements) ------------------
5020
5021   // ---------- custom change target ------------------------------------------
5022
5023   {
5024     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
5025     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5026     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5027     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
5028     &custom_element_change.target_element,      1, 1,
5029     NULL, "after/when:", NULL, NULL,            "New target element after change"
5030   },
5031
5032   // ---------- custom change content (extended change target) ----------------
5033
5034   {
5035     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
5036     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
5037     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5038     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
5039     &custom_element_change.target_content.e[0][0], 3, 3,
5040     NULL, NULL, NULL, NULL,                     "New extended elements after change"
5041   },
5042
5043   // ---------- custom change trigger (element causing change) ----------------
5044
5045   {
5046     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
5047     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
5048     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5049     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
5050     &custom_element_change.initial_trigger_element, 1, 1,
5051     NULL, NULL, NULL, NULL,                     "Other element triggering change"
5052   },
5053
5054   // ---------- custom change action (element used for action) ----------------
5055
5056   {
5057     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
5058     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
5059     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5060     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
5061     &custom_element_change.action_element,      1, 1,
5062     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
5063   },
5064
5065   // ---------- group element content -----------------------------------------
5066
5067   {
5068     ED_DRAWING_ID_GROUP_CONTENT,
5069     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5070     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5071     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
5072     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
5073     "Content:", NULL, NULL, NULL,               NULL
5074   },
5075
5076   // ---------- random background (for random painting) -----------------------
5077
5078   {
5079     ED_DRAWING_ID_RANDOM_BACKGROUND,
5080     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
5081     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
5082     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
5083     &random_placement_background_element,       1, 1,
5084     NULL, NULL, NULL, NULL,                     "Random placement background"
5085   },
5086 };
5087
5088
5089 // ----------------------------------------------------------------------------
5090 // some internally used variables
5091 // ----------------------------------------------------------------------------
5092
5093 // maximal size of level editor drawing area
5094 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
5095
5096 // actual size of level editor drawing area
5097 static int ed_fieldx, ed_fieldy;
5098
5099 // actual position of level editor drawing area in level playfield
5100 static int level_xpos = -1, level_ypos = -1;
5101
5102 // actual tile size used to display playfield drawing area
5103 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
5104 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
5105
5106 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
5107
5108 // drawing elements on the three mouse buttons
5109 static int new_element1 = EL_WALL;
5110 static int new_element2 = EL_EMPTY;
5111 static int new_element3 = EL_SAND;
5112
5113 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
5114 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
5115                                 (button) == 2 ? new_element2 : \
5116                                 (button) == 3 ? new_element3 : EL_EMPTY)
5117
5118 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
5119
5120 static int use_permanent_palette = TRUE;
5121
5122 #define PX              (use_permanent_palette ? DX : SX)
5123 #define PY              (use_permanent_palette ? DY : SY)
5124 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
5125 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
5126
5127 // forward declaration for internal use
5128 static void CopyBrushToCursor(int, int);
5129 static void DeleteBrushFromCursor(void);
5130 static void ModifyEditorCounterValue(int, int);
5131 static void ModifyEditorCounterLimits(int, int, int);
5132 static void ModifyEditorSelectboxValue(int, int);
5133 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
5134 static void ModifyEditorDrawingArea(int, int, int);
5135 static void ModifyEditorElementList(void);
5136 static void AdjustElementListScrollbar(void);
5137 static void RedrawDrawingElements(void);
5138 static void DrawDrawingWindowExt(boolean);
5139 static void DrawDrawingWindow(void);
5140 static void DrawLevelConfigWindow(void);
5141 static void DrawPropertiesWindow(void);
5142 static void DrawPaletteWindow(void);
5143 static void UpdateCustomElementGraphicGadgets(void);
5144 static boolean checkPropertiesConfig(int);
5145 static void SetAutomaticNumberOfGemsNeeded(void);
5146 static void ClearEditorGadgetInfoText(void);
5147 static void CopyLevelToUndoBuffer(int);
5148 static void HandleDrawingAreas(struct GadgetInfo *);
5149 static void HandleCounterButtons(struct GadgetInfo *);
5150 static void HandleTextInputGadgets(struct GadgetInfo *);
5151 static void HandleTextAreaGadgets(struct GadgetInfo *);
5152 static void HandleSelectboxGadgets(struct GadgetInfo *);
5153 static void HandleTextbuttonGadgets(struct GadgetInfo *);
5154 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
5155 static void HandleRadiobuttons(struct GadgetInfo *);
5156 static void HandleCheckbuttons(struct GadgetInfo *);
5157 static void HandleControlButtons(struct GadgetInfo *);
5158 static void HandleDrawingAreaInfo(struct GadgetInfo *);
5159 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
5160 static boolean AskToCopyAndModifyLevelTemplate(void);
5161 static boolean getDrawModeHiRes(void);
5162 static int getTabulatorBarWidth(void);
5163 static int getTabulatorBarHeight(void);
5164 static Pixel getTabulatorBarColor(void);
5165 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
5166 static int numHiresTiles(int);
5167
5168 static int num_editor_gadgets = 0;      // dynamically determined
5169
5170 static struct GadgetInfo **level_editor_gadget = NULL;
5171 static int *right_gadget_border = NULL;
5172
5173 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
5174 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
5175 static boolean draw_with_brush = FALSE;
5176 static int properties_element = 0;
5177
5178 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5179 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5180 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5181 static int undo_buffer_position = 0;
5182 static int undo_buffer_steps = 0;
5183 static int redo_buffer_steps = 0;
5184
5185 static int edit_mode;
5186 static int edit_mode_levelconfig;
5187 static int edit_mode_engineconfig;
5188 static int edit_mode_properties;
5189
5190 static int element_shift = 0;
5191
5192 static int editor_el_players[] =
5193 {
5194   EL_PLAYER_1,
5195   EL_PLAYER_2,
5196   EL_PLAYER_3,
5197   EL_PLAYER_4
5198 };
5199 static int *editor_el_players_ptr = editor_el_players;
5200 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
5201
5202 static int editor_hl_boulderdash[] =
5203 {
5204   EL_INTERNAL_CASCADE_BD_ACTIVE,
5205   EL_CHAR('B'),
5206   EL_CHAR('D'),
5207   EL_EMPTY,
5208 };
5209
5210 static int editor_el_boulderdash[] =
5211 {
5212   EL_EMPTY,
5213   EL_SAND,
5214   EL_BD_ROCK,
5215   EL_BD_DIAMOND,
5216
5217   EL_STEELWALL,
5218   EL_BD_WALL,
5219   EL_BD_EXPANDABLE_WALL,
5220   EL_BD_MAGIC_WALL,
5221
5222   EL_BD_AMOEBA,
5223   EL_BD_BUTTERFLY_UP,
5224   EL_BD_FIREFLY_UP,
5225   EL_EXIT_CLOSED,
5226
5227   EL_BD_BUTTERFLY_LEFT,
5228   EL_BD_FIREFLY_LEFT,
5229   EL_BD_BUTTERFLY_RIGHT,
5230   EL_BD_FIREFLY_RIGHT,
5231
5232   EL_EMPTY,
5233   EL_BD_BUTTERFLY_DOWN,
5234   EL_BD_FIREFLY_DOWN,
5235   EL_EXIT_OPEN,
5236 };
5237 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
5238 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
5239 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
5240 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
5241
5242 static int editor_hl_boulderdash_native[] =
5243 {
5244   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
5245   EL_CHAR('B'),
5246   EL_CHAR('D'),
5247   EL_EMPTY,
5248 };
5249
5250 static int editor_el_boulderdash_native[] =
5251 {
5252   EL_EMPTY,
5253   EL_BD_SAND,
5254   EL_BD_ROCK,
5255   EL_BD_DIAMOND,
5256
5257   EL_BD_INBOX,
5258   EL_BD_STEELWALL,
5259   EL_BD_WALL,
5260   EL_BD_MAGIC_WALL,
5261
5262   EL_BD_AMOEBA,
5263   EL_BD_BUTTERFLY_UP,
5264   EL_BD_FIREFLY_UP,
5265   EL_BD_EXIT_CLOSED,
5266
5267   EL_BD_BUTTERFLY_LEFT,
5268   EL_BD_FIREFLY_LEFT,
5269   EL_BD_BUTTERFLY_RIGHT,
5270   EL_BD_FIREFLY_RIGHT,
5271
5272   EL_BD_SAND_2,
5273   EL_BD_BUTTERFLY_DOWN,
5274   EL_BD_FIREFLY_DOWN,
5275   EL_BD_EXIT_OPEN,
5276
5277   EL_BD_AMOEBA_2,
5278   EL_BD_BUTTERFLY_2_UP,
5279   EL_BD_FIREFLY_2_UP,
5280   EL_BD_SLIME,
5281
5282   EL_BD_BUTTERFLY_2_LEFT,
5283   EL_BD_FIREFLY_2_LEFT,
5284   EL_BD_BUTTERFLY_2_RIGHT,
5285   EL_BD_FIREFLY_2_RIGHT,
5286
5287   EL_BD_BOMB,
5288   EL_BD_BUTTERFLY_2_DOWN,
5289   EL_BD_FIREFLY_2_DOWN,
5290   EL_BD_FLYING_DIAMOND,
5291
5292   EL_BD_NITRO_PACK,
5293   EL_BD_DRAGONFLY_UP,
5294   EL_BD_STONEFLY_UP,
5295   EL_BD_DIAMOND_GLUED,
5296
5297   EL_BD_DRAGONFLY_LEFT,
5298   EL_BD_STONEFLY_LEFT,
5299   EL_BD_DRAGONFLY_RIGHT,
5300   EL_BD_STONEFLY_RIGHT,
5301
5302   EL_BD_NUT,
5303   EL_BD_DRAGONFLY_DOWN,
5304   EL_BD_STONEFLY_DOWN,
5305   EL_EMPTY,
5306
5307   EL_BD_BITER_SWITCH_1,
5308   EL_BD_BITER_UP,
5309   EL_BD_COW_UP,
5310   EL_EMPTY,
5311
5312   EL_BD_BITER_LEFT,
5313   EL_BD_COW_LEFT,
5314   EL_BD_BITER_RIGHT,
5315   EL_BD_COW_RIGHT,
5316
5317   EL_BD_VOODOO_DOLL,
5318   EL_BD_BITER_DOWN,
5319   EL_BD_COW_DOWN,
5320   EL_BD_GHOST,
5321
5322   EL_BD_SAND_GLUED,
5323   EL_BD_SAND_BALL,
5324   EL_BD_SAND_LOOSE,
5325   EL_BD_WALL_NON_SLOPED,
5326
5327   EL_BD_SAND_SLOPED_UP_LEFT,
5328   EL_BD_SAND_SLOPED_UP_RIGHT,
5329   EL_BD_WALL_SLOPED_UP_LEFT,
5330   EL_BD_WALL_SLOPED_UP_RIGHT,
5331
5332   EL_BD_SAND_SLOPED_DOWN_LEFT,
5333   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5334   EL_BD_WALL_SLOPED_DOWN_LEFT,
5335   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5336
5337   EL_BD_FLYING_ROCK,
5338   EL_BD_ROCK_GLUED,
5339   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5340   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5341
5342   EL_BD_WAITING_ROCK,
5343   EL_BD_CHASING_ROCK,
5344   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5345   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5346
5347   EL_BD_MEGA_ROCK,
5348   EL_BD_SWEET,
5349   EL_BD_INVISIBLE_EXIT_CLOSED,
5350   EL_BD_INVISIBLE_EXIT_OPEN,
5351
5352   EL_BD_STEELWALL_EXPLODABLE,
5353   EL_BD_STEELWALL_DIGGABLE,
5354   EL_BD_WALL_DIGGABLE,
5355   EL_BD_FALLING_WALL,
5356
5357   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5358   EL_BD_EXPANDABLE_WALL_VERTICAL,
5359   EL_BD_EXPANDABLE_WALL_ANY,
5360   EL_BD_EXPANDABLE_WALL_SWITCH,
5361
5362   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5363   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5364   EL_BD_EXPANDABLE_STEELWALL_ANY,
5365   EL_BD_CREATURE_SWITCH,
5366
5367   EL_BD_BLADDER,
5368   EL_BD_BLADDER_SPENDER,
5369   EL_BD_REPLICATOR,
5370   EL_BD_REPLICATOR_SWITCH,
5371
5372   EL_BD_CONVEYOR_LEFT,
5373   EL_BD_CONVEYOR_RIGHT,
5374   EL_BD_CONVEYOR_SWITCH,
5375   EL_BD_CONVEYOR_DIR_SWITCH,
5376
5377   EL_BD_CLOCK,
5378   EL_BD_TIME_PENALTY,
5379   EL_BD_GRAVESTONE,
5380   EL_BD_SKELETON,
5381
5382   EL_BD_WATER,
5383   EL_BD_ACID,
5384   EL_BD_LAVA,
5385   EL_BD_BOX,
5386
5387   EL_BD_GATE_1,
5388   EL_BD_GATE_2,
5389   EL_BD_GATE_3,
5390   EL_BD_TRAPPED_DIAMOND,
5391
5392   EL_BD_KEY_1,
5393   EL_BD_KEY_2,
5394   EL_BD_KEY_3,
5395   EL_BD_DIAMOND_KEY,
5396
5397   EL_BD_WALL_KEY_1,
5398   EL_BD_WALL_KEY_2,
5399   EL_BD_WALL_KEY_3,
5400   EL_BD_WALL_DIAMOND,
5401
5402   EL_BD_POT,
5403   EL_BD_GRAVITY_SWITCH,
5404   EL_BD_PNEUMATIC_HAMMER,
5405   EL_BD_TELEPORTER,
5406
5407   EL_BD_PLAYER,
5408   EL_BD_PLAYER_WITH_BOMB,
5409   EL_BD_PLAYER_WITH_ROCKET_LAUNCHER,
5410   EL_BD_ROCKET_LAUNCHER,
5411
5412   EL_BD_PLAYER_GLUED,
5413   EL_BD_PLAYER_STIRRING,
5414   EL_EMPTY,
5415   EL_EMPTY,
5416 };
5417 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5418 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5419 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5420 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5421
5422 static int editor_hl_boulderdash_effects[] =
5423 {
5424   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5425   EL_CHAR('B'),
5426   EL_CHAR('D'),
5427   EL_CHAR('E'),
5428 };
5429
5430 static int editor_el_boulderdash_effects[] =
5431 {
5432   EL_BD_DIAMOND_FALLING,
5433   EL_BD_ROCK_FALLING,
5434   EL_BD_MEGA_ROCK_FALLING,
5435   EL_BD_FLYING_DIAMOND_FLYING,
5436
5437   EL_BD_FALLING_WALL_FALLING,
5438   EL_BD_NITRO_PACK_FALLING,
5439   EL_BD_NUT_FALLING,
5440   EL_BD_FLYING_ROCK_FLYING,
5441
5442   EL_BD_PLAYER_GROWING_1,
5443   EL_BD_PLAYER_GROWING_2,
5444   EL_BD_PLAYER_GROWING_3,
5445   EL_BD_PLAYER,
5446
5447   EL_BD_PLAYER_WITH_BOMB,
5448   EL_BD_PLAYER_STIRRING,
5449   EL_BD_EXIT_OPEN,
5450   EL_BD_INVISIBLE_EXIT_OPEN,
5451
5452   EL_BD_BLADDER_1,
5453   EL_BD_BLADDER_2,
5454   EL_BD_BLADDER_3,
5455   EL_BD_BLADDER_4,
5456
5457   EL_BD_BLADDER_5,
5458   EL_BD_BLADDER_6,
5459   EL_BD_BLADDER_7,
5460   EL_BD_BLADDER_8,
5461
5462   EL_BD_SAND_2,
5463   EL_BD_COW_ENCLOSED_1,
5464   EL_BD_COW_ENCLOSED_2,
5465   EL_BD_COW_ENCLOSED_3,
5466
5467   EL_BD_COW_ENCLOSED_4,
5468   EL_BD_COW_ENCLOSED_5,
5469   EL_BD_COW_ENCLOSED_6,
5470   EL_BD_COW_ENCLOSED_7,
5471
5472   EL_BD_WATER_1,
5473   EL_BD_WATER_2,
5474   EL_BD_WATER_3,
5475   EL_BD_WATER_4,
5476
5477   EL_BD_WATER_5,
5478   EL_BD_WATER_6,
5479   EL_BD_WATER_7,
5480   EL_BD_WATER_8,
5481
5482   EL_BD_WATER_9,
5483   EL_BD_WATER_10,
5484   EL_BD_WATER_11,
5485   EL_BD_WATER_12,
5486
5487   EL_BD_WATER_13,
5488   EL_BD_WATER_14,
5489   EL_BD_WATER_15,
5490   EL_BD_WATER_16,
5491
5492   EL_BD_BOMB_TICKING_1,
5493   EL_BD_BOMB_TICKING_2,
5494   EL_BD_BOMB_TICKING_3,
5495   EL_BD_BOMB_TICKING_4,
5496
5497   EL_BD_BOMB_TICKING_5,
5498   EL_BD_BOMB_TICKING_6,
5499   EL_BD_BOMB_TICKING_7,
5500   EL_EMPTY,
5501
5502   EL_BD_BOMB_EXPLODING_1,
5503   EL_BD_BOMB_EXPLODING_2,
5504   EL_BD_BOMB_EXPLODING_3,
5505   EL_BD_BOMB_EXPLODING_4,
5506
5507   EL_BD_NUT_BREAKING_1,
5508   EL_BD_NUT_BREAKING_2,
5509   EL_BD_NUT_BREAKING_3,
5510   EL_BD_NUT_BREAKING_4,
5511
5512   EL_BD_EXPLODING_1,
5513   EL_BD_EXPLODING_2,
5514   EL_BD_EXPLODING_3,
5515   EL_BD_EXPLODING_4,
5516
5517   EL_BD_EXPLODING_5,
5518   EL_BD_TIME_PENALTY,
5519   EL_BD_DIAMOND_GROWING_1,
5520   EL_BD_DIAMOND_GROWING_2,
5521
5522   EL_BD_DIAMOND_GROWING_3,
5523   EL_BD_DIAMOND_GROWING_4,
5524   EL_BD_DIAMOND_GROWING_5,
5525   EL_BD_NITRO_PACK_EXPLODING,
5526
5527   EL_BD_NITRO_PACK_EXPLODING_1,
5528   EL_BD_NITRO_PACK_EXPLODING_2,
5529   EL_BD_NITRO_PACK_EXPLODING_3,
5530   EL_BD_NITRO_PACK_EXPLODING_4,
5531
5532   EL_BD_ROCK_GROWING_1,
5533   EL_BD_ROCK_GROWING_2,
5534   EL_BD_ROCK_GROWING_3,
5535   EL_BD_ROCK_GROWING_4,
5536
5537   EL_BD_STEELWALL_GROWING_1,
5538   EL_BD_STEELWALL_GROWING_2,
5539   EL_BD_STEELWALL_GROWING_3,
5540   EL_BD_STEELWALL_GROWING_4,
5541
5542   EL_BD_CLOCK_GROWING_1,
5543   EL_BD_CLOCK_GROWING_2,
5544   EL_BD_CLOCK_GROWING_3,
5545   EL_BD_CLOCK_GROWING_4,
5546
5547   EL_BD_GHOST_EXPLODING_1,
5548   EL_BD_GHOST_EXPLODING_2,
5549   EL_BD_GHOST_EXPLODING_3,
5550   EL_BD_GHOST_EXPLODING_4,
5551 };
5552 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5553 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5554 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5555 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5556
5557 static int editor_hl_emerald_mine[] =
5558 {
5559   EL_INTERNAL_CASCADE_EM_ACTIVE,
5560   EL_CHAR('E'),
5561   EL_CHAR('M'),
5562   EL_EMPTY,
5563 };
5564
5565 static int editor_el_emerald_mine[] =
5566 {
5567   EL_SAND,
5568   EL_ROCK,
5569   EL_QUICKSAND_EMPTY,
5570   EL_QUICKSAND_FULL,
5571
5572   EL_STEELWALL,
5573   EL_WALL,
5574   EL_WALL_SLIPPERY,
5575   EL_MAGIC_WALL,
5576
5577   EL_EMERALD,
5578   EL_DIAMOND,
5579   EL_NUT,
5580   EL_BOMB,
5581
5582   EL_EM_DYNAMITE,
5583   EL_EM_DYNAMITE_ACTIVE,
5584   EL_EM_EXIT_CLOSED,
5585   EL_EM_EXIT_OPEN,
5586
5587   EL_YAMYAM_UP,
5588   EL_BUG_UP,
5589   EL_SPACESHIP_UP,
5590   EL_ROBOT,
5591
5592   EL_BUG_LEFT,
5593   EL_SPACESHIP_LEFT,
5594   EL_BUG_RIGHT,
5595   EL_SPACESHIP_RIGHT,
5596
5597   EL_ROBOT_WHEEL,
5598   EL_BUG_DOWN,
5599   EL_SPACESHIP_DOWN,
5600   EL_INVISIBLE_WALL,
5601
5602   EL_ACID_POOL_TOPLEFT,
5603   EL_ACID,
5604   EL_ACID_POOL_TOPRIGHT,
5605   EL_AMOEBA_DROP,
5606
5607   EL_ACID_POOL_BOTTOMLEFT,
5608   EL_ACID_POOL_BOTTOM,
5609   EL_ACID_POOL_BOTTOMRIGHT,
5610   EL_AMOEBA_WET,
5611
5612   EL_EM_KEY_1,
5613   EL_EM_KEY_2,
5614   EL_EM_KEY_3,
5615   EL_EM_KEY_4,
5616
5617   EL_EM_GATE_1,
5618   EL_EM_GATE_2,
5619   EL_EM_GATE_3,
5620   EL_EM_GATE_4,
5621
5622   EL_EM_GATE_1_GRAY,
5623   EL_EM_GATE_2_GRAY,
5624   EL_EM_GATE_3_GRAY,
5625   EL_EM_GATE_4_GRAY,
5626 };
5627 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5628 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5629 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5630 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5631
5632 static int editor_hl_emerald_mine_club[] =
5633 {
5634   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5635   EL_CHAR('E'),
5636   EL_CHAR('M'),
5637   EL_CHAR('C'),
5638 };
5639
5640 static int editor_el_emerald_mine_club[] =
5641 {
5642   EL_EMC_KEY_5,
5643   EL_EMC_KEY_6,
5644   EL_EMC_KEY_7,
5645   EL_EMC_KEY_8,
5646
5647   EL_EMC_GATE_5,
5648   EL_EMC_GATE_6,
5649   EL_EMC_GATE_7,
5650   EL_EMC_GATE_8,
5651
5652   EL_EMC_GATE_5_GRAY,
5653   EL_EMC_GATE_6_GRAY,
5654   EL_EMC_GATE_7_GRAY,
5655   EL_EMC_GATE_8_GRAY,
5656
5657   EL_EMC_STEELWALL_1,
5658   EL_EMC_STEELWALL_2,
5659   EL_EMC_STEELWALL_3,
5660   EL_EMC_STEELWALL_4,
5661
5662   EL_EMC_WALL_13,
5663   EL_EMC_WALL_14,
5664   EL_EMC_WALL_15,
5665   EL_EMC_WALL_16,
5666
5667   EL_EMC_WALL_SLIPPERY_1,
5668   EL_EMC_WALL_SLIPPERY_2,
5669   EL_EMC_WALL_SLIPPERY_3,
5670   EL_EMC_WALL_SLIPPERY_4,
5671
5672   EL_EMC_WALL_1,
5673   EL_EMC_WALL_2,
5674   EL_EMC_WALL_3,
5675   EL_EMC_WALL_4,
5676
5677   EL_EMC_WALL_5,
5678   EL_EMC_WALL_6,
5679   EL_EMC_WALL_7,
5680   EL_EMC_WALL_8,
5681
5682   EL_EMC_WALL_9,
5683   EL_EMC_WALL_10,
5684   EL_EMC_WALL_11,
5685   EL_EMC_WALL_12,
5686
5687   EL_EMC_GRASS,
5688   EL_EMC_FAKE_GRASS,
5689   EL_EMC_PLANT,
5690   EL_EMC_DRIPPER,
5691
5692   EL_EMC_MAGIC_BALL,
5693   EL_EMC_MAGIC_BALL_SWITCH,
5694   EL_EMC_LENSES,
5695   EL_EMC_MAGNIFIER,
5696
5697   EL_SPRING_LEFT,
5698   EL_SPRING,
5699   EL_SPRING_RIGHT,
5700   EL_EMC_SPRING_BUMPER,
5701
5702   EL_BALLOON,
5703   EL_YAMYAM_UP,
5704   EL_BALLOON_SWITCH_UP,
5705   EL_BALLOON_SWITCH_ANY,
5706
5707   EL_YAMYAM_LEFT,
5708   EL_BALLOON_SWITCH_LEFT,
5709   EL_YAMYAM_RIGHT,
5710   EL_BALLOON_SWITCH_RIGHT,
5711
5712   EL_EMC_ANDROID,
5713   EL_YAMYAM_DOWN,
5714   EL_BALLOON_SWITCH_DOWN,
5715   EL_BALLOON_SWITCH_NONE,
5716 };
5717 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5718 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5719 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5720 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5721
5722 static int editor_hl_rnd[] =
5723 {
5724   EL_INTERNAL_CASCADE_RND_ACTIVE,
5725   EL_CHAR('R'),
5726   EL_CHAR('N'),
5727   EL_CHAR('D'),
5728 };
5729
5730 static int editor_el_rnd[] =
5731 {
5732   EL_DYNAMITE,                  // RND
5733   EL_DYNAMITE_ACTIVE,           // RND
5734   EL_EMPTY,
5735   EL_EMPTY,
5736
5737   EL_KEY_1,
5738   EL_KEY_2,
5739   EL_KEY_3,
5740   EL_KEY_4,
5741
5742   EL_GATE_1,
5743   EL_GATE_2,
5744   EL_GATE_3,
5745   EL_GATE_4,
5746
5747   EL_GATE_1_GRAY,
5748   EL_GATE_2_GRAY,
5749   EL_GATE_3_GRAY,
5750   EL_GATE_4_GRAY,
5751
5752   EL_ARROW_LEFT,
5753   EL_ARROW_RIGHT,
5754   EL_ARROW_UP,
5755   EL_ARROW_DOWN,
5756
5757   EL_AMOEBA_DEAD,
5758   EL_AMOEBA_DRY,
5759   EL_AMOEBA_FULL,
5760   EL_GAME_OF_LIFE,
5761
5762   EL_EMERALD_YELLOW,
5763   EL_EMERALD_RED,
5764   EL_EMERALD_PURPLE,
5765   EL_BIOMAZE,
5766
5767   EL_WALL_EMERALD_YELLOW,
5768   EL_WALL_EMERALD_RED,
5769   EL_WALL_EMERALD_PURPLE,
5770   EL_WALL_BD_DIAMOND,
5771
5772   EL_SPEED_PILL,
5773   EL_PACMAN_UP,
5774   EL_TIME_ORB_FULL,
5775   EL_TIME_ORB_EMPTY,
5776
5777   EL_PACMAN_LEFT,
5778   EL_DARK_YAMYAM,
5779   EL_PACMAN_RIGHT,
5780   EL_YAMYAM,                    // RND
5781
5782   EL_BLACK_ORB,
5783   EL_PACMAN_DOWN,
5784   EL_LAMP,
5785   EL_LAMP_ACTIVE,
5786
5787   EL_DYNABOMB_INCREASE_NUMBER,
5788   EL_DYNABOMB_INCREASE_SIZE,
5789   EL_DYNABOMB_INCREASE_POWER,
5790   EL_STONEBLOCK,
5791
5792   EL_MOLE,
5793   EL_PENGUIN,
5794   EL_PIG,
5795   EL_DRAGON,
5796
5797   EL_BUG,
5798   EL_MOLE_UP,
5799   EL_BD_BUTTERFLY,
5800   EL_BD_FIREFLY,
5801
5802   EL_MOLE_LEFT,
5803   EL_SATELLITE,
5804   EL_MOLE_RIGHT,
5805   EL_PACMAN,
5806
5807   EL_SPACESHIP,
5808   EL_MOLE_DOWN,
5809   EL_INVISIBLE_STEELWALL,
5810   EL_INVISIBLE_WALL,
5811
5812   EL_EXPANDABLE_WALL,
5813   EL_EXPANDABLE_WALL_HORIZONTAL,
5814   EL_EXPANDABLE_WALL_VERTICAL,
5815   EL_EXPANDABLE_WALL_ANY,
5816 };
5817 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5818 static int *editor_el_rnd_ptr = editor_el_rnd;
5819 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5820 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5821
5822 static int editor_hl_sokoban[] =
5823 {
5824   EL_INTERNAL_CASCADE_SB_ACTIVE,
5825   EL_CHAR('S'),
5826   EL_CHAR('B'),
5827   EL_EMPTY,
5828 };
5829
5830 static int editor_el_sokoban[] =
5831 {
5832   EL_SOKOBAN_OBJECT,
5833   EL_SOKOBAN_FIELD_EMPTY,
5834   EL_SOKOBAN_FIELD_FULL,
5835   EL_SOKOBAN_FIELD_PLAYER,
5836 };
5837 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5838 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5839 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5840 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5841
5842 static int editor_hl_supaplex[] =
5843 {
5844   EL_INTERNAL_CASCADE_SP_ACTIVE,
5845   EL_CHAR('S'),
5846   EL_CHAR('P'),
5847   EL_EMPTY,
5848 };
5849
5850 static int editor_el_supaplex[] =
5851 {
5852   EL_SP_MURPHY,
5853   EL_EMPTY,
5854   EL_SP_BASE,
5855   EL_SP_BUGGY_BASE,
5856
5857   EL_SP_INFOTRON,
5858   EL_SP_ZONK,
5859   EL_SP_SNIKSNAK,
5860   EL_SP_ELECTRON,
5861
5862   EL_SP_DISK_RED,
5863   EL_SP_DISK_ORANGE,
5864   EL_SP_DISK_YELLOW,
5865   EL_SP_TERMINAL,
5866
5867   EL_SP_EXIT_CLOSED,
5868   EL_SP_PORT_HORIZONTAL,
5869   EL_SP_PORT_VERTICAL,
5870   EL_SP_PORT_ANY,
5871
5872   EL_SP_PORT_LEFT,
5873   EL_SP_PORT_RIGHT,
5874   EL_SP_PORT_UP,
5875   EL_SP_PORT_DOWN,
5876
5877   EL_SP_GRAVITY_PORT_LEFT,
5878   EL_SP_GRAVITY_PORT_RIGHT,
5879   EL_SP_GRAVITY_PORT_UP,
5880   EL_SP_GRAVITY_PORT_DOWN,
5881
5882   EL_SP_GRAVITY_ON_PORT_LEFT,
5883   EL_SP_GRAVITY_ON_PORT_RIGHT,
5884   EL_SP_GRAVITY_ON_PORT_UP,
5885   EL_SP_GRAVITY_ON_PORT_DOWN,
5886
5887   EL_SP_GRAVITY_OFF_PORT_LEFT,
5888   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5889   EL_SP_GRAVITY_OFF_PORT_UP,
5890   EL_SP_GRAVITY_OFF_PORT_DOWN,
5891
5892   EL_SP_HARDWARE_GRAY,
5893   EL_SP_HARDWARE_GREEN,
5894   EL_SP_HARDWARE_BLUE,
5895   EL_SP_HARDWARE_RED,
5896
5897   EL_SP_HARDWARE_BASE_1,
5898   EL_SP_HARDWARE_BASE_2,
5899   EL_SP_HARDWARE_BASE_3,
5900   EL_SP_HARDWARE_BASE_4,
5901
5902   EL_SP_HARDWARE_BASE_5,
5903   EL_SP_HARDWARE_BASE_6,
5904   EL_SP_HARDWARE_YELLOW,
5905   EL_SP_CHIP_TOP,
5906
5907   EL_SP_CHIP_SINGLE,
5908   EL_SP_CHIP_LEFT,
5909   EL_SP_CHIP_RIGHT,
5910   EL_SP_CHIP_BOTTOM,
5911 };
5912 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5913 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5914 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5915 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5916
5917 static int editor_hl_diamond_caves[] =
5918 {
5919   EL_INTERNAL_CASCADE_DC_ACTIVE,
5920   EL_CHAR('D'),
5921   EL_CHAR('C'),
5922   EL_CHAR('2'),
5923 };
5924
5925 static int editor_el_diamond_caves[] =
5926 {
5927   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5928   EL_EM_STEEL_EXIT_OPEN,        // DC2
5929   EL_WALL_EMERALD,              // DC2
5930   EL_WALL_DIAMOND,              // DC2
5931
5932   EL_PEARL,
5933   EL_CRYSTAL,
5934   EL_WALL_PEARL,
5935   EL_WALL_CRYSTAL,
5936
5937   EL_CONVEYOR_BELT_1_LEFT,
5938   EL_CONVEYOR_BELT_1_MIDDLE,
5939   EL_CONVEYOR_BELT_1_RIGHT,
5940   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5941
5942   EL_CONVEYOR_BELT_2_LEFT,
5943   EL_CONVEYOR_BELT_2_MIDDLE,
5944   EL_CONVEYOR_BELT_2_RIGHT,
5945   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5946
5947   EL_CONVEYOR_BELT_3_LEFT,
5948   EL_CONVEYOR_BELT_3_MIDDLE,
5949   EL_CONVEYOR_BELT_3_RIGHT,
5950   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5951
5952   EL_CONVEYOR_BELT_4_LEFT,
5953   EL_CONVEYOR_BELT_4_MIDDLE,
5954   EL_CONVEYOR_BELT_4_RIGHT,
5955   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5956
5957   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5958   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5959   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5960   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5961
5962   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5963   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5964   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5965   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5966
5967   EL_TIMEGATE_CLOSED,
5968   EL_TIMEGATE_OPEN,
5969   EL_TIMEGATE_SWITCH,
5970   EL_DC_TIMEGATE_SWITCH,
5971
5972   EL_SWITCHGATE_CLOSED,
5973   EL_SWITCHGATE_OPEN,
5974   EL_SWITCHGATE_SWITCH_UP,
5975   EL_SWITCHGATE_SWITCH_DOWN,
5976
5977   EL_LIGHT_SWITCH,
5978   EL_LIGHT_SWITCH_ACTIVE,
5979   EL_DC_SWITCHGATE_SWITCH_UP,
5980   EL_DC_SWITCHGATE_SWITCH_DOWN,
5981
5982   EL_STEEL_EXIT_CLOSED,
5983   EL_STEEL_EXIT_OPEN,
5984   EL_STEELWALL_SLIPPERY,
5985   EL_INVISIBLE_SAND,
5986
5987   EL_QUICKSAND_FAST_EMPTY,
5988   EL_QUICKSAND_FAST_FULL,
5989   EL_LANDMINE,
5990   EL_DC_LANDMINE,
5991
5992   EL_SHIELD_NORMAL,
5993   EL_SHIELD_DEADLY,
5994   EL_EXTRA_TIME,
5995   EL_DC_MAGIC_WALL,
5996
5997   EL_ENVELOPE_1,
5998   EL_ENVELOPE_2,
5999   EL_ENVELOPE_3,
6000   EL_ENVELOPE_4,
6001
6002   EL_SIGN_RADIOACTIVITY,
6003   EL_SIGN_WHEELCHAIR,
6004   EL_SIGN_PARKING,
6005   EL_SIGN_NO_ENTRY,
6006
6007   EL_SIGN_GIVE_WAY,
6008   EL_SIGN_ENTRY_FORBIDDEN,
6009   EL_SIGN_EMERGENCY_EXIT,
6010   EL_SIGN_YIN_YANG,
6011
6012 #if 0
6013   EL_SIGN_SPERMS,
6014   EL_SIGN_BULLET,
6015   EL_SIGN_HEART,
6016   EL_SIGN_CROSS,
6017
6018   EL_SIGN_FRANKIE,
6019   EL_EMPTY,
6020   EL_EMPTY,
6021   EL_EMPTY,
6022
6023   EL_SPERMS,
6024   EL_BULLET,
6025   EL_HEART,
6026   EL_CROSS,
6027
6028   EL_FRANKIE,
6029   EL_EMPTY,
6030   EL_EMPTY,
6031   EL_EMPTY,
6032 #endif
6033
6034   EL_DC_STEELWALL_2_SINGLE,
6035   EL_DC_STEELWALL_2_TOP,
6036   EL_SIGN_EXCLAMATION,
6037   EL_SIGN_STOP,
6038
6039   EL_DC_STEELWALL_2_LEFT,
6040   EL_DC_STEELWALL_2_MIDDLE,
6041   EL_DC_STEELWALL_2_HORIZONTAL,
6042   EL_DC_STEELWALL_2_RIGHT,
6043
6044   EL_DC_STEELWALL_1_TOPLEFT,
6045   EL_DC_STEELWALL_2_VERTICAL,
6046   EL_DC_STEELWALL_1_TOPRIGHT,
6047   EL_DC_GATE_WHITE,
6048
6049   EL_DC_STEELWALL_1_VERTICAL,
6050   EL_DC_STEELWALL_2_BOTTOM,
6051   EL_DC_KEY_WHITE,
6052   EL_DC_GATE_WHITE_GRAY,
6053
6054   EL_DC_STEELWALL_1_BOTTOMLEFT,
6055   EL_DC_STEELWALL_1_HORIZONTAL,
6056   EL_DC_STEELWALL_1_BOTTOMRIGHT,
6057   EL_DC_GATE_FAKE_GRAY,
6058
6059   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
6060   EL_DC_STEELWALL_1_BOTTOM,
6061   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
6062   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
6063
6064   EL_DC_STEELWALL_1_RIGHT,
6065   EL_EMPTY,
6066   EL_DC_STEELWALL_1_LEFT,
6067   EL_EXPANDABLE_STEELWALL_VERTICAL,
6068
6069   EL_DC_STEELWALL_1_TOPRIGHT_2,
6070   EL_DC_STEELWALL_1_TOP,
6071   EL_DC_STEELWALL_1_TOPLEFT_2,
6072   EL_EXPANDABLE_STEELWALL_ANY,
6073 };
6074 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
6075 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
6076 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
6077 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
6078
6079 static int editor_hl_dx_boulderdash[] =
6080 {
6081   EL_INTERNAL_CASCADE_DX_ACTIVE,
6082   EL_CHAR('D'),
6083   EL_CHAR('X'),
6084   EL_EMPTY,
6085 };
6086
6087 static int editor_el_dx_boulderdash[] =
6088 {
6089   EL_EMPTY,
6090   EL_TUBE_RIGHT_DOWN,
6091   EL_TUBE_HORIZONTAL_DOWN,
6092   EL_TUBE_LEFT_DOWN,
6093
6094   EL_TUBE_HORIZONTAL,
6095   EL_TUBE_VERTICAL_RIGHT,
6096   EL_TUBE_ANY,
6097   EL_TUBE_VERTICAL_LEFT,
6098
6099   EL_TUBE_VERTICAL,
6100   EL_TUBE_RIGHT_UP,
6101   EL_TUBE_HORIZONTAL_UP,
6102   EL_TUBE_LEFT_UP,
6103
6104   EL_TRAP,
6105   EL_DX_SUPABOMB,
6106   EL_EMPTY,
6107   EL_EMPTY
6108 };
6109 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
6110 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
6111 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
6112 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
6113
6114 static int editor_hl_mirror_magic[] =
6115 {
6116   EL_INTERNAL_CASCADE_MM_ACTIVE,
6117   EL_CHAR('M'),
6118   EL_CHAR('M'),
6119   EL_EMPTY,
6120 };
6121
6122 static int editor_el_mirror_magic[] =
6123 {
6124   EL_MM_MCDUFFIN_RIGHT,
6125   EL_MM_MCDUFFIN_UP,
6126   EL_MM_MCDUFFIN_LEFT,
6127   EL_MM_MCDUFFIN_DOWN,
6128
6129   EL_MM_MIRROR_START,
6130   EL_MM_MIRROR_FIXED_START,
6131   EL_MM_POLARIZER_START,
6132   EL_MM_POLARIZER_CROSS_START,
6133
6134   EL_MM_TELEPORTER_RED_START,
6135   EL_MM_TELEPORTER_YELLOW_START,
6136   EL_MM_TELEPORTER_GREEN_START,
6137   EL_MM_TELEPORTER_BLUE_START,
6138
6139   EL_MM_PRISM,
6140   EL_MM_FUSE_ACTIVE,
6141   EL_MM_PACMAN_RIGHT,
6142   EL_MM_EXIT_CLOSED,
6143
6144   EL_MM_KETTLE,
6145   EL_MM_BOMB,
6146   EL_MM_KEY,
6147   EL_MM_FUEL_FULL,
6148
6149   EL_MM_LIGHTBULB,
6150   EL_MM_LIGHTBULB_ACTIVE,
6151   EL_MM_GRAY_BALL,
6152   EL_MM_LIGHTBALL,
6153
6154   EL_MM_STEEL_WALL,
6155   EL_MM_WOODEN_WALL,
6156   EL_MM_ICE_WALL,
6157   EL_MM_AMOEBA_WALL,
6158
6159   EL_MM_STEEL_LOCK,
6160   EL_MM_WOODEN_LOCK,
6161   EL_MM_STEEL_BLOCK,
6162   EL_MM_WOODEN_BLOCK,
6163
6164   EL_MM_STEEL_GRID_FIXED_1,
6165   EL_MM_STEEL_GRID_FIXED_2,
6166   EL_MM_STEEL_GRID_FIXED_3,
6167   EL_MM_STEEL_GRID_FIXED_4,
6168
6169   EL_MM_WOODEN_GRID_FIXED_1,
6170   EL_MM_WOODEN_GRID_FIXED_2,
6171   EL_MM_WOODEN_GRID_FIXED_3,
6172   EL_MM_WOODEN_GRID_FIXED_4,
6173
6174   EL_MM_ENVELOPE_1,
6175   EL_MM_ENVELOPE_2,
6176   EL_MM_ENVELOPE_3,
6177   EL_MM_ENVELOPE_4
6178 };
6179 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
6180 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
6181 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
6182 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
6183
6184 static int editor_hl_deflektor[] =
6185 {
6186   EL_INTERNAL_CASCADE_DF_ACTIVE,
6187   EL_CHAR('D'),
6188   EL_CHAR('F'),
6189   EL_EMPTY,
6190 };
6191
6192 static int editor_el_deflektor[] =
6193 {
6194   EL_DF_LASER_RIGHT,
6195   EL_DF_LASER_UP,
6196   EL_DF_LASER_LEFT,
6197   EL_DF_LASER_DOWN,
6198
6199   EL_DF_RECEIVER_RIGHT,
6200   EL_DF_RECEIVER_UP,
6201   EL_DF_RECEIVER_LEFT,
6202   EL_DF_RECEIVER_DOWN,
6203
6204   EL_DF_MIRROR_START,
6205   EL_DF_MIRROR_ROTATING_START,
6206   EL_DF_MIRROR_FIXED_START,
6207   EL_DF_CELL,
6208
6209   EL_DF_FIBRE_OPTIC_RED_1,
6210   EL_DF_FIBRE_OPTIC_YELLOW_1,
6211   EL_DF_FIBRE_OPTIC_GREEN_1,
6212   EL_DF_FIBRE_OPTIC_BLUE_1,
6213
6214   EL_DF_STEEL_GRID_FIXED_START,
6215   EL_DF_STEEL_GRID_ROTATING_START,
6216   EL_DF_WOODEN_GRID_FIXED_START,
6217   EL_DF_WOODEN_GRID_ROTATING_START,
6218
6219   EL_DF_STEEL_WALL,
6220   EL_DF_WOODEN_WALL,
6221   EL_DF_REFRACTOR,
6222   EL_DF_MINE,
6223
6224   EL_DF_SLOPE_1,
6225   EL_DF_SLOPE_2,
6226   EL_DF_SLOPE_3,
6227   EL_DF_SLOPE_4
6228 };
6229 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
6230 static int *editor_el_deflektor_ptr = editor_el_deflektor;
6231 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
6232 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
6233
6234 static int editor_hl_chars[] =
6235 {
6236   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
6237   EL_CHAR('T'),
6238   EL_CHAR('X'),
6239   EL_CHAR('T'),
6240 };
6241
6242 static int editor_el_chars[] =
6243 {
6244   EL_CHAR(' '),
6245   EL_CHAR('!'),
6246   EL_CHAR('"'),
6247   EL_CHAR('#'),
6248
6249   EL_CHAR('$'),
6250   EL_CHAR('%'),
6251   EL_CHAR('&'),
6252   EL_CHAR('\''),
6253
6254   EL_CHAR('('),
6255   EL_CHAR(')'),
6256   EL_CHAR('*'),
6257   EL_CHAR('+'),
6258
6259   EL_CHAR(','),
6260   EL_CHAR('-'),
6261   EL_CHAR('.'),
6262   EL_CHAR('/'),
6263
6264   EL_CHAR('0'),
6265   EL_CHAR('1'),
6266   EL_CHAR('2'),
6267   EL_CHAR('3'),
6268
6269   EL_CHAR('4'),
6270   EL_CHAR('5'),
6271   EL_CHAR('6'),
6272   EL_CHAR('7'),
6273
6274   EL_CHAR('8'),
6275   EL_CHAR('9'),
6276   EL_CHAR(':'),
6277   EL_CHAR(';'),
6278
6279   EL_CHAR('<'),
6280   EL_CHAR('='),
6281   EL_CHAR('>'),
6282   EL_CHAR('?'),
6283
6284   EL_CHAR('@'),
6285   EL_CHAR('A'),
6286   EL_CHAR('B'),
6287   EL_CHAR('C'),
6288
6289   EL_CHAR('D'),
6290   EL_CHAR('E'),
6291   EL_CHAR('F'),
6292   EL_CHAR('G'),
6293
6294   EL_CHAR('H'),
6295   EL_CHAR('I'),
6296   EL_CHAR('J'),
6297   EL_CHAR('K'),
6298
6299   EL_CHAR('L'),
6300   EL_CHAR('M'),
6301   EL_CHAR('N'),
6302   EL_CHAR('O'),
6303
6304   EL_CHAR('P'),
6305   EL_CHAR('Q'),
6306   EL_CHAR('R'),
6307   EL_CHAR('S'),
6308
6309   EL_CHAR('T'),
6310   EL_CHAR('U'),
6311   EL_CHAR('V'),
6312   EL_CHAR('W'),
6313
6314   EL_CHAR('X'),
6315   EL_CHAR('Y'),
6316   EL_CHAR('Z'),
6317   EL_CHAR('['),
6318
6319   EL_CHAR('\\'),
6320   EL_CHAR(']'),
6321   EL_CHAR('^'),
6322   EL_CHAR('_'),
6323
6324   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6325   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6326   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6327   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6328
6329   EL_CHAR(CHAR_BYTE_DEGREE),
6330   EL_CHAR(CHAR_BYTE_REGISTERED),
6331   EL_CHAR(FONT_ASCII_CURSOR),
6332   EL_CHAR(FONT_ASCII_BUTTON),
6333
6334   EL_CHAR(FONT_ASCII_UP),
6335   EL_CHAR(FONT_ASCII_DOWN),
6336   EL_CHAR(' '),
6337   EL_CHAR(' ')
6338 };
6339 static int *editor_hl_chars_ptr = editor_hl_chars;
6340 static int *editor_el_chars_ptr = editor_el_chars;
6341 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6342 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6343
6344 static int editor_hl_steel_chars[] =
6345 {
6346   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6347   EL_STEEL_CHAR('T'),
6348   EL_STEEL_CHAR('X'),
6349   EL_STEEL_CHAR('T'),
6350 };
6351
6352 static int editor_el_steel_chars[] =
6353 {
6354   EL_STEEL_CHAR(' '),
6355   EL_STEEL_CHAR('!'),
6356   EL_STEEL_CHAR('"'),
6357   EL_STEEL_CHAR('#'),
6358
6359   EL_STEEL_CHAR('$'),
6360   EL_STEEL_CHAR('%'),
6361   EL_STEEL_CHAR('&'),
6362   EL_STEEL_CHAR('\''),
6363
6364   EL_STEEL_CHAR('('),
6365   EL_STEEL_CHAR(')'),
6366   EL_STEEL_CHAR('*'),
6367   EL_STEEL_CHAR('+'),
6368
6369   EL_STEEL_CHAR(','),
6370   EL_STEEL_CHAR('-'),
6371   EL_STEEL_CHAR('.'),
6372   EL_STEEL_CHAR('/'),
6373
6374   EL_STEEL_CHAR('0'),
6375   EL_STEEL_CHAR('1'),
6376   EL_STEEL_CHAR('2'),
6377   EL_STEEL_CHAR('3'),
6378
6379   EL_STEEL_CHAR('4'),
6380   EL_STEEL_CHAR('5'),
6381   EL_STEEL_CHAR('6'),
6382   EL_STEEL_CHAR('7'),
6383
6384   EL_STEEL_CHAR('8'),
6385   EL_STEEL_CHAR('9'),
6386   EL_STEEL_CHAR(':'),
6387   EL_STEEL_CHAR(';'),
6388
6389   EL_STEEL_CHAR('<'),
6390   EL_STEEL_CHAR('='),
6391   EL_STEEL_CHAR('>'),
6392   EL_STEEL_CHAR('?'),
6393
6394   EL_STEEL_CHAR('@'),
6395   EL_STEEL_CHAR('A'),
6396   EL_STEEL_CHAR('B'),
6397   EL_STEEL_CHAR('C'),
6398
6399   EL_STEEL_CHAR('D'),
6400   EL_STEEL_CHAR('E'),
6401   EL_STEEL_CHAR('F'),
6402   EL_STEEL_CHAR('G'),
6403
6404   EL_STEEL_CHAR('H'),
6405   EL_STEEL_CHAR('I'),
6406   EL_STEEL_CHAR('J'),
6407   EL_STEEL_CHAR('K'),
6408
6409   EL_STEEL_CHAR('L'),
6410   EL_STEEL_CHAR('M'),
6411   EL_STEEL_CHAR('N'),
6412   EL_STEEL_CHAR('O'),
6413
6414   EL_STEEL_CHAR('P'),
6415   EL_STEEL_CHAR('Q'),
6416   EL_STEEL_CHAR('R'),
6417   EL_STEEL_CHAR('S'),
6418
6419   EL_STEEL_CHAR('T'),
6420   EL_STEEL_CHAR('U'),
6421   EL_STEEL_CHAR('V'),
6422   EL_STEEL_CHAR('W'),
6423
6424   EL_STEEL_CHAR('X'),
6425   EL_STEEL_CHAR('Y'),
6426   EL_STEEL_CHAR('Z'),
6427   EL_STEEL_CHAR('['),
6428
6429   EL_STEEL_CHAR('\\'),
6430   EL_STEEL_CHAR(']'),
6431   EL_STEEL_CHAR('^'),
6432   EL_STEEL_CHAR('_'),
6433
6434   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6435   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6436   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6437   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6438
6439   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6440   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6441   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6442   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6443
6444   EL_STEEL_CHAR(FONT_ASCII_UP),
6445   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6446   EL_STEEL_CHAR(' '),
6447   EL_STEEL_CHAR(' ')
6448 };
6449 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6450 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6451 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6452 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6453
6454 static int editor_hl_custom[] =
6455 {
6456   EL_INTERNAL_CASCADE_CE_ACTIVE,
6457   EL_CHAR('C'),
6458   EL_CHAR('E'),
6459   EL_EMPTY,
6460 };
6461
6462 static int editor_el_custom[] =
6463 {
6464   EL_CUSTOM_START + 0,
6465   EL_CUSTOM_START + 1,
6466   EL_CUSTOM_START + 2,
6467   EL_CUSTOM_START + 3,
6468
6469   EL_CUSTOM_START + 4,
6470   EL_CUSTOM_START + 5,
6471   EL_CUSTOM_START + 6,
6472   EL_CUSTOM_START + 7,
6473
6474   EL_CUSTOM_START + 8,
6475   EL_CUSTOM_START + 9,
6476   EL_CUSTOM_START + 10,
6477   EL_CUSTOM_START + 11,
6478
6479   EL_CUSTOM_START + 12,
6480   EL_CUSTOM_START + 13,
6481   EL_CUSTOM_START + 14,
6482   EL_CUSTOM_START + 15,
6483
6484   EL_CUSTOM_START + 16,
6485   EL_CUSTOM_START + 17,
6486   EL_CUSTOM_START + 18,
6487   EL_CUSTOM_START + 19,
6488
6489   EL_CUSTOM_START + 20,
6490   EL_CUSTOM_START + 21,
6491   EL_CUSTOM_START + 22,
6492   EL_CUSTOM_START + 23,
6493
6494   EL_CUSTOM_START + 24,
6495   EL_CUSTOM_START + 25,
6496   EL_CUSTOM_START + 26,
6497   EL_CUSTOM_START + 27,
6498
6499   EL_CUSTOM_START + 28,
6500   EL_CUSTOM_START + 29,
6501   EL_CUSTOM_START + 30,
6502   EL_CUSTOM_START + 31,
6503
6504   EL_CUSTOM_START + 32,
6505   EL_CUSTOM_START + 33,
6506   EL_CUSTOM_START + 34,
6507   EL_CUSTOM_START + 35,
6508
6509   EL_CUSTOM_START + 36,
6510   EL_CUSTOM_START + 37,
6511   EL_CUSTOM_START + 38,
6512   EL_CUSTOM_START + 39,
6513
6514   EL_CUSTOM_START + 40,
6515   EL_CUSTOM_START + 41,
6516   EL_CUSTOM_START + 42,
6517   EL_CUSTOM_START + 43,
6518
6519   EL_CUSTOM_START + 44,
6520   EL_CUSTOM_START + 45,
6521   EL_CUSTOM_START + 46,
6522   EL_CUSTOM_START + 47,
6523
6524   EL_CUSTOM_START + 48,
6525   EL_CUSTOM_START + 49,
6526   EL_CUSTOM_START + 50,
6527   EL_CUSTOM_START + 51,
6528
6529   EL_CUSTOM_START + 52,
6530   EL_CUSTOM_START + 53,
6531   EL_CUSTOM_START + 54,
6532   EL_CUSTOM_START + 55,
6533
6534   EL_CUSTOM_START + 56,
6535   EL_CUSTOM_START + 57,
6536   EL_CUSTOM_START + 58,
6537   EL_CUSTOM_START + 59,
6538
6539   EL_CUSTOM_START + 60,
6540   EL_CUSTOM_START + 61,
6541   EL_CUSTOM_START + 62,
6542   EL_CUSTOM_START + 63,
6543
6544   EL_CUSTOM_START + 64,
6545   EL_CUSTOM_START + 65,
6546   EL_CUSTOM_START + 66,
6547   EL_CUSTOM_START + 67,
6548
6549   EL_CUSTOM_START + 68,
6550   EL_CUSTOM_START + 69,
6551   EL_CUSTOM_START + 70,
6552   EL_CUSTOM_START + 71,
6553
6554   EL_CUSTOM_START + 72,
6555   EL_CUSTOM_START + 73,
6556   EL_CUSTOM_START + 74,
6557   EL_CUSTOM_START + 75,
6558
6559   EL_CUSTOM_START + 76,
6560   EL_CUSTOM_START + 77,
6561   EL_CUSTOM_START + 78,
6562   EL_CUSTOM_START + 79,
6563
6564   EL_CUSTOM_START + 80,
6565   EL_CUSTOM_START + 81,
6566   EL_CUSTOM_START + 82,
6567   EL_CUSTOM_START + 83,
6568
6569   EL_CUSTOM_START + 84,
6570   EL_CUSTOM_START + 85,
6571   EL_CUSTOM_START + 86,
6572   EL_CUSTOM_START + 87,
6573
6574   EL_CUSTOM_START + 88,
6575   EL_CUSTOM_START + 89,
6576   EL_CUSTOM_START + 90,
6577   EL_CUSTOM_START + 91,
6578
6579   EL_CUSTOM_START + 92,
6580   EL_CUSTOM_START + 93,
6581   EL_CUSTOM_START + 94,
6582   EL_CUSTOM_START + 95,
6583
6584   EL_CUSTOM_START + 96,
6585   EL_CUSTOM_START + 97,
6586   EL_CUSTOM_START + 98,
6587   EL_CUSTOM_START + 99,
6588
6589   EL_CUSTOM_START + 100,
6590   EL_CUSTOM_START + 101,
6591   EL_CUSTOM_START + 102,
6592   EL_CUSTOM_START + 103,
6593
6594   EL_CUSTOM_START + 104,
6595   EL_CUSTOM_START + 105,
6596   EL_CUSTOM_START + 106,
6597   EL_CUSTOM_START + 107,
6598
6599   EL_CUSTOM_START + 108,
6600   EL_CUSTOM_START + 109,
6601   EL_CUSTOM_START + 110,
6602   EL_CUSTOM_START + 111,
6603
6604   EL_CUSTOM_START + 112,
6605   EL_CUSTOM_START + 113,
6606   EL_CUSTOM_START + 114,
6607   EL_CUSTOM_START + 115,
6608
6609   EL_CUSTOM_START + 116,
6610   EL_CUSTOM_START + 117,
6611   EL_CUSTOM_START + 118,
6612   EL_CUSTOM_START + 119,
6613
6614   EL_CUSTOM_START + 120,
6615   EL_CUSTOM_START + 121,
6616   EL_CUSTOM_START + 122,
6617   EL_CUSTOM_START + 123,
6618
6619   EL_CUSTOM_START + 124,
6620   EL_CUSTOM_START + 125,
6621   EL_CUSTOM_START + 126,
6622   EL_CUSTOM_START + 127,
6623
6624   EL_CUSTOM_START + 128,
6625   EL_CUSTOM_START + 129,
6626   EL_CUSTOM_START + 130,
6627   EL_CUSTOM_START + 131,
6628
6629   EL_CUSTOM_START + 132,
6630   EL_CUSTOM_START + 133,
6631   EL_CUSTOM_START + 134,
6632   EL_CUSTOM_START + 135,
6633
6634   EL_CUSTOM_START + 136,
6635   EL_CUSTOM_START + 137,
6636   EL_CUSTOM_START + 138,
6637   EL_CUSTOM_START + 139,
6638
6639   EL_CUSTOM_START + 140,
6640   EL_CUSTOM_START + 141,
6641   EL_CUSTOM_START + 142,
6642   EL_CUSTOM_START + 143,
6643
6644   EL_CUSTOM_START + 144,
6645   EL_CUSTOM_START + 145,
6646   EL_CUSTOM_START + 146,
6647   EL_CUSTOM_START + 147,
6648
6649   EL_CUSTOM_START + 148,
6650   EL_CUSTOM_START + 149,
6651   EL_CUSTOM_START + 150,
6652   EL_CUSTOM_START + 151,
6653
6654   EL_CUSTOM_START + 152,
6655   EL_CUSTOM_START + 153,
6656   EL_CUSTOM_START + 154,
6657   EL_CUSTOM_START + 155,
6658
6659   EL_CUSTOM_START + 156,
6660   EL_CUSTOM_START + 157,
6661   EL_CUSTOM_START + 158,
6662   EL_CUSTOM_START + 159,
6663
6664   EL_CUSTOM_START + 160,
6665   EL_CUSTOM_START + 161,
6666   EL_CUSTOM_START + 162,
6667   EL_CUSTOM_START + 163,
6668
6669   EL_CUSTOM_START + 164,
6670   EL_CUSTOM_START + 165,
6671   EL_CUSTOM_START + 166,
6672   EL_CUSTOM_START + 167,
6673
6674   EL_CUSTOM_START + 168,
6675   EL_CUSTOM_START + 169,
6676   EL_CUSTOM_START + 170,
6677   EL_CUSTOM_START + 171,
6678
6679   EL_CUSTOM_START + 172,
6680   EL_CUSTOM_START + 173,
6681   EL_CUSTOM_START + 174,
6682   EL_CUSTOM_START + 175,
6683
6684   EL_CUSTOM_START + 176,
6685   EL_CUSTOM_START + 177,
6686   EL_CUSTOM_START + 178,
6687   EL_CUSTOM_START + 179,
6688
6689   EL_CUSTOM_START + 180,
6690   EL_CUSTOM_START + 181,
6691   EL_CUSTOM_START + 182,
6692   EL_CUSTOM_START + 183,
6693
6694   EL_CUSTOM_START + 184,
6695   EL_CUSTOM_START + 185,
6696   EL_CUSTOM_START + 186,
6697   EL_CUSTOM_START + 187,
6698
6699   EL_CUSTOM_START + 188,
6700   EL_CUSTOM_START + 189,
6701   EL_CUSTOM_START + 190,
6702   EL_CUSTOM_START + 191,
6703
6704   EL_CUSTOM_START + 192,
6705   EL_CUSTOM_START + 193,
6706   EL_CUSTOM_START + 194,
6707   EL_CUSTOM_START + 195,
6708
6709   EL_CUSTOM_START + 196,
6710   EL_CUSTOM_START + 197,
6711   EL_CUSTOM_START + 198,
6712   EL_CUSTOM_START + 199,
6713
6714   EL_CUSTOM_START + 200,
6715   EL_CUSTOM_START + 201,
6716   EL_CUSTOM_START + 202,
6717   EL_CUSTOM_START + 203,
6718
6719   EL_CUSTOM_START + 204,
6720   EL_CUSTOM_START + 205,
6721   EL_CUSTOM_START + 206,
6722   EL_CUSTOM_START + 207,
6723
6724   EL_CUSTOM_START + 208,
6725   EL_CUSTOM_START + 209,
6726   EL_CUSTOM_START + 210,
6727   EL_CUSTOM_START + 211,
6728
6729   EL_CUSTOM_START + 212,
6730   EL_CUSTOM_START + 213,
6731   EL_CUSTOM_START + 214,
6732   EL_CUSTOM_START + 215,
6733
6734   EL_CUSTOM_START + 216,
6735   EL_CUSTOM_START + 217,
6736   EL_CUSTOM_START + 218,
6737   EL_CUSTOM_START + 219,
6738
6739   EL_CUSTOM_START + 220,
6740   EL_CUSTOM_START + 221,
6741   EL_CUSTOM_START + 222,
6742   EL_CUSTOM_START + 223,
6743
6744   EL_CUSTOM_START + 224,
6745   EL_CUSTOM_START + 225,
6746   EL_CUSTOM_START + 226,
6747   EL_CUSTOM_START + 227,
6748
6749   EL_CUSTOM_START + 228,
6750   EL_CUSTOM_START + 229,
6751   EL_CUSTOM_START + 230,
6752   EL_CUSTOM_START + 231,
6753
6754   EL_CUSTOM_START + 232,
6755   EL_CUSTOM_START + 233,
6756   EL_CUSTOM_START + 234,
6757   EL_CUSTOM_START + 235,
6758
6759   EL_CUSTOM_START + 236,
6760   EL_CUSTOM_START + 237,
6761   EL_CUSTOM_START + 238,
6762   EL_CUSTOM_START + 239,
6763
6764   EL_CUSTOM_START + 240,
6765   EL_CUSTOM_START + 241,
6766   EL_CUSTOM_START + 242,
6767   EL_CUSTOM_START + 243,
6768
6769   EL_CUSTOM_START + 244,
6770   EL_CUSTOM_START + 245,
6771   EL_CUSTOM_START + 246,
6772   EL_CUSTOM_START + 247,
6773
6774   EL_CUSTOM_START + 248,
6775   EL_CUSTOM_START + 249,
6776   EL_CUSTOM_START + 250,
6777   EL_CUSTOM_START + 251,
6778
6779   EL_CUSTOM_START + 252,
6780   EL_CUSTOM_START + 253,
6781   EL_CUSTOM_START + 254,
6782   EL_CUSTOM_START + 255
6783 };
6784 static int *editor_hl_custom_ptr = editor_hl_custom;
6785 static int *editor_el_custom_ptr = editor_el_custom;
6786 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6787 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6788
6789 static int editor_hl_group[] =
6790 {
6791   EL_INTERNAL_CASCADE_GE_ACTIVE,
6792   EL_CHAR('G'),
6793   EL_CHAR('E'),
6794   EL_EMPTY,
6795 };
6796
6797 static int editor_el_group[] =
6798 {
6799   EL_GROUP_START + 0,
6800   EL_GROUP_START + 1,
6801   EL_GROUP_START + 2,
6802   EL_GROUP_START + 3,
6803
6804   EL_GROUP_START + 4,
6805   EL_GROUP_START + 5,
6806   EL_GROUP_START + 6,
6807   EL_GROUP_START + 7,
6808
6809   EL_GROUP_START + 8,
6810   EL_GROUP_START + 9,
6811   EL_GROUP_START + 10,
6812   EL_GROUP_START + 11,
6813
6814   EL_GROUP_START + 12,
6815   EL_GROUP_START + 13,
6816   EL_GROUP_START + 14,
6817   EL_GROUP_START + 15,
6818
6819   EL_GROUP_START + 16,
6820   EL_GROUP_START + 17,
6821   EL_GROUP_START + 18,
6822   EL_GROUP_START + 19,
6823
6824   EL_GROUP_START + 20,
6825   EL_GROUP_START + 21,
6826   EL_GROUP_START + 22,
6827   EL_GROUP_START + 23,
6828
6829   EL_GROUP_START + 24,
6830   EL_GROUP_START + 25,
6831   EL_GROUP_START + 26,
6832   EL_GROUP_START + 27,
6833
6834   EL_GROUP_START + 28,
6835   EL_GROUP_START + 29,
6836   EL_GROUP_START + 30,
6837   EL_GROUP_START + 31
6838 };
6839 static int *editor_hl_group_ptr = editor_hl_group;
6840 static int *editor_el_group_ptr = editor_el_group;
6841 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6842 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6843
6844 static int editor_hl_empty_space[] =
6845 {
6846   EL_INTERNAL_CASCADE_ES_ACTIVE,
6847   EL_CHAR('E'),
6848   EL_CHAR('S'),
6849   EL_EMPTY,
6850 };
6851
6852 static int editor_el_empty_space[] =
6853 {
6854   EL_EMPTY_SPACE_1,
6855   EL_EMPTY_SPACE_2,
6856   EL_EMPTY_SPACE_3,
6857   EL_EMPTY_SPACE_4,
6858
6859   EL_EMPTY_SPACE_5,
6860   EL_EMPTY_SPACE_6,
6861   EL_EMPTY_SPACE_7,
6862   EL_EMPTY_SPACE_8,
6863
6864   EL_EMPTY_SPACE_9,
6865   EL_EMPTY_SPACE_10,
6866   EL_EMPTY_SPACE_11,
6867   EL_EMPTY_SPACE_12,
6868
6869   EL_EMPTY_SPACE_13,
6870   EL_EMPTY_SPACE_14,
6871   EL_EMPTY_SPACE_15,
6872   EL_EMPTY_SPACE_16
6873 };
6874 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6875 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6876 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6877 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6878
6879 static int editor_hl_reference[] =
6880 {
6881   EL_INTERNAL_CASCADE_REF_ACTIVE,
6882   EL_CHAR('R'),
6883   EL_CHAR('E'),
6884   EL_CHAR('F')
6885 };
6886
6887 static int editor_el_reference[] =
6888 {
6889   EL_TRIGGER_PLAYER,
6890   EL_TRIGGER_ELEMENT,
6891   EL_TRIGGER_CE_VALUE,
6892   EL_TRIGGER_CE_SCORE,
6893
6894   EL_SELF,
6895   EL_ANY_ELEMENT,
6896   EL_CURRENT_CE_VALUE,
6897   EL_CURRENT_CE_SCORE,
6898
6899   EL_PREV_CE_8,
6900   EL_PREV_CE_7,
6901   EL_PREV_CE_6,
6902   EL_PREV_CE_5,
6903
6904   EL_PREV_CE_4,
6905   EL_PREV_CE_3,
6906   EL_PREV_CE_2,
6907   EL_PREV_CE_1,
6908
6909   EL_NEXT_CE_1,
6910   EL_NEXT_CE_2,
6911   EL_NEXT_CE_3,
6912   EL_NEXT_CE_4,
6913
6914   EL_NEXT_CE_5,
6915   EL_NEXT_CE_6,
6916   EL_NEXT_CE_7,
6917   EL_NEXT_CE_8,
6918 };
6919 static int *editor_hl_reference_ptr = editor_hl_reference;
6920 static int *editor_el_reference_ptr = editor_el_reference;
6921 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6922 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6923
6924 static int editor_hl_user_defined[] =
6925 {
6926   EL_INTERNAL_CASCADE_USER_ACTIVE,
6927   EL_CHAR('M'),
6928   EL_CHAR('Y'),
6929   EL_EMPTY,
6930 };
6931
6932 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6933 static int *editor_el_user_defined_ptr = NULL;
6934 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6935 static int num_editor_el_user_defined = 0;
6936
6937 static int editor_hl_dynamic[] =
6938 {
6939   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6940   EL_CHAR('U'),
6941   EL_CHAR('S'),
6942   EL_CHAR('E'),
6943 };
6944
6945 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6946 static int *editor_el_dynamic_ptr = NULL;
6947 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6948 static int num_editor_el_dynamic = 0;
6949
6950 static int editor_hl_empty[] = { EL_EMPTY };
6951 static int *editor_el_empty = NULL;     // dynamically allocated
6952
6953 static int *editor_hl_empty_ptr = editor_hl_empty;
6954 static int *editor_el_empty_ptr = NULL;
6955 static int num_editor_hl_empty = 0;
6956 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6957
6958 static boolean use_el_empty = FALSE;
6959
6960 static int *editor_elements = NULL;     // dynamically allocated
6961 static int num_editor_elements = 0;     // dynamically determined
6962
6963 static boolean setup_editor_cascade_never = FALSE;
6964
6965 static boolean setup_editor_el_players                  = TRUE;
6966 static boolean setup_editor_el_boulderdash              = TRUE;
6967 static boolean setup_editor_el_boulderdash_native       = TRUE;
6968 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6969 static boolean setup_editor_el_emerald_mine             = TRUE;
6970 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6971 static boolean setup_editor_el_more                     = TRUE;
6972 static boolean setup_editor_el_sokoban                  = TRUE;
6973 static boolean setup_editor_el_supaplex                 = TRUE;
6974 static boolean setup_editor_el_diamond_caves            = TRUE;
6975 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6976 static boolean setup_editor_el_mirror_magic             = TRUE;
6977 static boolean setup_editor_el_deflektor                = TRUE;
6978 static boolean setup_editor_el_chars                    = TRUE;
6979 static boolean setup_editor_el_steel_chars              = TRUE;
6980 static boolean setup_editor_el_custom                   = TRUE;
6981 static boolean setup_editor_el_user_defined             = TRUE;
6982 static boolean setup_editor_el_dynamic                  = TRUE;
6983
6984 static int editor_hl_unused[] = { EL_EMPTY };
6985 static int *editor_hl_unused_ptr = editor_hl_unused;
6986 static int num_editor_hl_unused = 0;
6987
6988 static struct
6989 {
6990   boolean *setup_value;
6991   boolean *setup_cascade_value;
6992
6993   int **headline_list;
6994   int *headline_list_size;
6995
6996   int **element_list;
6997   int *element_list_size;
6998
6999   boolean last_setup_value;
7000 }
7001 editor_elements_info[] =
7002 {
7003   {
7004     &setup_editor_el_players,
7005     &setup_editor_cascade_never,
7006     &editor_hl_unused_ptr,              &num_editor_hl_unused,
7007     &editor_el_players_ptr,             &num_editor_el_players
7008   },
7009   {
7010     &setup_editor_el_boulderdash,
7011     &setup.editor_cascade.el_bd,
7012     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
7013     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
7014   },
7015   {
7016     &setup_editor_el_boulderdash_native,
7017     &setup.editor_cascade.el_bd_native,
7018     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
7019     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
7020   },
7021   {
7022     &setup_editor_el_boulderdash_effects,
7023     &setup.editor_cascade.el_bd_effects,
7024     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
7025     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
7026   },
7027   {
7028     &setup_editor_el_emerald_mine,
7029     &setup.editor_cascade.el_em,
7030     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
7031     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
7032   },
7033   {
7034     &setup_editor_el_emerald_mine_club,
7035     &setup.editor_cascade.el_emc,
7036     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
7037     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
7038   },
7039   {
7040     &setup_editor_el_more,
7041     &setup.editor_cascade.el_rnd,
7042     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
7043     &editor_el_rnd_ptr,                 &num_editor_el_rnd
7044   },
7045   {
7046     &setup_editor_el_sokoban,
7047     &setup.editor_cascade.el_sb,
7048     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
7049     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
7050   },
7051   {
7052     &setup_editor_el_supaplex,
7053     &setup.editor_cascade.el_sp,
7054     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
7055     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
7056   },
7057   {
7058     &setup_editor_el_diamond_caves,
7059     &setup.editor_cascade.el_dc,
7060     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
7061     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
7062   },
7063   {
7064     &setup_editor_el_dx_boulderdash,
7065     &setup.editor_cascade.el_dx,
7066     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
7067     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
7068   },
7069   {
7070     &setup_editor_el_mirror_magic,
7071     &setup.editor_cascade.el_mm,
7072     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
7073     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
7074   },
7075   {
7076     &setup_editor_el_deflektor,
7077     &setup.editor_cascade.el_df,
7078     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
7079     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
7080   },
7081   {
7082     &setup_editor_el_chars,
7083     &setup.editor_cascade.el_chars,
7084     &editor_hl_chars_ptr,               &num_editor_hl_chars,
7085     &editor_el_chars_ptr,               &num_editor_el_chars
7086   },
7087   {
7088     &setup_editor_el_steel_chars,
7089     &setup.editor_cascade.el_steel_chars,
7090     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
7091     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
7092   },
7093   {
7094     &setup_editor_el_custom,
7095     &setup.editor_cascade.el_ce,
7096     &editor_hl_custom_ptr,              &num_editor_hl_custom,
7097     &editor_el_custom_ptr,              &num_editor_el_custom
7098   },
7099   {
7100     &setup_editor_el_custom,
7101     &setup.editor_cascade.el_ge,
7102     &editor_hl_group_ptr,               &num_editor_hl_group,
7103     &editor_el_group_ptr,               &num_editor_el_group
7104   },
7105   {
7106     &setup_editor_el_custom,
7107     &setup.editor_cascade.el_es,
7108     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
7109     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
7110   },
7111   {
7112     &setup_editor_el_custom,
7113     &setup.editor_cascade.el_ref,
7114     &editor_hl_reference_ptr,           &num_editor_hl_reference,
7115     &editor_el_reference_ptr,           &num_editor_el_reference
7116   },
7117   {
7118     &setup_editor_el_user_defined,
7119     &setup.editor_cascade.el_user,
7120     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
7121     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
7122   },
7123   {
7124     &setup_editor_el_dynamic,
7125     &setup.editor_cascade.el_dynamic,
7126     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
7127     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
7128   },
7129   {
7130     &use_el_empty,
7131     &use_el_empty,
7132     &editor_hl_empty_ptr,               &num_editor_hl_empty,
7133     &editor_el_empty_ptr,               &num_editor_el_empty,
7134   },
7135   {
7136     NULL,
7137     NULL,
7138     NULL,                               NULL,
7139     NULL,                               NULL
7140   }
7141 };
7142
7143 static struct XY xy_directions[] =
7144 {
7145   { -1,  0 },
7146   { +1,  0 },
7147   {  0, -1 },
7148   {  0, +1 }
7149 };
7150
7151
7152 // ----------------------------------------------------------------------------
7153 // functions
7154 // ----------------------------------------------------------------------------
7155
7156 static int getMaxInfoTextLength(void)
7157 {
7158   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
7159 }
7160
7161 static int getTextWidthForGadget(char *text)
7162 {
7163   if (text == NULL)
7164     return 0;
7165
7166   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
7167 }
7168
7169 static int getTextWidthForDrawingArea(char *text)
7170 {
7171   if (text == NULL)
7172     return 0;
7173
7174   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
7175 }
7176
7177 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
7178 {
7179   return (gi->x + gi->width + getTextWidthForGadget(text));
7180 }
7181
7182 static char *getElementInfoText(int element)
7183 {
7184   char *info_text = NULL;
7185
7186   if (element < MAX_NUM_ELEMENTS)
7187   {
7188     if (strlen(element_info[element].description) > 0)
7189       info_text = element_info[element].description;
7190     else if (element_info[element].custom_description != NULL)
7191       info_text = element_info[element].custom_description;
7192     else if (element_info[element].editor_description != NULL)
7193       info_text = element_info[element].editor_description;
7194   }
7195
7196   if (info_text == NULL)
7197     info_text = INFOTEXT_UNKNOWN_ELEMENT;
7198
7199   return info_text;
7200 }
7201
7202 static char *getElementDescriptionFilenameExt(char *basename)
7203 {
7204   char *elements_subdir = ELEMENTS_DIRECTORY;
7205   static char *elements_subdir2 = NULL;
7206   static char *filename = NULL;
7207
7208   if (elements_subdir2 == NULL)
7209     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
7210
7211   checked_free(filename);
7212
7213   // 1st try: look for element description in current level set directory
7214   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
7215   if (fileExists(filename))
7216     return filename;
7217
7218   free(filename);
7219
7220   // 2nd try: look for element description in the game's base directory
7221   filename = getPath3(options.docs_directory, elements_subdir, basename);
7222   if (fileExists(filename))
7223     return filename;
7224
7225   return NULL;
7226 }
7227
7228 static char *getElementDescriptionFilename(int element)
7229 {
7230   char basename[MAX_FILENAME_LEN];
7231   char *filename;
7232
7233   // 1st try: look for element description file for exactly this element
7234   sprintf(basename, "%s.txt", element_info[element].token_name);
7235   filename = getElementDescriptionFilenameExt(basename);
7236   if (filename != NULL)
7237     return filename;
7238
7239   // 2nd try: look for element description file for this element's class
7240   sprintf(basename, "%s.txt", element_info[element].class_name);
7241   filename = getElementDescriptionFilenameExt(basename);
7242   if (filename != NULL)
7243     return filename;
7244
7245   // 3rd try: look for generic fallback text file for any element
7246   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
7247   if (filename != NULL)
7248     return filename;
7249
7250   return NULL;
7251 }
7252
7253 static boolean suppressBorderElement(void)
7254 {
7255   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
7256           lev_fieldx <= MAX_ED_FIELDX &&
7257           lev_fieldy <= MAX_ED_FIELDY);
7258 }
7259
7260 static void InitDynamicEditorElementList(int **elements, int *num_elements)
7261 {
7262   boolean element_found[NUM_FILE_ELEMENTS];
7263   int i, x, y;
7264
7265   // initialize list of used elements to "not used"
7266   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7267     element_found[i] = FALSE;
7268
7269   // find all elements used in current level
7270   for (y = 0; y < lev_fieldy; y++)
7271   {
7272     for (x = 0; x < lev_fieldx; x++)
7273     {
7274       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7275         continue;
7276
7277       if (IS_MM_WALL(Tile[x][y]))
7278         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7279       else
7280         element_found[Tile[x][y]] = TRUE;
7281     }
7282   }
7283
7284   *num_elements = 0;
7285
7286   // count number of elements used in current level
7287   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7288     if (element_found[i])
7289       (*num_elements)++;
7290
7291   // add space for up to 3 more elements for padding that may be needed
7292   *num_elements += 3;
7293
7294   // free memory for old list of elements, if needed
7295   checked_free(*elements);
7296
7297   // allocate memory for new list of elements
7298   *elements = checked_malloc(*num_elements * sizeof(int));
7299
7300   *num_elements = 0;
7301
7302   // add all elements used in current level (non-custom/group/empty elements)
7303   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7304     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7305                               IS_GROUP_ELEMENT(i) ||
7306                               IS_EMPTY_ELEMENT(i)))
7307       (*elements)[(*num_elements)++] = i;
7308
7309   // add all elements used in current level (custom/group/empty elements)
7310   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7311     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7312                              IS_GROUP_ELEMENT(i) ||
7313                              IS_EMPTY_ELEMENT(i)))
7314       (*elements)[(*num_elements)++] = i;
7315
7316   while (*num_elements % 4)     // pad with empty elements, if needed
7317     (*elements)[(*num_elements)++] = EL_EMPTY;
7318 }
7319
7320 static void ReinitializeElementList_EnableSections(void)
7321 {
7322   // default: enable all element sections
7323
7324   setup_editor_el_players               = TRUE;
7325   setup_editor_el_boulderdash           = TRUE;
7326   setup_editor_el_boulderdash_native    = TRUE;
7327   setup_editor_el_boulderdash_effects   = TRUE;
7328   setup_editor_el_emerald_mine          = TRUE;
7329   setup_editor_el_emerald_mine_club     = TRUE;
7330   setup_editor_el_more                  = TRUE;
7331   setup_editor_el_sokoban               = TRUE;
7332   setup_editor_el_supaplex              = TRUE;
7333   setup_editor_el_diamond_caves         = TRUE;
7334   setup_editor_el_dx_boulderdash        = TRUE;
7335   setup_editor_el_mirror_magic          = TRUE;
7336   setup_editor_el_deflektor             = TRUE;
7337   setup_editor_el_chars                 = TRUE;
7338   setup_editor_el_steel_chars           = TRUE;
7339
7340   setup_editor_el_custom                = TRUE;
7341   setup_editor_el_user_defined          = TRUE;
7342   setup_editor_el_dynamic               = TRUE;
7343
7344   // now disable all element sections not to be displayed
7345
7346   if (!setup.editor.el_classic)
7347   {
7348     setup_editor_el_players             = FALSE;
7349     setup_editor_el_boulderdash         = FALSE;
7350     setup_editor_el_boulderdash_native  = FALSE;
7351     setup_editor_el_boulderdash_effects = FALSE;
7352     setup_editor_el_emerald_mine        = FALSE;
7353     setup_editor_el_emerald_mine_club   = FALSE;
7354     setup_editor_el_more                = FALSE;
7355     setup_editor_el_sokoban             = FALSE;
7356     setup_editor_el_supaplex            = FALSE;
7357     setup_editor_el_diamond_caves       = FALSE;
7358     setup_editor_el_dx_boulderdash      = FALSE;
7359     setup_editor_el_mirror_magic        = FALSE;
7360     setup_editor_el_deflektor           = FALSE;
7361     setup_editor_el_chars               = FALSE;
7362     setup_editor_el_steel_chars         = FALSE;
7363   }
7364
7365   if (!setup.editor.el_custom)
7366   {
7367     setup_editor_el_custom              = FALSE;
7368   }
7369
7370   if (!setup.editor.el_user_defined)
7371   {
7372     setup_editor_el_user_defined        = FALSE;
7373   }
7374
7375   if (!setup.editor.el_dynamic)
7376   {
7377     setup_editor_el_dynamic             = FALSE;
7378   }
7379
7380   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7381   {
7382     setup_editor_el_boulderdash_native  = FALSE;
7383     setup_editor_el_boulderdash_effects = FALSE;
7384     setup_editor_el_mirror_magic        = FALSE;
7385     setup_editor_el_deflektor           = FALSE;
7386   }
7387   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7388   {
7389     setup_editor_el_players             = FALSE;
7390     setup_editor_el_boulderdash         = FALSE;
7391     setup_editor_el_emerald_mine        = FALSE;
7392     setup_editor_el_emerald_mine_club   = FALSE;
7393     setup_editor_el_more                = FALSE;
7394     setup_editor_el_sokoban             = FALSE;
7395     setup_editor_el_supaplex            = FALSE;
7396     setup_editor_el_diamond_caves       = FALSE;
7397     setup_editor_el_dx_boulderdash      = FALSE;
7398     setup_editor_el_mirror_magic        = FALSE;
7399     setup_editor_el_deflektor           = FALSE;
7400     setup_editor_el_chars               = FALSE;
7401     setup_editor_el_steel_chars         = FALSE;
7402
7403     setup_editor_el_custom              = FALSE;
7404   }
7405   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7406   {
7407     setup_editor_el_boulderdash         = FALSE;
7408     setup_editor_el_boulderdash_native  = FALSE;
7409     setup_editor_el_boulderdash_effects = FALSE;
7410     setup_editor_el_more                = FALSE;
7411     setup_editor_el_sokoban             = FALSE;
7412     setup_editor_el_supaplex            = FALSE;
7413     setup_editor_el_diamond_caves       = FALSE;
7414     setup_editor_el_dx_boulderdash      = FALSE;
7415     setup_editor_el_mirror_magic        = FALSE;
7416     setup_editor_el_deflektor           = FALSE;
7417     setup_editor_el_steel_chars         = FALSE;
7418
7419     setup_editor_el_custom              = FALSE;
7420   }
7421   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7422   {
7423     setup_editor_el_players             = FALSE;
7424     setup_editor_el_boulderdash         = FALSE;
7425     setup_editor_el_boulderdash_native  = FALSE;
7426     setup_editor_el_boulderdash_effects = FALSE;
7427     setup_editor_el_emerald_mine        = FALSE;
7428     setup_editor_el_emerald_mine_club   = FALSE;
7429     setup_editor_el_more                = FALSE;
7430     setup_editor_el_sokoban             = FALSE;
7431     setup_editor_el_diamond_caves       = FALSE;
7432     setup_editor_el_dx_boulderdash      = FALSE;
7433     setup_editor_el_mirror_magic        = FALSE;
7434     setup_editor_el_deflektor           = FALSE;
7435     setup_editor_el_chars               = FALSE;
7436     setup_editor_el_steel_chars         = FALSE;
7437
7438     setup_editor_el_custom              = FALSE;
7439   }
7440   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7441   {
7442     setup_editor_el_players             = FALSE;
7443     setup_editor_el_boulderdash         = FALSE;
7444     setup_editor_el_boulderdash_native  = FALSE;
7445     setup_editor_el_boulderdash_effects = FALSE;
7446     setup_editor_el_emerald_mine        = FALSE;
7447     setup_editor_el_emerald_mine_club   = FALSE;
7448     setup_editor_el_more                = FALSE;
7449     setup_editor_el_sokoban             = FALSE;
7450     setup_editor_el_supaplex            = FALSE;
7451     setup_editor_el_diamond_caves       = FALSE;
7452     setup_editor_el_dx_boulderdash      = FALSE;
7453     setup_editor_el_steel_chars         = FALSE;
7454
7455     setup_editor_el_custom              = FALSE;
7456   }
7457 }
7458
7459 static void ReinitializeElementList(void)
7460 {
7461   static boolean initialization_needed = TRUE;
7462   int pos = 0;
7463   int i, j;
7464
7465   ReinitializeElementList_EnableSections();
7466
7467   if (initialization_needed)
7468   {
7469     LoadSetup_EditorCascade();          // load last editor cascade state
7470
7471     // initialize editor cascade element from saved cascade state
7472     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7473     {
7474       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7475       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7476
7477       if (IS_EDITOR_CASCADE(*cascade_element))
7478         *cascade_element =
7479           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7480            EL_CASCADE_INACTIVE(*cascade_element));
7481     }
7482
7483     initialization_needed = FALSE;
7484   }
7485
7486   checked_free(editor_elements);
7487
7488   // reload optional user defined element list for each invocation of editor
7489   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7490                                    &num_editor_el_user_defined);
7491
7492   // initialize dynamic level element list for each invocation of editor
7493   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7494                                &num_editor_el_dynamic);
7495
7496   // initialize list of empty elements (used for padding, if needed)
7497   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7498     editor_el_empty[i] = EL_EMPTY;
7499
7500   // do some sanity checks for each element from element list
7501   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7502   {
7503     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7504     {
7505       int element = (*editor_elements_info[i].element_list)[j];
7506
7507       if (element >= NUM_FILE_ELEMENTS)
7508         Warn("editor element %d is runtime element", element);
7509
7510       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7511         Warn("no element description text for element %d", element);
7512     }
7513   }
7514
7515   num_editor_elements = 0;
7516   use_el_empty = FALSE;
7517
7518   // determine size of element list
7519   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7520   {
7521     if (*editor_elements_info[i].setup_value)
7522     {
7523       boolean found_inactive_cascade = FALSE;
7524
7525       if (setup.editor.el_headlines)
7526       {
7527         // required for correct padding of palette headline buttons
7528         if (*editor_elements_info[i].headline_list_size > 0)
7529           num_editor_elements += ED_ELEMENTLIST_COLS;
7530
7531         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7532         {
7533           int element = (*editor_elements_info[i].headline_list)[j];
7534
7535           if (IS_EDITOR_CASCADE_INACTIVE(element))
7536             found_inactive_cascade = TRUE;
7537         }
7538       }
7539
7540       if (found_inactive_cascade)
7541         continue;
7542
7543       // required for correct padding of palette element buttons
7544       int element_list_size = *editor_elements_info[i].element_list_size;
7545       int element_rows =
7546         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7547       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7548
7549       num_editor_elements += element_buttons;
7550     }
7551   }
7552
7553   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7554   {
7555     // offer at least as many elements as element buttons exist
7556     use_el_empty = TRUE;
7557     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7558
7559     num_editor_elements += num_editor_el_empty;
7560   }
7561   else
7562   {
7563     num_editor_el_empty = 0;
7564   }
7565
7566   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7567
7568   // fill element list
7569   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7570   {
7571     boolean found_inactive_cascade = FALSE;
7572
7573     if (*editor_elements_info[i].setup_value)
7574     {
7575       if (setup.editor.el_headlines)
7576       {
7577         // required for correct padding of palette headline buttons
7578         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7579                              ED_ELEMENTLIST_COLS : 0);
7580
7581         for (j = 0; j < headline_size; j++)
7582         {
7583           // use empty elements for padding of palette headline buttons
7584           int element = (j < *editor_elements_info[i].headline_list_size ?
7585                          (*editor_elements_info[i].headline_list)[j] :
7586                          editor_el_empty[0]);
7587
7588           editor_elements[pos++] = element;
7589
7590           if (IS_EDITOR_CASCADE_INACTIVE(element))
7591             found_inactive_cascade = TRUE;
7592         }
7593       }
7594
7595       if (found_inactive_cascade)
7596         continue;
7597
7598       // required for correct padding of palette element buttons
7599       int element_list_size = *editor_elements_info[i].element_list_size;
7600       int element_rows =
7601         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7602       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7603
7604       // copy all elements from element list
7605       for (j = 0; j < element_list_size; j++)
7606         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7607
7608       // use empty elements for padding of palette element buttons
7609       for (j = 0; j < element_buttons - element_list_size; j++)
7610         editor_elements[pos++] = editor_el_empty[0];
7611     }
7612   }
7613
7614   // (this function is also called before editor gadgets are initialized!)
7615   AdjustElementListScrollbar();
7616 }
7617
7618 void PrintEditorElementList(void)
7619 {
7620   boolean *stop = &setup_editor_el_user_defined;
7621   int i, j;
7622
7623   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7624   {
7625     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7626
7627     if (IS_EDITOR_CASCADE(cascade_element))
7628     {
7629       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7630       char *headline = element_info[cascade_element_show].editor_description;
7631
7632       PrintLineWithPrefix("# ", "-", 77);
7633       Print("# %s\n", headline);
7634       PrintLineWithPrefix("# ", "-", 77);
7635     }
7636
7637     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7638     {
7639       int element = (*editor_elements_info[i].headline_list)[j];
7640
7641       if (IS_EDITOR_CASCADE(element))
7642         element = EL_CHAR_MINUS;
7643
7644       Print("# %s\n", element_info[element].token_name);
7645     }
7646
7647     if (j > 0)
7648       Print("#\n");
7649
7650     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7651     {
7652       int element = (*editor_elements_info[i].element_list)[j];
7653
7654       Print("# %s\n", element_info[element].token_name);
7655     }
7656
7657     if (j > 0)
7658       Print("#\n");
7659   }
7660 }
7661
7662 static void ReinitializeElementListButtons(void)
7663 {
7664   static boolean last_setup_value_headlines = FALSE;
7665   static boolean initialization_needed = TRUE;
7666   int i;
7667
7668   if (!initialization_needed)   // check if editor element setup has changed
7669   {
7670     if (last_setup_value_headlines != setup.editor.el_headlines)
7671       initialization_needed = TRUE;
7672
7673     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7674       if (editor_elements_info[i].last_setup_value !=
7675           *editor_elements_info[i].setup_value)
7676         initialization_needed = TRUE;
7677   }
7678
7679   if (!initialization_needed)
7680     return;
7681
7682   FreeLevelEditorGadgets();
7683   CreateLevelEditorGadgets();
7684
7685   // store current setup values for next invocation of this function
7686   last_setup_value_headlines = setup.editor.el_headlines;
7687   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7688     editor_elements_info[i].last_setup_value =
7689       *editor_elements_info[i].setup_value;
7690
7691   initialization_needed = FALSE;
7692 }
7693
7694 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7695                               boolean input)
7696 {
7697   int border_graphic =
7698     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7699   struct GraphicInfo *g = &graphic_info[border_graphic];
7700   Bitmap *src_bitmap = g->bitmap;
7701   int src_x = g->src_x;
7702   int src_y = g->src_y;
7703   int border_size = g->border_size;
7704   int border_xpos = g->width  - border_size;
7705   int border_ypos = g->height - border_size;
7706   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7707   int i;
7708
7709   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7710              border_size, border_size,
7711              dest_x - border_size, dest_y - border_size);
7712   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7713              border_size, border_size,
7714              dest_x + width, dest_y - border_size);
7715   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7716              border_size, border_size,
7717              dest_x - border_size, dest_y + height);
7718   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7719              border_size, border_size,
7720              dest_x + width, dest_y + height);
7721
7722   for (i = 0; i < width / tilesize; i++)
7723   {
7724     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7725                tilesize, border_size,
7726                dest_x + i * tilesize, dest_y - border_size);
7727     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7728                tilesize, border_size,
7729                dest_x + i * tilesize, dest_y + height);
7730   }
7731
7732   for (i = 0; i < height / tilesize; i++)
7733   {
7734     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7735                border_size, tilesize,
7736                dest_x - border_size, dest_y + i * tilesize);
7737     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7738                border_size, tilesize,
7739                dest_x + width, dest_y + i * tilesize);
7740   }
7741
7742   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7743 }
7744
7745 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7746 {
7747   int xsize_tile = MAX(ed_tilesize, xsize);
7748   int ysize_tile = MAX(ed_tilesize, ysize);
7749   int xsize_full = xsize + 1;
7750   int ysize_full = ysize + 1;
7751   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7752   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7753   Pixel line_color = getTabulatorBarColor();
7754
7755   if (line_color == BLACK_PIXEL)                // black => transparent
7756     return;
7757
7758   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7759   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7760   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7761 }
7762
7763 static void DrawEditorLevelBorderLinesIfNeeded(void)
7764 {
7765   int xsize = lev_fieldx * ed_tilesize;
7766   int ysize = lev_fieldy * ed_tilesize;
7767   int line_size = getTabulatorBarHeight();
7768
7769   if (!suppressBorderElement())
7770     return;
7771
7772   // draw little border line around editable level playfield
7773
7774   if (xsize < SXSIZE)
7775     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7776
7777   if (ysize < SYSIZE)
7778     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7779
7780   if (xsize < SXSIZE && ysize < SYSIZE)
7781     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7782 }
7783
7784 static void DrawEditorElement(int x, int y, int element)
7785 {
7786   DrawSizedElement(x, y, element, ed_tilesize);
7787 }
7788
7789 static void DrawEditorElementThruMask(int x, int y, int element)
7790 {
7791   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7792 }
7793
7794 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7795 {
7796   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7797 }
7798
7799 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7800 {
7801   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7802   DrawEditorLevelBorderLinesIfNeeded();
7803 }
7804
7805 static void DrawDrawingArea(int id)
7806 {
7807   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7808   int x, y;
7809
7810   int *value = drawingarea_info[id].value;
7811   int area_xsize = drawingarea_info[id].area_xsize;
7812   int area_ysize = drawingarea_info[id].area_ysize;
7813   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7814
7815   for (x = 0; x < area_xsize; x++)
7816   {
7817     for (y = 0; y < area_ysize; y++)
7818     {
7819       int element = value[x * area_ysize + y];
7820       int graphic;
7821       int frame;
7822
7823       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7824
7825       DrawSizedGraphicExt(drawto,
7826                           gi->x + x * tilesize,
7827                           gi->y + y * tilesize,
7828                           graphic, frame, tilesize);
7829     }
7830   }
7831 }
7832
7833 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7834 {
7835   int x, y;
7836   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7837   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7838
7839   BlitBitmap(drawto, drawto,
7840              SX + (dx == -1 ? ed_tilesize : 0),
7841              SY + (dy == -1 ? ed_tilesize : 0),
7842              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7843              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7844              SX + (dx == +1 ? ed_tilesize : 0),
7845              SY + (dy == +1 ? ed_tilesize : 0));
7846
7847   if (dx)
7848   {
7849     x = (dx == 1 ? 0 : ed_fieldx - 1);
7850     for (y = 0; y < ed_fieldy; y++)
7851       DrawEditorElementOrWall(x, y, from_x, from_y);
7852   }
7853   else if (dy)
7854   {
7855     y = (dy == 1 ? 0 : ed_fieldy - 1);
7856     for (x = 0; x < ed_fieldx; x++)
7857       DrawEditorElementOrWall(x, y, from_x, from_y);
7858   }
7859
7860   redraw_mask |= REDRAW_FIELD;
7861   BackToFront();
7862 }
7863
7864 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7865 {
7866   if (use_editor_gfx)
7867   {
7868     *graphic = el2edimg(element);
7869     *frame = 0;
7870   }
7871   else
7872   {
7873     *graphic = el2img(element);
7874     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7875               custom_element.ce_value_fixed_initial :
7876               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7877               custom_element.collect_score_initial : FrameCounter);
7878   }
7879
7880   if (*graphic == IMG_UNKNOWN)
7881   {
7882     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7883     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7884     int element_bd = map_element_RND_to_BD_cave(element);
7885
7886     if (element_bd != O_UNKNOWN)
7887     {
7888       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7889
7890       *graphic = g_bd->graphic;
7891       *frame   = g_bd->frame;
7892     }
7893   }
7894 }
7895
7896 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7897                                    int *x, int *y)
7898 {
7899   int graphic;
7900   int frame;
7901
7902   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7903
7904   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7905 }
7906
7907 static void CreateControlButtons(void)
7908 {
7909   struct GadgetInfo *gi;
7910   int i;
7911
7912   // create toolbox buttons
7913   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7914   {
7915     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7916     int id = controlbutton_info[i].gadget_id;
7917     int type = controlbutton_info[i].gadget_type;
7918     int graphic = controlbutton_info[i].graphic;
7919     struct XYTileSize *pos = controlbutton_info[i].pos;
7920     struct GraphicInfo *gd = &graphic_info[graphic];
7921     Bitmap *deco_bitmap = NULL;
7922     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7923     int tile_size = 0, deco_shift = 0;
7924     boolean deco_masked = FALSE;
7925     int gd_x1 = gd->src_x;
7926     int gd_y1 = gd->src_y;
7927     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7928     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7929     int gd_x1a = gd->src_x + gd->active_xoffset;
7930     int gd_y1a = gd->src_y + gd->active_yoffset;
7931     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7932     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7933     int x = pos->x;
7934     int y = pos->y;
7935     unsigned int event_mask;
7936     int radio_button_nr = RADIO_NR_NONE;
7937     boolean checked = FALSE;
7938
7939     if (type_id != i)
7940       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7941
7942     if (type == GD_TYPE_RADIO_BUTTON)
7943     {
7944       event_mask = GD_EVENT_PRESSED;
7945       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7946
7947       if (id == drawing_function)
7948         checked = TRUE;
7949     }
7950     else
7951     {
7952       if (id == GADGET_ID_WRAP_LEFT ||
7953           id == GADGET_ID_WRAP_RIGHT ||
7954           id == GADGET_ID_WRAP_UP ||
7955           id == GADGET_ID_WRAP_DOWN)
7956         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7957       else
7958         event_mask = GD_EVENT_RELEASED;
7959     }
7960
7961     if (id == GADGET_ID_PROPERTIES ||
7962         id == GADGET_ID_PALETTE)
7963     {
7964       x += DX;
7965       y += DY;
7966     }
7967     else if (id == GADGET_ID_ELEMENT_LEFT ||
7968              id == GADGET_ID_ELEMENT_MIDDLE ||
7969              id == GADGET_ID_ELEMENT_RIGHT)
7970     {
7971       x += DX;
7972       y += DY;
7973
7974       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7975                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7976                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7977
7978       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7979                                    editor.button.element_left.tile_size :
7980                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7981                                    editor.button.element_middle.tile_size :
7982                                    id == GADGET_ID_ELEMENT_RIGHT ?
7983                                    editor.button.element_right.tile_size : 0);
7984
7985       // make sure that decoration does not overlap gadget border
7986       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7987
7988       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7989
7990       deco_xpos = (gd->width  - tile_size) / 2;
7991       deco_ypos = (gd->height - tile_size) / 2;
7992       deco_shift = 1;
7993       deco_masked = gd->draw_masked;
7994     }
7995     else
7996     {
7997       x += EX;
7998       y += EY;
7999     }
8000
8001     gi = CreateGadget(GDI_CUSTOM_ID, id,
8002                       GDI_CUSTOM_TYPE_ID, type_id,
8003                       GDI_IMAGE_ID, graphic,
8004                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
8005                       GDI_X, x,
8006                       GDI_Y, y,
8007                       GDI_WIDTH, gd->width,
8008                       GDI_HEIGHT, gd->height,
8009                       GDI_TYPE, type,
8010                       GDI_STATE, GD_BUTTON_UNPRESSED,
8011                       GDI_RADIO_NR, radio_button_nr,
8012                       GDI_CHECKED, checked,
8013                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8014                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8015                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8016                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8017                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8018                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8019                       GDI_DECORATION_SIZE, tile_size, tile_size,
8020                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
8021                       GDI_DECORATION_MASKED, deco_masked,
8022                       GDI_EVENT_MASK, event_mask,
8023                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8024                       GDI_CALLBACK_ACTION, HandleControlButtons,
8025                       GDI_END);
8026
8027     if (gi == NULL)
8028       Fail("cannot create gadget");
8029
8030     level_editor_gadget[id] = gi;
8031   }
8032
8033   // these values are not constant, but can change at runtime
8034   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
8035   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
8036   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
8037   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
8038   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
8039   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
8040   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
8041   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
8042   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
8043   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
8044   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
8045   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
8046
8047   // create buttons for scrolling of drawing area and element list
8048   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
8049   {
8050     int id = scrollbutton_info[i].gadget_id;
8051     int type_id = scrollbutton_info[i].gadget_type_id;
8052     int graphic = scrollbutton_info[i].graphic;
8053     struct GraphicInfo *gd = &graphic_info[graphic];
8054     Bitmap *gd_bitmap = gd->bitmap;
8055     int gd_x1 = gd->src_x;
8056     int gd_y1 = gd->src_y;
8057     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8058     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8059     int width  = gd->width;
8060     int height = gd->height;
8061     int x = scrollbutton_pos[i].x;
8062     int y = scrollbutton_pos[i].y;
8063     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8064
8065     if (type_id != i)
8066       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
8067
8068     if (id == GADGET_ID_SCROLL_LIST_UP ||
8069         id == GADGET_ID_SCROLL_LIST_DOWN)
8070     {
8071       x += PX;
8072       y += PY;
8073     }
8074     else
8075     {
8076       x += SX;
8077       y += SY;
8078     }
8079
8080     gi = CreateGadget(GDI_CUSTOM_ID, id,
8081                       GDI_CUSTOM_TYPE_ID, type_id,
8082                       GDI_IMAGE_ID, graphic,
8083                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8084                       GDI_X, x,
8085                       GDI_Y, y,
8086                       GDI_WIDTH, width,
8087                       GDI_HEIGHT, height,
8088                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8089                       GDI_STATE, GD_BUTTON_UNPRESSED,
8090                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8091                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8092                       GDI_EVENT_MASK, event_mask,
8093                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8094                       GDI_CALLBACK_ACTION, HandleControlButtons,
8095                       GDI_END);
8096
8097     if (gi == NULL)
8098       Fail("cannot create gadget");
8099
8100     level_editor_gadget[id] = gi;
8101   }
8102
8103   // create buttons for element list
8104   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8105   {
8106     int type_id = i;
8107     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
8108     int graphic = IMG_EDITOR_PALETTE_BUTTON;
8109     struct GraphicInfo *gd = &graphic_info[graphic];
8110     Bitmap *gd_bitmap = gd->bitmap;
8111     Bitmap *deco_bitmap;
8112     int deco_x, deco_y, deco_xpos, deco_ypos;
8113     int gd_x1 = gd->src_x;
8114     int gd_y1 = gd->src_y;
8115     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8116     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8117     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
8118     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
8119     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
8120     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
8121     int element = editor_elements[i];
8122     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8123     unsigned int event_mask = GD_EVENT_RELEASED;
8124
8125     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8126
8127     deco_xpos = (gd->width  - tile_size) / 2;
8128     deco_ypos = (gd->height - tile_size) / 2;
8129
8130     gi = CreateGadget(GDI_CUSTOM_ID, id,
8131                       GDI_CUSTOM_TYPE_ID, type_id,
8132                       GDI_IMAGE_ID, graphic,
8133                       GDI_INFO_TEXT, getElementInfoText(element),
8134                       GDI_X, x,
8135                       GDI_Y, y,
8136                       GDI_WIDTH, gd->width,
8137                       GDI_HEIGHT, gd->height,
8138                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8139                       GDI_STATE, GD_BUTTON_UNPRESSED,
8140                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8141                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8142                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8143                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8144                       GDI_DECORATION_SIZE, tile_size, tile_size,
8145                       GDI_DECORATION_SHIFTING, 1, 1,
8146                       GDI_EVENT_MASK, event_mask,
8147                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8148                       GDI_CALLBACK_ACTION, HandleControlButtons,
8149                       GDI_END);
8150
8151     if (gi == NULL)
8152       Fail("cannot create gadget");
8153
8154     level_editor_gadget[id] = gi;
8155   }
8156 }
8157
8158 static void CreateCounterButtons(void)
8159 {
8160   int max_infotext_len = getMaxInfoTextLength();
8161   int i;
8162
8163   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
8164   {
8165     int type_id = counterbutton_info[i].gadget_type_id;
8166     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
8167     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
8168     int j;
8169
8170     if (type_id != i)
8171       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
8172
8173     // determine horizontal position to the right of specified gadget
8174     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8175       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
8176            ED_GADGET_TEXT_DISTANCE);
8177
8178     // determine horizontal offset for leading text
8179     if (counterbutton_info[i].text_left != NULL)
8180       x += getTextWidthForGadget(counterbutton_info[i].text_left);
8181
8182     for (j = 0; j < 2; j++)
8183     {
8184       struct GadgetInfo *gi;
8185       int id = (j == 0 ?
8186                 counterbutton_info[i].gadget_id_down :
8187                 counterbutton_info[i].gadget_id_up);
8188       int graphic;
8189       struct GraphicInfo *gd;
8190       int gd_x1, gd_x2, gd_y1, gd_y2;
8191       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8192       char infotext[max_infotext_len + 1];
8193
8194       if (i == ED_COUNTER_ID_SELECT_LEVEL)
8195       {
8196         graphic = (j == 0 ?
8197                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
8198                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
8199
8200         event_mask |= GD_EVENT_RELEASED;
8201
8202         if (j == 0)
8203         {
8204           x = DX + editor.button.prev_level.x;
8205           y = DY + editor.button.prev_level.y;
8206         }
8207         else
8208         {
8209           x = DX + editor.button.next_level.x;
8210           y = DY + editor.button.next_level.y;
8211         }
8212       }
8213       else
8214       {
8215         graphic = (j == 0 ?
8216                    IMG_EDITOR_COUNTER_DOWN :
8217                    IMG_EDITOR_COUNTER_UP);
8218       }
8219
8220       gd = &graphic_info[graphic];
8221
8222       gd_x1 = gd->src_x;
8223       gd_y1 = gd->src_y;
8224       gd_x2 = gd->src_x + gd->pressed_xoffset;
8225       gd_y2 = gd->src_y + gd->pressed_yoffset;
8226
8227       sprintf(infotext, "%s counter value by 1, 5 or 10",
8228               (j == 0 ? "Decrease" : "Increase"));
8229
8230       gi = CreateGadget(GDI_CUSTOM_ID, id,
8231                         GDI_CUSTOM_TYPE_ID, type_id,
8232                         GDI_IMAGE_ID, graphic,
8233                         GDI_INFO_TEXT, infotext,
8234                         GDI_X, x,
8235                         GDI_Y, y,
8236                         GDI_WIDTH, gd->width,
8237                         GDI_HEIGHT, gd->height,
8238                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8239                         GDI_STATE, GD_BUTTON_UNPRESSED,
8240                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8241                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8242                         GDI_EVENT_MASK, event_mask,
8243                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8244                         GDI_CALLBACK_ACTION, HandleCounterButtons,
8245                         GDI_END);
8246
8247       if (gi == NULL)
8248         Fail("cannot create gadget");
8249
8250       level_editor_gadget[id] = gi;
8251       right_gadget_border[id] =
8252         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8253
8254       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
8255
8256       if (j == 0)
8257       {
8258         int font_type = FONT_INPUT_1;
8259         int font_type_active = FONT_INPUT_1_ACTIVE;
8260
8261         id = counterbutton_info[i].gadget_id_text;
8262
8263         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8264
8265         if (i == ED_COUNTER_ID_SELECT_LEVEL)
8266         {
8267           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
8268
8269           font_type = FONT_LEVEL_NUMBER;
8270           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8271
8272           x = DX + editor.input.level_number.x;
8273           y = DY + editor.input.level_number.y;
8274         }
8275         else
8276         {
8277           graphic = IMG_EDITOR_COUNTER_INPUT;
8278         }
8279
8280         gd = &graphic_info[graphic];
8281
8282         gd_x1 = gd->src_x;
8283         gd_y1 = gd->src_y;
8284         gd_x2 = gd->src_x + gd->active_xoffset;
8285         gd_y2 = gd->src_y + gd->active_yoffset;
8286
8287         gi = CreateGadget(GDI_CUSTOM_ID, id,
8288                           GDI_CUSTOM_TYPE_ID, type_id,
8289                           GDI_IMAGE_ID, graphic,
8290                           GDI_INFO_TEXT, "Enter counter value",
8291                           GDI_X, x,
8292                           GDI_Y, y,
8293                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8294                           GDI_NUMBER_VALUE, 0,
8295                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8296                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8297                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8298                           GDI_TEXT_FONT, font_type,
8299                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8300                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8301                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8302                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8303                           GDI_DESIGN_WIDTH, gd->width,
8304                           GDI_EVENT_MASK, event_mask,
8305                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8306                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8307                           GDI_END);
8308
8309         if (gi == NULL)
8310           Fail("cannot create gadget");
8311
8312         level_editor_gadget[id] = gi;
8313         right_gadget_border[id] =
8314           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8315
8316         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8317       }
8318     }
8319   }
8320 }
8321
8322 static void CreateDrawingAreas(void)
8323 {
8324   int i;
8325
8326   // these values are not constant, but can change at runtime
8327   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8328   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8329
8330   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8331   {
8332     struct GadgetInfo *gi;
8333     int id = drawingarea_info[i].gadget_id;
8334     int type_id = drawingarea_info[i].gadget_type_id;
8335     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8336     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8337     int area_xsize = drawingarea_info[i].area_xsize;
8338     int area_ysize = drawingarea_info[i].area_ysize;
8339     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8340                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8341     unsigned int event_mask =
8342       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8343       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8344
8345     if (type_id != i)
8346       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8347
8348     // determine horizontal position to the right of specified gadget
8349     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8350       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8351            ED_DRAWINGAREA_TEXT_DISTANCE);
8352
8353     // determine horizontal offset for leading text
8354     if (drawingarea_info[i].text_left != NULL)
8355       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8356
8357     gi = CreateGadget(GDI_CUSTOM_ID, id,
8358                       GDI_CUSTOM_TYPE_ID, type_id,
8359                       GDI_X, x,
8360                       GDI_Y, y,
8361                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8362                       GDI_AREA_SIZE, area_xsize, area_ysize,
8363                       GDI_ITEM_SIZE, item_size, item_size,
8364                       GDI_EVENT_MASK, event_mask,
8365                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8366                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8367                       GDI_END);
8368
8369     if (gi == NULL)
8370       Fail("cannot create gadget");
8371
8372     level_editor_gadget[id] = gi;
8373     right_gadget_border[id] =
8374       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8375   }
8376 }
8377
8378 static void CreateTextInputGadgets(void)
8379 {
8380   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8381   int max_infotext_len = getMaxInfoTextLength();
8382   int i;
8383
8384   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8385   {
8386     int gd_x1 = gd->src_x;
8387     int gd_y1 = gd->src_y;
8388     int gd_x2 = gd->src_x + gd->active_xoffset;
8389     int gd_y2 = gd->src_y + gd->active_yoffset;
8390     struct GadgetInfo *gi;
8391     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8392     char infotext[MAX_OUTPUT_LINESIZE + 1];
8393     int id = textinput_info[i].gadget_id;
8394     int type_id = textinput_info[i].gadget_type_id;
8395     int x, y;
8396
8397     if (type_id != i)
8398       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8399
8400     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8401     {
8402       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8403       int border_size = gd->border_size;
8404       int font_nr = FONT_INPUT_1;
8405       int font_height = getFontHeight(font_nr);
8406       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8407       int yoffset = element_border + (TILEY - font_height) / 2;
8408
8409       x = (editor.settings.element_name.x != -1 ?
8410            editor.settings.element_name.x :
8411            editor.settings.element_graphic.x + xoffset) - border_size;
8412       y = (editor.settings.element_name.y != -1 ?
8413            editor.settings.element_name.y :
8414            editor.settings.element_graphic.y + yoffset) - border_size;
8415     }
8416     else
8417     {
8418       x = ED_SETTINGS_X(textinput_info[i].x);
8419       y = ED_SETTINGS_Y(textinput_info[i].y);
8420     }
8421
8422     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8423     infotext[max_infotext_len] = '\0';
8424
8425     gi = CreateGadget(GDI_CUSTOM_ID, id,
8426                       GDI_CUSTOM_TYPE_ID, type_id,
8427                       GDI_INFO_TEXT, infotext,
8428                       GDI_X, SX + x,
8429                       GDI_Y, SY + y,
8430                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8431                       GDI_TEXT_VALUE, textinput_info[i].value,
8432                       GDI_TEXT_SIZE, textinput_info[i].size,
8433                       GDI_TEXT_FONT, FONT_INPUT_1,
8434                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8435                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8436                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8437                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8438                       GDI_DESIGN_WIDTH, gd->width,
8439                       GDI_EVENT_MASK, event_mask,
8440                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8441                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8442                       GDI_END);
8443
8444     if (gi == NULL)
8445       Fail("cannot create gadget");
8446
8447     level_editor_gadget[id] = gi;
8448   }
8449 }
8450
8451 static void CreateTextAreaGadgets(void)
8452 {
8453   int max_infotext_len = getMaxInfoTextLength();
8454   int i;
8455
8456   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8457   {
8458     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8459     int gd_x1 = gd->src_x;
8460     int gd_y1 = gd->src_y;
8461     int gd_x2 = gd->src_x + gd->active_xoffset;
8462     int gd_y2 = gd->src_y + gd->active_yoffset;
8463     struct GadgetInfo *gi;
8464     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8465     char infotext[MAX_OUTPUT_LINESIZE + 1];
8466     int id = textarea_info[i].gadget_id;
8467     int type_id = textarea_info[i].gadget_type_id;
8468     int area_xsize = textarea_info[i].xsize;
8469     int area_ysize = textarea_info[i].ysize;
8470
8471     if (type_id != i)
8472       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8473
8474     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8475     infotext[max_infotext_len] = '\0';
8476
8477     gi = CreateGadget(GDI_CUSTOM_ID, id,
8478                       GDI_CUSTOM_TYPE_ID, type_id,
8479                       GDI_INFO_TEXT, infotext,
8480                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8481                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8482                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8483                       GDI_AREA_SIZE, area_xsize, area_ysize,
8484                       GDI_TEXT_FONT, FONT_INPUT_1,
8485                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8486                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8487                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8488                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8489                       GDI_DESIGN_WIDTH, gd->width,
8490                       GDI_EVENT_MASK, event_mask,
8491                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8492                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8493                       GDI_END);
8494
8495     if (gi == NULL)
8496       Fail("cannot create gadget");
8497
8498     level_editor_gadget[id] = gi;
8499   }
8500 }
8501
8502 static void CreateSelectboxGadgets(void)
8503 {
8504   int max_infotext_len = getMaxInfoTextLength();
8505
8506   int i, j;
8507
8508   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8509   {
8510     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8511     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8512     int gd_x1 = gd->src_x;
8513     int gd_y1 = gd->src_y;
8514     int gd_x2 = gd->src_x + gd->active_xoffset;
8515     int gd_y2 = gd->src_y + gd->active_yoffset;
8516     int selectbox_button_xsize = gd2->width;
8517     struct GadgetInfo *gi;
8518     char infotext[MAX_OUTPUT_LINESIZE + 1];
8519     int id = selectbox_info[i].gadget_id;
8520     int type_id = selectbox_info[i].gadget_type_id;
8521     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8522     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8523     unsigned int event_mask =
8524       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8525
8526     if (type_id != i)
8527       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8528
8529     if (selectbox_info[i].size == -1)   // dynamically determine size
8530     {
8531       // (we cannot use -1 for uninitialized values if we directly compare
8532       // with results from strlen(), because the '<' and '>' operation will
8533       // implicitely cast -1 to an unsigned integer value!)
8534       selectbox_info[i].size = 0;
8535
8536       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8537         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8538           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8539
8540       selectbox_info[i].size++;         // add one character empty space
8541     }
8542
8543     // determine horizontal position to the right of specified gadget
8544     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8545       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8546            ED_GADGET_TEXT_DISTANCE);
8547
8548     // determine horizontal offset for leading text
8549     if (selectbox_info[i].text_left != NULL)
8550       x += getTextWidthForGadget(selectbox_info[i].text_left);
8551
8552     sprintf(infotext, "%s", selectbox_info[i].infotext);
8553     infotext[max_infotext_len] = '\0';
8554
8555     gi = CreateGadget(GDI_CUSTOM_ID, id,
8556                       GDI_CUSTOM_TYPE_ID, type_id,
8557                       GDI_INFO_TEXT, infotext,
8558                       GDI_X, x,
8559                       GDI_Y, y,
8560                       GDI_TYPE, GD_TYPE_SELECTBOX,
8561                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8562                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8563                       GDI_TEXT_SIZE, selectbox_info[i].size,
8564                       GDI_TEXT_FONT, FONT_INPUT_1,
8565                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8566                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8567                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8568                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8569                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8570                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8571                       GDI_DESIGN_WIDTH, gd->width,
8572                       GDI_EVENT_MASK, event_mask,
8573                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8574                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8575                       GDI_END);
8576
8577     if (gi == NULL)
8578       Fail("cannot create gadget");
8579
8580     level_editor_gadget[id] = gi;
8581     right_gadget_border[id] =
8582       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8583   }
8584 }
8585
8586 static void CreateTextbuttonGadgets(void)
8587 {
8588   int max_infotext_len = getMaxInfoTextLength();
8589   int i;
8590
8591   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8592   {
8593     int id = textbutton_info[i].gadget_id;
8594     int type_id = textbutton_info[i].gadget_type_id;
8595     int is_tab_button =
8596       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8597        (id >= GADGET_ID_ENGINECONFIG_CONFIG && id <= GADGET_ID_ENGINECONFIG_COLORS) ||
8598        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8599     int graphic =
8600       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8601     int gadget_distance =
8602       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8603     struct GraphicInfo *gd = &graphic_info[graphic];
8604     int gd_x1 = gd->src_x;
8605     int gd_y1 = gd->src_y;
8606     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8607     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8608     int gd_x1a = gd->src_x + gd->active_xoffset;
8609     int gd_y1a = gd->src_y + gd->active_yoffset;
8610     int border_xsize = gd->border_size + gd->draw_xoffset;
8611     int border_ysize = gd->border_size;
8612     struct GadgetInfo *gi;
8613     unsigned int event_mask = GD_EVENT_RELEASED;
8614     char infotext[MAX_OUTPUT_LINESIZE + 1];
8615     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8616     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8617
8618     if (type_id != i)
8619       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8620
8621     if (textbutton_info[i].size == -1)  // dynamically determine size
8622       textbutton_info[i].size = strlen(textbutton_info[i].text);
8623
8624     sprintf(infotext, "%s", textbutton_info[i].infotext);
8625     infotext[max_infotext_len] = '\0';
8626
8627     // determine horizontal position to the right of specified gadget
8628     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8629     {
8630       int gadget_id_align = textbutton_info[i].gadget_id_align;
8631
8632       x = right_gadget_border[gadget_id_align] + gadget_distance;
8633
8634       if (textbutton_info[i].y == -1)
8635         y = level_editor_gadget[gadget_id_align]->y;
8636     }
8637
8638     // determine horizontal offset for leading text
8639     if (textbutton_info[i].text_left != NULL)
8640       x += getTextWidthForGadget(textbutton_info[i].text_left);
8641
8642     gi = CreateGadget(GDI_CUSTOM_ID, id,
8643                       GDI_CUSTOM_TYPE_ID, type_id,
8644                       GDI_IMAGE_ID, graphic,
8645                       GDI_INFO_TEXT, infotext,
8646                       GDI_X, x,
8647                       GDI_Y, y,
8648                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8649                       GDI_TEXT_VALUE, textbutton_info[i].text,
8650                       GDI_TEXT_SIZE, textbutton_info[i].size,
8651                       GDI_TEXT_FONT, FONT_INPUT_2,
8652                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8653                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8654                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8655                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8656                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8657                       GDI_DESIGN_WIDTH, gd->width,
8658                       GDI_DECORATION_SHIFTING, 1, 1,
8659                       GDI_EVENT_MASK, event_mask,
8660                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8661                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8662                       GDI_END);
8663
8664     if (gi == NULL)
8665       Fail("cannot create gadget");
8666
8667     level_editor_gadget[id] = gi;
8668     right_gadget_border[id] =
8669       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8670   }
8671 }
8672
8673 static void CreateGraphicbuttonGadgets(void)
8674 {
8675   struct GadgetInfo *gi;
8676   int i;
8677
8678   // create buttons for scrolling of drawing area and element list
8679   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8680   {
8681     int id = graphicbutton_info[i].gadget_id;
8682     int type_id = graphicbutton_info[i].gadget_type_id;
8683     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8684     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8685     int graphic = graphicbutton_info[i].graphic;
8686     struct GraphicInfo *gd = &graphic_info[graphic];
8687     int gd_x1 = gd->src_x;
8688     int gd_y1 = gd->src_y;
8689     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8690     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8691     unsigned int event_mask = GD_EVENT_RELEASED;
8692
8693     if (type_id != i)
8694       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8695
8696     // determine horizontal position to the right of specified gadget
8697     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8698       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8699            ED_GADGET_TEXT_DISTANCE);
8700
8701     // determine horizontal offset for leading text
8702     if (graphicbutton_info[i].text_left != NULL)
8703       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8704
8705     gi = CreateGadget(GDI_CUSTOM_ID, id,
8706                       GDI_CUSTOM_TYPE_ID, type_id,
8707                       GDI_IMAGE_ID, graphic,
8708                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8709                       GDI_X, x,
8710                       GDI_Y, y,
8711                       GDI_WIDTH, gd->width,
8712                       GDI_HEIGHT, gd->height,
8713                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8714                       GDI_STATE, GD_BUTTON_UNPRESSED,
8715                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8716                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8717                       GDI_EVENT_MASK, event_mask,
8718                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8719                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8720                       GDI_END);
8721
8722     if (gi == NULL)
8723       Fail("cannot create gadget");
8724
8725     level_editor_gadget[id] = gi;
8726     right_gadget_border[id] =
8727       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8728   }
8729 }
8730
8731 static void CreateScrollbarGadgets(void)
8732 {
8733   int i;
8734
8735   // these values are not constant, but can change at runtime
8736   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8737     SX + ED_SCROLL_HORIZONTAL_XPOS;
8738   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8739     SY + ED_SCROLL_HORIZONTAL_YPOS;
8740   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8741     ED_SCROLL_HORIZONTAL_XSIZE;
8742   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8743     ED_SCROLL_HORIZONTAL_YSIZE;
8744   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8745   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8746   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8747   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8748
8749   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8750     SX + ED_SCROLL_VERTICAL_XPOS;
8751   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8752     SY + ED_SCROLL_VERTICAL_YPOS;
8753   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8754     ED_SCROLL_VERTICAL_XSIZE;
8755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8756     ED_SCROLL_VERTICAL_YSIZE;
8757   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8758   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8759   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8760   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8761
8762   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8763     PX + ED_SCROLL2_VERTICAL_XPOS;
8764   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8765     PY + ED_SCROLL2_VERTICAL_YPOS;
8766   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8767     ED_SCROLL2_VERTICAL_XSIZE;
8768   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8769     ED_SCROLL2_VERTICAL_YSIZE;
8770   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8771   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8772   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8773   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8774
8775   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8776   {
8777     int id = scrollbar_info[i].gadget_id;
8778     int type_id = scrollbar_info[i].gadget_type_id;
8779     int graphic = scrollbar_info[i].graphic;
8780     struct GraphicInfo *gd = &graphic_info[graphic];
8781     int gd_x1 = gd->src_x;
8782     int gd_y1 = gd->src_y;
8783     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8784     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8785     struct GadgetInfo *gi;
8786     int items_max, items_visible, item_position;
8787     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8788
8789     if (type_id != i)
8790       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8791
8792     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8793     {
8794       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8795       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8796       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8797     }
8798     else        // drawing area scrollbars
8799     {
8800       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8801       {
8802         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8803         items_visible = ed_fieldx;
8804         item_position = 0;
8805       }
8806       else
8807       {
8808         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8809         items_visible = ed_fieldy;
8810         item_position = 0;
8811       }
8812     }
8813
8814     gi = CreateGadget(GDI_CUSTOM_ID, id,
8815                       GDI_CUSTOM_TYPE_ID, type_id,
8816                       GDI_IMAGE_ID, graphic,
8817                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8818                       GDI_X, scrollbar_pos[i].x,
8819                       GDI_Y, scrollbar_pos[i].y,
8820                       GDI_WIDTH, scrollbar_pos[i].width,
8821                       GDI_HEIGHT, scrollbar_pos[i].height,
8822                       GDI_TYPE, scrollbar_info[i].type,
8823                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8824                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8825                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8826                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8827                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8828                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8829                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8830                       GDI_STATE, GD_BUTTON_UNPRESSED,
8831                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8832                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8833                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8834                       GDI_EVENT_MASK, event_mask,
8835                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8836                       GDI_CALLBACK_ACTION, HandleControlButtons,
8837                       GDI_END);
8838
8839     if (gi == NULL)
8840       Fail("cannot create gadget");
8841
8842     level_editor_gadget[id] = gi;
8843   }
8844 }
8845
8846 static void CreateCheckbuttonGadgets(void)
8847 {
8848   struct GadgetInfo *gi;
8849   int i;
8850
8851   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8852   {
8853     int id = checkbutton_info[i].gadget_id;
8854     int type_id = checkbutton_info[i].gadget_type_id;
8855     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8856                    IMG_EDITOR_CHECKBOX);
8857     struct GraphicInfo *gd = &graphic_info[graphic];
8858     int gd_x1 = gd->src_x;
8859     int gd_y1 = gd->src_y;
8860     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8861     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8862     int gd_x1a = gd->src_x + gd->active_xoffset;
8863     int gd_y1a = gd->src_y + gd->active_yoffset;
8864     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8865     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8866     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8867     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8868     unsigned int event_mask = GD_EVENT_PRESSED;
8869
8870     if (type_id != i)
8871       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8872
8873     // determine horizontal position to the right of specified gadget
8874     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8875       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8876            ED_GADGET_TEXT_DISTANCE);
8877
8878     // determine horizontal offset for leading text
8879     if (checkbutton_info[i].text_left != NULL)
8880       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8881
8882     gi = CreateGadget(GDI_CUSTOM_ID, id,
8883                       GDI_CUSTOM_TYPE_ID, type_id,
8884                       GDI_IMAGE_ID, graphic,
8885                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8886                       GDI_X, x,
8887                       GDI_Y, y,
8888                       GDI_WIDTH, gd->width,
8889                       GDI_HEIGHT, gd->height,
8890                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8891                       GDI_CHECKED, *checkbutton_info[i].value,
8892                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8893                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8894                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8895                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8896                       GDI_EVENT_MASK, event_mask,
8897                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8898                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8899                       GDI_END);
8900
8901     if (gi == NULL)
8902       Fail("cannot create gadget");
8903
8904     level_editor_gadget[id] = gi;
8905     right_gadget_border[id] =
8906       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8907   }
8908 }
8909
8910 static void CreateRadiobuttonGadgets(void)
8911 {
8912   int graphic = IMG_EDITOR_RADIOBUTTON;
8913   struct GraphicInfo *gd = &graphic_info[graphic];
8914   int gd_x1 = gd->src_x;
8915   int gd_y1 = gd->src_y;
8916   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8917   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8918   int gd_x1a = gd->src_x + gd->active_xoffset;
8919   int gd_y1a = gd->src_y + gd->active_yoffset;
8920   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8921   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8922   struct GadgetInfo *gi;
8923   int i;
8924
8925   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8926   {
8927     int id = radiobutton_info[i].gadget_id;
8928     int type_id = radiobutton_info[i].gadget_type_id;
8929     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8930     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8931     unsigned int event_mask = GD_EVENT_PRESSED;
8932
8933     if (type_id != i)
8934       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8935
8936     int checked =
8937       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8938
8939     // determine horizontal position to the right of specified gadget
8940     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8941       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8942            ED_GADGET_TEXT_DISTANCE);
8943
8944     // determine horizontal offset for leading text
8945     if (radiobutton_info[i].text_left != NULL)
8946       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8947
8948     gi = CreateGadget(GDI_CUSTOM_ID, id,
8949                       GDI_CUSTOM_TYPE_ID, type_id,
8950                       GDI_IMAGE_ID, graphic,
8951                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8952                       GDI_X, x,
8953                       GDI_Y, y,
8954                       GDI_WIDTH, gd->width,
8955                       GDI_HEIGHT, gd->height,
8956                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8957                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8958                       GDI_CHECKED, checked,
8959                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8960                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8961                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8962                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8963                       GDI_EVENT_MASK, event_mask,
8964                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8965                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8966                       GDI_END);
8967
8968     if (gi == NULL)
8969       Fail("cannot create gadget");
8970
8971     level_editor_gadget[id] = gi;
8972     right_gadget_border[id] =
8973       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8974   }
8975 }
8976
8977 void CreateLevelEditorGadgets(void)
8978 {
8979   // force EDITOR font inside level editor
8980   SetFontStatus(GAME_MODE_EDITOR);
8981
8982   // these values are not constant, but can change at runtime
8983   ed_fieldx = MAX_ED_FIELDX - 1;
8984   ed_fieldy = MAX_ED_FIELDY - 1;
8985
8986   num_editor_gadgets = NUM_EDITOR_GADGETS;
8987
8988   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8989
8990   level_editor_gadget =
8991     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8992   right_gadget_border =
8993     checked_calloc(num_editor_gadgets * sizeof(int));
8994
8995   // set number of empty (padding) element buttons to maximum number of buttons
8996   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8997
8998   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8999   editor_el_empty_ptr = editor_el_empty;
9000
9001   use_permanent_palette = !editor.palette.show_as_separate_screen;
9002
9003   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
9004
9005   ReinitializeElementList();
9006
9007   CreateControlButtons();
9008   CreateScrollbarGadgets();
9009
9010   // order of function calls is important because of cross-references
9011   CreateCheckbuttonGadgets();
9012   CreateCounterButtons();
9013   CreateRadiobuttonGadgets();
9014   CreateTextInputGadgets();
9015   CreateTextAreaGadgets();
9016   CreateSelectboxGadgets();
9017   CreateGraphicbuttonGadgets();
9018   CreateTextbuttonGadgets();
9019   CreateDrawingAreas();
9020
9021   ResetFontStatus();
9022 }
9023
9024 void FreeLevelEditorGadgets(void)
9025 {
9026   int i;
9027
9028   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
9029
9030   for (i = 0; i < num_editor_gadgets; i++)
9031   {
9032     FreeGadget(level_editor_gadget[i]);
9033
9034     level_editor_gadget[i] = NULL;
9035   }
9036
9037   checked_free(level_editor_gadget);
9038   checked_free(right_gadget_border);
9039
9040   checked_free(editor_el_empty);
9041 }
9042
9043 static void MapCounterButtons(int id)
9044 {
9045   int font_nr = FONT_TEXT_1;
9046   int font_height = getFontHeight(font_nr);
9047   int gadget_id_down = counterbutton_info[id].gadget_id_down;
9048   int gadget_id_text = counterbutton_info[id].gadget_id_text;
9049   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
9050   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
9051   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
9052   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
9053   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
9054   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9055   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9056   int yoffset = (gi_down->height - font_height) / 2;
9057   int x_left = gi_down->x - xoffset_left;
9058   int x_right;  // set after gadget position was modified
9059   int y_above = gi_down->y - yoffset_above;
9060   int x = gi_down->x;
9061   int y;        // set after gadget position was modified
9062
9063   // counter limits must be changed first to prevent value truncation
9064   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
9065                             counterbutton_info[id].max_value);
9066
9067   // right text position might have changed after setting position above
9068   x_right = gi_up->x + gi_up->width + xoffset_right;
9069
9070   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
9071
9072   // set position for counter gadgets with dynamically determined position
9073   if (id != ED_COUNTER_ID_SELECT_LEVEL)
9074   {
9075     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9076     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9077     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9078   }
9079
9080   // vertical position might have changed after setting position above
9081   y = gi_up->y + yoffset;
9082
9083   if (counterbutton_info[id].text_above)
9084     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
9085
9086   if (counterbutton_info[id].text_left)
9087     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
9088
9089   if (counterbutton_info[id].text_right)
9090     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
9091
9092   MapGadget(gi_down);
9093   MapGadget(gi_text);
9094   MapGadget(gi_up);
9095 }
9096
9097 static void MapControlButtons(void)
9098 {
9099   int counter_id;
9100   int i;
9101
9102   // map toolbox buttons (excluding special CE toolbox buttons)
9103   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
9104     MapGadget(level_editor_gadget[i]);
9105
9106   // map toolbox buttons (element properties buttons)
9107   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
9108     MapGadget(level_editor_gadget[i]);
9109
9110   if (use_permanent_palette)
9111   {
9112     // map buttons to select elements
9113     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9114       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9115     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9116     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9117     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9118   }
9119
9120   // map buttons to select level
9121   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
9122   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
9123   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
9124   MapCounterButtons(counter_id);
9125 }
9126
9127 static void MapDrawingArea(int id)
9128 {
9129   int font_nr = FONT_TEXT_1;
9130   int font_height = getFontHeight(font_nr);
9131   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9132   int area_xsize = gi->drawing.area_xsize;
9133   int area_ysize = gi->drawing.area_ysize;
9134   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9135   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
9136   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
9137   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
9138   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
9139   int x_below = gi->x + (gi->width - xoffset_below) / 2;
9140   int y_side  = gi->y + (gi->height - font_height) / 2;
9141   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
9142   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
9143
9144   if (drawingarea_info[id].text_left)
9145     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
9146
9147   if (drawingarea_info[id].text_right)
9148     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
9149
9150   if (drawingarea_info[id].text_above)
9151     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
9152
9153   if (drawingarea_info[id].text_below)
9154     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
9155
9156   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
9157   {
9158     DrawElementBorder(gi->x, gi->y,
9159                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
9160                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
9161
9162     DrawDrawingArea(id);
9163   }
9164
9165   MapGadget(gi);
9166 }
9167
9168 static void MapTextInputGadget(int id)
9169 {
9170   int font_nr = FONT_TEXT_1;
9171   int font_height = getFontHeight(font_nr);
9172   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9173   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9174   int x_above = ED_SETTINGS_X(textinput_info[id].x);
9175   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
9176
9177   if (textinput_info[id].text_above)
9178     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
9179
9180   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9181
9182   MapGadget(gi);
9183 }
9184
9185 static void MapTextAreaGadget(int id)
9186 {
9187   int font_nr = FONT_TEXT_1;
9188   int font_height = getFontHeight(font_nr);
9189   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9190   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9191   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9192   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9193   char *text_above = textarea_info[id].text_above;
9194
9195   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9196     text_above = textarea_info[id].text_above_cropped;
9197
9198   if (text_above)
9199     DrawTextS(x_above, y_above, font_nr, text_above);
9200
9201   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9202
9203   MapGadget(gi);
9204 }
9205
9206 static void MapSelectboxGadget(int id)
9207 {
9208   int font_nr = FONT_TEXT_1;
9209   int font_height = getFontHeight(font_nr);
9210   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9211   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9212   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9213   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9214   int yoffset = (gi->height - font_height) / 2;
9215   int x_left = gi->x - xoffset_left;
9216   int x_right = gi->x + gi->width + xoffset_right;
9217   int y_above = gi->y - yoffset_above;
9218   int x = gi->x;
9219   int y = gi->y + yoffset;
9220
9221   if (selectbox_info[id].text_above)
9222     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
9223
9224   if (selectbox_info[id].text_left)
9225     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9226
9227   if (selectbox_info[id].text_right)
9228     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9229
9230   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9231
9232   MapGadget(gi);
9233 }
9234
9235 static void MapTextbuttonGadget(int id)
9236 {
9237   int font_nr = FONT_TEXT_1;
9238   int font_height = getFontHeight(font_nr);
9239   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9240   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9241   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9242   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9243   int yoffset = (gi->height - font_height) / 2;
9244   int x_left = gi->x - xoffset_left;
9245   int x_right = gi->x + gi->width + xoffset_right;
9246   int y_above = gi->y - yoffset_above;
9247   int x = gi->x;
9248   int y = gi->y + yoffset;
9249
9250   // only show button to delete change pages when more than minimum pages
9251   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9252       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9253     return;
9254
9255   if (textbutton_info[id].text_above)
9256     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9257
9258   if (textbutton_info[id].text_left)
9259     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9260
9261   if (textbutton_info[id].text_right)
9262     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9263
9264   MapGadget(gi);
9265 }
9266
9267 static void MapGraphicbuttonGadget(int id)
9268 {
9269   int font_nr = FONT_TEXT_1;
9270   int font_height = getFontHeight(font_nr);
9271   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9272   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9273   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9274   int yoffset = (gi->height - font_height) / 2;
9275   int x_left = gi->x - xoffset_left;
9276   int x_right = gi->x + gi->width + xoffset_right;
9277   int y = gi->y + yoffset;
9278
9279   if (graphicbutton_info[id].text_left)
9280     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9281
9282   if (graphicbutton_info[id].text_right)
9283     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9284
9285   MapGadget(gi);
9286 }
9287
9288 static void MapRadiobuttonGadget(int id)
9289 {
9290   int font_nr = FONT_TEXT_1;
9291   int font_height = getFontHeight(font_nr);
9292   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9293   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9294   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9295   int yoffset = (gi->height - font_height) / 2;
9296   int x_left = gi->x - xoffset_left;
9297   int x_right = gi->x + gi->width + xoffset_right;
9298   int y = gi->y + yoffset;
9299   boolean checked =
9300     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9301
9302   if (radiobutton_info[id].text_left)
9303     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9304
9305   if (radiobutton_info[id].text_right)
9306     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9307
9308   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9309
9310   MapGadget(gi);
9311 }
9312
9313 static void MapCheckbuttonGadget(int id)
9314 {
9315   int font_nr = FONT_TEXT_1;
9316   int font_height = getFontHeight(font_nr);
9317   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9318   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9319   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9320   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9321   int yoffset = (gi->height - font_height) / 2;
9322   int y_above = gi->y - yoffset_above;
9323   int x = gi->x;
9324   int x_left, x_right, y;       // set after gadget position was modified
9325
9326   // set position for gadgets with dynamically determined position
9327   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9328     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9329   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9330
9331   x_left = gi->x - xoffset_left;
9332   x_right = gi->x + gi->width + xoffset_right;
9333   y = gi->y + yoffset;
9334
9335   if (checkbutton_info[id].text_above)
9336     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9337
9338   if (checkbutton_info[id].text_left)
9339     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9340
9341   if (checkbutton_info[id].text_right)
9342     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9343
9344   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9345
9346   MapGadget(gi);
9347 }
9348
9349 static void MapMainDrawingArea(void)
9350 {
9351   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9352   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9353   int i;
9354
9355   if (suppressBorderElement())
9356   {
9357     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9358     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9359   }
9360
9361   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9362   {
9363     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9364           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9365          no_horizontal_scrollbar) ||
9366         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9367           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9368          no_vertical_scrollbar))
9369       continue;
9370
9371     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9372   }
9373
9374   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9375   {
9376     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9377         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9378       continue;
9379
9380     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9381   }
9382
9383   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9384 }
9385
9386 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9387 {
9388   int i;
9389
9390   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9391   {
9392     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9393         i == GADGET_ID_CUSTOM_COPY_TO ||
9394         i == GADGET_ID_CUSTOM_EXCHANGE ||
9395         i == GADGET_ID_CUSTOM_COPY ||
9396         i == GADGET_ID_CUSTOM_PASTE)
9397     {
9398       if (map)
9399         MapGadget(level_editor_gadget[i]);
9400       else
9401         UnmapGadget(level_editor_gadget[i]);
9402     }
9403   }
9404 }
9405
9406 static void MapLevelEditorToolboxCustomGadgets(void)
9407 {
9408   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9409 }
9410
9411 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9412 {
9413   if (IS_CUSTOM_ELEMENT(properties_element) ||
9414       IS_GROUP_ELEMENT(properties_element) ||
9415       IS_EMPTY_ELEMENT(properties_element))
9416     MapLevelEditorToolboxCustomGadgets();
9417 }
9418
9419 static void UnmapLevelEditorToolboxCustomGadgets(void)
9420 {
9421   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9422 }
9423
9424 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9425 {
9426   int i;
9427
9428   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9429   {
9430     if (i != GADGET_ID_SINGLE_ITEMS &&
9431         i != GADGET_ID_PICK_ELEMENT)
9432     {
9433       struct GadgetInfo *gi = level_editor_gadget[i];
9434
9435       if (map)
9436       {
9437         MapGadget(gi);
9438       }
9439       else
9440       {
9441         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9442         struct GraphicInfo *gd = &graphic_info[graphic];
9443
9444         UnmapGadget(gi);
9445
9446         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9447                    gi->width, gi->height, gi->x, gi->y);
9448
9449         redraw_mask |= REDRAW_DOOR_3;
9450       }
9451     }
9452   }
9453 }
9454
9455 static void MapLevelEditorToolboxDrawingGadgets(void)
9456 {
9457   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9458 }
9459
9460 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9461 {
9462   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9463 }
9464
9465 static void UnmapDrawingArea(int id)
9466 {
9467   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9468 }
9469
9470 static void UnmapLevelEditorFieldGadgets(void)
9471 {
9472   int i;
9473
9474   for (i = 0; i < num_editor_gadgets; i++)
9475     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9476                           level_editor_gadget[i]->y))
9477       UnmapGadget(level_editor_gadget[i]);
9478 }
9479
9480 void UnmapLevelEditorGadgets(void)
9481 {
9482   int i;
9483
9484   for (i = 0; i < num_editor_gadgets; i++)
9485     UnmapGadget(level_editor_gadget[i]);
9486 }
9487
9488 static void ResetUndoBuffer(void)
9489 {
9490   undo_buffer_position = -1;
9491   undo_buffer_steps = -1;
9492   redo_buffer_steps = 0;
9493
9494   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9495
9496   level.changed = FALSE;
9497 }
9498
9499 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9500 {
9501   if (remap_toolbox_gadgets)
9502   {
9503     ModifyEditorElementList();
9504     RedrawDrawingElements();
9505   }
9506
9507   if (edit_mode == ED_MODE_LEVELCONFIG)
9508     DrawLevelConfigWindow();
9509   else if (edit_mode == ED_MODE_PROPERTIES)
9510     DrawPropertiesWindow();
9511   else if (edit_mode == ED_MODE_PALETTE)
9512     DrawPaletteWindow();
9513   else  // edit_mode == ED_MODE_DRAWING
9514     DrawDrawingWindowExt(remap_toolbox_gadgets);
9515 }
9516
9517 static void DrawEditModeWindow(void)
9518 {
9519   DrawEditModeWindowExt(TRUE);
9520 }
9521
9522 static void DrawEditModeWindow_PlayfieldOnly(void)
9523 {
9524   DrawEditModeWindowExt(FALSE);
9525 }
9526
9527 static void ChangeEditModeWindow(int new_edit_mode)
9528 {
9529   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9530
9531   DrawEditModeWindow();
9532 }
9533
9534 static boolean LevelChanged(void)
9535 {
9536   boolean field_changed = FALSE;
9537   int x, y;
9538
9539   for (y = 0; y < lev_fieldy; y++)
9540     for (x = 0; x < lev_fieldx; x++)
9541       if (Tile[x][y] != level.field[x][y])
9542         field_changed = TRUE;
9543
9544   return (level.changed || field_changed);
9545 }
9546
9547 static boolean PrepareSavingIntoPersonalLevelSet(void)
9548 {
9549   static LevelDirTree *last_copied_leveldir = NULL;
9550   static LevelDirTree *last_written_leveldir = NULL;
9551   static int last_copied_level_nr = -1;
9552   static int last_written_level_nr = -1;
9553   LevelDirTree *leveldir_former = leveldir_current;
9554   int level_nr_former = level_nr;
9555   int new_level_nr;
9556
9557   // remember last mod/save so that for current session, we write
9558   // back to the same personal copy, asking only about overwrite.
9559   if (leveldir_current == last_copied_leveldir &&
9560       level_nr == last_copied_level_nr)
9561   {
9562     // "cd" to personal level set dir (as used when writing last copy)
9563     leveldir_current = last_written_leveldir;
9564     level_nr = last_written_level_nr;
9565
9566     return TRUE;
9567   }
9568
9569   if (!Request("This level is read-only! "
9570                "Save into personal level set?", REQ_ASK))
9571     return FALSE;
9572
9573   // "cd" to personal level set dir (for writing copy the first time)
9574   leveldir_current =
9575     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9576
9577   // this may happen if "setup.internal.create_user_levelset" is FALSE
9578   // or if file "levelinfo.conf" is missing in personal user level set
9579   if (leveldir_current == NULL)
9580   {
9581     Request("Cannot find personal level set?!", REQ_CONFIRM);
9582
9583     leveldir_current = leveldir_former;
9584
9585     return FALSE;
9586   }
9587
9588   // find unused level number
9589   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9590   {
9591     static char *level_filename = NULL;
9592
9593     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9594
9595     if (!fileExists(level_filename))
9596       break;
9597   }
9598
9599   last_copied_leveldir = leveldir_former;
9600   last_copied_level_nr = level_nr_former;
9601
9602   last_written_leveldir = leveldir_current;
9603   last_written_level_nr = level_nr = new_level_nr;
9604
9605   return TRUE;
9606 }
9607
9608 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9609 {
9610   static char *filename_levelinfo = NULL, *mod_name = NULL;
9611   FILE *file;
9612
9613   // annotate this copy-and-mod in personal levelinfo.conf
9614   setString(&filename_levelinfo,
9615             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9616
9617   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9618   {
9619     fprintf(file, "\n");
9620     fprintf(file, "# level %d was modified from:\n", level_nr);
9621     fprintf(file, "# - previous level set name:    %s\n",
9622             former_name);
9623     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9624             level.file_info.nr, level.name);
9625     fprintf(file, "# - previous author:            %s\n",
9626             level.author);
9627     fprintf(file, "# - previous save date:         ");
9628
9629     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9630     {
9631       fprintf(file, "%04d-%02d-%02d\n",
9632               level.creation_date.year,
9633               level.creation_date.month,
9634               level.creation_date.day);
9635     }
9636     else
9637     {
9638       fprintf(file, "not recorded\n");
9639     }
9640
9641     fclose(file);
9642   }
9643
9644   if (level_nr > leveldir_current->last_level)
9645     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9646
9647   // else: allow the save even if annotation failed
9648
9649   // now... spray graffiti on the old level vital statistics
9650   // user can change these; just trying to set a good baseline
9651
9652   // don't truncate names for fear of making offensive or silly:
9653   // long-named original author only recorded in levelinfo.conf.
9654   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9655   if (!strEqual(level.author, leveldir_current->author))
9656   {
9657     setString(&mod_name, getStringCat3(leveldir_current->author,
9658                                        " after ", level.author));
9659
9660     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9661       setString(&mod_name,
9662                 getStringCat2(leveldir_current->author, " (ed.)"));
9663
9664     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9665       setString(&mod_name, leveldir_current->author);
9666
9667     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9668
9669     // less worried about truncation here
9670     setString(&mod_name, getStringCat2("Mod: ", level.name));
9671     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9672   }
9673 }
9674
9675 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9676                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9677 {
9678   int x, y;
9679
9680   for (x = 0; x < lev_fieldx; x++)
9681     for (y = 0; y < lev_fieldy; y++)
9682       dst[x][y] = src[x][y];
9683 }
9684
9685 static int setSelectboxValue(int selectbox_id, int new_value)
9686 {
9687   int new_index_value = 0;
9688   int i;
9689
9690   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9691     if (selectbox_info[selectbox_id].options[i].value == new_value)
9692       new_index_value = i;
9693
9694   *selectbox_info[selectbox_id].value =
9695     selectbox_info[selectbox_id].options[new_index_value].value;
9696
9697   return new_index_value;
9698 }
9699
9700 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9701 {
9702   int i;
9703
9704   // change action mode and arg variables according to action type variable
9705   for (i = 0; action_arg_options[i].value != -1; i++)
9706   {
9707     if (action_arg_options[i].value == custom_element_change.action_type)
9708     {
9709       int mode = action_arg_options[i].mode;
9710
9711       // only change if corresponding selectbox has changed
9712       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9713           action_arg_modes[mode])
9714         custom_element_change.action_mode = -1;
9715
9716       // only change if corresponding selectbox has changed
9717       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9718           action_arg_options[i].options)
9719         custom_element_change.action_arg = -1;
9720
9721       break;
9722     }
9723   }
9724 }
9725
9726 static void setSelectboxSpecialActionOptions(void)
9727 {
9728   int i;
9729
9730   // change action mode and arg selectbox according to action type selectbox
9731   for (i = 0; action_arg_options[i].value != -1; i++)
9732   {
9733     if (action_arg_options[i].value == custom_element_change.action_type)
9734     {
9735       int mode = action_arg_options[i].mode;
9736
9737       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9738                                    action_arg_modes[mode]);
9739       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9740                                  custom_element_change.action_mode);
9741
9742       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9743                                    action_arg_options[i].options);
9744       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9745                                  custom_element_change.action_arg);
9746       break;
9747     }
9748   }
9749 }
9750
9751 static void copy_custom_element_settings(int element_from, int element_to)
9752 {
9753   struct ElementInfo *ei_from = &element_info[element_from];
9754   struct ElementInfo *ei_to = &element_info[element_to];
9755
9756   copyElementInfo(ei_from, ei_to);
9757 }
9758
9759 static void replace_custom_element_in_settings(int element_from,
9760                                                int element_to)
9761 {
9762   int i, j, x, y;
9763
9764   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9765   {
9766     struct ElementInfo *ei = &element_info[i];
9767
9768     for (y = 0; y < 3; y++)
9769       for (x = 0; x < 3; x++)
9770         if (ei->content.e[x][y] == element_from)
9771           ei->content.e[x][y] = element_to;
9772
9773     for (j = 0; j < ei->num_change_pages; j++)
9774     {
9775       struct ElementChangeInfo *change = &ei->change_page[j];
9776
9777       if (change->target_element == element_from)
9778         change->target_element = element_to;
9779
9780       if (change->initial_trigger_element == element_from)
9781         change->initial_trigger_element = element_to;
9782
9783       if (change->action_element == element_from)
9784         change->action_element = element_to;
9785
9786       for (y = 0; y < 3; y++)
9787         for (x = 0; x < 3; x++)
9788           if (change->target_content.e[x][y] == element_from)
9789             change->target_content.e[x][y] = element_to;
9790     }
9791
9792     if (ei->group != NULL)                              // group or internal
9793       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9794         if (ei->group->element[j] == element_from)
9795           ei->group->element[j] = element_to;
9796   }
9797 }
9798
9799 static void replace_custom_element_in_playfield(int element_from,
9800                                                 int element_to)
9801 {
9802   int x, y;
9803
9804   for (x = 0; x < lev_fieldx; x++)
9805     for (y = 0; y < lev_fieldy; y++)
9806       if (Tile[x][y] == element_from)
9807         Tile[x][y] = element_to;
9808 }
9809
9810 static boolean CopyCustomElement(int element_old, int element_new,
9811                                  int copy_mode)
9812 {
9813   int copy_mode_orig = copy_mode;
9814
9815   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9816   {
9817     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9818                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9819     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9820   }
9821   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9822   {
9823     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9824                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9825     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9826
9827     level.changed = TRUE;
9828   }
9829   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9830   {
9831     Request("Please choose custom element!", REQ_CONFIRM);
9832
9833     return FALSE;
9834   }
9835   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9836   {
9837     Request("Please choose group element!", REQ_CONFIRM);
9838
9839     return FALSE;
9840   }
9841   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9842   {
9843     Request("Please choose empty element!", REQ_CONFIRM);
9844
9845     return FALSE;
9846   }
9847   else
9848   {
9849     level.changed = TRUE;
9850   }
9851
9852   // when modifying custom/group element, ask for copying level template
9853   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9854   {
9855     if (!AskToCopyAndModifyLevelTemplate())
9856       return FALSE;
9857   }
9858
9859   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9860   {
9861     copy_custom_element_settings(element_new, element_old);
9862   }
9863   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9864   {
9865     copy_custom_element_settings(element_old, element_new);
9866   }
9867   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9868   {
9869     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9870     copy_custom_element_settings(element_new, element_old);
9871     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9872
9873     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9874     replace_custom_element_in_settings(element_new, element_old);
9875     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9876
9877     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9878     replace_custom_element_in_playfield(element_new, element_old);
9879     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9880   }
9881
9882   UpdateCustomElementGraphicGadgets();
9883   DrawPropertiesWindow();
9884
9885   return TRUE;
9886 }
9887
9888 static void CopyCustomElementPropertiesToEditor(int element)
9889 {
9890   int i;
9891   int current_change_page = element_info[element].current_change_page;
9892
9893   // dynamically (re)build selectbox for selecting change page
9894   for (i = 0; i < element_info[element].num_change_pages; i++)
9895   {
9896     sprintf(options_change_page_strings[i], "%d", i + 1);
9897
9898     options_change_page[i].value = i;
9899     options_change_page[i].text = options_change_page_strings[i];
9900   }
9901
9902   options_change_page[i].value = -1;
9903   options_change_page[i].text = NULL;
9904
9905   // needed here to initialize combined element properties
9906   InitElementPropertiesEngine(level.game_version);
9907
9908   element_info[element].change =
9909     &element_info[element].change_page[current_change_page];
9910
9911   custom_element = element_info[element];
9912   custom_element_change = *element_info[element].change;
9913
9914   // needed to initially set selectbox options for special action options
9915   setSelectboxSpecialActionOptions();
9916
9917   // needed to initially set selectbox value variables to reliable defaults
9918   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9919     setSelectboxValue(i, *selectbox_info[i].value);
9920
9921   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9922     custom_element_properties[i] = HAS_PROPERTY(element, i);
9923
9924   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9925     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9926
9927   // ---------- element settings: configure (custom elements) -----------------
9928
9929   // set accessible layer selectbox help value
9930   custom_element.access_type =
9931     (IS_WALKABLE(element) ? EP_WALKABLE :
9932      IS_PASSABLE(element) ? EP_PASSABLE :
9933      custom_element.access_type);
9934   custom_element.access_layer =
9935     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9936      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9937      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9938      custom_element.access_layer);
9939   custom_element.access_protected =
9940     (IS_PROTECTED(element) ? 1 : 0);
9941   custom_element_properties[EP_ACCESSIBLE] =
9942     (IS_ACCESSIBLE_OVER(element) ||
9943      IS_ACCESSIBLE_INSIDE(element) ||
9944      IS_ACCESSIBLE_UNDER(element));
9945
9946   // set walk-to-object action selectbox help value
9947   custom_element.walk_to_action =
9948     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9949      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9950      IS_DROPPABLE(element) ? EP_DROPPABLE :
9951      IS_THROWABLE(element) ? EP_THROWABLE :
9952      IS_PUSHABLE(element) ? EP_PUSHABLE :
9953      custom_element.walk_to_action);
9954   custom_element_properties[EP_WALK_TO_OBJECT] =
9955     (IS_DIGGABLE(element) ||
9956      IS_COLLECTIBLE_ONLY(element) ||
9957      IS_DROPPABLE(element) ||
9958      IS_THROWABLE(element) ||
9959      IS_PUSHABLE(element));
9960
9961   // set smash targets selectbox help value
9962   custom_element.smash_targets =
9963     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9964      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9965      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9966      custom_element.smash_targets);
9967   custom_element_properties[EP_CAN_SMASH] =
9968     (CAN_SMASH_EVERYTHING(element) ||
9969      CAN_SMASH_ENEMIES(element) ||
9970      CAN_SMASH_PLAYER(element));
9971
9972   // set deadliness selectbox help value
9973   custom_element.deadliness =
9974     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9975      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9976      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9977      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9978      custom_element.deadliness);
9979   custom_element_properties[EP_DEADLY] =
9980     (DONT_TOUCH(element) ||
9981      DONT_GET_HIT_BY(element) ||
9982      DONT_COLLIDE_WITH(element) ||
9983      DONT_RUN_INTO(element));
9984
9985   // ---------- element settings: advanced (custom elements) ------------------
9986
9987   // set "change by direct action" selectbox help value
9988   custom_element_change.direct_action =
9989     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9990      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9991      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9992      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9993      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9994      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9995      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9996      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9997      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9998      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9999      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
10000      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
10001      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
10002      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
10003      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
10004      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
10005      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
10006      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
10007      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
10008      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
10009      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
10010      custom_element_change.direct_action);
10011
10012   // set "change by other element action" selectbox help value
10013   custom_element_change.other_action =
10014     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
10015      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
10016      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
10017      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
10018      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
10019      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
10020      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
10021      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
10022      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
10023      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
10024      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
10025      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
10026      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
10027      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
10028      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
10029      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
10030      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
10031      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
10032      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
10033      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
10034      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
10035      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
10036      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
10037      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
10038      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
10039      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
10040      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
10041      custom_element_change.other_action);
10042 }
10043
10044 static void CopyGroupElementPropertiesToEditor(int element)
10045 {
10046   group_element_info = *element_info[element].group;
10047   custom_element = element_info[element];       // needed for description
10048 }
10049
10050 static void CopyEmptyElementPropertiesToEditor(int element)
10051 {
10052   custom_element = element_info[element];
10053 }
10054
10055 static void CopyClassicElementPropertiesToEditor(int element)
10056 {
10057   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10058     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
10059       getMoveIntoAcidProperty(&level, element);
10060
10061   if (MAYBE_DONT_COLLIDE_WITH(element))
10062     custom_element_properties[EP_DONT_COLLIDE_WITH] =
10063       getDontCollideWithProperty(&level, element);
10064 }
10065
10066 static void CopyElementPropertiesToEditor(int element)
10067 {
10068   if (IS_CUSTOM_ELEMENT(element))
10069     CopyCustomElementPropertiesToEditor(element);
10070   else if (IS_GROUP_ELEMENT(element))
10071     CopyGroupElementPropertiesToEditor(element);
10072   else if (IS_EMPTY_ELEMENT(element))
10073     CopyEmptyElementPropertiesToEditor(element);
10074   else
10075     CopyClassicElementPropertiesToEditor(element);
10076 }
10077
10078 static boolean AskToCopyAndModifyLevelTemplate(void)
10079 {
10080   if (Request("Copy and modify settings from level template?", REQ_ASK))
10081   {
10082     level.use_custom_template = FALSE;
10083
10084     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
10085                  GDI_CHECKED, FALSE, GDI_END);
10086     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
10087                  GDI_CHECKED, FALSE, GDI_END);
10088
10089     return TRUE;
10090   }
10091   else
10092   {
10093     LoadLevelTemplate(-1);      // this resets all element modifications ...
10094
10095     DrawEditModeWindow();       // ... and copies them to 'custom_element'
10096
10097     return FALSE;
10098   }
10099 }
10100
10101 static void CopyCustomElementPropertiesToGame(int element)
10102 {
10103   int i;
10104   int access_type_and_layer;
10105
10106   // mark that this custom element has been modified
10107   custom_element.modified_settings = TRUE;
10108   level.changed = TRUE;
10109
10110   if (level.use_custom_template)
10111     AskToCopyAndModifyLevelTemplate();
10112
10113   element_info[element] = custom_element;
10114   *element_info[element].change = custom_element_change;
10115
10116   // ---------- element settings: configure (custom elements) -----------------
10117
10118   // set accessible property from checkbox and selectbox
10119   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
10120   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
10121   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
10122   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
10123   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
10124   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
10125   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
10126                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
10127                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
10128   custom_element_properties[access_type_and_layer] =
10129     custom_element_properties[EP_ACCESSIBLE];
10130   custom_element_properties[EP_PROTECTED] =
10131     (custom_element.access_protected != 0 &&
10132      custom_element_properties[EP_ACCESSIBLE]);
10133
10134   // set walk-to-object property from checkbox and selectbox
10135   custom_element_properties[EP_DIGGABLE] = FALSE;
10136   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
10137   custom_element_properties[EP_DROPPABLE] = FALSE;
10138   custom_element_properties[EP_THROWABLE] = FALSE;
10139   custom_element_properties[EP_PUSHABLE] = FALSE;
10140   custom_element_properties[custom_element.walk_to_action] =
10141     custom_element_properties[EP_WALK_TO_OBJECT];
10142
10143   // set smash property from checkbox and selectbox
10144   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
10145   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
10146   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
10147   custom_element_properties[custom_element.smash_targets] =
10148     custom_element_properties[EP_CAN_SMASH];
10149
10150   // set deadliness property from checkbox and selectbox
10151   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
10152   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
10153   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
10154   custom_element_properties[EP_DONT_TOUCH] = FALSE;
10155   custom_element_properties[custom_element.deadliness] =
10156     custom_element_properties[EP_DEADLY];
10157
10158   // ---------- element settings: advanced (custom elements) ------------------
10159
10160   // set player change event from checkbox and selectbox
10161   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
10162   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
10163   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
10164   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
10165   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
10166   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
10167   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
10168   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
10169   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
10170   custom_element_change_events[CE_SWITCHED] = FALSE;
10171   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10172   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10173   custom_element_change_events[CE_BLOCKED] = FALSE;
10174   custom_element_change_events[CE_IMPACT] = FALSE;
10175   custom_element_change_events[CE_SMASHED] = FALSE;
10176   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10177   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10178   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10179   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10180   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10181   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10182   custom_element_change_events[custom_element_change.direct_action] =
10183     custom_element_change_events[CE_BY_DIRECT_ACTION];
10184
10185   // set other element action change event from checkbox and selectbox
10186   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10187   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10188   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10189   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10190   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10191   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10192   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10193   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10194   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10195   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10196   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10197   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10198   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10199   custom_element_change_events[CE_HITTING_X] = FALSE;
10200   custom_element_change_events[CE_DIGGING_X] = FALSE;
10201   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10202   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10203   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10204   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10205   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10206   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10207   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10208   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10209   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10210   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10211   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10212   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10213   custom_element_change_events[custom_element_change.other_action] =
10214     custom_element_change_events[CE_BY_OTHER_ACTION];
10215
10216   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10217     SET_PROPERTY(element, i, custom_element_properties[i]);
10218
10219   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10220     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10221
10222   // copy change events also to special level editor variable
10223   custom_element = element_info[element];
10224   custom_element_change = *element_info[element].change;
10225
10226   // needed here to restore runtime value "element_info[element].gfx_element"
10227   InitElementPropertiesGfxElement();
10228 }
10229
10230 static void CopyGroupElementPropertiesToGame(int element)
10231 {
10232   // mark that this group element has been modified
10233   custom_element.modified_settings = TRUE;
10234   level.changed = TRUE;
10235
10236   if (level.use_custom_template)
10237     AskToCopyAndModifyLevelTemplate();
10238
10239   element_info[element] = custom_element;
10240   *element_info[element].group = group_element_info;
10241
10242   // needed here to restore runtime value "element_info[element].gfx_element"
10243   InitElementPropertiesGfxElement();
10244 }
10245
10246 static void CopyEmptyElementPropertiesToGame(int element)
10247 {
10248   // mark that this empty element has been modified
10249   custom_element.modified_settings = TRUE;
10250   level.changed = TRUE;
10251
10252   if (level.use_custom_template)
10253     AskToCopyAndModifyLevelTemplate();
10254
10255   element_info[element] = custom_element;
10256
10257   // needed here to restore runtime value "element_info[element].gfx_element"
10258   InitElementPropertiesGfxElement();
10259 }
10260
10261 static void CopyClassicElementPropertiesToGame(int element)
10262 {
10263   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10264     setMoveIntoAcidProperty(&level, element,
10265                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10266
10267   if (MAYBE_DONT_COLLIDE_WITH(element))
10268     setDontCollideWithProperty(&level, element,
10269                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10270 }
10271
10272 static void CopyElementPropertiesToGame(int element)
10273 {
10274   if (IS_CUSTOM_ELEMENT(element))
10275     CopyCustomElementPropertiesToGame(element);
10276   else if (IS_GROUP_ELEMENT(element))
10277     CopyGroupElementPropertiesToGame(element);
10278   else if (IS_EMPTY_ELEMENT(element))
10279     CopyEmptyElementPropertiesToGame(element);
10280   else
10281     CopyClassicElementPropertiesToGame(element);
10282 }
10283
10284 #if DEBUG
10285 static void CheckElementDescriptions(void)
10286 {
10287   int i;
10288
10289   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10290     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10291       Warn("no element description file for element '%s'", EL_NAME(i));
10292 }
10293 #endif
10294
10295 static int getMaxEdFieldX(boolean has_scrollbar)
10296 {
10297   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10298   int sxsize = SXSIZE - scrollbar_width;
10299   int max_ed_fieldx = sxsize / ed_tilesize;
10300
10301   return max_ed_fieldx;
10302 }
10303
10304 static int getMaxEdFieldY(boolean has_scrollbar)
10305 {
10306   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10307                          INFOTEXT_YSIZE_FULL : 0);
10308   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10309   int sysize = SYSIZE - scrollbar_height - infotext_height;
10310   int max_ed_fieldy = sysize / ed_tilesize;
10311
10312   return max_ed_fieldy;
10313 }
10314
10315 static void InitZoomLevelSettings(int zoom_tilesize)
10316 {
10317   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10318
10319   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10320   {
10321     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10322     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10323
10324     // make sure that tile size is always a power of 2
10325     ed_tilesize = (1 << log_2(ed_tilesize));
10326
10327     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10328     {
10329       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10330       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10331     }
10332   }
10333
10334   last_game_engine_type = level.game_engine_type;
10335
10336   // limit zoom tilesize by upper and lower bound
10337   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10338
10339   // store zoom tilesize in auto setup file only if it was manually changed
10340   if (zoom_tilesize != -1)
10341     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10342
10343   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10344   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10345 }
10346
10347 static void InitDrawingElements(void)
10348 {
10349   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10350
10351   if (level.game_engine_type == game_engine_type_last)
10352     return;
10353
10354   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10355   {
10356     new_element1 = EL_BD_WALL;
10357     new_element2 = EL_EMPTY;
10358     new_element3 = EL_BD_SAND;
10359   }
10360   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10361   {
10362     new_element1 = EL_SP_CHIP_SINGLE;
10363     new_element2 = EL_EMPTY;
10364     new_element3 = EL_SP_BASE;
10365   }
10366   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10367   {
10368     new_element1 = EL_MM_MIRROR_START;
10369     new_element2 = EL_EMPTY;
10370     new_element3 = EL_MM_WOODEN_WALL;
10371   }
10372   else
10373   {
10374     new_element1 = EL_WALL;
10375     new_element2 = EL_EMPTY;
10376     new_element3 = EL_SAND;
10377   }
10378
10379   game_engine_type_last = level.game_engine_type;
10380 }
10381
10382 static void InitLevelSetInfo(void)
10383 {
10384   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10385            "%s", leveldir_current->name);
10386   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10387            "%s", leveldir_current->author);
10388
10389   levelset_num_levels = leveldir_current->levels;
10390
10391   levelset_use_levelset_artwork = FALSE;
10392   levelset_copy_level_template = FALSE;
10393
10394   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10395 }
10396
10397 static void ChangeEditorToLevelSet(char *levelset_subdir)
10398 {
10399   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10400
10401   // the previous level set might have used custom artwork
10402   ReloadCustomArtwork(0);
10403
10404   LoadLevelSetup_SeriesInfo();
10405
10406   SaveLevelSetup_LastSeries();
10407   SaveLevelSetup_SeriesInfo();
10408
10409   TapeErase();
10410
10411   LoadLevel(level_nr);
10412   LoadScore(level_nr);
10413
10414   DrawLevelEd();
10415 }
10416
10417 static boolean useEditorDoorAnimation(void)
10418 {
10419   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10420   boolean door_1_viewport_unchanged =
10421     (vp_door_1->x      == DX     &&
10422      vp_door_1->y      == DY     &&
10423      vp_door_1->width  == DXSIZE &&
10424      vp_door_1->height == DYSIZE);
10425   boolean door_1_contains_toolbox =
10426     (EX >= DX &&
10427      EY >= DY &&
10428      EX + EXSIZE <= DX + DXSIZE &&
10429      EY + EYSIZE <= DY + DYSIZE);
10430
10431   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10432 }
10433
10434 static void DrawEditorDoorBackground(int graphic, int x, int y,
10435                                      int width, int height)
10436 {
10437   struct GraphicInfo *g = &graphic_info[graphic];
10438
10439   if (g->bitmap != NULL)
10440     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10441                MIN(width, g->width), MIN(height, g->height), x, y);
10442   else
10443     ClearRectangle(drawto, x, y, width, height);
10444 }
10445
10446 static void DrawEditorDoorContent(void)
10447 {
10448   // needed for gadgets drawn on background (like palette scrollbar)
10449   SetDoorBackgroundImage(IMG_UNDEFINED);
10450
10451   // copy default editor door content to main double buffer
10452   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10453
10454   // draw bigger door
10455   DrawSpecialEditorDoor();
10456
10457   // draw new control window
10458   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10459
10460   // draw all toolbox gadgets to editor doors
10461   MapControlButtons();
10462
10463   // when returning from test game to properties page, redraw toolbox gadgets
10464   if (edit_mode == ED_MODE_PROPERTIES)
10465   {
10466     UnmapLevelEditorToolboxDrawingGadgets();
10467     UnmapLevelEditorToolboxCustomGadgets();
10468
10469     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10470   }
10471
10472   // draw all palette gadgets to editor doors
10473   ModifyEditorElementList();
10474   RedrawDrawingElements();
10475
10476   // copy actual editor door content to door double buffer for OpenDoor()
10477   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10478 }
10479
10480 void DrawLevelEd(void)
10481 {
10482   int fade_mask = REDRAW_FIELD;
10483
10484   FadeSoundsAndMusic();
10485
10486   if (CheckFadeAll())
10487     fade_mask = REDRAW_ALL;
10488
10489   FadeOut(fade_mask);
10490
10491   // needed if different viewport properties defined for editor
10492   ChangeViewportPropertiesIfNeeded();
10493
10494   ClearField();
10495
10496   InitZoomLevelSettings(-1);
10497   InitDrawingElements();
10498   InitLevelSetInfo();
10499
10500 #if DEBUG
10501   CheckElementDescriptions();
10502 #endif
10503
10504   if (level_editor_test_game)
10505   {
10506     CopyPlayfield(level.field, Tile);
10507     CopyPlayfield(TileBackup, level.field);
10508
10509     level_editor_test_game = FALSE;
10510   }
10511   else
10512   {
10513     edit_mode = ED_MODE_DRAWING;
10514     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10515     edit_mode_engineconfig = ED_MODE_ENGINECONFIG_CONFIG;
10516     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10517
10518     ResetUndoBuffer();
10519
10520     level_xpos = -1;
10521     level_ypos = -1;
10522   }
10523
10524   // redraw_mask |= REDRAW_ALL;
10525
10526   FreeLevelEditorGadgets();
10527   CreateLevelEditorGadgets();
10528
10529   ReinitializeElementList();            // update dynamic level element list
10530   ReinitializeElementListButtons();     // custom element may look different
10531
10532   InitElementPropertiesGfxElement();
10533
10534   UnmapAllGadgets();
10535
10536   DrawEditModeWindow_PlayfieldOnly();
10537
10538   DrawMaskedBorder(fade_mask);
10539
10540   // use door animation if door 1 viewport is unchanged and contains toolbox
10541   if (useEditorDoorAnimation())
10542   {
10543     FadeIn(fade_mask);
10544
10545     DrawEditorDoorContent();
10546
10547     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10548   }
10549   else
10550   {
10551     DrawEditorDoorContent();
10552
10553     FadeIn(fade_mask);
10554   }
10555
10556   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10557 }
10558
10559 static void AdjustDrawingAreaGadgets(void)
10560 {
10561   int ed_xsize = lev_fieldx + 2;
10562   int ed_ysize = lev_fieldy + 2;
10563   int max_ed_fieldx = MAX_ED_FIELDX;
10564   int max_ed_fieldy = MAX_ED_FIELDY;
10565   boolean horizontal_scrollbar_needed;
10566   boolean vertical_scrollbar_needed;
10567   int x, y, width, height;
10568
10569   if (suppressBorderElement())
10570   {
10571     ed_xsize = lev_fieldx;
10572     ed_ysize = lev_fieldy;
10573   }
10574
10575   // check if we need any scrollbars
10576   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10577   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10578
10579   // check if we have a smaller editor field because of scrollbars
10580   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10581   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10582
10583   // check again if we now need more scrollbars because of less space
10584   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10585   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10586
10587   // check if editor field gets even smaller after adding new scrollbars
10588   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10589   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10590
10591   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10592   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10593
10594   x = SX + ed_fieldx * ed_tilesize;
10595   y = SY + ed_fieldy * ed_tilesize;
10596
10597   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10598   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10599
10600   // adjust drawing area gadget
10601   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10602                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10603                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10604                GDI_END);
10605
10606   // adjust horizontal scrollbar gadgets
10607   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10608                GDI_Y, y,
10609                GDI_END);
10610   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10611                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10612                GDI_Y, y,
10613                GDI_END);
10614   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10615                GDI_Y, y,
10616                GDI_WIDTH, width,
10617                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10618                GDI_END);
10619
10620   // adjust vertical scrollbar gadgets
10621   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10622                GDI_X, x,
10623                GDI_END);
10624   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10625                GDI_X, x,
10626                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10627                GDI_END);
10628   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10629                GDI_X, x,
10630                GDI_HEIGHT, height,
10631                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10632                GDI_END);
10633 }
10634
10635 static void AdjustLevelScrollPosition(void)
10636 {
10637   if (level_xpos < -1)
10638     level_xpos = -1;
10639   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10640     level_xpos = lev_fieldx - ed_fieldx + 1;
10641   if (lev_fieldx < ed_fieldx - 2)
10642     level_xpos = -1;
10643
10644   if (level_ypos < -1)
10645     level_ypos = -1;
10646   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10647     level_ypos = lev_fieldy - ed_fieldy + 1;
10648   if (lev_fieldy < ed_fieldy - 2)
10649     level_ypos = -1;
10650
10651   if (suppressBorderElement())
10652   {
10653     level_xpos = 0;
10654     level_ypos = 0;
10655   }
10656 }
10657
10658 static void AdjustEditorScrollbar(int id)
10659 {
10660   struct GadgetInfo *gi = level_editor_gadget[id];
10661   int items_max, items_visible, item_position;
10662
10663   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10664   {
10665     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10666     items_visible = ed_fieldx;
10667     item_position = level_xpos + 1;
10668   }
10669   else
10670   {
10671     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10672     items_visible = ed_fieldy;
10673     item_position = level_ypos + 1;
10674   }
10675
10676   if (item_position > items_max - items_visible)
10677     item_position = items_max - items_visible;
10678
10679   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10680                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10681 }
10682
10683 static void AdjustElementListScrollbar(void)
10684 {
10685   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10686   int items_max, items_visible, item_position;
10687
10688   // correct position of element list scrollbar
10689   if (element_shift < 0)
10690     element_shift = 0;
10691   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10692     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10693
10694   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10695   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10696   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10697
10698   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10699                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10700                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10701 }
10702
10703 static void ModifyEditorCounterValue(int counter_id, int new_value)
10704 {
10705   int *counter_value = counterbutton_info[counter_id].value;
10706   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10707   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10708
10709   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10710
10711   if (counter_value != NULL)
10712     *counter_value = gi->textinput.number_value;
10713 }
10714
10715 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10716 {
10717   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10718   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10719
10720   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10721
10722   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10723       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10724   {
10725     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10726     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10727
10728     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10729     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10730                  GDI_END);
10731   }
10732 }
10733
10734 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10735 {
10736   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10737   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10738   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10739
10740   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10741 }
10742
10743 static void ModifyEditorSelectboxOptions(int selectbox_id,
10744                                          struct ValueTextInfo *options)
10745 {
10746   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10747   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10748
10749   selectbox_info[selectbox_id].options = options;
10750
10751   // set index to zero -- list may be shorter now (correct later, if needed)
10752   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10753                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10754 }
10755
10756 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10757 {
10758   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10759   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10760
10761   drawingarea_info[drawingarea_id].area_xsize = xsize;
10762   drawingarea_info[drawingarea_id].area_ysize = ysize;
10763
10764   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10765 }
10766
10767 static void ModifyEditorElementList(void)
10768 {
10769   int i;
10770
10771   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10772     return;
10773
10774   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10775   {
10776     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10777     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10778     struct GadgetDesign *gd = &gi->deco.design;
10779     int element = editor_elements[element_shift + i];
10780     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10781
10782     UnmapGadget(gi);
10783
10784     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10785
10786     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10787
10788     MapGadget(gi);
10789   }
10790 }
10791
10792 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10793 {
10794   int graphic = el2edimg(element);
10795   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10796
10797   if (pos->x == -1 &&
10798       pos->y == -1)
10799     return;
10800
10801   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10802 }
10803
10804 static void ModifyDrawingElementButton(int element, int id)
10805 {
10806   struct GadgetInfo *gi = level_editor_gadget[id];
10807   Bitmap *deco_bitmap;
10808   int deco_x, deco_y;
10809   int tile_size = gi->deco.width;
10810
10811   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10812
10813   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10814 }
10815
10816 static void PickDrawingElement(int button, int element)
10817 {
10818   struct
10819   {
10820     int *new_element;
10821     struct XYTileSize *pos;
10822     int id;
10823   } de, drawing_elements[] =
10824   {
10825     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10826     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10827     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10828   };
10829
10830   if (button < 1 || button > 3)
10831     return;
10832
10833   if (IS_MM_WALL(element))
10834     element = map_mm_wall_element(element);
10835
10836   de = drawing_elements[button - 1];
10837
10838   *de.new_element = element;    // update global drawing element variable
10839
10840   DrawDrawingElementGraphic(element, de.pos);
10841   ModifyDrawingElementButton(element, de.id);
10842
10843   redraw_mask |= REDRAW_DOOR_1;
10844 }
10845
10846 static void RedrawDrawingElements(void)
10847 {
10848   PickDrawingElement(1, new_element1);
10849   PickDrawingElement(2, new_element2);
10850   PickDrawingElement(3, new_element3);
10851 }
10852
10853 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10854 {
10855   stick_element_properties_window = FALSE;
10856
10857   SetMainBackgroundImage(IMG_UNDEFINED);
10858   ClearField();
10859
10860   UnmapLevelEditorFieldGadgets();
10861
10862   AdjustDrawingAreaGadgets();
10863   AdjustLevelScrollPosition();
10864   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10865   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10866
10867   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10868
10869   MapMainDrawingArea();
10870
10871   if (remap_toolbox_gadgets)
10872   {
10873     UnmapLevelEditorToolboxCustomGadgets();
10874     MapLevelEditorToolboxDrawingGadgets();
10875   }
10876 }
10877
10878 static void DrawDrawingWindow(void)
10879 {
10880   DrawDrawingWindowExt(TRUE);
10881 }
10882
10883 static int getTabulatorBarWidth(void)
10884 {
10885   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10886   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10887
10888   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10889 }
10890
10891 static int getTabulatorBarHeight(void)
10892 {
10893   return ED_TAB_BAR_HEIGHT;
10894 }
10895
10896 static Pixel getTabulatorBarColor(void)
10897 {
10898   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10899   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10900   int gd_x = gd->x + gd_gi1->border.width / 2;
10901   int gd_y = gd->y + gd_gi1->height - 1;
10902
10903   return GetPixel(gd->bitmap, gd_x, gd_y);
10904 }
10905
10906 static void DrawEngineConfigTabulatorGadgets(void)
10907 {
10908   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_ENGINECONFIG_CONFIG];
10909   Pixel tab_color = getTabulatorBarColor();
10910   int id_first = ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG;
10911   int id_last  = ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS;
10912   int i;
10913
10914   for (i = id_first; i <= id_last; i++)
10915   {
10916     int gadget_id = textbutton_info[i].gadget_id;
10917     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10918     boolean active = (i != edit_mode_engineconfig);
10919
10920     // draw background line below tabulator button
10921     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10922
10923     // draw solid line below inactive tabulator buttons
10924     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10925       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10926                     ED_GADGET_TINY_DISTANCE, tab_color);
10927
10928     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10929     MapTextbuttonGadget(i);
10930   }
10931
10932   // draw little border line below tabulator buttons
10933   if (tab_color != BLACK_PIXEL)                 // black => transparent
10934     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10935                   ED_GADGET_TINY_DISTANCE,
10936                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10937 }
10938
10939 static void DrawLevelConfigTabulatorGadgets(void)
10940 {
10941   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10942   Pixel tab_color = getTabulatorBarColor();
10943   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10944   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10945   int i;
10946
10947   // draw additional "engine" tabulator when using native BD engine
10948   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10949     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10950
10951   for (i = id_first; i <= id_last; i++)
10952   {
10953     int gadget_id = textbutton_info[i].gadget_id;
10954     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10955     boolean active = (i != edit_mode_levelconfig);
10956
10957     // draw background line below tabulator button
10958     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10959
10960     // draw solid line below inactive tabulator buttons
10961     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10962       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10963                     ED_GADGET_TINY_DISTANCE, tab_color);
10964
10965     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10966     MapTextbuttonGadget(i);
10967   }
10968
10969   // draw little border line below tabulator buttons
10970   if (tab_color != BLACK_PIXEL)                 // black => transparent
10971     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10972                   ED_GADGET_TINY_DISTANCE,
10973                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10974
10975   // draw second row of engine related tabulators when using native BD engine
10976   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10977     DrawEngineConfigTabulatorGadgets();
10978 }
10979
10980 static void DrawPropertiesTabulatorGadgets(void)
10981 {
10982   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10983   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10984   int gd_x = gd->x + gd_gi1->border.width / 2;
10985   int gd_y = gd->y + gd_gi1->height - 1;
10986   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10987   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10988   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10989   int i;
10990
10991   // draw two config tabulators for player elements
10992   if (IS_PLAYER_ELEMENT(properties_element))
10993     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10994
10995   // draw two config and one "change" tabulator for custom elements
10996   if (IS_CUSTOM_ELEMENT(properties_element))
10997     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10998
10999   for (i = id_first; i <= id_last; i++)
11000   {
11001     int gadget_id = textbutton_info[i].gadget_id;
11002     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11003     boolean active = (i != edit_mode_properties);
11004
11005     // use "config 1" and "config 2" instead of "config" for players and CEs
11006     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
11007         (IS_PLAYER_ELEMENT(properties_element) ||
11008          IS_CUSTOM_ELEMENT(properties_element)))
11009       continue;
11010
11011     // draw background line below tabulator button
11012     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11013
11014     // draw solid line below inactive tabulator buttons
11015     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11016       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11017                     ED_GADGET_TINY_DISTANCE, tab_color);
11018
11019     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11020     MapTextbuttonGadget(i);
11021   }
11022
11023   // draw little border line below tabulator buttons
11024   if (tab_color != BLACK_PIXEL)                 // black => transparent
11025     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11026                   ED_GADGET_TINY_DISTANCE,
11027                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11028 }
11029
11030 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
11031 {
11032   DrawText(SX + xpos, SY + ypos, text, font_nr);
11033 }
11034
11035 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
11036                                            int xpos, int ypos)
11037 {
11038   int font_width = getFontWidth(font_nr);
11039   int font_height = getFontHeight(font_nr);
11040   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
11041   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
11042
11043   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
11044                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
11045                       TRUE, FALSE, FALSE);
11046 }
11047
11048 static void DrawLevelConfigLevel(void)
11049 {
11050   int i;
11051
11052   // draw counter gadgets
11053   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
11054     MapCounterButtons(i);
11055
11056   // draw checkbutton gadgets
11057   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
11058     MapCheckbuttonGadget(i);
11059
11060   // draw selectbox gadgets
11061   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
11062     MapSelectboxGadget(i);
11063
11064   // draw text input gadgets
11065   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
11066     MapTextInputGadget(i);
11067 }
11068
11069 static char *getLevelSubdirFromSaveMode(int save_mode)
11070 {
11071   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
11072     return getNewUserLevelSubdir();
11073
11074   return leveldir_current->subdir;
11075 }
11076
11077 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
11078 {
11079   char *directory_text = "Level set directory:";
11080   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
11081   int font1_nr = FONT_TEXT_1;
11082   int font2_nr = FONT_TEXT_2;
11083   int font1_height = getFontHeight(font1_nr);
11084   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
11085   int x = ED_LEVEL_SETTINGS_X(0);
11086   int y = ED_LEVEL_SETTINGS_Y(6);
11087
11088   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
11089   PrintInfoText(directory_name, font2_nr, x, y);
11090 }
11091
11092 static void DrawLevelConfigLevelSet(void)
11093 {
11094   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
11095   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
11096   int i;
11097
11098   // draw counter gadgets
11099   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
11100     MapCounterButtons(i);
11101
11102   // draw checkbutton gadgets
11103   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
11104   {
11105     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
11106         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
11107         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
11108       continue;
11109
11110     MapCheckbuttonGadget(i);
11111   }
11112
11113   // draw selectbox gadgets
11114   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
11115     MapSelectboxGadget(i);
11116
11117   // draw text input gadgets
11118   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
11119     MapTextInputGadget(i);
11120
11121   // draw textbutton gadgets
11122   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
11123
11124   // draw info text
11125   DrawLevelConfigLevelSet_DirectoryInfo();
11126 }
11127
11128 static void DrawLevelConfigEditor(void)
11129 {
11130   int i;
11131
11132   // draw counter gadgets
11133   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
11134     MapCounterButtons(i);
11135
11136   // draw checkbutton gadgets
11137   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
11138     MapCheckbuttonGadget(i);
11139
11140   // draw radiobutton gadgets
11141   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
11142     MapRadiobuttonGadget(i);
11143
11144   // draw drawing area
11145   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
11146
11147   // draw textbutton gadgets
11148   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
11149 }
11150
11151 static void DrawEngineConfigConfig(void)
11152 {
11153   int i;
11154
11155   // draw counter gadgets
11156   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
11157   {
11158     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
11159     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
11160   }
11161   else
11162   {
11163     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
11164     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
11165   }
11166
11167   // draw checkbutton gadgets
11168   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
11169     MapCheckbuttonGadget(i);
11170
11171   // draw selectbox gadgets
11172   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
11173     MapSelectboxGadget(i);
11174 }
11175
11176 static void DrawEngineConfigColors(void)
11177 {
11178   // (no settings yet)
11179 }
11180
11181 static void DrawLevelConfigEngine(void)
11182 {
11183   if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_CONFIG)
11184     DrawEngineConfigConfig();
11185   else if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_COLORS)
11186     DrawEngineConfigColors();
11187 }
11188
11189 static void DrawLevelConfigWindow(void)
11190 {
11191   char *text = "Global Settings";
11192   int font_nr = FONT_TITLE_1;
11193   struct MenuPosInfo *pos = &editor.settings.headline;
11194   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
11195   int sy = SY + pos->y;
11196
11197   stick_element_properties_window = FALSE;
11198
11199   SetAutomaticNumberOfGemsNeeded();
11200
11201   UnmapLevelEditorFieldGadgets();
11202
11203   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11204   ClearField();
11205
11206   DrawText(sx, sy, text, font_nr);
11207
11208   DrawLevelConfigTabulatorGadgets();
11209
11210   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
11211     DrawLevelConfigLevel();
11212   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
11213     DrawLevelConfigLevelSet();
11214   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
11215     DrawLevelConfigEditor();
11216   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11217     DrawLevelConfigEngine();
11218 }
11219
11220 static void DrawCustomContentArea(void)
11221 {
11222   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11223   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11224   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11225   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11226   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11227   int xoffset = ED_GADGET_SPACE_DISTANCE;
11228
11229   // add distance for potential left text (without drawing area border)
11230   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11231
11232   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11233
11234   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11235 }
11236
11237 static void DrawCustomChangeContentArea(void)
11238 {
11239   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11240   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11241   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11242   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11243   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11244   int xoffset = ED_GADGET_SPACE_DISTANCE;
11245
11246   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11247
11248   MapDrawingArea(id);
11249 }
11250
11251 static void RemoveElementContentArea(int id, int font_height)
11252 {
11253   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11254
11255   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11256                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11257                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11258                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11259                  ED_GADGET_TEXT_DISTANCE + font_height);
11260 }
11261
11262 static void DrawYamYamContentAreas(void)
11263 {
11264   int font_nr = FONT_TEXT_1;
11265   int font_height = getFontHeight(font_nr);
11266   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11267   int yoffset = (tilesize - font_height) / 2;
11268   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11269   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11270   int i;
11271
11272   // display counter to choose number of element content areas
11273   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11274
11275   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11276   {
11277     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11278
11279     if (i < level.num_yamyam_contents)
11280     {
11281       MapDrawingArea(id);
11282     }
11283     else
11284     {
11285       UnmapDrawingArea(id);
11286
11287       // delete content areas in case of reducing number of them
11288       RemoveElementContentArea(id, font_height);
11289     }
11290   }
11291
11292   DrawText(x, y + 0 * tilesize, "content", font_nr);
11293   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11294   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11295 }
11296
11297 static void DrawMagicBallContentAreas(void)
11298 {
11299   int font_nr = FONT_TEXT_1;
11300   int font_height = getFontHeight(font_nr);
11301   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11302   int yoffset = (tilesize - font_height) / 2;
11303   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11304   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11305   int i;
11306
11307   // display counter to choose number of element content areas
11308   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11309
11310   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11311   {
11312     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11313
11314     if (i < level.num_ball_contents)
11315     {
11316       MapDrawingArea(id);
11317     }
11318     else
11319     {
11320       UnmapDrawingArea(id);
11321
11322       // delete content areas in case of reducing number of them
11323       RemoveElementContentArea(id, font_height);
11324     }
11325   }
11326
11327   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11328   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11329   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11330 }
11331
11332 static void DrawAndroidElementArea(void)
11333 {
11334   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11335   int num_elements = level.num_android_clone_elements;
11336   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11337   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11338   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11339   int xsize = MAX_ANDROID_ELEMENTS;
11340   int ysize = 1;
11341
11342   // display counter to choose number of element areas
11343   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11344
11345   if (drawingarea_info[id].text_left != NULL)
11346     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11347
11348   UnmapDrawingArea(id);
11349
11350   ModifyEditorDrawingArea(id, num_elements, 1);
11351
11352   // delete content areas in case of reducing number of them
11353   DrawBackground(sx, sy,
11354                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11355                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11356
11357   MapDrawingArea(id);
11358 }
11359
11360 static void DrawGroupElementArea(void)
11361 {
11362   int id = ED_DRAWING_ID_GROUP_CONTENT;
11363   int num_elements = group_element_info.num_elements;
11364   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11365   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11366   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11367   int xsize = MAX_ELEMENTS_IN_GROUP;
11368   int ysize = 1;
11369
11370   if (drawingarea_info[id].text_left != NULL)
11371     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11372
11373   UnmapDrawingArea(id);
11374
11375   ModifyEditorDrawingArea(id, num_elements, 1);
11376
11377   // delete content areas in case of reducing number of them
11378   DrawBackground(sx, sy,
11379                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11380                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11381
11382   MapDrawingArea(id);
11383 }
11384
11385 static void DrawPlayerInitialInventoryArea(int element)
11386 {
11387   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11388   int player_nr = GET_PLAYER_NR(element);
11389   int num_elements = level.initial_inventory_size[player_nr];
11390   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11391   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11392   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11393   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11394   int ysize = 1;
11395
11396   // determine horizontal position to the right of specified gadget
11397   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11398     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11399           ED_DRAWINGAREA_TEXT_DISTANCE);
11400
11401   // determine horizontal offset for leading text
11402   if (drawingarea_info[id].text_left != NULL)
11403     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11404
11405   UnmapDrawingArea(id);
11406
11407   ModifyEditorDrawingArea(id, num_elements, 1);
11408
11409   // delete content areas in case of reducing number of them
11410   DrawBackground(sx, sy,
11411                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11412                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11413
11414   MapDrawingArea(id);
11415 }
11416
11417 static void DrawMMBallContentArea(void)
11418 {
11419   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11420   int num_elements = level.num_mm_ball_contents;
11421   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11422   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11423   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11424   int xsize = MAX_MM_BALL_CONTENTS;
11425   int ysize = 1;
11426
11427   if (drawingarea_info[id].text_left != NULL)
11428     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11429
11430   UnmapDrawingArea(id);
11431
11432   ModifyEditorDrawingArea(id, num_elements, 1);
11433
11434   // delete content areas in case of reducing number of them
11435   DrawBackground(sx, sy,
11436                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11437                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11438
11439   MapDrawingArea(id);
11440 }
11441
11442 static void DrawEnvelopeTextArea(int envelope_nr)
11443 {
11444   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11445   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11446
11447   UnmapGadget(gi);
11448
11449   DrawBackground(gi->x, gi->y,
11450                  gi->textarea.crop_width, gi->textarea.crop_height);
11451
11452   if (envelope_nr != -1)
11453     textarea_info[id].value = level.envelope[envelope_nr].text;
11454
11455   ModifyGadget(gi, GDI_AREA_SIZE,
11456                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11457                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11458                GDI_END);
11459
11460   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11461 }
11462
11463 static void DrawPropertiesInfo(void)
11464 {
11465   static struct
11466   {
11467     int value;
11468     char *text;
11469   }
11470   properties[] =
11471   {
11472     // configurable properties
11473
11474     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11475     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11476     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11477     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11478     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11479     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11480     { EP_PROTECTED,             "- player is protected by it"           },
11481
11482     { EP_DIGGABLE,              "- can be digged away"                  },
11483     { EP_COLLECTIBLE,           "- can be collected"                    },
11484     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11485     { EP_THROWABLE,             "- can be thrown after collecting"      },
11486     { EP_PUSHABLE,              "- can be pushed"                       },
11487
11488     { EP_CAN_FALL,              "- can fall"                            },
11489     { EP_CAN_MOVE,              "- can move"                            },
11490
11491     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11492 #if 0
11493     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11494 #endif
11495     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11496
11497     { EP_SLIPPERY,              "- slippery for falling elements"       },
11498     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11499
11500     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11501     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11502     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11503     { EP_DONT_TOUCH,            "- deadly when touching"                },
11504
11505     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11506
11507     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11508     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11509     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11510
11511     { EP_CAN_CHANGE,            "- can change to other element"         },
11512
11513     // pre-defined properties
11514     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11515     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11516     { EP_SWITCHABLE,            "- can be switched"                     },
11517 #if 0
11518     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11519 #endif
11520
11521     { -1,                       NULL                                    }
11522   };
11523   char *filename = getElementDescriptionFilename(properties_element);
11524   char *num_elements_text = "In this level: ";
11525   char *num_similar_text = "Similar tiles: ";
11526   char *properties_text = "Standard properties: ";
11527   char *description_text = "Description:";
11528   char *no_description_text = "No description available.";
11529   char *none_text = "None";
11530   float percentage;
11531   int num_elements_in_level = 0;
11532   int num_similar_in_level = 0;
11533   int num_hires_tiles_in_level = 0;
11534   int num_standard_properties = 0;
11535   int font1_nr = FONT_TEXT_1;
11536   int font2_nr = FONT_TEXT_2;
11537   int font1_width = getFontWidth(font1_nr);
11538   int font1_height = getFontHeight(font1_nr);
11539   int font2_height = getFontHeight(font2_nr);
11540   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11541   int font2_yoffset = (font1_height - font2_height) / 2;
11542   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11543   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11544   int properties_text_len = strlen(properties_text) * font1_width;
11545   int xpos = ED_ELEMENT_SETTINGS_X(0);
11546   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11547   int i, x, y;
11548
11549   if (setup.editor.show_element_token)
11550   {
11551     int font3_nr = FONT_TEXT_3;
11552     int font3_height = getFontHeight(font3_nr);
11553
11554     DrawTextF(xpos, ypos, font3_nr,
11555               "[%s]", element_info[properties_element].token_name);
11556
11557     ypos += 2 * font3_height;
11558   }
11559
11560   // ----- print number of elements / percentage of this element in level
11561
11562   for (y = 0; y < lev_fieldy; y++)
11563   {
11564     for (x = 0; x < lev_fieldx; x++)
11565     {
11566       if (Tile[x][y] == properties_element)
11567       {
11568         num_elements_in_level++;
11569       }
11570       else if (IS_MM_WALL(Tile[x][y]) &&
11571                map_mm_wall_element(Tile[x][y]) == properties_element)
11572       {
11573         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11574       }
11575     }
11576   }
11577
11578   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11579
11580   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11581
11582   if (num_hires_tiles_in_level > 0)
11583     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11584               "%d wall tiles", num_hires_tiles_in_level);
11585   else if (num_elements_in_level > 0)
11586     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11587               "%d (%.2f %%)", num_elements_in_level, percentage);
11588   else
11589     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11590               none_text);
11591
11592   // ----- print number of similar elements / percentage of them in level
11593
11594   for (y = 0; y < lev_fieldy; y++)
11595   {
11596     for (x = 0; x < lev_fieldx; x++)
11597     {
11598       if (strEqual(element_info[Tile[x][y]].class_name,
11599                    element_info[properties_element].class_name))
11600       {
11601         num_similar_in_level++;
11602       }
11603     }
11604   }
11605
11606   if (num_similar_in_level != num_elements_in_level)
11607   {
11608     ypos += 1 * MAX(font1_height, font2_height);
11609
11610     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11611
11612     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11613
11614     if (num_similar_in_level > 0)
11615       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11616                 "%d (%.2f %%)", num_similar_in_level, percentage);
11617     else
11618       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11619                 none_text);
11620   }
11621
11622   ypos += 2 * MAX(font1_height, font2_height);
11623
11624   // ----- print standard properties of this element
11625
11626   DrawTextS(xpos, ypos, font1_nr, properties_text);
11627
11628   ypos += line1_height;
11629
11630   for (i = 0; properties[i].value != -1; i++)
11631   {
11632     if (!HAS_PROPERTY(properties_element, properties[i].value))
11633       continue;
11634
11635     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11636
11637     ypos += font2_height;
11638
11639     num_standard_properties++;
11640   }
11641
11642   if (num_standard_properties == 0)
11643   {
11644     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11645               font2_nr, none_text);
11646
11647     ypos -= (line1_height - font1_height);
11648   }
11649
11650   ypos += MAX(font1_height, font2_height);
11651
11652   // ----- print special description of this element
11653
11654   PrintInfoText(description_text, font1_nr, xpos, ypos);
11655
11656   ypos += line1_height;
11657
11658   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11659     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11660 }
11661
11662 #define TEXT_COLLECTING                 "Score for collecting"
11663 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11664 #define TEXT_SMASHING                   "Score for smashing"
11665 #define TEXT_SLURPING                   "Score for slurping robot"
11666 #define TEXT_CRACKING                   "Score for cracking"
11667 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11668 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11669 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11670 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11671 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11672 #define TEXT_DURATION                   "Duration when activated"
11673 #define TEXT_DELAY_ON                   "Delay before activating"
11674 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11675 #define TEXT_DELAY_CHANGING             "Delay before changing"
11676 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11677 #define TEXT_DELAY_MOVING               "Delay before moving"
11678 #define TEXT_BALL_DELAY                 "Element generation delay"
11679 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11680 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11681 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11682 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11683 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11684 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11685 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11686 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11687 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11688 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11689 #define TEXT_RANDOM_SEED                "slime random number seed"
11690 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11691 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11692 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11693 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11694 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11695 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11696 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11697 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11698 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
11699
11700 static struct
11701 {
11702   int element;
11703   int *value;
11704   char *text;
11705   int min_value;
11706   int max_value;
11707 } elements_with_counter[] =
11708 {
11709   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11710   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11711   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11712   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11713   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11714   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11715   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11716   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11717   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11718   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11719   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11720   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11721   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11722   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11723   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11724   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11725   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11726   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11727   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11728   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11729   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11730   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11731   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11732   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11733   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11734   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11735   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11736   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11737   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11738   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11739   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11740   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11741   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11742   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11743   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11744   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11745   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11746   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11747   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11748   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11749   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11750   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11751   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11752   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11753   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11754   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11755   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11756   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11757   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11758   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11759   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11760   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11761   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11762   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11763   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11764   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11765   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11766   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11767   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11768   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11769   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11770   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11771   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11772   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11773   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11774   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11775   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11776   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11777   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11778   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11779   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11780   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11781   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11782   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11783   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11784   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11785   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11786   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11787   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11788   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11789   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11790   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11791   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11792                                 0, 100                                                          },
11793   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11794                                 0, 100                                                          },
11795   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11796   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11797   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11798                                 0, 100                                                          },
11799   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11800                                 0, 100                                                          },
11801   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11802   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11803   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11804   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11805   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11806   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11807   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11808   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11809   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11810   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11811   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11812                                 -100, 100                                                       },
11813   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11814                                 0, 100                                                          },
11815   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11816                                 0, 100                                                          },
11817   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11818                                 0, 255                                                          },
11819   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11820                                 -1, 65535                                                       },
11821   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11822                                 0, 100                                                          },
11823   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11824                                 0, 3                                                            },
11825   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11826                                 0, 3                                                            },
11827   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11828                                 0, 3                                                            },
11829   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11830                                 0, 3                                                            },
11831   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11832                                 0, 3                                                            },
11833   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11834                                 0, 100                                                          },
11835   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11836                                 1, 100                                                          },
11837   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11838                                 1, 200                                                          },
11839   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11840                                 0, 50                                                           },
11841   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11842                                 0, 50                                                           },
11843   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11844                                 0, 10                                                           },
11845   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
11846   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
11847                                 1, 60                                                           },
11848   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11849   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11850   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11851   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11852   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11853   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11854   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11855   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11856   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11857   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11858   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11859   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11860   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11861   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11862   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11863   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11864   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11865   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11866   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11867   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11868   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11869   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11870   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11871   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11872   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11873
11874   { -1,                         NULL,                                   NULL                    }
11875 };
11876
11877 static boolean checkPropertiesConfig(int element)
11878 {
11879   int i;
11880
11881   // special case: empty space customization only available in R'n'D game engine
11882   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11883     return FALSE;
11884
11885   // special case: BD style rock customization only available in BD game engine
11886   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11887     return FALSE;
11888
11889   if (IS_GEM(element) ||
11890       IS_CUSTOM_ELEMENT(element) ||
11891       IS_GROUP_ELEMENT(element) ||
11892       IS_EMPTY_ELEMENT(element) ||
11893       IS_BALLOON_ELEMENT(element) ||
11894       IS_ENVELOPE(element) ||
11895       IS_MM_ENVELOPE(element) ||
11896       IS_MM_MCDUFFIN(element) ||
11897       IS_DF_LASER(element) ||
11898       IS_PLAYER_ELEMENT(element) ||
11899       IS_BD_PLAYER_ELEMENT(element) ||
11900       IS_BD_FIREFLY(properties_element) ||
11901       IS_BD_FIREFLY_2(properties_element) ||
11902       IS_BD_BUTTERFLY(properties_element) ||
11903       IS_BD_BUTTERFLY_2(properties_element) ||
11904       IS_BD_STONEFLY(properties_element) ||
11905       IS_BD_DRAGONFLY(properties_element) ||
11906       IS_BD_EXPANDABLE_WALL(properties_element) ||
11907       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11908       IS_BD_CONVEYOR_BELT(properties_element) ||
11909       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11910       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11911       HAS_EDITOR_CONTENT(element) ||
11912       CAN_GROW(element) ||
11913       COULD_MOVE_INTO_ACID(element) ||
11914       MAYBE_DONT_COLLIDE_WITH(element) ||
11915       element == EL_BD_SAND ||
11916       element == EL_BD_ROCK ||
11917       element == EL_BD_MEGA_ROCK ||
11918       element == EL_BD_BOMB ||
11919       element == EL_BD_ROCKET_LAUNCHER ||
11920       element == EL_BD_NITRO_PACK ||
11921       element == EL_BD_SWEET ||
11922       element == EL_BD_VOODOO_DOLL ||
11923       element == EL_BD_WATER ||
11924       element == EL_BD_GRAVITY_SWITCH)
11925   {
11926     return TRUE;
11927   }
11928   else
11929   {
11930     for (i = 0; elements_with_counter[i].element != -1; i++)
11931       if (elements_with_counter[i].element == element)
11932         return TRUE;
11933   }
11934
11935   return FALSE;
11936 }
11937
11938 static void SetAutomaticNumberOfGemsNeeded(void)
11939 {
11940   int x, y;
11941
11942   if (!level.auto_count_gems)
11943     return;
11944
11945   level.gems_needed = 0;
11946
11947   for (x = 0; x < lev_fieldx; x++)
11948   {
11949     for (y = 0; y < lev_fieldy; y++)
11950     {
11951       int element = Tile[x][y];
11952
11953       switch (element)
11954       {
11955         case EL_EMERALD:
11956         case EL_EMERALD_YELLOW:
11957         case EL_EMERALD_RED:
11958         case EL_EMERALD_PURPLE:
11959         case EL_BD_DIAMOND:
11960         case EL_WALL_EMERALD:
11961         case EL_WALL_EMERALD_YELLOW:
11962         case EL_WALL_EMERALD_RED:
11963         case EL_WALL_EMERALD_PURPLE:
11964         case EL_WALL_BD_DIAMOND:
11965         case EL_NUT:
11966         case EL_SP_INFOTRON:
11967         case EL_MM_KETTLE:
11968         case EL_DF_CELL:
11969           level.gems_needed++;
11970           break;
11971
11972         case EL_DIAMOND:
11973         case EL_WALL_DIAMOND:
11974           level.gems_needed += 3;
11975           break;
11976
11977         case EL_PEARL:
11978         case EL_WALL_PEARL:
11979           level.gems_needed += 5;
11980           break;
11981
11982         case EL_CRYSTAL:
11983         case EL_WALL_CRYSTAL:
11984           level.gems_needed += 8;
11985           break;
11986
11987         default:
11988           break;
11989       }
11990     }
11991   }
11992
11993   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11994 }
11995
11996 static void DrawPropertiesConfig(void)
11997 {
11998   boolean draw_footer_line = FALSE;
11999   int max_num_element_counters = 4;
12000   int num_element_counters = 0;
12001   int i;
12002
12003   if (!checkPropertiesConfig(properties_element))
12004   {
12005     int xpos = ED_ELEMENT_SETTINGS_X(0);
12006     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
12007
12008     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
12009
12010     return;
12011   }
12012
12013   // check if there are elements where a value can be chosen for
12014   for (i = 0; elements_with_counter[i].element != -1; i++)
12015   {
12016     if (elements_with_counter[i].element != properties_element)
12017       continue;
12018
12019     // special case: score for extra diamonds only available in BD game engine
12020     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
12021         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
12022         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12023       continue;
12024
12025     // special case: some amoeba counters only available in BD game engine
12026     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12027         elements_with_counter[i].value != &level.amoeba_speed &&
12028         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12029       continue;
12030
12031     // special case: score for smashing only available in R'n'D game engine
12032     if ((IS_BD_FIREFLY(elements_with_counter[i].element) ||
12033          IS_BD_BUTTERFLY(elements_with_counter[i].element)) &&
12034         (elements_with_counter[i].value == &level.score[SC_BUG] ||
12035          elements_with_counter[i].value == &level.score[SC_SPACESHIP]) &&
12036         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12037       continue;
12038
12039     // special case: some amoeba counters only available in R'n'D game engine
12040     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12041         elements_with_counter[i].value == &level.amoeba_speed &&
12042         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12043       continue;
12044
12045     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
12046
12047     counterbutton_info[counter_id].y =
12048       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
12049                                (CAN_GROW(properties_element)                ? 1 : 0) +
12050                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
12051                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
12052                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
12053                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
12054                                (properties_element == EL_BD_ACID            ? 1 : 0) +
12055                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
12056                                (properties_element == EL_BD_CREATURE_SWITCH ? 1 : 0) +
12057                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
12058                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
12059                                num_element_counters);
12060
12061     // special case: set magic wall counter for BD game engine separately
12062     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12063       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
12064
12065     // special case: set amoeba counters for BD game engine separately
12066     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
12067         (properties_element == EL_BD_AMOEBA_2))
12068       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
12069
12070     // special case: set position for delay counter for reappearing hammered walls
12071     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
12072       counterbutton_info[counter_id].y += 1;
12073
12074     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
12075     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
12076     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
12077     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
12078
12079     // default: counter values between 0 and 999
12080     if (counterbutton_info[counter_id].max_value == 0)
12081       counterbutton_info[counter_id].max_value = 999;
12082
12083     MapCounterButtons(counter_id);
12084
12085     num_element_counters++;
12086     if (num_element_counters >= max_num_element_counters)
12087       break;
12088   }
12089
12090   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12091   {
12092     // draw stickybutton gadget
12093     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12094
12095     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE);
12096     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
12097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
12098     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN);
12099
12100     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
12101     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
12102     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
12103     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
12104     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
12105     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
12106     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
12107   }
12108
12109   if (HAS_EDITOR_CONTENT(properties_element))
12110   {
12111     // draw stickybutton gadget
12112     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12113
12114     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12115     {
12116       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12117       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12118
12119       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
12120       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
12121     }
12122     else if (properties_element == EL_BD_AMOEBA_2)
12123     {
12124       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12125       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12126       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
12127
12128       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
12129       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
12130       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
12131       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
12132     }
12133     else if (IS_AMOEBOID(properties_element))
12134     {
12135       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
12136     }
12137     else if (properties_element == EL_BD_ACID)
12138     {
12139       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
12140       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
12141     }
12142     else if (IS_BD_BITER(properties_element))
12143     {
12144       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
12145     }
12146     else if (properties_element == EL_BD_BLADDER)
12147     {
12148       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
12149     }
12150     else if (properties_element == EL_YAMYAM ||
12151              properties_element == EL_YAMYAM_LEFT ||
12152              properties_element == EL_YAMYAM_RIGHT ||
12153              properties_element == EL_YAMYAM_UP ||
12154              properties_element == EL_YAMYAM_DOWN)
12155     {
12156       DrawYamYamContentAreas();
12157     }
12158     else if (properties_element == EL_EMC_MAGIC_BALL)
12159     {
12160       DrawMagicBallContentAreas();
12161
12162       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
12163       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
12164     }
12165     else if (properties_element == EL_EMC_ANDROID)
12166     {
12167       DrawAndroidElementArea();
12168     }
12169     else if (properties_element == EL_MM_GRAY_BALL)
12170     {
12171       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
12172       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
12173       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
12174       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
12175
12176       DrawMMBallContentArea();
12177     }
12178   }
12179
12180   if (IS_PLAYER_ELEMENT(properties_element))
12181   {
12182     int player_nr = GET_PLAYER_NR(properties_element);
12183
12184     // these properties can be set for every player individually
12185
12186     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12187     {
12188       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
12189         &level.start_element[player_nr];
12190       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
12191         &level.artwork_element[player_nr];
12192       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
12193         &level.explosion_element[player_nr];
12194
12195       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
12196         &level.use_start_element[player_nr];
12197       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
12198         &level.use_artwork_element[player_nr];
12199       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
12200         &level.use_explosion_element[player_nr];
12201       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
12202         &level.initial_player_gravity[player_nr];
12203
12204       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
12205         &level.initial_player_stepsize[player_nr];
12206
12207       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
12208       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
12209                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
12210                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
12211       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
12212       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
12213       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
12214       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
12215       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
12216       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
12217       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
12218       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
12219       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
12220       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
12221       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
12222
12223       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
12224       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
12225       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
12226
12227       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
12228     }
12229     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12230     {
12231       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
12232         &level.initial_inventory_content[player_nr][0];
12233
12234       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12235         &level.initial_inventory_size[player_nr];
12236
12237       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12238         &level.use_initial_inventory[player_nr];
12239
12240       // draw checkbutton gadgets
12241       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12242       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12243       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12244
12245       // draw counter gadgets
12246       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12247
12248       // draw drawing area gadgets
12249       DrawPlayerInitialInventoryArea(properties_element);
12250     }
12251   }
12252
12253   if (IS_BD_PLAYER_ELEMENT(properties_element))
12254   {
12255     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12256       ED_ELEMENT_SETTINGS_YPOS(2);
12257     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12258       ED_ELEMENT_SETTINGS_YPOS(3);
12259     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12260       ED_ELEMENT_SETTINGS_YPOS(4);
12261
12262     // draw checkbutton gadgets
12263     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12264     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12265     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12266
12267     // draw counter gadgets
12268     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12269     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12270
12271     // draw drawing area gadgets
12272     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12273   }
12274
12275   if (properties_element == EL_BD_SAND)
12276   {
12277     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12278   }
12279
12280   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12281   {
12282     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12283       ED_ELEMENT_SETTINGS_YPOS(0);
12284     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12285       ED_ELEMENT_SETTINGS_YPOS(1);
12286
12287     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12288     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12289
12290     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12291     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12292   }
12293
12294   if (properties_element == EL_BD_DIAMOND && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12295   {
12296     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12297     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12298   }
12299
12300   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12301   {
12302     if (IS_BD_FIREFLY(properties_element))
12303     {
12304       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO);
12305       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12306     }
12307     else if (IS_BD_FIREFLY_2(properties_element))
12308     {
12309       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12310       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12311     }
12312     else if (IS_BD_BUTTERFLY(properties_element))
12313     {
12314       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO);
12315       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12316     }
12317     else if (IS_BD_BUTTERFLY_2(properties_element))
12318     {
12319       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12320       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12321     }
12322     else if (IS_BD_STONEFLY(properties_element))
12323     {
12324       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12325     }
12326     else if (IS_BD_DRAGONFLY(properties_element))
12327     {
12328       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12329       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12330     }
12331     else if (properties_element == EL_BD_BOMB)
12332     {
12333       MapDrawingArea(ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO);
12334     }
12335     else if (properties_element == EL_BD_NITRO_PACK)
12336     {
12337       MapDrawingArea(ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO);
12338     }
12339   }
12340
12341   if (properties_element == EL_BD_MEGA_ROCK ||
12342       properties_element == EL_BD_SWEET)
12343   {
12344     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12345       ED_ELEMENT_SETTINGS_YPOS(0);
12346     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12347       ED_ELEMENT_SETTINGS_YPOS(1);
12348
12349     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12350     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12351   }
12352
12353   if (properties_element == EL_BD_VOODOO_DOLL)
12354   {
12355     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12356     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12357     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12358     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12359   }
12360
12361   if (properties_element == EL_BD_SLIME)
12362   {
12363     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12364
12365     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12366     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12367     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12368     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12369     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12370     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12371   }
12372
12373   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
12374       IS_BD_EXPANDABLE_STEELWALL(properties_element))
12375   {
12376     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12377
12378     if (IS_BD_EXPANDABLE_WALL(properties_element))
12379       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12380   }
12381
12382   if (properties_element == EL_BD_REPLICATOR)
12383   {
12384     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12385   }
12386
12387   if (IS_BD_CONVEYOR_BELT(properties_element) ||
12388       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
12389   {
12390     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12391     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12392   }
12393
12394   if (properties_element == EL_BD_WATER)
12395   {
12396     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12397   }
12398
12399   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12400   {
12401     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12402   }
12403
12404   if (properties_element == EL_BD_ROCKET_LAUNCHER)
12405   {
12406     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS);
12407   }
12408
12409   if (properties_element == EL_BD_CREATURE_SWITCH)
12410   {
12411     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12412     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12413   }
12414
12415   if (properties_element == EL_BD_GRAVITY_SWITCH)
12416   {
12417     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12418
12419     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12420     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12421   }
12422
12423   if (properties_element == EL_BD_NUT)
12424   {
12425     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12426   }
12427
12428   // special case: slippery walls option for gems only available in R'n'D game engine
12429   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12430     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12431
12432   if (properties_element == EL_EM_DYNAMITE)
12433     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12434
12435   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12436       COULD_MOVE_INTO_ACID(properties_element) &&
12437       !IS_PLAYER_ELEMENT(properties_element) &&
12438       (!IS_CUSTOM_ELEMENT(properties_element) ||
12439        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12440   {
12441     // set position for checkbutton for "can move into acid"
12442     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12443       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12444     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12445       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12446                                IS_BALLOON_ELEMENT(properties_element) ||
12447                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12448
12449     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12450   }
12451
12452   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12453     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12454
12455   if (properties_element == EL_SPRING ||
12456       properties_element == EL_SPRING_LEFT ||
12457       properties_element == EL_SPRING_RIGHT)
12458     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12459
12460   if (properties_element == EL_TIME_ORB_FULL)
12461     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12462
12463   if (properties_element == EL_GAME_OF_LIFE ||
12464       properties_element == EL_BIOMAZE)
12465     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12466
12467   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12468   {
12469     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12470       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12471
12472     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12473   }
12474
12475   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12476     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12477
12478   if (properties_element == EL_SOKOBAN_OBJECT)
12479     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12480
12481   if (properties_element == EL_SOKOBAN_OBJECT ||
12482       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12483       properties_element == EL_SOKOBAN_FIELD_FULL)
12484   {
12485     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12486       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12487                                0 : 1);
12488
12489     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12490   }
12491
12492   if (IS_BALLOON_ELEMENT(properties_element))
12493     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12494
12495   if (IS_ENVELOPE(properties_element) ||
12496       IS_MM_ENVELOPE(properties_element))
12497   {
12498     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12499     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12500     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12501     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12502     int envelope_nr = ENVELOPE_NR(properties_element);
12503
12504     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12505     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12506
12507     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12508     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12509
12510     // display counter to choose size of envelope text area
12511     MapCounterButtons(counter1_id);
12512     MapCounterButtons(counter2_id);
12513
12514     // display checkbuttons to choose auto-wrap and alignment properties
12515     MapCheckbuttonGadget(button1_id);
12516     MapCheckbuttonGadget(button2_id);
12517
12518     DrawEnvelopeTextArea(envelope_nr);
12519   }
12520
12521   if (IS_MM_MCDUFFIN(properties_element))
12522   {
12523     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12524     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12525     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12526   }
12527
12528   if (IS_DF_LASER(properties_element))
12529   {
12530     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12531     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12532     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12533   }
12534
12535   if (IS_CUSTOM_ELEMENT(properties_element))
12536   {
12537     // draw stickybutton gadget
12538     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12539
12540     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12541     {
12542       // draw checkbutton gadgets
12543       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12544            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12545         MapCheckbuttonGadget(i);
12546
12547       // draw counter gadgets
12548       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12549            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12550         MapCounterButtons(i);
12551
12552       // draw selectbox gadgets
12553       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12554            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12555         MapSelectboxGadget(i);
12556
12557       // draw textbutton gadgets
12558       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12559
12560       // draw text input gadgets
12561       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12562
12563       // draw drawing area gadgets
12564       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12565
12566       draw_footer_line = TRUE;
12567     }
12568     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12569     {
12570       // draw checkbutton gadgets
12571       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12572            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12573         MapCheckbuttonGadget(i);
12574
12575       // draw counter gadgets
12576       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12577            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12578         MapCounterButtons(i);
12579
12580       // draw selectbox gadgets
12581       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12582            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12583         MapSelectboxGadget(i);
12584
12585       // draw drawing area gadgets
12586       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12587       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12588       DrawCustomContentArea();
12589     }
12590   }
12591   else if (IS_GROUP_ELEMENT(properties_element))
12592   {
12593     // draw stickybutton gadget
12594     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12595
12596     // draw checkbutton gadgets
12597     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12598     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12599
12600     // draw counter gadgets
12601     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12602
12603     // draw selectbox gadgets
12604     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12605
12606     // draw textbutton gadgets
12607     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12608
12609     // draw drawing area gadgets
12610     DrawGroupElementArea();
12611
12612     // draw text input gadgets
12613     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12614
12615     // draw drawing area gadgets
12616     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12617
12618     draw_footer_line = TRUE;
12619   }
12620   else if (IS_EMPTY_ELEMENT(properties_element))
12621   {
12622     // draw stickybutton gadget
12623     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12624
12625     // draw checkbutton gadgets
12626     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12627     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12628
12629     // draw textbutton gadgets
12630     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12631
12632     // draw drawing area gadgets
12633     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12634
12635     draw_footer_line = TRUE;
12636   }
12637
12638   // draw little footer border line above CE/GE use/save template gadgets
12639   if (draw_footer_line)
12640   {
12641     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12642     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12643     int gd_x = gd->x + gd_gi1->border.width / 2;
12644     int gd_y = gd->y + gd_gi1->height - 1;
12645     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12646
12647     if (tab_color != BLACK_PIXEL)               // black => transparent
12648       FillRectangle(drawto,
12649                     SX + ED_ELEMENT_SETTINGS_X(0),
12650                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12651                     ED_TAB_BAR_HEIGHT,
12652                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12653   }
12654 }
12655
12656 static void DrawPropertiesChangeDrawingAreas(void)
12657 {
12658   if (IS_CUSTOM_ELEMENT(properties_element))
12659   {
12660     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12661     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12662     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12663
12664     DrawCustomChangeContentArea();
12665   }
12666
12667   redraw_mask |= REDRAW_FIELD;
12668 }
12669
12670 static void DrawPropertiesChange(void)
12671 {
12672   int i;
12673
12674   // needed to initially set selectbox options for special action options
12675   setSelectboxSpecialActionOptions();
12676
12677   // draw stickybutton gadget
12678   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12679
12680   // draw checkbutton gadgets
12681   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12682        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12683     MapCheckbuttonGadget(i);
12684
12685   // draw counter gadgets
12686   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12687        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12688     MapCounterButtons(i);
12689
12690   // draw selectbox gadgets
12691   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12692        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12693     MapSelectboxGadget(i);
12694
12695   // draw textbutton gadgets
12696   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12697        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12698     MapTextbuttonGadget(i);
12699
12700   // draw graphicbutton gadgets
12701   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12702        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12703     MapGraphicbuttonGadget(i);
12704
12705   // draw drawing area gadgets
12706   DrawPropertiesChangeDrawingAreas();
12707 }
12708
12709 static void DrawEditorElementAnimation(int x, int y)
12710 {
12711   int graphic;
12712   int frame;
12713
12714   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12715
12716   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12717 }
12718
12719 static void DrawEditorElementName(int x, int y, int font_nr)
12720 {
12721   char *element_name = getElementInfoText(properties_element);
12722   int font_width = getFontWidth(font_nr);
12723   int font_height = getFontHeight(font_nr);
12724   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12725   int max_chars_per_line = max_text_width / font_width;
12726
12727   if (strlen(element_name) <= max_chars_per_line)
12728     DrawTextS(x, y, font_nr, element_name);
12729   else
12730   {
12731     char buffer[max_chars_per_line + 1];
12732     int next_pos = max_chars_per_line;
12733
12734     strncpy(buffer, element_name, max_chars_per_line);
12735     buffer[max_chars_per_line] = '\0';
12736
12737     if (element_name[max_chars_per_line] == ' ')
12738       next_pos++;
12739     else
12740     {
12741       int i;
12742
12743       for (i = max_chars_per_line - 1; i >= 0; i--)
12744         if (buffer[i] == ' ')
12745           break;
12746
12747       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12748       {
12749         buffer[i] = '\0';
12750         next_pos = i + 1;
12751       }
12752     }
12753
12754     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12755
12756     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12757     buffer[max_chars_per_line] = '\0';
12758
12759     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12760   }
12761 }
12762
12763 static void DrawPropertiesWindow(void)
12764 {
12765   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12766   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12767   int border_size = gd->border_size;
12768   int font_nr = FONT_TEXT_1;
12769   int font_height = getFontHeight(font_nr);
12770   int xoffset = TILEX + element_border + 3 * border_size;
12771   int yoffset = (TILEY - font_height) / 2;
12772   int x1 = editor.settings.element_graphic.x + element_border;
12773   int y1 = editor.settings.element_graphic.y + element_border;
12774   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12775             editor.settings.element_name.x);
12776   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12777             editor.settings.element_name.y);
12778   char *text = "Element Settings";
12779   int font2_nr = FONT_TITLE_1;
12780   struct MenuPosInfo *pos = &editor.settings.headline;
12781   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12782   int sy = SY + pos->y;
12783
12784   stick_element_properties_window = FALSE;
12785
12786   // make sure that previous properties edit mode exists for this element
12787   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12788       !IS_CUSTOM_ELEMENT(properties_element))
12789     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12790
12791   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12792       !IS_PLAYER_ELEMENT(properties_element) &&
12793       !IS_CUSTOM_ELEMENT(properties_element))
12794     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12795
12796   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12797       (IS_PLAYER_ELEMENT(properties_element) ||
12798        IS_CUSTOM_ELEMENT(properties_element)))
12799     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12800
12801   CopyElementPropertiesToEditor(properties_element);
12802
12803   UnmapLevelEditorFieldGadgets();
12804   UnmapLevelEditorToolboxDrawingGadgets();
12805   UnmapLevelEditorToolboxCustomGadgets();
12806
12807   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12808
12809   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12810   ClearField();
12811
12812   DrawText(sx, sy, text, font2_nr);
12813
12814   FrameCounter = 0;     // restart animation frame counter
12815
12816   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12817   DrawEditorElementAnimation(SX + x1, SY + y1);
12818   DrawEditorElementName(x2, y2, font_nr);
12819
12820   DrawPropertiesTabulatorGadgets();
12821
12822   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12823     DrawPropertiesInfo();
12824   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12825     DrawPropertiesChange();
12826   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12827     DrawPropertiesConfig();
12828 }
12829
12830 static void DrawPaletteWindow(void)
12831 {
12832   int i;
12833
12834   UnmapLevelEditorFieldGadgets();
12835
12836   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12837   ClearField();
12838
12839   // map buttons to select elements
12840   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12841     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12842   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12843   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12844   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12845 }
12846
12847 static void UpdateCustomElementGraphicGadgets(void)
12848 {
12849   int i;
12850
12851   InitElementPropertiesGfxElement();
12852
12853   ModifyEditorElementList();
12854   RedrawDrawingElements();
12855
12856   // force redraw of all mapped drawing area gadgets
12857   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12858   {
12859     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12860
12861     if (gi->mapped)
12862       MapDrawingArea(i);
12863   }
12864 }
12865
12866 static int getOpenDirectionFromTube(int element)
12867 {
12868   switch (element)
12869   {
12870     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12871     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12872     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12873     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12874     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12875     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12876     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12877     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12878     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12879     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12880     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12881   }
12882
12883   return MV_NONE;
12884 }
12885
12886 static int getTubeFromOpenDirection(int direction)
12887 {
12888   switch (direction)
12889   {
12890     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12891     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12892     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12893     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12894     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12895     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12896     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12897     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12898     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12899     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12900     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12901
12902     // if only one direction, fall back to simple tube with that direction
12903     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12904     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12905     case (MV_UP):                       return EL_TUBE_VERTICAL;
12906     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12907   }
12908
12909   return EL_EMPTY;
12910 }
12911
12912 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12913 {
12914   int element_new = getTubeFromOpenDirection(direction);
12915
12916   return (element_new != EL_EMPTY ? element_new : element_old);
12917 }
12918
12919 static int getOpenDirectionFromBelt(int element)
12920 {
12921   int belt_dir = getBeltDirFromBeltElement(element);
12922
12923   return (belt_dir == MV_LEFT ? MV_RIGHT :
12924           belt_dir == MV_RIGHT ? MV_LEFT :
12925           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12926 }
12927
12928 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12929 {
12930   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12931                   direction == MV_RIGHT ? MV_LEFT :
12932                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12933
12934   if (direction == MV_NONE)
12935     return EL_EMPTY;
12936
12937   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12938 }
12939
12940 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12941                                                  int element_old)
12942 {
12943   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12944
12945   return (element_new != EL_EMPTY ? element_new : element_old);
12946 }
12947
12948 static int getOpenDirectionFromPool(int element)
12949 {
12950   switch (element)
12951   {
12952     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12953     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12954     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12955     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12956     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12957     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12958   }
12959
12960   return MV_NONE;
12961 }
12962
12963 static int getPoolFromOpenDirection(int direction)
12964 {
12965   switch (direction)
12966   {
12967     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12968     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12969     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12970     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12971     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12972     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12973   }
12974
12975   return EL_EMPTY;
12976 }
12977
12978 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12979 {
12980   int element = getPoolFromOpenDirection(direction);
12981   int help_direction = getOpenDirectionFromPool(help_element);
12982
12983   if (element == EL_EMPTY)
12984   {
12985     int help_direction_vertical = help_direction & MV_VERTICAL;
12986
12987     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12988   }
12989
12990   if (element == EL_EMPTY)
12991   {
12992     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12993
12994     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12995   }
12996
12997   return element;
12998 }
12999
13000 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
13001 {
13002   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
13003
13004   return (element_new != EL_EMPTY ? element_new : element_old);
13005 }
13006
13007 static int getOpenDirectionFromPillar(int element)
13008 {
13009   switch (element)
13010   {
13011     case EL_EMC_WALL_1:                 return (MV_DOWN);
13012     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
13013     case EL_EMC_WALL_3:                 return (MV_UP);
13014   }
13015
13016   return MV_NONE;
13017 }
13018
13019 static int getPillarFromOpenDirection(int direction)
13020 {
13021   switch (direction)
13022   {
13023     case (MV_DOWN):                     return EL_EMC_WALL_1;
13024     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
13025     case (MV_UP):                       return EL_EMC_WALL_3;
13026   }
13027
13028   return EL_EMPTY;
13029 }
13030
13031 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
13032 {
13033   int element_new = getPillarFromOpenDirection(direction);
13034
13035   return (element_new != EL_EMPTY ? element_new : element_old);
13036 }
13037
13038 static int getOpenDirectionFromSteel2(int element)
13039 {
13040   switch (element)
13041   {
13042     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
13043     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
13044     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
13045     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
13046     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
13047     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
13048     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
13049     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
13050   }
13051
13052   return MV_NONE;
13053 }
13054
13055 static int getSteel2FromOpenDirection(int direction)
13056 {
13057   switch (direction)
13058   {
13059     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
13060     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
13061     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
13062     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
13063     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
13064     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
13065     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
13066     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
13067   }
13068
13069   return EL_EMPTY;
13070 }
13071
13072 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
13073 {
13074   int element_new = getSteel2FromOpenDirection(direction);
13075
13076   return (element_new != EL_EMPTY ? element_new : element_old);
13077 }
13078
13079 static int getOpenDirectionFromChip(int element)
13080 {
13081   switch (element)
13082   {
13083     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
13084     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
13085     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
13086     case EL_SP_CHIP_TOP:                return (MV_DOWN);
13087     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
13088   }
13089
13090   return MV_NONE;
13091 }
13092
13093 static int getChipFromOpenDirection(int direction)
13094 {
13095   switch (direction)
13096   {
13097     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
13098     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
13099     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
13100     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
13101     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
13102   }
13103
13104   return EL_EMPTY;
13105 }
13106
13107 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
13108 {
13109   int element_new = getChipFromOpenDirection(direction);
13110
13111   return (element_new != EL_EMPTY ? element_new : element_old);
13112 }
13113
13114 static int getClosedTube(int x, int y)
13115 {
13116   struct XY *xy = xy_directions;
13117   int element_old = IntelliDrawBuffer[x][y];
13118   int direction_old = getOpenDirectionFromTube(element_old);
13119   int direction_new = MV_NONE;
13120   int i;
13121
13122   for (i = 0; i < NUM_DIRECTIONS; i++)
13123   {
13124     int xx = x + xy[i].x;
13125     int yy = y + xy[i].y;
13126     int dir = MV_DIR_FROM_BIT(i);
13127     int dir_opposite = MV_DIR_OPPOSITE(dir);
13128
13129     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
13130         (direction_old & dir) &&
13131         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13132       direction_new |= dir;
13133   }
13134
13135   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
13136 }
13137
13138 static int getClosedBelt(int x, int y)
13139 {
13140   struct XY *xy = xy_directions;
13141   int element_old = IntelliDrawBuffer[x][y];
13142   int nr = getBeltNrFromBeltElement(element_old);
13143   int direction_old = getOpenDirectionFromBelt(element_old);
13144   int direction_new = MV_NONE;
13145   int i;
13146
13147   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13148   {
13149     int xx = x + xy[i].x;
13150     int yy = y + xy[i].y;
13151     int dir = MV_DIR_FROM_BIT(i);
13152     int dir_opposite = MV_DIR_OPPOSITE(dir);
13153
13154     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
13155         (direction_old & dir) &&
13156         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13157       direction_new |= dir;
13158   }
13159
13160   return getBeltFromNrAndOpenDirection(nr, direction_new);
13161 }
13162
13163 static int getClosedPool(int x, int y)
13164 {
13165   struct XY *xy = xy_directions;
13166   int element_old = IntelliDrawBuffer[x][y];
13167   int direction_old = getOpenDirectionFromPool(element_old);
13168   int direction_new = MV_NONE;
13169   int i;
13170
13171   for (i = 0; i < NUM_DIRECTIONS; i++)
13172   {
13173     int xx = x + xy[i].x;
13174     int yy = y + xy[i].y;
13175     int dir = MV_DIR_FROM_BIT(i);
13176     int dir_opposite = MV_DIR_OPPOSITE(dir);
13177
13178     if (IN_LEV_FIELD(xx, yy) &&
13179         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
13180         (direction_old & dir) &&
13181         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13182       direction_new |= dir;
13183   }
13184
13185   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
13186 }
13187
13188 static int getClosedPillar(int x, int y)
13189 {
13190   struct XY *xy = xy_directions;
13191   int element_old = IntelliDrawBuffer[x][y];
13192   int direction_old = getOpenDirectionFromPillar(element_old);
13193   int direction_new = MV_NONE;
13194   int i;
13195
13196   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13197   {
13198     int xx = x + xy[i].x;
13199     int yy = y + xy[i].y;
13200     int dir = MV_DIR_FROM_BIT(i);
13201     int dir_opposite = MV_DIR_OPPOSITE(dir);
13202
13203     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
13204         (direction_old & dir) &&
13205         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13206       direction_new |= dir;
13207   }
13208
13209   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
13210 }
13211
13212 static int getClosedSteel2(int x, int y)
13213 {
13214   struct XY *xy = xy_directions;
13215   int element_old = IntelliDrawBuffer[x][y];
13216   int direction_old = getOpenDirectionFromSteel2(element_old);
13217   int direction_new = MV_NONE;
13218   int i;
13219
13220   for (i = 0; i < NUM_DIRECTIONS; i++)
13221   {
13222     int xx = x + xy[i].x;
13223     int yy = y + xy[i].y;
13224     int dir = MV_DIR_FROM_BIT(i);
13225     int dir_opposite = MV_DIR_OPPOSITE(dir);
13226
13227     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
13228         (direction_old & dir) &&
13229         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13230       direction_new |= dir;
13231   }
13232
13233   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
13234 }
13235
13236 static int getClosedChip(int x, int y)
13237 {
13238   struct XY *xy = xy_directions;
13239   int element_old = IntelliDrawBuffer[x][y];
13240   int direction_old = getOpenDirectionFromChip(element_old);
13241   int direction_new = MV_NONE;
13242   int i;
13243
13244   for (i = 0; i < NUM_DIRECTIONS; i++)
13245   {
13246     int xx = x + xy[i].x;
13247     int yy = y + xy[i].y;
13248     int dir = MV_DIR_FROM_BIT(i);
13249     int dir_opposite = MV_DIR_OPPOSITE(dir);
13250
13251     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
13252         (direction_old & dir) &&
13253         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13254       direction_new |= dir;
13255   }
13256
13257   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
13258 }
13259
13260 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
13261                                 boolean change_level)
13262 {
13263   int sx = x - level_xpos;
13264   int sy = y - level_ypos;
13265   int old_element = Tile[x][y];
13266   int new_element = element;
13267   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13268   boolean draw_masked = FALSE;
13269
13270   if (IS_MM_WALL_EDITOR(element))
13271   {
13272     element = map_mm_wall_element_editor(element) | new_bitmask;
13273
13274     if (IS_MM_WALL(old_element))
13275       element |= MM_WALL_BITS(old_element);
13276
13277     if (!change_level)
13278       draw_masked = TRUE;
13279   }
13280   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13281   {
13282     int element_changed = old_element & ~new_bitmask;
13283
13284     if (MM_WALL_BITS(element_changed) != 0)
13285       element = element_changed;
13286   }
13287
13288   IntelliDrawBuffer[x][y] = element;
13289
13290   if (change_level)
13291     Tile[x][y] = element;
13292
13293   if (IN_ED_FIELD(sx, sy))
13294   {
13295     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13296       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13297     else if (draw_masked)
13298       DrawEditorElementThruMask(sx, sy, element);
13299     else
13300       DrawEditorElement(sx, sy, element);
13301   }
13302 }
13303
13304 static void SetElementSimple(int x, int y, int element, boolean change_level)
13305 {
13306   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13307 }
13308
13309 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13310                                            int x2, int y2, int *element2,
13311                                            int (*close_function)(int, int),
13312                                            boolean change_level)
13313 {
13314   // set neighbour elements to newly determined connections
13315   SetElementSimple(x1, y1, *element1, change_level);
13316   SetElementSimple(x2, y2, *element2, change_level);
13317
13318   // remove all open connections of neighbour elements
13319   *element1 = close_function(x1, y1);
13320   *element2 = close_function(x2, y2);
13321
13322   // set neighbour elements to new, minimized connections
13323   SetElementSimple(x1, y1, *element1, change_level);
13324   SetElementSimple(x2, y2, *element2, change_level);
13325 }
13326
13327 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13328                                   boolean change_level, int button)
13329 {
13330   struct XY *xy = xy_directions;
13331   static int last_x = -1;
13332   static int last_y = -1;
13333
13334   if (new_element == EL_UNDEFINED)
13335   {
13336     last_x = -1;
13337     last_y = -1;
13338
13339     return;
13340   }
13341
13342   int old_element = IntelliDrawBuffer[x][y];
13343
13344   if (IS_TUBE(new_element))
13345   {
13346     int last_element_new = EL_UNDEFINED;
13347     int direction = MV_NONE;
13348     int i;
13349
13350     // if old element is of same kind, keep all existing directions
13351     if (IS_TUBE(old_element))
13352       direction |= getOpenDirectionFromTube(old_element);
13353
13354     for (i = 0; i < NUM_DIRECTIONS; i++)
13355     {
13356       int xx = x + xy[i].x;
13357       int yy = y + xy[i].y;
13358
13359       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13360           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13361       {
13362         int dir = MV_DIR_FROM_BIT(i);
13363         int dir_opposite = MV_DIR_OPPOSITE(dir);
13364         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13365         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13366         int last_direction_new = last_direction_old | dir_opposite;
13367
13368         last_element_new = getTubeFromOpenDirection(last_direction_new);
13369
13370         direction |= dir;
13371       }
13372     }
13373
13374     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13375
13376     if (last_element_new != EL_UNDEFINED)
13377       MergeAndCloseNeighbourElements(x, y, &new_element,
13378                                      last_x, last_y, &last_element_new,
13379                                      getClosedTube, change_level);
13380   }
13381   else if (IS_BELT(new_element))
13382   {
13383     int belt_nr = getBeltNrFromBeltElement(new_element);
13384     int last_element_new = EL_UNDEFINED;
13385     int direction = MV_NONE;
13386     int i;
13387
13388     // if old element is of same kind, keep all existing directions
13389     if (IS_BELT(old_element))
13390       direction |= getOpenDirectionFromBelt(old_element);
13391
13392     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13393     {
13394       int xx = x + xy[i].x;
13395       int yy = y + xy[i].y;
13396
13397       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13398           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13399       {
13400         int dir = MV_DIR_FROM_BIT(i);
13401         int dir_opposite = MV_DIR_OPPOSITE(dir);
13402         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13403         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13404         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13405         int last_direction_new = last_direction_old | dir_opposite;
13406
13407         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13408                                                          last_direction_new);
13409         direction |= dir;
13410       }
13411     }
13412
13413     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13414                                                         new_element);
13415     if (last_element_new != EL_UNDEFINED)
13416       MergeAndCloseNeighbourElements(x, y, &new_element,
13417                                      last_x, last_y, &last_element_new,
13418                                      getClosedBelt, change_level);
13419   }
13420   else if (IS_ACID_POOL_OR_ACID(new_element))
13421   {
13422     int last_element_new = EL_UNDEFINED;
13423     int direction = MV_NONE;
13424     int i;
13425
13426     // if old element is of same kind, keep all existing directions
13427     if (IS_ACID_POOL_OR_ACID(old_element))
13428       direction |= getOpenDirectionFromPool(old_element);
13429
13430     for (i = 0; i < NUM_DIRECTIONS; i++)
13431     {
13432       int xx = x + xy[i].x;
13433       int yy = y + xy[i].y;
13434
13435       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13436           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13437       {
13438         int dir = MV_DIR_FROM_BIT(i);
13439         int dir_opposite = MV_DIR_OPPOSITE(dir);
13440         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13441         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13442         int last_direction_new = last_direction_old | dir_opposite;
13443
13444         last_element_new = getPoolFromOpenDirection(last_direction_new);
13445
13446         direction |= dir;
13447       }
13448     }
13449
13450     // special corrections needed for intuitively correct acid pool drawing
13451     if (last_element_new == EL_EMPTY)
13452       last_element_new = new_element;
13453     else if (last_element_new != EL_UNDEFINED)
13454       new_element = last_element_new;
13455
13456     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13457
13458     if (last_element_new != EL_UNDEFINED)
13459       MergeAndCloseNeighbourElements(x, y, &new_element,
13460                                      last_x, last_y, &last_element_new,
13461                                      getClosedPool, change_level);
13462   }
13463   else if (IS_EMC_PILLAR(new_element))
13464   {
13465     int last_element_new = EL_UNDEFINED;
13466     int direction = MV_NONE;
13467     int i;
13468
13469     // if old element is of same kind, keep all existing directions
13470     if (IS_EMC_PILLAR(old_element))
13471       direction |= getOpenDirectionFromPillar(old_element);
13472
13473     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13474     {
13475       int xx = x + xy[i].x;
13476       int yy = y + xy[i].y;
13477
13478       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13479           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13480       {
13481         int dir = MV_DIR_FROM_BIT(i);
13482         int dir_opposite = MV_DIR_OPPOSITE(dir);
13483         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13484         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13485         int last_direction_new = last_direction_old | dir_opposite;
13486
13487         last_element_new = getPillarFromOpenDirection(last_direction_new);
13488
13489         direction |= dir;
13490       }
13491     }
13492
13493     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13494
13495     if (last_element_new != EL_UNDEFINED)
13496       MergeAndCloseNeighbourElements(x, y, &new_element,
13497                                      last_x, last_y, &last_element_new,
13498                                      getClosedPillar, change_level);
13499   }
13500   else if (IS_DC_STEELWALL_2(new_element))
13501   {
13502     int last_element_new = EL_UNDEFINED;
13503     int direction = MV_NONE;
13504     int i;
13505
13506     // if old element is of same kind, keep all existing directions
13507     if (IS_DC_STEELWALL_2(old_element))
13508       direction |= getOpenDirectionFromSteel2(old_element);
13509
13510     for (i = 0; i < NUM_DIRECTIONS; i++)
13511     {
13512       int xx = x + xy[i].x;
13513       int yy = y + xy[i].y;
13514
13515       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13516           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13517       {
13518         int dir = MV_DIR_FROM_BIT(i);
13519         int dir_opposite = MV_DIR_OPPOSITE(dir);
13520         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13521         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13522         int last_direction_new = last_direction_old | dir_opposite;
13523
13524         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13525
13526         direction |= dir;
13527       }
13528     }
13529
13530     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13531
13532     if (last_element_new != EL_UNDEFINED)
13533       MergeAndCloseNeighbourElements(x, y, &new_element,
13534                                      last_x, last_y, &last_element_new,
13535                                      getClosedSteel2, change_level);
13536   }
13537   else if (IS_SP_CHIP(new_element))
13538   {
13539     int last_element_new = EL_UNDEFINED;
13540     int direction = MV_NONE;
13541     int i;
13542
13543     // (do not keep existing directions, regardless of kind of old element)
13544
13545     for (i = 0; i < NUM_DIRECTIONS; i++)
13546     {
13547       int xx = x + xy[i].x;
13548       int yy = y + xy[i].y;
13549
13550       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13551           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13552       {
13553         int dir = MV_DIR_FROM_BIT(i);
13554         int dir_opposite = MV_DIR_OPPOSITE(dir);
13555         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13556         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13557         int last_direction_new = last_direction_old | dir_opposite;
13558
13559         if (last_direction_old == MV_NONE)
13560         {
13561           last_element_new = getChipFromOpenDirection(last_direction_new);
13562           direction |= dir;
13563         }
13564         else if (last_direction_old & (dir | dir_opposite))
13565         {
13566           direction |= MV_DIR_OPPOSITE(last_direction_old);
13567         }
13568         else
13569         {
13570           direction |= MV_DIR_OPPOSITE(dir);
13571         }
13572       }
13573     }
13574
13575     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13576
13577     if (last_element_new != EL_UNDEFINED)
13578       MergeAndCloseNeighbourElements(x, y, &new_element,
13579                                      last_x, last_y, &last_element_new,
13580                                      getClosedChip, change_level);
13581   }
13582   else if (IS_SP_HARDWARE_BASE(new_element))
13583   {
13584     int nr = GetSimpleRandom(6);
13585
13586     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13587                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13588                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13589                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13590                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13591   }
13592   else if (new_element == EL_SP_HARDWARE_GREEN ||
13593            new_element == EL_SP_HARDWARE_BLUE ||
13594            new_element == EL_SP_HARDWARE_RED)
13595   {
13596     int nr = GetSimpleRandom(3);
13597
13598     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13599                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13600   }
13601   else if (IS_GROUP_ELEMENT(new_element))
13602   {
13603     boolean connected_drawing = FALSE;
13604     int i;
13605
13606     for (i = 0; i < NUM_DIRECTIONS; i++)
13607     {
13608       int xx = x + xy[i].x;
13609       int yy = y + xy[i].y;
13610
13611       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13612           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13613         connected_drawing = TRUE;
13614     }
13615
13616     if (!connected_drawing)
13617       ResolveGroupElement(new_element);
13618
13619     new_element = GetElementFromGroupElement(new_element);
13620   }
13621   else if (IS_BELT_SWITCH(old_element))
13622   {
13623     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13624     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13625
13626     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13627                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13628
13629     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13630   }
13631   else
13632   {
13633     static int swappable_elements[][2] =
13634     {
13635       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13636       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13637       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13638       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13639       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13640       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13641       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13642       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13643       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13644       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13645       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13646       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13647       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13648       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13649       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13650       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13651       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13652       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13653       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13654       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13655       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13656       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13657       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13658       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13659       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13660       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13661       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13662       { EL_PEARL,                       EL_WALL_PEARL                   },
13663       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13664       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13665       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13666       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13667       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13668       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13669       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13670       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13671       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13672       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13673       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13674       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13675       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13676       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13677       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13678       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13679
13680       { -1,                             -1                              },
13681     };
13682     static int rotatable_elements_4[][4] =
13683     {
13684       {
13685         EL_BUG_UP,
13686         EL_BUG_RIGHT,
13687         EL_BUG_DOWN,
13688         EL_BUG_LEFT
13689       },
13690       {
13691         EL_SPACESHIP_UP,
13692         EL_SPACESHIP_RIGHT,
13693         EL_SPACESHIP_DOWN,
13694         EL_SPACESHIP_LEFT
13695       },
13696       {
13697         EL_BD_BUTTERFLY_UP,
13698         EL_BD_BUTTERFLY_RIGHT,
13699         EL_BD_BUTTERFLY_DOWN,
13700         EL_BD_BUTTERFLY_LEFT
13701       },
13702       {
13703         EL_BD_FIREFLY_UP,
13704         EL_BD_FIREFLY_RIGHT,
13705         EL_BD_FIREFLY_DOWN,
13706         EL_BD_FIREFLY_LEFT
13707       },
13708       {
13709         EL_PACMAN_UP,
13710         EL_PACMAN_RIGHT,
13711         EL_PACMAN_DOWN,
13712         EL_PACMAN_LEFT
13713       },
13714       {
13715         EL_YAMYAM_UP,
13716         EL_YAMYAM_RIGHT,
13717         EL_YAMYAM_DOWN,
13718         EL_YAMYAM_LEFT
13719       },
13720       {
13721         EL_ARROW_UP,
13722         EL_ARROW_RIGHT,
13723         EL_ARROW_DOWN,
13724         EL_ARROW_LEFT
13725       },
13726       {
13727         EL_SP_PORT_UP,
13728         EL_SP_PORT_RIGHT,
13729         EL_SP_PORT_DOWN,
13730         EL_SP_PORT_LEFT
13731       },
13732       {
13733         EL_SP_GRAVITY_PORT_UP,
13734         EL_SP_GRAVITY_PORT_RIGHT,
13735         EL_SP_GRAVITY_PORT_DOWN,
13736         EL_SP_GRAVITY_PORT_LEFT
13737       },
13738       {
13739         EL_SP_GRAVITY_ON_PORT_UP,
13740         EL_SP_GRAVITY_ON_PORT_RIGHT,
13741         EL_SP_GRAVITY_ON_PORT_DOWN,
13742         EL_SP_GRAVITY_ON_PORT_LEFT
13743       },
13744       {
13745         EL_SP_GRAVITY_OFF_PORT_UP,
13746         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13747         EL_SP_GRAVITY_OFF_PORT_DOWN,
13748         EL_SP_GRAVITY_OFF_PORT_LEFT
13749       },
13750       {
13751         EL_MOLE_UP,
13752         EL_MOLE_RIGHT,
13753         EL_MOLE_DOWN,
13754         EL_MOLE_LEFT
13755       },
13756       {
13757         EL_BALLOON_SWITCH_UP,
13758         EL_BALLOON_SWITCH_RIGHT,
13759         EL_BALLOON_SWITCH_DOWN,
13760         EL_BALLOON_SWITCH_LEFT
13761       },
13762       {
13763         EL_MM_MCDUFFIN_UP,
13764         EL_MM_MCDUFFIN_RIGHT,
13765         EL_MM_MCDUFFIN_DOWN,
13766         EL_MM_MCDUFFIN_LEFT
13767       },
13768       {
13769         EL_MM_MIRROR_FIXED_1,
13770         EL_MM_MIRROR_FIXED_4,
13771         EL_MM_MIRROR_FIXED_3,
13772         EL_MM_MIRROR_FIXED_2
13773       },
13774       {
13775         EL_MM_STEEL_GRID_FIXED_1,
13776         EL_MM_STEEL_GRID_FIXED_4,
13777         EL_MM_STEEL_GRID_FIXED_2,
13778         EL_MM_STEEL_GRID_FIXED_3
13779       },
13780       {
13781         EL_MM_WOODEN_GRID_FIXED_1,
13782         EL_MM_WOODEN_GRID_FIXED_4,
13783         EL_MM_WOODEN_GRID_FIXED_2,
13784         EL_MM_WOODEN_GRID_FIXED_3
13785       },
13786       {
13787         EL_MM_POLARIZER_CROSS_1,
13788         EL_MM_POLARIZER_CROSS_4,
13789         EL_MM_POLARIZER_CROSS_3,
13790         EL_MM_POLARIZER_CROSS_2
13791       },
13792       {
13793         EL_MM_PACMAN_UP,
13794         EL_MM_PACMAN_RIGHT,
13795         EL_MM_PACMAN_DOWN,
13796         EL_MM_PACMAN_LEFT
13797       },
13798       {
13799         EL_DF_LASER_UP,
13800         EL_DF_LASER_RIGHT,
13801         EL_DF_LASER_DOWN,
13802         EL_DF_LASER_LEFT
13803       },
13804       {
13805         EL_DF_RECEIVER_UP,
13806         EL_DF_RECEIVER_RIGHT,
13807         EL_DF_RECEIVER_DOWN,
13808         EL_DF_RECEIVER_LEFT
13809       },
13810       {
13811         EL_DF_SLOPE_1,
13812         EL_DF_SLOPE_4,
13813         EL_DF_SLOPE_3,
13814         EL_DF_SLOPE_2
13815       },
13816
13817       {
13818         -1,
13819       },
13820     };
13821     static int rotatable_elements_8[][8] =
13822     {
13823       {
13824         EL_DF_STEEL_GRID_FIXED_1,
13825         EL_DF_STEEL_GRID_FIXED_8,
13826         EL_DF_STEEL_GRID_FIXED_7,
13827         EL_DF_STEEL_GRID_FIXED_6,
13828         EL_DF_STEEL_GRID_FIXED_5,
13829         EL_DF_STEEL_GRID_FIXED_4,
13830         EL_DF_STEEL_GRID_FIXED_3,
13831         EL_DF_STEEL_GRID_FIXED_2
13832       },
13833       {
13834         EL_DF_WOODEN_GRID_FIXED_1,
13835         EL_DF_WOODEN_GRID_FIXED_8,
13836         EL_DF_WOODEN_GRID_FIXED_7,
13837         EL_DF_WOODEN_GRID_FIXED_6,
13838         EL_DF_WOODEN_GRID_FIXED_5,
13839         EL_DF_WOODEN_GRID_FIXED_4,
13840         EL_DF_WOODEN_GRID_FIXED_3,
13841         EL_DF_WOODEN_GRID_FIXED_2
13842       },
13843       {
13844         EL_DF_STEEL_GRID_ROTATING_1,
13845         EL_DF_STEEL_GRID_ROTATING_8,
13846         EL_DF_STEEL_GRID_ROTATING_7,
13847         EL_DF_STEEL_GRID_ROTATING_6,
13848         EL_DF_STEEL_GRID_ROTATING_5,
13849         EL_DF_STEEL_GRID_ROTATING_4,
13850         EL_DF_STEEL_GRID_ROTATING_3,
13851         EL_DF_STEEL_GRID_ROTATING_2
13852       },
13853       {
13854         EL_DF_WOODEN_GRID_ROTATING_1,
13855         EL_DF_WOODEN_GRID_ROTATING_8,
13856         EL_DF_WOODEN_GRID_ROTATING_7,
13857         EL_DF_WOODEN_GRID_ROTATING_6,
13858         EL_DF_WOODEN_GRID_ROTATING_5,
13859         EL_DF_WOODEN_GRID_ROTATING_4,
13860         EL_DF_WOODEN_GRID_ROTATING_3,
13861         EL_DF_WOODEN_GRID_ROTATING_2
13862       },
13863
13864       {
13865         -1,
13866       },
13867     };
13868     static int rotatable_elements_16[][16] =
13869     {
13870       {
13871         EL_MM_MIRROR_1,
13872         EL_MM_MIRROR_16,
13873         EL_MM_MIRROR_15,
13874         EL_MM_MIRROR_14,
13875         EL_MM_MIRROR_13,
13876         EL_MM_MIRROR_12,
13877         EL_MM_MIRROR_11,
13878         EL_MM_MIRROR_10,
13879         EL_MM_MIRROR_9,
13880         EL_MM_MIRROR_8,
13881         EL_MM_MIRROR_7,
13882         EL_MM_MIRROR_6,
13883         EL_MM_MIRROR_5,
13884         EL_MM_MIRROR_4,
13885         EL_MM_MIRROR_3,
13886         EL_MM_MIRROR_2
13887       },
13888       {
13889         EL_MM_TELEPORTER_5,
13890         EL_MM_TELEPORTER_4,
13891         EL_MM_TELEPORTER_3,
13892         EL_MM_TELEPORTER_2,
13893         EL_MM_TELEPORTER_1,
13894         EL_MM_TELEPORTER_16,
13895         EL_MM_TELEPORTER_15,
13896         EL_MM_TELEPORTER_14,
13897         EL_MM_TELEPORTER_13,
13898         EL_MM_TELEPORTER_12,
13899         EL_MM_TELEPORTER_11,
13900         EL_MM_TELEPORTER_10,
13901         EL_MM_TELEPORTER_9,
13902         EL_MM_TELEPORTER_8,
13903         EL_MM_TELEPORTER_7,
13904         EL_MM_TELEPORTER_6
13905       },
13906       {
13907         EL_MM_TELEPORTER_RED_5,
13908         EL_MM_TELEPORTER_RED_4,
13909         EL_MM_TELEPORTER_RED_3,
13910         EL_MM_TELEPORTER_RED_2,
13911         EL_MM_TELEPORTER_RED_1,
13912         EL_MM_TELEPORTER_RED_16,
13913         EL_MM_TELEPORTER_RED_15,
13914         EL_MM_TELEPORTER_RED_14,
13915         EL_MM_TELEPORTER_RED_13,
13916         EL_MM_TELEPORTER_RED_12,
13917         EL_MM_TELEPORTER_RED_11,
13918         EL_MM_TELEPORTER_RED_10,
13919         EL_MM_TELEPORTER_RED_9,
13920         EL_MM_TELEPORTER_RED_8,
13921         EL_MM_TELEPORTER_RED_7,
13922         EL_MM_TELEPORTER_RED_6
13923       },
13924       {
13925         EL_MM_TELEPORTER_YELLOW_5,
13926         EL_MM_TELEPORTER_YELLOW_4,
13927         EL_MM_TELEPORTER_YELLOW_3,
13928         EL_MM_TELEPORTER_YELLOW_2,
13929         EL_MM_TELEPORTER_YELLOW_1,
13930         EL_MM_TELEPORTER_YELLOW_16,
13931         EL_MM_TELEPORTER_YELLOW_15,
13932         EL_MM_TELEPORTER_YELLOW_14,
13933         EL_MM_TELEPORTER_YELLOW_13,
13934         EL_MM_TELEPORTER_YELLOW_12,
13935         EL_MM_TELEPORTER_YELLOW_11,
13936         EL_MM_TELEPORTER_YELLOW_10,
13937         EL_MM_TELEPORTER_YELLOW_9,
13938         EL_MM_TELEPORTER_YELLOW_8,
13939         EL_MM_TELEPORTER_YELLOW_7,
13940         EL_MM_TELEPORTER_YELLOW_6
13941       },
13942       {
13943         EL_MM_TELEPORTER_GREEN_5,
13944         EL_MM_TELEPORTER_GREEN_4,
13945         EL_MM_TELEPORTER_GREEN_3,
13946         EL_MM_TELEPORTER_GREEN_2,
13947         EL_MM_TELEPORTER_GREEN_1,
13948         EL_MM_TELEPORTER_GREEN_16,
13949         EL_MM_TELEPORTER_GREEN_15,
13950         EL_MM_TELEPORTER_GREEN_14,
13951         EL_MM_TELEPORTER_GREEN_13,
13952         EL_MM_TELEPORTER_GREEN_12,
13953         EL_MM_TELEPORTER_GREEN_11,
13954         EL_MM_TELEPORTER_GREEN_10,
13955         EL_MM_TELEPORTER_GREEN_9,
13956         EL_MM_TELEPORTER_GREEN_8,
13957         EL_MM_TELEPORTER_GREEN_7,
13958         EL_MM_TELEPORTER_GREEN_6
13959       },
13960       {
13961         EL_MM_TELEPORTER_BLUE_5,
13962         EL_MM_TELEPORTER_BLUE_4,
13963         EL_MM_TELEPORTER_BLUE_3,
13964         EL_MM_TELEPORTER_BLUE_2,
13965         EL_MM_TELEPORTER_BLUE_1,
13966         EL_MM_TELEPORTER_BLUE_16,
13967         EL_MM_TELEPORTER_BLUE_15,
13968         EL_MM_TELEPORTER_BLUE_14,
13969         EL_MM_TELEPORTER_BLUE_13,
13970         EL_MM_TELEPORTER_BLUE_12,
13971         EL_MM_TELEPORTER_BLUE_11,
13972         EL_MM_TELEPORTER_BLUE_10,
13973         EL_MM_TELEPORTER_BLUE_9,
13974         EL_MM_TELEPORTER_BLUE_8,
13975         EL_MM_TELEPORTER_BLUE_7,
13976         EL_MM_TELEPORTER_BLUE_6
13977       },
13978       {
13979         EL_MM_POLARIZER_1,
13980         EL_MM_POLARIZER_16,
13981         EL_MM_POLARIZER_15,
13982         EL_MM_POLARIZER_14,
13983         EL_MM_POLARIZER_13,
13984         EL_MM_POLARIZER_12,
13985         EL_MM_POLARIZER_11,
13986         EL_MM_POLARIZER_10,
13987         EL_MM_POLARIZER_9,
13988         EL_MM_POLARIZER_8,
13989         EL_MM_POLARIZER_7,
13990         EL_MM_POLARIZER_6,
13991         EL_MM_POLARIZER_5,
13992         EL_MM_POLARIZER_4,
13993         EL_MM_POLARIZER_3,
13994         EL_MM_POLARIZER_2
13995       },
13996       {
13997         EL_DF_MIRROR_1,
13998         EL_DF_MIRROR_16,
13999         EL_DF_MIRROR_15,
14000         EL_DF_MIRROR_14,
14001         EL_DF_MIRROR_13,
14002         EL_DF_MIRROR_12,
14003         EL_DF_MIRROR_11,
14004         EL_DF_MIRROR_10,
14005         EL_DF_MIRROR_9,
14006         EL_DF_MIRROR_8,
14007         EL_DF_MIRROR_7,
14008         EL_DF_MIRROR_6,
14009         EL_DF_MIRROR_5,
14010         EL_DF_MIRROR_4,
14011         EL_DF_MIRROR_3,
14012         EL_DF_MIRROR_2
14013       },
14014       {
14015         EL_DF_MIRROR_ROTATING_1,
14016         EL_DF_MIRROR_ROTATING_16,
14017         EL_DF_MIRROR_ROTATING_15,
14018         EL_DF_MIRROR_ROTATING_14,
14019         EL_DF_MIRROR_ROTATING_13,
14020         EL_DF_MIRROR_ROTATING_12,
14021         EL_DF_MIRROR_ROTATING_11,
14022         EL_DF_MIRROR_ROTATING_10,
14023         EL_DF_MIRROR_ROTATING_9,
14024         EL_DF_MIRROR_ROTATING_8,
14025         EL_DF_MIRROR_ROTATING_7,
14026         EL_DF_MIRROR_ROTATING_6,
14027         EL_DF_MIRROR_ROTATING_5,
14028         EL_DF_MIRROR_ROTATING_4,
14029         EL_DF_MIRROR_ROTATING_3,
14030         EL_DF_MIRROR_ROTATING_2
14031       },
14032       {
14033         EL_DF_MIRROR_FIXED_1,
14034         EL_DF_MIRROR_FIXED_16,
14035         EL_DF_MIRROR_FIXED_15,
14036         EL_DF_MIRROR_FIXED_14,
14037         EL_DF_MIRROR_FIXED_13,
14038         EL_DF_MIRROR_FIXED_12,
14039         EL_DF_MIRROR_FIXED_11,
14040         EL_DF_MIRROR_FIXED_10,
14041         EL_DF_MIRROR_FIXED_9,
14042         EL_DF_MIRROR_FIXED_8,
14043         EL_DF_MIRROR_FIXED_7,
14044         EL_DF_MIRROR_FIXED_6,
14045         EL_DF_MIRROR_FIXED_5,
14046         EL_DF_MIRROR_FIXED_4,
14047         EL_DF_MIRROR_FIXED_3,
14048         EL_DF_MIRROR_FIXED_2
14049       },
14050
14051       {
14052         -1,
14053       },
14054     };
14055     int i, j;
14056
14057     for (i = 0; swappable_elements[i][0] != -1; i++)
14058     {
14059       int element1 = swappable_elements[i][0];
14060       int element2 = swappable_elements[i][1];
14061
14062       if (old_element == element1 || old_element == element2)
14063         new_element = (old_element == element1 ? element2 : element1);
14064     }
14065
14066     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
14067     {
14068       for (j = 0; j < 4; j++)
14069       {
14070         int element = rotatable_elements_4[i][j];
14071
14072         if (old_element == element)
14073           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
14074                          button == 2 ? rotatable_elements_4[i][0]           :
14075                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
14076                          old_element);
14077       }
14078     }
14079
14080     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
14081     {
14082       for (j = 0; j < 8; j++)
14083       {
14084         int element = rotatable_elements_8[i][j];
14085
14086         if (old_element == element)
14087           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
14088                          button == 2 ? rotatable_elements_8[i][0]           :
14089                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
14090                          old_element);
14091       }
14092     }
14093
14094     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
14095     {
14096       for (j = 0; j < 16; j++)
14097       {
14098         int element = rotatable_elements_16[i][j];
14099
14100         if (old_element == element)
14101           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
14102                          button == 2 ? rotatable_elements_16[i][0]             :
14103                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
14104                          old_element);
14105       }
14106     }
14107
14108     if (old_element != new_element)
14109     {
14110       int max_infotext_len = getMaxInfoTextLength();
14111       char infotext[MAX_OUTPUT_LINESIZE + 1];
14112
14113       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
14114       infotext[max_infotext_len] = '\0';
14115
14116       ClearEditorGadgetInfoText();
14117
14118       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
14119                 infotext);
14120     }
14121   }
14122
14123   if (IS_MM_WALL_EDITOR(new_element))
14124     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
14125   else
14126     SetElementSimple(x, y, new_element, change_level);
14127
14128   last_x = x;
14129   last_y = y;
14130 }
14131
14132 static void ResetIntelliDraw(void)
14133 {
14134   int x, y;
14135
14136   for (x = 0; x < lev_fieldx; x++)
14137     for (y = 0; y < lev_fieldy; y++)
14138       IntelliDrawBuffer[x][y] = Tile[x][y];
14139
14140   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
14141 }
14142
14143 static boolean draw_mode_hires = FALSE;
14144
14145 static boolean isHiresTileElement(int element)
14146 {
14147   return (IS_MM_WALL(element)        || element == EL_EMPTY);
14148 }
14149
14150 static boolean isHiresDrawElement(int element)
14151 {
14152   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
14153 }
14154
14155 static int numHiresTiles(int element)
14156 {
14157   if (IS_MM_WALL(element))
14158     return get_number_of_bits(MM_WALL_BITS(element));
14159
14160   return 1;
14161 }
14162
14163 static void SetDrawModeHiRes(int element)
14164 {
14165   draw_mode_hires =
14166     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14167      isHiresDrawElement(element));
14168 }
14169
14170 static boolean getDrawModeHiRes(void)
14171 {
14172   return draw_mode_hires;
14173 }
14174
14175 static int getLoResScreenPos(int pos)
14176 {
14177   return (getDrawModeHiRes() ? pos / 2 : pos);
14178 }
14179
14180 static int getLoResScreenMod(int pos)
14181 {
14182   return (getDrawModeHiRes() ? pos % 2 : 0);
14183 }
14184
14185 static void SetElementExt(int x, int y, int dx, int dy, int element,
14186                           boolean change_level, int button)
14187 {
14188   if (element < 0)
14189     SetElementSimple(x, y, Tile[x][y], change_level);
14190   else if (GetKeyModState() & KMOD_Shift)
14191     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
14192   else
14193     SetElementSimpleExt(x, y, dx, dy, element, change_level);
14194 }
14195
14196 static void SetElement(int x, int y, int element)
14197 {
14198   SetElementExt(x, y, 0, 0, element, TRUE, -1);
14199 }
14200
14201 static void SetElementButton(int x, int y, int dx, int dy, int element,
14202                              int button)
14203 {
14204   SetElementExt(x, y, dx, dy, element, TRUE, button);
14205 }
14206
14207 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
14208 {
14209   int lx = getLoResScreenPos(sx2) + level_xpos;
14210   int ly = getLoResScreenPos(sy2) + level_ypos;
14211   int dx = getLoResScreenMod(sx2);
14212   int dy = getLoResScreenMod(sy2);
14213
14214   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
14215 }
14216
14217 static void SetLevelElementHiRes(int lx2, int ly2, int element)
14218 {
14219   int lx = lx2 / 2;
14220   int ly = ly2 / 2;
14221   int dx = lx2 % 2;
14222   int dy = ly2 % 2;
14223
14224   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
14225 }
14226
14227 static int getLevelElementHiRes(int lx2, int ly2)
14228 {
14229   int lx = lx2 / 2;
14230   int ly = ly2 / 2;
14231   int dx = lx2 % 2;
14232   int dy = ly2 % 2;
14233   int element = Tile[lx][ly];
14234   unsigned int bitmask = (dx + 1) << (dy * 2);
14235
14236   if (IS_MM_WALL(element))
14237   {
14238     if (element & bitmask)
14239       return map_mm_wall_element(element);
14240     else
14241       return EL_EMPTY;
14242   }
14243
14244   return element;
14245 }
14246
14247 static void DrawLineElement(int x, int y, int element, boolean change_level)
14248 {
14249   SetElementHiRes(x, y, element, change_level);
14250 }
14251
14252 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
14253                      int element, boolean change_level)
14254 {
14255   int xsize = ABS(to_x - from_x);
14256   int ysize = ABS(to_y - from_y);
14257   int dx = (to_x < from_x ? -1 : +1);
14258   int dy = (to_y < from_y ? -1 : +1);
14259   int i;
14260
14261   if (from_y == to_y)                   // horizontal line
14262   {
14263     for (i = 0; i <= xsize; i++)
14264       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14265   }
14266   else if (from_x == to_x)              // vertical line
14267   {
14268     for (i = 0; i <= ysize; i++)
14269       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14270   }
14271   else                                  // diagonal line
14272   {
14273     if (ysize < xsize)                  // a < 1
14274     {
14275       float a = (float)ysize / (float)xsize;
14276
14277       for (i = 0; i <= xsize; i++)
14278       {
14279         int x = dx * i;
14280         int y = dy * (int)(a * i + 0.5);
14281
14282         DrawLineElement(from_x + x, from_y + y, element, change_level);
14283       }
14284     }
14285     else                                // a >= 1
14286     {
14287       float a = (float)xsize / (float)ysize;
14288
14289       for (i = 0; i <= ysize; i++)
14290       {
14291         int x = dx * (int)(a * i + 0.5);
14292         int y = dy * i;
14293
14294         DrawLineElement(from_x + x, from_y + y, element, change_level);
14295       }
14296     }
14297   }
14298 }
14299
14300 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14301                     int element, boolean change_level)
14302 {
14303   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14304   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14305   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14306   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14307 }
14308
14309 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14310                           int element, boolean change_level)
14311 {
14312   int y;
14313
14314   if (from_y > to_y)
14315     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14316
14317   for (y = from_y; y <= to_y; y++)
14318     DrawLine(from_x, y, to_x, y, element, change_level);
14319 }
14320
14321 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14322                        int element, boolean change_level)
14323 {
14324   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14325   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14326   int len_x = ABS(to_x - from_x);
14327   int len_y = ABS(to_y - from_y);
14328   int radius, x, y;
14329
14330   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14331
14332   // not optimal (some points get drawn twice) but simple,
14333   // and fast enough for the few points we are drawing
14334
14335   for (x = 0; x <= radius; x++)
14336   {
14337     int sx, sy, sx2, sy2, lx, ly;
14338
14339     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14340
14341     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14342     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14343     sx = getLoResScreenPos(sx2);
14344     sy = getLoResScreenPos(sy2);
14345     lx = sx + level_xpos;
14346     ly = sy + level_ypos;
14347
14348     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14349       DrawLineElement(sx2, sy2, element, change_level);
14350   }
14351
14352   for (y = 0; y <= radius; y++)
14353   {
14354     int sx, sy, sx2, sy2, lx, ly;
14355
14356     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14357
14358     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14359     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14360     sx = getLoResScreenPos(sx2);
14361     sy = getLoResScreenPos(sy2);
14362     lx = sx + level_xpos;
14363     ly = sy + level_ypos;
14364
14365     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14366       DrawLineElement(sx2, sy2, element, change_level);
14367   }
14368 }
14369
14370 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14371                     int element, boolean change_level)
14372 {
14373   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14374   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14375
14376   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14377 }
14378
14379 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14380
14381 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14382 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14383                        int element, boolean change_level)
14384 {
14385   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14386   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14387   int mirror_to_x2 = from_x - (to_x2 - from_x);
14388   int mirror_to_y2 = from_y - (to_y2 - from_y);
14389
14390   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14391   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14392   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14393   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14394 }
14395 #endif
14396
14397 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14398 {
14399   int from_sx, from_sy;
14400   int to_sx, to_sy;
14401
14402   if (from_x > to_x)
14403     swap_numbers(&from_x, &to_x);
14404
14405   if (from_y > to_y)
14406     swap_numbers(&from_y, &to_y);
14407
14408   from_sx = SX + from_x * ed_tilesize;
14409   from_sy = SY + from_y * ed_tilesize;
14410   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14411   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14412
14413   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14414   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14415   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14416   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14417
14418   if (from_x == to_x && from_y == to_y)
14419     MarkTileDirty(from_x/2, from_y/2);
14420   else
14421     redraw_mask |= REDRAW_FIELD;
14422 }
14423
14424 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14425                         int element, boolean change_level)
14426 {
14427   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14428 }
14429
14430 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14431                        int element, boolean change_level)
14432 {
14433   if (element == -1 || change_level)
14434     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14435   else
14436     DrawAreaBorder(from_x, from_y, to_x, to_y);
14437 }
14438
14439 // values for CopyBrushExt()
14440 #define CB_AREA_TO_BRUSH                0
14441 #define CB_BRUSH_TO_CURSOR              1
14442 #define CB_BRUSH_TO_LEVEL               2
14443 #define CB_DELETE_OLD_CURSOR            3
14444 #define CB_DUMP_BRUSH                   4
14445 #define CB_DUMP_BRUSH_SMALL             5
14446 #define CB_CLIPBOARD_TO_BRUSH           6
14447 #define CB_BRUSH_TO_CLIPBOARD           7
14448 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14449 #define CB_UPDATE_BRUSH_POSITION        9
14450 #define CB_FLIP_BRUSH_X                 10
14451 #define CB_FLIP_BRUSH_Y                 11
14452 #define CB_FLIP_BRUSH_XY                12
14453
14454 #define MAX_CB_PART_SIZE        10
14455 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14456 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14457 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14458                                  MAX_CB_NUM_LINES *     \
14459                                  MAX_CB_PART_SIZE)
14460
14461 static int getFlippedTileExt(int map[], int element)
14462 {
14463   int i;
14464
14465   for (i = 0; map[i] != -1; i++)
14466     if (map[i] == element)
14467       return map[i ^ 1];        // get flipped element by flipping LSB of index
14468
14469   return element;
14470 }
14471
14472 static int getFlippedTileX(int element)
14473 {
14474   int map[] =
14475   {
14476     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14477     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14478     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14479     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14480     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14481     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14482     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14483     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14484     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14485     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14486     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14487     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14488     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14489     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14490     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14491     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14492     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14493     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14494     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14495     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14496     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14497     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14498     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14499     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14500     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14501     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14502     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14503     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14504     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14505     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14506
14507     -1
14508   };
14509
14510   return getFlippedTileExt(map, element);
14511 }
14512
14513 static int getFlippedTileY(int element)
14514 {
14515   int map[] =
14516   {
14517     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14518     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14519     EL_BUG_UP,                          EL_BUG_DOWN,
14520     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14521     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14522     EL_ARROW_UP,                        EL_ARROW_DOWN,
14523     EL_MOLE_UP,                         EL_MOLE_DOWN,
14524     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14525     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14526     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14527     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14528     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14529     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14530     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14531     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14532     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14533     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14534     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14535     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14536     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14537     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14538     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14539     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14540     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14541
14542     -1
14543   };
14544
14545   return getFlippedTileExt(map, element);
14546 }
14547
14548 static int getFlippedTileXY(int element)
14549 {
14550   int map[] =
14551   {
14552     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14553     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14554     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14555     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14556     EL_BUG_LEFT,                        EL_BUG_UP,
14557     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14558     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14559     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14560     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14561     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14562     EL_ARROW_LEFT,                      EL_ARROW_UP,
14563     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14564     EL_MOLE_LEFT,                       EL_MOLE_UP,
14565     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14566     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14567     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14568     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14569     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14570     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14571     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14572     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14573     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14574     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14575     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14576     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14577     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14578     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14579     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14580     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14581     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14582     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14583     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14584     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14585     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14586     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14587     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14588     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14589     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14590     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14591     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14592     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14593     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14594
14595     -1
14596   };
14597
14598   return getFlippedTileExt(map, element);
14599 }
14600
14601 static int getFlippedTile(int element, int mode)
14602 {
14603   if (IS_MM_ELEMENT(element))
14604   {
14605     // get MM game element
14606     element = map_element_RND_to_MM(element);
14607
14608     // get flipped game element
14609     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14610                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14611                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14612                element);
14613
14614     // get RND game element again
14615     element = map_element_MM_to_RND(element);
14616   }
14617   else
14618   {
14619     // get flipped game element
14620     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14621                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14622                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14623                element);
14624   }
14625
14626   return element;
14627 }
14628
14629 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14630 {
14631   // flip tiles
14632   short tile1_flipped = getFlippedTile(*tile1, mode);
14633   short tile2_flipped = getFlippedTile(*tile2, mode);
14634
14635   // swap tiles
14636   *tile1 = tile2_flipped;
14637   *tile2 = tile1_flipped;
14638 }
14639
14640 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14641 {
14642   DrawLineElement(sx, sy, element, change_level);
14643 }
14644
14645 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14646                          int button, int mode)
14647 {
14648   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14649   static int brush_width, brush_height;
14650   static int last_cursor_x = -1, last_cursor_y = -1;
14651   static boolean delete_old_brush = FALSE;
14652   int new_element = BUTTON_ELEMENT(button);
14653   int x, y;
14654
14655   if (mode == CB_DUMP_BRUSH ||
14656       mode == CB_DUMP_BRUSH_SMALL ||
14657       mode == CB_BRUSH_TO_CLIPBOARD ||
14658       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14659   {
14660     if (edit_mode != ED_MODE_DRAWING)
14661       return;
14662
14663     char part[MAX_CB_PART_SIZE + 1] = "";
14664     char text[MAX_CB_TEXT_SIZE + 1] = "";
14665     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14666     int height = (draw_with_brush ? brush_height : lev_fieldy);
14667     char *format = "%s%03d";
14668
14669     for (y = 0; y < height; y++)
14670       for (x = 0; x < width; x++)
14671         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14672           format = "%s%04d";
14673
14674     for (y = 0; y < height; y++)
14675     {
14676       for (x = 0; x < width; x++)
14677       {
14678         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14679         char *prefix = (mode == CB_DUMP_BRUSH ||
14680                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14681
14682         if (element >= NUM_FILE_ELEMENTS)
14683           element = EL_UNKNOWN;
14684
14685         // copy brush to level sketch text buffer for the R'n'D forum:
14686         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14687         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14688         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14689         strcat(text, part);
14690       }
14691
14692       strcat(text, "\n");
14693     }
14694
14695     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14696         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14697       SDL_SetClipboardText(text);
14698     else
14699       Print("%s", text);        // print brush data to console and log file
14700
14701     return;
14702   }
14703
14704   if (mode == CB_CLIPBOARD_TO_BRUSH)
14705   {
14706     if (edit_mode != ED_MODE_DRAWING)
14707       return;
14708
14709     if (!SDL_HasClipboardText())
14710     {
14711       Request("Clipboard is empty!", REQ_CONFIRM);
14712
14713       return;
14714     }
14715
14716     boolean copy_to_brush = (draw_with_brush ||
14717                              drawing_function == GADGET_ID_GRAB_BRUSH);
14718
14719     // this will delete the old brush, if already drawing with a brush
14720     if (copy_to_brush)
14721       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14722
14723     // initialization is required for "odd" (incomplete) clipboard content
14724     for (x = 0; x < MAX_LEV_FIELDX; x++)
14725       for (y = 0; y < MAX_LEV_FIELDY; y++)
14726         brush_buffer[x][y] = EL_EMPTY;
14727
14728     brush_width  = 0;
14729     brush_height = 0;
14730     x = 0;
14731     y = 0;
14732
14733     char *clipboard_text = SDL_GetClipboardText();
14734     char *ptr = clipboard_text;
14735     boolean allow_new_row = FALSE;
14736     boolean stop = FALSE;
14737
14738     while (*ptr && !stop)
14739     {
14740       boolean prefix_found = FALSE;
14741       boolean start_new_row = FALSE;
14742
14743       // level sketch element number prefixes (may be multi-byte characters)
14744       char *prefix_list[] = { "`", "¸" };
14745       int i;
14746
14747       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14748       {
14749         char *prefix = prefix_list[i];
14750
14751         // check if string is large enough for prefix
14752         if (strlen(ptr) < strlen(prefix))
14753         {
14754           stop = TRUE;
14755
14756           break;
14757         }
14758
14759         // check if string starts with prefix
14760         if (strPrefix(ptr, prefix))
14761         {
14762           ptr += strlen(prefix);
14763
14764           prefix_found = TRUE;
14765
14766           break;
14767         }
14768       }
14769
14770       // check if prefix found and followed by (at least) three digits
14771       if (prefix_found &&
14772           strlen(ptr) >= 3 &&
14773           ptr[0] >= '0' && ptr[0] <= '9' &&
14774           ptr[1] >= '0' && ptr[1] <= '9' &&
14775           ptr[2] >= '0' && ptr[2] <= '9')
14776       {
14777         int element = ((ptr[0] - '0') * 100 +
14778                        (ptr[1] - '0') * 10 +
14779                        (ptr[2] - '0'));
14780
14781         ptr += 3;
14782
14783         // level sketch element number might consist of four digits
14784         if (ptr[0] >= '0' && ptr[0] <= '9')
14785         {
14786           element = element * 10 + (ptr[0] - '0');
14787           ptr++;
14788         }
14789
14790         // remap some (historic, now obsolete) elements
14791         element = getMappedElement(element);
14792
14793         if (element >= NUM_FILE_ELEMENTS)
14794           element = EL_UNKNOWN;
14795
14796         brush_buffer[x][y] = element;
14797
14798         brush_width  = MAX(x + 1, brush_width);
14799         brush_height = MAX(y + 1, brush_height);
14800
14801         x++;
14802
14803         if (x >= MAX_LEV_FIELDX)
14804           start_new_row = TRUE;
14805
14806         allow_new_row = TRUE;
14807       }
14808       else
14809       {
14810         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14811           start_new_row = TRUE;
14812
14813         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14814       }
14815
14816       if (start_new_row)
14817       {
14818         x = 0;
14819         y++;
14820
14821         if (y >= MAX_LEV_FIELDY)
14822           stop = TRUE;
14823
14824         allow_new_row = FALSE;
14825       }
14826     }
14827
14828     SDL_free(clipboard_text);
14829
14830     if (brush_width == 0 || brush_height == 0)
14831     {
14832       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14833
14834       return;
14835     }
14836
14837     if (copy_to_brush)
14838     {
14839       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14840       int mx, my;
14841
14842       SDL_GetMouseState(&mx, &my);
14843
14844       // if inside drawing area, activate and draw brush at last mouse position
14845       if (mx >= gi->x && mx < gi->x + gi->width &&
14846           my >= gi->y && my < gi->y + gi->height)
14847         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14848
14849       draw_with_brush = TRUE;
14850     }
14851     else
14852     {
14853       char request[100];
14854
14855       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14856               brush_width, brush_height);
14857
14858       if (!Request(request, REQ_ASK))
14859         return;
14860
14861       for (x = 0; x < MAX_LEV_FIELDX; x++)
14862         for (y = 0; y < MAX_LEV_FIELDY; y++)
14863           Tile[x][y] = brush_buffer[x][y];
14864
14865       lev_fieldx = level.fieldx = brush_width;
14866       lev_fieldy = level.fieldy = brush_height;
14867
14868       boolean use_bd_engine = TRUE;
14869       boolean use_em_engine = TRUE;
14870       boolean use_sp_engine = TRUE;
14871       boolean use_mm_engine = TRUE;
14872
14873       for (x = 0; x < MAX_LEV_FIELDX; x++)
14874       {
14875         for (y = 0; y < MAX_LEV_FIELDY; y++)
14876         {
14877           int element = Tile[x][y];
14878
14879           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14880             use_bd_engine = FALSE;
14881
14882           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14883             use_em_engine = FALSE;
14884
14885           if (!IS_SP_ELEMENT(element))
14886             use_sp_engine = FALSE;
14887
14888           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14889             use_mm_engine = FALSE;
14890         }
14891       }
14892
14893       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14894                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14895                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14896                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14897                                 GAME_ENGINE_TYPE_RND);
14898
14899       // update element selection list
14900       ReinitializeElementList();
14901       ModifyEditorElementList();
14902
14903       SetBorderElement();
14904
14905       DrawEditModeWindow();
14906       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14907     }
14908
14909     return;
14910   }
14911
14912   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14913     return;
14914
14915   if (mode == CB_AREA_TO_BRUSH)
14916   {
14917     int from_lx, from_ly;
14918
14919     if (from_x > to_x)
14920       swap_numbers(&from_x, &to_x);
14921
14922     if (from_y > to_y)
14923       swap_numbers(&from_y, &to_y);
14924
14925     brush_width = to_x - from_x + 1;
14926     brush_height = to_y - from_y + 1;
14927
14928     from_lx = from_x + level_xpos;
14929     from_ly = from_y + level_ypos;
14930
14931     for (y = 0; y < brush_height; y++)
14932     {
14933       for (x = 0; x < brush_width; x++)
14934       {
14935         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14936
14937         if (button != 1)
14938           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14939       }
14940     }
14941
14942     if (button != 1)
14943       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14944
14945     delete_old_brush = FALSE;
14946   }
14947   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14948            mode == CB_BRUSH_TO_LEVEL)
14949   {
14950     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14951     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14952     int cursor_from_x = cursor_x - brush_width / 2;
14953     int cursor_from_y = cursor_y - brush_height / 2;
14954     int border_from_x = cursor_x, border_from_y = cursor_y;
14955     int border_to_x = cursor_x, border_to_y = cursor_y;
14956
14957     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14958       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14959
14960     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14961         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14962     {
14963       delete_old_brush = FALSE;
14964
14965       return;
14966     }
14967
14968     for (y = 0; y < brush_height; y++)
14969     {
14970       for (x = 0; x < brush_width; x++)
14971       {
14972         int sx = cursor_from_x + x;
14973         int sy = cursor_from_y + y;
14974         int lx = sx + level_xpos;
14975         int ly = sy + level_ypos;
14976         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14977         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14978                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14979                        brush_buffer[x][y] : new_element);
14980
14981         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14982         {
14983           if (sx < border_from_x)
14984             border_from_x = sx;
14985           else if (sx > border_to_x)
14986             border_to_x = sx;
14987           if (sy < border_from_y)
14988             border_from_y = sy;
14989           else if (sy > border_to_y)
14990             border_to_y = sy;
14991
14992           DrawBrushElement(sx, sy, element, change_level);
14993         }
14994       }
14995     }
14996
14997     if (mode != CB_DELETE_OLD_CURSOR)
14998       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14999
15000     last_cursor_x = cursor_x;
15001     last_cursor_y = cursor_y;
15002
15003     delete_old_brush = TRUE;
15004   }
15005   else if (mode == CB_FLIP_BRUSH_X)
15006   {
15007     for (y = 0; y < brush_height; y++)
15008       for (x = 0; x < (brush_width + 1) / 2; x++)
15009         SwapFlippedTiles(&brush_buffer[x][y],
15010                          &brush_buffer[brush_width - x - 1][y], mode);
15011
15012     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15013   }
15014   else if (mode == CB_FLIP_BRUSH_Y)
15015   {
15016     for (y = 0; y < (brush_height + 1) / 2; y++)
15017       for (x = 0; x < brush_width; x++)
15018         SwapFlippedTiles(&brush_buffer[x][y],
15019                          &brush_buffer[x][brush_height - y - 1], mode);
15020
15021     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15022   }
15023   else if (mode == CB_FLIP_BRUSH_XY)
15024   {
15025     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15026
15027     for (y = 0; y < MAX(brush_width, brush_height); y++)
15028       for (x = 0; x <= y; x++)
15029         SwapFlippedTiles(&brush_buffer[x][y],
15030                          &brush_buffer[y][x], mode);
15031
15032     swap_numbers(&brush_width, &brush_height);
15033
15034     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15035   }
15036
15037   if (mode == CB_UPDATE_BRUSH_POSITION)
15038   {
15039     last_cursor_x = from_x;
15040     last_cursor_y = from_y;
15041   }
15042 }
15043
15044 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
15045                             int button)
15046 {
15047   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
15048 }
15049
15050 static void CopyBrushToLevel(int x, int y, int button)
15051 {
15052   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
15053 }
15054
15055 static void CopyBrushToCursor(int x, int y)
15056 {
15057   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15058 }
15059
15060 static void UpdateBrushPosition(int x, int y)
15061 {
15062   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
15063 }
15064
15065 static void DeleteBrushFromCursor(void)
15066 {
15067   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15068 }
15069
15070 static void FlipBrushX(void)
15071 {
15072   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15073 }
15074
15075 static void FlipBrushY(void)
15076 {
15077   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
15078 }
15079
15080 static void RotateBrush(void)
15081 {
15082   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
15083   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15084 }
15085
15086 void DumpBrush(void)
15087 {
15088   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
15089 }
15090
15091 void DumpBrush_Small(void)
15092 {
15093   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
15094 }
15095
15096 void CopyClipboardToBrush(void)
15097 {
15098   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
15099 }
15100
15101 void CopyBrushToClipboard(void)
15102 {
15103   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
15104 }
15105
15106 void CopyBrushToClipboard_Small(void)
15107 {
15108   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
15109 }
15110
15111 void UndoLevelEditorOperation(void)
15112 {
15113   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
15114 }
15115
15116 void RedoLevelEditorOperation(void)
15117 {
15118   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15119 }
15120
15121 static void FloodFill(int from_x, int from_y, int fill_element)
15122 {
15123   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
15124 }
15125
15126 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
15127 {
15128   int from_x = from_sx2 + 2 * level_xpos;
15129   int from_y = from_sy2 + 2 * level_ypos;
15130   int max_fillx = lev_fieldx * 2;
15131   int max_filly = lev_fieldy * 2;
15132   short Fill[max_fillx][max_filly];
15133   int x, y;
15134
15135   for (x = 0; x < max_fillx; x++)
15136     for (y = 0; y < max_filly; y++)
15137       Fill[x][y] = getLevelElementHiRes(x, y);
15138
15139   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
15140                     Fill, max_fillx, max_filly);
15141
15142   for (x = 0; x < max_fillx; x++)
15143     for (y = 0; y < max_filly; y++)
15144       if (Fill[x][y] == fill_element)
15145         SetLevelElementHiRes(x, y, Fill[x][y]);
15146 }
15147
15148 // values for DrawLevelText() modes
15149 #define TEXT_INIT               0
15150 #define TEXT_SETCURSOR          1
15151 #define TEXT_WRITECHAR          2
15152 #define TEXT_BACKSPACE          3
15153 #define TEXT_NEWLINE            4
15154 #define TEXT_END                5
15155 #define TEXT_QUERY_TYPING       6
15156
15157 static int DrawLevelText(int sx, int sy, char letter, int mode)
15158 {
15159   static short delete_buffer[MAX_LEV_FIELDX];
15160   static int start_sx;
15161   static int last_sx, last_sy;
15162   static boolean typing = FALSE;
15163   int letter_element;
15164   int lx = 0, ly = 0;
15165
15166   // map lower case letters to upper case and convert special characters
15167   if (letter >= 'a' && letter <= 'z')
15168     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
15169   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
15170     letter_element = EL_CHAR_AUMLAUT;
15171   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
15172     letter_element = EL_CHAR_OUMLAUT;
15173   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
15174     letter_element = EL_CHAR_UUMLAUT;
15175   else if (letter == '^')
15176     letter_element = EL_CHAR_COPYRIGHT;
15177   else
15178     letter_element = EL_CHAR_ASCII0 + letter;
15179
15180   if (mode != TEXT_INIT)
15181   {
15182     if (!typing)
15183       return FALSE;
15184
15185     if (mode != TEXT_SETCURSOR)
15186     {
15187       sx = last_sx;
15188       sy = last_sy;
15189     }
15190
15191     lx = last_sx + level_xpos;
15192     ly = last_sy + level_ypos;
15193   }
15194
15195   switch (mode)
15196   {
15197     case TEXT_INIT:
15198       if (typing)
15199         DrawLevelText(0, 0, 0, TEXT_END);
15200
15201       typing = TRUE;
15202       start_sx = sx;
15203       last_sx = sx;
15204       last_sy = sy;
15205       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
15206       break;
15207
15208     case TEXT_SETCURSOR:
15209       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
15210       DrawAreaBorder(sx, sy, sx, sy);
15211       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
15212                      ed_tilesize, ed_tilesize);
15213       last_sx = sx;
15214       last_sy = sy;
15215       break;
15216
15217     case TEXT_WRITECHAR:
15218       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
15219       {
15220         if (new_element1 >= EL_STEEL_CHAR_START &&
15221             new_element1 <= EL_STEEL_CHAR_END)
15222           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
15223
15224         delete_buffer[sx - start_sx] = Tile[lx][ly];
15225         Tile[lx][ly] = letter_element;
15226
15227         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
15228           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
15229         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15230           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15231         else
15232           DrawLevelText(0, 0, 0, TEXT_END);
15233
15234         level.changed = TRUE;
15235       }
15236       break;
15237
15238     case TEXT_BACKSPACE:
15239       if (sx > start_sx)
15240       {
15241         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
15242         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
15243         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
15244       }
15245       break;
15246
15247     case TEXT_NEWLINE:
15248       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15249         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15250       else
15251         DrawLevelText(0, 0, 0, TEXT_END);
15252       break;
15253
15254     case TEXT_END:
15255       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15256       DrawEditorElement(sx, sy, Tile[lx][ly]);
15257       StopTextInput();
15258       typing = FALSE;
15259       break;
15260
15261     case TEXT_QUERY_TYPING:
15262       break;
15263
15264     default:
15265       break;
15266   }
15267
15268   return typing;
15269 }
15270
15271 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15272                           int element, boolean change_level)
15273 {
15274   int lx = sx + level_xpos;
15275   int ly = sy + level_ypos;
15276
15277   if (element == -1)
15278     DrawEditorElement(sx, sy, Tile[lx][ly]);
15279   else
15280     DrawAreaBorder(sx, sy, sx, sy);
15281 }
15282
15283 static void CheckLevelBorderElement(boolean redraw_playfield)
15284 {
15285   int last_border_element = BorderElement;
15286
15287   SetBorderElement();
15288
15289   if (redraw_playfield && BorderElement != last_border_element)
15290     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15291 }
15292
15293 static void CopyLevelToUndoBuffer(int mode)
15294 {
15295   static boolean accumulated_undo = FALSE;
15296   boolean new_undo_buffer_position = TRUE;
15297   int x, y;
15298
15299   if (undo_buffer_steps == 0)
15300     accumulated_undo = FALSE;
15301
15302   switch (mode)
15303   {
15304     case UNDO_IMMEDIATE:
15305       accumulated_undo = FALSE;
15306       break;
15307
15308     case UNDO_ACCUMULATE:
15309       if (accumulated_undo)
15310         new_undo_buffer_position = FALSE;
15311       accumulated_undo = TRUE;
15312       break;
15313
15314     default:
15315       break;
15316   }
15317
15318   if (new_undo_buffer_position)
15319   {
15320     // advance position in undo buffer ring
15321     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15322
15323     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15324       undo_buffer_steps++;
15325   }
15326
15327   // always reset redo buffer when storing level change into undo buffer
15328   redo_buffer_steps = 0;
15329
15330   for (x = 0; x < lev_fieldx; x++)
15331     for (y = 0; y < lev_fieldy; y++)
15332       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15333
15334   // check if drawing operation forces change of border style
15335   CheckLevelBorderElement(TRUE);
15336
15337   level.changed = TRUE;
15338 }
15339
15340 static void RandomPlacement(int new_element)
15341 {
15342   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15343   int num_free_positions = 0;
15344   int num_percentage, num_elements;
15345   int x, y;
15346
15347   ResetIntelliDraw();
15348
15349   // determine number of free positions for randomly placing the new element
15350   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15351   {
15352     free_position[x][y] =
15353       (random_placement_background_restricted ?
15354        Tile[x][y] == random_placement_background_element :
15355        Tile[x][y] != new_element);
15356
15357     if (free_position[x][y])
15358       num_free_positions++;
15359   }
15360
15361   // determine number of new elements to place there
15362   num_percentage = num_free_positions * random_placement_value / 100;
15363   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15364                   num_percentage : random_placement_value);
15365
15366   // if less free positions than elements to place, fill all these positions
15367   if (num_free_positions < num_elements)
15368   {
15369     for (x = 0; x < lev_fieldx; x++)
15370       for (y = 0; y < lev_fieldy; y++)
15371         if (free_position[x][y])
15372           SetElement(x, y, new_element);
15373   }
15374   else
15375   {
15376     while (num_elements > 0)
15377     {
15378       x = GetSimpleRandom(lev_fieldx);
15379       y = GetSimpleRandom(lev_fieldy);
15380
15381       // don't place element at the same position twice
15382       if (free_position[x][y])
15383       {
15384         free_position[x][y] = FALSE;
15385         SetElement(x, y, new_element);
15386         num_elements--;
15387       }
15388     }
15389   }
15390
15391   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15392   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15393 }
15394
15395 static void WrapLevel(int dx, int dy)
15396 {
15397   int wrap_dx = lev_fieldx - dx;
15398   int wrap_dy = lev_fieldy - dy;
15399   int x, y;
15400
15401   for (x = 0; x < lev_fieldx; x++)
15402     for (y = 0; y < lev_fieldy; y++)
15403       TileBackup[x][y] = Tile[x][y];
15404
15405   for (x = 0; x < lev_fieldx; x++)
15406     for (y = 0; y < lev_fieldy; y++)
15407       Tile[x][y] =
15408         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15409
15410   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15411   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15412 }
15413
15414 static void DrawAreaElementHighlight(boolean highlighted,
15415                                      boolean highlighted_similar)
15416 {
15417   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15418
15419   if (!highlighted)
15420     return;
15421
15422   int x, y;
15423
15424   for (x = 0; x < ed_fieldx; x++)
15425   {
15426     for (y = 0; y < ed_fieldy; y++)
15427     {
15428       boolean highlight = FALSE;
15429       int lx = x + level_xpos;
15430       int ly = y + level_ypos;
15431
15432       if (!IN_LEV_FIELD(lx, ly))
15433         continue;
15434
15435       // check if element is the same
15436       if (Tile[lx][ly] == new_element1)
15437         highlight = TRUE;
15438
15439       // check if element is similar
15440       if (highlighted_similar &&
15441           strEqual(element_info[Tile[lx][ly]].class_name,
15442                    element_info[new_element1].class_name))
15443         highlight = TRUE;
15444
15445       // check if element is matching MM style wall
15446       if (IS_MM_WALL(Tile[lx][ly]) &&
15447           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15448         highlight = TRUE;
15449
15450       if (!highlight)
15451         continue;
15452
15453       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15454       {
15455         int i;
15456
15457         for (i = 0; i < 4; i++)
15458         {
15459           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15460             continue;
15461
15462           int xx = x * 2 + (i % 2);
15463           int yy = y * 2 + (i / 2);
15464           int sx = SX + xx * ed_tilesize / 2;
15465           int sy = SY + yy * ed_tilesize / 2;
15466           int from_sx = sx;
15467           int from_sy = sy;
15468           int to_sx = sx + ed_tilesize / 2 - 1;
15469           int to_sy = sy + ed_tilesize / 2 - 1;
15470
15471           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15472           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15473           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15474           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15475         }
15476       }
15477       else
15478       {
15479         int sx = SX + x * ed_tilesize;
15480         int sy = SY + y * ed_tilesize;
15481         int from_sx = sx;
15482         int from_sy = sy;
15483         int to_sx = sx + ed_tilesize - 1;
15484         int to_sy = sy + ed_tilesize - 1;
15485
15486         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15487         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15488         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15489         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15490       }
15491     }
15492   }
15493 }
15494
15495 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15496 {
15497   char *template_filename_old = getLocalLevelTemplateFilename();
15498   char *template_filename_new =
15499     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15500
15501   if (copyFile(template_filename_old, template_filename_new) != 0)
15502     Request("Cannot copy level template!", REQ_CONFIRM);
15503
15504   free(template_filename_new);
15505 }
15506
15507 static void HandleDrawingAreas(struct GadgetInfo *gi)
15508 {
15509   static boolean started_inside_drawing_area = FALSE;
15510   static int last_sx = -1;
15511   static int last_sy = -1;
15512   static int last_sx2 = -1;
15513   static int last_sy2 = -1;
15514   int id = gi->custom_id;
15515   int type_id = gi->custom_type_id;
15516   boolean button_press_event;
15517   boolean button_release_event;
15518   boolean inside_drawing_area = !gi->event.off_borders;
15519   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15520   int actual_drawing_function;
15521   int button = gi->event.button;
15522   int new_element = BUTTON_ELEMENT(button);
15523   int sx = gi->event.x, sy = gi->event.y;
15524   int min_sx = 0, min_sy = 0;
15525   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15526   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15527   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15528   int sx2 = gi->event.mx / mini_item_xsize;
15529   int sy2 = gi->event.my / mini_item_ysize;
15530   int dx = sx2 % 2;
15531   int dy = sy2 % 2;
15532   int lx = 0, ly = 0;
15533   int x, y;
15534
15535   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15536   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15537
15538   // make sure to stay inside drawing area boundaries
15539   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15540   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15541
15542   if (draw_level)
15543   {
15544     int min_lx = 0, min_ly = 0;
15545     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15546
15547     // get positions inside level field
15548     lx = sx + level_xpos;
15549     ly = sy + level_ypos;
15550
15551     if (!IN_LEV_FIELD(lx, ly))
15552       inside_drawing_area = FALSE;
15553
15554     // make sure to stay inside level field boundaries
15555     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15556     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15557
15558     // correct drawing area positions accordingly
15559     sx = lx - level_xpos;
15560     sy = ly - level_ypos;
15561   }
15562
15563   // also correct MM wall-sized (double) drawing area positions accordingly
15564   if (sx2 / 2 < sx || sx2 / 2 > sx)
15565   {
15566     dx = (sx2 / 2 < sx ? 0 : 1);
15567     sx2 = sx * 2 + dx;
15568   }
15569   if (sy2 / 2 < sy || sy2 / 2 > sy)
15570   {
15571     dy = (sy2 / 2 < sy ? 0 : 1);
15572     sy2 = sy * 2 + dy;
15573   }
15574
15575   if (!button_press_event && !button_release_event)
15576   {
15577     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15578     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15579                              isHiresTileElement(old_element) &&
15580                              isHiresDrawElement(new_element));
15581
15582     // prevent handling events for every pixel position when moving mouse
15583     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15584         (sx2 == last_sx2 && sy2 == last_sy2))
15585       return;
15586   }
15587
15588   last_sx = sx;
15589   last_sy = sy;
15590   last_sx2 = sx2;
15591   last_sy2 = sy2;
15592
15593   if (button_press_event)
15594     started_inside_drawing_area = inside_drawing_area;
15595
15596   if (!started_inside_drawing_area)
15597     return;
15598
15599   if (!IS_VALID_BUTTON(button))
15600     return;
15601
15602   // handle info callback for each invocation of action callback
15603   gi->callback_info(gi);
15604
15605   // automatically switch to 'single item' drawing mode, if needed
15606   actual_drawing_function =
15607     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15608      drawing_function : GADGET_ID_SINGLE_ITEMS);
15609
15610   // clicking into drawing area with pressed Control key picks element
15611   if (GetKeyModState() & KMOD_Control)
15612   {
15613     last_drawing_function = drawing_function;
15614     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15615   }
15616
15617   if (GetKeyModState() & KMOD_Shift)
15618   {
15619     if (button_press_event || button_release_event)
15620       ResetIntelliDraw();
15621   }
15622
15623   SetDrawModeHiRes(-1);         // reset to normal draw mode
15624
15625   switch (actual_drawing_function)
15626   {
15627     case GADGET_ID_SINGLE_ITEMS:
15628       if (draw_level)
15629       {
15630         if (button_release_event)
15631         {
15632           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15633
15634           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15635               !inside_drawing_area)
15636             DeleteBrushFromCursor();
15637
15638           break;
15639         }
15640
15641         if (draw_with_brush)
15642         {
15643           CopyBrushToLevel(sx, sy, button);
15644         }
15645         else
15646         {
15647           SetDrawModeHiRes(new_element);
15648
15649           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15650           {
15651             // remove player at old position
15652             for (y = 0; y < lev_fieldy; y++)
15653             {
15654               for (x = 0; x < lev_fieldx; x++)
15655               {
15656                 int old_element = Tile[x][y];
15657
15658                 if (IS_PLAYER_ELEMENT(old_element) &&
15659                     IS_PLAYER_ELEMENT(new_element))
15660                 {
15661                   int replaced_with_element =
15662                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15663                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15664
15665                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15666                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15667
15668                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15669                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15670
15671                      new_element >= EL_PLAYER_1 &&
15672                      new_element <= EL_PLAYER_4 &&
15673                      new_element == old_element ? EL_EMPTY :
15674
15675                      old_element);
15676
15677                   SetElement(x, y, replaced_with_element);
15678                 }
15679                 else if (IS_MM_MCDUFFIN(old_element) &&
15680                          IS_MM_MCDUFFIN(new_element))
15681                 {
15682                   // remove McDuffin at old position
15683                   SetElement(x, y, EL_EMPTY);
15684                 }
15685               }
15686             }
15687           }
15688
15689           SetElementButton(lx, ly, dx, dy, new_element, button);
15690         }
15691       }
15692       else if (!button_release_event)
15693       {
15694         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15695
15696         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15697           DrawMiniGraphicExt(drawto,
15698                              gi->x + sx * MINI_TILEX,
15699                              gi->y + sy * MINI_TILEY,
15700                              el2edimg(new_element));
15701         else
15702           DrawFixedGraphicExt(drawto,
15703                               gi->x + sx * TILEX,
15704                               gi->y + sy * TILEY,
15705                               el2edimg(new_element), 0);
15706
15707         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15708           new_element = GFX_ELEMENT(new_element);
15709
15710         drawingarea_info[type_id].value[pos] = new_element;
15711
15712         CopyElementPropertiesToGame(properties_element);
15713
15714         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15715         {
15716           UpdateCustomElementGraphicGadgets();
15717
15718           FrameCounter = 0;     // restart animation frame counter
15719         }
15720       }
15721       break;
15722
15723     case GADGET_ID_CONNECTED_ITEMS:
15724       {
15725         static int last_sx = -1;
15726         static int last_sy = -1;
15727
15728         if (button_release_event)
15729           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15730
15731         SetDrawModeHiRes(new_element);
15732
15733         if (getDrawModeHiRes())
15734         {
15735           sx = sx2;
15736           sy = sy2;
15737         }
15738
15739         if (!button_press_event)
15740           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15741
15742         last_sx = sx;
15743         last_sy = sy;
15744       }
15745       break;
15746
15747     case GADGET_ID_LINE:
15748     case GADGET_ID_ARC:
15749     case GADGET_ID_RECTANGLE:
15750     case GADGET_ID_FILLED_BOX:
15751       SetDrawModeHiRes(new_element);
15752
15753       if (getDrawModeHiRes())
15754       {
15755         sx = sx2;
15756         sy = sy2;
15757       }
15758       // FALLTHROUGH
15759     case GADGET_ID_GRAB_BRUSH:
15760     case GADGET_ID_TEXT:
15761       {
15762         static int last_sx = -1;
15763         static int last_sy = -1;
15764         static int start_sx = -1;
15765         static int start_sy = -1;
15766         void (*draw_func)(int, int, int, int, int, boolean);
15767
15768         if (drawing_function == GADGET_ID_LINE)
15769           draw_func = DrawLine;
15770         else if (drawing_function == GADGET_ID_ARC)
15771           draw_func = DrawArc;
15772         else if (drawing_function == GADGET_ID_RECTANGLE)
15773           draw_func = DrawBox;
15774         else if (drawing_function == GADGET_ID_FILLED_BOX)
15775           draw_func = DrawFilledBox;
15776         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15777           draw_func = SelectArea;
15778         else // (drawing_function == GADGET_ID_TEXT)
15779           draw_func = SetTextCursor;
15780
15781         if (button_press_event)
15782         {
15783           draw_func(sx, sy, sx, sy, new_element, FALSE);
15784           start_sx = last_sx = sx;
15785           start_sy = last_sy = sy;
15786
15787           if (drawing_function == GADGET_ID_TEXT)
15788             DrawLevelText(0, 0, 0, TEXT_END);
15789         }
15790         else if (button_release_event)
15791         {
15792           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15793           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15794           {
15795             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15796             CopyBrushToCursor(sx, sy);
15797             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15798                           MB_LEFTBUTTON);
15799             draw_with_brush = TRUE;
15800           }
15801           else if (drawing_function == GADGET_ID_TEXT)
15802             DrawLevelText(sx, sy, 0, TEXT_INIT);
15803           else
15804             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15805         }
15806         else if (last_sx != sx || last_sy != sy)
15807         {
15808           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15809           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15810             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15811           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15812           last_sx = sx;
15813           last_sy = sy;
15814         }
15815       }
15816       break;
15817
15818     case GADGET_ID_FLOOD_FILL:
15819       if (button_press_event && Tile[lx][ly] != new_element)
15820       {
15821         if (IS_MM_WALL_EDITOR(new_element))
15822           FloodFillWall_MM(sx2, sy2, new_element);
15823         else
15824           FloodFill(lx, ly, new_element);
15825
15826         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15827         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15828       }
15829       break;
15830
15831     case GADGET_ID_PICK_ELEMENT:
15832       if (button_release_event)
15833         ClickOnGadget(level_editor_gadget[last_drawing_function],
15834                       MB_LEFTBUTTON);
15835       else if (draw_level)
15836         PickDrawingElement(button, Tile[lx][ly]);
15837       else
15838       {
15839         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15840
15841         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15842       }
15843
15844     default:
15845       break;
15846   }
15847
15848   // do not mark level as modified for certain non-level-changing gadgets
15849   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15850        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15851       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15852       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15853     return;
15854
15855   level.changed = TRUE;
15856 }
15857
15858 static void HandleCounterButtons(struct GadgetInfo *gi)
15859 {
15860   int gadget_id = gi->custom_id;
15861   int counter_id = gi->custom_type_id;
15862   int button = gi->event.button;
15863   int *counter_value = counterbutton_info[counter_id].value;
15864   int step = BUTTON_STEPSIZE(button) *
15865     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15866
15867   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15868   {
15869     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15870     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15871     boolean level_changed = LevelChanged();
15872
15873     if ((level_changed && pressed) || (!level_changed && released))
15874       return;
15875
15876     if (level_changed && !Request("Level has changed! Discard changes?",
15877                                   REQ_ASK))
15878     {
15879       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15880         ModifyEditorCounterValue(counter_id, *counter_value);
15881
15882       return;
15883     }
15884   }
15885
15886   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15887     *counter_value = gi->textinput.number_value;
15888   else
15889     ModifyEditorCounterValue(counter_id, *counter_value + step);
15890
15891   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15892   {
15893     int last_game_engine_type = level.game_engine_type;
15894
15895     LoadLevel(level_nr);
15896     LoadScore(level_nr);
15897
15898     SaveLevelSetup_SeriesInfo();
15899
15900     TapeErase();
15901
15902     ResetUndoBuffer();
15903     DrawEditModeWindow();
15904
15905     if (level.game_engine_type != last_game_engine_type)
15906     {
15907       // update element selection list
15908       ReinitializeElementList();
15909       ModifyEditorElementList();
15910     }
15911
15912     return;
15913   }
15914
15915   switch (counter_id)
15916   {
15917     case ED_COUNTER_ID_YAMYAM_CONTENT:
15918       DrawYamYamContentAreas();
15919       break;
15920
15921     case ED_COUNTER_ID_BALL_CONTENT:
15922       DrawMagicBallContentAreas();
15923       break;
15924
15925     case ED_COUNTER_ID_ANDROID_CONTENT:
15926       DrawAndroidElementArea();
15927       break;
15928
15929     case ED_COUNTER_ID_GROUP_CONTENT:
15930       DrawGroupElementArea();
15931       CopyGroupElementPropertiesToGame(properties_element);
15932       break;
15933
15934     case ED_COUNTER_ID_INVENTORY_SIZE:
15935       DrawPlayerInitialInventoryArea(properties_element);
15936       break;
15937
15938     case ED_COUNTER_ID_MM_BALL_CONTENT:
15939       DrawMMBallContentArea();
15940       break;
15941
15942     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15943     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15944       DrawEnvelopeTextArea(-1);
15945       break;
15946
15947     case ED_COUNTER_ID_LEVEL_XSIZE:
15948     case ED_COUNTER_ID_LEVEL_YSIZE:
15949       lev_fieldx = level.fieldx;
15950       lev_fieldy = level.fieldy;
15951
15952       // check if resizing of level results in change of border border
15953       SetBorderElement();
15954
15955       break;
15956
15957     default:
15958       break;
15959   }
15960
15961   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15962        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15963       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15964        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15965     CopyElementPropertiesToGame(properties_element);
15966
15967   // do not mark level as modified for certain non-level-changing gadgets
15968   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15969        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15970       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15971        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15972     return;
15973
15974   level.changed = TRUE;
15975 }
15976
15977 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15978 {
15979   int type_id = gi->custom_type_id;
15980
15981   strcpy(textinput_info[type_id].value, gi->textinput.value);
15982
15983   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15984   {
15985     CopyElementPropertiesToGame(properties_element);
15986
15987     ModifyEditorElementList();  // update changed button info text
15988   }
15989
15990   // do not mark level as modified for certain non-level-changing gadgets
15991   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15992       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15993     return;
15994
15995   level.changed = TRUE;
15996 }
15997
15998 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15999 {
16000   int type_id = gi->custom_type_id;
16001
16002   strncpy(textarea_info[type_id].value, gi->textarea.value,
16003           MAX_ENVELOPE_TEXT_LEN);
16004   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
16005
16006   level.changed = TRUE;
16007 }
16008
16009 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
16010 {
16011   int type_id = gi->custom_type_id;
16012   int value_old = *selectbox_info[type_id].value;
16013   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
16014
16015   *selectbox_info[type_id].value = value_new;
16016
16017   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
16018   {
16019     DrawLevelConfigWindow();
16020   }
16021   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16022   {
16023     element_info[properties_element].current_change_page = gi->selectbox.index;
16024
16025     DrawPropertiesWindow();
16026   }
16027   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
16028             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
16029            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
16030             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
16031            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
16032   {
16033     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
16034     {
16035       // when changing action type, also check action mode and action arg
16036       if (value_old != value_new)
16037         setSelectboxSpecialActionVariablesIfNeeded();
16038
16039       DrawPropertiesChange();
16040     }
16041
16042     CopyElementPropertiesToGame(properties_element);
16043   }
16044   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
16045   {
16046     // show or hide "engine" tabulator depending on game engine type
16047     DrawLevelConfigWindow();
16048
16049     // update element selection list depending on game engine type
16050     ReinitializeElementList();
16051     ModifyEditorElementList();
16052   }
16053   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
16054   {
16055     // update BD cycle delay counter gadgets depending on BD scheduling type
16056     DrawLevelConfigWindow();
16057   }
16058
16059   // do not mark level as modified for certain non-level-changing gadgets
16060   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
16061       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16062     return;
16063
16064   level.changed = TRUE;
16065 }
16066
16067 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
16068 {
16069   int type_id = gi->custom_type_id;
16070   int i;
16071
16072   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
16073       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
16074   {
16075     edit_mode_levelconfig = gi->custom_type_id;
16076
16077     DrawLevelConfigWindow();
16078   }
16079   else if (type_id >= ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST &&
16080            type_id <= ED_TAB_BUTTON_ID_ENGINECONFIG_LAST)
16081   {
16082     edit_mode_engineconfig = gi->custom_type_id;
16083
16084     DrawLevelConfigWindow();
16085   }
16086   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
16087            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
16088   {
16089     edit_mode_properties = gi->custom_type_id;
16090
16091     DrawPropertiesWindow();
16092   }
16093   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
16094            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
16095   {
16096     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
16097
16098     // backup original "level.field" (needed to track playfield changes)
16099     CopyPlayfield(level.field, TileBackup);
16100
16101     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
16102     CopyPlayfield(Tile, level.field);
16103
16104     if (new_template ||
16105         Request("Save this template and kill the old?", REQ_ASK))
16106       SaveLevelTemplate();
16107
16108     if (new_template)
16109       Request("Template saved!", REQ_CONFIRM);
16110
16111     // restore original "level.field" (needed to track playfield changes)
16112     CopyPlayfield(TileBackup, level.field);
16113   }
16114   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
16115   {
16116     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
16117
16118     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
16119         leveldir_current->readonly)
16120     {
16121       Request("This level set is read-only!", REQ_CONFIRM);
16122
16123       return;
16124     }
16125
16126     if (strEqual(levelset_name, ""))
16127     {
16128       Request("Please enter level set title!", REQ_CONFIRM);
16129
16130       return;
16131     }
16132
16133     if (strEqual(levelset_author, ""))
16134     {
16135       Request("Please enter level set author!", REQ_CONFIRM);
16136
16137       return;
16138     }
16139
16140     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
16141     {
16142       if (UpdateUserLevelSet(levelset_subdir,
16143                              levelset_name,
16144                              levelset_author,
16145                              levelset_num_levels))
16146       {
16147         Request("Level set updated!", REQ_CONFIRM);
16148       }
16149       else
16150       {
16151         Request("Updating level set failed!", REQ_CONFIRM);
16152       }
16153     }
16154     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
16155     {
16156       if (level.changed && !Request("Level has changed! Discard changes?",
16157                                      REQ_ASK))
16158         return;
16159
16160       if (CreateUserLevelSet(levelset_subdir,
16161                              levelset_name,
16162                              levelset_author,
16163                              levelset_num_levels,
16164                              levelset_use_levelset_artwork))
16165       {
16166         if (levelset_copy_level_template)
16167           CopyLevelTemplateToUserLevelSet(levelset_subdir);
16168
16169         Request("New level set created!", REQ_CONFIRM);
16170
16171         AddUserLevelSetToLevelInfo(levelset_subdir);
16172         ChangeEditorToLevelSet(levelset_subdir);
16173       }
16174       else
16175       {
16176         Request("Creating new level set failed!", REQ_CONFIRM);
16177       }
16178     }
16179   }
16180   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
16181            custom_element.num_change_pages < MAX_CHANGE_PAGES)
16182   {
16183     struct ElementInfo *ei = &element_info[properties_element];
16184
16185     // when modifying custom element, ask for copying level template
16186     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16187       return;
16188
16189     setElementChangePages(ei, ei->num_change_pages + 1);
16190
16191     // set new change page to be new current change page
16192     ei->current_change_page = ei->num_change_pages - 1;
16193     ei->change = &ei->change_page[ei->current_change_page];
16194
16195     setElementChangeInfoToDefaults(ei->change);
16196
16197     DrawPropertiesWindow();
16198
16199     level.changed = TRUE;
16200   }
16201   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
16202            custom_element.num_change_pages > MIN_CHANGE_PAGES)
16203   {
16204     struct ElementInfo *ei = &element_info[properties_element];
16205
16206     // when modifying custom element, ask for copying level template
16207     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16208       return;
16209
16210     // copy all change pages after change page to be deleted
16211     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
16212       ei->change_page[i] = ei->change_page[i + 1];
16213
16214     setElementChangePages(ei, ei->num_change_pages - 1);
16215
16216     DrawPropertiesWindow();
16217
16218     level.changed = TRUE;
16219   }
16220 }
16221
16222 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
16223 {
16224   int type_id = gi->custom_type_id;
16225
16226   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
16227       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
16228   {
16229     struct ElementInfo *ei = &element_info[properties_element];
16230     int step = BUTTON_STEPSIZE(gi->event.button);
16231
16232     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
16233     ei->current_change_page += step;
16234
16235     if (ei->current_change_page < 0)
16236       ei->current_change_page = 0;
16237     else if (ei->current_change_page >= ei->num_change_pages)
16238       ei->current_change_page = ei->num_change_pages - 1;
16239
16240     DrawPropertiesWindow();
16241   }
16242   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
16243            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16244   {
16245     struct ElementInfo *ei = &element_info[properties_element];
16246     int current_change_page = ei->current_change_page;
16247
16248     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
16249     {
16250       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
16251         ei->change_page[current_change_page];
16252     }
16253     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16254     {
16255       // when modifying custom element, ask for copying level template
16256       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16257         return;
16258
16259       ei->change_page[current_change_page] =
16260         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
16261
16262       level.changed = TRUE;
16263     }
16264
16265     DrawPropertiesWindow();
16266   }
16267 }
16268
16269 static void HandleRadiobuttons(struct GadgetInfo *gi)
16270 {
16271   int type_id = gi->custom_type_id;
16272
16273   *radiobutton_info[type_id].value =
16274     radiobutton_info[type_id].checked_value;
16275
16276   // do not mark level as modified for certain non-level-changing gadgets
16277   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16278       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16279     return;
16280
16281   level.changed = TRUE;
16282 }
16283
16284 static void HandleCheckbuttons(struct GadgetInfo *gi)
16285 {
16286   int type_id = gi->custom_type_id;
16287
16288   *checkbutton_info[type_id].value ^= TRUE;
16289
16290   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16291       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16292       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16293       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16294          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16295         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16296          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16297        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16298   {
16299     CopyElementPropertiesToGame(properties_element);
16300   }
16301
16302   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16303   {
16304     UpdateCustomElementGraphicGadgets();
16305   }
16306   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16307            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16308   {
16309     boolean template_related_changes_found = FALSE;
16310     int i;
16311
16312     // check if any custom, group or empty elements have been changed
16313     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16314       if ((IS_CUSTOM_ELEMENT(i) ||
16315            IS_GROUP_ELEMENT(i) ||
16316            IS_EMPTY_ELEMENT(i)) &&
16317           element_info[i].modified_settings)
16318         template_related_changes_found = TRUE;
16319
16320     if (level.use_custom_template &&
16321         !fileExists(getGlobalLevelTemplateFilename()))
16322     {
16323       Request("No level template found!", REQ_CONFIRM);
16324
16325       level.use_custom_template = FALSE;
16326
16327       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16328
16329       return;
16330     }
16331
16332     if (level.use_custom_template &&
16333         template_related_changes_found &&
16334         !Request("Discard changes and use level template?", REQ_ASK))
16335     {
16336       level.use_custom_template = FALSE;
16337
16338       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16339
16340       return;
16341     }
16342
16343     if (!level.use_custom_template &&
16344         Request("Copy settings from level template?", REQ_ASK))
16345     {
16346       return;
16347     }
16348
16349     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16350
16351     DrawEditModeWindow();
16352   }
16353   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16354   {
16355     if (setup.editor.use_template_for_new_levels &&
16356         !fileExists(getGlobalLevelTemplateFilename()))
16357     {
16358       Request("No level template found!", REQ_CONFIRM);
16359
16360       return;
16361     }
16362
16363     if (setup.editor.use_template_for_new_levels &&
16364         level.changed &&
16365         !Request("Discard level and load template?", REQ_ASK))
16366     {
16367       return;
16368     }
16369
16370     if (!setup.editor.use_template_for_new_levels &&
16371         level.changed &&
16372         !Request("Discard level and use empty level?", REQ_ASK))
16373     {
16374       return;
16375     }
16376
16377     LoadLevel(level_nr);
16378     LoadScore(level_nr);
16379
16380     TapeErase();
16381
16382     ResetUndoBuffer();
16383     DrawEditModeWindow();
16384   }
16385   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16386   {
16387     SetAutomaticNumberOfGemsNeeded();
16388   }
16389
16390   // do not mark level as modified for certain non-level-changing gadgets
16391   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16392        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16393       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16394        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16395        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16396       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16397     return;
16398
16399   level.changed = TRUE;
16400 }
16401
16402 static void HandleControlButtons(struct GadgetInfo *gi)
16403 {
16404   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16405   static int last_edit_mode = ED_MODE_DRAWING;
16406   static int last_custom_copy_mode = -1;
16407   static int last_button = 0;
16408   int id = gi->custom_id;
16409   int button = gi->event.button;
16410   int step = BUTTON_STEPSIZE(button);
16411   int new_element = BUTTON_ELEMENT(button);
16412   int last_properties_element = properties_element;
16413   int x, y;
16414
16415   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16416     DrawLevelText(0, 0, 0, TEXT_END);
16417
16418   if (id < ED_NUM_CTRL1_BUTTONS &&
16419       id != GADGET_ID_SINGLE_ITEMS &&
16420       id != GADGET_ID_PICK_ELEMENT &&
16421       edit_mode != ED_MODE_DRAWING &&
16422       drawing_function != GADGET_ID_PICK_ELEMENT &&
16423       !(GetKeyModState() & KMOD_Control))
16424     ChangeEditModeWindow(ED_MODE_DRAWING);
16425
16426   // element copy mode active, but no element button pressed => deactivate
16427   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16428     last_custom_copy_mode = -1;
16429
16430   // when showing palette on element buttons, change element of button used
16431   if (editor.palette.show_on_element_buttons &&
16432       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16433   {
16434     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16435
16436     id = GADGET_ID_PALETTE;
16437   }
16438
16439   switch (id)
16440   {
16441     case GADGET_ID_SCROLL_LEFT:
16442       if (level_xpos >= 0)
16443       {
16444         if (lev_fieldx < ed_fieldx - 2)
16445           break;
16446
16447         level_xpos -= step;
16448         if (level_xpos < -1)
16449           level_xpos = -1;
16450         if (button == 1)
16451           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16452         else
16453           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16454
16455         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16456                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16457       }
16458       break;
16459
16460     case GADGET_ID_SCROLL_RIGHT:
16461       if (level_xpos <= lev_fieldx - ed_fieldx)
16462       {
16463         if (lev_fieldx < ed_fieldx - 2)
16464           break;
16465
16466         level_xpos += step;
16467         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16468           level_xpos = lev_fieldx - ed_fieldx + 1;
16469         if (button == 1)
16470           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16471         else
16472           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16473
16474         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16475                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16476       }
16477       break;
16478
16479     case GADGET_ID_SCROLL_UP:
16480       if (level_ypos >= 0)
16481       {
16482         if (lev_fieldy < ed_fieldy - 2)
16483           break;
16484
16485         level_ypos -= step;
16486         if (level_ypos < -1)
16487           level_ypos = -1;
16488         if (button == 1)
16489           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16490         else
16491           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16492
16493         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16494                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16495       }
16496       break;
16497
16498     case GADGET_ID_SCROLL_DOWN:
16499       if (level_ypos <= lev_fieldy - ed_fieldy)
16500       {
16501         if (lev_fieldy < ed_fieldy - 2)
16502           break;
16503
16504         level_ypos += step;
16505         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16506           level_ypos = lev_fieldy - ed_fieldy + 1;
16507         if (button == 1)
16508           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16509         else
16510           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16511
16512         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16513                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16514       }
16515       break;
16516
16517     case GADGET_ID_SCROLL_HORIZONTAL:
16518       level_xpos = gi->event.item_position - 1;
16519
16520       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16521       BackToFront();
16522
16523       break;
16524
16525     case GADGET_ID_SCROLL_VERTICAL:
16526       level_ypos = gi->event.item_position - 1;
16527
16528       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16529       BackToFront();
16530
16531       break;
16532
16533     case GADGET_ID_SCROLL_LIST_UP:
16534     case GADGET_ID_SCROLL_LIST_DOWN:
16535     case GADGET_ID_SCROLL_LIST_VERTICAL:
16536       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16537         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16538       else
16539       {
16540         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16541         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16542
16543         if (element_shift < 0)
16544           element_shift = 0;
16545         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16546           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16547
16548         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16549                      GDI_SCROLLBAR_ITEM_POSITION,
16550                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16551       }
16552
16553       ModifyEditorElementList();
16554
16555       break;
16556
16557     case GADGET_ID_PROPERTIES:
16558       // always switch off element properties when they are already displayed
16559       last_properties_element = new_element;
16560     case GADGET_ID_ELEMENT_LEFT:
16561     case GADGET_ID_ELEMENT_MIDDLE:
16562     case GADGET_ID_ELEMENT_RIGHT:
16563       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16564                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16565                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16566                             new_element);
16567
16568       if (edit_mode != ED_MODE_PROPERTIES)
16569       {
16570         last_edit_mode = edit_mode;
16571
16572         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16573
16574         last_level_drawing_function = drawing_function;
16575         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16576                       MB_LEFTBUTTON);
16577       }
16578       else if (properties_element != last_properties_element)
16579       {
16580         DrawEditModeWindow();
16581       }
16582       else
16583       {
16584         ChangeEditModeWindow(ED_MODE_DRAWING);
16585
16586         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16587                       MB_LEFTBUTTON);
16588       }
16589       break;
16590
16591     case GADGET_ID_PALETTE:
16592       if (edit_mode != ED_MODE_PALETTE)
16593       {
16594         last_edit_mode = edit_mode;
16595
16596         ChangeEditModeWindow(ED_MODE_PALETTE);
16597       }
16598       else
16599       {
16600         ChangeEditModeWindow(last_edit_mode);
16601       }
16602       break;
16603
16604     case GADGET_ID_WRAP_LEFT:
16605       WrapLevel(-step, 0);
16606       break;
16607
16608     case GADGET_ID_WRAP_RIGHT:
16609       WrapLevel(step, 0);
16610       break;
16611
16612     case GADGET_ID_WRAP_UP:
16613       WrapLevel(0, -step);
16614       break;
16615
16616     case GADGET_ID_WRAP_DOWN:
16617       WrapLevel(0, step);
16618       break;
16619
16620     case GADGET_ID_SINGLE_ITEMS:
16621     case GADGET_ID_CONNECTED_ITEMS:
16622     case GADGET_ID_LINE:
16623     case GADGET_ID_ARC:
16624     case GADGET_ID_TEXT:
16625     case GADGET_ID_RECTANGLE:
16626     case GADGET_ID_FILLED_BOX:
16627     case GADGET_ID_FLOOD_FILL:
16628     case GADGET_ID_GRAB_BRUSH:
16629     case GADGET_ID_PICK_ELEMENT:
16630       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16631         last_drawing_function = drawing_function;
16632       drawing_function = id;
16633       draw_with_brush = FALSE;
16634       break;
16635
16636     case GADGET_ID_RANDOM_PLACEMENT:
16637       RandomPlacement(new_element);
16638       break;
16639
16640     case GADGET_ID_ZOOM:
16641       // zoom level editor tile size in or out (or reset to default size)
16642       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16643                      button == 2 ? ed_tilesize_default :
16644                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16645
16646       // when using touch device, cycle through all zoom tilesizes
16647       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16648         ed_tilesize = MICRO_TILESIZE;
16649
16650       // limit zoom level by upper and lower bound
16651       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16652
16653       InitZoomLevelSettings(ed_tilesize);
16654
16655       if (edit_mode == ED_MODE_DRAWING)
16656       {
16657         DrawDrawingWindow();
16658
16659         // redraw zoom gadget info text
16660         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16661       }
16662
16663       // save current editor zoom tilesize
16664       SaveSetup_AutoSetup();
16665
16666       break;
16667
16668     case GADGET_ID_CUSTOM_COPY_FROM:
16669     case GADGET_ID_CUSTOM_COPY_TO:
16670     case GADGET_ID_CUSTOM_EXCHANGE:
16671       last_custom_copy_mode = id;
16672       last_drawing_function = drawing_function;
16673       break;
16674
16675     case GADGET_ID_CUSTOM_COPY:
16676       CopyCustomElement(properties_element, -1, id);
16677       break;
16678
16679     case GADGET_ID_CUSTOM_PASTE:
16680       CopyCustomElement(-1, properties_element, id);
16681       break;
16682
16683     case GADGET_ID_UNDO:
16684       if (button < 0)   // keep button value (even if modifier keys are pressed)
16685         button = -button;
16686       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16687         button = 3;
16688
16689       if (button == 1 && undo_buffer_steps == 0)
16690       {
16691         Request("Undo buffer empty!", REQ_CONFIRM);
16692
16693         break;
16694       }
16695       else if (button == 2)
16696       {
16697         break;
16698       }
16699       else if (button == 3 && redo_buffer_steps == 0)
16700       {
16701         Request("Redo buffer empty!", REQ_CONFIRM);
16702
16703         break;
16704       }
16705
16706       if (edit_mode != ED_MODE_DRAWING)
16707         ChangeEditModeWindow(ED_MODE_DRAWING);
16708
16709       if (button == 1)
16710       {
16711         // undo
16712
16713         undo_buffer_position =
16714           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16715
16716         undo_buffer_steps--;
16717         redo_buffer_steps++;
16718       }
16719       else
16720       {
16721         // redo
16722
16723         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16724
16725         undo_buffer_steps++;
16726         redo_buffer_steps--;
16727       }
16728
16729       for (x = 0; x < lev_fieldx; x++)
16730         for (y = 0; y < lev_fieldy; y++)
16731           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16732
16733       // check if undo operation forces change of border style
16734       CheckLevelBorderElement(FALSE);
16735
16736       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16737
16738       break;
16739
16740     case GADGET_ID_CONF:
16741       if (edit_mode != ED_MODE_LEVELCONFIG)
16742       {
16743         last_edit_mode = edit_mode;
16744
16745         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16746       }
16747       else
16748       {
16749         ChangeEditModeWindow(ED_MODE_DRAWING);
16750       }
16751       break;
16752
16753     case GADGET_ID_CLEAR:
16754       if (edit_mode != ED_MODE_DRAWING)
16755         ChangeEditModeWindow(ED_MODE_DRAWING);
16756
16757       for (x = 0; x < MAX_LEV_FIELDX; x++)
16758         for (y = 0; y < MAX_LEV_FIELDY; y++)
16759           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16760
16761       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16762
16763       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16764       break;
16765
16766     case GADGET_ID_SAVE:
16767     {
16768       // saving read-only levels into personal level set modifies global vars
16769       // "leveldir_current" and "level_nr"; restore them after saving level
16770       LevelDirTree *leveldir_former = leveldir_current;
16771       int level_nr_former = level_nr;
16772       char *level_filename;
16773       boolean new_level;
16774
16775       if (leveldir_current->readonly &&
16776           !PrepareSavingIntoPersonalLevelSet())
16777         break;
16778
16779       level_filename = getDefaultLevelFilename(level_nr);
16780       new_level = !fileExists(level_filename);
16781
16782       if (new_level ||
16783           Request("Save this level and kill the old?", REQ_ASK))
16784       {
16785         if (leveldir_former->readonly)
16786           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16787
16788         SetAutomaticNumberOfGemsNeeded();
16789
16790         CopyPlayfield(Tile, level.field);
16791         SaveLevel(level_nr);
16792
16793         level.changed = FALSE;
16794
16795         if (new_level)
16796         {
16797           char level_saved_msg[64];
16798
16799           if (leveldir_former->readonly)
16800             sprintf(level_saved_msg,
16801                     "Level saved as level %d into personal level set!",
16802                     level_nr);
16803           else
16804             strcpy(level_saved_msg, "Level saved!");
16805
16806           Request(level_saved_msg, REQ_CONFIRM);
16807         }
16808       }
16809
16810       // "cd" back to copied-from levelset (in case of saved read-only level)
16811       leveldir_current = leveldir_former;
16812       level_nr = level_nr_former;
16813
16814       break;
16815     }
16816
16817     case GADGET_ID_TEST:
16818       if (LevelChanged())
16819         level.game_version = GAME_VERSION_ACTUAL;
16820
16821       CopyPlayfield(level.field, TileBackup);
16822       CopyPlayfield(Tile, level.field);
16823
16824       CopyNativeLevel_RND_to_Native(&level);
16825
16826       UnmapLevelEditorGadgets();
16827       UndrawSpecialEditorDoor();
16828
16829       CloseDoor(DOOR_CLOSE_ALL);
16830
16831       // needed before playing if editor playfield area has different size
16832       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16833
16834       // redraw_mask = REDRAW_ALL;
16835
16836       level_editor_test_game = TRUE;
16837
16838       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16839
16840       break;
16841
16842     case GADGET_ID_EXIT:
16843       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16844       break;
16845
16846     default:
16847       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16848           id <= GADGET_ID_ELEMENTLIST_LAST)
16849       {
16850         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16851
16852         new_element = editor_elements[element_position + element_shift];
16853
16854         if (IS_EDITOR_CASCADE(new_element))
16855         {
16856           int i;
16857
16858           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16859           {
16860             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16861             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16862
16863             if (*cascade_element == new_element)
16864             {
16865               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16866               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16867
16868               // update element selection list
16869               ReinitializeElementList();
16870               ModifyEditorElementList();
16871
16872               // update cascading gadget info text
16873               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16874
16875               // save current editor cascading state
16876               SaveSetup_EditorCascade();
16877
16878               break;
16879             }
16880           }
16881
16882           break;
16883         }
16884
16885         if (last_custom_copy_mode != -1)
16886         {
16887           if (CopyCustomElement(properties_element, new_element,
16888                                 last_custom_copy_mode))
16889           {
16890             ClickOnGadget(level_editor_gadget[last_drawing_function],
16891                           MB_LEFTBUTTON);
16892
16893             last_custom_copy_mode = -1;
16894           }
16895
16896           break;
16897         }
16898
16899         // change element of button used to show palette
16900         if (editor.palette.show_on_element_buttons)
16901           button = last_button;
16902
16903         PickDrawingElement(button, new_element);
16904
16905         if (!stick_element_properties_window &&
16906             drawing_function != GADGET_ID_PICK_ELEMENT &&
16907             !(GetKeyModState() & KMOD_Control))
16908         {
16909           properties_element = new_element;
16910           if (edit_mode == ED_MODE_PROPERTIES)
16911             DrawPropertiesWindow();
16912         }
16913
16914         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16915           ClickOnGadget(level_editor_gadget[last_drawing_function],
16916                         MB_LEFTBUTTON);
16917
16918         if (!use_permanent_palette)
16919           ChangeEditModeWindow(last_edit_mode);
16920       }
16921 #ifdef DEBUG
16922       else if (gi->event.type == GD_EVENT_PRESSED)
16923         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16924       else if (gi->event.type == GD_EVENT_RELEASED)
16925         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16926       else if (gi->event.type == GD_EVENT_MOVING)
16927         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16928       else
16929         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16930 #endif
16931       break;
16932   }
16933 }
16934
16935 void HandleLevelEditorKeyInput(Key key)
16936 {
16937   char letter = getCharFromKey(key);
16938
16939   if (drawing_function == GADGET_ID_TEXT &&
16940       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16941   {
16942     if (letter)
16943       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16944     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16945       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16946     else if (key == KSYM_Return)
16947       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16948     else if (key == KSYM_Escape)
16949       DrawLevelText(0, 0, 0, TEXT_END);
16950
16951     return;
16952   }
16953
16954   int id = GADGET_ID_NONE;
16955   int new_element_shift = element_shift;
16956   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16957   int button = MB_LEFTBUTTON;
16958   int i;
16959
16960   switch (key)
16961   {
16962     case KSYM_Left:
16963       id = GADGET_ID_SCROLL_LEFT;
16964       break;
16965     case KSYM_Right:
16966       id = GADGET_ID_SCROLL_RIGHT;
16967       break;
16968     case KSYM_Up:
16969       id = GADGET_ID_SCROLL_UP;
16970       break;
16971     case KSYM_Down:
16972       id = GADGET_ID_SCROLL_DOWN;
16973       break;
16974
16975     case KSYM_Page_Up:
16976     case KSYM_Page_Down:
16977       step *= (key == KSYM_Page_Up ? -1 : +1);
16978       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16979
16980       if (element_shift < 0)
16981         element_shift = 0;
16982       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16983         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16984
16985       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16986                    GDI_SCROLLBAR_ITEM_POSITION,
16987                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16988
16989       ModifyEditorElementList();
16990
16991       break;
16992
16993     case KSYM_Home:
16994     case KSYM_End:
16995       element_shift = (key == KSYM_Home ? 0 :
16996                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16997
16998       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16999                    GDI_SCROLLBAR_ITEM_POSITION,
17000                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17001
17002       ModifyEditorElementList();
17003
17004       break;
17005
17006     case KSYM_Insert:
17007     case KSYM_Delete:
17008
17009       // this is needed to prevent interference with running "True X-Mouse"
17010       if (GetKeyModStateFromEvents() & KMOD_Control)
17011         break;
17012
17013       // check for last or next editor cascade block in element list
17014       for (i = 0; i < num_editor_elements; i++)
17015       {
17016         if ((key == KSYM_Insert && i == element_shift) ||
17017             (key == KSYM_Delete && new_element_shift > element_shift))
17018           break;
17019
17020         // jump to next cascade block (or to start of element list)
17021         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
17022           new_element_shift = i;
17023       }
17024
17025       if (i < num_editor_elements)
17026         element_shift = new_element_shift;
17027
17028       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17029         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17030
17031       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17032                    GDI_SCROLLBAR_ITEM_POSITION,
17033                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17034
17035       ModifyEditorElementList();
17036
17037       break;
17038
17039     case KSYM_Escape:
17040       if (edit_mode == ED_MODE_DRAWING)
17041         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
17042       else if (edit_mode == ED_MODE_LEVELCONFIG)
17043         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
17044       else if (edit_mode == ED_MODE_PROPERTIES)
17045         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
17046       else if (edit_mode == ED_MODE_PALETTE)
17047         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
17048       else              // should never happen
17049         ChangeEditModeWindow(ED_MODE_DRAWING);
17050
17051       break;
17052
17053     default:
17054       break;
17055   }
17056
17057   if (id != GADGET_ID_NONE)
17058     ClickOnGadget(level_editor_gadget[id], button);
17059   else if (letter == '1' || letter == '?')
17060     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
17061   else if (letter == '2')
17062     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
17063   else if (letter == '3')
17064     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
17065   else if (letter == '.')
17066     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
17067   else if (letter == 'U')
17068     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
17069   else if (letter == '-' || key == KSYM_KP_Subtract)
17070     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
17071   else if (letter == '0' || key == KSYM_KP_0)
17072     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
17073   else if (letter == '+' || key == KSYM_KP_Add ||
17074            letter == '=')       // ("Shift-=" is "+" on US keyboards)
17075     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
17076   else if (key == KSYM_Return ||
17077            key == KSYM_space ||
17078            key == setup.shortcut.toggle_pause)
17079     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
17080   else
17081     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
17082       if (letter && letter == controlbutton_info[i].shortcut)
17083         if (!anyTextGadgetActive())
17084           ClickOnGadget(level_editor_gadget[i], button);
17085
17086   if (draw_with_brush)
17087   {
17088     if (letter == 'x')
17089       FlipBrushX();
17090     else if (letter == 'y')
17091       FlipBrushY();
17092     else if (letter == 'z')
17093       RotateBrush();
17094   }
17095 }
17096
17097 static void HandleLevelEditorIdle_Properties(void)
17098 {
17099   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
17100   int x = editor.settings.element_graphic.x + element_border;
17101   int y = editor.settings.element_graphic.y + element_border;
17102   static DelayCounter action_delay = { 0 };
17103   int i;
17104
17105   action_delay.value = GameFrameDelay;
17106
17107   if (!DelayReached(&action_delay))
17108     return;
17109
17110   for (i = 0; i < ED_NUM_SELECTBOX; i++)
17111   {
17112     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
17113
17114     if (gi->mapped && gi->active && gi->selectbox.open)
17115       return;
17116   }
17117
17118   DrawEditorElementAnimation(SX + x, SY + y);
17119
17120   redraw_mask |= REDRAW_FIELD;
17121
17122   FrameCounter++;       // increase animation frame counter
17123 }
17124
17125 static void HandleLevelEditorIdle_Drawing(void)
17126 {
17127   static boolean last_highlighted = FALSE;
17128   static boolean last_highlighted_similar = FALSE;
17129   boolean highlighted = (GetKeyModState() & KMOD_Alt);
17130   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
17131
17132   if (highlighted != last_highlighted ||
17133       (highlighted && highlighted_similar != last_highlighted_similar))
17134   {
17135     DrawAreaElementHighlight(highlighted, highlighted_similar);
17136
17137     redraw_mask |= REDRAW_FIELD;
17138   }
17139
17140   last_highlighted = highlighted;
17141   last_highlighted_similar = highlighted_similar;
17142 }
17143
17144 void HandleLevelEditorIdle(void)
17145 {
17146   if (edit_mode == ED_MODE_PROPERTIES)
17147     HandleLevelEditorIdle_Properties();
17148   else if (edit_mode == ED_MODE_DRAWING)
17149     HandleLevelEditorIdle_Drawing();
17150 }
17151
17152 static void ClearEditorGadgetInfoText(void)
17153 {
17154   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
17155 }
17156
17157 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
17158 {
17159   char infotext[MAX_OUTPUT_LINESIZE + 1];
17160   int max_infotext_len = getMaxInfoTextLength();
17161
17162   if (gi == NULL || strlen(gi->info_text) == 0)
17163     return;
17164
17165   strncpy(infotext, gi->info_text, max_infotext_len);
17166   infotext[max_infotext_len] = '\0';
17167
17168   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
17169   {
17170     int key = controlbutton_info[gi->custom_id].shortcut;
17171
17172     if (key)
17173     {
17174       char shortcut[MAX_OUTPUT_LINESIZE + 1];
17175
17176       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
17177         sprintf(shortcut, " ('.' or '%c')", key);
17178       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
17179         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
17180       else if (gi->custom_id == GADGET_ID_TEST)
17181         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
17182       else if (gi->custom_id == GADGET_ID_UNDO)
17183         sprintf(shortcut, " ('%c/Shift-U')", key);
17184       else if (gi->custom_id == GADGET_ID_ZOOM)
17185         sprintf(shortcut, " ('%c', '0', '-')", key);
17186       else
17187         sprintf(shortcut, " ('%s%c')",
17188                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
17189
17190       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
17191         strcat(infotext, shortcut);
17192     }
17193   }
17194
17195   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
17196 }
17197
17198 void HandleEditorGadgetInfoText(void *ptr)
17199 {
17200   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
17201
17202   if (game_status != GAME_MODE_EDITOR)
17203     return;
17204
17205   ClearEditorGadgetInfoText();
17206
17207   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
17208     return;
17209
17210   // misuse this function to delete brush cursor, if needed
17211   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
17212     DeleteBrushFromCursor();
17213
17214   PrintEditorGadgetInfoText(gi);
17215 }
17216
17217 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
17218 {
17219   int id = gi->custom_id;
17220   int type_id = gi->custom_type_id;
17221   int sx = gi->event.x;
17222   int sy = gi->event.y;
17223   int lx = sx + level_xpos;
17224   int ly = sy + level_ypos;
17225   int min_sx = 0, min_sy = 0;
17226   int max_sx = gi->drawing.area_xsize - 1;
17227   int max_sy = gi->drawing.area_ysize - 1;
17228   int actual_drawing_function = drawing_function;
17229   int max_infotext_len = getMaxInfoTextLength();
17230   char infotext[MAX_OUTPUT_LINESIZE + 1];
17231
17232   infotext[0] = '\0';           // start with empty info text
17233
17234   // pressed Control key: simulate picking element
17235   if (GetKeyModState() & KMOD_Control)
17236     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
17237
17238   ClearEditorGadgetInfoText();
17239
17240   if (gi->event.type == GD_EVENT_INFO_LEAVING)
17241     return;
17242
17243   // make sure to stay inside drawing area boundaries
17244   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
17245   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
17246
17247   if (id == GADGET_ID_DRAWING_LEVEL)
17248   {
17249     if (button_status)
17250     {
17251       int min_lx = 0, min_ly = 0;
17252       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
17253
17254       // get positions inside level field
17255       lx = sx + level_xpos;
17256       ly = sy + level_ypos;
17257
17258       // make sure to stay inside level field boundaries
17259       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
17260       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
17261
17262       // correct drawing area positions accordingly
17263       sx = lx - level_xpos;
17264       sy = ly - level_ypos;
17265     }
17266
17267     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17268     {
17269       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17270       {
17271         static int start_lx = 0;
17272         static int start_ly = 0;
17273         char *text;
17274
17275         if (gi->event.type == GD_EVENT_PRESSED)
17276         {
17277           start_lx = lx;
17278           start_ly = ly;
17279         }
17280
17281         switch (actual_drawing_function)
17282         {
17283           case GADGET_ID_SINGLE_ITEMS:
17284             text = "Drawing single items";
17285             break;
17286           case GADGET_ID_CONNECTED_ITEMS:
17287             text = "Drawing connected items";
17288             break;
17289           case GADGET_ID_LINE:
17290             text = "Drawing line";
17291             break;
17292           case GADGET_ID_ARC:
17293             text = "Drawing arc";
17294             break;
17295           case GADGET_ID_TEXT:
17296             text = "Setting text cursor";
17297             break;
17298           case GADGET_ID_RECTANGLE:
17299             text = "Drawing rectangle";
17300             break;
17301           case GADGET_ID_FILLED_BOX:
17302             text = "Drawing filled box";
17303             break;
17304           case GADGET_ID_FLOOD_FILL:
17305             text = "Flood fill";
17306             break;
17307           case GADGET_ID_GRAB_BRUSH:
17308             text = "Grabbing brush";
17309             break;
17310           case GADGET_ID_PICK_ELEMENT:
17311             text = "Picking element";
17312             break;
17313
17314           default:
17315             text = "Drawing position";
17316             break;
17317         }
17318
17319         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17320           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17321         else
17322           sprintf(infotext, "%s: %d, %d", text,
17323                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17324       }
17325       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17326         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17327       else
17328         sprintf(infotext, "Level position: %d, %d", lx, ly);
17329     }
17330
17331     // misuse this function to draw brush cursor, if needed
17332     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17333     {
17334       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17335         CopyBrushToCursor(sx, sy);
17336       else
17337         DeleteBrushFromCursor();
17338     }
17339
17340     if (!draw_with_brush)
17341       UpdateBrushPosition(sx, sy);
17342   }
17343   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17344   {
17345     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17346     int element = drawingarea_info[type_id].value[pos];
17347
17348     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17349   }
17350   else
17351   {
17352     if (id == GADGET_ID_CUSTOM_CONTENT)
17353       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17354     else if (id == GADGET_ID_GROUP_CONTENT)
17355       sprintf(infotext, "group element position: %d", sx + 1);
17356     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17357              id <= GADGET_ID_YAMYAM_CONTENT_7)
17358       sprintf(infotext, "content area %d position: %d, %d",
17359               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17360     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17361              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17362       sprintf(infotext, "content area %d position: %d, %d",
17363               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17364     else if (id == GADGET_ID_ANDROID_CONTENT)
17365       sprintf(infotext, "android element position: %d", sx + 1);
17366     else if (drawingarea_info[type_id].infotext != NULL)
17367       strcpy(infotext, drawingarea_info[type_id].infotext);
17368   }
17369
17370   infotext[max_infotext_len] = '\0';
17371
17372   if (strlen(infotext) > 0)
17373     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17374 }
17375
17376 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17377                             boolean quick_quit)
17378 {
17379   if (!ask_if_level_has_changed ||
17380       !LevelChanged() ||
17381       Request("Level has changed! Exit without saving?",
17382               REQ_ASK | REQ_STAY_OPEN))
17383   {
17384     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17385     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17386
17387     // draw normal door
17388     UndrawSpecialEditorDoor();
17389
17390     // use door animation if door 1 viewport is unchanged and contains toolbox
17391     if (useEditorDoorAnimation())
17392       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17393
17394     // close editor doors if viewport definition is the same as in main menu
17395     if (vp_door_1->x      == DX     &&
17396         vp_door_1->y      == DY     &&
17397         vp_door_1->width  == DXSIZE &&
17398         vp_door_1->height == DYSIZE &&
17399         vp_door_2->x      == VX     &&
17400         vp_door_2->y      == VY     &&
17401         vp_door_2->width  == VXSIZE &&
17402         vp_door_2->height == VYSIZE)
17403       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17404     else
17405       SetDoorState(DOOR_CLOSE_ALL);
17406
17407     BackToFront();
17408
17409     if (quick_quit)
17410       FadeSkipNextFadeIn();
17411
17412     SetGameStatus(GAME_MODE_MAIN);
17413
17414     DrawMainMenu();
17415   }
17416   else
17417   {
17418     if (!global.use_envelope_request)
17419     {
17420       CloseDoor(DOOR_CLOSE_1);
17421       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17422     }
17423   }
17424 }