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, *text_left, *text_right, *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:", NULL, NULL,                       "Enter 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:", NULL, NULL,                      "Enter 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:", NULL, NULL,                       "Enter 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:", NULL, NULL,                      "Enter 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, NULL, NULL,                           "Enter 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     // determine horizontal offset for leading text
8423     if (textinput_info[i].text_left != NULL)
8424       x += getTextWidthForGadget(textinput_info[i].text_left);
8425
8426     sprintf(infotext, "%s", textinput_info[i].infotext);
8427     infotext[max_infotext_len] = '\0';
8428
8429     gi = CreateGadget(GDI_CUSTOM_ID, id,
8430                       GDI_CUSTOM_TYPE_ID, type_id,
8431                       GDI_INFO_TEXT, infotext,
8432                       GDI_X, SX + x,
8433                       GDI_Y, SY + y,
8434                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8435                       GDI_TEXT_VALUE, textinput_info[i].value,
8436                       GDI_TEXT_SIZE, textinput_info[i].size,
8437                       GDI_TEXT_FONT, FONT_INPUT_1,
8438                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8439                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8440                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8441                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8442                       GDI_DESIGN_WIDTH, gd->width,
8443                       GDI_EVENT_MASK, event_mask,
8444                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8445                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8446                       GDI_END);
8447
8448     if (gi == NULL)
8449       Fail("cannot create gadget");
8450
8451     level_editor_gadget[id] = gi;
8452   }
8453 }
8454
8455 static void CreateTextAreaGadgets(void)
8456 {
8457   int max_infotext_len = getMaxInfoTextLength();
8458   int i;
8459
8460   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8461   {
8462     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8463     int gd_x1 = gd->src_x;
8464     int gd_y1 = gd->src_y;
8465     int gd_x2 = gd->src_x + gd->active_xoffset;
8466     int gd_y2 = gd->src_y + gd->active_yoffset;
8467     struct GadgetInfo *gi;
8468     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8469     char infotext[MAX_OUTPUT_LINESIZE + 1];
8470     int id = textarea_info[i].gadget_id;
8471     int type_id = textarea_info[i].gadget_type_id;
8472     int area_xsize = textarea_info[i].xsize;
8473     int area_ysize = textarea_info[i].ysize;
8474
8475     if (type_id != i)
8476       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8477
8478     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8479     infotext[max_infotext_len] = '\0';
8480
8481     gi = CreateGadget(GDI_CUSTOM_ID, id,
8482                       GDI_CUSTOM_TYPE_ID, type_id,
8483                       GDI_INFO_TEXT, infotext,
8484                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8485                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8486                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8487                       GDI_AREA_SIZE, area_xsize, area_ysize,
8488                       GDI_TEXT_FONT, FONT_INPUT_1,
8489                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8490                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8491                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8492                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8493                       GDI_DESIGN_WIDTH, gd->width,
8494                       GDI_EVENT_MASK, event_mask,
8495                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8496                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8497                       GDI_END);
8498
8499     if (gi == NULL)
8500       Fail("cannot create gadget");
8501
8502     level_editor_gadget[id] = gi;
8503   }
8504 }
8505
8506 static void CreateSelectboxGadgets(void)
8507 {
8508   int max_infotext_len = getMaxInfoTextLength();
8509
8510   int i, j;
8511
8512   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8513   {
8514     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8515     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8516     int gd_x1 = gd->src_x;
8517     int gd_y1 = gd->src_y;
8518     int gd_x2 = gd->src_x + gd->active_xoffset;
8519     int gd_y2 = gd->src_y + gd->active_yoffset;
8520     int selectbox_button_xsize = gd2->width;
8521     struct GadgetInfo *gi;
8522     char infotext[MAX_OUTPUT_LINESIZE + 1];
8523     int id = selectbox_info[i].gadget_id;
8524     int type_id = selectbox_info[i].gadget_type_id;
8525     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8526     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8527     unsigned int event_mask =
8528       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8529
8530     if (type_id != i)
8531       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8532
8533     if (selectbox_info[i].size == -1)   // dynamically determine size
8534     {
8535       // (we cannot use -1 for uninitialized values if we directly compare
8536       // with results from strlen(), because the '<' and '>' operation will
8537       // implicitely cast -1 to an unsigned integer value!)
8538       selectbox_info[i].size = 0;
8539
8540       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8541         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8542           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8543
8544       selectbox_info[i].size++;         // add one character empty space
8545     }
8546
8547     // determine horizontal position to the right of specified gadget
8548     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8549       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8550            ED_GADGET_TEXT_DISTANCE);
8551
8552     // determine horizontal offset for leading text
8553     if (selectbox_info[i].text_left != NULL)
8554       x += getTextWidthForGadget(selectbox_info[i].text_left);
8555
8556     sprintf(infotext, "%s", selectbox_info[i].infotext);
8557     infotext[max_infotext_len] = '\0';
8558
8559     gi = CreateGadget(GDI_CUSTOM_ID, id,
8560                       GDI_CUSTOM_TYPE_ID, type_id,
8561                       GDI_INFO_TEXT, infotext,
8562                       GDI_X, x,
8563                       GDI_Y, y,
8564                       GDI_TYPE, GD_TYPE_SELECTBOX,
8565                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8566                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8567                       GDI_TEXT_SIZE, selectbox_info[i].size,
8568                       GDI_TEXT_FONT, FONT_INPUT_1,
8569                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8570                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8571                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8572                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8573                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8574                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8575                       GDI_DESIGN_WIDTH, gd->width,
8576                       GDI_EVENT_MASK, event_mask,
8577                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8578                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8579                       GDI_END);
8580
8581     if (gi == NULL)
8582       Fail("cannot create gadget");
8583
8584     level_editor_gadget[id] = gi;
8585     right_gadget_border[id] =
8586       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8587   }
8588 }
8589
8590 static void CreateTextbuttonGadgets(void)
8591 {
8592   int max_infotext_len = getMaxInfoTextLength();
8593   int i;
8594
8595   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8596   {
8597     int id = textbutton_info[i].gadget_id;
8598     int type_id = textbutton_info[i].gadget_type_id;
8599     int is_tab_button =
8600       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8601        (id >= GADGET_ID_ENGINECONFIG_CONFIG && id <= GADGET_ID_ENGINECONFIG_COLORS) ||
8602        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8603     int graphic =
8604       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8605     int gadget_distance =
8606       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8607     struct GraphicInfo *gd = &graphic_info[graphic];
8608     int gd_x1 = gd->src_x;
8609     int gd_y1 = gd->src_y;
8610     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8611     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8612     int gd_x1a = gd->src_x + gd->active_xoffset;
8613     int gd_y1a = gd->src_y + gd->active_yoffset;
8614     int border_xsize = gd->border_size + gd->draw_xoffset;
8615     int border_ysize = gd->border_size;
8616     struct GadgetInfo *gi;
8617     unsigned int event_mask = GD_EVENT_RELEASED;
8618     char infotext[MAX_OUTPUT_LINESIZE + 1];
8619     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8620     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8621
8622     if (type_id != i)
8623       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8624
8625     if (textbutton_info[i].size == -1)  // dynamically determine size
8626       textbutton_info[i].size = strlen(textbutton_info[i].text);
8627
8628     sprintf(infotext, "%s", textbutton_info[i].infotext);
8629     infotext[max_infotext_len] = '\0';
8630
8631     // determine horizontal position to the right of specified gadget
8632     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8633     {
8634       int gadget_id_align = textbutton_info[i].gadget_id_align;
8635
8636       x = right_gadget_border[gadget_id_align] + gadget_distance;
8637
8638       if (textbutton_info[i].y == -1)
8639         y = level_editor_gadget[gadget_id_align]->y;
8640     }
8641
8642     // determine horizontal offset for leading text
8643     if (textbutton_info[i].text_left != NULL)
8644       x += getTextWidthForGadget(textbutton_info[i].text_left);
8645
8646     gi = CreateGadget(GDI_CUSTOM_ID, id,
8647                       GDI_CUSTOM_TYPE_ID, type_id,
8648                       GDI_IMAGE_ID, graphic,
8649                       GDI_INFO_TEXT, infotext,
8650                       GDI_X, x,
8651                       GDI_Y, y,
8652                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8653                       GDI_TEXT_VALUE, textbutton_info[i].text,
8654                       GDI_TEXT_SIZE, textbutton_info[i].size,
8655                       GDI_TEXT_FONT, FONT_INPUT_2,
8656                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8657                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8658                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8659                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8660                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8661                       GDI_DESIGN_WIDTH, gd->width,
8662                       GDI_DECORATION_SHIFTING, 1, 1,
8663                       GDI_EVENT_MASK, event_mask,
8664                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8665                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8666                       GDI_END);
8667
8668     if (gi == NULL)
8669       Fail("cannot create gadget");
8670
8671     level_editor_gadget[id] = gi;
8672     right_gadget_border[id] =
8673       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8674   }
8675 }
8676
8677 static void CreateGraphicbuttonGadgets(void)
8678 {
8679   struct GadgetInfo *gi;
8680   int i;
8681
8682   // create buttons for scrolling of drawing area and element list
8683   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8684   {
8685     int id = graphicbutton_info[i].gadget_id;
8686     int type_id = graphicbutton_info[i].gadget_type_id;
8687     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8688     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8689     int graphic = graphicbutton_info[i].graphic;
8690     struct GraphicInfo *gd = &graphic_info[graphic];
8691     int gd_x1 = gd->src_x;
8692     int gd_y1 = gd->src_y;
8693     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8694     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8695     unsigned int event_mask = GD_EVENT_RELEASED;
8696
8697     if (type_id != i)
8698       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8699
8700     // determine horizontal position to the right of specified gadget
8701     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8702       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8703            ED_GADGET_TEXT_DISTANCE);
8704
8705     // determine horizontal offset for leading text
8706     if (graphicbutton_info[i].text_left != NULL)
8707       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8708
8709     gi = CreateGadget(GDI_CUSTOM_ID, id,
8710                       GDI_CUSTOM_TYPE_ID, type_id,
8711                       GDI_IMAGE_ID, graphic,
8712                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8713                       GDI_X, x,
8714                       GDI_Y, y,
8715                       GDI_WIDTH, gd->width,
8716                       GDI_HEIGHT, gd->height,
8717                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8718                       GDI_STATE, GD_BUTTON_UNPRESSED,
8719                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8720                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8721                       GDI_EVENT_MASK, event_mask,
8722                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8723                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8724                       GDI_END);
8725
8726     if (gi == NULL)
8727       Fail("cannot create gadget");
8728
8729     level_editor_gadget[id] = gi;
8730     right_gadget_border[id] =
8731       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8732   }
8733 }
8734
8735 static void CreateScrollbarGadgets(void)
8736 {
8737   int i;
8738
8739   // these values are not constant, but can change at runtime
8740   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8741     SX + ED_SCROLL_HORIZONTAL_XPOS;
8742   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8743     SY + ED_SCROLL_HORIZONTAL_YPOS;
8744   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8745     ED_SCROLL_HORIZONTAL_XSIZE;
8746   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8747     ED_SCROLL_HORIZONTAL_YSIZE;
8748   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8749   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8750   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8751   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8752
8753   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8754     SX + ED_SCROLL_VERTICAL_XPOS;
8755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8756     SY + ED_SCROLL_VERTICAL_YPOS;
8757   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8758     ED_SCROLL_VERTICAL_XSIZE;
8759   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8760     ED_SCROLL_VERTICAL_YSIZE;
8761   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8762   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8763   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8764   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8765
8766   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8767     PX + ED_SCROLL2_VERTICAL_XPOS;
8768   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8769     PY + ED_SCROLL2_VERTICAL_YPOS;
8770   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8771     ED_SCROLL2_VERTICAL_XSIZE;
8772   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8773     ED_SCROLL2_VERTICAL_YSIZE;
8774   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8775   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8776   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8777   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8778
8779   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8780   {
8781     int id = scrollbar_info[i].gadget_id;
8782     int type_id = scrollbar_info[i].gadget_type_id;
8783     int graphic = scrollbar_info[i].graphic;
8784     struct GraphicInfo *gd = &graphic_info[graphic];
8785     int gd_x1 = gd->src_x;
8786     int gd_y1 = gd->src_y;
8787     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8788     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8789     struct GadgetInfo *gi;
8790     int items_max, items_visible, item_position;
8791     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8792
8793     if (type_id != i)
8794       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8795
8796     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8797     {
8798       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8799       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8800       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8801     }
8802     else        // drawing area scrollbars
8803     {
8804       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8805       {
8806         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8807         items_visible = ed_fieldx;
8808         item_position = 0;
8809       }
8810       else
8811       {
8812         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8813         items_visible = ed_fieldy;
8814         item_position = 0;
8815       }
8816     }
8817
8818     gi = CreateGadget(GDI_CUSTOM_ID, id,
8819                       GDI_CUSTOM_TYPE_ID, type_id,
8820                       GDI_IMAGE_ID, graphic,
8821                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8822                       GDI_X, scrollbar_pos[i].x,
8823                       GDI_Y, scrollbar_pos[i].y,
8824                       GDI_WIDTH, scrollbar_pos[i].width,
8825                       GDI_HEIGHT, scrollbar_pos[i].height,
8826                       GDI_TYPE, scrollbar_info[i].type,
8827                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8828                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8829                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8830                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8831                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8832                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8833                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8834                       GDI_STATE, GD_BUTTON_UNPRESSED,
8835                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8836                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8837                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8838                       GDI_EVENT_MASK, event_mask,
8839                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8840                       GDI_CALLBACK_ACTION, HandleControlButtons,
8841                       GDI_END);
8842
8843     if (gi == NULL)
8844       Fail("cannot create gadget");
8845
8846     level_editor_gadget[id] = gi;
8847   }
8848 }
8849
8850 static void CreateCheckbuttonGadgets(void)
8851 {
8852   struct GadgetInfo *gi;
8853   int i;
8854
8855   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8856   {
8857     int id = checkbutton_info[i].gadget_id;
8858     int type_id = checkbutton_info[i].gadget_type_id;
8859     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8860                    IMG_EDITOR_CHECKBOX);
8861     struct GraphicInfo *gd = &graphic_info[graphic];
8862     int gd_x1 = gd->src_x;
8863     int gd_y1 = gd->src_y;
8864     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8865     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8866     int gd_x1a = gd->src_x + gd->active_xoffset;
8867     int gd_y1a = gd->src_y + gd->active_yoffset;
8868     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8869     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8870     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8871     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8872     unsigned int event_mask = GD_EVENT_PRESSED;
8873
8874     if (type_id != i)
8875       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8876
8877     // determine horizontal position to the right of specified gadget
8878     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8879       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8880            ED_GADGET_TEXT_DISTANCE);
8881
8882     // determine horizontal offset for leading text
8883     if (checkbutton_info[i].text_left != NULL)
8884       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8885
8886     gi = CreateGadget(GDI_CUSTOM_ID, id,
8887                       GDI_CUSTOM_TYPE_ID, type_id,
8888                       GDI_IMAGE_ID, graphic,
8889                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8890                       GDI_X, x,
8891                       GDI_Y, y,
8892                       GDI_WIDTH, gd->width,
8893                       GDI_HEIGHT, gd->height,
8894                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8895                       GDI_CHECKED, *checkbutton_info[i].value,
8896                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8897                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8898                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8899                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8900                       GDI_EVENT_MASK, event_mask,
8901                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8902                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8903                       GDI_END);
8904
8905     if (gi == NULL)
8906       Fail("cannot create gadget");
8907
8908     level_editor_gadget[id] = gi;
8909     right_gadget_border[id] =
8910       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8911   }
8912 }
8913
8914 static void CreateRadiobuttonGadgets(void)
8915 {
8916   int graphic = IMG_EDITOR_RADIOBUTTON;
8917   struct GraphicInfo *gd = &graphic_info[graphic];
8918   int gd_x1 = gd->src_x;
8919   int gd_y1 = gd->src_y;
8920   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8921   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8922   int gd_x1a = gd->src_x + gd->active_xoffset;
8923   int gd_y1a = gd->src_y + gd->active_yoffset;
8924   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8925   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8926   struct GadgetInfo *gi;
8927   int i;
8928
8929   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8930   {
8931     int id = radiobutton_info[i].gadget_id;
8932     int type_id = radiobutton_info[i].gadget_type_id;
8933     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8934     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8935     unsigned int event_mask = GD_EVENT_PRESSED;
8936
8937     if (type_id != i)
8938       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8939
8940     int checked =
8941       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8942
8943     // determine horizontal position to the right of specified gadget
8944     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8945       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8946            ED_GADGET_TEXT_DISTANCE);
8947
8948     // determine horizontal offset for leading text
8949     if (radiobutton_info[i].text_left != NULL)
8950       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8951
8952     gi = CreateGadget(GDI_CUSTOM_ID, id,
8953                       GDI_CUSTOM_TYPE_ID, type_id,
8954                       GDI_IMAGE_ID, graphic,
8955                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8956                       GDI_X, x,
8957                       GDI_Y, y,
8958                       GDI_WIDTH, gd->width,
8959                       GDI_HEIGHT, gd->height,
8960                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8961                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8962                       GDI_CHECKED, checked,
8963                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8964                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8965                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8966                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8967                       GDI_EVENT_MASK, event_mask,
8968                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8969                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8970                       GDI_END);
8971
8972     if (gi == NULL)
8973       Fail("cannot create gadget");
8974
8975     level_editor_gadget[id] = gi;
8976     right_gadget_border[id] =
8977       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8978   }
8979 }
8980
8981 void CreateLevelEditorGadgets(void)
8982 {
8983   // force EDITOR font inside level editor
8984   SetFontStatus(GAME_MODE_EDITOR);
8985
8986   // these values are not constant, but can change at runtime
8987   ed_fieldx = MAX_ED_FIELDX - 1;
8988   ed_fieldy = MAX_ED_FIELDY - 1;
8989
8990   num_editor_gadgets = NUM_EDITOR_GADGETS;
8991
8992   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8993
8994   level_editor_gadget =
8995     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8996   right_gadget_border =
8997     checked_calloc(num_editor_gadgets * sizeof(int));
8998
8999   // set number of empty (padding) element buttons to maximum number of buttons
9000   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
9001
9002   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
9003   editor_el_empty_ptr = editor_el_empty;
9004
9005   use_permanent_palette = !editor.palette.show_as_separate_screen;
9006
9007   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
9008
9009   ReinitializeElementList();
9010
9011   CreateControlButtons();
9012   CreateScrollbarGadgets();
9013
9014   // order of function calls is important because of cross-references
9015   CreateCheckbuttonGadgets();
9016   CreateCounterButtons();
9017   CreateRadiobuttonGadgets();
9018   CreateTextInputGadgets();
9019   CreateTextAreaGadgets();
9020   CreateSelectboxGadgets();
9021   CreateGraphicbuttonGadgets();
9022   CreateTextbuttonGadgets();
9023   CreateDrawingAreas();
9024
9025   ResetFontStatus();
9026 }
9027
9028 void FreeLevelEditorGadgets(void)
9029 {
9030   int i;
9031
9032   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
9033
9034   for (i = 0; i < num_editor_gadgets; i++)
9035   {
9036     FreeGadget(level_editor_gadget[i]);
9037
9038     level_editor_gadget[i] = NULL;
9039   }
9040
9041   checked_free(level_editor_gadget);
9042   checked_free(right_gadget_border);
9043
9044   checked_free(editor_el_empty);
9045 }
9046
9047 static void MapCounterButtons(int id)
9048 {
9049   int font_nr = FONT_TEXT_1;
9050   int font_height = getFontHeight(font_nr);
9051   int gadget_id_down = counterbutton_info[id].gadget_id_down;
9052   int gadget_id_text = counterbutton_info[id].gadget_id_text;
9053   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
9054   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
9055   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
9056   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
9057   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
9058   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9059   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9060   int yoffset = (gi_down->height - font_height) / 2;
9061   int x_left = gi_down->x - xoffset_left;
9062   int x_right;  // set after gadget position was modified
9063   int y_above = gi_down->y - yoffset_above;
9064   int x = gi_down->x;
9065   int y;        // set after gadget position was modified
9066
9067   // counter limits must be changed first to prevent value truncation
9068   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
9069                             counterbutton_info[id].max_value);
9070
9071   // right text position might have changed after setting position above
9072   x_right = gi_up->x + gi_up->width + xoffset_right;
9073
9074   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
9075
9076   // set position for counter gadgets with dynamically determined position
9077   if (id != ED_COUNTER_ID_SELECT_LEVEL)
9078   {
9079     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9080     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9081     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9082   }
9083
9084   // vertical position might have changed after setting position above
9085   y = gi_up->y + yoffset;
9086
9087   if (counterbutton_info[id].text_above)
9088     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
9089
9090   if (counterbutton_info[id].text_left)
9091     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
9092
9093   if (counterbutton_info[id].text_right)
9094     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
9095
9096   MapGadget(gi_down);
9097   MapGadget(gi_text);
9098   MapGadget(gi_up);
9099 }
9100
9101 static void MapControlButtons(void)
9102 {
9103   int counter_id;
9104   int i;
9105
9106   // map toolbox buttons (excluding special CE toolbox buttons)
9107   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
9108     MapGadget(level_editor_gadget[i]);
9109
9110   // map toolbox buttons (element properties buttons)
9111   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
9112     MapGadget(level_editor_gadget[i]);
9113
9114   if (use_permanent_palette)
9115   {
9116     // map buttons to select elements
9117     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9118       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9119     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9120     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9121     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9122   }
9123
9124   // map buttons to select level
9125   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
9126   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
9127   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
9128   MapCounterButtons(counter_id);
9129 }
9130
9131 static void MapDrawingArea(int id)
9132 {
9133   int font_nr = FONT_TEXT_1;
9134   int font_height = getFontHeight(font_nr);
9135   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9136   int area_xsize = gi->drawing.area_xsize;
9137   int area_ysize = gi->drawing.area_ysize;
9138   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9139   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
9140   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
9141   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
9142   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
9143   int x_below = gi->x + (gi->width - xoffset_below) / 2;
9144   int y_side  = gi->y + (gi->height - font_height) / 2;
9145   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
9146   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
9147
9148   if (drawingarea_info[id].text_left)
9149     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
9150
9151   if (drawingarea_info[id].text_right)
9152     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
9153
9154   if (drawingarea_info[id].text_above)
9155     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
9156
9157   if (drawingarea_info[id].text_below)
9158     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
9159
9160   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
9161   {
9162     DrawElementBorder(gi->x, gi->y,
9163                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
9164                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
9165
9166     DrawDrawingArea(id);
9167   }
9168
9169   MapGadget(gi);
9170 }
9171
9172 static void MapTextInputGadget(int id)
9173 {
9174   int font_nr = FONT_TEXT_1;
9175   int font_height = getFontHeight(font_nr);
9176   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9177   int xoffset_left = getTextWidthForGadget(textinput_info[id].text_left);
9178   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9179   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9180   int yoffset = (gi->height - font_height) / 2;
9181   int x_left = gi->x - xoffset_left;
9182   int x_right = gi->x + gi->width + xoffset_right;
9183   int y_above = gi->y - yoffset_above;
9184   int y = gi->y + yoffset;
9185
9186   if (textinput_info[id].text_above)
9187     DrawText(x_left, y_above, textinput_info[id].text_above, font_nr);
9188
9189   if (textinput_info[id].text_left)
9190     DrawText(x_left, y, textinput_info[id].text_left, font_nr);
9191
9192   if (textinput_info[id].text_right)
9193     DrawText(x_right, y, textinput_info[id].text_right, font_nr);
9194
9195   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9196
9197   MapGadget(gi);
9198 }
9199
9200 static void MapTextAreaGadget(int id)
9201 {
9202   int font_nr = FONT_TEXT_1;
9203   int font_height = getFontHeight(font_nr);
9204   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9205   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9206   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9207   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9208   char *text_above = textarea_info[id].text_above;
9209
9210   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9211     text_above = textarea_info[id].text_above_cropped;
9212
9213   if (text_above)
9214     DrawTextS(x_above, y_above, font_nr, text_above);
9215
9216   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9217
9218   MapGadget(gi);
9219 }
9220
9221 static void MapSelectboxGadget(int id)
9222 {
9223   int font_nr = FONT_TEXT_1;
9224   int font_height = getFontHeight(font_nr);
9225   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9226   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9227   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9228   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9229   int yoffset = (gi->height - font_height) / 2;
9230   int x_left = gi->x - xoffset_left;
9231   int x_right = gi->x + gi->width + xoffset_right;
9232   int y_above = gi->y - yoffset_above;
9233   int y = gi->y + yoffset;
9234
9235   if (selectbox_info[id].text_above)
9236     DrawText(x_left, y_above, selectbox_info[id].text_above, font_nr);
9237
9238   if (selectbox_info[id].text_left)
9239     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9240
9241   if (selectbox_info[id].text_right)
9242     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9243
9244   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9245
9246   MapGadget(gi);
9247 }
9248
9249 static void MapTextbuttonGadget(int id)
9250 {
9251   int font_nr = FONT_TEXT_1;
9252   int font_height = getFontHeight(font_nr);
9253   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9254   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9255   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9256   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9257   int yoffset = (gi->height - font_height) / 2;
9258   int x_left = gi->x - xoffset_left;
9259   int x_right = gi->x + gi->width + xoffset_right;
9260   int y_above = gi->y - yoffset_above;
9261   int x = gi->x;
9262   int y = gi->y + yoffset;
9263
9264   // only show button to delete change pages when more than minimum pages
9265   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9266       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9267     return;
9268
9269   if (textbutton_info[id].text_above)
9270     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9271
9272   if (textbutton_info[id].text_left)
9273     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9274
9275   if (textbutton_info[id].text_right)
9276     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9277
9278   MapGadget(gi);
9279 }
9280
9281 static void MapGraphicbuttonGadget(int id)
9282 {
9283   int font_nr = FONT_TEXT_1;
9284   int font_height = getFontHeight(font_nr);
9285   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9286   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9287   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9288   int yoffset = (gi->height - font_height) / 2;
9289   int x_left = gi->x - xoffset_left;
9290   int x_right = gi->x + gi->width + xoffset_right;
9291   int y = gi->y + yoffset;
9292
9293   if (graphicbutton_info[id].text_left)
9294     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9295
9296   if (graphicbutton_info[id].text_right)
9297     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9298
9299   MapGadget(gi);
9300 }
9301
9302 static void MapRadiobuttonGadget(int id)
9303 {
9304   int font_nr = FONT_TEXT_1;
9305   int font_height = getFontHeight(font_nr);
9306   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9307   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9308   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9309   int yoffset = (gi->height - font_height) / 2;
9310   int x_left = gi->x - xoffset_left;
9311   int x_right = gi->x + gi->width + xoffset_right;
9312   int y = gi->y + yoffset;
9313   boolean checked =
9314     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9315
9316   if (radiobutton_info[id].text_left)
9317     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9318
9319   if (radiobutton_info[id].text_right)
9320     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9321
9322   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9323
9324   MapGadget(gi);
9325 }
9326
9327 static void MapCheckbuttonGadget(int id)
9328 {
9329   int font_nr = FONT_TEXT_1;
9330   int font_height = getFontHeight(font_nr);
9331   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9332   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9333   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9334   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9335   int yoffset = (gi->height - font_height) / 2;
9336   int y_above = gi->y - yoffset_above;
9337   int x = gi->x;
9338   int x_left, x_right, y;       // set after gadget position was modified
9339
9340   // set position for gadgets with dynamically determined position
9341   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9342     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9343   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9344
9345   x_left = gi->x - xoffset_left;
9346   x_right = gi->x + gi->width + xoffset_right;
9347   y = gi->y + yoffset;
9348
9349   if (checkbutton_info[id].text_above)
9350     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9351
9352   if (checkbutton_info[id].text_left)
9353     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9354
9355   if (checkbutton_info[id].text_right)
9356     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9357
9358   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9359
9360   MapGadget(gi);
9361 }
9362
9363 static void MapMainDrawingArea(void)
9364 {
9365   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9366   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9367   int i;
9368
9369   if (suppressBorderElement())
9370   {
9371     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9372     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9373   }
9374
9375   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9376   {
9377     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9378           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9379          no_horizontal_scrollbar) ||
9380         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9381           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9382          no_vertical_scrollbar))
9383       continue;
9384
9385     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9386   }
9387
9388   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9389   {
9390     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9391         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9392       continue;
9393
9394     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9395   }
9396
9397   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9398 }
9399
9400 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9401 {
9402   int i;
9403
9404   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9405   {
9406     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9407         i == GADGET_ID_CUSTOM_COPY_TO ||
9408         i == GADGET_ID_CUSTOM_EXCHANGE ||
9409         i == GADGET_ID_CUSTOM_COPY ||
9410         i == GADGET_ID_CUSTOM_PASTE)
9411     {
9412       if (map)
9413         MapGadget(level_editor_gadget[i]);
9414       else
9415         UnmapGadget(level_editor_gadget[i]);
9416     }
9417   }
9418 }
9419
9420 static void MapLevelEditorToolboxCustomGadgets(void)
9421 {
9422   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9423 }
9424
9425 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9426 {
9427   if (IS_CUSTOM_ELEMENT(properties_element) ||
9428       IS_GROUP_ELEMENT(properties_element) ||
9429       IS_EMPTY_ELEMENT(properties_element))
9430     MapLevelEditorToolboxCustomGadgets();
9431 }
9432
9433 static void UnmapLevelEditorToolboxCustomGadgets(void)
9434 {
9435   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9436 }
9437
9438 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9439 {
9440   int i;
9441
9442   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9443   {
9444     if (i != GADGET_ID_SINGLE_ITEMS &&
9445         i != GADGET_ID_PICK_ELEMENT)
9446     {
9447       struct GadgetInfo *gi = level_editor_gadget[i];
9448
9449       if (map)
9450       {
9451         MapGadget(gi);
9452       }
9453       else
9454       {
9455         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9456         struct GraphicInfo *gd = &graphic_info[graphic];
9457
9458         UnmapGadget(gi);
9459
9460         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9461                    gi->width, gi->height, gi->x, gi->y);
9462
9463         redraw_mask |= REDRAW_DOOR_3;
9464       }
9465     }
9466   }
9467 }
9468
9469 static void MapLevelEditorToolboxDrawingGadgets(void)
9470 {
9471   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9472 }
9473
9474 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9475 {
9476   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9477 }
9478
9479 static void UnmapDrawingArea(int id)
9480 {
9481   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9482 }
9483
9484 static void UnmapLevelEditorFieldGadgets(void)
9485 {
9486   int i;
9487
9488   for (i = 0; i < num_editor_gadgets; i++)
9489     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9490                           level_editor_gadget[i]->y))
9491       UnmapGadget(level_editor_gadget[i]);
9492 }
9493
9494 void UnmapLevelEditorGadgets(void)
9495 {
9496   int i;
9497
9498   for (i = 0; i < num_editor_gadgets; i++)
9499     UnmapGadget(level_editor_gadget[i]);
9500 }
9501
9502 static void ResetUndoBuffer(void)
9503 {
9504   undo_buffer_position = -1;
9505   undo_buffer_steps = -1;
9506   redo_buffer_steps = 0;
9507
9508   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9509
9510   level.changed = FALSE;
9511 }
9512
9513 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9514 {
9515   if (remap_toolbox_gadgets)
9516   {
9517     ModifyEditorElementList();
9518     RedrawDrawingElements();
9519   }
9520
9521   if (edit_mode == ED_MODE_LEVELCONFIG)
9522     DrawLevelConfigWindow();
9523   else if (edit_mode == ED_MODE_PROPERTIES)
9524     DrawPropertiesWindow();
9525   else if (edit_mode == ED_MODE_PALETTE)
9526     DrawPaletteWindow();
9527   else  // edit_mode == ED_MODE_DRAWING
9528     DrawDrawingWindowExt(remap_toolbox_gadgets);
9529 }
9530
9531 static void DrawEditModeWindow(void)
9532 {
9533   DrawEditModeWindowExt(TRUE);
9534 }
9535
9536 static void DrawEditModeWindow_PlayfieldOnly(void)
9537 {
9538   DrawEditModeWindowExt(FALSE);
9539 }
9540
9541 static void ChangeEditModeWindow(int new_edit_mode)
9542 {
9543   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9544
9545   DrawEditModeWindow();
9546 }
9547
9548 static boolean LevelChanged(void)
9549 {
9550   boolean field_changed = FALSE;
9551   int x, y;
9552
9553   for (y = 0; y < lev_fieldy; y++)
9554     for (x = 0; x < lev_fieldx; x++)
9555       if (Tile[x][y] != level.field[x][y])
9556         field_changed = TRUE;
9557
9558   return (level.changed || field_changed);
9559 }
9560
9561 static boolean PrepareSavingIntoPersonalLevelSet(void)
9562 {
9563   static LevelDirTree *last_copied_leveldir = NULL;
9564   static LevelDirTree *last_written_leveldir = NULL;
9565   static int last_copied_level_nr = -1;
9566   static int last_written_level_nr = -1;
9567   LevelDirTree *leveldir_former = leveldir_current;
9568   int level_nr_former = level_nr;
9569   int new_level_nr;
9570
9571   // remember last mod/save so that for current session, we write
9572   // back to the same personal copy, asking only about overwrite.
9573   if (leveldir_current == last_copied_leveldir &&
9574       level_nr == last_copied_level_nr)
9575   {
9576     // "cd" to personal level set dir (as used when writing last copy)
9577     leveldir_current = last_written_leveldir;
9578     level_nr = last_written_level_nr;
9579
9580     return TRUE;
9581   }
9582
9583   if (!Request("This level is read-only! "
9584                "Save into personal level set?", REQ_ASK))
9585     return FALSE;
9586
9587   // "cd" to personal level set dir (for writing copy the first time)
9588   leveldir_current =
9589     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9590
9591   // this may happen if "setup.internal.create_user_levelset" is FALSE
9592   // or if file "levelinfo.conf" is missing in personal user level set
9593   if (leveldir_current == NULL)
9594   {
9595     Request("Cannot find personal level set?!", REQ_CONFIRM);
9596
9597     leveldir_current = leveldir_former;
9598
9599     return FALSE;
9600   }
9601
9602   // find unused level number
9603   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9604   {
9605     static char *level_filename = NULL;
9606
9607     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9608
9609     if (!fileExists(level_filename))
9610       break;
9611   }
9612
9613   last_copied_leveldir = leveldir_former;
9614   last_copied_level_nr = level_nr_former;
9615
9616   last_written_leveldir = leveldir_current;
9617   last_written_level_nr = level_nr = new_level_nr;
9618
9619   return TRUE;
9620 }
9621
9622 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9623 {
9624   static char *filename_levelinfo = NULL, *mod_name = NULL;
9625   FILE *file;
9626
9627   // annotate this copy-and-mod in personal levelinfo.conf
9628   setString(&filename_levelinfo,
9629             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9630
9631   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9632   {
9633     fprintf(file, "\n");
9634     fprintf(file, "# level %d was modified from:\n", level_nr);
9635     fprintf(file, "# - previous level set name:    %s\n",
9636             former_name);
9637     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9638             level.file_info.nr, level.name);
9639     fprintf(file, "# - previous author:            %s\n",
9640             level.author);
9641     fprintf(file, "# - previous save date:         ");
9642
9643     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9644     {
9645       fprintf(file, "%04d-%02d-%02d\n",
9646               level.creation_date.year,
9647               level.creation_date.month,
9648               level.creation_date.day);
9649     }
9650     else
9651     {
9652       fprintf(file, "not recorded\n");
9653     }
9654
9655     fclose(file);
9656   }
9657
9658   if (level_nr > leveldir_current->last_level)
9659     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9660
9661   // else: allow the save even if annotation failed
9662
9663   // now... spray graffiti on the old level vital statistics
9664   // user can change these; just trying to set a good baseline
9665
9666   // don't truncate names for fear of making offensive or silly:
9667   // long-named original author only recorded in levelinfo.conf.
9668   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9669   if (!strEqual(level.author, leveldir_current->author))
9670   {
9671     setString(&mod_name, getStringCat3(leveldir_current->author,
9672                                        " after ", level.author));
9673
9674     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9675       setString(&mod_name,
9676                 getStringCat2(leveldir_current->author, " (ed.)"));
9677
9678     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9679       setString(&mod_name, leveldir_current->author);
9680
9681     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9682
9683     // less worried about truncation here
9684     setString(&mod_name, getStringCat2("Mod: ", level.name));
9685     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9686   }
9687 }
9688
9689 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9690                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9691 {
9692   int x, y;
9693
9694   for (x = 0; x < lev_fieldx; x++)
9695     for (y = 0; y < lev_fieldy; y++)
9696       dst[x][y] = src[x][y];
9697 }
9698
9699 static int setSelectboxValue(int selectbox_id, int new_value)
9700 {
9701   int new_index_value = 0;
9702   int i;
9703
9704   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9705     if (selectbox_info[selectbox_id].options[i].value == new_value)
9706       new_index_value = i;
9707
9708   *selectbox_info[selectbox_id].value =
9709     selectbox_info[selectbox_id].options[new_index_value].value;
9710
9711   return new_index_value;
9712 }
9713
9714 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9715 {
9716   int i;
9717
9718   // change action mode and arg variables according to action type variable
9719   for (i = 0; action_arg_options[i].value != -1; i++)
9720   {
9721     if (action_arg_options[i].value == custom_element_change.action_type)
9722     {
9723       int mode = action_arg_options[i].mode;
9724
9725       // only change if corresponding selectbox has changed
9726       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9727           action_arg_modes[mode])
9728         custom_element_change.action_mode = -1;
9729
9730       // only change if corresponding selectbox has changed
9731       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9732           action_arg_options[i].options)
9733         custom_element_change.action_arg = -1;
9734
9735       break;
9736     }
9737   }
9738 }
9739
9740 static void setSelectboxSpecialActionOptions(void)
9741 {
9742   int i;
9743
9744   // change action mode and arg selectbox according to action type selectbox
9745   for (i = 0; action_arg_options[i].value != -1; i++)
9746   {
9747     if (action_arg_options[i].value == custom_element_change.action_type)
9748     {
9749       int mode = action_arg_options[i].mode;
9750
9751       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9752                                    action_arg_modes[mode]);
9753       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9754                                  custom_element_change.action_mode);
9755
9756       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9757                                    action_arg_options[i].options);
9758       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9759                                  custom_element_change.action_arg);
9760       break;
9761     }
9762   }
9763 }
9764
9765 static void copy_custom_element_settings(int element_from, int element_to)
9766 {
9767   struct ElementInfo *ei_from = &element_info[element_from];
9768   struct ElementInfo *ei_to = &element_info[element_to];
9769
9770   copyElementInfo(ei_from, ei_to);
9771 }
9772
9773 static void replace_custom_element_in_settings(int element_from,
9774                                                int element_to)
9775 {
9776   int i, j, x, y;
9777
9778   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9779   {
9780     struct ElementInfo *ei = &element_info[i];
9781
9782     for (y = 0; y < 3; y++)
9783       for (x = 0; x < 3; x++)
9784         if (ei->content.e[x][y] == element_from)
9785           ei->content.e[x][y] = element_to;
9786
9787     for (j = 0; j < ei->num_change_pages; j++)
9788     {
9789       struct ElementChangeInfo *change = &ei->change_page[j];
9790
9791       if (change->target_element == element_from)
9792         change->target_element = element_to;
9793
9794       if (change->initial_trigger_element == element_from)
9795         change->initial_trigger_element = element_to;
9796
9797       if (change->action_element == element_from)
9798         change->action_element = element_to;
9799
9800       for (y = 0; y < 3; y++)
9801         for (x = 0; x < 3; x++)
9802           if (change->target_content.e[x][y] == element_from)
9803             change->target_content.e[x][y] = element_to;
9804     }
9805
9806     if (ei->group != NULL)                              // group or internal
9807       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9808         if (ei->group->element[j] == element_from)
9809           ei->group->element[j] = element_to;
9810   }
9811 }
9812
9813 static void replace_custom_element_in_playfield(int element_from,
9814                                                 int element_to)
9815 {
9816   int x, y;
9817
9818   for (x = 0; x < lev_fieldx; x++)
9819     for (y = 0; y < lev_fieldy; y++)
9820       if (Tile[x][y] == element_from)
9821         Tile[x][y] = element_to;
9822 }
9823
9824 static boolean CopyCustomElement(int element_old, int element_new,
9825                                  int copy_mode)
9826 {
9827   int copy_mode_orig = copy_mode;
9828
9829   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9830   {
9831     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9832                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9833     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9834   }
9835   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9836   {
9837     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9838                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9839     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9840
9841     level.changed = TRUE;
9842   }
9843   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9844   {
9845     Request("Please choose custom element!", REQ_CONFIRM);
9846
9847     return FALSE;
9848   }
9849   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9850   {
9851     Request("Please choose group element!", REQ_CONFIRM);
9852
9853     return FALSE;
9854   }
9855   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9856   {
9857     Request("Please choose empty element!", REQ_CONFIRM);
9858
9859     return FALSE;
9860   }
9861   else
9862   {
9863     level.changed = TRUE;
9864   }
9865
9866   // when modifying custom/group element, ask for copying level template
9867   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9868   {
9869     if (!AskToCopyAndModifyLevelTemplate())
9870       return FALSE;
9871   }
9872
9873   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9874   {
9875     copy_custom_element_settings(element_new, element_old);
9876   }
9877   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9878   {
9879     copy_custom_element_settings(element_old, element_new);
9880   }
9881   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9882   {
9883     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9884     copy_custom_element_settings(element_new, element_old);
9885     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9886
9887     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9888     replace_custom_element_in_settings(element_new, element_old);
9889     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9890
9891     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9892     replace_custom_element_in_playfield(element_new, element_old);
9893     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9894   }
9895
9896   UpdateCustomElementGraphicGadgets();
9897   DrawPropertiesWindow();
9898
9899   return TRUE;
9900 }
9901
9902 static void CopyCustomElementPropertiesToEditor(int element)
9903 {
9904   int i;
9905   int current_change_page = element_info[element].current_change_page;
9906
9907   // dynamically (re)build selectbox for selecting change page
9908   for (i = 0; i < element_info[element].num_change_pages; i++)
9909   {
9910     sprintf(options_change_page_strings[i], "%d", i + 1);
9911
9912     options_change_page[i].value = i;
9913     options_change_page[i].text = options_change_page_strings[i];
9914   }
9915
9916   options_change_page[i].value = -1;
9917   options_change_page[i].text = NULL;
9918
9919   // needed here to initialize combined element properties
9920   InitElementPropertiesEngine(level.game_version);
9921
9922   element_info[element].change =
9923     &element_info[element].change_page[current_change_page];
9924
9925   custom_element = element_info[element];
9926   custom_element_change = *element_info[element].change;
9927
9928   // needed to initially set selectbox options for special action options
9929   setSelectboxSpecialActionOptions();
9930
9931   // needed to initially set selectbox value variables to reliable defaults
9932   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9933     setSelectboxValue(i, *selectbox_info[i].value);
9934
9935   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9936     custom_element_properties[i] = HAS_PROPERTY(element, i);
9937
9938   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9939     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9940
9941   // ---------- element settings: configure (custom elements) -----------------
9942
9943   // set accessible layer selectbox help value
9944   custom_element.access_type =
9945     (IS_WALKABLE(element) ? EP_WALKABLE :
9946      IS_PASSABLE(element) ? EP_PASSABLE :
9947      custom_element.access_type);
9948   custom_element.access_layer =
9949     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9950      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9951      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9952      custom_element.access_layer);
9953   custom_element.access_protected =
9954     (IS_PROTECTED(element) ? 1 : 0);
9955   custom_element_properties[EP_ACCESSIBLE] =
9956     (IS_ACCESSIBLE_OVER(element) ||
9957      IS_ACCESSIBLE_INSIDE(element) ||
9958      IS_ACCESSIBLE_UNDER(element));
9959
9960   // set walk-to-object action selectbox help value
9961   custom_element.walk_to_action =
9962     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9963      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9964      IS_DROPPABLE(element) ? EP_DROPPABLE :
9965      IS_THROWABLE(element) ? EP_THROWABLE :
9966      IS_PUSHABLE(element) ? EP_PUSHABLE :
9967      custom_element.walk_to_action);
9968   custom_element_properties[EP_WALK_TO_OBJECT] =
9969     (IS_DIGGABLE(element) ||
9970      IS_COLLECTIBLE_ONLY(element) ||
9971      IS_DROPPABLE(element) ||
9972      IS_THROWABLE(element) ||
9973      IS_PUSHABLE(element));
9974
9975   // set smash targets selectbox help value
9976   custom_element.smash_targets =
9977     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9978      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9979      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9980      custom_element.smash_targets);
9981   custom_element_properties[EP_CAN_SMASH] =
9982     (CAN_SMASH_EVERYTHING(element) ||
9983      CAN_SMASH_ENEMIES(element) ||
9984      CAN_SMASH_PLAYER(element));
9985
9986   // set deadliness selectbox help value
9987   custom_element.deadliness =
9988     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9989      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9990      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9991      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9992      custom_element.deadliness);
9993   custom_element_properties[EP_DEADLY] =
9994     (DONT_TOUCH(element) ||
9995      DONT_GET_HIT_BY(element) ||
9996      DONT_COLLIDE_WITH(element) ||
9997      DONT_RUN_INTO(element));
9998
9999   // ---------- element settings: advanced (custom elements) ------------------
10000
10001   // set "change by direct action" selectbox help value
10002   custom_element_change.direct_action =
10003     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
10004      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
10005      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
10006      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
10007      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
10008      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
10009      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
10010      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
10011      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
10012      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
10013      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
10014      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
10015      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
10016      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
10017      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
10018      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
10019      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
10020      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
10021      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
10022      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
10023      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
10024      custom_element_change.direct_action);
10025
10026   // set "change by other element action" selectbox help value
10027   custom_element_change.other_action =
10028     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
10029      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
10030      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
10031      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
10032      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
10033      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
10034      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
10035      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
10036      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
10037      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
10038      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
10039      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
10040      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
10041      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
10042      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
10043      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
10044      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
10045      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
10046      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
10047      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
10048      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
10049      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
10050      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
10051      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
10052      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
10053      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
10054      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
10055      custom_element_change.other_action);
10056 }
10057
10058 static void CopyGroupElementPropertiesToEditor(int element)
10059 {
10060   group_element_info = *element_info[element].group;
10061   custom_element = element_info[element];       // needed for description
10062 }
10063
10064 static void CopyEmptyElementPropertiesToEditor(int element)
10065 {
10066   custom_element = element_info[element];
10067 }
10068
10069 static void CopyClassicElementPropertiesToEditor(int element)
10070 {
10071   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10072     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
10073       getMoveIntoAcidProperty(&level, element);
10074
10075   if (MAYBE_DONT_COLLIDE_WITH(element))
10076     custom_element_properties[EP_DONT_COLLIDE_WITH] =
10077       getDontCollideWithProperty(&level, element);
10078 }
10079
10080 static void CopyElementPropertiesToEditor(int element)
10081 {
10082   if (IS_CUSTOM_ELEMENT(element))
10083     CopyCustomElementPropertiesToEditor(element);
10084   else if (IS_GROUP_ELEMENT(element))
10085     CopyGroupElementPropertiesToEditor(element);
10086   else if (IS_EMPTY_ELEMENT(element))
10087     CopyEmptyElementPropertiesToEditor(element);
10088   else
10089     CopyClassicElementPropertiesToEditor(element);
10090 }
10091
10092 static boolean AskToCopyAndModifyLevelTemplate(void)
10093 {
10094   if (Request("Copy and modify settings from level template?", REQ_ASK))
10095   {
10096     level.use_custom_template = FALSE;
10097
10098     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
10099                  GDI_CHECKED, FALSE, GDI_END);
10100     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
10101                  GDI_CHECKED, FALSE, GDI_END);
10102
10103     return TRUE;
10104   }
10105   else
10106   {
10107     LoadLevelTemplate(-1);      // this resets all element modifications ...
10108
10109     DrawEditModeWindow();       // ... and copies them to 'custom_element'
10110
10111     return FALSE;
10112   }
10113 }
10114
10115 static void CopyCustomElementPropertiesToGame(int element)
10116 {
10117   int i;
10118   int access_type_and_layer;
10119
10120   // mark that this custom element has been modified
10121   custom_element.modified_settings = TRUE;
10122   level.changed = TRUE;
10123
10124   if (level.use_custom_template)
10125     AskToCopyAndModifyLevelTemplate();
10126
10127   element_info[element] = custom_element;
10128   *element_info[element].change = custom_element_change;
10129
10130   // ---------- element settings: configure (custom elements) -----------------
10131
10132   // set accessible property from checkbox and selectbox
10133   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
10134   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
10135   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
10136   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
10137   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
10138   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
10139   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
10140                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
10141                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
10142   custom_element_properties[access_type_and_layer] =
10143     custom_element_properties[EP_ACCESSIBLE];
10144   custom_element_properties[EP_PROTECTED] =
10145     (custom_element.access_protected != 0 &&
10146      custom_element_properties[EP_ACCESSIBLE]);
10147
10148   // set walk-to-object property from checkbox and selectbox
10149   custom_element_properties[EP_DIGGABLE] = FALSE;
10150   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
10151   custom_element_properties[EP_DROPPABLE] = FALSE;
10152   custom_element_properties[EP_THROWABLE] = FALSE;
10153   custom_element_properties[EP_PUSHABLE] = FALSE;
10154   custom_element_properties[custom_element.walk_to_action] =
10155     custom_element_properties[EP_WALK_TO_OBJECT];
10156
10157   // set smash property from checkbox and selectbox
10158   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
10159   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
10160   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
10161   custom_element_properties[custom_element.smash_targets] =
10162     custom_element_properties[EP_CAN_SMASH];
10163
10164   // set deadliness property from checkbox and selectbox
10165   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
10166   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
10167   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
10168   custom_element_properties[EP_DONT_TOUCH] = FALSE;
10169   custom_element_properties[custom_element.deadliness] =
10170     custom_element_properties[EP_DEADLY];
10171
10172   // ---------- element settings: advanced (custom elements) ------------------
10173
10174   // set player change event from checkbox and selectbox
10175   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
10176   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
10177   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
10178   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
10179   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
10180   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
10181   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
10182   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
10183   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
10184   custom_element_change_events[CE_SWITCHED] = FALSE;
10185   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10186   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10187   custom_element_change_events[CE_BLOCKED] = FALSE;
10188   custom_element_change_events[CE_IMPACT] = FALSE;
10189   custom_element_change_events[CE_SMASHED] = FALSE;
10190   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10191   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10192   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10193   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10194   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10195   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10196   custom_element_change_events[custom_element_change.direct_action] =
10197     custom_element_change_events[CE_BY_DIRECT_ACTION];
10198
10199   // set other element action change event from checkbox and selectbox
10200   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10201   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10202   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10203   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10204   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10205   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10206   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10207   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10208   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10209   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10210   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10211   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10212   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10213   custom_element_change_events[CE_HITTING_X] = FALSE;
10214   custom_element_change_events[CE_DIGGING_X] = FALSE;
10215   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10216   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10217   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10218   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10219   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10220   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10221   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10222   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10223   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10224   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10225   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10226   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10227   custom_element_change_events[custom_element_change.other_action] =
10228     custom_element_change_events[CE_BY_OTHER_ACTION];
10229
10230   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10231     SET_PROPERTY(element, i, custom_element_properties[i]);
10232
10233   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10234     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10235
10236   // copy change events also to special level editor variable
10237   custom_element = element_info[element];
10238   custom_element_change = *element_info[element].change;
10239
10240   // needed here to restore runtime value "element_info[element].gfx_element"
10241   InitElementPropertiesGfxElement();
10242 }
10243
10244 static void CopyGroupElementPropertiesToGame(int element)
10245 {
10246   // mark that this group element has been modified
10247   custom_element.modified_settings = TRUE;
10248   level.changed = TRUE;
10249
10250   if (level.use_custom_template)
10251     AskToCopyAndModifyLevelTemplate();
10252
10253   element_info[element] = custom_element;
10254   *element_info[element].group = group_element_info;
10255
10256   // needed here to restore runtime value "element_info[element].gfx_element"
10257   InitElementPropertiesGfxElement();
10258 }
10259
10260 static void CopyEmptyElementPropertiesToGame(int element)
10261 {
10262   // mark that this empty element has been modified
10263   custom_element.modified_settings = TRUE;
10264   level.changed = TRUE;
10265
10266   if (level.use_custom_template)
10267     AskToCopyAndModifyLevelTemplate();
10268
10269   element_info[element] = custom_element;
10270
10271   // needed here to restore runtime value "element_info[element].gfx_element"
10272   InitElementPropertiesGfxElement();
10273 }
10274
10275 static void CopyClassicElementPropertiesToGame(int element)
10276 {
10277   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10278     setMoveIntoAcidProperty(&level, element,
10279                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10280
10281   if (MAYBE_DONT_COLLIDE_WITH(element))
10282     setDontCollideWithProperty(&level, element,
10283                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10284 }
10285
10286 static void CopyElementPropertiesToGame(int element)
10287 {
10288   if (IS_CUSTOM_ELEMENT(element))
10289     CopyCustomElementPropertiesToGame(element);
10290   else if (IS_GROUP_ELEMENT(element))
10291     CopyGroupElementPropertiesToGame(element);
10292   else if (IS_EMPTY_ELEMENT(element))
10293     CopyEmptyElementPropertiesToGame(element);
10294   else
10295     CopyClassicElementPropertiesToGame(element);
10296 }
10297
10298 #if DEBUG
10299 static void CheckElementDescriptions(void)
10300 {
10301   int i;
10302
10303   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10304     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10305       Warn("no element description file for element '%s'", EL_NAME(i));
10306 }
10307 #endif
10308
10309 static int getMaxEdFieldX(boolean has_scrollbar)
10310 {
10311   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10312   int sxsize = SXSIZE - scrollbar_width;
10313   int max_ed_fieldx = sxsize / ed_tilesize;
10314
10315   return max_ed_fieldx;
10316 }
10317
10318 static int getMaxEdFieldY(boolean has_scrollbar)
10319 {
10320   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10321                          INFOTEXT_YSIZE_FULL : 0);
10322   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10323   int sysize = SYSIZE - scrollbar_height - infotext_height;
10324   int max_ed_fieldy = sysize / ed_tilesize;
10325
10326   return max_ed_fieldy;
10327 }
10328
10329 static void InitZoomLevelSettings(int zoom_tilesize)
10330 {
10331   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10332
10333   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10334   {
10335     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10336     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10337
10338     // make sure that tile size is always a power of 2
10339     ed_tilesize = (1 << log_2(ed_tilesize));
10340
10341     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10342     {
10343       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10344       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10345     }
10346   }
10347
10348   last_game_engine_type = level.game_engine_type;
10349
10350   // limit zoom tilesize by upper and lower bound
10351   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10352
10353   // store zoom tilesize in auto setup file only if it was manually changed
10354   if (zoom_tilesize != -1)
10355     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10356
10357   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10358   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10359 }
10360
10361 static void InitDrawingElements(void)
10362 {
10363   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10364
10365   if (level.game_engine_type == game_engine_type_last)
10366     return;
10367
10368   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10369   {
10370     new_element1 = EL_BD_WALL;
10371     new_element2 = EL_EMPTY;
10372     new_element3 = EL_BD_SAND;
10373   }
10374   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10375   {
10376     new_element1 = EL_SP_CHIP_SINGLE;
10377     new_element2 = EL_EMPTY;
10378     new_element3 = EL_SP_BASE;
10379   }
10380   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10381   {
10382     new_element1 = EL_MM_MIRROR_START;
10383     new_element2 = EL_EMPTY;
10384     new_element3 = EL_MM_WOODEN_WALL;
10385   }
10386   else
10387   {
10388     new_element1 = EL_WALL;
10389     new_element2 = EL_EMPTY;
10390     new_element3 = EL_SAND;
10391   }
10392
10393   game_engine_type_last = level.game_engine_type;
10394 }
10395
10396 static void InitLevelSetInfo(void)
10397 {
10398   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10399            "%s", leveldir_current->name);
10400   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10401            "%s", leveldir_current->author);
10402
10403   levelset_num_levels = leveldir_current->levels;
10404
10405   levelset_use_levelset_artwork = FALSE;
10406   levelset_copy_level_template = FALSE;
10407
10408   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10409 }
10410
10411 static void ChangeEditorToLevelSet(char *levelset_subdir)
10412 {
10413   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10414
10415   // the previous level set might have used custom artwork
10416   ReloadCustomArtwork(0);
10417
10418   LoadLevelSetup_SeriesInfo();
10419
10420   SaveLevelSetup_LastSeries();
10421   SaveLevelSetup_SeriesInfo();
10422
10423   TapeErase();
10424
10425   LoadLevel(level_nr);
10426   LoadScore(level_nr);
10427
10428   DrawLevelEd();
10429 }
10430
10431 static boolean useEditorDoorAnimation(void)
10432 {
10433   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10434   boolean door_1_viewport_unchanged =
10435     (vp_door_1->x      == DX     &&
10436      vp_door_1->y      == DY     &&
10437      vp_door_1->width  == DXSIZE &&
10438      vp_door_1->height == DYSIZE);
10439   boolean door_1_contains_toolbox =
10440     (EX >= DX &&
10441      EY >= DY &&
10442      EX + EXSIZE <= DX + DXSIZE &&
10443      EY + EYSIZE <= DY + DYSIZE);
10444
10445   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10446 }
10447
10448 static void DrawEditorDoorBackground(int graphic, int x, int y,
10449                                      int width, int height)
10450 {
10451   struct GraphicInfo *g = &graphic_info[graphic];
10452
10453   if (g->bitmap != NULL)
10454     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10455                MIN(width, g->width), MIN(height, g->height), x, y);
10456   else
10457     ClearRectangle(drawto, x, y, width, height);
10458 }
10459
10460 static void DrawEditorDoorContent(void)
10461 {
10462   // needed for gadgets drawn on background (like palette scrollbar)
10463   SetDoorBackgroundImage(IMG_UNDEFINED);
10464
10465   // copy default editor door content to main double buffer
10466   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10467
10468   // draw bigger door
10469   DrawSpecialEditorDoor();
10470
10471   // draw new control window
10472   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10473
10474   // draw all toolbox gadgets to editor doors
10475   MapControlButtons();
10476
10477   // when returning from test game to properties page, redraw toolbox gadgets
10478   if (edit_mode == ED_MODE_PROPERTIES)
10479   {
10480     UnmapLevelEditorToolboxDrawingGadgets();
10481     UnmapLevelEditorToolboxCustomGadgets();
10482
10483     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10484   }
10485
10486   // draw all palette gadgets to editor doors
10487   ModifyEditorElementList();
10488   RedrawDrawingElements();
10489
10490   // copy actual editor door content to door double buffer for OpenDoor()
10491   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10492 }
10493
10494 void DrawLevelEd(void)
10495 {
10496   int fade_mask = REDRAW_FIELD;
10497
10498   FadeSoundsAndMusic();
10499
10500   if (CheckFadeAll())
10501     fade_mask = REDRAW_ALL;
10502
10503   FadeOut(fade_mask);
10504
10505   // needed if different viewport properties defined for editor
10506   ChangeViewportPropertiesIfNeeded();
10507
10508   ClearField();
10509
10510   InitZoomLevelSettings(-1);
10511   InitDrawingElements();
10512   InitLevelSetInfo();
10513
10514 #if DEBUG
10515   CheckElementDescriptions();
10516 #endif
10517
10518   if (level_editor_test_game)
10519   {
10520     CopyPlayfield(level.field, Tile);
10521     CopyPlayfield(TileBackup, level.field);
10522
10523     level_editor_test_game = FALSE;
10524   }
10525   else
10526   {
10527     edit_mode = ED_MODE_DRAWING;
10528     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10529     edit_mode_engineconfig = ED_MODE_ENGINECONFIG_CONFIG;
10530     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10531
10532     ResetUndoBuffer();
10533
10534     level_xpos = -1;
10535     level_ypos = -1;
10536   }
10537
10538   // redraw_mask |= REDRAW_ALL;
10539
10540   FreeLevelEditorGadgets();
10541   CreateLevelEditorGadgets();
10542
10543   ReinitializeElementList();            // update dynamic level element list
10544   ReinitializeElementListButtons();     // custom element may look different
10545
10546   InitElementPropertiesGfxElement();
10547
10548   UnmapAllGadgets();
10549
10550   DrawEditModeWindow_PlayfieldOnly();
10551
10552   DrawMaskedBorder(fade_mask);
10553
10554   // use door animation if door 1 viewport is unchanged and contains toolbox
10555   if (useEditorDoorAnimation())
10556   {
10557     FadeIn(fade_mask);
10558
10559     DrawEditorDoorContent();
10560
10561     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10562   }
10563   else
10564   {
10565     DrawEditorDoorContent();
10566
10567     FadeIn(fade_mask);
10568   }
10569
10570   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10571 }
10572
10573 static void AdjustDrawingAreaGadgets(void)
10574 {
10575   int ed_xsize = lev_fieldx + 2;
10576   int ed_ysize = lev_fieldy + 2;
10577   int max_ed_fieldx = MAX_ED_FIELDX;
10578   int max_ed_fieldy = MAX_ED_FIELDY;
10579   boolean horizontal_scrollbar_needed;
10580   boolean vertical_scrollbar_needed;
10581   int x, y, width, height;
10582
10583   if (suppressBorderElement())
10584   {
10585     ed_xsize = lev_fieldx;
10586     ed_ysize = lev_fieldy;
10587   }
10588
10589   // check if we need any scrollbars
10590   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10591   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10592
10593   // check if we have a smaller editor field because of scrollbars
10594   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10595   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10596
10597   // check again if we now need more scrollbars because of less space
10598   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10599   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10600
10601   // check if editor field gets even smaller after adding new scrollbars
10602   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10603   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10604
10605   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10606   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10607
10608   x = SX + ed_fieldx * ed_tilesize;
10609   y = SY + ed_fieldy * ed_tilesize;
10610
10611   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10612   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10613
10614   // adjust drawing area gadget
10615   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10616                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10617                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10618                GDI_END);
10619
10620   // adjust horizontal scrollbar gadgets
10621   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10622                GDI_Y, y,
10623                GDI_END);
10624   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10625                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10626                GDI_Y, y,
10627                GDI_END);
10628   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10629                GDI_Y, y,
10630                GDI_WIDTH, width,
10631                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10632                GDI_END);
10633
10634   // adjust vertical scrollbar gadgets
10635   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10636                GDI_X, x,
10637                GDI_END);
10638   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10639                GDI_X, x,
10640                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10641                GDI_END);
10642   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10643                GDI_X, x,
10644                GDI_HEIGHT, height,
10645                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10646                GDI_END);
10647 }
10648
10649 static void AdjustLevelScrollPosition(void)
10650 {
10651   if (level_xpos < -1)
10652     level_xpos = -1;
10653   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10654     level_xpos = lev_fieldx - ed_fieldx + 1;
10655   if (lev_fieldx < ed_fieldx - 2)
10656     level_xpos = -1;
10657
10658   if (level_ypos < -1)
10659     level_ypos = -1;
10660   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10661     level_ypos = lev_fieldy - ed_fieldy + 1;
10662   if (lev_fieldy < ed_fieldy - 2)
10663     level_ypos = -1;
10664
10665   if (suppressBorderElement())
10666   {
10667     level_xpos = 0;
10668     level_ypos = 0;
10669   }
10670 }
10671
10672 static void AdjustEditorScrollbar(int id)
10673 {
10674   struct GadgetInfo *gi = level_editor_gadget[id];
10675   int items_max, items_visible, item_position;
10676
10677   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10678   {
10679     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10680     items_visible = ed_fieldx;
10681     item_position = level_xpos + 1;
10682   }
10683   else
10684   {
10685     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10686     items_visible = ed_fieldy;
10687     item_position = level_ypos + 1;
10688   }
10689
10690   if (item_position > items_max - items_visible)
10691     item_position = items_max - items_visible;
10692
10693   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10694                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10695 }
10696
10697 static void AdjustElementListScrollbar(void)
10698 {
10699   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10700   int items_max, items_visible, item_position;
10701
10702   // correct position of element list scrollbar
10703   if (element_shift < 0)
10704     element_shift = 0;
10705   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10706     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10707
10708   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10709   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10710   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10711
10712   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10713                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10714                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10715 }
10716
10717 static void ModifyEditorCounterValue(int counter_id, int new_value)
10718 {
10719   int *counter_value = counterbutton_info[counter_id].value;
10720   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10721   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10722
10723   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10724
10725   if (counter_value != NULL)
10726     *counter_value = gi->textinput.number_value;
10727 }
10728
10729 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10730 {
10731   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10732   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10733
10734   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10735
10736   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10737       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10738   {
10739     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10740     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10741
10742     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10743     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10744                  GDI_END);
10745   }
10746 }
10747
10748 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10749 {
10750   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10751   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10752   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10753
10754   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10755 }
10756
10757 static void ModifyEditorSelectboxOptions(int selectbox_id,
10758                                          struct ValueTextInfo *options)
10759 {
10760   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10761   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10762
10763   selectbox_info[selectbox_id].options = options;
10764
10765   // set index to zero -- list may be shorter now (correct later, if needed)
10766   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10767                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10768 }
10769
10770 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10771 {
10772   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10773   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10774
10775   drawingarea_info[drawingarea_id].area_xsize = xsize;
10776   drawingarea_info[drawingarea_id].area_ysize = ysize;
10777
10778   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10779 }
10780
10781 static void ModifyEditorElementList(void)
10782 {
10783   int i;
10784
10785   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10786     return;
10787
10788   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10789   {
10790     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10791     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10792     struct GadgetDesign *gd = &gi->deco.design;
10793     int element = editor_elements[element_shift + i];
10794     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10795
10796     UnmapGadget(gi);
10797
10798     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10799
10800     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10801
10802     MapGadget(gi);
10803   }
10804 }
10805
10806 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10807 {
10808   int graphic = el2edimg(element);
10809   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10810
10811   if (pos->x == -1 &&
10812       pos->y == -1)
10813     return;
10814
10815   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10816 }
10817
10818 static void ModifyDrawingElementButton(int element, int id)
10819 {
10820   struct GadgetInfo *gi = level_editor_gadget[id];
10821   Bitmap *deco_bitmap;
10822   int deco_x, deco_y;
10823   int tile_size = gi->deco.width;
10824
10825   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10826
10827   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10828 }
10829
10830 static void PickDrawingElement(int button, int element)
10831 {
10832   struct
10833   {
10834     int *new_element;
10835     struct XYTileSize *pos;
10836     int id;
10837   } de, drawing_elements[] =
10838   {
10839     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10840     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10841     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10842   };
10843
10844   if (button < 1 || button > 3)
10845     return;
10846
10847   if (IS_MM_WALL(element))
10848     element = map_mm_wall_element(element);
10849
10850   de = drawing_elements[button - 1];
10851
10852   *de.new_element = element;    // update global drawing element variable
10853
10854   DrawDrawingElementGraphic(element, de.pos);
10855   ModifyDrawingElementButton(element, de.id);
10856
10857   redraw_mask |= REDRAW_DOOR_1;
10858 }
10859
10860 static void RedrawDrawingElements(void)
10861 {
10862   PickDrawingElement(1, new_element1);
10863   PickDrawingElement(2, new_element2);
10864   PickDrawingElement(3, new_element3);
10865 }
10866
10867 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10868 {
10869   stick_element_properties_window = FALSE;
10870
10871   SetMainBackgroundImage(IMG_UNDEFINED);
10872   ClearField();
10873
10874   UnmapLevelEditorFieldGadgets();
10875
10876   AdjustDrawingAreaGadgets();
10877   AdjustLevelScrollPosition();
10878   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10879   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10880
10881   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10882
10883   MapMainDrawingArea();
10884
10885   if (remap_toolbox_gadgets)
10886   {
10887     UnmapLevelEditorToolboxCustomGadgets();
10888     MapLevelEditorToolboxDrawingGadgets();
10889   }
10890 }
10891
10892 static void DrawDrawingWindow(void)
10893 {
10894   DrawDrawingWindowExt(TRUE);
10895 }
10896
10897 static int getTabulatorBarWidth(void)
10898 {
10899   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10900   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10901
10902   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10903 }
10904
10905 static int getTabulatorBarHeight(void)
10906 {
10907   return ED_TAB_BAR_HEIGHT;
10908 }
10909
10910 static Pixel getTabulatorBarColor(void)
10911 {
10912   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10913   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10914   int gd_x = gd->x + gd_gi1->border.width / 2;
10915   int gd_y = gd->y + gd_gi1->height - 1;
10916
10917   return GetPixel(gd->bitmap, gd_x, gd_y);
10918 }
10919
10920 static void DrawEngineConfigTabulatorGadgets(void)
10921 {
10922   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_ENGINECONFIG_CONFIG];
10923   Pixel tab_color = getTabulatorBarColor();
10924   int id_first = ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG;
10925   int id_last  = ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS;
10926   int i;
10927
10928   for (i = id_first; i <= id_last; i++)
10929   {
10930     int gadget_id = textbutton_info[i].gadget_id;
10931     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10932     boolean active = (i != edit_mode_engineconfig);
10933
10934     // draw background line below tabulator button
10935     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10936
10937     // draw solid line below inactive tabulator buttons
10938     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10939       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10940                     ED_GADGET_TINY_DISTANCE, tab_color);
10941
10942     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10943     MapTextbuttonGadget(i);
10944   }
10945
10946   // draw little border line below tabulator buttons
10947   if (tab_color != BLACK_PIXEL)                 // black => transparent
10948     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10949                   ED_GADGET_TINY_DISTANCE,
10950                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10951 }
10952
10953 static void DrawLevelConfigTabulatorGadgets(void)
10954 {
10955   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10956   Pixel tab_color = getTabulatorBarColor();
10957   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10958   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10959   int i;
10960
10961   // draw additional "engine" tabulator when using native BD engine
10962   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10963     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10964
10965   for (i = id_first; i <= id_last; i++)
10966   {
10967     int gadget_id = textbutton_info[i].gadget_id;
10968     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10969     boolean active = (i != edit_mode_levelconfig);
10970
10971     // draw background line below tabulator button
10972     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10973
10974     // draw solid line below inactive tabulator buttons
10975     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10976       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10977                     ED_GADGET_TINY_DISTANCE, tab_color);
10978
10979     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10980     MapTextbuttonGadget(i);
10981   }
10982
10983   // draw little border line below tabulator buttons
10984   if (tab_color != BLACK_PIXEL)                 // black => transparent
10985     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10986                   ED_GADGET_TINY_DISTANCE,
10987                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10988
10989   // draw second row of engine related tabulators when using native BD engine
10990   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10991     DrawEngineConfigTabulatorGadgets();
10992 }
10993
10994 static void DrawPropertiesTabulatorGadgets(void)
10995 {
10996   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10997   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10998   int gd_x = gd->x + gd_gi1->border.width / 2;
10999   int gd_y = gd->y + gd_gi1->height - 1;
11000   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11001   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
11002   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
11003   int i;
11004
11005   // draw two config tabulators for player elements
11006   if (IS_PLAYER_ELEMENT(properties_element))
11007     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
11008
11009   // draw two config and one "change" tabulator for custom elements
11010   if (IS_CUSTOM_ELEMENT(properties_element))
11011     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
11012
11013   for (i = id_first; i <= id_last; i++)
11014   {
11015     int gadget_id = textbutton_info[i].gadget_id;
11016     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
11017     boolean active = (i != edit_mode_properties);
11018
11019     // use "config 1" and "config 2" instead of "config" for players and CEs
11020     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
11021         (IS_PLAYER_ELEMENT(properties_element) ||
11022          IS_CUSTOM_ELEMENT(properties_element)))
11023       continue;
11024
11025     // draw background line below tabulator button
11026     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11027
11028     // draw solid line below inactive tabulator buttons
11029     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11030       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11031                     ED_GADGET_TINY_DISTANCE, tab_color);
11032
11033     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11034     MapTextbuttonGadget(i);
11035   }
11036
11037   // draw little border line below tabulator buttons
11038   if (tab_color != BLACK_PIXEL)                 // black => transparent
11039     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11040                   ED_GADGET_TINY_DISTANCE,
11041                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11042 }
11043
11044 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
11045 {
11046   DrawText(SX + xpos, SY + ypos, text, font_nr);
11047 }
11048
11049 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
11050                                            int xpos, int ypos)
11051 {
11052   int font_width = getFontWidth(font_nr);
11053   int font_height = getFontHeight(font_nr);
11054   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
11055   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
11056
11057   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
11058                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
11059                       TRUE, FALSE, FALSE);
11060 }
11061
11062 static void DrawLevelConfigLevel(void)
11063 {
11064   int i;
11065
11066   // draw counter gadgets
11067   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
11068     MapCounterButtons(i);
11069
11070   // draw checkbutton gadgets
11071   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
11072     MapCheckbuttonGadget(i);
11073
11074   // draw selectbox gadgets
11075   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
11076     MapSelectboxGadget(i);
11077
11078   // draw text input gadgets
11079   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
11080     MapTextInputGadget(i);
11081 }
11082
11083 static char *getLevelSubdirFromSaveMode(int save_mode)
11084 {
11085   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
11086     return getNewUserLevelSubdir();
11087
11088   return leveldir_current->subdir;
11089 }
11090
11091 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
11092 {
11093   char *directory_text = "Level set directory:";
11094   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
11095   int font1_nr = FONT_TEXT_1;
11096   int font2_nr = FONT_TEXT_2;
11097   int font1_height = getFontHeight(font1_nr);
11098   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
11099   int x = ED_LEVEL_SETTINGS_X(0);
11100   int y = ED_LEVEL_SETTINGS_Y(6);
11101
11102   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
11103   PrintInfoText(directory_name, font2_nr, x, y);
11104 }
11105
11106 static void DrawLevelConfigLevelSet(void)
11107 {
11108   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
11109   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
11110   int i;
11111
11112   // draw counter gadgets
11113   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
11114     MapCounterButtons(i);
11115
11116   // draw checkbutton gadgets
11117   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
11118   {
11119     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
11120         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
11121         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
11122       continue;
11123
11124     MapCheckbuttonGadget(i);
11125   }
11126
11127   // draw selectbox gadgets
11128   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
11129     MapSelectboxGadget(i);
11130
11131   // draw text input gadgets
11132   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
11133     MapTextInputGadget(i);
11134
11135   // draw textbutton gadgets
11136   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
11137
11138   // draw info text
11139   DrawLevelConfigLevelSet_DirectoryInfo();
11140 }
11141
11142 static void DrawLevelConfigEditor(void)
11143 {
11144   int i;
11145
11146   // draw counter gadgets
11147   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
11148     MapCounterButtons(i);
11149
11150   // draw checkbutton gadgets
11151   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
11152     MapCheckbuttonGadget(i);
11153
11154   // draw radiobutton gadgets
11155   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
11156     MapRadiobuttonGadget(i);
11157
11158   // draw drawing area
11159   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
11160
11161   // draw textbutton gadgets
11162   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
11163 }
11164
11165 static void DrawEngineConfigConfig(void)
11166 {
11167   int i;
11168
11169   // draw counter gadgets
11170   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
11171   {
11172     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
11173     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
11174   }
11175   else
11176   {
11177     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
11178     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
11179   }
11180
11181   // draw checkbutton gadgets
11182   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
11183     MapCheckbuttonGadget(i);
11184
11185   // draw selectbox gadgets
11186   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
11187     MapSelectboxGadget(i);
11188 }
11189
11190 static void DrawEngineConfigColors(void)
11191 {
11192   // (no settings yet)
11193 }
11194
11195 static void DrawLevelConfigEngine(void)
11196 {
11197   if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_CONFIG)
11198     DrawEngineConfigConfig();
11199   else if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_COLORS)
11200     DrawEngineConfigColors();
11201 }
11202
11203 static void DrawLevelConfigWindow(void)
11204 {
11205   char *text = "Global Settings";
11206   int font_nr = FONT_TITLE_1;
11207   struct MenuPosInfo *pos = &editor.settings.headline;
11208   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
11209   int sy = SY + pos->y;
11210
11211   stick_element_properties_window = FALSE;
11212
11213   SetAutomaticNumberOfGemsNeeded();
11214
11215   UnmapLevelEditorFieldGadgets();
11216
11217   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11218   ClearField();
11219
11220   DrawText(sx, sy, text, font_nr);
11221
11222   DrawLevelConfigTabulatorGadgets();
11223
11224   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
11225     DrawLevelConfigLevel();
11226   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
11227     DrawLevelConfigLevelSet();
11228   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
11229     DrawLevelConfigEditor();
11230   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11231     DrawLevelConfigEngine();
11232 }
11233
11234 static void DrawCustomContentArea(void)
11235 {
11236   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11237   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11238   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11239   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11240   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11241   int xoffset = ED_GADGET_SPACE_DISTANCE;
11242
11243   // add distance for potential left text (without drawing area border)
11244   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11245
11246   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11247
11248   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11249 }
11250
11251 static void DrawCustomChangeContentArea(void)
11252 {
11253   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11254   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11255   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11256   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11257   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11258   int xoffset = ED_GADGET_SPACE_DISTANCE;
11259
11260   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11261
11262   MapDrawingArea(id);
11263 }
11264
11265 static void RemoveElementContentArea(int id, int font_height)
11266 {
11267   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11268
11269   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11270                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11271                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11272                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11273                  ED_GADGET_TEXT_DISTANCE + font_height);
11274 }
11275
11276 static void DrawYamYamContentAreas(void)
11277 {
11278   int font_nr = FONT_TEXT_1;
11279   int font_height = getFontHeight(font_nr);
11280   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11281   int yoffset = (tilesize - font_height) / 2;
11282   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11283   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11284   int i;
11285
11286   // display counter to choose number of element content areas
11287   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11288
11289   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11290   {
11291     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11292
11293     if (i < level.num_yamyam_contents)
11294     {
11295       MapDrawingArea(id);
11296     }
11297     else
11298     {
11299       UnmapDrawingArea(id);
11300
11301       // delete content areas in case of reducing number of them
11302       RemoveElementContentArea(id, font_height);
11303     }
11304   }
11305
11306   DrawText(x, y + 0 * tilesize, "content", font_nr);
11307   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11308   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11309 }
11310
11311 static void DrawMagicBallContentAreas(void)
11312 {
11313   int font_nr = FONT_TEXT_1;
11314   int font_height = getFontHeight(font_nr);
11315   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11316   int yoffset = (tilesize - font_height) / 2;
11317   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11318   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11319   int i;
11320
11321   // display counter to choose number of element content areas
11322   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11323
11324   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11325   {
11326     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11327
11328     if (i < level.num_ball_contents)
11329     {
11330       MapDrawingArea(id);
11331     }
11332     else
11333     {
11334       UnmapDrawingArea(id);
11335
11336       // delete content areas in case of reducing number of them
11337       RemoveElementContentArea(id, font_height);
11338     }
11339   }
11340
11341   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11342   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11343   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11344 }
11345
11346 static void DrawAndroidElementArea(void)
11347 {
11348   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11349   int num_elements = level.num_android_clone_elements;
11350   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11351   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11352   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11353   int xsize = MAX_ANDROID_ELEMENTS;
11354   int ysize = 1;
11355
11356   // display counter to choose number of element areas
11357   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11358
11359   if (drawingarea_info[id].text_left != NULL)
11360     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11361
11362   UnmapDrawingArea(id);
11363
11364   ModifyEditorDrawingArea(id, num_elements, 1);
11365
11366   // delete content areas in case of reducing number of them
11367   DrawBackground(sx, sy,
11368                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11369                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11370
11371   MapDrawingArea(id);
11372 }
11373
11374 static void DrawGroupElementArea(void)
11375 {
11376   int id = ED_DRAWING_ID_GROUP_CONTENT;
11377   int num_elements = group_element_info.num_elements;
11378   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11379   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11380   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11381   int xsize = MAX_ELEMENTS_IN_GROUP;
11382   int ysize = 1;
11383
11384   if (drawingarea_info[id].text_left != NULL)
11385     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11386
11387   UnmapDrawingArea(id);
11388
11389   ModifyEditorDrawingArea(id, num_elements, 1);
11390
11391   // delete content areas in case of reducing number of them
11392   DrawBackground(sx, sy,
11393                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11394                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11395
11396   MapDrawingArea(id);
11397 }
11398
11399 static void DrawPlayerInitialInventoryArea(int element)
11400 {
11401   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11402   int player_nr = GET_PLAYER_NR(element);
11403   int num_elements = level.initial_inventory_size[player_nr];
11404   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11405   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11406   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11407   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11408   int ysize = 1;
11409
11410   // determine horizontal position to the right of specified gadget
11411   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11412     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11413           ED_DRAWINGAREA_TEXT_DISTANCE);
11414
11415   // determine horizontal offset for leading text
11416   if (drawingarea_info[id].text_left != NULL)
11417     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11418
11419   UnmapDrawingArea(id);
11420
11421   ModifyEditorDrawingArea(id, num_elements, 1);
11422
11423   // delete content areas in case of reducing number of them
11424   DrawBackground(sx, sy,
11425                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11426                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11427
11428   MapDrawingArea(id);
11429 }
11430
11431 static void DrawMMBallContentArea(void)
11432 {
11433   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11434   int num_elements = level.num_mm_ball_contents;
11435   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11436   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11437   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11438   int xsize = MAX_MM_BALL_CONTENTS;
11439   int ysize = 1;
11440
11441   if (drawingarea_info[id].text_left != NULL)
11442     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11443
11444   UnmapDrawingArea(id);
11445
11446   ModifyEditorDrawingArea(id, num_elements, 1);
11447
11448   // delete content areas in case of reducing number of them
11449   DrawBackground(sx, sy,
11450                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11451                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11452
11453   MapDrawingArea(id);
11454 }
11455
11456 static void DrawEnvelopeTextArea(int envelope_nr)
11457 {
11458   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11459   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11460
11461   UnmapGadget(gi);
11462
11463   DrawBackground(gi->x, gi->y,
11464                  gi->textarea.crop_width, gi->textarea.crop_height);
11465
11466   if (envelope_nr != -1)
11467     textarea_info[id].value = level.envelope[envelope_nr].text;
11468
11469   ModifyGadget(gi, GDI_AREA_SIZE,
11470                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11471                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11472                GDI_END);
11473
11474   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11475 }
11476
11477 static void DrawPropertiesInfo(void)
11478 {
11479   static struct
11480   {
11481     int value;
11482     char *text;
11483   }
11484   properties[] =
11485   {
11486     // configurable properties
11487
11488     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11489     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11490     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11491     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11492     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11493     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11494     { EP_PROTECTED,             "- player is protected by it"           },
11495
11496     { EP_DIGGABLE,              "- can be digged away"                  },
11497     { EP_COLLECTIBLE,           "- can be collected"                    },
11498     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11499     { EP_THROWABLE,             "- can be thrown after collecting"      },
11500     { EP_PUSHABLE,              "- can be pushed"                       },
11501
11502     { EP_CAN_FALL,              "- can fall"                            },
11503     { EP_CAN_MOVE,              "- can move"                            },
11504
11505     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11506 #if 0
11507     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11508 #endif
11509     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11510
11511     { EP_SLIPPERY,              "- slippery for falling elements"       },
11512     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11513
11514     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11515     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11516     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11517     { EP_DONT_TOUCH,            "- deadly when touching"                },
11518
11519     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11520
11521     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11522     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11523     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11524
11525     { EP_CAN_CHANGE,            "- can change to other element"         },
11526
11527     // pre-defined properties
11528     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11529     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11530     { EP_SWITCHABLE,            "- can be switched"                     },
11531 #if 0
11532     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11533 #endif
11534
11535     { -1,                       NULL                                    }
11536   };
11537   char *filename = getElementDescriptionFilename(properties_element);
11538   char *num_elements_text = "In this level: ";
11539   char *num_similar_text = "Similar tiles: ";
11540   char *properties_text = "Standard properties: ";
11541   char *description_text = "Description:";
11542   char *no_description_text = "No description available.";
11543   char *none_text = "None";
11544   float percentage;
11545   int num_elements_in_level = 0;
11546   int num_similar_in_level = 0;
11547   int num_hires_tiles_in_level = 0;
11548   int num_standard_properties = 0;
11549   int font1_nr = FONT_TEXT_1;
11550   int font2_nr = FONT_TEXT_2;
11551   int font1_width = getFontWidth(font1_nr);
11552   int font1_height = getFontHeight(font1_nr);
11553   int font2_height = getFontHeight(font2_nr);
11554   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11555   int font2_yoffset = (font1_height - font2_height) / 2;
11556   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11557   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11558   int properties_text_len = strlen(properties_text) * font1_width;
11559   int xpos = ED_ELEMENT_SETTINGS_X(0);
11560   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11561   int i, x, y;
11562
11563   if (setup.editor.show_element_token)
11564   {
11565     int font3_nr = FONT_TEXT_3;
11566     int font3_height = getFontHeight(font3_nr);
11567
11568     DrawTextF(xpos, ypos, font3_nr,
11569               "[%s]", element_info[properties_element].token_name);
11570
11571     ypos += 2 * font3_height;
11572   }
11573
11574   // ----- print number of elements / percentage of this element in level
11575
11576   for (y = 0; y < lev_fieldy; y++)
11577   {
11578     for (x = 0; x < lev_fieldx; x++)
11579     {
11580       if (Tile[x][y] == properties_element)
11581       {
11582         num_elements_in_level++;
11583       }
11584       else if (IS_MM_WALL(Tile[x][y]) &&
11585                map_mm_wall_element(Tile[x][y]) == properties_element)
11586       {
11587         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11588       }
11589     }
11590   }
11591
11592   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11593
11594   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11595
11596   if (num_hires_tiles_in_level > 0)
11597     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11598               "%d wall tiles", num_hires_tiles_in_level);
11599   else if (num_elements_in_level > 0)
11600     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11601               "%d (%.2f %%)", num_elements_in_level, percentage);
11602   else
11603     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11604               none_text);
11605
11606   // ----- print number of similar elements / percentage of them in level
11607
11608   for (y = 0; y < lev_fieldy; y++)
11609   {
11610     for (x = 0; x < lev_fieldx; x++)
11611     {
11612       if (strEqual(element_info[Tile[x][y]].class_name,
11613                    element_info[properties_element].class_name))
11614       {
11615         num_similar_in_level++;
11616       }
11617     }
11618   }
11619
11620   if (num_similar_in_level != num_elements_in_level)
11621   {
11622     ypos += 1 * MAX(font1_height, font2_height);
11623
11624     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11625
11626     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11627
11628     if (num_similar_in_level > 0)
11629       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11630                 "%d (%.2f %%)", num_similar_in_level, percentage);
11631     else
11632       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11633                 none_text);
11634   }
11635
11636   ypos += 2 * MAX(font1_height, font2_height);
11637
11638   // ----- print standard properties of this element
11639
11640   DrawTextS(xpos, ypos, font1_nr, properties_text);
11641
11642   ypos += line1_height;
11643
11644   for (i = 0; properties[i].value != -1; i++)
11645   {
11646     if (!HAS_PROPERTY(properties_element, properties[i].value))
11647       continue;
11648
11649     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11650
11651     ypos += font2_height;
11652
11653     num_standard_properties++;
11654   }
11655
11656   if (num_standard_properties == 0)
11657   {
11658     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11659               font2_nr, none_text);
11660
11661     ypos -= (line1_height - font1_height);
11662   }
11663
11664   ypos += MAX(font1_height, font2_height);
11665
11666   // ----- print special description of this element
11667
11668   PrintInfoText(description_text, font1_nr, xpos, ypos);
11669
11670   ypos += line1_height;
11671
11672   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11673     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11674 }
11675
11676 #define TEXT_COLLECTING                 "Score for collecting"
11677 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11678 #define TEXT_SMASHING                   "Score for smashing"
11679 #define TEXT_SLURPING                   "Score for slurping robot"
11680 #define TEXT_CRACKING                   "Score for cracking"
11681 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11682 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11683 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11684 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11685 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11686 #define TEXT_DURATION                   "Duration when activated"
11687 #define TEXT_DELAY_ON                   "Delay before activating"
11688 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11689 #define TEXT_DELAY_CHANGING             "Delay before changing"
11690 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11691 #define TEXT_DELAY_MOVING               "Delay before moving"
11692 #define TEXT_BALL_DELAY                 "Element generation delay"
11693 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11694 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11695 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11696 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11697 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11698 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11699 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11700 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11701 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11702 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11703 #define TEXT_RANDOM_SEED                "slime random number seed"
11704 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11705 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11706 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11707 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11708 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11709 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11710 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11711 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11712 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
11713
11714 static struct
11715 {
11716   int element;
11717   int *value;
11718   char *text;
11719   int min_value;
11720   int max_value;
11721 } elements_with_counter[] =
11722 {
11723   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11724   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11725   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11726   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11727   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11728   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11729   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11730   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11731   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11732   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11733   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11734   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11735   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11736   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11737   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11738   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11739   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11740   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11741   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11742   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11743   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11744   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11745   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11746   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11747   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11748   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11749   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11750   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11751   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11752   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11753   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11754   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11755   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11756   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11757   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11758   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11759   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11760   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11761   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11762   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11763   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11764   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11765   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11766   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11767   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11768   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11769   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11770   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11771   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11772   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11773   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11774   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11775   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11776   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11777   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11778   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11779   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11780   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11781   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11782   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11783   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11784   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11785   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11786   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11787   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11788   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11789   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11790   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11791   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11792   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11793   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11794   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11795   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11796   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11797   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11798   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11799   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11800   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11801   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11802   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11803   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11804   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11805   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11806                                 0, 100                                                          },
11807   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11808                                 0, 100                                                          },
11809   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11810   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11811   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11812                                 0, 100                                                          },
11813   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11814                                 0, 100                                                          },
11815   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11816   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11817   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11818   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11819   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11820   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11821   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11822   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11823   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11824   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11825   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11826                                 -100, 100                                                       },
11827   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11828                                 0, 100                                                          },
11829   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11830                                 0, 100                                                          },
11831   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11832                                 0, 255                                                          },
11833   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11834                                 -1, 65535                                                       },
11835   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11836                                 0, 100                                                          },
11837   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11838                                 0, 3                                                            },
11839   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11840                                 0, 3                                                            },
11841   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11842                                 0, 3                                                            },
11843   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11844                                 0, 3                                                            },
11845   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11846                                 0, 3                                                            },
11847   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11848                                 0, 100                                                          },
11849   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11850                                 1, 100                                                          },
11851   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11852                                 1, 200                                                          },
11853   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11854                                 0, 50                                                           },
11855   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11856                                 0, 50                                                           },
11857   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11858                                 0, 10                                                           },
11859   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
11860   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
11861                                 1, 60                                                           },
11862   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11863   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11864   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11865   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11866   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11867   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11868   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11869   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11870   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11871   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11872   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11873   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11874   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11875   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11876   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11877   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11878   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11879   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11880   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11881   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11882   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11883   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11884   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11885   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11886   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11887
11888   { -1,                         NULL,                                   NULL                    }
11889 };
11890
11891 static boolean checkPropertiesConfig(int element)
11892 {
11893   int i;
11894
11895   // special case: empty space customization only available in R'n'D game engine
11896   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11897     return FALSE;
11898
11899   // special case: BD style rock customization only available in BD game engine
11900   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11901     return FALSE;
11902
11903   if (IS_GEM(element) ||
11904       IS_CUSTOM_ELEMENT(element) ||
11905       IS_GROUP_ELEMENT(element) ||
11906       IS_EMPTY_ELEMENT(element) ||
11907       IS_BALLOON_ELEMENT(element) ||
11908       IS_ENVELOPE(element) ||
11909       IS_MM_ENVELOPE(element) ||
11910       IS_MM_MCDUFFIN(element) ||
11911       IS_DF_LASER(element) ||
11912       IS_PLAYER_ELEMENT(element) ||
11913       IS_BD_PLAYER_ELEMENT(element) ||
11914       IS_BD_FIREFLY(properties_element) ||
11915       IS_BD_FIREFLY_2(properties_element) ||
11916       IS_BD_BUTTERFLY(properties_element) ||
11917       IS_BD_BUTTERFLY_2(properties_element) ||
11918       IS_BD_STONEFLY(properties_element) ||
11919       IS_BD_DRAGONFLY(properties_element) ||
11920       IS_BD_EXPANDABLE_WALL(properties_element) ||
11921       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11922       IS_BD_CONVEYOR_BELT(properties_element) ||
11923       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11924       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11925       HAS_EDITOR_CONTENT(element) ||
11926       CAN_GROW(element) ||
11927       COULD_MOVE_INTO_ACID(element) ||
11928       MAYBE_DONT_COLLIDE_WITH(element) ||
11929       element == EL_BD_SAND ||
11930       element == EL_BD_ROCK ||
11931       element == EL_BD_MEGA_ROCK ||
11932       element == EL_BD_BOMB ||
11933       element == EL_BD_ROCKET_LAUNCHER ||
11934       element == EL_BD_NITRO_PACK ||
11935       element == EL_BD_SWEET ||
11936       element == EL_BD_VOODOO_DOLL ||
11937       element == EL_BD_WATER ||
11938       element == EL_BD_GRAVITY_SWITCH)
11939   {
11940     return TRUE;
11941   }
11942   else
11943   {
11944     for (i = 0; elements_with_counter[i].element != -1; i++)
11945       if (elements_with_counter[i].element == element)
11946         return TRUE;
11947   }
11948
11949   return FALSE;
11950 }
11951
11952 static void SetAutomaticNumberOfGemsNeeded(void)
11953 {
11954   int x, y;
11955
11956   if (!level.auto_count_gems)
11957     return;
11958
11959   level.gems_needed = 0;
11960
11961   for (x = 0; x < lev_fieldx; x++)
11962   {
11963     for (y = 0; y < lev_fieldy; y++)
11964     {
11965       int element = Tile[x][y];
11966
11967       switch (element)
11968       {
11969         case EL_EMERALD:
11970         case EL_EMERALD_YELLOW:
11971         case EL_EMERALD_RED:
11972         case EL_EMERALD_PURPLE:
11973         case EL_BD_DIAMOND:
11974         case EL_WALL_EMERALD:
11975         case EL_WALL_EMERALD_YELLOW:
11976         case EL_WALL_EMERALD_RED:
11977         case EL_WALL_EMERALD_PURPLE:
11978         case EL_WALL_BD_DIAMOND:
11979         case EL_NUT:
11980         case EL_SP_INFOTRON:
11981         case EL_MM_KETTLE:
11982         case EL_DF_CELL:
11983           level.gems_needed++;
11984           break;
11985
11986         case EL_DIAMOND:
11987         case EL_WALL_DIAMOND:
11988           level.gems_needed += 3;
11989           break;
11990
11991         case EL_PEARL:
11992         case EL_WALL_PEARL:
11993           level.gems_needed += 5;
11994           break;
11995
11996         case EL_CRYSTAL:
11997         case EL_WALL_CRYSTAL:
11998           level.gems_needed += 8;
11999           break;
12000
12001         default:
12002           break;
12003       }
12004     }
12005   }
12006
12007   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
12008 }
12009
12010 static void DrawPropertiesConfig(void)
12011 {
12012   boolean draw_footer_line = FALSE;
12013   int max_num_element_counters = 4;
12014   int num_element_counters = 0;
12015   int i;
12016
12017   if (!checkPropertiesConfig(properties_element))
12018   {
12019     int xpos = ED_ELEMENT_SETTINGS_X(0);
12020     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
12021
12022     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
12023
12024     return;
12025   }
12026
12027   // check if there are elements where a value can be chosen for
12028   for (i = 0; elements_with_counter[i].element != -1; i++)
12029   {
12030     if (elements_with_counter[i].element != properties_element)
12031       continue;
12032
12033     // special case: score for extra diamonds only available in BD game engine
12034     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
12035         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
12036         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12037       continue;
12038
12039     // special case: some amoeba counters only available in BD 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     // special case: score for smashing only available in R'n'D game engine
12046     if ((IS_BD_FIREFLY(elements_with_counter[i].element) ||
12047          IS_BD_BUTTERFLY(elements_with_counter[i].element)) &&
12048         (elements_with_counter[i].value == &level.score[SC_BUG] ||
12049          elements_with_counter[i].value == &level.score[SC_SPACESHIP]) &&
12050         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12051       continue;
12052
12053     // special case: some amoeba counters only available in R'n'D game engine
12054     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12055         elements_with_counter[i].value == &level.amoeba_speed &&
12056         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12057       continue;
12058
12059     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
12060
12061     counterbutton_info[counter_id].y =
12062       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
12063                                (CAN_GROW(properties_element)                ? 1 : 0) +
12064                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
12065                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
12066                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
12067                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
12068                                (properties_element == EL_BD_ACID            ? 1 : 0) +
12069                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
12070                                (properties_element == EL_BD_CREATURE_SWITCH ? 1 : 0) +
12071                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
12072                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
12073                                num_element_counters);
12074
12075     // special case: set magic wall counter for BD game engine separately
12076     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12077       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
12078
12079     // special case: set amoeba counters for BD game engine separately
12080     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
12081         (properties_element == EL_BD_AMOEBA_2))
12082       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
12083
12084     // special case: set position for delay counter for reappearing hammered walls
12085     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
12086       counterbutton_info[counter_id].y += 1;
12087
12088     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
12089     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
12090     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
12091     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
12092
12093     // default: counter values between 0 and 999
12094     if (counterbutton_info[counter_id].max_value == 0)
12095       counterbutton_info[counter_id].max_value = 999;
12096
12097     MapCounterButtons(counter_id);
12098
12099     num_element_counters++;
12100     if (num_element_counters >= max_num_element_counters)
12101       break;
12102   }
12103
12104   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12105   {
12106     // draw stickybutton gadget
12107     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12108
12109     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE);
12110     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
12111     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
12112     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN);
12113
12114     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
12115     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
12116     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
12117     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
12118     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
12119     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
12120     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
12121   }
12122
12123   if (HAS_EDITOR_CONTENT(properties_element))
12124   {
12125     // draw stickybutton gadget
12126     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12127
12128     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12129     {
12130       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12131       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12132
12133       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
12134       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
12135     }
12136     else if (properties_element == EL_BD_AMOEBA_2)
12137     {
12138       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12139       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12140       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
12141
12142       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
12143       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
12144       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
12145       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
12146     }
12147     else if (IS_AMOEBOID(properties_element))
12148     {
12149       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
12150     }
12151     else if (properties_element == EL_BD_ACID)
12152     {
12153       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
12154       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
12155     }
12156     else if (IS_BD_BITER(properties_element))
12157     {
12158       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
12159     }
12160     else if (properties_element == EL_BD_BLADDER)
12161     {
12162       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
12163     }
12164     else if (properties_element == EL_YAMYAM ||
12165              properties_element == EL_YAMYAM_LEFT ||
12166              properties_element == EL_YAMYAM_RIGHT ||
12167              properties_element == EL_YAMYAM_UP ||
12168              properties_element == EL_YAMYAM_DOWN)
12169     {
12170       DrawYamYamContentAreas();
12171     }
12172     else if (properties_element == EL_EMC_MAGIC_BALL)
12173     {
12174       DrawMagicBallContentAreas();
12175
12176       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
12177       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
12178     }
12179     else if (properties_element == EL_EMC_ANDROID)
12180     {
12181       DrawAndroidElementArea();
12182     }
12183     else if (properties_element == EL_MM_GRAY_BALL)
12184     {
12185       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
12186       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
12187       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
12188       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
12189
12190       DrawMMBallContentArea();
12191     }
12192   }
12193
12194   if (IS_PLAYER_ELEMENT(properties_element))
12195   {
12196     int player_nr = GET_PLAYER_NR(properties_element);
12197
12198     // these properties can be set for every player individually
12199
12200     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12201     {
12202       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
12203         &level.start_element[player_nr];
12204       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
12205         &level.artwork_element[player_nr];
12206       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
12207         &level.explosion_element[player_nr];
12208
12209       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
12210         &level.use_start_element[player_nr];
12211       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
12212         &level.use_artwork_element[player_nr];
12213       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
12214         &level.use_explosion_element[player_nr];
12215       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
12216         &level.initial_player_gravity[player_nr];
12217
12218       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
12219         &level.initial_player_stepsize[player_nr];
12220
12221       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
12222       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
12223                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
12224                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
12225       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
12226       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
12227       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
12228       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
12229       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
12230       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
12231       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
12232       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
12233       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
12234       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
12235       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
12236
12237       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
12238       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
12239       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
12240
12241       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
12242     }
12243     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12244     {
12245       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
12246         &level.initial_inventory_content[player_nr][0];
12247
12248       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12249         &level.initial_inventory_size[player_nr];
12250
12251       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12252         &level.use_initial_inventory[player_nr];
12253
12254       // draw checkbutton gadgets
12255       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12256       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12257       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12258
12259       // draw counter gadgets
12260       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12261
12262       // draw drawing area gadgets
12263       DrawPlayerInitialInventoryArea(properties_element);
12264     }
12265   }
12266
12267   if (IS_BD_PLAYER_ELEMENT(properties_element))
12268   {
12269     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12270       ED_ELEMENT_SETTINGS_YPOS(2);
12271     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12272       ED_ELEMENT_SETTINGS_YPOS(3);
12273     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12274       ED_ELEMENT_SETTINGS_YPOS(4);
12275
12276     // draw checkbutton gadgets
12277     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12278     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12279     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12280
12281     // draw counter gadgets
12282     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12283     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12284
12285     // draw drawing area gadgets
12286     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12287   }
12288
12289   if (properties_element == EL_BD_SAND)
12290   {
12291     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12292   }
12293
12294   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12295   {
12296     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12297       ED_ELEMENT_SETTINGS_YPOS(0);
12298     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12299       ED_ELEMENT_SETTINGS_YPOS(1);
12300
12301     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12302     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12303
12304     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12305     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12306   }
12307
12308   if (properties_element == EL_BD_DIAMOND && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12309   {
12310     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12311     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12312   }
12313
12314   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12315   {
12316     if (IS_BD_FIREFLY(properties_element))
12317     {
12318       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO);
12319       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12320     }
12321     else if (IS_BD_FIREFLY_2(properties_element))
12322     {
12323       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12324       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12325     }
12326     else if (IS_BD_BUTTERFLY(properties_element))
12327     {
12328       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO);
12329       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12330     }
12331     else if (IS_BD_BUTTERFLY_2(properties_element))
12332     {
12333       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12334       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12335     }
12336     else if (IS_BD_STONEFLY(properties_element))
12337     {
12338       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12339     }
12340     else if (IS_BD_DRAGONFLY(properties_element))
12341     {
12342       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12343       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12344     }
12345     else if (properties_element == EL_BD_BOMB)
12346     {
12347       MapDrawingArea(ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO);
12348     }
12349     else if (properties_element == EL_BD_NITRO_PACK)
12350     {
12351       MapDrawingArea(ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO);
12352     }
12353   }
12354
12355   if (properties_element == EL_BD_MEGA_ROCK ||
12356       properties_element == EL_BD_SWEET)
12357   {
12358     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12359       ED_ELEMENT_SETTINGS_YPOS(0);
12360     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12361       ED_ELEMENT_SETTINGS_YPOS(1);
12362
12363     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12364     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12365   }
12366
12367   if (properties_element == EL_BD_VOODOO_DOLL)
12368   {
12369     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12370     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12371     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12372     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12373   }
12374
12375   if (properties_element == EL_BD_SLIME)
12376   {
12377     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12378
12379     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12380     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12381     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12382     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12383     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12384     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12385   }
12386
12387   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
12388       IS_BD_EXPANDABLE_STEELWALL(properties_element))
12389   {
12390     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12391
12392     if (IS_BD_EXPANDABLE_WALL(properties_element))
12393       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12394   }
12395
12396   if (properties_element == EL_BD_REPLICATOR)
12397   {
12398     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12399   }
12400
12401   if (IS_BD_CONVEYOR_BELT(properties_element) ||
12402       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
12403   {
12404     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12405     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12406   }
12407
12408   if (properties_element == EL_BD_WATER)
12409   {
12410     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12411   }
12412
12413   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12414   {
12415     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12416   }
12417
12418   if (properties_element == EL_BD_ROCKET_LAUNCHER)
12419   {
12420     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS);
12421   }
12422
12423   if (properties_element == EL_BD_CREATURE_SWITCH)
12424   {
12425     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12426     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12427   }
12428
12429   if (properties_element == EL_BD_GRAVITY_SWITCH)
12430   {
12431     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12432
12433     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12434     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12435   }
12436
12437   if (properties_element == EL_BD_NUT)
12438   {
12439     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12440   }
12441
12442   // special case: slippery walls option for gems only available in R'n'D game engine
12443   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12444     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12445
12446   if (properties_element == EL_EM_DYNAMITE)
12447     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12448
12449   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12450       COULD_MOVE_INTO_ACID(properties_element) &&
12451       !IS_PLAYER_ELEMENT(properties_element) &&
12452       (!IS_CUSTOM_ELEMENT(properties_element) ||
12453        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12454   {
12455     // set position for checkbutton for "can move into acid"
12456     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12457       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12458     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12459       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12460                                IS_BALLOON_ELEMENT(properties_element) ||
12461                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12462
12463     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12464   }
12465
12466   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12467     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12468
12469   if (properties_element == EL_SPRING ||
12470       properties_element == EL_SPRING_LEFT ||
12471       properties_element == EL_SPRING_RIGHT)
12472     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12473
12474   if (properties_element == EL_TIME_ORB_FULL)
12475     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12476
12477   if (properties_element == EL_GAME_OF_LIFE ||
12478       properties_element == EL_BIOMAZE)
12479     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12480
12481   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12482   {
12483     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12484       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12485
12486     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12487   }
12488
12489   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12490     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12491
12492   if (properties_element == EL_SOKOBAN_OBJECT)
12493     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12494
12495   if (properties_element == EL_SOKOBAN_OBJECT ||
12496       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12497       properties_element == EL_SOKOBAN_FIELD_FULL)
12498   {
12499     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12500       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12501                                0 : 1);
12502
12503     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12504   }
12505
12506   if (IS_BALLOON_ELEMENT(properties_element))
12507     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12508
12509   if (IS_ENVELOPE(properties_element) ||
12510       IS_MM_ENVELOPE(properties_element))
12511   {
12512     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12513     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12514     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12515     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12516     int envelope_nr = ENVELOPE_NR(properties_element);
12517
12518     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12519     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12520
12521     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12522     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12523
12524     // display counter to choose size of envelope text area
12525     MapCounterButtons(counter1_id);
12526     MapCounterButtons(counter2_id);
12527
12528     // display checkbuttons to choose auto-wrap and alignment properties
12529     MapCheckbuttonGadget(button1_id);
12530     MapCheckbuttonGadget(button2_id);
12531
12532     DrawEnvelopeTextArea(envelope_nr);
12533   }
12534
12535   if (IS_MM_MCDUFFIN(properties_element))
12536   {
12537     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12538     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12539     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12540   }
12541
12542   if (IS_DF_LASER(properties_element))
12543   {
12544     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12545     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12546     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12547   }
12548
12549   if (IS_CUSTOM_ELEMENT(properties_element))
12550   {
12551     // draw stickybutton gadget
12552     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12553
12554     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12555     {
12556       // draw checkbutton gadgets
12557       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12558            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12559         MapCheckbuttonGadget(i);
12560
12561       // draw counter gadgets
12562       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12563            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12564         MapCounterButtons(i);
12565
12566       // draw selectbox gadgets
12567       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12568            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12569         MapSelectboxGadget(i);
12570
12571       // draw textbutton gadgets
12572       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12573
12574       // draw text input gadgets
12575       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12576
12577       // draw drawing area gadgets
12578       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12579
12580       draw_footer_line = TRUE;
12581     }
12582     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12583     {
12584       // draw checkbutton gadgets
12585       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12586            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12587         MapCheckbuttonGadget(i);
12588
12589       // draw counter gadgets
12590       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12591            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12592         MapCounterButtons(i);
12593
12594       // draw selectbox gadgets
12595       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12596            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12597         MapSelectboxGadget(i);
12598
12599       // draw drawing area gadgets
12600       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12601       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12602       DrawCustomContentArea();
12603     }
12604   }
12605   else if (IS_GROUP_ELEMENT(properties_element))
12606   {
12607     // draw stickybutton gadget
12608     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12609
12610     // draw checkbutton gadgets
12611     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12612     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12613
12614     // draw counter gadgets
12615     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12616
12617     // draw selectbox gadgets
12618     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12619
12620     // draw textbutton gadgets
12621     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12622
12623     // draw drawing area gadgets
12624     DrawGroupElementArea();
12625
12626     // draw text input gadgets
12627     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12628
12629     // draw drawing area gadgets
12630     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12631
12632     draw_footer_line = TRUE;
12633   }
12634   else if (IS_EMPTY_ELEMENT(properties_element))
12635   {
12636     // draw stickybutton gadget
12637     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12638
12639     // draw checkbutton gadgets
12640     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12641     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12642
12643     // draw textbutton gadgets
12644     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12645
12646     // draw drawing area gadgets
12647     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12648
12649     draw_footer_line = TRUE;
12650   }
12651
12652   // draw little footer border line above CE/GE use/save template gadgets
12653   if (draw_footer_line)
12654   {
12655     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12656     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12657     int gd_x = gd->x + gd_gi1->border.width / 2;
12658     int gd_y = gd->y + gd_gi1->height - 1;
12659     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12660
12661     if (tab_color != BLACK_PIXEL)               // black => transparent
12662       FillRectangle(drawto,
12663                     SX + ED_ELEMENT_SETTINGS_X(0),
12664                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12665                     ED_TAB_BAR_HEIGHT,
12666                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12667   }
12668 }
12669
12670 static void DrawPropertiesChangeDrawingAreas(void)
12671 {
12672   if (IS_CUSTOM_ELEMENT(properties_element))
12673   {
12674     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12675     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12676     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12677
12678     DrawCustomChangeContentArea();
12679   }
12680
12681   redraw_mask |= REDRAW_FIELD;
12682 }
12683
12684 static void DrawPropertiesChange(void)
12685 {
12686   int i;
12687
12688   // needed to initially set selectbox options for special action options
12689   setSelectboxSpecialActionOptions();
12690
12691   // draw stickybutton gadget
12692   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12693
12694   // draw checkbutton gadgets
12695   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12696        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12697     MapCheckbuttonGadget(i);
12698
12699   // draw counter gadgets
12700   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12701        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12702     MapCounterButtons(i);
12703
12704   // draw selectbox gadgets
12705   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12706        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12707     MapSelectboxGadget(i);
12708
12709   // draw textbutton gadgets
12710   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12711        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12712     MapTextbuttonGadget(i);
12713
12714   // draw graphicbutton gadgets
12715   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12716        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12717     MapGraphicbuttonGadget(i);
12718
12719   // draw drawing area gadgets
12720   DrawPropertiesChangeDrawingAreas();
12721 }
12722
12723 static void DrawEditorElementAnimation(int x, int y)
12724 {
12725   int graphic;
12726   int frame;
12727
12728   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12729
12730   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12731 }
12732
12733 static void DrawEditorElementName(int x, int y, int font_nr)
12734 {
12735   char *element_name = getElementInfoText(properties_element);
12736   int font_width = getFontWidth(font_nr);
12737   int font_height = getFontHeight(font_nr);
12738   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12739   int max_chars_per_line = max_text_width / font_width;
12740
12741   if (strlen(element_name) <= max_chars_per_line)
12742     DrawTextS(x, y, font_nr, element_name);
12743   else
12744   {
12745     char buffer[max_chars_per_line + 1];
12746     int next_pos = max_chars_per_line;
12747
12748     strncpy(buffer, element_name, max_chars_per_line);
12749     buffer[max_chars_per_line] = '\0';
12750
12751     if (element_name[max_chars_per_line] == ' ')
12752       next_pos++;
12753     else
12754     {
12755       int i;
12756
12757       for (i = max_chars_per_line - 1; i >= 0; i--)
12758         if (buffer[i] == ' ')
12759           break;
12760
12761       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12762       {
12763         buffer[i] = '\0';
12764         next_pos = i + 1;
12765       }
12766     }
12767
12768     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12769
12770     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12771     buffer[max_chars_per_line] = '\0';
12772
12773     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12774   }
12775 }
12776
12777 static void DrawPropertiesWindow(void)
12778 {
12779   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12780   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12781   int border_size = gd->border_size;
12782   int font_nr = FONT_TEXT_1;
12783   int font_height = getFontHeight(font_nr);
12784   int xoffset = TILEX + element_border + 3 * border_size;
12785   int yoffset = (TILEY - font_height) / 2;
12786   int x1 = editor.settings.element_graphic.x + element_border;
12787   int y1 = editor.settings.element_graphic.y + element_border;
12788   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12789             editor.settings.element_name.x);
12790   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12791             editor.settings.element_name.y);
12792   char *text = "Element Settings";
12793   int font2_nr = FONT_TITLE_1;
12794   struct MenuPosInfo *pos = &editor.settings.headline;
12795   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12796   int sy = SY + pos->y;
12797
12798   stick_element_properties_window = FALSE;
12799
12800   // make sure that previous properties edit mode exists for this element
12801   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12802       !IS_CUSTOM_ELEMENT(properties_element))
12803     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12804
12805   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12806       !IS_PLAYER_ELEMENT(properties_element) &&
12807       !IS_CUSTOM_ELEMENT(properties_element))
12808     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12809
12810   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12811       (IS_PLAYER_ELEMENT(properties_element) ||
12812        IS_CUSTOM_ELEMENT(properties_element)))
12813     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12814
12815   CopyElementPropertiesToEditor(properties_element);
12816
12817   UnmapLevelEditorFieldGadgets();
12818   UnmapLevelEditorToolboxDrawingGadgets();
12819   UnmapLevelEditorToolboxCustomGadgets();
12820
12821   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12822
12823   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12824   ClearField();
12825
12826   DrawText(sx, sy, text, font2_nr);
12827
12828   FrameCounter = 0;     // restart animation frame counter
12829
12830   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12831   DrawEditorElementAnimation(SX + x1, SY + y1);
12832   DrawEditorElementName(x2, y2, font_nr);
12833
12834   DrawPropertiesTabulatorGadgets();
12835
12836   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12837     DrawPropertiesInfo();
12838   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12839     DrawPropertiesChange();
12840   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12841     DrawPropertiesConfig();
12842 }
12843
12844 static void DrawPaletteWindow(void)
12845 {
12846   int i;
12847
12848   UnmapLevelEditorFieldGadgets();
12849
12850   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12851   ClearField();
12852
12853   // map buttons to select elements
12854   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12855     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12856   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12857   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12858   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12859 }
12860
12861 static void UpdateCustomElementGraphicGadgets(void)
12862 {
12863   int i;
12864
12865   InitElementPropertiesGfxElement();
12866
12867   ModifyEditorElementList();
12868   RedrawDrawingElements();
12869
12870   // force redraw of all mapped drawing area gadgets
12871   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12872   {
12873     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12874
12875     if (gi->mapped)
12876       MapDrawingArea(i);
12877   }
12878 }
12879
12880 static int getOpenDirectionFromTube(int element)
12881 {
12882   switch (element)
12883   {
12884     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12885     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12886     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12887     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12888     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12889     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12890     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12891     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12892     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12893     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12894     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12895   }
12896
12897   return MV_NONE;
12898 }
12899
12900 static int getTubeFromOpenDirection(int direction)
12901 {
12902   switch (direction)
12903   {
12904     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12905     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12906     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12907     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12908     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12909     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12910     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12911     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12912     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12913     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12914     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12915
12916     // if only one direction, fall back to simple tube with that direction
12917     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12918     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12919     case (MV_UP):                       return EL_TUBE_VERTICAL;
12920     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12921   }
12922
12923   return EL_EMPTY;
12924 }
12925
12926 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12927 {
12928   int element_new = getTubeFromOpenDirection(direction);
12929
12930   return (element_new != EL_EMPTY ? element_new : element_old);
12931 }
12932
12933 static int getOpenDirectionFromBelt(int element)
12934 {
12935   int belt_dir = getBeltDirFromBeltElement(element);
12936
12937   return (belt_dir == MV_LEFT ? MV_RIGHT :
12938           belt_dir == MV_RIGHT ? MV_LEFT :
12939           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12940 }
12941
12942 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12943 {
12944   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12945                   direction == MV_RIGHT ? MV_LEFT :
12946                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12947
12948   if (direction == MV_NONE)
12949     return EL_EMPTY;
12950
12951   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12952 }
12953
12954 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12955                                                  int element_old)
12956 {
12957   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12958
12959   return (element_new != EL_EMPTY ? element_new : element_old);
12960 }
12961
12962 static int getOpenDirectionFromPool(int element)
12963 {
12964   switch (element)
12965   {
12966     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12967     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12968     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12969     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12970     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12971     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12972   }
12973
12974   return MV_NONE;
12975 }
12976
12977 static int getPoolFromOpenDirection(int direction)
12978 {
12979   switch (direction)
12980   {
12981     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12982     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12983     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12984     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12985     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12986     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12987   }
12988
12989   return EL_EMPTY;
12990 }
12991
12992 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12993 {
12994   int element = getPoolFromOpenDirection(direction);
12995   int help_direction = getOpenDirectionFromPool(help_element);
12996
12997   if (element == EL_EMPTY)
12998   {
12999     int help_direction_vertical = help_direction & MV_VERTICAL;
13000
13001     element = getPoolFromOpenDirection(direction | help_direction_vertical);
13002   }
13003
13004   if (element == EL_EMPTY)
13005   {
13006     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
13007
13008     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
13009   }
13010
13011   return element;
13012 }
13013
13014 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
13015 {
13016   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
13017
13018   return (element_new != EL_EMPTY ? element_new : element_old);
13019 }
13020
13021 static int getOpenDirectionFromPillar(int element)
13022 {
13023   switch (element)
13024   {
13025     case EL_EMC_WALL_1:                 return (MV_DOWN);
13026     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
13027     case EL_EMC_WALL_3:                 return (MV_UP);
13028   }
13029
13030   return MV_NONE;
13031 }
13032
13033 static int getPillarFromOpenDirection(int direction)
13034 {
13035   switch (direction)
13036   {
13037     case (MV_DOWN):                     return EL_EMC_WALL_1;
13038     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
13039     case (MV_UP):                       return EL_EMC_WALL_3;
13040   }
13041
13042   return EL_EMPTY;
13043 }
13044
13045 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
13046 {
13047   int element_new = getPillarFromOpenDirection(direction);
13048
13049   return (element_new != EL_EMPTY ? element_new : element_old);
13050 }
13051
13052 static int getOpenDirectionFromSteel2(int element)
13053 {
13054   switch (element)
13055   {
13056     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
13057     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
13058     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
13059     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
13060     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
13061     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
13062     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
13063     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
13064   }
13065
13066   return MV_NONE;
13067 }
13068
13069 static int getSteel2FromOpenDirection(int direction)
13070 {
13071   switch (direction)
13072   {
13073     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
13074     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
13075     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
13076     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
13077     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
13078     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
13079     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
13080     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
13081   }
13082
13083   return EL_EMPTY;
13084 }
13085
13086 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
13087 {
13088   int element_new = getSteel2FromOpenDirection(direction);
13089
13090   return (element_new != EL_EMPTY ? element_new : element_old);
13091 }
13092
13093 static int getOpenDirectionFromChip(int element)
13094 {
13095   switch (element)
13096   {
13097     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
13098     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
13099     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
13100     case EL_SP_CHIP_TOP:                return (MV_DOWN);
13101     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
13102   }
13103
13104   return MV_NONE;
13105 }
13106
13107 static int getChipFromOpenDirection(int direction)
13108 {
13109   switch (direction)
13110   {
13111     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
13112     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
13113     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
13114     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
13115     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
13116   }
13117
13118   return EL_EMPTY;
13119 }
13120
13121 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
13122 {
13123   int element_new = getChipFromOpenDirection(direction);
13124
13125   return (element_new != EL_EMPTY ? element_new : element_old);
13126 }
13127
13128 static int getClosedTube(int x, int y)
13129 {
13130   struct XY *xy = xy_directions;
13131   int element_old = IntelliDrawBuffer[x][y];
13132   int direction_old = getOpenDirectionFromTube(element_old);
13133   int direction_new = MV_NONE;
13134   int i;
13135
13136   for (i = 0; i < NUM_DIRECTIONS; i++)
13137   {
13138     int xx = x + xy[i].x;
13139     int yy = y + xy[i].y;
13140     int dir = MV_DIR_FROM_BIT(i);
13141     int dir_opposite = MV_DIR_OPPOSITE(dir);
13142
13143     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
13144         (direction_old & dir) &&
13145         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13146       direction_new |= dir;
13147   }
13148
13149   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
13150 }
13151
13152 static int getClosedBelt(int x, int y)
13153 {
13154   struct XY *xy = xy_directions;
13155   int element_old = IntelliDrawBuffer[x][y];
13156   int nr = getBeltNrFromBeltElement(element_old);
13157   int direction_old = getOpenDirectionFromBelt(element_old);
13158   int direction_new = MV_NONE;
13159   int i;
13160
13161   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13162   {
13163     int xx = x + xy[i].x;
13164     int yy = y + xy[i].y;
13165     int dir = MV_DIR_FROM_BIT(i);
13166     int dir_opposite = MV_DIR_OPPOSITE(dir);
13167
13168     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
13169         (direction_old & dir) &&
13170         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13171       direction_new |= dir;
13172   }
13173
13174   return getBeltFromNrAndOpenDirection(nr, direction_new);
13175 }
13176
13177 static int getClosedPool(int x, int y)
13178 {
13179   struct XY *xy = xy_directions;
13180   int element_old = IntelliDrawBuffer[x][y];
13181   int direction_old = getOpenDirectionFromPool(element_old);
13182   int direction_new = MV_NONE;
13183   int i;
13184
13185   for (i = 0; i < NUM_DIRECTIONS; i++)
13186   {
13187     int xx = x + xy[i].x;
13188     int yy = y + xy[i].y;
13189     int dir = MV_DIR_FROM_BIT(i);
13190     int dir_opposite = MV_DIR_OPPOSITE(dir);
13191
13192     if (IN_LEV_FIELD(xx, yy) &&
13193         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
13194         (direction_old & dir) &&
13195         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13196       direction_new |= dir;
13197   }
13198
13199   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
13200 }
13201
13202 static int getClosedPillar(int x, int y)
13203 {
13204   struct XY *xy = xy_directions;
13205   int element_old = IntelliDrawBuffer[x][y];
13206   int direction_old = getOpenDirectionFromPillar(element_old);
13207   int direction_new = MV_NONE;
13208   int i;
13209
13210   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13211   {
13212     int xx = x + xy[i].x;
13213     int yy = y + xy[i].y;
13214     int dir = MV_DIR_FROM_BIT(i);
13215     int dir_opposite = MV_DIR_OPPOSITE(dir);
13216
13217     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
13218         (direction_old & dir) &&
13219         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13220       direction_new |= dir;
13221   }
13222
13223   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
13224 }
13225
13226 static int getClosedSteel2(int x, int y)
13227 {
13228   struct XY *xy = xy_directions;
13229   int element_old = IntelliDrawBuffer[x][y];
13230   int direction_old = getOpenDirectionFromSteel2(element_old);
13231   int direction_new = MV_NONE;
13232   int i;
13233
13234   for (i = 0; i < NUM_DIRECTIONS; i++)
13235   {
13236     int xx = x + xy[i].x;
13237     int yy = y + xy[i].y;
13238     int dir = MV_DIR_FROM_BIT(i);
13239     int dir_opposite = MV_DIR_OPPOSITE(dir);
13240
13241     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
13242         (direction_old & dir) &&
13243         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13244       direction_new |= dir;
13245   }
13246
13247   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
13248 }
13249
13250 static int getClosedChip(int x, int y)
13251 {
13252   struct XY *xy = xy_directions;
13253   int element_old = IntelliDrawBuffer[x][y];
13254   int direction_old = getOpenDirectionFromChip(element_old);
13255   int direction_new = MV_NONE;
13256   int i;
13257
13258   for (i = 0; i < NUM_DIRECTIONS; i++)
13259   {
13260     int xx = x + xy[i].x;
13261     int yy = y + xy[i].y;
13262     int dir = MV_DIR_FROM_BIT(i);
13263     int dir_opposite = MV_DIR_OPPOSITE(dir);
13264
13265     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
13266         (direction_old & dir) &&
13267         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13268       direction_new |= dir;
13269   }
13270
13271   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
13272 }
13273
13274 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
13275                                 boolean change_level)
13276 {
13277   int sx = x - level_xpos;
13278   int sy = y - level_ypos;
13279   int old_element = Tile[x][y];
13280   int new_element = element;
13281   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13282   boolean draw_masked = FALSE;
13283
13284   if (IS_MM_WALL_EDITOR(element))
13285   {
13286     element = map_mm_wall_element_editor(element) | new_bitmask;
13287
13288     if (IS_MM_WALL(old_element))
13289       element |= MM_WALL_BITS(old_element);
13290
13291     if (!change_level)
13292       draw_masked = TRUE;
13293   }
13294   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13295   {
13296     int element_changed = old_element & ~new_bitmask;
13297
13298     if (MM_WALL_BITS(element_changed) != 0)
13299       element = element_changed;
13300   }
13301
13302   IntelliDrawBuffer[x][y] = element;
13303
13304   if (change_level)
13305     Tile[x][y] = element;
13306
13307   if (IN_ED_FIELD(sx, sy))
13308   {
13309     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13310       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13311     else if (draw_masked)
13312       DrawEditorElementThruMask(sx, sy, element);
13313     else
13314       DrawEditorElement(sx, sy, element);
13315   }
13316 }
13317
13318 static void SetElementSimple(int x, int y, int element, boolean change_level)
13319 {
13320   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13321 }
13322
13323 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13324                                            int x2, int y2, int *element2,
13325                                            int (*close_function)(int, int),
13326                                            boolean change_level)
13327 {
13328   // set neighbour elements to newly determined connections
13329   SetElementSimple(x1, y1, *element1, change_level);
13330   SetElementSimple(x2, y2, *element2, change_level);
13331
13332   // remove all open connections of neighbour elements
13333   *element1 = close_function(x1, y1);
13334   *element2 = close_function(x2, y2);
13335
13336   // set neighbour elements to new, minimized connections
13337   SetElementSimple(x1, y1, *element1, change_level);
13338   SetElementSimple(x2, y2, *element2, change_level);
13339 }
13340
13341 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13342                                   boolean change_level, int button)
13343 {
13344   struct XY *xy = xy_directions;
13345   static int last_x = -1;
13346   static int last_y = -1;
13347
13348   if (new_element == EL_UNDEFINED)
13349   {
13350     last_x = -1;
13351     last_y = -1;
13352
13353     return;
13354   }
13355
13356   int old_element = IntelliDrawBuffer[x][y];
13357
13358   if (IS_TUBE(new_element))
13359   {
13360     int last_element_new = EL_UNDEFINED;
13361     int direction = MV_NONE;
13362     int i;
13363
13364     // if old element is of same kind, keep all existing directions
13365     if (IS_TUBE(old_element))
13366       direction |= getOpenDirectionFromTube(old_element);
13367
13368     for (i = 0; i < NUM_DIRECTIONS; i++)
13369     {
13370       int xx = x + xy[i].x;
13371       int yy = y + xy[i].y;
13372
13373       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13374           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13375       {
13376         int dir = MV_DIR_FROM_BIT(i);
13377         int dir_opposite = MV_DIR_OPPOSITE(dir);
13378         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13379         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13380         int last_direction_new = last_direction_old | dir_opposite;
13381
13382         last_element_new = getTubeFromOpenDirection(last_direction_new);
13383
13384         direction |= dir;
13385       }
13386     }
13387
13388     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13389
13390     if (last_element_new != EL_UNDEFINED)
13391       MergeAndCloseNeighbourElements(x, y, &new_element,
13392                                      last_x, last_y, &last_element_new,
13393                                      getClosedTube, change_level);
13394   }
13395   else if (IS_BELT(new_element))
13396   {
13397     int belt_nr = getBeltNrFromBeltElement(new_element);
13398     int last_element_new = EL_UNDEFINED;
13399     int direction = MV_NONE;
13400     int i;
13401
13402     // if old element is of same kind, keep all existing directions
13403     if (IS_BELT(old_element))
13404       direction |= getOpenDirectionFromBelt(old_element);
13405
13406     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13407     {
13408       int xx = x + xy[i].x;
13409       int yy = y + xy[i].y;
13410
13411       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13412           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13413       {
13414         int dir = MV_DIR_FROM_BIT(i);
13415         int dir_opposite = MV_DIR_OPPOSITE(dir);
13416         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13417         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13418         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13419         int last_direction_new = last_direction_old | dir_opposite;
13420
13421         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13422                                                          last_direction_new);
13423         direction |= dir;
13424       }
13425     }
13426
13427     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13428                                                         new_element);
13429     if (last_element_new != EL_UNDEFINED)
13430       MergeAndCloseNeighbourElements(x, y, &new_element,
13431                                      last_x, last_y, &last_element_new,
13432                                      getClosedBelt, change_level);
13433   }
13434   else if (IS_ACID_POOL_OR_ACID(new_element))
13435   {
13436     int last_element_new = EL_UNDEFINED;
13437     int direction = MV_NONE;
13438     int i;
13439
13440     // if old element is of same kind, keep all existing directions
13441     if (IS_ACID_POOL_OR_ACID(old_element))
13442       direction |= getOpenDirectionFromPool(old_element);
13443
13444     for (i = 0; i < NUM_DIRECTIONS; i++)
13445     {
13446       int xx = x + xy[i].x;
13447       int yy = y + xy[i].y;
13448
13449       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13450           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13451       {
13452         int dir = MV_DIR_FROM_BIT(i);
13453         int dir_opposite = MV_DIR_OPPOSITE(dir);
13454         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13455         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13456         int last_direction_new = last_direction_old | dir_opposite;
13457
13458         last_element_new = getPoolFromOpenDirection(last_direction_new);
13459
13460         direction |= dir;
13461       }
13462     }
13463
13464     // special corrections needed for intuitively correct acid pool drawing
13465     if (last_element_new == EL_EMPTY)
13466       last_element_new = new_element;
13467     else if (last_element_new != EL_UNDEFINED)
13468       new_element = last_element_new;
13469
13470     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13471
13472     if (last_element_new != EL_UNDEFINED)
13473       MergeAndCloseNeighbourElements(x, y, &new_element,
13474                                      last_x, last_y, &last_element_new,
13475                                      getClosedPool, change_level);
13476   }
13477   else if (IS_EMC_PILLAR(new_element))
13478   {
13479     int last_element_new = EL_UNDEFINED;
13480     int direction = MV_NONE;
13481     int i;
13482
13483     // if old element is of same kind, keep all existing directions
13484     if (IS_EMC_PILLAR(old_element))
13485       direction |= getOpenDirectionFromPillar(old_element);
13486
13487     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13488     {
13489       int xx = x + xy[i].x;
13490       int yy = y + xy[i].y;
13491
13492       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13493           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13494       {
13495         int dir = MV_DIR_FROM_BIT(i);
13496         int dir_opposite = MV_DIR_OPPOSITE(dir);
13497         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13498         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13499         int last_direction_new = last_direction_old | dir_opposite;
13500
13501         last_element_new = getPillarFromOpenDirection(last_direction_new);
13502
13503         direction |= dir;
13504       }
13505     }
13506
13507     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13508
13509     if (last_element_new != EL_UNDEFINED)
13510       MergeAndCloseNeighbourElements(x, y, &new_element,
13511                                      last_x, last_y, &last_element_new,
13512                                      getClosedPillar, change_level);
13513   }
13514   else if (IS_DC_STEELWALL_2(new_element))
13515   {
13516     int last_element_new = EL_UNDEFINED;
13517     int direction = MV_NONE;
13518     int i;
13519
13520     // if old element is of same kind, keep all existing directions
13521     if (IS_DC_STEELWALL_2(old_element))
13522       direction |= getOpenDirectionFromSteel2(old_element);
13523
13524     for (i = 0; i < NUM_DIRECTIONS; i++)
13525     {
13526       int xx = x + xy[i].x;
13527       int yy = y + xy[i].y;
13528
13529       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13530           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13531       {
13532         int dir = MV_DIR_FROM_BIT(i);
13533         int dir_opposite = MV_DIR_OPPOSITE(dir);
13534         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13535         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13536         int last_direction_new = last_direction_old | dir_opposite;
13537
13538         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13539
13540         direction |= dir;
13541       }
13542     }
13543
13544     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13545
13546     if (last_element_new != EL_UNDEFINED)
13547       MergeAndCloseNeighbourElements(x, y, &new_element,
13548                                      last_x, last_y, &last_element_new,
13549                                      getClosedSteel2, change_level);
13550   }
13551   else if (IS_SP_CHIP(new_element))
13552   {
13553     int last_element_new = EL_UNDEFINED;
13554     int direction = MV_NONE;
13555     int i;
13556
13557     // (do not keep existing directions, regardless of kind of old element)
13558
13559     for (i = 0; i < NUM_DIRECTIONS; i++)
13560     {
13561       int xx = x + xy[i].x;
13562       int yy = y + xy[i].y;
13563
13564       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13565           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13566       {
13567         int dir = MV_DIR_FROM_BIT(i);
13568         int dir_opposite = MV_DIR_OPPOSITE(dir);
13569         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13570         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13571         int last_direction_new = last_direction_old | dir_opposite;
13572
13573         if (last_direction_old == MV_NONE)
13574         {
13575           last_element_new = getChipFromOpenDirection(last_direction_new);
13576           direction |= dir;
13577         }
13578         else if (last_direction_old & (dir | dir_opposite))
13579         {
13580           direction |= MV_DIR_OPPOSITE(last_direction_old);
13581         }
13582         else
13583         {
13584           direction |= MV_DIR_OPPOSITE(dir);
13585         }
13586       }
13587     }
13588
13589     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13590
13591     if (last_element_new != EL_UNDEFINED)
13592       MergeAndCloseNeighbourElements(x, y, &new_element,
13593                                      last_x, last_y, &last_element_new,
13594                                      getClosedChip, change_level);
13595   }
13596   else if (IS_SP_HARDWARE_BASE(new_element))
13597   {
13598     int nr = GetSimpleRandom(6);
13599
13600     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13601                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13602                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13603                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13604                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13605   }
13606   else if (new_element == EL_SP_HARDWARE_GREEN ||
13607            new_element == EL_SP_HARDWARE_BLUE ||
13608            new_element == EL_SP_HARDWARE_RED)
13609   {
13610     int nr = GetSimpleRandom(3);
13611
13612     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13613                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13614   }
13615   else if (IS_GROUP_ELEMENT(new_element))
13616   {
13617     boolean connected_drawing = FALSE;
13618     int i;
13619
13620     for (i = 0; i < NUM_DIRECTIONS; i++)
13621     {
13622       int xx = x + xy[i].x;
13623       int yy = y + xy[i].y;
13624
13625       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13626           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13627         connected_drawing = TRUE;
13628     }
13629
13630     if (!connected_drawing)
13631       ResolveGroupElement(new_element);
13632
13633     new_element = GetElementFromGroupElement(new_element);
13634   }
13635   else if (IS_BELT_SWITCH(old_element))
13636   {
13637     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13638     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13639
13640     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13641                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13642
13643     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13644   }
13645   else
13646   {
13647     static int swappable_elements[][2] =
13648     {
13649       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13650       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13651       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13652       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13653       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13654       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13655       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13656       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13657       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13658       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13659       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13660       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13661       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13662       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13663       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13664       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13665       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13666       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13667       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13668       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13669       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13670       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13671       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13672       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13673       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13674       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13675       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13676       { EL_PEARL,                       EL_WALL_PEARL                   },
13677       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13678       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13679       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13680       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13681       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13682       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13683       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13684       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13685       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13686       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13687       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13688       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13689       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13690       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13691       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13692       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13693
13694       { -1,                             -1                              },
13695     };
13696     static int rotatable_elements_4[][4] =
13697     {
13698       {
13699         EL_BUG_UP,
13700         EL_BUG_RIGHT,
13701         EL_BUG_DOWN,
13702         EL_BUG_LEFT
13703       },
13704       {
13705         EL_SPACESHIP_UP,
13706         EL_SPACESHIP_RIGHT,
13707         EL_SPACESHIP_DOWN,
13708         EL_SPACESHIP_LEFT
13709       },
13710       {
13711         EL_BD_BUTTERFLY_UP,
13712         EL_BD_BUTTERFLY_RIGHT,
13713         EL_BD_BUTTERFLY_DOWN,
13714         EL_BD_BUTTERFLY_LEFT
13715       },
13716       {
13717         EL_BD_FIREFLY_UP,
13718         EL_BD_FIREFLY_RIGHT,
13719         EL_BD_FIREFLY_DOWN,
13720         EL_BD_FIREFLY_LEFT
13721       },
13722       {
13723         EL_PACMAN_UP,
13724         EL_PACMAN_RIGHT,
13725         EL_PACMAN_DOWN,
13726         EL_PACMAN_LEFT
13727       },
13728       {
13729         EL_YAMYAM_UP,
13730         EL_YAMYAM_RIGHT,
13731         EL_YAMYAM_DOWN,
13732         EL_YAMYAM_LEFT
13733       },
13734       {
13735         EL_ARROW_UP,
13736         EL_ARROW_RIGHT,
13737         EL_ARROW_DOWN,
13738         EL_ARROW_LEFT
13739       },
13740       {
13741         EL_SP_PORT_UP,
13742         EL_SP_PORT_RIGHT,
13743         EL_SP_PORT_DOWN,
13744         EL_SP_PORT_LEFT
13745       },
13746       {
13747         EL_SP_GRAVITY_PORT_UP,
13748         EL_SP_GRAVITY_PORT_RIGHT,
13749         EL_SP_GRAVITY_PORT_DOWN,
13750         EL_SP_GRAVITY_PORT_LEFT
13751       },
13752       {
13753         EL_SP_GRAVITY_ON_PORT_UP,
13754         EL_SP_GRAVITY_ON_PORT_RIGHT,
13755         EL_SP_GRAVITY_ON_PORT_DOWN,
13756         EL_SP_GRAVITY_ON_PORT_LEFT
13757       },
13758       {
13759         EL_SP_GRAVITY_OFF_PORT_UP,
13760         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13761         EL_SP_GRAVITY_OFF_PORT_DOWN,
13762         EL_SP_GRAVITY_OFF_PORT_LEFT
13763       },
13764       {
13765         EL_MOLE_UP,
13766         EL_MOLE_RIGHT,
13767         EL_MOLE_DOWN,
13768         EL_MOLE_LEFT
13769       },
13770       {
13771         EL_BALLOON_SWITCH_UP,
13772         EL_BALLOON_SWITCH_RIGHT,
13773         EL_BALLOON_SWITCH_DOWN,
13774         EL_BALLOON_SWITCH_LEFT
13775       },
13776       {
13777         EL_MM_MCDUFFIN_UP,
13778         EL_MM_MCDUFFIN_RIGHT,
13779         EL_MM_MCDUFFIN_DOWN,
13780         EL_MM_MCDUFFIN_LEFT
13781       },
13782       {
13783         EL_MM_MIRROR_FIXED_1,
13784         EL_MM_MIRROR_FIXED_4,
13785         EL_MM_MIRROR_FIXED_3,
13786         EL_MM_MIRROR_FIXED_2
13787       },
13788       {
13789         EL_MM_STEEL_GRID_FIXED_1,
13790         EL_MM_STEEL_GRID_FIXED_4,
13791         EL_MM_STEEL_GRID_FIXED_2,
13792         EL_MM_STEEL_GRID_FIXED_3
13793       },
13794       {
13795         EL_MM_WOODEN_GRID_FIXED_1,
13796         EL_MM_WOODEN_GRID_FIXED_4,
13797         EL_MM_WOODEN_GRID_FIXED_2,
13798         EL_MM_WOODEN_GRID_FIXED_3
13799       },
13800       {
13801         EL_MM_POLARIZER_CROSS_1,
13802         EL_MM_POLARIZER_CROSS_4,
13803         EL_MM_POLARIZER_CROSS_3,
13804         EL_MM_POLARIZER_CROSS_2
13805       },
13806       {
13807         EL_MM_PACMAN_UP,
13808         EL_MM_PACMAN_RIGHT,
13809         EL_MM_PACMAN_DOWN,
13810         EL_MM_PACMAN_LEFT
13811       },
13812       {
13813         EL_DF_LASER_UP,
13814         EL_DF_LASER_RIGHT,
13815         EL_DF_LASER_DOWN,
13816         EL_DF_LASER_LEFT
13817       },
13818       {
13819         EL_DF_RECEIVER_UP,
13820         EL_DF_RECEIVER_RIGHT,
13821         EL_DF_RECEIVER_DOWN,
13822         EL_DF_RECEIVER_LEFT
13823       },
13824       {
13825         EL_DF_SLOPE_1,
13826         EL_DF_SLOPE_4,
13827         EL_DF_SLOPE_3,
13828         EL_DF_SLOPE_2
13829       },
13830
13831       {
13832         -1,
13833       },
13834     };
13835     static int rotatable_elements_8[][8] =
13836     {
13837       {
13838         EL_DF_STEEL_GRID_FIXED_1,
13839         EL_DF_STEEL_GRID_FIXED_8,
13840         EL_DF_STEEL_GRID_FIXED_7,
13841         EL_DF_STEEL_GRID_FIXED_6,
13842         EL_DF_STEEL_GRID_FIXED_5,
13843         EL_DF_STEEL_GRID_FIXED_4,
13844         EL_DF_STEEL_GRID_FIXED_3,
13845         EL_DF_STEEL_GRID_FIXED_2
13846       },
13847       {
13848         EL_DF_WOODEN_GRID_FIXED_1,
13849         EL_DF_WOODEN_GRID_FIXED_8,
13850         EL_DF_WOODEN_GRID_FIXED_7,
13851         EL_DF_WOODEN_GRID_FIXED_6,
13852         EL_DF_WOODEN_GRID_FIXED_5,
13853         EL_DF_WOODEN_GRID_FIXED_4,
13854         EL_DF_WOODEN_GRID_FIXED_3,
13855         EL_DF_WOODEN_GRID_FIXED_2
13856       },
13857       {
13858         EL_DF_STEEL_GRID_ROTATING_1,
13859         EL_DF_STEEL_GRID_ROTATING_8,
13860         EL_DF_STEEL_GRID_ROTATING_7,
13861         EL_DF_STEEL_GRID_ROTATING_6,
13862         EL_DF_STEEL_GRID_ROTATING_5,
13863         EL_DF_STEEL_GRID_ROTATING_4,
13864         EL_DF_STEEL_GRID_ROTATING_3,
13865         EL_DF_STEEL_GRID_ROTATING_2
13866       },
13867       {
13868         EL_DF_WOODEN_GRID_ROTATING_1,
13869         EL_DF_WOODEN_GRID_ROTATING_8,
13870         EL_DF_WOODEN_GRID_ROTATING_7,
13871         EL_DF_WOODEN_GRID_ROTATING_6,
13872         EL_DF_WOODEN_GRID_ROTATING_5,
13873         EL_DF_WOODEN_GRID_ROTATING_4,
13874         EL_DF_WOODEN_GRID_ROTATING_3,
13875         EL_DF_WOODEN_GRID_ROTATING_2
13876       },
13877
13878       {
13879         -1,
13880       },
13881     };
13882     static int rotatable_elements_16[][16] =
13883     {
13884       {
13885         EL_MM_MIRROR_1,
13886         EL_MM_MIRROR_16,
13887         EL_MM_MIRROR_15,
13888         EL_MM_MIRROR_14,
13889         EL_MM_MIRROR_13,
13890         EL_MM_MIRROR_12,
13891         EL_MM_MIRROR_11,
13892         EL_MM_MIRROR_10,
13893         EL_MM_MIRROR_9,
13894         EL_MM_MIRROR_8,
13895         EL_MM_MIRROR_7,
13896         EL_MM_MIRROR_6,
13897         EL_MM_MIRROR_5,
13898         EL_MM_MIRROR_4,
13899         EL_MM_MIRROR_3,
13900         EL_MM_MIRROR_2
13901       },
13902       {
13903         EL_MM_TELEPORTER_5,
13904         EL_MM_TELEPORTER_4,
13905         EL_MM_TELEPORTER_3,
13906         EL_MM_TELEPORTER_2,
13907         EL_MM_TELEPORTER_1,
13908         EL_MM_TELEPORTER_16,
13909         EL_MM_TELEPORTER_15,
13910         EL_MM_TELEPORTER_14,
13911         EL_MM_TELEPORTER_13,
13912         EL_MM_TELEPORTER_12,
13913         EL_MM_TELEPORTER_11,
13914         EL_MM_TELEPORTER_10,
13915         EL_MM_TELEPORTER_9,
13916         EL_MM_TELEPORTER_8,
13917         EL_MM_TELEPORTER_7,
13918         EL_MM_TELEPORTER_6
13919       },
13920       {
13921         EL_MM_TELEPORTER_RED_5,
13922         EL_MM_TELEPORTER_RED_4,
13923         EL_MM_TELEPORTER_RED_3,
13924         EL_MM_TELEPORTER_RED_2,
13925         EL_MM_TELEPORTER_RED_1,
13926         EL_MM_TELEPORTER_RED_16,
13927         EL_MM_TELEPORTER_RED_15,
13928         EL_MM_TELEPORTER_RED_14,
13929         EL_MM_TELEPORTER_RED_13,
13930         EL_MM_TELEPORTER_RED_12,
13931         EL_MM_TELEPORTER_RED_11,
13932         EL_MM_TELEPORTER_RED_10,
13933         EL_MM_TELEPORTER_RED_9,
13934         EL_MM_TELEPORTER_RED_8,
13935         EL_MM_TELEPORTER_RED_7,
13936         EL_MM_TELEPORTER_RED_6
13937       },
13938       {
13939         EL_MM_TELEPORTER_YELLOW_5,
13940         EL_MM_TELEPORTER_YELLOW_4,
13941         EL_MM_TELEPORTER_YELLOW_3,
13942         EL_MM_TELEPORTER_YELLOW_2,
13943         EL_MM_TELEPORTER_YELLOW_1,
13944         EL_MM_TELEPORTER_YELLOW_16,
13945         EL_MM_TELEPORTER_YELLOW_15,
13946         EL_MM_TELEPORTER_YELLOW_14,
13947         EL_MM_TELEPORTER_YELLOW_13,
13948         EL_MM_TELEPORTER_YELLOW_12,
13949         EL_MM_TELEPORTER_YELLOW_11,
13950         EL_MM_TELEPORTER_YELLOW_10,
13951         EL_MM_TELEPORTER_YELLOW_9,
13952         EL_MM_TELEPORTER_YELLOW_8,
13953         EL_MM_TELEPORTER_YELLOW_7,
13954         EL_MM_TELEPORTER_YELLOW_6
13955       },
13956       {
13957         EL_MM_TELEPORTER_GREEN_5,
13958         EL_MM_TELEPORTER_GREEN_4,
13959         EL_MM_TELEPORTER_GREEN_3,
13960         EL_MM_TELEPORTER_GREEN_2,
13961         EL_MM_TELEPORTER_GREEN_1,
13962         EL_MM_TELEPORTER_GREEN_16,
13963         EL_MM_TELEPORTER_GREEN_15,
13964         EL_MM_TELEPORTER_GREEN_14,
13965         EL_MM_TELEPORTER_GREEN_13,
13966         EL_MM_TELEPORTER_GREEN_12,
13967         EL_MM_TELEPORTER_GREEN_11,
13968         EL_MM_TELEPORTER_GREEN_10,
13969         EL_MM_TELEPORTER_GREEN_9,
13970         EL_MM_TELEPORTER_GREEN_8,
13971         EL_MM_TELEPORTER_GREEN_7,
13972         EL_MM_TELEPORTER_GREEN_6
13973       },
13974       {
13975         EL_MM_TELEPORTER_BLUE_5,
13976         EL_MM_TELEPORTER_BLUE_4,
13977         EL_MM_TELEPORTER_BLUE_3,
13978         EL_MM_TELEPORTER_BLUE_2,
13979         EL_MM_TELEPORTER_BLUE_1,
13980         EL_MM_TELEPORTER_BLUE_16,
13981         EL_MM_TELEPORTER_BLUE_15,
13982         EL_MM_TELEPORTER_BLUE_14,
13983         EL_MM_TELEPORTER_BLUE_13,
13984         EL_MM_TELEPORTER_BLUE_12,
13985         EL_MM_TELEPORTER_BLUE_11,
13986         EL_MM_TELEPORTER_BLUE_10,
13987         EL_MM_TELEPORTER_BLUE_9,
13988         EL_MM_TELEPORTER_BLUE_8,
13989         EL_MM_TELEPORTER_BLUE_7,
13990         EL_MM_TELEPORTER_BLUE_6
13991       },
13992       {
13993         EL_MM_POLARIZER_1,
13994         EL_MM_POLARIZER_16,
13995         EL_MM_POLARIZER_15,
13996         EL_MM_POLARIZER_14,
13997         EL_MM_POLARIZER_13,
13998         EL_MM_POLARIZER_12,
13999         EL_MM_POLARIZER_11,
14000         EL_MM_POLARIZER_10,
14001         EL_MM_POLARIZER_9,
14002         EL_MM_POLARIZER_8,
14003         EL_MM_POLARIZER_7,
14004         EL_MM_POLARIZER_6,
14005         EL_MM_POLARIZER_5,
14006         EL_MM_POLARIZER_4,
14007         EL_MM_POLARIZER_3,
14008         EL_MM_POLARIZER_2
14009       },
14010       {
14011         EL_DF_MIRROR_1,
14012         EL_DF_MIRROR_16,
14013         EL_DF_MIRROR_15,
14014         EL_DF_MIRROR_14,
14015         EL_DF_MIRROR_13,
14016         EL_DF_MIRROR_12,
14017         EL_DF_MIRROR_11,
14018         EL_DF_MIRROR_10,
14019         EL_DF_MIRROR_9,
14020         EL_DF_MIRROR_8,
14021         EL_DF_MIRROR_7,
14022         EL_DF_MIRROR_6,
14023         EL_DF_MIRROR_5,
14024         EL_DF_MIRROR_4,
14025         EL_DF_MIRROR_3,
14026         EL_DF_MIRROR_2
14027       },
14028       {
14029         EL_DF_MIRROR_ROTATING_1,
14030         EL_DF_MIRROR_ROTATING_16,
14031         EL_DF_MIRROR_ROTATING_15,
14032         EL_DF_MIRROR_ROTATING_14,
14033         EL_DF_MIRROR_ROTATING_13,
14034         EL_DF_MIRROR_ROTATING_12,
14035         EL_DF_MIRROR_ROTATING_11,
14036         EL_DF_MIRROR_ROTATING_10,
14037         EL_DF_MIRROR_ROTATING_9,
14038         EL_DF_MIRROR_ROTATING_8,
14039         EL_DF_MIRROR_ROTATING_7,
14040         EL_DF_MIRROR_ROTATING_6,
14041         EL_DF_MIRROR_ROTATING_5,
14042         EL_DF_MIRROR_ROTATING_4,
14043         EL_DF_MIRROR_ROTATING_3,
14044         EL_DF_MIRROR_ROTATING_2
14045       },
14046       {
14047         EL_DF_MIRROR_FIXED_1,
14048         EL_DF_MIRROR_FIXED_16,
14049         EL_DF_MIRROR_FIXED_15,
14050         EL_DF_MIRROR_FIXED_14,
14051         EL_DF_MIRROR_FIXED_13,
14052         EL_DF_MIRROR_FIXED_12,
14053         EL_DF_MIRROR_FIXED_11,
14054         EL_DF_MIRROR_FIXED_10,
14055         EL_DF_MIRROR_FIXED_9,
14056         EL_DF_MIRROR_FIXED_8,
14057         EL_DF_MIRROR_FIXED_7,
14058         EL_DF_MIRROR_FIXED_6,
14059         EL_DF_MIRROR_FIXED_5,
14060         EL_DF_MIRROR_FIXED_4,
14061         EL_DF_MIRROR_FIXED_3,
14062         EL_DF_MIRROR_FIXED_2
14063       },
14064
14065       {
14066         -1,
14067       },
14068     };
14069     int i, j;
14070
14071     for (i = 0; swappable_elements[i][0] != -1; i++)
14072     {
14073       int element1 = swappable_elements[i][0];
14074       int element2 = swappable_elements[i][1];
14075
14076       if (old_element == element1 || old_element == element2)
14077         new_element = (old_element == element1 ? element2 : element1);
14078     }
14079
14080     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
14081     {
14082       for (j = 0; j < 4; j++)
14083       {
14084         int element = rotatable_elements_4[i][j];
14085
14086         if (old_element == element)
14087           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
14088                          button == 2 ? rotatable_elements_4[i][0]           :
14089                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
14090                          old_element);
14091       }
14092     }
14093
14094     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
14095     {
14096       for (j = 0; j < 8; j++)
14097       {
14098         int element = rotatable_elements_8[i][j];
14099
14100         if (old_element == element)
14101           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
14102                          button == 2 ? rotatable_elements_8[i][0]           :
14103                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
14104                          old_element);
14105       }
14106     }
14107
14108     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
14109     {
14110       for (j = 0; j < 16; j++)
14111       {
14112         int element = rotatable_elements_16[i][j];
14113
14114         if (old_element == element)
14115           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
14116                          button == 2 ? rotatable_elements_16[i][0]             :
14117                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
14118                          old_element);
14119       }
14120     }
14121
14122     if (old_element != new_element)
14123     {
14124       int max_infotext_len = getMaxInfoTextLength();
14125       char infotext[MAX_OUTPUT_LINESIZE + 1];
14126
14127       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
14128       infotext[max_infotext_len] = '\0';
14129
14130       ClearEditorGadgetInfoText();
14131
14132       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
14133                 infotext);
14134     }
14135   }
14136
14137   if (IS_MM_WALL_EDITOR(new_element))
14138     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
14139   else
14140     SetElementSimple(x, y, new_element, change_level);
14141
14142   last_x = x;
14143   last_y = y;
14144 }
14145
14146 static void ResetIntelliDraw(void)
14147 {
14148   int x, y;
14149
14150   for (x = 0; x < lev_fieldx; x++)
14151     for (y = 0; y < lev_fieldy; y++)
14152       IntelliDrawBuffer[x][y] = Tile[x][y];
14153
14154   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
14155 }
14156
14157 static boolean draw_mode_hires = FALSE;
14158
14159 static boolean isHiresTileElement(int element)
14160 {
14161   return (IS_MM_WALL(element)        || element == EL_EMPTY);
14162 }
14163
14164 static boolean isHiresDrawElement(int element)
14165 {
14166   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
14167 }
14168
14169 static int numHiresTiles(int element)
14170 {
14171   if (IS_MM_WALL(element))
14172     return get_number_of_bits(MM_WALL_BITS(element));
14173
14174   return 1;
14175 }
14176
14177 static void SetDrawModeHiRes(int element)
14178 {
14179   draw_mode_hires =
14180     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14181      isHiresDrawElement(element));
14182 }
14183
14184 static boolean getDrawModeHiRes(void)
14185 {
14186   return draw_mode_hires;
14187 }
14188
14189 static int getLoResScreenPos(int pos)
14190 {
14191   return (getDrawModeHiRes() ? pos / 2 : pos);
14192 }
14193
14194 static int getLoResScreenMod(int pos)
14195 {
14196   return (getDrawModeHiRes() ? pos % 2 : 0);
14197 }
14198
14199 static void SetElementExt(int x, int y, int dx, int dy, int element,
14200                           boolean change_level, int button)
14201 {
14202   if (element < 0)
14203     SetElementSimple(x, y, Tile[x][y], change_level);
14204   else if (GetKeyModState() & KMOD_Shift)
14205     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
14206   else
14207     SetElementSimpleExt(x, y, dx, dy, element, change_level);
14208 }
14209
14210 static void SetElement(int x, int y, int element)
14211 {
14212   SetElementExt(x, y, 0, 0, element, TRUE, -1);
14213 }
14214
14215 static void SetElementButton(int x, int y, int dx, int dy, int element,
14216                              int button)
14217 {
14218   SetElementExt(x, y, dx, dy, element, TRUE, button);
14219 }
14220
14221 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
14222 {
14223   int lx = getLoResScreenPos(sx2) + level_xpos;
14224   int ly = getLoResScreenPos(sy2) + level_ypos;
14225   int dx = getLoResScreenMod(sx2);
14226   int dy = getLoResScreenMod(sy2);
14227
14228   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
14229 }
14230
14231 static void SetLevelElementHiRes(int lx2, int ly2, int element)
14232 {
14233   int lx = lx2 / 2;
14234   int ly = ly2 / 2;
14235   int dx = lx2 % 2;
14236   int dy = ly2 % 2;
14237
14238   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
14239 }
14240
14241 static int getLevelElementHiRes(int lx2, int ly2)
14242 {
14243   int lx = lx2 / 2;
14244   int ly = ly2 / 2;
14245   int dx = lx2 % 2;
14246   int dy = ly2 % 2;
14247   int element = Tile[lx][ly];
14248   unsigned int bitmask = (dx + 1) << (dy * 2);
14249
14250   if (IS_MM_WALL(element))
14251   {
14252     if (element & bitmask)
14253       return map_mm_wall_element(element);
14254     else
14255       return EL_EMPTY;
14256   }
14257
14258   return element;
14259 }
14260
14261 static void DrawLineElement(int x, int y, int element, boolean change_level)
14262 {
14263   SetElementHiRes(x, y, element, change_level);
14264 }
14265
14266 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
14267                      int element, boolean change_level)
14268 {
14269   int xsize = ABS(to_x - from_x);
14270   int ysize = ABS(to_y - from_y);
14271   int dx = (to_x < from_x ? -1 : +1);
14272   int dy = (to_y < from_y ? -1 : +1);
14273   int i;
14274
14275   if (from_y == to_y)                   // horizontal line
14276   {
14277     for (i = 0; i <= xsize; i++)
14278       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14279   }
14280   else if (from_x == to_x)              // vertical line
14281   {
14282     for (i = 0; i <= ysize; i++)
14283       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14284   }
14285   else                                  // diagonal line
14286   {
14287     if (ysize < xsize)                  // a < 1
14288     {
14289       float a = (float)ysize / (float)xsize;
14290
14291       for (i = 0; i <= xsize; i++)
14292       {
14293         int x = dx * i;
14294         int y = dy * (int)(a * i + 0.5);
14295
14296         DrawLineElement(from_x + x, from_y + y, element, change_level);
14297       }
14298     }
14299     else                                // a >= 1
14300     {
14301       float a = (float)xsize / (float)ysize;
14302
14303       for (i = 0; i <= ysize; i++)
14304       {
14305         int x = dx * (int)(a * i + 0.5);
14306         int y = dy * i;
14307
14308         DrawLineElement(from_x + x, from_y + y, element, change_level);
14309       }
14310     }
14311   }
14312 }
14313
14314 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14315                     int element, boolean change_level)
14316 {
14317   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14318   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14319   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14320   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14321 }
14322
14323 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14324                           int element, boolean change_level)
14325 {
14326   int y;
14327
14328   if (from_y > to_y)
14329     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14330
14331   for (y = from_y; y <= to_y; y++)
14332     DrawLine(from_x, y, to_x, y, element, change_level);
14333 }
14334
14335 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14336                        int element, boolean change_level)
14337 {
14338   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14339   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14340   int len_x = ABS(to_x - from_x);
14341   int len_y = ABS(to_y - from_y);
14342   int radius, x, y;
14343
14344   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14345
14346   // not optimal (some points get drawn twice) but simple,
14347   // and fast enough for the few points we are drawing
14348
14349   for (x = 0; x <= radius; x++)
14350   {
14351     int sx, sy, sx2, sy2, lx, ly;
14352
14353     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14354
14355     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14356     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14357     sx = getLoResScreenPos(sx2);
14358     sy = getLoResScreenPos(sy2);
14359     lx = sx + level_xpos;
14360     ly = sy + level_ypos;
14361
14362     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14363       DrawLineElement(sx2, sy2, element, change_level);
14364   }
14365
14366   for (y = 0; y <= radius; y++)
14367   {
14368     int sx, sy, sx2, sy2, lx, ly;
14369
14370     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14371
14372     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14373     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14374     sx = getLoResScreenPos(sx2);
14375     sy = getLoResScreenPos(sy2);
14376     lx = sx + level_xpos;
14377     ly = sy + level_ypos;
14378
14379     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14380       DrawLineElement(sx2, sy2, element, change_level);
14381   }
14382 }
14383
14384 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14385                     int element, boolean change_level)
14386 {
14387   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14388   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14389
14390   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14391 }
14392
14393 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14394
14395 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14396 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14397                        int element, boolean change_level)
14398 {
14399   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14400   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14401   int mirror_to_x2 = from_x - (to_x2 - from_x);
14402   int mirror_to_y2 = from_y - (to_y2 - from_y);
14403
14404   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14405   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14406   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14407   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14408 }
14409 #endif
14410
14411 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14412 {
14413   int from_sx, from_sy;
14414   int to_sx, to_sy;
14415
14416   if (from_x > to_x)
14417     swap_numbers(&from_x, &to_x);
14418
14419   if (from_y > to_y)
14420     swap_numbers(&from_y, &to_y);
14421
14422   from_sx = SX + from_x * ed_tilesize;
14423   from_sy = SY + from_y * ed_tilesize;
14424   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14425   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14426
14427   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14428   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14429   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14430   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14431
14432   if (from_x == to_x && from_y == to_y)
14433     MarkTileDirty(from_x/2, from_y/2);
14434   else
14435     redraw_mask |= REDRAW_FIELD;
14436 }
14437
14438 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14439                         int element, boolean change_level)
14440 {
14441   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14442 }
14443
14444 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14445                        int element, boolean change_level)
14446 {
14447   if (element == -1 || change_level)
14448     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14449   else
14450     DrawAreaBorder(from_x, from_y, to_x, to_y);
14451 }
14452
14453 // values for CopyBrushExt()
14454 #define CB_AREA_TO_BRUSH                0
14455 #define CB_BRUSH_TO_CURSOR              1
14456 #define CB_BRUSH_TO_LEVEL               2
14457 #define CB_DELETE_OLD_CURSOR            3
14458 #define CB_DUMP_BRUSH                   4
14459 #define CB_DUMP_BRUSH_SMALL             5
14460 #define CB_CLIPBOARD_TO_BRUSH           6
14461 #define CB_BRUSH_TO_CLIPBOARD           7
14462 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14463 #define CB_UPDATE_BRUSH_POSITION        9
14464 #define CB_FLIP_BRUSH_X                 10
14465 #define CB_FLIP_BRUSH_Y                 11
14466 #define CB_FLIP_BRUSH_XY                12
14467
14468 #define MAX_CB_PART_SIZE        10
14469 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14470 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14471 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14472                                  MAX_CB_NUM_LINES *     \
14473                                  MAX_CB_PART_SIZE)
14474
14475 static int getFlippedTileExt(int map[], int element)
14476 {
14477   int i;
14478
14479   for (i = 0; map[i] != -1; i++)
14480     if (map[i] == element)
14481       return map[i ^ 1];        // get flipped element by flipping LSB of index
14482
14483   return element;
14484 }
14485
14486 static int getFlippedTileX(int element)
14487 {
14488   int map[] =
14489   {
14490     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14491     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14492     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14493     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14494     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14495     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14496     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14497     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14498     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14499     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14500     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14501     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14502     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14503     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14504     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14505     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14506     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14507     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14508     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14509     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14510     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14511     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14512     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14513     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14514     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14515     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14516     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14517     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14518     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14519     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14520
14521     -1
14522   };
14523
14524   return getFlippedTileExt(map, element);
14525 }
14526
14527 static int getFlippedTileY(int element)
14528 {
14529   int map[] =
14530   {
14531     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14532     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14533     EL_BUG_UP,                          EL_BUG_DOWN,
14534     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14535     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14536     EL_ARROW_UP,                        EL_ARROW_DOWN,
14537     EL_MOLE_UP,                         EL_MOLE_DOWN,
14538     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14539     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14540     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14541     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14542     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14543     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14544     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14545     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14546     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14547     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14548     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14549     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14550     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14551     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14552     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14553     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14554     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14555
14556     -1
14557   };
14558
14559   return getFlippedTileExt(map, element);
14560 }
14561
14562 static int getFlippedTileXY(int element)
14563 {
14564   int map[] =
14565   {
14566     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14567     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14568     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14569     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14570     EL_BUG_LEFT,                        EL_BUG_UP,
14571     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14572     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14573     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14574     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14575     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14576     EL_ARROW_LEFT,                      EL_ARROW_UP,
14577     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14578     EL_MOLE_LEFT,                       EL_MOLE_UP,
14579     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14580     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14581     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14582     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14583     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14584     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14585     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14586     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14587     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14588     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14589     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14590     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14591     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14592     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14593     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14594     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14595     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14596     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14597     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14598     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14599     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14600     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14601     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14602     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14603     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14604     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14605     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14606     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14607     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14608
14609     -1
14610   };
14611
14612   return getFlippedTileExt(map, element);
14613 }
14614
14615 static int getFlippedTile(int element, int mode)
14616 {
14617   if (IS_MM_ELEMENT(element))
14618   {
14619     // get MM game element
14620     element = map_element_RND_to_MM(element);
14621
14622     // get flipped game element
14623     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14624                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14625                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14626                element);
14627
14628     // get RND game element again
14629     element = map_element_MM_to_RND(element);
14630   }
14631   else
14632   {
14633     // get flipped game element
14634     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14635                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14636                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14637                element);
14638   }
14639
14640   return element;
14641 }
14642
14643 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14644 {
14645   // flip tiles
14646   short tile1_flipped = getFlippedTile(*tile1, mode);
14647   short tile2_flipped = getFlippedTile(*tile2, mode);
14648
14649   // swap tiles
14650   *tile1 = tile2_flipped;
14651   *tile2 = tile1_flipped;
14652 }
14653
14654 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14655 {
14656   DrawLineElement(sx, sy, element, change_level);
14657 }
14658
14659 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14660                          int button, int mode)
14661 {
14662   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14663   static int brush_width, brush_height;
14664   static int last_cursor_x = -1, last_cursor_y = -1;
14665   static boolean delete_old_brush = FALSE;
14666   int new_element = BUTTON_ELEMENT(button);
14667   int x, y;
14668
14669   if (mode == CB_DUMP_BRUSH ||
14670       mode == CB_DUMP_BRUSH_SMALL ||
14671       mode == CB_BRUSH_TO_CLIPBOARD ||
14672       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14673   {
14674     if (edit_mode != ED_MODE_DRAWING)
14675       return;
14676
14677     char part[MAX_CB_PART_SIZE + 1] = "";
14678     char text[MAX_CB_TEXT_SIZE + 1] = "";
14679     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14680     int height = (draw_with_brush ? brush_height : lev_fieldy);
14681     char *format = "%s%03d";
14682
14683     for (y = 0; y < height; y++)
14684       for (x = 0; x < width; x++)
14685         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14686           format = "%s%04d";
14687
14688     for (y = 0; y < height; y++)
14689     {
14690       for (x = 0; x < width; x++)
14691       {
14692         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14693         char *prefix = (mode == CB_DUMP_BRUSH ||
14694                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14695
14696         if (element >= NUM_FILE_ELEMENTS)
14697           element = EL_UNKNOWN;
14698
14699         // copy brush to level sketch text buffer for the R'n'D forum:
14700         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14701         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14702         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14703         strcat(text, part);
14704       }
14705
14706       strcat(text, "\n");
14707     }
14708
14709     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14710         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14711       SDL_SetClipboardText(text);
14712     else
14713       Print("%s", text);        // print brush data to console and log file
14714
14715     return;
14716   }
14717
14718   if (mode == CB_CLIPBOARD_TO_BRUSH)
14719   {
14720     if (edit_mode != ED_MODE_DRAWING)
14721       return;
14722
14723     if (!SDL_HasClipboardText())
14724     {
14725       Request("Clipboard is empty!", REQ_CONFIRM);
14726
14727       return;
14728     }
14729
14730     boolean copy_to_brush = (draw_with_brush ||
14731                              drawing_function == GADGET_ID_GRAB_BRUSH);
14732
14733     // this will delete the old brush, if already drawing with a brush
14734     if (copy_to_brush)
14735       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14736
14737     // initialization is required for "odd" (incomplete) clipboard content
14738     for (x = 0; x < MAX_LEV_FIELDX; x++)
14739       for (y = 0; y < MAX_LEV_FIELDY; y++)
14740         brush_buffer[x][y] = EL_EMPTY;
14741
14742     brush_width  = 0;
14743     brush_height = 0;
14744     x = 0;
14745     y = 0;
14746
14747     char *clipboard_text = SDL_GetClipboardText();
14748     char *ptr = clipboard_text;
14749     boolean allow_new_row = FALSE;
14750     boolean stop = FALSE;
14751
14752     while (*ptr && !stop)
14753     {
14754       boolean prefix_found = FALSE;
14755       boolean start_new_row = FALSE;
14756
14757       // level sketch element number prefixes (may be multi-byte characters)
14758       char *prefix_list[] = { "`", "¸" };
14759       int i;
14760
14761       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14762       {
14763         char *prefix = prefix_list[i];
14764
14765         // check if string is large enough for prefix
14766         if (strlen(ptr) < strlen(prefix))
14767         {
14768           stop = TRUE;
14769
14770           break;
14771         }
14772
14773         // check if string starts with prefix
14774         if (strPrefix(ptr, prefix))
14775         {
14776           ptr += strlen(prefix);
14777
14778           prefix_found = TRUE;
14779
14780           break;
14781         }
14782       }
14783
14784       // check if prefix found and followed by (at least) three digits
14785       if (prefix_found &&
14786           strlen(ptr) >= 3 &&
14787           ptr[0] >= '0' && ptr[0] <= '9' &&
14788           ptr[1] >= '0' && ptr[1] <= '9' &&
14789           ptr[2] >= '0' && ptr[2] <= '9')
14790       {
14791         int element = ((ptr[0] - '0') * 100 +
14792                        (ptr[1] - '0') * 10 +
14793                        (ptr[2] - '0'));
14794
14795         ptr += 3;
14796
14797         // level sketch element number might consist of four digits
14798         if (ptr[0] >= '0' && ptr[0] <= '9')
14799         {
14800           element = element * 10 + (ptr[0] - '0');
14801           ptr++;
14802         }
14803
14804         // remap some (historic, now obsolete) elements
14805         element = getMappedElement(element);
14806
14807         if (element >= NUM_FILE_ELEMENTS)
14808           element = EL_UNKNOWN;
14809
14810         brush_buffer[x][y] = element;
14811
14812         brush_width  = MAX(x + 1, brush_width);
14813         brush_height = MAX(y + 1, brush_height);
14814
14815         x++;
14816
14817         if (x >= MAX_LEV_FIELDX)
14818           start_new_row = TRUE;
14819
14820         allow_new_row = TRUE;
14821       }
14822       else
14823       {
14824         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14825           start_new_row = TRUE;
14826
14827         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14828       }
14829
14830       if (start_new_row)
14831       {
14832         x = 0;
14833         y++;
14834
14835         if (y >= MAX_LEV_FIELDY)
14836           stop = TRUE;
14837
14838         allow_new_row = FALSE;
14839       }
14840     }
14841
14842     SDL_free(clipboard_text);
14843
14844     if (brush_width == 0 || brush_height == 0)
14845     {
14846       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14847
14848       return;
14849     }
14850
14851     if (copy_to_brush)
14852     {
14853       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14854       int mx, my;
14855
14856       SDL_GetMouseState(&mx, &my);
14857
14858       // if inside drawing area, activate and draw brush at last mouse position
14859       if (mx >= gi->x && mx < gi->x + gi->width &&
14860           my >= gi->y && my < gi->y + gi->height)
14861         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14862
14863       draw_with_brush = TRUE;
14864     }
14865     else
14866     {
14867       char request[100];
14868
14869       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14870               brush_width, brush_height);
14871
14872       if (!Request(request, REQ_ASK))
14873         return;
14874
14875       for (x = 0; x < MAX_LEV_FIELDX; x++)
14876         for (y = 0; y < MAX_LEV_FIELDY; y++)
14877           Tile[x][y] = brush_buffer[x][y];
14878
14879       lev_fieldx = level.fieldx = brush_width;
14880       lev_fieldy = level.fieldy = brush_height;
14881
14882       boolean use_bd_engine = TRUE;
14883       boolean use_em_engine = TRUE;
14884       boolean use_sp_engine = TRUE;
14885       boolean use_mm_engine = TRUE;
14886
14887       for (x = 0; x < MAX_LEV_FIELDX; x++)
14888       {
14889         for (y = 0; y < MAX_LEV_FIELDY; y++)
14890         {
14891           int element = Tile[x][y];
14892
14893           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14894             use_bd_engine = FALSE;
14895
14896           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14897             use_em_engine = FALSE;
14898
14899           if (!IS_SP_ELEMENT(element))
14900             use_sp_engine = FALSE;
14901
14902           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14903             use_mm_engine = FALSE;
14904         }
14905       }
14906
14907       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14908                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14909                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14910                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14911                                 GAME_ENGINE_TYPE_RND);
14912
14913       // update element selection list
14914       ReinitializeElementList();
14915       ModifyEditorElementList();
14916
14917       SetBorderElement();
14918
14919       DrawEditModeWindow();
14920       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14921     }
14922
14923     return;
14924   }
14925
14926   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14927     return;
14928
14929   if (mode == CB_AREA_TO_BRUSH)
14930   {
14931     int from_lx, from_ly;
14932
14933     if (from_x > to_x)
14934       swap_numbers(&from_x, &to_x);
14935
14936     if (from_y > to_y)
14937       swap_numbers(&from_y, &to_y);
14938
14939     brush_width = to_x - from_x + 1;
14940     brush_height = to_y - from_y + 1;
14941
14942     from_lx = from_x + level_xpos;
14943     from_ly = from_y + level_ypos;
14944
14945     for (y = 0; y < brush_height; y++)
14946     {
14947       for (x = 0; x < brush_width; x++)
14948       {
14949         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14950
14951         if (button != 1)
14952           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14953       }
14954     }
14955
14956     if (button != 1)
14957       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14958
14959     delete_old_brush = FALSE;
14960   }
14961   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14962            mode == CB_BRUSH_TO_LEVEL)
14963   {
14964     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14965     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14966     int cursor_from_x = cursor_x - brush_width / 2;
14967     int cursor_from_y = cursor_y - brush_height / 2;
14968     int border_from_x = cursor_x, border_from_y = cursor_y;
14969     int border_to_x = cursor_x, border_to_y = cursor_y;
14970
14971     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14972       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14973
14974     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14975         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14976     {
14977       delete_old_brush = FALSE;
14978
14979       return;
14980     }
14981
14982     for (y = 0; y < brush_height; y++)
14983     {
14984       for (x = 0; x < brush_width; x++)
14985       {
14986         int sx = cursor_from_x + x;
14987         int sy = cursor_from_y + y;
14988         int lx = sx + level_xpos;
14989         int ly = sy + level_ypos;
14990         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14991         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14992                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14993                        brush_buffer[x][y] : new_element);
14994
14995         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14996         {
14997           if (sx < border_from_x)
14998             border_from_x = sx;
14999           else if (sx > border_to_x)
15000             border_to_x = sx;
15001           if (sy < border_from_y)
15002             border_from_y = sy;
15003           else if (sy > border_to_y)
15004             border_to_y = sy;
15005
15006           DrawBrushElement(sx, sy, element, change_level);
15007         }
15008       }
15009     }
15010
15011     if (mode != CB_DELETE_OLD_CURSOR)
15012       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
15013
15014     last_cursor_x = cursor_x;
15015     last_cursor_y = cursor_y;
15016
15017     delete_old_brush = TRUE;
15018   }
15019   else if (mode == CB_FLIP_BRUSH_X)
15020   {
15021     for (y = 0; y < brush_height; y++)
15022       for (x = 0; x < (brush_width + 1) / 2; x++)
15023         SwapFlippedTiles(&brush_buffer[x][y],
15024                          &brush_buffer[brush_width - x - 1][y], mode);
15025
15026     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15027   }
15028   else if (mode == CB_FLIP_BRUSH_Y)
15029   {
15030     for (y = 0; y < (brush_height + 1) / 2; y++)
15031       for (x = 0; x < brush_width; x++)
15032         SwapFlippedTiles(&brush_buffer[x][y],
15033                          &brush_buffer[x][brush_height - y - 1], mode);
15034
15035     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15036   }
15037   else if (mode == CB_FLIP_BRUSH_XY)
15038   {
15039     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15040
15041     for (y = 0; y < MAX(brush_width, brush_height); y++)
15042       for (x = 0; x <= y; x++)
15043         SwapFlippedTiles(&brush_buffer[x][y],
15044                          &brush_buffer[y][x], mode);
15045
15046     swap_numbers(&brush_width, &brush_height);
15047
15048     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15049   }
15050
15051   if (mode == CB_UPDATE_BRUSH_POSITION)
15052   {
15053     last_cursor_x = from_x;
15054     last_cursor_y = from_y;
15055   }
15056 }
15057
15058 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
15059                             int button)
15060 {
15061   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
15062 }
15063
15064 static void CopyBrushToLevel(int x, int y, int button)
15065 {
15066   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
15067 }
15068
15069 static void CopyBrushToCursor(int x, int y)
15070 {
15071   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15072 }
15073
15074 static void UpdateBrushPosition(int x, int y)
15075 {
15076   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
15077 }
15078
15079 static void DeleteBrushFromCursor(void)
15080 {
15081   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15082 }
15083
15084 static void FlipBrushX(void)
15085 {
15086   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15087 }
15088
15089 static void FlipBrushY(void)
15090 {
15091   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
15092 }
15093
15094 static void RotateBrush(void)
15095 {
15096   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
15097   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15098 }
15099
15100 void DumpBrush(void)
15101 {
15102   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
15103 }
15104
15105 void DumpBrush_Small(void)
15106 {
15107   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
15108 }
15109
15110 void CopyClipboardToBrush(void)
15111 {
15112   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
15113 }
15114
15115 void CopyBrushToClipboard(void)
15116 {
15117   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
15118 }
15119
15120 void CopyBrushToClipboard_Small(void)
15121 {
15122   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
15123 }
15124
15125 void UndoLevelEditorOperation(void)
15126 {
15127   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
15128 }
15129
15130 void RedoLevelEditorOperation(void)
15131 {
15132   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15133 }
15134
15135 static void FloodFill(int from_x, int from_y, int fill_element)
15136 {
15137   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
15138 }
15139
15140 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
15141 {
15142   int from_x = from_sx2 + 2 * level_xpos;
15143   int from_y = from_sy2 + 2 * level_ypos;
15144   int max_fillx = lev_fieldx * 2;
15145   int max_filly = lev_fieldy * 2;
15146   short Fill[max_fillx][max_filly];
15147   int x, y;
15148
15149   for (x = 0; x < max_fillx; x++)
15150     for (y = 0; y < max_filly; y++)
15151       Fill[x][y] = getLevelElementHiRes(x, y);
15152
15153   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
15154                     Fill, max_fillx, max_filly);
15155
15156   for (x = 0; x < max_fillx; x++)
15157     for (y = 0; y < max_filly; y++)
15158       if (Fill[x][y] == fill_element)
15159         SetLevelElementHiRes(x, y, Fill[x][y]);
15160 }
15161
15162 // values for DrawLevelText() modes
15163 #define TEXT_INIT               0
15164 #define TEXT_SETCURSOR          1
15165 #define TEXT_WRITECHAR          2
15166 #define TEXT_BACKSPACE          3
15167 #define TEXT_NEWLINE            4
15168 #define TEXT_END                5
15169 #define TEXT_QUERY_TYPING       6
15170
15171 static int DrawLevelText(int sx, int sy, char letter, int mode)
15172 {
15173   static short delete_buffer[MAX_LEV_FIELDX];
15174   static int start_sx;
15175   static int last_sx, last_sy;
15176   static boolean typing = FALSE;
15177   int letter_element;
15178   int lx = 0, ly = 0;
15179
15180   // map lower case letters to upper case and convert special characters
15181   if (letter >= 'a' && letter <= 'z')
15182     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
15183   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
15184     letter_element = EL_CHAR_AUMLAUT;
15185   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
15186     letter_element = EL_CHAR_OUMLAUT;
15187   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
15188     letter_element = EL_CHAR_UUMLAUT;
15189   else if (letter == '^')
15190     letter_element = EL_CHAR_COPYRIGHT;
15191   else
15192     letter_element = EL_CHAR_ASCII0 + letter;
15193
15194   if (mode != TEXT_INIT)
15195   {
15196     if (!typing)
15197       return FALSE;
15198
15199     if (mode != TEXT_SETCURSOR)
15200     {
15201       sx = last_sx;
15202       sy = last_sy;
15203     }
15204
15205     lx = last_sx + level_xpos;
15206     ly = last_sy + level_ypos;
15207   }
15208
15209   switch (mode)
15210   {
15211     case TEXT_INIT:
15212       if (typing)
15213         DrawLevelText(0, 0, 0, TEXT_END);
15214
15215       typing = TRUE;
15216       start_sx = sx;
15217       last_sx = sx;
15218       last_sy = sy;
15219       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
15220       break;
15221
15222     case TEXT_SETCURSOR:
15223       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
15224       DrawAreaBorder(sx, sy, sx, sy);
15225       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
15226                      ed_tilesize, ed_tilesize);
15227       last_sx = sx;
15228       last_sy = sy;
15229       break;
15230
15231     case TEXT_WRITECHAR:
15232       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
15233       {
15234         if (new_element1 >= EL_STEEL_CHAR_START &&
15235             new_element1 <= EL_STEEL_CHAR_END)
15236           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
15237
15238         delete_buffer[sx - start_sx] = Tile[lx][ly];
15239         Tile[lx][ly] = letter_element;
15240
15241         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
15242           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
15243         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15244           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15245         else
15246           DrawLevelText(0, 0, 0, TEXT_END);
15247
15248         level.changed = TRUE;
15249       }
15250       break;
15251
15252     case TEXT_BACKSPACE:
15253       if (sx > start_sx)
15254       {
15255         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
15256         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
15257         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
15258       }
15259       break;
15260
15261     case TEXT_NEWLINE:
15262       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15263         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15264       else
15265         DrawLevelText(0, 0, 0, TEXT_END);
15266       break;
15267
15268     case TEXT_END:
15269       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15270       DrawEditorElement(sx, sy, Tile[lx][ly]);
15271       StopTextInput();
15272       typing = FALSE;
15273       break;
15274
15275     case TEXT_QUERY_TYPING:
15276       break;
15277
15278     default:
15279       break;
15280   }
15281
15282   return typing;
15283 }
15284
15285 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15286                           int element, boolean change_level)
15287 {
15288   int lx = sx + level_xpos;
15289   int ly = sy + level_ypos;
15290
15291   if (element == -1)
15292     DrawEditorElement(sx, sy, Tile[lx][ly]);
15293   else
15294     DrawAreaBorder(sx, sy, sx, sy);
15295 }
15296
15297 static void CheckLevelBorderElement(boolean redraw_playfield)
15298 {
15299   int last_border_element = BorderElement;
15300
15301   SetBorderElement();
15302
15303   if (redraw_playfield && BorderElement != last_border_element)
15304     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15305 }
15306
15307 static void CopyLevelToUndoBuffer(int mode)
15308 {
15309   static boolean accumulated_undo = FALSE;
15310   boolean new_undo_buffer_position = TRUE;
15311   int x, y;
15312
15313   if (undo_buffer_steps == 0)
15314     accumulated_undo = FALSE;
15315
15316   switch (mode)
15317   {
15318     case UNDO_IMMEDIATE:
15319       accumulated_undo = FALSE;
15320       break;
15321
15322     case UNDO_ACCUMULATE:
15323       if (accumulated_undo)
15324         new_undo_buffer_position = FALSE;
15325       accumulated_undo = TRUE;
15326       break;
15327
15328     default:
15329       break;
15330   }
15331
15332   if (new_undo_buffer_position)
15333   {
15334     // advance position in undo buffer ring
15335     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15336
15337     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15338       undo_buffer_steps++;
15339   }
15340
15341   // always reset redo buffer when storing level change into undo buffer
15342   redo_buffer_steps = 0;
15343
15344   for (x = 0; x < lev_fieldx; x++)
15345     for (y = 0; y < lev_fieldy; y++)
15346       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15347
15348   // check if drawing operation forces change of border style
15349   CheckLevelBorderElement(TRUE);
15350
15351   level.changed = TRUE;
15352 }
15353
15354 static void RandomPlacement(int new_element)
15355 {
15356   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15357   int num_free_positions = 0;
15358   int num_percentage, num_elements;
15359   int x, y;
15360
15361   ResetIntelliDraw();
15362
15363   // determine number of free positions for randomly placing the new element
15364   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15365   {
15366     free_position[x][y] =
15367       (random_placement_background_restricted ?
15368        Tile[x][y] == random_placement_background_element :
15369        Tile[x][y] != new_element);
15370
15371     if (free_position[x][y])
15372       num_free_positions++;
15373   }
15374
15375   // determine number of new elements to place there
15376   num_percentage = num_free_positions * random_placement_value / 100;
15377   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15378                   num_percentage : random_placement_value);
15379
15380   // if less free positions than elements to place, fill all these positions
15381   if (num_free_positions < num_elements)
15382   {
15383     for (x = 0; x < lev_fieldx; x++)
15384       for (y = 0; y < lev_fieldy; y++)
15385         if (free_position[x][y])
15386           SetElement(x, y, new_element);
15387   }
15388   else
15389   {
15390     while (num_elements > 0)
15391     {
15392       x = GetSimpleRandom(lev_fieldx);
15393       y = GetSimpleRandom(lev_fieldy);
15394
15395       // don't place element at the same position twice
15396       if (free_position[x][y])
15397       {
15398         free_position[x][y] = FALSE;
15399         SetElement(x, y, new_element);
15400         num_elements--;
15401       }
15402     }
15403   }
15404
15405   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15406   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15407 }
15408
15409 static void WrapLevel(int dx, int dy)
15410 {
15411   int wrap_dx = lev_fieldx - dx;
15412   int wrap_dy = lev_fieldy - dy;
15413   int x, y;
15414
15415   for (x = 0; x < lev_fieldx; x++)
15416     for (y = 0; y < lev_fieldy; y++)
15417       TileBackup[x][y] = Tile[x][y];
15418
15419   for (x = 0; x < lev_fieldx; x++)
15420     for (y = 0; y < lev_fieldy; y++)
15421       Tile[x][y] =
15422         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15423
15424   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15425   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15426 }
15427
15428 static void DrawAreaElementHighlight(boolean highlighted,
15429                                      boolean highlighted_similar)
15430 {
15431   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15432
15433   if (!highlighted)
15434     return;
15435
15436   int x, y;
15437
15438   for (x = 0; x < ed_fieldx; x++)
15439   {
15440     for (y = 0; y < ed_fieldy; y++)
15441     {
15442       boolean highlight = FALSE;
15443       int lx = x + level_xpos;
15444       int ly = y + level_ypos;
15445
15446       if (!IN_LEV_FIELD(lx, ly))
15447         continue;
15448
15449       // check if element is the same
15450       if (Tile[lx][ly] == new_element1)
15451         highlight = TRUE;
15452
15453       // check if element is similar
15454       if (highlighted_similar &&
15455           strEqual(element_info[Tile[lx][ly]].class_name,
15456                    element_info[new_element1].class_name))
15457         highlight = TRUE;
15458
15459       // check if element is matching MM style wall
15460       if (IS_MM_WALL(Tile[lx][ly]) &&
15461           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15462         highlight = TRUE;
15463
15464       if (!highlight)
15465         continue;
15466
15467       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15468       {
15469         int i;
15470
15471         for (i = 0; i < 4; i++)
15472         {
15473           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15474             continue;
15475
15476           int xx = x * 2 + (i % 2);
15477           int yy = y * 2 + (i / 2);
15478           int sx = SX + xx * ed_tilesize / 2;
15479           int sy = SY + yy * ed_tilesize / 2;
15480           int from_sx = sx;
15481           int from_sy = sy;
15482           int to_sx = sx + ed_tilesize / 2 - 1;
15483           int to_sy = sy + ed_tilesize / 2 - 1;
15484
15485           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15486           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15487           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15488           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15489         }
15490       }
15491       else
15492       {
15493         int sx = SX + x * ed_tilesize;
15494         int sy = SY + y * ed_tilesize;
15495         int from_sx = sx;
15496         int from_sy = sy;
15497         int to_sx = sx + ed_tilesize - 1;
15498         int to_sy = sy + ed_tilesize - 1;
15499
15500         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15501         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15502         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15503         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15504       }
15505     }
15506   }
15507 }
15508
15509 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15510 {
15511   char *template_filename_old = getLocalLevelTemplateFilename();
15512   char *template_filename_new =
15513     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15514
15515   if (copyFile(template_filename_old, template_filename_new) != 0)
15516     Request("Cannot copy level template!", REQ_CONFIRM);
15517
15518   free(template_filename_new);
15519 }
15520
15521 static void HandleDrawingAreas(struct GadgetInfo *gi)
15522 {
15523   static boolean started_inside_drawing_area = FALSE;
15524   static int last_sx = -1;
15525   static int last_sy = -1;
15526   static int last_sx2 = -1;
15527   static int last_sy2 = -1;
15528   int id = gi->custom_id;
15529   int type_id = gi->custom_type_id;
15530   boolean button_press_event;
15531   boolean button_release_event;
15532   boolean inside_drawing_area = !gi->event.off_borders;
15533   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15534   int actual_drawing_function;
15535   int button = gi->event.button;
15536   int new_element = BUTTON_ELEMENT(button);
15537   int sx = gi->event.x, sy = gi->event.y;
15538   int min_sx = 0, min_sy = 0;
15539   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15540   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15541   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15542   int sx2 = gi->event.mx / mini_item_xsize;
15543   int sy2 = gi->event.my / mini_item_ysize;
15544   int dx = sx2 % 2;
15545   int dy = sy2 % 2;
15546   int lx = 0, ly = 0;
15547   int x, y;
15548
15549   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15550   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15551
15552   // make sure to stay inside drawing area boundaries
15553   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15554   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15555
15556   if (draw_level)
15557   {
15558     int min_lx = 0, min_ly = 0;
15559     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15560
15561     // get positions inside level field
15562     lx = sx + level_xpos;
15563     ly = sy + level_ypos;
15564
15565     if (!IN_LEV_FIELD(lx, ly))
15566       inside_drawing_area = FALSE;
15567
15568     // make sure to stay inside level field boundaries
15569     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15570     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15571
15572     // correct drawing area positions accordingly
15573     sx = lx - level_xpos;
15574     sy = ly - level_ypos;
15575   }
15576
15577   // also correct MM wall-sized (double) drawing area positions accordingly
15578   if (sx2 / 2 < sx || sx2 / 2 > sx)
15579   {
15580     dx = (sx2 / 2 < sx ? 0 : 1);
15581     sx2 = sx * 2 + dx;
15582   }
15583   if (sy2 / 2 < sy || sy2 / 2 > sy)
15584   {
15585     dy = (sy2 / 2 < sy ? 0 : 1);
15586     sy2 = sy * 2 + dy;
15587   }
15588
15589   if (!button_press_event && !button_release_event)
15590   {
15591     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15592     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15593                              isHiresTileElement(old_element) &&
15594                              isHiresDrawElement(new_element));
15595
15596     // prevent handling events for every pixel position when moving mouse
15597     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15598         (sx2 == last_sx2 && sy2 == last_sy2))
15599       return;
15600   }
15601
15602   last_sx = sx;
15603   last_sy = sy;
15604   last_sx2 = sx2;
15605   last_sy2 = sy2;
15606
15607   if (button_press_event)
15608     started_inside_drawing_area = inside_drawing_area;
15609
15610   if (!started_inside_drawing_area)
15611     return;
15612
15613   if (!IS_VALID_BUTTON(button))
15614     return;
15615
15616   // handle info callback for each invocation of action callback
15617   gi->callback_info(gi);
15618
15619   // automatically switch to 'single item' drawing mode, if needed
15620   actual_drawing_function =
15621     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15622      drawing_function : GADGET_ID_SINGLE_ITEMS);
15623
15624   // clicking into drawing area with pressed Control key picks element
15625   if (GetKeyModState() & KMOD_Control)
15626   {
15627     last_drawing_function = drawing_function;
15628     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15629   }
15630
15631   if (GetKeyModState() & KMOD_Shift)
15632   {
15633     if (button_press_event || button_release_event)
15634       ResetIntelliDraw();
15635   }
15636
15637   SetDrawModeHiRes(-1);         // reset to normal draw mode
15638
15639   switch (actual_drawing_function)
15640   {
15641     case GADGET_ID_SINGLE_ITEMS:
15642       if (draw_level)
15643       {
15644         if (button_release_event)
15645         {
15646           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15647
15648           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15649               !inside_drawing_area)
15650             DeleteBrushFromCursor();
15651
15652           break;
15653         }
15654
15655         if (draw_with_brush)
15656         {
15657           CopyBrushToLevel(sx, sy, button);
15658         }
15659         else
15660         {
15661           SetDrawModeHiRes(new_element);
15662
15663           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15664           {
15665             // remove player at old position
15666             for (y = 0; y < lev_fieldy; y++)
15667             {
15668               for (x = 0; x < lev_fieldx; x++)
15669               {
15670                 int old_element = Tile[x][y];
15671
15672                 if (IS_PLAYER_ELEMENT(old_element) &&
15673                     IS_PLAYER_ELEMENT(new_element))
15674                 {
15675                   int replaced_with_element =
15676                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15677                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15678
15679                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15680                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15681
15682                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15683                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15684
15685                      new_element >= EL_PLAYER_1 &&
15686                      new_element <= EL_PLAYER_4 &&
15687                      new_element == old_element ? EL_EMPTY :
15688
15689                      old_element);
15690
15691                   SetElement(x, y, replaced_with_element);
15692                 }
15693                 else if (IS_MM_MCDUFFIN(old_element) &&
15694                          IS_MM_MCDUFFIN(new_element))
15695                 {
15696                   // remove McDuffin at old position
15697                   SetElement(x, y, EL_EMPTY);
15698                 }
15699               }
15700             }
15701           }
15702
15703           SetElementButton(lx, ly, dx, dy, new_element, button);
15704         }
15705       }
15706       else if (!button_release_event)
15707       {
15708         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15709
15710         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15711           DrawMiniGraphicExt(drawto,
15712                              gi->x + sx * MINI_TILEX,
15713                              gi->y + sy * MINI_TILEY,
15714                              el2edimg(new_element));
15715         else
15716           DrawFixedGraphicExt(drawto,
15717                               gi->x + sx * TILEX,
15718                               gi->y + sy * TILEY,
15719                               el2edimg(new_element), 0);
15720
15721         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15722           new_element = GFX_ELEMENT(new_element);
15723
15724         drawingarea_info[type_id].value[pos] = new_element;
15725
15726         CopyElementPropertiesToGame(properties_element);
15727
15728         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15729         {
15730           UpdateCustomElementGraphicGadgets();
15731
15732           FrameCounter = 0;     // restart animation frame counter
15733         }
15734       }
15735       break;
15736
15737     case GADGET_ID_CONNECTED_ITEMS:
15738       {
15739         static int last_sx = -1;
15740         static int last_sy = -1;
15741
15742         if (button_release_event)
15743           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15744
15745         SetDrawModeHiRes(new_element);
15746
15747         if (getDrawModeHiRes())
15748         {
15749           sx = sx2;
15750           sy = sy2;
15751         }
15752
15753         if (!button_press_event)
15754           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15755
15756         last_sx = sx;
15757         last_sy = sy;
15758       }
15759       break;
15760
15761     case GADGET_ID_LINE:
15762     case GADGET_ID_ARC:
15763     case GADGET_ID_RECTANGLE:
15764     case GADGET_ID_FILLED_BOX:
15765       SetDrawModeHiRes(new_element);
15766
15767       if (getDrawModeHiRes())
15768       {
15769         sx = sx2;
15770         sy = sy2;
15771       }
15772       // FALLTHROUGH
15773     case GADGET_ID_GRAB_BRUSH:
15774     case GADGET_ID_TEXT:
15775       {
15776         static int last_sx = -1;
15777         static int last_sy = -1;
15778         static int start_sx = -1;
15779         static int start_sy = -1;
15780         void (*draw_func)(int, int, int, int, int, boolean);
15781
15782         if (drawing_function == GADGET_ID_LINE)
15783           draw_func = DrawLine;
15784         else if (drawing_function == GADGET_ID_ARC)
15785           draw_func = DrawArc;
15786         else if (drawing_function == GADGET_ID_RECTANGLE)
15787           draw_func = DrawBox;
15788         else if (drawing_function == GADGET_ID_FILLED_BOX)
15789           draw_func = DrawFilledBox;
15790         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15791           draw_func = SelectArea;
15792         else // (drawing_function == GADGET_ID_TEXT)
15793           draw_func = SetTextCursor;
15794
15795         if (button_press_event)
15796         {
15797           draw_func(sx, sy, sx, sy, new_element, FALSE);
15798           start_sx = last_sx = sx;
15799           start_sy = last_sy = sy;
15800
15801           if (drawing_function == GADGET_ID_TEXT)
15802             DrawLevelText(0, 0, 0, TEXT_END);
15803         }
15804         else if (button_release_event)
15805         {
15806           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15807           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15808           {
15809             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15810             CopyBrushToCursor(sx, sy);
15811             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15812                           MB_LEFTBUTTON);
15813             draw_with_brush = TRUE;
15814           }
15815           else if (drawing_function == GADGET_ID_TEXT)
15816             DrawLevelText(sx, sy, 0, TEXT_INIT);
15817           else
15818             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15819         }
15820         else if (last_sx != sx || last_sy != sy)
15821         {
15822           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15823           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15824             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15825           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15826           last_sx = sx;
15827           last_sy = sy;
15828         }
15829       }
15830       break;
15831
15832     case GADGET_ID_FLOOD_FILL:
15833       if (button_press_event && Tile[lx][ly] != new_element)
15834       {
15835         if (IS_MM_WALL_EDITOR(new_element))
15836           FloodFillWall_MM(sx2, sy2, new_element);
15837         else
15838           FloodFill(lx, ly, new_element);
15839
15840         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15841         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15842       }
15843       break;
15844
15845     case GADGET_ID_PICK_ELEMENT:
15846       if (button_release_event)
15847         ClickOnGadget(level_editor_gadget[last_drawing_function],
15848                       MB_LEFTBUTTON);
15849       else if (draw_level)
15850         PickDrawingElement(button, Tile[lx][ly]);
15851       else
15852       {
15853         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15854
15855         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15856       }
15857
15858     default:
15859       break;
15860   }
15861
15862   // do not mark level as modified for certain non-level-changing gadgets
15863   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15864        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15865       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15866       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15867     return;
15868
15869   level.changed = TRUE;
15870 }
15871
15872 static void HandleCounterButtons(struct GadgetInfo *gi)
15873 {
15874   int gadget_id = gi->custom_id;
15875   int counter_id = gi->custom_type_id;
15876   int button = gi->event.button;
15877   int *counter_value = counterbutton_info[counter_id].value;
15878   int step = BUTTON_STEPSIZE(button) *
15879     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15880
15881   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15882   {
15883     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15884     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15885     boolean level_changed = LevelChanged();
15886
15887     if ((level_changed && pressed) || (!level_changed && released))
15888       return;
15889
15890     if (level_changed && !Request("Level has changed! Discard changes?",
15891                                   REQ_ASK))
15892     {
15893       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15894         ModifyEditorCounterValue(counter_id, *counter_value);
15895
15896       return;
15897     }
15898   }
15899
15900   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15901     *counter_value = gi->textinput.number_value;
15902   else
15903     ModifyEditorCounterValue(counter_id, *counter_value + step);
15904
15905   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15906   {
15907     int last_game_engine_type = level.game_engine_type;
15908
15909     LoadLevel(level_nr);
15910     LoadScore(level_nr);
15911
15912     SaveLevelSetup_SeriesInfo();
15913
15914     TapeErase();
15915
15916     ResetUndoBuffer();
15917     DrawEditModeWindow();
15918
15919     if (level.game_engine_type != last_game_engine_type)
15920     {
15921       // update element selection list
15922       ReinitializeElementList();
15923       ModifyEditorElementList();
15924     }
15925
15926     return;
15927   }
15928
15929   switch (counter_id)
15930   {
15931     case ED_COUNTER_ID_YAMYAM_CONTENT:
15932       DrawYamYamContentAreas();
15933       break;
15934
15935     case ED_COUNTER_ID_BALL_CONTENT:
15936       DrawMagicBallContentAreas();
15937       break;
15938
15939     case ED_COUNTER_ID_ANDROID_CONTENT:
15940       DrawAndroidElementArea();
15941       break;
15942
15943     case ED_COUNTER_ID_GROUP_CONTENT:
15944       DrawGroupElementArea();
15945       CopyGroupElementPropertiesToGame(properties_element);
15946       break;
15947
15948     case ED_COUNTER_ID_INVENTORY_SIZE:
15949       DrawPlayerInitialInventoryArea(properties_element);
15950       break;
15951
15952     case ED_COUNTER_ID_MM_BALL_CONTENT:
15953       DrawMMBallContentArea();
15954       break;
15955
15956     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15957     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15958       DrawEnvelopeTextArea(-1);
15959       break;
15960
15961     case ED_COUNTER_ID_LEVEL_XSIZE:
15962     case ED_COUNTER_ID_LEVEL_YSIZE:
15963       lev_fieldx = level.fieldx;
15964       lev_fieldy = level.fieldy;
15965
15966       // check if resizing of level results in change of border border
15967       SetBorderElement();
15968
15969       break;
15970
15971     default:
15972       break;
15973   }
15974
15975   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15976        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15977       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15978        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15979     CopyElementPropertiesToGame(properties_element);
15980
15981   // do not mark level as modified for certain non-level-changing gadgets
15982   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15983        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15984       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15985        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15986     return;
15987
15988   level.changed = TRUE;
15989 }
15990
15991 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15992 {
15993   int type_id = gi->custom_type_id;
15994
15995   strcpy(textinput_info[type_id].value, gi->textinput.value);
15996
15997   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15998   {
15999     CopyElementPropertiesToGame(properties_element);
16000
16001     ModifyEditorElementList();  // update changed button info text
16002   }
16003
16004   // do not mark level as modified for certain non-level-changing gadgets
16005   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
16006       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
16007     return;
16008
16009   level.changed = TRUE;
16010 }
16011
16012 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
16013 {
16014   int type_id = gi->custom_type_id;
16015
16016   strncpy(textarea_info[type_id].value, gi->textarea.value,
16017           MAX_ENVELOPE_TEXT_LEN);
16018   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
16019
16020   level.changed = TRUE;
16021 }
16022
16023 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
16024 {
16025   int type_id = gi->custom_type_id;
16026   int value_old = *selectbox_info[type_id].value;
16027   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
16028
16029   *selectbox_info[type_id].value = value_new;
16030
16031   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
16032   {
16033     DrawLevelConfigWindow();
16034   }
16035   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16036   {
16037     element_info[properties_element].current_change_page = gi->selectbox.index;
16038
16039     DrawPropertiesWindow();
16040   }
16041   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
16042             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
16043            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
16044             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
16045            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
16046   {
16047     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
16048     {
16049       // when changing action type, also check action mode and action arg
16050       if (value_old != value_new)
16051         setSelectboxSpecialActionVariablesIfNeeded();
16052
16053       DrawPropertiesChange();
16054     }
16055
16056     CopyElementPropertiesToGame(properties_element);
16057   }
16058   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
16059   {
16060     // show or hide "engine" tabulator depending on game engine type
16061     DrawLevelConfigWindow();
16062
16063     // update element selection list depending on game engine type
16064     ReinitializeElementList();
16065     ModifyEditorElementList();
16066   }
16067   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
16068   {
16069     // update BD cycle delay counter gadgets depending on BD scheduling type
16070     DrawLevelConfigWindow();
16071   }
16072
16073   // do not mark level as modified for certain non-level-changing gadgets
16074   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
16075       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16076     return;
16077
16078   level.changed = TRUE;
16079 }
16080
16081 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
16082 {
16083   int type_id = gi->custom_type_id;
16084   int i;
16085
16086   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
16087       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
16088   {
16089     edit_mode_levelconfig = gi->custom_type_id;
16090
16091     DrawLevelConfigWindow();
16092   }
16093   else if (type_id >= ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST &&
16094            type_id <= ED_TAB_BUTTON_ID_ENGINECONFIG_LAST)
16095   {
16096     edit_mode_engineconfig = gi->custom_type_id;
16097
16098     DrawLevelConfigWindow();
16099   }
16100   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
16101            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
16102   {
16103     edit_mode_properties = gi->custom_type_id;
16104
16105     DrawPropertiesWindow();
16106   }
16107   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
16108            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
16109   {
16110     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
16111
16112     // backup original "level.field" (needed to track playfield changes)
16113     CopyPlayfield(level.field, TileBackup);
16114
16115     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
16116     CopyPlayfield(Tile, level.field);
16117
16118     if (new_template ||
16119         Request("Save this template and kill the old?", REQ_ASK))
16120       SaveLevelTemplate();
16121
16122     if (new_template)
16123       Request("Template saved!", REQ_CONFIRM);
16124
16125     // restore original "level.field" (needed to track playfield changes)
16126     CopyPlayfield(TileBackup, level.field);
16127   }
16128   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
16129   {
16130     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
16131
16132     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
16133         leveldir_current->readonly)
16134     {
16135       Request("This level set is read-only!", REQ_CONFIRM);
16136
16137       return;
16138     }
16139
16140     if (strEqual(levelset_name, ""))
16141     {
16142       Request("Please enter level set title!", REQ_CONFIRM);
16143
16144       return;
16145     }
16146
16147     if (strEqual(levelset_author, ""))
16148     {
16149       Request("Please enter level set author!", REQ_CONFIRM);
16150
16151       return;
16152     }
16153
16154     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
16155     {
16156       if (UpdateUserLevelSet(levelset_subdir,
16157                              levelset_name,
16158                              levelset_author,
16159                              levelset_num_levels))
16160       {
16161         Request("Level set updated!", REQ_CONFIRM);
16162       }
16163       else
16164       {
16165         Request("Updating level set failed!", REQ_CONFIRM);
16166       }
16167     }
16168     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
16169     {
16170       if (level.changed && !Request("Level has changed! Discard changes?",
16171                                      REQ_ASK))
16172         return;
16173
16174       if (CreateUserLevelSet(levelset_subdir,
16175                              levelset_name,
16176                              levelset_author,
16177                              levelset_num_levels,
16178                              levelset_use_levelset_artwork))
16179       {
16180         if (levelset_copy_level_template)
16181           CopyLevelTemplateToUserLevelSet(levelset_subdir);
16182
16183         Request("New level set created!", REQ_CONFIRM);
16184
16185         AddUserLevelSetToLevelInfo(levelset_subdir);
16186         ChangeEditorToLevelSet(levelset_subdir);
16187       }
16188       else
16189       {
16190         Request("Creating new level set failed!", REQ_CONFIRM);
16191       }
16192     }
16193   }
16194   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
16195            custom_element.num_change_pages < MAX_CHANGE_PAGES)
16196   {
16197     struct ElementInfo *ei = &element_info[properties_element];
16198
16199     // when modifying custom element, ask for copying level template
16200     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16201       return;
16202
16203     setElementChangePages(ei, ei->num_change_pages + 1);
16204
16205     // set new change page to be new current change page
16206     ei->current_change_page = ei->num_change_pages - 1;
16207     ei->change = &ei->change_page[ei->current_change_page];
16208
16209     setElementChangeInfoToDefaults(ei->change);
16210
16211     DrawPropertiesWindow();
16212
16213     level.changed = TRUE;
16214   }
16215   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
16216            custom_element.num_change_pages > MIN_CHANGE_PAGES)
16217   {
16218     struct ElementInfo *ei = &element_info[properties_element];
16219
16220     // when modifying custom element, ask for copying level template
16221     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16222       return;
16223
16224     // copy all change pages after change page to be deleted
16225     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
16226       ei->change_page[i] = ei->change_page[i + 1];
16227
16228     setElementChangePages(ei, ei->num_change_pages - 1);
16229
16230     DrawPropertiesWindow();
16231
16232     level.changed = TRUE;
16233   }
16234 }
16235
16236 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
16237 {
16238   int type_id = gi->custom_type_id;
16239
16240   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
16241       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
16242   {
16243     struct ElementInfo *ei = &element_info[properties_element];
16244     int step = BUTTON_STEPSIZE(gi->event.button);
16245
16246     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
16247     ei->current_change_page += step;
16248
16249     if (ei->current_change_page < 0)
16250       ei->current_change_page = 0;
16251     else if (ei->current_change_page >= ei->num_change_pages)
16252       ei->current_change_page = ei->num_change_pages - 1;
16253
16254     DrawPropertiesWindow();
16255   }
16256   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
16257            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16258   {
16259     struct ElementInfo *ei = &element_info[properties_element];
16260     int current_change_page = ei->current_change_page;
16261
16262     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
16263     {
16264       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
16265         ei->change_page[current_change_page];
16266     }
16267     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16268     {
16269       // when modifying custom element, ask for copying level template
16270       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16271         return;
16272
16273       ei->change_page[current_change_page] =
16274         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
16275
16276       level.changed = TRUE;
16277     }
16278
16279     DrawPropertiesWindow();
16280   }
16281 }
16282
16283 static void HandleRadiobuttons(struct GadgetInfo *gi)
16284 {
16285   int type_id = gi->custom_type_id;
16286
16287   *radiobutton_info[type_id].value =
16288     radiobutton_info[type_id].checked_value;
16289
16290   // do not mark level as modified for certain non-level-changing gadgets
16291   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16292       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16293     return;
16294
16295   level.changed = TRUE;
16296 }
16297
16298 static void HandleCheckbuttons(struct GadgetInfo *gi)
16299 {
16300   int type_id = gi->custom_type_id;
16301
16302   *checkbutton_info[type_id].value ^= TRUE;
16303
16304   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16305       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16306       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16307       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16308          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16309         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16310          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16311        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16312   {
16313     CopyElementPropertiesToGame(properties_element);
16314   }
16315
16316   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16317   {
16318     UpdateCustomElementGraphicGadgets();
16319   }
16320   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16321            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16322   {
16323     boolean template_related_changes_found = FALSE;
16324     int i;
16325
16326     // check if any custom, group or empty elements have been changed
16327     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16328       if ((IS_CUSTOM_ELEMENT(i) ||
16329            IS_GROUP_ELEMENT(i) ||
16330            IS_EMPTY_ELEMENT(i)) &&
16331           element_info[i].modified_settings)
16332         template_related_changes_found = TRUE;
16333
16334     if (level.use_custom_template &&
16335         !fileExists(getGlobalLevelTemplateFilename()))
16336     {
16337       Request("No level template found!", REQ_CONFIRM);
16338
16339       level.use_custom_template = FALSE;
16340
16341       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16342
16343       return;
16344     }
16345
16346     if (level.use_custom_template &&
16347         template_related_changes_found &&
16348         !Request("Discard changes and use level template?", REQ_ASK))
16349     {
16350       level.use_custom_template = FALSE;
16351
16352       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16353
16354       return;
16355     }
16356
16357     if (!level.use_custom_template &&
16358         Request("Copy settings from level template?", REQ_ASK))
16359     {
16360       return;
16361     }
16362
16363     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16364
16365     DrawEditModeWindow();
16366   }
16367   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16368   {
16369     if (setup.editor.use_template_for_new_levels &&
16370         !fileExists(getGlobalLevelTemplateFilename()))
16371     {
16372       Request("No level template found!", REQ_CONFIRM);
16373
16374       return;
16375     }
16376
16377     if (setup.editor.use_template_for_new_levels &&
16378         level.changed &&
16379         !Request("Discard level and load template?", REQ_ASK))
16380     {
16381       return;
16382     }
16383
16384     if (!setup.editor.use_template_for_new_levels &&
16385         level.changed &&
16386         !Request("Discard level and use empty level?", REQ_ASK))
16387     {
16388       return;
16389     }
16390
16391     LoadLevel(level_nr);
16392     LoadScore(level_nr);
16393
16394     TapeErase();
16395
16396     ResetUndoBuffer();
16397     DrawEditModeWindow();
16398   }
16399   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16400   {
16401     SetAutomaticNumberOfGemsNeeded();
16402   }
16403
16404   // do not mark level as modified for certain non-level-changing gadgets
16405   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16406        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16407       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16408        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16409        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16410       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16411     return;
16412
16413   level.changed = TRUE;
16414 }
16415
16416 static void HandleControlButtons(struct GadgetInfo *gi)
16417 {
16418   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16419   static int last_edit_mode = ED_MODE_DRAWING;
16420   static int last_custom_copy_mode = -1;
16421   static int last_button = 0;
16422   int id = gi->custom_id;
16423   int button = gi->event.button;
16424   int step = BUTTON_STEPSIZE(button);
16425   int new_element = BUTTON_ELEMENT(button);
16426   int last_properties_element = properties_element;
16427   int x, y;
16428
16429   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16430     DrawLevelText(0, 0, 0, TEXT_END);
16431
16432   if (id < ED_NUM_CTRL1_BUTTONS &&
16433       id != GADGET_ID_SINGLE_ITEMS &&
16434       id != GADGET_ID_PICK_ELEMENT &&
16435       edit_mode != ED_MODE_DRAWING &&
16436       drawing_function != GADGET_ID_PICK_ELEMENT &&
16437       !(GetKeyModState() & KMOD_Control))
16438     ChangeEditModeWindow(ED_MODE_DRAWING);
16439
16440   // element copy mode active, but no element button pressed => deactivate
16441   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16442     last_custom_copy_mode = -1;
16443
16444   // when showing palette on element buttons, change element of button used
16445   if (editor.palette.show_on_element_buttons &&
16446       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16447   {
16448     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16449
16450     id = GADGET_ID_PALETTE;
16451   }
16452
16453   switch (id)
16454   {
16455     case GADGET_ID_SCROLL_LEFT:
16456       if (level_xpos >= 0)
16457       {
16458         if (lev_fieldx < ed_fieldx - 2)
16459           break;
16460
16461         level_xpos -= step;
16462         if (level_xpos < -1)
16463           level_xpos = -1;
16464         if (button == 1)
16465           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16466         else
16467           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16468
16469         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16470                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16471       }
16472       break;
16473
16474     case GADGET_ID_SCROLL_RIGHT:
16475       if (level_xpos <= lev_fieldx - ed_fieldx)
16476       {
16477         if (lev_fieldx < ed_fieldx - 2)
16478           break;
16479
16480         level_xpos += step;
16481         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16482           level_xpos = lev_fieldx - ed_fieldx + 1;
16483         if (button == 1)
16484           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16485         else
16486           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16487
16488         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16489                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16490       }
16491       break;
16492
16493     case GADGET_ID_SCROLL_UP:
16494       if (level_ypos >= 0)
16495       {
16496         if (lev_fieldy < ed_fieldy - 2)
16497           break;
16498
16499         level_ypos -= step;
16500         if (level_ypos < -1)
16501           level_ypos = -1;
16502         if (button == 1)
16503           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16504         else
16505           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16506
16507         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16508                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16509       }
16510       break;
16511
16512     case GADGET_ID_SCROLL_DOWN:
16513       if (level_ypos <= lev_fieldy - ed_fieldy)
16514       {
16515         if (lev_fieldy < ed_fieldy - 2)
16516           break;
16517
16518         level_ypos += step;
16519         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16520           level_ypos = lev_fieldy - ed_fieldy + 1;
16521         if (button == 1)
16522           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16523         else
16524           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16525
16526         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16527                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16528       }
16529       break;
16530
16531     case GADGET_ID_SCROLL_HORIZONTAL:
16532       level_xpos = gi->event.item_position - 1;
16533
16534       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16535       BackToFront();
16536
16537       break;
16538
16539     case GADGET_ID_SCROLL_VERTICAL:
16540       level_ypos = gi->event.item_position - 1;
16541
16542       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16543       BackToFront();
16544
16545       break;
16546
16547     case GADGET_ID_SCROLL_LIST_UP:
16548     case GADGET_ID_SCROLL_LIST_DOWN:
16549     case GADGET_ID_SCROLL_LIST_VERTICAL:
16550       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16551         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16552       else
16553       {
16554         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16555         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16556
16557         if (element_shift < 0)
16558           element_shift = 0;
16559         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16560           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16561
16562         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16563                      GDI_SCROLLBAR_ITEM_POSITION,
16564                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16565       }
16566
16567       ModifyEditorElementList();
16568
16569       break;
16570
16571     case GADGET_ID_PROPERTIES:
16572       // always switch off element properties when they are already displayed
16573       last_properties_element = new_element;
16574     case GADGET_ID_ELEMENT_LEFT:
16575     case GADGET_ID_ELEMENT_MIDDLE:
16576     case GADGET_ID_ELEMENT_RIGHT:
16577       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16578                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16579                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16580                             new_element);
16581
16582       if (edit_mode != ED_MODE_PROPERTIES)
16583       {
16584         last_edit_mode = edit_mode;
16585
16586         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16587
16588         last_level_drawing_function = drawing_function;
16589         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16590                       MB_LEFTBUTTON);
16591       }
16592       else if (properties_element != last_properties_element)
16593       {
16594         DrawEditModeWindow();
16595       }
16596       else
16597       {
16598         ChangeEditModeWindow(ED_MODE_DRAWING);
16599
16600         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16601                       MB_LEFTBUTTON);
16602       }
16603       break;
16604
16605     case GADGET_ID_PALETTE:
16606       if (edit_mode != ED_MODE_PALETTE)
16607       {
16608         last_edit_mode = edit_mode;
16609
16610         ChangeEditModeWindow(ED_MODE_PALETTE);
16611       }
16612       else
16613       {
16614         ChangeEditModeWindow(last_edit_mode);
16615       }
16616       break;
16617
16618     case GADGET_ID_WRAP_LEFT:
16619       WrapLevel(-step, 0);
16620       break;
16621
16622     case GADGET_ID_WRAP_RIGHT:
16623       WrapLevel(step, 0);
16624       break;
16625
16626     case GADGET_ID_WRAP_UP:
16627       WrapLevel(0, -step);
16628       break;
16629
16630     case GADGET_ID_WRAP_DOWN:
16631       WrapLevel(0, step);
16632       break;
16633
16634     case GADGET_ID_SINGLE_ITEMS:
16635     case GADGET_ID_CONNECTED_ITEMS:
16636     case GADGET_ID_LINE:
16637     case GADGET_ID_ARC:
16638     case GADGET_ID_TEXT:
16639     case GADGET_ID_RECTANGLE:
16640     case GADGET_ID_FILLED_BOX:
16641     case GADGET_ID_FLOOD_FILL:
16642     case GADGET_ID_GRAB_BRUSH:
16643     case GADGET_ID_PICK_ELEMENT:
16644       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16645         last_drawing_function = drawing_function;
16646       drawing_function = id;
16647       draw_with_brush = FALSE;
16648       break;
16649
16650     case GADGET_ID_RANDOM_PLACEMENT:
16651       RandomPlacement(new_element);
16652       break;
16653
16654     case GADGET_ID_ZOOM:
16655       // zoom level editor tile size in or out (or reset to default size)
16656       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16657                      button == 2 ? ed_tilesize_default :
16658                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16659
16660       // when using touch device, cycle through all zoom tilesizes
16661       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16662         ed_tilesize = MICRO_TILESIZE;
16663
16664       // limit zoom level by upper and lower bound
16665       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16666
16667       InitZoomLevelSettings(ed_tilesize);
16668
16669       if (edit_mode == ED_MODE_DRAWING)
16670       {
16671         DrawDrawingWindow();
16672
16673         // redraw zoom gadget info text
16674         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16675       }
16676
16677       // save current editor zoom tilesize
16678       SaveSetup_AutoSetup();
16679
16680       break;
16681
16682     case GADGET_ID_CUSTOM_COPY_FROM:
16683     case GADGET_ID_CUSTOM_COPY_TO:
16684     case GADGET_ID_CUSTOM_EXCHANGE:
16685       last_custom_copy_mode = id;
16686       last_drawing_function = drawing_function;
16687       break;
16688
16689     case GADGET_ID_CUSTOM_COPY:
16690       CopyCustomElement(properties_element, -1, id);
16691       break;
16692
16693     case GADGET_ID_CUSTOM_PASTE:
16694       CopyCustomElement(-1, properties_element, id);
16695       break;
16696
16697     case GADGET_ID_UNDO:
16698       if (button < 0)   // keep button value (even if modifier keys are pressed)
16699         button = -button;
16700       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16701         button = 3;
16702
16703       if (button == 1 && undo_buffer_steps == 0)
16704       {
16705         Request("Undo buffer empty!", REQ_CONFIRM);
16706
16707         break;
16708       }
16709       else if (button == 2)
16710       {
16711         break;
16712       }
16713       else if (button == 3 && redo_buffer_steps == 0)
16714       {
16715         Request("Redo buffer empty!", REQ_CONFIRM);
16716
16717         break;
16718       }
16719
16720       if (edit_mode != ED_MODE_DRAWING)
16721         ChangeEditModeWindow(ED_MODE_DRAWING);
16722
16723       if (button == 1)
16724       {
16725         // undo
16726
16727         undo_buffer_position =
16728           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16729
16730         undo_buffer_steps--;
16731         redo_buffer_steps++;
16732       }
16733       else
16734       {
16735         // redo
16736
16737         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16738
16739         undo_buffer_steps++;
16740         redo_buffer_steps--;
16741       }
16742
16743       for (x = 0; x < lev_fieldx; x++)
16744         for (y = 0; y < lev_fieldy; y++)
16745           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16746
16747       // check if undo operation forces change of border style
16748       CheckLevelBorderElement(FALSE);
16749
16750       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16751
16752       break;
16753
16754     case GADGET_ID_CONF:
16755       if (edit_mode != ED_MODE_LEVELCONFIG)
16756       {
16757         last_edit_mode = edit_mode;
16758
16759         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16760       }
16761       else
16762       {
16763         ChangeEditModeWindow(ED_MODE_DRAWING);
16764       }
16765       break;
16766
16767     case GADGET_ID_CLEAR:
16768       if (edit_mode != ED_MODE_DRAWING)
16769         ChangeEditModeWindow(ED_MODE_DRAWING);
16770
16771       for (x = 0; x < MAX_LEV_FIELDX; x++)
16772         for (y = 0; y < MAX_LEV_FIELDY; y++)
16773           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16774
16775       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16776
16777       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16778       break;
16779
16780     case GADGET_ID_SAVE:
16781     {
16782       // saving read-only levels into personal level set modifies global vars
16783       // "leveldir_current" and "level_nr"; restore them after saving level
16784       LevelDirTree *leveldir_former = leveldir_current;
16785       int level_nr_former = level_nr;
16786       char *level_filename;
16787       boolean new_level;
16788
16789       if (leveldir_current->readonly &&
16790           !PrepareSavingIntoPersonalLevelSet())
16791         break;
16792
16793       level_filename = getDefaultLevelFilename(level_nr);
16794       new_level = !fileExists(level_filename);
16795
16796       if (new_level ||
16797           Request("Save this level and kill the old?", REQ_ASK))
16798       {
16799         if (leveldir_former->readonly)
16800           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16801
16802         SetAutomaticNumberOfGemsNeeded();
16803
16804         CopyPlayfield(Tile, level.field);
16805         SaveLevel(level_nr);
16806
16807         level.changed = FALSE;
16808
16809         if (new_level)
16810         {
16811           char level_saved_msg[64];
16812
16813           if (leveldir_former->readonly)
16814             sprintf(level_saved_msg,
16815                     "Level saved as level %d into personal level set!",
16816                     level_nr);
16817           else
16818             strcpy(level_saved_msg, "Level saved!");
16819
16820           Request(level_saved_msg, REQ_CONFIRM);
16821         }
16822       }
16823
16824       // "cd" back to copied-from levelset (in case of saved read-only level)
16825       leveldir_current = leveldir_former;
16826       level_nr = level_nr_former;
16827
16828       break;
16829     }
16830
16831     case GADGET_ID_TEST:
16832       if (LevelChanged())
16833         level.game_version = GAME_VERSION_ACTUAL;
16834
16835       CopyPlayfield(level.field, TileBackup);
16836       CopyPlayfield(Tile, level.field);
16837
16838       CopyNativeLevel_RND_to_Native(&level);
16839
16840       UnmapLevelEditorGadgets();
16841       UndrawSpecialEditorDoor();
16842
16843       CloseDoor(DOOR_CLOSE_ALL);
16844
16845       // needed before playing if editor playfield area has different size
16846       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16847
16848       // redraw_mask = REDRAW_ALL;
16849
16850       level_editor_test_game = TRUE;
16851
16852       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16853
16854       break;
16855
16856     case GADGET_ID_EXIT:
16857       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16858       break;
16859
16860     default:
16861       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16862           id <= GADGET_ID_ELEMENTLIST_LAST)
16863       {
16864         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16865
16866         new_element = editor_elements[element_position + element_shift];
16867
16868         if (IS_EDITOR_CASCADE(new_element))
16869         {
16870           int i;
16871
16872           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16873           {
16874             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16875             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16876
16877             if (*cascade_element == new_element)
16878             {
16879               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16880               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16881
16882               // update element selection list
16883               ReinitializeElementList();
16884               ModifyEditorElementList();
16885
16886               // update cascading gadget info text
16887               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16888
16889               // save current editor cascading state
16890               SaveSetup_EditorCascade();
16891
16892               break;
16893             }
16894           }
16895
16896           break;
16897         }
16898
16899         if (last_custom_copy_mode != -1)
16900         {
16901           if (CopyCustomElement(properties_element, new_element,
16902                                 last_custom_copy_mode))
16903           {
16904             ClickOnGadget(level_editor_gadget[last_drawing_function],
16905                           MB_LEFTBUTTON);
16906
16907             last_custom_copy_mode = -1;
16908           }
16909
16910           break;
16911         }
16912
16913         // change element of button used to show palette
16914         if (editor.palette.show_on_element_buttons)
16915           button = last_button;
16916
16917         PickDrawingElement(button, new_element);
16918
16919         if (!stick_element_properties_window &&
16920             drawing_function != GADGET_ID_PICK_ELEMENT &&
16921             !(GetKeyModState() & KMOD_Control))
16922         {
16923           properties_element = new_element;
16924           if (edit_mode == ED_MODE_PROPERTIES)
16925             DrawPropertiesWindow();
16926         }
16927
16928         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16929           ClickOnGadget(level_editor_gadget[last_drawing_function],
16930                         MB_LEFTBUTTON);
16931
16932         if (!use_permanent_palette)
16933           ChangeEditModeWindow(last_edit_mode);
16934       }
16935 #ifdef DEBUG
16936       else if (gi->event.type == GD_EVENT_PRESSED)
16937         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16938       else if (gi->event.type == GD_EVENT_RELEASED)
16939         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16940       else if (gi->event.type == GD_EVENT_MOVING)
16941         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16942       else
16943         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16944 #endif
16945       break;
16946   }
16947 }
16948
16949 void HandleLevelEditorKeyInput(Key key)
16950 {
16951   char letter = getCharFromKey(key);
16952
16953   if (drawing_function == GADGET_ID_TEXT &&
16954       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16955   {
16956     if (letter)
16957       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16958     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16959       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16960     else if (key == KSYM_Return)
16961       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16962     else if (key == KSYM_Escape)
16963       DrawLevelText(0, 0, 0, TEXT_END);
16964
16965     return;
16966   }
16967
16968   int id = GADGET_ID_NONE;
16969   int new_element_shift = element_shift;
16970   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16971   int button = MB_LEFTBUTTON;
16972   int i;
16973
16974   switch (key)
16975   {
16976     case KSYM_Left:
16977       id = GADGET_ID_SCROLL_LEFT;
16978       break;
16979     case KSYM_Right:
16980       id = GADGET_ID_SCROLL_RIGHT;
16981       break;
16982     case KSYM_Up:
16983       id = GADGET_ID_SCROLL_UP;
16984       break;
16985     case KSYM_Down:
16986       id = GADGET_ID_SCROLL_DOWN;
16987       break;
16988
16989     case KSYM_Page_Up:
16990     case KSYM_Page_Down:
16991       step *= (key == KSYM_Page_Up ? -1 : +1);
16992       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16993
16994       if (element_shift < 0)
16995         element_shift = 0;
16996       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16997         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16998
16999       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17000                    GDI_SCROLLBAR_ITEM_POSITION,
17001                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17002
17003       ModifyEditorElementList();
17004
17005       break;
17006
17007     case KSYM_Home:
17008     case KSYM_End:
17009       element_shift = (key == KSYM_Home ? 0 :
17010                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
17011
17012       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17013                    GDI_SCROLLBAR_ITEM_POSITION,
17014                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17015
17016       ModifyEditorElementList();
17017
17018       break;
17019
17020     case KSYM_Insert:
17021     case KSYM_Delete:
17022
17023       // this is needed to prevent interference with running "True X-Mouse"
17024       if (GetKeyModStateFromEvents() & KMOD_Control)
17025         break;
17026
17027       // check for last or next editor cascade block in element list
17028       for (i = 0; i < num_editor_elements; i++)
17029       {
17030         if ((key == KSYM_Insert && i == element_shift) ||
17031             (key == KSYM_Delete && new_element_shift > element_shift))
17032           break;
17033
17034         // jump to next cascade block (or to start of element list)
17035         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
17036           new_element_shift = i;
17037       }
17038
17039       if (i < num_editor_elements)
17040         element_shift = new_element_shift;
17041
17042       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17043         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17044
17045       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17046                    GDI_SCROLLBAR_ITEM_POSITION,
17047                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17048
17049       ModifyEditorElementList();
17050
17051       break;
17052
17053     case KSYM_Escape:
17054       if (edit_mode == ED_MODE_DRAWING)
17055         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
17056       else if (edit_mode == ED_MODE_LEVELCONFIG)
17057         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
17058       else if (edit_mode == ED_MODE_PROPERTIES)
17059         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
17060       else if (edit_mode == ED_MODE_PALETTE)
17061         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
17062       else              // should never happen
17063         ChangeEditModeWindow(ED_MODE_DRAWING);
17064
17065       break;
17066
17067     default:
17068       break;
17069   }
17070
17071   if (id != GADGET_ID_NONE)
17072     ClickOnGadget(level_editor_gadget[id], button);
17073   else if (letter == '1' || letter == '?')
17074     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
17075   else if (letter == '2')
17076     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
17077   else if (letter == '3')
17078     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
17079   else if (letter == '.')
17080     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
17081   else if (letter == 'U')
17082     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
17083   else if (letter == '-' || key == KSYM_KP_Subtract)
17084     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
17085   else if (letter == '0' || key == KSYM_KP_0)
17086     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
17087   else if (letter == '+' || key == KSYM_KP_Add ||
17088            letter == '=')       // ("Shift-=" is "+" on US keyboards)
17089     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
17090   else if (key == KSYM_Return ||
17091            key == KSYM_space ||
17092            key == setup.shortcut.toggle_pause)
17093     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
17094   else
17095     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
17096       if (letter && letter == controlbutton_info[i].shortcut)
17097         if (!anyTextGadgetActive())
17098           ClickOnGadget(level_editor_gadget[i], button);
17099
17100   if (draw_with_brush)
17101   {
17102     if (letter == 'x')
17103       FlipBrushX();
17104     else if (letter == 'y')
17105       FlipBrushY();
17106     else if (letter == 'z')
17107       RotateBrush();
17108   }
17109 }
17110
17111 static void HandleLevelEditorIdle_Properties(void)
17112 {
17113   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
17114   int x = editor.settings.element_graphic.x + element_border;
17115   int y = editor.settings.element_graphic.y + element_border;
17116   static DelayCounter action_delay = { 0 };
17117   int i;
17118
17119   action_delay.value = GameFrameDelay;
17120
17121   if (!DelayReached(&action_delay))
17122     return;
17123
17124   for (i = 0; i < ED_NUM_SELECTBOX; i++)
17125   {
17126     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
17127
17128     if (gi->mapped && gi->active && gi->selectbox.open)
17129       return;
17130   }
17131
17132   DrawEditorElementAnimation(SX + x, SY + y);
17133
17134   redraw_mask |= REDRAW_FIELD;
17135
17136   FrameCounter++;       // increase animation frame counter
17137 }
17138
17139 static void HandleLevelEditorIdle_Drawing(void)
17140 {
17141   static boolean last_highlighted = FALSE;
17142   static boolean last_highlighted_similar = FALSE;
17143   boolean highlighted = (GetKeyModState() & KMOD_Alt);
17144   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
17145
17146   if (highlighted != last_highlighted ||
17147       (highlighted && highlighted_similar != last_highlighted_similar))
17148   {
17149     DrawAreaElementHighlight(highlighted, highlighted_similar);
17150
17151     redraw_mask |= REDRAW_FIELD;
17152   }
17153
17154   last_highlighted = highlighted;
17155   last_highlighted_similar = highlighted_similar;
17156 }
17157
17158 void HandleLevelEditorIdle(void)
17159 {
17160   if (edit_mode == ED_MODE_PROPERTIES)
17161     HandleLevelEditorIdle_Properties();
17162   else if (edit_mode == ED_MODE_DRAWING)
17163     HandleLevelEditorIdle_Drawing();
17164 }
17165
17166 static void ClearEditorGadgetInfoText(void)
17167 {
17168   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
17169 }
17170
17171 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
17172 {
17173   char infotext[MAX_OUTPUT_LINESIZE + 1];
17174   int max_infotext_len = getMaxInfoTextLength();
17175
17176   if (gi == NULL || strlen(gi->info_text) == 0)
17177     return;
17178
17179   strncpy(infotext, gi->info_text, max_infotext_len);
17180   infotext[max_infotext_len] = '\0';
17181
17182   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
17183   {
17184     int key = controlbutton_info[gi->custom_id].shortcut;
17185
17186     if (key)
17187     {
17188       char shortcut[MAX_OUTPUT_LINESIZE + 1];
17189
17190       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
17191         sprintf(shortcut, " ('.' or '%c')", key);
17192       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
17193         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
17194       else if (gi->custom_id == GADGET_ID_TEST)
17195         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
17196       else if (gi->custom_id == GADGET_ID_UNDO)
17197         sprintf(shortcut, " ('%c/Shift-U')", key);
17198       else if (gi->custom_id == GADGET_ID_ZOOM)
17199         sprintf(shortcut, " ('%c', '0', '-')", key);
17200       else
17201         sprintf(shortcut, " ('%s%c')",
17202                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
17203
17204       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
17205         strcat(infotext, shortcut);
17206     }
17207   }
17208
17209   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
17210 }
17211
17212 void HandleEditorGadgetInfoText(void *ptr)
17213 {
17214   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
17215
17216   if (game_status != GAME_MODE_EDITOR)
17217     return;
17218
17219   ClearEditorGadgetInfoText();
17220
17221   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
17222     return;
17223
17224   // misuse this function to delete brush cursor, if needed
17225   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
17226     DeleteBrushFromCursor();
17227
17228   PrintEditorGadgetInfoText(gi);
17229 }
17230
17231 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
17232 {
17233   int id = gi->custom_id;
17234   int type_id = gi->custom_type_id;
17235   int sx = gi->event.x;
17236   int sy = gi->event.y;
17237   int lx = sx + level_xpos;
17238   int ly = sy + level_ypos;
17239   int min_sx = 0, min_sy = 0;
17240   int max_sx = gi->drawing.area_xsize - 1;
17241   int max_sy = gi->drawing.area_ysize - 1;
17242   int actual_drawing_function = drawing_function;
17243   int max_infotext_len = getMaxInfoTextLength();
17244   char infotext[MAX_OUTPUT_LINESIZE + 1];
17245
17246   infotext[0] = '\0';           // start with empty info text
17247
17248   // pressed Control key: simulate picking element
17249   if (GetKeyModState() & KMOD_Control)
17250     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
17251
17252   ClearEditorGadgetInfoText();
17253
17254   if (gi->event.type == GD_EVENT_INFO_LEAVING)
17255     return;
17256
17257   // make sure to stay inside drawing area boundaries
17258   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
17259   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
17260
17261   if (id == GADGET_ID_DRAWING_LEVEL)
17262   {
17263     if (button_status)
17264     {
17265       int min_lx = 0, min_ly = 0;
17266       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
17267
17268       // get positions inside level field
17269       lx = sx + level_xpos;
17270       ly = sy + level_ypos;
17271
17272       // make sure to stay inside level field boundaries
17273       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
17274       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
17275
17276       // correct drawing area positions accordingly
17277       sx = lx - level_xpos;
17278       sy = ly - level_ypos;
17279     }
17280
17281     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17282     {
17283       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17284       {
17285         static int start_lx = 0;
17286         static int start_ly = 0;
17287         char *text;
17288
17289         if (gi->event.type == GD_EVENT_PRESSED)
17290         {
17291           start_lx = lx;
17292           start_ly = ly;
17293         }
17294
17295         switch (actual_drawing_function)
17296         {
17297           case GADGET_ID_SINGLE_ITEMS:
17298             text = "Drawing single items";
17299             break;
17300           case GADGET_ID_CONNECTED_ITEMS:
17301             text = "Drawing connected items";
17302             break;
17303           case GADGET_ID_LINE:
17304             text = "Drawing line";
17305             break;
17306           case GADGET_ID_ARC:
17307             text = "Drawing arc";
17308             break;
17309           case GADGET_ID_TEXT:
17310             text = "Setting text cursor";
17311             break;
17312           case GADGET_ID_RECTANGLE:
17313             text = "Drawing rectangle";
17314             break;
17315           case GADGET_ID_FILLED_BOX:
17316             text = "Drawing filled box";
17317             break;
17318           case GADGET_ID_FLOOD_FILL:
17319             text = "Flood fill";
17320             break;
17321           case GADGET_ID_GRAB_BRUSH:
17322             text = "Grabbing brush";
17323             break;
17324           case GADGET_ID_PICK_ELEMENT:
17325             text = "Picking element";
17326             break;
17327
17328           default:
17329             text = "Drawing position";
17330             break;
17331         }
17332
17333         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17334           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17335         else
17336           sprintf(infotext, "%s: %d, %d", text,
17337                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17338       }
17339       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17340         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17341       else
17342         sprintf(infotext, "Level position: %d, %d", lx, ly);
17343     }
17344
17345     // misuse this function to draw brush cursor, if needed
17346     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17347     {
17348       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17349         CopyBrushToCursor(sx, sy);
17350       else
17351         DeleteBrushFromCursor();
17352     }
17353
17354     if (!draw_with_brush)
17355       UpdateBrushPosition(sx, sy);
17356   }
17357   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17358   {
17359     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17360     int element = drawingarea_info[type_id].value[pos];
17361
17362     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17363   }
17364   else
17365   {
17366     if (id == GADGET_ID_CUSTOM_CONTENT)
17367       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17368     else if (id == GADGET_ID_GROUP_CONTENT)
17369       sprintf(infotext, "group element position: %d", sx + 1);
17370     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17371              id <= GADGET_ID_YAMYAM_CONTENT_7)
17372       sprintf(infotext, "content area %d position: %d, %d",
17373               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17374     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17375              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17376       sprintf(infotext, "content area %d position: %d, %d",
17377               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17378     else if (id == GADGET_ID_ANDROID_CONTENT)
17379       sprintf(infotext, "android element position: %d", sx + 1);
17380     else if (drawingarea_info[type_id].infotext != NULL)
17381       strcpy(infotext, drawingarea_info[type_id].infotext);
17382   }
17383
17384   infotext[max_infotext_len] = '\0';
17385
17386   if (strlen(infotext) > 0)
17387     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17388 }
17389
17390 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17391                             boolean quick_quit)
17392 {
17393   if (!ask_if_level_has_changed ||
17394       !LevelChanged() ||
17395       Request("Level has changed! Exit without saving?",
17396               REQ_ASK | REQ_STAY_OPEN))
17397   {
17398     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17399     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17400
17401     // draw normal door
17402     UndrawSpecialEditorDoor();
17403
17404     // use door animation if door 1 viewport is unchanged and contains toolbox
17405     if (useEditorDoorAnimation())
17406       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17407
17408     // close editor doors if viewport definition is the same as in main menu
17409     if (vp_door_1->x      == DX     &&
17410         vp_door_1->y      == DY     &&
17411         vp_door_1->width  == DXSIZE &&
17412         vp_door_1->height == DYSIZE &&
17413         vp_door_2->x      == VX     &&
17414         vp_door_2->y      == VY     &&
17415         vp_door_2->width  == VXSIZE &&
17416         vp_door_2->height == VYSIZE)
17417       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17418     else
17419       SetDoorState(DOOR_CLOSE_ALL);
17420
17421     BackToFront();
17422
17423     if (quick_quit)
17424       FadeSkipNextFadeIn();
17425
17426     SetGameStatus(GAME_MODE_MAIN);
17427
17428     DrawMainMenu();
17429   }
17430   else
17431   {
17432     if (!global.use_envelope_request)
17433     {
17434       CloseDoor(DOOR_CLOSE_1);
17435       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17436     }
17437   }
17438 }