src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2006 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "init.h"
  24 #include "tape.h"
  25
  26
  27 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  28
  29
  30 /*
  31   -----------------------------------------------------------------------------
  32   screen and artwork graphic pixel position definitions
  33   -----------------------------------------------------------------------------
  34 */
  35
  36 /* positions in the level editor */
  37 #if 1
  38 #define ED_WIN_MB_LEFT_XPOS             (editor.element_left.x)
  39 #define ED_WIN_MB_LEFT_YPOS             (editor.element_left.y)
  40 #define ED_WIN_MB_MIDDLE_XPOS           (editor.element_middle.x)
  41 #define ED_WIN_MB_MIDDLE_YPOS           (editor.element_middle.y)
  42 #define ED_WIN_MB_RIGHT_XPOS            (editor.element_right.x)
  43 #define ED_WIN_MB_RIGHT_YPOS            (editor.element_right.y)
  44 #else
  45 #define ED_WIN_MB_LEFT_XPOS             6
  46 #define ED_WIN_MB_LEFT_YPOS             258
  47 #define ED_WIN_MB_MIDDLE_XPOS           42
  48 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  49 #define ED_WIN_MB_RIGHT_XPOS            78
  50 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  51 #endif
  52
  53 /* values for the control window */
  54 #define ED_CTRL_NO_BUTTONS_GFX_XPOS     6
  55 #define ED_CTRL_NO_BUTTONS_GFX_YPOS     286
  56 #define ED_CTRL1_BUTTONS_GFX_YPOS       236
  57 #define ED_CTRL2_BUTTONS_GFX_YPOS       236
  58 #define ED_CTRL3_BUTTONS_GFX_YPOS       324
  59 #define ED_CTRL4_BUTTONS_GFX_XPOS       44
  60 #define ED_CTRL4_BUTTONS_GFX_YPOS       214
  61 #define ED_CTRL1_BUTTONS_ALT_GFX_YPOS   142
  62 #define ED_CTRL3_BUTTONS_ALT_GFX_YPOS   302
  63
  64 #define ED_CTRL1_BUTTON_XSIZE           22
  65 #define ED_CTRL1_BUTTON_YSIZE           22
  66 #define ED_CTRL1_BUTTONS_XPOS           6
  67 #define ED_CTRL1_BUTTONS_YPOS           6
  68 #define ED_CTRL2_BUTTON_XSIZE           30
  69 #define ED_CTRL2_BUTTON_YSIZE           20
  70 #define ED_CTRL2_BUTTONS_XPOS           5
  71 #define ED_CTRL2_BUTTONS_YPOS           99
  72 #define ED_CTRL3_BUTTON_XSIZE           22
  73 #define ED_CTRL3_BUTTON_YSIZE           22
  74 #define ED_CTRL3_BUTTONS_XPOS           6
  75 #define ED_CTRL3_BUTTONS_YPOS           6
  76 #define ED_CTRL4_BUTTON_XSIZE           22
  77 #define ED_CTRL4_BUTTON_YSIZE           22
  78 #define ED_CTRL4_BUTTONS_XPOS           6
  79 #define ED_CTRL4_BUTTONS_YPOS           6
  80
  81 #define ED_CTRL1_BUTTONS_HORIZ          4
  82 #define ED_CTRL1_BUTTONS_VERT           4
  83 #define ED_CTRL2_BUTTONS_HORIZ          3
  84 #define ED_CTRL2_BUTTONS_VERT           2
  85 #define ED_CTRL3_BUTTONS_HORIZ          3
  86 #define ED_CTRL3_BUTTONS_VERT           1
  87 #define ED_CTRL4_BUTTONS_HORIZ          2
  88 #define ED_CTRL4_BUTTONS_VERT           1
  89
  90 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  91 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  92 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  93 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  94 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  95 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  96 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS +  \
  97                                 ED_NUM_CTRL2_BUTTONS +  \
  98                                 ED_NUM_CTRL3_BUTTONS +  \
  99                                 ED_NUM_CTRL4_BUTTONS)
 100
 101 /* values for the element list */
 102 #if 1
 103 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
 104 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
 105 #else
 106 #define ED_ELEMENTLIST_XPOS             5
 107 #define ED_ELEMENTLIST_YPOS             30
 108 #endif
 109 #define ED_ELEMENTLIST_XSIZE            20
 110 #define ED_ELEMENTLIST_YSIZE            20
 111 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
 112 #if 1
 113 #define ED_ELEMENTLIST_BUTTONS_VERT     9
 114 #else
 115 #define ED_ELEMENTLIST_BUTTONS_VERT     11
 116 #endif
 117 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
 118                                          ED_ELEMENTLIST_BUTTONS_VERT)
 119
 120 /* standard distances */
 121 #define ED_BORDER_SIZE                  3
 122 #define ED_BORDER_TEXT_XSIZE            5
 123 #define ED_BORDER_AREA_YSIZE            1
 124
 125 #define ED_GADGET_DISTANCE              2
 126 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
 127 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
 128                                          MINI_TILEX / 2)
 129
 130 /* values for the settings windows */
 131 #define ED_LEVEL_SETTINGS_XSTART        (3 * MINI_TILEX / 2)
 132 #define ED_LEVEL_SETTINGS_YSTART        (7 * MINI_TILEY)
 133
 134 #define ED_ELEMENT_SETTINGS_XSTART      (3 * MINI_TILEX / 2)
 135 #define ED_ELEMENT_SETTINGS_YSTART      (10 * MINI_TILEY)
 136
 137 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE +         \
 138                                          2 * ED_GADGET_DISTANCE)
 139
 140 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
 141 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
 142 #define ED_SETTINGS_TAB_XOFFSET         124
 143
 144 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_LEVEL_SETTINGS_XSTART +     \
 145                                          (n) * ED_SETTINGS_XOFFSET)
 146 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_LEVEL_SETTINGS_YSTART +     \
 147                                          (n) * ED_SETTINGS_YOFFSET)
 148
 149 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_ELEMENT_SETTINGS_XSTART +   \
 150                                          (n) * ED_SETTINGS_XOFFSET)
 151 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_ELEMENT_SETTINGS_YSTART +   \
 152                                          (n) * ED_SETTINGS_YOFFSET)
 153
 154 #define ED_LEVEL_SETTINGS_TABS_XPOS(n)  (ED_LEVEL_SETTINGS_XPOS(0) +    \
 155                                         (n) * ED_SETTINGS_TAB_XOFFSET)
 156 #define ED_LEVEL_SETTINGS_TABS_YPOS(n)  (ED_LEVEL_SETTINGS_YSTART -     \
 157                                          3 * MINI_TILEY)
 158
 159 #define ED_ELEMENT_SETTINGS_TABS_XPOS(n) (ED_ELEMENT_SETTINGS_XPOS(0) + \
 160                                          (n) * ED_SETTINGS_TAB_XOFFSET)
 161 #define ED_ELEMENT_SETTINGS_TABS_YPOS(n) (ED_ELEMENT_SETTINGS_YSTART -  \
 162                                          2 * MINI_TILEY)
 163
 164 #define ED_SETTINGS1_YPOS               MINI_TILEY
 165 #define ED_SETTINGS2_XPOS               MINI_TILEX
 166 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 167
 168 /* values for counter gadgets */
 169 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 170 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 171 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART +            \
 172                                          (n) * ED_COUNTER_YDISTANCE)
 173 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART +            \
 174                                          (n) * ED_COUNTER_YDISTANCE - 2)
 175
 176 /* values for element content drawing areas */
 177 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 178 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 179                                          ED_GADGET_DISTANCE)
 180
 181 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 182 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 183                                          ED_GADGET_DISTANCE - MINI_TILEY)
 184
 185 /* yamyam content */
 186 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 187                                          5 * ((n) % 4) * MINI_TILEX)
 188 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (11 * ED_SETTINGS_YOFFSET +     \
 189                                          6 * ((n) / 4) * MINI_TILEY)
 190
 191 /* magic ball content */
 192 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS(n) (2 * MINI_TILEX +            \
 193                                             5 * ((n) % 4) * MINI_TILEX)
 194 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS(n) (12 * ED_SETTINGS_YOFFSET +  \
 195                                             6 * ((n) / 4) * MINI_TILEY)
 196
 197 /* values for scrolling gadgets for drawing area */
 198 #define ED_SCROLLBUTTON_XPOS            24
 199 #define ED_SCROLLBUTTON_YPOS            0
 200 #define ED_SCROLLBAR_XPOS               24
 201 #define ED_SCROLLBAR_YPOS               64
 202
 203 #define ED_SCROLLBUTTON_XSIZE           16
 204 #define ED_SCROLLBUTTON_YSIZE           16
 205
 206 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 207 #define ED_SCROLL_UP_YPOS               (0)
 208 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 209 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 210 #define ED_SCROLL_LEFT_XPOS             (0)
 211 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 212 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 213 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 214 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 215                                          ED_SCROLLBUTTON_XSIZE)
 216 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 217 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 218 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 219 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 220 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 221                                          ED_SCROLLBUTTON_YSIZE)
 222 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 223 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 224
 225 /* values for scrolling gadgets for element list */
 226 #define ED_SCROLLBUTTON2_XPOS           50
 227 #define ED_SCROLLBUTTON2_YPOS           0
 228 #define ED_SCROLLBAR2_XPOS              50
 229 #define ED_SCROLLBAR2_YPOS              20
 230
 231 #define ED_SCROLLBUTTON2_XSIZE          10
 232 #define ED_SCROLLBUTTON2_YSIZE          10
 233
 234 #define ED_SCROLL2_UP_XPOS              85
 235 #define ED_SCROLL2_UP_YPOS              30
 236 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 237 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 238                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 239                                          ED_ELEMENTLIST_YSIZE -         \
 240                                          ED_SCROLLBUTTON2_YSIZE)
 241 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 242 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 243                                          ED_SCROLLBUTTON2_YSIZE)
 244 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 245 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 246                                          ED_ELEMENTLIST_YSIZE -         \
 247                                          2 * ED_SCROLLBUTTON2_YSIZE)
 248
 249 /* values for checkbutton gadgets */
 250 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 251 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 252 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 253 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 254 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 255 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 256 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 257
 258 /* values for some special graphic buttons */
 259 #define ED_COPY_CHANGE_PAGE_XPOS        25
 260 #define ED_COPY_CHANGE_PAGE_YPOS        50
 261 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 262 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 263
 264 /* some values for text input, selectbox and counter gadgets */
 265 #define ED_BUTTON_COUNT_YPOS            60
 266 #define ED_BUTTON_COUNT_XSIZE           20
 267 #define ED_BUTTON_COUNT_YSIZE           20
 268 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 269 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 270 #define ED_WIN_COUNT_XSIZE              52
 271 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 272 #define ED_WIN_COUNT2_XPOS              27
 273 #define ED_WIN_COUNT2_YPOS              3
 274 #define ED_WIN_COUNT2_XSIZE             46
 275 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 276
 277 #define ED_BUTTON_MINUS_XPOS            2
 278 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 279 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 280 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 281 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 282                                          ED_WIN_COUNT_XSIZE + 2)
 283 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 284 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 285 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 286
 287 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 288 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 289                                          2 + ED_WIN_COUNT_YSIZE)
 290 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 291 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 292
 293 #define ED_SELECTBOX_BUTTON_XSIZE       14
 294
 295 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 296 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 297                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 298 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 299
 300 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 301 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 302                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 303 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 304                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 305
 306 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 307 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 308
 309 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 310 #define INFOTEXT_XPOS                   SX
 311 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 312 #define INFOTEXT_XSIZE                  SXSIZE
 313 #define INFOTEXT_YSIZE                  MINI_TILEX
 314
 315
 316 /*
 317   -----------------------------------------------------------------------------
 318   editor gadget definitions
 319   -----------------------------------------------------------------------------
 320 */
 321
 322 /* drawing toolbox buttons */
 323 #define GADGET_ID_NONE                  -1
 324 #define GADGET_ID_TOOLBOX_FIRST         0
 325
 326 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 327 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 328 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 329 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 330 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 331 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 332 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 333 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 334 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 335 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 336 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 337 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 338 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 339 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 340 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 341 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 342
 343 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 344 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 345 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 346 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 347 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 348 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 349
 350 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 351 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 352 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 353 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 354 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 355
 356 /* counter gadget identifiers */
 357 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 27)
 358
 359 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 360 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 361 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 362 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 363 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 364 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 365 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 366 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 367 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 368 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 369 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 370 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 371 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 372 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 373 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 374 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 375 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 376 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 377 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 378 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 379 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 380 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 381 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 382 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 383 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 384 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 385 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 386 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 387 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 388 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 389 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 390 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 391 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 392 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 393 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 394 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 395 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 396 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 397 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 398 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 399 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 400 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 401 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 402 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 403 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 404 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 405 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 406 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 407 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 408 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 409 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 410 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 411 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 412 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 413 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 414 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 415 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 416 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 417 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 418 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 419 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 420 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 421 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 422 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 423 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 424 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 425 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 426 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 427 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 428 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 429 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 430 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 431 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 432 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 433 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 434 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 435 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 436 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 437 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 438 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 439 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 440 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 441 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 442 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 443 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 444 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 445 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 446 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 447 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 448 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 449 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 450 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 451 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 452 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 453 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 454 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 455 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 456 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 457 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 458 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 459 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 460 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 461
 462 /* drawing area identifiers */
 463 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 464
 465 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 466 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 467 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 468 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 469 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 470 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 471 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 472 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 473 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 474 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 475 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 476 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 477 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 478 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 479 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 480 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 481 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 482 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 483 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 484 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 485 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 486 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 487 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 488 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 489 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 490 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 491 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 492 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 493 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 494 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 495 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 496 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 497 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 498
 499 /* text input identifiers */
 500 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 501
 502 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 503 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 504 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 505
 506 /* text area identifiers */
 507 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 508
 509 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 510
 511 /* selectbox identifiers */
 512 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 513
 514 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 515 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 516 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 517 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 518 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 519 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 520 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 521 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 522 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 523 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 524 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 525 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 526 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 527 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 528 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 529 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 530 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 531 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 532 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 533 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 534 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 535 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 536 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 537 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 538 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 539 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 540 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 541 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 542 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 543
 544 /* textbutton identifiers */
 545 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 546
 547 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 548 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 549 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 550 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 551 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 552 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 553 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 554 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 555 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 556 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 557
 558 /* graphicbutton identifiers */
 559 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 560
 561 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 562 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 563 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 564 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 565
 566 /* gadgets for scrolling of drawing area */
 567 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 568
 569 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 570 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 571 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 572 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 573 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 574 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 575
 576 /* gadgets for scrolling element list */
 577 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 578
 579 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 580 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 581 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 582
 583 /* checkbuttons/radiobuttons for level/element properties */
 584 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 585
 586 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 587 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 588 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 589 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 590 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 591 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 592 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 593 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 594 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 595 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 596 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 597 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 598 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 599 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 600 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 601 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 602 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 603 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 604 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 605 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 606 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 607 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 608 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 609 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 610 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 611 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 612 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 613 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 614 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 615 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 616 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 617 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 618 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 619 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 620 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 621 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 622 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 623 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 624 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 625 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 626 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 627 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 628 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 629 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 630 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 631 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 632 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 633 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 634 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 635 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 636 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 637 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 638 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 639 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 640
 641 /* gadgets for buttons in element list */
 642 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 643 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 644                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 645
 646 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 647
 648 /* radio button numbers */
 649 #define RADIO_NR_NONE                   0
 650 #define RADIO_NR_DRAWING_TOOLBOX        1
 651 #define RADIO_NR_RANDOM_ELEMENTS        2
 652
 653 /* values for counter gadgets */
 654 #define ED_COUNTER_ID_SELECT_LEVEL      0
 655 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 656 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 657 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 658 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 659 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 660 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 661 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 662 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 663 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 664 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 665 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 666 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 667 #define ED_COUNTER_ID_BALL_CONTENT      13
 668 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 669 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 670 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 671 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 672 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 673 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 674 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 675 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 676 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 677 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 678 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 679 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 680 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 681 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 682 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 683 #define ED_COUNTER_ID_IGNITION_DELAY    29
 684 #define ED_COUNTER_ID_GROUP_CONTENT     30
 685 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 686 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 687 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 688
 689 #define ED_NUM_COUNTERBUTTONS           34
 690
 691 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 692 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 693 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 694 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 695
 696 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 697 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 698 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 699 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 700 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 701 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 702
 703 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 704 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 705
 706 /* values for scrollbutton gadgets */
 707 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 708 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 709 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 710 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 711 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 712 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 713
 714 #define ED_NUM_SCROLLBUTTONS            6
 715
 716 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 717 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 718
 719 /* values for scrollbar gadgets */
 720 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 721 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 722 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 723
 724 #define ED_NUM_SCROLLBARS               3
 725
 726 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 727 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 728
 729 /* values for text input gadgets */
 730 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 731 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 732 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 733
 734 #define ED_NUM_TEXTINPUT                3
 735
 736 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 737 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 738
 739 /* values for text area gadgets */
 740 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 741
 742 #define ED_NUM_TEXTAREAS                        1
 743
 744 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 745 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 746
 747 /* values for selectbox gadgets */
 748 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 749 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 750 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 751 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 752 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 753 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 754 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 755 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 756 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 757 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 758 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 759 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 760 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 761 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 762 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 763 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 764 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 765 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 766 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 767 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 768 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 769 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 770 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 771 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 772 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 773 #define ED_SELECTBOX_ID_ACTION_MODE             25
 774 #define ED_SELECTBOX_ID_ACTION_ARG              26
 775 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 776 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 777
 778 #define ED_NUM_SELECTBOX                        29
 779
 780 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 781 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 782
 783 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 784 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 785 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 786 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 787 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 788 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 789
 790 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 791 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 792
 793 /* values for textbutton gadgets */
 794 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 795 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 796 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 797 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 798 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 799 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 800 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 801 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 802 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 803 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 804
 805 #define ED_NUM_TEXTBUTTONS                      10
 806
 807 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 808 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 809
 810 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 811 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 812
 813 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 814 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 815
 816 /* values for graphicbutton gadgets */
 817 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 818 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 819 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 820 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 821
 822 #define ED_NUM_GRAPHICBUTTONS                   4
 823
 824 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 825 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 826
 827 /* values for checkbutton gadgets */
 828 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 829 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 830 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 831 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 832 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 833 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 834 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 835 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 836 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 837 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 838 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 839 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 840 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 841 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 842 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 843 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 844 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 845 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 846 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 847 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 848 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 849 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 850 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 851 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 852 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 853 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 854 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 855 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 856 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 857 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 858 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 859 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 860 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 861 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 862 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 863 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 864 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 865 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 866 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 867 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 868 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 869 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 870 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 871 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 872 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 873 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 874 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 875 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 876 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 877 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 878 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 879 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 880
 881 #define ED_NUM_CHECKBUTTONS                     52
 882
 883 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 884 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 885
 886 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 887 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 888 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 889 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 890 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 891 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 892
 893 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 894 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 895
 896 /* values for radiobutton gadgets */
 897 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 898 #define ED_RADIOBUTTON_ID_QUANTITY      1
 899
 900 #define ED_NUM_RADIOBUTTONS             2
 901
 902 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 903 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 904
 905 /* values for drawing area gadgets */
 906 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 907 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 908 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 909 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 910 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 911 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 912 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 913 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 914 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 915 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 916 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 917 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 918 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 919 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 920 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 921 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 922 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 923 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 924 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 925 #define ED_DRAWING_ID_START_ELEMENT             19
 926 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 927 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 928 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 929 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 930 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 931 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 932 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 933 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 934 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 935 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 936 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 937 #define ED_DRAWING_ID_GROUP_CONTENT             31
 938 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 939
 940 #define ED_NUM_DRAWING_AREAS                    33
 941
 942
 943 /*
 944   -----------------------------------------------------------------------------
 945   some internally used definitions
 946   -----------------------------------------------------------------------------
 947 */
 948
 949 /* values for CopyLevelToUndoBuffer() */
 950 #define UNDO_IMMEDIATE                  0
 951 #define UNDO_ACCUMULATE                 1
 952
 953 /* values for scrollbars */
 954 #define ED_SCROLL_NO                    0
 955 #define ED_SCROLL_LEFT                  1
 956 #define ED_SCROLL_RIGHT                 2
 957 #define ED_SCROLL_UP                    4
 958 #define ED_SCROLL_DOWN                  8
 959
 960 /* screens in the level editor */
 961 #define ED_MODE_DRAWING                 0
 962 #define ED_MODE_INFO                    1
 963 #define ED_MODE_PROPERTIES              2
 964
 965 /* sub-screens in the global settings section */
 966 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 967 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 968
 969 /* sub-screens in the element properties section */
 970 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 971 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 972 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 973 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 974 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 975
 976 /* how many steps can be cancelled */
 977 #define NUM_UNDO_STEPS                  (10 + 1)
 978
 979 /* values for elements with score for certain actions */
 980 #define MIN_SCORE                       0
 981 #define MAX_SCORE                       999
 982
 983 /* values for elements with count for collecting */
 984 #define MIN_COLLECT_COUNT               0
 985 #define MAX_COLLECT_COUNT               999
 986
 987 /* values for random placement */
 988 #define RANDOM_USE_PERCENTAGE           0
 989 #define RANDOM_USE_QUANTITY             1
 990
 991 /* maximal size of level editor drawing area */
 992 #if NEW_TILESIZE
 993 #define MAX_ED_FIELDX           (SCR_FIELDX)
 994 #define MAX_ED_FIELDY           (SCR_FIELDY - 1)
 995 #else
 996 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 997 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 998 #endif
 999
1000
1001 /*
1002   -----------------------------------------------------------------------------
1003   some internally used data structure definitions
1004   -----------------------------------------------------------------------------
1005 */
1006
1007 static struct
1008 {
1009   char shortcut;
1010   char *text;
1011 } control_info[ED_NUM_CTRL_BUTTONS] =
1012 {
1013   /* note: some additional characters are already reserved for "cheat mode"
1014      shortcuts (":XYZ" style) -- for details, see "events.c" */
1015
1016   { 's',        "draw single items"                     },
1017   { 'd',        "draw connected items"                  },
1018   { 'l',        "draw lines"                            },
1019   { 'a',        "draw arcs"                             },
1020   { 'r',        "draw outline rectangles"               },
1021   { 'R',        "draw filled rectangles"                },
1022   { '\0',       "wrap (rotate) level up"                },
1023   { 't',        "enter text elements"                   },
1024   { 'f',        "flood fill"                            },
1025   { '\0',       "wrap (rotate) level left"              },
1026   { '?',        "properties of drawing element"         },
1027   { '\0',       "wrap (rotate) level right"             },
1028   { '\0',       "random element placement"              },
1029   { 'b',        "grab brush"                            },
1030   { '\0',       "wrap (rotate) level down"              },
1031   { ',',        "pick drawing element"                  },
1032
1033   { 'U',        "undo last operation"                   },
1034   { 'I',        "properties of level"                   },
1035   { 'S',        "save level"                            },
1036   { 'C',        "clear level"                           },
1037   { 'T',        "test level"                            },
1038   { 'E',        "exit level editor"                     },
1039
1040   { '\0',       "copy settings from other element"      },
1041   { '\0',       "copy settings to other element"        },
1042   { '\0',       "exchange element with other element"   },
1043
1044   { '\0',       "copy settings from this element"       },
1045   { '\0',       "paste settings to this element"        },
1046 };
1047
1048 static int random_placement_value = 10;
1049 static int random_placement_method = RANDOM_USE_QUANTITY;
1050 static int random_placement_background_element = EL_SAND;
1051 static boolean random_placement_background_restricted = FALSE;
1052 static boolean stick_element_properties_window = FALSE;
1053 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1054 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1055 static struct ElementChangeInfo custom_element_change;
1056 static struct ElementGroupInfo group_element_info;
1057 static struct ElementInfo custom_element;
1058
1059 static struct
1060 {
1061   int x, y;
1062   int min_value, max_value;
1063   int gadget_id_down, gadget_id_up;
1064   int gadget_id_text;
1065   int gadget_id_align;
1066   int *value;
1067   char *text_above, *text_left, *text_right;
1068 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1069 {
1070   /* ---------- current level number --------------------------------------- */
1071
1072   {
1073 #if 1
1074     -1, -1,     /* these values are not constant, but can change at runtime */
1075 #else
1076     DX + 5 - SX,                        DY + 3 - SY,
1077 #endif
1078     1,                                  100,
1079     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1080     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1081     &level_nr,
1082     NULL,                               NULL, NULL
1083   },
1084
1085   /* ---------- level and editor settings ---------------------------------- */
1086
1087   {
1088     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1089     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1090     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1091     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1092     &level.fieldx,
1093     "playfield size:",                  NULL, "width",
1094   },
1095   {
1096     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1097     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1098     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1099     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1100     &level.fieldy,
1101     NULL,                               " ", "height",
1102   },
1103   {
1104     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1105     0,                                  999,
1106     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1107     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1108     &level.gems_needed,
1109     NULL,                               "number of gems to collect:", NULL
1110   },
1111   {
1112     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1113     0,                                  9999,
1114     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1115     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1116     &level.time,
1117     "time or step limit to solve level:", NULL, NULL
1118   },
1119   {
1120     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1121     0,                                  999,
1122     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1123     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1124     &level.score[SC_TIME_BONUS],
1125     "score for each second/step left:", NULL, NULL
1126   },
1127   {
1128     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1129     0,                                  9999,
1130     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1131     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1132     &level.random_seed,
1133     NULL,                               "random seed:", "(0 => random)"
1134   },
1135   {
1136     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1137     1,                                  100,
1138     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1139     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1140     &random_placement_value,
1141     "random element placement:",        NULL, "in"
1142   },
1143
1144   /* ---------- element settings: configure (various elements) ------------- */
1145
1146   {
1147     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1148     MIN_SCORE,                          MAX_SCORE,
1149     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1150     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1151     NULL,                               /* will be set when used */
1152     NULL,                               NULL, NULL
1153   },
1154   {
1155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1156     MIN_SCORE,                          MAX_SCORE,
1157     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1158     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1159     NULL,                               /* will be set when used */
1160     NULL,                               NULL, NULL
1161   },
1162   {
1163     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1164     MIN_SCORE,                          MAX_SCORE,
1165     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1166     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1167     NULL,                               /* will be set when used */
1168     NULL,                               NULL, NULL
1169   },
1170   {
1171     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1172     MIN_SCORE,                          MAX_SCORE,
1173     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1174     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1175     NULL,                               /* will be set when used */
1176     NULL,                               NULL, NULL
1177   },
1178   {
1179     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1180     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1181     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1182     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1183     &level.num_yamyam_contents,
1184     NULL,                               NULL, "number of content areas"
1185   },
1186   {
1187     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1188     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1189     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1190     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1191     &level.num_ball_contents,
1192     NULL,                               NULL, "number of content areas"
1193   },
1194   {
1195     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1196     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1197     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1198     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1199     &level.num_android_clone_elements,
1200     NULL,                               NULL, "number of clonable elements"
1201   },
1202   {
1203     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1204     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1205     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1206     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1207     NULL,                               /* will be set when used */
1208     NULL,                               NULL, "width",
1209   },
1210   {
1211     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1212     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1213     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1214     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1215     NULL,                               /* will be set when used */
1216     NULL,                               " ", "height",
1217   },
1218   {
1219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1220     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1221     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1222     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1223     &level.initial_inventory_size[0],
1224     NULL,                               NULL, "number of inventory elements"
1225   },
1226
1227   /* ---------- element settings: configure 1 (custom elements) ------------ */
1228
1229   {
1230     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1231     MIN_SCORE,                          MAX_SCORE,
1232     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1233     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1234     &custom_element.collect_score_initial,
1235     NULL,                               "CE score", " "
1236   },
1237   {
1238     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1239     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1240     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1241     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1242     &custom_element.collect_count_initial,
1243     NULL,                               "CE count", NULL
1244   },
1245   {
1246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1247     0,                                  9999,
1248     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1249     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1250     &custom_element.ce_value_fixed_initial,
1251     NULL,                               "CE value", NULL
1252   },
1253   {
1254     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1255     0,                                  9999,
1256     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1257     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1258     &custom_element.ce_value_random_initial,
1259     NULL,                               "+random", NULL
1260   },
1261   {
1262     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1263     0,                                  999,
1264     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1265     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1266     &custom_element.push_delay_fixed,
1267     NULL,                               "push delay", NULL
1268   },
1269   {
1270     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1271     0,                                  999,
1272     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1273     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1274     &custom_element.push_delay_random,
1275     NULL,                               "+random", NULL
1276   },
1277   {
1278     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1279     0,                                  999,
1280     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1281     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1282     &custom_element.drop_delay_fixed,
1283     NULL,                               "drop delay", NULL
1284   },
1285   {
1286     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1287     0,                                  999,
1288     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1289     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1290     &custom_element.drop_delay_random,
1291     NULL,                               "+random", NULL
1292   },
1293
1294   /* ---------- element settings: configure 2 (custom elements) ------------ */
1295
1296   {
1297     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1298     0,                                  999,
1299     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1300     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1301     &custom_element.move_delay_fixed,
1302     NULL,                               "move delay", NULL
1303   },
1304   {
1305     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1306     0,                                  999,
1307     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1308     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1309     &custom_element.move_delay_random,
1310     NULL,                               "+random", NULL
1311   },
1312   {
1313     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1314     0,                                  999,
1315     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1316     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1317     &custom_element.explosion_delay,
1318     NULL,                               "explosion delay", NULL
1319   },
1320   {
1321     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1322     0,                                  999,
1323     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1324     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1325     &custom_element.ignition_delay,
1326     NULL,                               "ignition delay", "(by fire)"
1327   },
1328
1329   /* ---------- element settings: configure (group elements) --------------- */
1330
1331   {
1332     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1333     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1334     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1335     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1336     &group_element_info.num_elements,
1337     NULL,                               NULL, "number of elements in group"
1338   },
1339
1340   /* ---------- element settings: advanced (custom elements) --------------- */
1341
1342   {
1343     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1344     0,                                  999,
1345     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1346     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1347     &custom_element_change.delay_fixed,
1348     NULL,                               "CE delay", NULL,
1349   },
1350   {
1351     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1352     0,                                  999,
1353     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1354     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1355     &custom_element_change.delay_random,
1356     NULL,                               "+random", NULL
1357   },
1358   {
1359     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1360     0,                                  100,
1361     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1362     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1363     &custom_element_change.random_percentage,
1364     NULL,                               "use random replace:", "%"
1365   },
1366 };
1367
1368 static struct
1369 {
1370   int x, y;
1371   int gadget_id;
1372   int size;
1373   char *value;
1374   char *text_above, *infotext;
1375 } textinput_info[ED_NUM_TEXTINPUT] =
1376 {
1377   {
1378     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1379     GADGET_ID_LEVEL_NAME,
1380     MAX_LEVEL_NAME_LEN,
1381     level.name,
1382     "Title:", "Title"
1383   },
1384   {
1385     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1386     GADGET_ID_LEVEL_AUTHOR,
1387     MAX_LEVEL_AUTHOR_LEN,
1388     level.author,
1389     "Author:", "Author"
1390   },
1391   {
1392     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1393     GADGET_ID_ELEMENT_NAME,
1394     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1395     custom_element.description,
1396     NULL, "Element name"
1397   }
1398 };
1399
1400 static struct
1401 {
1402   int x, y;
1403   int gadget_id;
1404   int xsize, ysize;
1405   char *value;
1406   char *text_above, *infotext;
1407 } textarea_info[ED_NUM_TEXTAREAS] =
1408 {
1409   {
1410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1411     GADGET_ID_ENVELOPE_INFO,
1412     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1413     NULL,
1414     "Envelope Content:", "Envelope Content"
1415   }
1416 };
1417
1418 static struct ValueTextInfo options_time_or_steps[] =
1419 {
1420   { 0,                          "seconds"                       },
1421   { 1,                          "steps"                         },
1422
1423   { -1,                         NULL                            }
1424 };
1425
1426 static struct ValueTextInfo options_game_engine_type[] =
1427 {
1428   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1429   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1430   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1431
1432   { -1,                         NULL                            }
1433 };
1434
1435 static struct ValueTextInfo options_wind_direction[] =
1436 {
1437   { MV_START_NONE,              "none"                          },
1438   { MV_START_LEFT,              "left"                          },
1439   { MV_START_RIGHT,             "right"                         },
1440   { MV_START_UP,                "up"                            },
1441   { MV_START_DOWN,              "down"                          },
1442
1443   { -1,                         NULL                            }
1444 };
1445
1446 static struct ValueTextInfo options_player_speed[] =
1447 {
1448   { 0,                          "frozen"                        },
1449   { 1,                          "very slow"                     },
1450   { 2,                          "slow"                          },
1451   { 4,                          "normal"                        },
1452   { 8,                          "fast"                          },
1453   { 16,                         "very fast"                     },
1454   { 32,                         "ultrafast"                     },
1455
1456   { -1,                         NULL                            }
1457 };
1458
1459 static struct ValueTextInfo options_access_type[] =
1460 {
1461   { EP_WALKABLE,                "walkable"                      },
1462   { EP_PASSABLE,                "passable"                      },
1463
1464   { -1,                         NULL                            }
1465 };
1466
1467 static struct ValueTextInfo options_access_layer[] =
1468 {
1469   { EP_ACCESSIBLE_OVER,         "over"                          },
1470   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1471   { EP_ACCESSIBLE_UNDER,        "under"                         },
1472
1473   { -1,                         NULL                            }
1474 };
1475
1476 static struct ValueTextInfo options_access_protected[] =
1477 {
1478   { 0,                          "unprotected"                   },
1479   { 1,                          "protected"                     },
1480
1481   { -1,                         NULL                            }
1482 };
1483
1484 static struct ValueTextInfo options_access_direction[] =
1485 {
1486   { MV_NO_DIRECTION,            "no direction"                  },
1487   { MV_LEFT,                    "left"                          },
1488   { MV_RIGHT,                   "right"                         },
1489   { MV_UP,                      "up"                            },
1490   { MV_DOWN,                    "down"                          },
1491   { MV_LEFT  | MV_UP,           "left + up"                     },
1492   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1493   { MV_RIGHT | MV_UP,           "right + up"                    },
1494   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1495   { MV_HORIZONTAL,              "horizontal"                    },
1496   { MV_VERTICAL,                "vertical"                      },
1497   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1498   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1499   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1500   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1501   { MV_ALL_DIRECTIONS,          "all directions"                },
1502
1503   { -1,                         NULL                            }
1504 };
1505
1506 static struct ValueTextInfo options_walk_to_action[] =
1507 {
1508   { EP_DIGGABLE,                "diggable"                      },
1509   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1510   { EP_DROPPABLE,               "collectible & droppable"       },
1511   { EP_THROWABLE,               "collectible & throwable"       },
1512   { EP_PUSHABLE,                "pushable"                      },
1513
1514   { -1,                         NULL                            }
1515 };
1516
1517 static struct ValueTextInfo options_move_pattern[] =
1518 {
1519   { MV_LEFT,                    "left"                          },
1520   { MV_RIGHT,                   "right"                         },
1521   { MV_UP,                      "up"                            },
1522   { MV_DOWN,                    "down"                          },
1523   { MV_HORIZONTAL,              "horizontal"                    },
1524   { MV_VERTICAL,                "vertical"                      },
1525   { MV_ALL_DIRECTIONS,          "all directions"                },
1526   { MV_WIND_DIRECTION,          "wind direction"                },
1527   { MV_TOWARDS_PLAYER,          "towards player"                },
1528   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1529   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1530   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1531   { MV_TURNING_LEFT,            "turning left"                  },
1532   { MV_TURNING_RIGHT,           "turning right"                 },
1533   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1534   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1535   { MV_TURNING_RANDOM,          "turning random"                },
1536   { MV_MAZE_RUNNER,             "maze runner style"             },
1537   { MV_MAZE_HUNTER,             "maze hunter style"             },
1538   { MV_WHEN_PUSHED,             "when pushed"                   },
1539   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1540
1541   { -1,                         NULL                            }
1542 };
1543
1544 static struct ValueTextInfo options_move_direction[] =
1545 {
1546   { MV_START_AUTOMATIC,         "automatic"                     },
1547   { MV_START_LEFT,              "left"                          },
1548   { MV_START_RIGHT,             "right"                         },
1549   { MV_START_UP,                "up"                            },
1550   { MV_START_DOWN,              "down"                          },
1551   { MV_START_RANDOM,            "random"                        },
1552   { MV_START_PREVIOUS,          "previous"                      },
1553
1554   { -1,                         NULL                            }
1555 };
1556
1557 static struct ValueTextInfo options_move_stepsize[] =
1558 {
1559   { 0,                          "not moving"                    },
1560   { 1,                          "very slow"                     },
1561   { 2,                          "slow"                          },
1562   { 4,                          "normal"                        },
1563   { 8,                          "fast"                          },
1564   { 16,                         "very fast"                     },
1565   { 32,                         "even faster"                   },
1566
1567   { -1,                         NULL                            }
1568 };
1569
1570 static struct ValueTextInfo options_move_leave_type[] =
1571 {
1572   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1573   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1574
1575   { -1,                         NULL                            }
1576 };
1577
1578 static struct ValueTextInfo options_smash_targets[] =
1579 {
1580   { EP_CAN_SMASH_PLAYER,        "player"                        },
1581 #if 0
1582   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1583 #endif
1584   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1585
1586   { -1,                         NULL                            }
1587 };
1588
1589 static struct ValueTextInfo options_slippery_type[] =
1590 {
1591   { SLIPPERY_ANY_RANDOM,        "random"                        },
1592   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1593   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1594   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1595   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1596
1597   { -1,                         NULL                            }
1598 };
1599
1600 static struct ValueTextInfo options_deadliness[] =
1601 {
1602   { EP_DONT_RUN_INTO,           "running into"                  },
1603   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1604   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1605   { EP_DONT_TOUCH,              "touching"                      },
1606
1607   { -1,                         NULL                            }
1608 };
1609
1610 static struct ValueTextInfo options_explosion_type[] =
1611 {
1612   { EXPLODES_3X3,               "3x3"                           },
1613   { EXPLODES_CROSS,             "3+3"                           },
1614   { EXPLODES_1X1,               "1x1"                           },
1615
1616   { -1,                         NULL                            }
1617 };
1618
1619 static struct ValueTextInfo options_time_units[] =
1620 {
1621   { 1,                          "frames"                        },
1622   { FRAMES_PER_SECOND,          "seconds"                       },
1623
1624   { -1,                         NULL                            }
1625 };
1626
1627 static struct ValueTextInfo options_change_direct_action[] =
1628 {
1629   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1630   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1631   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1632   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1633   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1634   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1635   { CE_LEFT_BY_PLAYER,          "left by player"                },
1636   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1637   { CE_SWITCHED,                "switched"                      },
1638   { CE_HITTING_SOMETHING,       "hitting something"             },
1639   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1640 #if 0
1641   { CE_BLOCKED,                 "blocked"                       },
1642 #endif
1643   { CE_IMPACT,                  "impact (on something)"         },
1644   { CE_SMASHED,                 "smashed (from above)"          },
1645 #if 0
1646   { CE_VALUE_CHANGES,           "CE value changes"              },
1647   { CE_SCORE_CHANGES,           "CE score changes"              },
1648 #endif
1649   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1650   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1651
1652   { -1,                         NULL                            }
1653 };
1654
1655 static struct ValueTextInfo options_change_other_action[] =
1656 {
1657   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1658   { CE_PLAYER_PRESSES_X,        "player presses"                },
1659   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1660   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1661   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1662   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1663   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1664   { CE_PLAYER_DIGS_X,           "player digs"                   },
1665   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1666   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1667   { CE_TOUCHING_X,              "touching"                      },
1668   { CE_HITTING_X,               "hitting"                       },
1669   { CE_DIGGING_X,               "digging"                       },
1670   { CE_HIT_BY_X,                "hit by"                        },
1671   { CE_SWITCH_OF_X,             "switch of"                     },
1672   { CE_CHANGE_OF_X,             "change by page of"             },
1673   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1674   { CE_MOVE_OF_X,               "move of"                       },
1675   { CE_CREATION_OF_X,           "creation of"                   },
1676   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1677   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1678   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1679   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1680
1681   { -1,                         NULL                            }
1682 };
1683
1684 static struct ValueTextInfo options_change_trigger_side[] =
1685 {
1686   { CH_SIDE_LEFT,               "left"                          },
1687   { CH_SIDE_RIGHT,              "right"                         },
1688   { CH_SIDE_TOP,                "top"                           },
1689   { CH_SIDE_BOTTOM,             "bottom"                        },
1690   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1691   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1692   { CH_SIDE_ANY,                "any"                           },
1693
1694   { -1,                         NULL                            }
1695 };
1696
1697 static struct ValueTextInfo options_change_trigger_player[] =
1698 {
1699   { CH_PLAYER_1,                "1"                             },
1700   { CH_PLAYER_2,                "2"                             },
1701   { CH_PLAYER_3,                "3"                             },
1702   { CH_PLAYER_4,                "4"                             },
1703   { CH_PLAYER_ANY,              "any"                           },
1704
1705   { -1,                         NULL                            }
1706 };
1707
1708 static struct ValueTextInfo options_change_trigger_page[] =
1709 {
1710   { (1 << 0),                   "1"                             },
1711   { (1 << 1),                   "2"                             },
1712   { (1 << 2),                   "3"                             },
1713   { (1 << 3),                   "4"                             },
1714   { (1 << 4),                   "5"                             },
1715   { (1 << 5),                   "6"                             },
1716   { (1 << 6),                   "7"                             },
1717   { (1 << 7),                   "8"                             },
1718   { (1 << 8),                   "9"                             },
1719   { (1 << 9),                   "10"                            },
1720   { (1 << 10),                  "11"                            },
1721   { (1 << 11),                  "12"                            },
1722   { (1 << 12),                  "13"                            },
1723   { (1 << 13),                  "14"                            },
1724   { (1 << 14),                  "15"                            },
1725   { (1 << 15),                  "16"                            },
1726   { (1 << 16),                  "17"                            },
1727   { (1 << 17),                  "18"                            },
1728   { (1 << 18),                  "19"                            },
1729   { (1 << 19),                  "20"                            },
1730   { (1 << 20),                  "21"                            },
1731   { (1 << 21),                  "22"                            },
1732   { (1 << 22),                  "23"                            },
1733   { (1 << 23),                  "24"                            },
1734   { (1 << 24),                  "25"                            },
1735   { (1 << 25),                  "26"                            },
1736   { (1 << 26),                  "27"                            },
1737   { (1 << 27),                  "28"                            },
1738   { (1 << 28),                  "29"                            },
1739   { (1 << 29),                  "30"                            },
1740   { (1 << 30),                  "31"                            },
1741   { (1 << 31),                  "32"                            },
1742   { CH_PAGE_ANY,                "any"                           },
1743
1744   { -1,                         NULL                            }
1745 };
1746
1747 static struct ValueTextInfo options_change_replace_when[] =
1748 {
1749   { CP_WHEN_EMPTY,              "empty"                         },
1750   { CP_WHEN_WALKABLE,           "walkable"                      },
1751   { CP_WHEN_DIGGABLE,           "diggable"                      },
1752   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1753   { CP_WHEN_REMOVABLE,          "removable"                     },
1754   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1755
1756   { -1,                         NULL                            }
1757 };
1758
1759 static struct ValueTextInfo options_action_type[] =
1760 {
1761   { CA_NO_ACTION,               "no action"                     },
1762   { CA_UNDEFINED,               " "                             },
1763   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1764   { CA_RESTART_LEVEL,           "restart level"                 },
1765   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1766   { CA_SET_LEVEL_TIME,          "set time"                      },
1767   { CA_SET_LEVEL_SCORE,         "set score"                     },
1768   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1769   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1770   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1771   { CA_UNDEFINED,               " "                             },
1772   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1773   { CA_MOVE_PLAYER,             "move player"                   },
1774   { CA_EXIT_PLAYER,             "exit player"                   },
1775   { CA_KILL_PLAYER,             "kill player"                   },
1776   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1777   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1778   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1779   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1780   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1781   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1782   { CA_UNDEFINED,               " "                             },
1783   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1784   { CA_SET_CE_VALUE,            "set CE value"                  },
1785   { CA_SET_CE_SCORE,            "set CE score"                  },
1786   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1787   { CA_UNDEFINED,               " "                             },
1788   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1789   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1790
1791   { -1,                         NULL                            }
1792 };
1793
1794 static struct ValueTextInfo options_action_mode_none[] =
1795 {
1796   { CA_MODE_UNDEFINED,          " "                             },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_action_mode_assign[] =
1802 {
1803   { CA_MODE_SET,                "="                             },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_action_mode_add_remove[] =
1809 {
1810   { CA_MODE_ADD,                "+"                             },
1811   { CA_MODE_SUBTRACT,           "-"                             },
1812
1813   { -1,                         NULL                            }
1814 };
1815
1816 static struct ValueTextInfo options_action_mode_calculate[] =
1817 {
1818   { CA_MODE_SET,                "="                             },
1819   { CA_MODE_ADD,                "+"                             },
1820   { CA_MODE_SUBTRACT,           "-"                             },
1821   { CA_MODE_MULTIPLY,           "*"                             },
1822   { CA_MODE_DIVIDE,             "/"                             },
1823   { CA_MODE_MODULO,             "%"                             },
1824
1825   { -1,                         NULL                            }
1826 };
1827
1828 static struct ValueTextInfo options_action_arg_none[] =
1829 {
1830   { CA_ARG_UNDEFINED,           "         "                     },
1831
1832   { -1,                         NULL                            }
1833 };
1834
1835 static struct ValueTextInfo options_action_arg_player[] =
1836 {
1837   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1838   { CA_ARG_PLAYER_1,            "1"                             },
1839   { CA_ARG_PLAYER_2,            "2"                             },
1840   { CA_ARG_PLAYER_3,            "3"                             },
1841   { CA_ARG_PLAYER_4,            "4"                             },
1842   { CA_ARG_PLAYER_ANY,          "any"                           },
1843   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1844   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1845
1846   { -1,                         NULL                            }
1847 };
1848
1849 static struct ValueTextInfo options_action_arg_number[] =
1850 {
1851   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1852   { CA_ARG_0,                   "0"                             },
1853   { CA_ARG_1,                   "1"                             },
1854   { CA_ARG_2,                   "2"                             },
1855   { CA_ARG_3,                   "3"                             },
1856   { CA_ARG_4,                   "4"                             },
1857   { CA_ARG_5,                   "5"                             },
1858   { CA_ARG_10,                  "10"                            },
1859   { CA_ARG_100,                 "100"                           },
1860   { CA_ARG_1000,                "1000"                          },
1861   { CA_ARG_UNDEFINED,           " "                             },
1862   { CA_ARG_NUMBER_MIN,          "min"                           },
1863   { CA_ARG_NUMBER_MAX,          "max"                           },
1864   { CA_ARG_UNDEFINED,           " "                             },
1865   { CA_ARG_NUMBER_RESET,        "reset"                         },
1866   { CA_ARG_UNDEFINED,           " "                             },
1867   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1868   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1869   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1870   { CA_ARG_UNDEFINED,           " "                             },
1871   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1872   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1873   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1874   { CA_ARG_UNDEFINED,           " "                             },
1875   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1876   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1877   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1878   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1879   { CA_ARG_UNDEFINED,           " "                             },
1880   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1881   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1882   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1883   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1884
1885   { -1,                         NULL                            }
1886 };
1887
1888 static struct ValueTextInfo options_action_arg_value[] =
1889 {
1890   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1891   { CA_ARG_0,                   "0"                             },
1892   { CA_ARG_1,                   "1"                             },
1893   { CA_ARG_2,                   "2"                             },
1894   { CA_ARG_3,                   "3"                             },
1895   { CA_ARG_4,                   "4"                             },
1896   { CA_ARG_5,                   "5"                             },
1897   { CA_ARG_10,                  "10"                            },
1898   { CA_ARG_100,                 "100"                           },
1899   { CA_ARG_1000,                "1000"                          },
1900   { CA_ARG_UNDEFINED,           " "                             },
1901   { CA_ARG_NUMBER_MIN,          "min"                           },
1902   { CA_ARG_NUMBER_MAX,          "max"                           },
1903   { CA_ARG_UNDEFINED,           " "                             },
1904   { CA_ARG_NUMBER_RESET,        "reset"                         },
1905   { CA_ARG_UNDEFINED,           " "                             },
1906   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1907   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1908   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1909   { CA_ARG_UNDEFINED,           " "                             },
1910   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1911   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1912   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1913   { CA_ARG_UNDEFINED,           " "                             },
1914   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1915   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1916   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1917   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1918   { CA_ARG_UNDEFINED,           " "                             },
1919   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1920   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1921   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1922   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1923   { CA_ARG_UNDEFINED,           " "                             },
1924   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1925   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1926   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1927   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1928
1929   { -1,                         NULL                            }
1930 };
1931
1932 static struct ValueTextInfo options_action_arg_envelope[] =
1933 {
1934   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1935   { CA_ARG_1,                   "1"                             },
1936   { CA_ARG_2,                   "2"                             },
1937   { CA_ARG_3,                   "3"                             },
1938   { CA_ARG_4,                   "4"                             },
1939   { CA_ARG_UNDEFINED,           " "                             },
1940   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1941   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1942   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1943   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1944
1945   { -1,                         NULL                            }
1946 };
1947
1948 static struct ValueTextInfo options_action_arg_key[] =
1949 {
1950   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1951   { CA_ARG_1,                   "1"                             },
1952   { CA_ARG_2,                   "2"                             },
1953   { CA_ARG_3,                   "3"                             },
1954   { CA_ARG_4,                   "4"                             },
1955   { CA_ARG_5,                   "5"                             },
1956   { CA_ARG_6,                   "6"                             },
1957   { CA_ARG_7,                   "7"                             },
1958   { CA_ARG_8,                   "8"                             },
1959   { CA_ARG_UNDEFINED,           " "                             },
1960   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1961   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1962   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1963   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1964
1965   { -1,                         NULL                            }
1966 };
1967
1968 static struct ValueTextInfo options_action_arg_speed[] =
1969 {
1970   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1971   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1972   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1973   { CA_ARG_SPEED_SLOW,          "slow"                          },
1974   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1975   { CA_ARG_SPEED_FAST,          "fast"                          },
1976   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1977   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1978   { CA_ARG_UNDEFINED,           " "                             },
1979   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1980   { CA_ARG_SPEED_FASTER,        "faster"                        },
1981   { CA_ARG_UNDEFINED,           " "                             },
1982   { CA_ARG_SPEED_RESET,         "reset"                         },
1983
1984   { -1,                         NULL                            }
1985 };
1986
1987 static struct ValueTextInfo options_action_arg_shield[] =
1988 {
1989   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1990   { CA_ARG_SHIELD_OFF,          "off"                           },
1991   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1992   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1993
1994   { -1,                         NULL                            }
1995 };
1996
1997 static struct ValueTextInfo options_action_arg_artwork[] =
1998 {
1999   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2000   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2001   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2002   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2003   { CA_ARG_UNDEFINED,           " "                             },
2004   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_action_arg_gravity[] =
2010 {
2011   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2012   { CA_ARG_GRAVITY_ON,          "on"                            },
2013   { CA_ARG_GRAVITY_OFF,         "off"                           },
2014   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_action_arg_direction[] =
2020 {
2021   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2022   { CA_ARG_DIRECTION_NONE,      "none"                          },
2023   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2024   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2025   { CA_ARG_DIRECTION_UP,        "up"                            },
2026   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2027   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2028   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2029
2030   { -1,                         NULL                            }
2031 };
2032
2033 static struct ValueTextInfo options_action_arg_scan_mode[] =
2034 {
2035   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2036   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2037   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2038
2039   { -1,                         NULL                            }
2040 };
2041
2042 static struct ValueTextInfo options_action_arg_inventory[] =
2043 {
2044   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2045   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2046   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2047   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2048   { CA_ARG_UNDEFINED,           " "                             },
2049   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2050   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2051   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2052   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2053   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2054   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2055   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2056   { CA_ARG_UNDEFINED,           " "                             },
2057   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2058
2059   { -1,                         NULL                            }
2060 };
2061
2062 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2063 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2064 {
2065   { -1,                         NULL                            }
2066 };
2067
2068 static struct ValueTextInfo options_group_choice_mode[] =
2069 {
2070   { ANIM_RANDOM,                "random"                        },
2071   { ANIM_LOOP,                  "loop"                          },
2072   { ANIM_LINEAR,                "linear"                        },
2073   { ANIM_PINGPONG,              "pingpong"                      },
2074   { ANIM_PINGPONG2,             "pingpong 2"                    },
2075
2076   { -1,                         NULL                            }
2077 };
2078
2079 static struct ValueTextInfo *action_arg_modes[] =
2080 {
2081   options_action_mode_none,
2082   options_action_mode_assign,
2083   options_action_mode_add_remove,
2084   options_action_mode_calculate,
2085 };
2086
2087 static struct
2088 {
2089   int value;
2090   int mode;
2091   struct ValueTextInfo *options;
2092 }
2093 action_arg_options[] =
2094 {
2095   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2096   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2097   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2098   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2099   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2100   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2101   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2102   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2103   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2104   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2105   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2106   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2107   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2108   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2109   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2110   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2111   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2112   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2113   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2114   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2115   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2116
2117   { -1,                         FALSE,  NULL                            }
2118 };
2119
2120 static struct
2121 {
2122   int x, y;
2123   int gadget_id;
2124   int gadget_id_align;
2125   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2126   struct ValueTextInfo *options;
2127   int *value;
2128   char *text_left, *text_right, *infotext;
2129 } selectbox_info[ED_NUM_SELECTBOX] =
2130 {
2131   /* ---------- level and editor settings ---------------------------------- */
2132
2133   {
2134     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2135     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2136     -1,
2137     options_time_or_steps,
2138     &level.use_step_counter,
2139     NULL, "(0 => no limit)",            "time or step limit"
2140   },
2141   {
2142     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2143     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2144     -1,
2145     options_game_engine_type,
2146     &level.game_engine_type,
2147     "game engine:", NULL,               "game engine"
2148   },
2149   {
2150     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2151     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2152     -1,
2153     options_wind_direction,
2154     &level.wind_direction_initial,
2155     "initial wind direction:", NULL,    "initial wind direction"
2156   },
2157
2158   /* ---------- element settings: configure (several elements) ------------- */
2159
2160   {
2161     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2162     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2163     -1,
2164     options_player_speed,
2165     &level.initial_player_stepsize[0],
2166     "initial player speed:", NULL,      "initial player speed"
2167   },
2168
2169   /* ---------- element settings: configure 1 (custom elements) ------------ */
2170
2171   {
2172     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2173     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2174     -1,
2175     options_access_type,
2176     &custom_element.access_type,
2177     NULL, NULL,                         "type of access to this field"
2178   },
2179   {
2180     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2181     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2182     -1,
2183     options_access_layer,
2184     &custom_element.access_layer,
2185     NULL, NULL,                         "layer of access for this field"
2186   },
2187   {
2188     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2189     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2190     -1,
2191     options_access_protected,
2192     &custom_element.access_protected,
2193     NULL, NULL,                         "protected access for this field"
2194   },
2195   {
2196     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2197     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2198     -1,
2199     options_access_direction,
2200     &custom_element.access_direction,
2201     "from", NULL,                       "access direction for this field"
2202   },
2203   {
2204     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2205     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2206     -1,
2207     options_walk_to_action,
2208     &custom_element.walk_to_action,
2209     NULL, NULL,                         "diggable/collectible/pushable"
2210   },
2211
2212   /* ---------- element settings: configure 2 (custom elements) ------------ */
2213
2214   {
2215     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2216     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2217     -1,
2218     options_move_pattern,
2219     &custom_element.move_pattern,
2220     "can move", NULL,                   "element move pattern"
2221   },
2222   {
2223     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2224     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2225     -1,
2226     options_move_direction,
2227     &custom_element.move_direction_initial,
2228     "starts moving", NULL,              "initial element move direction"
2229   },
2230   {
2231     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2232     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2233     -1,
2234     options_move_stepsize,
2235     &custom_element.move_stepsize,
2236     "move/fall speed", NULL,            "speed of element movement"
2237   },
2238   {
2239     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2240     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2241     -1,
2242     options_move_leave_type,
2243     &custom_element.move_leave_type,
2244     "can dig:    can", ":",             "leave behind or change element"
2245   },
2246   {
2247     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2248     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2249     -1,
2250     options_smash_targets,
2251     &custom_element.smash_targets,
2252     "can smash", NULL,                  "elements that can be smashed"
2253   },
2254   {
2255     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2256     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2257     -1,
2258     options_slippery_type,
2259     &custom_element.slippery_type,
2260     "slippery", NULL,                   "where other elements fall down"
2261   },
2262   {
2263     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2264     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2265     -1,
2266     options_deadliness,
2267     &custom_element.deadliness,
2268     "deadly when", NULL,                "deadliness of element"
2269   },
2270   {
2271     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2272     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2273     -1,
2274     options_explosion_type,
2275     &custom_element.explosion_type,
2276     "can explode", NULL,                "explosion type"
2277   },
2278
2279   /* ---------- element settings: advanced (custom elements) --------------- */
2280
2281   {
2282     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2283     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2284     -1,
2285     options_time_units,
2286     &custom_element_change.delay_frames,
2287     "delay time given in", NULL,        "delay time units for change"
2288   },
2289   {
2290     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2291     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2292     -1,
2293     options_change_direct_action,
2294     &custom_element_change.direct_action,
2295     NULL, NULL,                         "type of direct action"
2296   },
2297   {
2298     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2299     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2300     -1,
2301     options_change_other_action,
2302     &custom_element_change.other_action,
2303     NULL, "element:",                   "type of other element action"
2304   },
2305   {
2306     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2307     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2308     -1,
2309     options_change_trigger_side,
2310     &custom_element_change.trigger_side,
2311     "at", "side",                       "element side triggering change"
2312   },
2313   {
2314     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2315     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2316     -1,
2317     options_change_trigger_player,
2318     &custom_element_change.trigger_player,
2319     "player:", " ",                     "player that causes change"
2320   },
2321   {
2322     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2323     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2324     -1,
2325     options_change_trigger_page,
2326     &custom_element_change.trigger_page,
2327     "page:", NULL,                      "change page that causes change"
2328   },
2329   {
2330     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2331     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2332     -1,
2333     options_change_replace_when,
2334     &custom_element_change.replace_when,
2335     "replace when", NULL,               "which elements can be replaced"
2336   },
2337   {
2338     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2339     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2340     -1,
2341     options_action_type,
2342     &custom_element_change.action_type,
2343     NULL, NULL,                         "action on specified condition"
2344   },
2345   {
2346     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2347     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2348     -1,
2349     options_action_mode_none,
2350     &custom_element_change.action_mode,
2351     NULL, NULL,                         "action operator"
2352   },
2353   {
2354     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2355     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2356     -1,
2357     options_action_arg_none,
2358     &custom_element_change.action_arg,
2359     NULL, NULL,                         "action parameter"
2360   },
2361   {
2362     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2363     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2364     3,
2365     options_change_page,
2366     &custom_element.current_change_page,
2367     NULL, NULL,                         "element change page"
2368   },
2369
2370   /* ---------- element settings: configure (group elements) --------------- */
2371
2372   {
2373     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2374     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2375     -1,
2376     options_group_choice_mode,
2377     &group_element_info.choice_mode,
2378     "choice type:", NULL,               "type of group element choice"
2379   },
2380 };
2381
2382 static struct
2383 {
2384   int x, y;
2385   int gadget_id;
2386   int gadget_id_align;
2387   int size;
2388   char *text;
2389   char *text_left, *text_right, *infotext;
2390 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2391 {
2392   {
2393     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2394     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2395     8,                                  "Level",
2396     NULL, NULL,                         "Configure level properties"
2397   },
2398   {
2399     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2400     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2401     8,                                  "Editor",
2402     NULL, NULL,                         "Configure editor properties"
2403   },
2404   {
2405     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2406     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2407     8,                                  "Info",
2408     NULL, NULL,                         "Show information about element"
2409   },
2410   {
2411     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2412     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2413     8,                                  "Config",
2414     NULL, NULL,                         "Configure element properties"
2415   },
2416   {
2417     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2418     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2419     8,                                  "Config 1",
2420     NULL, NULL,                         "Configure element properties, part 1"
2421   },
2422   {
2423     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2424     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2425     8,                                  "Config 2",
2426     NULL, NULL,                         "Configure element properties, part 2"
2427   },
2428   {
2429     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2430     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2431     8,                                  "Change",
2432     NULL, NULL,                         "Configure custom element change pages"
2433   },
2434   {
2435     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2436     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2437     -1,                                 "Save",
2438     " ", "As Template",                 "Save current settings as new template"
2439   },
2440   {
2441     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2442     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2443     -1,                                 "New",
2444     NULL, NULL,                         "Add new change page"
2445   },
2446   {
2447     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2448     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2449     -1,                                 "Delete",
2450     NULL, NULL,                         "Delete current change page"
2451   },
2452 };
2453
2454 static struct
2455 {
2456   int gd_x, gd_y;
2457   int x, y;
2458   int width, height;
2459   int gadget_id;
2460   int gadget_id_align;
2461   char *text_left, *text_right, *infotext;
2462 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2463 {
2464   {
2465     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2466     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2467     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2468     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2469     NULL, NULL,                         "select previous change page"
2470   },
2471   {
2472     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2473     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2474     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2475     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2476     NULL, "change page",                "select next change page"
2477   },
2478   {
2479     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2480     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2481     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2482     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2483     " ", NULL,                          "copy settings from this change page"
2484   },
2485   {
2486     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2487     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2488     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2489     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2490     NULL, NULL,                         "paste settings to this change page"
2491   },
2492 };
2493
2494 static struct
2495 {
2496   int gd_x, gd_y;
2497   int x, y;
2498   int gadget_id;
2499   char *infotext;
2500 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2501 {
2502   {
2503     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
2504 #if 1
2505     -1, -1,     /* these values are not constant, but can change at runtime */
2506 #else
2507     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
2508 #endif
2509     GADGET_ID_SCROLL_UP,
2510     "scroll level editing area up"
2511   },
2512   {
2513     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
2514 #if 1
2515     -1, -1,     /* these values are not constant, but can change at runtime */
2516 #else
2517     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
2518 #endif
2519     GADGET_ID_SCROLL_DOWN,
2520     "scroll level editing area down"
2521   },
2522   {
2523     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
2524 #if 1
2525     -1, -1,     /* these values are not constant, but can change at runtime */
2526 #else
2527     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
2528 #endif
2529     GADGET_ID_SCROLL_LEFT,
2530     "scroll level editing area left"
2531   },
2532   {
2533     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
2534 #if 1
2535     -1, -1,     /* these values are not constant, but can change at runtime */
2536 #else
2537     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
2538 #endif
2539     GADGET_ID_SCROLL_RIGHT,
2540     "scroll level editing area right"
2541   },
2542   {
2543     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
2544     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
2545     GADGET_ID_SCROLL_LIST_UP,
2546     "scroll element list up ('Page Up')"
2547   },
2548   {
2549     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
2550     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
2551     GADGET_ID_SCROLL_LIST_DOWN,
2552     "scroll element list down ('Page Down')"
2553   },
2554 };
2555
2556 static struct
2557 {
2558   int gd_x, gd_y;
2559   int x, y;
2560   int width, height;
2561   int wheel_x, wheel_y;
2562   int wheel_width, wheel_height;
2563   int type;
2564   int gadget_id;
2565   char *infotext;
2566 } scrollbar_info[ED_NUM_SCROLLBARS] =
2567 {
2568   {
2569     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2570 #if 1
2571     -1, -1,     /* these values are not constant, but can change at runtime */
2572     -1, -1,     /* these values are not constant, but can change at runtime */
2573     -1, -1,     /* these values are not constant, but can change at runtime */
2574     -1, -1,     /* these values are not constant, but can change at runtime */
2575 #else
2576     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
2577     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
2578     SX,                                 SY,
2579     SXSIZE,                             SYSIZE,
2580 #endif
2581     GD_TYPE_SCROLLBAR_HORIZONTAL,
2582     GADGET_ID_SCROLL_HORIZONTAL,
2583     "scroll level editing area horizontally"
2584   },
2585   {
2586     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2587 #if 1
2588     -1, -1,     /* these values are not constant, but can change at runtime */
2589     -1, -1,     /* these values are not constant, but can change at runtime */
2590     -1, -1,     /* these values are not constant, but can change at runtime */
2591     -1, -1,     /* these values are not constant, but can change at runtime */
2592 #else
2593     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
2594     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
2595     SX,                                 SY,
2596     SXSIZE,                             SYSIZE,
2597 #endif
2598     GD_TYPE_SCROLLBAR_VERTICAL,
2599     GADGET_ID_SCROLL_VERTICAL,
2600     "scroll level editing area vertically"
2601   },
2602   {
2603     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
2604 #if 1
2605     -1, -1,     /* these values are not constant, but can change at runtime */
2606     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2607     -1, -1,     /* these values are not constant, but can change at runtime */
2608     -1, -1,     /* these values are not constant, but can change at runtime */
2609 #else
2610     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
2611     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2612     DX,                                 DY,
2613     DXSIZE,                             DYSIZE,
2614 #endif
2615     GD_TYPE_SCROLLBAR_VERTICAL,
2616     GADGET_ID_SCROLL_LIST_VERTICAL,
2617     "scroll element list vertically"
2618   }
2619 };
2620
2621 static struct
2622 {
2623   int x, y;
2624   int gadget_id;
2625   int gadget_id_align;
2626   int radio_button_nr;
2627   int *value;
2628   int checked_value;
2629   char *text_left, *text_right, *infotext;
2630 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2631 {
2632   {
2633     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2634     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2635     RADIO_NR_RANDOM_ELEMENTS,
2636     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2637     " ", "percentage",                  "use percentage for random elements"
2638   },
2639   {
2640     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2641     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2642     RADIO_NR_RANDOM_ELEMENTS,
2643     &random_placement_method,           RANDOM_USE_QUANTITY,
2644     " ", "quantity",                    "use quantity for random elements"
2645   }
2646 };
2647
2648 static struct
2649 {
2650   int x, y;
2651   int gadget_id;
2652   int gadget_id_align;
2653   boolean *value;
2654   char *text_left, *text_right, *infotext;
2655 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2656 {
2657   /* ---------- level and editor settings ---------------------------------- */
2658
2659   {
2660     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2661     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2662     &random_placement_background_restricted,
2663     NULL,
2664     "restrict random placement to:",    "set random placement restriction"
2665   },
2666
2667   /* ---------- element settings: configure (various elements) ------------- */
2668
2669   {
2670     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2671     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2672     &stick_element_properties_window,
2673     NULL,
2674     "stick this screen to edit content","stick this screen to edit content"
2675   },
2676   {
2677     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2678     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2679     &level.em_slippery_gems,
2680     NULL,
2681     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2682   },
2683   {
2684     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2685     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2686     &level.em_explodes_by_fire,
2687     NULL,
2688     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2689   },
2690   {
2691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2692     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2693     &level.use_spring_bug,
2694     NULL,
2695     "use spring pushing bug",           "use odd spring pushing behaviour"
2696   },
2697   {
2698     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2699     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2700     &level.use_time_orb_bug,
2701     NULL,
2702     "use time orb bug",                 "use odd time orb behaviour"
2703   },
2704   {
2705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2706     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2707     &level.ball_random,
2708     NULL,
2709     "create single random element",     "only create one element from content"
2710   },
2711   {
2712     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2713     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2714     &level.ball_state_initial,
2715     NULL,
2716     "magic ball initially activated",   "activate magic ball after level start"
2717   },
2718   {
2719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2720     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2721     &level.grow_into_diggable,
2722     NULL,
2723     "can grow into anything diggable",  "grow into more than just sand"
2724   },
2725   {
2726     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2727     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2728     &level.auto_exit_sokoban,
2729     NULL,
2730     "exit level if all fields solved",  "automatically finish Sokoban levels"
2731   },
2732   {
2733     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2734     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2735     &level.continuous_snapping,
2736     NULL,
2737     "continuous snapping",              "use snapping without releasing key"
2738   },
2739   {
2740     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2741     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2742     &level.block_snap_field,
2743     NULL,
2744     "block snapped field when snapping", "use snapping delay to show animation"
2745   },
2746   {
2747     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2748     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2749     &level.block_last_field,
2750     NULL,
2751     "block last field when moving",     "player blocks last field when moving"
2752   },
2753   {
2754     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2755     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2756     &level.sp_block_last_field,
2757     NULL,
2758     "block last field when moving",     "player blocks last field when moving"
2759   },
2760   {
2761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2762     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2763     &level.instant_relocation,
2764     NULL,
2765     "no scrolling when relocating",     "player gets relocated without delay"
2766   },
2767   {
2768     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2769     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2770     &level.shifted_relocation,
2771     NULL,
2772     "no centering when relocating",     "level not centered after relocation"
2773   },
2774   {
2775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2776     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2777     &level.use_start_element[0],
2778     NULL,
2779     "use level start element:",        "start level at this element's position"
2780   },
2781   {
2782     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2783     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2784     &level.use_artwork_element[0],
2785     NULL,
2786     "use artwork from element:",        "use player artwork from other element"
2787   },
2788   {
2789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2790     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2791     &level.use_explosion_element[0],
2792     NULL,
2793     "use explosion from element:",      "use explosion properties from element"
2794   },
2795   {
2796     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2797     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2798     &level.initial_player_gravity[0],
2799     NULL,
2800     "use initial gravity",              "set initial player gravity"
2801   },
2802   {
2803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2804     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2805     &level.use_initial_inventory[0],
2806     NULL,
2807     "use initial inventory:",           "use collected elements on level start"
2808   },
2809   {
2810     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2811     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2812     &level.can_pass_to_walkable,
2813     NULL,
2814     "can pass to walkable element",     "player can pass to empty or walkable"
2815   },
2816   {
2817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2818     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2819     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2820     NULL,
2821     "can fall into acid (with gravity)","player can fall into acid pool"
2822   },
2823   {
2824     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2825     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2826     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2827     NULL,
2828     "can move into acid",               "element can move into acid pool"
2829   },
2830   {
2831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2832     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2833     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2834     NULL,
2835     "deadly when colliding with",       "element is deadly when hitting player"
2836   },
2837   {
2838     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2839     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2840     &level.envelope[0].autowrap,
2841     NULL,
2842     "auto-wrap",                        "automatically wrap envelope text"
2843   },
2844   {
2845     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2846     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2847     &level.envelope[0].centered,
2848     " ",
2849     "centered",                         "automatically center envelope text"
2850   },
2851
2852   /* ---------- element settings: configure 1 (custom elements) ----------- */
2853
2854   {
2855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2856     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2857     &custom_element.use_gfx_element,
2858
2859     /* !!! add separate "use existing element sound" !!! */
2860 #if 0
2861     NULL,
2862     "use graphic/sound of element:",    "use existing graphic and sound"
2863 #else
2864     NULL,
2865     "use graphic of element:",          "use existing element graphic"
2866 #endif
2867   },
2868   {
2869     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2870     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2871     &level.use_custom_template,
2872     NULL,
2873     "use template",                     "use template for custom properties"
2874   },
2875   {
2876     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2877     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2878     &custom_element_properties[EP_ACCESSIBLE],
2879     NULL,
2880     NULL,                               "player can walk to or pass this field"
2881   },
2882   {
2883     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2884     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2885     &custom_element_properties[EP_GRAVITY_REACHABLE],
2886     NULL,
2887     "reachable despite gravity",        "player can walk/dig despite gravity"
2888   },
2889   {
2890     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2891     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2892     &custom_element.use_last_ce_value,
2893     NULL,
2894     "use last CE value after change",   "use last CE value after change"
2895   },
2896   {
2897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2898     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2899     &custom_element_properties[EP_WALK_TO_OBJECT],
2900     NULL,
2901     NULL,                               "player can dig/collect/push element"
2902   },
2903   {
2904     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2905     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2906     &custom_element_properties[EP_INDESTRUCTIBLE],
2907     NULL,
2908     "indestructible",                   "element is indestructible"
2909   },
2910
2911   /* ---------- element settings: configure 2 (custom elements) ----------- */
2912
2913   {
2914     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2915     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2916     &custom_element_properties[EP_CAN_MOVE],
2917     NULL,
2918     NULL,                               "element can move with some pattern"
2919   },
2920   {
2921     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2922     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2923     &custom_element_properties[EP_CAN_FALL],
2924     NULL,
2925     "can fall",                         "element can fall down"
2926   },
2927   {
2928     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2929     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2930     &custom_element_properties[EP_CAN_SMASH],
2931     " ",
2932     NULL,                               "element can smash other elements"
2933   },
2934   {
2935     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2936     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2937     &custom_element_properties[EP_SLIPPERY],
2938     NULL,
2939     NULL,                               "other elements can fall down from it"
2940   },
2941   {
2942     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2943     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2944     &custom_element_properties[EP_DEADLY],
2945     NULL,
2946     NULL,                               "element can kill the player"
2947   },
2948   {
2949     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2950     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2951     &custom_element_properties[EP_CAN_EXPLODE],
2952     NULL,
2953     NULL,                               "element can explode"
2954   },
2955   {
2956     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2957     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2958     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2959     NULL,
2960     "by fire",                          "element can explode by fire/explosion"
2961   },
2962   {
2963     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2964     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2965     &custom_element_properties[EP_EXPLODES_SMASHED],
2966     " ",
2967     "smashed",                          "element can explode when smashed"
2968   },
2969   {
2970     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2971     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2972     &custom_element_properties[EP_EXPLODES_IMPACT],
2973     " ",
2974     "impact",                           "element can explode on impact"
2975   },
2976
2977   /* ---------- element settings: advanced (custom elements) --------------- */
2978
2979   {
2980     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2981     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2982     &custom_element_change.can_change,
2983     NULL,
2984     "element changes to:",              "change element on specified condition"
2985   },
2986   {
2987     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2988     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2989     &custom_element_change_events[CE_DELAY],
2990     NULL,
2991     NULL,                               "element changes after delay"
2992   },
2993   {
2994     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2995     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2996     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2997     NULL,
2998     NULL,                               "element changes by direct action"
2999   },
3000   {
3001     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3002     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3003     &custom_element_change_events[CE_BY_OTHER_ACTION],
3004     NULL,
3005     NULL,                               "element changes by other element"
3006   },
3007   {
3008     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3009     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3010     &custom_element_change.explode,
3011     NULL,
3012     "explode instead of change",        "element explodes instead of change"
3013   },
3014   {
3015     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3016     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3017     &custom_element_change.use_target_content,
3018     NULL,
3019     "use extended change target:",      "element changes to more elements"
3020   },
3021   {
3022     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3023     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3024     &custom_element_change.only_if_complete,
3025     NULL,
3026     "replace all or nothing",           "only replace when all can be changed"
3027   },
3028   {
3029     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3030     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3031     &custom_element_change.use_random_replace,
3032     NULL,
3033     NULL,                               "use percentage for random replace"
3034   },
3035   {
3036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3037     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3038     &custom_element_change.has_action,
3039     NULL,
3040     NULL,                               "execute action on specified condition"
3041   },
3042 };
3043
3044 static struct
3045 {
3046   int x, y;
3047   int gadget_id;
3048   int gadget_id_align;
3049   int *value;
3050   int area_xsize, area_ysize;
3051   char *text_left, *text_right, *text_below, *infotext;
3052 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3053 {
3054   /* ---------- level playfield content ------------------------------------ */
3055
3056   {
3057     0,                                  0,
3058     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3059     NULL,
3060 #if 1
3061     -1, -1,     /* these values are not constant, but can change at runtime */
3062 #else
3063     MAX_ED_FIELDX, MAX_ED_FIELDY,
3064 #endif
3065     NULL, NULL, NULL,                   NULL
3066   },
3067
3068   /* ---------- yam yam content -------------------------------------------- */
3069
3070   {
3071     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3072     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3073     &level.yamyam_content[0].e[0][0],   3, 3,
3074     NULL, NULL, "1",                    NULL
3075   },
3076   {
3077     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3078     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3079     &level.yamyam_content[1].e[0][0],   3, 3,
3080     NULL, NULL, "2",                    NULL
3081   },
3082   {
3083     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3084     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3085     &level.yamyam_content[2].e[0][0],   3, 3,
3086     NULL, NULL, "3",                    NULL
3087   },
3088   {
3089     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3090     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3091     &level.yamyam_content[3].e[0][0],   3, 3,
3092     NULL, NULL, "4",                    NULL
3093   },
3094   {
3095     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3096     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3097     &level.yamyam_content[4].e[0][0],   3, 3,
3098     NULL, NULL, "5",                    NULL
3099   },
3100   {
3101     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3102     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3103     &level.yamyam_content[5].e[0][0],   3, 3,
3104     NULL, NULL, "6",                    NULL
3105   },
3106   {
3107     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3108     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3109     &level.yamyam_content[6].e[0][0],   3, 3,
3110     NULL, NULL, "7",                    NULL
3111   },
3112   {
3113     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3114     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3115     &level.yamyam_content[7].e[0][0],   3, 3,
3116     NULL, NULL, "8",                    NULL
3117   },
3118
3119   /* ---------- magic ball content ----------------------------------------- */
3120
3121   {
3122     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3123     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3124     &level.ball_content[0].e[0][0],     3, 3,
3125     NULL, NULL, "1",                    NULL
3126   },
3127   {
3128     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3129     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3130     &level.ball_content[1].e[0][0],     3, 3,
3131     NULL, NULL, "2",                    NULL
3132   },
3133   {
3134     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3135     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3136     &level.ball_content[2].e[0][0],     3, 3,
3137     NULL, NULL, "3",                    NULL
3138   },
3139   {
3140     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3141     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3142     &level.ball_content[3].e[0][0],     3, 3,
3143     NULL, NULL, "4",                    NULL
3144   },
3145   {
3146     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3147     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3148     &level.ball_content[4].e[0][0],     3, 3,
3149     NULL, NULL, "5",                    NULL
3150   },
3151   {
3152     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3153     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3154     &level.ball_content[5].e[0][0],     3, 3,
3155     NULL, NULL, "6",                    NULL
3156   },
3157   {
3158     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3159     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3160     &level.ball_content[6].e[0][0],     3, 3,
3161     NULL, NULL, "7",                    NULL
3162   },
3163   {
3164     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3165     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3166     &level.ball_content[7].e[0][0],     3, 3,
3167     NULL, NULL, "8",                    NULL
3168   },
3169
3170   /* ---------- android content -------------------------------------------- */
3171
3172   {
3173     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3174     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3175     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3176     "elements:", NULL, NULL,            "elements android can clone"
3177   },
3178
3179   /* ---------- amoeba content --------------------------------------------- */
3180
3181   {
3182     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3183     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3184     &level.amoeba_content,              1, 1,
3185     "content:", NULL, NULL,             "amoeba content"
3186   },
3187
3188   /* ---------- level start element ---------------------------------------- */
3189
3190   {
3191     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3192     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3193     &level.start_element[0],            1, 1,
3194     NULL, NULL, NULL,                   "level start element"
3195   },
3196
3197   /* ---------- player artwork element ------------------------------------- */
3198
3199   {
3200     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3201     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3202     &level.artwork_element[0],          1, 1,
3203     NULL, NULL, NULL,                   "element for player artwork"
3204   },
3205
3206   /* ---------- player explosion element ----------------------------------- */
3207
3208   {
3209     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3210     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3211     &level.explosion_element[0],        1, 1,
3212     NULL, NULL, NULL,                   "element for player explosion"
3213   },
3214
3215   /* ---------- player initial inventory ----------------------------------- */
3216
3217   {
3218     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3219     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3220     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3221     NULL, NULL, NULL,                   "content for initial inventory"
3222   },
3223
3224   /* ---------- element settings: configure 1 (custom elements) ----------- */
3225
3226   /* ---------- custom graphic --------------------------------------------- */
3227
3228   {
3229     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3230     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3231     &custom_element.gfx_element_initial,1, 1,
3232     NULL, NULL, NULL,                   "custom graphic element"
3233   },
3234
3235   /* ---------- element settings: configure 2 (custom elements) ----------- */
3236
3237   /* ---------- custom content (when exploding) ---------------------------- */
3238
3239   {
3240     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3241     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3242     &custom_element.content.e[0][0],    3, 3,
3243     "content:", NULL, NULL,             NULL
3244   },
3245
3246   /* ---------- custom enter and leave element (when moving) --------------- */
3247
3248   {
3249     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3250     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3251     &custom_element.move_enter_element, 1, 1,
3252     "can dig:", " ", NULL,              "element that can be digged/collected"
3253   },
3254   {
3255     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3256     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3257     &custom_element.move_leave_element, 1, 1,
3258     NULL, NULL, NULL,                   "element that will be left behind"
3259   },
3260
3261   /* ---------- element settings: advanced (custom elements) --------------- */
3262
3263   /* ---------- custom change target --------------------------------------- */
3264
3265   {
3266     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3267     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3268     &custom_element_change.target_element, 1, 1,
3269     NULL, "after/when:", NULL,          "new target element after change"
3270   },
3271
3272   /* ---------- custom change content (extended change target) ------------- */
3273
3274   {
3275     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3276     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3277     &custom_element_change.target_content.e[0][0], 3, 3,
3278     NULL, NULL, NULL,                   "new extended elements after change"
3279   },
3280
3281   /* ---------- custom change trigger (element causing change) ------------- */
3282
3283   {
3284     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3285     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3286     &custom_element_change.initial_trigger_element, 1, 1,
3287     NULL, NULL, NULL,                   "other element triggering change"
3288   },
3289
3290   /* ---------- custom change action (element used for action) ------------- */
3291
3292   {
3293     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3294     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3295     &custom_element_change.action_element, 1, 1,
3296     NULL, NULL, NULL,                   "element used as action parameter"
3297   },
3298
3299   /* ---------- group element content -------------------------------------- */
3300
3301   {
3302     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3303     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3304     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3305     "content:", NULL, NULL,             NULL
3306   },
3307
3308   /* ---------- random background (for random painting) -------------------- */
3309
3310   {
3311     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3312     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3313     &random_placement_background_element, 1, 1,
3314     NULL, NULL, NULL,                   "random placement background"
3315   },
3316 };
3317
3318
3319 /*
3320   -----------------------------------------------------------------------------
3321   some internally used variables
3322   -----------------------------------------------------------------------------
3323 */
3324
3325 /* actual size of level editor drawing area */
3326 #if 1
3327 static int ed_fieldx, ed_fieldy;
3328 #else
3329 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
3330 #endif
3331
3332 /* actual position of level editor drawing area in level playfield */
3333 static int level_xpos = -1, level_ypos = -1;
3334
3335 #if 1
3336 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3337 #else
3338 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
3339 #endif
3340
3341 /* drawing elements on the three mouse buttons */
3342 static int new_element1 = EL_WALL;
3343 static int new_element2 = EL_EMPTY;
3344 static int new_element3 = EL_SAND;
3345
3346 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3347 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3348                                 (button) == 2 ? new_element2 : \
3349                                 (button) == 3 ? new_element3 : EL_EMPTY)
3350 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3351
3352 /* forward declaration for internal use */
3353 static void ModifyEditorCounterValue(int, int);
3354 static void ModifyEditorCounterLimits(int, int, int);
3355 static void ModifyEditorSelectboxValue(int, int);
3356 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3357 static void ModifyEditorDrawingArea(int, int, int);
3358 static void ModifyEditorElementList();
3359 static void AdjustElementListScrollbar();
3360 static void RedrawDrawingElements();
3361 static void DrawDrawingWindow();
3362 static void DrawLevelInfoWindow();
3363 static void DrawPropertiesWindow();
3364 static void UpdateCustomElementGraphicGadgets();
3365 static boolean checkPropertiesConfig(int);
3366 static void CopyLevelToUndoBuffer(int);
3367 static void HandleDrawingAreas(struct GadgetInfo *);
3368 static void HandleCounterButtons(struct GadgetInfo *);
3369 static void HandleTextInputGadgets(struct GadgetInfo *);
3370 static void HandleTextAreaGadgets(struct GadgetInfo *);
3371 static void HandleSelectboxGadgets(struct GadgetInfo *);
3372 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3373 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3374 static void HandleRadiobuttons(struct GadgetInfo *);
3375 static void HandleCheckbuttons(struct GadgetInfo *);
3376 static void HandleControlButtons(struct GadgetInfo *);
3377 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3378 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3379
3380 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
3381 static int right_gadget_border[NUM_EDITOR_GADGETS];
3382
3383 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3384 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3385 static boolean draw_with_brush = FALSE;
3386 static int properties_element = 0;
3387
3388 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3389 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3390 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3391 static int undo_buffer_position = 0;
3392 static int undo_buffer_steps = 0;
3393
3394 static int edit_mode;
3395 static int edit_mode_levelinfo;
3396 static int edit_mode_properties;
3397
3398 static int element_shift = 0;
3399
3400 static int editor_el_players[] =
3401 {
3402   EL_PLAYER_1,
3403   EL_PLAYER_2,
3404   EL_PLAYER_3,
3405   EL_PLAYER_4
3406 };
3407 static int *editor_el_players_ptr = editor_el_players;
3408 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3409
3410 static int editor_hl_boulderdash[] =
3411 {
3412   EL_INTERNAL_CASCADE_BD_ACTIVE,
3413   EL_CHAR('B'),
3414   EL_CHAR('D'),
3415   EL_EMPTY,
3416 };
3417
3418 static int editor_el_boulderdash[] =
3419 {
3420   EL_EMPTY,
3421   EL_SAND,
3422   EL_BD_ROCK,
3423   EL_BD_DIAMOND,
3424
3425   EL_STEELWALL,
3426   EL_BD_WALL,
3427   EL_BD_EXPANDABLE_WALL,
3428   EL_BD_MAGIC_WALL,
3429
3430   EL_BD_AMOEBA,
3431   EL_BD_BUTTERFLY_UP,
3432   EL_BD_FIREFLY_UP,
3433   EL_EXIT_CLOSED,
3434
3435   EL_BD_BUTTERFLY_LEFT,
3436   EL_BD_FIREFLY_LEFT,
3437   EL_BD_BUTTERFLY_RIGHT,
3438   EL_BD_FIREFLY_RIGHT,
3439
3440   EL_EMPTY,
3441   EL_BD_BUTTERFLY_DOWN,
3442   EL_BD_FIREFLY_DOWN,
3443   EL_EXIT_OPEN,
3444 };
3445 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3446 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3447 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3448 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3449
3450 static int editor_hl_emerald_mine[] =
3451 {
3452   EL_INTERNAL_CASCADE_EM_ACTIVE,
3453   EL_CHAR('E'),
3454   EL_CHAR('M'),
3455   EL_EMPTY,
3456 };
3457
3458 static int editor_el_emerald_mine[] =
3459 {
3460   EL_SAND,
3461   EL_ROCK,
3462   EL_QUICKSAND_EMPTY,
3463   EL_QUICKSAND_FULL,
3464
3465   EL_STEELWALL,
3466   EL_WALL,
3467   EL_WALL_SLIPPERY,
3468   EL_MAGIC_WALL,
3469
3470   EL_EMERALD,
3471   EL_DIAMOND,
3472   EL_NUT,
3473   EL_BOMB,
3474
3475   EL_WALL_EMERALD,
3476   EL_WALL_DIAMOND,
3477   EL_DYNAMITE,
3478   EL_DYNAMITE_ACTIVE,
3479
3480   EL_YAMYAM,
3481   EL_BUG_UP,
3482   EL_SPACESHIP_UP,
3483   EL_ROBOT,
3484
3485   EL_BUG_LEFT,
3486   EL_SPACESHIP_LEFT,
3487   EL_BUG_RIGHT,
3488   EL_SPACESHIP_RIGHT,
3489
3490   EL_ROBOT_WHEEL,
3491   EL_BUG_DOWN,
3492   EL_SPACESHIP_DOWN,
3493   EL_INVISIBLE_WALL,
3494
3495   EL_ACID_POOL_TOPLEFT,
3496   EL_ACID,
3497   EL_ACID_POOL_TOPRIGHT,
3498   EL_AMOEBA_DROP,
3499
3500   EL_ACID_POOL_BOTTOMLEFT,
3501   EL_ACID_POOL_BOTTOM,
3502   EL_ACID_POOL_BOTTOMRIGHT,
3503   EL_AMOEBA_WET,
3504
3505   EL_EM_KEY_1,
3506   EL_EM_KEY_2,
3507   EL_EM_KEY_3,
3508   EL_EM_KEY_4,
3509
3510   EL_EM_GATE_1,
3511   EL_EM_GATE_2,
3512   EL_EM_GATE_3,
3513   EL_EM_GATE_4,
3514
3515   EL_EM_GATE_1_GRAY,
3516   EL_EM_GATE_2_GRAY,
3517   EL_EM_GATE_3_GRAY,
3518   EL_EM_GATE_4_GRAY,
3519
3520   EL_EM_EXIT_CLOSED,
3521   EL_EM_EXIT_OPEN,
3522   EL_EM_STEEL_EXIT_CLOSED,
3523   EL_EM_STEEL_EXIT_OPEN,
3524 };
3525 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3526 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3527 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3528 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3529
3530 static int editor_hl_emerald_mine_club[] =
3531 {
3532   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3533   EL_CHAR('E'),
3534   EL_CHAR('M'),
3535   EL_CHAR('C'),
3536 };
3537
3538 static int editor_el_emerald_mine_club[] =
3539 {
3540   EL_EMC_KEY_5,
3541   EL_EMC_KEY_6,
3542   EL_EMC_KEY_7,
3543   EL_EMC_KEY_8,
3544
3545   EL_EMC_GATE_5,
3546   EL_EMC_GATE_6,
3547   EL_EMC_GATE_7,
3548   EL_EMC_GATE_8,
3549
3550   EL_EMC_GATE_5_GRAY,
3551   EL_EMC_GATE_6_GRAY,
3552   EL_EMC_GATE_7_GRAY,
3553   EL_EMC_GATE_8_GRAY,
3554
3555   EL_EMC_STEELWALL_1,
3556   EL_EMC_STEELWALL_2,
3557   EL_EMC_STEELWALL_3,
3558   EL_EMC_STEELWALL_4,
3559
3560   EL_EMC_WALL_13,
3561   EL_EMC_WALL_14,
3562   EL_EMC_WALL_15,
3563   EL_EMC_WALL_16,
3564
3565   EL_EMC_WALL_SLIPPERY_1,
3566   EL_EMC_WALL_SLIPPERY_2,
3567   EL_EMC_WALL_SLIPPERY_3,
3568   EL_EMC_WALL_SLIPPERY_4,
3569
3570   EL_EMC_WALL_1,
3571   EL_EMC_WALL_2,
3572   EL_EMC_WALL_3,
3573   EL_EMC_WALL_4,
3574
3575   EL_EMC_WALL_5,
3576   EL_EMC_WALL_6,
3577   EL_EMC_WALL_7,
3578   EL_EMC_WALL_8,
3579
3580   EL_EMC_WALL_9,
3581   EL_EMC_WALL_10,
3582   EL_EMC_WALL_11,
3583   EL_EMC_WALL_12,
3584
3585   EL_EMC_GRASS,
3586   EL_EMC_FAKE_GRASS,
3587   EL_EMC_PLANT,
3588   EL_EMC_DRIPPER,
3589
3590   EL_EMC_MAGIC_BALL,
3591   EL_EMC_MAGIC_BALL_SWITCH,
3592   EL_SPRING,
3593   EL_EMC_SPRING_BUMPER,
3594
3595   EL_EMC_LENSES,
3596   EL_EMC_MAGNIFIER,
3597   EL_EM_DYNAMITE,
3598   EL_EM_DYNAMITE_ACTIVE,
3599
3600   EL_BALLOON,
3601   EL_YAMYAM_UP,
3602   EL_BALLOON_SWITCH_UP,
3603   EL_BALLOON_SWITCH_ANY,
3604
3605   EL_YAMYAM_LEFT,
3606   EL_BALLOON_SWITCH_LEFT,
3607   EL_YAMYAM_RIGHT,
3608   EL_BALLOON_SWITCH_RIGHT,
3609
3610   EL_EMC_ANDROID,
3611   EL_YAMYAM_DOWN,
3612   EL_BALLOON_SWITCH_DOWN,
3613   EL_BALLOON_SWITCH_NONE,
3614 };
3615 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3616 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3617 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3618 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3619
3620 static int editor_hl_rnd[] =
3621 {
3622   EL_INTERNAL_CASCADE_RND_ACTIVE,
3623   EL_CHAR('R'),
3624   EL_CHAR('N'),
3625   EL_CHAR('D'),
3626 };
3627
3628 static int editor_el_rnd[] =
3629 {
3630   EL_KEY_1,
3631   EL_KEY_2,
3632   EL_KEY_3,
3633   EL_KEY_4,
3634
3635   EL_GATE_1,
3636   EL_GATE_2,
3637   EL_GATE_3,
3638   EL_GATE_4,
3639
3640   EL_GATE_1_GRAY,
3641   EL_GATE_2_GRAY,
3642   EL_GATE_3_GRAY,
3643   EL_GATE_4_GRAY,
3644
3645   EL_ARROW_LEFT,
3646   EL_ARROW_RIGHT,
3647   EL_ARROW_UP,
3648   EL_ARROW_DOWN,
3649
3650   EL_AMOEBA_DEAD,
3651   EL_AMOEBA_DRY,
3652   EL_AMOEBA_FULL,
3653   EL_GAME_OF_LIFE,
3654
3655   EL_EMERALD_YELLOW,
3656   EL_EMERALD_RED,
3657   EL_EMERALD_PURPLE,
3658   EL_BIOMAZE,
3659
3660   EL_WALL_EMERALD_YELLOW,
3661   EL_WALL_EMERALD_RED,
3662   EL_WALL_EMERALD_PURPLE,
3663   EL_WALL_BD_DIAMOND,
3664
3665   EL_SPEED_PILL,
3666   EL_PACMAN_UP,
3667   EL_TIME_ORB_FULL,
3668   EL_TIME_ORB_EMPTY,
3669
3670   EL_PACMAN_LEFT,
3671   EL_DARK_YAMYAM,
3672   EL_PACMAN_RIGHT,
3673   EL_EMPTY,
3674
3675   EL_BLACK_ORB,
3676   EL_PACMAN_DOWN,
3677   EL_LAMP,
3678   EL_LAMP_ACTIVE,
3679
3680   EL_DYNABOMB_INCREASE_NUMBER,
3681   EL_DYNABOMB_INCREASE_SIZE,
3682   EL_DYNABOMB_INCREASE_POWER,
3683   EL_STONEBLOCK,
3684
3685   EL_MOLE,
3686   EL_PENGUIN,
3687   EL_PIG,
3688   EL_DRAGON,
3689
3690   EL_BUG,
3691   EL_MOLE_UP,
3692   EL_BD_BUTTERFLY,
3693   EL_BD_FIREFLY,
3694
3695   EL_MOLE_LEFT,
3696   EL_SATELLITE,
3697   EL_MOLE_RIGHT,
3698   EL_PACMAN,
3699
3700   EL_SPACESHIP,
3701   EL_MOLE_DOWN,
3702   EL_INVISIBLE_STEELWALL,
3703   EL_INVISIBLE_WALL,
3704
3705   EL_EXPANDABLE_WALL,
3706   EL_EXPANDABLE_WALL_HORIZONTAL,
3707   EL_EXPANDABLE_WALL_VERTICAL,
3708   EL_EXPANDABLE_WALL_ANY,
3709 };
3710 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3711 static int *editor_el_rnd_ptr = editor_el_rnd;
3712 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3713 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3714
3715 static int editor_hl_sokoban[] =
3716 {
3717   EL_INTERNAL_CASCADE_SB_ACTIVE,
3718   EL_CHAR('S'),
3719   EL_CHAR('B'),
3720   EL_EMPTY,
3721 };
3722
3723 static int editor_el_sokoban[] =
3724 {
3725   EL_SOKOBAN_OBJECT,
3726   EL_SOKOBAN_FIELD_EMPTY,
3727   EL_SOKOBAN_FIELD_FULL,
3728   EL_SOKOBAN_FIELD_PLAYER,
3729 };
3730 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3731 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3732 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3733 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3734
3735 static int editor_hl_supaplex[] =
3736 {
3737   EL_INTERNAL_CASCADE_SP_ACTIVE,
3738   EL_CHAR('S'),
3739   EL_CHAR('P'),
3740   EL_EMPTY,
3741 };
3742
3743 static int editor_el_supaplex[] =
3744 {
3745   EL_SP_MURPHY,
3746   EL_EMPTY,
3747   EL_SP_BASE,
3748   EL_SP_BUGGY_BASE,
3749
3750   EL_SP_INFOTRON,
3751   EL_SP_ZONK,
3752   EL_SP_SNIKSNAK,
3753   EL_SP_ELECTRON,
3754
3755   EL_SP_DISK_RED,
3756   EL_SP_DISK_ORANGE,
3757   EL_SP_DISK_YELLOW,
3758   EL_SP_TERMINAL,
3759
3760   EL_SP_EXIT_CLOSED,
3761   EL_SP_PORT_HORIZONTAL,
3762   EL_SP_PORT_VERTICAL,
3763   EL_SP_PORT_ANY,
3764
3765   EL_SP_PORT_LEFT,
3766   EL_SP_PORT_RIGHT,
3767   EL_SP_PORT_UP,
3768   EL_SP_PORT_DOWN,
3769
3770   EL_SP_GRAVITY_PORT_LEFT,
3771   EL_SP_GRAVITY_PORT_RIGHT,
3772   EL_SP_GRAVITY_PORT_UP,
3773   EL_SP_GRAVITY_PORT_DOWN,
3774
3775   EL_SP_GRAVITY_ON_PORT_LEFT,
3776   EL_SP_GRAVITY_ON_PORT_RIGHT,
3777   EL_SP_GRAVITY_ON_PORT_UP,
3778   EL_SP_GRAVITY_ON_PORT_DOWN,
3779
3780   EL_SP_GRAVITY_OFF_PORT_LEFT,
3781   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3782   EL_SP_GRAVITY_OFF_PORT_UP,
3783   EL_SP_GRAVITY_OFF_PORT_DOWN,
3784
3785   EL_SP_HARDWARE_GRAY,
3786   EL_SP_HARDWARE_GREEN,
3787   EL_SP_HARDWARE_BLUE,
3788   EL_SP_HARDWARE_RED,
3789
3790   EL_SP_HARDWARE_BASE_1,
3791   EL_SP_HARDWARE_BASE_2,
3792   EL_SP_HARDWARE_BASE_3,
3793   EL_SP_HARDWARE_BASE_4,
3794
3795   EL_SP_HARDWARE_BASE_5,
3796   EL_SP_HARDWARE_BASE_6,
3797   EL_SP_HARDWARE_YELLOW,
3798   EL_SP_CHIP_TOP,
3799
3800   EL_SP_CHIP_SINGLE,
3801   EL_SP_CHIP_LEFT,
3802   EL_SP_CHIP_RIGHT,
3803   EL_SP_CHIP_BOTTOM,
3804 };
3805 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3806 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3807 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3808 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3809
3810 static int editor_hl_diamond_caves[] =
3811 {
3812   EL_INTERNAL_CASCADE_DC_ACTIVE,
3813   EL_CHAR('D'),
3814   EL_CHAR('C'),
3815   EL_CHAR('2'),
3816 };
3817
3818 static int editor_el_diamond_caves[] =
3819 {
3820   EL_PEARL,
3821   EL_CRYSTAL,
3822   EL_WALL_PEARL,
3823   EL_WALL_CRYSTAL,
3824
3825   EL_CONVEYOR_BELT_1_LEFT,
3826   EL_CONVEYOR_BELT_1_MIDDLE,
3827   EL_CONVEYOR_BELT_1_RIGHT,
3828   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3829
3830   EL_CONVEYOR_BELT_2_LEFT,
3831   EL_CONVEYOR_BELT_2_MIDDLE,
3832   EL_CONVEYOR_BELT_2_RIGHT,
3833   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3834
3835   EL_CONVEYOR_BELT_3_LEFT,
3836   EL_CONVEYOR_BELT_3_MIDDLE,
3837   EL_CONVEYOR_BELT_3_RIGHT,
3838   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3839
3840   EL_CONVEYOR_BELT_4_LEFT,
3841   EL_CONVEYOR_BELT_4_MIDDLE,
3842   EL_CONVEYOR_BELT_4_RIGHT,
3843   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3844
3845   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3846   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3847   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3848   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3849
3850   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3851   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3852   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3853   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3854
3855   EL_TIMEGATE_CLOSED,
3856   EL_TIMEGATE_OPEN,
3857   EL_TIMEGATE_SWITCH,
3858   EL_DC_TIMEGATE_SWITCH,
3859
3860   EL_SWITCHGATE_CLOSED,
3861   EL_SWITCHGATE_OPEN,
3862   EL_SWITCHGATE_SWITCH_UP,
3863   EL_SWITCHGATE_SWITCH_DOWN,
3864
3865   EL_LIGHT_SWITCH,
3866   EL_LIGHT_SWITCH_ACTIVE,
3867   EL_DC_SWITCHGATE_SWITCH_UP,
3868   EL_DC_SWITCHGATE_SWITCH_DOWN,
3869
3870   EL_STEEL_EXIT_CLOSED,
3871   EL_STEEL_EXIT_OPEN,
3872   EL_STEELWALL_SLIPPERY,
3873   EL_INVISIBLE_SAND,
3874
3875   EL_QUICKSAND_FAST_EMPTY,
3876   EL_QUICKSAND_FAST_FULL,
3877   EL_LANDMINE,
3878   EL_DC_LANDMINE,
3879
3880   EL_SHIELD_NORMAL,
3881   EL_SHIELD_DEADLY,
3882   EL_EXTRA_TIME,
3883   EL_DC_MAGIC_WALL,
3884
3885   EL_ENVELOPE_1,
3886   EL_ENVELOPE_2,
3887   EL_ENVELOPE_3,
3888   EL_ENVELOPE_4,
3889
3890   EL_SIGN_RADIOACTIVITY,
3891   EL_SIGN_WHEELCHAIR,
3892   EL_SIGN_PARKING,
3893   EL_SIGN_NO_ENTRY,
3894
3895   EL_SIGN_GIVE_WAY,
3896   EL_SIGN_ENTRY_FORBIDDEN,
3897   EL_SIGN_EMERGENCY_EXIT,
3898   EL_SIGN_YIN_YANG,
3899
3900 #if 0
3901   EL_SIGN_SPERMS,
3902   EL_SIGN_BULLET,
3903   EL_SIGN_HEART,
3904   EL_SIGN_CROSS,
3905
3906   EL_SIGN_FRANKIE,
3907   EL_EMPTY,
3908   EL_EMPTY,
3909   EL_EMPTY,
3910
3911   EL_SPERMS,
3912   EL_BULLET,
3913   EL_HEART,
3914   EL_CROSS,
3915
3916   EL_FRANKIE,
3917   EL_EMPTY,
3918   EL_EMPTY,
3919   EL_EMPTY,
3920 #endif
3921
3922   EL_DC_STEELWALL_2_SINGLE,
3923   EL_DC_STEELWALL_2_TOP,
3924   EL_SIGN_EXCLAMATION,
3925   EL_SIGN_STOP,
3926
3927   EL_DC_STEELWALL_2_LEFT,
3928   EL_DC_STEELWALL_2_MIDDLE,
3929   EL_DC_STEELWALL_2_HORIZONTAL,
3930   EL_DC_STEELWALL_2_RIGHT,
3931
3932   EL_DC_STEELWALL_1_TOPLEFT,
3933   EL_DC_STEELWALL_2_VERTICAL,
3934   EL_DC_STEELWALL_1_TOPRIGHT,
3935   EL_DC_GATE_WHITE,
3936
3937   EL_DC_STEELWALL_1_VERTICAL,
3938   EL_DC_STEELWALL_2_BOTTOM,
3939   EL_DC_KEY_WHITE,
3940   EL_DC_GATE_WHITE_GRAY,
3941
3942   EL_DC_STEELWALL_1_BOTTOMLEFT,
3943   EL_DC_STEELWALL_1_HORIZONTAL,
3944   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3945   EL_DC_GATE_FAKE_GRAY,
3946
3947   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3948   EL_DC_STEELWALL_1_BOTTOM,
3949   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3950   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3951
3952   EL_DC_STEELWALL_1_RIGHT,
3953   EL_EMPTY,
3954   EL_DC_STEELWALL_1_LEFT,
3955   EL_EXPANDABLE_STEELWALL_VERTICAL,
3956
3957   EL_DC_STEELWALL_1_TOPRIGHT_2,
3958   EL_DC_STEELWALL_1_TOP,
3959   EL_DC_STEELWALL_1_TOPLEFT_2,
3960   EL_EXPANDABLE_STEELWALL_ANY,
3961 };
3962 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3963 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3964 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3965 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3966
3967 static int editor_hl_dx_boulderdash[] =
3968 {
3969   EL_INTERNAL_CASCADE_DX_ACTIVE,
3970   EL_CHAR('D'),
3971   EL_CHAR('X'),
3972   EL_EMPTY,
3973 };
3974
3975 static int editor_el_dx_boulderdash[] =
3976 {
3977   EL_EMPTY,
3978   EL_TUBE_RIGHT_DOWN,
3979   EL_TUBE_HORIZONTAL_DOWN,
3980   EL_TUBE_LEFT_DOWN,
3981
3982   EL_TUBE_HORIZONTAL,
3983   EL_TUBE_VERTICAL_RIGHT,
3984   EL_TUBE_ANY,
3985   EL_TUBE_VERTICAL_LEFT,
3986
3987   EL_TUBE_VERTICAL,
3988   EL_TUBE_RIGHT_UP,
3989   EL_TUBE_HORIZONTAL_UP,
3990   EL_TUBE_LEFT_UP,
3991
3992   EL_TRAP,
3993   EL_DX_SUPABOMB,
3994   EL_EMPTY,
3995   EL_EMPTY
3996 };
3997 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3998 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3999 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4000 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4001
4002 static int editor_hl_chars[] =
4003 {
4004   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4005   EL_CHAR('T'),
4006   EL_CHAR('X'),
4007   EL_CHAR('T'),
4008 };
4009
4010 static int editor_el_chars[] =
4011 {
4012   EL_CHAR(' '),
4013   EL_CHAR('!'),
4014   EL_CHAR('"'),
4015   EL_CHAR('#'),
4016
4017   EL_CHAR('$'),
4018   EL_CHAR('%'),
4019   EL_CHAR('&'),
4020   EL_CHAR('\''),
4021
4022   EL_CHAR('('),
4023   EL_CHAR(')'),
4024   EL_CHAR('*'),
4025   EL_CHAR('+'),
4026
4027   EL_CHAR(','),
4028   EL_CHAR('-'),
4029   EL_CHAR('.'),
4030   EL_CHAR('/'),
4031
4032   EL_CHAR('0'),
4033   EL_CHAR('1'),
4034   EL_CHAR('2'),
4035   EL_CHAR('3'),
4036
4037   EL_CHAR('4'),
4038   EL_CHAR('5'),
4039   EL_CHAR('6'),
4040   EL_CHAR('7'),
4041
4042   EL_CHAR('8'),
4043   EL_CHAR('9'),
4044   EL_CHAR(':'),
4045   EL_CHAR(';'),
4046
4047   EL_CHAR('<'),
4048   EL_CHAR('='),
4049   EL_CHAR('>'),
4050   EL_CHAR('?'),
4051
4052   EL_CHAR('@'),
4053   EL_CHAR('A'),
4054   EL_CHAR('B'),
4055   EL_CHAR('C'),
4056
4057   EL_CHAR('D'),
4058   EL_CHAR('E'),
4059   EL_CHAR('F'),
4060   EL_CHAR('G'),
4061
4062   EL_CHAR('H'),
4063   EL_CHAR('I'),
4064   EL_CHAR('J'),
4065   EL_CHAR('K'),
4066
4067   EL_CHAR('L'),
4068   EL_CHAR('M'),
4069   EL_CHAR('N'),
4070   EL_CHAR('O'),
4071
4072   EL_CHAR('P'),
4073   EL_CHAR('Q'),
4074   EL_CHAR('R'),
4075   EL_CHAR('S'),
4076
4077   EL_CHAR('T'),
4078   EL_CHAR('U'),
4079   EL_CHAR('V'),
4080   EL_CHAR('W'),
4081
4082   EL_CHAR('X'),
4083   EL_CHAR('Y'),
4084   EL_CHAR('Z'),
4085   EL_CHAR('['),
4086
4087   EL_CHAR('\\'),
4088   EL_CHAR(']'),
4089   EL_CHAR('^'),
4090   EL_CHAR('_'),
4091
4092   EL_CHAR('©'),
4093   EL_CHAR('Ä'),
4094   EL_CHAR('Ö'),
4095   EL_CHAR('Ü'),
4096
4097   EL_CHAR('°'),
4098   EL_CHAR('®'),
4099   EL_CHAR(FONT_ASCII_CURSOR),
4100   EL_CHAR(FONT_ASCII_BUTTON),
4101
4102   EL_CHAR(FONT_ASCII_UP),
4103   EL_CHAR(FONT_ASCII_DOWN),
4104   EL_CHAR(' '),
4105   EL_CHAR(' ')
4106 };
4107 static int *editor_hl_chars_ptr = editor_hl_chars;
4108 static int *editor_el_chars_ptr = editor_el_chars;
4109 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4110 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4111
4112 static int editor_hl_steel_chars[] =
4113 {
4114   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4115   EL_STEEL_CHAR('T'),
4116   EL_STEEL_CHAR('X'),
4117   EL_STEEL_CHAR('T'),
4118 };
4119
4120 static int editor_el_steel_chars[] =
4121 {
4122   EL_STEEL_CHAR(' '),
4123   EL_STEEL_CHAR('!'),
4124   EL_STEEL_CHAR('"'),
4125   EL_STEEL_CHAR('#'),
4126
4127   EL_STEEL_CHAR('$'),
4128   EL_STEEL_CHAR('%'),
4129   EL_STEEL_CHAR('&'),
4130   EL_STEEL_CHAR('\''),
4131
4132   EL_STEEL_CHAR('('),
4133   EL_STEEL_CHAR(')'),
4134   EL_STEEL_CHAR('*'),
4135   EL_STEEL_CHAR('+'),
4136
4137   EL_STEEL_CHAR(','),
4138   EL_STEEL_CHAR('-'),
4139   EL_STEEL_CHAR('.'),
4140   EL_STEEL_CHAR('/'),
4141
4142   EL_STEEL_CHAR('0'),
4143   EL_STEEL_CHAR('1'),
4144   EL_STEEL_CHAR('2'),
4145   EL_STEEL_CHAR('3'),
4146
4147   EL_STEEL_CHAR('4'),
4148   EL_STEEL_CHAR('5'),
4149   EL_STEEL_CHAR('6'),
4150   EL_STEEL_CHAR('7'),
4151
4152   EL_STEEL_CHAR('8'),
4153   EL_STEEL_CHAR('9'),
4154   EL_STEEL_CHAR(':'),
4155   EL_STEEL_CHAR(';'),
4156
4157   EL_STEEL_CHAR('<'),
4158   EL_STEEL_CHAR('='),
4159   EL_STEEL_CHAR('>'),
4160   EL_STEEL_CHAR('?'),
4161
4162   EL_STEEL_CHAR('@'),
4163   EL_STEEL_CHAR('A'),
4164   EL_STEEL_CHAR('B'),
4165   EL_STEEL_CHAR('C'),
4166
4167   EL_STEEL_CHAR('D'),
4168   EL_STEEL_CHAR('E'),
4169   EL_STEEL_CHAR('F'),
4170   EL_STEEL_CHAR('G'),
4171
4172   EL_STEEL_CHAR('H'),
4173   EL_STEEL_CHAR('I'),
4174   EL_STEEL_CHAR('J'),
4175   EL_STEEL_CHAR('K'),
4176
4177   EL_STEEL_CHAR('L'),
4178   EL_STEEL_CHAR('M'),
4179   EL_STEEL_CHAR('N'),
4180   EL_STEEL_CHAR('O'),
4181
4182   EL_STEEL_CHAR('P'),
4183   EL_STEEL_CHAR('Q'),
4184   EL_STEEL_CHAR('R'),
4185   EL_STEEL_CHAR('S'),
4186
4187   EL_STEEL_CHAR('T'),
4188   EL_STEEL_CHAR('U'),
4189   EL_STEEL_CHAR('V'),
4190   EL_STEEL_CHAR('W'),
4191
4192   EL_STEEL_CHAR('X'),
4193   EL_STEEL_CHAR('Y'),
4194   EL_STEEL_CHAR('Z'),
4195   EL_STEEL_CHAR('['),
4196
4197   EL_STEEL_CHAR('\\'),
4198   EL_STEEL_CHAR(']'),
4199   EL_STEEL_CHAR('^'),
4200   EL_STEEL_CHAR('_'),
4201
4202   EL_STEEL_CHAR('©'),
4203   EL_STEEL_CHAR('Ä'),
4204   EL_STEEL_CHAR('Ö'),
4205   EL_STEEL_CHAR('Ü'),
4206
4207   EL_STEEL_CHAR('°'),
4208   EL_STEEL_CHAR('®'),
4209   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4210   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4211
4212   EL_STEEL_CHAR(FONT_ASCII_UP),
4213   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4214   EL_STEEL_CHAR(' '),
4215   EL_STEEL_CHAR(' ')
4216 };
4217 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4218 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4219 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4220 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4221
4222 static int editor_hl_custom[] =
4223 {
4224   EL_INTERNAL_CASCADE_CE_ACTIVE,
4225   EL_CHAR('C'),
4226   EL_CHAR('E'),
4227   EL_EMPTY,
4228 };
4229
4230 static int editor_el_custom[] =
4231 {
4232   EL_CUSTOM_START + 0,
4233   EL_CUSTOM_START + 1,
4234   EL_CUSTOM_START + 2,
4235   EL_CUSTOM_START + 3,
4236
4237   EL_CUSTOM_START + 4,
4238   EL_CUSTOM_START + 5,
4239   EL_CUSTOM_START + 6,
4240   EL_CUSTOM_START + 7,
4241
4242   EL_CUSTOM_START + 8,
4243   EL_CUSTOM_START + 9,
4244   EL_CUSTOM_START + 10,
4245   EL_CUSTOM_START + 11,
4246
4247   EL_CUSTOM_START + 12,
4248   EL_CUSTOM_START + 13,
4249   EL_CUSTOM_START + 14,
4250   EL_CUSTOM_START + 15,
4251
4252   EL_CUSTOM_START + 16,
4253   EL_CUSTOM_START + 17,
4254   EL_CUSTOM_START + 18,
4255   EL_CUSTOM_START + 19,
4256
4257   EL_CUSTOM_START + 20,
4258   EL_CUSTOM_START + 21,
4259   EL_CUSTOM_START + 22,
4260   EL_CUSTOM_START + 23,
4261
4262   EL_CUSTOM_START + 24,
4263   EL_CUSTOM_START + 25,
4264   EL_CUSTOM_START + 26,
4265   EL_CUSTOM_START + 27,
4266
4267   EL_CUSTOM_START + 28,
4268   EL_CUSTOM_START + 29,
4269   EL_CUSTOM_START + 30,
4270   EL_CUSTOM_START + 31,
4271
4272   EL_CUSTOM_START + 32,
4273   EL_CUSTOM_START + 33,
4274   EL_CUSTOM_START + 34,
4275   EL_CUSTOM_START + 35,
4276
4277   EL_CUSTOM_START + 36,
4278   EL_CUSTOM_START + 37,
4279   EL_CUSTOM_START + 38,
4280   EL_CUSTOM_START + 39,
4281
4282   EL_CUSTOM_START + 40,
4283   EL_CUSTOM_START + 41,
4284   EL_CUSTOM_START + 42,
4285   EL_CUSTOM_START + 43,
4286
4287   EL_CUSTOM_START + 44,
4288   EL_CUSTOM_START + 45,
4289   EL_CUSTOM_START + 46,
4290   EL_CUSTOM_START + 47,
4291
4292   EL_CUSTOM_START + 48,
4293   EL_CUSTOM_START + 49,
4294   EL_CUSTOM_START + 50,
4295   EL_CUSTOM_START + 51,
4296
4297   EL_CUSTOM_START + 52,
4298   EL_CUSTOM_START + 53,
4299   EL_CUSTOM_START + 54,
4300   EL_CUSTOM_START + 55,
4301
4302   EL_CUSTOM_START + 56,
4303   EL_CUSTOM_START + 57,
4304   EL_CUSTOM_START + 58,
4305   EL_CUSTOM_START + 59,
4306
4307   EL_CUSTOM_START + 60,
4308   EL_CUSTOM_START + 61,
4309   EL_CUSTOM_START + 62,
4310   EL_CUSTOM_START + 63,
4311
4312   EL_CUSTOM_START + 64,
4313   EL_CUSTOM_START + 65,
4314   EL_CUSTOM_START + 66,
4315   EL_CUSTOM_START + 67,
4316
4317   EL_CUSTOM_START + 68,
4318   EL_CUSTOM_START + 69,
4319   EL_CUSTOM_START + 70,
4320   EL_CUSTOM_START + 71,
4321
4322   EL_CUSTOM_START + 72,
4323   EL_CUSTOM_START + 73,
4324   EL_CUSTOM_START + 74,
4325   EL_CUSTOM_START + 75,
4326
4327   EL_CUSTOM_START + 76,
4328   EL_CUSTOM_START + 77,
4329   EL_CUSTOM_START + 78,
4330   EL_CUSTOM_START + 79,
4331
4332   EL_CUSTOM_START + 80,
4333   EL_CUSTOM_START + 81,
4334   EL_CUSTOM_START + 82,
4335   EL_CUSTOM_START + 83,
4336
4337   EL_CUSTOM_START + 84,
4338   EL_CUSTOM_START + 85,
4339   EL_CUSTOM_START + 86,
4340   EL_CUSTOM_START + 87,
4341
4342   EL_CUSTOM_START + 88,
4343   EL_CUSTOM_START + 89,
4344   EL_CUSTOM_START + 90,
4345   EL_CUSTOM_START + 91,
4346
4347   EL_CUSTOM_START + 92,
4348   EL_CUSTOM_START + 93,
4349   EL_CUSTOM_START + 94,
4350   EL_CUSTOM_START + 95,
4351
4352   EL_CUSTOM_START + 96,
4353   EL_CUSTOM_START + 97,
4354   EL_CUSTOM_START + 98,
4355   EL_CUSTOM_START + 99,
4356
4357   EL_CUSTOM_START + 100,
4358   EL_CUSTOM_START + 101,
4359   EL_CUSTOM_START + 102,
4360   EL_CUSTOM_START + 103,
4361
4362   EL_CUSTOM_START + 104,
4363   EL_CUSTOM_START + 105,
4364   EL_CUSTOM_START + 106,
4365   EL_CUSTOM_START + 107,
4366
4367   EL_CUSTOM_START + 108,
4368   EL_CUSTOM_START + 109,
4369   EL_CUSTOM_START + 110,
4370   EL_CUSTOM_START + 111,
4371
4372   EL_CUSTOM_START + 112,
4373   EL_CUSTOM_START + 113,
4374   EL_CUSTOM_START + 114,
4375   EL_CUSTOM_START + 115,
4376
4377   EL_CUSTOM_START + 116,
4378   EL_CUSTOM_START + 117,
4379   EL_CUSTOM_START + 118,
4380   EL_CUSTOM_START + 119,
4381
4382   EL_CUSTOM_START + 120,
4383   EL_CUSTOM_START + 121,
4384   EL_CUSTOM_START + 122,
4385   EL_CUSTOM_START + 123,
4386
4387   EL_CUSTOM_START + 124,
4388   EL_CUSTOM_START + 125,
4389   EL_CUSTOM_START + 126,
4390   EL_CUSTOM_START + 127,
4391
4392   EL_CUSTOM_START + 128,
4393   EL_CUSTOM_START + 129,
4394   EL_CUSTOM_START + 130,
4395   EL_CUSTOM_START + 131,
4396
4397   EL_CUSTOM_START + 132,
4398   EL_CUSTOM_START + 133,
4399   EL_CUSTOM_START + 134,
4400   EL_CUSTOM_START + 135,
4401
4402   EL_CUSTOM_START + 136,
4403   EL_CUSTOM_START + 137,
4404   EL_CUSTOM_START + 138,
4405   EL_CUSTOM_START + 139,
4406
4407   EL_CUSTOM_START + 140,
4408   EL_CUSTOM_START + 141,
4409   EL_CUSTOM_START + 142,
4410   EL_CUSTOM_START + 143,
4411
4412   EL_CUSTOM_START + 144,
4413   EL_CUSTOM_START + 145,
4414   EL_CUSTOM_START + 146,
4415   EL_CUSTOM_START + 147,
4416
4417   EL_CUSTOM_START + 148,
4418   EL_CUSTOM_START + 149,
4419   EL_CUSTOM_START + 150,
4420   EL_CUSTOM_START + 151,
4421
4422   EL_CUSTOM_START + 152,
4423   EL_CUSTOM_START + 153,
4424   EL_CUSTOM_START + 154,
4425   EL_CUSTOM_START + 155,
4426
4427   EL_CUSTOM_START + 156,
4428   EL_CUSTOM_START + 157,
4429   EL_CUSTOM_START + 158,
4430   EL_CUSTOM_START + 159,
4431
4432   EL_CUSTOM_START + 160,
4433   EL_CUSTOM_START + 161,
4434   EL_CUSTOM_START + 162,
4435   EL_CUSTOM_START + 163,
4436
4437   EL_CUSTOM_START + 164,
4438   EL_CUSTOM_START + 165,
4439   EL_CUSTOM_START + 166,
4440   EL_CUSTOM_START + 167,
4441
4442   EL_CUSTOM_START + 168,
4443   EL_CUSTOM_START + 169,
4444   EL_CUSTOM_START + 170,
4445   EL_CUSTOM_START + 171,
4446
4447   EL_CUSTOM_START + 172,
4448   EL_CUSTOM_START + 173,
4449   EL_CUSTOM_START + 174,
4450   EL_CUSTOM_START + 175,
4451
4452   EL_CUSTOM_START + 176,
4453   EL_CUSTOM_START + 177,
4454   EL_CUSTOM_START + 178,
4455   EL_CUSTOM_START + 179,
4456
4457   EL_CUSTOM_START + 180,
4458   EL_CUSTOM_START + 181,
4459   EL_CUSTOM_START + 182,
4460   EL_CUSTOM_START + 183,
4461
4462   EL_CUSTOM_START + 184,
4463   EL_CUSTOM_START + 185,
4464   EL_CUSTOM_START + 186,
4465   EL_CUSTOM_START + 187,
4466
4467   EL_CUSTOM_START + 188,
4468   EL_CUSTOM_START + 189,
4469   EL_CUSTOM_START + 190,
4470   EL_CUSTOM_START + 191,
4471
4472   EL_CUSTOM_START + 192,
4473   EL_CUSTOM_START + 193,
4474   EL_CUSTOM_START + 194,
4475   EL_CUSTOM_START + 195,
4476
4477   EL_CUSTOM_START + 196,
4478   EL_CUSTOM_START + 197,
4479   EL_CUSTOM_START + 198,
4480   EL_CUSTOM_START + 199,
4481
4482   EL_CUSTOM_START + 200,
4483   EL_CUSTOM_START + 201,
4484   EL_CUSTOM_START + 202,
4485   EL_CUSTOM_START + 203,
4486
4487   EL_CUSTOM_START + 204,
4488   EL_CUSTOM_START + 205,
4489   EL_CUSTOM_START + 206,
4490   EL_CUSTOM_START + 207,
4491
4492   EL_CUSTOM_START + 208,
4493   EL_CUSTOM_START + 209,
4494   EL_CUSTOM_START + 210,
4495   EL_CUSTOM_START + 211,
4496
4497   EL_CUSTOM_START + 212,
4498   EL_CUSTOM_START + 213,
4499   EL_CUSTOM_START + 214,
4500   EL_CUSTOM_START + 215,
4501
4502   EL_CUSTOM_START + 216,
4503   EL_CUSTOM_START + 217,
4504   EL_CUSTOM_START + 218,
4505   EL_CUSTOM_START + 219,
4506
4507   EL_CUSTOM_START + 220,
4508   EL_CUSTOM_START + 221,
4509   EL_CUSTOM_START + 222,
4510   EL_CUSTOM_START + 223,
4511
4512   EL_CUSTOM_START + 224,
4513   EL_CUSTOM_START + 225,
4514   EL_CUSTOM_START + 226,
4515   EL_CUSTOM_START + 227,
4516
4517   EL_CUSTOM_START + 228,
4518   EL_CUSTOM_START + 229,
4519   EL_CUSTOM_START + 230,
4520   EL_CUSTOM_START + 231,
4521
4522   EL_CUSTOM_START + 232,
4523   EL_CUSTOM_START + 233,
4524   EL_CUSTOM_START + 234,
4525   EL_CUSTOM_START + 235,
4526
4527   EL_CUSTOM_START + 236,
4528   EL_CUSTOM_START + 237,
4529   EL_CUSTOM_START + 238,
4530   EL_CUSTOM_START + 239,
4531
4532   EL_CUSTOM_START + 240,
4533   EL_CUSTOM_START + 241,
4534   EL_CUSTOM_START + 242,
4535   EL_CUSTOM_START + 243,
4536
4537   EL_CUSTOM_START + 244,
4538   EL_CUSTOM_START + 245,
4539   EL_CUSTOM_START + 246,
4540   EL_CUSTOM_START + 247,
4541
4542   EL_CUSTOM_START + 248,
4543   EL_CUSTOM_START + 249,
4544   EL_CUSTOM_START + 250,
4545   EL_CUSTOM_START + 251,
4546
4547   EL_CUSTOM_START + 252,
4548   EL_CUSTOM_START + 253,
4549   EL_CUSTOM_START + 254,
4550   EL_CUSTOM_START + 255
4551 };
4552 static int *editor_hl_custom_ptr = editor_hl_custom;
4553 static int *editor_el_custom_ptr = editor_el_custom;
4554 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4555 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4556
4557 static int editor_hl_group[] =
4558 {
4559   EL_INTERNAL_CASCADE_GE_ACTIVE,
4560   EL_CHAR('G'),
4561   EL_CHAR('E'),
4562   EL_EMPTY,
4563 };
4564
4565 static int editor_el_group[] =
4566 {
4567   EL_GROUP_START + 0,
4568   EL_GROUP_START + 1,
4569   EL_GROUP_START + 2,
4570   EL_GROUP_START + 3,
4571
4572   EL_GROUP_START + 4,
4573   EL_GROUP_START + 5,
4574   EL_GROUP_START + 6,
4575   EL_GROUP_START + 7,
4576
4577   EL_GROUP_START + 8,
4578   EL_GROUP_START + 9,
4579   EL_GROUP_START + 10,
4580   EL_GROUP_START + 11,
4581
4582   EL_GROUP_START + 12,
4583   EL_GROUP_START + 13,
4584   EL_GROUP_START + 14,
4585   EL_GROUP_START + 15,
4586
4587   EL_GROUP_START + 16,
4588   EL_GROUP_START + 17,
4589   EL_GROUP_START + 18,
4590   EL_GROUP_START + 19,
4591
4592   EL_GROUP_START + 20,
4593   EL_GROUP_START + 21,
4594   EL_GROUP_START + 22,
4595   EL_GROUP_START + 23,
4596
4597   EL_GROUP_START + 24,
4598   EL_GROUP_START + 25,
4599   EL_GROUP_START + 26,
4600   EL_GROUP_START + 27,
4601
4602   EL_GROUP_START + 28,
4603   EL_GROUP_START + 29,
4604   EL_GROUP_START + 30,
4605   EL_GROUP_START + 31
4606 };
4607 static int *editor_hl_group_ptr = editor_hl_group;
4608 static int *editor_el_group_ptr = editor_el_group;
4609 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4610 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4611
4612 static int editor_hl_reference[] =
4613 {
4614   EL_INTERNAL_CASCADE_REF_ACTIVE,
4615   EL_CHAR('R'),
4616   EL_CHAR('E'),
4617   EL_CHAR('F')
4618 };
4619
4620 static int editor_el_reference[] =
4621 {
4622   EL_TRIGGER_PLAYER,
4623   EL_TRIGGER_ELEMENT,
4624   EL_TRIGGER_CE_VALUE,
4625   EL_TRIGGER_CE_SCORE,
4626
4627   EL_SELF,
4628   EL_ANY_ELEMENT,
4629   EL_CURRENT_CE_VALUE,
4630   EL_CURRENT_CE_SCORE,
4631
4632   EL_PREV_CE_8,
4633   EL_PREV_CE_7,
4634   EL_PREV_CE_6,
4635   EL_PREV_CE_5,
4636
4637   EL_PREV_CE_4,
4638   EL_PREV_CE_3,
4639   EL_PREV_CE_2,
4640   EL_PREV_CE_1,
4641
4642   EL_NEXT_CE_1,
4643   EL_NEXT_CE_2,
4644   EL_NEXT_CE_3,
4645   EL_NEXT_CE_4,
4646
4647   EL_NEXT_CE_5,
4648   EL_NEXT_CE_6,
4649   EL_NEXT_CE_7,
4650   EL_NEXT_CE_8,
4651 };
4652 static int *editor_hl_reference_ptr = editor_hl_reference;
4653 static int *editor_el_reference_ptr = editor_el_reference;
4654 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4655 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4656
4657 static int editor_hl_user_defined[] =
4658 {
4659   EL_INTERNAL_CASCADE_USER_ACTIVE,
4660   EL_CHAR('M'),
4661   EL_CHAR('Y'),
4662   EL_EMPTY,
4663 };
4664
4665 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4666 static int *editor_el_user_defined_ptr = NULL;
4667 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4668 static int num_editor_el_user_defined = 0;
4669
4670 static int editor_hl_dynamic[] =
4671 {
4672   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4673   EL_CHAR('U'),
4674   EL_CHAR('S'),
4675   EL_CHAR('E'),
4676 };
4677
4678 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4679 static int *editor_el_dynamic_ptr = NULL;
4680 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4681 static int num_editor_el_dynamic = 0;
4682
4683 static int editor_hl_empty[] = { };
4684 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
4685
4686 static int *editor_hl_empty_ptr = editor_hl_empty;
4687 static int *editor_el_empty_ptr = editor_el_empty;
4688 static int num_editor_hl_empty = 0;
4689 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4690
4691 static boolean use_el_empty = FALSE;
4692
4693 static int *editor_elements = NULL;     /* dynamically allocated */
4694 static int num_editor_elements = 0;     /* dynamically determined */
4695
4696 static boolean setup_editor_show_always = TRUE;
4697 static boolean setup_editor_cascade_never = FALSE;
4698
4699 static int editor_hl_unused[] = { EL_EMPTY };
4700 static int *editor_hl_unused_ptr = editor_hl_unused;
4701 static int num_editor_hl_unused = 0;
4702
4703 static struct
4704 {
4705   boolean *setup_value;
4706   boolean *setup_cascade_value;
4707
4708   int **headline_list;
4709   int *headline_list_size;
4710
4711   int **element_list;
4712   int *element_list_size;
4713
4714   boolean last_setup_value;
4715 }
4716 editor_elements_info[] =
4717 {
4718   {
4719     &setup_editor_show_always,
4720     &setup_editor_cascade_never,
4721     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4722     &editor_el_players_ptr,             &num_editor_el_players
4723   },
4724   {
4725     &setup.editor.el_boulderdash,
4726     &setup.editor_cascade.el_bd,
4727     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4728     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4729   },
4730   {
4731     &setup.editor.el_emerald_mine,
4732     &setup.editor_cascade.el_em,
4733     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4734     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4735   },
4736   {
4737     &setup.editor.el_emerald_mine_club,
4738     &setup.editor_cascade.el_emc,
4739     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4740     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4741   },
4742   {
4743     &setup.editor.el_more,
4744     &setup.editor_cascade.el_rnd,
4745     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4746     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4747   },
4748   {
4749     &setup.editor.el_sokoban,
4750     &setup.editor_cascade.el_sb,
4751     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4752     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4753   },
4754   {
4755     &setup.editor.el_supaplex,
4756     &setup.editor_cascade.el_sp,
4757     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4758     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4759   },
4760   {
4761     &setup.editor.el_diamond_caves,
4762     &setup.editor_cascade.el_dc,
4763     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4764     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4765   },
4766   {
4767     &setup.editor.el_dx_boulderdash,
4768     &setup.editor_cascade.el_dx,
4769     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4770     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4771   },
4772   {
4773     &setup.editor.el_chars,
4774     &setup.editor_cascade.el_chars,
4775     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4776     &editor_el_chars_ptr,               &num_editor_el_chars
4777   },
4778   {
4779     &setup.editor.el_steel_chars,
4780     &setup.editor_cascade.el_steel_chars,
4781     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4782     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4783   },
4784   {
4785     &setup.editor.el_custom,
4786     &setup.editor_cascade.el_ce,
4787     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4788     &editor_el_custom_ptr,              &num_editor_el_custom
4789   },
4790   {
4791     &setup.editor.el_custom,
4792     &setup.editor_cascade.el_ge,
4793     &editor_hl_group_ptr,               &num_editor_hl_group,
4794     &editor_el_group_ptr,               &num_editor_el_group
4795   },
4796   {
4797     &setup.editor.el_custom,
4798     &setup.editor_cascade.el_ref,
4799     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4800     &editor_el_reference_ptr,           &num_editor_el_reference
4801   },
4802   {
4803     &setup.editor.el_user_defined,
4804     &setup.editor_cascade.el_user,
4805     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4806     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4807   },
4808   {
4809     &setup.editor.el_dynamic,
4810     &setup.editor_cascade.el_dynamic,
4811     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4812     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4813   },
4814   {
4815     &use_el_empty,
4816     &use_el_empty,
4817     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4818     &editor_el_empty_ptr,               &num_editor_el_empty,
4819   },
4820   {
4821     NULL,
4822     NULL,
4823     NULL,                               NULL,
4824     NULL,                               NULL
4825   }
4826 };
4827
4828
4829 /*
4830   -----------------------------------------------------------------------------
4831   functions
4832   -----------------------------------------------------------------------------
4833 */
4834
4835 static int getMaxInfoTextLength()
4836 {
4837   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4838 }
4839
4840 static int getTextWidthForGadget(char *text)
4841 {
4842   if (text == NULL)
4843     return 0;
4844
4845   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4846 }
4847
4848 static int getTextWidthForDrawingArea(char *text)
4849 {
4850   if (text == NULL)
4851     return 0;
4852
4853   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4854 }
4855
4856 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4857 {
4858   return (gi->x + gi->width + getTextWidthForGadget(text));
4859 }
4860
4861 static char *getElementInfoText(int element)
4862 {
4863   char *info_text = NULL;
4864
4865   if (element < MAX_NUM_ELEMENTS)
4866   {
4867     if (strlen(element_info[element].description) > 0)
4868       info_text = element_info[element].description;
4869     else if (element_info[element].custom_description != NULL)
4870       info_text = element_info[element].custom_description;
4871     else if (element_info[element].editor_description != NULL)
4872       info_text = element_info[element].editor_description;
4873   }
4874
4875   if (info_text == NULL)
4876     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4877
4878   return info_text;
4879 }
4880
4881 char *getElementDescriptionFilename(int element)
4882 {
4883   char *docs_dir = options.docs_directory;
4884   char *elements_subdir = "elements";
4885   static char *filename = NULL;
4886   char basename[MAX_FILENAME_LEN];
4887
4888   checked_free(filename);
4889
4890   /* 1st try: look for element description file for exactly this element */
4891   sprintf(basename, "%s.txt", element_info[element].token_name);
4892   filename = getPath3(docs_dir, elements_subdir, basename);
4893   if (fileExists(filename))
4894     return filename;
4895
4896   free(filename);
4897
4898   /* 2nd try: look for element description file for this element's class */
4899   sprintf(basename, "%s.txt", element_info[element].class_name);
4900   filename = getPath3(docs_dir, elements_subdir, basename);
4901   if (fileExists(filename))
4902     return filename;
4903
4904   return NULL;
4905 }
4906
4907 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4908 {
4909   boolean element_found[NUM_FILE_ELEMENTS];
4910   int i, x, y;
4911
4912   /* initialize list of used elements to "not used" */
4913   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4914     element_found[i] = FALSE;
4915
4916   /* find all elements used in current level */
4917   for (y = 0; y < lev_fieldy; y++)
4918     for (x = 0; x < lev_fieldx; x++)
4919       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4920         element_found[Feld[x][y]] = TRUE;
4921
4922   *num_elements = 0;
4923
4924   /* count number of elements used in current level */
4925   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4926     if (element_found[i])
4927       (*num_elements)++;
4928
4929   /* add space for up to 3 more elements for padding that may be needed */
4930   *num_elements += 3;
4931
4932   /* free memory for old list of elements, if needed */
4933   checked_free(*elements);
4934
4935   /* allocate memory for new list of elements */
4936   *elements = checked_malloc(*num_elements * sizeof(int));
4937
4938   *num_elements = 0;
4939
4940   /* add all elements used in current level (non-custom/group elements) */
4941   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4942     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4943       (*elements)[(*num_elements)++] = i;
4944
4945   /* add all elements used in current level (custom/group elements) */
4946   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4947     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4948       (*elements)[(*num_elements)++] = i;
4949
4950   while (*num_elements % 4)     /* pad with empty elements, if needed */
4951     (*elements)[(*num_elements)++] = EL_EMPTY;
4952 }
4953
4954 static void ReinitializeElementList()
4955 {
4956   static boolean initialization_needed = TRUE;
4957   int pos = 0;
4958   int i, j;
4959
4960   if (initialization_needed)
4961   {
4962     LoadSetup_EditorCascade();          /* load last editor cascade state */
4963
4964     /* initialize editor cascade element from saved cascade state */
4965     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4966     {
4967       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4968       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4969
4970       if (IS_EDITOR_CASCADE(*cascade_element))
4971         *cascade_element =
4972           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4973            EL_CASCADE_INACTIVE(*cascade_element));
4974     }
4975
4976     initialization_needed = FALSE;
4977   }
4978
4979   checked_free(editor_elements);
4980
4981   /* reload optional user defined element list for each invocation of editor */
4982   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4983                                    &num_editor_el_user_defined);
4984
4985   /* initialize dynamic level element list for each invocation of editor */
4986   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4987                                &num_editor_el_dynamic);
4988
4989   /* initialize list of empty elements (used for padding, if needed) */
4990   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4991     editor_el_empty[i] = EL_EMPTY;
4992
4993   /* do some sanity checks for each element from element list */
4994   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4995   {
4996     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4997     {
4998       int element = (*editor_elements_info[i].element_list)[j];
4999
5000       if (element >= NUM_FILE_ELEMENTS)
5001         Error(ERR_WARN, "editor element %d is runtime element", element);
5002
5003       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5004         Error(ERR_WARN, "no element description for element %d", element);
5005     }
5006   }
5007
5008   num_editor_elements = 0;
5009   use_el_empty = FALSE;
5010
5011   /* determine size of element list */
5012   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5013   {
5014     boolean found_inactive_cascade = FALSE;
5015
5016     if (*editor_elements_info[i].setup_value)
5017     {
5018       if (setup.editor.el_headlines)
5019       {
5020         num_editor_elements += *editor_elements_info[i].headline_list_size;
5021
5022         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5023         {
5024           int element = (*editor_elements_info[i].headline_list)[j];
5025
5026           if (IS_EDITOR_CASCADE_INACTIVE(element))
5027             found_inactive_cascade = TRUE;
5028         }
5029       }
5030
5031       if (found_inactive_cascade)
5032         continue;
5033
5034       num_editor_elements += *editor_elements_info[i].element_list_size;
5035     }
5036   }
5037
5038   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5039   {
5040     /* offer at least as many elements as element buttons exist */
5041     use_el_empty = TRUE;
5042     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5043
5044     num_editor_elements += num_editor_el_empty;
5045   }
5046
5047   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5048
5049   /* fill element list */
5050   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5051   {
5052     boolean found_inactive_cascade = FALSE;
5053
5054     if (*editor_elements_info[i].setup_value)
5055     {
5056       if (setup.editor.el_headlines)
5057       {
5058         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5059         {
5060           int element = (*editor_elements_info[i].headline_list)[j];
5061
5062           editor_elements[pos++] = element;
5063
5064           if (IS_EDITOR_CASCADE_INACTIVE(element))
5065             found_inactive_cascade = TRUE;
5066         }
5067       }
5068
5069       if (found_inactive_cascade)
5070         continue;
5071
5072       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5073         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5074     }
5075   }
5076
5077   /* (this function is also called before editor gadgets are initialized!) */
5078   AdjustElementListScrollbar();
5079 }
5080
5081 void PrintEditorElementList()
5082 {
5083   boolean *stop = &setup.editor.el_user_defined;
5084   int i, j;
5085
5086   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5087   {
5088     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5089
5090     if (IS_EDITOR_CASCADE(cascade_element))
5091     {
5092       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5093       char *headline = element_info[cascade_element_show].editor_description;
5094
5095       printf_line_with_prefix("# ", "-", 77);
5096       printf("# %s\n", headline);
5097       printf_line_with_prefix("# ", "-", 77);
5098     }
5099
5100     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5101     {
5102       int element = (*editor_elements_info[i].headline_list)[j];
5103
5104       if (IS_EDITOR_CASCADE(element))
5105         element = EL_CHAR_MINUS;
5106
5107       printf("# %s\n", element_info[element].token_name);
5108     }
5109
5110     if (j > 0)
5111       printf("#\n");
5112
5113     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5114     {
5115       int element = (*editor_elements_info[i].element_list)[j];
5116
5117       printf("# %s\n", element_info[element].token_name);
5118     }
5119
5120     if (j > 0)
5121       printf("#\n");
5122   }
5123 }
5124
5125 static void ReinitializeElementListButtons()
5126 {
5127   static boolean last_setup_value_headlines = FALSE;
5128   static boolean initialization_needed = TRUE;
5129   int i;
5130
5131   if (!initialization_needed)   /* check if editor element setup has changed */
5132   {
5133     if (last_setup_value_headlines != setup.editor.el_headlines)
5134       initialization_needed = TRUE;
5135
5136     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5137       if (editor_elements_info[i].last_setup_value !=
5138           *editor_elements_info[i].setup_value)
5139         initialization_needed = TRUE;
5140   }
5141
5142   if (!initialization_needed)
5143     return;
5144
5145   FreeLevelEditorGadgets();
5146   CreateLevelEditorGadgets();
5147
5148   /* store current setup values for next invocation of this function */
5149   last_setup_value_headlines = setup.editor.el_headlines;
5150   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5151     editor_elements_info[i].last_setup_value =
5152       *editor_elements_info[i].setup_value;
5153
5154   initialization_needed = FALSE;
5155 }
5156
5157 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5158                               boolean input)
5159 {
5160   int border_graphic =
5161     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5162   Bitmap *src_bitmap;
5163   int src_x, src_y;
5164   int bx = (input ? 4 : 8);
5165   int by = (input ? 4 : 8);
5166   int bx2 = TILEX - bx;
5167   int by2 = TILEY - by;
5168   int i;
5169
5170   getFixedGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5171
5172   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5173              bx, by, dest_x - bx, dest_y - by);
5174   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5175              bx, by, dest_x + width, dest_y - by);
5176   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5177              bx, by, dest_x - bx, dest_y + height);
5178   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5179              bx, by, dest_x + width, dest_y + height);
5180
5181   for (i = 0; i < width / MINI_TILEX; i++)
5182   {
5183     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5184                dest_x + i * MINI_TILEX, dest_y - by);
5185     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5186                dest_x + i * MINI_TILEX, dest_y + height);
5187   }
5188
5189   for (i = 0; i < height / MINI_TILEY; i++)
5190   {
5191     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5192                dest_x - bx, dest_y + i * MINI_TILEY);
5193     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5194                dest_x + width, dest_y + i * MINI_TILEY);
5195   }
5196
5197   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5198 }
5199
5200 static void DrawDrawingArea(int id)
5201 {
5202   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5203   int x, y;
5204
5205   int *value = drawingarea_info[id].value;
5206   int area_xsize = drawingarea_info[id].area_xsize;
5207   int area_ysize = drawingarea_info[id].area_ysize;
5208
5209   for (x = 0; x < area_xsize; x++)
5210     for (y = 0; y < area_ysize; y++)
5211       DrawMiniGraphicExt(drawto,
5212                          gi->x + x * MINI_TILEX,
5213                          gi->y + y * MINI_TILEY,
5214                          el2edimg(value[x * area_ysize + y]));
5215 }
5216
5217 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5218 {
5219   int x, y;
5220   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5221   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5222
5223   BlitBitmap(drawto, drawto,
5224              SX + (dx == -1 ? MINI_TILEX : 0),
5225              SY + (dy == -1 ? MINI_TILEY : 0),
5226              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5227              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5228              SX + (dx == +1 ? MINI_TILEX : 0),
5229              SY + (dy == +1 ? MINI_TILEY : 0));
5230
5231   if (dx)
5232   {
5233     x = (dx == 1 ? 0 : ed_fieldx - 1);
5234     for (y = 0; y < ed_fieldy; y++)
5235       DrawMiniElementOrWall(x, y, from_x, from_y);
5236   }
5237   else if (dy)
5238   {
5239     y = (dy == 1 ? 0 : ed_fieldy - 1);
5240     for (x = 0; x < ed_fieldx; x++)
5241       DrawMiniElementOrWall(x, y, from_x, from_y);
5242   }
5243
5244   redraw_mask |= REDRAW_FIELD;
5245   BackToFront();
5246 }
5247
5248 static void CreateControlButtons()
5249 {
5250   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5251   struct GadgetInfo *gi;
5252   unsigned int event_mask;
5253   int i;
5254
5255   /* create toolbox buttons */
5256   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5257   {
5258     int id = i;
5259     int width, height;
5260     int gd_xoffset, gd_yoffset;
5261     int gd_x1, gd_x2, gd_y1, gd_y2;
5262     int button_type;
5263     int radio_button_nr;
5264     boolean checked;
5265
5266     if (id == GADGET_ID_SINGLE_ITEMS ||
5267         id == GADGET_ID_CONNECTED_ITEMS ||
5268         id == GADGET_ID_LINE ||
5269         id == GADGET_ID_ARC ||
5270         id == GADGET_ID_TEXT ||
5271         id == GADGET_ID_RECTANGLE ||
5272         id == GADGET_ID_FILLED_BOX ||
5273         id == GADGET_ID_FLOOD_FILL ||
5274         id == GADGET_ID_GRAB_BRUSH ||
5275         id == GADGET_ID_PICK_ELEMENT ||
5276         id == GADGET_ID_CUSTOM_COPY_FROM ||
5277         id == GADGET_ID_CUSTOM_COPY_TO ||
5278         id == GADGET_ID_CUSTOM_EXCHANGE)
5279     {
5280       button_type = GD_TYPE_RADIO_BUTTON;
5281       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5282       checked = (id == drawing_function ? TRUE : FALSE);
5283       event_mask = GD_EVENT_PRESSED;
5284     }
5285     else
5286     {
5287       button_type = GD_TYPE_NORMAL_BUTTON;
5288       radio_button_nr = RADIO_NR_NONE;
5289       checked = FALSE;
5290
5291       if (id == GADGET_ID_WRAP_LEFT ||
5292           id == GADGET_ID_WRAP_RIGHT ||
5293           id == GADGET_ID_WRAP_UP ||
5294           id == GADGET_ID_WRAP_DOWN)
5295         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5296       else
5297         event_mask = GD_EVENT_RELEASED;
5298     }
5299
5300     if (id < ED_NUM_CTRL1_BUTTONS)
5301     {
5302       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5303       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5304
5305       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5306       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5307       width  = ED_CTRL1_BUTTON_XSIZE;
5308       height = ED_CTRL1_BUTTON_YSIZE;
5309
5310       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5311       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5312       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5313       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5314     }
5315     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5316     {
5317       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5318       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5319
5320       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5321       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5322       width  = ED_CTRL2_BUTTON_XSIZE;
5323       height = ED_CTRL2_BUTTON_YSIZE;
5324
5325       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5326       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5327       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5328       gd_y2 = 0;        /* no alternative graphic for these buttons */
5329     }
5330     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5331     {
5332       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5333       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5334
5335       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5336       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5337       width  = ED_CTRL3_BUTTON_XSIZE;
5338       height = ED_CTRL3_BUTTON_YSIZE;
5339
5340       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5341       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5342       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5343       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5344     }
5345     else
5346     {
5347       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5348       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5349
5350       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5351       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5352       width  = ED_CTRL4_BUTTON_XSIZE;
5353       height = ED_CTRL4_BUTTON_YSIZE;
5354
5355       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5356       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5357       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5358       gd_y2 = 0;        /* no alternative graphic for these buttons */
5359     }
5360
5361     gi = CreateGadget(GDI_CUSTOM_ID, id,
5362                       GDI_CUSTOM_TYPE_ID, i,
5363                       GDI_INFO_TEXT, control_info[i].text,
5364                       GDI_X, EX + gd_xoffset,
5365                       GDI_Y, EY + gd_yoffset,
5366                       GDI_WIDTH, width,
5367                       GDI_HEIGHT, height,
5368                       GDI_TYPE, button_type,
5369                       GDI_STATE, GD_BUTTON_UNPRESSED,
5370                       GDI_RADIO_NR, radio_button_nr,
5371                       GDI_CHECKED, checked,
5372                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5373                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5374                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5375                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5376                       GDI_EVENT_MASK, event_mask,
5377                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5378                       GDI_CALLBACK_ACTION, HandleControlButtons,
5379                       GDI_END);
5380
5381     if (gi == NULL)
5382       Error(ERR_EXIT, "cannot create gadget");
5383
5384     level_editor_gadget[id] = gi;
5385   }
5386
5387   /* these values are not constant, but can change at runtime */
5388   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5389   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5390   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5391   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5392   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5393   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5394   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5395   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5396
5397   /* create buttons for scrolling of drawing area and element list */
5398   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5399   {
5400     int id = scrollbutton_info[i].gadget_id;
5401     int x, y, width, height;
5402     int gd_x1, gd_x2, gd_y1, gd_y2;
5403
5404     x = scrollbutton_info[i].x;
5405     y = scrollbutton_info[i].y;
5406
5407     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5408
5409     if (id == GADGET_ID_SCROLL_LIST_UP ||
5410         id == GADGET_ID_SCROLL_LIST_DOWN)
5411     {
5412       x += DX;
5413       y += DY;
5414       width = ED_SCROLLBUTTON2_XSIZE;
5415       height = ED_SCROLLBUTTON2_YSIZE;
5416       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5417       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5418       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
5419       gd_y2 = gd_y1;
5420     }
5421     else
5422     {
5423       x += SX;
5424       y += SY;
5425       width = ED_SCROLLBUTTON_XSIZE;
5426       height = ED_SCROLLBUTTON_YSIZE;
5427       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5428       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5429       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5430       gd_y2 = gd_y1;
5431     }
5432
5433     gi = CreateGadget(GDI_CUSTOM_ID, id,
5434                       GDI_CUSTOM_TYPE_ID, i,
5435                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5436                       GDI_X, x,
5437                       GDI_Y, y,
5438                       GDI_WIDTH, width,
5439                       GDI_HEIGHT, height,
5440                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5441                       GDI_STATE, GD_BUTTON_UNPRESSED,
5442                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5443                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5444                       GDI_EVENT_MASK, event_mask,
5445                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5446                       GDI_CALLBACK_ACTION, HandleControlButtons,
5447                       GDI_END);
5448
5449     if (gi == NULL)
5450       Error(ERR_EXIT, "cannot create gadget");
5451
5452     level_editor_gadget[id] = gi;
5453   }
5454
5455   /* create buttons for element list */
5456   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5457   {
5458     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_PALETTE_BUTTON];
5459     Bitmap *deco_bitmap;
5460     int deco_x, deco_y, deco_xpos, deco_ypos;
5461     int gd_xoffset, gd_yoffset;
5462     int gd_x1, gd_x2, gd_y;
5463     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5464     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5465     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5466     int element = editor_elements[i];
5467
5468     event_mask = GD_EVENT_RELEASED;
5469
5470     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
5471     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
5472
5473 #if 1
5474     gd_x1 = gd->src_x;
5475     gd_x2 = gd->src_x + gd->pressed_xoffset;
5476     gd_y  = gd->src_y;
5477 #else
5478     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
5479     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
5480     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
5481 #endif
5482
5483     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5484     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
5485     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
5486
5487     gi = CreateGadget(GDI_CUSTOM_ID, id,
5488                       GDI_CUSTOM_TYPE_ID, i,
5489                       GDI_INFO_TEXT, getElementInfoText(element),
5490                       GDI_X, DX + gd_xoffset,
5491                       GDI_Y, DY + gd_yoffset,
5492                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
5493                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
5494                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5495                       GDI_STATE, GD_BUTTON_UNPRESSED,
5496                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y,
5497                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y,
5498                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5499                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5500                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5501                       GDI_DECORATION_SHIFTING, 1, 1,
5502                       GDI_EVENT_MASK, event_mask,
5503                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5504                       GDI_CALLBACK_ACTION, HandleControlButtons,
5505                       GDI_END);
5506
5507     if (gi == NULL)
5508       Error(ERR_EXIT, "cannot create gadget");
5509
5510     level_editor_gadget[id] = gi;
5511   }
5512 }
5513
5514 static void CreateCounterButtons()
5515 {
5516   int max_infotext_len = getMaxInfoTextLength();
5517   int i;
5518
5519   /* these values are not constant, but can change at runtime */
5520   counterbutton_info[ED_COUNTER_ID_SELECT_LEVEL].x = DX + 5 - SX;
5521   counterbutton_info[ED_COUNTER_ID_SELECT_LEVEL].y = DY + 3 - SY;
5522
5523   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5524   {
5525     int j;
5526     int x = SX + counterbutton_info[i].x;       /* down count button */
5527     int y = SY + counterbutton_info[i].y;
5528
5529     /* determine horizontal position to the right of specified gadget */
5530     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5531       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5532            ED_GADGET_TEXT_DISTANCE);
5533
5534     /* determine horizontal offset for leading text */
5535     if (counterbutton_info[i].text_left != NULL)
5536       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5537
5538     for (j = 0; j < 2; j++)
5539     {
5540       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5541       struct GadgetInfo *gi;
5542       int id = (j == 0 ?
5543                 counterbutton_info[i].gadget_id_down :
5544                 counterbutton_info[i].gadget_id_up);
5545       int gd_xoffset;
5546       int gd_x, gd_x1, gd_x2, gd_y;
5547       int x_size, y_size;
5548       unsigned int event_mask;
5549       char infotext[max_infotext_len + 1];
5550
5551       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5552
5553       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5554       {
5555         int sid = (j == 0 ?
5556                    ED_SCROLLBUTTON_ID_AREA_LEFT :
5557                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
5558
5559         event_mask |= GD_EVENT_RELEASED;
5560
5561         if (j == 1)
5562           x += 2 * ED_GADGET_DISTANCE;
5563         y += ED_GADGET_DISTANCE;
5564
5565         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
5566         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5567         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
5568         x_size = ED_SCROLLBUTTON_XSIZE;
5569         y_size = ED_SCROLLBUTTON_YSIZE;
5570       }
5571       else
5572       {
5573         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5574         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5575         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5576         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5577         x_size = ED_BUTTON_COUNT_XSIZE;
5578         y_size = ED_BUTTON_COUNT_YSIZE;
5579       }
5580
5581       sprintf(infotext, "%s counter value by 1, 5 or 10",
5582               (j == 0 ? "decrease" : "increase"));
5583
5584       gi = CreateGadget(GDI_CUSTOM_ID, id,
5585                         GDI_CUSTOM_TYPE_ID, i,
5586                         GDI_INFO_TEXT, infotext,
5587                         GDI_X, x,
5588                         GDI_Y, y,
5589                         GDI_WIDTH, x_size,
5590                         GDI_HEIGHT, y_size,
5591                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5592                         GDI_STATE, GD_BUTTON_UNPRESSED,
5593                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5594                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5595                         GDI_EVENT_MASK, event_mask,
5596                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5597                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5598                         GDI_END);
5599
5600       if (gi == NULL)
5601         Error(ERR_EXIT, "cannot create gadget");
5602
5603       level_editor_gadget[id] = gi;
5604       right_gadget_border[id] =
5605         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5606
5607       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5608
5609       if (j == 0)
5610       {
5611         int font_type = FONT_INPUT_1;
5612         int font_type_active = FONT_INPUT_1_ACTIVE;
5613         int gd_width = ED_WIN_COUNT_XSIZE;
5614
5615         id = counterbutton_info[i].gadget_id_text;
5616         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5617
5618         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5619         {
5620           font_type = FONT_LEVEL_NUMBER;
5621 #if 1
5622           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5623 #else
5624           font_type_active = FONT_LEVEL_NUMBER;
5625 #endif
5626           x += 2 * ED_GADGET_DISTANCE;
5627           y -= ED_GADGET_DISTANCE;
5628
5629           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5630           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5631           gd_width = ED_WIN_COUNT2_XSIZE;
5632         }
5633         else
5634         {
5635           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5636           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5637         }
5638
5639         gi = CreateGadget(GDI_CUSTOM_ID, id,
5640                           GDI_CUSTOM_TYPE_ID, i,
5641                           GDI_INFO_TEXT, "enter counter value",
5642                           GDI_X, x,
5643                           GDI_Y, y,
5644                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5645                           GDI_NUMBER_VALUE, 0,
5646                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5647                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5648                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5649                           GDI_TEXT_FONT, font_type,
5650                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5651                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5652                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5653                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5654                           GDI_DESIGN_WIDTH, gd_width,
5655                           GDI_EVENT_MASK, event_mask,
5656                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5657                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5658                           GDI_END);
5659
5660         if (gi == NULL)
5661           Error(ERR_EXIT, "cannot create gadget");
5662
5663         level_editor_gadget[id] = gi;
5664         right_gadget_border[id] =
5665           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5666
5667         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5668       }
5669     }
5670   }
5671 }
5672
5673 static void CreateDrawingAreas()
5674 {
5675   int i;
5676
5677   /* these values are not constant, but can change at runtime */
5678   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5679   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5680
5681   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5682   {
5683     struct GadgetInfo *gi;
5684     unsigned int event_mask;
5685     int id = drawingarea_info[i].gadget_id;
5686     int x = SX + drawingarea_info[i].x;
5687     int y = SY + drawingarea_info[i].y;
5688     int area_xsize = drawingarea_info[i].area_xsize;
5689     int area_ysize = drawingarea_info[i].area_ysize;
5690
5691     event_mask =
5692       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5693       GD_EVENT_OFF_BORDERS;
5694
5695     /* determine horizontal position to the right of specified gadget */
5696     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5697       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5698            ED_DRAWINGAREA_TEXT_DISTANCE);
5699
5700     /* determine horizontal offset for leading text */
5701     if (drawingarea_info[i].text_left != NULL)
5702       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5703
5704     gi = CreateGadget(GDI_CUSTOM_ID, id,
5705                       GDI_CUSTOM_TYPE_ID, i,
5706                       GDI_X, x,
5707                       GDI_Y, y,
5708                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5709                       GDI_AREA_SIZE, area_xsize, area_ysize,
5710                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5711                       GDI_EVENT_MASK, event_mask,
5712                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5713                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5714                       GDI_END);
5715
5716     if (gi == NULL)
5717       Error(ERR_EXIT, "cannot create gadget");
5718
5719     level_editor_gadget[id] = gi;
5720     right_gadget_border[id] =
5721       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5722   }
5723 }
5724
5725 static void CreateTextInputGadgets()
5726 {
5727   int max_infotext_len = getMaxInfoTextLength();
5728   int i;
5729
5730   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5731   {
5732     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5733     int gd_x, gd_y;
5734     struct GadgetInfo *gi;
5735     unsigned int event_mask;
5736     char infotext[MAX_OUTPUT_LINESIZE + 1];
5737     int id = textinput_info[i].gadget_id;
5738
5739     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5740
5741     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5742     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5743
5744     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5745     infotext[max_infotext_len] = '\0';
5746
5747     gi = CreateGadget(GDI_CUSTOM_ID, id,
5748                       GDI_CUSTOM_TYPE_ID, i,
5749                       GDI_INFO_TEXT, infotext,
5750                       GDI_X, SX + textinput_info[i].x,
5751                       GDI_Y, SY + textinput_info[i].y,
5752                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5753                       GDI_TEXT_VALUE, textinput_info[i].value,
5754                       GDI_TEXT_SIZE, textinput_info[i].size,
5755                       GDI_TEXT_FONT, FONT_INPUT_1,
5756                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5757                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5758                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5759                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5760                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5761                       GDI_EVENT_MASK, event_mask,
5762                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5763                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5764                       GDI_END);
5765
5766     if (gi == NULL)
5767       Error(ERR_EXIT, "cannot create gadget");
5768
5769     level_editor_gadget[id] = gi;
5770   }
5771 }
5772
5773 static void CreateTextAreaGadgets()
5774 {
5775   int max_infotext_len = getMaxInfoTextLength();
5776   int i;
5777
5778   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5779   {
5780     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5781     int gd_x, gd_y;
5782     struct GadgetInfo *gi;
5783     unsigned int event_mask;
5784     char infotext[MAX_OUTPUT_LINESIZE + 1];
5785     int id = textarea_info[i].gadget_id;
5786     int area_xsize = textarea_info[i].xsize;
5787     int area_ysize = textarea_info[i].ysize;
5788
5789     event_mask = GD_EVENT_TEXT_LEAVING;
5790
5791     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5792     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5793
5794     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5795     infotext[max_infotext_len] = '\0';
5796
5797     gi = CreateGadget(GDI_CUSTOM_ID, id,
5798                       GDI_CUSTOM_TYPE_ID, i,
5799                       GDI_INFO_TEXT, infotext,
5800                       GDI_X, SX + textarea_info[i].x,
5801                       GDI_Y, SY + textarea_info[i].y,
5802                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5803                       GDI_AREA_SIZE, area_xsize, area_ysize,
5804                       GDI_TEXT_FONT, FONT_INPUT_1,
5805                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5806                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5807                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5808                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5809                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5810                       GDI_EVENT_MASK, event_mask,
5811                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5812                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5813                       GDI_END);
5814
5815     if (gi == NULL)
5816       Error(ERR_EXIT, "cannot create gadget");
5817
5818     level_editor_gadget[id] = gi;
5819   }
5820 }
5821
5822 static void CreateSelectboxGadgets()
5823 {
5824   int max_infotext_len = getMaxInfoTextLength();
5825   int i, j;
5826
5827   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5828   {
5829     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5830     int gd_x, gd_y;
5831     struct GadgetInfo *gi;
5832     unsigned int event_mask;
5833     char infotext[MAX_OUTPUT_LINESIZE + 1];
5834     int id = selectbox_info[i].gadget_id;
5835     int x = SX + selectbox_info[i].x;
5836     int y = SY + selectbox_info[i].y;
5837
5838     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5839     {
5840       /* (we cannot use -1 for uninitialized values if we directly compare
5841          with results from strlen(), because the '<' and '>' operation will
5842          implicitely cast -1 to an unsigned integer value!) */
5843       selectbox_info[i].size = 0;
5844
5845       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5846         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5847           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5848
5849       selectbox_info[i].size++;         /* add one character empty space */
5850     }
5851
5852     event_mask = GD_EVENT_RELEASED |
5853       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5854
5855     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5856     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5857
5858     /* determine horizontal position to the right of specified gadget */
5859     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5860       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5861            ED_GADGET_TEXT_DISTANCE);
5862
5863     /* determine horizontal offset for leading text */
5864     if (selectbox_info[i].text_left != NULL)
5865       x += getTextWidthForGadget(selectbox_info[i].text_left);
5866
5867     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5868     infotext[max_infotext_len] = '\0';
5869
5870     gi = CreateGadget(GDI_CUSTOM_ID, id,
5871                       GDI_CUSTOM_TYPE_ID, i,
5872                       GDI_INFO_TEXT, infotext,
5873                       GDI_X, x,
5874                       GDI_Y, y,
5875                       GDI_TYPE, GD_TYPE_SELECTBOX,
5876                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5877                       GDI_TEXT_SIZE, selectbox_info[i].size,
5878                       GDI_TEXT_FONT, FONT_INPUT_1,
5879                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5880                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5881                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5882                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5883                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5884                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5885                       GDI_EVENT_MASK, event_mask,
5886                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5887                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5888                       GDI_END);
5889
5890     if (gi == NULL)
5891       Error(ERR_EXIT, "cannot create gadget");
5892
5893     level_editor_gadget[id] = gi;
5894     right_gadget_border[id] =
5895       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5896   }
5897 }
5898
5899 static void CreateTextbuttonGadgets()
5900 {
5901   int max_infotext_len = getMaxInfoTextLength();
5902   int i;
5903
5904   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5905   {
5906     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5907     int gd_x1, gd_x2, gd_y1, gd_y2;
5908     struct GadgetInfo *gi;
5909     unsigned int event_mask;
5910     char infotext[MAX_OUTPUT_LINESIZE + 1];
5911     int id = textbutton_info[i].gadget_id;
5912     int x = SX + textbutton_info[i].x;
5913     int y = SY + textbutton_info[i].y;
5914
5915     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5916       textbutton_info[i].size = strlen(textbutton_info[i].text);
5917
5918     event_mask = GD_EVENT_RELEASED;
5919
5920     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5921         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5922     {
5923       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5924       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5925       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5926       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5927     }
5928     else
5929     {
5930       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5931       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5932       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5933       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5934     }
5935
5936     sprintf(infotext, "%s", textbutton_info[i].infotext);
5937     infotext[max_infotext_len] = '\0';
5938
5939     /* determine horizontal position to the right of specified gadget */
5940     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5941       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5942            ED_GADGET_TEXT_DISTANCE);
5943
5944     /* determine horizontal offset for leading text */
5945     if (textbutton_info[i].text_left != NULL)
5946       x += getTextWidthForGadget(textbutton_info[i].text_left);
5947
5948     gi = CreateGadget(GDI_CUSTOM_ID, id,
5949                       GDI_CUSTOM_TYPE_ID, i,
5950                       GDI_INFO_TEXT, infotext,
5951                       GDI_X, x,
5952                       GDI_Y, y,
5953                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5954                       GDI_TEXT_VALUE, textbutton_info[i].text,
5955                       GDI_TEXT_SIZE, textbutton_info[i].size,
5956                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5957                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5958                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5959                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5960                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5961                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5962                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5963                       GDI_DECORATION_SHIFTING, 1, 1,
5964                       GDI_EVENT_MASK, event_mask,
5965                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5966                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5967                       GDI_END);
5968
5969     if (gi == NULL)
5970       Error(ERR_EXIT, "cannot create gadget");
5971
5972     level_editor_gadget[id] = gi;
5973     right_gadget_border[id] =
5974       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5975   }
5976 }
5977
5978 static void CreateGraphicbuttonGadgets()
5979 {
5980   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5981   struct GadgetInfo *gi;
5982   unsigned int event_mask;
5983   int i;
5984
5985   /* create buttons for scrolling of drawing area and element list */
5986   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5987   {
5988     int id = graphicbutton_info[i].gadget_id;
5989     int gd_x1, gd_x2, gd_y1, gd_y2;
5990     int x = SX + graphicbutton_info[i].x;
5991     int y = SY + graphicbutton_info[i].y;
5992
5993     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5994
5995     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5996     {
5997       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5998       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5999       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
6000       gd_y2 = gd_y1;
6001     }
6002     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
6003     {
6004       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
6005       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6006       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
6007       gd_y2 = gd_y1;
6008     }
6009
6010     /* determine horizontal position to the right of specified gadget */
6011     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6012       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6013            ED_GADGET_TEXT_DISTANCE);
6014
6015     /* determine horizontal offset for leading text */
6016     if (graphicbutton_info[i].text_left != NULL)
6017       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6018
6019     gi = CreateGadget(GDI_CUSTOM_ID, id,
6020                       GDI_CUSTOM_TYPE_ID, i,
6021                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6022                       GDI_X, x,
6023                       GDI_Y, y,
6024                       GDI_WIDTH, graphicbutton_info[i].width,
6025                       GDI_HEIGHT, graphicbutton_info[i].height,
6026                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6027                       GDI_STATE, GD_BUTTON_UNPRESSED,
6028                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6029                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6030                       GDI_EVENT_MASK, event_mask,
6031                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6032                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6033                       GDI_END);
6034
6035     if (gi == NULL)
6036       Error(ERR_EXIT, "cannot create gadget");
6037
6038     level_editor_gadget[id] = gi;
6039     right_gadget_border[id] =
6040       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6041   }
6042 }
6043
6044 static void CreateScrollbarGadgets()
6045 {
6046   int i;
6047
6048   /* these values are not constant, but can change at runtime */
6049   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6050     SX + ED_SCROLL_HORIZONTAL_XPOS;
6051   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6052     SY + ED_SCROLL_HORIZONTAL_YPOS;
6053   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6054     ED_SCROLL_HORIZONTAL_XSIZE;
6055   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6056     ED_SCROLL_HORIZONTAL_YSIZE;
6057   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6058   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6059   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6060   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6061
6062   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6063     SX + ED_SCROLL_VERTICAL_XPOS;
6064   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6065     SY + ED_SCROLL_VERTICAL_YPOS;
6066   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6067     ED_SCROLL_VERTICAL_XSIZE;
6068   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6069     ED_SCROLL_VERTICAL_YSIZE;
6070   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6071   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6072   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6073   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6074
6075   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6076     DX + ED_SCROLL2_VERTICAL_XPOS;
6077   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6078     DY + ED_SCROLL2_VERTICAL_YPOS;
6079   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6080   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6081   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6082   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6083
6084   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6085   {
6086     int id = scrollbar_info[i].gadget_id;
6087     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6088     int gd_x1, gd_x2, gd_y1, gd_y2;
6089     struct GadgetInfo *gi;
6090     int items_max, items_visible, item_position;
6091     unsigned int event_mask;
6092
6093     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6094     {
6095       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6096       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6097       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6098     }
6099     else        /* drawing area scrollbars */
6100     {
6101       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6102       {
6103         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6104         items_visible = ed_fieldx;
6105         item_position = 0;
6106       }
6107       else
6108       {
6109         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6110         items_visible = ed_fieldy;
6111         item_position = 0;
6112       }
6113     }
6114
6115     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6116
6117     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
6118     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
6119                       scrollbar_info[i].height : scrollbar_info[i].width));
6120     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6121     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6122
6123     gi = CreateGadget(GDI_CUSTOM_ID, id,
6124                       GDI_CUSTOM_TYPE_ID, i,
6125                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6126                       GDI_X, scrollbar_info[i].x,
6127                       GDI_Y, scrollbar_info[i].y,
6128                       GDI_WIDTH, scrollbar_info[i].width,
6129                       GDI_HEIGHT, scrollbar_info[i].height,
6130                       GDI_TYPE, scrollbar_info[i].type,
6131                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6132                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6133                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6134                       GDI_WHEEL_AREA_X, scrollbar_info[i].wheel_x,
6135                       GDI_WHEEL_AREA_Y, scrollbar_info[i].wheel_y,
6136                       GDI_WHEEL_AREA_WIDTH, scrollbar_info[i].wheel_width,
6137                       GDI_WHEEL_AREA_HEIGHT, scrollbar_info[i].wheel_height,
6138                       GDI_STATE, GD_BUTTON_UNPRESSED,
6139                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6140                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6141                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6142                       GDI_EVENT_MASK, event_mask,
6143                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6144                       GDI_CALLBACK_ACTION, HandleControlButtons,
6145                       GDI_END);
6146
6147     if (gi == NULL)
6148       Error(ERR_EXIT, "cannot create gadget");
6149
6150     level_editor_gadget[id] = gi;
6151   }
6152 }
6153
6154 static void CreateCheckbuttonGadgets()
6155 {
6156   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6157   struct GadgetInfo *gi;
6158   unsigned int event_mask;
6159   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6160   int i;
6161
6162   event_mask = GD_EVENT_PRESSED;
6163
6164   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6165   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6166   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6167   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6168   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6169
6170   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6171   {
6172     int id = checkbutton_info[i].gadget_id;
6173     int x = SX + checkbutton_info[i].x;
6174     int y = SY + checkbutton_info[i].y;
6175
6176     if (id == GADGET_ID_STICK_ELEMENT)
6177       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6178     else
6179       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6180
6181     /* determine horizontal position to the right of specified gadget */
6182     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6183       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6184            ED_GADGET_TEXT_DISTANCE);
6185
6186     /* determine horizontal offset for leading text */
6187     if (checkbutton_info[i].text_left != NULL)
6188       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6189
6190     gi = CreateGadget(GDI_CUSTOM_ID, id,
6191                       GDI_CUSTOM_TYPE_ID, i,
6192                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6193                       GDI_X, x,
6194                       GDI_Y, y,
6195                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6196                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6197                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6198                       GDI_CHECKED, *checkbutton_info[i].value,
6199                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6200                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6201                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6202                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6203                       GDI_EVENT_MASK, event_mask,
6204                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6205                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6206                       GDI_END);
6207
6208     if (gi == NULL)
6209       Error(ERR_EXIT, "cannot create gadget");
6210
6211     level_editor_gadget[id] = gi;
6212     right_gadget_border[id] =
6213       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6214   }
6215 }
6216
6217 static void CreateRadiobuttonGadgets()
6218 {
6219   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6220   struct GadgetInfo *gi;
6221   unsigned int event_mask;
6222   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6223   int i;
6224
6225   event_mask = GD_EVENT_PRESSED;
6226
6227   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6228   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6229   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6230   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6231   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6232
6233   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6234   {
6235     int id = radiobutton_info[i].gadget_id;
6236     int x = SX + radiobutton_info[i].x;
6237     int y = SY + radiobutton_info[i].y;
6238
6239     int checked =
6240       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6241
6242     /* determine horizontal position to the right of specified gadget */
6243     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6244       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6245            ED_GADGET_TEXT_DISTANCE);
6246
6247     /* determine horizontal offset for leading text */
6248     if (radiobutton_info[i].text_left != NULL)
6249       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6250
6251     gi = CreateGadget(GDI_CUSTOM_ID, id,
6252                       GDI_CUSTOM_TYPE_ID, i,
6253                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6254                       GDI_X, x,
6255                       GDI_Y, y,
6256                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6257                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6258                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6259                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6260                       GDI_CHECKED, checked,
6261                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6262                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6263                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6264                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6265                       GDI_EVENT_MASK, event_mask,
6266                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6267                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6268                       GDI_END);
6269
6270     if (gi == NULL)
6271       Error(ERR_EXIT, "cannot create gadget");
6272
6273     level_editor_gadget[id] = gi;
6274     right_gadget_border[id] =
6275       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6276   }
6277 }
6278
6279 void CreateLevelEditorGadgets()
6280 {
6281   int old_game_status = game_status;
6282
6283   /* setting 'game_status' is needed to get the right fonts for the editor */
6284   game_status = GAME_MODE_EDITOR;
6285
6286   /* these values are not constant, but can change at runtime */
6287   ed_fieldx = MAX_ED_FIELDX - 1;
6288   ed_fieldy = MAX_ED_FIELDY - 1;
6289
6290   ReinitializeElementList();
6291
6292   CreateControlButtons();
6293   CreateScrollbarGadgets();
6294
6295   /* order of function calls is important because of cross-references */
6296   CreateCheckbuttonGadgets();
6297   CreateCounterButtons();
6298   CreateRadiobuttonGadgets();
6299   CreateTextInputGadgets();
6300   CreateTextAreaGadgets();
6301   CreateSelectboxGadgets();
6302   CreateGraphicbuttonGadgets();
6303   CreateTextbuttonGadgets();
6304   CreateDrawingAreas();
6305
6306   game_status = old_game_status;
6307 }
6308
6309 void FreeLevelEditorGadgets()
6310 {
6311   int i;
6312
6313   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6314   {
6315     FreeGadget(level_editor_gadget[i]);
6316
6317     level_editor_gadget[i] = NULL;
6318   }
6319 }
6320
6321 static void MapCounterButtons(int id)
6322 {
6323   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6324   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6325   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6326   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6327   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6328   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6329   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6330   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6331   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6332   int yoffset = ED_BORDER_SIZE;
6333   int x_left = gi_down->x - xoffset_left;
6334   int x_right;  /* set after gadget position was modified */
6335   int y_above = gi_down->y - yoffset_above;
6336   int x = gi_down->x;
6337   int y;        /* set after gadget position was modified */
6338
6339   /* counter limits must be changed first to prevent value truncation */
6340   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6341                             counterbutton_info[id].max_value);
6342
6343   /* right text position might have changed after setting position above */
6344   x_right = gi_up->x + gi_up->width + xoffset_right;
6345
6346   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6347
6348   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6349   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6350       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6351   {
6352     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6353     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6354     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6355   }
6356
6357   /* vertical position might have changed after setting position above */
6358   y = gi_up->y + yoffset;
6359
6360   if (counterbutton_info[id].text_above)
6361     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6362
6363   if (counterbutton_info[id].text_left)
6364     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6365
6366   if (counterbutton_info[id].text_right)
6367     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6368
6369   MapGadget(gi_down);
6370   MapGadget(gi_text);
6371   MapGadget(gi_up);
6372 }
6373
6374 static void MapControlButtons()
6375 {
6376   int counter_id;
6377   int i;
6378
6379   /* map toolbox buttons (excluding special CE toolbox buttons) */
6380   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6381     MapGadget(level_editor_gadget[i]);
6382
6383   /* map buttons to select elements */
6384   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6385     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6386   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6387   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6388   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6389
6390   /* map buttons to select level */
6391   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6392   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6393   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6394   MapCounterButtons(counter_id);
6395 }
6396
6397 static void MapDrawingArea(int id)
6398 {
6399   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6400   int area_xsize = gi->drawing.area_xsize;
6401   int area_ysize = gi->drawing.area_ysize;
6402   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6403   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6404   int x_left  = gi->x - xoffset_left;
6405   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6406   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6407   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6408   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6409
6410   if (drawingarea_info[id].text_left)
6411     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6412
6413   if (drawingarea_info[id].text_right)
6414     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6415
6416   if (drawingarea_info[id].text_below)
6417     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6418
6419   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6420   {
6421     DrawElementBorder(gi->x, gi->y,
6422                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6423
6424     DrawDrawingArea(id);
6425   }
6426
6427   MapGadget(gi);
6428 }
6429
6430 static void MapTextInputGadget(int id)
6431 {
6432   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6433   int xoffset_above = 0;
6434   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6435   int x_above = textinput_info[id].x + xoffset_above;
6436   int y_above = textinput_info[id].y + yoffset_above;
6437
6438   if (textinput_info[id].text_above)
6439     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6440
6441   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6442
6443   MapGadget(gi);
6444 }
6445
6446 static void MapTextAreaGadget(int id)
6447 {
6448   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6449   int xoffset_above = 0;
6450   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6451   int x_above = textarea_info[id].x + xoffset_above;
6452   int y_above = textarea_info[id].y + yoffset_above;
6453
6454   if (textarea_info[id].text_above)
6455     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6456
6457   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6458
6459   MapGadget(gi);
6460 }
6461
6462 static void MapSelectboxGadget(int id)
6463 {
6464   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6465   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6466   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6467   int yoffset = ED_BORDER_SIZE;
6468   int x_left = gi->x - xoffset_left;
6469   int x_right = gi->x + gi->width + xoffset_right;
6470   int y = gi->y + yoffset;
6471
6472   if (selectbox_info[id].text_left)
6473     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6474
6475   if (selectbox_info[id].text_right)
6476     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6477
6478   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6479
6480   MapGadget(gi);
6481 }
6482
6483 static void MapTextbuttonGadget(int id)
6484 {
6485   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6486   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6487   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6488   int yoffset = ED_BORDER_SIZE;
6489   int x_left = gi->x - xoffset_left;
6490   int x_right = gi->x + gi->width + xoffset_right;
6491   int y = gi->y + yoffset;
6492
6493   /* only show button to delete change pages when more than minimum pages */
6494   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6495       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6496     return;
6497
6498   if (textbutton_info[id].text_left)
6499     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6500
6501   if (textbutton_info[id].text_right)
6502     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6503
6504   MapGadget(gi);
6505 }
6506
6507 static void MapGraphicbuttonGadget(int id)
6508 {
6509   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6510   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6511   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6512   int yoffset = ED_BORDER_SIZE;
6513   int x_left = gi->x - xoffset_left;
6514   int x_right = gi->x + gi->width + xoffset_right;
6515   int y = gi->y + yoffset;
6516
6517   if (graphicbutton_info[id].text_left)
6518     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6519
6520   if (graphicbutton_info[id].text_right)
6521     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6522
6523   MapGadget(gi);
6524 }
6525
6526 static void MapRadiobuttonGadget(int id)
6527 {
6528   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6529   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6530   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6531   int yoffset = ED_BORDER_SIZE;
6532   int x_left = gi->x - xoffset_left;
6533   int x_right = gi->x + gi->width + xoffset_right;
6534   int y = gi->y + yoffset;
6535   boolean checked =
6536     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6537
6538   if (radiobutton_info[id].text_left)
6539     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6540
6541   if (radiobutton_info[id].text_right)
6542     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6543
6544   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6545
6546   MapGadget(gi);
6547 }
6548
6549 static void MapCheckbuttonGadget(int id)
6550 {
6551   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6552   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6553   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6554   int yoffset = ED_BORDER_SIZE;
6555   int x_left, x_right, y;       /* set after gadget position was modified */
6556
6557   /* set position for gadgets with dynamically determined position */
6558   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6559     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6560   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6561
6562   x_left = gi->x - xoffset_left;
6563   x_right = gi->x + gi->width + xoffset_right;
6564   y = gi->y + yoffset;
6565
6566   if (checkbutton_info[id].text_left)
6567     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6568
6569   if (checkbutton_info[id].text_right)
6570     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6571
6572   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6573
6574   MapGadget(gi);
6575 }
6576
6577 static void MapMainDrawingArea()
6578 {
6579   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6580   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6581   int i;
6582
6583   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6584   {
6585     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6586           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6587          no_horizontal_scrollbar) ||
6588         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6589           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6590          no_vertical_scrollbar))
6591       continue;
6592
6593     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6594   }
6595
6596   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6597   {
6598     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6599         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6600       continue;
6601
6602     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6603   }
6604
6605   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6606 }
6607
6608 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6609 {
6610   int i;
6611
6612   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6613   {
6614     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6615         i == GADGET_ID_CUSTOM_COPY_TO ||
6616         i == GADGET_ID_CUSTOM_EXCHANGE ||
6617         i == GADGET_ID_CUSTOM_COPY ||
6618         i == GADGET_ID_CUSTOM_PASTE)
6619     {
6620       if (map)
6621         MapGadget(level_editor_gadget[i]);
6622       else
6623         UnmapGadget(level_editor_gadget[i]);
6624     }
6625   }
6626 }
6627
6628 static void MapLevelEditorToolboxCustomGadgets()
6629 {
6630   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6631 }
6632
6633 static void UnmapLevelEditorToolboxCustomGadgets()
6634 {
6635   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6636 }
6637
6638 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6639 {
6640   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6641   int i;
6642
6643   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6644   {
6645     if (i != GADGET_ID_SINGLE_ITEMS &&
6646         i != GADGET_ID_PROPERTIES &&
6647         i != GADGET_ID_PICK_ELEMENT)
6648     {
6649       struct GadgetInfo *gi = level_editor_gadget[i];
6650
6651       if (map)
6652         MapGadget(gi);
6653       else
6654       {
6655         UnmapGadget(gi);
6656
6657         BlitBitmap(gd_bitmap, drawto,
6658                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6659                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6660                    gi->width, gi->height, gi->x, gi->y);
6661
6662         redraw_mask |= REDRAW_DOOR_3;
6663       }
6664     }
6665   }
6666 }
6667
6668 static void MapLevelEditorToolboxDrawingGadgets()
6669 {
6670   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6671 }
6672
6673 static void UnmapLevelEditorToolboxDrawingGadgets()
6674 {
6675   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6676 }
6677
6678 static void UnmapDrawingArea(int id)
6679 {
6680   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6681 }
6682
6683 static void UnmapLevelEditorFieldGadgets()
6684 {
6685   int i;
6686
6687 #if 1
6688   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6689     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6690                           level_editor_gadget[i]->y))
6691       UnmapGadget(level_editor_gadget[i]);
6692 #else
6693   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6694     if (level_editor_gadget[i]->x < SX + SXSIZE)
6695       UnmapGadget(level_editor_gadget[i]);
6696 #endif
6697 }
6698
6699 void UnmapLevelEditorGadgets()
6700 {
6701   int i;
6702
6703   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6704     UnmapGadget(level_editor_gadget[i]);
6705 }
6706
6707 static void ResetUndoBuffer()
6708 {
6709   undo_buffer_position = -1;
6710   undo_buffer_steps = -1;
6711   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6712
6713   level.changed = FALSE;
6714 }
6715
6716 static void DrawEditModeWindow()
6717 {
6718   ModifyEditorElementList();
6719   RedrawDrawingElements();
6720
6721   if (edit_mode == ED_MODE_INFO)
6722     DrawLevelInfoWindow();
6723   else if (edit_mode == ED_MODE_PROPERTIES)
6724     DrawPropertiesWindow();
6725   else  /* edit_mode == ED_MODE_DRAWING */
6726     DrawDrawingWindow();
6727 }
6728
6729 static boolean LevelChanged()
6730 {
6731   boolean field_changed = FALSE;
6732   int x, y;
6733
6734 #if 1
6735   /* changed read-only levels can now be saved in personal level set */
6736 #else
6737   if (leveldir_current->readonly)
6738     return FALSE;
6739 #endif
6740
6741   for (y = 0; y < lev_fieldy; y++)
6742     for (x = 0; x < lev_fieldx; x++)
6743       if (Feld[x][y] != level.field[x][y])
6744         field_changed = TRUE;
6745
6746   return (level.changed || field_changed);
6747 }
6748
6749 static boolean PrepareSavingIntoPersonalLevelSet()
6750 {
6751   static LevelDirTree *last_copied_leveldir = NULL;
6752   static LevelDirTree *last_written_leveldir = NULL;
6753   static int last_copied_level_nr = -1;
6754   static int last_written_level_nr = -1;
6755   LevelDirTree *leveldir_former = leveldir_current;
6756   int level_nr_former = level_nr;
6757   int new_level_nr;
6758
6759   // remember last mod/save so that for current session, we write
6760   // back to the same personal copy, asking only about overwrite.
6761   if (leveldir_current == last_copied_leveldir &&
6762       level_nr == last_copied_level_nr)
6763   {
6764     // "cd" to personal level set dir (as used when writing last copy)
6765     leveldir_current = last_written_leveldir;
6766     level_nr = last_written_level_nr;
6767
6768     return TRUE;
6769   }
6770
6771   if (!Request("This level is read only! "
6772                "Save into personal level set?", REQ_ASK))
6773     return FALSE;
6774
6775   // "cd" to personal level set dir (for writing copy the first time)
6776   leveldir_current =
6777     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6778
6779   // find unused level number
6780   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6781   {
6782     static char *level_filename = NULL;
6783
6784     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6785
6786     if (!fileExists(level_filename))
6787       break;
6788   }
6789
6790   last_copied_leveldir = leveldir_former;
6791   last_copied_level_nr = level_nr_former;
6792
6793   last_written_leveldir = leveldir_current;
6794   last_written_level_nr = level_nr = new_level_nr;
6795
6796   return TRUE;
6797 }
6798
6799 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6800 {
6801   static char *filename_levelinfo = NULL, *mod_name = NULL;
6802   FILE *file;
6803
6804   // annotate this copy-and-mod in personal levelinfo.conf
6805   setString(&filename_levelinfo,
6806             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6807
6808   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6809   {
6810     fprintf(file, "\n");
6811     fprintf(file, "# level %d was modified from:\n", level_nr);
6812     fprintf(file, "# - previous level set name:    %s\n",
6813             former_name);
6814     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6815             level.file_info.nr, level.name);
6816     fprintf(file, "# - previous author:            %s\n",
6817             level.author);
6818     fprintf(file, "# - previous save date:         ");
6819
6820     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6821     {
6822       fprintf(file, "%04d-%02d-%02d\n",
6823               level.creation_date.year,
6824               level.creation_date.month,
6825               level.creation_date.day);
6826     }
6827     else
6828     {
6829       fprintf(file, "not recorded\n");
6830     }
6831
6832     fclose(file);
6833   }
6834
6835   if (level_nr > leveldir_current->last_level)
6836   {
6837     static char *temp_levelinfo = NULL;
6838     FILE *temp_file = NULL;
6839     char line[MAX_LINE_LEN];
6840
6841     setString(&temp_levelinfo,
6842               getPath2(getCurrentLevelDir(),
6843                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6844
6845     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6846         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6847     {
6848       while (fgets(line, MAX_LINE_LEN, file))
6849       {
6850         if (!strPrefix(line, "levels:"))
6851           fputs(line, temp_file);
6852         else
6853           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6854       }
6855     }
6856
6857     if (temp_file)
6858       fclose(temp_file);
6859
6860     if (file)
6861       fclose(file);
6862
6863     // needs error handling; also, ok on dos/win?
6864     unlink(filename_levelinfo);
6865     rename(temp_levelinfo, filename_levelinfo);
6866   }
6867
6868   // else: allow the save even if annotation failed
6869
6870   // now... spray graffiti on the old level vital statistics
6871   // user can change these; just trying to set a good baseline
6872
6873   // don't truncate names for fear of making offensive or silly:
6874   // long-named original author only recorded in levelinfo.conf.
6875   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6876   if (!strEqual(level.author, leveldir_current->author))
6877   {
6878     setString(&mod_name, getStringCat3(leveldir_current->author,
6879                                        " after ", level.author));
6880
6881     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6882       setString(&mod_name,
6883                 getStringCat2(leveldir_current->author, " (ed.)"));
6884
6885     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6886       setString(&mod_name, leveldir_current->author);
6887
6888     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6889
6890     // less worried about truncation here
6891     setString(&mod_name, getStringCat2("Mod: ", level.name));
6892     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6893   }
6894 }
6895
6896 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6897                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6898 {
6899   int x, y;
6900
6901   for (x = 0; x < lev_fieldx; x++)
6902     for (y = 0; y < lev_fieldy; y++)
6903       dst[x][y] = src[x][y];
6904 }
6905
6906 static int setSelectboxValue(int selectbox_id, int new_value)
6907 {
6908   int new_index_value = 0;
6909   int i;
6910
6911   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6912     if (selectbox_info[selectbox_id].options[i].value == new_value)
6913       new_index_value = i;
6914
6915   *selectbox_info[selectbox_id].value =
6916     selectbox_info[selectbox_id].options[new_index_value].value;
6917
6918   return new_index_value;
6919 }
6920
6921 static void setSelectboxSpecialActionVariablesIfNeeded()
6922 {
6923   int i;
6924
6925   /* change action mode and arg variables according to action type variable */
6926   for (i = 0; action_arg_options[i].value != -1; i++)
6927   {
6928     if (action_arg_options[i].value == custom_element_change.action_type)
6929     {
6930       int mode = action_arg_options[i].mode;
6931
6932       /* only change if corresponding selectbox has changed */
6933       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6934           action_arg_modes[mode])
6935         custom_element_change.action_mode = -1;
6936
6937       /* only change if corresponding selectbox has changed */
6938       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6939           action_arg_options[i].options)
6940         custom_element_change.action_arg = -1;
6941
6942       break;
6943     }
6944   }
6945 }
6946
6947 static void setSelectboxSpecialActionOptions()
6948 {
6949   int i;
6950
6951   /* change action mode and arg selectbox according to action type selectbox */
6952   for (i = 0; action_arg_options[i].value != -1; i++)
6953   {
6954     if (action_arg_options[i].value == custom_element_change.action_type)
6955     {
6956       int mode = action_arg_options[i].mode;
6957
6958       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6959                                    action_arg_modes[mode]);
6960       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6961                                  custom_element_change.action_mode);
6962
6963       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6964                                    action_arg_options[i].options);
6965       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6966                                  custom_element_change.action_arg);
6967       break;
6968     }
6969   }
6970 }
6971
6972 static void copy_custom_element_settings(int element_from, int element_to)
6973 {
6974   struct ElementInfo *ei_from = &element_info[element_from];
6975   struct ElementInfo *ei_to = &element_info[element_to];
6976
6977   copyElementInfo(ei_from, ei_to);
6978 }
6979
6980 static void replace_custom_element_in_settings(int element_from,
6981                                                int element_to)
6982 {
6983   int i, j, x, y;
6984
6985   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6986   {
6987     struct ElementInfo *ei = &element_info[i];
6988
6989     for (y = 0; y < 3; y++)
6990       for (x = 0; x < 3; x++)
6991         if (ei->content.e[x][y] == element_from)
6992           ei->content.e[x][y] = element_to;
6993
6994     for (j = 0; j < ei->num_change_pages; j++)
6995     {
6996       struct ElementChangeInfo *change = &ei->change_page[j];
6997
6998       if (change->target_element == element_from)
6999         change->target_element = element_to;
7000
7001       if (change->initial_trigger_element == element_from)
7002         change->initial_trigger_element = element_to;
7003
7004       if (change->action_element == element_from)
7005         change->action_element = element_to;
7006
7007       for (y = 0; y < 3; y++)
7008         for (x = 0; x < 3; x++)
7009           if (change->target_content.e[x][y] == element_from)
7010             change->target_content.e[x][y] = element_to;
7011     }
7012
7013     if (ei->group != NULL)                              /* group or internal */
7014       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7015         if (ei->group->element[j] == element_from)
7016           ei->group->element[j] = element_to;
7017   }
7018 }
7019
7020 static void replace_custom_element_in_playfield(int element_from,
7021                                                 int element_to)
7022 {
7023   int x, y;
7024
7025   for (x = 0; x < lev_fieldx; x++)
7026     for (y = 0; y < lev_fieldy; y++)
7027       if (Feld[x][y] == element_from)
7028         Feld[x][y] = element_to;
7029 }
7030
7031 static boolean CopyCustomElement(int element_old, int element_new,
7032                                  int copy_mode)
7033 {
7034   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7035   {
7036     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7037                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7038     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7039   }
7040   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7041   {
7042     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7043                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7044     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7045
7046     level.changed = TRUE;
7047   }
7048   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7049   {
7050     Request("Please choose custom element!", REQ_CONFIRM);
7051
7052     return FALSE;
7053   }
7054   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7055   {
7056     Request("Please choose group element!", REQ_CONFIRM);
7057
7058     return FALSE;
7059   }
7060   else
7061   {
7062     level.changed = TRUE;
7063   }
7064
7065   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7066   {
7067     copy_custom_element_settings(element_new, element_old);
7068   }
7069   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7070   {
7071     copy_custom_element_settings(element_old, element_new);
7072   }
7073   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7074   {
7075     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7076     copy_custom_element_settings(element_new, element_old);
7077     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7078
7079     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7080     replace_custom_element_in_settings(element_new, element_old);
7081     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7082
7083     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7084     replace_custom_element_in_playfield(element_new, element_old);
7085     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7086   }
7087
7088   UpdateCustomElementGraphicGadgets();
7089   DrawPropertiesWindow();
7090
7091   return TRUE;
7092 }
7093
7094 static void CopyCustomElementPropertiesToEditor(int element)
7095 {
7096   int i;
7097   int current_change_page = element_info[element].current_change_page;
7098
7099   /* dynamically (re)build selectbox for selecting change page */
7100   for (i = 0; i < element_info[element].num_change_pages; i++)
7101   {
7102     sprintf(options_change_page_strings[i], "%d", i + 1);
7103
7104     options_change_page[i].value = i;
7105     options_change_page[i].text = options_change_page_strings[i];
7106   }
7107
7108   options_change_page[i].value = -1;
7109   options_change_page[i].text = NULL;
7110
7111   /* needed here to initialize combined element properties */
7112   InitElementPropertiesEngine(level.game_version);
7113
7114   element_info[element].change =
7115     &element_info[element].change_page[current_change_page];
7116
7117   custom_element = element_info[element];
7118   custom_element_change = *element_info[element].change;
7119
7120   /* needed to initially set selectbox options for special action options */
7121   setSelectboxSpecialActionOptions();
7122
7123   /* needed to initially set selectbox value variables to reliable defaults */
7124   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7125     setSelectboxValue(i, *selectbox_info[i].value);
7126
7127   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7128     custom_element_properties[i] = HAS_PROPERTY(element, i);
7129
7130   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7131     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7132
7133   /* ---------- element settings: configure (custom elements) ------------- */
7134
7135   /* set accessible layer selectbox help value */
7136   custom_element.access_type =
7137     (IS_WALKABLE(element) ? EP_WALKABLE :
7138      IS_PASSABLE(element) ? EP_PASSABLE :
7139      custom_element.access_type);
7140   custom_element.access_layer =
7141     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7142      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7143      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7144      custom_element.access_layer);
7145   custom_element.access_protected =
7146     (IS_PROTECTED(element) ? 1 : 0);
7147   custom_element_properties[EP_ACCESSIBLE] =
7148     (IS_ACCESSIBLE_OVER(element) ||
7149      IS_ACCESSIBLE_INSIDE(element) ||
7150      IS_ACCESSIBLE_UNDER(element));
7151
7152   /* set walk-to-object action selectbox help value */
7153   custom_element.walk_to_action =
7154     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7155      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7156      IS_DROPPABLE(element) ? EP_DROPPABLE :
7157      IS_THROWABLE(element) ? EP_THROWABLE :
7158      IS_PUSHABLE(element) ? EP_PUSHABLE :
7159      custom_element.walk_to_action);
7160   custom_element_properties[EP_WALK_TO_OBJECT] =
7161     (IS_DIGGABLE(element) ||
7162      IS_COLLECTIBLE_ONLY(element) ||
7163      IS_DROPPABLE(element) ||
7164      IS_THROWABLE(element) ||
7165      IS_PUSHABLE(element));
7166
7167   /* set smash targets selectbox help value */
7168   custom_element.smash_targets =
7169     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7170      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7171      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7172      custom_element.smash_targets);
7173   custom_element_properties[EP_CAN_SMASH] =
7174     (CAN_SMASH_EVERYTHING(element) ||
7175      CAN_SMASH_ENEMIES(element) ||
7176      CAN_SMASH_PLAYER(element));
7177
7178   /* set deadliness selectbox help value */
7179   custom_element.deadliness =
7180     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7181      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7182      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7183      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7184      custom_element.deadliness);
7185   custom_element_properties[EP_DEADLY] =
7186     (DONT_TOUCH(element) ||
7187      DONT_GET_HIT_BY(element) ||
7188      DONT_COLLIDE_WITH(element) ||
7189      DONT_RUN_INTO(element));
7190
7191   /* ---------- element settings: advanced (custom elements) --------------- */
7192
7193   /* set "change by direct action" selectbox help value */
7194   custom_element_change.direct_action =
7195     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7196      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7197      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7198      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7199      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7200      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7201      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7202      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7203      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7204      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7205      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7206      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7207      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7208      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7209      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7210      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7211      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7212      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7213      custom_element_change.direct_action);
7214
7215   /* set "change by other element action" selectbox help value */
7216   custom_element_change.other_action =
7217     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7218      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7219      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7220      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7221      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7222      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7223      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7224      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7225      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7226      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7227      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7228      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7229      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7230      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7231      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7232      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7233      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7234      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7235      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7236      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7237      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7238      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7239      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7240      custom_element_change.other_action);
7241 }
7242
7243 static void CopyGroupElementPropertiesToEditor(int element)
7244 {
7245   group_element_info = *element_info[element].group;
7246   custom_element = element_info[element];       /* needed for description */
7247 }
7248
7249 static void CopyClassicElementPropertiesToEditor(int element)
7250 {
7251   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7252     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7253       getMoveIntoAcidProperty(&level, element);
7254
7255   if (MAYBE_DONT_COLLIDE_WITH(element))
7256     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7257       getDontCollideWithProperty(&level, element);
7258 }
7259
7260 static void CopyElementPropertiesToEditor(int element)
7261 {
7262   if (IS_CUSTOM_ELEMENT(element))
7263     CopyCustomElementPropertiesToEditor(element);
7264   else if (IS_GROUP_ELEMENT(element))
7265     CopyGroupElementPropertiesToEditor(element);
7266   else
7267     CopyClassicElementPropertiesToEditor(element);
7268 }
7269
7270 static void CopyCustomElementPropertiesToGame(int element)
7271 {
7272   int i;
7273   int access_type_and_layer;
7274
7275   /* mark that this custom element has been modified */
7276   custom_element.modified_settings = TRUE;
7277   level.changed = TRUE;
7278
7279   if (level.use_custom_template)
7280   {
7281     if (Request("Copy and modify level template?", REQ_ASK))
7282     {
7283       level.use_custom_template = FALSE;
7284       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7285                    GDI_CHECKED, FALSE, GDI_END);
7286     }
7287     else
7288     {
7289       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7290
7291       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7292     }
7293   }
7294
7295   element_info[element] = custom_element;
7296   *element_info[element].change = custom_element_change;
7297
7298   /* ---------- element settings: configure (custom elements) ------------- */
7299
7300   /* set accessible property from checkbox and selectbox */
7301   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7302   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7303   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7304   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7305   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7306   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7307   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7308                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7309                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7310   custom_element_properties[access_type_and_layer] =
7311     custom_element_properties[EP_ACCESSIBLE];
7312   custom_element_properties[EP_PROTECTED] =
7313     (custom_element.access_protected != 0 &&
7314      custom_element_properties[EP_ACCESSIBLE]);
7315
7316   /* set walk-to-object property from checkbox and selectbox */
7317   custom_element_properties[EP_DIGGABLE] = FALSE;
7318   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7319   custom_element_properties[EP_DROPPABLE] = FALSE;
7320   custom_element_properties[EP_THROWABLE] = FALSE;
7321   custom_element_properties[EP_PUSHABLE] = FALSE;
7322   custom_element_properties[custom_element.walk_to_action] =
7323     custom_element_properties[EP_WALK_TO_OBJECT];
7324
7325   /* set smash property from checkbox and selectbox */
7326   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7327   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7328   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7329   custom_element_properties[custom_element.smash_targets] =
7330     custom_element_properties[EP_CAN_SMASH];
7331
7332   /* set deadliness property from checkbox and selectbox */
7333   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7334   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7335   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7336   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7337   custom_element_properties[custom_element.deadliness] =
7338     custom_element_properties[EP_DEADLY];
7339
7340   /* ---------- element settings: advanced (custom elements) --------------- */
7341
7342   /* set player change event from checkbox and selectbox */
7343   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7344   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7345   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7346   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7347   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7348   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7349   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7350   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7351   custom_element_change_events[CE_SWITCHED] = FALSE;
7352   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7353   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7354   custom_element_change_events[CE_BLOCKED] = FALSE;
7355   custom_element_change_events[CE_IMPACT] = FALSE;
7356   custom_element_change_events[CE_SMASHED] = FALSE;
7357   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7358   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7359   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7360   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7361   custom_element_change_events[custom_element_change.direct_action] =
7362     custom_element_change_events[CE_BY_DIRECT_ACTION];
7363
7364   /* set other element action change event from checkbox and selectbox */
7365   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7366   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7367   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7368   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7369   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7370   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7371   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7372   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7373   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7374   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7375   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7376   custom_element_change_events[CE_HITTING_X] = FALSE;
7377   custom_element_change_events[CE_DIGGING_X] = FALSE;
7378   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7379   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7380   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7381   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7382   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7383   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7384   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7385   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7386   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7387   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7388   custom_element_change_events[custom_element_change.other_action] =
7389     custom_element_change_events[CE_BY_OTHER_ACTION];
7390
7391   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7392     SET_PROPERTY(element, i, custom_element_properties[i]);
7393
7394   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7395     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7396
7397   /* copy change events also to special level editor variable */
7398   custom_element = element_info[element];
7399   custom_element_change = *element_info[element].change;
7400 }
7401
7402 static void CopyGroupElementPropertiesToGame(int element)
7403 {
7404   element_info[element] = custom_element;
7405   *element_info[element].group = group_element_info;
7406
7407   /* mark that this group element has been modified */
7408   element_info[element].modified_settings = TRUE;
7409   level.changed = TRUE;
7410 }
7411
7412 static void CopyClassicElementPropertiesToGame(int element)
7413 {
7414   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7415     setMoveIntoAcidProperty(&level, element,
7416                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7417
7418   if (MAYBE_DONT_COLLIDE_WITH(element))
7419     setDontCollideWithProperty(&level, element,
7420                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7421 }
7422
7423 static void CopyElementPropertiesToGame(int element)
7424 {
7425   if (IS_CUSTOM_ELEMENT(element))
7426     CopyCustomElementPropertiesToGame(element);
7427   else if (IS_GROUP_ELEMENT(element))
7428     CopyGroupElementPropertiesToGame(element);
7429   else
7430     CopyClassicElementPropertiesToGame(element);
7431 }
7432
7433 void CheckElementDescriptions()
7434 {
7435   int i;
7436
7437   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7438     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7439       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7440 }
7441
7442 void DrawLevelEd()
7443 {
7444   StopAnimation();
7445
7446   CloseDoor(DOOR_CLOSE_ALL);
7447
7448 #if 1
7449   FadeOut(REDRAW_FIELD);
7450 #endif
7451
7452 #if 1
7453   /* needed if different viewport properties defined for editor */
7454   ChangeViewportPropertiesIfNeeded();
7455 #endif
7456
7457   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
7458
7459 #if DEBUG
7460   CheckElementDescriptions();
7461 #endif
7462
7463   if (level_editor_test_game)
7464   {
7465     CopyPlayfield(level.field, Feld);
7466     CopyPlayfield(FieldBackup, level.field);
7467
7468     level_editor_test_game = FALSE;
7469   }
7470   else
7471   {
7472     edit_mode = ED_MODE_DRAWING;
7473     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7474     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7475
7476     ResetUndoBuffer();
7477
7478     level_xpos = -1;
7479     level_ypos = -1;
7480   }
7481
7482   /* copy default editor door content to main double buffer */
7483 #if 1
7484   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7485              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7486              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7487              DXSIZE, DYSIZE, DX, DY);
7488 #else
7489   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7490              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
7491 #endif
7492
7493 #if 0
7494   printf("::: %d, %d  /  %d, %d\n", VX, VY, EX, EY);
7495 #endif
7496
7497   /* draw bigger door */
7498   DrawSpecialEditorDoor();
7499
7500   /* draw new control window */
7501   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7502              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7503
7504   redraw_mask |= REDRAW_ALL;
7505
7506 #if 1
7507   FreeLevelEditorGadgets();
7508   CreateLevelEditorGadgets();
7509 #endif
7510
7511   ReinitializeElementList();            /* update dynamic level element list */
7512   ReinitializeElementListButtons();     /* custom element may look different */
7513
7514   InitElementPropertiesGfxElement();
7515
7516 #if 1
7517   UnmapAllGadgets();
7518 #else
7519   UnmapTapeButtons();
7520 #endif
7521   MapControlButtons();
7522
7523 #if 0
7524   FadeOut(REDRAW_FIELD);
7525 #endif
7526
7527   DrawEditModeWindow();
7528
7529 #if 1
7530   FadeIn(REDRAW_FIELD);
7531 #endif
7532
7533   /* copy actual editor door content to door double buffer for OpenDoor() */
7534   BlitBitmap(drawto, bitmap_db_door,
7535              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7536
7537 #if 1
7538   /* draw new control window (with border) to window */
7539   redraw_mask |= REDRAW_ALL;
7540   BackToFront();
7541 #endif
7542
7543   OpenDoor(DOOR_OPEN_1);
7544 }
7545
7546 static void AdjustDrawingAreaGadgets()
7547 {
7548   int ed_xsize = lev_fieldx + 2;
7549   int ed_ysize = lev_fieldy + 2;
7550   int max_ed_fieldx = MAX_ED_FIELDX;
7551   int max_ed_fieldy = MAX_ED_FIELDY;
7552   boolean horizontal_scrollbar_needed;
7553   boolean vertical_scrollbar_needed;
7554   int x, y, width, height;
7555   int xoffset, yoffset;
7556
7557   /* check if we need any scrollbars */
7558   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7559   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7560
7561   /* check if we have a smaller editor field because of scrollbars */
7562   if (horizontal_scrollbar_needed)
7563     max_ed_fieldy = MAX_ED_FIELDY - 1;
7564   if (vertical_scrollbar_needed)
7565     max_ed_fieldx = MAX_ED_FIELDX - 1;
7566
7567   /* check again if we now need more scrollbars because of less space */
7568   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7569   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7570
7571   /* check if editor field gets even smaller after adding new scrollbars */
7572   if (horizontal_scrollbar_needed)
7573     max_ed_fieldy = MAX_ED_FIELDY - 1;
7574   if (vertical_scrollbar_needed)
7575     max_ed_fieldx = MAX_ED_FIELDX - 1;
7576
7577   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7578   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7579
7580   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7581                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7582                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7583                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7584                GDI_END);
7585
7586   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7587   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7588
7589   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7590   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7591
7592   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7593   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7594
7595   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7596   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7597
7598   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7599                GDI_WIDTH, width,
7600                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7601                GDI_END);
7602   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7603                GDI_HEIGHT, height,
7604                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7605                GDI_END);
7606 }
7607
7608 static void AdjustLevelScrollPosition()
7609 {
7610   if (level_xpos < -1)
7611     level_xpos = -1;
7612   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7613     level_xpos = lev_fieldx - ed_fieldx + 1;
7614   if (lev_fieldx < ed_fieldx - 2)
7615     level_xpos = -1;
7616
7617   if (level_ypos < -1)
7618     level_ypos = -1;
7619   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7620     level_ypos = lev_fieldy - ed_fieldy + 1;
7621   if (lev_fieldy < ed_fieldy - 2)
7622     level_ypos = -1;
7623 }
7624
7625 static void AdjustEditorScrollbar(int id)
7626 {
7627   struct GadgetInfo *gi = level_editor_gadget[id];
7628   int items_max, items_visible, item_position;
7629
7630   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7631   {
7632     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7633     items_visible = ed_fieldx;
7634     item_position = level_xpos + 1;
7635   }
7636   else
7637   {
7638     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7639     items_visible = ed_fieldy;
7640     item_position = level_ypos + 1;
7641   }
7642
7643   if (item_position > items_max - items_visible)
7644     item_position = items_max - items_visible;
7645
7646   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7647                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7648 }
7649
7650 static void AdjustElementListScrollbar()
7651 {
7652   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7653   int items_max, items_visible, item_position;
7654
7655   /* correct position of element list scrollbar */
7656   if (element_shift < 0)
7657     element_shift = 0;
7658   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7659     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7660
7661   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7662   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7663   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7664
7665   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7666                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7667                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7668 }
7669
7670 static void ModifyEditorCounterValue(int counter_id, int new_value)
7671 {
7672   int *counter_value = counterbutton_info[counter_id].value;
7673   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7674   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7675
7676   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7677
7678   if (counter_value != NULL)
7679     *counter_value = gi->textinput.number_value;
7680 }
7681
7682 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7683 {
7684   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7685   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7686
7687   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7688
7689   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7690       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7691   {
7692     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7693     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7694
7695     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7696     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7697   }
7698 }
7699
7700 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7701 {
7702   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7703   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7704   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7705
7706   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7707 }
7708
7709 static void ModifyEditorSelectboxOptions(int selectbox_id,
7710                                          struct ValueTextInfo *options)
7711 {
7712   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7713   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7714
7715   selectbox_info[selectbox_id].options = options;
7716
7717   /* set index to zero -- list may be shorter now (correct later, if needed) */
7718   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7719                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7720 }
7721
7722 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7723 {
7724   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7725   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7726
7727   drawingarea_info[drawingarea_id].area_xsize = xsize;
7728   drawingarea_info[drawingarea_id].area_ysize = ysize;
7729
7730   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7731 }
7732
7733 static void ModifyEditorElementList()
7734 {
7735   int i;
7736
7737   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7738   {
7739     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7740     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7741     struct GadgetDesign *gd = &gi->deco.design;
7742     int element = editor_elements[element_shift + i];
7743
7744     UnmapGadget(gi);
7745
7746     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7747     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7748
7749     MapGadget(gi);
7750   }
7751 }
7752
7753 static void PickDrawingElement(int button, int element)
7754 {
7755   if (button < 1 || button > 3)
7756     return;
7757
7758   if (button == 1)
7759   {
7760     new_element1 = element;
7761     DrawMiniGraphicExt(drawto,
7762                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7763                        el2edimg(new_element1));
7764   }
7765   else if (button == 2)
7766   {
7767     new_element2 = element;
7768     DrawMiniGraphicExt(drawto,
7769                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7770                        el2edimg(new_element2));
7771   }
7772   else
7773   {
7774     new_element3 = element;
7775     DrawMiniGraphicExt(drawto,
7776                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7777                        el2edimg(new_element3));
7778   }
7779
7780   redraw_mask |= REDRAW_DOOR_1;
7781 }
7782
7783 static void RedrawDrawingElements()
7784 {
7785   PickDrawingElement(1, new_element1);
7786   PickDrawingElement(2, new_element2);
7787   PickDrawingElement(3, new_element3);
7788 }
7789
7790 static void DrawDrawingWindow()
7791 {
7792   stick_element_properties_window = FALSE;
7793
7794   SetMainBackgroundImage(IMG_UNDEFINED);
7795   ClearField();
7796
7797   UnmapLevelEditorFieldGadgets();
7798   UnmapLevelEditorToolboxCustomGadgets();
7799
7800   AdjustDrawingAreaGadgets();
7801   AdjustLevelScrollPosition();
7802   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7803   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7804
7805   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7806
7807   MapMainDrawingArea();
7808   MapLevelEditorToolboxDrawingGadgets();
7809 }
7810
7811 static int getTabulatorBarWidth()
7812 {
7813   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7814   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7815
7816   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7817 }
7818
7819 static void DrawLevelInfoTabulatorGadgets()
7820 {
7821   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7822   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7823   int gd_x = gd->x + gd_gi1->border.width / 2;
7824   int gd_y = gd->y + gd_gi1->height - 1;
7825   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7826   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7827   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7828 #if 1
7829 #else
7830   int max_tabs = 2;
7831 #endif
7832   int i;
7833
7834   for (i = id_first; i <= id_last; i++)
7835   {
7836     int gadget_id = textbutton_info[i].gadget_id;
7837     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7838     boolean active = (i != edit_mode_levelinfo);
7839
7840     /* draw background line below tabulator button */
7841     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7842
7843     /* draw solid line below inactive tabulator buttons */
7844     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7845       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7846
7847     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7848     MapTextbuttonGadget(i);
7849   }
7850
7851 #if 1
7852   /* draw little border line below tabulator buttons */
7853   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7854     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7855                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7856                   tab_color);
7857 #else
7858   /* draw little border line below tabulator buttons */
7859   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7860     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7861                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7862                   ED_GADGET_DISTANCE, tab_color);
7863 #endif
7864 }
7865
7866 static void DrawPropertiesTabulatorGadgets()
7867 {
7868   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7869   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7870   int gd_x = gd->x + gd_gi1->border.width / 2;
7871   int gd_y = gd->y + gd_gi1->height - 1;
7872   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7873   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7874   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7875 #if 1
7876 #else
7877   int max_tabs = 4;
7878 #endif
7879   int i;
7880
7881   /* draw two config tabulators for player elements */
7882   if (ELEM_IS_PLAYER(properties_element))
7883     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7884
7885   /* draw two config and one "change" tabulator for custom elements */
7886   if (IS_CUSTOM_ELEMENT(properties_element))
7887     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7888
7889   for (i = id_first; i <= id_last; i++)
7890   {
7891     int gadget_id = textbutton_info[i].gadget_id;
7892     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7893     boolean active = (i != edit_mode_properties);
7894
7895     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7896     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7897         (ELEM_IS_PLAYER(properties_element) ||
7898          IS_CUSTOM_ELEMENT(properties_element)))
7899       continue;
7900
7901     /* draw background line below tabulator button */
7902     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7903
7904     /* draw solid line below inactive tabulator buttons */
7905     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7906       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7907
7908     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7909     MapTextbuttonGadget(i);
7910   }
7911
7912 #if 1
7913   /* draw little border line below tabulator buttons */
7914   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7915     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7916                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7917                   tab_color);
7918 #else
7919   /* draw little border line below tabulator buttons */
7920   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7921     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7922                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7923                   ED_GADGET_DISTANCE, tab_color);
7924 #endif
7925 }
7926
7927 static void DrawLevelInfoLevel()
7928 {
7929   int i;
7930
7931   /* draw counter gadgets */
7932   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7933     MapCounterButtons(i);
7934
7935   /* draw selectbox gadgets */
7936   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7937     MapSelectboxGadget(i);
7938
7939   /* draw text input gadgets */
7940   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7941     MapTextInputGadget(i);
7942 }
7943
7944 static void DrawLevelInfoEditor()
7945 {
7946   int i;
7947
7948   /* draw counter gadgets */
7949   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7950     MapCounterButtons(i);
7951
7952   /* draw checkbutton gadgets */
7953   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7954     MapCheckbuttonGadget(i);
7955
7956   /* draw radiobutton gadgets */
7957   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7958     MapRadiobuttonGadget(i);
7959
7960   /* draw drawing area */
7961   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7962 }
7963
7964 static void DrawLevelInfoWindow()
7965 {
7966   stick_element_properties_window = FALSE;
7967
7968   UnmapLevelEditorFieldGadgets();
7969
7970   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7971   ClearField();
7972
7973 #if 1
7974 #if 1
7975   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7976 #else
7977   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Level Settings");
7978   DrawTextSCentered(ED_SETTINGS2_YPOS, FONT_TITLE_1, "Editor Settings");
7979 #endif
7980 #else
7981   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7982            "Level Settings", FONT_TITLE_1);
7983   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
7984            "Editor Settings", FONT_TITLE_1);
7985 #endif
7986
7987   DrawLevelInfoTabulatorGadgets();
7988
7989   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7990     DrawLevelInfoLevel();
7991   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7992     DrawLevelInfoEditor();
7993 }
7994
7995 static void DrawCustomContentArea()
7996 {
7997   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7998   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7999   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8000   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8001   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8002   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
8003
8004   /* add distance for potential left text (without drawing area border) */
8005   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8006
8007   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8008
8009   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8010 }
8011
8012 static void DrawCustomChangeContentArea()
8013 {
8014   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8015   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8016   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8017   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8018   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8019   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
8020
8021   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8022
8023   MapDrawingArea(id);
8024 }
8025
8026 static void DrawYamYamContentAreas()
8027 {
8028   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8029   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8030   int i;
8031
8032   /* display counter to choose number of element content areas */
8033   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8034
8035   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8036   {
8037     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8038
8039     if (i < level.num_yamyam_contents)
8040     {
8041       MapDrawingArea(id);
8042     }
8043     else
8044     {
8045       int font_height = getFontHeight(FONT_TEXT_1);
8046
8047       UnmapDrawingArea(id);
8048
8049       /* delete content areas in case of reducing number of them */
8050       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8051                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8052                      4 * MINI_TILEX,
8053                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8054     }
8055   }
8056
8057   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
8058   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
8059   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
8060 }
8061
8062 static void DrawMagicBallContentAreas()
8063 {
8064   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8065   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8066   int i;
8067
8068   /* display counter to choose number of element content areas */
8069   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8070
8071   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8072   {
8073     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8074
8075     if (i < level.num_ball_contents)
8076     {
8077       MapDrawingArea(id);
8078     }
8079     else
8080     {
8081       int font_height = getFontHeight(FONT_TEXT_1);
8082
8083       UnmapDrawingArea(id);
8084
8085       /* delete content areas in case of reducing number of them */
8086       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8087                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8088                      4 * MINI_TILEX,
8089                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8090     }
8091   }
8092
8093   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
8094   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
8095   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
8096 }
8097
8098 static void DrawAndroidElementArea(int element)
8099 {
8100   int num_elements = level.num_android_clone_elements;
8101   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8102   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8103   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8104   int xsize = MAX_ANDROID_ELEMENTS;
8105   int ysize = 1;
8106
8107   /* display counter to choose number of element areas */
8108   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8109
8110   if (drawingarea_info[id].text_left != NULL)
8111     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8112
8113   UnmapDrawingArea(id);
8114
8115   ModifyEditorDrawingArea(id, num_elements, 1);
8116
8117   /* delete content areas in case of reducing number of them */
8118   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8119
8120   MapDrawingArea(id);
8121 }
8122
8123 static void DrawGroupElementArea(int element)
8124 {
8125   int num_elements = group_element_info.num_elements;
8126   int id = ED_DRAWING_ID_GROUP_CONTENT;
8127   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8128   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8129   int xsize = MAX_ELEMENTS_IN_GROUP;
8130   int ysize = 1;
8131
8132   if (drawingarea_info[id].text_left != NULL)
8133     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8134
8135   UnmapDrawingArea(id);
8136
8137   ModifyEditorDrawingArea(id, num_elements, 1);
8138
8139   /* delete content areas in case of reducing number of them */
8140   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8141
8142   MapDrawingArea(id);
8143 }
8144
8145 static void DrawPlayerInitialInventoryArea(int element)
8146 {
8147   int player_nr = GET_PLAYER_NR(element);
8148   int num_elements = level.initial_inventory_size[player_nr];
8149   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8150   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8151   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8152   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8153   int ysize = 1;
8154
8155   /* determine horizontal position to the right of specified gadget */
8156   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8157     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8158            ED_DRAWINGAREA_TEXT_DISTANCE);
8159
8160   /* determine horizontal offset for leading text */
8161   if (drawingarea_info[id].text_left != NULL)
8162     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8163
8164   UnmapDrawingArea(id);
8165
8166   ModifyEditorDrawingArea(id, num_elements, 1);
8167
8168   /* delete content areas in case of reducing number of them */
8169   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8170
8171   MapDrawingArea(id);
8172 }
8173
8174 static void DrawEnvelopeTextArea(int envelope_nr)
8175 {
8176   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8177   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8178
8179   UnmapGadget(gi);
8180   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8181
8182   if (envelope_nr != -1)
8183     textarea_info[id].value = level.envelope[envelope_nr].text;
8184
8185   ModifyGadget(gi, GDI_AREA_SIZE,
8186                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8187                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8188                GDI_END);
8189
8190   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8191 }
8192
8193 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8194 {
8195   int font_height = getFontHeight(font_nr);
8196   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8197   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8198   int sx = SX + pad_x;
8199   int sy = SY + pad_y;
8200   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8201
8202   if (start_line >= max_lines_per_screen)
8203     return FALSE;
8204
8205   DrawText(sx, sy + start_line * font_height, text, font_nr);
8206
8207   return TRUE;
8208 }
8209
8210 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8211 {
8212   int font_nr = FONT_TEXT_2;
8213   int font_width = getFontWidth(font_nr);
8214   int font_height = getFontHeight(font_nr);
8215   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8216   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8217   int sx = SX + pad_x;
8218   int sy = SY + pad_y + start_line * font_height;
8219   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8220   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8221
8222   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8223                       max_lines_per_screen, 0, -1, TRUE, FALSE, FALSE);
8224 }
8225
8226 static void DrawPropertiesInfo()
8227 {
8228   static struct
8229   {
8230     int value;
8231     char *text;
8232   }
8233   properties[] =
8234   {
8235     /* configurable properties */
8236
8237     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8238     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8239     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8240     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8241     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8242     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8243     { EP_PROTECTED,             "- player is protected by it"           },
8244
8245     { EP_DIGGABLE,              "- can be digged away"                  },
8246     { EP_COLLECTIBLE,           "- can be collected"                    },
8247     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8248     { EP_THROWABLE,             "- can be thrown after collecting"      },
8249     { EP_PUSHABLE,              "- can be pushed"                       },
8250
8251     { EP_CAN_FALL,              "- can fall"                            },
8252     { EP_CAN_MOVE,              "- can move"                            },
8253
8254     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8255 #if 0
8256     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8257 #endif
8258     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8259
8260     { EP_SLIPPERY,              "- slippery for falling elements"       },
8261     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8262
8263     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8264     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8265     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8266     { EP_DONT_TOUCH,            "- deadly when touching"                },
8267
8268     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8269
8270     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8271     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8272     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8273
8274     { EP_CAN_CHANGE,            "- can change to other element"         },
8275
8276     /* pre-defined properties */
8277     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8278     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8279     { EP_SWITCHABLE,            "- can be switched"                     },
8280 #if 0
8281     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8282 #endif
8283
8284     { -1,                       NULL                                    }
8285   };
8286   char *filename = getElementDescriptionFilename(properties_element);
8287   char *percentage_text = "In this level:";
8288   char *properties_text = "Standard properties:";
8289   float percentage;
8290   int num_elements_in_level;
8291   int num_standard_properties = 0;
8292   int font1_nr = FONT_TEXT_1;
8293   int font2_nr = FONT_TEXT_2;
8294   int font1_width = getFontWidth(font1_nr);
8295   int font2_height = getFontHeight(font2_nr);
8296   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8297   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8298   int screen_line = 0;
8299   int i, x, y;
8300
8301   if (setup.editor.show_element_token)
8302   {
8303     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8304               "[%s]", element_info[properties_element].token_name);
8305     screen_line++;
8306   }
8307
8308   /* ----- print number of elements / percentage of this element in level */
8309
8310   num_elements_in_level = 0;
8311   for (y = 0; y < lev_fieldy; y++)
8312     for (x = 0; x < lev_fieldx; x++)
8313       if (Feld[x][y] == properties_element)
8314         num_elements_in_level++;
8315   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8316
8317   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8318             percentage_text);
8319   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8320             pad_y + screen_line++ * font2_height, font2_nr,
8321             "%d (%.2f%%)", num_elements_in_level, percentage);
8322
8323   screen_line++;
8324
8325   /* ----- print standard properties of this element */
8326
8327   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8328             properties_text);
8329
8330   for (i = 0; properties[i].value != -1; i++)
8331   {
8332     if (!HAS_PROPERTY(properties_element, properties[i].value))
8333       continue;
8334
8335     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8336               properties[i].text);
8337     num_standard_properties++;
8338   }
8339
8340   if (num_standard_properties == 0)
8341     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8342               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8343
8344   screen_line++;
8345
8346   /* ----- print special description of this element */
8347
8348   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8349   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8350     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8351 }
8352
8353 #define TEXT_COLLECTING         "Score for collecting"
8354 #define TEXT_SMASHING           "Score for smashing"
8355 #define TEXT_SLURPING           "Score for slurping robot"
8356 #define TEXT_CRACKING           "Score for cracking"
8357 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8358 #define TEXT_DURATION           "Duration when activated"
8359 #define TEXT_BALL_DELAY         "Element generation delay"
8360 #define TEXT_MOVE_SPEED         "Speed of android moving"
8361 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8362 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8363 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8364 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8365 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8366 #define TEXT_TIME_BONUS         "Extra time to solve level"
8367
8368 static struct
8369 {
8370   int element;
8371   int *value;
8372   char *text;
8373 } elements_with_counter[] =
8374 {
8375   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8376   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8377   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8378   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8379   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8380   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8381   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8382   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8383   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8384   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8385   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8386   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8387   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8388   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8389   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8390   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8391   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8392   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8393   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8394   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8395   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8396   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8397   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8398   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8399   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8400   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8401   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8402   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8403   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8404   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8405   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8406   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8407   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8408   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8409   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8410   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8411   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8412   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8413   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8414   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8415   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8416   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8417   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8418   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8419   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8420   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8421   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8422   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8423   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8424   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8425   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8426   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8427   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8428   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8429   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8430   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8431   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8432   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8433   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8434   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8435   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8436   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8437   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8438   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8439   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8440   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8441   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8442   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8443   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8444   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8445   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8446   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8447   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8448   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8449
8450   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8451   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8452   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8453   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8454   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8455   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8456   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8457   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8458   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8459   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8460   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8461   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8462   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8463   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8464   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8465   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8466
8467   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8468   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8469   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8470   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8471   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8472   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8473   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8474   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8475
8476   { -1,                 NULL,                           NULL            }
8477 };
8478
8479 static boolean checkPropertiesConfig(int element)
8480 {
8481   int i;
8482
8483   if (IS_GEM(element) ||
8484       IS_CUSTOM_ELEMENT(element) ||
8485       IS_GROUP_ELEMENT(element) ||
8486       IS_ENVELOPE(element) ||
8487       ELEM_IS_PLAYER(element) ||
8488       HAS_EDITOR_CONTENT(element) ||
8489       CAN_GROW(element) ||
8490       COULD_MOVE_INTO_ACID(element) ||
8491       MAYBE_DONT_COLLIDE_WITH(element) ||
8492       element == EL_SOKOBAN_OBJECT ||
8493       element == EL_SOKOBAN_FIELD_EMPTY ||
8494       element == EL_SOKOBAN_FIELD_FULL)
8495     return TRUE;
8496   else
8497     for (i = 0; elements_with_counter[i].element != -1; i++)
8498       if (elements_with_counter[i].element == element)
8499         return TRUE;
8500
8501   return FALSE;
8502 }
8503
8504 static void DrawPropertiesConfig()
8505 {
8506   int max_num_element_counters = 4;
8507   int num_element_counters = 0;
8508   int i;
8509
8510   if (!checkPropertiesConfig(properties_element))
8511   {
8512     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8513
8514     return;
8515   }
8516
8517   /* check if there are elements where a value can be chosen for */
8518   for (i = 0; elements_with_counter[i].element != -1; i++)
8519   {
8520     if (elements_with_counter[i].element == properties_element)
8521     {
8522       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8523
8524       counterbutton_info[counter_id].y =
8525         ED_ELEMENT_SETTINGS_YPOS(
8526                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8527                 (CAN_GROW(properties_element)                ? 1 : 0) +
8528                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8529                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8530                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8531                 num_element_counters);
8532
8533       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8534       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8535
8536       if (properties_element == EL_GAME_OF_LIFE ||
8537           properties_element == EL_BIOMAZE)
8538       {
8539         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8540         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8541       }
8542       else
8543       {
8544         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8545         counterbutton_info[counter_id].min_value = MIN_SCORE;
8546         counterbutton_info[counter_id].max_value = MAX_SCORE;
8547       }
8548
8549       MapCounterButtons(counter_id);
8550
8551       num_element_counters++;
8552       if (num_element_counters >= max_num_element_counters)
8553         break;
8554     }
8555   }
8556
8557   if (HAS_EDITOR_CONTENT(properties_element))
8558   {
8559     /* draw stickybutton gadget */
8560     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8561
8562     if (IS_AMOEBOID(properties_element))
8563       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8564     else if (properties_element == EL_YAMYAM ||
8565              properties_element == EL_YAMYAM_LEFT ||
8566              properties_element == EL_YAMYAM_RIGHT ||
8567              properties_element == EL_YAMYAM_UP ||
8568              properties_element == EL_YAMYAM_DOWN)
8569       DrawYamYamContentAreas();
8570     else if (properties_element == EL_EMC_MAGIC_BALL)
8571     {
8572       DrawMagicBallContentAreas();
8573
8574       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8575       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8576     }
8577     else if (properties_element == EL_EMC_ANDROID)
8578       DrawAndroidElementArea(properties_element);
8579   }
8580
8581   if (ELEM_IS_PLAYER(properties_element))
8582   {
8583     int player_nr = GET_PLAYER_NR(properties_element);
8584
8585     /* these properties can be set for every player individually */
8586
8587     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8588     {
8589       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8590         &level.start_element[player_nr];
8591       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8592         &level.artwork_element[player_nr];
8593       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8594         &level.explosion_element[player_nr];
8595
8596       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8597         &level.use_start_element[player_nr];
8598       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8599         &level.use_artwork_element[player_nr];
8600       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8601         &level.use_explosion_element[player_nr];
8602       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8603         &level.initial_player_gravity[player_nr];
8604
8605       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8606         &level.initial_player_stepsize[player_nr];
8607
8608       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8609       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8610                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8611                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8612       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8613       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8614       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8615       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8616       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8617       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8618       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8619       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8620       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8621
8622       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8623       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8624       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8625
8626       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8627     }
8628     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8629     {
8630       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8631         &level.initial_inventory_content[player_nr][0];
8632
8633       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8634         &level.initial_inventory_size[player_nr];
8635
8636       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8637         &level.use_initial_inventory[player_nr];
8638
8639       /* draw checkbutton gadgets */
8640       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8641
8642       /* draw counter gadgets */
8643       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8644
8645       /* draw drawing area gadgets */
8646       DrawPlayerInitialInventoryArea(properties_element);
8647     }
8648   }
8649
8650   if (IS_GEM(properties_element))
8651     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8652
8653   if (properties_element == EL_EM_DYNAMITE)
8654     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8655
8656   if (COULD_MOVE_INTO_ACID(properties_element) &&
8657       !ELEM_IS_PLAYER(properties_element) &&
8658       (!IS_CUSTOM_ELEMENT(properties_element) ||
8659        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8660   {
8661     /* set position for checkbutton for "can move into acid" */
8662     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8663       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8664     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8665       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8666                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8667
8668     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8669   }
8670
8671   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8672     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8673
8674   if (properties_element == EL_SPRING)
8675     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8676
8677   if (properties_element == EL_TIME_ORB_FULL)
8678     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8679
8680   if (CAN_GROW(properties_element))
8681   {
8682     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8683       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8684
8685     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8686   }
8687
8688   if (properties_element == EL_SOKOBAN_OBJECT ||
8689       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8690       properties_element == EL_SOKOBAN_FIELD_FULL)
8691     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8692
8693   if (IS_ENVELOPE(properties_element))
8694   {
8695     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8696     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8697     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8698     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8699     int envelope_nr = properties_element - EL_ENVELOPE_1;
8700
8701     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8702     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8703
8704     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8705     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8706
8707     /* display counter to choose size of envelope text area */
8708     MapCounterButtons(counter1_id);
8709     MapCounterButtons(counter2_id);
8710
8711     /* display checkbuttons to choose auto-wrap and alignment properties */
8712     MapCheckbuttonGadget(button1_id);
8713     MapCheckbuttonGadget(button2_id);
8714
8715     DrawEnvelopeTextArea(envelope_nr);
8716   }
8717
8718   if (IS_CUSTOM_ELEMENT(properties_element))
8719   {
8720     /* draw stickybutton gadget */
8721     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8722
8723     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8724     {
8725       /* draw checkbutton gadgets */
8726       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8727            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8728         MapCheckbuttonGadget(i);
8729
8730       /* draw counter gadgets */
8731       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8732            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8733         MapCounterButtons(i);
8734
8735       /* draw selectbox gadgets */
8736       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8737            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8738         MapSelectboxGadget(i);
8739
8740       /* draw textbutton gadgets */
8741       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8742
8743       /* draw text input gadgets */
8744       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8745
8746       /* draw drawing area gadgets */
8747       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8748     }
8749     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8750     {
8751       /* draw checkbutton gadgets */
8752       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8753            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8754         MapCheckbuttonGadget(i);
8755
8756       /* draw counter gadgets */
8757       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8758            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8759         MapCounterButtons(i);
8760
8761       /* draw selectbox gadgets */
8762       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8763            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8764         MapSelectboxGadget(i);
8765
8766       /* draw drawing area gadgets */
8767       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8768       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8769       DrawCustomContentArea();
8770     }
8771   }
8772   else if (IS_GROUP_ELEMENT(properties_element))
8773   {
8774     /* draw stickybutton gadget */
8775     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8776
8777     /* draw checkbutton gadgets */
8778     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8779     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8780
8781     /* draw counter gadgets */
8782     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8783
8784     /* draw selectbox gadgets */
8785     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8786
8787     /* draw textbutton gadgets */
8788     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8789
8790     /* draw drawing area gadgets */
8791     DrawGroupElementArea(properties_element);
8792
8793     /* draw text input gadgets */
8794     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8795
8796     /* draw drawing area gadgets */
8797     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8798   }
8799 }
8800
8801 static void DrawPropertiesChangeDrawingAreas()
8802 {
8803   if (IS_CUSTOM_ELEMENT(properties_element))
8804   {
8805     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8806     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8807     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8808
8809     DrawCustomChangeContentArea();
8810   }
8811
8812   redraw_mask |= REDRAW_FIELD;
8813 }
8814
8815 static void DrawPropertiesChange()
8816 {
8817   int i;
8818
8819   /* needed to initially set selectbox options for special action options */
8820   setSelectboxSpecialActionOptions();
8821
8822   /* draw stickybutton gadget */
8823   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8824
8825   /* draw checkbutton gadgets */
8826   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8827        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8828     MapCheckbuttonGadget(i);
8829
8830   /* draw counter gadgets */
8831   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8832        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8833     MapCounterButtons(i);
8834
8835   /* draw selectbox gadgets */
8836   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8837        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8838     MapSelectboxGadget(i);
8839
8840   /* draw textbutton gadgets */
8841   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8842        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8843     MapTextbuttonGadget(i);
8844
8845   /* draw graphicbutton gadgets */
8846   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8847        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8848     MapGraphicbuttonGadget(i);
8849
8850   /* draw drawing area gadgets */
8851   DrawPropertiesChangeDrawingAreas();
8852 }
8853
8854 static void DrawEditorElementAnimation(int x, int y)
8855 {
8856   int graphic = el2img(properties_element);
8857   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8858                custom_element.ce_value_fixed_initial :
8859                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8860                custom_element.collect_score_initial : FrameCounter);
8861
8862   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8863 }
8864
8865 static void DrawEditorElementName(int x, int y, int element)
8866 {
8867   char *element_name = getElementInfoText(element);
8868   int font_nr = FONT_TEXT_1;
8869   int font_width = getFontWidth(font_nr);
8870   int font_height = getFontHeight(font_nr);
8871   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8872   int max_chars_per_line = max_text_width / font_width;
8873   char buffer[max_chars_per_line + 1];
8874
8875   if (strlen(element_name) <= max_chars_per_line)
8876     DrawTextS(x, y, font_nr, element_name);
8877   else
8878   {
8879     int next_pos = max_chars_per_line;
8880
8881     strncpy(buffer, element_name, max_chars_per_line);
8882     buffer[max_chars_per_line] = '\0';
8883
8884     if (element_name[max_chars_per_line] == ' ')
8885       next_pos++;
8886     else
8887     {
8888       int i;
8889
8890       for (i = max_chars_per_line - 1; i >= 0; i--)
8891         if (buffer[i] == ' ')
8892           break;
8893
8894       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8895       {
8896         buffer[i] = '\0';
8897         next_pos = i + 1;
8898       }
8899     }
8900
8901     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8902
8903     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8904     buffer[max_chars_per_line] = '\0';
8905
8906     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8907   }
8908 }
8909
8910 static void DrawPropertiesWindow()
8911 {
8912   int xstart = 2;
8913   int ystart = 4;
8914
8915   stick_element_properties_window = FALSE;
8916
8917   /* make sure that previous properties edit mode exists for this element */
8918   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8919       !IS_CUSTOM_ELEMENT(properties_element))
8920     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8921
8922   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8923       !ELEM_IS_PLAYER(properties_element) &&
8924       !IS_CUSTOM_ELEMENT(properties_element))
8925     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8926
8927   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8928       (ELEM_IS_PLAYER(properties_element) ||
8929        IS_CUSTOM_ELEMENT(properties_element)))
8930     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8931
8932   CopyElementPropertiesToEditor(properties_element);
8933
8934   UnmapLevelEditorFieldGadgets();
8935   UnmapLevelEditorToolboxDrawingGadgets();
8936   UnmapLevelEditorToolboxCustomGadgets();
8937
8938   if (IS_CUSTOM_ELEMENT(properties_element) ||
8939       IS_GROUP_ELEMENT(properties_element))
8940     MapLevelEditorToolboxCustomGadgets();
8941
8942   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8943   ClearField();
8944
8945 #if 1
8946   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8947 #else
8948   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
8949            "Element Settings", FONT_TITLE_1);
8950 #endif
8951
8952   FrameCounter = 0;     /* restart animation frame counter */
8953
8954   DrawElementBorder(SX + xstart * MINI_TILEX,
8955                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8956                     TILEX, TILEY, FALSE);
8957
8958   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8959                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8960
8961   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8962                         (ystart + 1) * MINI_TILEY + 1,
8963                         properties_element);
8964
8965   DrawPropertiesTabulatorGadgets();
8966
8967   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8968     DrawPropertiesInfo();
8969   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8970     DrawPropertiesChange();
8971   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8972     DrawPropertiesConfig();
8973 }
8974
8975 static void UpdateCustomElementGraphicGadgets()
8976 {
8977   struct ElementInfo *ei = &element_info[properties_element];
8978   int i;
8979
8980   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8981                      properties_element);
8982
8983   ModifyEditorElementList();
8984   RedrawDrawingElements();
8985
8986   /* force redraw of all mapped drawing area gadgets */
8987   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8988   {
8989     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8990
8991     if (gi->mapped)
8992       MapDrawingArea(i);
8993   }
8994 }
8995
8996 static int getOpenDirectionFromTube(int element)
8997 {
8998   switch (element)
8999   {
9000     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9001     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9002     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9003     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9004     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9005     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9006     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9007     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9008     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9009     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9010     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9011   }
9012
9013   return MV_NONE;
9014 }
9015
9016 static int getTubeFromOpenDirection(int direction)
9017 {
9018   switch (direction)
9019   {
9020     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9021     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9022     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9023     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9024     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9025     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9026     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9027     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9028     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9029     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9030     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9031
9032     /* if only one direction, fall back to simple tube with that direction */
9033     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9034     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9035     case (MV_UP):                       return EL_TUBE_VERTICAL;
9036     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9037   }
9038
9039   return EL_EMPTY;
9040 }
9041
9042 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9043 {
9044   int element_new = getTubeFromOpenDirection(direction);
9045
9046   return (element_new != EL_EMPTY ? element_new : element_old);
9047 }
9048
9049 static int getOpenDirectionFromBelt(int element)
9050 {
9051   int belt_dir = getBeltDirFromBeltElement(element);
9052
9053   return (belt_dir == MV_LEFT ? MV_RIGHT :
9054           belt_dir == MV_RIGHT ? MV_LEFT :
9055           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9056 }
9057
9058 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9059 {
9060   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9061                   direction == MV_RIGHT ? MV_LEFT :
9062                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9063
9064   if (direction == MV_NONE)
9065     return EL_EMPTY;
9066
9067   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9068 }
9069
9070 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9071                                                  int element_old)
9072 {
9073   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9074
9075   return (element_new != EL_EMPTY ? element_new : element_old);
9076 }
9077
9078 static int getOpenDirectionFromPool(int element)
9079 {
9080   switch (element)
9081   {
9082     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9083     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9084     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9085     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9086     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9087     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9088   }
9089
9090   return MV_NONE;
9091 }
9092
9093 static int getPoolFromOpenDirection(int direction)
9094 {
9095   switch (direction)
9096   {
9097     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9098     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9099     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9100     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9101     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9102     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9103   }
9104
9105   return EL_EMPTY;
9106 }
9107
9108 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9109 {
9110   int element = getPoolFromOpenDirection(direction);
9111   int help_direction = getOpenDirectionFromPool(help_element);
9112
9113   if (element == EL_EMPTY)
9114   {
9115     int help_direction_vertical = help_direction & MV_VERTICAL;
9116
9117     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9118   }
9119
9120   if (element == EL_EMPTY)
9121   {
9122     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9123
9124     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9125   }
9126
9127   return element;
9128 }
9129
9130 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9131 {
9132   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9133
9134   return (element_new != EL_EMPTY ? element_new : element_old);
9135 }
9136
9137 static int getOpenDirectionFromPillar(int element)
9138 {
9139   switch (element)
9140   {
9141     case EL_EMC_WALL_1:                 return (MV_DOWN);
9142     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9143     case EL_EMC_WALL_3:                 return (MV_UP);
9144   }
9145
9146   return MV_NONE;
9147 }
9148
9149 static int getPillarFromOpenDirection(int direction)
9150 {
9151   switch (direction)
9152   {
9153     case (MV_DOWN):                     return EL_EMC_WALL_1;
9154     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9155     case (MV_UP):                       return EL_EMC_WALL_3;
9156   }
9157
9158   return EL_EMPTY;
9159 }
9160
9161 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9162 {
9163   int element_new = getPillarFromOpenDirection(direction);
9164
9165   return (element_new != EL_EMPTY ? element_new : element_old);
9166 }
9167
9168 static int getOpenDirectionFromSteel2(int element)
9169 {
9170   switch (element)
9171   {
9172     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9173     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9174     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9175     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9176     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9177     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9178     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9179     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9180   }
9181
9182   return MV_NONE;
9183 }
9184
9185 static int getSteel2FromOpenDirection(int direction)
9186 {
9187   switch (direction)
9188   {
9189     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9190     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9191     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9192     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9193     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9194     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9195     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9196     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9197   }
9198
9199   return EL_EMPTY;
9200 }
9201
9202 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9203 {
9204   int element_new = getSteel2FromOpenDirection(direction);
9205
9206   return (element_new != EL_EMPTY ? element_new : element_old);
9207 }
9208
9209 static int getOpenDirectionFromChip(int element)
9210 {
9211   switch (element)
9212   {
9213     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9214     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9215     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9216     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9217     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9218   }
9219
9220   return MV_NONE;
9221 }
9222
9223 static int getChipFromOpenDirection(int direction)
9224 {
9225   switch (direction)
9226   {
9227     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9228     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9229     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9230     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9231     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9232   }
9233
9234   return EL_EMPTY;
9235 }
9236
9237 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9238 {
9239   int element_new = getChipFromOpenDirection(direction);
9240
9241   return (element_new != EL_EMPTY ? element_new : element_old);
9242 }
9243
9244 static int getClosedTube(int x, int y)
9245 {
9246   static int xy[4][2] =
9247   {
9248     { -1, 0 },
9249     { +1, 0 },
9250     { 0, -1 },
9251     { 0, +1 }
9252   };
9253   int element_old = IntelliDrawBuffer[x][y];
9254   int direction_old = getOpenDirectionFromTube(element_old);
9255   int direction_new = MV_NONE;
9256   int i;
9257
9258   for (i = 0; i < NUM_DIRECTIONS; i++)
9259   {
9260     int xx = x + xy[i][0];
9261     int yy = y + xy[i][1];
9262     int dir = MV_DIR_FROM_BIT(i);
9263     int dir_opposite = MV_DIR_OPPOSITE(dir);
9264
9265     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9266         (direction_old & dir) &&
9267         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9268       direction_new |= dir;
9269   }
9270
9271   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9272 }
9273
9274 static int getClosedBelt(int x, int y)
9275 {
9276   static int xy[4][2] =
9277   {
9278     { -1, 0 },
9279     { +1, 0 },
9280     { 0, -1 },
9281     { 0, +1 }
9282   };
9283   int element_old = IntelliDrawBuffer[x][y];
9284   int nr = getBeltNrFromBeltElement(element_old);
9285   int direction_old = getOpenDirectionFromBelt(element_old);
9286   int direction_new = MV_NONE;
9287   int i;
9288
9289   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9290   {
9291     int xx = x + xy[i][0];
9292     int yy = y + xy[i][1];
9293     int dir = MV_DIR_FROM_BIT(i);
9294     int dir_opposite = MV_DIR_OPPOSITE(dir);
9295
9296     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9297         (direction_old & dir) &&
9298         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9299       direction_new |= dir;
9300   }
9301
9302   return getBeltFromNrAndOpenDirection(nr, direction_new);
9303 }
9304
9305 static int getClosedPool(int x, int y)
9306 {
9307   static int xy[4][2] =
9308   {
9309     { -1, 0 },
9310     { +1, 0 },
9311     { 0, -1 },
9312     { 0, +1 }
9313   };
9314   int element_old = IntelliDrawBuffer[x][y];
9315   int direction_old = getOpenDirectionFromPool(element_old);
9316   int direction_new = MV_NONE;
9317   int i;
9318
9319   for (i = 0; i < NUM_DIRECTIONS; i++)
9320   {
9321     int xx = x + xy[i][0];
9322     int yy = y + xy[i][1];
9323     int dir = MV_DIR_FROM_BIT(i);
9324     int dir_opposite = MV_DIR_OPPOSITE(dir);
9325
9326     if (IN_LEV_FIELD(xx, yy) &&
9327         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9328         (direction_old & dir) &&
9329         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9330       direction_new |= dir;
9331   }
9332
9333   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9334 }
9335
9336 static int getClosedPillar(int x, int y)
9337 {
9338   static int xy[4][2] =
9339   {
9340     { -1, 0 },
9341     { +1, 0 },
9342     { 0, -1 },
9343     { 0, +1 }
9344   };
9345   int element_old = IntelliDrawBuffer[x][y];
9346   int direction_old = getOpenDirectionFromPillar(element_old);
9347   int direction_new = MV_NONE;
9348   int i;
9349
9350   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9351   {
9352     int xx = x + xy[i][0];
9353     int yy = y + xy[i][1];
9354     int dir = MV_DIR_FROM_BIT(i);
9355     int dir_opposite = MV_DIR_OPPOSITE(dir);
9356
9357     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9358         (direction_old & dir) &&
9359         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9360       direction_new |= dir;
9361   }
9362
9363   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9364 }
9365
9366 static int getClosedSteel2(int x, int y)
9367 {
9368   static int xy[4][2] =
9369   {
9370     { -1, 0 },
9371     { +1, 0 },
9372     { 0, -1 },
9373     { 0, +1 }
9374   };
9375   int element_old = IntelliDrawBuffer[x][y];
9376   int direction_old = getOpenDirectionFromSteel2(element_old);
9377   int direction_new = MV_NONE;
9378   int i;
9379
9380   for (i = 0; i < NUM_DIRECTIONS; i++)
9381   {
9382     int xx = x + xy[i][0];
9383     int yy = y + xy[i][1];
9384     int dir = MV_DIR_FROM_BIT(i);
9385     int dir_opposite = MV_DIR_OPPOSITE(dir);
9386
9387     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9388         (direction_old & dir) &&
9389         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9390       direction_new |= dir;
9391   }
9392
9393   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9394 }
9395
9396 static int getClosedChip(int x, int y)
9397 {
9398   static int xy[4][2] =
9399   {
9400     { -1, 0 },
9401     { +1, 0 },
9402     { 0, -1 },
9403     { 0, +1 }
9404   };
9405   int element_old = IntelliDrawBuffer[x][y];
9406   int direction_old = getOpenDirectionFromChip(element_old);
9407   int direction_new = MV_NONE;
9408   int i;
9409
9410   for (i = 0; i < NUM_DIRECTIONS; i++)
9411   {
9412     int xx = x + xy[i][0];
9413     int yy = y + xy[i][1];
9414     int dir = MV_DIR_FROM_BIT(i);
9415     int dir_opposite = MV_DIR_OPPOSITE(dir);
9416
9417     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9418         (direction_old & dir) &&
9419         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9420       direction_new |= dir;
9421   }
9422
9423   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9424 }
9425
9426 static void SetElementSimple(int x, int y, int element, boolean change_level)
9427 {
9428   int sx = x - level_xpos;
9429   int sy = y - level_ypos;
9430
9431   IntelliDrawBuffer[x][y] = element;
9432
9433   if (change_level)
9434     Feld[x][y] = element;
9435
9436   if (IN_ED_FIELD(sx, sy))
9437     DrawMiniElement(sx, sy, element);
9438 }
9439
9440 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9441                                            int x2, int y2, int *element2,
9442                                            int (*close_function)(int, int),
9443                                            boolean change_level)
9444 {
9445   /* set neighbour elements to newly determined connections */
9446   SetElementSimple(x1, y1, *element1, change_level);
9447   SetElementSimple(x2, y2, *element2, change_level);
9448
9449   /* remove all open connections of neighbour elements */
9450   *element1 = close_function(x1, y1);
9451   *element2 = close_function(x2, y2);
9452
9453   /* set neighbour elements to new, minimized connections */
9454   SetElementSimple(x1, y1, *element1, change_level);
9455   SetElementSimple(x2, y2, *element2, change_level);
9456 }
9457
9458 static void SetElementIntelliDraw(int x, int y, int new_element,
9459                                   boolean change_level, int button)
9460 {
9461   static int xy[4][2] =
9462   {
9463     { -1, 0 },
9464     { +1, 0 },
9465     { 0, -1 },
9466     { 0, +1 }
9467   };
9468   static int last_x = -1;
9469   static int last_y = -1;
9470   int old_element = IntelliDrawBuffer[x][y];
9471
9472   if (new_element == EL_UNDEFINED)
9473   {
9474     last_x = -1;
9475     last_y = -1;
9476
9477     return;
9478   }
9479
9480   if (IS_TUBE(new_element))
9481   {
9482     int last_element_new = EL_UNDEFINED;
9483     int direction = MV_NONE;
9484     int i;
9485
9486     /* if old element is of same kind, keep all existing directions */
9487     if (IS_TUBE(old_element))
9488       direction |= getOpenDirectionFromTube(old_element);
9489
9490     for (i = 0; i < NUM_DIRECTIONS; i++)
9491     {
9492       int xx = x + xy[i][0];
9493       int yy = y + xy[i][1];
9494
9495       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9496           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9497       {
9498         int dir = MV_DIR_FROM_BIT(i);
9499         int dir_opposite = MV_DIR_OPPOSITE(dir);
9500         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9501         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9502         int last_direction_new = last_direction_old | dir_opposite;
9503
9504         last_element_new = getTubeFromOpenDirection(last_direction_new);
9505
9506         direction |= dir;
9507       }
9508     }
9509
9510     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9511
9512     if (last_element_new != EL_UNDEFINED)
9513       MergeAndCloseNeighbourElements(x, y, &new_element,
9514                                      last_x, last_y, &last_element_new,
9515                                      getClosedTube, change_level);
9516   }
9517   else if (IS_BELT(new_element))
9518   {
9519     int belt_nr = getBeltNrFromBeltElement(new_element);
9520     int last_element_new = EL_UNDEFINED;
9521     int direction = MV_NONE;
9522     int i;
9523
9524     /* if old element is of same kind, keep all existing directions */
9525     if (IS_BELT(old_element))
9526       direction |= getOpenDirectionFromBelt(old_element);
9527
9528     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9529     {
9530       int xx = x + xy[i][0];
9531       int yy = y + xy[i][1];
9532
9533       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9534           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9535       {
9536         int dir = MV_DIR_FROM_BIT(i);
9537         int dir_opposite = MV_DIR_OPPOSITE(dir);
9538         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9539         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9540         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9541         int last_direction_new = last_direction_old | dir_opposite;
9542
9543         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9544                                                          last_direction_new);
9545         direction |= dir;
9546       }
9547     }
9548
9549     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9550                                                         new_element);
9551     if (last_element_new != EL_UNDEFINED)
9552       MergeAndCloseNeighbourElements(x, y, &new_element,
9553                                      last_x, last_y, &last_element_new,
9554                                      getClosedBelt, change_level);
9555   }
9556   else if (IS_ACID_POOL_OR_ACID(new_element))
9557   {
9558     int last_element_new = EL_UNDEFINED;
9559     int direction = MV_NONE;
9560     int i;
9561
9562     /* if old element is of same kind, keep all existing directions */
9563     if (IS_ACID_POOL_OR_ACID(old_element))
9564       direction |= getOpenDirectionFromPool(old_element);
9565
9566     for (i = 0; i < NUM_DIRECTIONS; i++)
9567     {
9568       int xx = x + xy[i][0];
9569       int yy = y + xy[i][1];
9570
9571       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9572           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9573       {
9574         int dir = MV_DIR_FROM_BIT(i);
9575         int dir_opposite = MV_DIR_OPPOSITE(dir);
9576         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9577         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9578         int last_direction_new = last_direction_old | dir_opposite;
9579
9580         last_element_new = getPoolFromOpenDirection(last_direction_new);
9581
9582         direction |= dir;
9583       }
9584     }
9585
9586     /* special corrections needed for intuitively correct acid pool drawing */
9587     if (last_element_new == EL_EMPTY)
9588       last_element_new = new_element;
9589     else if (last_element_new != EL_UNDEFINED)
9590       new_element = last_element_new;
9591
9592     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9593
9594     if (last_element_new != EL_UNDEFINED)
9595       MergeAndCloseNeighbourElements(x, y, &new_element,
9596                                      last_x, last_y, &last_element_new,
9597                                      getClosedPool, change_level);
9598   }
9599   else if (IS_EMC_PILLAR(new_element))
9600   {
9601     int last_element_new = EL_UNDEFINED;
9602     int direction = MV_NONE;
9603     int i;
9604
9605     /* if old element is of same kind, keep all existing directions */
9606     if (IS_EMC_PILLAR(old_element))
9607       direction |= getOpenDirectionFromPillar(old_element);
9608
9609     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9610     {
9611       int xx = x + xy[i][0];
9612       int yy = y + xy[i][1];
9613
9614       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9615           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9616       {
9617         int dir = MV_DIR_FROM_BIT(i);
9618         int dir_opposite = MV_DIR_OPPOSITE(dir);
9619         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9620         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9621         int last_direction_new = last_direction_old | dir_opposite;
9622
9623         last_element_new = getPillarFromOpenDirection(last_direction_new);
9624
9625         direction |= dir;
9626       }
9627     }
9628
9629     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9630
9631     if (last_element_new != EL_UNDEFINED)
9632       MergeAndCloseNeighbourElements(x, y, &new_element,
9633                                      last_x, last_y, &last_element_new,
9634                                      getClosedPillar, change_level);
9635   }
9636   else if (IS_DC_STEELWALL_2(new_element))
9637   {
9638     int last_element_new = EL_UNDEFINED;
9639     int direction = MV_NONE;
9640     int i;
9641
9642     /* if old element is of same kind, keep all existing directions */
9643     if (IS_DC_STEELWALL_2(old_element))
9644       direction |= getOpenDirectionFromSteel2(old_element);
9645
9646     for (i = 0; i < NUM_DIRECTIONS; i++)
9647     {
9648       int xx = x + xy[i][0];
9649       int yy = y + xy[i][1];
9650
9651       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9652           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9653       {
9654         int dir = MV_DIR_FROM_BIT(i);
9655         int dir_opposite = MV_DIR_OPPOSITE(dir);
9656         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9657         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9658         int last_direction_new = last_direction_old | dir_opposite;
9659
9660         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9661
9662         direction |= dir;
9663       }
9664     }
9665
9666     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9667
9668     if (last_element_new != EL_UNDEFINED)
9669       MergeAndCloseNeighbourElements(x, y, &new_element,
9670                                      last_x, last_y, &last_element_new,
9671                                      getClosedSteel2, change_level);
9672   }
9673   else if (IS_SP_CHIP(new_element))
9674   {
9675     int last_element_new = EL_UNDEFINED;
9676     int direction = MV_NONE;
9677     int i;
9678
9679     /* (do not keep existing directions, regardless of kind of old element) */
9680
9681     for (i = 0; i < NUM_DIRECTIONS; i++)
9682     {
9683       int xx = x + xy[i][0];
9684       int yy = y + xy[i][1];
9685
9686       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9687           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9688       {
9689         int dir = MV_DIR_FROM_BIT(i);
9690         int dir_opposite = MV_DIR_OPPOSITE(dir);
9691         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9692         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9693         int last_direction_new = last_direction_old | dir_opposite;
9694
9695         if (last_direction_old == MV_NONE)
9696         {
9697           last_element_new = getChipFromOpenDirection(last_direction_new);
9698           direction |= dir;
9699         }
9700         else if (last_direction_old & (dir | dir_opposite))
9701         {
9702           direction |= MV_DIR_OPPOSITE(last_direction_old);
9703         }
9704         else
9705         {
9706           direction |= MV_DIR_OPPOSITE(dir);
9707         }
9708       }
9709     }
9710
9711     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9712
9713     if (last_element_new != EL_UNDEFINED)
9714       MergeAndCloseNeighbourElements(x, y, &new_element,
9715                                      last_x, last_y, &last_element_new,
9716                                      getClosedChip, change_level);
9717   }
9718   else if (IS_SP_HARDWARE_BASE(new_element))
9719   {
9720     int nr = GetSimpleRandom(6);
9721
9722     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9723                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9724                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9725                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9726                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9727   }
9728   else if (new_element == EL_SP_HARDWARE_GREEN ||
9729            new_element == EL_SP_HARDWARE_BLUE ||
9730            new_element == EL_SP_HARDWARE_RED)
9731   {
9732     int nr = GetSimpleRandom(3);
9733
9734     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9735                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9736   }
9737   else if (IS_GROUP_ELEMENT(new_element))
9738   {
9739     boolean connected_drawing = FALSE;
9740     int i;
9741
9742     for (i = 0; i < NUM_DIRECTIONS; i++)
9743     {
9744       int xx = x + xy[i][0];
9745       int yy = y + xy[i][1];
9746
9747       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9748           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9749         connected_drawing = TRUE;
9750     }
9751
9752     if (!connected_drawing)
9753       ResolveGroupElement(new_element);
9754
9755     new_element = GetElementFromGroupElement(new_element);
9756   }
9757   else if (IS_BELT_SWITCH(old_element))
9758   {
9759     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9760     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9761
9762     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9763                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9764
9765     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9766   }
9767   else
9768   {
9769     static int swappable_elements[][2] =
9770     {
9771       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9772       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9773       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9774       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9775       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9776       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9777       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9778       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9779       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9780       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9781       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9782       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9783       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9784       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9785       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9786       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9787       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9788       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9789       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9790       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9791       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9792       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9793       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9794       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9795       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9796       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9797       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9798       { EL_PEARL,                       EL_WALL_PEARL                   },
9799       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9800       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9801       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9802       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9803       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9804       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9805       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9806       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9807       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9808       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9809       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9810       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9811
9812       { -1,                             -1                              },
9813     };
9814     static int rotatable_elements[][4] =
9815     {
9816       {
9817         EL_BUG_UP,
9818         EL_BUG_RIGHT,
9819         EL_BUG_DOWN,
9820         EL_BUG_LEFT
9821       },
9822
9823       {
9824         EL_SPACESHIP_UP,
9825         EL_SPACESHIP_RIGHT,
9826         EL_SPACESHIP_DOWN,
9827         EL_SPACESHIP_LEFT
9828       },
9829
9830       {
9831         EL_BD_BUTTERFLY_UP,
9832         EL_BD_BUTTERFLY_RIGHT,
9833         EL_BD_BUTTERFLY_DOWN,
9834         EL_BD_BUTTERFLY_LEFT
9835       },
9836
9837       {
9838         EL_BD_FIREFLY_UP,
9839         EL_BD_FIREFLY_RIGHT,
9840         EL_BD_FIREFLY_DOWN,
9841         EL_BD_FIREFLY_LEFT
9842       },
9843
9844       {
9845         EL_PACMAN_UP,
9846         EL_PACMAN_RIGHT,
9847         EL_PACMAN_DOWN,
9848         EL_PACMAN_LEFT
9849       },
9850
9851       {
9852         EL_YAMYAM_UP,
9853         EL_YAMYAM_RIGHT,
9854         EL_YAMYAM_DOWN,
9855         EL_YAMYAM_LEFT
9856       },
9857
9858       {
9859         EL_ARROW_UP,
9860         EL_ARROW_RIGHT,
9861         EL_ARROW_DOWN,
9862         EL_ARROW_LEFT
9863       },
9864
9865       {
9866         EL_SP_PORT_UP,
9867         EL_SP_PORT_RIGHT,
9868         EL_SP_PORT_DOWN,
9869         EL_SP_PORT_LEFT
9870       },
9871
9872       {
9873         EL_SP_GRAVITY_PORT_UP,
9874         EL_SP_GRAVITY_PORT_RIGHT,
9875         EL_SP_GRAVITY_PORT_DOWN,
9876         EL_SP_GRAVITY_PORT_LEFT
9877       },
9878
9879       {
9880         EL_SP_GRAVITY_ON_PORT_UP,
9881         EL_SP_GRAVITY_ON_PORT_RIGHT,
9882         EL_SP_GRAVITY_ON_PORT_DOWN,
9883         EL_SP_GRAVITY_ON_PORT_LEFT
9884       },
9885
9886       {
9887         EL_SP_GRAVITY_OFF_PORT_UP,
9888         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9889         EL_SP_GRAVITY_OFF_PORT_DOWN,
9890         EL_SP_GRAVITY_OFF_PORT_LEFT
9891       },
9892
9893       {
9894         EL_MOLE_UP,
9895         EL_MOLE_RIGHT,
9896         EL_MOLE_DOWN,
9897         EL_MOLE_LEFT
9898       },
9899
9900       {
9901         EL_BALLOON_SWITCH_UP,
9902         EL_BALLOON_SWITCH_RIGHT,
9903         EL_BALLOON_SWITCH_DOWN,
9904         EL_BALLOON_SWITCH_LEFT
9905       },
9906
9907       {
9908         -1,
9909         -1,
9910         -1,
9911         -1,
9912       },
9913     };
9914     int i, j;
9915
9916     for (i = 0; swappable_elements[i][0] != -1; i++)
9917     {
9918       int element1 = swappable_elements[i][0];
9919       int element2 = swappable_elements[i][1];
9920
9921       if (old_element == element1 || old_element == element2)
9922         new_element = (old_element == element1 ? element2 : element1);
9923     }
9924
9925     for (i = 0; rotatable_elements[i][0] != -1; i++)
9926     {
9927       for (j = 0; j < 4; j++)
9928       {
9929         int element = rotatable_elements[i][j];
9930
9931         if (old_element == element)
9932           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9933                          button == 2 ? rotatable_elements[i][0]           :
9934                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9935                          old_element);
9936       }
9937     }
9938   }
9939
9940   SetElementSimple(x, y, new_element, change_level);
9941
9942   last_x = x;
9943   last_y = y;
9944 }
9945
9946 static void ResetIntelliDraw()
9947 {
9948   int x, y;
9949
9950   for (x = 0; x < lev_fieldx; x++)
9951     for (y = 0; y < lev_fieldy; y++)
9952       IntelliDrawBuffer[x][y] = Feld[x][y];
9953
9954   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9955 }
9956
9957 static void SetElementExt(int x, int y, int element, boolean change_level,
9958                           int button)
9959 {
9960   if (element < 0)
9961     SetElementSimple(x, y, Feld[x][y], change_level);
9962   else if (GetKeyModState() & KMOD_Shift)
9963     SetElementIntelliDraw(x, y, element, change_level, button);
9964   else
9965     SetElementSimple(x, y, element, change_level);
9966 }
9967
9968 static void SetElement(int x, int y, int element)
9969 {
9970   SetElementExt(x, y, element, TRUE, -1);
9971 }
9972
9973 static void SetElementButton(int x, int y, int element, int button)
9974 {
9975   SetElementExt(x, y, element, TRUE, button);
9976 }
9977
9978 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9979 {
9980   int lx = sx + level_xpos;
9981   int ly = sy + level_ypos;
9982
9983   SetElementExt(lx, ly, element, change_level, -1);
9984 }
9985
9986 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9987                      int element, boolean change_level)
9988 {
9989   int xsize = ABS(to_x - from_x);
9990   int ysize = ABS(to_y - from_y);
9991   int dx = (to_x < from_x ? -1 : +1);
9992   int dy = (to_y < from_y ? -1 : +1);
9993   int i;
9994
9995   if (from_y == to_y)                   /* horizontal line */
9996   {
9997     for (i = 0; i <= xsize; i++)
9998       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9999   }
10000   else if (from_x == to_x)              /* vertical line */
10001   {
10002     for (i = 0; i <= ysize; i++)
10003       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10004   }
10005   else                                  /* diagonal line */
10006   {
10007     if (ysize < xsize)                  /* a < 1 */
10008     {
10009       float a = (float)ysize / (float)xsize;
10010
10011       for (i = 0; i <= xsize; i++)
10012       {
10013         int x = dx * i;
10014         int y = dy * (int)(a * i + 0.5);
10015
10016         DrawLineElement(from_x + x, from_y + y, element, change_level);
10017       }
10018     }
10019     else                                /* a >= 1 */
10020     {
10021       float a = (float)xsize / (float)ysize;
10022
10023       for (i = 0; i <= ysize; i++)
10024       {
10025         int x = dx * (int)(a * i + 0.5);
10026         int y = dy * i;
10027
10028         DrawLineElement(from_x + x, from_y + y, element, change_level);
10029       }
10030     }
10031   }
10032 }
10033
10034 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10035                     int element, boolean change_level)
10036 {
10037   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10038   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10039   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10040   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10041 }
10042
10043 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10044                           int element, boolean change_level)
10045 {
10046   int y;
10047
10048   if (from_y > to_y)
10049     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10050
10051   for (y = from_y; y <= to_y; y++)
10052     DrawLine(from_x, y, to_x, y, element, change_level);
10053 }
10054
10055 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10056                        int element, boolean change_level)
10057 {
10058   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10059   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10060   int len_x = ABS(to_x - from_x);
10061   int len_y = ABS(to_y - from_y);
10062   int radius, x, y;
10063
10064   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10065
10066   /* not optimal (some points get drawn twice) but simple,
10067      and fast enough for the few points we are drawing */
10068
10069   for (x = 0; x <= radius; x++)
10070   {
10071     int sx, sy, lx, ly;
10072
10073     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10074
10075     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10076     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10077     lx = sx + level_xpos;
10078     ly = sy + level_ypos;
10079
10080     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10081       DrawLineElement(sx, sy, element, change_level);
10082   }
10083
10084   for (y = 0; y <= radius; y++)
10085   {
10086     int sx, sy, lx, ly;
10087
10088     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10089
10090     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10091     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10092     lx = sx + level_xpos;
10093     ly = sy + level_ypos;
10094
10095     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10096       DrawLineElement(sx, sy, element, change_level);
10097   }
10098 }
10099
10100 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10101                     int element, boolean change_level)
10102 {
10103   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10104   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10105
10106   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10107 }
10108
10109 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10110
10111 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10112 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10113                        int element, boolean change_level)
10114 {
10115   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10116   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10117   int mirror_to_x2 = from_x - (to_x2 - from_x);
10118   int mirror_to_y2 = from_y - (to_y2 - from_y);
10119
10120   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10121   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10122   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10123   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10124 }
10125 #endif
10126
10127 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10128 {
10129   int from_sx, from_sy;
10130   int to_sx, to_sy;
10131
10132   if (from_x > to_x)
10133     swap_numbers(&from_x, &to_x);
10134
10135   if (from_y > to_y)
10136     swap_numbers(&from_y, &to_y);
10137
10138   from_sx = SX + from_x * MINI_TILEX;
10139   from_sy = SY + from_y * MINI_TILEY;
10140   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10141   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10142
10143   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10144   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10145   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10146   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10147
10148   if (from_x == to_x && from_y == to_y)
10149     MarkTileDirty(from_x/2, from_y/2);
10150   else
10151     redraw_mask |= REDRAW_FIELD;
10152 }
10153
10154 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10155                        int element, boolean change_level)
10156 {
10157   if (element == -1 || change_level)
10158     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10159   else
10160     DrawAreaBorder(from_x, from_y, to_x, to_y);
10161 }
10162
10163 /* values for CopyBrushExt() */
10164 #define CB_AREA_TO_BRUSH        0
10165 #define CB_BRUSH_TO_CURSOR      1
10166 #define CB_BRUSH_TO_LEVEL       2
10167 #define CB_DELETE_OLD_CURSOR    3
10168 #define CB_DUMP_BRUSH           4
10169 #define CB_DUMP_BRUSH_SMALL     5
10170
10171 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10172                          int button, int mode)
10173 {
10174 #if 1
10175   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10176 #else
10177   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
10178 #endif
10179   static int brush_width, brush_height;
10180   static int last_cursor_x = -1, last_cursor_y = -1;
10181   static boolean delete_old_brush;
10182   int new_element = BUTTON_ELEMENT(button);
10183   int x, y;
10184
10185   if (mode == CB_DUMP_BRUSH ||
10186       mode == CB_DUMP_BRUSH_SMALL)
10187   {
10188     if (!draw_with_brush)
10189     {
10190       Error(ERR_WARN, "no brush selected");
10191
10192       return;
10193     }
10194
10195     for (y = 0; y < brush_height; y++)
10196     {
10197       for (x = 0; x < brush_width; x++)
10198       {
10199         int element = brush_buffer[x][y];
10200         int element_mapped = element;
10201
10202         if (IS_CUSTOM_ELEMENT(element))
10203           element_mapped = EL_CUSTOM_START;
10204         else if (IS_GROUP_ELEMENT(element))
10205           element_mapped = EL_GROUP_START;
10206         else if (element >= NUM_FILE_ELEMENTS)
10207           element_mapped = EL_UNKNOWN;
10208
10209         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
10210       }
10211
10212       printf("\n");
10213     }
10214
10215     return;
10216   }
10217
10218   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10219     return;
10220
10221   if (mode == CB_AREA_TO_BRUSH)
10222   {
10223     int from_lx, from_ly;
10224
10225     if (from_x > to_x)
10226       swap_numbers(&from_x, &to_x);
10227
10228     if (from_y > to_y)
10229       swap_numbers(&from_y, &to_y);
10230
10231     brush_width = to_x - from_x + 1;
10232     brush_height = to_y - from_y + 1;
10233
10234     from_lx = from_x + level_xpos;
10235     from_ly = from_y + level_ypos;
10236
10237     for (y = 0; y < brush_height; y++)
10238     {
10239       for (x = 0; x < brush_width; x++)
10240       {
10241         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10242
10243         if (button != 1)
10244           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10245       }
10246     }
10247
10248     if (button != 1)
10249       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10250
10251     delete_old_brush = FALSE;
10252   }
10253   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10254            mode == CB_BRUSH_TO_LEVEL)
10255   {
10256     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10257     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10258     int cursor_from_x = cursor_x - brush_width / 2;
10259     int cursor_from_y = cursor_y - brush_height / 2;
10260     int border_from_x = cursor_x, border_from_y = cursor_y;
10261     int border_to_x = cursor_x, border_to_y = cursor_y;
10262
10263     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10264       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10265
10266     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10267         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10268     {
10269       delete_old_brush = FALSE;
10270       return;
10271     }
10272
10273     for (y = 0; y < brush_height; y++)
10274     {
10275       for (x = 0; x < brush_width; x++)
10276       {
10277         int sx = cursor_from_x + x;
10278         int sy = cursor_from_y + y;
10279         int lx = sx + level_xpos;
10280         int ly = sy + level_ypos;
10281         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10282         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10283                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10284                        brush_buffer[x][y] : new_element);
10285
10286         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10287         {
10288           if (sx < border_from_x)
10289             border_from_x = sx;
10290           else if (sx > border_to_x)
10291             border_to_x = sx;
10292           if (sy < border_from_y)
10293             border_from_y = sy;
10294           else if (sy > border_to_y)
10295             border_to_y = sy;
10296
10297           DrawLineElement(sx, sy, element, change_level);
10298         }
10299       }
10300     }
10301
10302     if (mode != CB_DELETE_OLD_CURSOR)
10303       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10304
10305     last_cursor_x = cursor_x;
10306     last_cursor_y = cursor_y;
10307     delete_old_brush = TRUE;
10308   }
10309 }
10310
10311 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10312                             int button)
10313 {
10314   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10315 }
10316
10317 static void CopyBrushToLevel(int x, int y, int button)
10318 {
10319   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10320 }
10321
10322 static void CopyBrushToCursor(int x, int y)
10323 {
10324   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10325 }
10326
10327 static void DeleteBrushFromCursor()
10328 {
10329   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10330 }
10331
10332 void DumpBrush()
10333 {
10334   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10335 }
10336
10337 void DumpBrush_Small()
10338 {
10339   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10340 }
10341
10342 static void FloodFill(int from_x, int from_y, int fill_element)
10343 {
10344   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10345 }
10346
10347 /* values for DrawLevelText() modes */
10348 #define TEXT_INIT               0
10349 #define TEXT_SETCURSOR          1
10350 #define TEXT_WRITECHAR          2
10351 #define TEXT_BACKSPACE          3
10352 #define TEXT_NEWLINE            4
10353 #define TEXT_END                5
10354 #define TEXT_QUERY_TYPING       6
10355
10356 static int DrawLevelText(int sx, int sy, char letter, int mode)
10357 {
10358   static short delete_buffer[MAX_LEV_FIELDX];
10359   static int start_sx;
10360 #if 0
10361   static int start_sy;
10362 #endif
10363   static int last_sx, last_sy;
10364   static boolean typing = FALSE;
10365   int letter_element = EL_CHAR_ASCII0 + letter;
10366   int lx = 0, ly = 0;
10367
10368   /* map lower case letters to upper case and convert special characters */
10369   if (letter >= 'a' && letter <= 'z')
10370     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10371   else if (letter == 'ä' || letter == 'Ä')
10372     letter_element = EL_CHAR_AUMLAUT;
10373   else if (letter == 'ö' || letter == 'Ö')
10374     letter_element = EL_CHAR_OUMLAUT;
10375   else if (letter == 'ü' || letter == 'Ü')
10376     letter_element = EL_CHAR_UUMLAUT;
10377   else if (letter == '^')
10378     letter_element = EL_CHAR_COPYRIGHT;
10379   else
10380     letter_element = EL_CHAR_ASCII0 + letter;
10381
10382   if (mode != TEXT_INIT)
10383   {
10384     if (!typing)
10385       return FALSE;
10386
10387     if (mode != TEXT_SETCURSOR)
10388     {
10389       sx = last_sx;
10390       sy = last_sy;
10391     }
10392
10393     lx = last_sx + level_xpos;
10394     ly = last_sy + level_ypos;
10395   }
10396
10397   switch (mode)
10398   {
10399     case TEXT_INIT:
10400       if (typing)
10401         DrawLevelText(0, 0, 0, TEXT_END);
10402
10403       typing = TRUE;
10404       start_sx = sx;
10405 #if 0
10406       start_sy = sy;
10407 #endif
10408       last_sx = sx;
10409       last_sy = sy;
10410       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10411       break;
10412
10413     case TEXT_SETCURSOR:
10414       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10415       DrawAreaBorder(sx, sy, sx, sy);
10416       last_sx = sx;
10417       last_sy = sy;
10418       break;
10419
10420     case TEXT_WRITECHAR:
10421       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10422       {
10423         delete_buffer[sx - start_sx] = Feld[lx][ly];
10424         Feld[lx][ly] = letter_element;
10425
10426         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10427           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10428         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10429           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10430         else
10431           DrawLevelText(0, 0, 0, TEXT_END);
10432
10433         level.changed = TRUE;
10434       }
10435       break;
10436
10437     case TEXT_BACKSPACE:
10438       if (sx > start_sx)
10439       {
10440         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10441         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10442         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10443       }
10444       break;
10445
10446     case TEXT_NEWLINE:
10447       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10448         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10449       else
10450         DrawLevelText(0, 0, 0, TEXT_END);
10451       break;
10452
10453     case TEXT_END:
10454       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10455       DrawMiniElement(sx, sy, Feld[lx][ly]);
10456       typing = FALSE;
10457       break;
10458
10459     case TEXT_QUERY_TYPING:
10460       break;
10461
10462     default:
10463       break;
10464   }
10465
10466   return typing;
10467 }
10468
10469 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10470                           int element, boolean change_level)
10471 {
10472   int lx = sx + level_xpos;
10473   int ly = sy + level_ypos;
10474
10475   if (element == -1)
10476     DrawMiniElement(sx, sy, Feld[lx][ly]);
10477   else
10478     DrawAreaBorder(sx, sy, sx, sy);
10479 }
10480
10481 static void CheckLevelBorderElement(boolean redraw_playfield)
10482 {
10483   int last_border_element = BorderElement;
10484
10485   SetBorderElement();
10486
10487   if (redraw_playfield && BorderElement != last_border_element)
10488     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10489 }
10490
10491 static void CopyLevelToUndoBuffer(int mode)
10492 {
10493   static boolean accumulated_undo = FALSE;
10494   boolean new_undo_buffer_position = TRUE;
10495   int x, y;
10496
10497   switch (mode)
10498   {
10499     case UNDO_IMMEDIATE:
10500       accumulated_undo = FALSE;
10501       break;
10502
10503     case UNDO_ACCUMULATE:
10504       if (accumulated_undo)
10505         new_undo_buffer_position = FALSE;
10506       accumulated_undo = TRUE;
10507       break;
10508
10509     default:
10510       break;
10511   }
10512
10513   if (new_undo_buffer_position)
10514   {
10515     /* new position in undo buffer ring */
10516     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10517
10518     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10519       undo_buffer_steps++;
10520   }
10521
10522   for (x = 0; x < lev_fieldx; x++)
10523     for (y = 0; y < lev_fieldy; y++)
10524       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10525
10526   /* check if drawing operation forces change of border style */
10527   CheckLevelBorderElement(TRUE);
10528
10529   level.changed = TRUE;
10530 }
10531
10532 static void RandomPlacement(int new_element)
10533 {
10534   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10535   int num_free_positions = 0;
10536   int num_percentage, num_elements;
10537   int x, y;
10538
10539 #if 1
10540   ResetIntelliDraw();
10541 #endif
10542
10543   /* determine number of free positions for randomly placing the new element */
10544   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10545   {
10546     free_position[x][y] =
10547       (random_placement_background_restricted ?
10548        Feld[x][y] == random_placement_background_element :
10549        Feld[x][y] != new_element);
10550
10551     if (free_position[x][y])
10552       num_free_positions++;
10553   }
10554
10555   /* determine number of new elements to place there */
10556   num_percentage = num_free_positions * random_placement_value / 100;
10557   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10558                   num_percentage : random_placement_value);
10559
10560   /* if less free positions than elements to place, fill all these positions */
10561   if (num_free_positions < num_elements)
10562   {
10563     for (x = 0; x < lev_fieldx; x++)
10564       for (y = 0; y < lev_fieldy; y++)
10565         if (free_position[x][y])
10566 #if 1
10567           SetElement(x, y, new_element);
10568 #else
10569           Feld[x][y] = new_element;
10570 #endif
10571   }
10572   else
10573   {
10574     while (num_elements > 0)
10575     {
10576       x = GetSimpleRandom(lev_fieldx);
10577       y = GetSimpleRandom(lev_fieldy);
10578
10579       /* don't place element at the same position twice */
10580       if (free_position[x][y])
10581       {
10582         free_position[x][y] = FALSE;
10583 #if 1
10584         SetElement(x, y, new_element);
10585 #else
10586         Feld[x][y] = new_element;
10587 #endif
10588         num_elements--;
10589       }
10590     }
10591   }
10592
10593   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10594   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10595 }
10596
10597 void WrapLevel(int dx, int dy)
10598 {
10599   int wrap_dx = lev_fieldx - dx;
10600   int wrap_dy = lev_fieldy - dy;
10601   int x, y;
10602
10603   for (x = 0; x < lev_fieldx; x++)
10604     for (y = 0; y < lev_fieldy; y++)
10605       FieldBackup[x][y] = Feld[x][y];
10606
10607   for (x = 0; x < lev_fieldx; x++)
10608     for (y = 0; y < lev_fieldy; y++)
10609       Feld[x][y] =
10610         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10611
10612   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10613   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10614 }
10615
10616 static void HandleDrawingAreas(struct GadgetInfo *gi)
10617 {
10618   static boolean started_inside_drawing_area = FALSE;
10619   int id = gi->custom_id;
10620   boolean button_press_event;
10621   boolean button_release_event;
10622   boolean inside_drawing_area = !gi->event.off_borders;
10623   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10624   int actual_drawing_function;
10625   int button = gi->event.button;
10626   int new_element = BUTTON_ELEMENT(button);
10627   int sx = gi->event.x, sy = gi->event.y;
10628   int min_sx = 0, min_sy = 0;
10629   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10630   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10631   int lx = 0, ly = 0;
10632   int min_lx = 0, min_ly = 0;
10633   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10634   int x, y;
10635
10636   /* handle info callback for each invocation of action callback */
10637   gi->callback_info(gi);
10638
10639   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10640   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10641
10642   /* make sure to stay inside drawing area boundaries */
10643   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10644   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10645
10646   if (draw_level)
10647   {
10648     /* get positions inside level field */
10649     lx = sx + level_xpos;
10650     ly = sy + level_ypos;
10651
10652     if (!IN_LEV_FIELD(lx, ly))
10653       inside_drawing_area = FALSE;
10654
10655     /* make sure to stay inside level field boundaries */
10656     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10657     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10658
10659     /* correct drawing area positions accordingly */
10660     sx = lx - level_xpos;
10661     sy = ly - level_ypos;
10662   }
10663
10664   if (button_press_event)
10665     started_inside_drawing_area = inside_drawing_area;
10666
10667   if (!started_inside_drawing_area)
10668     return;
10669
10670   if (!IS_VALID_BUTTON(button))
10671     return;
10672
10673   if (!button && !button_release_event)
10674     return;
10675
10676   /* automatically switch to 'single item' drawing mode, if needed */
10677   actual_drawing_function =
10678     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10679      drawing_function : GADGET_ID_SINGLE_ITEMS);
10680
10681   /* clicking into drawing area with pressed Control key picks element */
10682   if (GetKeyModState() & KMOD_Control)
10683   {
10684     last_drawing_function = drawing_function;
10685     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10686   }
10687
10688   if (GetKeyModState() & KMOD_Shift)
10689   {
10690     if (button_press_event || button_release_event)
10691       ResetIntelliDraw();
10692   }
10693
10694   switch (actual_drawing_function)
10695   {
10696     case GADGET_ID_SINGLE_ITEMS:
10697       if (draw_level)
10698       {
10699         if (button_release_event)
10700         {
10701           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10702
10703           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10704               !inside_drawing_area)
10705             DeleteBrushFromCursor();
10706
10707 #if 0
10708           ResetIntelliDraw();
10709 #endif
10710         }
10711
10712         if (!button || button_release_event)
10713           break;
10714
10715         if (draw_with_brush)
10716         {
10717 #if 0
10718           if (!button_release_event)
10719 #endif
10720             CopyBrushToLevel(sx, sy, button);
10721         }
10722 #if 1
10723         else
10724 #else
10725         else if (new_element != Feld[lx][ly])
10726 #endif
10727         {
10728           if (new_element == EL_PLAYER_1)
10729           {
10730             /* remove player at old position */
10731             for (y = 0; y < lev_fieldy; y++)
10732             {
10733               for (x = 0; x < lev_fieldx; x++)
10734               {
10735                 if (Feld[x][y] == EL_PLAYER_1)
10736                 {
10737 #if 1
10738                   SetElement(x, y, EL_EMPTY);
10739 #else
10740                   Feld[x][y] = EL_EMPTY;
10741 #if 1
10742                   if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
10743                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10744 #else
10745                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
10746                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
10747                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10748 #endif
10749 #endif
10750                 }
10751               }
10752             }
10753           }
10754
10755 #if 1
10756           SetElementButton(lx, ly, new_element, button);
10757 #else
10758           Feld[lx][ly] = new_element;
10759           DrawMiniElement(sx, sy, new_element);
10760 #endif
10761         }
10762       }
10763       else
10764       {
10765         int type_id = gi->custom_type_id;
10766         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10767
10768         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10769           DrawMiniGraphicExt(drawto,
10770                              gi->x + sx * MINI_TILEX,
10771                              gi->y + sy * MINI_TILEY,
10772                              el2edimg(new_element));
10773         else
10774           DrawFixedGraphicExt(drawto,
10775                               gi->x + sx * TILEX,
10776                               gi->y + sy * TILEY,
10777                               el2img(new_element), 0);
10778
10779         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10780           new_element = GFX_ELEMENT(new_element);
10781
10782         drawingarea_info[type_id].value[pos] = new_element;
10783
10784         CopyElementPropertiesToGame(properties_element);
10785
10786         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10787         {
10788           UpdateCustomElementGraphicGadgets();
10789
10790           FrameCounter = 0;     /* restart animation frame counter */
10791         }
10792       }
10793       break;
10794
10795     case GADGET_ID_CONNECTED_ITEMS:
10796       {
10797         static int last_sx = -1;
10798         static int last_sy = -1;
10799
10800         if (button_release_event)
10801           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10802
10803         if (button)
10804         {
10805           if (!button_press_event)
10806             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10807
10808           last_sx = sx;
10809           last_sy = sy;
10810         }
10811       }
10812       break;
10813
10814     case GADGET_ID_LINE:
10815     case GADGET_ID_ARC:
10816     case GADGET_ID_RECTANGLE:
10817     case GADGET_ID_FILLED_BOX:
10818     case GADGET_ID_GRAB_BRUSH:
10819     case GADGET_ID_TEXT:
10820       {
10821         static int last_sx = -1;
10822         static int last_sy = -1;
10823         static int start_sx = -1;
10824         static int start_sy = -1;
10825         void (*draw_func)(int, int, int, int, int, boolean);
10826
10827         if (drawing_function == GADGET_ID_LINE)
10828           draw_func = DrawLine;
10829         else if (drawing_function == GADGET_ID_ARC)
10830           draw_func = DrawArc;
10831         else if (drawing_function == GADGET_ID_RECTANGLE)
10832           draw_func = DrawBox;
10833         else if (drawing_function == GADGET_ID_FILLED_BOX)
10834           draw_func = DrawFilledBox;
10835         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10836           draw_func = SelectArea;
10837         else /* (drawing_function == GADGET_ID_TEXT) */
10838           draw_func = SetTextCursor;
10839
10840         if (button_press_event)
10841         {
10842           draw_func(sx, sy, sx, sy, new_element, FALSE);
10843           start_sx = last_sx = sx;
10844           start_sy = last_sy = sy;
10845
10846           if (drawing_function == GADGET_ID_TEXT)
10847             DrawLevelText(0, 0, 0, TEXT_END);
10848         }
10849         else if (button_release_event)
10850         {
10851           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10852           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10853           {
10854             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10855             CopyBrushToCursor(sx, sy);
10856             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10857                           MB_LEFTBUTTON);
10858             draw_with_brush = TRUE;
10859           }
10860           else if (drawing_function == GADGET_ID_TEXT)
10861             DrawLevelText(sx, sy, 0, TEXT_INIT);
10862           else
10863             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10864         }
10865         else if (last_sx != sx || last_sy != sy)
10866         {
10867           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10868           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10869           last_sx = sx;
10870           last_sy = sy;
10871         }
10872       }
10873       break;
10874
10875     case GADGET_ID_FLOOD_FILL:
10876       if (button_press_event && Feld[lx][ly] != new_element)
10877       {
10878         FloodFill(lx, ly, new_element);
10879         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10880         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10881       }
10882       break;
10883
10884     case GADGET_ID_PICK_ELEMENT:
10885       if (button_release_event)
10886         ClickOnGadget(level_editor_gadget[last_drawing_function],
10887                       MB_LEFTBUTTON);
10888       else if (draw_level)
10889         PickDrawingElement(button, Feld[lx][ly]);
10890       else
10891       {
10892         int type_id = gi->custom_type_id;
10893         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10894
10895         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10896       }
10897
10898       break;
10899
10900     default:
10901       break;
10902   }
10903 }
10904
10905 static void HandleCounterButtons(struct GadgetInfo *gi)
10906 {
10907   int gadget_id = gi->custom_id;
10908   int counter_id = gi->custom_type_id;
10909   int button = gi->event.button;
10910   int *counter_value = counterbutton_info[counter_id].value;
10911   int step = BUTTON_STEPSIZE(button) *
10912     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10913
10914   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10915   {
10916     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10917     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10918     boolean level_changed = LevelChanged();
10919
10920     if ((level_changed && pressed) || (!level_changed && released))
10921       return;
10922
10923     if (level_changed && !Request("Level has changed! Discard changes?",
10924                                   REQ_ASK))
10925     {
10926       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10927         ModifyEditorCounterValue(counter_id, *counter_value);
10928
10929       return;
10930     }
10931   }
10932
10933   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10934     *counter_value = gi->textinput.number_value;
10935   else
10936     ModifyEditorCounterValue(counter_id, *counter_value + step);
10937
10938   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10939   {
10940       LoadLevel(level_nr);
10941       LoadScore(level_nr);
10942
10943       TapeErase();
10944
10945       ResetUndoBuffer();
10946       DrawEditModeWindow();
10947
10948       return;
10949   }
10950
10951   switch (counter_id)
10952   {
10953     case ED_COUNTER_ID_YAMYAM_CONTENT:
10954       DrawYamYamContentAreas();
10955       break;
10956
10957     case ED_COUNTER_ID_BALL_CONTENT:
10958       DrawMagicBallContentAreas();
10959       break;
10960
10961     case ED_COUNTER_ID_ANDROID_CONTENT:
10962       DrawAndroidElementArea(properties_element);
10963       break;
10964
10965     case ED_COUNTER_ID_GROUP_CONTENT:
10966       DrawGroupElementArea(properties_element);
10967       CopyGroupElementPropertiesToGame(properties_element);
10968       break;
10969
10970     case ED_COUNTER_ID_INVENTORY_SIZE:
10971       DrawPlayerInitialInventoryArea(properties_element);
10972       break;
10973
10974     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10975     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10976       DrawEnvelopeTextArea(-1);
10977       break;
10978
10979     case ED_COUNTER_ID_LEVEL_XSIZE:
10980     case ED_COUNTER_ID_LEVEL_YSIZE:
10981       lev_fieldx = level.fieldx;
10982       lev_fieldy = level.fieldy;
10983       break;
10984
10985     default:
10986       break;
10987   }
10988
10989   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10990        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10991       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10992        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10993     CopyElementPropertiesToGame(properties_element);
10994
10995   level.changed = TRUE;
10996 }
10997
10998 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10999 {
11000   int type_id = gi->custom_type_id;
11001
11002   strcpy(textinput_info[type_id].value, gi->textinput.value);
11003
11004   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11005   {
11006     CopyElementPropertiesToGame(properties_element);
11007
11008     ModifyEditorElementList();  /* update changed button info text */
11009   }
11010
11011   level.changed = TRUE;
11012 }
11013
11014 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11015 {
11016   int type_id = gi->custom_type_id;
11017
11018 #if 1
11019   strncpy(textarea_info[type_id].value, gi->textarea.value,
11020           MAX_ENVELOPE_TEXT_LEN);
11021   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11022 #else
11023   /* !!! BUGGY !!! MAX_ENVELOPE_TEXT_LEN != MAX_GADGET_TEXTSIZE !!! */
11024   strcpy(textarea_info[type_id].value, gi->textarea.value);
11025 #endif
11026
11027   level.changed = TRUE;
11028 }
11029
11030 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11031 {
11032   int type_id = gi->custom_type_id;
11033   int value_old = *selectbox_info[type_id].value;
11034   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11035
11036   *selectbox_info[type_id].value = value_new;
11037
11038   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11039   {
11040     element_info[properties_element].current_change_page = gi->selectbox.index;
11041
11042     DrawPropertiesWindow();
11043   }
11044   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11045             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11046            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11047             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11048            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11049   {
11050     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11051     {
11052       /* when changing action type, also check action mode and action arg */
11053       if (value_old != value_new)
11054         setSelectboxSpecialActionVariablesIfNeeded();
11055
11056       DrawPropertiesChange();
11057     }
11058
11059     CopyElementPropertiesToGame(properties_element);
11060
11061     level.changed = TRUE;
11062   }
11063 }
11064
11065 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11066 {
11067   int type_id = gi->custom_type_id;
11068   int i;
11069
11070   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11071       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11072   {
11073     edit_mode_levelinfo = gi->custom_type_id;
11074
11075     DrawLevelInfoWindow();
11076   }
11077   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11078            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11079   {
11080     edit_mode_properties = gi->custom_type_id;
11081
11082     DrawPropertiesWindow();
11083   }
11084   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11085   {
11086     char *template_filename = getDefaultLevelFilename(-1);
11087     boolean new_template = !fileExists(template_filename);
11088
11089     /* backup original "level.field" (needed to track playfield changes) */
11090     CopyPlayfield(level.field, FieldBackup);
11091
11092     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11093     CopyPlayfield(Feld, level.field);
11094
11095     if (new_template ||
11096         Request("Save this template and kill the old?", REQ_ASK))
11097       SaveLevelTemplate();
11098
11099     if (new_template)
11100       Request("Template saved!", REQ_CONFIRM);
11101
11102     /* restore original "level.field" (needed to track playfield changes) */
11103     CopyPlayfield(FieldBackup, level.field);
11104   }
11105   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11106            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11107   {
11108     struct ElementInfo *ei = &element_info[properties_element];
11109
11110     setElementChangePages(ei, ei->num_change_pages + 1);
11111
11112     /* set new change page to be new current change page */
11113     ei->current_change_page = ei->num_change_pages - 1;
11114     ei->change = &ei->change_page[ei->current_change_page];
11115
11116     setElementChangeInfoToDefaults(ei->change);
11117
11118     DrawPropertiesWindow();
11119
11120     level.changed = TRUE;
11121   }
11122   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11123            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11124   {
11125     struct ElementInfo *ei = &element_info[properties_element];
11126
11127     /* copy all change pages after change page to be deleted */
11128     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11129       ei->change_page[i] = ei->change_page[i + 1];
11130
11131     setElementChangePages(ei, ei->num_change_pages - 1);
11132
11133     DrawPropertiesWindow();
11134
11135     level.changed = TRUE;
11136   }
11137 }
11138
11139 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11140 {
11141   int type_id = gi->custom_type_id;
11142
11143   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11144       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11145   {
11146     struct ElementInfo *ei = &element_info[properties_element];
11147     int step = BUTTON_STEPSIZE(gi->event.button);
11148
11149     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11150     ei->current_change_page += step;
11151
11152     if (ei->current_change_page < 0)
11153       ei->current_change_page = 0;
11154     else if (ei->current_change_page >= ei->num_change_pages)
11155       ei->current_change_page = ei->num_change_pages - 1;
11156
11157     DrawPropertiesWindow();
11158   }
11159   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11160            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11161   {
11162     struct ElementInfo *ei = &element_info[properties_element];
11163     int current_change_page = ei->current_change_page;
11164
11165     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11166       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11167         ei->change_page[current_change_page];
11168     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11169     {
11170       ei->change_page[current_change_page] =
11171         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11172
11173       level.changed = TRUE;
11174     }
11175
11176     DrawPropertiesWindow();
11177   }
11178 }
11179
11180 static void HandleRadiobuttons(struct GadgetInfo *gi)
11181 {
11182   *radiobutton_info[gi->custom_type_id].value =
11183     radiobutton_info[gi->custom_type_id].checked_value;
11184
11185   level.changed = TRUE;
11186 }
11187
11188 static void HandleCheckbuttons(struct GadgetInfo *gi)
11189 {
11190   int type_id = gi->custom_type_id;
11191
11192   *checkbutton_info[type_id].value ^= TRUE;
11193
11194   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11195       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11196       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11197       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11198          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11199         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11200          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11201        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11202   {
11203     CopyElementPropertiesToGame(properties_element);
11204   }
11205
11206   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11207   {
11208     UpdateCustomElementGraphicGadgets();
11209   }
11210   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11211   {
11212     char *template_filename = getDefaultLevelFilename(-1);
11213
11214     if (level.use_custom_template && !fileExists(template_filename))
11215     {
11216       Request("No level template found!", REQ_CONFIRM);
11217
11218       level.use_custom_template = FALSE;
11219       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11220
11221       return;
11222     }
11223
11224     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11225
11226     DrawEditModeWindow();
11227   }
11228
11229   level.changed = TRUE;
11230 }
11231
11232 static void HandleControlButtons(struct GadgetInfo *gi)
11233 {
11234   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11235   static int last_edit_mode = ED_MODE_DRAWING;
11236   static int last_custom_copy_mode = -1;
11237   int id = gi->custom_id;
11238   int button = gi->event.button;
11239   int step = BUTTON_STEPSIZE(button);
11240   int new_element = BUTTON_ELEMENT(button);
11241   int x, y;
11242
11243   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11244     DrawLevelText(0, 0, 0, TEXT_END);
11245
11246   if (id < ED_NUM_CTRL1_BUTTONS &&
11247       id != GADGET_ID_SINGLE_ITEMS &&
11248       id != GADGET_ID_PROPERTIES &&
11249       id != GADGET_ID_PICK_ELEMENT &&
11250       edit_mode != ED_MODE_DRAWING &&
11251       drawing_function != GADGET_ID_PICK_ELEMENT &&
11252       !(GetKeyModState() & KMOD_Control))
11253   {
11254     DrawDrawingWindow();
11255     edit_mode = ED_MODE_DRAWING;
11256   }
11257
11258   /* element copy mode active, but no element button pressed => deactivate */
11259   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11260     last_custom_copy_mode = -1;
11261
11262   switch (id)
11263   {
11264     case GADGET_ID_SCROLL_LEFT:
11265       if (level_xpos >= 0)
11266       {
11267         if (lev_fieldx < ed_fieldx - 2)
11268           break;
11269
11270         level_xpos -= step;
11271         if (level_xpos < -1)
11272           level_xpos = -1;
11273         if (button == 1)
11274           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11275         else
11276           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11277
11278         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11279                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11280       }
11281       break;
11282
11283     case GADGET_ID_SCROLL_RIGHT:
11284       if (level_xpos <= lev_fieldx - ed_fieldx)
11285       {
11286         if (lev_fieldx < ed_fieldx - 2)
11287           break;
11288
11289         level_xpos += step;
11290         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11291           level_xpos = lev_fieldx - ed_fieldx + 1;
11292         if (button == 1)
11293           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11294         else
11295           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11296
11297         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11298                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11299       }
11300       break;
11301
11302     case GADGET_ID_SCROLL_UP:
11303       if (level_ypos >= 0)
11304       {
11305         if (lev_fieldy < ed_fieldy - 2)
11306           break;
11307
11308         level_ypos -= step;
11309         if (level_ypos < -1)
11310           level_ypos = -1;
11311         if (button == 1)
11312           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11313         else
11314           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11315
11316         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11317                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11318       }
11319       break;
11320
11321     case GADGET_ID_SCROLL_DOWN:
11322       if (level_ypos <= lev_fieldy - ed_fieldy)
11323       {
11324         if (lev_fieldy < ed_fieldy - 2)
11325           break;
11326
11327         level_ypos += step;
11328         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11329           level_ypos = lev_fieldy - ed_fieldy + 1;
11330         if (button == 1)
11331           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11332         else
11333           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11334
11335         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11336                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11337       }
11338       break;
11339
11340     case GADGET_ID_SCROLL_HORIZONTAL:
11341       level_xpos = gi->event.item_position - 1;
11342       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11343       break;
11344
11345     case GADGET_ID_SCROLL_VERTICAL:
11346       level_ypos = gi->event.item_position - 1;
11347       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11348       break;
11349
11350     case GADGET_ID_SCROLL_LIST_UP:
11351     case GADGET_ID_SCROLL_LIST_DOWN:
11352     case GADGET_ID_SCROLL_LIST_VERTICAL:
11353       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11354         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11355       else
11356       {
11357         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11358         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11359
11360         if (element_shift < 0)
11361           element_shift = 0;
11362         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11363           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11364
11365         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11366                      GDI_SCROLLBAR_ITEM_POSITION,
11367                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11368       }
11369
11370       ModifyEditorElementList();
11371
11372       break;
11373
11374     case GADGET_ID_WRAP_LEFT:
11375       WrapLevel(-step, 0);
11376       break;
11377
11378     case GADGET_ID_WRAP_RIGHT:
11379       WrapLevel(step, 0);
11380       break;
11381
11382     case GADGET_ID_WRAP_UP:
11383       WrapLevel(0, -step);
11384       break;
11385
11386     case GADGET_ID_WRAP_DOWN:
11387       WrapLevel(0, step);
11388       break;
11389
11390     case GADGET_ID_SINGLE_ITEMS:
11391     case GADGET_ID_CONNECTED_ITEMS:
11392     case GADGET_ID_LINE:
11393     case GADGET_ID_ARC:
11394     case GADGET_ID_TEXT:
11395     case GADGET_ID_RECTANGLE:
11396     case GADGET_ID_FILLED_BOX:
11397     case GADGET_ID_FLOOD_FILL:
11398     case GADGET_ID_GRAB_BRUSH:
11399     case GADGET_ID_PICK_ELEMENT:
11400       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11401         last_drawing_function = drawing_function;
11402       drawing_function = id;
11403       draw_with_brush = FALSE;
11404       break;
11405
11406     case GADGET_ID_RANDOM_PLACEMENT:
11407       RandomPlacement(new_element);
11408       break;
11409
11410     case GADGET_ID_PROPERTIES:
11411       if (edit_mode != ED_MODE_PROPERTIES)
11412       {
11413         properties_element = new_element;
11414         DrawPropertiesWindow();
11415         edit_mode = ED_MODE_PROPERTIES;
11416
11417         last_level_drawing_function = drawing_function;
11418         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11419                       MB_LEFTBUTTON);
11420       }
11421       else
11422       {
11423         DrawDrawingWindow();
11424         edit_mode = ED_MODE_DRAWING;
11425
11426         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11427                       MB_LEFTBUTTON);
11428       }
11429       break;
11430
11431     case GADGET_ID_CUSTOM_COPY_FROM:
11432     case GADGET_ID_CUSTOM_COPY_TO:
11433     case GADGET_ID_CUSTOM_EXCHANGE:
11434       last_custom_copy_mode = id;
11435       last_drawing_function = drawing_function;
11436       break;
11437
11438     case GADGET_ID_CUSTOM_COPY:
11439       CopyCustomElement(properties_element, -1, id);
11440       break;
11441
11442     case GADGET_ID_CUSTOM_PASTE:
11443       CopyCustomElement(-1, properties_element, id);
11444       break;
11445
11446     case GADGET_ID_UNDO:
11447       if (undo_buffer_steps == 0)
11448       {
11449         Request("Undo buffer empty!", REQ_CONFIRM);
11450         break;
11451       }
11452
11453       if (edit_mode != ED_MODE_DRAWING)
11454       {
11455         DrawDrawingWindow();
11456         edit_mode = ED_MODE_DRAWING;
11457       }
11458
11459       undo_buffer_position =
11460         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11461       undo_buffer_steps--;
11462
11463       for (x = 0; x < lev_fieldx; x++)
11464         for (y = 0; y < lev_fieldy; y++)
11465           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11466
11467       /* check if undo operation forces change of border style */
11468       CheckLevelBorderElement(FALSE);
11469
11470       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11471
11472       break;
11473
11474     case GADGET_ID_INFO:
11475       if (edit_mode != ED_MODE_INFO)
11476       {
11477         last_edit_mode = edit_mode;
11478         edit_mode = ED_MODE_INFO;
11479
11480         DrawLevelInfoWindow();
11481       }
11482       else
11483       {
11484         edit_mode = last_edit_mode;
11485
11486         DrawEditModeWindow();
11487       }
11488       break;
11489
11490     case GADGET_ID_CLEAR:
11491       if (edit_mode != ED_MODE_DRAWING)
11492       {
11493         DrawDrawingWindow();
11494         edit_mode = ED_MODE_DRAWING;
11495       }
11496
11497       for (x = 0; x < MAX_LEV_FIELDX; x++)
11498         for (y = 0; y < MAX_LEV_FIELDY; y++)
11499           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11500
11501       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11502
11503       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11504       break;
11505
11506     case GADGET_ID_SAVE:
11507     {
11508       /* saving read-only levels into personal level set modifies global vars
11509          "leveldir_current" and "level_nr"; restore them after saving level */
11510       LevelDirTree *leveldir_former = leveldir_current;
11511       int level_nr_former = level_nr;
11512       char *level_filename;
11513       boolean new_level;
11514
11515       if (leveldir_current->readonly &&
11516           !PrepareSavingIntoPersonalLevelSet())
11517         break;
11518
11519       level_filename = getDefaultLevelFilename(level_nr);
11520       new_level = !fileExists(level_filename);
11521
11522       if (new_level ||
11523           Request("Save this level and kill the old?", REQ_ASK))
11524       {
11525         if (leveldir_former->readonly)
11526           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11527
11528         CopyPlayfield(Feld, level.field);
11529         SaveLevel(level_nr);
11530
11531         level.changed = FALSE;
11532
11533         if (new_level)
11534         {
11535           char level_saved_msg[64];
11536
11537           if (leveldir_former->readonly)
11538             sprintf(level_saved_msg,
11539                     "Level saved as level %d into personal level set!",
11540                     level_nr);
11541           else
11542             strcpy(level_saved_msg, "Level saved!");
11543
11544           Request(level_saved_msg, REQ_CONFIRM);
11545         }
11546       }
11547
11548       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11549       leveldir_current = leveldir_former;
11550       level_nr = level_nr_former;
11551
11552       break;
11553     }
11554
11555     case GADGET_ID_TEST:
11556       if (LevelChanged())
11557         level.game_version = GAME_VERSION_ACTUAL;
11558
11559       CopyPlayfield(level.field, FieldBackup);
11560       CopyPlayfield(Feld, level.field);
11561
11562       CopyNativeLevel_RND_to_Native(&level);
11563
11564       UnmapLevelEditorGadgets();
11565       UndrawSpecialEditorDoor();
11566
11567       CloseDoor(DOOR_CLOSE_ALL);
11568
11569       BackToFront();            /* force redraw of undrawn special door */
11570
11571 #if 0
11572       DrawCompleteVideoDisplay();
11573 #endif
11574
11575       level_editor_test_game = TRUE;
11576
11577       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11578
11579       break;
11580
11581     case GADGET_ID_EXIT:
11582       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11583       break;
11584
11585     default:
11586       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11587           id <= GADGET_ID_ELEMENTLIST_LAST)
11588       {
11589         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11590         int new_element = editor_elements[element_position + element_shift];
11591
11592         if (IS_EDITOR_CASCADE(new_element))
11593         {
11594           int i;
11595
11596           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11597           {
11598             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11599             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11600
11601             if (*cascade_element == new_element)
11602             {
11603               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11604               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11605
11606               /* update element selection list */
11607               ReinitializeElementList();
11608               ModifyEditorElementList();
11609
11610               /* update cascading gadget info text */
11611               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11612
11613               /* save current editor cascading state */
11614               SaveSetup_EditorCascade();
11615
11616               break;
11617             }
11618           }
11619
11620           break;
11621         }
11622
11623         if (last_custom_copy_mode != -1)
11624         {
11625           if (CopyCustomElement(properties_element, new_element,
11626                                 last_custom_copy_mode))
11627           {
11628             ClickOnGadget(level_editor_gadget[last_drawing_function],
11629                           MB_LEFTBUTTON);
11630
11631             last_custom_copy_mode = -1;
11632           }
11633
11634           break;
11635         }
11636
11637         PickDrawingElement(button, new_element);
11638
11639         if (!stick_element_properties_window &&
11640             drawing_function != GADGET_ID_PICK_ELEMENT &&
11641             !(GetKeyModState() & KMOD_Control))
11642         {
11643           properties_element = new_element;
11644           if (edit_mode == ED_MODE_PROPERTIES)
11645             DrawPropertiesWindow();
11646         }
11647
11648         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11649           ClickOnGadget(level_editor_gadget[last_drawing_function],
11650                         MB_LEFTBUTTON);
11651       }
11652 #ifdef DEBUG
11653       else if (gi->event.type == GD_EVENT_PRESSED)
11654         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11655       else if (gi->event.type == GD_EVENT_RELEASED)
11656         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11657       else if (gi->event.type == GD_EVENT_MOVING)
11658         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11659       else
11660         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11661 #endif
11662       break;
11663   }
11664 }
11665
11666 void HandleLevelEditorKeyInput(Key key)
11667 {
11668   char letter = getCharFromKey(key);
11669   int button = MB_LEFTBUTTON;
11670
11671   if (drawing_function == GADGET_ID_TEXT &&
11672       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11673   {
11674     if (letter)
11675       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11676     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11677       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11678     else if (key == KSYM_Return)
11679       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11680     else if (key == KSYM_Escape)
11681       DrawLevelText(0, 0, 0, TEXT_END);
11682   }
11683   else if (button_status == MB_RELEASED)
11684   {
11685     int id = GADGET_ID_NONE;
11686     int new_element_shift = element_shift;
11687     int i;
11688
11689     switch (key)
11690     {
11691       case KSYM_Left:
11692         id = GADGET_ID_SCROLL_LEFT;
11693         break;
11694       case KSYM_Right:
11695         id = GADGET_ID_SCROLL_RIGHT;
11696         break;
11697       case KSYM_Up:
11698         id = GADGET_ID_SCROLL_UP;
11699         break;
11700       case KSYM_Down:
11701         id = GADGET_ID_SCROLL_DOWN;
11702         break;
11703       case KSYM_Page_Up:
11704         id = GADGET_ID_SCROLL_LIST_UP;
11705         button = MB_RIGHTBUTTON;
11706         break;
11707       case KSYM_Page_Down:
11708         id = GADGET_ID_SCROLL_LIST_DOWN;
11709         button = MB_RIGHTBUTTON;
11710         break;
11711
11712       case KSYM_Home:
11713       case KSYM_End:
11714         element_shift = (key == KSYM_Home ? 0 :
11715                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11716
11717         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11718                      GDI_SCROLLBAR_ITEM_POSITION,
11719                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11720
11721         ModifyEditorElementList();
11722
11723         break;
11724
11725       case KSYM_Insert:
11726       case KSYM_Delete:
11727
11728         /* this is needed to prevent interference with running "True X-Mouse" */
11729         if (GetKeyModStateFromEvents() & KMOD_Control)
11730           break;
11731
11732         /* check for last or next editor cascade block in element list */
11733         for (i = 0; i < num_editor_elements; i++)
11734         {
11735           if ((key == KSYM_Insert && i == element_shift) ||
11736               (key == KSYM_Delete && new_element_shift > element_shift))
11737             break;
11738
11739           /* jump to next cascade block (or to start of element list) */
11740           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11741             new_element_shift = i;
11742         }
11743
11744         if (i < num_editor_elements)
11745           element_shift = new_element_shift;
11746
11747         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11748           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11749
11750         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11751                      GDI_SCROLLBAR_ITEM_POSITION,
11752                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11753
11754         ModifyEditorElementList();
11755
11756         break;
11757
11758       case KSYM_Escape:
11759         if (edit_mode == ED_MODE_DRAWING)
11760         {
11761           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11762         }
11763         else if (edit_mode == ED_MODE_INFO)
11764         {
11765           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11766         }
11767         else if (edit_mode == ED_MODE_PROPERTIES)
11768         {
11769           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11770         }
11771         else            /* should never happen */
11772         {
11773           DrawDrawingWindow();
11774           edit_mode = ED_MODE_DRAWING;
11775         }
11776
11777         break;
11778
11779       default:
11780         break;
11781     }
11782
11783     if (id != GADGET_ID_NONE)
11784       ClickOnGadget(level_editor_gadget[id], button);
11785     else if (letter == '.')
11786       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11787     else if (key == KSYM_Return ||
11788              key == KSYM_space ||
11789              key == setup.shortcut.toggle_pause)
11790       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11791     else
11792       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11793         if (letter && letter == control_info[i].shortcut)
11794           if (!anyTextGadgetActive())
11795             ClickOnGadget(level_editor_gadget[i], button);
11796   }
11797 }
11798
11799 void HandleLevelEditorIdle()
11800 {
11801   static unsigned int action_delay = 0;
11802   unsigned int action_delay_value = GameFrameDelay;
11803   int xpos = 1, ypos = 2;
11804   int i;
11805
11806   if (edit_mode != ED_MODE_PROPERTIES)
11807     return;
11808
11809   if (!DelayReached(&action_delay, action_delay_value))
11810     return;
11811
11812   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11813   {
11814     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11815
11816     if (gi->mapped && gi->active && gi->selectbox.open)
11817       return;
11818   }
11819
11820   DrawEditorElementAnimation(SX + xpos * TILEX,
11821                              SY + ypos * TILEY + MINI_TILEY / 2);
11822
11823   MarkTileDirty(xpos, ypos);
11824   MarkTileDirty(xpos, ypos + 1);
11825
11826   FrameCounter++;       /* increase animation frame counter */
11827 }
11828
11829 void ClearEditorGadgetInfoText()
11830 {
11831   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11832 }
11833
11834 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11835 {
11836   char infotext[MAX_OUTPUT_LINESIZE + 1];
11837   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11838   int max_infotext_len = getMaxInfoTextLength();
11839
11840   if (gi == NULL || gi->info_text == NULL)
11841     return;
11842
11843   strncpy(infotext, gi->info_text, max_infotext_len);
11844   infotext[max_infotext_len] = '\0';
11845
11846   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11847   {
11848     int key = control_info[gi->custom_id].shortcut;
11849
11850     if (key)
11851     {
11852       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11853         sprintf(shortcut, " ('.' or '%c')", key);
11854       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11855         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11856       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11857         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11858       else                                              /* normal case */
11859         sprintf(shortcut, " ('%s%c')",
11860                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11861
11862       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11863         strcat(infotext, shortcut);
11864     }
11865   }
11866
11867   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11868 }
11869
11870 void HandleEditorGadgetInfoText(void *ptr)
11871 {
11872   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11873
11874   if (game_status != GAME_MODE_EDITOR)
11875     return;
11876
11877   ClearEditorGadgetInfoText();
11878
11879   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11880     return;
11881
11882   /* misuse this function to delete brush cursor, if needed */
11883   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11884     DeleteBrushFromCursor();
11885
11886   PrintEditorGadgetInfoText(gi);
11887 }
11888
11889 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11890 {
11891   static int start_lx, start_ly;
11892   int id = gi->custom_id;
11893   int type_id = gi->custom_type_id;
11894   int sx = gi->event.x;
11895   int sy = gi->event.y;
11896   int lx = sx + level_xpos;
11897   int ly = sy + level_ypos;
11898   int min_sx = 0, min_sy = 0;
11899   int max_sx = gi->drawing.area_xsize - 1;
11900   int max_sy = gi->drawing.area_ysize - 1;
11901   int actual_drawing_function = drawing_function;
11902   int max_infotext_len = getMaxInfoTextLength();
11903   char infotext[MAX_OUTPUT_LINESIZE + 1];
11904   char *text;
11905
11906   infotext[0] = '\0';           /* start with empty info text */
11907
11908   /* pressed Control key: simulate picking element */
11909   if (GetKeyModState() & KMOD_Control)
11910     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11911
11912   ClearEditorGadgetInfoText();
11913
11914   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11915     return;
11916
11917   /* make sure to stay inside drawing area boundaries */
11918   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11919   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11920
11921   if (id == GADGET_ID_DRAWING_LEVEL)
11922   {
11923     if (button_status)
11924     {
11925       int min_lx = 0, min_ly = 0;
11926       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11927
11928       /* get positions inside level field */
11929       lx = sx + level_xpos;
11930       ly = sy + level_ypos;
11931
11932       /* make sure to stay inside level field boundaries */
11933       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11934       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11935
11936       /* correct drawing area positions accordingly */
11937       sx = lx - level_xpos;
11938       sy = ly - level_ypos;
11939     }
11940
11941     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11942     {
11943       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11944       {
11945         if (gi->event.type == GD_EVENT_PRESSED)
11946         {
11947           start_lx = lx;
11948           start_ly = ly;
11949         }
11950
11951         switch (actual_drawing_function)
11952         {
11953           case GADGET_ID_SINGLE_ITEMS:
11954             text = "Drawing single items";
11955             break;
11956           case GADGET_ID_CONNECTED_ITEMS:
11957             text = "Drawing connected items";
11958             break;
11959           case GADGET_ID_LINE:
11960             text = "Drawing line";
11961             break;
11962           case GADGET_ID_ARC:
11963             text = "Drawing arc";
11964             break;
11965           case GADGET_ID_TEXT:
11966             text = "Setting text cursor";
11967             break;
11968           case GADGET_ID_RECTANGLE:
11969             text = "Drawing rectangle";
11970             break;
11971           case GADGET_ID_FILLED_BOX:
11972             text = "Drawing filled box";
11973             break;
11974           case GADGET_ID_FLOOD_FILL:
11975             text = "Flood fill";
11976             break;
11977           case GADGET_ID_GRAB_BRUSH:
11978             text = "Grabbing brush";
11979             break;
11980           case GADGET_ID_PICK_ELEMENT:
11981             text = "Picking element";
11982             break;
11983
11984           default:
11985             text = "Drawing position";
11986             break;
11987         }
11988
11989         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11990           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11991         else
11992           sprintf(infotext, "%s: %d, %d", text,
11993                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11994       }
11995       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11996         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11997       else
11998         sprintf(infotext, "Level position: %d, %d", lx, ly);
11999     }
12000
12001     /* misuse this function to draw brush cursor, if needed */
12002     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12003     {
12004       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12005         CopyBrushToCursor(sx, sy);
12006       else
12007         DeleteBrushFromCursor();
12008     }
12009   }
12010   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12011   {
12012     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12013     int element = drawingarea_info[type_id].value[pos];
12014
12015     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12016   }
12017   else
12018   {
12019     if (id == GADGET_ID_CUSTOM_CONTENT)
12020       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12021     else if (id == GADGET_ID_GROUP_CONTENT)
12022       sprintf(infotext, "group element position: %d", sx + 1);
12023     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12024              id <= GADGET_ID_YAMYAM_CONTENT_7)
12025       sprintf(infotext, "content area %d position: %d, %d",
12026               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12027     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12028              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12029       sprintf(infotext, "content area %d position: %d, %d",
12030               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12031     else if (id == GADGET_ID_ANDROID_CONTENT)
12032       sprintf(infotext, "android element position: %d", sx + 1);
12033     else if (drawingarea_info[type_id].infotext != NULL)
12034       strcpy(infotext, drawingarea_info[type_id].infotext);
12035   }
12036
12037   infotext[max_infotext_len] = '\0';
12038
12039   if (strlen(infotext) > 0)
12040     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
12041 }
12042
12043 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12044                             boolean quick_quit)
12045 {
12046   if (!ask_if_level_has_changed ||
12047       !LevelChanged() ||
12048       Request("Level has changed! Exit without saving?",
12049               REQ_ASK | REQ_STAY_OPEN))
12050   {
12051     CloseDoor(DOOR_CLOSE_1);
12052     SetDoorState(DOOR_CLOSE_2);
12053
12054 #if 1
12055     if (quick_quit)
12056       FadeSkipNextFadeIn();
12057 #else
12058     if (quick_quit)
12059       fading = fading_none;
12060 #endif
12061
12062     game_status = GAME_MODE_MAIN;
12063 #if 1
12064     DrawAndFadeInMainMenu(REDRAW_FIELD);
12065 #else
12066     DrawMainMenu();
12067 #endif
12068   }
12069   else
12070   {
12071     CloseDoor(DOOR_CLOSE_1);
12072     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12073   }
12074 }