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