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 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 975 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 976
 977
 978 /*
 979   -----------------------------------------------------------------------------
 980   some internally used data structure definitions
 981   -----------------------------------------------------------------------------
 982 */
 983
 984 static struct
 985 {
 986   char shortcut;
 987   char *text;
 988 } control_info[ED_NUM_CTRL_BUTTONS] =
 989 {
 990   /* note: some additional characters are already reserved for "cheat mode"
 991      shortcuts (":XYZ" style) -- for details, see "events.c" */
 992
 993   { 's',        "draw single items"                     },
 994   { 'd',        "draw connected items"                  },
 995   { 'l',        "draw lines"                            },
 996   { 'a',        "draw arcs"                             },
 997   { 'r',        "draw outline rectangles"               },
 998   { 'R',        "draw filled rectangles"                },
 999   { '\0',       "wrap (rotate) level up"                },
1000   { 't',        "enter text elements"                   },
1001   { 'f',        "flood fill"                            },
1002   { '\0',       "wrap (rotate) level left"              },
1003   { '?',        "properties of drawing element"         },
1004   { '\0',       "wrap (rotate) level right"             },
1005   { '\0',       "random element placement"              },
1006   { 'b',        "grab brush"                            },
1007   { '\0',       "wrap (rotate) level down"              },
1008   { ',',        "pick drawing element"                  },
1009
1010   { 'U',        "undo last operation"                   },
1011   { 'I',        "properties of level"                   },
1012   { 'S',        "save level"                            },
1013   { 'C',        "clear level"                           },
1014   { 'T',        "test level"                            },
1015   { 'E',        "exit level editor"                     },
1016
1017   { '\0',       "copy settings from other element"      },
1018   { '\0',       "copy settings to other element"        },
1019   { '\0',       "exchange element with other element"   },
1020
1021   { '\0',       "copy settings from this element"       },
1022   { '\0',       "paste settings to this element"        },
1023 };
1024
1025 static int random_placement_value = 10;
1026 static int random_placement_method = RANDOM_USE_QUANTITY;
1027 static int random_placement_background_element = EL_SAND;
1028 static boolean random_placement_background_restricted = FALSE;
1029 static boolean stick_element_properties_window = FALSE;
1030 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1031 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1032 static struct ElementChangeInfo custom_element_change;
1033 static struct ElementGroupInfo group_element_info;
1034 static struct ElementInfo custom_element;
1035
1036 static struct
1037 {
1038   int x, y;
1039   int min_value, max_value;
1040   int gadget_id_down, gadget_id_up;
1041   int gadget_id_text;
1042   int gadget_id_align;
1043   int *value;
1044   char *text_above, *text_left, *text_right;
1045 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1046 {
1047   /* ---------- current level number --------------------------------------- */
1048
1049   {
1050     DX + 5 - SX,                        DY + 3 - SY,
1051     1,                                  100,
1052     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1053     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1054     &level_nr,
1055     NULL,                               NULL, NULL
1056   },
1057
1058   /* ---------- level and editor settings ---------------------------------- */
1059
1060   {
1061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1062     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1063     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1064     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1065     &level.fieldx,
1066     "playfield size:",                  NULL, "width",
1067   },
1068   {
1069     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1070     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1071     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1072     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1073     &level.fieldy,
1074     NULL,                               " ", "height",
1075   },
1076   {
1077     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1078     0,                                  999,
1079     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1080     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1081     &level.gems_needed,
1082     NULL,                               "number of gems to collect:", NULL
1083   },
1084   {
1085     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1086     0,                                  9999,
1087     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1088     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1089     &level.time,
1090     "time or step limit to solve level:", NULL, NULL
1091   },
1092   {
1093     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1094     0,                                  999,
1095     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1096     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1097     &level.score[SC_TIME_BONUS],
1098     "score for each second/step left:", NULL, NULL
1099   },
1100   {
1101     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1102     0,                                  9999,
1103     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1104     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1105     &level.random_seed,
1106     NULL,                               "random seed:", "(0 => random)"
1107   },
1108   {
1109     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1110     1,                                  100,
1111     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1112     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1113     &random_placement_value,
1114     "random element placement:",        NULL, "in"
1115   },
1116
1117   /* ---------- element settings: configure (various elements) ------------- */
1118
1119   {
1120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1121     MIN_SCORE,                          MAX_SCORE,
1122     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1123     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1124     NULL,                               /* will be set when used */
1125     NULL,                               NULL, NULL
1126   },
1127   {
1128     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1129     MIN_SCORE,                          MAX_SCORE,
1130     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1131     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1132     NULL,                               /* will be set when used */
1133     NULL,                               NULL, NULL
1134   },
1135   {
1136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1137     MIN_SCORE,                          MAX_SCORE,
1138     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1139     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1140     NULL,                               /* will be set when used */
1141     NULL,                               NULL, NULL
1142   },
1143   {
1144     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1145     MIN_SCORE,                          MAX_SCORE,
1146     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1147     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1148     NULL,                               /* will be set when used */
1149     NULL,                               NULL, NULL
1150   },
1151   {
1152     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1153     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1154     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1155     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1156     &level.num_yamyam_contents,
1157     NULL,                               NULL, "number of content areas"
1158   },
1159   {
1160     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1161     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1162     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1163     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1164     &level.num_ball_contents,
1165     NULL,                               NULL, "number of content areas"
1166   },
1167   {
1168     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1169     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1170     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1171     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1172     &level.num_android_clone_elements,
1173     NULL,                               NULL, "number of clonable elements"
1174   },
1175   {
1176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1177     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1178     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1179     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1180     NULL,                               /* will be set when used */
1181     NULL,                               NULL, "width",
1182   },
1183   {
1184     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1185     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1186     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1187     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1188     NULL,                               /* will be set when used */
1189     NULL,                               " ", "height",
1190   },
1191   {
1192     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1193     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1194     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1195     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1196     &level.initial_inventory_size[0],
1197     NULL,                               NULL, "number of inventory elements"
1198   },
1199
1200   /* ---------- element settings: configure 1 (custom elements) ------------ */
1201
1202   {
1203     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1204     MIN_SCORE,                          MAX_SCORE,
1205     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1206     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1207     &custom_element.collect_score_initial,
1208     NULL,                               "CE score", " "
1209   },
1210   {
1211     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1212     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1213     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1214     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1215     &custom_element.collect_count_initial,
1216     NULL,                               "CE count", NULL
1217   },
1218   {
1219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1220     0,                                  9999,
1221     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1222     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1223     &custom_element.ce_value_fixed_initial,
1224     NULL,                               "CE value", NULL
1225   },
1226   {
1227     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1228     0,                                  9999,
1229     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1230     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1231     &custom_element.ce_value_random_initial,
1232     NULL,                               "+random", NULL
1233   },
1234   {
1235     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1236     0,                                  999,
1237     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1238     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1239     &custom_element.push_delay_fixed,
1240     NULL,                               "push delay", NULL
1241   },
1242   {
1243     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1244     0,                                  999,
1245     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1246     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1247     &custom_element.push_delay_random,
1248     NULL,                               "+random", NULL
1249   },
1250   {
1251     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1252     0,                                  999,
1253     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1254     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1255     &custom_element.drop_delay_fixed,
1256     NULL,                               "drop delay", NULL
1257   },
1258   {
1259     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1260     0,                                  999,
1261     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1262     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1263     &custom_element.drop_delay_random,
1264     NULL,                               "+random", NULL
1265   },
1266
1267   /* ---------- element settings: configure 2 (custom elements) ------------ */
1268
1269   {
1270     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1271     0,                                  999,
1272     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1273     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1274     &custom_element.move_delay_fixed,
1275     NULL,                               "move delay", NULL
1276   },
1277   {
1278     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1279     0,                                  999,
1280     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1281     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1282     &custom_element.move_delay_random,
1283     NULL,                               "+random", NULL
1284   },
1285   {
1286     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1287     0,                                  999,
1288     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1289     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1290     &custom_element.explosion_delay,
1291     NULL,                               "explosion delay", NULL
1292   },
1293   {
1294     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1295     0,                                  999,
1296     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1297     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1298     &custom_element.ignition_delay,
1299     NULL,                               "ignition delay", "(by fire)"
1300   },
1301
1302   /* ---------- element settings: configure (group elements) --------------- */
1303
1304   {
1305     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1306     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1307     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1308     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1309     &group_element_info.num_elements,
1310     NULL,                               NULL, "number of elements in group"
1311   },
1312
1313   /* ---------- element settings: advanced (custom elements) --------------- */
1314
1315   {
1316     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1317     0,                                  999,
1318     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1319     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1320     &custom_element_change.delay_fixed,
1321     NULL,                               "CE delay", NULL,
1322   },
1323   {
1324     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1325     0,                                  999,
1326     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1327     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1328     &custom_element_change.delay_random,
1329     NULL,                               "+random", NULL
1330   },
1331   {
1332     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1333     0,                                  100,
1334     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1335     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1336     &custom_element_change.random_percentage,
1337     NULL,                               "use random replace:", "%"
1338   },
1339 };
1340
1341 static struct
1342 {
1343   int x, y;
1344   int gadget_id;
1345   int size;
1346   char *value;
1347   char *text_above, *infotext;
1348 } textinput_info[ED_NUM_TEXTINPUT] =
1349 {
1350   {
1351     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1352     GADGET_ID_LEVEL_NAME,
1353     MAX_LEVEL_NAME_LEN,
1354     level.name,
1355     "Title:", "Title"
1356   },
1357   {
1358     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1359     GADGET_ID_LEVEL_AUTHOR,
1360     MAX_LEVEL_AUTHOR_LEN,
1361     level.author,
1362     "Author:", "Author"
1363   },
1364   {
1365     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1366     GADGET_ID_ELEMENT_NAME,
1367     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1368     custom_element.description,
1369     NULL, "Element name"
1370   }
1371 };
1372
1373 static struct
1374 {
1375   int x, y;
1376   int gadget_id;
1377   int xsize, ysize;
1378   char *value;
1379   char *text_above, *infotext;
1380 } textarea_info[ED_NUM_TEXTAREAS] =
1381 {
1382   {
1383     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1384     GADGET_ID_ENVELOPE_INFO,
1385     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1386     NULL,
1387     "Envelope Content:", "Envelope Content"
1388   }
1389 };
1390
1391 static struct ValueTextInfo options_time_or_steps[] =
1392 {
1393   { 0,                          "seconds"                       },
1394   { 1,                          "steps"                         },
1395
1396   { -1,                         NULL                            }
1397 };
1398
1399 static struct ValueTextInfo options_game_engine_type[] =
1400 {
1401   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1402   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1403   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1404
1405   { -1,                         NULL                            }
1406 };
1407
1408 static struct ValueTextInfo options_wind_direction[] =
1409 {
1410   { MV_START_NONE,              "none"                          },
1411   { MV_START_LEFT,              "left"                          },
1412   { MV_START_RIGHT,             "right"                         },
1413   { MV_START_UP,                "up"                            },
1414   { MV_START_DOWN,              "down"                          },
1415
1416   { -1,                         NULL                            }
1417 };
1418
1419 static struct ValueTextInfo options_player_speed[] =
1420 {
1421   { 0,                          "frozen"                        },
1422   { 1,                          "very slow"                     },
1423   { 2,                          "slow"                          },
1424   { 4,                          "normal"                        },
1425   { 8,                          "fast"                          },
1426   { 16,                         "very fast"                     },
1427   { 32,                         "ultrafast"                     },
1428
1429   { -1,                         NULL                            }
1430 };
1431
1432 static struct ValueTextInfo options_access_type[] =
1433 {
1434   { EP_WALKABLE,                "walkable"                      },
1435   { EP_PASSABLE,                "passable"                      },
1436
1437   { -1,                         NULL                            }
1438 };
1439
1440 static struct ValueTextInfo options_access_layer[] =
1441 {
1442   { EP_ACCESSIBLE_OVER,         "over"                          },
1443   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1444   { EP_ACCESSIBLE_UNDER,        "under"                         },
1445
1446   { -1,                         NULL                            }
1447 };
1448
1449 static struct ValueTextInfo options_access_protected[] =
1450 {
1451   { 0,                          "unprotected"                   },
1452   { 1,                          "protected"                     },
1453
1454   { -1,                         NULL                            }
1455 };
1456
1457 static struct ValueTextInfo options_access_direction[] =
1458 {
1459   { MV_NO_DIRECTION,            "no direction"                  },
1460   { MV_LEFT,                    "left"                          },
1461   { MV_RIGHT,                   "right"                         },
1462   { MV_UP,                      "up"                            },
1463   { MV_DOWN,                    "down"                          },
1464   { MV_LEFT  | MV_UP,           "left + up"                     },
1465   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1466   { MV_RIGHT | MV_UP,           "right + up"                    },
1467   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1468   { MV_HORIZONTAL,              "horizontal"                    },
1469   { MV_VERTICAL,                "vertical"                      },
1470   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1471   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1472   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1473   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1474   { MV_ALL_DIRECTIONS,          "all directions"                },
1475
1476   { -1,                         NULL                            }
1477 };
1478
1479 static struct ValueTextInfo options_walk_to_action[] =
1480 {
1481   { EP_DIGGABLE,                "diggable"                      },
1482   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1483   { EP_DROPPABLE,               "collectible & droppable"       },
1484   { EP_THROWABLE,               "collectible & throwable"       },
1485   { EP_PUSHABLE,                "pushable"                      },
1486
1487   { -1,                         NULL                            }
1488 };
1489
1490 static struct ValueTextInfo options_move_pattern[] =
1491 {
1492   { MV_LEFT,                    "left"                          },
1493   { MV_RIGHT,                   "right"                         },
1494   { MV_UP,                      "up"                            },
1495   { MV_DOWN,                    "down"                          },
1496   { MV_HORIZONTAL,              "horizontal"                    },
1497   { MV_VERTICAL,                "vertical"                      },
1498   { MV_ALL_DIRECTIONS,          "all directions"                },
1499   { MV_WIND_DIRECTION,          "wind direction"                },
1500   { MV_TOWARDS_PLAYER,          "towards player"                },
1501   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1502   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1503   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1504   { MV_TURNING_LEFT,            "turning left"                  },
1505   { MV_TURNING_RIGHT,           "turning right"                 },
1506   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1507   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1508   { MV_TURNING_RANDOM,          "turning random"                },
1509   { MV_MAZE_RUNNER,             "maze runner style"             },
1510   { MV_MAZE_HUNTER,             "maze hunter style"             },
1511   { MV_WHEN_PUSHED,             "when pushed"                   },
1512   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1513
1514   { -1,                         NULL                            }
1515 };
1516
1517 static struct ValueTextInfo options_move_direction[] =
1518 {
1519   { MV_START_AUTOMATIC,         "automatic"                     },
1520   { MV_START_LEFT,              "left"                          },
1521   { MV_START_RIGHT,             "right"                         },
1522   { MV_START_UP,                "up"                            },
1523   { MV_START_DOWN,              "down"                          },
1524   { MV_START_RANDOM,            "random"                        },
1525   { MV_START_PREVIOUS,          "previous"                      },
1526
1527   { -1,                         NULL                            }
1528 };
1529
1530 static struct ValueTextInfo options_move_stepsize[] =
1531 {
1532   { 0,                          "not moving"                    },
1533   { 1,                          "very slow"                     },
1534   { 2,                          "slow"                          },
1535   { 4,                          "normal"                        },
1536   { 8,                          "fast"                          },
1537   { 16,                         "very fast"                     },
1538   { 32,                         "even faster"                   },
1539
1540   { -1,                         NULL                            }
1541 };
1542
1543 static struct ValueTextInfo options_move_leave_type[] =
1544 {
1545   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1546   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1547
1548   { -1,                         NULL                            }
1549 };
1550
1551 static struct ValueTextInfo options_smash_targets[] =
1552 {
1553   { EP_CAN_SMASH_PLAYER,        "player"                        },
1554 #if 0
1555   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1556 #endif
1557   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1558
1559   { -1,                         NULL                            }
1560 };
1561
1562 static struct ValueTextInfo options_slippery_type[] =
1563 {
1564   { SLIPPERY_ANY_RANDOM,        "random"                        },
1565   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1566   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1567   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1568   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1569
1570   { -1,                         NULL                            }
1571 };
1572
1573 static struct ValueTextInfo options_deadliness[] =
1574 {
1575   { EP_DONT_RUN_INTO,           "running into"                  },
1576   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1577   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1578   { EP_DONT_TOUCH,              "touching"                      },
1579
1580   { -1,                         NULL                            }
1581 };
1582
1583 static struct ValueTextInfo options_explosion_type[] =
1584 {
1585   { EXPLODES_3X3,               "3x3"                           },
1586   { EXPLODES_CROSS,             "3+3"                           },
1587   { EXPLODES_1X1,               "1x1"                           },
1588
1589   { -1,                         NULL                            }
1590 };
1591
1592 static struct ValueTextInfo options_time_units[] =
1593 {
1594   { 1,                          "frames"                        },
1595   { FRAMES_PER_SECOND,          "seconds"                       },
1596
1597   { -1,                         NULL                            }
1598 };
1599
1600 static struct ValueTextInfo options_change_direct_action[] =
1601 {
1602   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1603   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1604   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1605   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1606   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1607   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1608   { CE_LEFT_BY_PLAYER,          "left by player"                },
1609   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1610   { CE_SWITCHED,                "switched"                      },
1611   { CE_HITTING_SOMETHING,       "hitting something"             },
1612   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1613 #if 0
1614   { CE_BLOCKED,                 "blocked"                       },
1615 #endif
1616   { CE_IMPACT,                  "impact (on something)"         },
1617   { CE_SMASHED,                 "smashed (from above)"          },
1618 #if 0
1619   { CE_VALUE_CHANGES,           "CE value changes"              },
1620   { CE_SCORE_CHANGES,           "CE score changes"              },
1621 #endif
1622   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1623   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1624
1625   { -1,                         NULL                            }
1626 };
1627
1628 static struct ValueTextInfo options_change_other_action[] =
1629 {
1630   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1631   { CE_PLAYER_PRESSES_X,        "player presses"                },
1632   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1633   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1634   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1635   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1636   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1637   { CE_PLAYER_DIGS_X,           "player digs"                   },
1638   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1639   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1640   { CE_TOUCHING_X,              "touching"                      },
1641   { CE_HITTING_X,               "hitting"                       },
1642   { CE_DIGGING_X,               "digging"                       },
1643   { CE_HIT_BY_X,                "hit by"                        },
1644   { CE_SWITCH_OF_X,             "switch of"                     },
1645   { CE_CHANGE_OF_X,             "change by page of"             },
1646   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1647   { CE_MOVE_OF_X,               "move of"                       },
1648   { CE_CREATION_OF_X,           "creation of"                   },
1649   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1650   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1651   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1652   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1653
1654   { -1,                         NULL                            }
1655 };
1656
1657 static struct ValueTextInfo options_change_trigger_side[] =
1658 {
1659   { CH_SIDE_LEFT,               "left"                          },
1660   { CH_SIDE_RIGHT,              "right"                         },
1661   { CH_SIDE_TOP,                "top"                           },
1662   { CH_SIDE_BOTTOM,             "bottom"                        },
1663   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1664   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1665   { CH_SIDE_ANY,                "any"                           },
1666
1667   { -1,                         NULL                            }
1668 };
1669
1670 static struct ValueTextInfo options_change_trigger_player[] =
1671 {
1672   { CH_PLAYER_1,                "1"                             },
1673   { CH_PLAYER_2,                "2"                             },
1674   { CH_PLAYER_3,                "3"                             },
1675   { CH_PLAYER_4,                "4"                             },
1676   { CH_PLAYER_ANY,              "any"                           },
1677
1678   { -1,                         NULL                            }
1679 };
1680
1681 static struct ValueTextInfo options_change_trigger_page[] =
1682 {
1683   { (1 << 0),                   "1"                             },
1684   { (1 << 1),                   "2"                             },
1685   { (1 << 2),                   "3"                             },
1686   { (1 << 3),                   "4"                             },
1687   { (1 << 4),                   "5"                             },
1688   { (1 << 5),                   "6"                             },
1689   { (1 << 6),                   "7"                             },
1690   { (1 << 7),                   "8"                             },
1691   { (1 << 8),                   "9"                             },
1692   { (1 << 9),                   "10"                            },
1693   { (1 << 10),                  "11"                            },
1694   { (1 << 11),                  "12"                            },
1695   { (1 << 12),                  "13"                            },
1696   { (1 << 13),                  "14"                            },
1697   { (1 << 14),                  "15"                            },
1698   { (1 << 15),                  "16"                            },
1699   { (1 << 16),                  "17"                            },
1700   { (1 << 17),                  "18"                            },
1701   { (1 << 18),                  "19"                            },
1702   { (1 << 19),                  "20"                            },
1703   { (1 << 20),                  "21"                            },
1704   { (1 << 21),                  "22"                            },
1705   { (1 << 22),                  "23"                            },
1706   { (1 << 23),                  "24"                            },
1707   { (1 << 24),                  "25"                            },
1708   { (1 << 25),                  "26"                            },
1709   { (1 << 26),                  "27"                            },
1710   { (1 << 27),                  "28"                            },
1711   { (1 << 28),                  "29"                            },
1712   { (1 << 29),                  "30"                            },
1713   { (1 << 30),                  "31"                            },
1714   { (1 << 31),                  "32"                            },
1715   { CH_PAGE_ANY,                "any"                           },
1716
1717   { -1,                         NULL                            }
1718 };
1719
1720 static struct ValueTextInfo options_change_replace_when[] =
1721 {
1722   { CP_WHEN_EMPTY,              "empty"                         },
1723   { CP_WHEN_WALKABLE,           "walkable"                      },
1724   { CP_WHEN_DIGGABLE,           "diggable"                      },
1725   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1726   { CP_WHEN_REMOVABLE,          "removable"                     },
1727   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_action_type[] =
1733 {
1734   { CA_NO_ACTION,               "no action"                     },
1735   { CA_UNDEFINED,               " "                             },
1736   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1737   { CA_RESTART_LEVEL,           "restart level"                 },
1738   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1739   { CA_SET_LEVEL_TIME,          "set time"                      },
1740   { CA_SET_LEVEL_SCORE,         "set score"                     },
1741   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1742   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1743   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1744   { CA_UNDEFINED,               " "                             },
1745   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1746   { CA_MOVE_PLAYER,             "move player"                   },
1747   { CA_EXIT_PLAYER,             "exit player"                   },
1748   { CA_KILL_PLAYER,             "kill player"                   },
1749   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1750   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1751   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1752   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1753   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1754   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1755   { CA_UNDEFINED,               " "                             },
1756   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1757   { CA_SET_CE_VALUE,            "set CE value"                  },
1758   { CA_SET_CE_SCORE,            "set CE score"                  },
1759   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1760   { CA_UNDEFINED,               " "                             },
1761   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1762   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1763
1764   { -1,                         NULL                            }
1765 };
1766
1767 static struct ValueTextInfo options_action_mode_none[] =
1768 {
1769   { CA_MODE_UNDEFINED,          " "                             },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_action_mode_assign[] =
1775 {
1776   { CA_MODE_SET,                "="                             },
1777
1778   { -1,                         NULL                            }
1779 };
1780
1781 static struct ValueTextInfo options_action_mode_add_remove[] =
1782 {
1783   { CA_MODE_ADD,                "+"                             },
1784   { CA_MODE_SUBTRACT,           "-"                             },
1785
1786   { -1,                         NULL                            }
1787 };
1788
1789 static struct ValueTextInfo options_action_mode_calculate[] =
1790 {
1791   { CA_MODE_SET,                "="                             },
1792   { CA_MODE_ADD,                "+"                             },
1793   { CA_MODE_SUBTRACT,           "-"                             },
1794   { CA_MODE_MULTIPLY,           "*"                             },
1795   { CA_MODE_DIVIDE,             "/"                             },
1796   { CA_MODE_MODULO,             "%"                             },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_action_arg_none[] =
1802 {
1803   { CA_ARG_UNDEFINED,           "         "                     },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_action_arg_player[] =
1809 {
1810   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1811   { CA_ARG_PLAYER_1,            "1"                             },
1812   { CA_ARG_PLAYER_2,            "2"                             },
1813   { CA_ARG_PLAYER_3,            "3"                             },
1814   { CA_ARG_PLAYER_4,            "4"                             },
1815   { CA_ARG_PLAYER_ANY,          "any"                           },
1816   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1817   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1818
1819   { -1,                         NULL                            }
1820 };
1821
1822 static struct ValueTextInfo options_action_arg_number[] =
1823 {
1824   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1825   { CA_ARG_0,                   "0"                             },
1826   { CA_ARG_1,                   "1"                             },
1827   { CA_ARG_2,                   "2"                             },
1828   { CA_ARG_3,                   "3"                             },
1829   { CA_ARG_4,                   "4"                             },
1830   { CA_ARG_5,                   "5"                             },
1831   { CA_ARG_10,                  "10"                            },
1832   { CA_ARG_100,                 "100"                           },
1833   { CA_ARG_1000,                "1000"                          },
1834   { CA_ARG_UNDEFINED,           " "                             },
1835   { CA_ARG_NUMBER_MIN,          "min"                           },
1836   { CA_ARG_NUMBER_MAX,          "max"                           },
1837   { CA_ARG_UNDEFINED,           " "                             },
1838   { CA_ARG_NUMBER_RESET,        "reset"                         },
1839   { CA_ARG_UNDEFINED,           " "                             },
1840   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1841   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1842   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1843   { CA_ARG_UNDEFINED,           " "                             },
1844   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1845   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1846   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1847   { CA_ARG_UNDEFINED,           " "                             },
1848   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1849   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1850   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1851   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1852   { CA_ARG_UNDEFINED,           " "                             },
1853   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1854   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1855   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1856   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1857
1858   { -1,                         NULL                            }
1859 };
1860
1861 static struct ValueTextInfo options_action_arg_value[] =
1862 {
1863   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1864   { CA_ARG_0,                   "0"                             },
1865   { CA_ARG_1,                   "1"                             },
1866   { CA_ARG_2,                   "2"                             },
1867   { CA_ARG_3,                   "3"                             },
1868   { CA_ARG_4,                   "4"                             },
1869   { CA_ARG_5,                   "5"                             },
1870   { CA_ARG_10,                  "10"                            },
1871   { CA_ARG_100,                 "100"                           },
1872   { CA_ARG_1000,                "1000"                          },
1873   { CA_ARG_UNDEFINED,           " "                             },
1874   { CA_ARG_NUMBER_MIN,          "min"                           },
1875   { CA_ARG_NUMBER_MAX,          "max"                           },
1876   { CA_ARG_UNDEFINED,           " "                             },
1877   { CA_ARG_NUMBER_RESET,        "reset"                         },
1878   { CA_ARG_UNDEFINED,           " "                             },
1879   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1880   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1881   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1882   { CA_ARG_UNDEFINED,           " "                             },
1883   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1884   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1885   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1886   { CA_ARG_UNDEFINED,           " "                             },
1887   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1888   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1889   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1890   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1891   { CA_ARG_UNDEFINED,           " "                             },
1892   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1893   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1894   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1895   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1896   { CA_ARG_UNDEFINED,           " "                             },
1897   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1898   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1899   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1900   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_action_arg_envelope[] =
1906 {
1907   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1908   { CA_ARG_1,                   "1"                             },
1909   { CA_ARG_2,                   "2"                             },
1910   { CA_ARG_3,                   "3"                             },
1911   { CA_ARG_4,                   "4"                             },
1912   { CA_ARG_UNDEFINED,           " "                             },
1913   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1914   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1915   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1916   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1917
1918   { -1,                         NULL                            }
1919 };
1920
1921 static struct ValueTextInfo options_action_arg_key[] =
1922 {
1923   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1924   { CA_ARG_1,                   "1"                             },
1925   { CA_ARG_2,                   "2"                             },
1926   { CA_ARG_3,                   "3"                             },
1927   { CA_ARG_4,                   "4"                             },
1928   { CA_ARG_5,                   "5"                             },
1929   { CA_ARG_6,                   "6"                             },
1930   { CA_ARG_7,                   "7"                             },
1931   { CA_ARG_8,                   "8"                             },
1932   { CA_ARG_UNDEFINED,           " "                             },
1933   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1934   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1935   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1936   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1937
1938   { -1,                         NULL                            }
1939 };
1940
1941 static struct ValueTextInfo options_action_arg_speed[] =
1942 {
1943   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1944   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1945   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1946   { CA_ARG_SPEED_SLOW,          "slow"                          },
1947   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1948   { CA_ARG_SPEED_FAST,          "fast"                          },
1949   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1950   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1951   { CA_ARG_UNDEFINED,           " "                             },
1952   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1953   { CA_ARG_SPEED_FASTER,        "faster"                        },
1954   { CA_ARG_UNDEFINED,           " "                             },
1955   { CA_ARG_SPEED_RESET,         "reset"                         },
1956
1957   { -1,                         NULL                            }
1958 };
1959
1960 static struct ValueTextInfo options_action_arg_shield[] =
1961 {
1962   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1963   { CA_ARG_SHIELD_OFF,          "off"                           },
1964   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1965   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1966
1967   { -1,                         NULL                            }
1968 };
1969
1970 static struct ValueTextInfo options_action_arg_artwork[] =
1971 {
1972   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1973   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1974   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1975   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1976   { CA_ARG_UNDEFINED,           " "                             },
1977   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1978
1979   { -1,                         NULL                            }
1980 };
1981
1982 static struct ValueTextInfo options_action_arg_gravity[] =
1983 {
1984   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1985   { CA_ARG_GRAVITY_ON,          "on"                            },
1986   { CA_ARG_GRAVITY_OFF,         "off"                           },
1987   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_action_arg_direction[] =
1993 {
1994   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1995   { CA_ARG_DIRECTION_NONE,      "none"                          },
1996   { CA_ARG_DIRECTION_LEFT,      "left"                          },
1997   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
1998   { CA_ARG_DIRECTION_UP,        "up"                            },
1999   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2000   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2001   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2002
2003   { -1,                         NULL                            }
2004 };
2005
2006 static struct ValueTextInfo options_action_arg_scan_mode[] =
2007 {
2008   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2009   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2010   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2011
2012   { -1,                         NULL                            }
2013 };
2014
2015 static struct ValueTextInfo options_action_arg_inventory[] =
2016 {
2017   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2018   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2019   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2020   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2021   { CA_ARG_UNDEFINED,           " "                             },
2022   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2023   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2024   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2025   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2026   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2027   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2028   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2029   { CA_ARG_UNDEFINED,           " "                             },
2030   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2031
2032   { -1,                         NULL                            }
2033 };
2034
2035 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2036 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2037 {
2038   { -1,                         NULL                            }
2039 };
2040
2041 static struct ValueTextInfo options_group_choice_mode[] =
2042 {
2043   { ANIM_RANDOM,                "random"                        },
2044   { ANIM_LOOP,                  "loop"                          },
2045   { ANIM_LINEAR,                "linear"                        },
2046   { ANIM_PINGPONG,              "pingpong"                      },
2047   { ANIM_PINGPONG2,             "pingpong 2"                    },
2048
2049   { -1,                         NULL                            }
2050 };
2051
2052 static struct ValueTextInfo *action_arg_modes[] =
2053 {
2054   options_action_mode_none,
2055   options_action_mode_assign,
2056   options_action_mode_add_remove,
2057   options_action_mode_calculate,
2058 };
2059
2060 static struct
2061 {
2062   int value;
2063   int mode;
2064   struct ValueTextInfo *options;
2065 }
2066 action_arg_options[] =
2067 {
2068   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2069   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2070   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2071   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2072   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2073   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2074   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2075   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2076   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2077   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2078   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2079   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2080   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2081   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2082   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2083   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2084   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2085   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2086   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2087   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2088   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2089
2090   { -1,                         FALSE,  NULL                            }
2091 };
2092
2093 static struct
2094 {
2095   int x, y;
2096   int gadget_id;
2097   int gadget_id_align;
2098   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2099   struct ValueTextInfo *options;
2100   int *value;
2101   char *text_left, *text_right, *infotext;
2102 } selectbox_info[ED_NUM_SELECTBOX] =
2103 {
2104   /* ---------- level and editor settings ---------------------------------- */
2105
2106   {
2107     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2108     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2109     -1,
2110     options_time_or_steps,
2111     &level.use_step_counter,
2112     NULL, "(0 => no limit)",            "time or step limit"
2113   },
2114   {
2115     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2116     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2117     -1,
2118     options_game_engine_type,
2119     &level.game_engine_type,
2120     "game engine:", NULL,               "game engine"
2121   },
2122   {
2123     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2124     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2125     -1,
2126     options_wind_direction,
2127     &level.wind_direction_initial,
2128     "initial wind direction:", NULL,    "initial wind direction"
2129   },
2130
2131   /* ---------- element settings: configure (several elements) ------------- */
2132
2133   {
2134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2135     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2136     -1,
2137     options_player_speed,
2138     &level.initial_player_stepsize[0],
2139     "initial player speed:", NULL,      "initial player speed"
2140   },
2141
2142   /* ---------- element settings: configure 1 (custom elements) ------------ */
2143
2144   {
2145     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2146     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2147     -1,
2148     options_access_type,
2149     &custom_element.access_type,
2150     NULL, NULL,                         "type of access to this field"
2151   },
2152   {
2153     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2154     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2155     -1,
2156     options_access_layer,
2157     &custom_element.access_layer,
2158     NULL, NULL,                         "layer of access for this field"
2159   },
2160   {
2161     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2162     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2163     -1,
2164     options_access_protected,
2165     &custom_element.access_protected,
2166     NULL, NULL,                         "protected access for this field"
2167   },
2168   {
2169     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2170     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2171     -1,
2172     options_access_direction,
2173     &custom_element.access_direction,
2174     "from", NULL,                       "access direction for this field"
2175   },
2176   {
2177     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2178     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2179     -1,
2180     options_walk_to_action,
2181     &custom_element.walk_to_action,
2182     NULL, NULL,                         "diggable/collectible/pushable"
2183   },
2184
2185   /* ---------- element settings: configure 2 (custom elements) ------------ */
2186
2187   {
2188     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2189     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2190     -1,
2191     options_move_pattern,
2192     &custom_element.move_pattern,
2193     "can move", NULL,                   "element move pattern"
2194   },
2195   {
2196     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2197     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2198     -1,
2199     options_move_direction,
2200     &custom_element.move_direction_initial,
2201     "starts moving", NULL,              "initial element move direction"
2202   },
2203   {
2204     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2205     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2206     -1,
2207     options_move_stepsize,
2208     &custom_element.move_stepsize,
2209     "move/fall speed", NULL,            "speed of element movement"
2210   },
2211   {
2212     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2213     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2214     -1,
2215     options_move_leave_type,
2216     &custom_element.move_leave_type,
2217     "can dig:    can", ":",             "leave behind or change element"
2218   },
2219   {
2220     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2221     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2222     -1,
2223     options_smash_targets,
2224     &custom_element.smash_targets,
2225     "can smash", NULL,                  "elements that can be smashed"
2226   },
2227   {
2228     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2229     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2230     -1,
2231     options_slippery_type,
2232     &custom_element.slippery_type,
2233     "slippery", NULL,                   "where other elements fall down"
2234   },
2235   {
2236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2237     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2238     -1,
2239     options_deadliness,
2240     &custom_element.deadliness,
2241     "deadly when", NULL,                "deadliness of element"
2242   },
2243   {
2244     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2245     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2246     -1,
2247     options_explosion_type,
2248     &custom_element.explosion_type,
2249     "can explode", NULL,                "explosion type"
2250   },
2251
2252   /* ---------- element settings: advanced (custom elements) --------------- */
2253
2254   {
2255     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2256     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2257     -1,
2258     options_time_units,
2259     &custom_element_change.delay_frames,
2260     "delay time given in", NULL,        "delay time units for change"
2261   },
2262   {
2263     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2264     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2265     -1,
2266     options_change_direct_action,
2267     &custom_element_change.direct_action,
2268     NULL, NULL,                         "type of direct action"
2269   },
2270   {
2271     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2272     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2273     -1,
2274     options_change_other_action,
2275     &custom_element_change.other_action,
2276     NULL, "element:",                   "type of other element action"
2277   },
2278   {
2279     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2280     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2281     -1,
2282     options_change_trigger_side,
2283     &custom_element_change.trigger_side,
2284     "at", "side",                       "element side triggering change"
2285   },
2286   {
2287     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2288     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2289     -1,
2290     options_change_trigger_player,
2291     &custom_element_change.trigger_player,
2292     "player:", " ",                     "player that causes change"
2293   },
2294   {
2295     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2296     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2297     -1,
2298     options_change_trigger_page,
2299     &custom_element_change.trigger_page,
2300     "page:", NULL,                      "change page that causes change"
2301   },
2302   {
2303     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2304     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2305     -1,
2306     options_change_replace_when,
2307     &custom_element_change.replace_when,
2308     "replace when", NULL,               "which elements can be replaced"
2309   },
2310   {
2311     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2312     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2313     -1,
2314     options_action_type,
2315     &custom_element_change.action_type,
2316     NULL, NULL,                         "action on specified condition"
2317   },
2318   {
2319     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2320     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2321     -1,
2322     options_action_mode_none,
2323     &custom_element_change.action_mode,
2324     NULL, NULL,                         "action operator"
2325   },
2326   {
2327     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2328     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2329     -1,
2330     options_action_arg_none,
2331     &custom_element_change.action_arg,
2332     NULL, NULL,                         "action parameter"
2333   },
2334   {
2335     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2336     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2337     3,
2338     options_change_page,
2339     &custom_element.current_change_page,
2340     NULL, NULL,                         "element change page"
2341   },
2342
2343   /* ---------- element settings: configure (group elements) --------------- */
2344
2345   {
2346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2347     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2348     -1,
2349     options_group_choice_mode,
2350     &group_element_info.choice_mode,
2351     "choice type:", NULL,               "type of group element choice"
2352   },
2353 };
2354
2355 static struct
2356 {
2357   int x, y;
2358   int gadget_id;
2359   int gadget_id_align;
2360   int size;
2361   char *text;
2362   char *text_left, *text_right, *infotext;
2363 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2364 {
2365   {
2366     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2367     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2368     8,                                  "Level",
2369     NULL, NULL,                         "Configure level properties"
2370   },
2371   {
2372     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2373     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2374     8,                                  "Editor",
2375     NULL, NULL,                         "Configure editor properties"
2376   },
2377   {
2378     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2379     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2380     8,                                  "Info",
2381     NULL, NULL,                         "Show information about element"
2382   },
2383   {
2384     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2385     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2386     8,                                  "Config",
2387     NULL, NULL,                         "Configure element properties"
2388   },
2389   {
2390     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2391     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2392     8,                                  "Config 1",
2393     NULL, NULL,                         "Configure element properties, part 1"
2394   },
2395   {
2396     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2397     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2398     8,                                  "Config 2",
2399     NULL, NULL,                         "Configure element properties, part 2"
2400   },
2401   {
2402     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2403     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2404     8,                                  "Change",
2405     NULL, NULL,                         "Configure custom element change pages"
2406   },
2407   {
2408     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2409     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2410     -1,                                 "Save",
2411     " ", "As Template",                 "Save current settings as new template"
2412   },
2413   {
2414     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2415     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2416     -1,                                 "New",
2417     NULL, NULL,                         "Add new change page"
2418   },
2419   {
2420     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2421     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2422     -1,                                 "Delete",
2423     NULL, NULL,                         "Delete current change page"
2424   },
2425 };
2426
2427 static struct
2428 {
2429   int gd_x, gd_y;
2430   int x, y;
2431   int width, height;
2432   int gadget_id;
2433   int gadget_id_align;
2434   char *text_left, *text_right, *infotext;
2435 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2436 {
2437   {
2438     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2440     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2441     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2442     NULL, NULL,                         "select previous change page"
2443   },
2444   {
2445     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2446     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2447     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2448     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2449     NULL, "change page",                "select next change page"
2450   },
2451   {
2452     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2453     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2454     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2455     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2456     " ", NULL,                          "copy settings from this change page"
2457   },
2458   {
2459     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2460     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2461     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2462     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2463     NULL, NULL,                         "paste settings to this change page"
2464   },
2465 };
2466
2467 static struct
2468 {
2469   int gd_x, gd_y;
2470   int x, y;
2471   int gadget_id;
2472   char *infotext;
2473 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2474 {
2475   {
2476     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
2477     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
2478     GADGET_ID_SCROLL_UP,
2479     "scroll level editing area up"
2480   },
2481   {
2482     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
2483     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
2484     GADGET_ID_SCROLL_DOWN,
2485     "scroll level editing area down"
2486   },
2487   {
2488     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
2489     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
2490     GADGET_ID_SCROLL_LEFT,
2491     "scroll level editing area left"
2492   },
2493   {
2494     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
2495     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
2496     GADGET_ID_SCROLL_RIGHT,
2497     "scroll level editing area right"
2498   },
2499   {
2500     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
2501     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
2502     GADGET_ID_SCROLL_LIST_UP,
2503     "scroll element list up ('Page Up')"
2504   },
2505   {
2506     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
2507     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
2508     GADGET_ID_SCROLL_LIST_DOWN,
2509     "scroll element list down ('Page Down')"
2510   },
2511 };
2512
2513 static struct
2514 {
2515   int gd_x, gd_y;
2516   int x, y;
2517   int width, height;
2518   int wheel_x, wheel_y;
2519   int wheel_width, wheel_height;
2520   int type;
2521   int gadget_id;
2522   char *infotext;
2523 } scrollbar_info[ED_NUM_SCROLLBARS] =
2524 {
2525   {
2526     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2527     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
2528     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
2529 #if 1
2530     SX,                                 SY,
2531     SXSIZE,                             SYSIZE,
2532 #else
2533     0,                                  0,
2534     SX + SXSIZE + SX,                   WIN_YSIZE,
2535 #endif
2536     GD_TYPE_SCROLLBAR_HORIZONTAL,
2537     GADGET_ID_SCROLL_HORIZONTAL,
2538     "scroll level editing area horizontally"
2539   },
2540   {
2541     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2542     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
2543     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
2544 #if 1
2545     SX,                                 SY,
2546     SXSIZE,                             SYSIZE,
2547 #else
2548     0,                                  0,
2549     SX + SXSIZE + SX,                   WIN_YSIZE,
2550 #endif
2551     GD_TYPE_SCROLLBAR_VERTICAL,
2552     GADGET_ID_SCROLL_VERTICAL,
2553     "scroll level editing area vertically"
2554   },
2555   {
2556     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
2557     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
2558     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2559 #if 1
2560     DX,                                 DY,
2561     DXSIZE,                             DYSIZE,
2562 #else
2563     SX + SXSIZE + SX,                   0,
2564     WIN_XSIZE - (SX + SXSIZE + SX),     WIN_YSIZE,
2565 #endif
2566     GD_TYPE_SCROLLBAR_VERTICAL,
2567     GADGET_ID_SCROLL_LIST_VERTICAL,
2568     "scroll element list vertically"
2569   }
2570 };
2571
2572 static struct
2573 {
2574   int x, y;
2575   int gadget_id;
2576   int gadget_id_align;
2577   int radio_button_nr;
2578   int *value;
2579   int checked_value;
2580   char *text_left, *text_right, *infotext;
2581 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2582 {
2583   {
2584     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2585     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2586     RADIO_NR_RANDOM_ELEMENTS,
2587     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2588     " ", "percentage",                  "use percentage for random elements"
2589   },
2590   {
2591     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2592     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2593     RADIO_NR_RANDOM_ELEMENTS,
2594     &random_placement_method,           RANDOM_USE_QUANTITY,
2595     " ", "quantity",                    "use quantity for random elements"
2596   }
2597 };
2598
2599 static struct
2600 {
2601   int x, y;
2602   int gadget_id;
2603   int gadget_id_align;
2604   boolean *value;
2605   char *text_left, *text_right, *infotext;
2606 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2607 {
2608   /* ---------- level and editor settings ---------------------------------- */
2609
2610   {
2611     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2612     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2613     &random_placement_background_restricted,
2614     NULL,
2615     "restrict random placement to:",    "set random placement restriction"
2616   },
2617
2618   /* ---------- element settings: configure (various elements) ------------- */
2619
2620   {
2621     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2622     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2623     &stick_element_properties_window,
2624     NULL,
2625     "stick this screen to edit content","stick this screen to edit content"
2626   },
2627   {
2628     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2629     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2630     &level.em_slippery_gems,
2631     NULL,
2632     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2633   },
2634   {
2635     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2636     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2637     &level.em_explodes_by_fire,
2638     NULL,
2639     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2640   },
2641   {
2642     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2643     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2644     &level.use_spring_bug,
2645     NULL,
2646     "use spring pushing bug",           "use odd spring pushing behaviour"
2647   },
2648   {
2649     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2650     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2651     &level.use_time_orb_bug,
2652     NULL,
2653     "use time orb bug",                 "use odd time orb behaviour"
2654   },
2655   {
2656     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2657     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2658     &level.ball_random,
2659     NULL,
2660     "create single random element",     "only create one element from content"
2661   },
2662   {
2663     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2664     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2665     &level.ball_state_initial,
2666     NULL,
2667     "magic ball initially activated",   "activate magic ball after level start"
2668   },
2669   {
2670     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2671     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2672     &level.grow_into_diggable,
2673     NULL,
2674     "can grow into anything diggable",  "grow into more than just sand"
2675   },
2676   {
2677     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2678     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2679     &level.auto_exit_sokoban,
2680     NULL,
2681     "exit level if all fields solved",  "automatically finish Sokoban levels"
2682   },
2683   {
2684     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2685     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2686     &level.continuous_snapping,
2687     NULL,
2688     "continuos snapping",               "use snapping without releasing key"
2689   },
2690   {
2691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2692     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2693     &level.block_snap_field,
2694     NULL,
2695     "block snapped field when snapping", "use snapping delay to show animation"
2696   },
2697   {
2698     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2699     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2700     &level.block_last_field,
2701     NULL,
2702     "block last field when moving",     "player blocks last field when moving"
2703   },
2704   {
2705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2706     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2707     &level.sp_block_last_field,
2708     NULL,
2709     "block last field when moving",     "player blocks last field when moving"
2710   },
2711   {
2712     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2713     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2714     &level.instant_relocation,
2715     NULL,
2716     "no scrolling when relocating",     "player gets relocated without delay"
2717   },
2718   {
2719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2720     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2721     &level.shifted_relocation,
2722     NULL,
2723     "no centering when relocating",     "level not centered after relocation"
2724   },
2725   {
2726     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2727     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2728     &level.use_start_element[0],
2729     NULL,
2730     "use level start element:",        "start level at this element's position"
2731   },
2732   {
2733     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2734     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2735     &level.use_artwork_element[0],
2736     NULL,
2737     "use artwork from element:",        "use player artwork from other element"
2738   },
2739   {
2740     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2741     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2742     &level.use_explosion_element[0],
2743     NULL,
2744     "use explosion from element:",      "use explosion properties from element"
2745   },
2746   {
2747     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2748     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2749     &level.initial_player_gravity[0],
2750     NULL,
2751     "use initial gravity",              "set initial player gravity"
2752   },
2753   {
2754     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2755     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2756     &level.use_initial_inventory[0],
2757     NULL,
2758     "use initial inventory:",           "use collected elements on level start"
2759   },
2760   {
2761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2762     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2763     &level.can_pass_to_walkable,
2764     NULL,
2765     "can pass to walkable element",     "player can pass to empty or walkable"
2766   },
2767   {
2768     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2769     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2770     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2771     NULL,
2772     "can fall into acid (with gravity)","player can fall into acid pool"
2773   },
2774   {
2775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2776     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2777     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2778     NULL,
2779     "can move into acid",               "element can move into acid pool"
2780   },
2781   {
2782     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2783     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2784     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2785     NULL,
2786     "deadly when colliding with",       "element is deadly when hitting player"
2787   },
2788   {
2789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2790     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2791     &level.envelope[0].autowrap,
2792     NULL,
2793     "auto-wrap",                        "automatically wrap envelope text"
2794   },
2795   {
2796     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2797     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2798     &level.envelope[0].centered,
2799     " ",
2800     "centered",                         "automatically center envelope text"
2801   },
2802
2803   /* ---------- element settings: configure 1 (custom elements) ----------- */
2804
2805   {
2806     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2807     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2808     &custom_element.use_gfx_element,
2809
2810     /* !!! add separate "use existing element sound" !!! */
2811 #if 0
2812     NULL,
2813     "use graphic/sound of element:",    "use existing graphic and sound"
2814 #else
2815     NULL,
2816     "use graphic of element:",          "use existing element graphic"
2817 #endif
2818   },
2819   {
2820     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2821     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2822     &level.use_custom_template,
2823     NULL,
2824     "use template",                     "use template for custom properties"
2825   },
2826   {
2827     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2828     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2829     &custom_element_properties[EP_ACCESSIBLE],
2830     NULL,
2831     NULL,                               "player can walk to or pass this field"
2832   },
2833   {
2834     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2835     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2836     &custom_element_properties[EP_GRAVITY_REACHABLE],
2837     NULL,
2838     "reachable despite gravity",        "player can walk/dig despite gravity"
2839   },
2840   {
2841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2842     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2843     &custom_element.use_last_ce_value,
2844     NULL,
2845     "use last CE value after change",   "use last CE value after change"
2846   },
2847   {
2848     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2849     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2850     &custom_element_properties[EP_WALK_TO_OBJECT],
2851     NULL,
2852     NULL,                               "player can dig/collect/push element"
2853   },
2854   {
2855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2856     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2857     &custom_element_properties[EP_INDESTRUCTIBLE],
2858     NULL,
2859     "indestructible",                   "element is indestructible"
2860   },
2861
2862   /* ---------- element settings: configure 2 (custom elements) ----------- */
2863
2864   {
2865     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2866     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2867     &custom_element_properties[EP_CAN_MOVE],
2868     NULL,
2869     NULL,                               "element can move with some pattern"
2870   },
2871   {
2872     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2873     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2874     &custom_element_properties[EP_CAN_FALL],
2875     NULL,
2876     "can fall",                         "element can fall down"
2877   },
2878   {
2879     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2880     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2881     &custom_element_properties[EP_CAN_SMASH],
2882     " ",
2883     NULL,                               "element can smash other elements"
2884   },
2885   {
2886     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2887     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2888     &custom_element_properties[EP_SLIPPERY],
2889     NULL,
2890     NULL,                               "other elements can fall down from it"
2891   },
2892   {
2893     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2894     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2895     &custom_element_properties[EP_DEADLY],
2896     NULL,
2897     NULL,                               "element can kill the player"
2898   },
2899   {
2900     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2901     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2902     &custom_element_properties[EP_CAN_EXPLODE],
2903     NULL,
2904     NULL,                               "element can explode"
2905   },
2906   {
2907     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2908     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2909     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2910     NULL,
2911     "by fire",                          "element can explode by fire/explosion"
2912   },
2913   {
2914     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2915     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2916     &custom_element_properties[EP_EXPLODES_SMASHED],
2917     " ",
2918     "smashed",                          "element can explode when smashed"
2919   },
2920   {
2921     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2922     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2923     &custom_element_properties[EP_EXPLODES_IMPACT],
2924     " ",
2925     "impact",                           "element can explode on impact"
2926   },
2927
2928   /* ---------- element settings: advanced (custom elements) --------------- */
2929
2930   {
2931     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2932     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2933     &custom_element_change.can_change,
2934     NULL,
2935     "element changes to:",              "change element on specified condition"
2936   },
2937   {
2938     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2939     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2940     &custom_element_change_events[CE_DELAY],
2941     NULL,
2942     NULL,                               "element changes after delay"
2943   },
2944   {
2945     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2946     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2947     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2948     NULL,
2949     NULL,                               "element changes by direct action"
2950   },
2951   {
2952     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2953     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2954     &custom_element_change_events[CE_BY_OTHER_ACTION],
2955     NULL,
2956     NULL,                               "element changes by other element"
2957   },
2958   {
2959     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2960     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2961     &custom_element_change.explode,
2962     NULL,
2963     "explode instead of change",        "element explodes instead of change"
2964   },
2965   {
2966     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2967     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2968     &custom_element_change.use_target_content,
2969     NULL,
2970     "use extended change target:",      "element changes to more elements"
2971   },
2972   {
2973     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2974     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2975     &custom_element_change.only_if_complete,
2976     NULL,
2977     "replace all or nothing",           "only replace when all can be changed"
2978   },
2979   {
2980     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
2981     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2982     &custom_element_change.use_random_replace,
2983     NULL,
2984     NULL,                               "use percentage for random replace"
2985   },
2986   {
2987     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2988     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
2989     &custom_element_change.has_action,
2990     NULL,
2991     NULL,                               "execute action on specified condition"
2992   },
2993 };
2994
2995 static struct
2996 {
2997   int x, y;
2998   int gadget_id;
2999   int gadget_id_align;
3000   int *value;
3001   int area_xsize, area_ysize;
3002   char *text_left, *text_right, *text_below, *infotext;
3003 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3004 {
3005   /* ---------- level playfield content ------------------------------------ */
3006
3007   {
3008     0,                                  0,
3009     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3010     NULL,                               MAX_ED_FIELDX, MAX_ED_FIELDY,
3011     NULL, NULL, NULL,                   NULL
3012   },
3013
3014   /* ---------- yam yam content -------------------------------------------- */
3015
3016   {
3017     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3018     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3019     &level.yamyam_content[0].e[0][0],   3, 3,
3020     NULL, NULL, "1",                    NULL
3021   },
3022   {
3023     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3024     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3025     &level.yamyam_content[1].e[0][0],   3, 3,
3026     NULL, NULL, "2",                    NULL
3027   },
3028   {
3029     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3030     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3031     &level.yamyam_content[2].e[0][0],   3, 3,
3032     NULL, NULL, "3",                    NULL
3033   },
3034   {
3035     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3036     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3037     &level.yamyam_content[3].e[0][0],   3, 3,
3038     NULL, NULL, "4",                    NULL
3039   },
3040   {
3041     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3042     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3043     &level.yamyam_content[4].e[0][0],   3, 3,
3044     NULL, NULL, "5",                    NULL
3045   },
3046   {
3047     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3048     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3049     &level.yamyam_content[5].e[0][0],   3, 3,
3050     NULL, NULL, "6",                    NULL
3051   },
3052   {
3053     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3054     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3055     &level.yamyam_content[6].e[0][0],   3, 3,
3056     NULL, NULL, "7",                    NULL
3057   },
3058   {
3059     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3060     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3061     &level.yamyam_content[7].e[0][0],   3, 3,
3062     NULL, NULL, "8",                    NULL
3063   },
3064
3065   /* ---------- magic ball content ----------------------------------------- */
3066
3067   {
3068     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3069     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3070     &level.ball_content[0].e[0][0],     3, 3,
3071     NULL, NULL, "1",                    NULL
3072   },
3073   {
3074     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3075     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3076     &level.ball_content[1].e[0][0],     3, 3,
3077     NULL, NULL, "2",                    NULL
3078   },
3079   {
3080     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3081     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3082     &level.ball_content[2].e[0][0],     3, 3,
3083     NULL, NULL, "3",                    NULL
3084   },
3085   {
3086     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3087     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3088     &level.ball_content[3].e[0][0],     3, 3,
3089     NULL, NULL, "4",                    NULL
3090   },
3091   {
3092     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3093     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3094     &level.ball_content[4].e[0][0],     3, 3,
3095     NULL, NULL, "5",                    NULL
3096   },
3097   {
3098     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3099     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3100     &level.ball_content[5].e[0][0],     3, 3,
3101     NULL, NULL, "6",                    NULL
3102   },
3103   {
3104     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3105     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3106     &level.ball_content[6].e[0][0],     3, 3,
3107     NULL, NULL, "7",                    NULL
3108   },
3109   {
3110     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3111     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3112     &level.ball_content[7].e[0][0],     3, 3,
3113     NULL, NULL, "8",                    NULL
3114   },
3115
3116   /* ---------- android content -------------------------------------------- */
3117
3118   {
3119     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3120     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3121     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3122     "elements:", NULL, NULL,            "elements android can clone"
3123   },
3124
3125   /* ---------- amoeba content --------------------------------------------- */
3126
3127   {
3128     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3129     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3130     &level.amoeba_content,              1, 1,
3131     "content:", NULL, NULL,             "amoeba content"
3132   },
3133
3134   /* ---------- level start element ---------------------------------------- */
3135
3136   {
3137     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3138     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3139     &level.start_element[0],            1, 1,
3140     NULL, NULL, NULL,                   "level start element"
3141   },
3142
3143   /* ---------- player artwork element ------------------------------------- */
3144
3145   {
3146     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3147     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3148     &level.artwork_element[0],          1, 1,
3149     NULL, NULL, NULL,                   "element for player artwork"
3150   },
3151
3152   /* ---------- player explosion element ----------------------------------- */
3153
3154   {
3155     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3156     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3157     &level.explosion_element[0],        1, 1,
3158     NULL, NULL, NULL,                   "element for player explosion"
3159   },
3160
3161   /* ---------- player initial inventory ----------------------------------- */
3162
3163   {
3164     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3165     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3166     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3167     NULL, NULL, NULL,                   "content for initial inventory"
3168   },
3169
3170   /* ---------- element settings: configure 1 (custom elements) ----------- */
3171
3172   /* ---------- custom graphic --------------------------------------------- */
3173
3174   {
3175     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3176     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3177     &custom_element.gfx_element_initial,1, 1,
3178     NULL, NULL, NULL,                   "custom graphic element"
3179   },
3180
3181   /* ---------- element settings: configure 2 (custom elements) ----------- */
3182
3183   /* ---------- custom content (when exploding) ---------------------------- */
3184
3185   {
3186     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3187     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3188     &custom_element.content.e[0][0],    3, 3,
3189     "content:", NULL, NULL,             NULL
3190   },
3191
3192   /* ---------- custom enter and leave element (when moving) --------------- */
3193
3194   {
3195     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3196     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3197     &custom_element.move_enter_element, 1, 1,
3198     "can dig:", " ", NULL,              "element that can be digged/collected"
3199   },
3200   {
3201     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3202     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3203     &custom_element.move_leave_element, 1, 1,
3204     NULL, NULL, NULL,                   "element that will be left behind"
3205   },
3206
3207   /* ---------- element settings: advanced (custom elements) --------------- */
3208
3209   /* ---------- custom change target --------------------------------------- */
3210
3211   {
3212     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3213     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3214     &custom_element_change.target_element, 1, 1,
3215     NULL, "after/when:", NULL,          "new target element after change"
3216   },
3217
3218   /* ---------- custom change content (extended change target) ------------- */
3219
3220   {
3221     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3222     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3223     &custom_element_change.target_content.e[0][0], 3, 3,
3224     NULL, NULL, NULL,                   "new extended elements after change"
3225   },
3226
3227   /* ---------- custom change trigger (element causing change) ------------- */
3228
3229   {
3230     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3231     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3232     &custom_element_change.initial_trigger_element, 1, 1,
3233     NULL, NULL, NULL,                   "other element triggering change"
3234   },
3235
3236   /* ---------- custom change action (element used for action) ------------- */
3237
3238   {
3239     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3240     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3241     &custom_element_change.action_element, 1, 1,
3242     NULL, NULL, NULL,                   "element used as action parameter"
3243   },
3244
3245   /* ---------- group element content -------------------------------------- */
3246
3247   {
3248     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3249     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3250     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3251     "content:", NULL, NULL,             NULL
3252   },
3253
3254   /* ---------- random background (for random painting) -------------------- */
3255
3256   {
3257     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3258     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3259     &random_placement_background_element, 1, 1,
3260     NULL, NULL, NULL,                   "random placement background"
3261   },
3262 };
3263
3264
3265 /*
3266   -----------------------------------------------------------------------------
3267   some internally used variables
3268   -----------------------------------------------------------------------------
3269 */
3270
3271 /* actual size of level editor drawing area */
3272 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
3273
3274 /* actual position of level editor drawing area in level playfield */
3275 static int level_xpos = -1, level_ypos = -1;
3276
3277 #if 1
3278 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3279 #else
3280 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
3281 #endif
3282
3283 /* drawing elements on the three mouse buttons */
3284 static int new_element1 = EL_WALL;
3285 static int new_element2 = EL_EMPTY;
3286 static int new_element3 = EL_SAND;
3287
3288 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3289 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3290                                 (button) == 2 ? new_element2 : \
3291                                 (button) == 3 ? new_element3 : EL_EMPTY)
3292 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3293
3294 /* forward declaration for internal use */
3295 static void ModifyEditorCounterValue(int, int);
3296 static void ModifyEditorCounterLimits(int, int, int);
3297 static void ModifyEditorSelectboxValue(int, int);
3298 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3299 static void ModifyEditorDrawingArea(int, int, int);
3300 static void ModifyEditorElementList();
3301 static void AdjustElementListScrollbar();
3302 static void RedrawDrawingElements();
3303 static void DrawDrawingWindow();
3304 static void DrawLevelInfoWindow();
3305 static void DrawPropertiesWindow();
3306 static void UpdateCustomElementGraphicGadgets();
3307 static boolean checkPropertiesConfig(int);
3308 static void CopyLevelToUndoBuffer(int);
3309 static void HandleDrawingAreas(struct GadgetInfo *);
3310 static void HandleCounterButtons(struct GadgetInfo *);
3311 static void HandleTextInputGadgets(struct GadgetInfo *);
3312 static void HandleTextAreaGadgets(struct GadgetInfo *);
3313 static void HandleSelectboxGadgets(struct GadgetInfo *);
3314 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3315 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3316 static void HandleRadiobuttons(struct GadgetInfo *);
3317 static void HandleCheckbuttons(struct GadgetInfo *);
3318 static void HandleControlButtons(struct GadgetInfo *);
3319 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3320 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3321
3322 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
3323 static int right_gadget_border[NUM_EDITOR_GADGETS];
3324
3325 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3326 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3327 static boolean draw_with_brush = FALSE;
3328 static int properties_element = 0;
3329
3330 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3331 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3332 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3333 static int undo_buffer_position = 0;
3334 static int undo_buffer_steps = 0;
3335
3336 static int edit_mode;
3337 static int edit_mode_levelinfo;
3338 static int edit_mode_properties;
3339
3340 static int element_shift = 0;
3341
3342 static int editor_el_players[] =
3343 {
3344   EL_PLAYER_1,
3345   EL_PLAYER_2,
3346   EL_PLAYER_3,
3347   EL_PLAYER_4
3348 };
3349 static int *editor_el_players_ptr = editor_el_players;
3350 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3351
3352 static int editor_hl_boulderdash[] =
3353 {
3354   EL_INTERNAL_CASCADE_BD_ACTIVE,
3355   EL_CHAR('B'),
3356   EL_CHAR('D'),
3357   EL_EMPTY,
3358 };
3359
3360 static int editor_el_boulderdash[] =
3361 {
3362   EL_EMPTY,
3363   EL_SAND,
3364   EL_BD_ROCK,
3365   EL_BD_DIAMOND,
3366
3367   EL_STEELWALL,
3368   EL_BD_WALL,
3369   EL_BD_EXPANDABLE_WALL,
3370   EL_BD_MAGIC_WALL,
3371
3372   EL_BD_AMOEBA,
3373   EL_BD_BUTTERFLY_UP,
3374   EL_BD_FIREFLY_UP,
3375   EL_EXIT_CLOSED,
3376
3377   EL_BD_BUTTERFLY_LEFT,
3378   EL_BD_FIREFLY_LEFT,
3379   EL_BD_BUTTERFLY_RIGHT,
3380   EL_BD_FIREFLY_RIGHT,
3381
3382   EL_EMPTY,
3383   EL_BD_BUTTERFLY_DOWN,
3384   EL_BD_FIREFLY_DOWN,
3385   EL_EXIT_OPEN,
3386 };
3387 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3388 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3389 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3390 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3391
3392 static int editor_hl_emerald_mine[] =
3393 {
3394   EL_INTERNAL_CASCADE_EM_ACTIVE,
3395   EL_CHAR('E'),
3396   EL_CHAR('M'),
3397   EL_EMPTY,
3398 };
3399
3400 static int editor_el_emerald_mine[] =
3401 {
3402   EL_SAND,
3403   EL_ROCK,
3404   EL_QUICKSAND_EMPTY,
3405   EL_QUICKSAND_FULL,
3406
3407   EL_STEELWALL,
3408   EL_WALL,
3409   EL_WALL_SLIPPERY,
3410   EL_MAGIC_WALL,
3411
3412   EL_EMERALD,
3413   EL_DIAMOND,
3414   EL_NUT,
3415   EL_BOMB,
3416
3417   EL_WALL_EMERALD,
3418   EL_WALL_DIAMOND,
3419   EL_DYNAMITE,
3420   EL_DYNAMITE_ACTIVE,
3421
3422   EL_YAMYAM,
3423   EL_BUG_UP,
3424   EL_SPACESHIP_UP,
3425   EL_ROBOT,
3426
3427   EL_BUG_LEFT,
3428   EL_SPACESHIP_LEFT,
3429   EL_BUG_RIGHT,
3430   EL_SPACESHIP_RIGHT,
3431
3432   EL_ROBOT_WHEEL,
3433   EL_BUG_DOWN,
3434   EL_SPACESHIP_DOWN,
3435   EL_INVISIBLE_WALL,
3436
3437   EL_ACID_POOL_TOPLEFT,
3438   EL_ACID,
3439   EL_ACID_POOL_TOPRIGHT,
3440   EL_AMOEBA_DROP,
3441
3442   EL_ACID_POOL_BOTTOMLEFT,
3443   EL_ACID_POOL_BOTTOM,
3444   EL_ACID_POOL_BOTTOMRIGHT,
3445   EL_AMOEBA_WET,
3446
3447   EL_EM_KEY_1,
3448   EL_EM_KEY_2,
3449   EL_EM_KEY_3,
3450   EL_EM_KEY_4,
3451
3452   EL_EM_GATE_1,
3453   EL_EM_GATE_2,
3454   EL_EM_GATE_3,
3455   EL_EM_GATE_4,
3456
3457   EL_EM_GATE_1_GRAY,
3458   EL_EM_GATE_2_GRAY,
3459   EL_EM_GATE_3_GRAY,
3460   EL_EM_GATE_4_GRAY,
3461
3462   EL_EM_EXIT_CLOSED,
3463   EL_EM_EXIT_OPEN,
3464   EL_EM_STEEL_EXIT_CLOSED,
3465   EL_EM_STEEL_EXIT_OPEN,
3466 };
3467 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3468 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3469 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3470 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3471
3472 static int editor_hl_emerald_mine_club[] =
3473 {
3474   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3475   EL_CHAR('E'),
3476   EL_CHAR('M'),
3477   EL_CHAR('C'),
3478 };
3479
3480 static int editor_el_emerald_mine_club[] =
3481 {
3482   EL_EMC_KEY_5,
3483   EL_EMC_KEY_6,
3484   EL_EMC_KEY_7,
3485   EL_EMC_KEY_8,
3486
3487   EL_EMC_GATE_5,
3488   EL_EMC_GATE_6,
3489   EL_EMC_GATE_7,
3490   EL_EMC_GATE_8,
3491
3492   EL_EMC_GATE_5_GRAY,
3493   EL_EMC_GATE_6_GRAY,
3494   EL_EMC_GATE_7_GRAY,
3495   EL_EMC_GATE_8_GRAY,
3496
3497   EL_EMC_STEELWALL_1,
3498   EL_EMC_STEELWALL_2,
3499   EL_EMC_STEELWALL_3,
3500   EL_EMC_STEELWALL_4,
3501
3502   EL_EMC_WALL_13,
3503   EL_EMC_WALL_14,
3504   EL_EMC_WALL_15,
3505   EL_EMC_WALL_16,
3506
3507   EL_EMC_WALL_SLIPPERY_1,
3508   EL_EMC_WALL_SLIPPERY_2,
3509   EL_EMC_WALL_SLIPPERY_3,
3510   EL_EMC_WALL_SLIPPERY_4,
3511
3512   EL_EMC_WALL_1,
3513   EL_EMC_WALL_2,
3514   EL_EMC_WALL_3,
3515   EL_EMC_WALL_4,
3516
3517   EL_EMC_WALL_5,
3518   EL_EMC_WALL_6,
3519   EL_EMC_WALL_7,
3520   EL_EMC_WALL_8,
3521
3522   EL_EMC_WALL_9,
3523   EL_EMC_WALL_10,
3524   EL_EMC_WALL_11,
3525   EL_EMC_WALL_12,
3526
3527   EL_EMC_GRASS,
3528   EL_EMC_FAKE_GRASS,
3529   EL_EMC_PLANT,
3530   EL_EMC_DRIPPER,
3531
3532   EL_EMC_MAGIC_BALL,
3533   EL_EMC_MAGIC_BALL_SWITCH,
3534   EL_SPRING,
3535   EL_EMC_SPRING_BUMPER,
3536
3537   EL_EMC_LENSES,
3538   EL_EMC_MAGNIFIER,
3539   EL_EM_DYNAMITE,
3540   EL_EM_DYNAMITE_ACTIVE,
3541
3542   EL_BALLOON,
3543   EL_YAMYAM_UP,
3544   EL_BALLOON_SWITCH_UP,
3545   EL_BALLOON_SWITCH_ANY,
3546
3547   EL_YAMYAM_LEFT,
3548   EL_BALLOON_SWITCH_LEFT,
3549   EL_YAMYAM_RIGHT,
3550   EL_BALLOON_SWITCH_RIGHT,
3551
3552   EL_EMC_ANDROID,
3553   EL_YAMYAM_DOWN,
3554   EL_BALLOON_SWITCH_DOWN,
3555   EL_BALLOON_SWITCH_NONE,
3556 };
3557 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3558 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3559 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3560 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3561
3562 static int editor_hl_rnd[] =
3563 {
3564   EL_INTERNAL_CASCADE_RND_ACTIVE,
3565   EL_CHAR('R'),
3566   EL_CHAR('N'),
3567   EL_CHAR('D'),
3568 };
3569
3570 static int editor_el_rnd[] =
3571 {
3572   EL_KEY_1,
3573   EL_KEY_2,
3574   EL_KEY_3,
3575   EL_KEY_4,
3576
3577   EL_GATE_1,
3578   EL_GATE_2,
3579   EL_GATE_3,
3580   EL_GATE_4,
3581
3582   EL_GATE_1_GRAY,
3583   EL_GATE_2_GRAY,
3584   EL_GATE_3_GRAY,
3585   EL_GATE_4_GRAY,
3586
3587   EL_ARROW_LEFT,
3588   EL_ARROW_RIGHT,
3589   EL_ARROW_UP,
3590   EL_ARROW_DOWN,
3591
3592   EL_AMOEBA_DEAD,
3593   EL_AMOEBA_DRY,
3594   EL_AMOEBA_FULL,
3595   EL_GAME_OF_LIFE,
3596
3597   EL_EMERALD_YELLOW,
3598   EL_EMERALD_RED,
3599   EL_EMERALD_PURPLE,
3600   EL_BIOMAZE,
3601
3602   EL_WALL_EMERALD_YELLOW,
3603   EL_WALL_EMERALD_RED,
3604   EL_WALL_EMERALD_PURPLE,
3605   EL_WALL_BD_DIAMOND,
3606
3607   EL_SPEED_PILL,
3608   EL_PACMAN_UP,
3609   EL_TIME_ORB_FULL,
3610   EL_TIME_ORB_EMPTY,
3611
3612   EL_PACMAN_LEFT,
3613   EL_DARK_YAMYAM,
3614   EL_PACMAN_RIGHT,
3615   EL_EMPTY,
3616
3617   EL_BLACK_ORB,
3618   EL_PACMAN_DOWN,
3619   EL_LAMP,
3620   EL_LAMP_ACTIVE,
3621
3622   EL_DYNABOMB_INCREASE_NUMBER,
3623   EL_DYNABOMB_INCREASE_SIZE,
3624   EL_DYNABOMB_INCREASE_POWER,
3625   EL_STONEBLOCK,
3626
3627   EL_MOLE,
3628   EL_PENGUIN,
3629   EL_PIG,
3630   EL_DRAGON,
3631
3632   EL_BUG,
3633   EL_MOLE_UP,
3634   EL_BD_BUTTERFLY,
3635   EL_BD_FIREFLY,
3636
3637   EL_MOLE_LEFT,
3638   EL_SATELLITE,
3639   EL_MOLE_RIGHT,
3640   EL_PACMAN,
3641
3642   EL_SPACESHIP,
3643   EL_MOLE_DOWN,
3644   EL_INVISIBLE_STEELWALL,
3645   EL_INVISIBLE_WALL,
3646
3647   EL_EXPANDABLE_WALL,
3648   EL_EXPANDABLE_WALL_HORIZONTAL,
3649   EL_EXPANDABLE_WALL_VERTICAL,
3650   EL_EXPANDABLE_WALL_ANY,
3651 };
3652 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3653 static int *editor_el_rnd_ptr = editor_el_rnd;
3654 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3655 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3656
3657 static int editor_hl_sokoban[] =
3658 {
3659   EL_INTERNAL_CASCADE_SB_ACTIVE,
3660   EL_CHAR('S'),
3661   EL_CHAR('B'),
3662   EL_EMPTY,
3663 };
3664
3665 static int editor_el_sokoban[] =
3666 {
3667   EL_SOKOBAN_OBJECT,
3668   EL_SOKOBAN_FIELD_EMPTY,
3669   EL_SOKOBAN_FIELD_FULL,
3670   EL_SOKOBAN_FIELD_PLAYER,
3671 };
3672 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3673 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3674 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3675 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3676
3677 static int editor_hl_supaplex[] =
3678 {
3679   EL_INTERNAL_CASCADE_SP_ACTIVE,
3680   EL_CHAR('S'),
3681   EL_CHAR('P'),
3682   EL_EMPTY,
3683 };
3684
3685 static int editor_el_supaplex[] =
3686 {
3687   EL_SP_MURPHY,
3688   EL_EMPTY,
3689   EL_SP_BASE,
3690   EL_SP_BUGGY_BASE,
3691
3692   EL_SP_INFOTRON,
3693   EL_SP_ZONK,
3694   EL_SP_SNIKSNAK,
3695   EL_SP_ELECTRON,
3696
3697   EL_SP_DISK_RED,
3698   EL_SP_DISK_ORANGE,
3699   EL_SP_DISK_YELLOW,
3700   EL_SP_TERMINAL,
3701
3702   EL_SP_EXIT_CLOSED,
3703   EL_SP_PORT_HORIZONTAL,
3704   EL_SP_PORT_VERTICAL,
3705   EL_SP_PORT_ANY,
3706
3707   EL_SP_PORT_LEFT,
3708   EL_SP_PORT_RIGHT,
3709   EL_SP_PORT_UP,
3710   EL_SP_PORT_DOWN,
3711
3712   EL_SP_GRAVITY_PORT_LEFT,
3713   EL_SP_GRAVITY_PORT_RIGHT,
3714   EL_SP_GRAVITY_PORT_UP,
3715   EL_SP_GRAVITY_PORT_DOWN,
3716
3717   EL_SP_HARDWARE_GRAY,
3718   EL_SP_HARDWARE_GREEN,
3719   EL_SP_HARDWARE_BLUE,
3720   EL_SP_HARDWARE_RED,
3721
3722   EL_SP_HARDWARE_BASE_1,
3723   EL_SP_HARDWARE_BASE_2,
3724   EL_SP_HARDWARE_BASE_3,
3725   EL_SP_HARDWARE_BASE_4,
3726
3727   EL_SP_HARDWARE_BASE_5,
3728   EL_SP_HARDWARE_BASE_6,
3729   EL_SP_HARDWARE_YELLOW,
3730   EL_SP_CHIP_TOP,
3731
3732   EL_SP_CHIP_SINGLE,
3733   EL_SP_CHIP_LEFT,
3734   EL_SP_CHIP_RIGHT,
3735   EL_SP_CHIP_BOTTOM,
3736 };
3737 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3738 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3739 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3740 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3741
3742 static int editor_hl_diamond_caves[] =
3743 {
3744   EL_INTERNAL_CASCADE_DC_ACTIVE,
3745   EL_CHAR('D'),
3746   EL_CHAR('C'),
3747   EL_CHAR('2'),
3748 };
3749
3750 static int editor_el_diamond_caves[] =
3751 {
3752   EL_PEARL,
3753   EL_CRYSTAL,
3754   EL_WALL_PEARL,
3755   EL_WALL_CRYSTAL,
3756
3757   EL_CONVEYOR_BELT_1_LEFT,
3758   EL_CONVEYOR_BELT_1_MIDDLE,
3759   EL_CONVEYOR_BELT_1_RIGHT,
3760   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3761
3762   EL_CONVEYOR_BELT_2_LEFT,
3763   EL_CONVEYOR_BELT_2_MIDDLE,
3764   EL_CONVEYOR_BELT_2_RIGHT,
3765   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3766
3767   EL_CONVEYOR_BELT_3_LEFT,
3768   EL_CONVEYOR_BELT_3_MIDDLE,
3769   EL_CONVEYOR_BELT_3_RIGHT,
3770   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3771
3772   EL_CONVEYOR_BELT_4_LEFT,
3773   EL_CONVEYOR_BELT_4_MIDDLE,
3774   EL_CONVEYOR_BELT_4_RIGHT,
3775   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3776
3777   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3778   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3779   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3780   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3781
3782   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3783   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3784   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3785   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3786
3787   EL_TIMEGATE_CLOSED,
3788   EL_TIMEGATE_OPEN,
3789   EL_TIMEGATE_SWITCH,
3790   EL_DC_TIMEGATE_SWITCH,
3791
3792   EL_SWITCHGATE_CLOSED,
3793   EL_SWITCHGATE_OPEN,
3794   EL_SWITCHGATE_SWITCH_UP,
3795   EL_SWITCHGATE_SWITCH_DOWN,
3796
3797   EL_LIGHT_SWITCH,
3798   EL_LIGHT_SWITCH_ACTIVE,
3799   EL_DC_SWITCHGATE_SWITCH_UP,
3800   EL_DC_SWITCHGATE_SWITCH_DOWN,
3801
3802   EL_STEEL_EXIT_CLOSED,
3803   EL_STEEL_EXIT_OPEN,
3804   EL_STEELWALL_SLIPPERY,
3805   EL_INVISIBLE_SAND,
3806
3807   EL_QUICKSAND_FAST_EMPTY,
3808   EL_QUICKSAND_FAST_FULL,
3809   EL_LANDMINE,
3810   EL_DC_LANDMINE,
3811
3812   EL_SHIELD_NORMAL,
3813   EL_SHIELD_DEADLY,
3814   EL_EXTRA_TIME,
3815   EL_DC_MAGIC_WALL,
3816
3817   EL_ENVELOPE_1,
3818   EL_ENVELOPE_2,
3819   EL_ENVELOPE_3,
3820   EL_ENVELOPE_4,
3821
3822   EL_SIGN_RADIOACTIVITY,
3823   EL_SIGN_WHEELCHAIR,
3824   EL_SIGN_PARKING,
3825   EL_SIGN_NO_ENTRY,
3826
3827   EL_SIGN_GIVE_WAY,
3828   EL_SIGN_ENTRY_FORBIDDEN,
3829   EL_SIGN_EMERGENCY_EXIT,
3830   EL_SIGN_YIN_YANG,
3831
3832 #if 0
3833   EL_SIGN_SPERMS,
3834   EL_SIGN_BULLET,
3835   EL_SIGN_HEART,
3836   EL_SIGN_CROSS,
3837
3838   EL_SIGN_FRANKIE,
3839   EL_EMPTY,
3840   EL_EMPTY,
3841   EL_EMPTY,
3842
3843   EL_SPERMS,
3844   EL_BULLET,
3845   EL_HEART,
3846   EL_CROSS,
3847
3848   EL_FRANKIE,
3849   EL_EMPTY,
3850   EL_EMPTY,
3851   EL_EMPTY,
3852 #endif
3853
3854   EL_DC_STEELWALL_2_SINGLE,
3855   EL_DC_STEELWALL_2_TOP,
3856   EL_SIGN_EXCLAMATION,
3857   EL_SIGN_STOP,
3858
3859   EL_DC_STEELWALL_2_LEFT,
3860   EL_DC_STEELWALL_2_MIDDLE,
3861   EL_DC_STEELWALL_2_HORIZONTAL,
3862   EL_DC_STEELWALL_2_RIGHT,
3863
3864   EL_DC_STEELWALL_1_TOPLEFT,
3865   EL_DC_STEELWALL_2_VERTICAL,
3866   EL_DC_STEELWALL_1_TOPRIGHT,
3867   EL_DC_GATE_WHITE,
3868
3869   EL_DC_STEELWALL_1_VERTICAL,
3870   EL_DC_STEELWALL_2_BOTTOM,
3871   EL_DC_KEY_WHITE,
3872   EL_DC_GATE_WHITE_GRAY,
3873
3874   EL_DC_STEELWALL_1_BOTTOMLEFT,
3875   EL_DC_STEELWALL_1_HORIZONTAL,
3876   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3877   EL_DC_GATE_FAKE_GRAY,
3878
3879   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3880   EL_DC_STEELWALL_1_BOTTOM,
3881   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3882   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3883
3884   EL_DC_STEELWALL_1_RIGHT,
3885   EL_EMPTY,
3886   EL_DC_STEELWALL_1_LEFT,
3887   EL_EXPANDABLE_STEELWALL_VERTICAL,
3888
3889   EL_DC_STEELWALL_1_TOPRIGHT_2,
3890   EL_DC_STEELWALL_1_TOP,
3891   EL_DC_STEELWALL_1_TOPLEFT_2,
3892   EL_EXPANDABLE_STEELWALL_ANY,
3893 };
3894 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3895 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3896 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3897 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3898
3899 static int editor_hl_dx_boulderdash[] =
3900 {
3901   EL_INTERNAL_CASCADE_DX_ACTIVE,
3902   EL_CHAR('D'),
3903   EL_CHAR('X'),
3904   EL_EMPTY,
3905 };
3906
3907 static int editor_el_dx_boulderdash[] =
3908 {
3909   EL_EMPTY,
3910   EL_TUBE_RIGHT_DOWN,
3911   EL_TUBE_HORIZONTAL_DOWN,
3912   EL_TUBE_LEFT_DOWN,
3913
3914   EL_TUBE_HORIZONTAL,
3915   EL_TUBE_VERTICAL_RIGHT,
3916   EL_TUBE_ANY,
3917   EL_TUBE_VERTICAL_LEFT,
3918
3919   EL_TUBE_VERTICAL,
3920   EL_TUBE_RIGHT_UP,
3921   EL_TUBE_HORIZONTAL_UP,
3922   EL_TUBE_LEFT_UP,
3923
3924   EL_TRAP,
3925   EL_DX_SUPABOMB,
3926   EL_EMPTY,
3927   EL_EMPTY
3928 };
3929 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3930 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3931 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3932 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3933
3934 static int editor_hl_chars[] =
3935 {
3936   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3937   EL_CHAR('T'),
3938   EL_CHAR('X'),
3939   EL_CHAR('T'),
3940 };
3941
3942 static int editor_el_chars[] =
3943 {
3944   EL_CHAR(' '),
3945   EL_CHAR('!'),
3946   EL_CHAR('"'),
3947   EL_CHAR('#'),
3948
3949   EL_CHAR('$'),
3950   EL_CHAR('%'),
3951   EL_CHAR('&'),
3952   EL_CHAR('\''),
3953
3954   EL_CHAR('('),
3955   EL_CHAR(')'),
3956   EL_CHAR('*'),
3957   EL_CHAR('+'),
3958
3959   EL_CHAR(','),
3960   EL_CHAR('-'),
3961   EL_CHAR('.'),
3962   EL_CHAR('/'),
3963
3964   EL_CHAR('0'),
3965   EL_CHAR('1'),
3966   EL_CHAR('2'),
3967   EL_CHAR('3'),
3968
3969   EL_CHAR('4'),
3970   EL_CHAR('5'),
3971   EL_CHAR('6'),
3972   EL_CHAR('7'),
3973
3974   EL_CHAR('8'),
3975   EL_CHAR('9'),
3976   EL_CHAR(':'),
3977   EL_CHAR(';'),
3978
3979   EL_CHAR('<'),
3980   EL_CHAR('='),
3981   EL_CHAR('>'),
3982   EL_CHAR('?'),
3983
3984   EL_CHAR('@'),
3985   EL_CHAR('A'),
3986   EL_CHAR('B'),
3987   EL_CHAR('C'),
3988
3989   EL_CHAR('D'),
3990   EL_CHAR('E'),
3991   EL_CHAR('F'),
3992   EL_CHAR('G'),
3993
3994   EL_CHAR('H'),
3995   EL_CHAR('I'),
3996   EL_CHAR('J'),
3997   EL_CHAR('K'),
3998
3999   EL_CHAR('L'),
4000   EL_CHAR('M'),
4001   EL_CHAR('N'),
4002   EL_CHAR('O'),
4003
4004   EL_CHAR('P'),
4005   EL_CHAR('Q'),
4006   EL_CHAR('R'),
4007   EL_CHAR('S'),
4008
4009   EL_CHAR('T'),
4010   EL_CHAR('U'),
4011   EL_CHAR('V'),
4012   EL_CHAR('W'),
4013
4014   EL_CHAR('X'),
4015   EL_CHAR('Y'),
4016   EL_CHAR('Z'),
4017   EL_CHAR('['),
4018
4019   EL_CHAR('\\'),
4020   EL_CHAR(']'),
4021   EL_CHAR('^'),
4022   EL_CHAR('_'),
4023
4024   EL_CHAR('©'),
4025   EL_CHAR('Ä'),
4026   EL_CHAR('Ö'),
4027   EL_CHAR('Ü'),
4028
4029   EL_CHAR('°'),
4030   EL_CHAR('®'),
4031   EL_CHAR(FONT_ASCII_CURSOR),
4032   EL_CHAR(FONT_ASCII_BUTTON),
4033
4034   EL_CHAR(FONT_ASCII_UP),
4035   EL_CHAR(FONT_ASCII_DOWN),
4036   EL_CHAR(' '),
4037   EL_CHAR(' ')
4038 };
4039 static int *editor_hl_chars_ptr = editor_hl_chars;
4040 static int *editor_el_chars_ptr = editor_el_chars;
4041 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4042 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4043
4044 static int editor_hl_steel_chars[] =
4045 {
4046   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4047   EL_STEEL_CHAR('T'),
4048   EL_STEEL_CHAR('X'),
4049   EL_STEEL_CHAR('T'),
4050 };
4051
4052 static int editor_el_steel_chars[] =
4053 {
4054   EL_STEEL_CHAR(' '),
4055   EL_STEEL_CHAR('!'),
4056   EL_STEEL_CHAR('"'),
4057   EL_STEEL_CHAR('#'),
4058
4059   EL_STEEL_CHAR('$'),
4060   EL_STEEL_CHAR('%'),
4061   EL_STEEL_CHAR('&'),
4062   EL_STEEL_CHAR('\''),
4063
4064   EL_STEEL_CHAR('('),
4065   EL_STEEL_CHAR(')'),
4066   EL_STEEL_CHAR('*'),
4067   EL_STEEL_CHAR('+'),
4068
4069   EL_STEEL_CHAR(','),
4070   EL_STEEL_CHAR('-'),
4071   EL_STEEL_CHAR('.'),
4072   EL_STEEL_CHAR('/'),
4073
4074   EL_STEEL_CHAR('0'),
4075   EL_STEEL_CHAR('1'),
4076   EL_STEEL_CHAR('2'),
4077   EL_STEEL_CHAR('3'),
4078
4079   EL_STEEL_CHAR('4'),
4080   EL_STEEL_CHAR('5'),
4081   EL_STEEL_CHAR('6'),
4082   EL_STEEL_CHAR('7'),
4083
4084   EL_STEEL_CHAR('8'),
4085   EL_STEEL_CHAR('9'),
4086   EL_STEEL_CHAR(':'),
4087   EL_STEEL_CHAR(';'),
4088
4089   EL_STEEL_CHAR('<'),
4090   EL_STEEL_CHAR('='),
4091   EL_STEEL_CHAR('>'),
4092   EL_STEEL_CHAR('?'),
4093
4094   EL_STEEL_CHAR('@'),
4095   EL_STEEL_CHAR('A'),
4096   EL_STEEL_CHAR('B'),
4097   EL_STEEL_CHAR('C'),
4098
4099   EL_STEEL_CHAR('D'),
4100   EL_STEEL_CHAR('E'),
4101   EL_STEEL_CHAR('F'),
4102   EL_STEEL_CHAR('G'),
4103
4104   EL_STEEL_CHAR('H'),
4105   EL_STEEL_CHAR('I'),
4106   EL_STEEL_CHAR('J'),
4107   EL_STEEL_CHAR('K'),
4108
4109   EL_STEEL_CHAR('L'),
4110   EL_STEEL_CHAR('M'),
4111   EL_STEEL_CHAR('N'),
4112   EL_STEEL_CHAR('O'),
4113
4114   EL_STEEL_CHAR('P'),
4115   EL_STEEL_CHAR('Q'),
4116   EL_STEEL_CHAR('R'),
4117   EL_STEEL_CHAR('S'),
4118
4119   EL_STEEL_CHAR('T'),
4120   EL_STEEL_CHAR('U'),
4121   EL_STEEL_CHAR('V'),
4122   EL_STEEL_CHAR('W'),
4123
4124   EL_STEEL_CHAR('X'),
4125   EL_STEEL_CHAR('Y'),
4126   EL_STEEL_CHAR('Z'),
4127   EL_STEEL_CHAR('['),
4128
4129   EL_STEEL_CHAR('\\'),
4130   EL_STEEL_CHAR(']'),
4131   EL_STEEL_CHAR('^'),
4132   EL_STEEL_CHAR('_'),
4133
4134   EL_STEEL_CHAR('©'),
4135   EL_STEEL_CHAR('Ä'),
4136   EL_STEEL_CHAR('Ö'),
4137   EL_STEEL_CHAR('Ü'),
4138
4139   EL_STEEL_CHAR('°'),
4140   EL_STEEL_CHAR('®'),
4141   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4142   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4143
4144   EL_STEEL_CHAR(FONT_ASCII_UP),
4145   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4146   EL_STEEL_CHAR(' '),
4147   EL_STEEL_CHAR(' ')
4148 };
4149 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4150 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4151 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4152 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4153
4154 static int editor_hl_custom[] =
4155 {
4156   EL_INTERNAL_CASCADE_CE_ACTIVE,
4157   EL_CHAR('C'),
4158   EL_CHAR('E'),
4159   EL_EMPTY,
4160 };
4161
4162 static int editor_el_custom[] =
4163 {
4164   EL_CUSTOM_START + 0,
4165   EL_CUSTOM_START + 1,
4166   EL_CUSTOM_START + 2,
4167   EL_CUSTOM_START + 3,
4168
4169   EL_CUSTOM_START + 4,
4170   EL_CUSTOM_START + 5,
4171   EL_CUSTOM_START + 6,
4172   EL_CUSTOM_START + 7,
4173
4174   EL_CUSTOM_START + 8,
4175   EL_CUSTOM_START + 9,
4176   EL_CUSTOM_START + 10,
4177   EL_CUSTOM_START + 11,
4178
4179   EL_CUSTOM_START + 12,
4180   EL_CUSTOM_START + 13,
4181   EL_CUSTOM_START + 14,
4182   EL_CUSTOM_START + 15,
4183
4184   EL_CUSTOM_START + 16,
4185   EL_CUSTOM_START + 17,
4186   EL_CUSTOM_START + 18,
4187   EL_CUSTOM_START + 19,
4188
4189   EL_CUSTOM_START + 20,
4190   EL_CUSTOM_START + 21,
4191   EL_CUSTOM_START + 22,
4192   EL_CUSTOM_START + 23,
4193
4194   EL_CUSTOM_START + 24,
4195   EL_CUSTOM_START + 25,
4196   EL_CUSTOM_START + 26,
4197   EL_CUSTOM_START + 27,
4198
4199   EL_CUSTOM_START + 28,
4200   EL_CUSTOM_START + 29,
4201   EL_CUSTOM_START + 30,
4202   EL_CUSTOM_START + 31,
4203
4204   EL_CUSTOM_START + 32,
4205   EL_CUSTOM_START + 33,
4206   EL_CUSTOM_START + 34,
4207   EL_CUSTOM_START + 35,
4208
4209   EL_CUSTOM_START + 36,
4210   EL_CUSTOM_START + 37,
4211   EL_CUSTOM_START + 38,
4212   EL_CUSTOM_START + 39,
4213
4214   EL_CUSTOM_START + 40,
4215   EL_CUSTOM_START + 41,
4216   EL_CUSTOM_START + 42,
4217   EL_CUSTOM_START + 43,
4218
4219   EL_CUSTOM_START + 44,
4220   EL_CUSTOM_START + 45,
4221   EL_CUSTOM_START + 46,
4222   EL_CUSTOM_START + 47,
4223
4224   EL_CUSTOM_START + 48,
4225   EL_CUSTOM_START + 49,
4226   EL_CUSTOM_START + 50,
4227   EL_CUSTOM_START + 51,
4228
4229   EL_CUSTOM_START + 52,
4230   EL_CUSTOM_START + 53,
4231   EL_CUSTOM_START + 54,
4232   EL_CUSTOM_START + 55,
4233
4234   EL_CUSTOM_START + 56,
4235   EL_CUSTOM_START + 57,
4236   EL_CUSTOM_START + 58,
4237   EL_CUSTOM_START + 59,
4238
4239   EL_CUSTOM_START + 60,
4240   EL_CUSTOM_START + 61,
4241   EL_CUSTOM_START + 62,
4242   EL_CUSTOM_START + 63,
4243
4244   EL_CUSTOM_START + 64,
4245   EL_CUSTOM_START + 65,
4246   EL_CUSTOM_START + 66,
4247   EL_CUSTOM_START + 67,
4248
4249   EL_CUSTOM_START + 68,
4250   EL_CUSTOM_START + 69,
4251   EL_CUSTOM_START + 70,
4252   EL_CUSTOM_START + 71,
4253
4254   EL_CUSTOM_START + 72,
4255   EL_CUSTOM_START + 73,
4256   EL_CUSTOM_START + 74,
4257   EL_CUSTOM_START + 75,
4258
4259   EL_CUSTOM_START + 76,
4260   EL_CUSTOM_START + 77,
4261   EL_CUSTOM_START + 78,
4262   EL_CUSTOM_START + 79,
4263
4264   EL_CUSTOM_START + 80,
4265   EL_CUSTOM_START + 81,
4266   EL_CUSTOM_START + 82,
4267   EL_CUSTOM_START + 83,
4268
4269   EL_CUSTOM_START + 84,
4270   EL_CUSTOM_START + 85,
4271   EL_CUSTOM_START + 86,
4272   EL_CUSTOM_START + 87,
4273
4274   EL_CUSTOM_START + 88,
4275   EL_CUSTOM_START + 89,
4276   EL_CUSTOM_START + 90,
4277   EL_CUSTOM_START + 91,
4278
4279   EL_CUSTOM_START + 92,
4280   EL_CUSTOM_START + 93,
4281   EL_CUSTOM_START + 94,
4282   EL_CUSTOM_START + 95,
4283
4284   EL_CUSTOM_START + 96,
4285   EL_CUSTOM_START + 97,
4286   EL_CUSTOM_START + 98,
4287   EL_CUSTOM_START + 99,
4288
4289   EL_CUSTOM_START + 100,
4290   EL_CUSTOM_START + 101,
4291   EL_CUSTOM_START + 102,
4292   EL_CUSTOM_START + 103,
4293
4294   EL_CUSTOM_START + 104,
4295   EL_CUSTOM_START + 105,
4296   EL_CUSTOM_START + 106,
4297   EL_CUSTOM_START + 107,
4298
4299   EL_CUSTOM_START + 108,
4300   EL_CUSTOM_START + 109,
4301   EL_CUSTOM_START + 110,
4302   EL_CUSTOM_START + 111,
4303
4304   EL_CUSTOM_START + 112,
4305   EL_CUSTOM_START + 113,
4306   EL_CUSTOM_START + 114,
4307   EL_CUSTOM_START + 115,
4308
4309   EL_CUSTOM_START + 116,
4310   EL_CUSTOM_START + 117,
4311   EL_CUSTOM_START + 118,
4312   EL_CUSTOM_START + 119,
4313
4314   EL_CUSTOM_START + 120,
4315   EL_CUSTOM_START + 121,
4316   EL_CUSTOM_START + 122,
4317   EL_CUSTOM_START + 123,
4318
4319   EL_CUSTOM_START + 124,
4320   EL_CUSTOM_START + 125,
4321   EL_CUSTOM_START + 126,
4322   EL_CUSTOM_START + 127,
4323
4324   EL_CUSTOM_START + 128,
4325   EL_CUSTOM_START + 129,
4326   EL_CUSTOM_START + 130,
4327   EL_CUSTOM_START + 131,
4328
4329   EL_CUSTOM_START + 132,
4330   EL_CUSTOM_START + 133,
4331   EL_CUSTOM_START + 134,
4332   EL_CUSTOM_START + 135,
4333
4334   EL_CUSTOM_START + 136,
4335   EL_CUSTOM_START + 137,
4336   EL_CUSTOM_START + 138,
4337   EL_CUSTOM_START + 139,
4338
4339   EL_CUSTOM_START + 140,
4340   EL_CUSTOM_START + 141,
4341   EL_CUSTOM_START + 142,
4342   EL_CUSTOM_START + 143,
4343
4344   EL_CUSTOM_START + 144,
4345   EL_CUSTOM_START + 145,
4346   EL_CUSTOM_START + 146,
4347   EL_CUSTOM_START + 147,
4348
4349   EL_CUSTOM_START + 148,
4350   EL_CUSTOM_START + 149,
4351   EL_CUSTOM_START + 150,
4352   EL_CUSTOM_START + 151,
4353
4354   EL_CUSTOM_START + 152,
4355   EL_CUSTOM_START + 153,
4356   EL_CUSTOM_START + 154,
4357   EL_CUSTOM_START + 155,
4358
4359   EL_CUSTOM_START + 156,
4360   EL_CUSTOM_START + 157,
4361   EL_CUSTOM_START + 158,
4362   EL_CUSTOM_START + 159,
4363
4364   EL_CUSTOM_START + 160,
4365   EL_CUSTOM_START + 161,
4366   EL_CUSTOM_START + 162,
4367   EL_CUSTOM_START + 163,
4368
4369   EL_CUSTOM_START + 164,
4370   EL_CUSTOM_START + 165,
4371   EL_CUSTOM_START + 166,
4372   EL_CUSTOM_START + 167,
4373
4374   EL_CUSTOM_START + 168,
4375   EL_CUSTOM_START + 169,
4376   EL_CUSTOM_START + 170,
4377   EL_CUSTOM_START + 171,
4378
4379   EL_CUSTOM_START + 172,
4380   EL_CUSTOM_START + 173,
4381   EL_CUSTOM_START + 174,
4382   EL_CUSTOM_START + 175,
4383
4384   EL_CUSTOM_START + 176,
4385   EL_CUSTOM_START + 177,
4386   EL_CUSTOM_START + 178,
4387   EL_CUSTOM_START + 179,
4388
4389   EL_CUSTOM_START + 180,
4390   EL_CUSTOM_START + 181,
4391   EL_CUSTOM_START + 182,
4392   EL_CUSTOM_START + 183,
4393
4394   EL_CUSTOM_START + 184,
4395   EL_CUSTOM_START + 185,
4396   EL_CUSTOM_START + 186,
4397   EL_CUSTOM_START + 187,
4398
4399   EL_CUSTOM_START + 188,
4400   EL_CUSTOM_START + 189,
4401   EL_CUSTOM_START + 190,
4402   EL_CUSTOM_START + 191,
4403
4404   EL_CUSTOM_START + 192,
4405   EL_CUSTOM_START + 193,
4406   EL_CUSTOM_START + 194,
4407   EL_CUSTOM_START + 195,
4408
4409   EL_CUSTOM_START + 196,
4410   EL_CUSTOM_START + 197,
4411   EL_CUSTOM_START + 198,
4412   EL_CUSTOM_START + 199,
4413
4414   EL_CUSTOM_START + 200,
4415   EL_CUSTOM_START + 201,
4416   EL_CUSTOM_START + 202,
4417   EL_CUSTOM_START + 203,
4418
4419   EL_CUSTOM_START + 204,
4420   EL_CUSTOM_START + 205,
4421   EL_CUSTOM_START + 206,
4422   EL_CUSTOM_START + 207,
4423
4424   EL_CUSTOM_START + 208,
4425   EL_CUSTOM_START + 209,
4426   EL_CUSTOM_START + 210,
4427   EL_CUSTOM_START + 211,
4428
4429   EL_CUSTOM_START + 212,
4430   EL_CUSTOM_START + 213,
4431   EL_CUSTOM_START + 214,
4432   EL_CUSTOM_START + 215,
4433
4434   EL_CUSTOM_START + 216,
4435   EL_CUSTOM_START + 217,
4436   EL_CUSTOM_START + 218,
4437   EL_CUSTOM_START + 219,
4438
4439   EL_CUSTOM_START + 220,
4440   EL_CUSTOM_START + 221,
4441   EL_CUSTOM_START + 222,
4442   EL_CUSTOM_START + 223,
4443
4444   EL_CUSTOM_START + 224,
4445   EL_CUSTOM_START + 225,
4446   EL_CUSTOM_START + 226,
4447   EL_CUSTOM_START + 227,
4448
4449   EL_CUSTOM_START + 228,
4450   EL_CUSTOM_START + 229,
4451   EL_CUSTOM_START + 230,
4452   EL_CUSTOM_START + 231,
4453
4454   EL_CUSTOM_START + 232,
4455   EL_CUSTOM_START + 233,
4456   EL_CUSTOM_START + 234,
4457   EL_CUSTOM_START + 235,
4458
4459   EL_CUSTOM_START + 236,
4460   EL_CUSTOM_START + 237,
4461   EL_CUSTOM_START + 238,
4462   EL_CUSTOM_START + 239,
4463
4464   EL_CUSTOM_START + 240,
4465   EL_CUSTOM_START + 241,
4466   EL_CUSTOM_START + 242,
4467   EL_CUSTOM_START + 243,
4468
4469   EL_CUSTOM_START + 244,
4470   EL_CUSTOM_START + 245,
4471   EL_CUSTOM_START + 246,
4472   EL_CUSTOM_START + 247,
4473
4474   EL_CUSTOM_START + 248,
4475   EL_CUSTOM_START + 249,
4476   EL_CUSTOM_START + 250,
4477   EL_CUSTOM_START + 251,
4478
4479   EL_CUSTOM_START + 252,
4480   EL_CUSTOM_START + 253,
4481   EL_CUSTOM_START + 254,
4482   EL_CUSTOM_START + 255
4483 };
4484 static int *editor_hl_custom_ptr = editor_hl_custom;
4485 static int *editor_el_custom_ptr = editor_el_custom;
4486 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4487 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4488
4489 static int editor_hl_group[] =
4490 {
4491   EL_INTERNAL_CASCADE_GE_ACTIVE,
4492   EL_CHAR('G'),
4493   EL_CHAR('E'),
4494   EL_EMPTY,
4495 };
4496
4497 static int editor_el_group[] =
4498 {
4499   EL_GROUP_START + 0,
4500   EL_GROUP_START + 1,
4501   EL_GROUP_START + 2,
4502   EL_GROUP_START + 3,
4503
4504   EL_GROUP_START + 4,
4505   EL_GROUP_START + 5,
4506   EL_GROUP_START + 6,
4507   EL_GROUP_START + 7,
4508
4509   EL_GROUP_START + 8,
4510   EL_GROUP_START + 9,
4511   EL_GROUP_START + 10,
4512   EL_GROUP_START + 11,
4513
4514   EL_GROUP_START + 12,
4515   EL_GROUP_START + 13,
4516   EL_GROUP_START + 14,
4517   EL_GROUP_START + 15,
4518
4519   EL_GROUP_START + 16,
4520   EL_GROUP_START + 17,
4521   EL_GROUP_START + 18,
4522   EL_GROUP_START + 19,
4523
4524   EL_GROUP_START + 20,
4525   EL_GROUP_START + 21,
4526   EL_GROUP_START + 22,
4527   EL_GROUP_START + 23,
4528
4529   EL_GROUP_START + 24,
4530   EL_GROUP_START + 25,
4531   EL_GROUP_START + 26,
4532   EL_GROUP_START + 27,
4533
4534   EL_GROUP_START + 28,
4535   EL_GROUP_START + 29,
4536   EL_GROUP_START + 30,
4537   EL_GROUP_START + 31
4538 };
4539 static int *editor_hl_group_ptr = editor_hl_group;
4540 static int *editor_el_group_ptr = editor_el_group;
4541 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4542 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4543
4544 static int editor_hl_reference[] =
4545 {
4546   EL_INTERNAL_CASCADE_REF_ACTIVE,
4547   EL_CHAR('R'),
4548   EL_CHAR('E'),
4549   EL_CHAR('F')
4550 };
4551
4552 static int editor_el_reference[] =
4553 {
4554   EL_TRIGGER_PLAYER,
4555   EL_TRIGGER_ELEMENT,
4556   EL_TRIGGER_CE_VALUE,
4557   EL_TRIGGER_CE_SCORE,
4558
4559   EL_SELF,
4560   EL_ANY_ELEMENT,
4561   EL_CURRENT_CE_VALUE,
4562   EL_CURRENT_CE_SCORE,
4563
4564   EL_PREV_CE_8,
4565   EL_PREV_CE_7,
4566   EL_PREV_CE_6,
4567   EL_PREV_CE_5,
4568
4569   EL_PREV_CE_4,
4570   EL_PREV_CE_3,
4571   EL_PREV_CE_2,
4572   EL_PREV_CE_1,
4573
4574   EL_NEXT_CE_1,
4575   EL_NEXT_CE_2,
4576   EL_NEXT_CE_3,
4577   EL_NEXT_CE_4,
4578
4579   EL_NEXT_CE_5,
4580   EL_NEXT_CE_6,
4581   EL_NEXT_CE_7,
4582   EL_NEXT_CE_8,
4583 };
4584 static int *editor_hl_reference_ptr = editor_hl_reference;
4585 static int *editor_el_reference_ptr = editor_el_reference;
4586 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4587 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4588
4589 static int editor_hl_user_defined[] =
4590 {
4591   EL_INTERNAL_CASCADE_USER_ACTIVE,
4592   EL_CHAR('M'),
4593   EL_CHAR('Y'),
4594   EL_EMPTY,
4595 };
4596
4597 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4598 static int *editor_el_user_defined_ptr = NULL;
4599 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4600 static int num_editor_el_user_defined = 0;
4601
4602 static int editor_hl_dynamic[] =
4603 {
4604   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4605   EL_CHAR('U'),
4606   EL_CHAR('S'),
4607   EL_CHAR('E'),
4608 };
4609
4610 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4611 static int *editor_el_dynamic_ptr = NULL;
4612 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4613 static int num_editor_el_dynamic = 0;
4614
4615 static int editor_hl_empty[] = { };
4616 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
4617
4618 static int *editor_hl_empty_ptr = editor_hl_empty;
4619 static int *editor_el_empty_ptr = editor_el_empty;
4620 static int num_editor_hl_empty = 0;
4621 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4622
4623 static boolean use_el_empty = FALSE;
4624
4625 static int *editor_elements = NULL;     /* dynamically allocated */
4626 static int num_editor_elements = 0;     /* dynamically determined */
4627
4628 static boolean setup_editor_show_always = TRUE;
4629 static boolean setup_editor_cascade_never = FALSE;
4630
4631 static int editor_hl_unused[] = { EL_EMPTY };
4632 static int *editor_hl_unused_ptr = editor_hl_unused;
4633 static int num_editor_hl_unused = 0;
4634
4635 static struct
4636 {
4637   boolean *setup_value;
4638   boolean *setup_cascade_value;
4639
4640   int **headline_list;
4641   int *headline_list_size;
4642
4643   int **element_list;
4644   int *element_list_size;
4645
4646   boolean last_setup_value;
4647 }
4648 editor_elements_info[] =
4649 {
4650   {
4651     &setup_editor_show_always,
4652     &setup_editor_cascade_never,
4653     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4654     &editor_el_players_ptr,             &num_editor_el_players
4655   },
4656   {
4657     &setup.editor.el_boulderdash,
4658     &setup.editor_cascade.el_bd,
4659     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4660     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4661   },
4662   {
4663     &setup.editor.el_emerald_mine,
4664     &setup.editor_cascade.el_em,
4665     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4666     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4667   },
4668   {
4669     &setup.editor.el_emerald_mine_club,
4670     &setup.editor_cascade.el_emc,
4671     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4672     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4673   },
4674   {
4675     &setup.editor.el_more,
4676     &setup.editor_cascade.el_rnd,
4677     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4678     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4679   },
4680   {
4681     &setup.editor.el_sokoban,
4682     &setup.editor_cascade.el_sb,
4683     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4684     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4685   },
4686   {
4687     &setup.editor.el_supaplex,
4688     &setup.editor_cascade.el_sp,
4689     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4690     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4691   },
4692   {
4693     &setup.editor.el_diamond_caves,
4694     &setup.editor_cascade.el_dc,
4695     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4696     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4697   },
4698   {
4699     &setup.editor.el_dx_boulderdash,
4700     &setup.editor_cascade.el_dx,
4701     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4702     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4703   },
4704   {
4705     &setup.editor.el_chars,
4706     &setup.editor_cascade.el_chars,
4707     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4708     &editor_el_chars_ptr,               &num_editor_el_chars
4709   },
4710   {
4711     &setup.editor.el_steel_chars,
4712     &setup.editor_cascade.el_steel_chars,
4713     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4714     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4715   },
4716   {
4717     &setup.editor.el_custom,
4718     &setup.editor_cascade.el_ce,
4719     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4720     &editor_el_custom_ptr,              &num_editor_el_custom
4721   },
4722   {
4723     &setup.editor.el_custom,
4724     &setup.editor_cascade.el_ge,
4725     &editor_hl_group_ptr,               &num_editor_hl_group,
4726     &editor_el_group_ptr,               &num_editor_el_group
4727   },
4728   {
4729     &setup.editor.el_custom,
4730     &setup.editor_cascade.el_ref,
4731     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4732     &editor_el_reference_ptr,           &num_editor_el_reference
4733   },
4734   {
4735     &setup.editor.el_user_defined,
4736     &setup.editor_cascade.el_user,
4737     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4738     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4739   },
4740   {
4741     &setup.editor.el_dynamic,
4742     &setup.editor_cascade.el_dynamic,
4743     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4744     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4745   },
4746   {
4747     &use_el_empty,
4748     &use_el_empty,
4749     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4750     &editor_el_empty_ptr,               &num_editor_el_empty,
4751   },
4752   {
4753     NULL,
4754     NULL,
4755     NULL,                               NULL,
4756     NULL,                               NULL
4757   }
4758 };
4759
4760
4761 /*
4762   -----------------------------------------------------------------------------
4763   functions
4764   -----------------------------------------------------------------------------
4765 */
4766
4767 static int getMaxInfoTextLength()
4768 {
4769   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4770 }
4771
4772 static int getTextWidthForGadget(char *text)
4773 {
4774   if (text == NULL)
4775     return 0;
4776
4777   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4778 }
4779
4780 static int getTextWidthForDrawingArea(char *text)
4781 {
4782   if (text == NULL)
4783     return 0;
4784
4785   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4786 }
4787
4788 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4789 {
4790   return (gi->x + gi->width + getTextWidthForGadget(text));
4791 }
4792
4793 static char *getElementInfoText(int element)
4794 {
4795   char *info_text = NULL;
4796
4797   if (element < MAX_NUM_ELEMENTS)
4798   {
4799     if (strlen(element_info[element].description) > 0)
4800       info_text = element_info[element].description;
4801     else if (element_info[element].custom_description != NULL)
4802       info_text = element_info[element].custom_description;
4803     else if (element_info[element].editor_description != NULL)
4804       info_text = element_info[element].editor_description;
4805   }
4806
4807   if (info_text == NULL)
4808     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4809
4810   return info_text;
4811 }
4812
4813 char *getElementDescriptionFilename(int element)
4814 {
4815   char *docs_dir = options.docs_directory;
4816   char *elements_subdir = "elements";
4817   static char *filename = NULL;
4818   char basename[MAX_FILENAME_LEN];
4819
4820   checked_free(filename);
4821
4822   /* 1st try: look for element description file for exactly this element */
4823   sprintf(basename, "%s.txt", element_info[element].token_name);
4824   filename = getPath3(docs_dir, elements_subdir, basename);
4825   if (fileExists(filename))
4826     return filename;
4827
4828   free(filename);
4829
4830   /* 2nd try: look for element description file for this element's class */
4831   sprintf(basename, "%s.txt", element_info[element].class_name);
4832   filename = getPath3(docs_dir, elements_subdir, basename);
4833   if (fileExists(filename))
4834     return filename;
4835
4836   return NULL;
4837 }
4838
4839 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4840 {
4841   boolean element_found[NUM_FILE_ELEMENTS];
4842   int i, x, y;
4843
4844   /* initialize list of used elements to "not used" */
4845   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4846     element_found[i] = FALSE;
4847
4848   /* find all elements used in current level */
4849   for (y = 0; y < lev_fieldy; y++)
4850     for (x = 0; x < lev_fieldx; x++)
4851       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4852         element_found[Feld[x][y]] = TRUE;
4853
4854   *num_elements = 0;
4855
4856   /* count number of elements used in current level */
4857   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4858     if (element_found[i])
4859       (*num_elements)++;
4860
4861   /* add space for up to 3 more elements for padding that may be needed */
4862   *num_elements += 3;
4863
4864   /* free memory for old list of elements, if needed */
4865   checked_free(*elements);
4866
4867   /* allocate memory for new list of elements */
4868   *elements = checked_malloc(*num_elements * sizeof(int));
4869
4870   *num_elements = 0;
4871
4872   /* add all elements used in current level (non-custom/group elements) */
4873   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4874     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4875       (*elements)[(*num_elements)++] = i;
4876
4877   /* add all elements used in current level (custom/group elements) */
4878   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4879     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4880       (*elements)[(*num_elements)++] = i;
4881
4882   while (*num_elements % 4)     /* pad with empty elements, if needed */
4883     (*elements)[(*num_elements)++] = EL_EMPTY;
4884 }
4885
4886 static void ReinitializeElementList()
4887 {
4888   static boolean initialization_needed = TRUE;
4889   int pos = 0;
4890   int i, j;
4891
4892   if (initialization_needed)
4893   {
4894     LoadSetup_EditorCascade();          /* load last editor cascade state */
4895
4896     /* initialize editor cascade element from saved cascade state */
4897     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4898     {
4899       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4900       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4901
4902       if (IS_EDITOR_CASCADE(*cascade_element))
4903         *cascade_element =
4904           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4905            EL_CASCADE_INACTIVE(*cascade_element));
4906     }
4907
4908     initialization_needed = FALSE;
4909   }
4910
4911   checked_free(editor_elements);
4912
4913   /* reload optional user defined element list for each invocation of editor */
4914   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4915                                    &num_editor_el_user_defined);
4916
4917   /* initialize dynamic level element list for each invocation of editor */
4918   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4919                                &num_editor_el_dynamic);
4920
4921   /* initialize list of empty elements (used for padding, if needed) */
4922   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4923     editor_el_empty[i] = EL_EMPTY;
4924
4925   /* do some sanity checks for each element from element list */
4926   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4927   {
4928     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4929     {
4930       int element = (*editor_elements_info[i].element_list)[j];
4931
4932       if (element >= NUM_FILE_ELEMENTS)
4933         Error(ERR_WARN, "editor element %d is runtime element", element);
4934
4935       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4936         Error(ERR_WARN, "no element description for element %d", element);
4937     }
4938   }
4939
4940   num_editor_elements = 0;
4941   use_el_empty = FALSE;
4942
4943   /* determine size of element list */
4944   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4945   {
4946     boolean found_inactive_cascade = FALSE;
4947
4948     if (*editor_elements_info[i].setup_value)
4949     {
4950       if (setup.editor.el_headlines)
4951       {
4952         num_editor_elements += *editor_elements_info[i].headline_list_size;
4953
4954         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4955         {
4956           int element = (*editor_elements_info[i].headline_list)[j];
4957
4958           if (IS_EDITOR_CASCADE_INACTIVE(element))
4959             found_inactive_cascade = TRUE;
4960         }
4961       }
4962
4963       if (found_inactive_cascade)
4964         continue;
4965
4966       num_editor_elements += *editor_elements_info[i].element_list_size;
4967     }
4968   }
4969
4970   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
4971   {
4972     /* offer at least as many elements as element buttons exist */
4973     use_el_empty = TRUE;
4974     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
4975
4976     num_editor_elements += num_editor_el_empty;
4977   }
4978
4979   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
4980
4981   /* fill element list */
4982   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4983   {
4984     boolean found_inactive_cascade = FALSE;
4985
4986     if (*editor_elements_info[i].setup_value)
4987     {
4988       if (setup.editor.el_headlines)
4989       {
4990         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4991         {
4992           int element = (*editor_elements_info[i].headline_list)[j];
4993
4994           editor_elements[pos++] = element;
4995
4996           if (IS_EDITOR_CASCADE_INACTIVE(element))
4997             found_inactive_cascade = TRUE;
4998         }
4999       }
5000
5001       if (found_inactive_cascade)
5002         continue;
5003
5004       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5005         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5006     }
5007   }
5008
5009   /* (this function is also called before editor gadgets are initialized!) */
5010   AdjustElementListScrollbar();
5011 }
5012
5013 void PrintEditorElementList()
5014 {
5015   boolean *stop = &setup.editor.el_user_defined;
5016   int i, j;
5017
5018   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5019   {
5020     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5021
5022     if (IS_EDITOR_CASCADE(cascade_element))
5023     {
5024       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5025       char *headline = element_info[cascade_element_show].editor_description;
5026
5027       printf_line_with_prefix("# ", "-", 77);
5028       printf("# %s\n", headline);
5029       printf_line_with_prefix("# ", "-", 77);
5030     }
5031
5032     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5033     {
5034       int element = (*editor_elements_info[i].headline_list)[j];
5035
5036       if (IS_EDITOR_CASCADE(element))
5037         element = EL_CHAR_MINUS;
5038
5039       printf("# %s\n", element_info[element].token_name);
5040     }
5041
5042     if (j > 0)
5043       printf("#\n");
5044
5045     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5046     {
5047       int element = (*editor_elements_info[i].element_list)[j];
5048
5049       printf("# %s\n", element_info[element].token_name);
5050     }
5051
5052     if (j > 0)
5053       printf("#\n");
5054   }
5055 }
5056
5057 static void ReinitializeElementListButtons()
5058 {
5059   static boolean last_setup_value_headlines = FALSE;
5060   static boolean initialization_needed = TRUE;
5061   int i;
5062
5063   if (!initialization_needed)   /* check if editor element setup has changed */
5064   {
5065     if (last_setup_value_headlines != setup.editor.el_headlines)
5066       initialization_needed = TRUE;
5067
5068     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5069       if (editor_elements_info[i].last_setup_value !=
5070           *editor_elements_info[i].setup_value)
5071         initialization_needed = TRUE;
5072   }
5073
5074   if (!initialization_needed)
5075     return;
5076
5077   FreeLevelEditorGadgets();
5078   CreateLevelEditorGadgets();
5079
5080   /* store current setup values for next invocation of this function */
5081   last_setup_value_headlines = setup.editor.el_headlines;
5082   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5083     editor_elements_info[i].last_setup_value =
5084       *editor_elements_info[i].setup_value;
5085
5086   initialization_needed = FALSE;
5087 }
5088
5089 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5090                               boolean input)
5091 {
5092   int border_graphic =
5093     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5094   Bitmap *src_bitmap;
5095   int src_x, src_y;
5096   int bx = (input ? 4 : 8);
5097   int by = (input ? 4 : 8);
5098   int bx2 = TILEX - bx;
5099   int by2 = TILEY - by;
5100   int i;
5101
5102   getGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5103
5104   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5105              bx, by, dest_x - bx, dest_y - by);
5106   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5107              bx, by, dest_x + width, dest_y - by);
5108   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5109              bx, by, dest_x - bx, dest_y + height);
5110   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5111              bx, by, dest_x + width, dest_y + height);
5112
5113   for (i = 0; i < width / MINI_TILEX; i++)
5114   {
5115     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5116                dest_x + i * MINI_TILEX, dest_y - by);
5117     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5118                dest_x + i * MINI_TILEX, dest_y + height);
5119   }
5120
5121   for (i = 0; i < height / MINI_TILEY; i++)
5122   {
5123     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5124                dest_x - bx, dest_y + i * MINI_TILEY);
5125     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5126                dest_x + width, dest_y + i * MINI_TILEY);
5127   }
5128
5129   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5130 }
5131
5132 static void DrawDrawingArea(int id)
5133 {
5134   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5135   int x, y;
5136
5137   int *value = drawingarea_info[id].value;
5138   int area_xsize = drawingarea_info[id].area_xsize;
5139   int area_ysize = drawingarea_info[id].area_ysize;
5140
5141   for (x = 0; x < area_xsize; x++)
5142     for (y = 0; y < area_ysize; y++)
5143       DrawMiniGraphicExt(drawto,
5144                          gi->x + x * MINI_TILEX,
5145                          gi->y + y * MINI_TILEY,
5146                          el2edimg(value[x * area_ysize + y]));
5147 }
5148
5149 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5150 {
5151 #if 0
5152   /* (directly solved in BlitBitmap() now) */
5153   static Bitmap *tmp_backbuffer = NULL;
5154 #endif
5155   int x, y;
5156   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5157   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5158
5159 #if 0
5160   /* (directly solved in BlitBitmap() now) */
5161   if (tmp_backbuffer == NULL)
5162     tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
5163
5164   /* needed when blitting directly to same bitmap -- should not be needed with
5165      recent SDL libraries, but apparently does not work in 1.2.11 directly */
5166   BlitBitmap(drawto, tmp_backbuffer,
5167              SX + (dx == -1 ? MINI_TILEX : 0),
5168              SY + (dy == -1 ? MINI_TILEY : 0),
5169              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5170              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5171              SX + (dx == +1 ? MINI_TILEX : 0),
5172              SY + (dy == +1 ? MINI_TILEY : 0));
5173   BlitBitmap(tmp_backbuffer, drawto,
5174              SX + (dx == +1 ? MINI_TILEX : 0),
5175              SY + (dy == +1 ? MINI_TILEY : 0),
5176              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5177              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5178              SX + (dx == +1 ? MINI_TILEX : 0),
5179              SY + (dy == +1 ? MINI_TILEY : 0));
5180
5181 #else
5182
5183   BlitBitmap(drawto, drawto,
5184              SX + (dx == -1 ? MINI_TILEX : 0),
5185              SY + (dy == -1 ? MINI_TILEY : 0),
5186              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5187              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5188              SX + (dx == +1 ? MINI_TILEX : 0),
5189              SY + (dy == +1 ? MINI_TILEY : 0));
5190 #endif
5191
5192   if (dx)
5193   {
5194     x = (dx == 1 ? 0 : ed_fieldx - 1);
5195     for (y = 0; y < ed_fieldy; y++)
5196       DrawMiniElementOrWall(x, y, from_x, from_y);
5197   }
5198   else if (dy)
5199   {
5200     y = (dy == 1 ? 0 : ed_fieldy - 1);
5201     for (x = 0; x < ed_fieldx; x++)
5202       DrawMiniElementOrWall(x, y, from_x, from_y);
5203   }
5204
5205   redraw_mask |= REDRAW_FIELD;
5206   BackToFront();
5207 }
5208
5209 static void CreateControlButtons()
5210 {
5211   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5212   struct GadgetInfo *gi;
5213   unsigned long event_mask;
5214   int i;
5215
5216   /* create toolbox buttons */
5217   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5218   {
5219     int id = i;
5220     int width, height;
5221     int gd_xoffset, gd_yoffset;
5222     int gd_x1, gd_x2, gd_y1, gd_y2;
5223     int button_type;
5224     int radio_button_nr;
5225     boolean checked;
5226
5227     if (id == GADGET_ID_SINGLE_ITEMS ||
5228         id == GADGET_ID_CONNECTED_ITEMS ||
5229         id == GADGET_ID_LINE ||
5230         id == GADGET_ID_ARC ||
5231         id == GADGET_ID_TEXT ||
5232         id == GADGET_ID_RECTANGLE ||
5233         id == GADGET_ID_FILLED_BOX ||
5234         id == GADGET_ID_FLOOD_FILL ||
5235         id == GADGET_ID_GRAB_BRUSH ||
5236         id == GADGET_ID_PICK_ELEMENT ||
5237         id == GADGET_ID_CUSTOM_COPY_FROM ||
5238         id == GADGET_ID_CUSTOM_COPY_TO ||
5239         id == GADGET_ID_CUSTOM_EXCHANGE)
5240     {
5241       button_type = GD_TYPE_RADIO_BUTTON;
5242       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5243       checked = (id == drawing_function ? TRUE : FALSE);
5244       event_mask = GD_EVENT_PRESSED;
5245     }
5246     else
5247     {
5248       button_type = GD_TYPE_NORMAL_BUTTON;
5249       radio_button_nr = RADIO_NR_NONE;
5250       checked = FALSE;
5251
5252       if (id == GADGET_ID_WRAP_LEFT ||
5253           id == GADGET_ID_WRAP_RIGHT ||
5254           id == GADGET_ID_WRAP_UP ||
5255           id == GADGET_ID_WRAP_DOWN)
5256         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5257       else
5258         event_mask = GD_EVENT_RELEASED;
5259     }
5260
5261     if (id < ED_NUM_CTRL1_BUTTONS)
5262     {
5263       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5264       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5265
5266       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5267       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5268       width  = ED_CTRL1_BUTTON_XSIZE;
5269       height = ED_CTRL1_BUTTON_YSIZE;
5270
5271       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5272       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5273       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5274       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5275     }
5276     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5277     {
5278       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5279       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5280
5281       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5282       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5283       width  = ED_CTRL2_BUTTON_XSIZE;
5284       height = ED_CTRL2_BUTTON_YSIZE;
5285
5286       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5287       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5288       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5289       gd_y2 = 0;        /* no alternative graphic for these buttons */
5290     }
5291     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5292     {
5293       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5294       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5295
5296       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5297       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5298       width  = ED_CTRL3_BUTTON_XSIZE;
5299       height = ED_CTRL3_BUTTON_YSIZE;
5300
5301       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5302       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5303       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5304       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5305     }
5306     else
5307     {
5308       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5309       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5310
5311       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5312       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5313       width  = ED_CTRL4_BUTTON_XSIZE;
5314       height = ED_CTRL4_BUTTON_YSIZE;
5315
5316       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5317       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5318       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5319       gd_y2 = 0;        /* no alternative graphic for these buttons */
5320     }
5321
5322     gi = CreateGadget(GDI_CUSTOM_ID, id,
5323                       GDI_CUSTOM_TYPE_ID, i,
5324                       GDI_INFO_TEXT, control_info[i].text,
5325                       GDI_X, EX + gd_xoffset,
5326                       GDI_Y, EY + gd_yoffset,
5327                       GDI_WIDTH, width,
5328                       GDI_HEIGHT, height,
5329                       GDI_TYPE, button_type,
5330                       GDI_STATE, GD_BUTTON_UNPRESSED,
5331                       GDI_RADIO_NR, radio_button_nr,
5332                       GDI_CHECKED, checked,
5333                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5334                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5335                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5336                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5337                       GDI_EVENT_MASK, event_mask,
5338                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5339                       GDI_CALLBACK_ACTION, HandleControlButtons,
5340                       GDI_END);
5341
5342     if (gi == NULL)
5343       Error(ERR_EXIT, "cannot create gadget");
5344
5345     level_editor_gadget[id] = gi;
5346   }
5347
5348   /* create buttons for scrolling of drawing area and element list */
5349   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5350   {
5351     int id = scrollbutton_info[i].gadget_id;
5352     int x, y, width, height;
5353     int gd_x1, gd_x2, gd_y1, gd_y2;
5354
5355     x = scrollbutton_info[i].x;
5356     y = scrollbutton_info[i].y;
5357
5358     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5359
5360     if (id == GADGET_ID_SCROLL_LIST_UP ||
5361         id == GADGET_ID_SCROLL_LIST_DOWN)
5362     {
5363       x += DX;
5364       y += DY;
5365       width = ED_SCROLLBUTTON2_XSIZE;
5366       height = ED_SCROLLBUTTON2_YSIZE;
5367       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5368       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5369       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
5370       gd_y2 = gd_y1;
5371     }
5372     else
5373     {
5374       x += SX;
5375       y += SY;
5376       width = ED_SCROLLBUTTON_XSIZE;
5377       height = ED_SCROLLBUTTON_YSIZE;
5378       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5379       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5380       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5381       gd_y2 = gd_y1;
5382     }
5383
5384     gi = CreateGadget(GDI_CUSTOM_ID, id,
5385                       GDI_CUSTOM_TYPE_ID, i,
5386                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5387                       GDI_X, x,
5388                       GDI_Y, y,
5389                       GDI_WIDTH, width,
5390                       GDI_HEIGHT, height,
5391                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5392                       GDI_STATE, GD_BUTTON_UNPRESSED,
5393                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5394                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5395                       GDI_EVENT_MASK, event_mask,
5396                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5397                       GDI_CALLBACK_ACTION, HandleControlButtons,
5398                       GDI_END);
5399
5400     if (gi == NULL)
5401       Error(ERR_EXIT, "cannot create gadget");
5402
5403     level_editor_gadget[id] = gi;
5404   }
5405
5406   /* create buttons for element list */
5407   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5408   {
5409     Bitmap *deco_bitmap;
5410     int deco_x, deco_y, deco_xpos, deco_ypos;
5411     int gd_xoffset, gd_yoffset;
5412     int gd_x1, gd_x2, gd_y;
5413     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5414     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5415     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5416     int element = editor_elements[i];
5417
5418     event_mask = GD_EVENT_RELEASED;
5419
5420     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
5421     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
5422
5423     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
5424     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
5425     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
5426
5427     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5428     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
5429     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
5430
5431     gi = CreateGadget(GDI_CUSTOM_ID, id,
5432                       GDI_CUSTOM_TYPE_ID, i,
5433                       GDI_INFO_TEXT, getElementInfoText(element),
5434                       GDI_X, DX + gd_xoffset,
5435                       GDI_Y, DY + gd_yoffset,
5436                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
5437                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
5438                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5439                       GDI_STATE, GD_BUTTON_UNPRESSED,
5440                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5441                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5442                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5443                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5444                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5445                       GDI_DECORATION_SHIFTING, 1, 1,
5446                       GDI_EVENT_MASK, event_mask,
5447                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5448                       GDI_CALLBACK_ACTION, HandleControlButtons,
5449                       GDI_END);
5450
5451     if (gi == NULL)
5452       Error(ERR_EXIT, "cannot create gadget");
5453
5454     level_editor_gadget[id] = gi;
5455   }
5456 }
5457
5458 static void CreateCounterButtons()
5459 {
5460   int max_infotext_len = getMaxInfoTextLength();
5461   int i;
5462
5463   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5464   {
5465     int j;
5466     int x = SX + counterbutton_info[i].x;       /* down count button */
5467     int y = SY + counterbutton_info[i].y;
5468
5469     /* determine horizontal position to the right of specified gadget */
5470     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5471       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5472            ED_GADGET_TEXT_DISTANCE);
5473
5474     /* determine horizontal offset for leading text */
5475     if (counterbutton_info[i].text_left != NULL)
5476       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5477
5478     for (j = 0; j < 2; j++)
5479     {
5480       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5481       struct GadgetInfo *gi;
5482       int id = (j == 0 ?
5483                 counterbutton_info[i].gadget_id_down :
5484                 counterbutton_info[i].gadget_id_up);
5485       int gd_xoffset;
5486       int gd_x, gd_x1, gd_x2, gd_y;
5487       int x_size, y_size;
5488       unsigned long event_mask;
5489       char infotext[max_infotext_len + 1];
5490
5491       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5492
5493       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5494       {
5495         int sid = (j == 0 ?
5496                    ED_SCROLLBUTTON_ID_AREA_LEFT :
5497                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
5498
5499         event_mask |= GD_EVENT_RELEASED;
5500
5501         if (j == 1)
5502           x += 2 * ED_GADGET_DISTANCE;
5503         y += ED_GADGET_DISTANCE;
5504
5505         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
5506         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5507         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
5508         x_size = ED_SCROLLBUTTON_XSIZE;
5509         y_size = ED_SCROLLBUTTON_YSIZE;
5510       }
5511       else
5512       {
5513         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5514         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5515         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5516         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5517         x_size = ED_BUTTON_COUNT_XSIZE;
5518         y_size = ED_BUTTON_COUNT_YSIZE;
5519       }
5520
5521       sprintf(infotext, "%s counter value by 1, 5 or 10",
5522               (j == 0 ? "decrease" : "increase"));
5523
5524       gi = CreateGadget(GDI_CUSTOM_ID, id,
5525                         GDI_CUSTOM_TYPE_ID, i,
5526                         GDI_INFO_TEXT, infotext,
5527                         GDI_X, x,
5528                         GDI_Y, y,
5529                         GDI_WIDTH, x_size,
5530                         GDI_HEIGHT, y_size,
5531                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5532                         GDI_STATE, GD_BUTTON_UNPRESSED,
5533                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5534                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5535                         GDI_EVENT_MASK, event_mask,
5536                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5537                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5538                         GDI_END);
5539
5540       if (gi == NULL)
5541         Error(ERR_EXIT, "cannot create gadget");
5542
5543       level_editor_gadget[id] = gi;
5544       right_gadget_border[id] =
5545         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5546
5547       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5548
5549       if (j == 0)
5550       {
5551         int font_type = FONT_INPUT_1;
5552         int font_type_active = FONT_INPUT_1_ACTIVE;
5553         int gd_width = ED_WIN_COUNT_XSIZE;
5554
5555         id = counterbutton_info[i].gadget_id_text;
5556         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5557
5558         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5559         {
5560           font_type = FONT_LEVEL_NUMBER;
5561 #if 1
5562           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5563 #else
5564           font_type_active = FONT_LEVEL_NUMBER;
5565 #endif
5566           x += 2 * ED_GADGET_DISTANCE;
5567           y -= ED_GADGET_DISTANCE;
5568
5569           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5570           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5571           gd_width = ED_WIN_COUNT2_XSIZE;
5572         }
5573         else
5574         {
5575           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5576           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5577         }
5578
5579         gi = CreateGadget(GDI_CUSTOM_ID, id,
5580                           GDI_CUSTOM_TYPE_ID, i,
5581                           GDI_INFO_TEXT, "enter counter value",
5582                           GDI_X, x,
5583                           GDI_Y, y,
5584                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5585                           GDI_NUMBER_VALUE, 0,
5586                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5587                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5588                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5589                           GDI_TEXT_FONT, font_type,
5590                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5591                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5592                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5593                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5594                           GDI_DESIGN_WIDTH, gd_width,
5595                           GDI_EVENT_MASK, event_mask,
5596                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5597                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5598                           GDI_END);
5599
5600         if (gi == NULL)
5601           Error(ERR_EXIT, "cannot create gadget");
5602
5603         level_editor_gadget[id] = gi;
5604         right_gadget_border[id] =
5605           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5606
5607         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5608       }
5609     }
5610   }
5611 }
5612
5613 static void CreateDrawingAreas()
5614 {
5615   int i;
5616
5617   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5618   {
5619     struct GadgetInfo *gi;
5620     unsigned long event_mask;
5621     int id = drawingarea_info[i].gadget_id;
5622     int x = SX + drawingarea_info[i].x;
5623     int y = SY + drawingarea_info[i].y;
5624     int area_xsize = drawingarea_info[i].area_xsize;
5625     int area_ysize = drawingarea_info[i].area_ysize;
5626
5627     event_mask =
5628       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5629       GD_EVENT_OFF_BORDERS;
5630
5631     /* determine horizontal position to the right of specified gadget */
5632     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5633       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5634            ED_DRAWINGAREA_TEXT_DISTANCE);
5635
5636     /* determine horizontal offset for leading text */
5637     if (drawingarea_info[i].text_left != NULL)
5638       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5639
5640     gi = CreateGadget(GDI_CUSTOM_ID, id,
5641                       GDI_CUSTOM_TYPE_ID, i,
5642                       GDI_X, x,
5643                       GDI_Y, y,
5644                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5645                       GDI_AREA_SIZE, area_xsize, area_ysize,
5646                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5647                       GDI_EVENT_MASK, event_mask,
5648                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5649                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5650                       GDI_END);
5651
5652     if (gi == NULL)
5653       Error(ERR_EXIT, "cannot create gadget");
5654
5655     level_editor_gadget[id] = gi;
5656     right_gadget_border[id] =
5657       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5658   }
5659 }
5660
5661 static void CreateTextInputGadgets()
5662 {
5663   int max_infotext_len = getMaxInfoTextLength();
5664   int i;
5665
5666   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5667   {
5668     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5669     int gd_x, gd_y;
5670     struct GadgetInfo *gi;
5671     unsigned long event_mask;
5672     char infotext[MAX_OUTPUT_LINESIZE + 1];
5673     int id = textinput_info[i].gadget_id;
5674
5675     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5676
5677     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5678     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5679
5680     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5681     infotext[max_infotext_len] = '\0';
5682
5683     gi = CreateGadget(GDI_CUSTOM_ID, id,
5684                       GDI_CUSTOM_TYPE_ID, i,
5685                       GDI_INFO_TEXT, infotext,
5686                       GDI_X, SX + textinput_info[i].x,
5687                       GDI_Y, SY + textinput_info[i].y,
5688                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5689                       GDI_TEXT_VALUE, textinput_info[i].value,
5690                       GDI_TEXT_SIZE, textinput_info[i].size,
5691                       GDI_TEXT_FONT, FONT_INPUT_1,
5692                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5693                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5694                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5695                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5696                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5697                       GDI_EVENT_MASK, event_mask,
5698                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5699                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5700                       GDI_END);
5701
5702     if (gi == NULL)
5703       Error(ERR_EXIT, "cannot create gadget");
5704
5705     level_editor_gadget[id] = gi;
5706   }
5707 }
5708
5709 static void CreateTextAreaGadgets()
5710 {
5711   int max_infotext_len = getMaxInfoTextLength();
5712   int i;
5713
5714   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5715   {
5716     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5717     int gd_x, gd_y;
5718     struct GadgetInfo *gi;
5719     unsigned long event_mask;
5720     char infotext[MAX_OUTPUT_LINESIZE + 1];
5721     int id = textarea_info[i].gadget_id;
5722     int area_xsize = textarea_info[i].xsize;
5723     int area_ysize = textarea_info[i].ysize;
5724
5725     event_mask = GD_EVENT_TEXT_LEAVING;
5726
5727     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5728     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5729
5730     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5731     infotext[max_infotext_len] = '\0';
5732
5733     gi = CreateGadget(GDI_CUSTOM_ID, id,
5734                       GDI_CUSTOM_TYPE_ID, i,
5735                       GDI_INFO_TEXT, infotext,
5736                       GDI_X, SX + textarea_info[i].x,
5737                       GDI_Y, SY + textarea_info[i].y,
5738                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5739                       GDI_AREA_SIZE, area_xsize, area_ysize,
5740                       GDI_TEXT_FONT, FONT_INPUT_1,
5741                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5742                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5743                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5744                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5745                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5746                       GDI_EVENT_MASK, event_mask,
5747                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5748                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5749                       GDI_END);
5750
5751     if (gi == NULL)
5752       Error(ERR_EXIT, "cannot create gadget");
5753
5754     level_editor_gadget[id] = gi;
5755   }
5756 }
5757
5758 static void CreateSelectboxGadgets()
5759 {
5760   int max_infotext_len = getMaxInfoTextLength();
5761   int i, j;
5762
5763   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5764   {
5765     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5766     int gd_x, gd_y;
5767     struct GadgetInfo *gi;
5768     unsigned long event_mask;
5769     char infotext[MAX_OUTPUT_LINESIZE + 1];
5770     int id = selectbox_info[i].gadget_id;
5771     int x = SX + selectbox_info[i].x;
5772     int y = SY + selectbox_info[i].y;
5773
5774     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5775     {
5776       /* (we cannot use -1 for uninitialized values if we directly compare
5777          with results from strlen(), because the '<' and '>' operation will
5778          implicitely cast -1 to an unsigned integer value!) */
5779       selectbox_info[i].size = 0;
5780
5781       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5782         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5783           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5784
5785       selectbox_info[i].size++;         /* add one character empty space */
5786     }
5787
5788     event_mask = GD_EVENT_RELEASED |
5789       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5790
5791     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5792     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5793
5794     /* determine horizontal position to the right of specified gadget */
5795     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5796       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5797            ED_GADGET_TEXT_DISTANCE);
5798
5799     /* determine horizontal offset for leading text */
5800     if (selectbox_info[i].text_left != NULL)
5801       x += getTextWidthForGadget(selectbox_info[i].text_left);
5802
5803     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5804     infotext[max_infotext_len] = '\0';
5805
5806     gi = CreateGadget(GDI_CUSTOM_ID, id,
5807                       GDI_CUSTOM_TYPE_ID, i,
5808                       GDI_INFO_TEXT, infotext,
5809                       GDI_X, x,
5810                       GDI_Y, y,
5811                       GDI_TYPE, GD_TYPE_SELECTBOX,
5812                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5813                       GDI_TEXT_SIZE, selectbox_info[i].size,
5814                       GDI_TEXT_FONT, FONT_INPUT_1,
5815                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5816                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5817                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5818                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5819                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5820                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5821                       GDI_EVENT_MASK, event_mask,
5822                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5823                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5824                       GDI_END);
5825
5826     if (gi == NULL)
5827       Error(ERR_EXIT, "cannot create gadget");
5828
5829     level_editor_gadget[id] = gi;
5830     right_gadget_border[id] =
5831       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5832   }
5833 }
5834
5835 static void CreateTextbuttonGadgets()
5836 {
5837   int max_infotext_len = getMaxInfoTextLength();
5838   int i;
5839
5840   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5841   {
5842     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5843     int gd_x1, gd_x2, gd_y1, gd_y2;
5844     struct GadgetInfo *gi;
5845     unsigned long event_mask;
5846     char infotext[MAX_OUTPUT_LINESIZE + 1];
5847     int id = textbutton_info[i].gadget_id;
5848     int x = SX + textbutton_info[i].x;
5849     int y = SY + textbutton_info[i].y;
5850
5851     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5852       textbutton_info[i].size = strlen(textbutton_info[i].text);
5853
5854     event_mask = GD_EVENT_RELEASED;
5855
5856     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5857         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5858     {
5859       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5860       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5861       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5862       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5863     }
5864     else
5865     {
5866       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5867       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5868       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5869       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5870     }
5871
5872     sprintf(infotext, "%s", textbutton_info[i].infotext);
5873     infotext[max_infotext_len] = '\0';
5874
5875     /* determine horizontal position to the right of specified gadget */
5876     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5877       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5878            ED_GADGET_TEXT_DISTANCE);
5879
5880     /* determine horizontal offset for leading text */
5881     if (textbutton_info[i].text_left != NULL)
5882       x += getTextWidthForGadget(textbutton_info[i].text_left);
5883
5884     gi = CreateGadget(GDI_CUSTOM_ID, id,
5885                       GDI_CUSTOM_TYPE_ID, i,
5886                       GDI_INFO_TEXT, infotext,
5887                       GDI_X, x,
5888                       GDI_Y, y,
5889                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5890                       GDI_TEXT_VALUE, textbutton_info[i].text,
5891                       GDI_TEXT_SIZE, textbutton_info[i].size,
5892                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5893                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5894                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5895                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5896                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5897                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5898                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5899                       GDI_DECORATION_SHIFTING, 1, 1,
5900                       GDI_EVENT_MASK, event_mask,
5901                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5902                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5903                       GDI_END);
5904
5905     if (gi == NULL)
5906       Error(ERR_EXIT, "cannot create gadget");
5907
5908     level_editor_gadget[id] = gi;
5909     right_gadget_border[id] =
5910       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5911   }
5912 }
5913
5914 static void CreateGraphicbuttonGadgets()
5915 {
5916   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5917   struct GadgetInfo *gi;
5918   unsigned long event_mask;
5919   int i;
5920
5921   /* create buttons for scrolling of drawing area and element list */
5922   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5923   {
5924     int id = graphicbutton_info[i].gadget_id;
5925     int gd_x1, gd_x2, gd_y1, gd_y2;
5926     int x = SX + graphicbutton_info[i].x;
5927     int y = SY + graphicbutton_info[i].y;
5928
5929     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5930
5931     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5932     {
5933       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5934       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5935       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5936       gd_y2 = gd_y1;
5937     }
5938     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5939     {
5940       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5941       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5942       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5943       gd_y2 = gd_y1;
5944     }
5945
5946     /* determine horizontal position to the right of specified gadget */
5947     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5948       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5949            ED_GADGET_TEXT_DISTANCE);
5950
5951     /* determine horizontal offset for leading text */
5952     if (graphicbutton_info[i].text_left != NULL)
5953       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5954
5955     gi = CreateGadget(GDI_CUSTOM_ID, id,
5956                       GDI_CUSTOM_TYPE_ID, i,
5957                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5958                       GDI_X, x,
5959                       GDI_Y, y,
5960                       GDI_WIDTH, graphicbutton_info[i].width,
5961                       GDI_HEIGHT, graphicbutton_info[i].height,
5962                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5963                       GDI_STATE, GD_BUTTON_UNPRESSED,
5964                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5965                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5966                       GDI_EVENT_MASK, event_mask,
5967                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5968                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
5969                       GDI_END);
5970
5971     if (gi == NULL)
5972       Error(ERR_EXIT, "cannot create gadget");
5973
5974     level_editor_gadget[id] = gi;
5975     right_gadget_border[id] =
5976       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
5977   }
5978 }
5979
5980 static void CreateScrollbarGadgets()
5981 {
5982   int i;
5983
5984   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
5985   {
5986     int id = scrollbar_info[i].gadget_id;
5987     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5988     int gd_x1, gd_x2, gd_y1, gd_y2;
5989     struct GadgetInfo *gi;
5990     int items_max, items_visible, item_position;
5991     unsigned long event_mask;
5992
5993     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
5994     {
5995       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
5996       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
5997       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
5998     }
5999     else        /* drawing area scrollbars */
6000     {
6001       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6002       {
6003         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6004         items_visible = ed_fieldx;
6005         item_position = 0;
6006       }
6007       else
6008       {
6009         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6010         items_visible = ed_fieldy;
6011         item_position = 0;
6012       }
6013     }
6014
6015     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6016
6017     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
6018     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
6019                       scrollbar_info[i].height : scrollbar_info[i].width));
6020     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6021     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6022
6023     gi = CreateGadget(GDI_CUSTOM_ID, id,
6024                       GDI_CUSTOM_TYPE_ID, i,
6025                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6026                       GDI_X, scrollbar_info[i].x,
6027                       GDI_Y, scrollbar_info[i].y,
6028                       GDI_WIDTH, scrollbar_info[i].width,
6029                       GDI_HEIGHT, scrollbar_info[i].height,
6030                       GDI_TYPE, scrollbar_info[i].type,
6031                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6032                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6033                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6034                       GDI_WHEEL_AREA_X, scrollbar_info[i].wheel_x,
6035                       GDI_WHEEL_AREA_Y, scrollbar_info[i].wheel_y,
6036                       GDI_WHEEL_AREA_WIDTH, scrollbar_info[i].wheel_width,
6037                       GDI_WHEEL_AREA_HEIGHT, scrollbar_info[i].wheel_height,
6038                       GDI_STATE, GD_BUTTON_UNPRESSED,
6039                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6040                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6041                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6042                       GDI_EVENT_MASK, event_mask,
6043                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6044                       GDI_CALLBACK_ACTION, HandleControlButtons,
6045                       GDI_END);
6046
6047     if (gi == NULL)
6048       Error(ERR_EXIT, "cannot create gadget");
6049
6050     level_editor_gadget[id] = gi;
6051   }
6052 }
6053
6054 static void CreateCheckbuttonGadgets()
6055 {
6056   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6057   struct GadgetInfo *gi;
6058   unsigned long event_mask;
6059   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6060   int i;
6061
6062   event_mask = GD_EVENT_PRESSED;
6063
6064   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6065   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6066   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6067   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6068   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6069
6070   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6071   {
6072     int id = checkbutton_info[i].gadget_id;
6073     int x = SX + checkbutton_info[i].x;
6074     int y = SY + checkbutton_info[i].y;
6075
6076     if (id == GADGET_ID_STICK_ELEMENT)
6077       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6078     else
6079       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6080
6081     /* determine horizontal position to the right of specified gadget */
6082     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6083       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6084            ED_GADGET_TEXT_DISTANCE);
6085
6086     /* determine horizontal offset for leading text */
6087     if (checkbutton_info[i].text_left != NULL)
6088       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6089
6090     gi = CreateGadget(GDI_CUSTOM_ID, id,
6091                       GDI_CUSTOM_TYPE_ID, i,
6092                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6093                       GDI_X, x,
6094                       GDI_Y, y,
6095                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6096                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6097                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6098                       GDI_CHECKED, *checkbutton_info[i].value,
6099                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6100                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6101                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6102                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6103                       GDI_EVENT_MASK, event_mask,
6104                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6105                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6106                       GDI_END);
6107
6108     if (gi == NULL)
6109       Error(ERR_EXIT, "cannot create gadget");
6110
6111     level_editor_gadget[id] = gi;
6112     right_gadget_border[id] =
6113       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6114   }
6115 }
6116
6117 static void CreateRadiobuttonGadgets()
6118 {
6119   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6120   struct GadgetInfo *gi;
6121   unsigned long event_mask;
6122   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6123   int i;
6124
6125   event_mask = GD_EVENT_PRESSED;
6126
6127   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6128   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6129   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6130   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6131   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6132
6133   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6134   {
6135     int id = radiobutton_info[i].gadget_id;
6136     int x = SX + radiobutton_info[i].x;
6137     int y = SY + radiobutton_info[i].y;
6138
6139     int checked =
6140       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6141
6142     /* determine horizontal position to the right of specified gadget */
6143     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6144       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6145            ED_GADGET_TEXT_DISTANCE);
6146
6147     /* determine horizontal offset for leading text */
6148     if (radiobutton_info[i].text_left != NULL)
6149       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6150
6151     gi = CreateGadget(GDI_CUSTOM_ID, id,
6152                       GDI_CUSTOM_TYPE_ID, i,
6153                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6154                       GDI_X, x,
6155                       GDI_Y, y,
6156                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6157                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6158                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6159                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6160                       GDI_CHECKED, checked,
6161                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6162                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6163                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6164                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6165                       GDI_EVENT_MASK, event_mask,
6166                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6167                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6168                       GDI_END);
6169
6170     if (gi == NULL)
6171       Error(ERR_EXIT, "cannot create gadget");
6172
6173     level_editor_gadget[id] = gi;
6174     right_gadget_border[id] =
6175       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6176   }
6177 }
6178
6179 void CreateLevelEditorGadgets()
6180 {
6181   int old_game_status = game_status;
6182
6183   /* setting 'game_status' is needed to get the right fonts for the editor */
6184   game_status = GAME_MODE_EDITOR;
6185
6186   ReinitializeElementList();
6187
6188   CreateControlButtons();
6189   CreateScrollbarGadgets();
6190
6191   /* order of function calls is important because of cross-references */
6192   CreateCheckbuttonGadgets();
6193   CreateCounterButtons();
6194   CreateRadiobuttonGadgets();
6195   CreateTextInputGadgets();
6196   CreateTextAreaGadgets();
6197   CreateSelectboxGadgets();
6198   CreateGraphicbuttonGadgets();
6199   CreateTextbuttonGadgets();
6200   CreateDrawingAreas();
6201
6202   game_status = old_game_status;
6203 }
6204
6205 void FreeLevelEditorGadgets()
6206 {
6207   int i;
6208
6209   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6210   {
6211     FreeGadget(level_editor_gadget[i]);
6212
6213     level_editor_gadget[i] = NULL;
6214   }
6215 }
6216
6217 static void MapCounterButtons(int id)
6218 {
6219   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6220   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6221   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6222   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6223   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6224   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6225   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6226   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6227   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6228   int yoffset = ED_BORDER_SIZE;
6229   int x_left = gi_down->x - xoffset_left;
6230   int x_right;  /* set after gadget position was modified */
6231   int y_above = gi_down->y - yoffset_above;
6232   int x = gi_down->x;
6233   int y;        /* set after gadget position was modified */
6234
6235   /* counter limits must be changed first to prevent value truncation */
6236   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6237                             counterbutton_info[id].max_value);
6238
6239   /* right text position might have changed after setting position above */
6240   x_right = gi_up->x + gi_up->width + xoffset_right;
6241
6242   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6243
6244   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6245   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6246       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6247   {
6248     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6249     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6250     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6251   }
6252
6253   /* vertical position might have changed after setting position above */
6254   y = gi_up->y + yoffset;
6255
6256   if (counterbutton_info[id].text_above)
6257     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6258
6259   if (counterbutton_info[id].text_left)
6260     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6261
6262   if (counterbutton_info[id].text_right)
6263     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6264
6265   MapGadget(gi_down);
6266   MapGadget(gi_text);
6267   MapGadget(gi_up);
6268 }
6269
6270 static void MapControlButtons()
6271 {
6272   int counter_id;
6273   int i;
6274
6275   /* map toolbox buttons (excluding special CE toolbox buttons) */
6276   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6277     MapGadget(level_editor_gadget[i]);
6278
6279   /* map buttons to select elements */
6280   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6281     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6282   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6283   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6284   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6285
6286   /* map buttons to select level */
6287   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6288   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6289   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6290   MapCounterButtons(counter_id);
6291 }
6292
6293 static void MapDrawingArea(int id)
6294 {
6295   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6296   int area_xsize = gi->drawing.area_xsize;
6297   int area_ysize = gi->drawing.area_ysize;
6298   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6299   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6300   int x_left  = gi->x - xoffset_left;
6301   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6302   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6303   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6304   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6305
6306   if (drawingarea_info[id].text_left)
6307     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6308
6309   if (drawingarea_info[id].text_right)
6310     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6311
6312   if (drawingarea_info[id].text_below)
6313     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6314
6315   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6316   {
6317     DrawElementBorder(gi->x, gi->y,
6318                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6319
6320     DrawDrawingArea(id);
6321   }
6322
6323   MapGadget(gi);
6324 }
6325
6326 static void MapTextInputGadget(int id)
6327 {
6328   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6329   int xoffset_above = 0;
6330   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6331   int x_above = textinput_info[id].x + xoffset_above;
6332   int y_above = textinput_info[id].y + yoffset_above;
6333
6334   if (textinput_info[id].text_above)
6335     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6336
6337   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6338
6339   MapGadget(gi);
6340 }
6341
6342 static void MapTextAreaGadget(int id)
6343 {
6344   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6345   int xoffset_above = 0;
6346   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6347   int x_above = textarea_info[id].x + xoffset_above;
6348   int y_above = textarea_info[id].y + yoffset_above;
6349
6350   if (textarea_info[id].text_above)
6351     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6352
6353   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6354
6355   MapGadget(gi);
6356 }
6357
6358 static void MapSelectboxGadget(int id)
6359 {
6360   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6361   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6362   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6363   int yoffset = ED_BORDER_SIZE;
6364   int x_left = gi->x - xoffset_left;
6365   int x_right = gi->x + gi->width + xoffset_right;
6366   int y = gi->y + yoffset;
6367
6368   if (selectbox_info[id].text_left)
6369     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6370
6371   if (selectbox_info[id].text_right)
6372     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6373
6374   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6375
6376   MapGadget(gi);
6377 }
6378
6379 static void MapTextbuttonGadget(int id)
6380 {
6381   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6382   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6383   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6384   int yoffset = ED_BORDER_SIZE;
6385   int x_left = gi->x - xoffset_left;
6386   int x_right = gi->x + gi->width + xoffset_right;
6387   int y = gi->y + yoffset;
6388
6389   /* only show button to delete change pages when more than minimum pages */
6390   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6391       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6392     return;
6393
6394   if (textbutton_info[id].text_left)
6395     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6396
6397   if (textbutton_info[id].text_right)
6398     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6399
6400   MapGadget(gi);
6401 }
6402
6403 static void MapGraphicbuttonGadget(int id)
6404 {
6405   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6406   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6407   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6408   int yoffset = ED_BORDER_SIZE;
6409   int x_left = gi->x - xoffset_left;
6410   int x_right = gi->x + gi->width + xoffset_right;
6411   int y = gi->y + yoffset;
6412
6413   if (graphicbutton_info[id].text_left)
6414     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6415
6416   if (graphicbutton_info[id].text_right)
6417     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6418
6419   MapGadget(gi);
6420 }
6421
6422 static void MapRadiobuttonGadget(int id)
6423 {
6424   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6425   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6426   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6427   int yoffset = ED_BORDER_SIZE;
6428   int x_left = gi->x - xoffset_left;
6429   int x_right = gi->x + gi->width + xoffset_right;
6430   int y = gi->y + yoffset;
6431   boolean checked =
6432     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6433
6434   if (radiobutton_info[id].text_left)
6435     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6436
6437   if (radiobutton_info[id].text_right)
6438     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6439
6440   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6441
6442   MapGadget(gi);
6443 }
6444
6445 static void MapCheckbuttonGadget(int id)
6446 {
6447   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6448   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6449   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6450   int yoffset = ED_BORDER_SIZE;
6451   int x_left, x_right, y;       /* set after gadget position was modified */
6452
6453   /* set position for gadgets with dynamically determined position */
6454   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6455     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6456   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6457
6458   x_left = gi->x - xoffset_left;
6459   x_right = gi->x + gi->width + xoffset_right;
6460   y = gi->y + yoffset;
6461
6462   if (checkbutton_info[id].text_left)
6463     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6464
6465   if (checkbutton_info[id].text_right)
6466     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6467
6468   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6469
6470   MapGadget(gi);
6471 }
6472
6473 static void MapMainDrawingArea()
6474 {
6475   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6476   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6477   int i;
6478
6479   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6480   {
6481     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6482           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6483          no_horizontal_scrollbar) ||
6484         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6485           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6486          no_vertical_scrollbar))
6487       continue;
6488
6489     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6490   }
6491
6492   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6493   {
6494     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6495         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6496       continue;
6497
6498     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6499   }
6500
6501   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6502 }
6503
6504 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6505 {
6506   int i;
6507
6508   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6509   {
6510     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6511         i == GADGET_ID_CUSTOM_COPY_TO ||
6512         i == GADGET_ID_CUSTOM_EXCHANGE ||
6513         i == GADGET_ID_CUSTOM_COPY ||
6514         i == GADGET_ID_CUSTOM_PASTE)
6515     {
6516       if (map)
6517         MapGadget(level_editor_gadget[i]);
6518       else
6519         UnmapGadget(level_editor_gadget[i]);
6520     }
6521   }
6522 }
6523
6524 static void MapLevelEditorToolboxCustomGadgets()
6525 {
6526   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6527 }
6528
6529 static void UnmapLevelEditorToolboxCustomGadgets()
6530 {
6531   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6532 }
6533
6534 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6535 {
6536   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6537   int i;
6538
6539   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6540   {
6541     if (i != GADGET_ID_SINGLE_ITEMS &&
6542         i != GADGET_ID_PROPERTIES &&
6543         i != GADGET_ID_PICK_ELEMENT)
6544     {
6545       struct GadgetInfo *gi = level_editor_gadget[i];
6546
6547       if (map)
6548         MapGadget(gi);
6549       else
6550       {
6551         UnmapGadget(gi);
6552
6553         BlitBitmap(gd_bitmap, drawto,
6554                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6555                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6556                    gi->width, gi->height, gi->x, gi->y);
6557
6558         redraw_mask |= REDRAW_DOOR_3;
6559       }
6560     }
6561   }
6562 }
6563
6564 static void MapLevelEditorToolboxDrawingGadgets()
6565 {
6566   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6567 }
6568
6569 static void UnmapLevelEditorToolboxDrawingGadgets()
6570 {
6571   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6572 }
6573
6574 static void UnmapDrawingArea(int id)
6575 {
6576   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6577 }
6578
6579 static void UnmapLevelEditorWindowGadgets()
6580 {
6581   int i;
6582
6583   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6584     if (level_editor_gadget[i]->x < SX + SXSIZE)
6585       UnmapGadget(level_editor_gadget[i]);
6586 }
6587
6588 void UnmapLevelEditorGadgets()
6589 {
6590   int i;
6591
6592   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6593     UnmapGadget(level_editor_gadget[i]);
6594 }
6595
6596 static void ResetUndoBuffer()
6597 {
6598   undo_buffer_position = -1;
6599   undo_buffer_steps = -1;
6600   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6601
6602   level.changed = FALSE;
6603 }
6604
6605 static void DrawEditModeWindow()
6606 {
6607   ModifyEditorElementList();
6608   RedrawDrawingElements();
6609
6610   if (edit_mode == ED_MODE_INFO)
6611     DrawLevelInfoWindow();
6612   else if (edit_mode == ED_MODE_PROPERTIES)
6613     DrawPropertiesWindow();
6614   else  /* edit_mode == ED_MODE_DRAWING */
6615     DrawDrawingWindow();
6616 }
6617
6618 static boolean LevelChanged()
6619 {
6620   boolean field_changed = FALSE;
6621   int x, y;
6622
6623   if (leveldir_current->readonly)
6624     return FALSE;
6625
6626   for (y = 0; y < lev_fieldy; y++)
6627     for (x = 0; x < lev_fieldx; x++)
6628       if (Feld[x][y] != level.field[x][y])
6629         field_changed = TRUE;
6630
6631   return (level.changed || field_changed);
6632 }
6633
6634 static boolean LevelContainsPlayer()
6635 {
6636   boolean player_found = FALSE;
6637   int x, y;
6638
6639   return TRUE;          /* !!! CURRENTLY DEACTIVATED !!! */
6640
6641   for (y = 0; y < lev_fieldy; y++) for (x = 0; x < lev_fieldx; x++)
6642   {
6643     if (Feld[x][y] == EL_PLAYER_1 ||
6644         Feld[x][y] == EL_SP_MURPHY)
6645       player_found = TRUE;
6646   }
6647
6648   return player_found;
6649 }
6650
6651 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6652                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6653 {
6654   int x, y;
6655
6656   for (x = 0; x < lev_fieldx; x++)
6657     for (y = 0; y < lev_fieldy; y++)
6658       dst[x][y] = src[x][y];
6659 }
6660
6661 static int setSelectboxValue(int selectbox_id, int new_value)
6662 {
6663   int new_index_value = 0;
6664   int i;
6665
6666   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6667     if (selectbox_info[selectbox_id].options[i].value == new_value)
6668       new_index_value = i;
6669
6670   *selectbox_info[selectbox_id].value =
6671     selectbox_info[selectbox_id].options[new_index_value].value;
6672
6673   return new_index_value;
6674 }
6675
6676 static void setSelectboxSpecialActionVariablesIfNeeded()
6677 {
6678   int i;
6679
6680   /* change action mode and arg variables according to action type variable */
6681   for (i = 0; action_arg_options[i].value != -1; i++)
6682   {
6683     if (action_arg_options[i].value == custom_element_change.action_type)
6684     {
6685       int mode = action_arg_options[i].mode;
6686
6687       /* only change if corresponding selectbox has changed */
6688       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6689           action_arg_modes[mode])
6690         custom_element_change.action_mode = -1;
6691
6692       /* only change if corresponding selectbox has changed */
6693       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6694           action_arg_options[i].options)
6695         custom_element_change.action_arg = -1;
6696
6697       break;
6698     }
6699   }
6700 }
6701
6702 static void setSelectboxSpecialActionOptions()
6703 {
6704   int i;
6705
6706   /* change action mode and arg selectbox according to action type selectbox */
6707   for (i = 0; action_arg_options[i].value != -1; i++)
6708   {
6709     if (action_arg_options[i].value == custom_element_change.action_type)
6710     {
6711       int mode = action_arg_options[i].mode;
6712
6713       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6714                                    action_arg_modes[mode]);
6715       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6716                                  custom_element_change.action_mode);
6717
6718       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6719                                    action_arg_options[i].options);
6720       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6721                                  custom_element_change.action_arg);
6722       break;
6723     }
6724   }
6725 }
6726
6727 static void copy_custom_element_settings(int element_from, int element_to)
6728 {
6729   struct ElementInfo *ei_from = &element_info[element_from];
6730   struct ElementInfo *ei_to = &element_info[element_to];
6731
6732   copyElementInfo(ei_from, ei_to);
6733 }
6734
6735 static void replace_custom_element_in_settings(int element_from,
6736                                                int element_to)
6737 {
6738   int i, j, x, y;
6739
6740   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6741   {
6742     struct ElementInfo *ei = &element_info[i];
6743
6744     for (y = 0; y < 3; y++)
6745       for (x = 0; x < 3; x++)
6746         if (ei->content.e[x][y] == element_from)
6747           ei->content.e[x][y] = element_to;
6748
6749     for (j = 0; j < ei->num_change_pages; j++)
6750     {
6751       struct ElementChangeInfo *change = &ei->change_page[j];
6752
6753       if (change->target_element == element_from)
6754         change->target_element = element_to;
6755
6756       if (change->initial_trigger_element == element_from)
6757         change->initial_trigger_element = element_to;
6758
6759       if (change->action_element == element_from)
6760         change->action_element = element_to;
6761
6762       for (y = 0; y < 3; y++)
6763         for (x = 0; x < 3; x++)
6764           if (change->target_content.e[x][y] == element_from)
6765             change->target_content.e[x][y] = element_to;
6766     }
6767
6768     if (ei->group != NULL)                              /* group or internal */
6769       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6770         if (ei->group->element[j] == element_from)
6771           ei->group->element[j] = element_to;
6772   }
6773 }
6774
6775 static void replace_custom_element_in_playfield(int element_from,
6776                                                 int element_to)
6777 {
6778   int x, y;
6779
6780   for (x = 0; x < lev_fieldx; x++)
6781     for (y = 0; y < lev_fieldy; y++)
6782       if (Feld[x][y] == element_from)
6783         Feld[x][y] = element_to;
6784 }
6785
6786 static boolean CopyCustomElement(int element_old, int element_new,
6787                                  int copy_mode)
6788 {
6789   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6790   {
6791     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6792                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6793     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6794   }
6795   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
6796   {
6797     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
6798                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6799     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6800
6801     level.changed = TRUE;
6802   }
6803   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
6804   {
6805     Request("Please choose custom element !", REQ_CONFIRM);
6806
6807     return FALSE;
6808   }
6809   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
6810   {
6811     Request("Please choose group element !", REQ_CONFIRM);
6812
6813     return FALSE;
6814   }
6815   else
6816   {
6817     level.changed = TRUE;
6818   }
6819
6820   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
6821   {
6822     copy_custom_element_settings(element_new, element_old);
6823   }
6824   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
6825   {
6826     copy_custom_element_settings(element_old, element_new);
6827   }
6828   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
6829   {
6830     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
6831     copy_custom_element_settings(element_new, element_old);
6832     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
6833
6834     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
6835     replace_custom_element_in_settings(element_new, element_old);
6836     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
6837
6838     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
6839     replace_custom_element_in_playfield(element_new, element_old);
6840     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
6841   }
6842
6843   UpdateCustomElementGraphicGadgets();
6844   DrawPropertiesWindow();
6845
6846   return TRUE;
6847 }
6848
6849 static void CopyCustomElementPropertiesToEditor(int element)
6850 {
6851   int i;
6852   int current_change_page = element_info[element].current_change_page;
6853
6854   /* dynamically (re)build selectbox for selecting change page */
6855   for (i = 0; i < element_info[element].num_change_pages; i++)
6856   {
6857     sprintf(options_change_page_strings[i], "%d", i + 1);
6858
6859     options_change_page[i].value = i;
6860     options_change_page[i].text = options_change_page_strings[i];
6861   }
6862
6863   options_change_page[i].value = -1;
6864   options_change_page[i].text = NULL;
6865
6866   /* needed here to initialize combined element properties */
6867   InitElementPropertiesEngine(level.game_version);
6868
6869   element_info[element].change =
6870     &element_info[element].change_page[current_change_page];
6871
6872   custom_element = element_info[element];
6873   custom_element_change = *element_info[element].change;
6874
6875   /* needed to initially set selectbox options for special action options */
6876   setSelectboxSpecialActionOptions();
6877
6878   /* needed to initially set selectbox value variables to reliable defaults */
6879   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6880     setSelectboxValue(i, *selectbox_info[i].value);
6881
6882   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
6883     custom_element_properties[i] = HAS_PROPERTY(element, i);
6884
6885   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
6886     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
6887
6888   /* ---------- element settings: configure (custom elements) ------------- */
6889
6890   /* set accessible layer selectbox help value */
6891   custom_element.access_type =
6892     (IS_WALKABLE(element) ? EP_WALKABLE :
6893      IS_PASSABLE(element) ? EP_PASSABLE :
6894      custom_element.access_type);
6895   custom_element.access_layer =
6896     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
6897      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
6898      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
6899      custom_element.access_layer);
6900   custom_element.access_protected =
6901     (IS_PROTECTED(element) ? 1 : 0);
6902   custom_element_properties[EP_ACCESSIBLE] =
6903     (IS_ACCESSIBLE_OVER(element) ||
6904      IS_ACCESSIBLE_INSIDE(element) ||
6905      IS_ACCESSIBLE_UNDER(element));
6906
6907   /* set walk-to-object action selectbox help value */
6908   custom_element.walk_to_action =
6909     (IS_DIGGABLE(element) ? EP_DIGGABLE :
6910      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
6911      IS_DROPPABLE(element) ? EP_DROPPABLE :
6912      IS_THROWABLE(element) ? EP_THROWABLE :
6913      IS_PUSHABLE(element) ? EP_PUSHABLE :
6914      custom_element.walk_to_action);
6915   custom_element_properties[EP_WALK_TO_OBJECT] =
6916     (IS_DIGGABLE(element) ||
6917      IS_COLLECTIBLE_ONLY(element) ||
6918      IS_DROPPABLE(element) ||
6919      IS_THROWABLE(element) ||
6920      IS_PUSHABLE(element));
6921
6922   /* set smash targets selectbox help value */
6923   custom_element.smash_targets =
6924     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
6925      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
6926      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
6927      custom_element.smash_targets);
6928   custom_element_properties[EP_CAN_SMASH] =
6929     (CAN_SMASH_EVERYTHING(element) ||
6930      CAN_SMASH_ENEMIES(element) ||
6931      CAN_SMASH_PLAYER(element));
6932
6933   /* set deadliness selectbox help value */
6934   custom_element.deadliness =
6935     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
6936      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
6937      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
6938      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
6939      custom_element.deadliness);
6940   custom_element_properties[EP_DEADLY] =
6941     (DONT_TOUCH(element) ||
6942      DONT_GET_HIT_BY(element) ||
6943      DONT_COLLIDE_WITH(element) ||
6944      DONT_RUN_INTO(element));
6945
6946   /* ---------- element settings: advanced (custom elements) --------------- */
6947
6948   /* set "change by direct action" selectbox help value */
6949   custom_element_change.direct_action =
6950     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
6951      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
6952      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
6953      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
6954      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
6955      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
6956      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
6957      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
6958      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
6959      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
6960      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
6961      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
6962      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
6963      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
6964      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
6965      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
6966      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
6967      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
6968      custom_element_change.direct_action);
6969
6970   /* set "change by other element action" selectbox help value */
6971   custom_element_change.other_action =
6972     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
6973      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
6974      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
6975      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
6976      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
6977      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
6978      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
6979      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
6980      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
6981      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
6982      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
6983      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
6984      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
6985      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
6986      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
6987      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
6988      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
6989      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
6990      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
6991      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
6992      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
6993      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
6994      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
6995      custom_element_change.other_action);
6996 }
6997
6998 static void CopyGroupElementPropertiesToEditor(int element)
6999 {
7000   group_element_info = *element_info[element].group;
7001   custom_element = element_info[element];       /* needed for description */
7002 }
7003
7004 static void CopyClassicElementPropertiesToEditor(int element)
7005 {
7006   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7007     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7008       getMoveIntoAcidProperty(&level, element);
7009
7010   if (MAYBE_DONT_COLLIDE_WITH(element))
7011     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7012       getDontCollideWithProperty(&level, element);
7013 }
7014
7015 static void CopyElementPropertiesToEditor(int element)
7016 {
7017   if (IS_CUSTOM_ELEMENT(element))
7018     CopyCustomElementPropertiesToEditor(element);
7019   else if (IS_GROUP_ELEMENT(element))
7020     CopyGroupElementPropertiesToEditor(element);
7021   else
7022     CopyClassicElementPropertiesToEditor(element);
7023 }
7024
7025 static void CopyCustomElementPropertiesToGame(int element)
7026 {
7027   int i;
7028   int access_type_and_layer;
7029
7030   /* mark that this custom element has been modified */
7031   custom_element.modified_settings = TRUE;
7032   level.changed = TRUE;
7033
7034   if (level.use_custom_template)
7035   {
7036     if (Request("Copy and modify level template ?", REQ_ASK))
7037     {
7038       level.use_custom_template = FALSE;
7039       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7040                    GDI_CHECKED, FALSE, GDI_END);
7041     }
7042     else
7043     {
7044       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7045
7046       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7047     }
7048   }
7049
7050   element_info[element] = custom_element;
7051   *element_info[element].change = custom_element_change;
7052
7053   /* ---------- element settings: configure (custom elements) ------------- */
7054
7055   /* set accessible property from checkbox and selectbox */
7056   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7057   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7058   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7059   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7060   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7061   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7062   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7063                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7064                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7065   custom_element_properties[access_type_and_layer] =
7066     custom_element_properties[EP_ACCESSIBLE];
7067   custom_element_properties[EP_PROTECTED] =
7068     (custom_element.access_protected != 0 &&
7069      custom_element_properties[EP_ACCESSIBLE]);
7070
7071   /* set walk-to-object property from checkbox and selectbox */
7072   custom_element_properties[EP_DIGGABLE] = FALSE;
7073   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7074   custom_element_properties[EP_DROPPABLE] = FALSE;
7075   custom_element_properties[EP_THROWABLE] = FALSE;
7076   custom_element_properties[EP_PUSHABLE] = FALSE;
7077   custom_element_properties[custom_element.walk_to_action] =
7078     custom_element_properties[EP_WALK_TO_OBJECT];
7079
7080   /* set smash property from checkbox and selectbox */
7081   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7082   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7083   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7084   custom_element_properties[custom_element.smash_targets] =
7085     custom_element_properties[EP_CAN_SMASH];
7086
7087   /* set deadliness property from checkbox and selectbox */
7088   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7089   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7090   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7091   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7092   custom_element_properties[custom_element.deadliness] =
7093     custom_element_properties[EP_DEADLY];
7094
7095   /* ---------- element settings: advanced (custom elements) --------------- */
7096
7097   /* set player change event from checkbox and selectbox */
7098   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7099   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7100   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7101   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7102   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7103   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7104   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7105   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7106   custom_element_change_events[CE_SWITCHED] = FALSE;
7107   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7108   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7109   custom_element_change_events[CE_BLOCKED] = FALSE;
7110   custom_element_change_events[CE_IMPACT] = FALSE;
7111   custom_element_change_events[CE_SMASHED] = FALSE;
7112   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7113   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7114   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7115   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7116   custom_element_change_events[custom_element_change.direct_action] =
7117     custom_element_change_events[CE_BY_DIRECT_ACTION];
7118
7119   /* set other element action change event from checkbox and selectbox */
7120   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7121   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7122   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7123   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7124   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7125   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7126   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7127   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7128   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7129   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7130   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7131   custom_element_change_events[CE_HITTING_X] = FALSE;
7132   custom_element_change_events[CE_DIGGING_X] = FALSE;
7133   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7134   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7135   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7136   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7137   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7138   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7139   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7140   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7141   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7142   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7143   custom_element_change_events[custom_element_change.other_action] =
7144     custom_element_change_events[CE_BY_OTHER_ACTION];
7145
7146   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7147     SET_PROPERTY(element, i, custom_element_properties[i]);
7148
7149   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7150     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7151
7152   /* copy change events also to special level editor variable */
7153   custom_element = element_info[element];
7154   custom_element_change = *element_info[element].change;
7155 }
7156
7157 static void CopyGroupElementPropertiesToGame(int element)
7158 {
7159   element_info[element] = custom_element;
7160   *element_info[element].group = group_element_info;
7161
7162   /* mark that this group element has been modified */
7163   element_info[element].modified_settings = TRUE;
7164   level.changed = TRUE;
7165 }
7166
7167 static void CopyClassicElementPropertiesToGame(int element)
7168 {
7169   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7170     setMoveIntoAcidProperty(&level, element,
7171                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7172
7173   if (MAYBE_DONT_COLLIDE_WITH(element))
7174     setDontCollideWithProperty(&level, element,
7175                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7176 }
7177
7178 static void CopyElementPropertiesToGame(int element)
7179 {
7180   if (IS_CUSTOM_ELEMENT(element))
7181     CopyCustomElementPropertiesToGame(element);
7182   else if (IS_GROUP_ELEMENT(element))
7183     CopyGroupElementPropertiesToGame(element);
7184   else
7185     CopyClassicElementPropertiesToGame(element);
7186 }
7187
7188 void CheckElementDescriptions()
7189 {
7190   int i;
7191
7192   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7193     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7194       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7195 }
7196
7197 void DrawLevelEd()
7198 {
7199   StopAnimation();
7200
7201   CloseDoor(DOOR_CLOSE_ALL);
7202
7203 #if 1
7204   FadeOut(REDRAW_FIELD);
7205 #endif
7206
7207   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
7208
7209 #if DEBUG
7210   CheckElementDescriptions();
7211 #endif
7212
7213   if (level_editor_test_game)
7214   {
7215     CopyPlayfield(level.field, Feld);
7216     CopyPlayfield(FieldBackup, level.field);
7217
7218     level_editor_test_game = FALSE;
7219   }
7220   else
7221   {
7222     edit_mode = ED_MODE_DRAWING;
7223     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7224     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7225
7226     ResetUndoBuffer();
7227
7228     level_xpos = -1;
7229     level_ypos = -1;
7230   }
7231
7232   /* copy default editor door content to main double buffer */
7233   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7234              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
7235
7236   /* draw bigger door */
7237   DrawSpecialEditorDoor();
7238
7239   /* draw new control window */
7240   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7241              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7242
7243   redraw_mask |= REDRAW_ALL;
7244
7245   ReinitializeElementList();            /* update dynamic level element list */
7246   ReinitializeElementListButtons();     /* custom element may look different */
7247
7248   InitElementPropertiesGfxElement();
7249
7250 #if 1
7251   UnmapAllGadgets();
7252 #else
7253   UnmapTapeButtons();
7254 #endif
7255   MapControlButtons();
7256
7257 #if 0
7258   FadeOut(REDRAW_FIELD);
7259 #endif
7260
7261   DrawEditModeWindow();
7262
7263 #if 1
7264   FadeIn(REDRAW_FIELD);
7265 #endif
7266
7267   /* copy actual editor door content to door double buffer for OpenDoor() */
7268   BlitBitmap(drawto, bitmap_db_door,
7269              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7270
7271 #if 1
7272   /* draw new control window (with border) to window */
7273   redraw_mask |= REDRAW_ALL;
7274   BackToFront();
7275 #endif
7276
7277   OpenDoor(DOOR_OPEN_1);
7278 }
7279
7280 static void AdjustDrawingAreaGadgets()
7281 {
7282   int ed_xsize = lev_fieldx + 2;
7283   int ed_ysize = lev_fieldy + 2;
7284   int max_ed_fieldx = MAX_ED_FIELDX;
7285   int max_ed_fieldy = MAX_ED_FIELDY;
7286   boolean horizontal_scrollbar_needed;
7287   boolean vertical_scrollbar_needed;
7288   int x, y, width, height;
7289   int xoffset, yoffset;
7290
7291   /* check if we need any scrollbars */
7292   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7293   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7294
7295   /* check if we have a smaller editor field because of scrollbars */
7296   if (horizontal_scrollbar_needed)
7297     max_ed_fieldy = MAX_ED_FIELDY - 1;
7298   if (vertical_scrollbar_needed)
7299     max_ed_fieldx = MAX_ED_FIELDX - 1;
7300
7301   /* check again if we now need more scrollbars because of less space */
7302   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7303   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7304
7305   /* check if editor field gets even smaller after adding new scrollbars */
7306   if (horizontal_scrollbar_needed)
7307     max_ed_fieldy = MAX_ED_FIELDY - 1;
7308   if (vertical_scrollbar_needed)
7309     max_ed_fieldx = MAX_ED_FIELDX - 1;
7310
7311   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7312   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7313
7314   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7315                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7316                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7317                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7318                GDI_END);
7319
7320   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7321   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7322
7323   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7324   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7325
7326   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7327   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7328
7329   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7330   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7331
7332   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7333                GDI_WIDTH, width,
7334                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7335                GDI_END);
7336   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7337                GDI_HEIGHT, height,
7338                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7339                GDI_END);
7340 }
7341
7342 static void AdjustLevelScrollPosition()
7343 {
7344   if (level_xpos < -1)
7345     level_xpos = -1;
7346   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7347     level_xpos = lev_fieldx - ed_fieldx + 1;
7348   if (lev_fieldx < ed_fieldx - 2)
7349     level_xpos = -1;
7350
7351   if (level_ypos < -1)
7352     level_ypos = -1;
7353   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7354     level_ypos = lev_fieldy - ed_fieldy + 1;
7355   if (lev_fieldy < ed_fieldy - 2)
7356     level_ypos = -1;
7357 }
7358
7359 static void AdjustEditorScrollbar(int id)
7360 {
7361   struct GadgetInfo *gi = level_editor_gadget[id];
7362   int items_max, items_visible, item_position;
7363
7364   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7365   {
7366     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7367     items_visible = ed_fieldx;
7368     item_position = level_xpos + 1;
7369   }
7370   else
7371   {
7372     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7373     items_visible = ed_fieldy;
7374     item_position = level_ypos + 1;
7375   }
7376
7377   if (item_position > items_max - items_visible)
7378     item_position = items_max - items_visible;
7379
7380   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7381                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7382 }
7383
7384 static void AdjustElementListScrollbar()
7385 {
7386   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7387   int items_max, items_visible, item_position;
7388
7389   /* correct position of element list scrollbar */
7390   if (element_shift < 0)
7391     element_shift = 0;
7392   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7393     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7394
7395   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7396   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7397   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7398
7399   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7400                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7401                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7402 }
7403
7404 static void ModifyEditorCounterValue(int counter_id, int new_value)
7405 {
7406   int *counter_value = counterbutton_info[counter_id].value;
7407   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7408   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7409
7410   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7411
7412   if (counter_value != NULL)
7413     *counter_value = gi->textinput.number_value;
7414 }
7415
7416 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7417 {
7418   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7419   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7420
7421   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7422
7423   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7424       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7425   {
7426     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7427     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7428
7429     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7430     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7431   }
7432 }
7433
7434 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7435 {
7436   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7437   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7438   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7439
7440   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7441 }
7442
7443 static void ModifyEditorSelectboxOptions(int selectbox_id,
7444                                          struct ValueTextInfo *options)
7445 {
7446   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7447   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7448
7449   selectbox_info[selectbox_id].options = options;
7450
7451   /* set index to zero -- list may be shorter now (correct later, if needed) */
7452   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7453                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7454 }
7455
7456 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7457 {
7458   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7459   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7460
7461   drawingarea_info[drawingarea_id].area_xsize = xsize;
7462   drawingarea_info[drawingarea_id].area_ysize = ysize;
7463
7464   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7465 }
7466
7467 static void ModifyEditorElementList()
7468 {
7469   int i;
7470
7471   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7472   {
7473     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7474     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7475     struct GadgetDesign *gd = &gi->deco.design;
7476     int element = editor_elements[element_shift + i];
7477
7478     UnmapGadget(gi);
7479
7480     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7481     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7482
7483     MapGadget(gi);
7484   }
7485 }
7486
7487 static void PickDrawingElement(int button, int element)
7488 {
7489   if (button < 1 || button > 3)
7490     return;
7491
7492   if (button == 1)
7493   {
7494     new_element1 = element;
7495     DrawMiniGraphicExt(drawto,
7496                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7497                        el2edimg(new_element1));
7498   }
7499   else if (button == 2)
7500   {
7501     new_element2 = element;
7502     DrawMiniGraphicExt(drawto,
7503                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7504                        el2edimg(new_element2));
7505   }
7506   else
7507   {
7508     new_element3 = element;
7509     DrawMiniGraphicExt(drawto,
7510                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7511                        el2edimg(new_element3));
7512   }
7513
7514   redraw_mask |= REDRAW_DOOR_1;
7515 }
7516
7517 static void RedrawDrawingElements()
7518 {
7519   PickDrawingElement(1, new_element1);
7520   PickDrawingElement(2, new_element2);
7521   PickDrawingElement(3, new_element3);
7522 }
7523
7524 static void DrawDrawingWindow()
7525 {
7526   stick_element_properties_window = FALSE;
7527
7528   SetMainBackgroundImage(IMG_UNDEFINED);
7529   ClearField();
7530
7531   UnmapLevelEditorWindowGadgets();
7532   UnmapLevelEditorToolboxCustomGadgets();
7533
7534   AdjustDrawingAreaGadgets();
7535   AdjustLevelScrollPosition();
7536   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7537   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7538
7539   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7540
7541   MapMainDrawingArea();
7542   MapLevelEditorToolboxDrawingGadgets();
7543 }
7544
7545 static int getTabulatorBarWidth()
7546 {
7547   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7548   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7549
7550   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7551 }
7552
7553 static void DrawLevelInfoTabulatorGadgets()
7554 {
7555   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7556   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7557   int gd_x = gd->x + gd_gi1->border.width / 2;
7558   int gd_y = gd->y + gd_gi1->height - 1;
7559   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7560   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7561   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7562 #if 1
7563 #else
7564   int max_tabs = 2;
7565 #endif
7566   int i;
7567
7568   for (i = id_first; i <= id_last; i++)
7569   {
7570     int gadget_id = textbutton_info[i].gadget_id;
7571     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7572     boolean active = (i != edit_mode_levelinfo);
7573
7574     /* draw background line below tabulator button */
7575     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7576
7577     /* draw solid line below inactive tabulator buttons */
7578     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7579       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7580
7581     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7582     MapTextbuttonGadget(i);
7583   }
7584
7585 #if 1
7586   /* draw little border line below tabulator buttons */
7587   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7588     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7589                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7590                   tab_color);
7591 #else
7592   /* draw little border line below tabulator buttons */
7593   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7594     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7595                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7596                   ED_GADGET_DISTANCE, tab_color);
7597 #endif
7598 }
7599
7600 static void DrawPropertiesTabulatorGadgets()
7601 {
7602   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7603   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7604   int gd_x = gd->x + gd_gi1->border.width / 2;
7605   int gd_y = gd->y + gd_gi1->height - 1;
7606   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7607   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7608   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7609 #if 1
7610 #else
7611   int max_tabs = 4;
7612 #endif
7613   int i;
7614
7615   /* draw two config tabulators for player elements */
7616   if (ELEM_IS_PLAYER(properties_element))
7617     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7618
7619   /* draw two config and one "change" tabulator for custom elements */
7620   if (IS_CUSTOM_ELEMENT(properties_element))
7621     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7622
7623   for (i = id_first; i <= id_last; i++)
7624   {
7625     int gadget_id = textbutton_info[i].gadget_id;
7626     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7627     boolean active = (i != edit_mode_properties);
7628
7629     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7630     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7631         (ELEM_IS_PLAYER(properties_element) ||
7632          IS_CUSTOM_ELEMENT(properties_element)))
7633       continue;
7634
7635     /* draw background line below tabulator button */
7636     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7637
7638     /* draw solid line below inactive tabulator buttons */
7639     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7640       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7641
7642     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7643     MapTextbuttonGadget(i);
7644   }
7645
7646 #if 1
7647   /* draw little border line below tabulator buttons */
7648   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7649     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7650                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7651                   tab_color);
7652 #else
7653   /* draw little border line below tabulator buttons */
7654   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7655     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7656                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7657                   ED_GADGET_DISTANCE, tab_color);
7658 #endif
7659 }
7660
7661 static void DrawLevelInfoLevel()
7662 {
7663   int i;
7664
7665   /* draw counter gadgets */
7666   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7667     MapCounterButtons(i);
7668
7669   /* draw selectbox gadgets */
7670   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7671     MapSelectboxGadget(i);
7672
7673   /* draw text input gadgets */
7674   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7675     MapTextInputGadget(i);
7676 }
7677
7678 static void DrawLevelInfoEditor()
7679 {
7680   int i;
7681
7682   /* draw counter gadgets */
7683   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7684     MapCounterButtons(i);
7685
7686   /* draw checkbutton gadgets */
7687   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7688     MapCheckbuttonGadget(i);
7689
7690   /* draw radiobutton gadgets */
7691   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7692     MapRadiobuttonGadget(i);
7693
7694   /* draw drawing area */
7695   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7696 }
7697
7698 static void DrawLevelInfoWindow()
7699 {
7700   stick_element_properties_window = FALSE;
7701
7702   UnmapLevelEditorWindowGadgets();
7703
7704   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7705   ClearField();
7706
7707 #if 1
7708 #if 1
7709   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7710 #else
7711   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Level Settings");
7712   DrawTextSCentered(ED_SETTINGS2_YPOS, FONT_TITLE_1, "Editor Settings");
7713 #endif
7714 #else
7715   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7716            "Level Settings", FONT_TITLE_1);
7717   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
7718            "Editor Settings", FONT_TITLE_1);
7719 #endif
7720
7721   DrawLevelInfoTabulatorGadgets();
7722
7723   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7724     DrawLevelInfoLevel();
7725   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7726     DrawLevelInfoEditor();
7727 }
7728
7729 static void DrawCustomContentArea()
7730 {
7731   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7732   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7733   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7734   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7735   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7736   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7737
7738   /* add distance for potential left text (without drawing area border) */
7739   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7740
7741   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7742
7743   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7744 }
7745
7746 static void DrawCustomChangeContentArea()
7747 {
7748   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7749   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7750   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7751   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7752   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7753   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7754
7755   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7756
7757   MapDrawingArea(id);
7758 }
7759
7760 static void DrawYamYamContentAreas()
7761 {
7762   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7763   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7764   int i;
7765
7766   /* display counter to choose number of element content areas */
7767   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7768
7769   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7770   {
7771     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7772
7773     if (i < level.num_yamyam_contents)
7774     {
7775       MapDrawingArea(id);
7776     }
7777     else
7778     {
7779       int font_height = getFontHeight(FONT_TEXT_1);
7780
7781       UnmapDrawingArea(id);
7782
7783       /* delete content areas in case of reducing number of them */
7784       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7785                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7786                      4 * MINI_TILEX,
7787                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7788     }
7789   }
7790
7791   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7792   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7793   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7794 }
7795
7796 static void DrawMagicBallContentAreas()
7797 {
7798   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7799   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7800   int i;
7801
7802   /* display counter to choose number of element content areas */
7803   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7804
7805   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7806   {
7807     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7808
7809     if (i < level.num_ball_contents)
7810     {
7811       MapDrawingArea(id);
7812     }
7813     else
7814     {
7815       int font_height = getFontHeight(FONT_TEXT_1);
7816
7817       UnmapDrawingArea(id);
7818
7819       /* delete content areas in case of reducing number of them */
7820       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7821                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7822                      4 * MINI_TILEX,
7823                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7824     }
7825   }
7826
7827   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
7828   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
7829   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
7830 }
7831
7832 static void DrawAndroidElementArea(int element)
7833 {
7834   int num_elements = level.num_android_clone_elements;
7835   int id = ED_DRAWING_ID_ANDROID_CONTENT;
7836   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7837   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7838   int xsize = MAX_ANDROID_ELEMENTS;
7839   int ysize = 1;
7840
7841   /* display counter to choose number of element areas */
7842   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
7843
7844   if (drawingarea_info[id].text_left != NULL)
7845     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7846
7847   UnmapDrawingArea(id);
7848
7849   ModifyEditorDrawingArea(id, num_elements, 1);
7850
7851   /* delete content areas in case of reducing number of them */
7852   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7853
7854   MapDrawingArea(id);
7855 }
7856
7857 static void DrawGroupElementArea(int element)
7858 {
7859   int num_elements = group_element_info.num_elements;
7860   int id = ED_DRAWING_ID_GROUP_CONTENT;
7861   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7862   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7863   int xsize = MAX_ELEMENTS_IN_GROUP;
7864   int ysize = 1;
7865
7866   if (drawingarea_info[id].text_left != NULL)
7867     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7868
7869   UnmapDrawingArea(id);
7870
7871   ModifyEditorDrawingArea(id, num_elements, 1);
7872
7873   /* delete content areas in case of reducing number of them */
7874   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7875
7876   MapDrawingArea(id);
7877 }
7878
7879 static void DrawPlayerInitialInventoryArea(int element)
7880 {
7881   int player_nr = GET_PLAYER_NR(element);
7882   int num_elements = level.initial_inventory_size[player_nr];
7883   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
7884   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7885   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7886   int xsize = MAX_INITIAL_INVENTORY_SIZE;
7887   int ysize = 1;
7888
7889   /* determine horizontal position to the right of specified gadget */
7890   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
7891     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
7892            ED_DRAWINGAREA_TEXT_DISTANCE);
7893
7894   /* determine horizontal offset for leading text */
7895   if (drawingarea_info[id].text_left != NULL)
7896     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7897
7898   UnmapDrawingArea(id);
7899
7900   ModifyEditorDrawingArea(id, num_elements, 1);
7901
7902   /* delete content areas in case of reducing number of them */
7903   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7904
7905   MapDrawingArea(id);
7906 }
7907
7908 static void DrawEnvelopeTextArea(int envelope_nr)
7909 {
7910   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
7911   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7912
7913   UnmapGadget(gi);
7914   DrawBackground(gi->x, gi->y, gi->width, gi->height);
7915
7916   if (envelope_nr != -1)
7917     textarea_info[id].value = level.envelope[envelope_nr].text;
7918
7919   ModifyGadget(gi, GDI_AREA_SIZE,
7920                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
7921                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
7922                GDI_END);
7923
7924   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
7925 }
7926
7927 static boolean PrintInfoText(char *text, int font_nr, int start_line)
7928 {
7929   int font_height = getFontHeight(font_nr);
7930   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7931   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7932   int sx = SX + pad_x;
7933   int sy = SY + pad_y;
7934   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
7935
7936   if (start_line >= max_lines_per_screen)
7937     return FALSE;
7938
7939   DrawText(sx, sy + start_line * font_height, text, font_nr);
7940
7941   return TRUE;
7942 }
7943
7944 static int PrintElementDescriptionFromFile(char *filename, int start_line)
7945 {
7946   int font_nr = FONT_TEXT_2;
7947   int font_width = getFontWidth(font_nr);
7948   int font_height = getFontHeight(font_nr);
7949   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7950   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7951   int sx = SX + pad_x;
7952   int sy = SY + pad_y + start_line * font_height;
7953   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
7954   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
7955
7956   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
7957                       max_lines_per_screen, -1, TRUE, FALSE, FALSE);
7958 }
7959
7960 static void DrawPropertiesInfo()
7961 {
7962   static struct
7963   {
7964     int value;
7965     char *text;
7966   }
7967   properties[] =
7968   {
7969     /* configurable properties */
7970
7971     { EP_WALKABLE_OVER,         "- player can walk over it"             },
7972     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
7973     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
7974     { EP_PASSABLE_OVER,         "- player can pass over it"             },
7975     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
7976     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
7977     { EP_PROTECTED,             "- player is protected by it"           },
7978
7979     { EP_DIGGABLE,              "- can be digged away"                  },
7980     { EP_COLLECTIBLE,           "- can be collected"                    },
7981     { EP_DROPPABLE,             "- can be dropped after collecting"     },
7982     { EP_THROWABLE,             "- can be thrown after collecting"      },
7983     { EP_PUSHABLE,              "- can be pushed"                       },
7984
7985     { EP_CAN_FALL,              "- can fall"                            },
7986     { EP_CAN_MOVE,              "- can move"                            },
7987
7988     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
7989 #if 0
7990     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
7991 #endif
7992     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
7993
7994     { EP_SLIPPERY,              "- slippery for falling elements"       },
7995     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
7996
7997     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
7998     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
7999     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8000     { EP_DONT_TOUCH,            "- deadly when touching"                },
8001
8002     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8003
8004     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8005     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8006     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8007
8008     { EP_CAN_CHANGE,            "- can change to other element"         },
8009
8010     /* pre-defined properties */
8011     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8012     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8013     { EP_SWITCHABLE,            "- can be switched"                     },
8014 #if 0
8015     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8016 #endif
8017
8018     { -1,                       NULL                                    }
8019   };
8020   char *filename = getElementDescriptionFilename(properties_element);
8021   char *percentage_text = "In this level:";
8022   char *properties_text = "Standard properties:";
8023   float percentage;
8024   int num_elements_in_level;
8025   int num_standard_properties = 0;
8026   int font1_nr = FONT_TEXT_1;
8027   int font2_nr = FONT_TEXT_2;
8028   int font1_width = getFontWidth(font1_nr);
8029   int font2_height = getFontHeight(font2_nr);
8030   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8031   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8032   int screen_line = 0;
8033   int i, x, y;
8034
8035   if (setup.editor.show_element_token)
8036   {
8037     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8038               "[%s]", element_info[properties_element].token_name);
8039     screen_line++;
8040   }
8041
8042   /* ----- print number of elements / percentage of this element in level */
8043
8044   num_elements_in_level = 0;
8045   for (y = 0; y < lev_fieldy; y++)
8046     for (x = 0; x < lev_fieldx; x++)
8047       if (Feld[x][y] == properties_element)
8048         num_elements_in_level++;
8049   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8050
8051   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8052             percentage_text);
8053   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8054             pad_y + screen_line++ * font2_height, font2_nr,
8055             "%d (%.2f%%)", num_elements_in_level, percentage);
8056
8057   screen_line++;
8058
8059   /* ----- print standard properties of this element */
8060
8061   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8062             properties_text);
8063
8064   for (i = 0; properties[i].value != -1; i++)
8065   {
8066     if (!HAS_PROPERTY(properties_element, properties[i].value))
8067       continue;
8068
8069     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8070               properties[i].text);
8071     num_standard_properties++;
8072   }
8073
8074   if (num_standard_properties == 0)
8075     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8076               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8077
8078   screen_line++;
8079
8080   /* ----- print special description of this element */
8081
8082   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8083   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8084     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8085 }
8086
8087 #define TEXT_COLLECTING         "Score for collecting"
8088 #define TEXT_SMASHING           "Score for smashing"
8089 #define TEXT_SLURPING           "Score for slurping robot"
8090 #define TEXT_CRACKING           "Score for cracking"
8091 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8092 #define TEXT_DURATION           "Duration when activated"
8093 #define TEXT_BALL_DELAY         "Element generation delay"
8094 #define TEXT_MOVE_SPEED         "Speed of android moving"
8095 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8096 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8097 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8098 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8099 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8100 #define TEXT_TIME_BONUS         "Extra time to solve level"
8101
8102 static struct
8103 {
8104   int element;
8105   int *value;
8106   char *text;
8107 } elements_with_counter[] =
8108 {
8109   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8110   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8111   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8112   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8113   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8114   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8115   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8116   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8117   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8118   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8119   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8120   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8121   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8122   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8123   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8124   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8125   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8126   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8127   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8128   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8129   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8130   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8131   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8132   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8133   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8134   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8135   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8136   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8137   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8138   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8139   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8140   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8141   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8142   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8143   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8144   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8145   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8146   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8147   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8148   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8149   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8150   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8151   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8152   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8153   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8154   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8155   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8156   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8157   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8158   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8159   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8160   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8161   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8162   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8163   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8164   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8165   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8166   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8167   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8168   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8169   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8170   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8171   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8172   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8173   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8174   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8175   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8176   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8177   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8178   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8179   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8180   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8181   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8182   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8183
8184   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8185   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8186   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8187   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8188   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8189   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8190   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8191   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8192   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8193   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8194   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8195   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8196   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8197   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8198   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8199   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8200
8201   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8202   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8203   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8204   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8205   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8206   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8207   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8208   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8209
8210   { -1,                 NULL,                           NULL            }
8211 };
8212
8213 static boolean checkPropertiesConfig(int element)
8214 {
8215   int i;
8216
8217   if (IS_GEM(element) ||
8218       IS_CUSTOM_ELEMENT(element) ||
8219       IS_GROUP_ELEMENT(element) ||
8220       IS_ENVELOPE(element) ||
8221       ELEM_IS_PLAYER(element) ||
8222       HAS_EDITOR_CONTENT(element) ||
8223       CAN_GROW(element) ||
8224       COULD_MOVE_INTO_ACID(element) ||
8225       MAYBE_DONT_COLLIDE_WITH(element) ||
8226       element == EL_SOKOBAN_OBJECT ||
8227       element == EL_SOKOBAN_FIELD_EMPTY ||
8228       element == EL_SOKOBAN_FIELD_FULL)
8229     return TRUE;
8230   else
8231     for (i = 0; elements_with_counter[i].element != -1; i++)
8232       if (elements_with_counter[i].element == element)
8233         return TRUE;
8234
8235   return FALSE;
8236 }
8237
8238 static void DrawPropertiesConfig()
8239 {
8240   int max_num_element_counters = 4;
8241   int num_element_counters = 0;
8242   int i;
8243
8244   if (!checkPropertiesConfig(properties_element))
8245   {
8246     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8247
8248     return;
8249   }
8250
8251   /* check if there are elements where a value can be chosen for */
8252   for (i = 0; elements_with_counter[i].element != -1; i++)
8253   {
8254     if (elements_with_counter[i].element == properties_element)
8255     {
8256       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8257
8258       counterbutton_info[counter_id].y =
8259         ED_ELEMENT_SETTINGS_YPOS(
8260                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8261                 (CAN_GROW(properties_element)                ? 1 : 0) +
8262                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8263                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8264                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8265                 num_element_counters);
8266
8267       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8268       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8269
8270       if (properties_element == EL_GAME_OF_LIFE ||
8271           properties_element == EL_BIOMAZE)
8272       {
8273         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8274         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8275       }
8276       else
8277       {
8278         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8279         counterbutton_info[counter_id].min_value = MIN_SCORE;
8280         counterbutton_info[counter_id].max_value = MAX_SCORE;
8281       }
8282
8283       MapCounterButtons(counter_id);
8284
8285       num_element_counters++;
8286       if (num_element_counters >= max_num_element_counters)
8287         break;
8288     }
8289   }
8290
8291   if (HAS_EDITOR_CONTENT(properties_element))
8292   {
8293     /* draw stickybutton gadget */
8294     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8295
8296     if (IS_AMOEBOID(properties_element))
8297       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8298     else if (properties_element == EL_YAMYAM ||
8299              properties_element == EL_YAMYAM_LEFT ||
8300              properties_element == EL_YAMYAM_RIGHT ||
8301              properties_element == EL_YAMYAM_UP ||
8302              properties_element == EL_YAMYAM_DOWN)
8303       DrawYamYamContentAreas();
8304     else if (properties_element == EL_EMC_MAGIC_BALL)
8305     {
8306       DrawMagicBallContentAreas();
8307
8308       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8309       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8310     }
8311     else if (properties_element == EL_EMC_ANDROID)
8312       DrawAndroidElementArea(properties_element);
8313   }
8314
8315   if (ELEM_IS_PLAYER(properties_element))
8316   {
8317     int player_nr = GET_PLAYER_NR(properties_element);
8318
8319     /* these properties can be set for every player individually */
8320
8321     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8322     {
8323       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8324         &level.start_element[player_nr];
8325       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8326         &level.artwork_element[player_nr];
8327       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8328         &level.explosion_element[player_nr];
8329
8330       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8331         &level.use_start_element[player_nr];
8332       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8333         &level.use_artwork_element[player_nr];
8334       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8335         &level.use_explosion_element[player_nr];
8336       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8337         &level.initial_player_gravity[player_nr];
8338
8339       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8340         &level.initial_player_stepsize[player_nr];
8341
8342       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8343       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8344                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8345                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8346       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8347       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8348       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8349       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8350       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8351       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8352       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8353       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8354       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8355
8356       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8357       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8358       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8359
8360       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8361     }
8362     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8363     {
8364       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8365         &level.initial_inventory_content[player_nr][0];
8366
8367       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8368         &level.initial_inventory_size[player_nr];
8369
8370       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8371         &level.use_initial_inventory[player_nr];
8372
8373       /* draw checkbutton gadgets */
8374       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8375
8376       /* draw counter gadgets */
8377       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8378
8379       /* draw drawing area gadgets */
8380       DrawPlayerInitialInventoryArea(properties_element);
8381     }
8382   }
8383
8384   if (IS_GEM(properties_element))
8385     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8386
8387   if (properties_element == EL_EM_DYNAMITE)
8388     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8389
8390   if (COULD_MOVE_INTO_ACID(properties_element) &&
8391       !ELEM_IS_PLAYER(properties_element) &&
8392       (!IS_CUSTOM_ELEMENT(properties_element) ||
8393        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8394   {
8395     /* set position for checkbutton for "can move into acid" */
8396     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8397       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8398     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8399       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8400                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8401
8402     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8403   }
8404
8405   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8406     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8407
8408   if (properties_element == EL_SPRING)
8409     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8410
8411   if (properties_element == EL_TIME_ORB_FULL)
8412     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8413
8414   if (CAN_GROW(properties_element))
8415   {
8416     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8417       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8418
8419     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8420   }
8421
8422   if (properties_element == EL_SOKOBAN_OBJECT ||
8423       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8424       properties_element == EL_SOKOBAN_FIELD_FULL)
8425     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8426
8427   if (IS_ENVELOPE(properties_element))
8428   {
8429     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8430     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8431     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8432     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8433     int envelope_nr = properties_element - EL_ENVELOPE_1;
8434
8435     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8436     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8437
8438     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8439     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8440
8441     /* display counter to choose size of envelope text area */
8442     MapCounterButtons(counter1_id);
8443     MapCounterButtons(counter2_id);
8444
8445     /* display checkbuttons to choose auto-wrap and alignment properties */
8446     MapCheckbuttonGadget(button1_id);
8447     MapCheckbuttonGadget(button2_id);
8448
8449     DrawEnvelopeTextArea(envelope_nr);
8450   }
8451
8452   if (IS_CUSTOM_ELEMENT(properties_element))
8453   {
8454     /* draw stickybutton gadget */
8455     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8456
8457     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8458     {
8459       /* draw checkbutton gadgets */
8460       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8461            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8462         MapCheckbuttonGadget(i);
8463
8464       /* draw counter gadgets */
8465       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8466            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8467         MapCounterButtons(i);
8468
8469       /* draw selectbox gadgets */
8470       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8471            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8472         MapSelectboxGadget(i);
8473
8474       /* draw textbutton gadgets */
8475       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8476
8477       /* draw text input gadgets */
8478       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8479
8480       /* draw drawing area gadgets */
8481       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8482     }
8483     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8484     {
8485       /* draw checkbutton gadgets */
8486       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8487            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8488         MapCheckbuttonGadget(i);
8489
8490       /* draw counter gadgets */
8491       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8492            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8493         MapCounterButtons(i);
8494
8495       /* draw selectbox gadgets */
8496       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8497            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8498         MapSelectboxGadget(i);
8499
8500       /* draw drawing area gadgets */
8501       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8502       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8503       DrawCustomContentArea();
8504     }
8505   }
8506   else if (IS_GROUP_ELEMENT(properties_element))
8507   {
8508     /* draw stickybutton gadget */
8509     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8510
8511     /* draw checkbutton gadgets */
8512     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8513     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8514
8515     /* draw counter gadgets */
8516     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8517
8518     /* draw selectbox gadgets */
8519     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8520
8521     /* draw textbutton gadgets */
8522     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8523
8524     /* draw drawing area gadgets */
8525     DrawGroupElementArea(properties_element);
8526
8527     /* draw text input gadgets */
8528     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8529
8530     /* draw drawing area gadgets */
8531     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8532   }
8533 }
8534
8535 static void DrawPropertiesChangeDrawingAreas()
8536 {
8537   if (IS_CUSTOM_ELEMENT(properties_element))
8538   {
8539     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8540     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8541     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8542
8543     DrawCustomChangeContentArea();
8544   }
8545
8546   redraw_mask |= REDRAW_FIELD;
8547 }
8548
8549 static void DrawPropertiesChange()
8550 {
8551   int i;
8552
8553   /* needed to initially set selectbox options for special action options */
8554   setSelectboxSpecialActionOptions();
8555
8556   /* draw stickybutton gadget */
8557   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8558
8559   /* draw checkbutton gadgets */
8560   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8561        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8562     MapCheckbuttonGadget(i);
8563
8564   /* draw counter gadgets */
8565   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8566        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8567     MapCounterButtons(i);
8568
8569   /* draw selectbox gadgets */
8570   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8571        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8572     MapSelectboxGadget(i);
8573
8574   /* draw textbutton gadgets */
8575   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8576        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8577     MapTextbuttonGadget(i);
8578
8579   /* draw graphicbutton gadgets */
8580   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8581        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8582     MapGraphicbuttonGadget(i);
8583
8584   /* draw drawing area gadgets */
8585   DrawPropertiesChangeDrawingAreas();
8586 }
8587
8588 static void DrawEditorElementAnimation(int x, int y)
8589 {
8590   int graphic = el2img(properties_element);
8591   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8592                custom_element.ce_value_fixed_initial :
8593                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8594                custom_element.collect_score_initial : FrameCounter);
8595
8596   DrawGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8597 }
8598
8599 static void DrawEditorElementName(int x, int y, int element)
8600 {
8601   char *element_name = getElementInfoText(element);
8602   int font_nr = FONT_TEXT_1;
8603   int font_width = getFontWidth(font_nr);
8604   int font_height = getFontHeight(font_nr);
8605   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8606   int max_chars_per_line = max_text_width / font_width;
8607   char buffer[max_chars_per_line + 1];
8608
8609   if (strlen(element_name) <= max_chars_per_line)
8610     DrawTextS(x, y, font_nr, element_name);
8611   else
8612   {
8613     int next_pos = max_chars_per_line;
8614
8615     strncpy(buffer, element_name, max_chars_per_line);
8616     buffer[max_chars_per_line] = '\0';
8617
8618     if (element_name[max_chars_per_line] == ' ')
8619       next_pos++;
8620     else
8621     {
8622       int i;
8623
8624       for (i = max_chars_per_line - 1; i >= 0; i--)
8625         if (buffer[i] == ' ')
8626           break;
8627
8628       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8629       {
8630         buffer[i] = '\0';
8631         next_pos = i + 1;
8632       }
8633     }
8634
8635     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8636
8637     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8638     buffer[max_chars_per_line] = '\0';
8639
8640     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8641   }
8642 }
8643
8644 static void DrawPropertiesWindow()
8645 {
8646   int xstart = 2;
8647   int ystart = 4;
8648
8649   stick_element_properties_window = FALSE;
8650
8651   /* make sure that previous properties edit mode exists for this element */
8652   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8653       !IS_CUSTOM_ELEMENT(properties_element))
8654     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8655
8656   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8657       !ELEM_IS_PLAYER(properties_element) &&
8658       !IS_CUSTOM_ELEMENT(properties_element))
8659     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8660
8661   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8662       (ELEM_IS_PLAYER(properties_element) ||
8663        IS_CUSTOM_ELEMENT(properties_element)))
8664     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8665
8666   CopyElementPropertiesToEditor(properties_element);
8667
8668   UnmapLevelEditorWindowGadgets();
8669   UnmapLevelEditorToolboxDrawingGadgets();
8670   UnmapLevelEditorToolboxCustomGadgets();
8671
8672   if (IS_CUSTOM_ELEMENT(properties_element) ||
8673       IS_GROUP_ELEMENT(properties_element))
8674     MapLevelEditorToolboxCustomGadgets();
8675
8676   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8677   ClearField();
8678
8679 #if 1
8680   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8681 #else
8682   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
8683            "Element Settings", FONT_TITLE_1);
8684 #endif
8685
8686   FrameCounter = 0;     /* restart animation frame counter */
8687
8688   DrawElementBorder(SX + xstart * MINI_TILEX,
8689                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8690                     TILEX, TILEY, FALSE);
8691
8692   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8693                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8694
8695   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8696                         (ystart + 1) * MINI_TILEY + 1,
8697                         properties_element);
8698
8699   DrawPropertiesTabulatorGadgets();
8700
8701   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8702     DrawPropertiesInfo();
8703   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8704     DrawPropertiesChange();
8705   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8706     DrawPropertiesConfig();
8707 }
8708
8709 static void UpdateCustomElementGraphicGadgets()
8710 {
8711   struct ElementInfo *ei = &element_info[properties_element];
8712   int i;
8713
8714   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8715                      properties_element);
8716
8717   ModifyEditorElementList();
8718   RedrawDrawingElements();
8719
8720   /* force redraw of all mapped drawing area gadgets */
8721   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8722   {
8723     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8724
8725     if (gi->mapped)
8726       MapDrawingArea(i);
8727   }
8728 }
8729
8730 static int getOpenDirectionFromTube(int element)
8731 {
8732   switch (element)
8733   {
8734     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8735     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8736     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8737     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8738     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8739     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8740     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8741     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8742     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8743     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8744     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8745   }
8746
8747   return MV_NONE;
8748 }
8749
8750 static int getTubeFromOpenDirection(int direction)
8751 {
8752   switch (direction)
8753   {
8754     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8755     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8756     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8757     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8758     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8759     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8760     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8761     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8762     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8763     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8764     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8765
8766     /* if only one direction, fall back to simple tube with that direction */
8767     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8768     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8769     case (MV_UP):                       return EL_TUBE_VERTICAL;
8770     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8771   }
8772
8773   return EL_EMPTY;
8774 }
8775
8776 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8777 {
8778   int element_new = getTubeFromOpenDirection(direction);
8779
8780   return (element_new != EL_EMPTY ? element_new : element_old);
8781 }
8782
8783 static int getOpenDirectionFromBelt(int element)
8784 {
8785   int belt_dir = getBeltDirFromBeltElement(element);
8786
8787   return (belt_dir == MV_LEFT ? MV_RIGHT :
8788           belt_dir == MV_RIGHT ? MV_LEFT :
8789           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8790 }
8791
8792 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8793 {
8794   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8795                   direction == MV_RIGHT ? MV_LEFT :
8796                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8797
8798   if (direction == MV_NONE)
8799     return EL_EMPTY;
8800
8801   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8802 }
8803
8804 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8805                                                  int element_old)
8806 {
8807   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8808
8809   return (element_new != EL_EMPTY ? element_new : element_old);
8810 }
8811
8812 static int getOpenDirectionFromPool(int element)
8813 {
8814   switch (element)
8815   {
8816     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
8817     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
8818     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
8819     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
8820     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
8821     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
8822   }
8823
8824   return MV_NONE;
8825 }
8826
8827 static int getPoolFromOpenDirection(int direction)
8828 {
8829   switch (direction)
8830   {
8831     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
8832     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
8833     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
8834     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
8835     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
8836     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
8837   }
8838
8839   return EL_EMPTY;
8840 }
8841
8842 static int getPoolFromOpenDirectionExt(int direction, int help_element)
8843 {
8844   int element = getPoolFromOpenDirection(direction);
8845   int help_direction = getOpenDirectionFromPool(help_element);
8846
8847   if (element == EL_EMPTY)
8848   {
8849     int help_direction_vertical = help_direction & MV_VERTICAL;
8850
8851     element = getPoolFromOpenDirection(direction | help_direction_vertical);
8852   }
8853
8854   if (element == EL_EMPTY)
8855   {
8856     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
8857
8858     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
8859   }
8860
8861   return element;
8862 }
8863
8864 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
8865 {
8866   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
8867
8868   return (element_new != EL_EMPTY ? element_new : element_old);
8869 }
8870
8871 static int getOpenDirectionFromPillar(int element)
8872 {
8873   switch (element)
8874   {
8875     case EL_EMC_WALL_1:                 return (MV_DOWN);
8876     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
8877     case EL_EMC_WALL_3:                 return (MV_UP);
8878   }
8879
8880   return MV_NONE;
8881 }
8882
8883 static int getPillarFromOpenDirection(int direction)
8884 {
8885   switch (direction)
8886   {
8887     case (MV_DOWN):                     return EL_EMC_WALL_1;
8888     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
8889     case (MV_UP):                       return EL_EMC_WALL_3;
8890   }
8891
8892   return EL_EMPTY;
8893 }
8894
8895 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
8896 {
8897   int element_new = getPillarFromOpenDirection(direction);
8898
8899   return (element_new != EL_EMPTY ? element_new : element_old);
8900 }
8901
8902 static int getOpenDirectionFromSteel2(int element)
8903 {
8904   switch (element)
8905   {
8906     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
8907     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
8908     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
8909     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
8910     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
8911     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
8912     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
8913     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
8914   }
8915
8916   return MV_NONE;
8917 }
8918
8919 static int getSteel2FromOpenDirection(int direction)
8920 {
8921   switch (direction)
8922   {
8923     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
8924     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
8925     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
8926     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
8927     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
8928     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
8929     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
8930     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
8931   }
8932
8933   return EL_EMPTY;
8934 }
8935
8936 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
8937 {
8938   int element_new = getSteel2FromOpenDirection(direction);
8939
8940   return (element_new != EL_EMPTY ? element_new : element_old);
8941 }
8942
8943 static int getOpenDirectionFromChip(int element)
8944 {
8945   switch (element)
8946   {
8947     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
8948     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
8949     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
8950     case EL_SP_CHIP_TOP:                return (MV_DOWN);
8951     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
8952   }
8953
8954   return MV_NONE;
8955 }
8956
8957 static int getChipFromOpenDirection(int direction)
8958 {
8959   switch (direction)
8960   {
8961     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
8962     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
8963     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
8964     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
8965     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
8966   }
8967
8968   return EL_EMPTY;
8969 }
8970
8971 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
8972 {
8973   int element_new = getChipFromOpenDirection(direction);
8974
8975   return (element_new != EL_EMPTY ? element_new : element_old);
8976 }
8977
8978 static int getClosedTube(int x, int y)
8979 {
8980   static int xy[4][2] =
8981   {
8982     { -1, 0 },
8983     { +1, 0 },
8984     { 0, -1 },
8985     { 0, +1 }
8986   };
8987   int element_old = IntelliDrawBuffer[x][y];
8988   int direction_old = getOpenDirectionFromTube(element_old);
8989   int direction_new = MV_NONE;
8990   int i;
8991
8992   for (i = 0; i < NUM_DIRECTIONS; i++)
8993   {
8994     int xx = x + xy[i][0];
8995     int yy = y + xy[i][1];
8996     int dir = MV_DIR_FROM_BIT(i);
8997     int dir_opposite = MV_DIR_OPPOSITE(dir);
8998
8999     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9000         (direction_old & dir) &&
9001         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9002       direction_new |= dir;
9003   }
9004
9005   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9006 }
9007
9008 static int getClosedBelt(int x, int y)
9009 {
9010   static int xy[4][2] =
9011   {
9012     { -1, 0 },
9013     { +1, 0 },
9014     { 0, -1 },
9015     { 0, +1 }
9016   };
9017   int element_old = IntelliDrawBuffer[x][y];
9018   int nr = getBeltNrFromBeltElement(element_old);
9019   int direction_old = getOpenDirectionFromBelt(element_old);
9020   int direction_new = MV_NONE;
9021   int i;
9022
9023   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9024   {
9025     int xx = x + xy[i][0];
9026     int yy = y + xy[i][1];
9027     int dir = MV_DIR_FROM_BIT(i);
9028     int dir_opposite = MV_DIR_OPPOSITE(dir);
9029
9030     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9031         (direction_old & dir) &&
9032         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9033       direction_new |= dir;
9034   }
9035
9036   return getBeltFromNrAndOpenDirection(nr, direction_new);
9037 }
9038
9039 static int getClosedPool(int x, int y)
9040 {
9041   static int xy[4][2] =
9042   {
9043     { -1, 0 },
9044     { +1, 0 },
9045     { 0, -1 },
9046     { 0, +1 }
9047   };
9048   int element_old = IntelliDrawBuffer[x][y];
9049   int direction_old = getOpenDirectionFromPool(element_old);
9050   int direction_new = MV_NONE;
9051   int i;
9052
9053   for (i = 0; i < NUM_DIRECTIONS; i++)
9054   {
9055     int xx = x + xy[i][0];
9056     int yy = y + xy[i][1];
9057     int dir = MV_DIR_FROM_BIT(i);
9058     int dir_opposite = MV_DIR_OPPOSITE(dir);
9059
9060     if (IN_LEV_FIELD(xx, yy) &&
9061         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9062         (direction_old & dir) &&
9063         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9064       direction_new |= dir;
9065   }
9066
9067   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9068 }
9069
9070 static int getClosedPillar(int x, int y)
9071 {
9072   static int xy[4][2] =
9073   {
9074     { -1, 0 },
9075     { +1, 0 },
9076     { 0, -1 },
9077     { 0, +1 }
9078   };
9079   int element_old = IntelliDrawBuffer[x][y];
9080   int direction_old = getOpenDirectionFromPillar(element_old);
9081   int direction_new = MV_NONE;
9082   int i;
9083
9084   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9085   {
9086     int xx = x + xy[i][0];
9087     int yy = y + xy[i][1];
9088     int dir = MV_DIR_FROM_BIT(i);
9089     int dir_opposite = MV_DIR_OPPOSITE(dir);
9090
9091     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9092         (direction_old & dir) &&
9093         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9094       direction_new |= dir;
9095   }
9096
9097   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9098 }
9099
9100 static int getClosedSteel2(int x, int y)
9101 {
9102   static int xy[4][2] =
9103   {
9104     { -1, 0 },
9105     { +1, 0 },
9106     { 0, -1 },
9107     { 0, +1 }
9108   };
9109   int element_old = IntelliDrawBuffer[x][y];
9110   int direction_old = getOpenDirectionFromSteel2(element_old);
9111   int direction_new = MV_NONE;
9112   int i;
9113
9114   for (i = 0; i < NUM_DIRECTIONS; i++)
9115   {
9116     int xx = x + xy[i][0];
9117     int yy = y + xy[i][1];
9118     int dir = MV_DIR_FROM_BIT(i);
9119     int dir_opposite = MV_DIR_OPPOSITE(dir);
9120
9121     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9122         (direction_old & dir) &&
9123         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9124       direction_new |= dir;
9125   }
9126
9127   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9128 }
9129
9130 static int getClosedChip(int x, int y)
9131 {
9132   static int xy[4][2] =
9133   {
9134     { -1, 0 },
9135     { +1, 0 },
9136     { 0, -1 },
9137     { 0, +1 }
9138   };
9139   int element_old = IntelliDrawBuffer[x][y];
9140   int direction_old = getOpenDirectionFromChip(element_old);
9141   int direction_new = MV_NONE;
9142   int i;
9143
9144   for (i = 0; i < NUM_DIRECTIONS; i++)
9145   {
9146     int xx = x + xy[i][0];
9147     int yy = y + xy[i][1];
9148     int dir = MV_DIR_FROM_BIT(i);
9149     int dir_opposite = MV_DIR_OPPOSITE(dir);
9150
9151     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9152         (direction_old & dir) &&
9153         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9154       direction_new |= dir;
9155   }
9156
9157   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9158 }
9159
9160 static void SetElementSimple(int x, int y, int element, boolean change_level)
9161 {
9162   int sx = x - level_xpos;
9163   int sy = y - level_ypos;
9164
9165   IntelliDrawBuffer[x][y] = element;
9166
9167   if (change_level)
9168     Feld[x][y] = element;
9169
9170   if (IN_ED_FIELD(sx, sy))
9171     DrawMiniElement(sx, sy, element);
9172 }
9173
9174 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9175                                            int x2, int y2, int *element2,
9176                                            int (*close_function)(int, int),
9177                                            boolean change_level)
9178 {
9179   /* set neighbour elements to newly determined connections */
9180   SetElementSimple(x1, y1, *element1, change_level);
9181   SetElementSimple(x2, y2, *element2, change_level);
9182
9183   /* remove all open connections of neighbour elements */
9184   *element1 = close_function(x1, y1);
9185   *element2 = close_function(x2, y2);
9186
9187   /* set neighbour elements to new, minimized connections */
9188   SetElementSimple(x1, y1, *element1, change_level);
9189   SetElementSimple(x2, y2, *element2, change_level);
9190 }
9191
9192 static void SetElementIntelliDraw(int x, int y, int new_element,
9193                                   boolean change_level, int button)
9194 {
9195   static int xy[4][2] =
9196   {
9197     { -1, 0 },
9198     { +1, 0 },
9199     { 0, -1 },
9200     { 0, +1 }
9201   };
9202   static int last_x = -1;
9203   static int last_y = -1;
9204   int old_element = IntelliDrawBuffer[x][y];
9205
9206   if (new_element == EL_UNDEFINED)
9207   {
9208     last_x = -1;
9209     last_y = -1;
9210
9211     return;
9212   }
9213
9214   if (IS_TUBE(new_element))
9215   {
9216     int last_element_new = EL_UNDEFINED;
9217     int direction = MV_NONE;
9218     int i;
9219
9220     /* if old element is of same kind, keep all existing directions */
9221     if (IS_TUBE(old_element))
9222       direction |= getOpenDirectionFromTube(old_element);
9223
9224     for (i = 0; i < NUM_DIRECTIONS; i++)
9225     {
9226       int xx = x + xy[i][0];
9227       int yy = y + xy[i][1];
9228
9229       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9230           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9231       {
9232         int dir = MV_DIR_FROM_BIT(i);
9233         int dir_opposite = MV_DIR_OPPOSITE(dir);
9234         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9235         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9236         int last_direction_new = last_direction_old | dir_opposite;
9237
9238         last_element_new = getTubeFromOpenDirection(last_direction_new);
9239
9240         direction |= dir;
9241       }
9242     }
9243
9244     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9245
9246     if (last_element_new != EL_UNDEFINED)
9247       MergeAndCloseNeighbourElements(x, y, &new_element,
9248                                      last_x, last_y, &last_element_new,
9249                                      getClosedTube, change_level);
9250   }
9251   else if (IS_BELT(new_element))
9252   {
9253     int belt_nr = getBeltNrFromBeltElement(new_element);
9254     int last_element_new = EL_UNDEFINED;
9255     int direction = MV_NONE;
9256     int i;
9257
9258     /* if old element is of same kind, keep all existing directions */
9259     if (IS_BELT(old_element))
9260       direction |= getOpenDirectionFromBelt(old_element);
9261
9262     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9263     {
9264       int xx = x + xy[i][0];
9265       int yy = y + xy[i][1];
9266
9267       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9268           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9269       {
9270         int dir = MV_DIR_FROM_BIT(i);
9271         int dir_opposite = MV_DIR_OPPOSITE(dir);
9272         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9273         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9274         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9275         int last_direction_new = last_direction_old | dir_opposite;
9276
9277         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9278                                                          last_direction_new);
9279         direction |= dir;
9280       }
9281     }
9282
9283     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9284                                                         new_element);
9285     if (last_element_new != EL_UNDEFINED)
9286       MergeAndCloseNeighbourElements(x, y, &new_element,
9287                                      last_x, last_y, &last_element_new,
9288                                      getClosedBelt, change_level);
9289   }
9290   else if (IS_ACID_POOL_OR_ACID(new_element))
9291   {
9292     int last_element_new = EL_UNDEFINED;
9293     int direction = MV_NONE;
9294     int i;
9295
9296     /* if old element is of same kind, keep all existing directions */
9297     if (IS_ACID_POOL_OR_ACID(old_element))
9298       direction |= getOpenDirectionFromPool(old_element);
9299
9300     for (i = 0; i < NUM_DIRECTIONS; i++)
9301     {
9302       int xx = x + xy[i][0];
9303       int yy = y + xy[i][1];
9304
9305       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9306           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9307       {
9308         int dir = MV_DIR_FROM_BIT(i);
9309         int dir_opposite = MV_DIR_OPPOSITE(dir);
9310         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9311         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9312         int last_direction_new = last_direction_old | dir_opposite;
9313
9314         last_element_new = getPoolFromOpenDirection(last_direction_new);
9315
9316         direction |= dir;
9317       }
9318     }
9319
9320     /* special corrections needed for intuitively correct acid pool drawing */
9321     if (last_element_new == EL_EMPTY)
9322       last_element_new = new_element;
9323     else if (last_element_new != EL_UNDEFINED)
9324       new_element = last_element_new;
9325
9326     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9327
9328     if (last_element_new != EL_UNDEFINED)
9329       MergeAndCloseNeighbourElements(x, y, &new_element,
9330                                      last_x, last_y, &last_element_new,
9331                                      getClosedPool, change_level);
9332   }
9333   else if (IS_EMC_PILLAR(new_element))
9334   {
9335     int last_element_new = EL_UNDEFINED;
9336     int direction = MV_NONE;
9337     int i;
9338
9339     /* if old element is of same kind, keep all existing directions */
9340     if (IS_EMC_PILLAR(old_element))
9341       direction |= getOpenDirectionFromPillar(old_element);
9342
9343     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9344     {
9345       int xx = x + xy[i][0];
9346       int yy = y + xy[i][1];
9347
9348       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9349           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9350       {
9351         int dir = MV_DIR_FROM_BIT(i);
9352         int dir_opposite = MV_DIR_OPPOSITE(dir);
9353         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9354         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9355         int last_direction_new = last_direction_old | dir_opposite;
9356
9357         last_element_new = getPillarFromOpenDirection(last_direction_new);
9358
9359         direction |= dir;
9360       }
9361     }
9362
9363     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9364
9365     if (last_element_new != EL_UNDEFINED)
9366       MergeAndCloseNeighbourElements(x, y, &new_element,
9367                                      last_x, last_y, &last_element_new,
9368                                      getClosedPillar, change_level);
9369   }
9370   else if (IS_DC_STEELWALL_2(new_element))
9371   {
9372     int last_element_new = EL_UNDEFINED;
9373     int direction = MV_NONE;
9374     int i;
9375
9376     /* if old element is of same kind, keep all existing directions */
9377     if (IS_DC_STEELWALL_2(old_element))
9378       direction |= getOpenDirectionFromSteel2(old_element);
9379
9380     for (i = 0; i < NUM_DIRECTIONS; i++)
9381     {
9382       int xx = x + xy[i][0];
9383       int yy = y + xy[i][1];
9384
9385       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9386           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9387       {
9388         int dir = MV_DIR_FROM_BIT(i);
9389         int dir_opposite = MV_DIR_OPPOSITE(dir);
9390         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9391         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9392         int last_direction_new = last_direction_old | dir_opposite;
9393
9394         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9395
9396         direction |= dir;
9397       }
9398     }
9399
9400     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9401
9402     if (last_element_new != EL_UNDEFINED)
9403       MergeAndCloseNeighbourElements(x, y, &new_element,
9404                                      last_x, last_y, &last_element_new,
9405                                      getClosedSteel2, change_level);
9406   }
9407   else if (IS_SP_CHIP(new_element))
9408   {
9409     int last_element_new = EL_UNDEFINED;
9410     int direction = MV_NONE;
9411     int i;
9412
9413     /* (do not keep existing directions, regardless of kind of old element) */
9414
9415     for (i = 0; i < NUM_DIRECTIONS; i++)
9416     {
9417       int xx = x + xy[i][0];
9418       int yy = y + xy[i][1];
9419
9420       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9421           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9422       {
9423         int dir = MV_DIR_FROM_BIT(i);
9424         int dir_opposite = MV_DIR_OPPOSITE(dir);
9425         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9426         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9427         int last_direction_new = last_direction_old | dir_opposite;
9428
9429         if (last_direction_old == MV_NONE)
9430         {
9431           last_element_new = getChipFromOpenDirection(last_direction_new);
9432           direction |= dir;
9433         }
9434         else if (last_direction_old & (dir | dir_opposite))
9435         {
9436           direction |= MV_DIR_OPPOSITE(last_direction_old);
9437         }
9438         else
9439         {
9440           direction |= MV_DIR_OPPOSITE(dir);
9441         }
9442       }
9443     }
9444
9445     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9446
9447     if (last_element_new != EL_UNDEFINED)
9448       MergeAndCloseNeighbourElements(x, y, &new_element,
9449                                      last_x, last_y, &last_element_new,
9450                                      getClosedChip, change_level);
9451   }
9452   else if (IS_SP_HARDWARE_BASE(new_element))
9453   {
9454     int nr = GetSimpleRandom(6);
9455
9456     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9457                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9458                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9459                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9460                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9461   }
9462   else if (new_element == EL_SP_HARDWARE_GREEN ||
9463            new_element == EL_SP_HARDWARE_BLUE ||
9464            new_element == EL_SP_HARDWARE_RED)
9465   {
9466     int nr = GetSimpleRandom(3);
9467
9468     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9469                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9470   }
9471   else if (IS_GROUP_ELEMENT(new_element))
9472   {
9473     boolean connected_drawing = FALSE;
9474     int i;
9475
9476     for (i = 0; i < NUM_DIRECTIONS; i++)
9477     {
9478       int xx = x + xy[i][0];
9479       int yy = y + xy[i][1];
9480
9481       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9482           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9483         connected_drawing = TRUE;
9484     }
9485
9486     if (!connected_drawing)
9487       ResolveGroupElement(new_element);
9488
9489     new_element = GetElementFromGroupElement(new_element);
9490   }
9491   else if (IS_BELT_SWITCH(old_element))
9492   {
9493     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9494     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9495
9496     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9497                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9498
9499     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9500   }
9501   else
9502   {
9503     static int swappable_elements[][2] =
9504     {
9505       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9506       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9507       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9508       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9509       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9510       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9511       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9512       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9513       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9514       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9515       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9516       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9517       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9518       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9519       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9520       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9521       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9522       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9523       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9524       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9525       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9526       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9527       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9528       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9529       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9530       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9531       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9532       { EL_PEARL,                       EL_WALL_PEARL                   },
9533       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9534       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9535       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9536       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9537       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9538       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9539       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9540       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9541       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9542       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9543       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9544       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9545
9546       { -1,                             -1                              },
9547     };
9548     static int rotatable_elements[][4] =
9549     {
9550       {
9551         EL_BUG_UP,
9552         EL_BUG_RIGHT,
9553         EL_BUG_DOWN,
9554         EL_BUG_LEFT
9555       },
9556
9557       {
9558         EL_SPACESHIP_UP,
9559         EL_SPACESHIP_RIGHT,
9560         EL_SPACESHIP_DOWN,
9561         EL_SPACESHIP_LEFT
9562       },
9563
9564       {
9565         EL_BD_BUTTERFLY_UP,
9566         EL_BD_BUTTERFLY_RIGHT,
9567         EL_BD_BUTTERFLY_DOWN,
9568         EL_BD_BUTTERFLY_LEFT
9569       },
9570
9571       {
9572         EL_BD_FIREFLY_UP,
9573         EL_BD_FIREFLY_RIGHT,
9574         EL_BD_FIREFLY_DOWN,
9575         EL_BD_FIREFLY_LEFT
9576       },
9577
9578       {
9579         EL_PACMAN_UP,
9580         EL_PACMAN_RIGHT,
9581         EL_PACMAN_DOWN,
9582         EL_PACMAN_LEFT
9583       },
9584
9585       {
9586         EL_YAMYAM_UP,
9587         EL_YAMYAM_RIGHT,
9588         EL_YAMYAM_DOWN,
9589         EL_YAMYAM_LEFT
9590       },
9591
9592       {
9593         EL_ARROW_UP,
9594         EL_ARROW_RIGHT,
9595         EL_ARROW_DOWN,
9596         EL_ARROW_LEFT
9597       },
9598
9599       {
9600         EL_SP_PORT_UP,
9601         EL_SP_PORT_RIGHT,
9602         EL_SP_PORT_DOWN,
9603         EL_SP_PORT_LEFT
9604       },
9605
9606       {
9607         EL_SP_GRAVITY_PORT_UP,
9608         EL_SP_GRAVITY_PORT_RIGHT,
9609         EL_SP_GRAVITY_PORT_DOWN,
9610         EL_SP_GRAVITY_PORT_LEFT
9611       },
9612
9613       {
9614         EL_MOLE_UP,
9615         EL_MOLE_RIGHT,
9616         EL_MOLE_DOWN,
9617         EL_MOLE_LEFT
9618       },
9619
9620       {
9621         EL_BALLOON_SWITCH_UP,
9622         EL_BALLOON_SWITCH_RIGHT,
9623         EL_BALLOON_SWITCH_DOWN,
9624         EL_BALLOON_SWITCH_LEFT
9625       },
9626
9627       {
9628         EL_SP_GRAVITY_ON_PORT_UP,
9629         EL_SP_GRAVITY_ON_PORT_RIGHT,
9630         EL_SP_GRAVITY_ON_PORT_DOWN,
9631         EL_SP_GRAVITY_ON_PORT_LEFT
9632       },
9633
9634       {
9635         EL_SP_GRAVITY_OFF_PORT_UP,
9636         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9637         EL_SP_GRAVITY_OFF_PORT_DOWN,
9638         EL_SP_GRAVITY_OFF_PORT_LEFT
9639       },
9640
9641       {
9642         -1,
9643         -1,
9644         -1,
9645         -1,
9646       },
9647     };
9648     int i, j;
9649
9650     for (i = 0; swappable_elements[i][0] != -1; i++)
9651     {
9652       int element1 = swappable_elements[i][0];
9653       int element2 = swappable_elements[i][1];
9654
9655       if (old_element == element1 || old_element == element2)
9656         new_element = (old_element == element1 ? element2 : element1);
9657     }
9658
9659     for (i = 0; rotatable_elements[i][0] != -1; i++)
9660     {
9661       for (j = 0; j < 4; j++)
9662       {
9663         int element = rotatable_elements[i][j];
9664
9665         if (old_element == element)
9666           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9667                          button == 2 ? rotatable_elements[i][0]           :
9668                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9669                          old_element);
9670       }
9671     }
9672   }
9673
9674   SetElementSimple(x, y, new_element, change_level);
9675
9676   last_x = x;
9677   last_y = y;
9678 }
9679
9680 static void ResetIntelliDraw()
9681 {
9682   int x, y;
9683
9684   for (x = 0; x < lev_fieldx; x++)
9685     for (y = 0; y < lev_fieldy; y++)
9686       IntelliDrawBuffer[x][y] = Feld[x][y];
9687
9688   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9689 }
9690
9691 static void SetElementExt(int x, int y, int element, boolean change_level,
9692                           int button)
9693 {
9694   if (element < 0)
9695     SetElementSimple(x, y, Feld[x][y], change_level);
9696   else if (GetKeyModState() & KMOD_Shift)
9697     SetElementIntelliDraw(x, y, element, change_level, button);
9698   else
9699     SetElementSimple(x, y, element, change_level);
9700 }
9701
9702 static void SetElement(int x, int y, int element)
9703 {
9704   SetElementExt(x, y, element, TRUE, -1);
9705 }
9706
9707 static void SetElementButton(int x, int y, int element, int button)
9708 {
9709   SetElementExt(x, y, element, TRUE, button);
9710 }
9711
9712 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9713 {
9714   int lx = sx + level_xpos;
9715   int ly = sy + level_ypos;
9716
9717   SetElementExt(lx, ly, element, change_level, -1);
9718 }
9719
9720 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9721                      int element, boolean change_level)
9722 {
9723   int xsize = ABS(to_x - from_x);
9724   int ysize = ABS(to_y - from_y);
9725   int dx = (to_x < from_x ? -1 : +1);
9726   int dy = (to_y < from_y ? -1 : +1);
9727   int i;
9728
9729   if (from_y == to_y)                   /* horizontal line */
9730   {
9731     for (i = 0; i <= xsize; i++)
9732       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9733   }
9734   else if (from_x == to_x)              /* vertical line */
9735   {
9736     for (i = 0; i <= ysize; i++)
9737       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9738   }
9739   else                                  /* diagonal line */
9740   {
9741     if (ysize < xsize)                  /* a < 1 */
9742     {
9743       float a = (float)ysize / (float)xsize;
9744
9745       for (i = 0; i <= xsize; i++)
9746       {
9747         int x = dx * i;
9748         int y = dy * (int)(a * i + 0.5);
9749
9750         DrawLineElement(from_x + x, from_y + y, element, change_level);
9751       }
9752     }
9753     else                                /* a >= 1 */
9754     {
9755       float a = (float)xsize / (float)ysize;
9756
9757       for (i = 0; i <= ysize; i++)
9758       {
9759         int x = dx * (int)(a * i + 0.5);
9760         int y = dy * i;
9761
9762         DrawLineElement(from_x + x, from_y + y, element, change_level);
9763       }
9764     }
9765   }
9766 }
9767
9768 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9769                     int element, boolean change_level)
9770 {
9771   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9772   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9773   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9774   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9775 }
9776
9777 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9778                           int element, boolean change_level)
9779 {
9780   int y;
9781
9782   if (from_y > to_y)
9783     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9784
9785   for (y = from_y; y <= to_y; y++)
9786     DrawLine(from_x, y, to_x, y, element, change_level);
9787 }
9788
9789 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9790                        int element, boolean change_level)
9791 {
9792   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9793   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9794   int len_x = ABS(to_x - from_x);
9795   int len_y = ABS(to_y - from_y);
9796   int radius, x, y;
9797
9798   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9799
9800   /* not optimal (some points get drawn twice) but simple,
9801      and fast enough for the few points we are drawing */
9802
9803   for (x = 0; x <= radius; x++)
9804   {
9805     int sx, sy, lx, ly;
9806
9807     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9808
9809     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9810     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9811     lx = sx + level_xpos;
9812     ly = sy + level_ypos;
9813
9814     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9815       DrawLineElement(sx, sy, element, change_level);
9816   }
9817
9818   for (y = 0; y <= radius; y++)
9819   {
9820     int sx, sy, lx, ly;
9821
9822     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
9823
9824     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9825     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9826     lx = sx + level_xpos;
9827     ly = sy + level_ypos;
9828
9829     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9830       DrawLineElement(sx, sy, element, change_level);
9831   }
9832 }
9833
9834 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
9835                     int element, boolean change_level)
9836 {
9837   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9838   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9839
9840   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9841 }
9842
9843 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
9844
9845 #if DRAW_CIRCLES_BUTTON_AVAILABLE
9846 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
9847                        int element, boolean change_level)
9848 {
9849   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9850   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9851   int mirror_to_x2 = from_x - (to_x2 - from_x);
9852   int mirror_to_y2 = from_y - (to_y2 - from_y);
9853
9854   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9855   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
9856   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
9857   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
9858 }
9859 #endif
9860
9861 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
9862 {
9863   int from_sx, from_sy;
9864   int to_sx, to_sy;
9865
9866   if (from_x > to_x)
9867     swap_numbers(&from_x, &to_x);
9868
9869   if (from_y > to_y)
9870     swap_numbers(&from_y, &to_y);
9871
9872   from_sx = SX + from_x * MINI_TILEX;
9873   from_sy = SY + from_y * MINI_TILEY;
9874   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
9875   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
9876
9877   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
9878   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
9879   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
9880   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
9881
9882   if (from_x == to_x && from_y == to_y)
9883     MarkTileDirty(from_x/2, from_y/2);
9884   else
9885     redraw_mask |= REDRAW_FIELD;
9886 }
9887
9888 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
9889                        int element, boolean change_level)
9890 {
9891   if (element == -1 || change_level)
9892     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
9893   else
9894     DrawAreaBorder(from_x, from_y, to_x, to_y);
9895 }
9896
9897 /* values for CopyBrushExt() */
9898 #define CB_AREA_TO_BRUSH        0
9899 #define CB_BRUSH_TO_CURSOR      1
9900 #define CB_BRUSH_TO_LEVEL       2
9901 #define CB_DELETE_OLD_CURSOR    3
9902 #define CB_DUMP_BRUSH           4
9903 #define CB_DUMP_BRUSH_SMALL     5
9904
9905 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
9906                          int button, int mode)
9907 {
9908   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
9909   static int brush_width, brush_height;
9910   static int last_cursor_x = -1, last_cursor_y = -1;
9911   static boolean delete_old_brush;
9912   int new_element = BUTTON_ELEMENT(button);
9913   int x, y;
9914
9915   if (mode == CB_DUMP_BRUSH ||
9916       mode == CB_DUMP_BRUSH_SMALL)
9917   {
9918     if (!draw_with_brush)
9919     {
9920       Error(ERR_WARN, "no brush selected");
9921
9922       return;
9923     }
9924
9925     for (y = 0; y < brush_height; y++)
9926     {
9927       for (x = 0; x < brush_width; x++)
9928       {
9929         int element = brush_buffer[x][y];
9930         int element_mapped = element;
9931
9932         if (IS_CUSTOM_ELEMENT(element))
9933           element_mapped = EL_CUSTOM_START;
9934         else if (IS_GROUP_ELEMENT(element))
9935           element_mapped = EL_GROUP_START;
9936         else if (element >= NUM_FILE_ELEMENTS)
9937           element_mapped = EL_UNKNOWN;
9938
9939         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
9940       }
9941
9942       printf("\n");
9943     }
9944
9945     return;
9946   }
9947
9948   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
9949     return;
9950
9951   if (mode == CB_AREA_TO_BRUSH)
9952   {
9953     int from_lx, from_ly;
9954
9955     if (from_x > to_x)
9956       swap_numbers(&from_x, &to_x);
9957
9958     if (from_y > to_y)
9959       swap_numbers(&from_y, &to_y);
9960
9961     brush_width = to_x - from_x + 1;
9962     brush_height = to_y - from_y + 1;
9963
9964     from_lx = from_x + level_xpos;
9965     from_ly = from_y + level_ypos;
9966
9967     for (y = 0; y < brush_height; y++)
9968     {
9969       for (x = 0; x < brush_width; x++)
9970       {
9971         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
9972
9973         if (button != 1)
9974           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
9975       }
9976     }
9977
9978     if (button != 1)
9979       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9980
9981     delete_old_brush = FALSE;
9982   }
9983   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
9984            mode == CB_BRUSH_TO_LEVEL)
9985   {
9986     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
9987     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
9988     int cursor_from_x = cursor_x - brush_width / 2;
9989     int cursor_from_y = cursor_y - brush_height / 2;
9990     int border_from_x = cursor_x, border_from_y = cursor_y;
9991     int border_to_x = cursor_x, border_to_y = cursor_y;
9992
9993     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
9994       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
9995
9996     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
9997         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
9998     {
9999       delete_old_brush = FALSE;
10000       return;
10001     }
10002
10003     for (y = 0; y < brush_height; y++)
10004     {
10005       for (x = 0; x < brush_width; x++)
10006       {
10007         int sx = cursor_from_x + x;
10008         int sy = cursor_from_y + y;
10009         int lx = sx + level_xpos;
10010         int ly = sy + level_ypos;
10011         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10012         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10013                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10014                        brush_buffer[x][y] : new_element);
10015
10016         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10017         {
10018           if (sx < border_from_x)
10019             border_from_x = sx;
10020           else if (sx > border_to_x)
10021             border_to_x = sx;
10022           if (sy < border_from_y)
10023             border_from_y = sy;
10024           else if (sy > border_to_y)
10025             border_to_y = sy;
10026
10027           DrawLineElement(sx, sy, element, change_level);
10028         }
10029       }
10030     }
10031
10032     if (mode != CB_DELETE_OLD_CURSOR)
10033       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10034
10035     last_cursor_x = cursor_x;
10036     last_cursor_y = cursor_y;
10037     delete_old_brush = TRUE;
10038   }
10039 }
10040
10041 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10042                             int button)
10043 {
10044   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10045 }
10046
10047 static void CopyBrushToLevel(int x, int y, int button)
10048 {
10049   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10050 }
10051
10052 static void CopyBrushToCursor(int x, int y)
10053 {
10054   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10055 }
10056
10057 static void DeleteBrushFromCursor()
10058 {
10059   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10060 }
10061
10062 void DumpBrush()
10063 {
10064   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10065 }
10066
10067 void DumpBrush_Small()
10068 {
10069   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10070 }
10071
10072 static void FloodFill(int from_x, int from_y, int fill_element)
10073 {
10074   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10075 }
10076
10077 /* values for DrawLevelText() modes */
10078 #define TEXT_INIT               0
10079 #define TEXT_SETCURSOR          1
10080 #define TEXT_WRITECHAR          2
10081 #define TEXT_BACKSPACE          3
10082 #define TEXT_NEWLINE            4
10083 #define TEXT_END                5
10084 #define TEXT_QUERY_TYPING       6
10085
10086 static int DrawLevelText(int sx, int sy, char letter, int mode)
10087 {
10088   static short delete_buffer[MAX_LEV_FIELDX];
10089   static int start_sx, start_sy;
10090   static int last_sx, last_sy;
10091   static boolean typing = FALSE;
10092   int letter_element = EL_CHAR_ASCII0 + letter;
10093   int lx = 0, ly = 0;
10094
10095   /* map lower case letters to upper case and convert special characters */
10096   if (letter >= 'a' && letter <= 'z')
10097     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10098   else if (letter == 'ä' || letter == 'Ä')
10099     letter_element = EL_CHAR_AUMLAUT;
10100   else if (letter == 'ö' || letter == 'Ö')
10101     letter_element = EL_CHAR_OUMLAUT;
10102   else if (letter == 'ü' || letter == 'Ü')
10103     letter_element = EL_CHAR_UUMLAUT;
10104   else if (letter == '^')
10105     letter_element = EL_CHAR_COPYRIGHT;
10106   else
10107     letter_element = EL_CHAR_ASCII0 + letter;
10108
10109   if (mode != TEXT_INIT)
10110   {
10111     if (!typing)
10112       return FALSE;
10113
10114     if (mode != TEXT_SETCURSOR)
10115     {
10116       sx = last_sx;
10117       sy = last_sy;
10118     }
10119
10120     lx = last_sx + level_xpos;
10121     ly = last_sy + level_ypos;
10122   }
10123
10124   switch (mode)
10125   {
10126     case TEXT_INIT:
10127       if (typing)
10128         DrawLevelText(0, 0, 0, TEXT_END);
10129
10130       typing = TRUE;
10131       start_sx = last_sx = sx;
10132       start_sy = last_sy = sy;
10133       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10134       break;
10135
10136     case TEXT_SETCURSOR:
10137       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10138       DrawAreaBorder(sx, sy, sx, sy);
10139       last_sx = sx;
10140       last_sy = sy;
10141       break;
10142
10143     case TEXT_WRITECHAR:
10144       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10145       {
10146         delete_buffer[sx - start_sx] = Feld[lx][ly];
10147         Feld[lx][ly] = letter_element;
10148
10149         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10150           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10151         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10152           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10153         else
10154           DrawLevelText(0, 0, 0, TEXT_END);
10155
10156         level.changed = TRUE;
10157       }
10158       break;
10159
10160     case TEXT_BACKSPACE:
10161       if (sx > start_sx)
10162       {
10163         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10164         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10165         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10166       }
10167       break;
10168
10169     case TEXT_NEWLINE:
10170       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10171         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10172       else
10173         DrawLevelText(0, 0, 0, TEXT_END);
10174       break;
10175
10176     case TEXT_END:
10177       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10178       DrawMiniElement(sx, sy, Feld[lx][ly]);
10179       typing = FALSE;
10180       break;
10181
10182     case TEXT_QUERY_TYPING:
10183       break;
10184
10185     default:
10186       break;
10187   }
10188
10189   return typing;
10190 }
10191
10192 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10193                           int element, boolean change_level)
10194 {
10195   int lx = sx + level_xpos;
10196   int ly = sy + level_ypos;
10197
10198   if (element == -1)
10199     DrawMiniElement(sx, sy, Feld[lx][ly]);
10200   else
10201     DrawAreaBorder(sx, sy, sx, sy);
10202 }
10203
10204 static void CheckLevelBorderElement(boolean redraw_playfield)
10205 {
10206   int last_border_element = BorderElement;
10207
10208   SetBorderElement();
10209
10210   if (redraw_playfield && BorderElement != last_border_element)
10211     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10212 }
10213
10214 static void CopyLevelToUndoBuffer(int mode)
10215 {
10216   static boolean accumulated_undo = FALSE;
10217   boolean new_undo_buffer_position = TRUE;
10218   int x, y;
10219
10220   switch (mode)
10221   {
10222     case UNDO_IMMEDIATE:
10223       accumulated_undo = FALSE;
10224       break;
10225
10226     case UNDO_ACCUMULATE:
10227       if (accumulated_undo)
10228         new_undo_buffer_position = FALSE;
10229       accumulated_undo = TRUE;
10230       break;
10231
10232     default:
10233       break;
10234   }
10235
10236   if (new_undo_buffer_position)
10237   {
10238     /* new position in undo buffer ring */
10239     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10240
10241     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10242       undo_buffer_steps++;
10243   }
10244
10245   for (x = 0; x < lev_fieldx; x++)
10246     for (y = 0; y < lev_fieldy; y++)
10247       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10248
10249   /* check if drawing operation forces change of border style */
10250   CheckLevelBorderElement(TRUE);
10251
10252   level.changed = TRUE;
10253 }
10254
10255 static void RandomPlacement(int new_element)
10256 {
10257   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10258   int num_free_positions = 0;
10259   int num_percentage, num_elements;
10260   int x, y;
10261
10262 #if 1
10263   ResetIntelliDraw();
10264 #endif
10265
10266   /* determine number of free positions for randomly placing the new element */
10267   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10268   {
10269     free_position[x][y] =
10270       (random_placement_background_restricted ?
10271        Feld[x][y] == random_placement_background_element :
10272        Feld[x][y] != new_element);
10273
10274     if (free_position[x][y])
10275       num_free_positions++;
10276   }
10277
10278   /* determine number of new elements to place there */
10279   num_percentage = num_free_positions * random_placement_value / 100;
10280   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10281                   num_percentage : random_placement_value);
10282
10283   /* if less free positions than elements to place, fill all these positions */
10284   if (num_free_positions < num_elements)
10285   {
10286     for (x = 0; x < lev_fieldx; x++)
10287       for (y = 0; y < lev_fieldy; y++)
10288         if (free_position[x][y])
10289 #if 1
10290           SetElement(x, y, new_element);
10291 #else
10292           Feld[x][y] = new_element;
10293 #endif
10294   }
10295   else
10296   {
10297     while (num_elements > 0)
10298     {
10299       x = GetSimpleRandom(lev_fieldx);
10300       y = GetSimpleRandom(lev_fieldy);
10301
10302       /* don't place element at the same position twice */
10303       if (free_position[x][y])
10304       {
10305         free_position[x][y] = FALSE;
10306 #if 1
10307         SetElement(x, y, new_element);
10308 #else
10309         Feld[x][y] = new_element;
10310 #endif
10311         num_elements--;
10312       }
10313     }
10314   }
10315
10316   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10317   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10318 }
10319
10320 void WrapLevel(int dx, int dy)
10321 {
10322   int wrap_dx = lev_fieldx - dx;
10323   int wrap_dy = lev_fieldy - dy;
10324   int x, y;
10325
10326   for (x = 0; x < lev_fieldx; x++)
10327     for (y = 0; y < lev_fieldy; y++)
10328       FieldBackup[x][y] = Feld[x][y];
10329
10330   for (x = 0; x < lev_fieldx; x++)
10331     for (y = 0; y < lev_fieldy; y++)
10332       Feld[x][y] =
10333         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10334
10335   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10336   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10337 }
10338
10339 static void HandleDrawingAreas(struct GadgetInfo *gi)
10340 {
10341   static boolean started_inside_drawing_area = FALSE;
10342   int id = gi->custom_id;
10343   boolean button_press_event;
10344   boolean button_release_event;
10345   boolean inside_drawing_area = !gi->event.off_borders;
10346   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10347   int actual_drawing_function;
10348   int button = gi->event.button;
10349   int new_element = BUTTON_ELEMENT(button);
10350   int sx = gi->event.x, sy = gi->event.y;
10351   int min_sx = 0, min_sy = 0;
10352   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10353   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10354   int lx = 0, ly = 0;
10355   int min_lx = 0, min_ly = 0;
10356   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10357   int x, y;
10358
10359   /* handle info callback for each invocation of action callback */
10360   gi->callback_info(gi);
10361
10362   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10363   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10364
10365   /* make sure to stay inside drawing area boundaries */
10366   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10367   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10368
10369   if (draw_level)
10370   {
10371     /* get positions inside level field */
10372     lx = sx + level_xpos;
10373     ly = sy + level_ypos;
10374
10375     if (!IN_LEV_FIELD(lx, ly))
10376       inside_drawing_area = FALSE;
10377
10378     /* make sure to stay inside level field boundaries */
10379     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10380     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10381
10382     /* correct drawing area positions accordingly */
10383     sx = lx - level_xpos;
10384     sy = ly - level_ypos;
10385   }
10386
10387   if (button_press_event)
10388     started_inside_drawing_area = inside_drawing_area;
10389
10390   if (!started_inside_drawing_area)
10391     return;
10392
10393   if (!IS_VALID_BUTTON(button))
10394     return;
10395
10396   if (!button && !button_release_event)
10397     return;
10398
10399   /* automatically switch to 'single item' drawing mode, if needed */
10400   actual_drawing_function =
10401     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10402      drawing_function : GADGET_ID_SINGLE_ITEMS);
10403
10404   /* clicking into drawing area with pressed Control key picks element */
10405   if (GetKeyModState() & KMOD_Control)
10406   {
10407     last_drawing_function = drawing_function;
10408     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10409   }
10410
10411   if (GetKeyModState() & KMOD_Shift)
10412   {
10413     if (button_press_event || button_release_event)
10414       ResetIntelliDraw();
10415   }
10416
10417   switch (actual_drawing_function)
10418   {
10419     case GADGET_ID_SINGLE_ITEMS:
10420       if (draw_level)
10421       {
10422         if (button_release_event)
10423         {
10424           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10425
10426           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10427               !inside_drawing_area)
10428             DeleteBrushFromCursor();
10429
10430 #if 0
10431           ResetIntelliDraw();
10432 #endif
10433         }
10434
10435         if (!button || button_release_event)
10436           break;
10437
10438         if (draw_with_brush)
10439         {
10440 #if 0
10441           if (!button_release_event)
10442 #endif
10443             CopyBrushToLevel(sx, sy, button);
10444         }
10445 #if 1
10446         else
10447 #else
10448         else if (new_element != Feld[lx][ly])
10449 #endif
10450         {
10451           if (new_element == EL_PLAYER_1)
10452           {
10453             /* remove player at old position */
10454             for (y = 0; y < lev_fieldy; y++)
10455             {
10456               for (x = 0; x < lev_fieldx; x++)
10457               {
10458                 if (Feld[x][y] == EL_PLAYER_1)
10459                 {
10460 #if 1
10461                   SetElement(x, y, EL_EMPTY);
10462 #else
10463                   Feld[x][y] = EL_EMPTY;
10464 #if 1
10465                   if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
10466                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10467 #else
10468                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
10469                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
10470                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10471 #endif
10472 #endif
10473                 }
10474               }
10475             }
10476           }
10477
10478 #if 1
10479           SetElementButton(lx, ly, new_element, button);
10480 #else
10481           Feld[lx][ly] = new_element;
10482           DrawMiniElement(sx, sy, new_element);
10483 #endif
10484         }
10485       }
10486       else
10487       {
10488         int type_id = gi->custom_type_id;
10489         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10490
10491         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10492           DrawMiniGraphicExt(drawto,
10493                              gi->x + sx * MINI_TILEX,
10494                              gi->y + sy * MINI_TILEY,
10495                              el2edimg(new_element));
10496         else
10497           DrawGraphicExt(drawto,
10498                          gi->x + sx * TILEX,
10499                          gi->y + sy * TILEY,
10500                          el2img(new_element), 0);
10501
10502         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10503           new_element = GFX_ELEMENT(new_element);
10504
10505         drawingarea_info[type_id].value[pos] = new_element;
10506
10507         CopyElementPropertiesToGame(properties_element);
10508
10509         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10510         {
10511           UpdateCustomElementGraphicGadgets();
10512
10513           FrameCounter = 0;     /* restart animation frame counter */
10514         }
10515       }
10516       break;
10517
10518     case GADGET_ID_CONNECTED_ITEMS:
10519       {
10520         static int last_sx = -1;
10521         static int last_sy = -1;
10522
10523         if (button_release_event)
10524           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10525
10526         if (button)
10527         {
10528           if (!button_press_event)
10529             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10530
10531           last_sx = sx;
10532           last_sy = sy;
10533         }
10534       }
10535       break;
10536
10537     case GADGET_ID_LINE:
10538     case GADGET_ID_ARC:
10539     case GADGET_ID_RECTANGLE:
10540     case GADGET_ID_FILLED_BOX:
10541     case GADGET_ID_GRAB_BRUSH:
10542     case GADGET_ID_TEXT:
10543       {
10544         static int last_sx = -1;
10545         static int last_sy = -1;
10546         static int start_sx = -1;
10547         static int start_sy = -1;
10548         void (*draw_func)(int, int, int, int, int, boolean);
10549
10550         if (drawing_function == GADGET_ID_LINE)
10551           draw_func = DrawLine;
10552         else if (drawing_function == GADGET_ID_ARC)
10553           draw_func = DrawArc;
10554         else if (drawing_function == GADGET_ID_RECTANGLE)
10555           draw_func = DrawBox;
10556         else if (drawing_function == GADGET_ID_FILLED_BOX)
10557           draw_func = DrawFilledBox;
10558         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10559           draw_func = SelectArea;
10560         else /* (drawing_function == GADGET_ID_TEXT) */
10561           draw_func = SetTextCursor;
10562
10563         if (button_press_event)
10564         {
10565           draw_func(sx, sy, sx, sy, new_element, FALSE);
10566           start_sx = last_sx = sx;
10567           start_sy = last_sy = sy;
10568
10569           if (drawing_function == GADGET_ID_TEXT)
10570             DrawLevelText(0, 0, 0, TEXT_END);
10571         }
10572         else if (button_release_event)
10573         {
10574           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10575           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10576           {
10577             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10578             CopyBrushToCursor(sx, sy);
10579             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10580                           MB_LEFTBUTTON);
10581             draw_with_brush = TRUE;
10582           }
10583           else if (drawing_function == GADGET_ID_TEXT)
10584             DrawLevelText(sx, sy, 0, TEXT_INIT);
10585           else
10586             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10587         }
10588         else if (last_sx != sx || last_sy != sy)
10589         {
10590           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10591           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10592           last_sx = sx;
10593           last_sy = sy;
10594         }
10595       }
10596       break;
10597
10598     case GADGET_ID_FLOOD_FILL:
10599       if (button_press_event && Feld[lx][ly] != new_element)
10600       {
10601         FloodFill(lx, ly, new_element);
10602         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10603         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10604       }
10605       break;
10606
10607     case GADGET_ID_PICK_ELEMENT:
10608       if (button_release_event)
10609         ClickOnGadget(level_editor_gadget[last_drawing_function],
10610                       MB_LEFTBUTTON);
10611       else if (draw_level)
10612         PickDrawingElement(button, Feld[lx][ly]);
10613       else
10614       {
10615         int type_id = gi->custom_type_id;
10616         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10617
10618         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10619       }
10620
10621       break;
10622
10623     default:
10624       break;
10625   }
10626 }
10627
10628 static void HandleCounterButtons(struct GadgetInfo *gi)
10629 {
10630   int gadget_id = gi->custom_id;
10631   int counter_id = gi->custom_type_id;
10632   int button = gi->event.button;
10633   int *counter_value = counterbutton_info[counter_id].value;
10634   int step = BUTTON_STEPSIZE(button) *
10635     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10636
10637   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10638   {
10639     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10640     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10641     boolean level_changed = LevelChanged();
10642
10643     if ((level_changed && pressed) || (!level_changed && released))
10644       return;
10645
10646     if (level_changed && !Request("Level has changed ! Discard changes ?",
10647                                   REQ_ASK))
10648     {
10649       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10650         ModifyEditorCounterValue(counter_id, *counter_value);
10651
10652       return;
10653     }
10654   }
10655
10656   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10657     *counter_value = gi->textinput.number_value;
10658   else
10659     ModifyEditorCounterValue(counter_id, *counter_value + step);
10660
10661   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10662   {
10663       LoadLevel(level_nr);
10664       LoadScore(level_nr);
10665
10666       TapeErase();
10667
10668       ResetUndoBuffer();
10669       DrawEditModeWindow();
10670
10671       return;
10672   }
10673
10674   switch (counter_id)
10675   {
10676     case ED_COUNTER_ID_YAMYAM_CONTENT:
10677       DrawYamYamContentAreas();
10678       break;
10679
10680     case ED_COUNTER_ID_BALL_CONTENT:
10681       DrawMagicBallContentAreas();
10682       break;
10683
10684     case ED_COUNTER_ID_ANDROID_CONTENT:
10685       DrawAndroidElementArea(properties_element);
10686       break;
10687
10688     case ED_COUNTER_ID_GROUP_CONTENT:
10689       DrawGroupElementArea(properties_element);
10690       CopyGroupElementPropertiesToGame(properties_element);
10691       break;
10692
10693     case ED_COUNTER_ID_INVENTORY_SIZE:
10694       DrawPlayerInitialInventoryArea(properties_element);
10695       break;
10696
10697     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10698     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10699       DrawEnvelopeTextArea(-1);
10700       break;
10701
10702     case ED_COUNTER_ID_LEVEL_XSIZE:
10703     case ED_COUNTER_ID_LEVEL_YSIZE:
10704       lev_fieldx = level.fieldx;
10705       lev_fieldy = level.fieldy;
10706       break;
10707
10708     default:
10709       break;
10710   }
10711
10712   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10713        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10714       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10715        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10716     CopyElementPropertiesToGame(properties_element);
10717
10718   level.changed = TRUE;
10719 }
10720
10721 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10722 {
10723   int type_id = gi->custom_type_id;
10724
10725   strcpy(textinput_info[type_id].value, gi->textinput.value);
10726
10727   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10728   {
10729     CopyElementPropertiesToGame(properties_element);
10730
10731     ModifyEditorElementList();  /* update changed button info text */
10732   }
10733
10734   level.changed = TRUE;
10735 }
10736
10737 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10738 {
10739   int type_id = gi->custom_type_id;
10740
10741 #if 1
10742   strncpy(textarea_info[type_id].value, gi->textarea.value,
10743           MAX_ENVELOPE_TEXT_LEN);
10744   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10745 #else
10746   /* !!! BUGGY !!! MAX_ENVELOPE_TEXT_LEN != MAX_GADGET_TEXTSIZE !!! */
10747   strcpy(textarea_info[type_id].value, gi->textarea.value);
10748 #endif
10749
10750   level.changed = TRUE;
10751 }
10752
10753 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10754 {
10755   int type_id = gi->custom_type_id;
10756   int value_old = *selectbox_info[type_id].value;
10757   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10758
10759   *selectbox_info[type_id].value = value_new;
10760
10761   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10762   {
10763     element_info[properties_element].current_change_page = gi->selectbox.index;
10764
10765     DrawPropertiesWindow();
10766   }
10767   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10768             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10769            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10770             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10771            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10772   {
10773     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10774     {
10775       /* when changing action type, also check action mode and action arg */
10776       if (value_old != value_new)
10777         setSelectboxSpecialActionVariablesIfNeeded();
10778
10779       DrawPropertiesChange();
10780     }
10781
10782     CopyElementPropertiesToGame(properties_element);
10783
10784     level.changed = TRUE;
10785   }
10786 }
10787
10788 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10789 {
10790   int type_id = gi->custom_type_id;
10791   int i;
10792
10793   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
10794       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
10795   {
10796     edit_mode_levelinfo = gi->custom_type_id;
10797
10798     DrawLevelInfoWindow();
10799   }
10800   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10801            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10802   {
10803     edit_mode_properties = gi->custom_type_id;
10804
10805     DrawPropertiesWindow();
10806   }
10807   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10808   {
10809     char *template_filename = getDefaultLevelFilename(-1);
10810     boolean new_template = !fileExists(template_filename);
10811
10812     /* backup original "level.field" (needed to track playfield changes) */
10813     CopyPlayfield(level.field, FieldBackup);
10814
10815     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
10816     CopyPlayfield(Feld, level.field);
10817
10818     if (new_template ||
10819         Request("Save this template and kill the old ?", REQ_ASK))
10820       SaveLevelTemplate();
10821
10822     if (new_template)
10823       Request("Template saved !", REQ_CONFIRM);
10824
10825     /* restore original "level.field" (needed to track playfield changes) */
10826     CopyPlayfield(FieldBackup, level.field);
10827   }
10828   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10829            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10830   {
10831     struct ElementInfo *ei = &element_info[properties_element];
10832
10833     setElementChangePages(ei, ei->num_change_pages + 1);
10834
10835     /* set new change page to be new current change page */
10836     ei->current_change_page = ei->num_change_pages - 1;
10837     ei->change = &ei->change_page[ei->current_change_page];
10838
10839     setElementChangeInfoToDefaults(ei->change);
10840
10841     DrawPropertiesWindow();
10842
10843     level.changed = TRUE;
10844   }
10845   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10846            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10847   {
10848     struct ElementInfo *ei = &element_info[properties_element];
10849
10850     /* copy all change pages after change page to be deleted */
10851     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
10852       ei->change_page[i] = ei->change_page[i + 1];
10853
10854     setElementChangePages(ei, ei->num_change_pages - 1);
10855
10856     DrawPropertiesWindow();
10857
10858     level.changed = TRUE;
10859   }
10860 }
10861
10862 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
10863 {
10864   int type_id = gi->custom_type_id;
10865
10866   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
10867       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
10868   {
10869     struct ElementInfo *ei = &element_info[properties_element];
10870     int step = BUTTON_STEPSIZE(gi->event.button);
10871
10872     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
10873     ei->current_change_page += step;
10874
10875     if (ei->current_change_page < 0)
10876       ei->current_change_page = 0;
10877     else if (ei->current_change_page >= ei->num_change_pages)
10878       ei->current_change_page = ei->num_change_pages - 1;
10879
10880     DrawPropertiesWindow();
10881   }
10882   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
10883            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10884   {
10885     struct ElementInfo *ei = &element_info[properties_element];
10886     int current_change_page = ei->current_change_page;
10887
10888     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
10889       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
10890         ei->change_page[current_change_page];
10891     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10892     {
10893       ei->change_page[current_change_page] =
10894         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
10895
10896       level.changed = TRUE;
10897     }
10898
10899     DrawPropertiesWindow();
10900   }
10901 }
10902
10903 static void HandleRadiobuttons(struct GadgetInfo *gi)
10904 {
10905   *radiobutton_info[gi->custom_type_id].value =
10906     radiobutton_info[gi->custom_type_id].checked_value;
10907
10908   level.changed = TRUE;
10909 }
10910
10911 static void HandleCheckbuttons(struct GadgetInfo *gi)
10912 {
10913   int type_id = gi->custom_type_id;
10914
10915   *checkbutton_info[type_id].value ^= TRUE;
10916
10917   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
10918       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
10919       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
10920       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
10921          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
10922         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
10923          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
10924        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
10925   {
10926     CopyElementPropertiesToGame(properties_element);
10927   }
10928
10929   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
10930   {
10931     UpdateCustomElementGraphicGadgets();
10932   }
10933   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
10934   {
10935     char *template_filename = getDefaultLevelFilename(-1);
10936
10937     if (level.use_custom_template && !fileExists(template_filename))
10938     {
10939       Request("No level template found !", REQ_CONFIRM);
10940
10941       level.use_custom_template = FALSE;
10942       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
10943
10944       return;
10945     }
10946
10947     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
10948
10949     DrawEditModeWindow();
10950   }
10951
10952   level.changed = TRUE;
10953 }
10954
10955 static void HandleControlButtons(struct GadgetInfo *gi)
10956 {
10957   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
10958   static int last_edit_mode = ED_MODE_DRAWING;
10959   static int last_custom_copy_mode = -1;
10960   int id = gi->custom_id;
10961   int button = gi->event.button;
10962   int step = BUTTON_STEPSIZE(button);
10963   int new_element = BUTTON_ELEMENT(button);
10964   int x, y;
10965
10966   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
10967     DrawLevelText(0, 0, 0, TEXT_END);
10968
10969   if (id < ED_NUM_CTRL1_BUTTONS &&
10970       id != GADGET_ID_SINGLE_ITEMS &&
10971       id != GADGET_ID_PROPERTIES &&
10972       id != GADGET_ID_PICK_ELEMENT &&
10973       edit_mode != ED_MODE_DRAWING &&
10974       drawing_function != GADGET_ID_PICK_ELEMENT &&
10975       !(GetKeyModState() & KMOD_Control))
10976   {
10977     DrawDrawingWindow();
10978     edit_mode = ED_MODE_DRAWING;
10979   }
10980
10981   /* element copy mode active, but no element button pressed => deactivate */
10982   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
10983     last_custom_copy_mode = -1;
10984
10985   switch (id)
10986   {
10987     case GADGET_ID_SCROLL_LEFT:
10988       if (level_xpos >= 0)
10989       {
10990         if (lev_fieldx < ed_fieldx - 2)
10991           break;
10992
10993         level_xpos -= step;
10994         if (level_xpos < -1)
10995           level_xpos = -1;
10996         if (button == 1)
10997           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
10998         else
10999           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11000
11001         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11002                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11003       }
11004       break;
11005
11006     case GADGET_ID_SCROLL_RIGHT:
11007       if (level_xpos <= lev_fieldx - ed_fieldx)
11008       {
11009         if (lev_fieldx < ed_fieldx - 2)
11010           break;
11011
11012         level_xpos += step;
11013         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11014           level_xpos = lev_fieldx - ed_fieldx + 1;
11015         if (button == 1)
11016           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11017         else
11018           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11019
11020         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11021                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11022       }
11023       break;
11024
11025     case GADGET_ID_SCROLL_UP:
11026       if (level_ypos >= 0)
11027       {
11028         if (lev_fieldy < ed_fieldy - 2)
11029           break;
11030
11031         level_ypos -= step;
11032         if (level_ypos < -1)
11033           level_ypos = -1;
11034         if (button == 1)
11035           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11036         else
11037           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11038
11039         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11040                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11041       }
11042       break;
11043
11044     case GADGET_ID_SCROLL_DOWN:
11045       if (level_ypos <= lev_fieldy - ed_fieldy)
11046       {
11047         if (lev_fieldy < ed_fieldy - 2)
11048           break;
11049
11050         level_ypos += step;
11051         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11052           level_ypos = lev_fieldy - ed_fieldy + 1;
11053         if (button == 1)
11054           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11055         else
11056           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11057
11058         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11059                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11060       }
11061       break;
11062
11063     case GADGET_ID_SCROLL_HORIZONTAL:
11064       level_xpos = gi->event.item_position - 1;
11065       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11066       break;
11067
11068     case GADGET_ID_SCROLL_VERTICAL:
11069       level_ypos = gi->event.item_position - 1;
11070       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11071       break;
11072
11073     case GADGET_ID_SCROLL_LIST_UP:
11074     case GADGET_ID_SCROLL_LIST_DOWN:
11075     case GADGET_ID_SCROLL_LIST_VERTICAL:
11076       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11077         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11078       else
11079       {
11080         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11081         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11082
11083         if (element_shift < 0)
11084           element_shift = 0;
11085         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11086           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11087
11088         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11089                      GDI_SCROLLBAR_ITEM_POSITION,
11090                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11091       }
11092
11093       ModifyEditorElementList();
11094
11095       break;
11096
11097     case GADGET_ID_WRAP_LEFT:
11098       WrapLevel(-step, 0);
11099       break;
11100
11101     case GADGET_ID_WRAP_RIGHT:
11102       WrapLevel(step, 0);
11103       break;
11104
11105     case GADGET_ID_WRAP_UP:
11106       WrapLevel(0, -step);
11107       break;
11108
11109     case GADGET_ID_WRAP_DOWN:
11110       WrapLevel(0, step);
11111       break;
11112
11113     case GADGET_ID_SINGLE_ITEMS:
11114     case GADGET_ID_CONNECTED_ITEMS:
11115     case GADGET_ID_LINE:
11116     case GADGET_ID_ARC:
11117     case GADGET_ID_TEXT:
11118     case GADGET_ID_RECTANGLE:
11119     case GADGET_ID_FILLED_BOX:
11120     case GADGET_ID_FLOOD_FILL:
11121     case GADGET_ID_GRAB_BRUSH:
11122     case GADGET_ID_PICK_ELEMENT:
11123       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11124         last_drawing_function = drawing_function;
11125       drawing_function = id;
11126       draw_with_brush = FALSE;
11127       break;
11128
11129     case GADGET_ID_RANDOM_PLACEMENT:
11130       RandomPlacement(new_element);
11131       break;
11132
11133     case GADGET_ID_PROPERTIES:
11134       if (edit_mode != ED_MODE_PROPERTIES)
11135       {
11136         properties_element = new_element;
11137         DrawPropertiesWindow();
11138         edit_mode = ED_MODE_PROPERTIES;
11139
11140         last_level_drawing_function = drawing_function;
11141         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11142                       MB_LEFTBUTTON);
11143       }
11144       else
11145       {
11146         DrawDrawingWindow();
11147         edit_mode = ED_MODE_DRAWING;
11148
11149         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11150                       MB_LEFTBUTTON);
11151       }
11152       break;
11153
11154     case GADGET_ID_CUSTOM_COPY_FROM:
11155     case GADGET_ID_CUSTOM_COPY_TO:
11156     case GADGET_ID_CUSTOM_EXCHANGE:
11157       last_custom_copy_mode = id;
11158       last_drawing_function = drawing_function;
11159       break;
11160
11161     case GADGET_ID_CUSTOM_COPY:
11162       CopyCustomElement(properties_element, -1, id);
11163       break;
11164
11165     case GADGET_ID_CUSTOM_PASTE:
11166       CopyCustomElement(-1, properties_element, id);
11167       break;
11168
11169     case GADGET_ID_UNDO:
11170       if (undo_buffer_steps == 0)
11171       {
11172         Request("Undo buffer empty !", REQ_CONFIRM);
11173         break;
11174       }
11175
11176       if (edit_mode != ED_MODE_DRAWING)
11177       {
11178         DrawDrawingWindow();
11179         edit_mode = ED_MODE_DRAWING;
11180       }
11181
11182       undo_buffer_position =
11183         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11184       undo_buffer_steps--;
11185
11186       for (x = 0; x < lev_fieldx; x++)
11187         for (y = 0; y < lev_fieldy; y++)
11188           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11189
11190       /* check if undo operation forces change of border style */
11191       CheckLevelBorderElement(FALSE);
11192
11193       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11194
11195       break;
11196
11197     case GADGET_ID_INFO:
11198       if (edit_mode != ED_MODE_INFO)
11199       {
11200         last_edit_mode = edit_mode;
11201         edit_mode = ED_MODE_INFO;
11202
11203         DrawLevelInfoWindow();
11204       }
11205       else
11206       {
11207         edit_mode = last_edit_mode;
11208
11209         DrawEditModeWindow();
11210       }
11211       break;
11212
11213     case GADGET_ID_CLEAR:
11214       if (edit_mode != ED_MODE_DRAWING)
11215       {
11216         DrawDrawingWindow();
11217         edit_mode = ED_MODE_DRAWING;
11218       }
11219
11220       for (x = 0; x < MAX_LEV_FIELDX; x++)
11221         for (y = 0; y < MAX_LEV_FIELDY; y++)
11222           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11223
11224       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11225
11226       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11227       break;
11228
11229     case GADGET_ID_SAVE:
11230       if (leveldir_current->readonly)
11231       {
11232         Request("This level is read only !", REQ_CONFIRM);
11233         break;
11234       }
11235
11236       if (!LevelContainsPlayer())
11237         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
11238       else
11239       {
11240         char *level_filename = getDefaultLevelFilename(level_nr);
11241         boolean new_level = !fileExists(level_filename);
11242
11243         if (new_level ||
11244             Request("Save this level and kill the old ?", REQ_ASK))
11245         {
11246           CopyPlayfield(Feld, level.field);
11247
11248           SaveLevel(level_nr);
11249         }
11250
11251         if (new_level)
11252           Request("Level saved !", REQ_CONFIRM);
11253
11254         level.changed = FALSE;
11255       }
11256       break;
11257
11258     case GADGET_ID_TEST:
11259       if (!LevelContainsPlayer())
11260         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
11261       else
11262       {
11263         if (LevelChanged())
11264           level.game_version = GAME_VERSION_ACTUAL;
11265
11266         CopyPlayfield(level.field, FieldBackup);
11267         CopyPlayfield(Feld, level.field);
11268
11269         CopyNativeLevel_RND_to_Native(&level);
11270
11271         UnmapLevelEditorGadgets();
11272         UndrawSpecialEditorDoor();
11273
11274         CloseDoor(DOOR_CLOSE_ALL);
11275
11276         BackToFront();          /* force redraw of undrawn special door */
11277
11278         DrawCompleteVideoDisplay();
11279
11280         level_editor_test_game = TRUE;
11281
11282         StartGameActions(FALSE, setup.autorecord, level.random_seed);
11283       }
11284       break;
11285
11286     case GADGET_ID_EXIT:
11287       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11288       break;
11289
11290     default:
11291       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11292           id <= GADGET_ID_ELEMENTLIST_LAST)
11293       {
11294         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11295         int new_element = editor_elements[element_position + element_shift];
11296
11297         if (IS_EDITOR_CASCADE(new_element))
11298         {
11299           int i;
11300
11301           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11302           {
11303             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11304             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11305
11306             if (*cascade_element == new_element)
11307             {
11308               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11309               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11310
11311               /* update element selection list */
11312               ReinitializeElementList();
11313               ModifyEditorElementList();
11314
11315               /* update cascading gadget info text */
11316               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11317
11318               /* save current editor cascading state */
11319               SaveSetup_EditorCascade();
11320
11321               break;
11322             }
11323           }
11324
11325           break;
11326         }
11327
11328         if (last_custom_copy_mode != -1)
11329         {
11330           if (CopyCustomElement(properties_element, new_element,
11331                                 last_custom_copy_mode))
11332           {
11333             ClickOnGadget(level_editor_gadget[last_drawing_function],
11334                           MB_LEFTBUTTON);
11335
11336             last_custom_copy_mode = -1;
11337           }
11338
11339           break;
11340         }
11341
11342         PickDrawingElement(button, new_element);
11343
11344         if (!stick_element_properties_window &&
11345             drawing_function != GADGET_ID_PICK_ELEMENT &&
11346             !(GetKeyModState() & KMOD_Control))
11347         {
11348           properties_element = new_element;
11349           if (edit_mode == ED_MODE_PROPERTIES)
11350             DrawPropertiesWindow();
11351         }
11352
11353         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11354           ClickOnGadget(level_editor_gadget[last_drawing_function],
11355                         MB_LEFTBUTTON);
11356       }
11357 #ifdef DEBUG
11358       else if (gi->event.type == GD_EVENT_PRESSED)
11359         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11360       else if (gi->event.type == GD_EVENT_RELEASED)
11361         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11362       else if (gi->event.type == GD_EVENT_MOVING)
11363         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11364       else
11365         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11366 #endif
11367       break;
11368   }
11369 }
11370
11371 void HandleLevelEditorKeyInput(Key key)
11372 {
11373   char letter = getCharFromKey(key);
11374   int button = MB_LEFTBUTTON;
11375
11376   if (drawing_function == GADGET_ID_TEXT &&
11377       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11378   {
11379     if (letter)
11380       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11381     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11382       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11383     else if (key == KSYM_Return)
11384       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11385     else if (key == KSYM_Escape)
11386       DrawLevelText(0, 0, 0, TEXT_END);
11387   }
11388   else if (button_status == MB_RELEASED)
11389   {
11390     int id = GADGET_ID_NONE;
11391     int new_element_shift = element_shift;
11392     int i;
11393
11394     switch (key)
11395     {
11396       case KSYM_Left:
11397         id = GADGET_ID_SCROLL_LEFT;
11398         break;
11399       case KSYM_Right:
11400         id = GADGET_ID_SCROLL_RIGHT;
11401         break;
11402       case KSYM_Up:
11403         id = GADGET_ID_SCROLL_UP;
11404         break;
11405       case KSYM_Down:
11406         id = GADGET_ID_SCROLL_DOWN;
11407         break;
11408       case KSYM_Page_Up:
11409         id = GADGET_ID_SCROLL_LIST_UP;
11410         button = MB_RIGHTBUTTON;
11411         break;
11412       case KSYM_Page_Down:
11413         id = GADGET_ID_SCROLL_LIST_DOWN;
11414         button = MB_RIGHTBUTTON;
11415         break;
11416
11417       case KSYM_Home:
11418       case KSYM_End:
11419         element_shift = (key == KSYM_Home ? 0 :
11420                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11421
11422         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11423                      GDI_SCROLLBAR_ITEM_POSITION,
11424                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11425
11426         ModifyEditorElementList();
11427
11428         break;
11429
11430       case KSYM_Insert:
11431       case KSYM_Delete:
11432
11433         /* this is needed to prevent interference with running "True X-Mouse" */
11434         if (GetKeyModStateFromEvents() & KMOD_Control)
11435           break;
11436
11437         /* check for last or next editor cascade block in element list */
11438         for (i = 0; i < num_editor_elements; i++)
11439         {
11440           if ((key == KSYM_Insert && i == element_shift) ||
11441               (key == KSYM_Delete && new_element_shift > element_shift))
11442             break;
11443
11444           /* jump to next cascade block (or to start of element list) */
11445           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11446             new_element_shift = i;
11447         }
11448
11449         if (i < num_editor_elements)
11450           element_shift = new_element_shift;
11451
11452         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11453           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11454
11455         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11456                      GDI_SCROLLBAR_ITEM_POSITION,
11457                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11458
11459         ModifyEditorElementList();
11460
11461         break;
11462
11463       case KSYM_Escape:
11464         if (edit_mode == ED_MODE_DRAWING)
11465         {
11466           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11467         }
11468         else if (edit_mode == ED_MODE_INFO)
11469         {
11470           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11471         }
11472         else if (edit_mode == ED_MODE_PROPERTIES)
11473         {
11474           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11475         }
11476         else            /* should never happen */
11477         {
11478           DrawDrawingWindow();
11479           edit_mode = ED_MODE_DRAWING;
11480         }
11481
11482         break;
11483
11484       default:
11485         break;
11486     }
11487
11488     if (id != GADGET_ID_NONE)
11489       ClickOnGadget(level_editor_gadget[id], button);
11490     else if (letter == '.')
11491       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11492     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
11493       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11494     else
11495       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11496         if (letter && letter == control_info[i].shortcut)
11497           if (!anyTextGadgetActive())
11498             ClickOnGadget(level_editor_gadget[i], button);
11499   }
11500 }
11501
11502 void HandleLevelEditorIdle()
11503 {
11504   static unsigned long action_delay = 0;
11505   unsigned long action_delay_value = GameFrameDelay;
11506   int xpos = 1, ypos = 2;
11507   int i;
11508
11509   if (edit_mode != ED_MODE_PROPERTIES)
11510     return;
11511
11512   if (!DelayReached(&action_delay, action_delay_value))
11513     return;
11514
11515   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11516   {
11517     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11518
11519     if (gi->mapped && gi->active && gi->selectbox.open)
11520       return;
11521   }
11522
11523   DrawEditorElementAnimation(SX + xpos * TILEX,
11524                              SY + ypos * TILEY + MINI_TILEY / 2);
11525
11526   MarkTileDirty(xpos, ypos);
11527   MarkTileDirty(xpos, ypos + 1);
11528
11529   FrameCounter++;       /* increase animation frame counter */
11530 }
11531
11532 void ClearEditorGadgetInfoText()
11533 {
11534   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11535 }
11536
11537 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11538 {
11539   char infotext[MAX_OUTPUT_LINESIZE + 1];
11540   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11541   int max_infotext_len = getMaxInfoTextLength();
11542
11543   if (gi == NULL || gi->info_text == NULL)
11544     return;
11545
11546   strncpy(infotext, gi->info_text, max_infotext_len);
11547   infotext[max_infotext_len] = '\0';
11548
11549   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11550   {
11551     int key = control_info[gi->custom_id].shortcut;
11552
11553     if (key)
11554     {
11555       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11556         sprintf(shortcut, " ('.' or '%c')", key);
11557       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11558         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11559       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11560         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11561       else                                              /* normal case */
11562         sprintf(shortcut, " ('%s%c')",
11563                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11564
11565       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11566         strcat(infotext, shortcut);
11567     }
11568   }
11569
11570   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11571 }
11572
11573 void HandleEditorGadgetInfoText(void *ptr)
11574 {
11575   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11576
11577   if (game_status != GAME_MODE_EDITOR)
11578     return;
11579
11580   ClearEditorGadgetInfoText();
11581
11582   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11583     return;
11584
11585   /* misuse this function to delete brush cursor, if needed */
11586   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11587     DeleteBrushFromCursor();
11588
11589   PrintEditorGadgetInfoText(gi);
11590 }
11591
11592 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11593 {
11594   static int start_lx, start_ly;
11595   int id = gi->custom_id;
11596   int type_id = gi->custom_type_id;
11597   int sx = gi->event.x;
11598   int sy = gi->event.y;
11599   int lx = sx + level_xpos;
11600   int ly = sy + level_ypos;
11601   int min_sx = 0, min_sy = 0;
11602   int max_sx = gi->drawing.area_xsize - 1;
11603   int max_sy = gi->drawing.area_ysize - 1;
11604   int actual_drawing_function = drawing_function;
11605   int max_infotext_len = getMaxInfoTextLength();
11606   char infotext[MAX_OUTPUT_LINESIZE + 1];
11607   char *text;
11608
11609   infotext[0] = '\0';           /* start with empty info text */
11610
11611   /* pressed Control key: simulate picking element */
11612   if (GetKeyModState() & KMOD_Control)
11613     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11614
11615   ClearEditorGadgetInfoText();
11616
11617   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11618     return;
11619
11620   /* make sure to stay inside drawing area boundaries */
11621   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11622   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11623
11624   if (id == GADGET_ID_DRAWING_LEVEL)
11625   {
11626     if (button_status)
11627     {
11628       int min_lx = 0, min_ly = 0;
11629       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11630
11631       /* get positions inside level field */
11632       lx = sx + level_xpos;
11633       ly = sy + level_ypos;
11634
11635       /* make sure to stay inside level field boundaries */
11636       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11637       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11638
11639       /* correct drawing area positions accordingly */
11640       sx = lx - level_xpos;
11641       sy = ly - level_ypos;
11642     }
11643
11644     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11645     {
11646       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11647       {
11648         if (gi->event.type == GD_EVENT_PRESSED)
11649         {
11650           start_lx = lx;
11651           start_ly = ly;
11652         }
11653
11654         switch (actual_drawing_function)
11655         {
11656           case GADGET_ID_SINGLE_ITEMS:
11657             text = "Drawing single items";
11658             break;
11659           case GADGET_ID_CONNECTED_ITEMS:
11660             text = "Drawing connected items";
11661             break;
11662           case GADGET_ID_LINE:
11663             text = "Drawing line";
11664             break;
11665           case GADGET_ID_ARC:
11666             text = "Drawing arc";
11667             break;
11668           case GADGET_ID_TEXT:
11669             text = "Setting text cursor";
11670             break;
11671           case GADGET_ID_RECTANGLE:
11672             text = "Drawing rectangle";
11673             break;
11674           case GADGET_ID_FILLED_BOX:
11675             text = "Drawing filled box";
11676             break;
11677           case GADGET_ID_FLOOD_FILL:
11678             text = "Flood fill";
11679             break;
11680           case GADGET_ID_GRAB_BRUSH:
11681             text = "Grabbing brush";
11682             break;
11683           case GADGET_ID_PICK_ELEMENT:
11684             text = "Picking element";
11685             break;
11686
11687           default:
11688             text = "Drawing position";
11689             break;
11690         }
11691
11692         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11693           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11694         else
11695           sprintf(infotext, "%s: %d, %d", text,
11696                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11697       }
11698       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11699         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11700       else
11701         sprintf(infotext, "Level position: %d, %d", lx, ly);
11702     }
11703
11704     /* misuse this function to draw brush cursor, if needed */
11705     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11706     {
11707       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11708         CopyBrushToCursor(sx, sy);
11709       else
11710         DeleteBrushFromCursor();
11711     }
11712   }
11713   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11714   {
11715     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11716     int element = drawingarea_info[type_id].value[pos];
11717
11718     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11719   }
11720   else
11721   {
11722     if (id == GADGET_ID_CUSTOM_CONTENT)
11723       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11724     else if (id == GADGET_ID_GROUP_CONTENT)
11725       sprintf(infotext, "group element position: %d", sx + 1);
11726     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11727              id <= GADGET_ID_YAMYAM_CONTENT_7)
11728       sprintf(infotext, "content area %d position: %d, %d",
11729               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11730     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11731              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11732       sprintf(infotext, "content area %d position: %d, %d",
11733               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11734     else if (id == GADGET_ID_ANDROID_CONTENT)
11735       sprintf(infotext, "android element position: %d", sx + 1);
11736     else if (drawingarea_info[type_id].infotext != NULL)
11737       strcpy(infotext, drawingarea_info[type_id].infotext);
11738   }
11739
11740   infotext[max_infotext_len] = '\0';
11741
11742   if (strlen(infotext) > 0)
11743     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11744 }
11745
11746 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11747                             boolean quick_quit)
11748 {
11749   if (!ask_if_level_has_changed ||
11750       !LevelChanged() ||
11751       Request("Level has changed ! Exit without saving ?",
11752               REQ_ASK | REQ_STAY_OPEN))
11753   {
11754     CloseDoor(DOOR_CLOSE_1);
11755     SetDoorState(DOOR_CLOSE_2);
11756
11757 #if 1
11758     if (quick_quit)
11759       FadeSkipNextFadeIn();
11760 #else
11761     if (quick_quit)
11762       fading = fading_none;
11763 #endif
11764
11765     game_status = GAME_MODE_MAIN;
11766 #if 1
11767     DrawAndFadeInMainMenu(REDRAW_FIELD);
11768 #else
11769     DrawMainMenu();
11770 #endif
11771   }
11772   else
11773   {
11774     CloseDoor(DOOR_CLOSE_1);
11775     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11776   }
11777 }