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 #if 1
1051     -1, -1,     /* these values are not constant, but can change at runtime */
1052 #else
1053     DX + 5 - SX,                        DY + 3 - SY,
1054 #endif
1055     1,                                  100,
1056     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1057     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1058     &level_nr,
1059     NULL,                               NULL, NULL
1060   },
1061
1062   /* ---------- level and editor settings ---------------------------------- */
1063
1064   {
1065     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1066     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1067     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1068     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1069     &level.fieldx,
1070     "playfield size:",                  NULL, "width",
1071   },
1072   {
1073     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1074     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1075     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1076     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1077     &level.fieldy,
1078     NULL,                               " ", "height",
1079   },
1080   {
1081     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1082     0,                                  999,
1083     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1084     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1085     &level.gems_needed,
1086     NULL,                               "number of gems to collect:", NULL
1087   },
1088   {
1089     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1090     0,                                  9999,
1091     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1092     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1093     &level.time,
1094     "time or step limit to solve level:", NULL, NULL
1095   },
1096   {
1097     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1098     0,                                  999,
1099     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1100     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1101     &level.score[SC_TIME_BONUS],
1102     "score for each second/step left:", NULL, NULL
1103   },
1104   {
1105     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1106     0,                                  9999,
1107     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1108     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1109     &level.random_seed,
1110     NULL,                               "random seed:", "(0 => random)"
1111   },
1112   {
1113     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1114     1,                                  100,
1115     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1116     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1117     &random_placement_value,
1118     "random element placement:",        NULL, "in"
1119   },
1120
1121   /* ---------- element settings: configure (various elements) ------------- */
1122
1123   {
1124     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1125     MIN_SCORE,                          MAX_SCORE,
1126     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1127     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1128     NULL,                               /* will be set when used */
1129     NULL,                               NULL, NULL
1130   },
1131   {
1132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1133     MIN_SCORE,                          MAX_SCORE,
1134     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1135     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1136     NULL,                               /* will be set when used */
1137     NULL,                               NULL, NULL
1138   },
1139   {
1140     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1141     MIN_SCORE,                          MAX_SCORE,
1142     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1143     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1144     NULL,                               /* will be set when used */
1145     NULL,                               NULL, NULL
1146   },
1147   {
1148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1149     MIN_SCORE,                          MAX_SCORE,
1150     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1151     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1152     NULL,                               /* will be set when used */
1153     NULL,                               NULL, NULL
1154   },
1155   {
1156     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1157     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1158     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1159     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1160     &level.num_yamyam_contents,
1161     NULL,                               NULL, "number of content areas"
1162   },
1163   {
1164     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1165     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1166     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1167     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1168     &level.num_ball_contents,
1169     NULL,                               NULL, "number of content areas"
1170   },
1171   {
1172     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1173     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1174     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1175     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1176     &level.num_android_clone_elements,
1177     NULL,                               NULL, "number of clonable elements"
1178   },
1179   {
1180     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1181     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1182     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1183     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1184     NULL,                               /* will be set when used */
1185     NULL,                               NULL, "width",
1186   },
1187   {
1188     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1189     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1190     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1191     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1192     NULL,                               /* will be set when used */
1193     NULL,                               " ", "height",
1194   },
1195   {
1196     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1197     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1198     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1199     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1200     &level.initial_inventory_size[0],
1201     NULL,                               NULL, "number of inventory elements"
1202   },
1203
1204   /* ---------- element settings: configure 1 (custom elements) ------------ */
1205
1206   {
1207     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1208     MIN_SCORE,                          MAX_SCORE,
1209     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1210     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1211     &custom_element.collect_score_initial,
1212     NULL,                               "CE score", " "
1213   },
1214   {
1215     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1216     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1217     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1218     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1219     &custom_element.collect_count_initial,
1220     NULL,                               "CE count", NULL
1221   },
1222   {
1223     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1224     0,                                  9999,
1225     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1226     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1227     &custom_element.ce_value_fixed_initial,
1228     NULL,                               "CE value", NULL
1229   },
1230   {
1231     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1232     0,                                  9999,
1233     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1234     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1235     &custom_element.ce_value_random_initial,
1236     NULL,                               "+random", NULL
1237   },
1238   {
1239     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1240     0,                                  999,
1241     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1242     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1243     &custom_element.push_delay_fixed,
1244     NULL,                               "push delay", NULL
1245   },
1246   {
1247     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1248     0,                                  999,
1249     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1250     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1251     &custom_element.push_delay_random,
1252     NULL,                               "+random", NULL
1253   },
1254   {
1255     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1256     0,                                  999,
1257     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1258     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1259     &custom_element.drop_delay_fixed,
1260     NULL,                               "drop delay", NULL
1261   },
1262   {
1263     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1264     0,                                  999,
1265     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1266     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1267     &custom_element.drop_delay_random,
1268     NULL,                               "+random", NULL
1269   },
1270
1271   /* ---------- element settings: configure 2 (custom elements) ------------ */
1272
1273   {
1274     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1275     0,                                  999,
1276     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1277     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1278     &custom_element.move_delay_fixed,
1279     NULL,                               "move delay", NULL
1280   },
1281   {
1282     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1283     0,                                  999,
1284     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1285     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1286     &custom_element.move_delay_random,
1287     NULL,                               "+random", NULL
1288   },
1289   {
1290     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1291     0,                                  999,
1292     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1293     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1294     &custom_element.explosion_delay,
1295     NULL,                               "explosion delay", NULL
1296   },
1297   {
1298     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1299     0,                                  999,
1300     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1301     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1302     &custom_element.ignition_delay,
1303     NULL,                               "ignition delay", "(by fire)"
1304   },
1305
1306   /* ---------- element settings: configure (group elements) --------------- */
1307
1308   {
1309     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1310     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1311     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1312     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1313     &group_element_info.num_elements,
1314     NULL,                               NULL, "number of elements in group"
1315   },
1316
1317   /* ---------- element settings: advanced (custom elements) --------------- */
1318
1319   {
1320     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1321     0,                                  999,
1322     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1323     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1324     &custom_element_change.delay_fixed,
1325     NULL,                               "CE delay", NULL,
1326   },
1327   {
1328     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1329     0,                                  999,
1330     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1331     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1332     &custom_element_change.delay_random,
1333     NULL,                               "+random", NULL
1334   },
1335   {
1336     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1337     0,                                  100,
1338     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1339     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1340     &custom_element_change.random_percentage,
1341     NULL,                               "use random replace:", "%"
1342   },
1343 };
1344
1345 static struct
1346 {
1347   int x, y;
1348   int gadget_id;
1349   int size;
1350   char *value;
1351   char *text_above, *infotext;
1352 } textinput_info[ED_NUM_TEXTINPUT] =
1353 {
1354   {
1355     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1356     GADGET_ID_LEVEL_NAME,
1357     MAX_LEVEL_NAME_LEN,
1358     level.name,
1359     "Title:", "Title"
1360   },
1361   {
1362     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1363     GADGET_ID_LEVEL_AUTHOR,
1364     MAX_LEVEL_AUTHOR_LEN,
1365     level.author,
1366     "Author:", "Author"
1367   },
1368   {
1369     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1370     GADGET_ID_ELEMENT_NAME,
1371     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1372     custom_element.description,
1373     NULL, "Element name"
1374   }
1375 };
1376
1377 static struct
1378 {
1379   int x, y;
1380   int gadget_id;
1381   int xsize, ysize;
1382   char *value;
1383   char *text_above, *infotext;
1384 } textarea_info[ED_NUM_TEXTAREAS] =
1385 {
1386   {
1387     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1388     GADGET_ID_ENVELOPE_INFO,
1389     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1390     NULL,
1391     "Envelope Content:", "Envelope Content"
1392   }
1393 };
1394
1395 static struct ValueTextInfo options_time_or_steps[] =
1396 {
1397   { 0,                          "seconds"                       },
1398   { 1,                          "steps"                         },
1399
1400   { -1,                         NULL                            }
1401 };
1402
1403 static struct ValueTextInfo options_game_engine_type[] =
1404 {
1405   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1406   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1407   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1408
1409   { -1,                         NULL                            }
1410 };
1411
1412 static struct ValueTextInfo options_wind_direction[] =
1413 {
1414   { MV_START_NONE,              "none"                          },
1415   { MV_START_LEFT,              "left"                          },
1416   { MV_START_RIGHT,             "right"                         },
1417   { MV_START_UP,                "up"                            },
1418   { MV_START_DOWN,              "down"                          },
1419
1420   { -1,                         NULL                            }
1421 };
1422
1423 static struct ValueTextInfo options_player_speed[] =
1424 {
1425   { 0,                          "frozen"                        },
1426   { 1,                          "very slow"                     },
1427   { 2,                          "slow"                          },
1428   { 4,                          "normal"                        },
1429   { 8,                          "fast"                          },
1430   { 16,                         "very fast"                     },
1431   { 32,                         "ultrafast"                     },
1432
1433   { -1,                         NULL                            }
1434 };
1435
1436 static struct ValueTextInfo options_access_type[] =
1437 {
1438   { EP_WALKABLE,                "walkable"                      },
1439   { EP_PASSABLE,                "passable"                      },
1440
1441   { -1,                         NULL                            }
1442 };
1443
1444 static struct ValueTextInfo options_access_layer[] =
1445 {
1446   { EP_ACCESSIBLE_OVER,         "over"                          },
1447   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1448   { EP_ACCESSIBLE_UNDER,        "under"                         },
1449
1450   { -1,                         NULL                            }
1451 };
1452
1453 static struct ValueTextInfo options_access_protected[] =
1454 {
1455   { 0,                          "unprotected"                   },
1456   { 1,                          "protected"                     },
1457
1458   { -1,                         NULL                            }
1459 };
1460
1461 static struct ValueTextInfo options_access_direction[] =
1462 {
1463   { MV_NO_DIRECTION,            "no direction"                  },
1464   { MV_LEFT,                    "left"                          },
1465   { MV_RIGHT,                   "right"                         },
1466   { MV_UP,                      "up"                            },
1467   { MV_DOWN,                    "down"                          },
1468   { MV_LEFT  | MV_UP,           "left + up"                     },
1469   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1470   { MV_RIGHT | MV_UP,           "right + up"                    },
1471   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1472   { MV_HORIZONTAL,              "horizontal"                    },
1473   { MV_VERTICAL,                "vertical"                      },
1474   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1475   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1476   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1477   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1478   { MV_ALL_DIRECTIONS,          "all directions"                },
1479
1480   { -1,                         NULL                            }
1481 };
1482
1483 static struct ValueTextInfo options_walk_to_action[] =
1484 {
1485   { EP_DIGGABLE,                "diggable"                      },
1486   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1487   { EP_DROPPABLE,               "collectible & droppable"       },
1488   { EP_THROWABLE,               "collectible & throwable"       },
1489   { EP_PUSHABLE,                "pushable"                      },
1490
1491   { -1,                         NULL                            }
1492 };
1493
1494 static struct ValueTextInfo options_move_pattern[] =
1495 {
1496   { MV_LEFT,                    "left"                          },
1497   { MV_RIGHT,                   "right"                         },
1498   { MV_UP,                      "up"                            },
1499   { MV_DOWN,                    "down"                          },
1500   { MV_HORIZONTAL,              "horizontal"                    },
1501   { MV_VERTICAL,                "vertical"                      },
1502   { MV_ALL_DIRECTIONS,          "all directions"                },
1503   { MV_WIND_DIRECTION,          "wind direction"                },
1504   { MV_TOWARDS_PLAYER,          "towards player"                },
1505   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1506   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1507   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1508   { MV_TURNING_LEFT,            "turning left"                  },
1509   { MV_TURNING_RIGHT,           "turning right"                 },
1510   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1511   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1512   { MV_TURNING_RANDOM,          "turning random"                },
1513   { MV_MAZE_RUNNER,             "maze runner style"             },
1514   { MV_MAZE_HUNTER,             "maze hunter style"             },
1515   { MV_WHEN_PUSHED,             "when pushed"                   },
1516   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1517
1518   { -1,                         NULL                            }
1519 };
1520
1521 static struct ValueTextInfo options_move_direction[] =
1522 {
1523   { MV_START_AUTOMATIC,         "automatic"                     },
1524   { MV_START_LEFT,              "left"                          },
1525   { MV_START_RIGHT,             "right"                         },
1526   { MV_START_UP,                "up"                            },
1527   { MV_START_DOWN,              "down"                          },
1528   { MV_START_RANDOM,            "random"                        },
1529   { MV_START_PREVIOUS,          "previous"                      },
1530
1531   { -1,                         NULL                            }
1532 };
1533
1534 static struct ValueTextInfo options_move_stepsize[] =
1535 {
1536   { 0,                          "not moving"                    },
1537   { 1,                          "very slow"                     },
1538   { 2,                          "slow"                          },
1539   { 4,                          "normal"                        },
1540   { 8,                          "fast"                          },
1541   { 16,                         "very fast"                     },
1542   { 32,                         "even faster"                   },
1543
1544   { -1,                         NULL                            }
1545 };
1546
1547 static struct ValueTextInfo options_move_leave_type[] =
1548 {
1549   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1550   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1551
1552   { -1,                         NULL                            }
1553 };
1554
1555 static struct ValueTextInfo options_smash_targets[] =
1556 {
1557   { EP_CAN_SMASH_PLAYER,        "player"                        },
1558 #if 0
1559   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1560 #endif
1561   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1562
1563   { -1,                         NULL                            }
1564 };
1565
1566 static struct ValueTextInfo options_slippery_type[] =
1567 {
1568   { SLIPPERY_ANY_RANDOM,        "random"                        },
1569   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1570   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1571   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1572   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1573
1574   { -1,                         NULL                            }
1575 };
1576
1577 static struct ValueTextInfo options_deadliness[] =
1578 {
1579   { EP_DONT_RUN_INTO,           "running into"                  },
1580   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1581   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1582   { EP_DONT_TOUCH,              "touching"                      },
1583
1584   { -1,                         NULL                            }
1585 };
1586
1587 static struct ValueTextInfo options_explosion_type[] =
1588 {
1589   { EXPLODES_3X3,               "3x3"                           },
1590   { EXPLODES_CROSS,             "3+3"                           },
1591   { EXPLODES_1X1,               "1x1"                           },
1592
1593   { -1,                         NULL                            }
1594 };
1595
1596 static struct ValueTextInfo options_time_units[] =
1597 {
1598   { 1,                          "frames"                        },
1599   { FRAMES_PER_SECOND,          "seconds"                       },
1600
1601   { -1,                         NULL                            }
1602 };
1603
1604 static struct ValueTextInfo options_change_direct_action[] =
1605 {
1606   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1607   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1608   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1609   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1610   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1611   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1612   { CE_LEFT_BY_PLAYER,          "left by player"                },
1613   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1614   { CE_SWITCHED,                "switched"                      },
1615   { CE_HITTING_SOMETHING,       "hitting something"             },
1616   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1617 #if 0
1618   { CE_BLOCKED,                 "blocked"                       },
1619 #endif
1620   { CE_IMPACT,                  "impact (on something)"         },
1621   { CE_SMASHED,                 "smashed (from above)"          },
1622 #if 0
1623   { CE_VALUE_CHANGES,           "CE value changes"              },
1624   { CE_SCORE_CHANGES,           "CE score changes"              },
1625 #endif
1626   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1627   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1628
1629   { -1,                         NULL                            }
1630 };
1631
1632 static struct ValueTextInfo options_change_other_action[] =
1633 {
1634   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1635   { CE_PLAYER_PRESSES_X,        "player presses"                },
1636   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1637   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1638   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1639   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1640   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1641   { CE_PLAYER_DIGS_X,           "player digs"                   },
1642   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1643   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1644   { CE_TOUCHING_X,              "touching"                      },
1645   { CE_HITTING_X,               "hitting"                       },
1646   { CE_DIGGING_X,               "digging"                       },
1647   { CE_HIT_BY_X,                "hit by"                        },
1648   { CE_SWITCH_OF_X,             "switch of"                     },
1649   { CE_CHANGE_OF_X,             "change by page of"             },
1650   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1651   { CE_MOVE_OF_X,               "move of"                       },
1652   { CE_CREATION_OF_X,           "creation of"                   },
1653   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1654   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1655   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1656   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1657
1658   { -1,                         NULL                            }
1659 };
1660
1661 static struct ValueTextInfo options_change_trigger_side[] =
1662 {
1663   { CH_SIDE_LEFT,               "left"                          },
1664   { CH_SIDE_RIGHT,              "right"                         },
1665   { CH_SIDE_TOP,                "top"                           },
1666   { CH_SIDE_BOTTOM,             "bottom"                        },
1667   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1668   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1669   { CH_SIDE_ANY,                "any"                           },
1670
1671   { -1,                         NULL                            }
1672 };
1673
1674 static struct ValueTextInfo options_change_trigger_player[] =
1675 {
1676   { CH_PLAYER_1,                "1"                             },
1677   { CH_PLAYER_2,                "2"                             },
1678   { CH_PLAYER_3,                "3"                             },
1679   { CH_PLAYER_4,                "4"                             },
1680   { CH_PLAYER_ANY,              "any"                           },
1681
1682   { -1,                         NULL                            }
1683 };
1684
1685 static struct ValueTextInfo options_change_trigger_page[] =
1686 {
1687   { (1 << 0),                   "1"                             },
1688   { (1 << 1),                   "2"                             },
1689   { (1 << 2),                   "3"                             },
1690   { (1 << 3),                   "4"                             },
1691   { (1 << 4),                   "5"                             },
1692   { (1 << 5),                   "6"                             },
1693   { (1 << 6),                   "7"                             },
1694   { (1 << 7),                   "8"                             },
1695   { (1 << 8),                   "9"                             },
1696   { (1 << 9),                   "10"                            },
1697   { (1 << 10),                  "11"                            },
1698   { (1 << 11),                  "12"                            },
1699   { (1 << 12),                  "13"                            },
1700   { (1 << 13),                  "14"                            },
1701   { (1 << 14),                  "15"                            },
1702   { (1 << 15),                  "16"                            },
1703   { (1 << 16),                  "17"                            },
1704   { (1 << 17),                  "18"                            },
1705   { (1 << 18),                  "19"                            },
1706   { (1 << 19),                  "20"                            },
1707   { (1 << 20),                  "21"                            },
1708   { (1 << 21),                  "22"                            },
1709   { (1 << 22),                  "23"                            },
1710   { (1 << 23),                  "24"                            },
1711   { (1 << 24),                  "25"                            },
1712   { (1 << 25),                  "26"                            },
1713   { (1 << 26),                  "27"                            },
1714   { (1 << 27),                  "28"                            },
1715   { (1 << 28),                  "29"                            },
1716   { (1 << 29),                  "30"                            },
1717   { (1 << 30),                  "31"                            },
1718   { (1 << 31),                  "32"                            },
1719   { CH_PAGE_ANY,                "any"                           },
1720
1721   { -1,                         NULL                            }
1722 };
1723
1724 static struct ValueTextInfo options_change_replace_when[] =
1725 {
1726   { CP_WHEN_EMPTY,              "empty"                         },
1727   { CP_WHEN_WALKABLE,           "walkable"                      },
1728   { CP_WHEN_DIGGABLE,           "diggable"                      },
1729   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1730   { CP_WHEN_REMOVABLE,          "removable"                     },
1731   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1732
1733   { -1,                         NULL                            }
1734 };
1735
1736 static struct ValueTextInfo options_action_type[] =
1737 {
1738   { CA_NO_ACTION,               "no action"                     },
1739   { CA_UNDEFINED,               " "                             },
1740   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1741   { CA_RESTART_LEVEL,           "restart level"                 },
1742   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1743   { CA_SET_LEVEL_TIME,          "set time"                      },
1744   { CA_SET_LEVEL_SCORE,         "set score"                     },
1745   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1746   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1747   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1748   { CA_UNDEFINED,               " "                             },
1749   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1750   { CA_MOVE_PLAYER,             "move player"                   },
1751   { CA_EXIT_PLAYER,             "exit player"                   },
1752   { CA_KILL_PLAYER,             "kill player"                   },
1753   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1754   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1755   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1756   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1757   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1758   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1759   { CA_UNDEFINED,               " "                             },
1760   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1761   { CA_SET_CE_VALUE,            "set CE value"                  },
1762   { CA_SET_CE_SCORE,            "set CE score"                  },
1763   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1764   { CA_UNDEFINED,               " "                             },
1765   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1766   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1767
1768   { -1,                         NULL                            }
1769 };
1770
1771 static struct ValueTextInfo options_action_mode_none[] =
1772 {
1773   { CA_MODE_UNDEFINED,          " "                             },
1774
1775   { -1,                         NULL                            }
1776 };
1777
1778 static struct ValueTextInfo options_action_mode_assign[] =
1779 {
1780   { CA_MODE_SET,                "="                             },
1781
1782   { -1,                         NULL                            }
1783 };
1784
1785 static struct ValueTextInfo options_action_mode_add_remove[] =
1786 {
1787   { CA_MODE_ADD,                "+"                             },
1788   { CA_MODE_SUBTRACT,           "-"                             },
1789
1790   { -1,                         NULL                            }
1791 };
1792
1793 static struct ValueTextInfo options_action_mode_calculate[] =
1794 {
1795   { CA_MODE_SET,                "="                             },
1796   { CA_MODE_ADD,                "+"                             },
1797   { CA_MODE_SUBTRACT,           "-"                             },
1798   { CA_MODE_MULTIPLY,           "*"                             },
1799   { CA_MODE_DIVIDE,             "/"                             },
1800   { CA_MODE_MODULO,             "%"                             },
1801
1802   { -1,                         NULL                            }
1803 };
1804
1805 static struct ValueTextInfo options_action_arg_none[] =
1806 {
1807   { CA_ARG_UNDEFINED,           "         "                     },
1808
1809   { -1,                         NULL                            }
1810 };
1811
1812 static struct ValueTextInfo options_action_arg_player[] =
1813 {
1814   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1815   { CA_ARG_PLAYER_1,            "1"                             },
1816   { CA_ARG_PLAYER_2,            "2"                             },
1817   { CA_ARG_PLAYER_3,            "3"                             },
1818   { CA_ARG_PLAYER_4,            "4"                             },
1819   { CA_ARG_PLAYER_ANY,          "any"                           },
1820   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1821   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1822
1823   { -1,                         NULL                            }
1824 };
1825
1826 static struct ValueTextInfo options_action_arg_number[] =
1827 {
1828   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1829   { CA_ARG_0,                   "0"                             },
1830   { CA_ARG_1,                   "1"                             },
1831   { CA_ARG_2,                   "2"                             },
1832   { CA_ARG_3,                   "3"                             },
1833   { CA_ARG_4,                   "4"                             },
1834   { CA_ARG_5,                   "5"                             },
1835   { CA_ARG_10,                  "10"                            },
1836   { CA_ARG_100,                 "100"                           },
1837   { CA_ARG_1000,                "1000"                          },
1838   { CA_ARG_UNDEFINED,           " "                             },
1839   { CA_ARG_NUMBER_MIN,          "min"                           },
1840   { CA_ARG_NUMBER_MAX,          "max"                           },
1841   { CA_ARG_UNDEFINED,           " "                             },
1842   { CA_ARG_NUMBER_RESET,        "reset"                         },
1843   { CA_ARG_UNDEFINED,           " "                             },
1844   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1845   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1846   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1847   { CA_ARG_UNDEFINED,           " "                             },
1848   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1849   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1850   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1851   { CA_ARG_UNDEFINED,           " "                             },
1852   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1853   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1854   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1855   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1856   { CA_ARG_UNDEFINED,           " "                             },
1857   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1858   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1859   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1860   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1861
1862   { -1,                         NULL                            }
1863 };
1864
1865 static struct ValueTextInfo options_action_arg_value[] =
1866 {
1867   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1868   { CA_ARG_0,                   "0"                             },
1869   { CA_ARG_1,                   "1"                             },
1870   { CA_ARG_2,                   "2"                             },
1871   { CA_ARG_3,                   "3"                             },
1872   { CA_ARG_4,                   "4"                             },
1873   { CA_ARG_5,                   "5"                             },
1874   { CA_ARG_10,                  "10"                            },
1875   { CA_ARG_100,                 "100"                           },
1876   { CA_ARG_1000,                "1000"                          },
1877   { CA_ARG_UNDEFINED,           " "                             },
1878   { CA_ARG_NUMBER_MIN,          "min"                           },
1879   { CA_ARG_NUMBER_MAX,          "max"                           },
1880   { CA_ARG_UNDEFINED,           " "                             },
1881   { CA_ARG_NUMBER_RESET,        "reset"                         },
1882   { CA_ARG_UNDEFINED,           " "                             },
1883   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1884   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1885   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1886   { CA_ARG_UNDEFINED,           " "                             },
1887   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1888   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1889   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1890   { CA_ARG_UNDEFINED,           " "                             },
1891   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1892   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1893   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1894   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1895   { CA_ARG_UNDEFINED,           " "                             },
1896   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1897   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1898   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1899   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1900   { CA_ARG_UNDEFINED,           " "                             },
1901   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1902   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1903   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1904   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1905
1906   { -1,                         NULL                            }
1907 };
1908
1909 static struct ValueTextInfo options_action_arg_envelope[] =
1910 {
1911   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1912   { CA_ARG_1,                   "1"                             },
1913   { CA_ARG_2,                   "2"                             },
1914   { CA_ARG_3,                   "3"                             },
1915   { CA_ARG_4,                   "4"                             },
1916   { CA_ARG_UNDEFINED,           " "                             },
1917   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1918   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1919   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1920   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1921
1922   { -1,                         NULL                            }
1923 };
1924
1925 static struct ValueTextInfo options_action_arg_key[] =
1926 {
1927   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1928   { CA_ARG_1,                   "1"                             },
1929   { CA_ARG_2,                   "2"                             },
1930   { CA_ARG_3,                   "3"                             },
1931   { CA_ARG_4,                   "4"                             },
1932   { CA_ARG_5,                   "5"                             },
1933   { CA_ARG_6,                   "6"                             },
1934   { CA_ARG_7,                   "7"                             },
1935   { CA_ARG_8,                   "8"                             },
1936   { CA_ARG_UNDEFINED,           " "                             },
1937   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1938   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1939   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1940   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1941
1942   { -1,                         NULL                            }
1943 };
1944
1945 static struct ValueTextInfo options_action_arg_speed[] =
1946 {
1947   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1948   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1949   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1950   { CA_ARG_SPEED_SLOW,          "slow"                          },
1951   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1952   { CA_ARG_SPEED_FAST,          "fast"                          },
1953   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1954   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1955   { CA_ARG_UNDEFINED,           " "                             },
1956   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1957   { CA_ARG_SPEED_FASTER,        "faster"                        },
1958   { CA_ARG_UNDEFINED,           " "                             },
1959   { CA_ARG_SPEED_RESET,         "reset"                         },
1960
1961   { -1,                         NULL                            }
1962 };
1963
1964 static struct ValueTextInfo options_action_arg_shield[] =
1965 {
1966   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1967   { CA_ARG_SHIELD_OFF,          "off"                           },
1968   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1969   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1970
1971   { -1,                         NULL                            }
1972 };
1973
1974 static struct ValueTextInfo options_action_arg_artwork[] =
1975 {
1976   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1977   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1978   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1979   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1980   { CA_ARG_UNDEFINED,           " "                             },
1981   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1982
1983   { -1,                         NULL                            }
1984 };
1985
1986 static struct ValueTextInfo options_action_arg_gravity[] =
1987 {
1988   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1989   { CA_ARG_GRAVITY_ON,          "on"                            },
1990   { CA_ARG_GRAVITY_OFF,         "off"                           },
1991   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1992
1993   { -1,                         NULL                            }
1994 };
1995
1996 static struct ValueTextInfo options_action_arg_direction[] =
1997 {
1998   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1999   { CA_ARG_DIRECTION_NONE,      "none"                          },
2000   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2001   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2002   { CA_ARG_DIRECTION_UP,        "up"                            },
2003   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2004   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2005   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2006
2007   { -1,                         NULL                            }
2008 };
2009
2010 static struct ValueTextInfo options_action_arg_scan_mode[] =
2011 {
2012   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2013   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2014   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_action_arg_inventory[] =
2020 {
2021   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2022   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2023   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2024   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2025   { CA_ARG_UNDEFINED,           " "                             },
2026   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2027   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2028   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2029   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2030   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2031   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2032   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2033   { CA_ARG_UNDEFINED,           " "                             },
2034   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2035
2036   { -1,                         NULL                            }
2037 };
2038
2039 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2040 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2041 {
2042   { -1,                         NULL                            }
2043 };
2044
2045 static struct ValueTextInfo options_group_choice_mode[] =
2046 {
2047   { ANIM_RANDOM,                "random"                        },
2048   { ANIM_LOOP,                  "loop"                          },
2049   { ANIM_LINEAR,                "linear"                        },
2050   { ANIM_PINGPONG,              "pingpong"                      },
2051   { ANIM_PINGPONG2,             "pingpong 2"                    },
2052
2053   { -1,                         NULL                            }
2054 };
2055
2056 static struct ValueTextInfo *action_arg_modes[] =
2057 {
2058   options_action_mode_none,
2059   options_action_mode_assign,
2060   options_action_mode_add_remove,
2061   options_action_mode_calculate,
2062 };
2063
2064 static struct
2065 {
2066   int value;
2067   int mode;
2068   struct ValueTextInfo *options;
2069 }
2070 action_arg_options[] =
2071 {
2072   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2073   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2074   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2075   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2076   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2077   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2078   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2079   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2080   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2081   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2082   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2083   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2084   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2085   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2086   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2087   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2088   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2089   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2090   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2091   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2092   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2093
2094   { -1,                         FALSE,  NULL                            }
2095 };
2096
2097 static struct
2098 {
2099   int x, y;
2100   int gadget_id;
2101   int gadget_id_align;
2102   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2103   struct ValueTextInfo *options;
2104   int *value;
2105   char *text_left, *text_right, *infotext;
2106 } selectbox_info[ED_NUM_SELECTBOX] =
2107 {
2108   /* ---------- level and editor settings ---------------------------------- */
2109
2110   {
2111     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2112     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2113     -1,
2114     options_time_or_steps,
2115     &level.use_step_counter,
2116     NULL, "(0 => no limit)",            "time or step limit"
2117   },
2118   {
2119     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2120     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2121     -1,
2122     options_game_engine_type,
2123     &level.game_engine_type,
2124     "game engine:", NULL,               "game engine"
2125   },
2126   {
2127     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2128     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2129     -1,
2130     options_wind_direction,
2131     &level.wind_direction_initial,
2132     "initial wind direction:", NULL,    "initial wind direction"
2133   },
2134
2135   /* ---------- element settings: configure (several elements) ------------- */
2136
2137   {
2138     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2139     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2140     -1,
2141     options_player_speed,
2142     &level.initial_player_stepsize[0],
2143     "initial player speed:", NULL,      "initial player speed"
2144   },
2145
2146   /* ---------- element settings: configure 1 (custom elements) ------------ */
2147
2148   {
2149     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2150     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2151     -1,
2152     options_access_type,
2153     &custom_element.access_type,
2154     NULL, NULL,                         "type of access to this field"
2155   },
2156   {
2157     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2158     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2159     -1,
2160     options_access_layer,
2161     &custom_element.access_layer,
2162     NULL, NULL,                         "layer of access for this field"
2163   },
2164   {
2165     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2166     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2167     -1,
2168     options_access_protected,
2169     &custom_element.access_protected,
2170     NULL, NULL,                         "protected access for this field"
2171   },
2172   {
2173     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2174     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2175     -1,
2176     options_access_direction,
2177     &custom_element.access_direction,
2178     "from", NULL,                       "access direction for this field"
2179   },
2180   {
2181     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2182     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2183     -1,
2184     options_walk_to_action,
2185     &custom_element.walk_to_action,
2186     NULL, NULL,                         "diggable/collectible/pushable"
2187   },
2188
2189   /* ---------- element settings: configure 2 (custom elements) ------------ */
2190
2191   {
2192     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2193     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2194     -1,
2195     options_move_pattern,
2196     &custom_element.move_pattern,
2197     "can move", NULL,                   "element move pattern"
2198   },
2199   {
2200     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2201     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2202     -1,
2203     options_move_direction,
2204     &custom_element.move_direction_initial,
2205     "starts moving", NULL,              "initial element move direction"
2206   },
2207   {
2208     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2209     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2210     -1,
2211     options_move_stepsize,
2212     &custom_element.move_stepsize,
2213     "move/fall speed", NULL,            "speed of element movement"
2214   },
2215   {
2216     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2217     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2218     -1,
2219     options_move_leave_type,
2220     &custom_element.move_leave_type,
2221     "can dig:    can", ":",             "leave behind or change element"
2222   },
2223   {
2224     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2225     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2226     -1,
2227     options_smash_targets,
2228     &custom_element.smash_targets,
2229     "can smash", NULL,                  "elements that can be smashed"
2230   },
2231   {
2232     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2233     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2234     -1,
2235     options_slippery_type,
2236     &custom_element.slippery_type,
2237     "slippery", NULL,                   "where other elements fall down"
2238   },
2239   {
2240     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2241     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2242     -1,
2243     options_deadliness,
2244     &custom_element.deadliness,
2245     "deadly when", NULL,                "deadliness of element"
2246   },
2247   {
2248     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2249     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2250     -1,
2251     options_explosion_type,
2252     &custom_element.explosion_type,
2253     "can explode", NULL,                "explosion type"
2254   },
2255
2256   /* ---------- element settings: advanced (custom elements) --------------- */
2257
2258   {
2259     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2260     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2261     -1,
2262     options_time_units,
2263     &custom_element_change.delay_frames,
2264     "delay time given in", NULL,        "delay time units for change"
2265   },
2266   {
2267     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2268     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2269     -1,
2270     options_change_direct_action,
2271     &custom_element_change.direct_action,
2272     NULL, NULL,                         "type of direct action"
2273   },
2274   {
2275     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2276     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2277     -1,
2278     options_change_other_action,
2279     &custom_element_change.other_action,
2280     NULL, "element:",                   "type of other element action"
2281   },
2282   {
2283     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2284     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2285     -1,
2286     options_change_trigger_side,
2287     &custom_element_change.trigger_side,
2288     "at", "side",                       "element side triggering change"
2289   },
2290   {
2291     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2292     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2293     -1,
2294     options_change_trigger_player,
2295     &custom_element_change.trigger_player,
2296     "player:", " ",                     "player that causes change"
2297   },
2298   {
2299     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2300     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2301     -1,
2302     options_change_trigger_page,
2303     &custom_element_change.trigger_page,
2304     "page:", NULL,                      "change page that causes change"
2305   },
2306   {
2307     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2308     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2309     -1,
2310     options_change_replace_when,
2311     &custom_element_change.replace_when,
2312     "replace when", NULL,               "which elements can be replaced"
2313   },
2314   {
2315     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2316     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2317     -1,
2318     options_action_type,
2319     &custom_element_change.action_type,
2320     NULL, NULL,                         "action on specified condition"
2321   },
2322   {
2323     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2324     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2325     -1,
2326     options_action_mode_none,
2327     &custom_element_change.action_mode,
2328     NULL, NULL,                         "action operator"
2329   },
2330   {
2331     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2332     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2333     -1,
2334     options_action_arg_none,
2335     &custom_element_change.action_arg,
2336     NULL, NULL,                         "action parameter"
2337   },
2338   {
2339     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2340     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2341     3,
2342     options_change_page,
2343     &custom_element.current_change_page,
2344     NULL, NULL,                         "element change page"
2345   },
2346
2347   /* ---------- element settings: configure (group elements) --------------- */
2348
2349   {
2350     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2351     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2352     -1,
2353     options_group_choice_mode,
2354     &group_element_info.choice_mode,
2355     "choice type:", NULL,               "type of group element choice"
2356   },
2357 };
2358
2359 static struct
2360 {
2361   int x, y;
2362   int gadget_id;
2363   int gadget_id_align;
2364   int size;
2365   char *text;
2366   char *text_left, *text_right, *infotext;
2367 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2368 {
2369   {
2370     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2371     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2372     8,                                  "Level",
2373     NULL, NULL,                         "Configure level properties"
2374   },
2375   {
2376     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2377     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2378     8,                                  "Editor",
2379     NULL, NULL,                         "Configure editor properties"
2380   },
2381   {
2382     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2383     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2384     8,                                  "Info",
2385     NULL, NULL,                         "Show information about element"
2386   },
2387   {
2388     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2389     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2390     8,                                  "Config",
2391     NULL, NULL,                         "Configure element properties"
2392   },
2393   {
2394     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2395     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2396     8,                                  "Config 1",
2397     NULL, NULL,                         "Configure element properties, part 1"
2398   },
2399   {
2400     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2401     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2402     8,                                  "Config 2",
2403     NULL, NULL,                         "Configure element properties, part 2"
2404   },
2405   {
2406     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2407     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2408     8,                                  "Change",
2409     NULL, NULL,                         "Configure custom element change pages"
2410   },
2411   {
2412     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2413     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2414     -1,                                 "Save",
2415     " ", "As Template",                 "Save current settings as new template"
2416   },
2417   {
2418     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2419     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2420     -1,                                 "New",
2421     NULL, NULL,                         "Add new change page"
2422   },
2423   {
2424     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2425     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2426     -1,                                 "Delete",
2427     NULL, NULL,                         "Delete current change page"
2428   },
2429 };
2430
2431 static struct
2432 {
2433   int gd_x, gd_y;
2434   int x, y;
2435   int width, height;
2436   int gadget_id;
2437   int gadget_id_align;
2438   char *text_left, *text_right, *infotext;
2439 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2440 {
2441   {
2442     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2443     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2444     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2445     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2446     NULL, NULL,                         "select previous change page"
2447   },
2448   {
2449     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2450     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2451     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2452     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2453     NULL, "change page",                "select next change page"
2454   },
2455   {
2456     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2457     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2458     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2459     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2460     " ", NULL,                          "copy settings from this change page"
2461   },
2462   {
2463     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2464     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2465     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2466     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2467     NULL, NULL,                         "paste settings to this change page"
2468   },
2469 };
2470
2471 static struct
2472 {
2473   int gd_x, gd_y;
2474   int x, y;
2475   int gadget_id;
2476   char *infotext;
2477 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2478 {
2479   {
2480     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
2481 #if 1
2482     -1, -1,     /* these values are not constant, but can change at runtime */
2483 #else
2484     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
2485 #endif
2486     GADGET_ID_SCROLL_UP,
2487     "scroll level editing area up"
2488   },
2489   {
2490     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
2491 #if 1
2492     -1, -1,     /* these values are not constant, but can change at runtime */
2493 #else
2494     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
2495 #endif
2496     GADGET_ID_SCROLL_DOWN,
2497     "scroll level editing area down"
2498   },
2499   {
2500     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
2501 #if 1
2502     -1, -1,     /* these values are not constant, but can change at runtime */
2503 #else
2504     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
2505 #endif
2506     GADGET_ID_SCROLL_LEFT,
2507     "scroll level editing area left"
2508   },
2509   {
2510     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
2511 #if 1
2512     -1, -1,     /* these values are not constant, but can change at runtime */
2513 #else
2514     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
2515 #endif
2516     GADGET_ID_SCROLL_RIGHT,
2517     "scroll level editing area right"
2518   },
2519   {
2520     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
2521     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
2522     GADGET_ID_SCROLL_LIST_UP,
2523     "scroll element list up ('Page Up')"
2524   },
2525   {
2526     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
2527     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
2528     GADGET_ID_SCROLL_LIST_DOWN,
2529     "scroll element list down ('Page Down')"
2530   },
2531 };
2532
2533 static struct
2534 {
2535   int gd_x, gd_y;
2536   int x, y;
2537   int width, height;
2538   int wheel_x, wheel_y;
2539   int wheel_width, wheel_height;
2540   int type;
2541   int gadget_id;
2542   char *infotext;
2543 } scrollbar_info[ED_NUM_SCROLLBARS] =
2544 {
2545   {
2546     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2547 #if 1
2548     -1, -1,     /* these values are not constant, but can change at runtime */
2549     -1, -1,     /* these values are not constant, but can change at runtime */
2550     -1, -1,     /* these values are not constant, but can change at runtime */
2551     -1, -1,     /* these values are not constant, but can change at runtime */
2552 #else
2553     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
2554     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
2555     SX,                                 SY,
2556     SXSIZE,                             SYSIZE,
2557 #endif
2558     GD_TYPE_SCROLLBAR_HORIZONTAL,
2559     GADGET_ID_SCROLL_HORIZONTAL,
2560     "scroll level editing area horizontally"
2561   },
2562   {
2563     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2564 #if 1
2565     -1, -1,     /* these values are not constant, but can change at runtime */
2566     -1, -1,     /* these values are not constant, but can change at runtime */
2567     -1, -1,     /* these values are not constant, but can change at runtime */
2568     -1, -1,     /* these values are not constant, but can change at runtime */
2569 #else
2570     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
2571     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
2572     SX,                                 SY,
2573     SXSIZE,                             SYSIZE,
2574 #endif
2575     GD_TYPE_SCROLLBAR_VERTICAL,
2576     GADGET_ID_SCROLL_VERTICAL,
2577     "scroll level editing area vertically"
2578   },
2579   {
2580     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
2581 #if 1
2582     -1, -1,     /* these values are not constant, but can change at runtime */
2583     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2584     -1, -1,     /* these values are not constant, but can change at runtime */
2585 #else
2586     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
2587     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2588     DX,                                 DY,
2589 #endif
2590     DXSIZE,                             DYSIZE,
2591     GD_TYPE_SCROLLBAR_VERTICAL,
2592     GADGET_ID_SCROLL_LIST_VERTICAL,
2593     "scroll element list vertically"
2594   }
2595 };
2596
2597 static struct
2598 {
2599   int x, y;
2600   int gadget_id;
2601   int gadget_id_align;
2602   int radio_button_nr;
2603   int *value;
2604   int checked_value;
2605   char *text_left, *text_right, *infotext;
2606 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2607 {
2608   {
2609     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2610     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2611     RADIO_NR_RANDOM_ELEMENTS,
2612     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2613     " ", "percentage",                  "use percentage for random elements"
2614   },
2615   {
2616     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2617     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2618     RADIO_NR_RANDOM_ELEMENTS,
2619     &random_placement_method,           RANDOM_USE_QUANTITY,
2620     " ", "quantity",                    "use quantity for random elements"
2621   }
2622 };
2623
2624 static struct
2625 {
2626   int x, y;
2627   int gadget_id;
2628   int gadget_id_align;
2629   boolean *value;
2630   char *text_left, *text_right, *infotext;
2631 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2632 {
2633   /* ---------- level and editor settings ---------------------------------- */
2634
2635   {
2636     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2637     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2638     &random_placement_background_restricted,
2639     NULL,
2640     "restrict random placement to:",    "set random placement restriction"
2641   },
2642
2643   /* ---------- element settings: configure (various elements) ------------- */
2644
2645   {
2646     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2647     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2648     &stick_element_properties_window,
2649     NULL,
2650     "stick this screen to edit content","stick this screen to edit content"
2651   },
2652   {
2653     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2654     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2655     &level.em_slippery_gems,
2656     NULL,
2657     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2658   },
2659   {
2660     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2661     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2662     &level.em_explodes_by_fire,
2663     NULL,
2664     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2665   },
2666   {
2667     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2668     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2669     &level.use_spring_bug,
2670     NULL,
2671     "use spring pushing bug",           "use odd spring pushing behaviour"
2672   },
2673   {
2674     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2675     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2676     &level.use_time_orb_bug,
2677     NULL,
2678     "use time orb bug",                 "use odd time orb behaviour"
2679   },
2680   {
2681     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2682     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2683     &level.ball_random,
2684     NULL,
2685     "create single random element",     "only create one element from content"
2686   },
2687   {
2688     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2689     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2690     &level.ball_state_initial,
2691     NULL,
2692     "magic ball initially activated",   "activate magic ball after level start"
2693   },
2694   {
2695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2696     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2697     &level.grow_into_diggable,
2698     NULL,
2699     "can grow into anything diggable",  "grow into more than just sand"
2700   },
2701   {
2702     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2703     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2704     &level.auto_exit_sokoban,
2705     NULL,
2706     "exit level if all fields solved",  "automatically finish Sokoban levels"
2707   },
2708   {
2709     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2710     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2711     &level.continuous_snapping,
2712     NULL,
2713     "continuos snapping",               "use snapping without releasing key"
2714   },
2715   {
2716     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2717     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2718     &level.block_snap_field,
2719     NULL,
2720     "block snapped field when snapping", "use snapping delay to show animation"
2721   },
2722   {
2723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2724     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2725     &level.block_last_field,
2726     NULL,
2727     "block last field when moving",     "player blocks last field when moving"
2728   },
2729   {
2730     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2731     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2732     &level.sp_block_last_field,
2733     NULL,
2734     "block last field when moving",     "player blocks last field when moving"
2735   },
2736   {
2737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2738     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2739     &level.instant_relocation,
2740     NULL,
2741     "no scrolling when relocating",     "player gets relocated without delay"
2742   },
2743   {
2744     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2745     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2746     &level.shifted_relocation,
2747     NULL,
2748     "no centering when relocating",     "level not centered after relocation"
2749   },
2750   {
2751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2752     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2753     &level.use_start_element[0],
2754     NULL,
2755     "use level start element:",        "start level at this element's position"
2756   },
2757   {
2758     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2759     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2760     &level.use_artwork_element[0],
2761     NULL,
2762     "use artwork from element:",        "use player artwork from other element"
2763   },
2764   {
2765     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2766     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2767     &level.use_explosion_element[0],
2768     NULL,
2769     "use explosion from element:",      "use explosion properties from element"
2770   },
2771   {
2772     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2773     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2774     &level.initial_player_gravity[0],
2775     NULL,
2776     "use initial gravity",              "set initial player gravity"
2777   },
2778   {
2779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2780     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2781     &level.use_initial_inventory[0],
2782     NULL,
2783     "use initial inventory:",           "use collected elements on level start"
2784   },
2785   {
2786     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2787     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2788     &level.can_pass_to_walkable,
2789     NULL,
2790     "can pass to walkable element",     "player can pass to empty or walkable"
2791   },
2792   {
2793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2794     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2795     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2796     NULL,
2797     "can fall into acid (with gravity)","player can fall into acid pool"
2798   },
2799   {
2800     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2801     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2802     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2803     NULL,
2804     "can move into acid",               "element can move into acid pool"
2805   },
2806   {
2807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2808     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2809     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2810     NULL,
2811     "deadly when colliding with",       "element is deadly when hitting player"
2812   },
2813   {
2814     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2815     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2816     &level.envelope[0].autowrap,
2817     NULL,
2818     "auto-wrap",                        "automatically wrap envelope text"
2819   },
2820   {
2821     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2822     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2823     &level.envelope[0].centered,
2824     " ",
2825     "centered",                         "automatically center envelope text"
2826   },
2827
2828   /* ---------- element settings: configure 1 (custom elements) ----------- */
2829
2830   {
2831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2832     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2833     &custom_element.use_gfx_element,
2834
2835     /* !!! add separate "use existing element sound" !!! */
2836 #if 0
2837     NULL,
2838     "use graphic/sound of element:",    "use existing graphic and sound"
2839 #else
2840     NULL,
2841     "use graphic of element:",          "use existing element graphic"
2842 #endif
2843   },
2844   {
2845     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2846     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2847     &level.use_custom_template,
2848     NULL,
2849     "use template",                     "use template for custom properties"
2850   },
2851   {
2852     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2853     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2854     &custom_element_properties[EP_ACCESSIBLE],
2855     NULL,
2856     NULL,                               "player can walk to or pass this field"
2857   },
2858   {
2859     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2860     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2861     &custom_element_properties[EP_GRAVITY_REACHABLE],
2862     NULL,
2863     "reachable despite gravity",        "player can walk/dig despite gravity"
2864   },
2865   {
2866     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2867     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2868     &custom_element.use_last_ce_value,
2869     NULL,
2870     "use last CE value after change",   "use last CE value after change"
2871   },
2872   {
2873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2874     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2875     &custom_element_properties[EP_WALK_TO_OBJECT],
2876     NULL,
2877     NULL,                               "player can dig/collect/push element"
2878   },
2879   {
2880     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2881     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2882     &custom_element_properties[EP_INDESTRUCTIBLE],
2883     NULL,
2884     "indestructible",                   "element is indestructible"
2885   },
2886
2887   /* ---------- element settings: configure 2 (custom elements) ----------- */
2888
2889   {
2890     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2891     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2892     &custom_element_properties[EP_CAN_MOVE],
2893     NULL,
2894     NULL,                               "element can move with some pattern"
2895   },
2896   {
2897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2898     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2899     &custom_element_properties[EP_CAN_FALL],
2900     NULL,
2901     "can fall",                         "element can fall down"
2902   },
2903   {
2904     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2905     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2906     &custom_element_properties[EP_CAN_SMASH],
2907     " ",
2908     NULL,                               "element can smash other elements"
2909   },
2910   {
2911     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2912     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2913     &custom_element_properties[EP_SLIPPERY],
2914     NULL,
2915     NULL,                               "other elements can fall down from it"
2916   },
2917   {
2918     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2919     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2920     &custom_element_properties[EP_DEADLY],
2921     NULL,
2922     NULL,                               "element can kill the player"
2923   },
2924   {
2925     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2926     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2927     &custom_element_properties[EP_CAN_EXPLODE],
2928     NULL,
2929     NULL,                               "element can explode"
2930   },
2931   {
2932     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2933     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2934     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2935     NULL,
2936     "by fire",                          "element can explode by fire/explosion"
2937   },
2938   {
2939     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2940     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2941     &custom_element_properties[EP_EXPLODES_SMASHED],
2942     " ",
2943     "smashed",                          "element can explode when smashed"
2944   },
2945   {
2946     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2947     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2948     &custom_element_properties[EP_EXPLODES_IMPACT],
2949     " ",
2950     "impact",                           "element can explode on impact"
2951   },
2952
2953   /* ---------- element settings: advanced (custom elements) --------------- */
2954
2955   {
2956     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2957     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2958     &custom_element_change.can_change,
2959     NULL,
2960     "element changes to:",              "change element on specified condition"
2961   },
2962   {
2963     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2964     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2965     &custom_element_change_events[CE_DELAY],
2966     NULL,
2967     NULL,                               "element changes after delay"
2968   },
2969   {
2970     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2971     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2972     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2973     NULL,
2974     NULL,                               "element changes by direct action"
2975   },
2976   {
2977     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2978     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2979     &custom_element_change_events[CE_BY_OTHER_ACTION],
2980     NULL,
2981     NULL,                               "element changes by other element"
2982   },
2983   {
2984     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2985     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2986     &custom_element_change.explode,
2987     NULL,
2988     "explode instead of change",        "element explodes instead of change"
2989   },
2990   {
2991     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2992     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2993     &custom_element_change.use_target_content,
2994     NULL,
2995     "use extended change target:",      "element changes to more elements"
2996   },
2997   {
2998     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2999     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3000     &custom_element_change.only_if_complete,
3001     NULL,
3002     "replace all or nothing",           "only replace when all can be changed"
3003   },
3004   {
3005     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3006     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3007     &custom_element_change.use_random_replace,
3008     NULL,
3009     NULL,                               "use percentage for random replace"
3010   },
3011   {
3012     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3013     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3014     &custom_element_change.has_action,
3015     NULL,
3016     NULL,                               "execute action on specified condition"
3017   },
3018 };
3019
3020 static struct
3021 {
3022   int x, y;
3023   int gadget_id;
3024   int gadget_id_align;
3025   int *value;
3026   int area_xsize, area_ysize;
3027   char *text_left, *text_right, *text_below, *infotext;
3028 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3029 {
3030   /* ---------- level playfield content ------------------------------------ */
3031
3032   {
3033     0,                                  0,
3034     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3035     NULL,
3036 #if 1
3037     -1, -1,     /* these values are not constant, but can change at runtime */
3038 #else
3039     MAX_ED_FIELDX, MAX_ED_FIELDY,
3040 #endif
3041     NULL, NULL, NULL,                   NULL
3042   },
3043
3044   /* ---------- yam yam content -------------------------------------------- */
3045
3046   {
3047     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3048     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3049     &level.yamyam_content[0].e[0][0],   3, 3,
3050     NULL, NULL, "1",                    NULL
3051   },
3052   {
3053     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3054     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3055     &level.yamyam_content[1].e[0][0],   3, 3,
3056     NULL, NULL, "2",                    NULL
3057   },
3058   {
3059     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3060     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3061     &level.yamyam_content[2].e[0][0],   3, 3,
3062     NULL, NULL, "3",                    NULL
3063   },
3064   {
3065     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3066     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3067     &level.yamyam_content[3].e[0][0],   3, 3,
3068     NULL, NULL, "4",                    NULL
3069   },
3070   {
3071     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3072     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3073     &level.yamyam_content[4].e[0][0],   3, 3,
3074     NULL, NULL, "5",                    NULL
3075   },
3076   {
3077     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3078     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3079     &level.yamyam_content[5].e[0][0],   3, 3,
3080     NULL, NULL, "6",                    NULL
3081   },
3082   {
3083     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3084     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3085     &level.yamyam_content[6].e[0][0],   3, 3,
3086     NULL, NULL, "7",                    NULL
3087   },
3088   {
3089     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3090     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3091     &level.yamyam_content[7].e[0][0],   3, 3,
3092     NULL, NULL, "8",                    NULL
3093   },
3094
3095   /* ---------- magic ball content ----------------------------------------- */
3096
3097   {
3098     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3099     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3100     &level.ball_content[0].e[0][0],     3, 3,
3101     NULL, NULL, "1",                    NULL
3102   },
3103   {
3104     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3105     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3106     &level.ball_content[1].e[0][0],     3, 3,
3107     NULL, NULL, "2",                    NULL
3108   },
3109   {
3110     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3111     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3112     &level.ball_content[2].e[0][0],     3, 3,
3113     NULL, NULL, "3",                    NULL
3114   },
3115   {
3116     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3117     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3118     &level.ball_content[3].e[0][0],     3, 3,
3119     NULL, NULL, "4",                    NULL
3120   },
3121   {
3122     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3123     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3124     &level.ball_content[4].e[0][0],     3, 3,
3125     NULL, NULL, "5",                    NULL
3126   },
3127   {
3128     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3129     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3130     &level.ball_content[5].e[0][0],     3, 3,
3131     NULL, NULL, "6",                    NULL
3132   },
3133   {
3134     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3135     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3136     &level.ball_content[6].e[0][0],     3, 3,
3137     NULL, NULL, "7",                    NULL
3138   },
3139   {
3140     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3141     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3142     &level.ball_content[7].e[0][0],     3, 3,
3143     NULL, NULL, "8",                    NULL
3144   },
3145
3146   /* ---------- android content -------------------------------------------- */
3147
3148   {
3149     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3150     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3151     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3152     "elements:", NULL, NULL,            "elements android can clone"
3153   },
3154
3155   /* ---------- amoeba content --------------------------------------------- */
3156
3157   {
3158     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3159     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3160     &level.amoeba_content,              1, 1,
3161     "content:", NULL, NULL,             "amoeba content"
3162   },
3163
3164   /* ---------- level start element ---------------------------------------- */
3165
3166   {
3167     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3168     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3169     &level.start_element[0],            1, 1,
3170     NULL, NULL, NULL,                   "level start element"
3171   },
3172
3173   /* ---------- player artwork element ------------------------------------- */
3174
3175   {
3176     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3177     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3178     &level.artwork_element[0],          1, 1,
3179     NULL, NULL, NULL,                   "element for player artwork"
3180   },
3181
3182   /* ---------- player explosion element ----------------------------------- */
3183
3184   {
3185     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3186     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3187     &level.explosion_element[0],        1, 1,
3188     NULL, NULL, NULL,                   "element for player explosion"
3189   },
3190
3191   /* ---------- player initial inventory ----------------------------------- */
3192
3193   {
3194     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3195     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3196     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3197     NULL, NULL, NULL,                   "content for initial inventory"
3198   },
3199
3200   /* ---------- element settings: configure 1 (custom elements) ----------- */
3201
3202   /* ---------- custom graphic --------------------------------------------- */
3203
3204   {
3205     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3206     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3207     &custom_element.gfx_element_initial,1, 1,
3208     NULL, NULL, NULL,                   "custom graphic element"
3209   },
3210
3211   /* ---------- element settings: configure 2 (custom elements) ----------- */
3212
3213   /* ---------- custom content (when exploding) ---------------------------- */
3214
3215   {
3216     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3217     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3218     &custom_element.content.e[0][0],    3, 3,
3219     "content:", NULL, NULL,             NULL
3220   },
3221
3222   /* ---------- custom enter and leave element (when moving) --------------- */
3223
3224   {
3225     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3226     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3227     &custom_element.move_enter_element, 1, 1,
3228     "can dig:", " ", NULL,              "element that can be digged/collected"
3229   },
3230   {
3231     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3232     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3233     &custom_element.move_leave_element, 1, 1,
3234     NULL, NULL, NULL,                   "element that will be left behind"
3235   },
3236
3237   /* ---------- element settings: advanced (custom elements) --------------- */
3238
3239   /* ---------- custom change target --------------------------------------- */
3240
3241   {
3242     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3243     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3244     &custom_element_change.target_element, 1, 1,
3245     NULL, "after/when:", NULL,          "new target element after change"
3246   },
3247
3248   /* ---------- custom change content (extended change target) ------------- */
3249
3250   {
3251     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3252     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3253     &custom_element_change.target_content.e[0][0], 3, 3,
3254     NULL, NULL, NULL,                   "new extended elements after change"
3255   },
3256
3257   /* ---------- custom change trigger (element causing change) ------------- */
3258
3259   {
3260     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3261     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3262     &custom_element_change.initial_trigger_element, 1, 1,
3263     NULL, NULL, NULL,                   "other element triggering change"
3264   },
3265
3266   /* ---------- custom change action (element used for action) ------------- */
3267
3268   {
3269     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3270     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3271     &custom_element_change.action_element, 1, 1,
3272     NULL, NULL, NULL,                   "element used as action parameter"
3273   },
3274
3275   /* ---------- group element content -------------------------------------- */
3276
3277   {
3278     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3279     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3280     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3281     "content:", NULL, NULL,             NULL
3282   },
3283
3284   /* ---------- random background (for random painting) -------------------- */
3285
3286   {
3287     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3288     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3289     &random_placement_background_element, 1, 1,
3290     NULL, NULL, NULL,                   "random placement background"
3291   },
3292 };
3293
3294
3295 /*
3296   -----------------------------------------------------------------------------
3297   some internally used variables
3298   -----------------------------------------------------------------------------
3299 */
3300
3301 /* actual size of level editor drawing area */
3302 #if 1
3303 static int ed_fieldx, ed_fieldy;
3304 #else
3305 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
3306 #endif
3307
3308 /* actual position of level editor drawing area in level playfield */
3309 static int level_xpos = -1, level_ypos = -1;
3310
3311 #if 1
3312 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3313 #else
3314 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
3315 #endif
3316
3317 /* drawing elements on the three mouse buttons */
3318 static int new_element1 = EL_WALL;
3319 static int new_element2 = EL_EMPTY;
3320 static int new_element3 = EL_SAND;
3321
3322 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3323 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3324                                 (button) == 2 ? new_element2 : \
3325                                 (button) == 3 ? new_element3 : EL_EMPTY)
3326 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3327
3328 /* forward declaration for internal use */
3329 static void ModifyEditorCounterValue(int, int);
3330 static void ModifyEditorCounterLimits(int, int, int);
3331 static void ModifyEditorSelectboxValue(int, int);
3332 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3333 static void ModifyEditorDrawingArea(int, int, int);
3334 static void ModifyEditorElementList();
3335 static void AdjustElementListScrollbar();
3336 static void RedrawDrawingElements();
3337 static void DrawDrawingWindow();
3338 static void DrawLevelInfoWindow();
3339 static void DrawPropertiesWindow();
3340 static void UpdateCustomElementGraphicGadgets();
3341 static boolean checkPropertiesConfig(int);
3342 static void CopyLevelToUndoBuffer(int);
3343 static void HandleDrawingAreas(struct GadgetInfo *);
3344 static void HandleCounterButtons(struct GadgetInfo *);
3345 static void HandleTextInputGadgets(struct GadgetInfo *);
3346 static void HandleTextAreaGadgets(struct GadgetInfo *);
3347 static void HandleSelectboxGadgets(struct GadgetInfo *);
3348 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3349 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3350 static void HandleRadiobuttons(struct GadgetInfo *);
3351 static void HandleCheckbuttons(struct GadgetInfo *);
3352 static void HandleControlButtons(struct GadgetInfo *);
3353 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3354 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3355
3356 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
3357 static int right_gadget_border[NUM_EDITOR_GADGETS];
3358
3359 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3360 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3361 static boolean draw_with_brush = FALSE;
3362 static int properties_element = 0;
3363
3364 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3365 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3366 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3367 static int undo_buffer_position = 0;
3368 static int undo_buffer_steps = 0;
3369
3370 static int edit_mode;
3371 static int edit_mode_levelinfo;
3372 static int edit_mode_properties;
3373
3374 static int element_shift = 0;
3375
3376 static int editor_el_players[] =
3377 {
3378   EL_PLAYER_1,
3379   EL_PLAYER_2,
3380   EL_PLAYER_3,
3381   EL_PLAYER_4
3382 };
3383 static int *editor_el_players_ptr = editor_el_players;
3384 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3385
3386 static int editor_hl_boulderdash[] =
3387 {
3388   EL_INTERNAL_CASCADE_BD_ACTIVE,
3389   EL_CHAR('B'),
3390   EL_CHAR('D'),
3391   EL_EMPTY,
3392 };
3393
3394 static int editor_el_boulderdash[] =
3395 {
3396   EL_EMPTY,
3397   EL_SAND,
3398   EL_BD_ROCK,
3399   EL_BD_DIAMOND,
3400
3401   EL_STEELWALL,
3402   EL_BD_WALL,
3403   EL_BD_EXPANDABLE_WALL,
3404   EL_BD_MAGIC_WALL,
3405
3406   EL_BD_AMOEBA,
3407   EL_BD_BUTTERFLY_UP,
3408   EL_BD_FIREFLY_UP,
3409   EL_EXIT_CLOSED,
3410
3411   EL_BD_BUTTERFLY_LEFT,
3412   EL_BD_FIREFLY_LEFT,
3413   EL_BD_BUTTERFLY_RIGHT,
3414   EL_BD_FIREFLY_RIGHT,
3415
3416   EL_EMPTY,
3417   EL_BD_BUTTERFLY_DOWN,
3418   EL_BD_FIREFLY_DOWN,
3419   EL_EXIT_OPEN,
3420 };
3421 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3422 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3423 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3424 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3425
3426 static int editor_hl_emerald_mine[] =
3427 {
3428   EL_INTERNAL_CASCADE_EM_ACTIVE,
3429   EL_CHAR('E'),
3430   EL_CHAR('M'),
3431   EL_EMPTY,
3432 };
3433
3434 static int editor_el_emerald_mine[] =
3435 {
3436   EL_SAND,
3437   EL_ROCK,
3438   EL_QUICKSAND_EMPTY,
3439   EL_QUICKSAND_FULL,
3440
3441   EL_STEELWALL,
3442   EL_WALL,
3443   EL_WALL_SLIPPERY,
3444   EL_MAGIC_WALL,
3445
3446   EL_EMERALD,
3447   EL_DIAMOND,
3448   EL_NUT,
3449   EL_BOMB,
3450
3451   EL_WALL_EMERALD,
3452   EL_WALL_DIAMOND,
3453   EL_DYNAMITE,
3454   EL_DYNAMITE_ACTIVE,
3455
3456   EL_YAMYAM,
3457   EL_BUG_UP,
3458   EL_SPACESHIP_UP,
3459   EL_ROBOT,
3460
3461   EL_BUG_LEFT,
3462   EL_SPACESHIP_LEFT,
3463   EL_BUG_RIGHT,
3464   EL_SPACESHIP_RIGHT,
3465
3466   EL_ROBOT_WHEEL,
3467   EL_BUG_DOWN,
3468   EL_SPACESHIP_DOWN,
3469   EL_INVISIBLE_WALL,
3470
3471   EL_ACID_POOL_TOPLEFT,
3472   EL_ACID,
3473   EL_ACID_POOL_TOPRIGHT,
3474   EL_AMOEBA_DROP,
3475
3476   EL_ACID_POOL_BOTTOMLEFT,
3477   EL_ACID_POOL_BOTTOM,
3478   EL_ACID_POOL_BOTTOMRIGHT,
3479   EL_AMOEBA_WET,
3480
3481   EL_EM_KEY_1,
3482   EL_EM_KEY_2,
3483   EL_EM_KEY_3,
3484   EL_EM_KEY_4,
3485
3486   EL_EM_GATE_1,
3487   EL_EM_GATE_2,
3488   EL_EM_GATE_3,
3489   EL_EM_GATE_4,
3490
3491   EL_EM_GATE_1_GRAY,
3492   EL_EM_GATE_2_GRAY,
3493   EL_EM_GATE_3_GRAY,
3494   EL_EM_GATE_4_GRAY,
3495
3496   EL_EM_EXIT_CLOSED,
3497   EL_EM_EXIT_OPEN,
3498   EL_EM_STEEL_EXIT_CLOSED,
3499   EL_EM_STEEL_EXIT_OPEN,
3500 };
3501 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3502 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3503 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3504 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3505
3506 static int editor_hl_emerald_mine_club[] =
3507 {
3508   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3509   EL_CHAR('E'),
3510   EL_CHAR('M'),
3511   EL_CHAR('C'),
3512 };
3513
3514 static int editor_el_emerald_mine_club[] =
3515 {
3516   EL_EMC_KEY_5,
3517   EL_EMC_KEY_6,
3518   EL_EMC_KEY_7,
3519   EL_EMC_KEY_8,
3520
3521   EL_EMC_GATE_5,
3522   EL_EMC_GATE_6,
3523   EL_EMC_GATE_7,
3524   EL_EMC_GATE_8,
3525
3526   EL_EMC_GATE_5_GRAY,
3527   EL_EMC_GATE_6_GRAY,
3528   EL_EMC_GATE_7_GRAY,
3529   EL_EMC_GATE_8_GRAY,
3530
3531   EL_EMC_STEELWALL_1,
3532   EL_EMC_STEELWALL_2,
3533   EL_EMC_STEELWALL_3,
3534   EL_EMC_STEELWALL_4,
3535
3536   EL_EMC_WALL_13,
3537   EL_EMC_WALL_14,
3538   EL_EMC_WALL_15,
3539   EL_EMC_WALL_16,
3540
3541   EL_EMC_WALL_SLIPPERY_1,
3542   EL_EMC_WALL_SLIPPERY_2,
3543   EL_EMC_WALL_SLIPPERY_3,
3544   EL_EMC_WALL_SLIPPERY_4,
3545
3546   EL_EMC_WALL_1,
3547   EL_EMC_WALL_2,
3548   EL_EMC_WALL_3,
3549   EL_EMC_WALL_4,
3550
3551   EL_EMC_WALL_5,
3552   EL_EMC_WALL_6,
3553   EL_EMC_WALL_7,
3554   EL_EMC_WALL_8,
3555
3556   EL_EMC_WALL_9,
3557   EL_EMC_WALL_10,
3558   EL_EMC_WALL_11,
3559   EL_EMC_WALL_12,
3560
3561   EL_EMC_GRASS,
3562   EL_EMC_FAKE_GRASS,
3563   EL_EMC_PLANT,
3564   EL_EMC_DRIPPER,
3565
3566   EL_EMC_MAGIC_BALL,
3567   EL_EMC_MAGIC_BALL_SWITCH,
3568   EL_SPRING,
3569   EL_EMC_SPRING_BUMPER,
3570
3571   EL_EMC_LENSES,
3572   EL_EMC_MAGNIFIER,
3573   EL_EM_DYNAMITE,
3574   EL_EM_DYNAMITE_ACTIVE,
3575
3576   EL_BALLOON,
3577   EL_YAMYAM_UP,
3578   EL_BALLOON_SWITCH_UP,
3579   EL_BALLOON_SWITCH_ANY,
3580
3581   EL_YAMYAM_LEFT,
3582   EL_BALLOON_SWITCH_LEFT,
3583   EL_YAMYAM_RIGHT,
3584   EL_BALLOON_SWITCH_RIGHT,
3585
3586   EL_EMC_ANDROID,
3587   EL_YAMYAM_DOWN,
3588   EL_BALLOON_SWITCH_DOWN,
3589   EL_BALLOON_SWITCH_NONE,
3590 };
3591 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3592 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3593 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3594 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3595
3596 static int editor_hl_rnd[] =
3597 {
3598   EL_INTERNAL_CASCADE_RND_ACTIVE,
3599   EL_CHAR('R'),
3600   EL_CHAR('N'),
3601   EL_CHAR('D'),
3602 };
3603
3604 static int editor_el_rnd[] =
3605 {
3606   EL_KEY_1,
3607   EL_KEY_2,
3608   EL_KEY_3,
3609   EL_KEY_4,
3610
3611   EL_GATE_1,
3612   EL_GATE_2,
3613   EL_GATE_3,
3614   EL_GATE_4,
3615
3616   EL_GATE_1_GRAY,
3617   EL_GATE_2_GRAY,
3618   EL_GATE_3_GRAY,
3619   EL_GATE_4_GRAY,
3620
3621   EL_ARROW_LEFT,
3622   EL_ARROW_RIGHT,
3623   EL_ARROW_UP,
3624   EL_ARROW_DOWN,
3625
3626   EL_AMOEBA_DEAD,
3627   EL_AMOEBA_DRY,
3628   EL_AMOEBA_FULL,
3629   EL_GAME_OF_LIFE,
3630
3631   EL_EMERALD_YELLOW,
3632   EL_EMERALD_RED,
3633   EL_EMERALD_PURPLE,
3634   EL_BIOMAZE,
3635
3636   EL_WALL_EMERALD_YELLOW,
3637   EL_WALL_EMERALD_RED,
3638   EL_WALL_EMERALD_PURPLE,
3639   EL_WALL_BD_DIAMOND,
3640
3641   EL_SPEED_PILL,
3642   EL_PACMAN_UP,
3643   EL_TIME_ORB_FULL,
3644   EL_TIME_ORB_EMPTY,
3645
3646   EL_PACMAN_LEFT,
3647   EL_DARK_YAMYAM,
3648   EL_PACMAN_RIGHT,
3649   EL_EMPTY,
3650
3651   EL_BLACK_ORB,
3652   EL_PACMAN_DOWN,
3653   EL_LAMP,
3654   EL_LAMP_ACTIVE,
3655
3656   EL_DYNABOMB_INCREASE_NUMBER,
3657   EL_DYNABOMB_INCREASE_SIZE,
3658   EL_DYNABOMB_INCREASE_POWER,
3659   EL_STONEBLOCK,
3660
3661   EL_MOLE,
3662   EL_PENGUIN,
3663   EL_PIG,
3664   EL_DRAGON,
3665
3666   EL_BUG,
3667   EL_MOLE_UP,
3668   EL_BD_BUTTERFLY,
3669   EL_BD_FIREFLY,
3670
3671   EL_MOLE_LEFT,
3672   EL_SATELLITE,
3673   EL_MOLE_RIGHT,
3674   EL_PACMAN,
3675
3676   EL_SPACESHIP,
3677   EL_MOLE_DOWN,
3678   EL_INVISIBLE_STEELWALL,
3679   EL_INVISIBLE_WALL,
3680
3681   EL_EXPANDABLE_WALL,
3682   EL_EXPANDABLE_WALL_HORIZONTAL,
3683   EL_EXPANDABLE_WALL_VERTICAL,
3684   EL_EXPANDABLE_WALL_ANY,
3685 };
3686 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3687 static int *editor_el_rnd_ptr = editor_el_rnd;
3688 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3689 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3690
3691 static int editor_hl_sokoban[] =
3692 {
3693   EL_INTERNAL_CASCADE_SB_ACTIVE,
3694   EL_CHAR('S'),
3695   EL_CHAR('B'),
3696   EL_EMPTY,
3697 };
3698
3699 static int editor_el_sokoban[] =
3700 {
3701   EL_SOKOBAN_OBJECT,
3702   EL_SOKOBAN_FIELD_EMPTY,
3703   EL_SOKOBAN_FIELD_FULL,
3704   EL_SOKOBAN_FIELD_PLAYER,
3705 };
3706 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3707 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3708 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3709 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3710
3711 static int editor_hl_supaplex[] =
3712 {
3713   EL_INTERNAL_CASCADE_SP_ACTIVE,
3714   EL_CHAR('S'),
3715   EL_CHAR('P'),
3716   EL_EMPTY,
3717 };
3718
3719 static int editor_el_supaplex[] =
3720 {
3721   EL_SP_MURPHY,
3722   EL_EMPTY,
3723   EL_SP_BASE,
3724   EL_SP_BUGGY_BASE,
3725
3726   EL_SP_INFOTRON,
3727   EL_SP_ZONK,
3728   EL_SP_SNIKSNAK,
3729   EL_SP_ELECTRON,
3730
3731   EL_SP_DISK_RED,
3732   EL_SP_DISK_ORANGE,
3733   EL_SP_DISK_YELLOW,
3734   EL_SP_TERMINAL,
3735
3736   EL_SP_EXIT_CLOSED,
3737   EL_SP_PORT_HORIZONTAL,
3738   EL_SP_PORT_VERTICAL,
3739   EL_SP_PORT_ANY,
3740
3741   EL_SP_PORT_LEFT,
3742   EL_SP_PORT_RIGHT,
3743   EL_SP_PORT_UP,
3744   EL_SP_PORT_DOWN,
3745
3746   EL_SP_GRAVITY_PORT_LEFT,
3747   EL_SP_GRAVITY_PORT_RIGHT,
3748   EL_SP_GRAVITY_PORT_UP,
3749   EL_SP_GRAVITY_PORT_DOWN,
3750
3751   EL_SP_GRAVITY_ON_PORT_LEFT,
3752   EL_SP_GRAVITY_ON_PORT_RIGHT,
3753   EL_SP_GRAVITY_ON_PORT_UP,
3754   EL_SP_GRAVITY_ON_PORT_DOWN,
3755
3756   EL_SP_GRAVITY_OFF_PORT_LEFT,
3757   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3758   EL_SP_GRAVITY_OFF_PORT_UP,
3759   EL_SP_GRAVITY_OFF_PORT_DOWN,
3760
3761   EL_SP_HARDWARE_GRAY,
3762   EL_SP_HARDWARE_GREEN,
3763   EL_SP_HARDWARE_BLUE,
3764   EL_SP_HARDWARE_RED,
3765
3766   EL_SP_HARDWARE_BASE_1,
3767   EL_SP_HARDWARE_BASE_2,
3768   EL_SP_HARDWARE_BASE_3,
3769   EL_SP_HARDWARE_BASE_4,
3770
3771   EL_SP_HARDWARE_BASE_5,
3772   EL_SP_HARDWARE_BASE_6,
3773   EL_SP_HARDWARE_YELLOW,
3774   EL_SP_CHIP_TOP,
3775
3776   EL_SP_CHIP_SINGLE,
3777   EL_SP_CHIP_LEFT,
3778   EL_SP_CHIP_RIGHT,
3779   EL_SP_CHIP_BOTTOM,
3780 };
3781 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3782 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3783 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3784 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3785
3786 static int editor_hl_diamond_caves[] =
3787 {
3788   EL_INTERNAL_CASCADE_DC_ACTIVE,
3789   EL_CHAR('D'),
3790   EL_CHAR('C'),
3791   EL_CHAR('2'),
3792 };
3793
3794 static int editor_el_diamond_caves[] =
3795 {
3796   EL_PEARL,
3797   EL_CRYSTAL,
3798   EL_WALL_PEARL,
3799   EL_WALL_CRYSTAL,
3800
3801   EL_CONVEYOR_BELT_1_LEFT,
3802   EL_CONVEYOR_BELT_1_MIDDLE,
3803   EL_CONVEYOR_BELT_1_RIGHT,
3804   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3805
3806   EL_CONVEYOR_BELT_2_LEFT,
3807   EL_CONVEYOR_BELT_2_MIDDLE,
3808   EL_CONVEYOR_BELT_2_RIGHT,
3809   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3810
3811   EL_CONVEYOR_BELT_3_LEFT,
3812   EL_CONVEYOR_BELT_3_MIDDLE,
3813   EL_CONVEYOR_BELT_3_RIGHT,
3814   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3815
3816   EL_CONVEYOR_BELT_4_LEFT,
3817   EL_CONVEYOR_BELT_4_MIDDLE,
3818   EL_CONVEYOR_BELT_4_RIGHT,
3819   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3820
3821   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3822   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3823   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3824   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3825
3826   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3827   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3828   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3829   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3830
3831   EL_TIMEGATE_CLOSED,
3832   EL_TIMEGATE_OPEN,
3833   EL_TIMEGATE_SWITCH,
3834   EL_DC_TIMEGATE_SWITCH,
3835
3836   EL_SWITCHGATE_CLOSED,
3837   EL_SWITCHGATE_OPEN,
3838   EL_SWITCHGATE_SWITCH_UP,
3839   EL_SWITCHGATE_SWITCH_DOWN,
3840
3841   EL_LIGHT_SWITCH,
3842   EL_LIGHT_SWITCH_ACTIVE,
3843   EL_DC_SWITCHGATE_SWITCH_UP,
3844   EL_DC_SWITCHGATE_SWITCH_DOWN,
3845
3846   EL_STEEL_EXIT_CLOSED,
3847   EL_STEEL_EXIT_OPEN,
3848   EL_STEELWALL_SLIPPERY,
3849   EL_INVISIBLE_SAND,
3850
3851   EL_QUICKSAND_FAST_EMPTY,
3852   EL_QUICKSAND_FAST_FULL,
3853   EL_LANDMINE,
3854   EL_DC_LANDMINE,
3855
3856   EL_SHIELD_NORMAL,
3857   EL_SHIELD_DEADLY,
3858   EL_EXTRA_TIME,
3859   EL_DC_MAGIC_WALL,
3860
3861   EL_ENVELOPE_1,
3862   EL_ENVELOPE_2,
3863   EL_ENVELOPE_3,
3864   EL_ENVELOPE_4,
3865
3866   EL_SIGN_RADIOACTIVITY,
3867   EL_SIGN_WHEELCHAIR,
3868   EL_SIGN_PARKING,
3869   EL_SIGN_NO_ENTRY,
3870
3871   EL_SIGN_GIVE_WAY,
3872   EL_SIGN_ENTRY_FORBIDDEN,
3873   EL_SIGN_EMERGENCY_EXIT,
3874   EL_SIGN_YIN_YANG,
3875
3876 #if 0
3877   EL_SIGN_SPERMS,
3878   EL_SIGN_BULLET,
3879   EL_SIGN_HEART,
3880   EL_SIGN_CROSS,
3881
3882   EL_SIGN_FRANKIE,
3883   EL_EMPTY,
3884   EL_EMPTY,
3885   EL_EMPTY,
3886
3887   EL_SPERMS,
3888   EL_BULLET,
3889   EL_HEART,
3890   EL_CROSS,
3891
3892   EL_FRANKIE,
3893   EL_EMPTY,
3894   EL_EMPTY,
3895   EL_EMPTY,
3896 #endif
3897
3898   EL_DC_STEELWALL_2_SINGLE,
3899   EL_DC_STEELWALL_2_TOP,
3900   EL_SIGN_EXCLAMATION,
3901   EL_SIGN_STOP,
3902
3903   EL_DC_STEELWALL_2_LEFT,
3904   EL_DC_STEELWALL_2_MIDDLE,
3905   EL_DC_STEELWALL_2_HORIZONTAL,
3906   EL_DC_STEELWALL_2_RIGHT,
3907
3908   EL_DC_STEELWALL_1_TOPLEFT,
3909   EL_DC_STEELWALL_2_VERTICAL,
3910   EL_DC_STEELWALL_1_TOPRIGHT,
3911   EL_DC_GATE_WHITE,
3912
3913   EL_DC_STEELWALL_1_VERTICAL,
3914   EL_DC_STEELWALL_2_BOTTOM,
3915   EL_DC_KEY_WHITE,
3916   EL_DC_GATE_WHITE_GRAY,
3917
3918   EL_DC_STEELWALL_1_BOTTOMLEFT,
3919   EL_DC_STEELWALL_1_HORIZONTAL,
3920   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3921   EL_DC_GATE_FAKE_GRAY,
3922
3923   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3924   EL_DC_STEELWALL_1_BOTTOM,
3925   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3926   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3927
3928   EL_DC_STEELWALL_1_RIGHT,
3929   EL_EMPTY,
3930   EL_DC_STEELWALL_1_LEFT,
3931   EL_EXPANDABLE_STEELWALL_VERTICAL,
3932
3933   EL_DC_STEELWALL_1_TOPRIGHT_2,
3934   EL_DC_STEELWALL_1_TOP,
3935   EL_DC_STEELWALL_1_TOPLEFT_2,
3936   EL_EXPANDABLE_STEELWALL_ANY,
3937 };
3938 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3939 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3940 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3941 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3942
3943 static int editor_hl_dx_boulderdash[] =
3944 {
3945   EL_INTERNAL_CASCADE_DX_ACTIVE,
3946   EL_CHAR('D'),
3947   EL_CHAR('X'),
3948   EL_EMPTY,
3949 };
3950
3951 static int editor_el_dx_boulderdash[] =
3952 {
3953   EL_EMPTY,
3954   EL_TUBE_RIGHT_DOWN,
3955   EL_TUBE_HORIZONTAL_DOWN,
3956   EL_TUBE_LEFT_DOWN,
3957
3958   EL_TUBE_HORIZONTAL,
3959   EL_TUBE_VERTICAL_RIGHT,
3960   EL_TUBE_ANY,
3961   EL_TUBE_VERTICAL_LEFT,
3962
3963   EL_TUBE_VERTICAL,
3964   EL_TUBE_RIGHT_UP,
3965   EL_TUBE_HORIZONTAL_UP,
3966   EL_TUBE_LEFT_UP,
3967
3968   EL_TRAP,
3969   EL_DX_SUPABOMB,
3970   EL_EMPTY,
3971   EL_EMPTY
3972 };
3973 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3974 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3975 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3976 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3977
3978 static int editor_hl_chars[] =
3979 {
3980   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3981   EL_CHAR('T'),
3982   EL_CHAR('X'),
3983   EL_CHAR('T'),
3984 };
3985
3986 static int editor_el_chars[] =
3987 {
3988   EL_CHAR(' '),
3989   EL_CHAR('!'),
3990   EL_CHAR('"'),
3991   EL_CHAR('#'),
3992
3993   EL_CHAR('$'),
3994   EL_CHAR('%'),
3995   EL_CHAR('&'),
3996   EL_CHAR('\''),
3997
3998   EL_CHAR('('),
3999   EL_CHAR(')'),
4000   EL_CHAR('*'),
4001   EL_CHAR('+'),
4002
4003   EL_CHAR(','),
4004   EL_CHAR('-'),
4005   EL_CHAR('.'),
4006   EL_CHAR('/'),
4007
4008   EL_CHAR('0'),
4009   EL_CHAR('1'),
4010   EL_CHAR('2'),
4011   EL_CHAR('3'),
4012
4013   EL_CHAR('4'),
4014   EL_CHAR('5'),
4015   EL_CHAR('6'),
4016   EL_CHAR('7'),
4017
4018   EL_CHAR('8'),
4019   EL_CHAR('9'),
4020   EL_CHAR(':'),
4021   EL_CHAR(';'),
4022
4023   EL_CHAR('<'),
4024   EL_CHAR('='),
4025   EL_CHAR('>'),
4026   EL_CHAR('?'),
4027
4028   EL_CHAR('@'),
4029   EL_CHAR('A'),
4030   EL_CHAR('B'),
4031   EL_CHAR('C'),
4032
4033   EL_CHAR('D'),
4034   EL_CHAR('E'),
4035   EL_CHAR('F'),
4036   EL_CHAR('G'),
4037
4038   EL_CHAR('H'),
4039   EL_CHAR('I'),
4040   EL_CHAR('J'),
4041   EL_CHAR('K'),
4042
4043   EL_CHAR('L'),
4044   EL_CHAR('M'),
4045   EL_CHAR('N'),
4046   EL_CHAR('O'),
4047
4048   EL_CHAR('P'),
4049   EL_CHAR('Q'),
4050   EL_CHAR('R'),
4051   EL_CHAR('S'),
4052
4053   EL_CHAR('T'),
4054   EL_CHAR('U'),
4055   EL_CHAR('V'),
4056   EL_CHAR('W'),
4057
4058   EL_CHAR('X'),
4059   EL_CHAR('Y'),
4060   EL_CHAR('Z'),
4061   EL_CHAR('['),
4062
4063   EL_CHAR('\\'),
4064   EL_CHAR(']'),
4065   EL_CHAR('^'),
4066   EL_CHAR('_'),
4067
4068   EL_CHAR('©'),
4069   EL_CHAR('Ä'),
4070   EL_CHAR('Ö'),
4071   EL_CHAR('Ü'),
4072
4073   EL_CHAR('°'),
4074   EL_CHAR('®'),
4075   EL_CHAR(FONT_ASCII_CURSOR),
4076   EL_CHAR(FONT_ASCII_BUTTON),
4077
4078   EL_CHAR(FONT_ASCII_UP),
4079   EL_CHAR(FONT_ASCII_DOWN),
4080   EL_CHAR(' '),
4081   EL_CHAR(' ')
4082 };
4083 static int *editor_hl_chars_ptr = editor_hl_chars;
4084 static int *editor_el_chars_ptr = editor_el_chars;
4085 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4086 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4087
4088 static int editor_hl_steel_chars[] =
4089 {
4090   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4091   EL_STEEL_CHAR('T'),
4092   EL_STEEL_CHAR('X'),
4093   EL_STEEL_CHAR('T'),
4094 };
4095
4096 static int editor_el_steel_chars[] =
4097 {
4098   EL_STEEL_CHAR(' '),
4099   EL_STEEL_CHAR('!'),
4100   EL_STEEL_CHAR('"'),
4101   EL_STEEL_CHAR('#'),
4102
4103   EL_STEEL_CHAR('$'),
4104   EL_STEEL_CHAR('%'),
4105   EL_STEEL_CHAR('&'),
4106   EL_STEEL_CHAR('\''),
4107
4108   EL_STEEL_CHAR('('),
4109   EL_STEEL_CHAR(')'),
4110   EL_STEEL_CHAR('*'),
4111   EL_STEEL_CHAR('+'),
4112
4113   EL_STEEL_CHAR(','),
4114   EL_STEEL_CHAR('-'),
4115   EL_STEEL_CHAR('.'),
4116   EL_STEEL_CHAR('/'),
4117
4118   EL_STEEL_CHAR('0'),
4119   EL_STEEL_CHAR('1'),
4120   EL_STEEL_CHAR('2'),
4121   EL_STEEL_CHAR('3'),
4122
4123   EL_STEEL_CHAR('4'),
4124   EL_STEEL_CHAR('5'),
4125   EL_STEEL_CHAR('6'),
4126   EL_STEEL_CHAR('7'),
4127
4128   EL_STEEL_CHAR('8'),
4129   EL_STEEL_CHAR('9'),
4130   EL_STEEL_CHAR(':'),
4131   EL_STEEL_CHAR(';'),
4132
4133   EL_STEEL_CHAR('<'),
4134   EL_STEEL_CHAR('='),
4135   EL_STEEL_CHAR('>'),
4136   EL_STEEL_CHAR('?'),
4137
4138   EL_STEEL_CHAR('@'),
4139   EL_STEEL_CHAR('A'),
4140   EL_STEEL_CHAR('B'),
4141   EL_STEEL_CHAR('C'),
4142
4143   EL_STEEL_CHAR('D'),
4144   EL_STEEL_CHAR('E'),
4145   EL_STEEL_CHAR('F'),
4146   EL_STEEL_CHAR('G'),
4147
4148   EL_STEEL_CHAR('H'),
4149   EL_STEEL_CHAR('I'),
4150   EL_STEEL_CHAR('J'),
4151   EL_STEEL_CHAR('K'),
4152
4153   EL_STEEL_CHAR('L'),
4154   EL_STEEL_CHAR('M'),
4155   EL_STEEL_CHAR('N'),
4156   EL_STEEL_CHAR('O'),
4157
4158   EL_STEEL_CHAR('P'),
4159   EL_STEEL_CHAR('Q'),
4160   EL_STEEL_CHAR('R'),
4161   EL_STEEL_CHAR('S'),
4162
4163   EL_STEEL_CHAR('T'),
4164   EL_STEEL_CHAR('U'),
4165   EL_STEEL_CHAR('V'),
4166   EL_STEEL_CHAR('W'),
4167
4168   EL_STEEL_CHAR('X'),
4169   EL_STEEL_CHAR('Y'),
4170   EL_STEEL_CHAR('Z'),
4171   EL_STEEL_CHAR('['),
4172
4173   EL_STEEL_CHAR('\\'),
4174   EL_STEEL_CHAR(']'),
4175   EL_STEEL_CHAR('^'),
4176   EL_STEEL_CHAR('_'),
4177
4178   EL_STEEL_CHAR('©'),
4179   EL_STEEL_CHAR('Ä'),
4180   EL_STEEL_CHAR('Ö'),
4181   EL_STEEL_CHAR('Ü'),
4182
4183   EL_STEEL_CHAR('°'),
4184   EL_STEEL_CHAR('®'),
4185   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4186   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4187
4188   EL_STEEL_CHAR(FONT_ASCII_UP),
4189   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4190   EL_STEEL_CHAR(' '),
4191   EL_STEEL_CHAR(' ')
4192 };
4193 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4194 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4195 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4196 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4197
4198 static int editor_hl_custom[] =
4199 {
4200   EL_INTERNAL_CASCADE_CE_ACTIVE,
4201   EL_CHAR('C'),
4202   EL_CHAR('E'),
4203   EL_EMPTY,
4204 };
4205
4206 static int editor_el_custom[] =
4207 {
4208   EL_CUSTOM_START + 0,
4209   EL_CUSTOM_START + 1,
4210   EL_CUSTOM_START + 2,
4211   EL_CUSTOM_START + 3,
4212
4213   EL_CUSTOM_START + 4,
4214   EL_CUSTOM_START + 5,
4215   EL_CUSTOM_START + 6,
4216   EL_CUSTOM_START + 7,
4217
4218   EL_CUSTOM_START + 8,
4219   EL_CUSTOM_START + 9,
4220   EL_CUSTOM_START + 10,
4221   EL_CUSTOM_START + 11,
4222
4223   EL_CUSTOM_START + 12,
4224   EL_CUSTOM_START + 13,
4225   EL_CUSTOM_START + 14,
4226   EL_CUSTOM_START + 15,
4227
4228   EL_CUSTOM_START + 16,
4229   EL_CUSTOM_START + 17,
4230   EL_CUSTOM_START + 18,
4231   EL_CUSTOM_START + 19,
4232
4233   EL_CUSTOM_START + 20,
4234   EL_CUSTOM_START + 21,
4235   EL_CUSTOM_START + 22,
4236   EL_CUSTOM_START + 23,
4237
4238   EL_CUSTOM_START + 24,
4239   EL_CUSTOM_START + 25,
4240   EL_CUSTOM_START + 26,
4241   EL_CUSTOM_START + 27,
4242
4243   EL_CUSTOM_START + 28,
4244   EL_CUSTOM_START + 29,
4245   EL_CUSTOM_START + 30,
4246   EL_CUSTOM_START + 31,
4247
4248   EL_CUSTOM_START + 32,
4249   EL_CUSTOM_START + 33,
4250   EL_CUSTOM_START + 34,
4251   EL_CUSTOM_START + 35,
4252
4253   EL_CUSTOM_START + 36,
4254   EL_CUSTOM_START + 37,
4255   EL_CUSTOM_START + 38,
4256   EL_CUSTOM_START + 39,
4257
4258   EL_CUSTOM_START + 40,
4259   EL_CUSTOM_START + 41,
4260   EL_CUSTOM_START + 42,
4261   EL_CUSTOM_START + 43,
4262
4263   EL_CUSTOM_START + 44,
4264   EL_CUSTOM_START + 45,
4265   EL_CUSTOM_START + 46,
4266   EL_CUSTOM_START + 47,
4267
4268   EL_CUSTOM_START + 48,
4269   EL_CUSTOM_START + 49,
4270   EL_CUSTOM_START + 50,
4271   EL_CUSTOM_START + 51,
4272
4273   EL_CUSTOM_START + 52,
4274   EL_CUSTOM_START + 53,
4275   EL_CUSTOM_START + 54,
4276   EL_CUSTOM_START + 55,
4277
4278   EL_CUSTOM_START + 56,
4279   EL_CUSTOM_START + 57,
4280   EL_CUSTOM_START + 58,
4281   EL_CUSTOM_START + 59,
4282
4283   EL_CUSTOM_START + 60,
4284   EL_CUSTOM_START + 61,
4285   EL_CUSTOM_START + 62,
4286   EL_CUSTOM_START + 63,
4287
4288   EL_CUSTOM_START + 64,
4289   EL_CUSTOM_START + 65,
4290   EL_CUSTOM_START + 66,
4291   EL_CUSTOM_START + 67,
4292
4293   EL_CUSTOM_START + 68,
4294   EL_CUSTOM_START + 69,
4295   EL_CUSTOM_START + 70,
4296   EL_CUSTOM_START + 71,
4297
4298   EL_CUSTOM_START + 72,
4299   EL_CUSTOM_START + 73,
4300   EL_CUSTOM_START + 74,
4301   EL_CUSTOM_START + 75,
4302
4303   EL_CUSTOM_START + 76,
4304   EL_CUSTOM_START + 77,
4305   EL_CUSTOM_START + 78,
4306   EL_CUSTOM_START + 79,
4307
4308   EL_CUSTOM_START + 80,
4309   EL_CUSTOM_START + 81,
4310   EL_CUSTOM_START + 82,
4311   EL_CUSTOM_START + 83,
4312
4313   EL_CUSTOM_START + 84,
4314   EL_CUSTOM_START + 85,
4315   EL_CUSTOM_START + 86,
4316   EL_CUSTOM_START + 87,
4317
4318   EL_CUSTOM_START + 88,
4319   EL_CUSTOM_START + 89,
4320   EL_CUSTOM_START + 90,
4321   EL_CUSTOM_START + 91,
4322
4323   EL_CUSTOM_START + 92,
4324   EL_CUSTOM_START + 93,
4325   EL_CUSTOM_START + 94,
4326   EL_CUSTOM_START + 95,
4327
4328   EL_CUSTOM_START + 96,
4329   EL_CUSTOM_START + 97,
4330   EL_CUSTOM_START + 98,
4331   EL_CUSTOM_START + 99,
4332
4333   EL_CUSTOM_START + 100,
4334   EL_CUSTOM_START + 101,
4335   EL_CUSTOM_START + 102,
4336   EL_CUSTOM_START + 103,
4337
4338   EL_CUSTOM_START + 104,
4339   EL_CUSTOM_START + 105,
4340   EL_CUSTOM_START + 106,
4341   EL_CUSTOM_START + 107,
4342
4343   EL_CUSTOM_START + 108,
4344   EL_CUSTOM_START + 109,
4345   EL_CUSTOM_START + 110,
4346   EL_CUSTOM_START + 111,
4347
4348   EL_CUSTOM_START + 112,
4349   EL_CUSTOM_START + 113,
4350   EL_CUSTOM_START + 114,
4351   EL_CUSTOM_START + 115,
4352
4353   EL_CUSTOM_START + 116,
4354   EL_CUSTOM_START + 117,
4355   EL_CUSTOM_START + 118,
4356   EL_CUSTOM_START + 119,
4357
4358   EL_CUSTOM_START + 120,
4359   EL_CUSTOM_START + 121,
4360   EL_CUSTOM_START + 122,
4361   EL_CUSTOM_START + 123,
4362
4363   EL_CUSTOM_START + 124,
4364   EL_CUSTOM_START + 125,
4365   EL_CUSTOM_START + 126,
4366   EL_CUSTOM_START + 127,
4367
4368   EL_CUSTOM_START + 128,
4369   EL_CUSTOM_START + 129,
4370   EL_CUSTOM_START + 130,
4371   EL_CUSTOM_START + 131,
4372
4373   EL_CUSTOM_START + 132,
4374   EL_CUSTOM_START + 133,
4375   EL_CUSTOM_START + 134,
4376   EL_CUSTOM_START + 135,
4377
4378   EL_CUSTOM_START + 136,
4379   EL_CUSTOM_START + 137,
4380   EL_CUSTOM_START + 138,
4381   EL_CUSTOM_START + 139,
4382
4383   EL_CUSTOM_START + 140,
4384   EL_CUSTOM_START + 141,
4385   EL_CUSTOM_START + 142,
4386   EL_CUSTOM_START + 143,
4387
4388   EL_CUSTOM_START + 144,
4389   EL_CUSTOM_START + 145,
4390   EL_CUSTOM_START + 146,
4391   EL_CUSTOM_START + 147,
4392
4393   EL_CUSTOM_START + 148,
4394   EL_CUSTOM_START + 149,
4395   EL_CUSTOM_START + 150,
4396   EL_CUSTOM_START + 151,
4397
4398   EL_CUSTOM_START + 152,
4399   EL_CUSTOM_START + 153,
4400   EL_CUSTOM_START + 154,
4401   EL_CUSTOM_START + 155,
4402
4403   EL_CUSTOM_START + 156,
4404   EL_CUSTOM_START + 157,
4405   EL_CUSTOM_START + 158,
4406   EL_CUSTOM_START + 159,
4407
4408   EL_CUSTOM_START + 160,
4409   EL_CUSTOM_START + 161,
4410   EL_CUSTOM_START + 162,
4411   EL_CUSTOM_START + 163,
4412
4413   EL_CUSTOM_START + 164,
4414   EL_CUSTOM_START + 165,
4415   EL_CUSTOM_START + 166,
4416   EL_CUSTOM_START + 167,
4417
4418   EL_CUSTOM_START + 168,
4419   EL_CUSTOM_START + 169,
4420   EL_CUSTOM_START + 170,
4421   EL_CUSTOM_START + 171,
4422
4423   EL_CUSTOM_START + 172,
4424   EL_CUSTOM_START + 173,
4425   EL_CUSTOM_START + 174,
4426   EL_CUSTOM_START + 175,
4427
4428   EL_CUSTOM_START + 176,
4429   EL_CUSTOM_START + 177,
4430   EL_CUSTOM_START + 178,
4431   EL_CUSTOM_START + 179,
4432
4433   EL_CUSTOM_START + 180,
4434   EL_CUSTOM_START + 181,
4435   EL_CUSTOM_START + 182,
4436   EL_CUSTOM_START + 183,
4437
4438   EL_CUSTOM_START + 184,
4439   EL_CUSTOM_START + 185,
4440   EL_CUSTOM_START + 186,
4441   EL_CUSTOM_START + 187,
4442
4443   EL_CUSTOM_START + 188,
4444   EL_CUSTOM_START + 189,
4445   EL_CUSTOM_START + 190,
4446   EL_CUSTOM_START + 191,
4447
4448   EL_CUSTOM_START + 192,
4449   EL_CUSTOM_START + 193,
4450   EL_CUSTOM_START + 194,
4451   EL_CUSTOM_START + 195,
4452
4453   EL_CUSTOM_START + 196,
4454   EL_CUSTOM_START + 197,
4455   EL_CUSTOM_START + 198,
4456   EL_CUSTOM_START + 199,
4457
4458   EL_CUSTOM_START + 200,
4459   EL_CUSTOM_START + 201,
4460   EL_CUSTOM_START + 202,
4461   EL_CUSTOM_START + 203,
4462
4463   EL_CUSTOM_START + 204,
4464   EL_CUSTOM_START + 205,
4465   EL_CUSTOM_START + 206,
4466   EL_CUSTOM_START + 207,
4467
4468   EL_CUSTOM_START + 208,
4469   EL_CUSTOM_START + 209,
4470   EL_CUSTOM_START + 210,
4471   EL_CUSTOM_START + 211,
4472
4473   EL_CUSTOM_START + 212,
4474   EL_CUSTOM_START + 213,
4475   EL_CUSTOM_START + 214,
4476   EL_CUSTOM_START + 215,
4477
4478   EL_CUSTOM_START + 216,
4479   EL_CUSTOM_START + 217,
4480   EL_CUSTOM_START + 218,
4481   EL_CUSTOM_START + 219,
4482
4483   EL_CUSTOM_START + 220,
4484   EL_CUSTOM_START + 221,
4485   EL_CUSTOM_START + 222,
4486   EL_CUSTOM_START + 223,
4487
4488   EL_CUSTOM_START + 224,
4489   EL_CUSTOM_START + 225,
4490   EL_CUSTOM_START + 226,
4491   EL_CUSTOM_START + 227,
4492
4493   EL_CUSTOM_START + 228,
4494   EL_CUSTOM_START + 229,
4495   EL_CUSTOM_START + 230,
4496   EL_CUSTOM_START + 231,
4497
4498   EL_CUSTOM_START + 232,
4499   EL_CUSTOM_START + 233,
4500   EL_CUSTOM_START + 234,
4501   EL_CUSTOM_START + 235,
4502
4503   EL_CUSTOM_START + 236,
4504   EL_CUSTOM_START + 237,
4505   EL_CUSTOM_START + 238,
4506   EL_CUSTOM_START + 239,
4507
4508   EL_CUSTOM_START + 240,
4509   EL_CUSTOM_START + 241,
4510   EL_CUSTOM_START + 242,
4511   EL_CUSTOM_START + 243,
4512
4513   EL_CUSTOM_START + 244,
4514   EL_CUSTOM_START + 245,
4515   EL_CUSTOM_START + 246,
4516   EL_CUSTOM_START + 247,
4517
4518   EL_CUSTOM_START + 248,
4519   EL_CUSTOM_START + 249,
4520   EL_CUSTOM_START + 250,
4521   EL_CUSTOM_START + 251,
4522
4523   EL_CUSTOM_START + 252,
4524   EL_CUSTOM_START + 253,
4525   EL_CUSTOM_START + 254,
4526   EL_CUSTOM_START + 255
4527 };
4528 static int *editor_hl_custom_ptr = editor_hl_custom;
4529 static int *editor_el_custom_ptr = editor_el_custom;
4530 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4531 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4532
4533 static int editor_hl_group[] =
4534 {
4535   EL_INTERNAL_CASCADE_GE_ACTIVE,
4536   EL_CHAR('G'),
4537   EL_CHAR('E'),
4538   EL_EMPTY,
4539 };
4540
4541 static int editor_el_group[] =
4542 {
4543   EL_GROUP_START + 0,
4544   EL_GROUP_START + 1,
4545   EL_GROUP_START + 2,
4546   EL_GROUP_START + 3,
4547
4548   EL_GROUP_START + 4,
4549   EL_GROUP_START + 5,
4550   EL_GROUP_START + 6,
4551   EL_GROUP_START + 7,
4552
4553   EL_GROUP_START + 8,
4554   EL_GROUP_START + 9,
4555   EL_GROUP_START + 10,
4556   EL_GROUP_START + 11,
4557
4558   EL_GROUP_START + 12,
4559   EL_GROUP_START + 13,
4560   EL_GROUP_START + 14,
4561   EL_GROUP_START + 15,
4562
4563   EL_GROUP_START + 16,
4564   EL_GROUP_START + 17,
4565   EL_GROUP_START + 18,
4566   EL_GROUP_START + 19,
4567
4568   EL_GROUP_START + 20,
4569   EL_GROUP_START + 21,
4570   EL_GROUP_START + 22,
4571   EL_GROUP_START + 23,
4572
4573   EL_GROUP_START + 24,
4574   EL_GROUP_START + 25,
4575   EL_GROUP_START + 26,
4576   EL_GROUP_START + 27,
4577
4578   EL_GROUP_START + 28,
4579   EL_GROUP_START + 29,
4580   EL_GROUP_START + 30,
4581   EL_GROUP_START + 31
4582 };
4583 static int *editor_hl_group_ptr = editor_hl_group;
4584 static int *editor_el_group_ptr = editor_el_group;
4585 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4586 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4587
4588 static int editor_hl_reference[] =
4589 {
4590   EL_INTERNAL_CASCADE_REF_ACTIVE,
4591   EL_CHAR('R'),
4592   EL_CHAR('E'),
4593   EL_CHAR('F')
4594 };
4595
4596 static int editor_el_reference[] =
4597 {
4598   EL_TRIGGER_PLAYER,
4599   EL_TRIGGER_ELEMENT,
4600   EL_TRIGGER_CE_VALUE,
4601   EL_TRIGGER_CE_SCORE,
4602
4603   EL_SELF,
4604   EL_ANY_ELEMENT,
4605   EL_CURRENT_CE_VALUE,
4606   EL_CURRENT_CE_SCORE,
4607
4608   EL_PREV_CE_8,
4609   EL_PREV_CE_7,
4610   EL_PREV_CE_6,
4611   EL_PREV_CE_5,
4612
4613   EL_PREV_CE_4,
4614   EL_PREV_CE_3,
4615   EL_PREV_CE_2,
4616   EL_PREV_CE_1,
4617
4618   EL_NEXT_CE_1,
4619   EL_NEXT_CE_2,
4620   EL_NEXT_CE_3,
4621   EL_NEXT_CE_4,
4622
4623   EL_NEXT_CE_5,
4624   EL_NEXT_CE_6,
4625   EL_NEXT_CE_7,
4626   EL_NEXT_CE_8,
4627 };
4628 static int *editor_hl_reference_ptr = editor_hl_reference;
4629 static int *editor_el_reference_ptr = editor_el_reference;
4630 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4631 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4632
4633 static int editor_hl_user_defined[] =
4634 {
4635   EL_INTERNAL_CASCADE_USER_ACTIVE,
4636   EL_CHAR('M'),
4637   EL_CHAR('Y'),
4638   EL_EMPTY,
4639 };
4640
4641 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4642 static int *editor_el_user_defined_ptr = NULL;
4643 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4644 static int num_editor_el_user_defined = 0;
4645
4646 static int editor_hl_dynamic[] =
4647 {
4648   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4649   EL_CHAR('U'),
4650   EL_CHAR('S'),
4651   EL_CHAR('E'),
4652 };
4653
4654 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4655 static int *editor_el_dynamic_ptr = NULL;
4656 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4657 static int num_editor_el_dynamic = 0;
4658
4659 static int editor_hl_empty[] = { };
4660 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
4661
4662 static int *editor_hl_empty_ptr = editor_hl_empty;
4663 static int *editor_el_empty_ptr = editor_el_empty;
4664 static int num_editor_hl_empty = 0;
4665 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4666
4667 static boolean use_el_empty = FALSE;
4668
4669 static int *editor_elements = NULL;     /* dynamically allocated */
4670 static int num_editor_elements = 0;     /* dynamically determined */
4671
4672 static boolean setup_editor_show_always = TRUE;
4673 static boolean setup_editor_cascade_never = FALSE;
4674
4675 static int editor_hl_unused[] = { EL_EMPTY };
4676 static int *editor_hl_unused_ptr = editor_hl_unused;
4677 static int num_editor_hl_unused = 0;
4678
4679 static struct
4680 {
4681   boolean *setup_value;
4682   boolean *setup_cascade_value;
4683
4684   int **headline_list;
4685   int *headline_list_size;
4686
4687   int **element_list;
4688   int *element_list_size;
4689
4690   boolean last_setup_value;
4691 }
4692 editor_elements_info[] =
4693 {
4694   {
4695     &setup_editor_show_always,
4696     &setup_editor_cascade_never,
4697     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4698     &editor_el_players_ptr,             &num_editor_el_players
4699   },
4700   {
4701     &setup.editor.el_boulderdash,
4702     &setup.editor_cascade.el_bd,
4703     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4704     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4705   },
4706   {
4707     &setup.editor.el_emerald_mine,
4708     &setup.editor_cascade.el_em,
4709     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4710     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4711   },
4712   {
4713     &setup.editor.el_emerald_mine_club,
4714     &setup.editor_cascade.el_emc,
4715     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4716     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4717   },
4718   {
4719     &setup.editor.el_more,
4720     &setup.editor_cascade.el_rnd,
4721     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4722     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4723   },
4724   {
4725     &setup.editor.el_sokoban,
4726     &setup.editor_cascade.el_sb,
4727     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4728     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4729   },
4730   {
4731     &setup.editor.el_supaplex,
4732     &setup.editor_cascade.el_sp,
4733     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4734     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4735   },
4736   {
4737     &setup.editor.el_diamond_caves,
4738     &setup.editor_cascade.el_dc,
4739     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4740     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4741   },
4742   {
4743     &setup.editor.el_dx_boulderdash,
4744     &setup.editor_cascade.el_dx,
4745     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4746     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4747   },
4748   {
4749     &setup.editor.el_chars,
4750     &setup.editor_cascade.el_chars,
4751     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4752     &editor_el_chars_ptr,               &num_editor_el_chars
4753   },
4754   {
4755     &setup.editor.el_steel_chars,
4756     &setup.editor_cascade.el_steel_chars,
4757     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4758     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4759   },
4760   {
4761     &setup.editor.el_custom,
4762     &setup.editor_cascade.el_ce,
4763     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4764     &editor_el_custom_ptr,              &num_editor_el_custom
4765   },
4766   {
4767     &setup.editor.el_custom,
4768     &setup.editor_cascade.el_ge,
4769     &editor_hl_group_ptr,               &num_editor_hl_group,
4770     &editor_el_group_ptr,               &num_editor_el_group
4771   },
4772   {
4773     &setup.editor.el_custom,
4774     &setup.editor_cascade.el_ref,
4775     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4776     &editor_el_reference_ptr,           &num_editor_el_reference
4777   },
4778   {
4779     &setup.editor.el_user_defined,
4780     &setup.editor_cascade.el_user,
4781     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4782     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4783   },
4784   {
4785     &setup.editor.el_dynamic,
4786     &setup.editor_cascade.el_dynamic,
4787     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4788     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4789   },
4790   {
4791     &use_el_empty,
4792     &use_el_empty,
4793     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4794     &editor_el_empty_ptr,               &num_editor_el_empty,
4795   },
4796   {
4797     NULL,
4798     NULL,
4799     NULL,                               NULL,
4800     NULL,                               NULL
4801   }
4802 };
4803
4804
4805 /*
4806   -----------------------------------------------------------------------------
4807   functions
4808   -----------------------------------------------------------------------------
4809 */
4810
4811 static int getMaxInfoTextLength()
4812 {
4813   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4814 }
4815
4816 static int getTextWidthForGadget(char *text)
4817 {
4818   if (text == NULL)
4819     return 0;
4820
4821   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4822 }
4823
4824 static int getTextWidthForDrawingArea(char *text)
4825 {
4826   if (text == NULL)
4827     return 0;
4828
4829   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4830 }
4831
4832 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4833 {
4834   return (gi->x + gi->width + getTextWidthForGadget(text));
4835 }
4836
4837 static char *getElementInfoText(int element)
4838 {
4839   char *info_text = NULL;
4840
4841   if (element < MAX_NUM_ELEMENTS)
4842   {
4843     if (strlen(element_info[element].description) > 0)
4844       info_text = element_info[element].description;
4845     else if (element_info[element].custom_description != NULL)
4846       info_text = element_info[element].custom_description;
4847     else if (element_info[element].editor_description != NULL)
4848       info_text = element_info[element].editor_description;
4849   }
4850
4851   if (info_text == NULL)
4852     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4853
4854   return info_text;
4855 }
4856
4857 char *getElementDescriptionFilename(int element)
4858 {
4859   char *docs_dir = options.docs_directory;
4860   char *elements_subdir = "elements";
4861   static char *filename = NULL;
4862   char basename[MAX_FILENAME_LEN];
4863
4864   checked_free(filename);
4865
4866   /* 1st try: look for element description file for exactly this element */
4867   sprintf(basename, "%s.txt", element_info[element].token_name);
4868   filename = getPath3(docs_dir, elements_subdir, basename);
4869   if (fileExists(filename))
4870     return filename;
4871
4872   free(filename);
4873
4874   /* 2nd try: look for element description file for this element's class */
4875   sprintf(basename, "%s.txt", element_info[element].class_name);
4876   filename = getPath3(docs_dir, elements_subdir, basename);
4877   if (fileExists(filename))
4878     return filename;
4879
4880   return NULL;
4881 }
4882
4883 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4884 {
4885   boolean element_found[NUM_FILE_ELEMENTS];
4886   int i, x, y;
4887
4888   /* initialize list of used elements to "not used" */
4889   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4890     element_found[i] = FALSE;
4891
4892   /* find all elements used in current level */
4893   for (y = 0; y < lev_fieldy; y++)
4894     for (x = 0; x < lev_fieldx; x++)
4895       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4896         element_found[Feld[x][y]] = TRUE;
4897
4898   *num_elements = 0;
4899
4900   /* count number of elements used in current level */
4901   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4902     if (element_found[i])
4903       (*num_elements)++;
4904
4905   /* add space for up to 3 more elements for padding that may be needed */
4906   *num_elements += 3;
4907
4908   /* free memory for old list of elements, if needed */
4909   checked_free(*elements);
4910
4911   /* allocate memory for new list of elements */
4912   *elements = checked_malloc(*num_elements * sizeof(int));
4913
4914   *num_elements = 0;
4915
4916   /* add all elements used in current level (non-custom/group elements) */
4917   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4918     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4919       (*elements)[(*num_elements)++] = i;
4920
4921   /* add all elements used in current level (custom/group elements) */
4922   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4923     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4924       (*elements)[(*num_elements)++] = i;
4925
4926   while (*num_elements % 4)     /* pad with empty elements, if needed */
4927     (*elements)[(*num_elements)++] = EL_EMPTY;
4928 }
4929
4930 static void ReinitializeElementList()
4931 {
4932   static boolean initialization_needed = TRUE;
4933   int pos = 0;
4934   int i, j;
4935
4936   if (initialization_needed)
4937   {
4938     LoadSetup_EditorCascade();          /* load last editor cascade state */
4939
4940     /* initialize editor cascade element from saved cascade state */
4941     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4942     {
4943       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4944       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4945
4946       if (IS_EDITOR_CASCADE(*cascade_element))
4947         *cascade_element =
4948           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4949            EL_CASCADE_INACTIVE(*cascade_element));
4950     }
4951
4952     initialization_needed = FALSE;
4953   }
4954
4955   checked_free(editor_elements);
4956
4957   /* reload optional user defined element list for each invocation of editor */
4958   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4959                                    &num_editor_el_user_defined);
4960
4961   /* initialize dynamic level element list for each invocation of editor */
4962   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4963                                &num_editor_el_dynamic);
4964
4965   /* initialize list of empty elements (used for padding, if needed) */
4966   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4967     editor_el_empty[i] = EL_EMPTY;
4968
4969   /* do some sanity checks for each element from element list */
4970   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4971   {
4972     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4973     {
4974       int element = (*editor_elements_info[i].element_list)[j];
4975
4976       if (element >= NUM_FILE_ELEMENTS)
4977         Error(ERR_WARN, "editor element %d is runtime element", element);
4978
4979       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4980         Error(ERR_WARN, "no element description for element %d", element);
4981     }
4982   }
4983
4984   num_editor_elements = 0;
4985   use_el_empty = FALSE;
4986
4987   /* determine size of element list */
4988   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4989   {
4990     boolean found_inactive_cascade = FALSE;
4991
4992     if (*editor_elements_info[i].setup_value)
4993     {
4994       if (setup.editor.el_headlines)
4995       {
4996         num_editor_elements += *editor_elements_info[i].headline_list_size;
4997
4998         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4999         {
5000           int element = (*editor_elements_info[i].headline_list)[j];
5001
5002           if (IS_EDITOR_CASCADE_INACTIVE(element))
5003             found_inactive_cascade = TRUE;
5004         }
5005       }
5006
5007       if (found_inactive_cascade)
5008         continue;
5009
5010       num_editor_elements += *editor_elements_info[i].element_list_size;
5011     }
5012   }
5013
5014   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5015   {
5016     /* offer at least as many elements as element buttons exist */
5017     use_el_empty = TRUE;
5018     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5019
5020     num_editor_elements += num_editor_el_empty;
5021   }
5022
5023   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5024
5025   /* fill element list */
5026   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5027   {
5028     boolean found_inactive_cascade = FALSE;
5029
5030     if (*editor_elements_info[i].setup_value)
5031     {
5032       if (setup.editor.el_headlines)
5033       {
5034         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5035         {
5036           int element = (*editor_elements_info[i].headline_list)[j];
5037
5038           editor_elements[pos++] = element;
5039
5040           if (IS_EDITOR_CASCADE_INACTIVE(element))
5041             found_inactive_cascade = TRUE;
5042         }
5043       }
5044
5045       if (found_inactive_cascade)
5046         continue;
5047
5048       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5049         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5050     }
5051   }
5052
5053   /* (this function is also called before editor gadgets are initialized!) */
5054   AdjustElementListScrollbar();
5055 }
5056
5057 void PrintEditorElementList()
5058 {
5059   boolean *stop = &setup.editor.el_user_defined;
5060   int i, j;
5061
5062   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5063   {
5064     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5065
5066     if (IS_EDITOR_CASCADE(cascade_element))
5067     {
5068       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5069       char *headline = element_info[cascade_element_show].editor_description;
5070
5071       printf_line_with_prefix("# ", "-", 77);
5072       printf("# %s\n", headline);
5073       printf_line_with_prefix("# ", "-", 77);
5074     }
5075
5076     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5077     {
5078       int element = (*editor_elements_info[i].headline_list)[j];
5079
5080       if (IS_EDITOR_CASCADE(element))
5081         element = EL_CHAR_MINUS;
5082
5083       printf("# %s\n", element_info[element].token_name);
5084     }
5085
5086     if (j > 0)
5087       printf("#\n");
5088
5089     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5090     {
5091       int element = (*editor_elements_info[i].element_list)[j];
5092
5093       printf("# %s\n", element_info[element].token_name);
5094     }
5095
5096     if (j > 0)
5097       printf("#\n");
5098   }
5099 }
5100
5101 static void ReinitializeElementListButtons()
5102 {
5103   static boolean last_setup_value_headlines = FALSE;
5104   static boolean initialization_needed = TRUE;
5105   int i;
5106
5107   if (!initialization_needed)   /* check if editor element setup has changed */
5108   {
5109     if (last_setup_value_headlines != setup.editor.el_headlines)
5110       initialization_needed = TRUE;
5111
5112     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5113       if (editor_elements_info[i].last_setup_value !=
5114           *editor_elements_info[i].setup_value)
5115         initialization_needed = TRUE;
5116   }
5117
5118   if (!initialization_needed)
5119     return;
5120
5121   FreeLevelEditorGadgets();
5122   CreateLevelEditorGadgets();
5123
5124   /* store current setup values for next invocation of this function */
5125   last_setup_value_headlines = setup.editor.el_headlines;
5126   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5127     editor_elements_info[i].last_setup_value =
5128       *editor_elements_info[i].setup_value;
5129
5130   initialization_needed = FALSE;
5131 }
5132
5133 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5134                               boolean input)
5135 {
5136   int border_graphic =
5137     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5138   Bitmap *src_bitmap;
5139   int src_x, src_y;
5140   int bx = (input ? 4 : 8);
5141   int by = (input ? 4 : 8);
5142   int bx2 = TILEX - bx;
5143   int by2 = TILEY - by;
5144   int i;
5145
5146   getGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5147
5148   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5149              bx, by, dest_x - bx, dest_y - by);
5150   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5151              bx, by, dest_x + width, dest_y - by);
5152   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5153              bx, by, dest_x - bx, dest_y + height);
5154   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5155              bx, by, dest_x + width, dest_y + height);
5156
5157   for (i = 0; i < width / MINI_TILEX; i++)
5158   {
5159     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5160                dest_x + i * MINI_TILEX, dest_y - by);
5161     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5162                dest_x + i * MINI_TILEX, dest_y + height);
5163   }
5164
5165   for (i = 0; i < height / MINI_TILEY; i++)
5166   {
5167     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5168                dest_x - bx, dest_y + i * MINI_TILEY);
5169     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5170                dest_x + width, dest_y + i * MINI_TILEY);
5171   }
5172
5173   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5174 }
5175
5176 static void DrawDrawingArea(int id)
5177 {
5178   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5179   int x, y;
5180
5181   int *value = drawingarea_info[id].value;
5182   int area_xsize = drawingarea_info[id].area_xsize;
5183   int area_ysize = drawingarea_info[id].area_ysize;
5184
5185   for (x = 0; x < area_xsize; x++)
5186     for (y = 0; y < area_ysize; y++)
5187       DrawMiniGraphicExt(drawto,
5188                          gi->x + x * MINI_TILEX,
5189                          gi->y + y * MINI_TILEY,
5190                          el2edimg(value[x * area_ysize + y]));
5191 }
5192
5193 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5194 {
5195   int x, y;
5196   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5197   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5198
5199   BlitBitmap(drawto, drawto,
5200              SX + (dx == -1 ? MINI_TILEX : 0),
5201              SY + (dy == -1 ? MINI_TILEY : 0),
5202              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5203              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5204              SX + (dx == +1 ? MINI_TILEX : 0),
5205              SY + (dy == +1 ? MINI_TILEY : 0));
5206
5207   if (dx)
5208   {
5209     x = (dx == 1 ? 0 : ed_fieldx - 1);
5210     for (y = 0; y < ed_fieldy; y++)
5211       DrawMiniElementOrWall(x, y, from_x, from_y);
5212   }
5213   else if (dy)
5214   {
5215     y = (dy == 1 ? 0 : ed_fieldy - 1);
5216     for (x = 0; x < ed_fieldx; x++)
5217       DrawMiniElementOrWall(x, y, from_x, from_y);
5218   }
5219
5220   redraw_mask |= REDRAW_FIELD;
5221   BackToFront();
5222 }
5223
5224 static void CreateControlButtons()
5225 {
5226   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5227   struct GadgetInfo *gi;
5228   unsigned long event_mask;
5229   int i;
5230
5231   /* create toolbox buttons */
5232   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5233   {
5234     int id = i;
5235     int width, height;
5236     int gd_xoffset, gd_yoffset;
5237     int gd_x1, gd_x2, gd_y1, gd_y2;
5238     int button_type;
5239     int radio_button_nr;
5240     boolean checked;
5241
5242     if (id == GADGET_ID_SINGLE_ITEMS ||
5243         id == GADGET_ID_CONNECTED_ITEMS ||
5244         id == GADGET_ID_LINE ||
5245         id == GADGET_ID_ARC ||
5246         id == GADGET_ID_TEXT ||
5247         id == GADGET_ID_RECTANGLE ||
5248         id == GADGET_ID_FILLED_BOX ||
5249         id == GADGET_ID_FLOOD_FILL ||
5250         id == GADGET_ID_GRAB_BRUSH ||
5251         id == GADGET_ID_PICK_ELEMENT ||
5252         id == GADGET_ID_CUSTOM_COPY_FROM ||
5253         id == GADGET_ID_CUSTOM_COPY_TO ||
5254         id == GADGET_ID_CUSTOM_EXCHANGE)
5255     {
5256       button_type = GD_TYPE_RADIO_BUTTON;
5257       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5258       checked = (id == drawing_function ? TRUE : FALSE);
5259       event_mask = GD_EVENT_PRESSED;
5260     }
5261     else
5262     {
5263       button_type = GD_TYPE_NORMAL_BUTTON;
5264       radio_button_nr = RADIO_NR_NONE;
5265       checked = FALSE;
5266
5267       if (id == GADGET_ID_WRAP_LEFT ||
5268           id == GADGET_ID_WRAP_RIGHT ||
5269           id == GADGET_ID_WRAP_UP ||
5270           id == GADGET_ID_WRAP_DOWN)
5271         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5272       else
5273         event_mask = GD_EVENT_RELEASED;
5274     }
5275
5276     if (id < ED_NUM_CTRL1_BUTTONS)
5277     {
5278       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5279       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5280
5281       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5282       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5283       width  = ED_CTRL1_BUTTON_XSIZE;
5284       height = ED_CTRL1_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_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5289       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5290     }
5291     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5292     {
5293       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5294       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5295
5296       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5297       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5298       width  = ED_CTRL2_BUTTON_XSIZE;
5299       height = ED_CTRL2_BUTTON_YSIZE;
5300
5301       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5302       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5303       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5304       gd_y2 = 0;        /* no alternative graphic for these buttons */
5305     }
5306     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5307     {
5308       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5309       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5310
5311       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5312       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5313       width  = ED_CTRL3_BUTTON_XSIZE;
5314       height = ED_CTRL3_BUTTON_YSIZE;
5315
5316       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5317       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5318       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5319       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5320     }
5321     else
5322     {
5323       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5324       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5325
5326       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5327       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5328       width  = ED_CTRL4_BUTTON_XSIZE;
5329       height = ED_CTRL4_BUTTON_YSIZE;
5330
5331       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5332       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5333       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5334       gd_y2 = 0;        /* no alternative graphic for these buttons */
5335     }
5336
5337     gi = CreateGadget(GDI_CUSTOM_ID, id,
5338                       GDI_CUSTOM_TYPE_ID, i,
5339                       GDI_INFO_TEXT, control_info[i].text,
5340                       GDI_X, EX + gd_xoffset,
5341                       GDI_Y, EY + gd_yoffset,
5342                       GDI_WIDTH, width,
5343                       GDI_HEIGHT, height,
5344                       GDI_TYPE, button_type,
5345                       GDI_STATE, GD_BUTTON_UNPRESSED,
5346                       GDI_RADIO_NR, radio_button_nr,
5347                       GDI_CHECKED, checked,
5348                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5349                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5350                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5351                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5352                       GDI_EVENT_MASK, event_mask,
5353                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5354                       GDI_CALLBACK_ACTION, HandleControlButtons,
5355                       GDI_END);
5356
5357     if (gi == NULL)
5358       Error(ERR_EXIT, "cannot create gadget");
5359
5360     level_editor_gadget[id] = gi;
5361   }
5362
5363   /* these values are not constant, but can change at runtime */
5364   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5365   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5366   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5367   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5368   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5369   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5370   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5371   scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5372
5373   /* create buttons for scrolling of drawing area and element list */
5374   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5375   {
5376     int id = scrollbutton_info[i].gadget_id;
5377     int x, y, width, height;
5378     int gd_x1, gd_x2, gd_y1, gd_y2;
5379
5380     x = scrollbutton_info[i].x;
5381     y = scrollbutton_info[i].y;
5382
5383     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5384
5385     if (id == GADGET_ID_SCROLL_LIST_UP ||
5386         id == GADGET_ID_SCROLL_LIST_DOWN)
5387     {
5388       x += DX;
5389       y += DY;
5390       width = ED_SCROLLBUTTON2_XSIZE;
5391       height = ED_SCROLLBUTTON2_YSIZE;
5392       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5393       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5394       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
5395       gd_y2 = gd_y1;
5396     }
5397     else
5398     {
5399       x += SX;
5400       y += SY;
5401       width = ED_SCROLLBUTTON_XSIZE;
5402       height = ED_SCROLLBUTTON_YSIZE;
5403       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5404       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5405       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5406       gd_y2 = gd_y1;
5407     }
5408
5409     gi = CreateGadget(GDI_CUSTOM_ID, id,
5410                       GDI_CUSTOM_TYPE_ID, i,
5411                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5412                       GDI_X, x,
5413                       GDI_Y, y,
5414                       GDI_WIDTH, width,
5415                       GDI_HEIGHT, height,
5416                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5417                       GDI_STATE, GD_BUTTON_UNPRESSED,
5418                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5419                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5420                       GDI_EVENT_MASK, event_mask,
5421                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5422                       GDI_CALLBACK_ACTION, HandleControlButtons,
5423                       GDI_END);
5424
5425     if (gi == NULL)
5426       Error(ERR_EXIT, "cannot create gadget");
5427
5428     level_editor_gadget[id] = gi;
5429   }
5430
5431   /* create buttons for element list */
5432   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5433   {
5434     Bitmap *deco_bitmap;
5435     int deco_x, deco_y, deco_xpos, deco_ypos;
5436     int gd_xoffset, gd_yoffset;
5437     int gd_x1, gd_x2, gd_y;
5438     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5439     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5440     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5441     int element = editor_elements[i];
5442
5443     event_mask = GD_EVENT_RELEASED;
5444
5445     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
5446     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
5447
5448     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
5449     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
5450     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
5451
5452     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5453     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
5454     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
5455
5456     gi = CreateGadget(GDI_CUSTOM_ID, id,
5457                       GDI_CUSTOM_TYPE_ID, i,
5458                       GDI_INFO_TEXT, getElementInfoText(element),
5459                       GDI_X, DX + gd_xoffset,
5460                       GDI_Y, DY + gd_yoffset,
5461                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
5462                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
5463                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5464                       GDI_STATE, GD_BUTTON_UNPRESSED,
5465                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5466                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5467                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5468                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5469                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5470                       GDI_DECORATION_SHIFTING, 1, 1,
5471                       GDI_EVENT_MASK, event_mask,
5472                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5473                       GDI_CALLBACK_ACTION, HandleControlButtons,
5474                       GDI_END);
5475
5476     if (gi == NULL)
5477       Error(ERR_EXIT, "cannot create gadget");
5478
5479     level_editor_gadget[id] = gi;
5480   }
5481 }
5482
5483 static void CreateCounterButtons()
5484 {
5485   int max_infotext_len = getMaxInfoTextLength();
5486   int i;
5487
5488   /* these values are not constant, but can change at runtime */
5489   counterbutton_info[ED_COUNTER_ID_SELECT_LEVEL].x = DX + 5 - SX;
5490   counterbutton_info[ED_COUNTER_ID_SELECT_LEVEL].y = DY + 3 - SY;
5491
5492   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5493   {
5494     int j;
5495     int x = SX + counterbutton_info[i].x;       /* down count button */
5496     int y = SY + counterbutton_info[i].y;
5497
5498     /* determine horizontal position to the right of specified gadget */
5499     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5500       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5501            ED_GADGET_TEXT_DISTANCE);
5502
5503     /* determine horizontal offset for leading text */
5504     if (counterbutton_info[i].text_left != NULL)
5505       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5506
5507     for (j = 0; j < 2; j++)
5508     {
5509       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5510       struct GadgetInfo *gi;
5511       int id = (j == 0 ?
5512                 counterbutton_info[i].gadget_id_down :
5513                 counterbutton_info[i].gadget_id_up);
5514       int gd_xoffset;
5515       int gd_x, gd_x1, gd_x2, gd_y;
5516       int x_size, y_size;
5517       unsigned long event_mask;
5518       char infotext[max_infotext_len + 1];
5519
5520       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5521
5522       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5523       {
5524         int sid = (j == 0 ?
5525                    ED_SCROLLBUTTON_ID_AREA_LEFT :
5526                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
5527
5528         event_mask |= GD_EVENT_RELEASED;
5529
5530         if (j == 1)
5531           x += 2 * ED_GADGET_DISTANCE;
5532         y += ED_GADGET_DISTANCE;
5533
5534         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
5535         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5536         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
5537         x_size = ED_SCROLLBUTTON_XSIZE;
5538         y_size = ED_SCROLLBUTTON_YSIZE;
5539       }
5540       else
5541       {
5542         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5543         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5544         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5545         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5546         x_size = ED_BUTTON_COUNT_XSIZE;
5547         y_size = ED_BUTTON_COUNT_YSIZE;
5548       }
5549
5550       sprintf(infotext, "%s counter value by 1, 5 or 10",
5551               (j == 0 ? "decrease" : "increase"));
5552
5553       gi = CreateGadget(GDI_CUSTOM_ID, id,
5554                         GDI_CUSTOM_TYPE_ID, i,
5555                         GDI_INFO_TEXT, infotext,
5556                         GDI_X, x,
5557                         GDI_Y, y,
5558                         GDI_WIDTH, x_size,
5559                         GDI_HEIGHT, y_size,
5560                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5561                         GDI_STATE, GD_BUTTON_UNPRESSED,
5562                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5563                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5564                         GDI_EVENT_MASK, event_mask,
5565                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5566                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5567                         GDI_END);
5568
5569       if (gi == NULL)
5570         Error(ERR_EXIT, "cannot create gadget");
5571
5572       level_editor_gadget[id] = gi;
5573       right_gadget_border[id] =
5574         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5575
5576       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5577
5578       if (j == 0)
5579       {
5580         int font_type = FONT_INPUT_1;
5581         int font_type_active = FONT_INPUT_1_ACTIVE;
5582         int gd_width = ED_WIN_COUNT_XSIZE;
5583
5584         id = counterbutton_info[i].gadget_id_text;
5585         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5586
5587         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5588         {
5589           font_type = FONT_LEVEL_NUMBER;
5590 #if 1
5591           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5592 #else
5593           font_type_active = FONT_LEVEL_NUMBER;
5594 #endif
5595           x += 2 * ED_GADGET_DISTANCE;
5596           y -= ED_GADGET_DISTANCE;
5597
5598           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5599           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5600           gd_width = ED_WIN_COUNT2_XSIZE;
5601         }
5602         else
5603         {
5604           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5605           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5606         }
5607
5608         gi = CreateGadget(GDI_CUSTOM_ID, id,
5609                           GDI_CUSTOM_TYPE_ID, i,
5610                           GDI_INFO_TEXT, "enter counter value",
5611                           GDI_X, x,
5612                           GDI_Y, y,
5613                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5614                           GDI_NUMBER_VALUE, 0,
5615                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5616                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5617                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5618                           GDI_TEXT_FONT, font_type,
5619                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5620                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5621                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5622                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5623                           GDI_DESIGN_WIDTH, gd_width,
5624                           GDI_EVENT_MASK, event_mask,
5625                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5626                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5627                           GDI_END);
5628
5629         if (gi == NULL)
5630           Error(ERR_EXIT, "cannot create gadget");
5631
5632         level_editor_gadget[id] = gi;
5633         right_gadget_border[id] =
5634           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5635
5636         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5637       }
5638     }
5639   }
5640 }
5641
5642 static void CreateDrawingAreas()
5643 {
5644   int i;
5645
5646   /* these values are not constant, but can change at runtime */
5647   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5648   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5649
5650   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5651   {
5652     struct GadgetInfo *gi;
5653     unsigned long event_mask;
5654     int id = drawingarea_info[i].gadget_id;
5655     int x = SX + drawingarea_info[i].x;
5656     int y = SY + drawingarea_info[i].y;
5657     int area_xsize = drawingarea_info[i].area_xsize;
5658     int area_ysize = drawingarea_info[i].area_ysize;
5659
5660     event_mask =
5661       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5662       GD_EVENT_OFF_BORDERS;
5663
5664     /* determine horizontal position to the right of specified gadget */
5665     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5666       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5667            ED_DRAWINGAREA_TEXT_DISTANCE);
5668
5669     /* determine horizontal offset for leading text */
5670     if (drawingarea_info[i].text_left != NULL)
5671       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5672
5673     gi = CreateGadget(GDI_CUSTOM_ID, id,
5674                       GDI_CUSTOM_TYPE_ID, i,
5675                       GDI_X, x,
5676                       GDI_Y, y,
5677                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5678                       GDI_AREA_SIZE, area_xsize, area_ysize,
5679                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5680                       GDI_EVENT_MASK, event_mask,
5681                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5682                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5683                       GDI_END);
5684
5685     if (gi == NULL)
5686       Error(ERR_EXIT, "cannot create gadget");
5687
5688     level_editor_gadget[id] = gi;
5689     right_gadget_border[id] =
5690       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5691   }
5692 }
5693
5694 static void CreateTextInputGadgets()
5695 {
5696   int max_infotext_len = getMaxInfoTextLength();
5697   int i;
5698
5699   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5700   {
5701     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5702     int gd_x, gd_y;
5703     struct GadgetInfo *gi;
5704     unsigned long event_mask;
5705     char infotext[MAX_OUTPUT_LINESIZE + 1];
5706     int id = textinput_info[i].gadget_id;
5707
5708     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5709
5710     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5711     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5712
5713     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5714     infotext[max_infotext_len] = '\0';
5715
5716     gi = CreateGadget(GDI_CUSTOM_ID, id,
5717                       GDI_CUSTOM_TYPE_ID, i,
5718                       GDI_INFO_TEXT, infotext,
5719                       GDI_X, SX + textinput_info[i].x,
5720                       GDI_Y, SY + textinput_info[i].y,
5721                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5722                       GDI_TEXT_VALUE, textinput_info[i].value,
5723                       GDI_TEXT_SIZE, textinput_info[i].size,
5724                       GDI_TEXT_FONT, FONT_INPUT_1,
5725                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5726                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5727                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5728                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5729                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5730                       GDI_EVENT_MASK, event_mask,
5731                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5732                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5733                       GDI_END);
5734
5735     if (gi == NULL)
5736       Error(ERR_EXIT, "cannot create gadget");
5737
5738     level_editor_gadget[id] = gi;
5739   }
5740 }
5741
5742 static void CreateTextAreaGadgets()
5743 {
5744   int max_infotext_len = getMaxInfoTextLength();
5745   int i;
5746
5747   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5748   {
5749     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5750     int gd_x, gd_y;
5751     struct GadgetInfo *gi;
5752     unsigned long event_mask;
5753     char infotext[MAX_OUTPUT_LINESIZE + 1];
5754     int id = textarea_info[i].gadget_id;
5755     int area_xsize = textarea_info[i].xsize;
5756     int area_ysize = textarea_info[i].ysize;
5757
5758     event_mask = GD_EVENT_TEXT_LEAVING;
5759
5760     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5761     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5762
5763     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5764     infotext[max_infotext_len] = '\0';
5765
5766     gi = CreateGadget(GDI_CUSTOM_ID, id,
5767                       GDI_CUSTOM_TYPE_ID, i,
5768                       GDI_INFO_TEXT, infotext,
5769                       GDI_X, SX + textarea_info[i].x,
5770                       GDI_Y, SY + textarea_info[i].y,
5771                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5772                       GDI_AREA_SIZE, area_xsize, area_ysize,
5773                       GDI_TEXT_FONT, FONT_INPUT_1,
5774                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5775                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5776                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5777                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5778                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5779                       GDI_EVENT_MASK, event_mask,
5780                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5781                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5782                       GDI_END);
5783
5784     if (gi == NULL)
5785       Error(ERR_EXIT, "cannot create gadget");
5786
5787     level_editor_gadget[id] = gi;
5788   }
5789 }
5790
5791 static void CreateSelectboxGadgets()
5792 {
5793   int max_infotext_len = getMaxInfoTextLength();
5794   int i, j;
5795
5796   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5797   {
5798     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5799     int gd_x, gd_y;
5800     struct GadgetInfo *gi;
5801     unsigned long event_mask;
5802     char infotext[MAX_OUTPUT_LINESIZE + 1];
5803     int id = selectbox_info[i].gadget_id;
5804     int x = SX + selectbox_info[i].x;
5805     int y = SY + selectbox_info[i].y;
5806
5807     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5808     {
5809       /* (we cannot use -1 for uninitialized values if we directly compare
5810          with results from strlen(), because the '<' and '>' operation will
5811          implicitely cast -1 to an unsigned integer value!) */
5812       selectbox_info[i].size = 0;
5813
5814       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5815         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5816           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5817
5818       selectbox_info[i].size++;         /* add one character empty space */
5819     }
5820
5821     event_mask = GD_EVENT_RELEASED |
5822       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5823
5824     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5825     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5826
5827     /* determine horizontal position to the right of specified gadget */
5828     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5829       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5830            ED_GADGET_TEXT_DISTANCE);
5831
5832     /* determine horizontal offset for leading text */
5833     if (selectbox_info[i].text_left != NULL)
5834       x += getTextWidthForGadget(selectbox_info[i].text_left);
5835
5836     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5837     infotext[max_infotext_len] = '\0';
5838
5839     gi = CreateGadget(GDI_CUSTOM_ID, id,
5840                       GDI_CUSTOM_TYPE_ID, i,
5841                       GDI_INFO_TEXT, infotext,
5842                       GDI_X, x,
5843                       GDI_Y, y,
5844                       GDI_TYPE, GD_TYPE_SELECTBOX,
5845                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5846                       GDI_TEXT_SIZE, selectbox_info[i].size,
5847                       GDI_TEXT_FONT, FONT_INPUT_1,
5848                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5849                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5850                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5851                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5852                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5853                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5854                       GDI_EVENT_MASK, event_mask,
5855                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5856                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5857                       GDI_END);
5858
5859     if (gi == NULL)
5860       Error(ERR_EXIT, "cannot create gadget");
5861
5862     level_editor_gadget[id] = gi;
5863     right_gadget_border[id] =
5864       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5865   }
5866 }
5867
5868 static void CreateTextbuttonGadgets()
5869 {
5870   int max_infotext_len = getMaxInfoTextLength();
5871   int i;
5872
5873   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5874   {
5875     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5876     int gd_x1, gd_x2, gd_y1, gd_y2;
5877     struct GadgetInfo *gi;
5878     unsigned long event_mask;
5879     char infotext[MAX_OUTPUT_LINESIZE + 1];
5880     int id = textbutton_info[i].gadget_id;
5881     int x = SX + textbutton_info[i].x;
5882     int y = SY + textbutton_info[i].y;
5883
5884     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5885       textbutton_info[i].size = strlen(textbutton_info[i].text);
5886
5887     event_mask = GD_EVENT_RELEASED;
5888
5889     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5890         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5891     {
5892       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5893       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5894       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5895       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5896     }
5897     else
5898     {
5899       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5900       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5901       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5902       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5903     }
5904
5905     sprintf(infotext, "%s", textbutton_info[i].infotext);
5906     infotext[max_infotext_len] = '\0';
5907
5908     /* determine horizontal position to the right of specified gadget */
5909     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5910       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5911            ED_GADGET_TEXT_DISTANCE);
5912
5913     /* determine horizontal offset for leading text */
5914     if (textbutton_info[i].text_left != NULL)
5915       x += getTextWidthForGadget(textbutton_info[i].text_left);
5916
5917     gi = CreateGadget(GDI_CUSTOM_ID, id,
5918                       GDI_CUSTOM_TYPE_ID, i,
5919                       GDI_INFO_TEXT, infotext,
5920                       GDI_X, x,
5921                       GDI_Y, y,
5922                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5923                       GDI_TEXT_VALUE, textbutton_info[i].text,
5924                       GDI_TEXT_SIZE, textbutton_info[i].size,
5925                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5926                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5927                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5928                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5929                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5930                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5931                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5932                       GDI_DECORATION_SHIFTING, 1, 1,
5933                       GDI_EVENT_MASK, event_mask,
5934                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5935                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5936                       GDI_END);
5937
5938     if (gi == NULL)
5939       Error(ERR_EXIT, "cannot create gadget");
5940
5941     level_editor_gadget[id] = gi;
5942     right_gadget_border[id] =
5943       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5944   }
5945 }
5946
5947 static void CreateGraphicbuttonGadgets()
5948 {
5949   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5950   struct GadgetInfo *gi;
5951   unsigned long event_mask;
5952   int i;
5953
5954   /* create buttons for scrolling of drawing area and element list */
5955   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5956   {
5957     int id = graphicbutton_info[i].gadget_id;
5958     int gd_x1, gd_x2, gd_y1, gd_y2;
5959     int x = SX + graphicbutton_info[i].x;
5960     int y = SY + graphicbutton_info[i].y;
5961
5962     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5963
5964     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5965     {
5966       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5967       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5968       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5969       gd_y2 = gd_y1;
5970     }
5971     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5972     {
5973       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5974       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5975       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5976       gd_y2 = gd_y1;
5977     }
5978
5979     /* determine horizontal position to the right of specified gadget */
5980     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5981       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5982            ED_GADGET_TEXT_DISTANCE);
5983
5984     /* determine horizontal offset for leading text */
5985     if (graphicbutton_info[i].text_left != NULL)
5986       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5987
5988     gi = CreateGadget(GDI_CUSTOM_ID, id,
5989                       GDI_CUSTOM_TYPE_ID, i,
5990                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5991                       GDI_X, x,
5992                       GDI_Y, y,
5993                       GDI_WIDTH, graphicbutton_info[i].width,
5994                       GDI_HEIGHT, graphicbutton_info[i].height,
5995                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5996                       GDI_STATE, GD_BUTTON_UNPRESSED,
5997                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5998                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5999                       GDI_EVENT_MASK, event_mask,
6000                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6001                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6002                       GDI_END);
6003
6004     if (gi == NULL)
6005       Error(ERR_EXIT, "cannot create gadget");
6006
6007     level_editor_gadget[id] = gi;
6008     right_gadget_border[id] =
6009       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6010   }
6011 }
6012
6013 static void CreateScrollbarGadgets()
6014 {
6015   int i;
6016
6017   /* these values are not constant, but can change at runtime */
6018   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6019     SX + ED_SCROLL_HORIZONTAL_XPOS;
6020   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6021     SY + ED_SCROLL_HORIZONTAL_YPOS;
6022   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6023     ED_SCROLL_HORIZONTAL_XSIZE;
6024   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6025     ED_SCROLL_HORIZONTAL_YSIZE;
6026   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6027   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6028   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6029   scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6030
6031   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6032     SX + ED_SCROLL_VERTICAL_XPOS;
6033   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6034     SY + ED_SCROLL_VERTICAL_YPOS;
6035   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6036     ED_SCROLL_VERTICAL_XSIZE;
6037   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6038     ED_SCROLL_VERTICAL_YSIZE;
6039   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6040   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6041   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6042   scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6043
6044   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6045     DX + ED_SCROLL2_VERTICAL_XPOS;
6046   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6047     DY + ED_SCROLL2_VERTICAL_YPOS;
6048   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6049   scrollbar_info[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6050
6051   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6052   {
6053     int id = scrollbar_info[i].gadget_id;
6054     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6055     int gd_x1, gd_x2, gd_y1, gd_y2;
6056     struct GadgetInfo *gi;
6057     int items_max, items_visible, item_position;
6058     unsigned long event_mask;
6059
6060     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6061     {
6062       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6063       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6064       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6065     }
6066     else        /* drawing area scrollbars */
6067     {
6068       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6069       {
6070         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6071         items_visible = ed_fieldx;
6072         item_position = 0;
6073       }
6074       else
6075       {
6076         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6077         items_visible = ed_fieldy;
6078         item_position = 0;
6079       }
6080     }
6081
6082     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6083
6084     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
6085     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
6086                       scrollbar_info[i].height : scrollbar_info[i].width));
6087     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6088     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6089
6090     gi = CreateGadget(GDI_CUSTOM_ID, id,
6091                       GDI_CUSTOM_TYPE_ID, i,
6092                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6093                       GDI_X, scrollbar_info[i].x,
6094                       GDI_Y, scrollbar_info[i].y,
6095                       GDI_WIDTH, scrollbar_info[i].width,
6096                       GDI_HEIGHT, scrollbar_info[i].height,
6097                       GDI_TYPE, scrollbar_info[i].type,
6098                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6099                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6100                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6101                       GDI_WHEEL_AREA_X, scrollbar_info[i].wheel_x,
6102                       GDI_WHEEL_AREA_Y, scrollbar_info[i].wheel_y,
6103                       GDI_WHEEL_AREA_WIDTH, scrollbar_info[i].wheel_width,
6104                       GDI_WHEEL_AREA_HEIGHT, scrollbar_info[i].wheel_height,
6105                       GDI_STATE, GD_BUTTON_UNPRESSED,
6106                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6107                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6108                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6109                       GDI_EVENT_MASK, event_mask,
6110                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6111                       GDI_CALLBACK_ACTION, HandleControlButtons,
6112                       GDI_END);
6113
6114     if (gi == NULL)
6115       Error(ERR_EXIT, "cannot create gadget");
6116
6117     level_editor_gadget[id] = gi;
6118   }
6119 }
6120
6121 static void CreateCheckbuttonGadgets()
6122 {
6123   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6124   struct GadgetInfo *gi;
6125   unsigned long event_mask;
6126   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6127   int i;
6128
6129   event_mask = GD_EVENT_PRESSED;
6130
6131   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6132   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6133   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6134   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6135   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6136
6137   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6138   {
6139     int id = checkbutton_info[i].gadget_id;
6140     int x = SX + checkbutton_info[i].x;
6141     int y = SY + checkbutton_info[i].y;
6142
6143     if (id == GADGET_ID_STICK_ELEMENT)
6144       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6145     else
6146       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6147
6148     /* determine horizontal position to the right of specified gadget */
6149     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6150       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6151            ED_GADGET_TEXT_DISTANCE);
6152
6153     /* determine horizontal offset for leading text */
6154     if (checkbutton_info[i].text_left != NULL)
6155       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6156
6157     gi = CreateGadget(GDI_CUSTOM_ID, id,
6158                       GDI_CUSTOM_TYPE_ID, i,
6159                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6160                       GDI_X, x,
6161                       GDI_Y, y,
6162                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6163                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6164                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6165                       GDI_CHECKED, *checkbutton_info[i].value,
6166                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6167                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6168                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6169                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6170                       GDI_EVENT_MASK, event_mask,
6171                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6172                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6173                       GDI_END);
6174
6175     if (gi == NULL)
6176       Error(ERR_EXIT, "cannot create gadget");
6177
6178     level_editor_gadget[id] = gi;
6179     right_gadget_border[id] =
6180       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6181   }
6182 }
6183
6184 static void CreateRadiobuttonGadgets()
6185 {
6186   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6187   struct GadgetInfo *gi;
6188   unsigned long event_mask;
6189   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6190   int i;
6191
6192   event_mask = GD_EVENT_PRESSED;
6193
6194   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6195   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6196   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6197   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6198   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6199
6200   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6201   {
6202     int id = radiobutton_info[i].gadget_id;
6203     int x = SX + radiobutton_info[i].x;
6204     int y = SY + radiobutton_info[i].y;
6205
6206     int checked =
6207       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6208
6209     /* determine horizontal position to the right of specified gadget */
6210     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6211       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6212            ED_GADGET_TEXT_DISTANCE);
6213
6214     /* determine horizontal offset for leading text */
6215     if (radiobutton_info[i].text_left != NULL)
6216       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6217
6218     gi = CreateGadget(GDI_CUSTOM_ID, id,
6219                       GDI_CUSTOM_TYPE_ID, i,
6220                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6221                       GDI_X, x,
6222                       GDI_Y, y,
6223                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6224                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6225                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6226                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6227                       GDI_CHECKED, checked,
6228                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6229                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6230                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6231                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6232                       GDI_EVENT_MASK, event_mask,
6233                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6234                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6235                       GDI_END);
6236
6237     if (gi == NULL)
6238       Error(ERR_EXIT, "cannot create gadget");
6239
6240     level_editor_gadget[id] = gi;
6241     right_gadget_border[id] =
6242       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6243   }
6244 }
6245
6246 void CreateLevelEditorGadgets()
6247 {
6248   int old_game_status = game_status;
6249
6250   /* setting 'game_status' is needed to get the right fonts for the editor */
6251   game_status = GAME_MODE_EDITOR;
6252
6253   /* these values are not constant, but can change at runtime */
6254   ed_fieldx = MAX_ED_FIELDX - 1;
6255   ed_fieldy = MAX_ED_FIELDY - 1;
6256
6257   ReinitializeElementList();
6258
6259   CreateControlButtons();
6260   CreateScrollbarGadgets();
6261
6262   /* order of function calls is important because of cross-references */
6263   CreateCheckbuttonGadgets();
6264   CreateCounterButtons();
6265   CreateRadiobuttonGadgets();
6266   CreateTextInputGadgets();
6267   CreateTextAreaGadgets();
6268   CreateSelectboxGadgets();
6269   CreateGraphicbuttonGadgets();
6270   CreateTextbuttonGadgets();
6271   CreateDrawingAreas();
6272
6273   game_status = old_game_status;
6274 }
6275
6276 void FreeLevelEditorGadgets()
6277 {
6278   int i;
6279
6280   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6281   {
6282     FreeGadget(level_editor_gadget[i]);
6283
6284     level_editor_gadget[i] = NULL;
6285   }
6286 }
6287
6288 static void MapCounterButtons(int id)
6289 {
6290   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6291   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6292   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6293   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6294   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6295   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6296   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6297   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6298   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6299   int yoffset = ED_BORDER_SIZE;
6300   int x_left = gi_down->x - xoffset_left;
6301   int x_right;  /* set after gadget position was modified */
6302   int y_above = gi_down->y - yoffset_above;
6303   int x = gi_down->x;
6304   int y;        /* set after gadget position was modified */
6305
6306   /* counter limits must be changed first to prevent value truncation */
6307   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6308                             counterbutton_info[id].max_value);
6309
6310   /* right text position might have changed after setting position above */
6311   x_right = gi_up->x + gi_up->width + xoffset_right;
6312
6313   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6314
6315   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6316   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6317       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6318   {
6319     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6320     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6321     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6322   }
6323
6324   /* vertical position might have changed after setting position above */
6325   y = gi_up->y + yoffset;
6326
6327   if (counterbutton_info[id].text_above)
6328     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6329
6330   if (counterbutton_info[id].text_left)
6331     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6332
6333   if (counterbutton_info[id].text_right)
6334     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6335
6336   MapGadget(gi_down);
6337   MapGadget(gi_text);
6338   MapGadget(gi_up);
6339 }
6340
6341 static void MapControlButtons()
6342 {
6343   int counter_id;
6344   int i;
6345
6346   /* map toolbox buttons (excluding special CE toolbox buttons) */
6347   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6348     MapGadget(level_editor_gadget[i]);
6349
6350   /* map buttons to select elements */
6351   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6352     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6353   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6354   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6355   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6356
6357   /* map buttons to select level */
6358   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6359   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6360   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6361   MapCounterButtons(counter_id);
6362 }
6363
6364 static void MapDrawingArea(int id)
6365 {
6366   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6367   int area_xsize = gi->drawing.area_xsize;
6368   int area_ysize = gi->drawing.area_ysize;
6369   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6370   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6371   int x_left  = gi->x - xoffset_left;
6372   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6373   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6374   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6375   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6376
6377   if (drawingarea_info[id].text_left)
6378     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6379
6380   if (drawingarea_info[id].text_right)
6381     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6382
6383   if (drawingarea_info[id].text_below)
6384     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6385
6386   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6387   {
6388     DrawElementBorder(gi->x, gi->y,
6389                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6390
6391     DrawDrawingArea(id);
6392   }
6393
6394   MapGadget(gi);
6395 }
6396
6397 static void MapTextInputGadget(int id)
6398 {
6399   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6400   int xoffset_above = 0;
6401   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6402   int x_above = textinput_info[id].x + xoffset_above;
6403   int y_above = textinput_info[id].y + yoffset_above;
6404
6405   if (textinput_info[id].text_above)
6406     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6407
6408   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6409
6410   MapGadget(gi);
6411 }
6412
6413 static void MapTextAreaGadget(int id)
6414 {
6415   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6416   int xoffset_above = 0;
6417   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6418   int x_above = textarea_info[id].x + xoffset_above;
6419   int y_above = textarea_info[id].y + yoffset_above;
6420
6421   if (textarea_info[id].text_above)
6422     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6423
6424   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6425
6426   MapGadget(gi);
6427 }
6428
6429 static void MapSelectboxGadget(int id)
6430 {
6431   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6432   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6433   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6434   int yoffset = ED_BORDER_SIZE;
6435   int x_left = gi->x - xoffset_left;
6436   int x_right = gi->x + gi->width + xoffset_right;
6437   int y = gi->y + yoffset;
6438
6439   if (selectbox_info[id].text_left)
6440     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6441
6442   if (selectbox_info[id].text_right)
6443     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6444
6445   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6446
6447   MapGadget(gi);
6448 }
6449
6450 static void MapTextbuttonGadget(int id)
6451 {
6452   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6453   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6454   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6455   int yoffset = ED_BORDER_SIZE;
6456   int x_left = gi->x - xoffset_left;
6457   int x_right = gi->x + gi->width + xoffset_right;
6458   int y = gi->y + yoffset;
6459
6460   /* only show button to delete change pages when more than minimum pages */
6461   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6462       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6463     return;
6464
6465   if (textbutton_info[id].text_left)
6466     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6467
6468   if (textbutton_info[id].text_right)
6469     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6470
6471   MapGadget(gi);
6472 }
6473
6474 static void MapGraphicbuttonGadget(int id)
6475 {
6476   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6477   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6478   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6479   int yoffset = ED_BORDER_SIZE;
6480   int x_left = gi->x - xoffset_left;
6481   int x_right = gi->x + gi->width + xoffset_right;
6482   int y = gi->y + yoffset;
6483
6484   if (graphicbutton_info[id].text_left)
6485     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6486
6487   if (graphicbutton_info[id].text_right)
6488     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6489
6490   MapGadget(gi);
6491 }
6492
6493 static void MapRadiobuttonGadget(int id)
6494 {
6495   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6496   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6497   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6498   int yoffset = ED_BORDER_SIZE;
6499   int x_left = gi->x - xoffset_left;
6500   int x_right = gi->x + gi->width + xoffset_right;
6501   int y = gi->y + yoffset;
6502   boolean checked =
6503     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6504
6505   if (radiobutton_info[id].text_left)
6506     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6507
6508   if (radiobutton_info[id].text_right)
6509     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6510
6511   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6512
6513   MapGadget(gi);
6514 }
6515
6516 static void MapCheckbuttonGadget(int id)
6517 {
6518   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6519   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6520   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6521   int yoffset = ED_BORDER_SIZE;
6522   int x_left, x_right, y;       /* set after gadget position was modified */
6523
6524   /* set position for gadgets with dynamically determined position */
6525   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6526     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6527   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6528
6529   x_left = gi->x - xoffset_left;
6530   x_right = gi->x + gi->width + xoffset_right;
6531   y = gi->y + yoffset;
6532
6533   if (checkbutton_info[id].text_left)
6534     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6535
6536   if (checkbutton_info[id].text_right)
6537     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6538
6539   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6540
6541   MapGadget(gi);
6542 }
6543
6544 static void MapMainDrawingArea()
6545 {
6546   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6547   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6548   int i;
6549
6550   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6551   {
6552     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6553           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6554          no_horizontal_scrollbar) ||
6555         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6556           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6557          no_vertical_scrollbar))
6558       continue;
6559
6560     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6561   }
6562
6563   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6564   {
6565     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6566         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6567       continue;
6568
6569     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6570   }
6571
6572   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6573 }
6574
6575 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6576 {
6577   int i;
6578
6579   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6580   {
6581     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6582         i == GADGET_ID_CUSTOM_COPY_TO ||
6583         i == GADGET_ID_CUSTOM_EXCHANGE ||
6584         i == GADGET_ID_CUSTOM_COPY ||
6585         i == GADGET_ID_CUSTOM_PASTE)
6586     {
6587       if (map)
6588         MapGadget(level_editor_gadget[i]);
6589       else
6590         UnmapGadget(level_editor_gadget[i]);
6591     }
6592   }
6593 }
6594
6595 static void MapLevelEditorToolboxCustomGadgets()
6596 {
6597   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6598 }
6599
6600 static void UnmapLevelEditorToolboxCustomGadgets()
6601 {
6602   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6603 }
6604
6605 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6606 {
6607   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6608   int i;
6609
6610   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6611   {
6612     if (i != GADGET_ID_SINGLE_ITEMS &&
6613         i != GADGET_ID_PROPERTIES &&
6614         i != GADGET_ID_PICK_ELEMENT)
6615     {
6616       struct GadgetInfo *gi = level_editor_gadget[i];
6617
6618       if (map)
6619         MapGadget(gi);
6620       else
6621       {
6622         UnmapGadget(gi);
6623
6624         BlitBitmap(gd_bitmap, drawto,
6625                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6626                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6627                    gi->width, gi->height, gi->x, gi->y);
6628
6629         redraw_mask |= REDRAW_DOOR_3;
6630       }
6631     }
6632   }
6633 }
6634
6635 static void MapLevelEditorToolboxDrawingGadgets()
6636 {
6637   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6638 }
6639
6640 static void UnmapLevelEditorToolboxDrawingGadgets()
6641 {
6642   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6643 }
6644
6645 static void UnmapDrawingArea(int id)
6646 {
6647   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6648 }
6649
6650 static void UnmapLevelEditorWindowGadgets()
6651 {
6652   int i;
6653
6654   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6655     if (level_editor_gadget[i]->x < SX + SXSIZE)
6656       UnmapGadget(level_editor_gadget[i]);
6657 }
6658
6659 void UnmapLevelEditorGadgets()
6660 {
6661   int i;
6662
6663   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6664     UnmapGadget(level_editor_gadget[i]);
6665 }
6666
6667 static void ResetUndoBuffer()
6668 {
6669   undo_buffer_position = -1;
6670   undo_buffer_steps = -1;
6671   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6672
6673   level.changed = FALSE;
6674 }
6675
6676 static void DrawEditModeWindow()
6677 {
6678   ModifyEditorElementList();
6679   RedrawDrawingElements();
6680
6681   if (edit_mode == ED_MODE_INFO)
6682     DrawLevelInfoWindow();
6683   else if (edit_mode == ED_MODE_PROPERTIES)
6684     DrawPropertiesWindow();
6685   else  /* edit_mode == ED_MODE_DRAWING */
6686     DrawDrawingWindow();
6687 }
6688
6689 static boolean LevelChanged()
6690 {
6691   boolean field_changed = FALSE;
6692   int x, y;
6693
6694 #if 1
6695   /* changed read-only levels can now be saved in personal level set */
6696 #else
6697   if (leveldir_current->readonly)
6698     return FALSE;
6699 #endif
6700
6701   for (y = 0; y < lev_fieldy; y++)
6702     for (x = 0; x < lev_fieldx; x++)
6703       if (Feld[x][y] != level.field[x][y])
6704         field_changed = TRUE;
6705
6706   return (level.changed || field_changed);
6707 }
6708
6709 static boolean PrepareSavingIntoPersonalLevelSet()
6710 {
6711   static LevelDirTree *last_copied_leveldir = NULL;
6712   static LevelDirTree *last_written_leveldir = NULL;
6713   static int last_copied_level_nr = -1;
6714   static int last_written_level_nr = -1;
6715   LevelDirTree *leveldir_former = leveldir_current;
6716   int level_nr_former = level_nr;
6717   int new_level_nr;
6718
6719   // remember last mod/save so that for current session, we write
6720   // back to the same personal copy, asking only about overwrite.
6721   if (leveldir_current == last_copied_leveldir &&
6722       level_nr == last_copied_level_nr)
6723   {
6724     // "cd" to personal level set dir (as used when writing last copy)
6725     leveldir_current = last_written_leveldir;
6726     level_nr = last_written_level_nr;
6727
6728     return TRUE;
6729   }
6730
6731   if (!Request("This level is read only ! "
6732                "Save into personal level set ?", REQ_ASK))
6733     return FALSE;
6734
6735   // "cd" to personal level set dir (for writing copy the first time)
6736   leveldir_current =
6737     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6738
6739   // find unused level number
6740   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6741   {
6742     static char *level_filename = NULL;
6743
6744     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6745
6746     if (!fileExists(level_filename))
6747       break;
6748   }
6749
6750   last_copied_leveldir = leveldir_former;
6751   last_copied_level_nr = level_nr_former;
6752
6753   last_written_leveldir = leveldir_current;
6754   last_written_level_nr = level_nr = new_level_nr;
6755
6756   return TRUE;
6757 }
6758
6759 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6760 {
6761   static char *filename_levelinfo = NULL, *mod_name = NULL;
6762   FILE *file;
6763
6764   // annotate this copy-and-mod in personal levelinfo.conf
6765   setString(&filename_levelinfo,
6766             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6767
6768   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6769   {
6770     fprintf(file, "\n");
6771     fprintf(file, "# level %d was modified from:\n", level_nr);
6772     fprintf(file, "# - previous level set name:    %s\n",
6773             former_name);
6774     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6775             level.file_info.nr, level.name);
6776     fprintf(file, "# - previous author:            %s\n",
6777             level.author);
6778     fprintf(file, "# - previous save date:         ");
6779
6780     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6781     {
6782       fprintf(file, "%04d-%02d-%02d\n",
6783               level.creation_date.year,
6784               level.creation_date.month,
6785               level.creation_date.day);
6786     }
6787     else
6788     {
6789       fprintf(file, "not recorded\n");
6790     }
6791
6792     fclose(file);
6793   }
6794
6795   if (level_nr > leveldir_current->last_level)
6796   {
6797     static char *temp_levelinfo = NULL;
6798     FILE *temp_file = NULL;
6799     char line[MAX_LINE_LEN];
6800
6801     setString(&temp_levelinfo,
6802               getPath2(getCurrentLevelDir(),
6803                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6804
6805     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6806         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6807     {
6808       while (fgets(line, MAX_LINE_LEN, file))
6809       {
6810         if (!strPrefix(line, "levels:"))
6811           fputs(line, temp_file);
6812         else
6813           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6814       }
6815     }
6816
6817     if (temp_file)
6818       fclose(temp_file);
6819
6820     if (file)
6821       fclose(file);
6822
6823     // needs error handling; also, ok on dos/win?
6824     unlink(filename_levelinfo);
6825     rename(temp_levelinfo, filename_levelinfo);
6826   }
6827
6828   // else: allow the save even if annotation failed
6829
6830   // now... spray graffiti on the old level vital statistics
6831   // user can change these; just trying to set a good baseline
6832
6833   // don't truncate names for fear of making offensive or silly:
6834   // long-named original author only recorded in levelinfo.conf.
6835   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6836   if (!strEqual(level.author, leveldir_current->author))
6837   {
6838     setString(&mod_name, getStringCat3(leveldir_current->author,
6839                                        " after ", level.author));
6840
6841     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6842       setString(&mod_name,
6843                 getStringCat2(leveldir_current->author, " (ed.)"));
6844
6845     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6846       setString(&mod_name, leveldir_current->author);
6847
6848     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6849
6850     // less worried about truncation here
6851     setString(&mod_name, getStringCat2("Mod: ", level.name));
6852     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6853   }
6854 }
6855
6856 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6857                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6858 {
6859   int x, y;
6860
6861   for (x = 0; x < lev_fieldx; x++)
6862     for (y = 0; y < lev_fieldy; y++)
6863       dst[x][y] = src[x][y];
6864 }
6865
6866 static int setSelectboxValue(int selectbox_id, int new_value)
6867 {
6868   int new_index_value = 0;
6869   int i;
6870
6871   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6872     if (selectbox_info[selectbox_id].options[i].value == new_value)
6873       new_index_value = i;
6874
6875   *selectbox_info[selectbox_id].value =
6876     selectbox_info[selectbox_id].options[new_index_value].value;
6877
6878   return new_index_value;
6879 }
6880
6881 static void setSelectboxSpecialActionVariablesIfNeeded()
6882 {
6883   int i;
6884
6885   /* change action mode and arg variables according to action type variable */
6886   for (i = 0; action_arg_options[i].value != -1; i++)
6887   {
6888     if (action_arg_options[i].value == custom_element_change.action_type)
6889     {
6890       int mode = action_arg_options[i].mode;
6891
6892       /* only change if corresponding selectbox has changed */
6893       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6894           action_arg_modes[mode])
6895         custom_element_change.action_mode = -1;
6896
6897       /* only change if corresponding selectbox has changed */
6898       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6899           action_arg_options[i].options)
6900         custom_element_change.action_arg = -1;
6901
6902       break;
6903     }
6904   }
6905 }
6906
6907 static void setSelectboxSpecialActionOptions()
6908 {
6909   int i;
6910
6911   /* change action mode and arg selectbox according to action type selectbox */
6912   for (i = 0; action_arg_options[i].value != -1; i++)
6913   {
6914     if (action_arg_options[i].value == custom_element_change.action_type)
6915     {
6916       int mode = action_arg_options[i].mode;
6917
6918       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6919                                    action_arg_modes[mode]);
6920       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6921                                  custom_element_change.action_mode);
6922
6923       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6924                                    action_arg_options[i].options);
6925       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6926                                  custom_element_change.action_arg);
6927       break;
6928     }
6929   }
6930 }
6931
6932 static void copy_custom_element_settings(int element_from, int element_to)
6933 {
6934   struct ElementInfo *ei_from = &element_info[element_from];
6935   struct ElementInfo *ei_to = &element_info[element_to];
6936
6937   copyElementInfo(ei_from, ei_to);
6938 }
6939
6940 static void replace_custom_element_in_settings(int element_from,
6941                                                int element_to)
6942 {
6943   int i, j, x, y;
6944
6945   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6946   {
6947     struct ElementInfo *ei = &element_info[i];
6948
6949     for (y = 0; y < 3; y++)
6950       for (x = 0; x < 3; x++)
6951         if (ei->content.e[x][y] == element_from)
6952           ei->content.e[x][y] = element_to;
6953
6954     for (j = 0; j < ei->num_change_pages; j++)
6955     {
6956       struct ElementChangeInfo *change = &ei->change_page[j];
6957
6958       if (change->target_element == element_from)
6959         change->target_element = element_to;
6960
6961       if (change->initial_trigger_element == element_from)
6962         change->initial_trigger_element = element_to;
6963
6964       if (change->action_element == element_from)
6965         change->action_element = element_to;
6966
6967       for (y = 0; y < 3; y++)
6968         for (x = 0; x < 3; x++)
6969           if (change->target_content.e[x][y] == element_from)
6970             change->target_content.e[x][y] = element_to;
6971     }
6972
6973     if (ei->group != NULL)                              /* group or internal */
6974       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6975         if (ei->group->element[j] == element_from)
6976           ei->group->element[j] = element_to;
6977   }
6978 }
6979
6980 static void replace_custom_element_in_playfield(int element_from,
6981                                                 int element_to)
6982 {
6983   int x, y;
6984
6985   for (x = 0; x < lev_fieldx; x++)
6986     for (y = 0; y < lev_fieldy; y++)
6987       if (Feld[x][y] == element_from)
6988         Feld[x][y] = element_to;
6989 }
6990
6991 static boolean CopyCustomElement(int element_old, int element_new,
6992                                  int copy_mode)
6993 {
6994   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6995   {
6996     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6997                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6998     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6999   }
7000   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7001   {
7002     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7003                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7004     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7005
7006     level.changed = TRUE;
7007   }
7008   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7009   {
7010     Request("Please choose custom element !", REQ_CONFIRM);
7011
7012     return FALSE;
7013   }
7014   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7015   {
7016     Request("Please choose group element !", REQ_CONFIRM);
7017
7018     return FALSE;
7019   }
7020   else
7021   {
7022     level.changed = TRUE;
7023   }
7024
7025   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7026   {
7027     copy_custom_element_settings(element_new, element_old);
7028   }
7029   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7030   {
7031     copy_custom_element_settings(element_old, element_new);
7032   }
7033   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7034   {
7035     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7036     copy_custom_element_settings(element_new, element_old);
7037     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7038
7039     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7040     replace_custom_element_in_settings(element_new, element_old);
7041     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7042
7043     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7044     replace_custom_element_in_playfield(element_new, element_old);
7045     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7046   }
7047
7048   UpdateCustomElementGraphicGadgets();
7049   DrawPropertiesWindow();
7050
7051   return TRUE;
7052 }
7053
7054 static void CopyCustomElementPropertiesToEditor(int element)
7055 {
7056   int i;
7057   int current_change_page = element_info[element].current_change_page;
7058
7059   /* dynamically (re)build selectbox for selecting change page */
7060   for (i = 0; i < element_info[element].num_change_pages; i++)
7061   {
7062     sprintf(options_change_page_strings[i], "%d", i + 1);
7063
7064     options_change_page[i].value = i;
7065     options_change_page[i].text = options_change_page_strings[i];
7066   }
7067
7068   options_change_page[i].value = -1;
7069   options_change_page[i].text = NULL;
7070
7071   /* needed here to initialize combined element properties */
7072   InitElementPropertiesEngine(level.game_version);
7073
7074   element_info[element].change =
7075     &element_info[element].change_page[current_change_page];
7076
7077   custom_element = element_info[element];
7078   custom_element_change = *element_info[element].change;
7079
7080   /* needed to initially set selectbox options for special action options */
7081   setSelectboxSpecialActionOptions();
7082
7083   /* needed to initially set selectbox value variables to reliable defaults */
7084   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7085     setSelectboxValue(i, *selectbox_info[i].value);
7086
7087   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7088     custom_element_properties[i] = HAS_PROPERTY(element, i);
7089
7090   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7091     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7092
7093   /* ---------- element settings: configure (custom elements) ------------- */
7094
7095   /* set accessible layer selectbox help value */
7096   custom_element.access_type =
7097     (IS_WALKABLE(element) ? EP_WALKABLE :
7098      IS_PASSABLE(element) ? EP_PASSABLE :
7099      custom_element.access_type);
7100   custom_element.access_layer =
7101     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7102      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7103      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7104      custom_element.access_layer);
7105   custom_element.access_protected =
7106     (IS_PROTECTED(element) ? 1 : 0);
7107   custom_element_properties[EP_ACCESSIBLE] =
7108     (IS_ACCESSIBLE_OVER(element) ||
7109      IS_ACCESSIBLE_INSIDE(element) ||
7110      IS_ACCESSIBLE_UNDER(element));
7111
7112   /* set walk-to-object action selectbox help value */
7113   custom_element.walk_to_action =
7114     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7115      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7116      IS_DROPPABLE(element) ? EP_DROPPABLE :
7117      IS_THROWABLE(element) ? EP_THROWABLE :
7118      IS_PUSHABLE(element) ? EP_PUSHABLE :
7119      custom_element.walk_to_action);
7120   custom_element_properties[EP_WALK_TO_OBJECT] =
7121     (IS_DIGGABLE(element) ||
7122      IS_COLLECTIBLE_ONLY(element) ||
7123      IS_DROPPABLE(element) ||
7124      IS_THROWABLE(element) ||
7125      IS_PUSHABLE(element));
7126
7127   /* set smash targets selectbox help value */
7128   custom_element.smash_targets =
7129     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7130      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7131      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7132      custom_element.smash_targets);
7133   custom_element_properties[EP_CAN_SMASH] =
7134     (CAN_SMASH_EVERYTHING(element) ||
7135      CAN_SMASH_ENEMIES(element) ||
7136      CAN_SMASH_PLAYER(element));
7137
7138   /* set deadliness selectbox help value */
7139   custom_element.deadliness =
7140     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7141      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7142      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7143      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7144      custom_element.deadliness);
7145   custom_element_properties[EP_DEADLY] =
7146     (DONT_TOUCH(element) ||
7147      DONT_GET_HIT_BY(element) ||
7148      DONT_COLLIDE_WITH(element) ||
7149      DONT_RUN_INTO(element));
7150
7151   /* ---------- element settings: advanced (custom elements) --------------- */
7152
7153   /* set "change by direct action" selectbox help value */
7154   custom_element_change.direct_action =
7155     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7156      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7157      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7158      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7159      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7160      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7161      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7162      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7163      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7164      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7165      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7166      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7167      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7168      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7169      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7170      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7171      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7172      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7173      custom_element_change.direct_action);
7174
7175   /* set "change by other element action" selectbox help value */
7176   custom_element_change.other_action =
7177     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7178      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7179      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7180      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7181      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7182      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7183      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7184      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7185      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7186      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7187      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7188      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7189      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7190      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7191      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7192      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7193      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7194      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7195      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7196      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7197      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7198      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7199      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7200      custom_element_change.other_action);
7201 }
7202
7203 static void CopyGroupElementPropertiesToEditor(int element)
7204 {
7205   group_element_info = *element_info[element].group;
7206   custom_element = element_info[element];       /* needed for description */
7207 }
7208
7209 static void CopyClassicElementPropertiesToEditor(int element)
7210 {
7211   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7212     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7213       getMoveIntoAcidProperty(&level, element);
7214
7215   if (MAYBE_DONT_COLLIDE_WITH(element))
7216     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7217       getDontCollideWithProperty(&level, element);
7218 }
7219
7220 static void CopyElementPropertiesToEditor(int element)
7221 {
7222   if (IS_CUSTOM_ELEMENT(element))
7223     CopyCustomElementPropertiesToEditor(element);
7224   else if (IS_GROUP_ELEMENT(element))
7225     CopyGroupElementPropertiesToEditor(element);
7226   else
7227     CopyClassicElementPropertiesToEditor(element);
7228 }
7229
7230 static void CopyCustomElementPropertiesToGame(int element)
7231 {
7232   int i;
7233   int access_type_and_layer;
7234
7235   /* mark that this custom element has been modified */
7236   custom_element.modified_settings = TRUE;
7237   level.changed = TRUE;
7238
7239   if (level.use_custom_template)
7240   {
7241     if (Request("Copy and modify level template ?", REQ_ASK))
7242     {
7243       level.use_custom_template = FALSE;
7244       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7245                    GDI_CHECKED, FALSE, GDI_END);
7246     }
7247     else
7248     {
7249       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7250
7251       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7252     }
7253   }
7254
7255   element_info[element] = custom_element;
7256   *element_info[element].change = custom_element_change;
7257
7258   /* ---------- element settings: configure (custom elements) ------------- */
7259
7260   /* set accessible property from checkbox and selectbox */
7261   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7262   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7263   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7264   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7265   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7266   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7267   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7268                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7269                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7270   custom_element_properties[access_type_and_layer] =
7271     custom_element_properties[EP_ACCESSIBLE];
7272   custom_element_properties[EP_PROTECTED] =
7273     (custom_element.access_protected != 0 &&
7274      custom_element_properties[EP_ACCESSIBLE]);
7275
7276   /* set walk-to-object property from checkbox and selectbox */
7277   custom_element_properties[EP_DIGGABLE] = FALSE;
7278   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7279   custom_element_properties[EP_DROPPABLE] = FALSE;
7280   custom_element_properties[EP_THROWABLE] = FALSE;
7281   custom_element_properties[EP_PUSHABLE] = FALSE;
7282   custom_element_properties[custom_element.walk_to_action] =
7283     custom_element_properties[EP_WALK_TO_OBJECT];
7284
7285   /* set smash property from checkbox and selectbox */
7286   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7287   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7288   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7289   custom_element_properties[custom_element.smash_targets] =
7290     custom_element_properties[EP_CAN_SMASH];
7291
7292   /* set deadliness property from checkbox and selectbox */
7293   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7294   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7295   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7296   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7297   custom_element_properties[custom_element.deadliness] =
7298     custom_element_properties[EP_DEADLY];
7299
7300   /* ---------- element settings: advanced (custom elements) --------------- */
7301
7302   /* set player change event from checkbox and selectbox */
7303   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7304   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7305   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7306   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7307   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7308   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7309   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7310   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7311   custom_element_change_events[CE_SWITCHED] = FALSE;
7312   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7313   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7314   custom_element_change_events[CE_BLOCKED] = FALSE;
7315   custom_element_change_events[CE_IMPACT] = FALSE;
7316   custom_element_change_events[CE_SMASHED] = FALSE;
7317   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7318   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7319   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7320   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7321   custom_element_change_events[custom_element_change.direct_action] =
7322     custom_element_change_events[CE_BY_DIRECT_ACTION];
7323
7324   /* set other element action change event from checkbox and selectbox */
7325   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7326   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7327   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7328   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7329   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7330   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7331   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7332   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7333   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7334   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7335   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7336   custom_element_change_events[CE_HITTING_X] = FALSE;
7337   custom_element_change_events[CE_DIGGING_X] = FALSE;
7338   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7339   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7340   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7341   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7342   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7343   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7344   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7345   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7346   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7347   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7348   custom_element_change_events[custom_element_change.other_action] =
7349     custom_element_change_events[CE_BY_OTHER_ACTION];
7350
7351   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7352     SET_PROPERTY(element, i, custom_element_properties[i]);
7353
7354   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7355     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7356
7357   /* copy change events also to special level editor variable */
7358   custom_element = element_info[element];
7359   custom_element_change = *element_info[element].change;
7360 }
7361
7362 static void CopyGroupElementPropertiesToGame(int element)
7363 {
7364   element_info[element] = custom_element;
7365   *element_info[element].group = group_element_info;
7366
7367   /* mark that this group element has been modified */
7368   element_info[element].modified_settings = TRUE;
7369   level.changed = TRUE;
7370 }
7371
7372 static void CopyClassicElementPropertiesToGame(int element)
7373 {
7374   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7375     setMoveIntoAcidProperty(&level, element,
7376                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7377
7378   if (MAYBE_DONT_COLLIDE_WITH(element))
7379     setDontCollideWithProperty(&level, element,
7380                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7381 }
7382
7383 static void CopyElementPropertiesToGame(int element)
7384 {
7385   if (IS_CUSTOM_ELEMENT(element))
7386     CopyCustomElementPropertiesToGame(element);
7387   else if (IS_GROUP_ELEMENT(element))
7388     CopyGroupElementPropertiesToGame(element);
7389   else
7390     CopyClassicElementPropertiesToGame(element);
7391 }
7392
7393 void CheckElementDescriptions()
7394 {
7395   int i;
7396
7397   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7398     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7399       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7400 }
7401
7402 void DrawLevelEd()
7403 {
7404   StopAnimation();
7405
7406   CloseDoor(DOOR_CLOSE_ALL);
7407
7408 #if 1
7409   FadeOut(REDRAW_FIELD);
7410 #endif
7411
7412   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
7413
7414 #if DEBUG
7415   CheckElementDescriptions();
7416 #endif
7417
7418   if (level_editor_test_game)
7419   {
7420     CopyPlayfield(level.field, Feld);
7421     CopyPlayfield(FieldBackup, level.field);
7422
7423     level_editor_test_game = FALSE;
7424   }
7425   else
7426   {
7427     edit_mode = ED_MODE_DRAWING;
7428     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7429     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7430
7431     ResetUndoBuffer();
7432
7433     level_xpos = -1;
7434     level_ypos = -1;
7435   }
7436
7437   /* copy default editor door content to main double buffer */
7438   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7439              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
7440
7441   /* draw bigger door */
7442   DrawSpecialEditorDoor();
7443
7444   /* draw new control window */
7445   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7446              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7447
7448   redraw_mask |= REDRAW_ALL;
7449
7450 #if 1
7451   FreeLevelEditorGadgets();
7452   CreateLevelEditorGadgets();
7453 #endif
7454
7455   ReinitializeElementList();            /* update dynamic level element list */
7456   ReinitializeElementListButtons();     /* custom element may look different */
7457
7458   InitElementPropertiesGfxElement();
7459
7460 #if 1
7461   UnmapAllGadgets();
7462 #else
7463   UnmapTapeButtons();
7464 #endif
7465   MapControlButtons();
7466
7467 #if 0
7468   FadeOut(REDRAW_FIELD);
7469 #endif
7470
7471   DrawEditModeWindow();
7472
7473 #if 1
7474   FadeIn(REDRAW_FIELD);
7475 #endif
7476
7477   /* copy actual editor door content to door double buffer for OpenDoor() */
7478   BlitBitmap(drawto, bitmap_db_door,
7479              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7480
7481 #if 1
7482   /* draw new control window (with border) to window */
7483   redraw_mask |= REDRAW_ALL;
7484   BackToFront();
7485 #endif
7486
7487   OpenDoor(DOOR_OPEN_1);
7488 }
7489
7490 static void AdjustDrawingAreaGadgets()
7491 {
7492   int ed_xsize = lev_fieldx + 2;
7493   int ed_ysize = lev_fieldy + 2;
7494   int max_ed_fieldx = MAX_ED_FIELDX;
7495   int max_ed_fieldy = MAX_ED_FIELDY;
7496   boolean horizontal_scrollbar_needed;
7497   boolean vertical_scrollbar_needed;
7498   int x, y, width, height;
7499   int xoffset, yoffset;
7500
7501   /* check if we need any scrollbars */
7502   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7503   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7504
7505   /* check if we have a smaller editor field because of scrollbars */
7506   if (horizontal_scrollbar_needed)
7507     max_ed_fieldy = MAX_ED_FIELDY - 1;
7508   if (vertical_scrollbar_needed)
7509     max_ed_fieldx = MAX_ED_FIELDX - 1;
7510
7511   /* check again if we now need more scrollbars because of less space */
7512   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7513   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7514
7515   /* check if editor field gets even smaller after adding new scrollbars */
7516   if (horizontal_scrollbar_needed)
7517     max_ed_fieldy = MAX_ED_FIELDY - 1;
7518   if (vertical_scrollbar_needed)
7519     max_ed_fieldx = MAX_ED_FIELDX - 1;
7520
7521   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7522   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7523
7524   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7525                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7526                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7527                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7528                GDI_END);
7529
7530   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7531   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7532
7533   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7534   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7535
7536   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7537   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7538
7539   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7540   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7541
7542   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7543                GDI_WIDTH, width,
7544                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7545                GDI_END);
7546   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7547                GDI_HEIGHT, height,
7548                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7549                GDI_END);
7550 }
7551
7552 static void AdjustLevelScrollPosition()
7553 {
7554   if (level_xpos < -1)
7555     level_xpos = -1;
7556   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7557     level_xpos = lev_fieldx - ed_fieldx + 1;
7558   if (lev_fieldx < ed_fieldx - 2)
7559     level_xpos = -1;
7560
7561   if (level_ypos < -1)
7562     level_ypos = -1;
7563   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7564     level_ypos = lev_fieldy - ed_fieldy + 1;
7565   if (lev_fieldy < ed_fieldy - 2)
7566     level_ypos = -1;
7567 }
7568
7569 static void AdjustEditorScrollbar(int id)
7570 {
7571   struct GadgetInfo *gi = level_editor_gadget[id];
7572   int items_max, items_visible, item_position;
7573
7574   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7575   {
7576     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7577     items_visible = ed_fieldx;
7578     item_position = level_xpos + 1;
7579   }
7580   else
7581   {
7582     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7583     items_visible = ed_fieldy;
7584     item_position = level_ypos + 1;
7585   }
7586
7587   if (item_position > items_max - items_visible)
7588     item_position = items_max - items_visible;
7589
7590   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7591                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7592 }
7593
7594 static void AdjustElementListScrollbar()
7595 {
7596   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7597   int items_max, items_visible, item_position;
7598
7599   /* correct position of element list scrollbar */
7600   if (element_shift < 0)
7601     element_shift = 0;
7602   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7603     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7604
7605   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7606   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7607   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7608
7609   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7610                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7611                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7612 }
7613
7614 static void ModifyEditorCounterValue(int counter_id, int new_value)
7615 {
7616   int *counter_value = counterbutton_info[counter_id].value;
7617   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7618   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7619
7620   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7621
7622   if (counter_value != NULL)
7623     *counter_value = gi->textinput.number_value;
7624 }
7625
7626 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7627 {
7628   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7629   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7630
7631   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7632
7633   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7634       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7635   {
7636     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7637     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7638
7639     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7640     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7641   }
7642 }
7643
7644 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7645 {
7646   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7647   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7648   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7649
7650   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7651 }
7652
7653 static void ModifyEditorSelectboxOptions(int selectbox_id,
7654                                          struct ValueTextInfo *options)
7655 {
7656   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7657   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7658
7659   selectbox_info[selectbox_id].options = options;
7660
7661   /* set index to zero -- list may be shorter now (correct later, if needed) */
7662   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7663                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7664 }
7665
7666 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7667 {
7668   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7669   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7670
7671   drawingarea_info[drawingarea_id].area_xsize = xsize;
7672   drawingarea_info[drawingarea_id].area_ysize = ysize;
7673
7674   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7675 }
7676
7677 static void ModifyEditorElementList()
7678 {
7679   int i;
7680
7681   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7682   {
7683     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7684     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7685     struct GadgetDesign *gd = &gi->deco.design;
7686     int element = editor_elements[element_shift + i];
7687
7688     UnmapGadget(gi);
7689
7690     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7691     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7692
7693     MapGadget(gi);
7694   }
7695 }
7696
7697 static void PickDrawingElement(int button, int element)
7698 {
7699   if (button < 1 || button > 3)
7700     return;
7701
7702   if (button == 1)
7703   {
7704     new_element1 = element;
7705     DrawMiniGraphicExt(drawto,
7706                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7707                        el2edimg(new_element1));
7708   }
7709   else if (button == 2)
7710   {
7711     new_element2 = element;
7712     DrawMiniGraphicExt(drawto,
7713                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7714                        el2edimg(new_element2));
7715   }
7716   else
7717   {
7718     new_element3 = element;
7719     DrawMiniGraphicExt(drawto,
7720                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7721                        el2edimg(new_element3));
7722   }
7723
7724   redraw_mask |= REDRAW_DOOR_1;
7725 }
7726
7727 static void RedrawDrawingElements()
7728 {
7729   PickDrawingElement(1, new_element1);
7730   PickDrawingElement(2, new_element2);
7731   PickDrawingElement(3, new_element3);
7732 }
7733
7734 static void DrawDrawingWindow()
7735 {
7736   stick_element_properties_window = FALSE;
7737
7738   SetMainBackgroundImage(IMG_UNDEFINED);
7739   ClearField();
7740
7741   UnmapLevelEditorWindowGadgets();
7742   UnmapLevelEditorToolboxCustomGadgets();
7743
7744   AdjustDrawingAreaGadgets();
7745   AdjustLevelScrollPosition();
7746   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7747   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7748
7749   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7750
7751   MapMainDrawingArea();
7752   MapLevelEditorToolboxDrawingGadgets();
7753 }
7754
7755 static int getTabulatorBarWidth()
7756 {
7757   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7758   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7759
7760   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7761 }
7762
7763 static void DrawLevelInfoTabulatorGadgets()
7764 {
7765   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7766   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7767   int gd_x = gd->x + gd_gi1->border.width / 2;
7768   int gd_y = gd->y + gd_gi1->height - 1;
7769   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7770   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7771   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7772 #if 1
7773 #else
7774   int max_tabs = 2;
7775 #endif
7776   int i;
7777
7778   for (i = id_first; i <= id_last; i++)
7779   {
7780     int gadget_id = textbutton_info[i].gadget_id;
7781     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7782     boolean active = (i != edit_mode_levelinfo);
7783
7784     /* draw background line below tabulator button */
7785     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7786
7787     /* draw solid line below inactive tabulator buttons */
7788     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7789       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7790
7791     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7792     MapTextbuttonGadget(i);
7793   }
7794
7795 #if 1
7796   /* draw little border line below tabulator buttons */
7797   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7798     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7799                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7800                   tab_color);
7801 #else
7802   /* draw little border line below tabulator buttons */
7803   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7804     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7805                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7806                   ED_GADGET_DISTANCE, tab_color);
7807 #endif
7808 }
7809
7810 static void DrawPropertiesTabulatorGadgets()
7811 {
7812   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7813   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7814   int gd_x = gd->x + gd_gi1->border.width / 2;
7815   int gd_y = gd->y + gd_gi1->height - 1;
7816   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7817   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7818   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7819 #if 1
7820 #else
7821   int max_tabs = 4;
7822 #endif
7823   int i;
7824
7825   /* draw two config tabulators for player elements */
7826   if (ELEM_IS_PLAYER(properties_element))
7827     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7828
7829   /* draw two config and one "change" tabulator for custom elements */
7830   if (IS_CUSTOM_ELEMENT(properties_element))
7831     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7832
7833   for (i = id_first; i <= id_last; i++)
7834   {
7835     int gadget_id = textbutton_info[i].gadget_id;
7836     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7837     boolean active = (i != edit_mode_properties);
7838
7839     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7840     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7841         (ELEM_IS_PLAYER(properties_element) ||
7842          IS_CUSTOM_ELEMENT(properties_element)))
7843       continue;
7844
7845     /* draw background line below tabulator button */
7846     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7847
7848     /* draw solid line below inactive tabulator buttons */
7849     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7850       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7851
7852     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7853     MapTextbuttonGadget(i);
7854   }
7855
7856 #if 1
7857   /* draw little border line below tabulator buttons */
7858   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7859     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7860                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7861                   tab_color);
7862 #else
7863   /* draw little border line below tabulator buttons */
7864   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7865     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7866                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7867                   ED_GADGET_DISTANCE, tab_color);
7868 #endif
7869 }
7870
7871 static void DrawLevelInfoLevel()
7872 {
7873   int i;
7874
7875   /* draw counter gadgets */
7876   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7877     MapCounterButtons(i);
7878
7879   /* draw selectbox gadgets */
7880   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7881     MapSelectboxGadget(i);
7882
7883   /* draw text input gadgets */
7884   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7885     MapTextInputGadget(i);
7886 }
7887
7888 static void DrawLevelInfoEditor()
7889 {
7890   int i;
7891
7892   /* draw counter gadgets */
7893   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7894     MapCounterButtons(i);
7895
7896   /* draw checkbutton gadgets */
7897   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7898     MapCheckbuttonGadget(i);
7899
7900   /* draw radiobutton gadgets */
7901   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7902     MapRadiobuttonGadget(i);
7903
7904   /* draw drawing area */
7905   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7906 }
7907
7908 static void DrawLevelInfoWindow()
7909 {
7910   stick_element_properties_window = FALSE;
7911
7912   UnmapLevelEditorWindowGadgets();
7913
7914   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7915   ClearField();
7916
7917 #if 1
7918 #if 1
7919   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7920 #else
7921   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Level Settings");
7922   DrawTextSCentered(ED_SETTINGS2_YPOS, FONT_TITLE_1, "Editor Settings");
7923 #endif
7924 #else
7925   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7926            "Level Settings", FONT_TITLE_1);
7927   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
7928            "Editor Settings", FONT_TITLE_1);
7929 #endif
7930
7931   DrawLevelInfoTabulatorGadgets();
7932
7933   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7934     DrawLevelInfoLevel();
7935   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7936     DrawLevelInfoEditor();
7937 }
7938
7939 static void DrawCustomContentArea()
7940 {
7941   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7942   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7943   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7944   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7945   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7946   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7947
7948   /* add distance for potential left text (without drawing area border) */
7949   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7950
7951   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7952
7953   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7954 }
7955
7956 static void DrawCustomChangeContentArea()
7957 {
7958   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7959   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7960   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7961   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7962   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7963   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7964
7965   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7966
7967   MapDrawingArea(id);
7968 }
7969
7970 static void DrawYamYamContentAreas()
7971 {
7972   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7973   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7974   int i;
7975
7976   /* display counter to choose number of element content areas */
7977   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7978
7979   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7980   {
7981     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7982
7983     if (i < level.num_yamyam_contents)
7984     {
7985       MapDrawingArea(id);
7986     }
7987     else
7988     {
7989       int font_height = getFontHeight(FONT_TEXT_1);
7990
7991       UnmapDrawingArea(id);
7992
7993       /* delete content areas in case of reducing number of them */
7994       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7995                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7996                      4 * MINI_TILEX,
7997                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7998     }
7999   }
8000
8001   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
8002   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
8003   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
8004 }
8005
8006 static void DrawMagicBallContentAreas()
8007 {
8008   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8009   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8010   int i;
8011
8012   /* display counter to choose number of element content areas */
8013   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8014
8015   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8016   {
8017     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8018
8019     if (i < level.num_ball_contents)
8020     {
8021       MapDrawingArea(id);
8022     }
8023     else
8024     {
8025       int font_height = getFontHeight(FONT_TEXT_1);
8026
8027       UnmapDrawingArea(id);
8028
8029       /* delete content areas in case of reducing number of them */
8030       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8031                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8032                      4 * MINI_TILEX,
8033                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8034     }
8035   }
8036
8037   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
8038   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
8039   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
8040 }
8041
8042 static void DrawAndroidElementArea(int element)
8043 {
8044   int num_elements = level.num_android_clone_elements;
8045   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8046   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8047   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8048   int xsize = MAX_ANDROID_ELEMENTS;
8049   int ysize = 1;
8050
8051   /* display counter to choose number of element areas */
8052   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8053
8054   if (drawingarea_info[id].text_left != NULL)
8055     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8056
8057   UnmapDrawingArea(id);
8058
8059   ModifyEditorDrawingArea(id, num_elements, 1);
8060
8061   /* delete content areas in case of reducing number of them */
8062   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8063
8064   MapDrawingArea(id);
8065 }
8066
8067 static void DrawGroupElementArea(int element)
8068 {
8069   int num_elements = group_element_info.num_elements;
8070   int id = ED_DRAWING_ID_GROUP_CONTENT;
8071   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8072   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8073   int xsize = MAX_ELEMENTS_IN_GROUP;
8074   int ysize = 1;
8075
8076   if (drawingarea_info[id].text_left != NULL)
8077     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8078
8079   UnmapDrawingArea(id);
8080
8081   ModifyEditorDrawingArea(id, num_elements, 1);
8082
8083   /* delete content areas in case of reducing number of them */
8084   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8085
8086   MapDrawingArea(id);
8087 }
8088
8089 static void DrawPlayerInitialInventoryArea(int element)
8090 {
8091   int player_nr = GET_PLAYER_NR(element);
8092   int num_elements = level.initial_inventory_size[player_nr];
8093   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8094   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8095   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8096   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8097   int ysize = 1;
8098
8099   /* determine horizontal position to the right of specified gadget */
8100   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8101     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8102            ED_DRAWINGAREA_TEXT_DISTANCE);
8103
8104   /* determine horizontal offset for leading text */
8105   if (drawingarea_info[id].text_left != NULL)
8106     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8107
8108   UnmapDrawingArea(id);
8109
8110   ModifyEditorDrawingArea(id, num_elements, 1);
8111
8112   /* delete content areas in case of reducing number of them */
8113   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8114
8115   MapDrawingArea(id);
8116 }
8117
8118 static void DrawEnvelopeTextArea(int envelope_nr)
8119 {
8120   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8121   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8122
8123   UnmapGadget(gi);
8124   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8125
8126   if (envelope_nr != -1)
8127     textarea_info[id].value = level.envelope[envelope_nr].text;
8128
8129   ModifyGadget(gi, GDI_AREA_SIZE,
8130                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8131                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8132                GDI_END);
8133
8134   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8135 }
8136
8137 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8138 {
8139   int font_height = getFontHeight(font_nr);
8140   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8141   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8142   int sx = SX + pad_x;
8143   int sy = SY + pad_y;
8144   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8145
8146   if (start_line >= max_lines_per_screen)
8147     return FALSE;
8148
8149   DrawText(sx, sy + start_line * font_height, text, font_nr);
8150
8151   return TRUE;
8152 }
8153
8154 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8155 {
8156   int font_nr = FONT_TEXT_2;
8157   int font_width = getFontWidth(font_nr);
8158   int font_height = getFontHeight(font_nr);
8159   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8160   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8161   int sx = SX + pad_x;
8162   int sy = SY + pad_y + start_line * font_height;
8163   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8164   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8165
8166   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8167                       max_lines_per_screen, -1, TRUE, FALSE, FALSE);
8168 }
8169
8170 static void DrawPropertiesInfo()
8171 {
8172   static struct
8173   {
8174     int value;
8175     char *text;
8176   }
8177   properties[] =
8178   {
8179     /* configurable properties */
8180
8181     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8182     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8183     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8184     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8185     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8186     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8187     { EP_PROTECTED,             "- player is protected by it"           },
8188
8189     { EP_DIGGABLE,              "- can be digged away"                  },
8190     { EP_COLLECTIBLE,           "- can be collected"                    },
8191     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8192     { EP_THROWABLE,             "- can be thrown after collecting"      },
8193     { EP_PUSHABLE,              "- can be pushed"                       },
8194
8195     { EP_CAN_FALL,              "- can fall"                            },
8196     { EP_CAN_MOVE,              "- can move"                            },
8197
8198     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8199 #if 0
8200     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8201 #endif
8202     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8203
8204     { EP_SLIPPERY,              "- slippery for falling elements"       },
8205     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8206
8207     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8208     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8209     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8210     { EP_DONT_TOUCH,            "- deadly when touching"                },
8211
8212     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8213
8214     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8215     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8216     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8217
8218     { EP_CAN_CHANGE,            "- can change to other element"         },
8219
8220     /* pre-defined properties */
8221     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8222     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8223     { EP_SWITCHABLE,            "- can be switched"                     },
8224 #if 0
8225     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8226 #endif
8227
8228     { -1,                       NULL                                    }
8229   };
8230   char *filename = getElementDescriptionFilename(properties_element);
8231   char *percentage_text = "In this level:";
8232   char *properties_text = "Standard properties:";
8233   float percentage;
8234   int num_elements_in_level;
8235   int num_standard_properties = 0;
8236   int font1_nr = FONT_TEXT_1;
8237   int font2_nr = FONT_TEXT_2;
8238   int font1_width = getFontWidth(font1_nr);
8239   int font2_height = getFontHeight(font2_nr);
8240   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8241   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8242   int screen_line = 0;
8243   int i, x, y;
8244
8245   if (setup.editor.show_element_token)
8246   {
8247     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8248               "[%s]", element_info[properties_element].token_name);
8249     screen_line++;
8250   }
8251
8252   /* ----- print number of elements / percentage of this element in level */
8253
8254   num_elements_in_level = 0;
8255   for (y = 0; y < lev_fieldy; y++)
8256     for (x = 0; x < lev_fieldx; x++)
8257       if (Feld[x][y] == properties_element)
8258         num_elements_in_level++;
8259   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8260
8261   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8262             percentage_text);
8263   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8264             pad_y + screen_line++ * font2_height, font2_nr,
8265             "%d (%.2f%%)", num_elements_in_level, percentage);
8266
8267   screen_line++;
8268
8269   /* ----- print standard properties of this element */
8270
8271   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8272             properties_text);
8273
8274   for (i = 0; properties[i].value != -1; i++)
8275   {
8276     if (!HAS_PROPERTY(properties_element, properties[i].value))
8277       continue;
8278
8279     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8280               properties[i].text);
8281     num_standard_properties++;
8282   }
8283
8284   if (num_standard_properties == 0)
8285     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8286               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8287
8288   screen_line++;
8289
8290   /* ----- print special description of this element */
8291
8292   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8293   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8294     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8295 }
8296
8297 #define TEXT_COLLECTING         "Score for collecting"
8298 #define TEXT_SMASHING           "Score for smashing"
8299 #define TEXT_SLURPING           "Score for slurping robot"
8300 #define TEXT_CRACKING           "Score for cracking"
8301 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8302 #define TEXT_DURATION           "Duration when activated"
8303 #define TEXT_BALL_DELAY         "Element generation delay"
8304 #define TEXT_MOVE_SPEED         "Speed of android moving"
8305 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8306 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8307 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8308 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8309 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8310 #define TEXT_TIME_BONUS         "Extra time to solve level"
8311
8312 static struct
8313 {
8314   int element;
8315   int *value;
8316   char *text;
8317 } elements_with_counter[] =
8318 {
8319   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8320   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8321   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8322   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8323   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8324   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8325   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8326   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8327   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8328   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8329   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8330   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8331   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8332   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8333   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8334   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8335   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8336   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8337   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8338   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8339   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8340   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8341   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8342   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8343   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8344   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8345   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8346   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8347   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8348   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8349   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8350   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8351   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8352   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8353   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8354   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8355   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8356   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8357   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8358   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8359   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8360   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8361   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8362   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8363   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8364   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8365   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8366   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8367   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8368   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8369   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8370   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8371   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8372   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8373   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8374   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8375   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8376   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8377   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8378   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8379   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8380   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8381   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8382   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8383   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8384   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8385   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8386   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8387   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8388   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8389   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8390   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8391   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8392   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8393
8394   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8395   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8396   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8397   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8398   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8399   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8400   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8401   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8402   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8403   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8404   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8405   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8406   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8407   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8408   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8409   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8410
8411   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8412   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8413   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8414   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8415   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8416   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8417   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8418   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8419
8420   { -1,                 NULL,                           NULL            }
8421 };
8422
8423 static boolean checkPropertiesConfig(int element)
8424 {
8425   int i;
8426
8427   if (IS_GEM(element) ||
8428       IS_CUSTOM_ELEMENT(element) ||
8429       IS_GROUP_ELEMENT(element) ||
8430       IS_ENVELOPE(element) ||
8431       ELEM_IS_PLAYER(element) ||
8432       HAS_EDITOR_CONTENT(element) ||
8433       CAN_GROW(element) ||
8434       COULD_MOVE_INTO_ACID(element) ||
8435       MAYBE_DONT_COLLIDE_WITH(element) ||
8436       element == EL_SOKOBAN_OBJECT ||
8437       element == EL_SOKOBAN_FIELD_EMPTY ||
8438       element == EL_SOKOBAN_FIELD_FULL)
8439     return TRUE;
8440   else
8441     for (i = 0; elements_with_counter[i].element != -1; i++)
8442       if (elements_with_counter[i].element == element)
8443         return TRUE;
8444
8445   return FALSE;
8446 }
8447
8448 static void DrawPropertiesConfig()
8449 {
8450   int max_num_element_counters = 4;
8451   int num_element_counters = 0;
8452   int i;
8453
8454   if (!checkPropertiesConfig(properties_element))
8455   {
8456     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8457
8458     return;
8459   }
8460
8461   /* check if there are elements where a value can be chosen for */
8462   for (i = 0; elements_with_counter[i].element != -1; i++)
8463   {
8464     if (elements_with_counter[i].element == properties_element)
8465     {
8466       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8467
8468       counterbutton_info[counter_id].y =
8469         ED_ELEMENT_SETTINGS_YPOS(
8470                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8471                 (CAN_GROW(properties_element)                ? 1 : 0) +
8472                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8473                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8474                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8475                 num_element_counters);
8476
8477       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8478       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8479
8480       if (properties_element == EL_GAME_OF_LIFE ||
8481           properties_element == EL_BIOMAZE)
8482       {
8483         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8484         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8485       }
8486       else
8487       {
8488         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8489         counterbutton_info[counter_id].min_value = MIN_SCORE;
8490         counterbutton_info[counter_id].max_value = MAX_SCORE;
8491       }
8492
8493       MapCounterButtons(counter_id);
8494
8495       num_element_counters++;
8496       if (num_element_counters >= max_num_element_counters)
8497         break;
8498     }
8499   }
8500
8501   if (HAS_EDITOR_CONTENT(properties_element))
8502   {
8503     /* draw stickybutton gadget */
8504     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8505
8506     if (IS_AMOEBOID(properties_element))
8507       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8508     else if (properties_element == EL_YAMYAM ||
8509              properties_element == EL_YAMYAM_LEFT ||
8510              properties_element == EL_YAMYAM_RIGHT ||
8511              properties_element == EL_YAMYAM_UP ||
8512              properties_element == EL_YAMYAM_DOWN)
8513       DrawYamYamContentAreas();
8514     else if (properties_element == EL_EMC_MAGIC_BALL)
8515     {
8516       DrawMagicBallContentAreas();
8517
8518       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8519       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8520     }
8521     else if (properties_element == EL_EMC_ANDROID)
8522       DrawAndroidElementArea(properties_element);
8523   }
8524
8525   if (ELEM_IS_PLAYER(properties_element))
8526   {
8527     int player_nr = GET_PLAYER_NR(properties_element);
8528
8529     /* these properties can be set for every player individually */
8530
8531     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8532     {
8533       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8534         &level.start_element[player_nr];
8535       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8536         &level.artwork_element[player_nr];
8537       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8538         &level.explosion_element[player_nr];
8539
8540       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8541         &level.use_start_element[player_nr];
8542       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8543         &level.use_artwork_element[player_nr];
8544       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8545         &level.use_explosion_element[player_nr];
8546       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8547         &level.initial_player_gravity[player_nr];
8548
8549       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8550         &level.initial_player_stepsize[player_nr];
8551
8552       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8553       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8554                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8555                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8556       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8557       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8558       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8559       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8560       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8561       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8562       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8563       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8564       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8565
8566       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8567       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8568       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8569
8570       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8571     }
8572     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8573     {
8574       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8575         &level.initial_inventory_content[player_nr][0];
8576
8577       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8578         &level.initial_inventory_size[player_nr];
8579
8580       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8581         &level.use_initial_inventory[player_nr];
8582
8583       /* draw checkbutton gadgets */
8584       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8585
8586       /* draw counter gadgets */
8587       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8588
8589       /* draw drawing area gadgets */
8590       DrawPlayerInitialInventoryArea(properties_element);
8591     }
8592   }
8593
8594   if (IS_GEM(properties_element))
8595     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8596
8597   if (properties_element == EL_EM_DYNAMITE)
8598     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8599
8600   if (COULD_MOVE_INTO_ACID(properties_element) &&
8601       !ELEM_IS_PLAYER(properties_element) &&
8602       (!IS_CUSTOM_ELEMENT(properties_element) ||
8603        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8604   {
8605     /* set position for checkbutton for "can move into acid" */
8606     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8607       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8608     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8609       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8610                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8611
8612     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8613   }
8614
8615   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8616     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8617
8618   if (properties_element == EL_SPRING)
8619     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8620
8621   if (properties_element == EL_TIME_ORB_FULL)
8622     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8623
8624   if (CAN_GROW(properties_element))
8625   {
8626     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8627       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8628
8629     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8630   }
8631
8632   if (properties_element == EL_SOKOBAN_OBJECT ||
8633       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8634       properties_element == EL_SOKOBAN_FIELD_FULL)
8635     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8636
8637   if (IS_ENVELOPE(properties_element))
8638   {
8639     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8640     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8641     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8642     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8643     int envelope_nr = properties_element - EL_ENVELOPE_1;
8644
8645     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8646     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8647
8648     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8649     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8650
8651     /* display counter to choose size of envelope text area */
8652     MapCounterButtons(counter1_id);
8653     MapCounterButtons(counter2_id);
8654
8655     /* display checkbuttons to choose auto-wrap and alignment properties */
8656     MapCheckbuttonGadget(button1_id);
8657     MapCheckbuttonGadget(button2_id);
8658
8659     DrawEnvelopeTextArea(envelope_nr);
8660   }
8661
8662   if (IS_CUSTOM_ELEMENT(properties_element))
8663   {
8664     /* draw stickybutton gadget */
8665     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8666
8667     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8668     {
8669       /* draw checkbutton gadgets */
8670       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8671            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8672         MapCheckbuttonGadget(i);
8673
8674       /* draw counter gadgets */
8675       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8676            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8677         MapCounterButtons(i);
8678
8679       /* draw selectbox gadgets */
8680       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8681            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8682         MapSelectboxGadget(i);
8683
8684       /* draw textbutton gadgets */
8685       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8686
8687       /* draw text input gadgets */
8688       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8689
8690       /* draw drawing area gadgets */
8691       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8692     }
8693     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8694     {
8695       /* draw checkbutton gadgets */
8696       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8697            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8698         MapCheckbuttonGadget(i);
8699
8700       /* draw counter gadgets */
8701       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8702            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8703         MapCounterButtons(i);
8704
8705       /* draw selectbox gadgets */
8706       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8707            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8708         MapSelectboxGadget(i);
8709
8710       /* draw drawing area gadgets */
8711       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8712       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8713       DrawCustomContentArea();
8714     }
8715   }
8716   else if (IS_GROUP_ELEMENT(properties_element))
8717   {
8718     /* draw stickybutton gadget */
8719     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8720
8721     /* draw checkbutton gadgets */
8722     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8723     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8724
8725     /* draw counter gadgets */
8726     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8727
8728     /* draw selectbox gadgets */
8729     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8730
8731     /* draw textbutton gadgets */
8732     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8733
8734     /* draw drawing area gadgets */
8735     DrawGroupElementArea(properties_element);
8736
8737     /* draw text input gadgets */
8738     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8739
8740     /* draw drawing area gadgets */
8741     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8742   }
8743 }
8744
8745 static void DrawPropertiesChangeDrawingAreas()
8746 {
8747   if (IS_CUSTOM_ELEMENT(properties_element))
8748   {
8749     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8750     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8751     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8752
8753     DrawCustomChangeContentArea();
8754   }
8755
8756   redraw_mask |= REDRAW_FIELD;
8757 }
8758
8759 static void DrawPropertiesChange()
8760 {
8761   int i;
8762
8763   /* needed to initially set selectbox options for special action options */
8764   setSelectboxSpecialActionOptions();
8765
8766   /* draw stickybutton gadget */
8767   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8768
8769   /* draw checkbutton gadgets */
8770   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8771        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8772     MapCheckbuttonGadget(i);
8773
8774   /* draw counter gadgets */
8775   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8776        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8777     MapCounterButtons(i);
8778
8779   /* draw selectbox gadgets */
8780   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8781        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8782     MapSelectboxGadget(i);
8783
8784   /* draw textbutton gadgets */
8785   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8786        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8787     MapTextbuttonGadget(i);
8788
8789   /* draw graphicbutton gadgets */
8790   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8791        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8792     MapGraphicbuttonGadget(i);
8793
8794   /* draw drawing area gadgets */
8795   DrawPropertiesChangeDrawingAreas();
8796 }
8797
8798 static void DrawEditorElementAnimation(int x, int y)
8799 {
8800   int graphic = el2img(properties_element);
8801   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8802                custom_element.ce_value_fixed_initial :
8803                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8804                custom_element.collect_score_initial : FrameCounter);
8805
8806   DrawGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8807 }
8808
8809 static void DrawEditorElementName(int x, int y, int element)
8810 {
8811   char *element_name = getElementInfoText(element);
8812   int font_nr = FONT_TEXT_1;
8813   int font_width = getFontWidth(font_nr);
8814   int font_height = getFontHeight(font_nr);
8815   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8816   int max_chars_per_line = max_text_width / font_width;
8817   char buffer[max_chars_per_line + 1];
8818
8819   if (strlen(element_name) <= max_chars_per_line)
8820     DrawTextS(x, y, font_nr, element_name);
8821   else
8822   {
8823     int next_pos = max_chars_per_line;
8824
8825     strncpy(buffer, element_name, max_chars_per_line);
8826     buffer[max_chars_per_line] = '\0';
8827
8828     if (element_name[max_chars_per_line] == ' ')
8829       next_pos++;
8830     else
8831     {
8832       int i;
8833
8834       for (i = max_chars_per_line - 1; i >= 0; i--)
8835         if (buffer[i] == ' ')
8836           break;
8837
8838       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8839       {
8840         buffer[i] = '\0';
8841         next_pos = i + 1;
8842       }
8843     }
8844
8845     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8846
8847     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8848     buffer[max_chars_per_line] = '\0';
8849
8850     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8851   }
8852 }
8853
8854 static void DrawPropertiesWindow()
8855 {
8856   int xstart = 2;
8857   int ystart = 4;
8858
8859   stick_element_properties_window = FALSE;
8860
8861   /* make sure that previous properties edit mode exists for this element */
8862   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8863       !IS_CUSTOM_ELEMENT(properties_element))
8864     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8865
8866   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8867       !ELEM_IS_PLAYER(properties_element) &&
8868       !IS_CUSTOM_ELEMENT(properties_element))
8869     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8870
8871   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8872       (ELEM_IS_PLAYER(properties_element) ||
8873        IS_CUSTOM_ELEMENT(properties_element)))
8874     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8875
8876   CopyElementPropertiesToEditor(properties_element);
8877
8878   UnmapLevelEditorWindowGadgets();
8879   UnmapLevelEditorToolboxDrawingGadgets();
8880   UnmapLevelEditorToolboxCustomGadgets();
8881
8882   if (IS_CUSTOM_ELEMENT(properties_element) ||
8883       IS_GROUP_ELEMENT(properties_element))
8884     MapLevelEditorToolboxCustomGadgets();
8885
8886   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8887   ClearField();
8888
8889 #if 1
8890   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8891 #else
8892   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
8893            "Element Settings", FONT_TITLE_1);
8894 #endif
8895
8896   FrameCounter = 0;     /* restart animation frame counter */
8897
8898   DrawElementBorder(SX + xstart * MINI_TILEX,
8899                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8900                     TILEX, TILEY, FALSE);
8901
8902   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8903                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8904
8905   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8906                         (ystart + 1) * MINI_TILEY + 1,
8907                         properties_element);
8908
8909   DrawPropertiesTabulatorGadgets();
8910
8911   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8912     DrawPropertiesInfo();
8913   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8914     DrawPropertiesChange();
8915   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8916     DrawPropertiesConfig();
8917 }
8918
8919 static void UpdateCustomElementGraphicGadgets()
8920 {
8921   struct ElementInfo *ei = &element_info[properties_element];
8922   int i;
8923
8924   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8925                      properties_element);
8926
8927   ModifyEditorElementList();
8928   RedrawDrawingElements();
8929
8930   /* force redraw of all mapped drawing area gadgets */
8931   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8932   {
8933     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8934
8935     if (gi->mapped)
8936       MapDrawingArea(i);
8937   }
8938 }
8939
8940 static int getOpenDirectionFromTube(int element)
8941 {
8942   switch (element)
8943   {
8944     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8945     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8946     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8947     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8948     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8949     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8950     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8951     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8952     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8953     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8954     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8955   }
8956
8957   return MV_NONE;
8958 }
8959
8960 static int getTubeFromOpenDirection(int direction)
8961 {
8962   switch (direction)
8963   {
8964     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8965     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8966     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8967     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8968     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8969     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8970     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8971     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8972     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8973     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8974     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8975
8976     /* if only one direction, fall back to simple tube with that direction */
8977     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8978     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8979     case (MV_UP):                       return EL_TUBE_VERTICAL;
8980     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8981   }
8982
8983   return EL_EMPTY;
8984 }
8985
8986 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8987 {
8988   int element_new = getTubeFromOpenDirection(direction);
8989
8990   return (element_new != EL_EMPTY ? element_new : element_old);
8991 }
8992
8993 static int getOpenDirectionFromBelt(int element)
8994 {
8995   int belt_dir = getBeltDirFromBeltElement(element);
8996
8997   return (belt_dir == MV_LEFT ? MV_RIGHT :
8998           belt_dir == MV_RIGHT ? MV_LEFT :
8999           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9000 }
9001
9002 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9003 {
9004   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9005                   direction == MV_RIGHT ? MV_LEFT :
9006                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9007
9008   if (direction == MV_NONE)
9009     return EL_EMPTY;
9010
9011   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9012 }
9013
9014 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9015                                                  int element_old)
9016 {
9017   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9018
9019   return (element_new != EL_EMPTY ? element_new : element_old);
9020 }
9021
9022 static int getOpenDirectionFromPool(int element)
9023 {
9024   switch (element)
9025   {
9026     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9027     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9028     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9029     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9030     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9031     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9032   }
9033
9034   return MV_NONE;
9035 }
9036
9037 static int getPoolFromOpenDirection(int direction)
9038 {
9039   switch (direction)
9040   {
9041     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9042     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9043     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9044     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9045     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9046     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9047   }
9048
9049   return EL_EMPTY;
9050 }
9051
9052 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9053 {
9054   int element = getPoolFromOpenDirection(direction);
9055   int help_direction = getOpenDirectionFromPool(help_element);
9056
9057   if (element == EL_EMPTY)
9058   {
9059     int help_direction_vertical = help_direction & MV_VERTICAL;
9060
9061     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9062   }
9063
9064   if (element == EL_EMPTY)
9065   {
9066     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9067
9068     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9069   }
9070
9071   return element;
9072 }
9073
9074 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9075 {
9076   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9077
9078   return (element_new != EL_EMPTY ? element_new : element_old);
9079 }
9080
9081 static int getOpenDirectionFromPillar(int element)
9082 {
9083   switch (element)
9084   {
9085     case EL_EMC_WALL_1:                 return (MV_DOWN);
9086     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9087     case EL_EMC_WALL_3:                 return (MV_UP);
9088   }
9089
9090   return MV_NONE;
9091 }
9092
9093 static int getPillarFromOpenDirection(int direction)
9094 {
9095   switch (direction)
9096   {
9097     case (MV_DOWN):                     return EL_EMC_WALL_1;
9098     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9099     case (MV_UP):                       return EL_EMC_WALL_3;
9100   }
9101
9102   return EL_EMPTY;
9103 }
9104
9105 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9106 {
9107   int element_new = getPillarFromOpenDirection(direction);
9108
9109   return (element_new != EL_EMPTY ? element_new : element_old);
9110 }
9111
9112 static int getOpenDirectionFromSteel2(int element)
9113 {
9114   switch (element)
9115   {
9116     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9117     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9118     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9119     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9120     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9121     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9122     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9123     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9124   }
9125
9126   return MV_NONE;
9127 }
9128
9129 static int getSteel2FromOpenDirection(int direction)
9130 {
9131   switch (direction)
9132   {
9133     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9134     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9135     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9136     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9137     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9138     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9139     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9140     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9141   }
9142
9143   return EL_EMPTY;
9144 }
9145
9146 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9147 {
9148   int element_new = getSteel2FromOpenDirection(direction);
9149
9150   return (element_new != EL_EMPTY ? element_new : element_old);
9151 }
9152
9153 static int getOpenDirectionFromChip(int element)
9154 {
9155   switch (element)
9156   {
9157     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9158     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9159     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9160     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9161     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9162   }
9163
9164   return MV_NONE;
9165 }
9166
9167 static int getChipFromOpenDirection(int direction)
9168 {
9169   switch (direction)
9170   {
9171     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9172     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9173     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9174     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9175     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9176   }
9177
9178   return EL_EMPTY;
9179 }
9180
9181 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9182 {
9183   int element_new = getChipFromOpenDirection(direction);
9184
9185   return (element_new != EL_EMPTY ? element_new : element_old);
9186 }
9187
9188 static int getClosedTube(int x, int y)
9189 {
9190   static int xy[4][2] =
9191   {
9192     { -1, 0 },
9193     { +1, 0 },
9194     { 0, -1 },
9195     { 0, +1 }
9196   };
9197   int element_old = IntelliDrawBuffer[x][y];
9198   int direction_old = getOpenDirectionFromTube(element_old);
9199   int direction_new = MV_NONE;
9200   int i;
9201
9202   for (i = 0; i < NUM_DIRECTIONS; i++)
9203   {
9204     int xx = x + xy[i][0];
9205     int yy = y + xy[i][1];
9206     int dir = MV_DIR_FROM_BIT(i);
9207     int dir_opposite = MV_DIR_OPPOSITE(dir);
9208
9209     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9210         (direction_old & dir) &&
9211         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9212       direction_new |= dir;
9213   }
9214
9215   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9216 }
9217
9218 static int getClosedBelt(int x, int y)
9219 {
9220   static int xy[4][2] =
9221   {
9222     { -1, 0 },
9223     { +1, 0 },
9224     { 0, -1 },
9225     { 0, +1 }
9226   };
9227   int element_old = IntelliDrawBuffer[x][y];
9228   int nr = getBeltNrFromBeltElement(element_old);
9229   int direction_old = getOpenDirectionFromBelt(element_old);
9230   int direction_new = MV_NONE;
9231   int i;
9232
9233   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9234   {
9235     int xx = x + xy[i][0];
9236     int yy = y + xy[i][1];
9237     int dir = MV_DIR_FROM_BIT(i);
9238     int dir_opposite = MV_DIR_OPPOSITE(dir);
9239
9240     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9241         (direction_old & dir) &&
9242         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9243       direction_new |= dir;
9244   }
9245
9246   return getBeltFromNrAndOpenDirection(nr, direction_new);
9247 }
9248
9249 static int getClosedPool(int x, int y)
9250 {
9251   static int xy[4][2] =
9252   {
9253     { -1, 0 },
9254     { +1, 0 },
9255     { 0, -1 },
9256     { 0, +1 }
9257   };
9258   int element_old = IntelliDrawBuffer[x][y];
9259   int direction_old = getOpenDirectionFromPool(element_old);
9260   int direction_new = MV_NONE;
9261   int i;
9262
9263   for (i = 0; i < NUM_DIRECTIONS; i++)
9264   {
9265     int xx = x + xy[i][0];
9266     int yy = y + xy[i][1];
9267     int dir = MV_DIR_FROM_BIT(i);
9268     int dir_opposite = MV_DIR_OPPOSITE(dir);
9269
9270     if (IN_LEV_FIELD(xx, yy) &&
9271         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9272         (direction_old & dir) &&
9273         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9274       direction_new |= dir;
9275   }
9276
9277   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9278 }
9279
9280 static int getClosedPillar(int x, int y)
9281 {
9282   static int xy[4][2] =
9283   {
9284     { -1, 0 },
9285     { +1, 0 },
9286     { 0, -1 },
9287     { 0, +1 }
9288   };
9289   int element_old = IntelliDrawBuffer[x][y];
9290   int direction_old = getOpenDirectionFromPillar(element_old);
9291   int direction_new = MV_NONE;
9292   int i;
9293
9294   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9295   {
9296     int xx = x + xy[i][0];
9297     int yy = y + xy[i][1];
9298     int dir = MV_DIR_FROM_BIT(i);
9299     int dir_opposite = MV_DIR_OPPOSITE(dir);
9300
9301     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9302         (direction_old & dir) &&
9303         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9304       direction_new |= dir;
9305   }
9306
9307   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9308 }
9309
9310 static int getClosedSteel2(int x, int y)
9311 {
9312   static int xy[4][2] =
9313   {
9314     { -1, 0 },
9315     { +1, 0 },
9316     { 0, -1 },
9317     { 0, +1 }
9318   };
9319   int element_old = IntelliDrawBuffer[x][y];
9320   int direction_old = getOpenDirectionFromSteel2(element_old);
9321   int direction_new = MV_NONE;
9322   int i;
9323
9324   for (i = 0; i < NUM_DIRECTIONS; i++)
9325   {
9326     int xx = x + xy[i][0];
9327     int yy = y + xy[i][1];
9328     int dir = MV_DIR_FROM_BIT(i);
9329     int dir_opposite = MV_DIR_OPPOSITE(dir);
9330
9331     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9332         (direction_old & dir) &&
9333         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9334       direction_new |= dir;
9335   }
9336
9337   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9338 }
9339
9340 static int getClosedChip(int x, int y)
9341 {
9342   static int xy[4][2] =
9343   {
9344     { -1, 0 },
9345     { +1, 0 },
9346     { 0, -1 },
9347     { 0, +1 }
9348   };
9349   int element_old = IntelliDrawBuffer[x][y];
9350   int direction_old = getOpenDirectionFromChip(element_old);
9351   int direction_new = MV_NONE;
9352   int i;
9353
9354   for (i = 0; i < NUM_DIRECTIONS; i++)
9355   {
9356     int xx = x + xy[i][0];
9357     int yy = y + xy[i][1];
9358     int dir = MV_DIR_FROM_BIT(i);
9359     int dir_opposite = MV_DIR_OPPOSITE(dir);
9360
9361     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9362         (direction_old & dir) &&
9363         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9364       direction_new |= dir;
9365   }
9366
9367   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9368 }
9369
9370 static void SetElementSimple(int x, int y, int element, boolean change_level)
9371 {
9372   int sx = x - level_xpos;
9373   int sy = y - level_ypos;
9374
9375   IntelliDrawBuffer[x][y] = element;
9376
9377   if (change_level)
9378     Feld[x][y] = element;
9379
9380   if (IN_ED_FIELD(sx, sy))
9381     DrawMiniElement(sx, sy, element);
9382 }
9383
9384 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9385                                            int x2, int y2, int *element2,
9386                                            int (*close_function)(int, int),
9387                                            boolean change_level)
9388 {
9389   /* set neighbour elements to newly determined connections */
9390   SetElementSimple(x1, y1, *element1, change_level);
9391   SetElementSimple(x2, y2, *element2, change_level);
9392
9393   /* remove all open connections of neighbour elements */
9394   *element1 = close_function(x1, y1);
9395   *element2 = close_function(x2, y2);
9396
9397   /* set neighbour elements to new, minimized connections */
9398   SetElementSimple(x1, y1, *element1, change_level);
9399   SetElementSimple(x2, y2, *element2, change_level);
9400 }
9401
9402 static void SetElementIntelliDraw(int x, int y, int new_element,
9403                                   boolean change_level, int button)
9404 {
9405   static int xy[4][2] =
9406   {
9407     { -1, 0 },
9408     { +1, 0 },
9409     { 0, -1 },
9410     { 0, +1 }
9411   };
9412   static int last_x = -1;
9413   static int last_y = -1;
9414   int old_element = IntelliDrawBuffer[x][y];
9415
9416   if (new_element == EL_UNDEFINED)
9417   {
9418     last_x = -1;
9419     last_y = -1;
9420
9421     return;
9422   }
9423
9424   if (IS_TUBE(new_element))
9425   {
9426     int last_element_new = EL_UNDEFINED;
9427     int direction = MV_NONE;
9428     int i;
9429
9430     /* if old element is of same kind, keep all existing directions */
9431     if (IS_TUBE(old_element))
9432       direction |= getOpenDirectionFromTube(old_element);
9433
9434     for (i = 0; i < NUM_DIRECTIONS; i++)
9435     {
9436       int xx = x + xy[i][0];
9437       int yy = y + xy[i][1];
9438
9439       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9440           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9441       {
9442         int dir = MV_DIR_FROM_BIT(i);
9443         int dir_opposite = MV_DIR_OPPOSITE(dir);
9444         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9445         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9446         int last_direction_new = last_direction_old | dir_opposite;
9447
9448         last_element_new = getTubeFromOpenDirection(last_direction_new);
9449
9450         direction |= dir;
9451       }
9452     }
9453
9454     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9455
9456     if (last_element_new != EL_UNDEFINED)
9457       MergeAndCloseNeighbourElements(x, y, &new_element,
9458                                      last_x, last_y, &last_element_new,
9459                                      getClosedTube, change_level);
9460   }
9461   else if (IS_BELT(new_element))
9462   {
9463     int belt_nr = getBeltNrFromBeltElement(new_element);
9464     int last_element_new = EL_UNDEFINED;
9465     int direction = MV_NONE;
9466     int i;
9467
9468     /* if old element is of same kind, keep all existing directions */
9469     if (IS_BELT(old_element))
9470       direction |= getOpenDirectionFromBelt(old_element);
9471
9472     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9473     {
9474       int xx = x + xy[i][0];
9475       int yy = y + xy[i][1];
9476
9477       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9478           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9479       {
9480         int dir = MV_DIR_FROM_BIT(i);
9481         int dir_opposite = MV_DIR_OPPOSITE(dir);
9482         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9483         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9484         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9485         int last_direction_new = last_direction_old | dir_opposite;
9486
9487         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9488                                                          last_direction_new);
9489         direction |= dir;
9490       }
9491     }
9492
9493     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9494                                                         new_element);
9495     if (last_element_new != EL_UNDEFINED)
9496       MergeAndCloseNeighbourElements(x, y, &new_element,
9497                                      last_x, last_y, &last_element_new,
9498                                      getClosedBelt, change_level);
9499   }
9500   else if (IS_ACID_POOL_OR_ACID(new_element))
9501   {
9502     int last_element_new = EL_UNDEFINED;
9503     int direction = MV_NONE;
9504     int i;
9505
9506     /* if old element is of same kind, keep all existing directions */
9507     if (IS_ACID_POOL_OR_ACID(old_element))
9508       direction |= getOpenDirectionFromPool(old_element);
9509
9510     for (i = 0; i < NUM_DIRECTIONS; i++)
9511     {
9512       int xx = x + xy[i][0];
9513       int yy = y + xy[i][1];
9514
9515       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9516           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9517       {
9518         int dir = MV_DIR_FROM_BIT(i);
9519         int dir_opposite = MV_DIR_OPPOSITE(dir);
9520         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9521         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9522         int last_direction_new = last_direction_old | dir_opposite;
9523
9524         last_element_new = getPoolFromOpenDirection(last_direction_new);
9525
9526         direction |= dir;
9527       }
9528     }
9529
9530     /* special corrections needed for intuitively correct acid pool drawing */
9531     if (last_element_new == EL_EMPTY)
9532       last_element_new = new_element;
9533     else if (last_element_new != EL_UNDEFINED)
9534       new_element = last_element_new;
9535
9536     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9537
9538     if (last_element_new != EL_UNDEFINED)
9539       MergeAndCloseNeighbourElements(x, y, &new_element,
9540                                      last_x, last_y, &last_element_new,
9541                                      getClosedPool, change_level);
9542   }
9543   else if (IS_EMC_PILLAR(new_element))
9544   {
9545     int last_element_new = EL_UNDEFINED;
9546     int direction = MV_NONE;
9547     int i;
9548
9549     /* if old element is of same kind, keep all existing directions */
9550     if (IS_EMC_PILLAR(old_element))
9551       direction |= getOpenDirectionFromPillar(old_element);
9552
9553     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9554     {
9555       int xx = x + xy[i][0];
9556       int yy = y + xy[i][1];
9557
9558       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9559           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9560       {
9561         int dir = MV_DIR_FROM_BIT(i);
9562         int dir_opposite = MV_DIR_OPPOSITE(dir);
9563         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9564         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9565         int last_direction_new = last_direction_old | dir_opposite;
9566
9567         last_element_new = getPillarFromOpenDirection(last_direction_new);
9568
9569         direction |= dir;
9570       }
9571     }
9572
9573     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9574
9575     if (last_element_new != EL_UNDEFINED)
9576       MergeAndCloseNeighbourElements(x, y, &new_element,
9577                                      last_x, last_y, &last_element_new,
9578                                      getClosedPillar, change_level);
9579   }
9580   else if (IS_DC_STEELWALL_2(new_element))
9581   {
9582     int last_element_new = EL_UNDEFINED;
9583     int direction = MV_NONE;
9584     int i;
9585
9586     /* if old element is of same kind, keep all existing directions */
9587     if (IS_DC_STEELWALL_2(old_element))
9588       direction |= getOpenDirectionFromSteel2(old_element);
9589
9590     for (i = 0; i < NUM_DIRECTIONS; i++)
9591     {
9592       int xx = x + xy[i][0];
9593       int yy = y + xy[i][1];
9594
9595       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9596           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9597       {
9598         int dir = MV_DIR_FROM_BIT(i);
9599         int dir_opposite = MV_DIR_OPPOSITE(dir);
9600         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9601         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9602         int last_direction_new = last_direction_old | dir_opposite;
9603
9604         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9605
9606         direction |= dir;
9607       }
9608     }
9609
9610     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9611
9612     if (last_element_new != EL_UNDEFINED)
9613       MergeAndCloseNeighbourElements(x, y, &new_element,
9614                                      last_x, last_y, &last_element_new,
9615                                      getClosedSteel2, change_level);
9616   }
9617   else if (IS_SP_CHIP(new_element))
9618   {
9619     int last_element_new = EL_UNDEFINED;
9620     int direction = MV_NONE;
9621     int i;
9622
9623     /* (do not keep existing directions, regardless of kind of old element) */
9624
9625     for (i = 0; i < NUM_DIRECTIONS; i++)
9626     {
9627       int xx = x + xy[i][0];
9628       int yy = y + xy[i][1];
9629
9630       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9631           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9632       {
9633         int dir = MV_DIR_FROM_BIT(i);
9634         int dir_opposite = MV_DIR_OPPOSITE(dir);
9635         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9636         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9637         int last_direction_new = last_direction_old | dir_opposite;
9638
9639         if (last_direction_old == MV_NONE)
9640         {
9641           last_element_new = getChipFromOpenDirection(last_direction_new);
9642           direction |= dir;
9643         }
9644         else if (last_direction_old & (dir | dir_opposite))
9645         {
9646           direction |= MV_DIR_OPPOSITE(last_direction_old);
9647         }
9648         else
9649         {
9650           direction |= MV_DIR_OPPOSITE(dir);
9651         }
9652       }
9653     }
9654
9655     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9656
9657     if (last_element_new != EL_UNDEFINED)
9658       MergeAndCloseNeighbourElements(x, y, &new_element,
9659                                      last_x, last_y, &last_element_new,
9660                                      getClosedChip, change_level);
9661   }
9662   else if (IS_SP_HARDWARE_BASE(new_element))
9663   {
9664     int nr = GetSimpleRandom(6);
9665
9666     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9667                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9668                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9669                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9670                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9671   }
9672   else if (new_element == EL_SP_HARDWARE_GREEN ||
9673            new_element == EL_SP_HARDWARE_BLUE ||
9674            new_element == EL_SP_HARDWARE_RED)
9675   {
9676     int nr = GetSimpleRandom(3);
9677
9678     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9679                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9680   }
9681   else if (IS_GROUP_ELEMENT(new_element))
9682   {
9683     boolean connected_drawing = FALSE;
9684     int i;
9685
9686     for (i = 0; i < NUM_DIRECTIONS; i++)
9687     {
9688       int xx = x + xy[i][0];
9689       int yy = y + xy[i][1];
9690
9691       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9692           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9693         connected_drawing = TRUE;
9694     }
9695
9696     if (!connected_drawing)
9697       ResolveGroupElement(new_element);
9698
9699     new_element = GetElementFromGroupElement(new_element);
9700   }
9701   else if (IS_BELT_SWITCH(old_element))
9702   {
9703     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9704     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9705
9706     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9707                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9708
9709     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9710   }
9711   else
9712   {
9713     static int swappable_elements[][2] =
9714     {
9715       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9716       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9717       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9718       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9719       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9720       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9721       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9722       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9723       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9724       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9725       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9726       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9727       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9728       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9729       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9730       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9731       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9732       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9733       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9734       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9735       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9736       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9737       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9738       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9739       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9740       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9741       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9742       { EL_PEARL,                       EL_WALL_PEARL                   },
9743       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9744       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9745       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9746       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9747       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9748       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9749       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9750       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9751       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9752       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9753       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9754       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9755
9756       { -1,                             -1                              },
9757     };
9758     static int rotatable_elements[][4] =
9759     {
9760       {
9761         EL_BUG_UP,
9762         EL_BUG_RIGHT,
9763         EL_BUG_DOWN,
9764         EL_BUG_LEFT
9765       },
9766
9767       {
9768         EL_SPACESHIP_UP,
9769         EL_SPACESHIP_RIGHT,
9770         EL_SPACESHIP_DOWN,
9771         EL_SPACESHIP_LEFT
9772       },
9773
9774       {
9775         EL_BD_BUTTERFLY_UP,
9776         EL_BD_BUTTERFLY_RIGHT,
9777         EL_BD_BUTTERFLY_DOWN,
9778         EL_BD_BUTTERFLY_LEFT
9779       },
9780
9781       {
9782         EL_BD_FIREFLY_UP,
9783         EL_BD_FIREFLY_RIGHT,
9784         EL_BD_FIREFLY_DOWN,
9785         EL_BD_FIREFLY_LEFT
9786       },
9787
9788       {
9789         EL_PACMAN_UP,
9790         EL_PACMAN_RIGHT,
9791         EL_PACMAN_DOWN,
9792         EL_PACMAN_LEFT
9793       },
9794
9795       {
9796         EL_YAMYAM_UP,
9797         EL_YAMYAM_RIGHT,
9798         EL_YAMYAM_DOWN,
9799         EL_YAMYAM_LEFT
9800       },
9801
9802       {
9803         EL_ARROW_UP,
9804         EL_ARROW_RIGHT,
9805         EL_ARROW_DOWN,
9806         EL_ARROW_LEFT
9807       },
9808
9809       {
9810         EL_SP_PORT_UP,
9811         EL_SP_PORT_RIGHT,
9812         EL_SP_PORT_DOWN,
9813         EL_SP_PORT_LEFT
9814       },
9815
9816       {
9817         EL_SP_GRAVITY_PORT_UP,
9818         EL_SP_GRAVITY_PORT_RIGHT,
9819         EL_SP_GRAVITY_PORT_DOWN,
9820         EL_SP_GRAVITY_PORT_LEFT
9821       },
9822
9823       {
9824         EL_SP_GRAVITY_ON_PORT_UP,
9825         EL_SP_GRAVITY_ON_PORT_RIGHT,
9826         EL_SP_GRAVITY_ON_PORT_DOWN,
9827         EL_SP_GRAVITY_ON_PORT_LEFT
9828       },
9829
9830       {
9831         EL_SP_GRAVITY_OFF_PORT_UP,
9832         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9833         EL_SP_GRAVITY_OFF_PORT_DOWN,
9834         EL_SP_GRAVITY_OFF_PORT_LEFT
9835       },
9836
9837       {
9838         EL_MOLE_UP,
9839         EL_MOLE_RIGHT,
9840         EL_MOLE_DOWN,
9841         EL_MOLE_LEFT
9842       },
9843
9844       {
9845         EL_BALLOON_SWITCH_UP,
9846         EL_BALLOON_SWITCH_RIGHT,
9847         EL_BALLOON_SWITCH_DOWN,
9848         EL_BALLOON_SWITCH_LEFT
9849       },
9850
9851       {
9852         -1,
9853         -1,
9854         -1,
9855         -1,
9856       },
9857     };
9858     int i, j;
9859
9860     for (i = 0; swappable_elements[i][0] != -1; i++)
9861     {
9862       int element1 = swappable_elements[i][0];
9863       int element2 = swappable_elements[i][1];
9864
9865       if (old_element == element1 || old_element == element2)
9866         new_element = (old_element == element1 ? element2 : element1);
9867     }
9868
9869     for (i = 0; rotatable_elements[i][0] != -1; i++)
9870     {
9871       for (j = 0; j < 4; j++)
9872       {
9873         int element = rotatable_elements[i][j];
9874
9875         if (old_element == element)
9876           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9877                          button == 2 ? rotatable_elements[i][0]           :
9878                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9879                          old_element);
9880       }
9881     }
9882   }
9883
9884   SetElementSimple(x, y, new_element, change_level);
9885
9886   last_x = x;
9887   last_y = y;
9888 }
9889
9890 static void ResetIntelliDraw()
9891 {
9892   int x, y;
9893
9894   for (x = 0; x < lev_fieldx; x++)
9895     for (y = 0; y < lev_fieldy; y++)
9896       IntelliDrawBuffer[x][y] = Feld[x][y];
9897
9898   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9899 }
9900
9901 static void SetElementExt(int x, int y, int element, boolean change_level,
9902                           int button)
9903 {
9904   if (element < 0)
9905     SetElementSimple(x, y, Feld[x][y], change_level);
9906   else if (GetKeyModState() & KMOD_Shift)
9907     SetElementIntelliDraw(x, y, element, change_level, button);
9908   else
9909     SetElementSimple(x, y, element, change_level);
9910 }
9911
9912 static void SetElement(int x, int y, int element)
9913 {
9914   SetElementExt(x, y, element, TRUE, -1);
9915 }
9916
9917 static void SetElementButton(int x, int y, int element, int button)
9918 {
9919   SetElementExt(x, y, element, TRUE, button);
9920 }
9921
9922 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9923 {
9924   int lx = sx + level_xpos;
9925   int ly = sy + level_ypos;
9926
9927   SetElementExt(lx, ly, element, change_level, -1);
9928 }
9929
9930 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9931                      int element, boolean change_level)
9932 {
9933   int xsize = ABS(to_x - from_x);
9934   int ysize = ABS(to_y - from_y);
9935   int dx = (to_x < from_x ? -1 : +1);
9936   int dy = (to_y < from_y ? -1 : +1);
9937   int i;
9938
9939   if (from_y == to_y)                   /* horizontal line */
9940   {
9941     for (i = 0; i <= xsize; i++)
9942       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9943   }
9944   else if (from_x == to_x)              /* vertical line */
9945   {
9946     for (i = 0; i <= ysize; i++)
9947       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9948   }
9949   else                                  /* diagonal line */
9950   {
9951     if (ysize < xsize)                  /* a < 1 */
9952     {
9953       float a = (float)ysize / (float)xsize;
9954
9955       for (i = 0; i <= xsize; i++)
9956       {
9957         int x = dx * i;
9958         int y = dy * (int)(a * i + 0.5);
9959
9960         DrawLineElement(from_x + x, from_y + y, element, change_level);
9961       }
9962     }
9963     else                                /* a >= 1 */
9964     {
9965       float a = (float)xsize / (float)ysize;
9966
9967       for (i = 0; i <= ysize; i++)
9968       {
9969         int x = dx * (int)(a * i + 0.5);
9970         int y = dy * i;
9971
9972         DrawLineElement(from_x + x, from_y + y, element, change_level);
9973       }
9974     }
9975   }
9976 }
9977
9978 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9979                     int element, boolean change_level)
9980 {
9981   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9982   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9983   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9984   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9985 }
9986
9987 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9988                           int element, boolean change_level)
9989 {
9990   int y;
9991
9992   if (from_y > to_y)
9993     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9994
9995   for (y = from_y; y <= to_y; y++)
9996     DrawLine(from_x, y, to_x, y, element, change_level);
9997 }
9998
9999 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10000                        int element, boolean change_level)
10001 {
10002   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10003   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10004   int len_x = ABS(to_x - from_x);
10005   int len_y = ABS(to_y - from_y);
10006   int radius, x, y;
10007
10008   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10009
10010   /* not optimal (some points get drawn twice) but simple,
10011      and fast enough for the few points we are drawing */
10012
10013   for (x = 0; x <= radius; x++)
10014   {
10015     int sx, sy, lx, ly;
10016
10017     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10018
10019     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10020     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10021     lx = sx + level_xpos;
10022     ly = sy + level_ypos;
10023
10024     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10025       DrawLineElement(sx, sy, element, change_level);
10026   }
10027
10028   for (y = 0; y <= radius; y++)
10029   {
10030     int sx, sy, lx, ly;
10031
10032     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10033
10034     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10035     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10036     lx = sx + level_xpos;
10037     ly = sy + level_ypos;
10038
10039     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10040       DrawLineElement(sx, sy, element, change_level);
10041   }
10042 }
10043
10044 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10045                     int element, boolean change_level)
10046 {
10047   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10048   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10049
10050   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10051 }
10052
10053 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10054
10055 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10056 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10057                        int element, boolean change_level)
10058 {
10059   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10060   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10061   int mirror_to_x2 = from_x - (to_x2 - from_x);
10062   int mirror_to_y2 = from_y - (to_y2 - from_y);
10063
10064   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10065   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10066   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10067   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10068 }
10069 #endif
10070
10071 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10072 {
10073   int from_sx, from_sy;
10074   int to_sx, to_sy;
10075
10076   if (from_x > to_x)
10077     swap_numbers(&from_x, &to_x);
10078
10079   if (from_y > to_y)
10080     swap_numbers(&from_y, &to_y);
10081
10082   from_sx = SX + from_x * MINI_TILEX;
10083   from_sy = SY + from_y * MINI_TILEY;
10084   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10085   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10086
10087   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10088   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10089   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10090   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10091
10092   if (from_x == to_x && from_y == to_y)
10093     MarkTileDirty(from_x/2, from_y/2);
10094   else
10095     redraw_mask |= REDRAW_FIELD;
10096 }
10097
10098 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10099                        int element, boolean change_level)
10100 {
10101   if (element == -1 || change_level)
10102     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10103   else
10104     DrawAreaBorder(from_x, from_y, to_x, to_y);
10105 }
10106
10107 /* values for CopyBrushExt() */
10108 #define CB_AREA_TO_BRUSH        0
10109 #define CB_BRUSH_TO_CURSOR      1
10110 #define CB_BRUSH_TO_LEVEL       2
10111 #define CB_DELETE_OLD_CURSOR    3
10112 #define CB_DUMP_BRUSH           4
10113 #define CB_DUMP_BRUSH_SMALL     5
10114
10115 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10116                          int button, int mode)
10117 {
10118 #if 1
10119   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10120 #else
10121   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
10122 #endif
10123   static int brush_width, brush_height;
10124   static int last_cursor_x = -1, last_cursor_y = -1;
10125   static boolean delete_old_brush;
10126   int new_element = BUTTON_ELEMENT(button);
10127   int x, y;
10128
10129   if (mode == CB_DUMP_BRUSH ||
10130       mode == CB_DUMP_BRUSH_SMALL)
10131   {
10132     if (!draw_with_brush)
10133     {
10134       Error(ERR_WARN, "no brush selected");
10135
10136       return;
10137     }
10138
10139     for (y = 0; y < brush_height; y++)
10140     {
10141       for (x = 0; x < brush_width; x++)
10142       {
10143         int element = brush_buffer[x][y];
10144         int element_mapped = element;
10145
10146         if (IS_CUSTOM_ELEMENT(element))
10147           element_mapped = EL_CUSTOM_START;
10148         else if (IS_GROUP_ELEMENT(element))
10149           element_mapped = EL_GROUP_START;
10150         else if (element >= NUM_FILE_ELEMENTS)
10151           element_mapped = EL_UNKNOWN;
10152
10153         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
10154       }
10155
10156       printf("\n");
10157     }
10158
10159     return;
10160   }
10161
10162   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10163     return;
10164
10165   if (mode == CB_AREA_TO_BRUSH)
10166   {
10167     int from_lx, from_ly;
10168
10169     if (from_x > to_x)
10170       swap_numbers(&from_x, &to_x);
10171
10172     if (from_y > to_y)
10173       swap_numbers(&from_y, &to_y);
10174
10175     brush_width = to_x - from_x + 1;
10176     brush_height = to_y - from_y + 1;
10177
10178     from_lx = from_x + level_xpos;
10179     from_ly = from_y + level_ypos;
10180
10181     for (y = 0; y < brush_height; y++)
10182     {
10183       for (x = 0; x < brush_width; x++)
10184       {
10185         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10186
10187         if (button != 1)
10188           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10189       }
10190     }
10191
10192     if (button != 1)
10193       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10194
10195     delete_old_brush = FALSE;
10196   }
10197   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10198            mode == CB_BRUSH_TO_LEVEL)
10199   {
10200     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10201     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10202     int cursor_from_x = cursor_x - brush_width / 2;
10203     int cursor_from_y = cursor_y - brush_height / 2;
10204     int border_from_x = cursor_x, border_from_y = cursor_y;
10205     int border_to_x = cursor_x, border_to_y = cursor_y;
10206
10207     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10208       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10209
10210     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10211         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10212     {
10213       delete_old_brush = FALSE;
10214       return;
10215     }
10216
10217     for (y = 0; y < brush_height; y++)
10218     {
10219       for (x = 0; x < brush_width; x++)
10220       {
10221         int sx = cursor_from_x + x;
10222         int sy = cursor_from_y + y;
10223         int lx = sx + level_xpos;
10224         int ly = sy + level_ypos;
10225         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10226         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10227                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10228                        brush_buffer[x][y] : new_element);
10229
10230         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10231         {
10232           if (sx < border_from_x)
10233             border_from_x = sx;
10234           else if (sx > border_to_x)
10235             border_to_x = sx;
10236           if (sy < border_from_y)
10237             border_from_y = sy;
10238           else if (sy > border_to_y)
10239             border_to_y = sy;
10240
10241           DrawLineElement(sx, sy, element, change_level);
10242         }
10243       }
10244     }
10245
10246     if (mode != CB_DELETE_OLD_CURSOR)
10247       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10248
10249     last_cursor_x = cursor_x;
10250     last_cursor_y = cursor_y;
10251     delete_old_brush = TRUE;
10252   }
10253 }
10254
10255 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10256                             int button)
10257 {
10258   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10259 }
10260
10261 static void CopyBrushToLevel(int x, int y, int button)
10262 {
10263   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10264 }
10265
10266 static void CopyBrushToCursor(int x, int y)
10267 {
10268   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10269 }
10270
10271 static void DeleteBrushFromCursor()
10272 {
10273   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10274 }
10275
10276 void DumpBrush()
10277 {
10278   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10279 }
10280
10281 void DumpBrush_Small()
10282 {
10283   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10284 }
10285
10286 static void FloodFill(int from_x, int from_y, int fill_element)
10287 {
10288   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10289 }
10290
10291 /* values for DrawLevelText() modes */
10292 #define TEXT_INIT               0
10293 #define TEXT_SETCURSOR          1
10294 #define TEXT_WRITECHAR          2
10295 #define TEXT_BACKSPACE          3
10296 #define TEXT_NEWLINE            4
10297 #define TEXT_END                5
10298 #define TEXT_QUERY_TYPING       6
10299
10300 static int DrawLevelText(int sx, int sy, char letter, int mode)
10301 {
10302   static short delete_buffer[MAX_LEV_FIELDX];
10303   static int start_sx, start_sy;
10304   static int last_sx, last_sy;
10305   static boolean typing = FALSE;
10306   int letter_element = EL_CHAR_ASCII0 + letter;
10307   int lx = 0, ly = 0;
10308
10309   /* map lower case letters to upper case and convert special characters */
10310   if (letter >= 'a' && letter <= 'z')
10311     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10312   else if (letter == 'ä' || letter == 'Ä')
10313     letter_element = EL_CHAR_AUMLAUT;
10314   else if (letter == 'ö' || letter == 'Ö')
10315     letter_element = EL_CHAR_OUMLAUT;
10316   else if (letter == 'ü' || letter == 'Ü')
10317     letter_element = EL_CHAR_UUMLAUT;
10318   else if (letter == '^')
10319     letter_element = EL_CHAR_COPYRIGHT;
10320   else
10321     letter_element = EL_CHAR_ASCII0 + letter;
10322
10323   if (mode != TEXT_INIT)
10324   {
10325     if (!typing)
10326       return FALSE;
10327
10328     if (mode != TEXT_SETCURSOR)
10329     {
10330       sx = last_sx;
10331       sy = last_sy;
10332     }
10333
10334     lx = last_sx + level_xpos;
10335     ly = last_sy + level_ypos;
10336   }
10337
10338   switch (mode)
10339   {
10340     case TEXT_INIT:
10341       if (typing)
10342         DrawLevelText(0, 0, 0, TEXT_END);
10343
10344       typing = TRUE;
10345       start_sx = last_sx = sx;
10346       start_sy = last_sy = sy;
10347       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10348       break;
10349
10350     case TEXT_SETCURSOR:
10351       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10352       DrawAreaBorder(sx, sy, sx, sy);
10353       last_sx = sx;
10354       last_sy = sy;
10355       break;
10356
10357     case TEXT_WRITECHAR:
10358       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10359       {
10360         delete_buffer[sx - start_sx] = Feld[lx][ly];
10361         Feld[lx][ly] = letter_element;
10362
10363         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10364           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10365         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10366           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10367         else
10368           DrawLevelText(0, 0, 0, TEXT_END);
10369
10370         level.changed = TRUE;
10371       }
10372       break;
10373
10374     case TEXT_BACKSPACE:
10375       if (sx > start_sx)
10376       {
10377         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10378         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10379         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10380       }
10381       break;
10382
10383     case TEXT_NEWLINE:
10384       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10385         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10386       else
10387         DrawLevelText(0, 0, 0, TEXT_END);
10388       break;
10389
10390     case TEXT_END:
10391       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10392       DrawMiniElement(sx, sy, Feld[lx][ly]);
10393       typing = FALSE;
10394       break;
10395
10396     case TEXT_QUERY_TYPING:
10397       break;
10398
10399     default:
10400       break;
10401   }
10402
10403   return typing;
10404 }
10405
10406 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10407                           int element, boolean change_level)
10408 {
10409   int lx = sx + level_xpos;
10410   int ly = sy + level_ypos;
10411
10412   if (element == -1)
10413     DrawMiniElement(sx, sy, Feld[lx][ly]);
10414   else
10415     DrawAreaBorder(sx, sy, sx, sy);
10416 }
10417
10418 static void CheckLevelBorderElement(boolean redraw_playfield)
10419 {
10420   int last_border_element = BorderElement;
10421
10422   SetBorderElement();
10423
10424   if (redraw_playfield && BorderElement != last_border_element)
10425     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10426 }
10427
10428 static void CopyLevelToUndoBuffer(int mode)
10429 {
10430   static boolean accumulated_undo = FALSE;
10431   boolean new_undo_buffer_position = TRUE;
10432   int x, y;
10433
10434   switch (mode)
10435   {
10436     case UNDO_IMMEDIATE:
10437       accumulated_undo = FALSE;
10438       break;
10439
10440     case UNDO_ACCUMULATE:
10441       if (accumulated_undo)
10442         new_undo_buffer_position = FALSE;
10443       accumulated_undo = TRUE;
10444       break;
10445
10446     default:
10447       break;
10448   }
10449
10450   if (new_undo_buffer_position)
10451   {
10452     /* new position in undo buffer ring */
10453     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10454
10455     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10456       undo_buffer_steps++;
10457   }
10458
10459   for (x = 0; x < lev_fieldx; x++)
10460     for (y = 0; y < lev_fieldy; y++)
10461       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10462
10463   /* check if drawing operation forces change of border style */
10464   CheckLevelBorderElement(TRUE);
10465
10466   level.changed = TRUE;
10467 }
10468
10469 static void RandomPlacement(int new_element)
10470 {
10471   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10472   int num_free_positions = 0;
10473   int num_percentage, num_elements;
10474   int x, y;
10475
10476 #if 1
10477   ResetIntelliDraw();
10478 #endif
10479
10480   /* determine number of free positions for randomly placing the new element */
10481   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10482   {
10483     free_position[x][y] =
10484       (random_placement_background_restricted ?
10485        Feld[x][y] == random_placement_background_element :
10486        Feld[x][y] != new_element);
10487
10488     if (free_position[x][y])
10489       num_free_positions++;
10490   }
10491
10492   /* determine number of new elements to place there */
10493   num_percentage = num_free_positions * random_placement_value / 100;
10494   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10495                   num_percentage : random_placement_value);
10496
10497   /* if less free positions than elements to place, fill all these positions */
10498   if (num_free_positions < num_elements)
10499   {
10500     for (x = 0; x < lev_fieldx; x++)
10501       for (y = 0; y < lev_fieldy; y++)
10502         if (free_position[x][y])
10503 #if 1
10504           SetElement(x, y, new_element);
10505 #else
10506           Feld[x][y] = new_element;
10507 #endif
10508   }
10509   else
10510   {
10511     while (num_elements > 0)
10512     {
10513       x = GetSimpleRandom(lev_fieldx);
10514       y = GetSimpleRandom(lev_fieldy);
10515
10516       /* don't place element at the same position twice */
10517       if (free_position[x][y])
10518       {
10519         free_position[x][y] = FALSE;
10520 #if 1
10521         SetElement(x, y, new_element);
10522 #else
10523         Feld[x][y] = new_element;
10524 #endif
10525         num_elements--;
10526       }
10527     }
10528   }
10529
10530   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10531   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10532 }
10533
10534 void WrapLevel(int dx, int dy)
10535 {
10536   int wrap_dx = lev_fieldx - dx;
10537   int wrap_dy = lev_fieldy - dy;
10538   int x, y;
10539
10540   for (x = 0; x < lev_fieldx; x++)
10541     for (y = 0; y < lev_fieldy; y++)
10542       FieldBackup[x][y] = Feld[x][y];
10543
10544   for (x = 0; x < lev_fieldx; x++)
10545     for (y = 0; y < lev_fieldy; y++)
10546       Feld[x][y] =
10547         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10548
10549   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10550   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10551 }
10552
10553 static void HandleDrawingAreas(struct GadgetInfo *gi)
10554 {
10555   static boolean started_inside_drawing_area = FALSE;
10556   int id = gi->custom_id;
10557   boolean button_press_event;
10558   boolean button_release_event;
10559   boolean inside_drawing_area = !gi->event.off_borders;
10560   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10561   int actual_drawing_function;
10562   int button = gi->event.button;
10563   int new_element = BUTTON_ELEMENT(button);
10564   int sx = gi->event.x, sy = gi->event.y;
10565   int min_sx = 0, min_sy = 0;
10566   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10567   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10568   int lx = 0, ly = 0;
10569   int min_lx = 0, min_ly = 0;
10570   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10571   int x, y;
10572
10573   /* handle info callback for each invocation of action callback */
10574   gi->callback_info(gi);
10575
10576   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10577   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10578
10579   /* make sure to stay inside drawing area boundaries */
10580   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10581   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10582
10583   if (draw_level)
10584   {
10585     /* get positions inside level field */
10586     lx = sx + level_xpos;
10587     ly = sy + level_ypos;
10588
10589     if (!IN_LEV_FIELD(lx, ly))
10590       inside_drawing_area = FALSE;
10591
10592     /* make sure to stay inside level field boundaries */
10593     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10594     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10595
10596     /* correct drawing area positions accordingly */
10597     sx = lx - level_xpos;
10598     sy = ly - level_ypos;
10599   }
10600
10601   if (button_press_event)
10602     started_inside_drawing_area = inside_drawing_area;
10603
10604   if (!started_inside_drawing_area)
10605     return;
10606
10607   if (!IS_VALID_BUTTON(button))
10608     return;
10609
10610   if (!button && !button_release_event)
10611     return;
10612
10613   /* automatically switch to 'single item' drawing mode, if needed */
10614   actual_drawing_function =
10615     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10616      drawing_function : GADGET_ID_SINGLE_ITEMS);
10617
10618   /* clicking into drawing area with pressed Control key picks element */
10619   if (GetKeyModState() & KMOD_Control)
10620   {
10621     last_drawing_function = drawing_function;
10622     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10623   }
10624
10625   if (GetKeyModState() & KMOD_Shift)
10626   {
10627     if (button_press_event || button_release_event)
10628       ResetIntelliDraw();
10629   }
10630
10631   switch (actual_drawing_function)
10632   {
10633     case GADGET_ID_SINGLE_ITEMS:
10634       if (draw_level)
10635       {
10636         if (button_release_event)
10637         {
10638           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10639
10640           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10641               !inside_drawing_area)
10642             DeleteBrushFromCursor();
10643
10644 #if 0
10645           ResetIntelliDraw();
10646 #endif
10647         }
10648
10649         if (!button || button_release_event)
10650           break;
10651
10652         if (draw_with_brush)
10653         {
10654 #if 0
10655           if (!button_release_event)
10656 #endif
10657             CopyBrushToLevel(sx, sy, button);
10658         }
10659 #if 1
10660         else
10661 #else
10662         else if (new_element != Feld[lx][ly])
10663 #endif
10664         {
10665           if (new_element == EL_PLAYER_1)
10666           {
10667             /* remove player at old position */
10668             for (y = 0; y < lev_fieldy; y++)
10669             {
10670               for (x = 0; x < lev_fieldx; x++)
10671               {
10672                 if (Feld[x][y] == EL_PLAYER_1)
10673                 {
10674 #if 1
10675                   SetElement(x, y, EL_EMPTY);
10676 #else
10677                   Feld[x][y] = EL_EMPTY;
10678 #if 1
10679                   if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
10680                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10681 #else
10682                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
10683                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
10684                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10685 #endif
10686 #endif
10687                 }
10688               }
10689             }
10690           }
10691
10692 #if 1
10693           SetElementButton(lx, ly, new_element, button);
10694 #else
10695           Feld[lx][ly] = new_element;
10696           DrawMiniElement(sx, sy, new_element);
10697 #endif
10698         }
10699       }
10700       else
10701       {
10702         int type_id = gi->custom_type_id;
10703         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10704
10705         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10706           DrawMiniGraphicExt(drawto,
10707                              gi->x + sx * MINI_TILEX,
10708                              gi->y + sy * MINI_TILEY,
10709                              el2edimg(new_element));
10710         else
10711           DrawGraphicExt(drawto,
10712                          gi->x + sx * TILEX,
10713                          gi->y + sy * TILEY,
10714                          el2img(new_element), 0);
10715
10716         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10717           new_element = GFX_ELEMENT(new_element);
10718
10719         drawingarea_info[type_id].value[pos] = new_element;
10720
10721         CopyElementPropertiesToGame(properties_element);
10722
10723         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10724         {
10725           UpdateCustomElementGraphicGadgets();
10726
10727           FrameCounter = 0;     /* restart animation frame counter */
10728         }
10729       }
10730       break;
10731
10732     case GADGET_ID_CONNECTED_ITEMS:
10733       {
10734         static int last_sx = -1;
10735         static int last_sy = -1;
10736
10737         if (button_release_event)
10738           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10739
10740         if (button)
10741         {
10742           if (!button_press_event)
10743             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10744
10745           last_sx = sx;
10746           last_sy = sy;
10747         }
10748       }
10749       break;
10750
10751     case GADGET_ID_LINE:
10752     case GADGET_ID_ARC:
10753     case GADGET_ID_RECTANGLE:
10754     case GADGET_ID_FILLED_BOX:
10755     case GADGET_ID_GRAB_BRUSH:
10756     case GADGET_ID_TEXT:
10757       {
10758         static int last_sx = -1;
10759         static int last_sy = -1;
10760         static int start_sx = -1;
10761         static int start_sy = -1;
10762         void (*draw_func)(int, int, int, int, int, boolean);
10763
10764         if (drawing_function == GADGET_ID_LINE)
10765           draw_func = DrawLine;
10766         else if (drawing_function == GADGET_ID_ARC)
10767           draw_func = DrawArc;
10768         else if (drawing_function == GADGET_ID_RECTANGLE)
10769           draw_func = DrawBox;
10770         else if (drawing_function == GADGET_ID_FILLED_BOX)
10771           draw_func = DrawFilledBox;
10772         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10773           draw_func = SelectArea;
10774         else /* (drawing_function == GADGET_ID_TEXT) */
10775           draw_func = SetTextCursor;
10776
10777         if (button_press_event)
10778         {
10779           draw_func(sx, sy, sx, sy, new_element, FALSE);
10780           start_sx = last_sx = sx;
10781           start_sy = last_sy = sy;
10782
10783           if (drawing_function == GADGET_ID_TEXT)
10784             DrawLevelText(0, 0, 0, TEXT_END);
10785         }
10786         else if (button_release_event)
10787         {
10788           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10789           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10790           {
10791             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10792             CopyBrushToCursor(sx, sy);
10793             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10794                           MB_LEFTBUTTON);
10795             draw_with_brush = TRUE;
10796           }
10797           else if (drawing_function == GADGET_ID_TEXT)
10798             DrawLevelText(sx, sy, 0, TEXT_INIT);
10799           else
10800             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10801         }
10802         else if (last_sx != sx || last_sy != sy)
10803         {
10804           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10805           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10806           last_sx = sx;
10807           last_sy = sy;
10808         }
10809       }
10810       break;
10811
10812     case GADGET_ID_FLOOD_FILL:
10813       if (button_press_event && Feld[lx][ly] != new_element)
10814       {
10815         FloodFill(lx, ly, new_element);
10816         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10817         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10818       }
10819       break;
10820
10821     case GADGET_ID_PICK_ELEMENT:
10822       if (button_release_event)
10823         ClickOnGadget(level_editor_gadget[last_drawing_function],
10824                       MB_LEFTBUTTON);
10825       else if (draw_level)
10826         PickDrawingElement(button, Feld[lx][ly]);
10827       else
10828       {
10829         int type_id = gi->custom_type_id;
10830         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10831
10832         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10833       }
10834
10835       break;
10836
10837     default:
10838       break;
10839   }
10840 }
10841
10842 static void HandleCounterButtons(struct GadgetInfo *gi)
10843 {
10844   int gadget_id = gi->custom_id;
10845   int counter_id = gi->custom_type_id;
10846   int button = gi->event.button;
10847   int *counter_value = counterbutton_info[counter_id].value;
10848   int step = BUTTON_STEPSIZE(button) *
10849     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10850
10851   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10852   {
10853     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10854     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10855     boolean level_changed = LevelChanged();
10856
10857     if ((level_changed && pressed) || (!level_changed && released))
10858       return;
10859
10860     if (level_changed && !Request("Level has changed ! Discard changes ?",
10861                                   REQ_ASK))
10862     {
10863       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10864         ModifyEditorCounterValue(counter_id, *counter_value);
10865
10866       return;
10867     }
10868   }
10869
10870   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10871     *counter_value = gi->textinput.number_value;
10872   else
10873     ModifyEditorCounterValue(counter_id, *counter_value + step);
10874
10875   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10876   {
10877       LoadLevel(level_nr);
10878       LoadScore(level_nr);
10879
10880       TapeErase();
10881
10882       ResetUndoBuffer();
10883       DrawEditModeWindow();
10884
10885       return;
10886   }
10887
10888   switch (counter_id)
10889   {
10890     case ED_COUNTER_ID_YAMYAM_CONTENT:
10891       DrawYamYamContentAreas();
10892       break;
10893
10894     case ED_COUNTER_ID_BALL_CONTENT:
10895       DrawMagicBallContentAreas();
10896       break;
10897
10898     case ED_COUNTER_ID_ANDROID_CONTENT:
10899       DrawAndroidElementArea(properties_element);
10900       break;
10901
10902     case ED_COUNTER_ID_GROUP_CONTENT:
10903       DrawGroupElementArea(properties_element);
10904       CopyGroupElementPropertiesToGame(properties_element);
10905       break;
10906
10907     case ED_COUNTER_ID_INVENTORY_SIZE:
10908       DrawPlayerInitialInventoryArea(properties_element);
10909       break;
10910
10911     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10912     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10913       DrawEnvelopeTextArea(-1);
10914       break;
10915
10916     case ED_COUNTER_ID_LEVEL_XSIZE:
10917     case ED_COUNTER_ID_LEVEL_YSIZE:
10918       lev_fieldx = level.fieldx;
10919       lev_fieldy = level.fieldy;
10920       break;
10921
10922     default:
10923       break;
10924   }
10925
10926   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10927        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10928       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10929        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10930     CopyElementPropertiesToGame(properties_element);
10931
10932   level.changed = TRUE;
10933 }
10934
10935 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10936 {
10937   int type_id = gi->custom_type_id;
10938
10939   strcpy(textinput_info[type_id].value, gi->textinput.value);
10940
10941   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10942   {
10943     CopyElementPropertiesToGame(properties_element);
10944
10945     ModifyEditorElementList();  /* update changed button info text */
10946   }
10947
10948   level.changed = TRUE;
10949 }
10950
10951 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10952 {
10953   int type_id = gi->custom_type_id;
10954
10955 #if 1
10956   strncpy(textarea_info[type_id].value, gi->textarea.value,
10957           MAX_ENVELOPE_TEXT_LEN);
10958   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10959 #else
10960   /* !!! BUGGY !!! MAX_ENVELOPE_TEXT_LEN != MAX_GADGET_TEXTSIZE !!! */
10961   strcpy(textarea_info[type_id].value, gi->textarea.value);
10962 #endif
10963
10964   level.changed = TRUE;
10965 }
10966
10967 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10968 {
10969   int type_id = gi->custom_type_id;
10970   int value_old = *selectbox_info[type_id].value;
10971   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10972
10973   *selectbox_info[type_id].value = value_new;
10974
10975   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10976   {
10977     element_info[properties_element].current_change_page = gi->selectbox.index;
10978
10979     DrawPropertiesWindow();
10980   }
10981   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10982             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10983            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10984             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10985            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10986   {
10987     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10988     {
10989       /* when changing action type, also check action mode and action arg */
10990       if (value_old != value_new)
10991         setSelectboxSpecialActionVariablesIfNeeded();
10992
10993       DrawPropertiesChange();
10994     }
10995
10996     CopyElementPropertiesToGame(properties_element);
10997
10998     level.changed = TRUE;
10999   }
11000 }
11001
11002 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11003 {
11004   int type_id = gi->custom_type_id;
11005   int i;
11006
11007   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11008       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11009   {
11010     edit_mode_levelinfo = gi->custom_type_id;
11011
11012     DrawLevelInfoWindow();
11013   }
11014   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11015            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11016   {
11017     edit_mode_properties = gi->custom_type_id;
11018
11019     DrawPropertiesWindow();
11020   }
11021   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11022   {
11023     char *template_filename = getDefaultLevelFilename(-1);
11024     boolean new_template = !fileExists(template_filename);
11025
11026     /* backup original "level.field" (needed to track playfield changes) */
11027     CopyPlayfield(level.field, FieldBackup);
11028
11029     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11030     CopyPlayfield(Feld, level.field);
11031
11032     if (new_template ||
11033         Request("Save this template and kill the old ?", REQ_ASK))
11034       SaveLevelTemplate();
11035
11036     if (new_template)
11037       Request("Template saved !", REQ_CONFIRM);
11038
11039     /* restore original "level.field" (needed to track playfield changes) */
11040     CopyPlayfield(FieldBackup, level.field);
11041   }
11042   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11043            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11044   {
11045     struct ElementInfo *ei = &element_info[properties_element];
11046
11047     setElementChangePages(ei, ei->num_change_pages + 1);
11048
11049     /* set new change page to be new current change page */
11050     ei->current_change_page = ei->num_change_pages - 1;
11051     ei->change = &ei->change_page[ei->current_change_page];
11052
11053     setElementChangeInfoToDefaults(ei->change);
11054
11055     DrawPropertiesWindow();
11056
11057     level.changed = TRUE;
11058   }
11059   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11060            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11061   {
11062     struct ElementInfo *ei = &element_info[properties_element];
11063
11064     /* copy all change pages after change page to be deleted */
11065     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11066       ei->change_page[i] = ei->change_page[i + 1];
11067
11068     setElementChangePages(ei, ei->num_change_pages - 1);
11069
11070     DrawPropertiesWindow();
11071
11072     level.changed = TRUE;
11073   }
11074 }
11075
11076 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11077 {
11078   int type_id = gi->custom_type_id;
11079
11080   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11081       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11082   {
11083     struct ElementInfo *ei = &element_info[properties_element];
11084     int step = BUTTON_STEPSIZE(gi->event.button);
11085
11086     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11087     ei->current_change_page += step;
11088
11089     if (ei->current_change_page < 0)
11090       ei->current_change_page = 0;
11091     else if (ei->current_change_page >= ei->num_change_pages)
11092       ei->current_change_page = ei->num_change_pages - 1;
11093
11094     DrawPropertiesWindow();
11095   }
11096   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11097            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11098   {
11099     struct ElementInfo *ei = &element_info[properties_element];
11100     int current_change_page = ei->current_change_page;
11101
11102     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11103       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11104         ei->change_page[current_change_page];
11105     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11106     {
11107       ei->change_page[current_change_page] =
11108         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11109
11110       level.changed = TRUE;
11111     }
11112
11113     DrawPropertiesWindow();
11114   }
11115 }
11116
11117 static void HandleRadiobuttons(struct GadgetInfo *gi)
11118 {
11119   *radiobutton_info[gi->custom_type_id].value =
11120     radiobutton_info[gi->custom_type_id].checked_value;
11121
11122   level.changed = TRUE;
11123 }
11124
11125 static void HandleCheckbuttons(struct GadgetInfo *gi)
11126 {
11127   int type_id = gi->custom_type_id;
11128
11129   *checkbutton_info[type_id].value ^= TRUE;
11130
11131   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11132       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11133       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11134       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11135          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11136         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11137          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11138        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11139   {
11140     CopyElementPropertiesToGame(properties_element);
11141   }
11142
11143   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11144   {
11145     UpdateCustomElementGraphicGadgets();
11146   }
11147   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11148   {
11149     char *template_filename = getDefaultLevelFilename(-1);
11150
11151     if (level.use_custom_template && !fileExists(template_filename))
11152     {
11153       Request("No level template found !", REQ_CONFIRM);
11154
11155       level.use_custom_template = FALSE;
11156       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11157
11158       return;
11159     }
11160
11161     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11162
11163     DrawEditModeWindow();
11164   }
11165
11166   level.changed = TRUE;
11167 }
11168
11169 static void HandleControlButtons(struct GadgetInfo *gi)
11170 {
11171   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11172   static int last_edit_mode = ED_MODE_DRAWING;
11173   static int last_custom_copy_mode = -1;
11174   int id = gi->custom_id;
11175   int button = gi->event.button;
11176   int step = BUTTON_STEPSIZE(button);
11177   int new_element = BUTTON_ELEMENT(button);
11178   int x, y;
11179
11180   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11181     DrawLevelText(0, 0, 0, TEXT_END);
11182
11183   if (id < ED_NUM_CTRL1_BUTTONS &&
11184       id != GADGET_ID_SINGLE_ITEMS &&
11185       id != GADGET_ID_PROPERTIES &&
11186       id != GADGET_ID_PICK_ELEMENT &&
11187       edit_mode != ED_MODE_DRAWING &&
11188       drawing_function != GADGET_ID_PICK_ELEMENT &&
11189       !(GetKeyModState() & KMOD_Control))
11190   {
11191     DrawDrawingWindow();
11192     edit_mode = ED_MODE_DRAWING;
11193   }
11194
11195   /* element copy mode active, but no element button pressed => deactivate */
11196   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11197     last_custom_copy_mode = -1;
11198
11199   switch (id)
11200   {
11201     case GADGET_ID_SCROLL_LEFT:
11202       if (level_xpos >= 0)
11203       {
11204         if (lev_fieldx < ed_fieldx - 2)
11205           break;
11206
11207         level_xpos -= step;
11208         if (level_xpos < -1)
11209           level_xpos = -1;
11210         if (button == 1)
11211           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11212         else
11213           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11214
11215         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11216                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11217       }
11218       break;
11219
11220     case GADGET_ID_SCROLL_RIGHT:
11221       if (level_xpos <= lev_fieldx - ed_fieldx)
11222       {
11223         if (lev_fieldx < ed_fieldx - 2)
11224           break;
11225
11226         level_xpos += step;
11227         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11228           level_xpos = lev_fieldx - ed_fieldx + 1;
11229         if (button == 1)
11230           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11231         else
11232           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11233
11234         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11235                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11236       }
11237       break;
11238
11239     case GADGET_ID_SCROLL_UP:
11240       if (level_ypos >= 0)
11241       {
11242         if (lev_fieldy < ed_fieldy - 2)
11243           break;
11244
11245         level_ypos -= step;
11246         if (level_ypos < -1)
11247           level_ypos = -1;
11248         if (button == 1)
11249           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11250         else
11251           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11252
11253         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11254                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11255       }
11256       break;
11257
11258     case GADGET_ID_SCROLL_DOWN:
11259       if (level_ypos <= lev_fieldy - ed_fieldy)
11260       {
11261         if (lev_fieldy < ed_fieldy - 2)
11262           break;
11263
11264         level_ypos += step;
11265         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11266           level_ypos = lev_fieldy - ed_fieldy + 1;
11267         if (button == 1)
11268           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11269         else
11270           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11271
11272         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11273                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11274       }
11275       break;
11276
11277     case GADGET_ID_SCROLL_HORIZONTAL:
11278       level_xpos = gi->event.item_position - 1;
11279       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11280       break;
11281
11282     case GADGET_ID_SCROLL_VERTICAL:
11283       level_ypos = gi->event.item_position - 1;
11284       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11285       break;
11286
11287     case GADGET_ID_SCROLL_LIST_UP:
11288     case GADGET_ID_SCROLL_LIST_DOWN:
11289     case GADGET_ID_SCROLL_LIST_VERTICAL:
11290       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11291         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11292       else
11293       {
11294         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11295         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11296
11297         if (element_shift < 0)
11298           element_shift = 0;
11299         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11300           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11301
11302         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11303                      GDI_SCROLLBAR_ITEM_POSITION,
11304                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11305       }
11306
11307       ModifyEditorElementList();
11308
11309       break;
11310
11311     case GADGET_ID_WRAP_LEFT:
11312       WrapLevel(-step, 0);
11313       break;
11314
11315     case GADGET_ID_WRAP_RIGHT:
11316       WrapLevel(step, 0);
11317       break;
11318
11319     case GADGET_ID_WRAP_UP:
11320       WrapLevel(0, -step);
11321       break;
11322
11323     case GADGET_ID_WRAP_DOWN:
11324       WrapLevel(0, step);
11325       break;
11326
11327     case GADGET_ID_SINGLE_ITEMS:
11328     case GADGET_ID_CONNECTED_ITEMS:
11329     case GADGET_ID_LINE:
11330     case GADGET_ID_ARC:
11331     case GADGET_ID_TEXT:
11332     case GADGET_ID_RECTANGLE:
11333     case GADGET_ID_FILLED_BOX:
11334     case GADGET_ID_FLOOD_FILL:
11335     case GADGET_ID_GRAB_BRUSH:
11336     case GADGET_ID_PICK_ELEMENT:
11337       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11338         last_drawing_function = drawing_function;
11339       drawing_function = id;
11340       draw_with_brush = FALSE;
11341       break;
11342
11343     case GADGET_ID_RANDOM_PLACEMENT:
11344       RandomPlacement(new_element);
11345       break;
11346
11347     case GADGET_ID_PROPERTIES:
11348       if (edit_mode != ED_MODE_PROPERTIES)
11349       {
11350         properties_element = new_element;
11351         DrawPropertiesWindow();
11352         edit_mode = ED_MODE_PROPERTIES;
11353
11354         last_level_drawing_function = drawing_function;
11355         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11356                       MB_LEFTBUTTON);
11357       }
11358       else
11359       {
11360         DrawDrawingWindow();
11361         edit_mode = ED_MODE_DRAWING;
11362
11363         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11364                       MB_LEFTBUTTON);
11365       }
11366       break;
11367
11368     case GADGET_ID_CUSTOM_COPY_FROM:
11369     case GADGET_ID_CUSTOM_COPY_TO:
11370     case GADGET_ID_CUSTOM_EXCHANGE:
11371       last_custom_copy_mode = id;
11372       last_drawing_function = drawing_function;
11373       break;
11374
11375     case GADGET_ID_CUSTOM_COPY:
11376       CopyCustomElement(properties_element, -1, id);
11377       break;
11378
11379     case GADGET_ID_CUSTOM_PASTE:
11380       CopyCustomElement(-1, properties_element, id);
11381       break;
11382
11383     case GADGET_ID_UNDO:
11384       if (undo_buffer_steps == 0)
11385       {
11386         Request("Undo buffer empty !", REQ_CONFIRM);
11387         break;
11388       }
11389
11390       if (edit_mode != ED_MODE_DRAWING)
11391       {
11392         DrawDrawingWindow();
11393         edit_mode = ED_MODE_DRAWING;
11394       }
11395
11396       undo_buffer_position =
11397         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11398       undo_buffer_steps--;
11399
11400       for (x = 0; x < lev_fieldx; x++)
11401         for (y = 0; y < lev_fieldy; y++)
11402           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11403
11404       /* check if undo operation forces change of border style */
11405       CheckLevelBorderElement(FALSE);
11406
11407       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11408
11409       break;
11410
11411     case GADGET_ID_INFO:
11412       if (edit_mode != ED_MODE_INFO)
11413       {
11414         last_edit_mode = edit_mode;
11415         edit_mode = ED_MODE_INFO;
11416
11417         DrawLevelInfoWindow();
11418       }
11419       else
11420       {
11421         edit_mode = last_edit_mode;
11422
11423         DrawEditModeWindow();
11424       }
11425       break;
11426
11427     case GADGET_ID_CLEAR:
11428       if (edit_mode != ED_MODE_DRAWING)
11429       {
11430         DrawDrawingWindow();
11431         edit_mode = ED_MODE_DRAWING;
11432       }
11433
11434       for (x = 0; x < MAX_LEV_FIELDX; x++)
11435         for (y = 0; y < MAX_LEV_FIELDY; y++)
11436           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11437
11438       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11439
11440       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11441       break;
11442
11443     case GADGET_ID_SAVE:
11444     {
11445       /* saving read-only levels into personal level set modifies global vars
11446          "leveldir_current" and "level_nr"; restore them after saving level */
11447       LevelDirTree *leveldir_former = leveldir_current;
11448       int level_nr_former = level_nr;
11449       char *level_filename;
11450       boolean new_level;
11451
11452       if (leveldir_current->readonly &&
11453           !PrepareSavingIntoPersonalLevelSet())
11454         break;
11455
11456       level_filename = getDefaultLevelFilename(level_nr);
11457       new_level = !fileExists(level_filename);
11458
11459       if (new_level ||
11460           Request("Save this level and kill the old ?", REQ_ASK))
11461       {
11462         if (leveldir_former->readonly)
11463           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11464
11465         CopyPlayfield(Feld, level.field);
11466         SaveLevel(level_nr);
11467
11468         level.changed = FALSE;
11469
11470         if (new_level)
11471         {
11472           char level_saved_msg[64];
11473
11474           if (leveldir_former->readonly)
11475             sprintf(level_saved_msg,
11476                     "Level saved as level %d into personal level set !",
11477                     level_nr);
11478           else
11479             strcpy(level_saved_msg, "Level saved !");
11480
11481           Request(level_saved_msg, REQ_CONFIRM);
11482         }
11483       }
11484
11485       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11486       leveldir_current = leveldir_former;
11487       level_nr = level_nr_former;
11488
11489       break;
11490     }
11491
11492     case GADGET_ID_TEST:
11493       if (LevelChanged())
11494         level.game_version = GAME_VERSION_ACTUAL;
11495
11496       CopyPlayfield(level.field, FieldBackup);
11497       CopyPlayfield(Feld, level.field);
11498
11499       CopyNativeLevel_RND_to_Native(&level);
11500
11501       UnmapLevelEditorGadgets();
11502       UndrawSpecialEditorDoor();
11503
11504       CloseDoor(DOOR_CLOSE_ALL);
11505
11506       BackToFront();            /* force redraw of undrawn special door */
11507
11508       DrawCompleteVideoDisplay();
11509
11510       level_editor_test_game = TRUE;
11511
11512       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11513
11514       break;
11515
11516     case GADGET_ID_EXIT:
11517       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11518       break;
11519
11520     default:
11521       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11522           id <= GADGET_ID_ELEMENTLIST_LAST)
11523       {
11524         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11525         int new_element = editor_elements[element_position + element_shift];
11526
11527         if (IS_EDITOR_CASCADE(new_element))
11528         {
11529           int i;
11530
11531           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11532           {
11533             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11534             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11535
11536             if (*cascade_element == new_element)
11537             {
11538               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11539               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11540
11541               /* update element selection list */
11542               ReinitializeElementList();
11543               ModifyEditorElementList();
11544
11545               /* update cascading gadget info text */
11546               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11547
11548               /* save current editor cascading state */
11549               SaveSetup_EditorCascade();
11550
11551               break;
11552             }
11553           }
11554
11555           break;
11556         }
11557
11558         if (last_custom_copy_mode != -1)
11559         {
11560           if (CopyCustomElement(properties_element, new_element,
11561                                 last_custom_copy_mode))
11562           {
11563             ClickOnGadget(level_editor_gadget[last_drawing_function],
11564                           MB_LEFTBUTTON);
11565
11566             last_custom_copy_mode = -1;
11567           }
11568
11569           break;
11570         }
11571
11572         PickDrawingElement(button, new_element);
11573
11574         if (!stick_element_properties_window &&
11575             drawing_function != GADGET_ID_PICK_ELEMENT &&
11576             !(GetKeyModState() & KMOD_Control))
11577         {
11578           properties_element = new_element;
11579           if (edit_mode == ED_MODE_PROPERTIES)
11580             DrawPropertiesWindow();
11581         }
11582
11583         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11584           ClickOnGadget(level_editor_gadget[last_drawing_function],
11585                         MB_LEFTBUTTON);
11586       }
11587 #ifdef DEBUG
11588       else if (gi->event.type == GD_EVENT_PRESSED)
11589         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11590       else if (gi->event.type == GD_EVENT_RELEASED)
11591         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11592       else if (gi->event.type == GD_EVENT_MOVING)
11593         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11594       else
11595         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11596 #endif
11597       break;
11598   }
11599 }
11600
11601 void HandleLevelEditorKeyInput(Key key)
11602 {
11603   char letter = getCharFromKey(key);
11604   int button = MB_LEFTBUTTON;
11605
11606   if (drawing_function == GADGET_ID_TEXT &&
11607       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11608   {
11609     if (letter)
11610       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11611     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11612       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11613     else if (key == KSYM_Return)
11614       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11615     else if (key == KSYM_Escape)
11616       DrawLevelText(0, 0, 0, TEXT_END);
11617   }
11618   else if (button_status == MB_RELEASED)
11619   {
11620     int id = GADGET_ID_NONE;
11621     int new_element_shift = element_shift;
11622     int i;
11623
11624     switch (key)
11625     {
11626       case KSYM_Left:
11627         id = GADGET_ID_SCROLL_LEFT;
11628         break;
11629       case KSYM_Right:
11630         id = GADGET_ID_SCROLL_RIGHT;
11631         break;
11632       case KSYM_Up:
11633         id = GADGET_ID_SCROLL_UP;
11634         break;
11635       case KSYM_Down:
11636         id = GADGET_ID_SCROLL_DOWN;
11637         break;
11638       case KSYM_Page_Up:
11639         id = GADGET_ID_SCROLL_LIST_UP;
11640         button = MB_RIGHTBUTTON;
11641         break;
11642       case KSYM_Page_Down:
11643         id = GADGET_ID_SCROLL_LIST_DOWN;
11644         button = MB_RIGHTBUTTON;
11645         break;
11646
11647       case KSYM_Home:
11648       case KSYM_End:
11649         element_shift = (key == KSYM_Home ? 0 :
11650                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11651
11652         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11653                      GDI_SCROLLBAR_ITEM_POSITION,
11654                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11655
11656         ModifyEditorElementList();
11657
11658         break;
11659
11660       case KSYM_Insert:
11661       case KSYM_Delete:
11662
11663         /* this is needed to prevent interference with running "True X-Mouse" */
11664         if (GetKeyModStateFromEvents() & KMOD_Control)
11665           break;
11666
11667         /* check for last or next editor cascade block in element list */
11668         for (i = 0; i < num_editor_elements; i++)
11669         {
11670           if ((key == KSYM_Insert && i == element_shift) ||
11671               (key == KSYM_Delete && new_element_shift > element_shift))
11672             break;
11673
11674           /* jump to next cascade block (or to start of element list) */
11675           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11676             new_element_shift = i;
11677         }
11678
11679         if (i < num_editor_elements)
11680           element_shift = new_element_shift;
11681
11682         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11683           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11684
11685         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11686                      GDI_SCROLLBAR_ITEM_POSITION,
11687                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11688
11689         ModifyEditorElementList();
11690
11691         break;
11692
11693       case KSYM_Escape:
11694         if (edit_mode == ED_MODE_DRAWING)
11695         {
11696           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11697         }
11698         else if (edit_mode == ED_MODE_INFO)
11699         {
11700           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11701         }
11702         else if (edit_mode == ED_MODE_PROPERTIES)
11703         {
11704           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11705         }
11706         else            /* should never happen */
11707         {
11708           DrawDrawingWindow();
11709           edit_mode = ED_MODE_DRAWING;
11710         }
11711
11712         break;
11713
11714       default:
11715         break;
11716     }
11717
11718     if (id != GADGET_ID_NONE)
11719       ClickOnGadget(level_editor_gadget[id], button);
11720     else if (letter == '.')
11721       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11722     else if (key == KSYM_Return ||
11723              key == KSYM_space ||
11724              key == setup.shortcut.toggle_pause)
11725       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11726     else
11727       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11728         if (letter && letter == control_info[i].shortcut)
11729           if (!anyTextGadgetActive())
11730             ClickOnGadget(level_editor_gadget[i], button);
11731   }
11732 }
11733
11734 void HandleLevelEditorIdle()
11735 {
11736   static unsigned long action_delay = 0;
11737   unsigned long action_delay_value = GameFrameDelay;
11738   int xpos = 1, ypos = 2;
11739   int i;
11740
11741   if (edit_mode != ED_MODE_PROPERTIES)
11742     return;
11743
11744   if (!DelayReached(&action_delay, action_delay_value))
11745     return;
11746
11747   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11748   {
11749     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11750
11751     if (gi->mapped && gi->active && gi->selectbox.open)
11752       return;
11753   }
11754
11755   DrawEditorElementAnimation(SX + xpos * TILEX,
11756                              SY + ypos * TILEY + MINI_TILEY / 2);
11757
11758   MarkTileDirty(xpos, ypos);
11759   MarkTileDirty(xpos, ypos + 1);
11760
11761   FrameCounter++;       /* increase animation frame counter */
11762 }
11763
11764 void ClearEditorGadgetInfoText()
11765 {
11766   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11767 }
11768
11769 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11770 {
11771   char infotext[MAX_OUTPUT_LINESIZE + 1];
11772   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11773   int max_infotext_len = getMaxInfoTextLength();
11774
11775   if (gi == NULL || gi->info_text == NULL)
11776     return;
11777
11778   strncpy(infotext, gi->info_text, max_infotext_len);
11779   infotext[max_infotext_len] = '\0';
11780
11781   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11782   {
11783     int key = control_info[gi->custom_id].shortcut;
11784
11785     if (key)
11786     {
11787       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11788         sprintf(shortcut, " ('.' or '%c')", key);
11789       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11790         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11791       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11792         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11793       else                                              /* normal case */
11794         sprintf(shortcut, " ('%s%c')",
11795                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11796
11797       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11798         strcat(infotext, shortcut);
11799     }
11800   }
11801
11802   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11803 }
11804
11805 void HandleEditorGadgetInfoText(void *ptr)
11806 {
11807   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11808
11809   if (game_status != GAME_MODE_EDITOR)
11810     return;
11811
11812   ClearEditorGadgetInfoText();
11813
11814   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11815     return;
11816
11817   /* misuse this function to delete brush cursor, if needed */
11818   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11819     DeleteBrushFromCursor();
11820
11821   PrintEditorGadgetInfoText(gi);
11822 }
11823
11824 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11825 {
11826   static int start_lx, start_ly;
11827   int id = gi->custom_id;
11828   int type_id = gi->custom_type_id;
11829   int sx = gi->event.x;
11830   int sy = gi->event.y;
11831   int lx = sx + level_xpos;
11832   int ly = sy + level_ypos;
11833   int min_sx = 0, min_sy = 0;
11834   int max_sx = gi->drawing.area_xsize - 1;
11835   int max_sy = gi->drawing.area_ysize - 1;
11836   int actual_drawing_function = drawing_function;
11837   int max_infotext_len = getMaxInfoTextLength();
11838   char infotext[MAX_OUTPUT_LINESIZE + 1];
11839   char *text;
11840
11841   infotext[0] = '\0';           /* start with empty info text */
11842
11843   /* pressed Control key: simulate picking element */
11844   if (GetKeyModState() & KMOD_Control)
11845     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11846
11847   ClearEditorGadgetInfoText();
11848
11849   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11850     return;
11851
11852   /* make sure to stay inside drawing area boundaries */
11853   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11854   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11855
11856   if (id == GADGET_ID_DRAWING_LEVEL)
11857   {
11858     if (button_status)
11859     {
11860       int min_lx = 0, min_ly = 0;
11861       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11862
11863       /* get positions inside level field */
11864       lx = sx + level_xpos;
11865       ly = sy + level_ypos;
11866
11867       /* make sure to stay inside level field boundaries */
11868       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11869       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11870
11871       /* correct drawing area positions accordingly */
11872       sx = lx - level_xpos;
11873       sy = ly - level_ypos;
11874     }
11875
11876     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11877     {
11878       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11879       {
11880         if (gi->event.type == GD_EVENT_PRESSED)
11881         {
11882           start_lx = lx;
11883           start_ly = ly;
11884         }
11885
11886         switch (actual_drawing_function)
11887         {
11888           case GADGET_ID_SINGLE_ITEMS:
11889             text = "Drawing single items";
11890             break;
11891           case GADGET_ID_CONNECTED_ITEMS:
11892             text = "Drawing connected items";
11893             break;
11894           case GADGET_ID_LINE:
11895             text = "Drawing line";
11896             break;
11897           case GADGET_ID_ARC:
11898             text = "Drawing arc";
11899             break;
11900           case GADGET_ID_TEXT:
11901             text = "Setting text cursor";
11902             break;
11903           case GADGET_ID_RECTANGLE:
11904             text = "Drawing rectangle";
11905             break;
11906           case GADGET_ID_FILLED_BOX:
11907             text = "Drawing filled box";
11908             break;
11909           case GADGET_ID_FLOOD_FILL:
11910             text = "Flood fill";
11911             break;
11912           case GADGET_ID_GRAB_BRUSH:
11913             text = "Grabbing brush";
11914             break;
11915           case GADGET_ID_PICK_ELEMENT:
11916             text = "Picking element";
11917             break;
11918
11919           default:
11920             text = "Drawing position";
11921             break;
11922         }
11923
11924         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11925           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11926         else
11927           sprintf(infotext, "%s: %d, %d", text,
11928                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11929       }
11930       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11931         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11932       else
11933         sprintf(infotext, "Level position: %d, %d", lx, ly);
11934     }
11935
11936     /* misuse this function to draw brush cursor, if needed */
11937     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11938     {
11939       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11940         CopyBrushToCursor(sx, sy);
11941       else
11942         DeleteBrushFromCursor();
11943     }
11944   }
11945   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11946   {
11947     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11948     int element = drawingarea_info[type_id].value[pos];
11949
11950     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11951   }
11952   else
11953   {
11954     if (id == GADGET_ID_CUSTOM_CONTENT)
11955       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11956     else if (id == GADGET_ID_GROUP_CONTENT)
11957       sprintf(infotext, "group element position: %d", sx + 1);
11958     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11959              id <= GADGET_ID_YAMYAM_CONTENT_7)
11960       sprintf(infotext, "content area %d position: %d, %d",
11961               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11962     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11963              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11964       sprintf(infotext, "content area %d position: %d, %d",
11965               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11966     else if (id == GADGET_ID_ANDROID_CONTENT)
11967       sprintf(infotext, "android element position: %d", sx + 1);
11968     else if (drawingarea_info[type_id].infotext != NULL)
11969       strcpy(infotext, drawingarea_info[type_id].infotext);
11970   }
11971
11972   infotext[max_infotext_len] = '\0';
11973
11974   if (strlen(infotext) > 0)
11975     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11976 }
11977
11978 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11979                             boolean quick_quit)
11980 {
11981   if (!ask_if_level_has_changed ||
11982       !LevelChanged() ||
11983       Request("Level has changed ! Exit without saving ?",
11984               REQ_ASK | REQ_STAY_OPEN))
11985   {
11986     CloseDoor(DOOR_CLOSE_1);
11987     SetDoorState(DOOR_CLOSE_2);
11988
11989 #if 1
11990     if (quick_quit)
11991       FadeSkipNextFadeIn();
11992 #else
11993     if (quick_quit)
11994       fading = fading_none;
11995 #endif
11996
11997     game_status = GAME_MODE_MAIN;
11998 #if 1
11999     DrawAndFadeInMainMenu(REDRAW_FIELD);
12000 #else
12001     DrawMainMenu();
12002 #endif
12003   }
12004   else
12005   {
12006     CloseDoor(DOOR_CLOSE_1);
12007     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12008   }
12009 }