src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 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 setting windows */
 113 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
 114 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
 115
 116 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
 117                                          2 * ED_GADGET_DISTANCE)
 118
 119 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
 120 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
 121
 122 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
 123                                          (n) * ED_SETTINGS_XOFFSET)
 124 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
 125                                          (n) * ED_SETTINGS_YOFFSET)
 126
 127 #define ED_SETTINGS1_YPOS               MINI_TILEY
 128 #define ED_SETTINGS2_XPOS               MINI_TILEX
 129 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 130
 131 /* values for counter gadgets */
 132 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 133 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 134 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 135                                          (n) * ED_COUNTER_YDISTANCE)
 136 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 137                                          (n) * ED_COUNTER_YDISTANCE - 2)
 138
 139 /* values for element content drawing areas */
 140 /* amoeba content */
 141 #define ED_AREA_AMOEBA_CONTENT_XPOS     ED_SETTINGS_XPOS(0)
 142 #define ED_AREA_AMOEBA_CONTENT_YPOS     (ED_SETTINGS_YPOS(2) + \
 143                                          ED_GADGET_DISTANCE)
 144
 145 /* yamyam content */
 146 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX + \
 147                                          5 * ((n) % 4) * MINI_TILEX)
 148 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (17 * MINI_TILEY + \
 149                                          6 * ((n) / 4) * MINI_TILEY)
 150
 151 /* custom change target */
 152 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(1) + \
 153                                          ED_GADGET_DISTANCE)
 154 /* optional custom graphic */
 155 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 156                                          ED_GADGET_DISTANCE)
 157 /* custom element content */
 158 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 159 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(2) + \
 160                                          ED_GADGET_DISTANCE - MINI_TILEY)
 161 /* movement enter/leave element */
 162 #define ED_AREA_ELEM_CONTENT4a_XPOS     (29 * MINI_TILEX)
 163 #define ED_AREA_ELEM_CONTENT4a_YPOS     (ED_SETTINGS_YPOS(10) + \
 164                                          ED_GADGET_DISTANCE)
 165 #define ED_AREA_ELEM_CONTENT4b_XPOS     (29 * MINI_TILEX)
 166 #define ED_AREA_ELEM_CONTENT4b_YPOS     (ED_SETTINGS_YPOS(10) + \
 167                                          ED_GADGET_DISTANCE)
 168 /* custom change trigger element */
 169 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(5) + \
 170                                          ED_GADGET_DISTANCE)
 171 /* extended custom change target */
 172 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 173 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 174                                          ED_GADGET_DISTANCE - MINI_TILEY)
 175 /* group element content */
 176 #define ED_AREA_GROUP_CONTENT_XPOS      ED_SETTINGS_XPOS(0)
 177 #if 1
 178 #define ED_AREA_GROUP_CONTENT_YPOS      (ED_SETTINGS_YPOS(4) + \
 179                                          ED_GADGET_DISTANCE)
 180 #else
 181 #define ED_AREA_GROUP_CONTENT_YPOS      (22 * MINI_TILEY)
 182 #endif
 183
 184 /* values for random placement background drawing area */
 185 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 186
 187 /* values for scrolling gadgets for drawing area */
 188 #define ED_SCROLLBUTTON_XPOS            24
 189 #define ED_SCROLLBUTTON_YPOS            0
 190 #define ED_SCROLLBAR_XPOS               24
 191 #define ED_SCROLLBAR_YPOS               64
 192
 193 #define ED_SCROLLBUTTON_XSIZE           16
 194 #define ED_SCROLLBUTTON_YSIZE           16
 195
 196 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 197 #define ED_SCROLL_UP_YPOS               (0)
 198 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 199 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 200 #define ED_SCROLL_LEFT_XPOS             (0)
 201 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 202 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 203 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 204 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 205 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 206 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 207 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 208 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 209 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 210 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 211 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 212
 213 /* values for scrolling gadgets for element list */
 214 #define ED_SCROLLBUTTON2_XPOS           50
 215 #define ED_SCROLLBUTTON2_YPOS           0
 216 #define ED_SCROLLBAR2_XPOS              50
 217 #define ED_SCROLLBAR2_YPOS              20
 218
 219 #define ED_SCROLLBUTTON2_XSIZE          10
 220 #define ED_SCROLLBUTTON2_YSIZE          10
 221
 222 #define ED_SCROLL2_UP_XPOS              85
 223 #define ED_SCROLL2_UP_YPOS              30
 224 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 225 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 226                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 227                                          ED_ELEMENTLIST_YSIZE - \
 228                                          ED_SCROLLBUTTON2_YSIZE)
 229 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 230 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 231                                          ED_SCROLLBUTTON2_YSIZE)
 232 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 233 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 234                                          ED_ELEMENTLIST_YSIZE - \
 235                                          2 * ED_SCROLLBUTTON2_YSIZE)
 236
 237 /* values for checkbutton gadgets */
 238 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 239 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 240 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 241 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 242 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 243 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 244 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 245
 246 /* values for some special graphic buttons */
 247 #define ED_COPY_CHANGE_PAGE_XPOS        25
 248 #define ED_COPY_CHANGE_PAGE_YPOS        50
 249 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 250 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 251
 252 /* some values for text input, selectbox and counter gadgets */
 253 #define ED_BUTTON_COUNT_YPOS            60
 254 #define ED_BUTTON_COUNT_XSIZE           20
 255 #define ED_BUTTON_COUNT_YSIZE           20
 256 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 257 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 258 #define ED_WIN_COUNT_XSIZE              52
 259 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 260 #define ED_WIN_COUNT2_XPOS              27
 261 #define ED_WIN_COUNT2_YPOS              3
 262 #define ED_WIN_COUNT2_XSIZE             46
 263 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 264
 265 #define ED_BUTTON_MINUS_XPOS            2
 266 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 267 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 268 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 269 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 270                                          ED_WIN_COUNT_XSIZE + 2)
 271 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 272 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 273 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 274
 275 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 276 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 277                                          2 + ED_WIN_COUNT_YSIZE)
 278 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 279 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 280
 281 #define ED_SELECTBOX_BUTTON_XSIZE       14
 282
 283 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 284 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 285                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 286 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 287
 288 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 289 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 290                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 291 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 292                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 293
 294 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 295 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 296
 297 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 298 #define INFOTEXT_XPOS                   SX
 299 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 300 #define INFOTEXT_XSIZE                  SXSIZE
 301 #define INFOTEXT_YSIZE                  MINI_TILEX
 302
 303
 304 /*
 305   -----------------------------------------------------------------------------
 306   editor gadget definitions
 307   -----------------------------------------------------------------------------
 308 */
 309
 310 /* drawing toolbox buttons */
 311 #define GADGET_ID_NONE                  -1
 312 #define GADGET_ID_TOOLBOX_FIRST         0
 313
 314 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 315 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 316 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 317 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 318 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 319 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 320 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 321 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 322 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 323 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 324 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 325 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 326 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 327 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 328 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 329 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 330
 331 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 332 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 333 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 334 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 335 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 336 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 337
 338 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 339 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 340 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 341 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 342 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 343
 344 /* counter button identifiers */
 345 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 27)
 346
 347 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 348 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 349 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 350 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 351 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 352 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 353 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 354 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 355 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 356 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 357 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 358 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 359 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 360 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 361 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 362 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 363 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 364 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 365 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 366 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 367 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 368 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 369 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 370 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 371 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 372 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 373 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 374 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 375 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 376 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 377 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 378 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 379 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 380 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 381 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 382 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 383 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 384 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 385 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 386 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 387 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 388 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 389 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 390 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 391 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 392 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 393 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 394 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 395 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 396 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 397 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 398 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
 399 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
 400 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 53)
 401 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 402 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 403 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 56)
 404 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 57)
 405 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 58)
 406 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 59)
 407 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 408 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 409 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 62)
 410 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 63)
 411 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 64)
 412 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 65)
 413 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 66)
 414 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 67)
 415 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 68)
 416
 417 /* drawing area identifiers */
 418 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 69)
 419
 420 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 421 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 422 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 423 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 424 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 425 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 426 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 427 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 428 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 429 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 430 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 431 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 432 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 12)
 433 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 434 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 435 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 15)
 436 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 16)
 437 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 17)
 438 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 18)
 439
 440 /* text input identifiers */
 441 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 19)
 442
 443 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 444 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 445 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 446
 447 /* text area identifiers */
 448 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 449
 450 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 451
 452 /* selectbox identifiers */
 453 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 454
 455 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 456 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 1)
 457 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 2)
 458 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 3)
 459 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 4)
 460 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 5)
 461 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 6)
 462 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 7)
 463 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 8)
 464 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 9)
 465 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 10)
 466 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 11)
 467 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 12)
 468 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 13)
 469 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 14)
 470 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 15)
 471 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 16)
 472 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 17)
 473 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 18)
 474 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 19)
 475 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 20)
 476 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 21)
 477 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 22)
 478
 479 /* textbutton identifiers */
 480 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 23)
 481
 482 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 483 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 484 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 485 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 3)
 486 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 487 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 5)
 488 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 6)
 489 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 7)
 490
 491 /* graphicbutton identifiers */
 492 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 8)
 493
 494 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 495 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 496 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 497 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 498
 499 /* gadgets for scrolling of drawing area */
 500 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 501
 502 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 503 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 504 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 505 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 506 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 507 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 508
 509 /* gadgets for scrolling element list */
 510 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 511
 512 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 513 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 514 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 515
 516 /* checkbuttons/radiobuttons for level/element properties */
 517 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 518
 519 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 520 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 521 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 522 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 523 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 524 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 525 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 526 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 527 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 528 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 529 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 530 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 531 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 12)
 532 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 13)
 533 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 14)
 534 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 535 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 16)
 536 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 17)
 537 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 18)
 538 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 19)
 539 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 20)
 540 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 541 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 22)
 542 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 543 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 544 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 545 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 26)
 546 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 547 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 28)
 548 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 29)
 549 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 30)
 550 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 31)
 551 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 32)
 552 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 33)
 553 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 34)
 554
 555 /* gadgets for buttons in element list */
 556 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 35)
 557 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 558                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 559
 560 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 561
 562 /* radio button numbers */
 563 #define RADIO_NR_NONE                   0
 564 #define RADIO_NR_DRAWING_TOOLBOX        1
 565 #define RADIO_NR_RANDOM_ELEMENTS        2
 566
 567 /* values for counter gadgets */
 568 #define ED_COUNTER_ID_SELECT_LEVEL      0
 569 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 570 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 571 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 572 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 573 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 574 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 575 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 576 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 577 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 578 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 579 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 580 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 581 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 582 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 583 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 584 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 585 #define ED_COUNTER_ID_EXPLOSION_DELAY   17
 586 #define ED_COUNTER_ID_IGNITION_DELAY    18
 587 #define ED_COUNTER_ID_GROUP_CONTENT     19
 588 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  20
 589 #define ED_COUNTER_ID_CHANGE_DELAY_RND  21
 590 #define ED_COUNTER_ID_CHANGE_CONT_RND   22
 591
 592 #define ED_NUM_COUNTERBUTTONS           23
 593
 594 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 595 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 596
 597 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 598 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_MOVE_DELAY_RND
 599 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_EXPLOSION_DELAY
 600 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 601 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 602 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 603
 604 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 605 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 606
 607 /* values for scrollbutton gadgets */
 608 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 609 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 610 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 611 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 612 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 613 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 614
 615 #define ED_NUM_SCROLLBUTTONS            6
 616
 617 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 618 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 619
 620 /* values for scrollbar gadgets */
 621 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 622 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 623 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 624
 625 #define ED_NUM_SCROLLBARS               3
 626
 627 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 628 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 629
 630 /* values for text input gadgets */
 631 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 632 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 633 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 634
 635 #define ED_NUM_TEXTINPUT                3
 636
 637 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 638 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 639
 640 /* values for text area gadgets */
 641 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 642
 643 #define ED_NUM_TEXTAREAS                        1
 644
 645 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 646 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 647
 648 /* values for selectbox gadgets */
 649 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 650 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      1
 651 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     2
 652 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 3
 653 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 4
 654 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   5
 655 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     6
 656 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   7
 657 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    8
 658 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  9
 659 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    10
 660 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    11
 661 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       12
 662 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      13
 663 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       14
 664 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    15
 665 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     16
 666 #define ED_SELECTBOX_ID_CHANGE_SIDE             17
 667 #define ED_SELECTBOX_ID_CHANGE_PLAYER           18
 668 #define ED_SELECTBOX_ID_CHANGE_PAGE             19
 669 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     20
 670 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      21
 671 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       22
 672
 673 #define ED_NUM_SELECTBOX                        23
 674
 675 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 676 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_TIME_OR_STEPS
 677
 678 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 679 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE
 680 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_DEADLINESS
 681 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 682 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 683 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 684
 685 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 686 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 687
 688 /* values for textbutton gadgets */
 689 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 690 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 691 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    2
 692 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    3
 693 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      4
 694 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       5
 695 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        6
 696 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        7
 697
 698 #define ED_NUM_TEXTBUTTONS                      8
 699
 700 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 701 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 702
 703 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 704 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 705
 706 /* values for graphicbutton gadgets */
 707 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 708 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 709 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 710 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 711
 712 #define ED_NUM_GRAPHICBUTTONS                   4
 713
 714 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 715 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 716
 717 /* values for checkbutton gadgets */
 718 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 719 #define ED_CHECKBUTTON_ID_GRAVITY               1
 720 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 721 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 722 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 723 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        5
 724 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      6
 725 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   7
 726 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    8
 727 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    9
 728 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    10
 729 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     11
 730 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    12
 731 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   13
 732 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     14
 733 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 15
 734 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       16
 735 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       17
 736 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      18
 737 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       19
 738 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         20
 739 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 21
 740 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   22
 741 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  23
 742 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 24
 743 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     25
 744 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          26
 745 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  27
 746 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   28
 747 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  29
 748 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    30
 749 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  31
 750 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     32
 751
 752 #define ED_NUM_CHECKBUTTONS                     33
 753
 754 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 755 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 756
 757 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 758 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY
 759 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_DEADLY
 760 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 761 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 762 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 763
 764 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 765 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM
 766
 767 /* values for radiobutton gadgets */
 768 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 769 #define ED_RADIOBUTTON_ID_QUANTITY      1
 770
 771 #define ED_NUM_RADIOBUTTONS             2
 772
 773 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 774 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 775
 776 /* values for drawing area gadgets */
 777 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 778 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 779 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 780 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 781 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 782 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 783 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 784 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 785 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 786 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 787 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 788 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 789 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         12
 790 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         13
 791 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      14
 792 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     15
 793 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     16
 794 #define ED_DRAWING_ID_GROUP_CONTENT             17
 795 #define ED_DRAWING_ID_RANDOM_BACKGROUND         18
 796
 797 #define ED_NUM_DRAWING_AREAS                    19
 798
 799
 800 /*
 801   -----------------------------------------------------------------------------
 802   some internally used definitions
 803   -----------------------------------------------------------------------------
 804 */
 805
 806 /* values for CopyLevelToUndoBuffer() */
 807 #define UNDO_IMMEDIATE                  0
 808 #define UNDO_ACCUMULATE                 1
 809
 810 /* values for scrollbars */
 811 #define ED_SCROLL_NO                    0
 812 #define ED_SCROLL_LEFT                  1
 813 #define ED_SCROLL_RIGHT                 2
 814 #define ED_SCROLL_UP                    4
 815 #define ED_SCROLL_DOWN                  8
 816
 817 /* screens in the level editor */
 818 #define ED_MODE_DRAWING                 0
 819 #define ED_MODE_INFO                    1
 820 #define ED_MODE_PROPERTIES              2
 821
 822 /* sub-screens in the element properties section */
 823 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 824 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 825 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 826 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 827 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 828
 829 /* how many steps can be cancelled */
 830 #define NUM_UNDO_STEPS                  (10 + 1)
 831
 832 /* values for elements with score for certain actions */
 833 #define MIN_SCORE                       0
 834 #define MAX_SCORE                       255
 835
 836 /* values for elements with count for collecting */
 837 #define MIN_COLLECT_COUNT               0
 838 #define MAX_COLLECT_COUNT               100
 839
 840 /* values for random placement */
 841 #define RANDOM_USE_PERCENTAGE           0
 842 #define RANDOM_USE_QUANTITY             1
 843
 844 /* maximal size of level editor drawing area */
 845 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 846 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 847
 848
 849 /*
 850   -----------------------------------------------------------------------------
 851   some internally used data structure definitions
 852   -----------------------------------------------------------------------------
 853 */
 854
 855 static struct
 856 {
 857   char shortcut;
 858   char *text;
 859 } control_info[ED_NUM_CTRL_BUTTONS] =
 860 {
 861   { 's',        "draw single items"                     },
 862   { 'd',        "draw connected items"                  },
 863   { 'l',        "draw lines"                            },
 864   { 'a',        "draw arcs"                             },
 865   { 'r',        "draw outline rectangles"               },
 866   { 'R',        "draw filled rectangles"                },
 867   { '\0',       "wrap (rotate) level up"                },
 868   { 't',        "enter text elements"                   },
 869   { 'f',        "flood fill"                            },
 870   { '\0',       "wrap (rotate) level left"              },
 871   { '?',        "properties of drawing element"         },
 872   { '\0',       "wrap (rotate) level right"             },
 873   { '\0',       "random element placement"              },
 874   { 'b',        "grab brush"                            },
 875   { '\0',       "wrap (rotate) level down"              },
 876   { ',',        "pick drawing element"                  },
 877
 878   { 'U',        "undo last operation"                   },
 879   { 'I',        "level properties"                      },
 880   { 'S',        "save level"                            },
 881   { 'C',        "clear level"                           },
 882   { 'T',        "test level"                            },
 883   { 'E',        "exit level editor"                     },
 884
 885   { '\0',       "copy settings from other element"      },
 886   { '\0',       "copy settings to other element"        },
 887   { '\0',       "exchange element with other element"   },
 888
 889   { '\0',       "copy settings from this element"       },
 890   { '\0',       "paste settings to this element"        },
 891 };
 892
 893 static int random_placement_value = 10;
 894 static int random_placement_method = RANDOM_USE_QUANTITY;
 895 static int random_placement_background_element = EL_SAND;
 896 static boolean random_placement_background_restricted = FALSE;
 897 static boolean stick_element_properties_window = FALSE;
 898 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 899 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 900 static struct ElementChangeInfo custom_element_change;
 901 static struct ElementGroupInfo group_element_info;
 902 static struct ElementInfo custom_element;
 903
 904 static struct
 905 {
 906   int x, y;
 907   int min_value, max_value;
 908   int gadget_id_down, gadget_id_up;
 909   int gadget_id_text;
 910   int gadget_id_align;
 911   int *value;
 912   char *text_above, *text_left, *text_right;
 913 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 914 {
 915   /* ---------- level and editor settings ---------------------------------- */
 916
 917   {
 918     DX + 5 - SX,                        DY + 3 - SY,
 919     1,                                  100,
 920     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 921     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 922     &level_nr,
 923     NULL,                               NULL, NULL
 924   },
 925   {
 926     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 927     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 928     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 929     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 930     &level.fieldx,
 931     "playfield size:",                  NULL, "width",
 932   },
 933   {
 934     -1,                                 ED_COUNTER_YPOS(2),
 935     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 936     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 937     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 938     &level.fieldy,
 939     NULL,                               " ", "height",
 940   },
 941   {
 942     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 943     0,                                  999,
 944     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 945     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 946     &level.gems_needed,
 947     "number of gems to collect:",       NULL, NULL
 948   },
 949   {
 950     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 951     0,                                  9999,
 952     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 953     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 954     &level.time,
 955     "time or step limit to solve level:", NULL, NULL
 956   },
 957   {
 958     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 959     0,                                  255,
 960     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 961     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 962     &level.score[SC_TIME_BONUS],
 963     "score for each 10 sec/steps left:", NULL, NULL
 964   },
 965   {
 966     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 967     1,                                  100,
 968     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 969     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 970     &random_placement_value,
 971     "random element placement:",        NULL, "in"
 972   },
 973
 974   /* ---------- element settings: configure (various elements) ------------- */
 975
 976   {
 977     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 978     MIN_SCORE,                          MAX_SCORE,
 979     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 980     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 981     NULL,                               /* will be set when used */
 982     NULL,                               NULL, NULL
 983   },
 984   {
 985     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
 986     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 987     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 988     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 989     &level.num_yamyam_contents,
 990     NULL,                               NULL, "number of content areas"
 991   },
 992   {
 993     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 994     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 995     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 996     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 997     NULL,
 998     NULL,                               NULL, "width",
 999   },
1000   {
1001     -1,                                 ED_SETTINGS_YPOS(0),
1002     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1003     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1004     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1005     NULL,
1006     NULL,                               " ", "height",
1007   },
1008
1009   /* ---------- element settings: configure 1 (custom elements) ------------ */
1010
1011   {
1012     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1013     MIN_SCORE,                          MAX_SCORE,
1014     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1015     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1016     &custom_element.collect_score,
1017     NULL,                               "score", " "
1018   },
1019   {
1020     -1,                                 ED_SETTINGS_YPOS(6),
1021     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1022     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1023     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1024     &custom_element.collect_count,
1025     NULL,                               "count", NULL
1026   },
1027   {
1028     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1029     0,                                  999,
1030     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1031     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1032     &custom_element.push_delay_fixed,
1033     NULL,                               "push delay", NULL
1034   },
1035   {
1036     -1,                                 ED_SETTINGS_YPOS(7),
1037     0,                                  999,
1038     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1039     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1040     &custom_element.push_delay_random,
1041     NULL,                               "+random", NULL
1042   },
1043   {
1044     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1045     0,                                  999,
1046     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1047     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1048     &custom_element.move_delay_fixed,
1049     NULL,                               "move delay", NULL
1050   },
1051   {
1052     -1,                                 ED_SETTINGS_YPOS(12),
1053     0,                                  999,
1054     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1055     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1056     &custom_element.move_delay_random,
1057     NULL,                               "+random", NULL
1058   },
1059
1060   /* ---------- element settings: configure 2 (custom elements) ------------ */
1061
1062   {
1063     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
1064     0,                                  255,
1065     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1066     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1067     &custom_element.explosion_delay,
1068     NULL,                               "explosion delay", NULL
1069   },
1070   {
1071     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1072     0,                                  255,
1073     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1074     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1075     &custom_element.ignition_delay,
1076     NULL,                               "ignition delay", "(by fire)"
1077   },
1078
1079   /* ---------- element settings: configure (group elements) --------------- */
1080
1081   {
1082     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1083     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1084     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1085     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1086     &group_element_info.num_elements,
1087     NULL,                               NULL, "number of elements in group"
1088   },
1089
1090   /* ---------- element settings: advanced (custom elements) --------------- */
1091
1092   {
1093     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(2),
1094     0,                                  999,
1095     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1096     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1097     &custom_element_change.delay_fixed,
1098     NULL,                               "delay", NULL,
1099   },
1100   {
1101     -1,                                 ED_SETTINGS_YPOS(2),
1102     0,                                  999,
1103     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1104     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1105     &custom_element_change.delay_random,
1106     NULL,                               "+random", NULL
1107   },
1108   {
1109     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
1110     0,                                  100,
1111     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1112     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1113     &custom_element_change.random_percentage,
1114     NULL,                               "use random replace:", "%"
1115   },
1116 };
1117
1118 static struct
1119 {
1120   int x, y;
1121   int gadget_id;
1122   int size;
1123   char *value;
1124   char *text_above, *infotext;
1125 } textinput_info[ED_NUM_TEXTINPUT] =
1126 {
1127   {
1128     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
1129     GADGET_ID_LEVEL_NAME,
1130     MAX_LEVEL_NAME_LEN,
1131     level.name,
1132     "Title:", "Title"
1133   },
1134   {
1135     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1136     GADGET_ID_LEVEL_AUTHOR,
1137     MAX_LEVEL_AUTHOR_LEN,
1138     level.author,
1139     "Author:", "Author"
1140   },
1141   {
1142     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1143     GADGET_ID_ELEMENT_NAME,
1144     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1145     custom_element.description,
1146     NULL, "Element name"
1147   }
1148 };
1149
1150 static struct
1151 {
1152   int x, y;
1153   int gadget_id;
1154   int xsize, ysize;
1155   char *value;
1156   char *text_above, *infotext;
1157 } textarea_info[ED_NUM_TEXTAREAS] =
1158 {
1159   {
1160     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1161     GADGET_ID_ENVELOPE_INFO,
1162     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1163     NULL,
1164     "Envelope Info:", "Envelope Info"
1165   }
1166 };
1167
1168 static struct ValueTextInfo options_time_or_steps[] =
1169 {
1170   { 0,                          "seconds"                       },
1171   { 1,                          "steps"                         },
1172
1173   { -1,                         NULL                            }
1174 };
1175
1176 static struct ValueTextInfo options_access_type[] =
1177 {
1178   { EP_WALKABLE,                "walkable"                      },
1179   { EP_PASSABLE,                "passable"                      },
1180
1181   { -1,                         NULL                            }
1182 };
1183
1184 static struct ValueTextInfo options_access_layer[] =
1185 {
1186   { EP_ACCESSIBLE_OVER,         "over"                          },
1187   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1188   { EP_ACCESSIBLE_UNDER,        "under"                         },
1189
1190   { -1,                         NULL                            }
1191 };
1192
1193 static struct ValueTextInfo options_access_protected[] =
1194 {
1195   { 0,                          "unprotected"                   },
1196   { 1,                          "protected"                     },
1197
1198   { -1,                         NULL                            }
1199 };
1200
1201 static struct ValueTextInfo options_access_direction[] =
1202 {
1203   { MV_LEFT,                    "left"                          },
1204   { MV_RIGHT,                   "right"                         },
1205   { MV_UP,                      "up"                            },
1206   { MV_DOWN,                    "down"                          },
1207   { MV_LEFT  | MV_UP,           "left + up"                     },
1208   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1209   { MV_RIGHT | MV_UP,           "right + up"                    },
1210   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1211   { MV_HORIZONTAL,              "horizontal"                    },
1212   { MV_VERTICAL,                "vertical"                      },
1213   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1214   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1215   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1216   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1217   { MV_ALL_DIRECTIONS,          "all directions"                },
1218
1219   { -1,                         NULL                            }
1220 };
1221
1222 static struct ValueTextInfo options_walk_to_action[] =
1223 {
1224   { EP_DIGGABLE,                "diggable"                      },
1225   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1226   { EP_DROPPABLE,               "collectible & droppable"       },
1227   { EP_PUSHABLE,                "pushable"                      },
1228
1229   { -1,                         NULL                            }
1230 };
1231
1232 static struct ValueTextInfo options_move_pattern[] =
1233 {
1234   { MV_LEFT,                    "left"                          },
1235   { MV_RIGHT,                   "right"                         },
1236   { MV_UP,                      "up"                            },
1237   { MV_DOWN,                    "down"                          },
1238   { MV_HORIZONTAL,              "horizontal"                    },
1239   { MV_VERTICAL,                "vertical"                      },
1240   { MV_ALL_DIRECTIONS,          "all directions"                },
1241   { MV_TOWARDS_PLAYER,          "towards player"                },
1242   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1243   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1244   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1245   { MV_TURNING_LEFT,            "turning left"                  },
1246   { MV_TURNING_RIGHT,           "turning right"                 },
1247   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1248   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1249   { MV_TURNING_RANDOM,          "turning random"                },
1250   { MV_WHEN_PUSHED,             "when pushed"                   },
1251   { MV_WHEN_DROPPED,            "when dropped"                  },
1252   { MV_MAZE_RUNNER,             "maze runner style"             },
1253   { MV_MAZE_HUNTER,             "maze hunter style"             },
1254
1255   { -1,                         NULL                            }
1256 };
1257
1258 static struct ValueTextInfo options_move_direction[] =
1259 {
1260   { MV_START_AUTOMATIC,         "automatic"                     },
1261   { MV_START_LEFT,              "left"                          },
1262   { MV_START_RIGHT,             "right"                         },
1263   { MV_START_UP,                "up"                            },
1264   { MV_START_DOWN,              "down"                          },
1265   { MV_START_RANDOM,            "random"                        },
1266   { MV_START_PREVIOUS,          "previous"                      },
1267
1268   { -1,                         NULL                            }
1269 };
1270
1271 static struct ValueTextInfo options_move_stepsize[] =
1272 {
1273   { 1,                          "very slow"                     },
1274   { 2,                          "slow"                          },
1275   { 4,                          "normal"                        },
1276   { 8,                          "fast"                          },
1277   { 16,                         "very fast"                     },
1278 #if 1
1279   { 32,                         "even faster"                   },
1280 #endif
1281
1282   { -1,                         NULL                            }
1283 };
1284
1285 static struct ValueTextInfo options_move_leave_type[] =
1286 {
1287   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1288   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1289
1290   { -1,                         NULL                            }
1291 };
1292
1293 static struct ValueTextInfo options_smash_targets[] =
1294 {
1295   { EP_CAN_SMASH_PLAYER,        "player"                        },
1296 #if 0
1297   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1298 #endif
1299   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1300
1301   { -1,                         NULL                            }
1302 };
1303
1304 static struct ValueTextInfo options_slippery_type[] =
1305 {
1306   { SLIPPERY_ANY_RANDOM,        "random"                        },
1307   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1308   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1309   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1310   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1311
1312   { -1,                         NULL                            }
1313 };
1314
1315 static struct ValueTextInfo options_deadliness[] =
1316 {
1317   { EP_DONT_RUN_INTO,           "running into"                  },
1318   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1319   { EP_DONT_TOUCH,              "touching"                      },
1320
1321   { -1,                         NULL                            }
1322 };
1323
1324 static struct ValueTextInfo options_consistency[] =
1325 {
1326   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1327   { EP_CAN_EXPLODE_CROSS,       "can explode 3+3"               },
1328   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1329   { EP_INDESTRUCTIBLE,          "indestructible"                },
1330
1331   { -1,                         NULL                            }
1332 };
1333
1334 static struct ValueTextInfo options_time_units[] =
1335 {
1336   { 1,                          "frames"                        },
1337   { FRAMES_PER_SECOND,          "seconds"                       },
1338
1339   { -1,                         NULL                            }
1340 };
1341
1342 static struct ValueTextInfo options_change_direct_action[] =
1343 {
1344   { CE_TOUCHED_BY_PLAYER,       "touched by player ..."         },
1345   { CE_PRESSED_BY_PLAYER,       "pressed by player ..."         },
1346   { CE_PUSHED_BY_PLAYER,        "pushed by player ..."          },
1347   { CE_ENTERED_BY_PLAYER,       "entered by player ..."         },
1348   { CE_LEFT_BY_PLAYER,          "left by player ..."            },
1349   { CE_DROPPED_BY_PLAYER,       "dropped by player"             },
1350   { CE_SWITCHED,                "switched ..."                  },
1351 #if 1
1352   { CE_HITTING_SOMETHING,       "hitting something ..."         },
1353   { CE_HIT_BY_SOMETHING,        "hit by something ..."          },
1354 #else
1355   { CE_HITTING_SOMETHING,       "collision ..."                 },
1356 #endif
1357   { CE_IMPACT,                  "impact (on something)"         },
1358   { CE_SMASHED,                 "smashed (from above)"          },
1359
1360   { -1,                         NULL                            }
1361 };
1362
1363 static struct ValueTextInfo options_change_other_action[] =
1364 {
1365   { CE_OTHER_GETS_TOUCHED,      "player touches ..."            },
1366   { CE_OTHER_GETS_PRESSED,      "player presses ..."            },
1367   { CE_OTHER_GETS_PUSHED,       "player pushes ..."             },
1368   { CE_OTHER_GETS_ENTERED,      "player enters ..."             },
1369   { CE_OTHER_GETS_LEFT,         "player leaves ..."             },
1370   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1371   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1372   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1373   { CE_OTHER_IS_TOUCHING,       "touching ..."                  },
1374 #if 1
1375   { CE_OTHER_IS_HITTING,        "hitting ..."                   },
1376   { CE_OTHER_GETS_HIT,          "hit by ..."                    },
1377 #endif
1378   { CE_OTHER_IS_SWITCHING,      "switch of ..."                 },
1379   { CE_OTHER_IS_CHANGING,       "change by page of"             },
1380   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1381
1382   { -1,                         NULL                            }
1383 };
1384
1385 static struct ValueTextInfo options_change_trigger_side[] =
1386 {
1387   { CH_SIDE_LEFT,               "left"                          },
1388   { CH_SIDE_RIGHT,              "right"                         },
1389   { CH_SIDE_TOP,                "top"                           },
1390   { CH_SIDE_BOTTOM,             "bottom"                        },
1391   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1392   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1393   { CH_SIDE_ANY,                "any"                           },
1394
1395   { -1,                         NULL                            }
1396 };
1397
1398 static struct ValueTextInfo options_change_trigger_player[] =
1399 {
1400   { CH_PLAYER_1,                "1"                             },
1401   { CH_PLAYER_2,                "2"                             },
1402   { CH_PLAYER_3,                "3"                             },
1403   { CH_PLAYER_4,                "4"                             },
1404   { CH_PLAYER_ANY,              "any"                           },
1405
1406   { -1,                         NULL                            }
1407 };
1408
1409 static struct ValueTextInfo options_change_trigger_page[] =
1410 {
1411   { (1 << 0),                   "1"                             },
1412   { (1 << 1),                   "2"                             },
1413   { (1 << 2),                   "3"                             },
1414   { (1 << 3),                   "4"                             },
1415   { (1 << 4),                   "5"                             },
1416   { (1 << 5),                   "6"                             },
1417   { (1 << 6),                   "7"                             },
1418   { (1 << 7),                   "8"                             },
1419   { (1 << 8),                   "9"                             },
1420   { (1 << 9),                   "10"                            },
1421   { (1 << 10),                  "11"                            },
1422   { (1 << 11),                  "12"                            },
1423   { (1 << 12),                  "13"                            },
1424   { (1 << 13),                  "14"                            },
1425   { (1 << 14),                  "15"                            },
1426   { (1 << 15),                  "16"                            },
1427   { (1 << 16),                  "17"                            },
1428   { (1 << 17),                  "18"                            },
1429   { (1 << 18),                  "19"                            },
1430   { (1 << 19),                  "20"                            },
1431   { (1 << 20),                  "21"                            },
1432   { (1 << 21),                  "22"                            },
1433   { (1 << 22),                  "23"                            },
1434   { (1 << 23),                  "24"                            },
1435   { (1 << 24),                  "25"                            },
1436   { (1 << 25),                  "26"                            },
1437   { (1 << 26),                  "27"                            },
1438   { (1 << 27),                  "28"                            },
1439   { (1 << 28),                  "29"                            },
1440   { (1 << 29),                  "30"                            },
1441   { (1 << 30),                  "31"                            },
1442   { (1 << 31),                  "32"                            },
1443   { CH_PAGE_ANY,                "any"                           },
1444
1445   { -1,                         NULL                            }
1446 };
1447
1448 static struct ValueTextInfo options_change_replace_when[] =
1449 {
1450   { CP_WHEN_EMPTY,              "empty"                         },
1451   { CP_WHEN_DIGGABLE,           "diggable"                      },
1452   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1453
1454   { -1,                         NULL                            }
1455 };
1456
1457 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1458 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1459 {
1460   { -1,                         NULL                            }
1461 };
1462
1463 static struct ValueTextInfo options_group_choice_mode[] =
1464 {
1465   { ANIM_RANDOM,                "random"                        },
1466   { ANIM_LOOP,                  "loop"                          },
1467   { ANIM_LINEAR,                "linear"                        },
1468   { ANIM_PINGPONG,              "pingpong"                      },
1469   { ANIM_PINGPONG2,             "pingpong 2"                    },
1470
1471   { -1,                         NULL                            }
1472 };
1473
1474 static struct
1475 {
1476   int x, y;
1477   int gadget_id;
1478   int gadget_id_align;
1479   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1480   struct ValueTextInfo *options;
1481   int *value;
1482   char *text_left, *text_right, *infotext;
1483 } selectbox_info[ED_NUM_SELECTBOX] =
1484 {
1485   /* ---------- level and editor settings ---------------------------------- */
1486
1487   {
1488     -1,                                 ED_COUNTER_YPOS(4),
1489     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
1490     -1,
1491     options_time_or_steps,
1492     &level.use_step_counter,
1493     NULL, "(0 => no limit)",            "time or step limit"
1494   },
1495
1496   /* ---------- element settings: configure 1 (custom elements) ----------- */
1497
1498   {
1499     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1500     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1501     -1,
1502     options_access_type,
1503     &custom_element.access_type,
1504     NULL, NULL,                         "type of access to this field"
1505   },
1506   {
1507     -1,                                 ED_SETTINGS_YPOS(3),
1508     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1509     -1,
1510     options_access_layer,
1511     &custom_element.access_layer,
1512     NULL, NULL,                         "layer of access for this field"
1513   },
1514   {
1515     -1,                                 ED_SETTINGS_YPOS(3),
1516     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
1517     -1,
1518     options_access_protected,
1519     &custom_element.access_protected,
1520     NULL, NULL,                         "protected access for this field"
1521   },
1522   {
1523     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
1524     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
1525     -1,
1526     options_access_direction,
1527     &custom_element.access_direction,
1528     "from", NULL,                       "access direction for this field"
1529   },
1530   {
1531     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1532     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1533     -1,
1534     options_walk_to_action,
1535     &custom_element.walk_to_action,
1536     NULL, NULL,                         "diggable/collectible/pushable"
1537   },
1538   {
1539     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1540     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1541     -1,
1542     options_move_pattern,
1543     &custom_element.move_pattern,
1544     "can move", NULL,                   "element move direction"
1545   },
1546   {
1547     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1548     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1549     -1,
1550     options_move_direction,
1551     &custom_element.move_direction_initial,
1552     "starts moving", NULL,              "initial element move direction"
1553   },
1554   {
1555     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1556     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1557     -1,
1558     options_move_stepsize,
1559     &custom_element.move_stepsize,
1560     "move/fall speed", NULL,            "speed of element movement"
1561   },
1562   {
1563     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1564     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
1565     -1,
1566     options_move_leave_type,
1567     &custom_element.move_leave_type,
1568     "can dig:    can", ":",             "leave behind or change element"
1569   },
1570   {
1571     -1,                                 ED_SETTINGS_YPOS(13),
1572     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1573     -1,
1574     options_smash_targets,
1575     &custom_element.smash_targets,
1576     "can smash", NULL,                  "elements that can be smashed"
1577   },
1578   {
1579     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1580     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1581     -1,
1582     options_slippery_type,
1583     &custom_element.slippery_type,
1584     "slippery", NULL,                   "where other elements fall down"
1585   },
1586
1587   /* ---------- element settings: configure 2 (custom elements) ----------- */
1588
1589   {
1590     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1591     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1592     -1,
1593     options_deadliness,
1594     &custom_element.deadliness,
1595     "deadly when", NULL,                "deadliness of element"
1596   },
1597   {
1598     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1599     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1600     -1,
1601     options_consistency,
1602     &custom_element.consistency,
1603     NULL, NULL,                         "consistency/destructibility"
1604   },
1605
1606   /* ---------- element settings: advanced (custom elements) --------------- */
1607
1608   {
1609     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
1610     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1611     -1,
1612     options_time_units,
1613     &custom_element_change.delay_frames,
1614     "delay time given in", NULL,        "delay time units for change"
1615   },
1616   {
1617     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1618     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1619     -1,
1620     options_change_direct_action,
1621     &custom_element_change.direct_action,
1622     NULL, NULL,                         "type of direct action"
1623   },
1624   {
1625     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1626     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1627     -1,
1628     options_change_other_action,
1629     &custom_element_change.other_action,
1630     NULL, "element:",                   "type of other element action"
1631   },
1632   {
1633     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1634     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
1635     -1,
1636     options_change_trigger_side,
1637     &custom_element_change.trigger_side,
1638     "... at", "side",                   "element side that causes change"
1639   },
1640   {
1641     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1642     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
1643     -1,
1644     options_change_trigger_player,
1645     &custom_element_change.trigger_player,
1646     "player:", " ",                     "player that causes change"
1647   },
1648   {
1649     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1650     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
1651     -1,
1652     options_change_trigger_page,
1653     &custom_element_change.trigger_page,
1654     "page:", NULL,                      "change page that causes change"
1655   },
1656   {
1657     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1658     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
1659     -1,
1660     options_change_replace_when,
1661     &custom_element_change.replace_when,
1662     "replace when", NULL,               "which elements can be replaced"
1663   },
1664   {
1665     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1666     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1667     3,
1668     options_change_page,
1669     &custom_element.current_change_page,
1670     NULL, NULL,                         "element change page"
1671   },
1672
1673   /* ---------- element settings: configure (group elements) --------------- */
1674
1675   {
1676     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1677     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
1678     -1,
1679     options_group_choice_mode,
1680     &group_element_info.choice_mode,
1681     "choice type:", NULL,               "type of group element choice"
1682   },
1683 };
1684
1685 static struct
1686 {
1687   int x, y;
1688   int gadget_id;
1689   int gadget_id_align;
1690   int size;
1691   char *text;
1692   char *text_left, *text_right, *infotext;
1693 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1694 {
1695 #if 1
1696   {
1697     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1698     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1699     8,                                  "Info",
1700     NULL, NULL,                         "Show information about element"
1701   },
1702   {
1703     ED_SETTINGS_XPOS(0) + 124,          ED_COUNTER_YPOS(1),
1704     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1705     8,                                  "Config",
1706     NULL, NULL,                         "Configure element properties"
1707   },
1708   {
1709     ED_SETTINGS_XPOS(0) + 124,          ED_COUNTER_YPOS(1),
1710     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
1711     8,                                  "Config 1",
1712     NULL, NULL,                         "Configure custom element properties"
1713   },
1714   {
1715     ED_SETTINGS_XPOS(0) + 248,          ED_COUNTER_YPOS(1),
1716     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
1717     8,                                  "Config 2",
1718     NULL, NULL,                         "Configure custom element properties"
1719   },
1720   {
1721     ED_SETTINGS_XPOS(0) + 372,          ED_COUNTER_YPOS(1),
1722     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
1723     8,                                  "Change",
1724     NULL, NULL,                         "Custom element change configuration"
1725   },
1726 #else
1727   {
1728     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1729     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1730     11,                                 "Information",
1731     NULL, NULL,                         "Show information about element"
1732   },
1733   {
1734     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1735     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1736     11,                                 "Configure",
1737     NULL, NULL,                         "Configure element properties"
1738   },
1739   {
1740     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1741     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
1742     11,                                 "Advanced",
1743     NULL, NULL,                         "Advanced element configuration"
1744   },
1745 #endif
1746   {
1747     -1,                                 ED_SETTINGS_YPOS(2),
1748     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1749     -1,                                 "Save",
1750     " ", "As Template",                 "Save current settings as new template"
1751   },
1752   {
1753     -1,                                 ED_SETTINGS_YPOS(14),
1754     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
1755     -1,                                 "New",
1756     NULL, NULL,                         "Add new change page"
1757   },
1758   {
1759     -1,                                 ED_SETTINGS_YPOS(14),
1760     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1761     -1,                                 "Delete",
1762     NULL, NULL,                         "Delete current change page"
1763   },
1764 };
1765
1766 static struct
1767 {
1768   int gd_x, gd_y;
1769   int x, y;
1770   int width, height;
1771   int gadget_id;
1772   int gadget_id_align;
1773   char *text_left, *text_right, *infotext;
1774 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1775 {
1776   {
1777     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1778     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
1779     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1780     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1781     NULL, NULL,                         "select previous change page"
1782   },
1783   {
1784     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1785     -1,                                 ED_SETTINGS_YPOS(14),
1786     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1787     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1788     NULL, "change page",                "select next change page"
1789   },
1790   {
1791     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
1792     -1,                                 ED_SETTINGS_YPOS(14),
1793     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1794     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
1795     " ", NULL,                          "copy settings from this change page"
1796   },
1797   {
1798     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
1799     -1,                                 ED_SETTINGS_YPOS(14),
1800     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1801     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
1802     NULL, NULL,                         "paste settings to this change page"
1803   },
1804 };
1805
1806 static struct
1807 {
1808   int gd_x, gd_y;
1809   int x, y;
1810   int gadget_id;
1811   char *infotext;
1812 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1813 {
1814   {
1815     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1816     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1817     GADGET_ID_SCROLL_UP,
1818     "scroll level editing area up"
1819   },
1820   {
1821     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1822     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1823     GADGET_ID_SCROLL_DOWN,
1824     "scroll level editing area down"
1825   },
1826   {
1827     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1828     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1829     GADGET_ID_SCROLL_LEFT,
1830     "scroll level editing area left"
1831   },
1832   {
1833     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1834     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1835     GADGET_ID_SCROLL_RIGHT,
1836     "scroll level editing area right"
1837   },
1838   {
1839     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1840     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1841     GADGET_ID_SCROLL_LIST_UP,
1842     "scroll element list up ('Page Up')"
1843   },
1844   {
1845     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1846     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1847     GADGET_ID_SCROLL_LIST_DOWN,
1848     "scroll element list down ('Page Down')"
1849   },
1850 };
1851
1852 static struct
1853 {
1854   int gd_x, gd_y;
1855   int x, y;
1856   int width, height;
1857   int type;
1858   int gadget_id;
1859   char *infotext;
1860 } scrollbar_info[ED_NUM_SCROLLBARS] =
1861 {
1862   {
1863     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1864     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1865     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1866     GD_TYPE_SCROLLBAR_HORIZONTAL,
1867     GADGET_ID_SCROLL_HORIZONTAL,
1868     "scroll level editing area horizontally"
1869   },
1870   {
1871     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1872     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1873     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1874     GD_TYPE_SCROLLBAR_VERTICAL,
1875     GADGET_ID_SCROLL_VERTICAL,
1876     "scroll level editing area vertically"
1877   },
1878   {
1879     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1880     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1881     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1882     GD_TYPE_SCROLLBAR_VERTICAL,
1883     GADGET_ID_SCROLL_LIST_VERTICAL,
1884     "scroll element list vertically"
1885   }
1886 };
1887
1888 static struct
1889 {
1890   int x, y;
1891   int gadget_id;
1892   int gadget_id_align;
1893   int radio_button_nr;
1894   int *value;
1895   int checked_value;
1896   char *text_left, *text_right, *infotext;
1897 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1898 {
1899   {
1900     -1,                                 ED_COUNTER2_YPOS(8),
1901     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1902     RADIO_NR_RANDOM_ELEMENTS,
1903     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1904     " ", "percentage",                  "use percentage for random elements"
1905   },
1906   {
1907     -1,                                 ED_COUNTER2_YPOS(8),
1908     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1909     RADIO_NR_RANDOM_ELEMENTS,
1910     &random_placement_method,           RANDOM_USE_QUANTITY,
1911     " ", "quantity",                    "use quantity for random elements"
1912   }
1913 };
1914
1915 static struct
1916 {
1917   int x, y;
1918   int gadget_id;
1919   int gadget_id_align;
1920   boolean *value;
1921   char *text_left, *text_right, *infotext;
1922 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1923 {
1924   /* ---------- level and editor settings ---------------------------------- */
1925
1926   {
1927     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1928     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1929     &level.double_speed,
1930     NULL, "double speed movement",      "set movement speed of player"
1931   },
1932   {
1933     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1934     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1935     &level.initial_gravity,
1936     " ", "gravity",                     "set level gravity"
1937   },
1938   {
1939     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1940     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1941     &random_placement_background_restricted,
1942     NULL,
1943     "restrict random placement to:",    "set random placement restriction"
1944   },
1945
1946   /* ---------- element settings: configure (various elements) ------------- */
1947
1948   {
1949     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
1950     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1951     &stick_element_properties_window,
1952     NULL,
1953     "stick this screen to edit content","stick this screen to edit content"
1954   },
1955   {
1956     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1957     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1958     &level.em_slippery_gems,
1959     NULL,
1960     "slip down from certain flat walls","use EM style slipping behaviour"
1961   },
1962   {
1963     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1964     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
1965     &level.use_spring_bug,
1966     NULL,
1967     "use spring pushing bug",           "use odd spring pushing behaviour"
1968   },
1969   {
1970     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1971     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
1972     &level.block_last_field,
1973     NULL,
1974     "block last field when moving",     "player blocks last field when moving"
1975   },
1976   {
1977     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1978     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
1979     &level.sp_block_last_field,
1980     NULL,
1981     "block last field when moving",     "player blocks last field when moving"
1982   },
1983   {
1984     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1985     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
1986     &level.instant_relocation,
1987     NULL,
1988     "no scrolling when relocating",     "player gets relocated without delay"
1989   },
1990   {
1991     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
1992     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
1993     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
1994     NULL,
1995     "can fall into acid (with gravity)","player can fall into acid pool"
1996   },
1997   {
1998     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
1999     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2000     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2001     NULL,
2002     "can move into acid",               "element can move into acid pool"
2003   },
2004   {
2005     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2006     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2007     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2008     NULL,
2009     "deadly when colliding with",       "element is deadly when hitting player"
2010   },
2011
2012   /* ---------- element settings: configure 1 (custom elements) ----------- */
2013
2014   {
2015     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2016     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2017     &custom_element.use_gfx_element,
2018     NULL, "use graphic of element:",    "use graphic for custom element"
2019   },
2020   {
2021     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
2022     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2023     &level.use_custom_template,
2024     NULL, "use template",               "use template for custom properties"
2025   },
2026   {
2027     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
2028     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2029     &custom_element_properties[EP_ACCESSIBLE],
2030     NULL, NULL,                         "player can walk to or pass this field"
2031   },
2032   {
2033     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
2034     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2035     &custom_element_properties[EP_WALK_TO_OBJECT],
2036     NULL, NULL,                         "player can dig/collect/push element"
2037   },
2038   {
2039     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(8),
2040     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2041     &custom_element_properties[EP_CAN_MOVE],
2042     NULL, NULL,                         "element can move in some direction"
2043   },
2044   {
2045     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
2046     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2047     &custom_element_properties[EP_CAN_FALL],
2048     NULL, "can fall",                   "element can fall down"
2049   },
2050   {
2051     -1,                                 ED_SETTINGS_YPOS(13),
2052     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2053     &custom_element_properties[EP_CAN_SMASH],
2054     " ", NULL,                          "element can smash other elements"
2055   },
2056   {
2057     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
2058     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2059     &custom_element_properties[EP_SLIPPERY],
2060     NULL, NULL,                         "other elements can fall down from it"
2061   },
2062
2063   /* ---------- element settings: configure 2 (custom elements) ----------- */
2064
2065   {
2066     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2067     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2068     &custom_element_properties[EP_DEADLY],
2069     NULL, NULL,                         "element can kill the player"
2070   },
2071   {
2072     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
2073     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
2074     &custom_element_properties[EP_EXPLODE_RESULT],
2075     NULL, NULL,                         "set consistency/destructibility"
2076   },
2077   {
2078     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
2079     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2080     &custom_element.can_explode_by_fire,
2081     NULL, "by fire",                    "element can explode by fire/explosion"
2082   },
2083   {
2084     -1,                                 ED_SETTINGS_YPOS(3),
2085     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2086     &custom_element.can_explode_smashed,
2087     " ", "smashed",                     "element can explode when smashed"
2088   },
2089   {
2090     -1,                                 ED_SETTINGS_YPOS(3),
2091     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2092     &custom_element.can_explode_impact,
2093     " ", "impact",                      "element can explode on impact"
2094   },
2095
2096   /* ---------- element settings: advanced (custom elements) --------------- */
2097
2098   {
2099     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2100     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2101     &custom_element_change.can_change,
2102     NULL, "element changes to:",        "element can change to other element"
2103   },
2104   {
2105     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
2106     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2107     &custom_element_change_events[CE_DELAY],
2108     NULL, NULL,                         "element changes after delay"
2109   },
2110   {
2111     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
2112     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2113     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2114     NULL, NULL,                         "element changes by direct action"
2115   },
2116   {
2117     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
2118     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2119     &custom_element_change_events[CE_BY_OTHER_ACTION],
2120     NULL, NULL,                         "element changes by other element"
2121   },
2122   {
2123     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
2124     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2125     &custom_element_change.explode,
2126     NULL, "explode instead of change",  "element explodes instead of change"
2127   },
2128   {
2129     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
2130     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2131     &custom_element_change.use_target_content,
2132     NULL, "use extended change target:","element changes to more elements"
2133   },
2134   {
2135     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
2136     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2137     &custom_element_change.only_if_complete,
2138     NULL, "replace all or nothing",     "only replace when all can be changed"
2139   },
2140   {
2141     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
2142     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2143     &custom_element_change.use_random_replace,
2144     NULL, NULL,                         "use percentage for random replace"
2145   },
2146 };
2147
2148 static struct
2149 {
2150   int x, y;
2151   int area_xsize, area_ysize;
2152   int gadget_id;
2153   int gadget_id_align;
2154   char *text_left, *text_right, *text_below;
2155 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2156 {
2157   /* ---------- level playfield content ------------------------------------ */
2158
2159   {
2160     0, 0,
2161     MAX_ED_FIELDX, MAX_ED_FIELDY,
2162     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
2163     NULL, NULL,                         NULL
2164   },
2165
2166   /* ---------- yam yam content -------------------------------------------- */
2167
2168   {
2169     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
2170     3, 3,
2171     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
2172     NULL, NULL,                         "1"
2173   },
2174   {
2175     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
2176     3, 3,
2177     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
2178     NULL, NULL,                         "2"
2179   },
2180   {
2181     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
2182     3, 3,
2183     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
2184     NULL, NULL,                         "3"
2185   },
2186   {
2187     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
2188     3, 3,
2189     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
2190     NULL, NULL,                         "4"
2191   },
2192   {
2193     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
2194     3, 3,
2195     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
2196     NULL, NULL,                         "5"
2197   },
2198   {
2199     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
2200     3, 3,
2201     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
2202     NULL, NULL,                         "6"
2203   },
2204   {
2205     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
2206     3, 3,
2207     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
2208     NULL, NULL,                         "7"
2209   },
2210   {
2211     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
2212     3, 3,
2213     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
2214     NULL, NULL,                         "8"
2215   },
2216
2217   /* ---------- amoeba content --------------------------------------------- */
2218
2219   {
2220     ED_AREA_AMOEBA_CONTENT_XPOS,        ED_AREA_AMOEBA_CONTENT_YPOS,
2221     1, 1,
2222     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
2223     "content:", NULL,                   NULL
2224   },
2225
2226   /* ---------- custom graphic --------------------------------------------- */
2227
2228   {
2229     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
2230     1, 1,
2231     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
2232     NULL, NULL,                         NULL
2233   },
2234
2235   /* ---------- custom content (when exploding) ---------------------------- */
2236
2237   {
2238     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
2239     3, 3,
2240     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
2241     "content:", NULL,                   NULL
2242   },
2243
2244   /* ---------- custom enter and leave element (when moving) --------------- */
2245
2246   {
2247     ED_SETTINGS_XPOS(1),                ED_AREA_ELEM_CONTENT4a_YPOS,
2248     1, 1,
2249     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
2250     "can dig:", " ",                    NULL
2251   },
2252   {
2253     -1,                                 ED_AREA_ELEM_CONTENT4b_YPOS,
2254     1, 1,
2255     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
2256     NULL, NULL,                         NULL
2257   },
2258
2259   /* ---------- custom change target --------------------------------------- */
2260
2261   {
2262     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
2263     1, 1,
2264     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
2265     NULL, "after/when:",                NULL
2266   },
2267
2268   /* ---------- custom change content (extended change target) ------------- */
2269
2270   {
2271     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
2272     3, 3,
2273     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
2274     NULL, NULL,                         NULL
2275   },
2276
2277   /* ---------- custom change trigger (element causing change) ------------- */
2278
2279   {
2280     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
2281     1, 1,
2282     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
2283     NULL, NULL,                         NULL
2284   },
2285
2286   /* ---------- group element content -------------------------------------- */
2287
2288   {
2289     ED_AREA_GROUP_CONTENT_XPOS,         ED_AREA_GROUP_CONTENT_YPOS,
2290     MAX_ELEMENTS_IN_GROUP, 1,
2291     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
2292     "content:", NULL,                   NULL
2293   },
2294
2295   /* ---------- random background (for random painting) -------------------- */
2296
2297   {
2298     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
2299     1, 1,
2300     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
2301     NULL, NULL,                         NULL
2302   },
2303 };
2304
2305
2306 /*
2307   -----------------------------------------------------------------------------
2308   some internally used variables
2309   -----------------------------------------------------------------------------
2310 */
2311
2312 /* actual size of level editor drawing area */
2313 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
2314
2315 /* actual position of level editor drawing area in level playfield */
2316 static int level_xpos = -1, level_ypos = -1;
2317
2318 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
2319
2320 /* drawing elements on the three mouse buttons */
2321 static int new_element1 = EL_WALL;
2322 static int new_element2 = EL_EMPTY;
2323 static int new_element3 = EL_SAND;
2324
2325 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
2326                                 (button) == 2 ? new_element2 : \
2327                                 (button) == 3 ? new_element3 : EL_EMPTY)
2328 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
2329
2330 /* forward declaration for internal use */
2331 static void ModifyEditorCounter(int, int);
2332 static void ModifyEditorCounterLimits(int, int, int);
2333 static void ModifyEditorSelectbox(int, int);
2334 static void ModifyEditorDrawingArea(int, int, int);
2335 static void ModifyEditorElementList();
2336 static void RedrawDrawingElements();
2337 static void DrawDrawingWindow();
2338 static void DrawLevelInfoWindow();
2339 static void DrawPropertiesWindow();
2340 static void UpdateCustomElementGraphicGadgets();
2341 static boolean checkPropertiesConfig(int);
2342 static void CopyLevelToUndoBuffer(int);
2343 static void HandleDrawingAreas(struct GadgetInfo *);
2344 static void HandleCounterButtons(struct GadgetInfo *);
2345 static void HandleTextInputGadgets(struct GadgetInfo *);
2346 static void HandleTextAreaGadgets(struct GadgetInfo *);
2347 static void HandleSelectboxGadgets(struct GadgetInfo *);
2348 static void HandleTextbuttonGadgets(struct GadgetInfo *);
2349 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
2350 static void HandleRadiobuttons(struct GadgetInfo *);
2351 static void HandleCheckbuttons(struct GadgetInfo *);
2352 static void HandleControlButtons(struct GadgetInfo *);
2353 static void HandleDrawingAreaInfo(struct GadgetInfo *);
2354
2355 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
2356 static int right_gadget_border[NUM_EDITOR_GADGETS];
2357
2358 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
2359 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
2360 static boolean draw_with_brush = FALSE;
2361 static int properties_element = 0;
2362
2363 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
2364 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
2365 static int undo_buffer_position = 0;
2366 static int undo_buffer_steps = 0;
2367
2368 static int edit_mode;
2369 static int edit_mode_properties;
2370
2371 static int element_shift = 0;
2372
2373 static int editor_hl_boulderdash[] =
2374 {
2375   EL_CHAR('B'),
2376   EL_CHAR('O'),
2377   EL_CHAR('U'),
2378   EL_CHAR('L'),
2379
2380   EL_CHAR('-'),
2381   EL_CHAR('D'),
2382   EL_CHAR('E'),
2383   EL_CHAR('R'),
2384
2385   EL_CHAR('D'),
2386   EL_CHAR('A'),
2387   EL_CHAR('S'),
2388   EL_CHAR('H'),
2389 };
2390
2391 static int editor_el_boulderdash[] =
2392 {
2393   EL_PLAYER_1,
2394   EL_EMPTY,
2395   EL_SAND,
2396   EL_STEELWALL,
2397
2398   EL_BD_WALL,
2399   EL_BD_MAGIC_WALL,
2400   EL_EXIT_CLOSED,
2401   EL_EXIT_OPEN,
2402
2403   EL_BD_DIAMOND,
2404   EL_BD_BUTTERFLY_UP,
2405   EL_BD_FIREFLY_UP,
2406   EL_BD_ROCK,
2407
2408   EL_BD_BUTTERFLY_LEFT,
2409   EL_BD_FIREFLY_LEFT,
2410   EL_BD_BUTTERFLY_RIGHT,
2411   EL_BD_FIREFLY_RIGHT,
2412
2413   EL_BD_AMOEBA,
2414   EL_BD_BUTTERFLY_DOWN,
2415   EL_BD_FIREFLY_DOWN,
2416   EL_EMPTY,
2417 };
2418 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
2419 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
2420 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
2421 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
2422
2423 static int editor_hl_emerald_mine[] =
2424 {
2425   EL_CHAR('E'),
2426   EL_CHAR('M'),
2427   EL_CHAR('E'),
2428   EL_CHAR('-'),
2429
2430   EL_CHAR('R'),
2431   EL_CHAR('A'),
2432   EL_CHAR('L'),
2433   EL_CHAR('D'),
2434
2435   EL_CHAR('M'),
2436   EL_CHAR('I'),
2437   EL_CHAR('N'),
2438   EL_CHAR('E'),
2439 };
2440
2441 static int editor_el_emerald_mine[] =
2442 {
2443   EL_PLAYER_1,
2444   EL_PLAYER_2,
2445   EL_PLAYER_3,
2446   EL_PLAYER_4,
2447
2448   EL_PLAYER_1,
2449   EL_EMPTY,
2450   EL_SAND,
2451   EL_ROCK,
2452
2453   EL_STEELWALL,
2454   EL_WALL,
2455   EL_WALL_SLIPPERY,
2456   EL_MAGIC_WALL,
2457
2458   EL_EMERALD,
2459   EL_DIAMOND,
2460   EL_NUT,
2461   EL_BOMB,
2462
2463   EL_WALL_EMERALD,
2464   EL_WALL_DIAMOND,
2465   EL_QUICKSAND_EMPTY,
2466   EL_QUICKSAND_FULL,
2467
2468   EL_DYNAMITE,
2469   EL_DYNAMITE_ACTIVE,
2470   EL_EXIT_CLOSED,
2471   EL_EXIT_OPEN,
2472
2473   EL_YAMYAM,
2474   EL_BUG_UP,
2475   EL_SPACESHIP_UP,
2476   EL_ROBOT,
2477
2478   EL_BUG_LEFT,
2479   EL_SPACESHIP_LEFT,
2480   EL_BUG_RIGHT,
2481   EL_SPACESHIP_RIGHT,
2482
2483   EL_ROBOT_WHEEL,
2484   EL_BUG_DOWN,
2485   EL_SPACESHIP_DOWN,
2486   EL_INVISIBLE_WALL,
2487
2488   EL_ACID_POOL_TOPLEFT,
2489   EL_ACID,
2490   EL_ACID_POOL_TOPRIGHT,
2491   EL_EMPTY,
2492
2493   EL_ACID_POOL_BOTTOMLEFT,
2494   EL_ACID_POOL_BOTTOM,
2495   EL_ACID_POOL_BOTTOMRIGHT,
2496   EL_EMPTY,
2497
2498   EL_AMOEBA_DROP,
2499   EL_AMOEBA_DEAD,
2500   EL_AMOEBA_WET,
2501   EL_AMOEBA_DRY,
2502
2503 #if 1
2504   EL_EM_KEY_1,
2505   EL_EM_KEY_2,
2506   EL_EM_KEY_3,
2507   EL_EM_KEY_4,
2508 #else
2509   EL_EM_KEY_1_FILE,
2510   EL_EM_KEY_2_FILE,
2511   EL_EM_KEY_3_FILE,
2512   EL_EM_KEY_4_FILE,
2513 #endif
2514
2515   EL_EM_GATE_1,
2516   EL_EM_GATE_2,
2517   EL_EM_GATE_3,
2518   EL_EM_GATE_4,
2519
2520   EL_EM_GATE_1_GRAY,
2521   EL_EM_GATE_2_GRAY,
2522   EL_EM_GATE_3_GRAY,
2523   EL_EM_GATE_4_GRAY,
2524 };
2525 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
2526 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
2527 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
2528 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
2529
2530 static int editor_hl_more[] =
2531 {
2532   EL_CHAR('M'),
2533   EL_CHAR('O'),
2534   EL_CHAR('R'),
2535   EL_CHAR('E'),
2536 };
2537
2538 static int editor_el_more[] =
2539 {
2540   EL_KEY_1,
2541   EL_KEY_2,
2542   EL_KEY_3,
2543   EL_KEY_4,
2544
2545   EL_GATE_1,
2546   EL_GATE_2,
2547   EL_GATE_3,
2548   EL_GATE_4,
2549
2550   EL_GATE_1_GRAY,
2551   EL_GATE_2_GRAY,
2552   EL_GATE_3_GRAY,
2553   EL_GATE_4_GRAY,
2554
2555   EL_ARROW_LEFT,
2556   EL_ARROW_RIGHT,
2557   EL_ARROW_UP,
2558   EL_ARROW_DOWN,
2559
2560   EL_AMOEBA_FULL,
2561   EL_EMERALD_YELLOW,
2562   EL_EMERALD_RED,
2563   EL_EMERALD_PURPLE,
2564
2565   EL_WALL_BD_DIAMOND,
2566   EL_WALL_EMERALD_YELLOW,
2567   EL_WALL_EMERALD_RED,
2568   EL_WALL_EMERALD_PURPLE,
2569
2570   EL_GAME_OF_LIFE,
2571   EL_PACMAN_UP,
2572   EL_TIME_ORB_FULL,
2573   EL_TIME_ORB_EMPTY,
2574
2575   EL_PACMAN_LEFT,
2576   EL_DARK_YAMYAM,
2577   EL_PACMAN_RIGHT,
2578   EL_EXPANDABLE_WALL,
2579
2580   EL_BIOMAZE,
2581   EL_PACMAN_DOWN,
2582   EL_LAMP,
2583   EL_LAMP_ACTIVE,
2584
2585   EL_DYNABOMB_INCREASE_NUMBER,
2586   EL_DYNABOMB_INCREASE_SIZE,
2587   EL_DYNABOMB_INCREASE_POWER,
2588   EL_STONEBLOCK,
2589
2590   EL_MOLE,
2591   EL_PENGUIN,
2592   EL_PIG,
2593   EL_DRAGON,
2594
2595   EL_BUG,
2596   EL_MOLE_UP,
2597   EL_BD_BUTTERFLY,
2598   EL_BD_FIREFLY,
2599
2600   EL_MOLE_LEFT,
2601   EL_EMPTY,
2602   EL_MOLE_RIGHT,
2603   EL_PACMAN,
2604
2605   EL_SPACESHIP,
2606   EL_MOLE_DOWN,
2607   EL_BALLOON,
2608   EL_BALLOON_SWITCH_ANY,
2609
2610   EL_BALLOON_SWITCH_LEFT,
2611   EL_BALLOON_SWITCH_RIGHT,
2612   EL_BALLOON_SWITCH_UP,
2613   EL_BALLOON_SWITCH_DOWN,
2614
2615   EL_SATELLITE,
2616   EL_EXPANDABLE_WALL_HORIZONTAL,
2617   EL_EXPANDABLE_WALL_VERTICAL,
2618   EL_EXPANDABLE_WALL_ANY,
2619
2620   EL_INVISIBLE_STEELWALL,
2621   EL_INVISIBLE_WALL,
2622   EL_SPEED_PILL,
2623   EL_BLACK_ORB,
2624
2625   EL_EMC_STEELWALL_1,
2626   EL_EMC_WALL_1,
2627   EL_EMC_WALL_2,
2628   EL_EMC_WALL_3,
2629
2630   EL_EMC_WALL_4,
2631   EL_EMC_WALL_5,
2632   EL_EMC_WALL_6,
2633   EL_EMC_WALL_7,
2634 };
2635 static int *editor_hl_more_ptr = editor_hl_more;
2636 static int *editor_el_more_ptr = editor_el_more;
2637 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2638 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2639
2640 static int editor_hl_sokoban[] =
2641 {
2642   EL_CHAR('S'),
2643   EL_CHAR('O'),
2644   EL_CHAR('K'),
2645   EL_CHAR('O'),
2646
2647   EL_CHAR('-'),
2648   EL_CHAR('B'),
2649   EL_CHAR('A'),
2650   EL_CHAR('N'),
2651 };
2652
2653 static int editor_el_sokoban[] =
2654 {
2655   EL_SOKOBAN_OBJECT,
2656   EL_SOKOBAN_FIELD_EMPTY,
2657   EL_SOKOBAN_FIELD_FULL,
2658   EL_SOKOBAN_FIELD_PLAYER,
2659 };
2660 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
2661 static int *editor_el_sokoban_ptr = editor_el_sokoban;
2662 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2663 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2664
2665 static int editor_hl_supaplex[] =
2666 {
2667   EL_CHAR('S'),
2668   EL_CHAR('U'),
2669   EL_CHAR('P'),
2670   EL_CHAR('A'),
2671
2672   EL_CHAR('P'),
2673   EL_CHAR('L'),
2674   EL_CHAR('E'),
2675   EL_CHAR('X'),
2676 };
2677
2678 static int editor_el_supaplex[] =
2679 {
2680 #if 1
2681   EL_EMPTY,
2682 #else
2683   EL_SP_EMPTY,
2684 #endif
2685   EL_SP_ZONK,
2686   EL_SP_BASE,
2687   EL_SP_MURPHY,
2688
2689   EL_SP_INFOTRON,
2690   EL_SP_CHIP_SINGLE,
2691   EL_SP_HARDWARE_GRAY,
2692   EL_SP_EXIT_CLOSED,
2693
2694   EL_SP_DISK_ORANGE,
2695   EL_SP_PORT_RIGHT,
2696   EL_SP_PORT_DOWN,
2697   EL_SP_PORT_LEFT,
2698
2699   EL_SP_PORT_UP,
2700   EL_SP_GRAVITY_PORT_RIGHT,
2701   EL_SP_GRAVITY_PORT_DOWN,
2702   EL_SP_GRAVITY_PORT_LEFT,
2703
2704   EL_SP_GRAVITY_PORT_UP,
2705   EL_SP_SNIKSNAK,
2706   EL_SP_DISK_YELLOW,
2707   EL_SP_TERMINAL,
2708
2709   EL_SP_DISK_RED,
2710   EL_SP_PORT_VERTICAL,
2711   EL_SP_PORT_HORIZONTAL,
2712   EL_SP_PORT_ANY,
2713
2714   EL_SP_ELECTRON,
2715   EL_SP_BUGGY_BASE,
2716   EL_SP_CHIP_LEFT,
2717   EL_SP_CHIP_RIGHT,
2718
2719   EL_SP_HARDWARE_BASE_1,
2720   EL_SP_HARDWARE_GREEN,
2721   EL_SP_HARDWARE_BLUE,
2722   EL_SP_HARDWARE_RED,
2723
2724   EL_SP_HARDWARE_YELLOW,
2725   EL_SP_HARDWARE_BASE_2,
2726   EL_SP_HARDWARE_BASE_3,
2727   EL_SP_HARDWARE_BASE_4,
2728
2729   EL_SP_HARDWARE_BASE_5,
2730   EL_SP_HARDWARE_BASE_6,
2731   EL_SP_CHIP_TOP,
2732   EL_SP_CHIP_BOTTOM,
2733 };
2734 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
2735 static int *editor_el_supaplex_ptr = editor_el_supaplex;
2736 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2737 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2738
2739 static int editor_hl_diamond_caves[] =
2740 {
2741   EL_CHAR('D'),
2742   EL_CHAR('I'),
2743   EL_CHAR('A'),
2744   EL_CHAR('-'),
2745
2746   EL_CHAR('M'),
2747   EL_CHAR('O'),
2748   EL_CHAR('N'),
2749   EL_CHAR('D'),
2750
2751   EL_CHAR('C'),
2752   EL_CHAR('A'),
2753   EL_CHAR('V'),
2754   EL_CHAR('E'),
2755
2756   EL_CHAR('S'),
2757   EL_CHAR(' '),
2758   EL_CHAR('I'),
2759   EL_CHAR('I'),
2760 };
2761
2762 static int editor_el_diamond_caves[] =
2763 {
2764   EL_PEARL,
2765   EL_CRYSTAL,
2766   EL_WALL_PEARL,
2767   EL_WALL_CRYSTAL,
2768
2769   EL_CONVEYOR_BELT_1_LEFT,
2770   EL_CONVEYOR_BELT_1_MIDDLE,
2771   EL_CONVEYOR_BELT_1_RIGHT,
2772   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2773
2774   EL_CONVEYOR_BELT_2_LEFT,
2775   EL_CONVEYOR_BELT_2_MIDDLE,
2776   EL_CONVEYOR_BELT_2_RIGHT,
2777   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2778
2779   EL_CONVEYOR_BELT_3_LEFT,
2780   EL_CONVEYOR_BELT_3_MIDDLE,
2781   EL_CONVEYOR_BELT_3_RIGHT,
2782   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2783
2784   EL_CONVEYOR_BELT_4_LEFT,
2785   EL_CONVEYOR_BELT_4_MIDDLE,
2786   EL_CONVEYOR_BELT_4_RIGHT,
2787   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2788
2789   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2790   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2791   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2792   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2793
2794   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2795   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2796   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2797   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2798
2799   EL_SWITCHGATE_OPEN,
2800   EL_SWITCHGATE_CLOSED,
2801   EL_SWITCHGATE_SWITCH_UP,
2802   EL_EMPTY,
2803
2804   EL_ENVELOPE_1,
2805   EL_ENVELOPE_2,
2806   EL_ENVELOPE_3,
2807   EL_ENVELOPE_4,
2808
2809   EL_TIMEGATE_CLOSED,
2810   EL_TIMEGATE_OPEN,
2811   EL_TIMEGATE_SWITCH,
2812   EL_EMPTY,
2813
2814   EL_LANDMINE,
2815   EL_INVISIBLE_SAND,
2816   EL_STEELWALL_SLIPPERY,
2817   EL_EMPTY,
2818
2819   EL_SIGN_EXCLAMATION,
2820   EL_SIGN_STOP,
2821   EL_LIGHT_SWITCH,
2822   EL_LIGHT_SWITCH_ACTIVE,
2823
2824   EL_SHIELD_NORMAL,
2825   EL_SHIELD_DEADLY,
2826   EL_EXTRA_TIME,
2827   EL_EMPTY,
2828 };
2829 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
2830 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
2831 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2832 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2833
2834 static int editor_hl_dx_boulderdash[] =
2835 {
2836   EL_CHAR('D'),
2837   EL_CHAR('X'),
2838   EL_CHAR('-'),
2839   EL_CHAR(' '),
2840
2841   EL_CHAR('B'),
2842   EL_CHAR('O'),
2843   EL_CHAR('U'),
2844   EL_CHAR('L'),
2845
2846   EL_CHAR('-'),
2847   EL_CHAR('D'),
2848   EL_CHAR('E'),
2849   EL_CHAR('R'),
2850
2851   EL_CHAR('D'),
2852   EL_CHAR('A'),
2853   EL_CHAR('S'),
2854   EL_CHAR('H'),
2855 };
2856
2857 static int editor_el_dx_boulderdash[] =
2858 {
2859   EL_SPRING,
2860   EL_TUBE_RIGHT_DOWN,
2861   EL_TUBE_HORIZONTAL_DOWN,
2862   EL_TUBE_LEFT_DOWN,
2863
2864   EL_TUBE_HORIZONTAL,
2865   EL_TUBE_VERTICAL_RIGHT,
2866   EL_TUBE_ANY,
2867   EL_TUBE_VERTICAL_LEFT,
2868
2869   EL_TUBE_VERTICAL,
2870   EL_TUBE_RIGHT_UP,
2871   EL_TUBE_HORIZONTAL_UP,
2872   EL_TUBE_LEFT_UP,
2873
2874   EL_TRAP,
2875   EL_DX_SUPABOMB,
2876   EL_EMPTY,
2877   EL_EMPTY
2878 };
2879 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
2880 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
2881 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2882 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2883
2884 static int editor_hl_chars[] =
2885 {
2886   EL_CHAR('T'),
2887   EL_CHAR('E'),
2888   EL_CHAR('X'),
2889   EL_CHAR('T'),
2890 };
2891
2892 static int editor_el_chars[] =
2893 {
2894   EL_CHAR(' '),
2895   EL_CHAR('!'),
2896   EL_CHAR('"'),
2897   EL_CHAR('#'),
2898
2899   EL_CHAR('$'),
2900   EL_CHAR('%'),
2901   EL_CHAR('&'),
2902   EL_CHAR('\''),
2903
2904   EL_CHAR('('),
2905   EL_CHAR(')'),
2906   EL_CHAR('*'),
2907   EL_CHAR('+'),
2908
2909   EL_CHAR(','),
2910   EL_CHAR('-'),
2911   EL_CHAR('.'),
2912   EL_CHAR('/'),
2913
2914   EL_CHAR('0'),
2915   EL_CHAR('1'),
2916   EL_CHAR('2'),
2917   EL_CHAR('3'),
2918
2919   EL_CHAR('4'),
2920   EL_CHAR('5'),
2921   EL_CHAR('6'),
2922   EL_CHAR('7'),
2923
2924   EL_CHAR('8'),
2925   EL_CHAR('9'),
2926   EL_CHAR(':'),
2927   EL_CHAR(';'),
2928
2929   EL_CHAR('<'),
2930   EL_CHAR('='),
2931   EL_CHAR('>'),
2932   EL_CHAR('?'),
2933
2934   EL_CHAR('@'),
2935   EL_CHAR('A'),
2936   EL_CHAR('B'),
2937   EL_CHAR('C'),
2938
2939   EL_CHAR('D'),
2940   EL_CHAR('E'),
2941   EL_CHAR('F'),
2942   EL_CHAR('G'),
2943
2944   EL_CHAR('H'),
2945   EL_CHAR('I'),
2946   EL_CHAR('J'),
2947   EL_CHAR('K'),
2948
2949   EL_CHAR('L'),
2950   EL_CHAR('M'),
2951   EL_CHAR('N'),
2952   EL_CHAR('O'),
2953
2954   EL_CHAR('P'),
2955   EL_CHAR('Q'),
2956   EL_CHAR('R'),
2957   EL_CHAR('S'),
2958
2959   EL_CHAR('T'),
2960   EL_CHAR('U'),
2961   EL_CHAR('V'),
2962   EL_CHAR('W'),
2963
2964   EL_CHAR('X'),
2965   EL_CHAR('Y'),
2966   EL_CHAR('Z'),
2967   EL_CHAR('['),
2968
2969   EL_CHAR('\\'),
2970   EL_CHAR(']'),
2971   EL_CHAR('^'),
2972   EL_CHAR('_'),
2973
2974   EL_CHAR('©'),
2975   EL_CHAR('Ä'),
2976   EL_CHAR('Ö'),
2977   EL_CHAR('Ü'),
2978
2979   EL_CHAR('°'),
2980   EL_CHAR('®'),
2981   EL_CHAR(FONT_ASCII_CURSOR),
2982   EL_CHAR(' ')
2983 };
2984 static int *editor_hl_chars_ptr = editor_hl_chars;
2985 static int *editor_el_chars_ptr = editor_el_chars;
2986 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2987 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2988
2989 static int editor_hl_custom[] =
2990 {
2991   EL_CHAR('C'),
2992   EL_CHAR('U'),
2993   EL_CHAR('S'),
2994   EL_CHAR('-'),
2995
2996   EL_CHAR('T'),
2997   EL_CHAR('O'),
2998   EL_CHAR('M'),
2999   EL_CHAR(' '),
3000
3001   EL_CHAR('E'),
3002   EL_CHAR('L'),
3003   EL_CHAR('E'),
3004   EL_CHAR('M'),
3005
3006   EL_CHAR('E'),
3007   EL_CHAR('N'),
3008   EL_CHAR('T'),
3009   EL_CHAR('S'),
3010 };
3011
3012 static int editor_el_custom[] =
3013 {
3014   EL_CUSTOM_START + 0,
3015   EL_CUSTOM_START + 1,
3016   EL_CUSTOM_START + 2,
3017   EL_CUSTOM_START + 3,
3018
3019   EL_CUSTOM_START + 4,
3020   EL_CUSTOM_START + 5,
3021   EL_CUSTOM_START + 6,
3022   EL_CUSTOM_START + 7,
3023
3024   EL_CUSTOM_START + 8,
3025   EL_CUSTOM_START + 9,
3026   EL_CUSTOM_START + 10,
3027   EL_CUSTOM_START + 11,
3028
3029   EL_CUSTOM_START + 12,
3030   EL_CUSTOM_START + 13,
3031   EL_CUSTOM_START + 14,
3032   EL_CUSTOM_START + 15,
3033
3034   EL_CUSTOM_START + 16,
3035   EL_CUSTOM_START + 17,
3036   EL_CUSTOM_START + 18,
3037   EL_CUSTOM_START + 19,
3038
3039   EL_CUSTOM_START + 20,
3040   EL_CUSTOM_START + 21,
3041   EL_CUSTOM_START + 22,
3042   EL_CUSTOM_START + 23,
3043
3044   EL_CUSTOM_START + 24,
3045   EL_CUSTOM_START + 25,
3046   EL_CUSTOM_START + 26,
3047   EL_CUSTOM_START + 27,
3048
3049   EL_CUSTOM_START + 28,
3050   EL_CUSTOM_START + 29,
3051   EL_CUSTOM_START + 30,
3052   EL_CUSTOM_START + 31,
3053
3054   EL_CUSTOM_START + 32,
3055   EL_CUSTOM_START + 33,
3056   EL_CUSTOM_START + 34,
3057   EL_CUSTOM_START + 35,
3058
3059   EL_CUSTOM_START + 36,
3060   EL_CUSTOM_START + 37,
3061   EL_CUSTOM_START + 38,
3062   EL_CUSTOM_START + 39,
3063
3064   EL_CUSTOM_START + 40,
3065   EL_CUSTOM_START + 41,
3066   EL_CUSTOM_START + 42,
3067   EL_CUSTOM_START + 43,
3068
3069   EL_CUSTOM_START + 44,
3070   EL_CUSTOM_START + 45,
3071   EL_CUSTOM_START + 46,
3072   EL_CUSTOM_START + 47,
3073
3074   EL_CUSTOM_START + 48,
3075   EL_CUSTOM_START + 49,
3076   EL_CUSTOM_START + 50,
3077   EL_CUSTOM_START + 51,
3078
3079   EL_CUSTOM_START + 52,
3080   EL_CUSTOM_START + 53,
3081   EL_CUSTOM_START + 54,
3082   EL_CUSTOM_START + 55,
3083
3084   EL_CUSTOM_START + 56,
3085   EL_CUSTOM_START + 57,
3086   EL_CUSTOM_START + 58,
3087   EL_CUSTOM_START + 59,
3088
3089   EL_CUSTOM_START + 60,
3090   EL_CUSTOM_START + 61,
3091   EL_CUSTOM_START + 62,
3092   EL_CUSTOM_START + 63,
3093
3094   EL_CUSTOM_START + 64,
3095   EL_CUSTOM_START + 65,
3096   EL_CUSTOM_START + 66,
3097   EL_CUSTOM_START + 67,
3098
3099   EL_CUSTOM_START + 68,
3100   EL_CUSTOM_START + 69,
3101   EL_CUSTOM_START + 70,
3102   EL_CUSTOM_START + 71,
3103
3104   EL_CUSTOM_START + 72,
3105   EL_CUSTOM_START + 73,
3106   EL_CUSTOM_START + 74,
3107   EL_CUSTOM_START + 75,
3108
3109   EL_CUSTOM_START + 76,
3110   EL_CUSTOM_START + 77,
3111   EL_CUSTOM_START + 78,
3112   EL_CUSTOM_START + 79,
3113
3114   EL_CUSTOM_START + 80,
3115   EL_CUSTOM_START + 81,
3116   EL_CUSTOM_START + 82,
3117   EL_CUSTOM_START + 83,
3118
3119   EL_CUSTOM_START + 84,
3120   EL_CUSTOM_START + 85,
3121   EL_CUSTOM_START + 86,
3122   EL_CUSTOM_START + 87,
3123
3124   EL_CUSTOM_START + 88,
3125   EL_CUSTOM_START + 89,
3126   EL_CUSTOM_START + 90,
3127   EL_CUSTOM_START + 91,
3128
3129   EL_CUSTOM_START + 92,
3130   EL_CUSTOM_START + 93,
3131   EL_CUSTOM_START + 94,
3132   EL_CUSTOM_START + 95,
3133
3134   EL_CUSTOM_START + 96,
3135   EL_CUSTOM_START + 97,
3136   EL_CUSTOM_START + 98,
3137   EL_CUSTOM_START + 99,
3138
3139   EL_CUSTOM_START + 100,
3140   EL_CUSTOM_START + 101,
3141   EL_CUSTOM_START + 102,
3142   EL_CUSTOM_START + 103,
3143
3144   EL_CUSTOM_START + 104,
3145   EL_CUSTOM_START + 105,
3146   EL_CUSTOM_START + 106,
3147   EL_CUSTOM_START + 107,
3148
3149   EL_CUSTOM_START + 108,
3150   EL_CUSTOM_START + 109,
3151   EL_CUSTOM_START + 110,
3152   EL_CUSTOM_START + 111,
3153
3154   EL_CUSTOM_START + 112,
3155   EL_CUSTOM_START + 113,
3156   EL_CUSTOM_START + 114,
3157   EL_CUSTOM_START + 115,
3158
3159   EL_CUSTOM_START + 116,
3160   EL_CUSTOM_START + 117,
3161   EL_CUSTOM_START + 118,
3162   EL_CUSTOM_START + 119,
3163
3164   EL_CUSTOM_START + 120,
3165   EL_CUSTOM_START + 121,
3166   EL_CUSTOM_START + 122,
3167   EL_CUSTOM_START + 123,
3168
3169   EL_CUSTOM_START + 124,
3170   EL_CUSTOM_START + 125,
3171   EL_CUSTOM_START + 126,
3172   EL_CUSTOM_START + 127
3173 };
3174 static int *editor_hl_custom_ptr = editor_hl_custom;
3175 static int *editor_el_custom_ptr = editor_el_custom;
3176 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
3177 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
3178
3179 static int editor_hl_custom_more[] =
3180 {
3181 };
3182
3183 static int editor_el_custom_more[] =
3184 {
3185   EL_CUSTOM_START + 128,
3186   EL_CUSTOM_START + 129,
3187   EL_CUSTOM_START + 130,
3188   EL_CUSTOM_START + 131,
3189
3190   EL_CUSTOM_START + 132,
3191   EL_CUSTOM_START + 133,
3192   EL_CUSTOM_START + 134,
3193   EL_CUSTOM_START + 135,
3194
3195   EL_CUSTOM_START + 136,
3196   EL_CUSTOM_START + 137,
3197   EL_CUSTOM_START + 138,
3198   EL_CUSTOM_START + 139,
3199
3200   EL_CUSTOM_START + 140,
3201   EL_CUSTOM_START + 141,
3202   EL_CUSTOM_START + 142,
3203   EL_CUSTOM_START + 143,
3204
3205   EL_CUSTOM_START + 144,
3206   EL_CUSTOM_START + 145,
3207   EL_CUSTOM_START + 146,
3208   EL_CUSTOM_START + 147,
3209
3210   EL_CUSTOM_START + 148,
3211   EL_CUSTOM_START + 149,
3212   EL_CUSTOM_START + 150,
3213   EL_CUSTOM_START + 151,
3214
3215   EL_CUSTOM_START + 152,
3216   EL_CUSTOM_START + 153,
3217   EL_CUSTOM_START + 154,
3218   EL_CUSTOM_START + 155,
3219
3220   EL_CUSTOM_START + 156,
3221   EL_CUSTOM_START + 157,
3222   EL_CUSTOM_START + 158,
3223   EL_CUSTOM_START + 159,
3224
3225   EL_CUSTOM_START + 160,
3226   EL_CUSTOM_START + 161,
3227   EL_CUSTOM_START + 162,
3228   EL_CUSTOM_START + 163,
3229
3230   EL_CUSTOM_START + 164,
3231   EL_CUSTOM_START + 165,
3232   EL_CUSTOM_START + 166,
3233   EL_CUSTOM_START + 167,
3234
3235   EL_CUSTOM_START + 168,
3236   EL_CUSTOM_START + 169,
3237   EL_CUSTOM_START + 170,
3238   EL_CUSTOM_START + 171,
3239
3240   EL_CUSTOM_START + 172,
3241   EL_CUSTOM_START + 173,
3242   EL_CUSTOM_START + 174,
3243   EL_CUSTOM_START + 175,
3244
3245   EL_CUSTOM_START + 176,
3246   EL_CUSTOM_START + 177,
3247   EL_CUSTOM_START + 178,
3248   EL_CUSTOM_START + 179,
3249
3250   EL_CUSTOM_START + 180,
3251   EL_CUSTOM_START + 181,
3252   EL_CUSTOM_START + 182,
3253   EL_CUSTOM_START + 183,
3254
3255   EL_CUSTOM_START + 184,
3256   EL_CUSTOM_START + 185,
3257   EL_CUSTOM_START + 186,
3258   EL_CUSTOM_START + 187,
3259
3260   EL_CUSTOM_START + 188,
3261   EL_CUSTOM_START + 189,
3262   EL_CUSTOM_START + 190,
3263   EL_CUSTOM_START + 191,
3264
3265   EL_CUSTOM_START + 192,
3266   EL_CUSTOM_START + 193,
3267   EL_CUSTOM_START + 194,
3268   EL_CUSTOM_START + 195,
3269
3270   EL_CUSTOM_START + 196,
3271   EL_CUSTOM_START + 197,
3272   EL_CUSTOM_START + 198,
3273   EL_CUSTOM_START + 199,
3274
3275   EL_CUSTOM_START + 200,
3276   EL_CUSTOM_START + 201,
3277   EL_CUSTOM_START + 202,
3278   EL_CUSTOM_START + 203,
3279
3280   EL_CUSTOM_START + 204,
3281   EL_CUSTOM_START + 205,
3282   EL_CUSTOM_START + 206,
3283   EL_CUSTOM_START + 207,
3284
3285   EL_CUSTOM_START + 208,
3286   EL_CUSTOM_START + 209,
3287   EL_CUSTOM_START + 210,
3288   EL_CUSTOM_START + 211,
3289
3290   EL_CUSTOM_START + 212,
3291   EL_CUSTOM_START + 213,
3292   EL_CUSTOM_START + 214,
3293   EL_CUSTOM_START + 215,
3294
3295   EL_CUSTOM_START + 216,
3296   EL_CUSTOM_START + 217,
3297   EL_CUSTOM_START + 218,
3298   EL_CUSTOM_START + 219,
3299
3300   EL_CUSTOM_START + 220,
3301   EL_CUSTOM_START + 221,
3302   EL_CUSTOM_START + 222,
3303   EL_CUSTOM_START + 223,
3304
3305   EL_CUSTOM_START + 224,
3306   EL_CUSTOM_START + 225,
3307   EL_CUSTOM_START + 226,
3308   EL_CUSTOM_START + 227,
3309
3310   EL_CUSTOM_START + 228,
3311   EL_CUSTOM_START + 229,
3312   EL_CUSTOM_START + 230,
3313   EL_CUSTOM_START + 231,
3314
3315   EL_CUSTOM_START + 232,
3316   EL_CUSTOM_START + 233,
3317   EL_CUSTOM_START + 234,
3318   EL_CUSTOM_START + 235,
3319
3320   EL_CUSTOM_START + 236,
3321   EL_CUSTOM_START + 237,
3322   EL_CUSTOM_START + 238,
3323   EL_CUSTOM_START + 239,
3324
3325   EL_CUSTOM_START + 240,
3326   EL_CUSTOM_START + 241,
3327   EL_CUSTOM_START + 242,
3328   EL_CUSTOM_START + 243,
3329
3330   EL_CUSTOM_START + 244,
3331   EL_CUSTOM_START + 245,
3332   EL_CUSTOM_START + 246,
3333   EL_CUSTOM_START + 247,
3334
3335   EL_CUSTOM_START + 248,
3336   EL_CUSTOM_START + 249,
3337   EL_CUSTOM_START + 250,
3338   EL_CUSTOM_START + 251,
3339
3340   EL_CUSTOM_START + 252,
3341   EL_CUSTOM_START + 253,
3342   EL_CUSTOM_START + 254,
3343   EL_CUSTOM_START + 255,
3344
3345   EL_TRIGGER_ELEMENT,
3346   EL_TRIGGER_PLAYER,
3347   EL_EMPTY,
3348   EL_EMPTY
3349 };
3350 static int *editor_hl_custom_more_ptr = editor_hl_custom_more;
3351 static int *editor_el_custom_more_ptr = editor_el_custom_more;
3352 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
3353 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
3354
3355 static int editor_hl_group[] =
3356 {
3357   EL_CHAR('G'),
3358   EL_CHAR('R'),
3359   EL_CHAR('O'),
3360   EL_CHAR('U'),
3361
3362   EL_CHAR('P'),
3363   EL_CHAR(' '),
3364   EL_CHAR(' '),
3365   EL_CHAR(' '),
3366
3367   EL_CHAR('E'),
3368   EL_CHAR('L'),
3369   EL_CHAR('E'),
3370   EL_CHAR('M'),
3371
3372   EL_CHAR('E'),
3373   EL_CHAR('N'),
3374   EL_CHAR('T'),
3375   EL_CHAR('S'),
3376 };
3377
3378 static int editor_el_group[] =
3379 {
3380   EL_GROUP_START + 0,
3381   EL_GROUP_START + 1,
3382   EL_GROUP_START + 2,
3383   EL_GROUP_START + 3,
3384
3385   EL_GROUP_START + 4,
3386   EL_GROUP_START + 5,
3387   EL_GROUP_START + 6,
3388   EL_GROUP_START + 7,
3389
3390   EL_GROUP_START + 8,
3391   EL_GROUP_START + 9,
3392   EL_GROUP_START + 10,
3393   EL_GROUP_START + 11,
3394
3395   EL_GROUP_START + 12,
3396   EL_GROUP_START + 13,
3397   EL_GROUP_START + 14,
3398   EL_GROUP_START + 15
3399 };
3400 static int *editor_hl_group_ptr = editor_hl_group;
3401 static int *editor_el_group_ptr = editor_el_group;
3402 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
3403 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
3404
3405 static int editor_hl_group_more[] =
3406 {
3407 };
3408
3409 static int editor_el_group_more[] =
3410 {
3411   EL_GROUP_START + 16,
3412   EL_GROUP_START + 17,
3413   EL_GROUP_START + 18,
3414   EL_GROUP_START + 19,
3415
3416   EL_GROUP_START + 20,
3417   EL_GROUP_START + 21,
3418   EL_GROUP_START + 22,
3419   EL_GROUP_START + 23,
3420
3421   EL_GROUP_START + 24,
3422   EL_GROUP_START + 25,
3423   EL_GROUP_START + 26,
3424   EL_GROUP_START + 27,
3425
3426   EL_GROUP_START + 28,
3427   EL_GROUP_START + 29,
3428   EL_GROUP_START + 30,
3429   EL_GROUP_START + 31
3430 };
3431 static int *editor_hl_group_more_ptr = editor_hl_group_more;
3432 static int *editor_el_group_more_ptr = editor_el_group_more;
3433 static int num_editor_hl_group_more = SIZEOF_ARRAY_INT(editor_hl_group_more);
3434 static int num_editor_el_group_more = SIZEOF_ARRAY_INT(editor_el_group_more);
3435
3436 static int editor_hl_user_defined[] =
3437 {
3438   EL_CHAR('U'),
3439   EL_CHAR('S'),
3440   EL_CHAR('E'),
3441   EL_CHAR('R'),
3442
3443   EL_CHAR('D'),
3444   EL_CHAR('E'),
3445   EL_CHAR('F'),
3446   EL_CHAR('I'),
3447
3448   EL_CHAR('-'),
3449   EL_CHAR('N'),
3450   EL_CHAR('E'),
3451   EL_CHAR('D'),
3452 };
3453
3454 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
3455 static int *editor_el_user_defined_ptr = NULL;
3456 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
3457 static int num_editor_el_user_defined = 0;
3458
3459 static int editor_hl_empty[] = { };
3460 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
3461
3462 static int *editor_hl_empty_ptr = editor_hl_empty;
3463 static int *editor_el_empty_ptr = editor_el_empty;
3464 static int num_editor_hl_empty = 0;
3465 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
3466
3467 static boolean use_el_empty = FALSE;
3468
3469 static int *editor_elements = NULL;     /* dynamically allocated */
3470 static int num_editor_elements = 0;     /* dynamically determined */
3471
3472 static struct
3473 {
3474   boolean *setup_value;
3475
3476   int **headline_list;
3477   int *headline_list_size;
3478
3479   int **element_list;
3480   int *element_list_size;
3481
3482   boolean last_setup_value;
3483 }
3484 editor_elements_info[] =
3485 {
3486   {
3487     &setup.editor.el_boulderdash,
3488     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
3489     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
3490   },
3491   {
3492     &setup.editor.el_emerald_mine,
3493     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
3494     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
3495   },
3496   {
3497     &setup.editor.el_more,
3498     &editor_hl_more_ptr,                &num_editor_hl_more,
3499     &editor_el_more_ptr,                &num_editor_el_more
3500   },
3501   {
3502     &setup.editor.el_sokoban,
3503     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
3504     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
3505   },
3506   {
3507     &setup.editor.el_supaplex,
3508     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
3509     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
3510   },
3511   {
3512     &setup.editor.el_diamond_caves,
3513     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
3514     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
3515   },
3516   {
3517     &setup.editor.el_dx_boulderdash,
3518     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
3519     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
3520   },
3521   {
3522     &setup.editor.el_chars,
3523     &editor_hl_chars_ptr,               &num_editor_hl_chars,
3524     &editor_el_chars_ptr,               &num_editor_el_chars
3525   },
3526   {
3527     &setup.editor.el_custom,
3528     &editor_hl_custom_ptr,              &num_editor_hl_custom,
3529     &editor_el_custom_ptr,              &num_editor_el_custom
3530   },
3531   {
3532     &setup.editor.el_custom_more,
3533     &editor_hl_custom_more_ptr,         &num_editor_hl_custom_more,
3534     &editor_el_custom_more_ptr,         &num_editor_el_custom_more
3535   },
3536   {
3537     &setup.editor.el_custom,
3538     &editor_hl_group_ptr,               &num_editor_hl_group,
3539     &editor_el_group_ptr,               &num_editor_el_group
3540   },
3541   {
3542     &setup.editor.el_custom_more,
3543     &editor_hl_group_more_ptr,          &num_editor_hl_group_more,
3544     &editor_el_group_more_ptr,          &num_editor_el_group_more
3545   },
3546   {
3547     &setup.editor.el_user_defined,
3548     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
3549     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
3550   },
3551   {
3552     &use_el_empty,
3553     &editor_hl_empty_ptr,               &num_editor_hl_empty,
3554     &editor_el_empty_ptr,               &num_editor_el_empty,
3555   },
3556   {
3557     NULL,
3558     NULL,                               NULL,
3559     NULL,                               NULL
3560   }
3561 };
3562
3563 #if 0
3564
3565 static struct
3566 {
3567   short element;
3568   short element_mapped;
3569 }
3570 forum_sketch_element_mapping[] =
3571 {
3572   { EL_WALL_SLIPPERY,                   EL_WALL                 },
3573   { EL_EXPANDABLE_WALL,                 EL_WALL                 },
3574   { EL_EXPANDABLE_WALL_HORIZONTAL,      EL_WALL                 },
3575   { EL_EXPANDABLE_WALL_VERTICAL,        EL_WALL                 },
3576   { EL_EXPANDABLE_WALL_ANY,             EL_WALL                 },
3577   { EL_WALL_EMERALD,                    EL_WALL                 },
3578   { EL_WALL_DIAMOND,                    EL_WALL                 },
3579   { EL_WALL_BD_DIAMOND,                 EL_WALL                 },
3580   { EL_WALL_EMERALD_YELLOW,             EL_WALL                 },
3581   { EL_WALL_EMERALD_RED,                EL_WALL                 },
3582   { EL_WALL_EMERALD_PURPLE,             EL_WALL                 },
3583   { EL_ACID_POOL_TOPLEFT,               EL_WALL                 },
3584   { EL_ACID_POOL_TOPRIGHT,              EL_WALL                 },
3585   { EL_ACID_POOL_BOTTOMLEFT,            EL_WALL                 },
3586   { EL_ACID_POOL_BOTTOM,                EL_WALL                 },
3587   { EL_ACID_POOL_BOTTOMRIGHT,           EL_WALL                 },
3588   { EL_BD_WALL,                         EL_WALL                 },
3589
3590   { EL_BD_ROCK,                         EL_ROCK                 },
3591
3592   { EL_SP_ZONK,                         EL_ROCK                 },
3593   { EL_SP_BASE,                         EL_SAND                 },
3594   { EL_SP_MURPHY,                       EL_PLAYER_1             },
3595   { EL_SP_INFOTRON,                     EL_EMERALD              },
3596   { EL_SP_HARDWARE_GRAY,                EL_STEELWALL            },
3597   { EL_SP_EXIT_CLOSED,                  EL_EXIT_OPEN            },
3598   { EL_SP_DISK_ORANGE,                  EL_BOMB                 },
3599   { EL_SP_DISK_RED,                     EL_BOMB                 },
3600   { EL_SP_DISK_YELLOW,                  EL_BOMB                 },
3601   { EL_SP_PORT_RIGHT,                   EL_GATE_1_GRAY          },
3602   { EL_SP_PORT_DOWN,                    EL_GATE_1_GRAY          },
3603   { EL_SP_PORT_LEFT,                    EL_GATE_1_GRAY          },
3604   { EL_SP_PORT_UP,                      EL_GATE_1_GRAY          },
3605   { EL_SP_GRAVITY_PORT_RIGHT,           EL_GATE_1_GRAY          },
3606   { EL_SP_GRAVITY_PORT_DOWN,            EL_GATE_1_GRAY          },
3607   { EL_SP_GRAVITY_PORT_LEFT,            EL_GATE_1_GRAY          },
3608   { EL_SP_GRAVITY_PORT_UP,              EL_GATE_1_GRAY          },
3609   { EL_SP_PORT_VERTICAL,                EL_GATE_1_GRAY          },
3610   { EL_SP_PORT_HORIZONTAL,              EL_GATE_1_GRAY          },
3611   { EL_SP_PORT_ANY,                     EL_GATE_1_GRAY          },
3612   { EL_SP_SNIKSNAK,                     EL_BUG                  },
3613   { EL_SP_ELECTRON,                     EL_SPACESHIP            },
3614   { EL_SP_CHIP_SINGLE,                  EL_WALL                 },
3615   { EL_SP_CHIP_LEFT,                    EL_WALL                 },
3616   { EL_SP_CHIP_RIGHT,                   EL_WALL                 },
3617   { EL_SP_CHIP_TOP,                     EL_WALL                 },
3618   { EL_SP_CHIP_BOTTOM,                  EL_WALL                 },
3619   { EL_SP_HARDWARE_BASE_1,              EL_STEELWALL            },
3620   { EL_SP_HARDWARE_GREEN,               EL_STEELWALL            },
3621   { EL_SP_HARDWARE_BLUE,                EL_STEELWALL            },
3622   { EL_SP_HARDWARE_RED,                 EL_STEELWALL            },
3623   { EL_SP_HARDWARE_YELLOW,              EL_STEELWALL            },
3624   { EL_SP_HARDWARE_BASE_2,              EL_STEELWALL            },
3625   { EL_SP_HARDWARE_BASE_3,              EL_STEELWALL            },
3626   { EL_SP_HARDWARE_BASE_3,              EL_STEELWALL            },
3627   { EL_SP_HARDWARE_BASE_4,              EL_STEELWALL            },
3628   { EL_SP_HARDWARE_BASE_5,              EL_STEELWALL            },
3629   { EL_SP_HARDWARE_BASE_6,              EL_STEELWALL            },
3630
3631   { EL_STEELWALL_SLIPPERY,              EL_STEELWALL            },
3632
3633   { EL_EXIT_CLOSED,                     EL_EXIT_OPEN            },
3634
3635   { EL_DIAMOND,                         EL_EMERALD              },
3636   { EL_BD_DIAMOND,                      EL_EMERALD              },
3637   { EL_EMERALD_YELLOW,                  EL_EMERALD              },
3638   { EL_EMERALD_RED,                     EL_EMERALD              },
3639   { EL_EMERALD_PURPLE,                  EL_EMERALD              },
3640
3641   { EL_AMOEBA_DEAD,                     EL_AMOEBA               },
3642   { EL_AMOEBA_DROP,                     EL_AMOEBA               },
3643   { EL_AMOEBA_WET,                      EL_AMOEBA               },
3644   { EL_AMOEBA_DRY,                      EL_AMOEBA               },
3645   { EL_AMOEBA_FULL,                     EL_AMOEBA               },
3646   { EL_BD_AMOEBA,                       EL_AMOEBA               },
3647   { EL_AMOEBA_TO_DIAMOND,               EL_AMOEBA               },
3648
3649   { EL_DYNAMITE_ACTIVE,                 EL_DYNAMITE             },
3650
3651   { EL_GATE_2_GRAY,                     EL_GATE_1_GRAY          },
3652   { EL_GATE_3_GRAY,                     EL_GATE_1_GRAY          },
3653   { EL_GATE_4_GRAY,                     EL_GATE_1_GRAY          },
3654
3655   { EL_EM_KEY_1,                        EL_KEY_1                },
3656   { EL_EM_KEY_2,                        EL_KEY_2                },
3657   { EL_EM_KEY_3,                        EL_KEY_3                },
3658   { EL_EM_KEY_4,                        EL_KEY_4                },
3659
3660   { EL_EM_GATE_1,                       EL_GATE_1               },
3661   { EL_EM_GATE_2,                       EL_GATE_2               },
3662   { EL_EM_GATE_3,                       EL_GATE_3               },
3663   { EL_EM_GATE_4,                       EL_GATE_4               },
3664
3665   { EL_EM_GATE_1_GRAY,                  EL_GATE_1_GRAY          },
3666   { EL_EM_GATE_2_GRAY,                  EL_GATE_1_GRAY          },
3667   { EL_EM_GATE_3_GRAY,                  EL_GATE_1_GRAY          },
3668   { EL_EM_GATE_4_GRAY,                  EL_GATE_1_GRAY          },
3669
3670   { EL_INVISIBLE_SAND,                  EL_EMPTY                },
3671   { EL_INVISIBLE_WALL,                  EL_EMPTY                },
3672   { EL_INVISIBLE_STEELWALL,             EL_EMPTY                },
3673
3674   { EL_PACMAN,                          EL_YAMYAM               },
3675   { EL_DARK_YAMYAM,                     EL_YAMYAM               },
3676
3677   { EL_BD_MAGIC_WALL,                   EL_MAGIC_WALL           },
3678
3679   { EL_DYNABOMB_INCREASE_NUMBER,        EL_BOMB                 },
3680   { EL_DYNABOMB_INCREASE_SIZE,          EL_BOMB                 },
3681   { EL_DYNABOMB_INCREASE_POWER,         EL_BOMB                 },
3682   { EL_BLACK_ORB,                       EL_BOMB                 },
3683   { EL_DX_SUPABOMB,                     EL_BOMB                 },
3684
3685   { EL_SOKOBAN_OBJECT,                  EL_KEY_1                },
3686   { EL_SOKOBAN_FIELD_EMPTY,             EL_GATE_1_GRAY          },
3687   { EL_SOKOBAN_FIELD_FULL,              EL_GATE_1               },
3688   { EL_SOKOBAN_FIELD_PLAYER,            EL_PLAYER_1             },
3689
3690   { EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY         },
3691   { EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY         },
3692   { EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY         },
3693   { EL_BD_BUTTERFLY_DOWN,               EL_BD_BUTTERFLY         },
3694
3695   { EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY           },
3696   { EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY           },
3697   { EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY           },
3698   { EL_BD_FIREFLY_DOWN,                 EL_BD_FIREFLY           },
3699
3700   { EL_PLAYER_2,                        EL_PLAYER_1             },
3701   { EL_PLAYER_3,                        EL_PLAYER_1             },
3702   { EL_PLAYER_4,                        EL_PLAYER_1             },
3703
3704   { EL_BUG_RIGHT,                       EL_BUG                  },
3705   { EL_BUG_UP,                          EL_BUG                  },
3706   { EL_BUG_LEFT,                        EL_BUG                  },
3707   { EL_BUG_DOWN,                        EL_BUG                  },
3708
3709   { EL_SPACESHIP_RIGHT,                 EL_SPACESHIP            },
3710   { EL_SPACESHIP_UP,                    EL_SPACESHIP            },
3711   { EL_SPACESHIP_LEFT,                  EL_SPACESHIP            },
3712   { EL_SPACESHIP_DOWN,                  EL_SPACESHIP            },
3713
3714   { EL_PACMAN_RIGHT,                    EL_YAMYAM               },
3715   { EL_PACMAN_UP,                       EL_YAMYAM               },
3716   { EL_PACMAN_LEFT,                     EL_YAMYAM               },
3717   { EL_PACMAN_DOWN,                     EL_YAMYAM               },
3718
3719   { -1,                                 -1                      }
3720 };
3721
3722 static struct
3723 {
3724   short element;
3725   char *element_string;
3726 }
3727 forum_sketch_element_strings[] =
3728 {
3729   { EL_PLAYER_1,                "p" },
3730   { EL_EMPTY,                   "_" },
3731   { EL_SAND,                    "s" },
3732   { EL_ROCK,                    "b" },
3733   { EL_EMERALD,                 "e" },
3734   { EL_BUG,                     "u" },
3735   { EL_SPACESHIP,               "h" },
3736   { EL_BD_FIREFLY,              "f" },
3737   { EL_BD_BUTTERFLY,            "b" },
3738   { EL_AMOEBA,                  "a" },
3739   { EL_YAMYAM,                  "y" },
3740   { EL_WALL,                    "w" },
3741   { EL_STEELWALL,               "t" },
3742   { EL_MAGIC_WALL,              "m" },
3743   { EL_EXIT_OPEN,               "x" },
3744   { EL_DYNAMITE,                "d" },
3745   { EL_KEY_1,                   "1" },
3746   { EL_KEY_2,                   "2" },
3747   { EL_KEY_3,                   "3" },
3748   { EL_KEY_4,                   "4" },
3749   { EL_GATE_1,                  "5" },
3750   { EL_GATE_2,                  "6" },
3751   { EL_GATE_3,                  "7" },
3752   { EL_GATE_4,                  "8" },
3753   { EL_GATE_1_GRAY,             "9" },
3754   { EL_BOMB,                    "@" },
3755   { EL_ROBOT,                   "r" },
3756   { EL_ROBOT_WHEEL,             "0" },
3757   { EL_NUT,                     "n" },
3758   { EL_CUSTOM_1,                "c" },
3759   { EL_CHAR_QUESTION,           "?" },
3760
3761   { -1,                         NULL }
3762 };
3763
3764 #endif
3765
3766
3767 /*
3768   -----------------------------------------------------------------------------
3769   functions
3770   -----------------------------------------------------------------------------
3771 */
3772
3773 static int getMaxInfoTextLength()
3774 {
3775   return (SXSIZE / getFontWidth(FONT_TEXT_2));
3776 }
3777
3778 static int getTextWidthForGadget(char *text)
3779 {
3780   if (text == NULL)
3781     return 0;
3782
3783   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
3784 }
3785
3786 static int getTextWidthForDrawingArea(char *text)
3787 {
3788   if (text == NULL)
3789     return 0;
3790
3791   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
3792 }
3793
3794 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
3795 {
3796   return (gi->x + gi->width + getTextWidthForGadget(text));
3797 }
3798
3799 static char *getElementInfoText(int element)
3800 {
3801   char *info_text = NULL;
3802
3803   if (element < NUM_FILE_ELEMENTS)
3804   {
3805     if (strlen(element_info[element].description) > 0)
3806       info_text = element_info[element].description;
3807     else if (element_info[element].custom_description != NULL)
3808       info_text = element_info[element].custom_description;
3809     else if (element_info[element].editor_description != NULL)
3810       info_text = element_info[element].editor_description;
3811   }
3812
3813   if (info_text == NULL)
3814     info_text = INFOTEXT_UNKNOWN_ELEMENT;
3815
3816   return info_text;
3817 }
3818
3819 static void ReinitializeElementList()
3820 {
3821   static boolean initialized = FALSE;
3822   int pos = 0;
3823   int i, j;
3824
3825   checked_free(editor_elements);
3826
3827   if (!initialized)
3828   {
3829     /* initialize optional user defined element list */
3830     LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
3831                                      &num_editor_el_user_defined);
3832
3833     /* initialize list of empty elements (used for padding, if needed) */
3834     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3835       editor_el_empty[i] = EL_EMPTY;
3836
3837     /* do some sanity checks for each element from element list */
3838     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3839     {
3840       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3841       {
3842         int element = (*editor_elements_info[i].element_list)[j];
3843
3844         if (element >= NUM_FILE_ELEMENTS)
3845           Error(ERR_WARN, "editor element %d is runtime element", element);
3846
3847         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
3848           Error(ERR_WARN, "no element description for element %d", element);
3849       }
3850     }
3851
3852     initialized = TRUE;
3853   }
3854
3855   num_editor_elements = 0;
3856   use_el_empty = FALSE;
3857
3858   /* determine size of element list */
3859   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3860   {
3861     if (*editor_elements_info[i].setup_value)
3862     {
3863       if (setup.editor.el_headlines)
3864         num_editor_elements += *editor_elements_info[i].headline_list_size;
3865
3866       num_editor_elements += *editor_elements_info[i].element_list_size;
3867     }
3868   }
3869
3870   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3871   {
3872     /* offer at least as many elements as element buttons exist */
3873     use_el_empty = TRUE;
3874     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
3875
3876     num_editor_elements += num_editor_el_empty;
3877   }
3878
3879   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3880
3881   /* fill element list */
3882   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3883   {
3884     if (*editor_elements_info[i].setup_value)
3885     {
3886       if (setup.editor.el_headlines)
3887         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3888           editor_elements[pos++] = (*editor_elements_info[i].headline_list)[j];
3889
3890       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3891         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
3892     }
3893   }
3894
3895   /* correct position of element list scrollbar */
3896   if (element_shift < 0)
3897     element_shift = 0;
3898   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3899     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3900 }
3901
3902 void PrintEditorElementList()
3903 {
3904   boolean *stop = &setup.editor.el_user_defined;
3905   int i, j;
3906
3907   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
3908   {
3909     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3910     {
3911       int element = (*editor_elements_info[i].headline_list)[j];
3912
3913       printf("# %s\n", element_info[element].token_name);
3914     }
3915
3916     if (j > 0)
3917       printf("#\n");
3918
3919     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3920     {
3921       int element = (*editor_elements_info[i].element_list)[j];
3922
3923       printf("# %s\n", element_info[element].token_name);
3924     }
3925
3926     if (j > 0)
3927       printf("#\n");
3928   }
3929 }
3930
3931 static void ReinitializeElementListButtons()
3932 {
3933   static boolean last_setup_value_headlines = FALSE;
3934   static boolean initialization_needed = TRUE;
3935   int i;
3936
3937   if (!initialization_needed)   /* check if editor element setup has changed */
3938   {
3939     if (last_setup_value_headlines != setup.editor.el_headlines)
3940       initialization_needed = TRUE;
3941
3942     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3943       if (editor_elements_info[i].last_setup_value !=
3944           *editor_elements_info[i].setup_value)
3945         initialization_needed = TRUE;
3946   }
3947
3948   if (!initialization_needed)
3949     return;
3950
3951   FreeLevelEditorGadgets();
3952   CreateLevelEditorGadgets();
3953
3954   /* store current setup values for next invocation of this function */
3955   last_setup_value_headlines = setup.editor.el_headlines;
3956   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3957     editor_elements_info[i].last_setup_value =
3958       *editor_elements_info[i].setup_value;
3959
3960   initialization_needed = FALSE;
3961 }
3962
3963 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3964                               boolean input)
3965 {
3966   int border_graphic =
3967     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3968   Bitmap *src_bitmap;
3969   int src_x, src_y;
3970   int num_mini_tilex = width  / MINI_TILEX + 1;
3971   int num_mini_tiley = height / MINI_TILEY + 1;
3972   int x, y;
3973
3974   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3975
3976   for (y = 0; y < num_mini_tiley; y++)
3977     for (x = 0; x < num_mini_tilex; x++)
3978       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3979                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3980                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3981
3982   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3983 }
3984
3985 static void DrawDrawingArea(int id)
3986 {
3987   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3988   int x, y;
3989
3990   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3991     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3992                        el2edimg(random_placement_background_element));
3993   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3994     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3995   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3996     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3997                        el2edimg(custom_element.gfx_element));
3998   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3999     for (y = 0; y < 3; y++)
4000       for (x = 0; x < 3; x++)
4001         DrawMiniGraphicExt(drawto,
4002                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
4003                            el2edimg(custom_element.content[x][y]));
4004   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_ENTER)
4005     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4006                        el2edimg(custom_element.move_enter_element));
4007   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_LEAVE)
4008     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4009                        el2edimg(custom_element.move_leave_element));
4010   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
4011     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4012                        el2edimg(custom_element_change.target_element));
4013   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
4014     for (y = 0; y < 3; y++)
4015       for (x = 0; x < 3; x++)
4016         DrawMiniGraphicExt(drawto,
4017                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
4018                            el2edimg(custom_element_change.target_content[x][y]));
4019   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
4020     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4021                        el2edimg(custom_element_change.trigger_element));
4022   else if (id == ED_DRAWING_ID_GROUP_CONTENT)
4023     for (x = 0; x < group_element_info.num_elements; x++)
4024       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX, gi->y,
4025                          el2edimg(group_element_info.element[x]));
4026   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
4027            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
4028   {
4029     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
4030
4031     for (y = 0; y < 3; y++)
4032       for (x = 0; x < 3; x++)
4033         DrawMiniGraphicExt(drawto,
4034                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
4035                            el2edimg(level.yamyam_content[nr][x][y]));
4036   }
4037 }
4038
4039 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
4040 {
4041   int x,y;
4042   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
4043   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
4044
4045   BlitBitmap(drawto, drawto,
4046              SX + (dx == -1 ? MINI_TILEX : 0),
4047              SY + (dy == -1 ? MINI_TILEY : 0),
4048              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
4049              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
4050              SX + (dx == +1 ? MINI_TILEX : 0),
4051              SY + (dy == +1 ? MINI_TILEY : 0));
4052   if (dx)
4053   {
4054     x = (dx == 1 ? 0 : ed_fieldx - 1);
4055     for (y = 0; y < ed_fieldy; y++)
4056       DrawMiniElementOrWall(x, y, from_x, from_y);
4057   }
4058   else if (dy)
4059   {
4060     y = (dy == 1 ? 0 : ed_fieldy - 1);
4061     for (x = 0; x < ed_fieldx; x++)
4062       DrawMiniElementOrWall(x, y, from_x, from_y);
4063   }
4064
4065   redraw_mask |= REDRAW_FIELD;
4066   BackToFront();
4067 }
4068
4069 static void CreateControlButtons()
4070 {
4071   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4072   struct GadgetInfo *gi;
4073   unsigned long event_mask;
4074   int i;
4075
4076   /* create toolbox buttons */
4077   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
4078   {
4079     int id = i;
4080     int width, height;
4081     int gd_xoffset, gd_yoffset;
4082     int gd_x1, gd_x2, gd_y1, gd_y2;
4083     int button_type;
4084     int radio_button_nr;
4085     boolean checked;
4086
4087     if (id == GADGET_ID_SINGLE_ITEMS ||
4088         id == GADGET_ID_CONNECTED_ITEMS ||
4089         id == GADGET_ID_LINE ||
4090         id == GADGET_ID_ARC ||
4091         id == GADGET_ID_TEXT ||
4092         id == GADGET_ID_RECTANGLE ||
4093         id == GADGET_ID_FILLED_BOX ||
4094         id == GADGET_ID_FLOOD_FILL ||
4095         id == GADGET_ID_GRAB_BRUSH ||
4096         id == GADGET_ID_PICK_ELEMENT ||
4097         id == GADGET_ID_CUSTOM_COPY_FROM ||
4098         id == GADGET_ID_CUSTOM_COPY_TO ||
4099         id == GADGET_ID_CUSTOM_EXCHANGE)
4100     {
4101       button_type = GD_TYPE_RADIO_BUTTON;
4102       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
4103       checked = (id == drawing_function ? TRUE : FALSE);
4104       event_mask = GD_EVENT_PRESSED;
4105     }
4106     else
4107     {
4108       button_type = GD_TYPE_NORMAL_BUTTON;
4109       radio_button_nr = RADIO_NR_NONE;
4110       checked = FALSE;
4111
4112       if (id == GADGET_ID_WRAP_LEFT ||
4113           id == GADGET_ID_WRAP_RIGHT ||
4114           id == GADGET_ID_WRAP_UP ||
4115           id == GADGET_ID_WRAP_DOWN)
4116         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4117       else
4118         event_mask = GD_EVENT_RELEASED;
4119     }
4120
4121     if (id < ED_NUM_CTRL1_BUTTONS)
4122     {
4123       int x = i % ED_CTRL1_BUTTONS_HORIZ;
4124       int y = i / ED_CTRL1_BUTTONS_HORIZ;
4125
4126       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
4127       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
4128       width  = ED_CTRL1_BUTTON_XSIZE;
4129       height = ED_CTRL1_BUTTON_YSIZE;
4130
4131       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
4132       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
4133       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
4134       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
4135     }
4136     else if (id < ED_NUM_CTRL1_2_BUTTONS)
4137     {
4138       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
4139       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
4140
4141       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
4142       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
4143       width  = ED_CTRL2_BUTTON_XSIZE;
4144       height = ED_CTRL2_BUTTON_YSIZE;
4145
4146       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
4147       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
4148       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
4149       gd_y2 = 0;        /* no alternative graphic for these buttons */
4150     }
4151     else if (id < ED_NUM_CTRL1_3_BUTTONS)
4152     {
4153       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
4154       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
4155
4156       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
4157       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
4158       width  = ED_CTRL3_BUTTON_XSIZE;
4159       height = ED_CTRL3_BUTTON_YSIZE;
4160
4161       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
4162       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
4163       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
4164       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
4165     }
4166     else
4167     {
4168       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
4169       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
4170
4171       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
4172       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
4173       width  = ED_CTRL4_BUTTON_XSIZE;
4174       height = ED_CTRL4_BUTTON_YSIZE;
4175
4176       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
4177       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
4178       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
4179       gd_y2 = 0;        /* no alternative graphic for these buttons */
4180     }
4181
4182     gi = CreateGadget(GDI_CUSTOM_ID, id,
4183                       GDI_CUSTOM_TYPE_ID, i,
4184                       GDI_INFO_TEXT, control_info[i].text,
4185                       GDI_X, EX + gd_xoffset,
4186                       GDI_Y, EY + gd_yoffset,
4187                       GDI_WIDTH, width,
4188                       GDI_HEIGHT, height,
4189                       GDI_TYPE, button_type,
4190                       GDI_STATE, GD_BUTTON_UNPRESSED,
4191                       GDI_RADIO_NR, radio_button_nr,
4192                       GDI_CHECKED, checked,
4193                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4194                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4195                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4196                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4197                       GDI_EVENT_MASK, event_mask,
4198                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4199                       GDI_CALLBACK_ACTION, HandleControlButtons,
4200                       GDI_END);
4201
4202     if (gi == NULL)
4203       Error(ERR_EXIT, "cannot create gadget");
4204
4205     level_editor_gadget[id] = gi;
4206   }
4207
4208   /* create buttons for scrolling of drawing area and element list */
4209   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
4210   {
4211     int id = scrollbutton_info[i].gadget_id;
4212     int x, y, width, height;
4213     int gd_x1, gd_x2, gd_y1, gd_y2;
4214
4215     x = scrollbutton_info[i].x;
4216     y = scrollbutton_info[i].y;
4217
4218     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4219
4220     if (id == GADGET_ID_SCROLL_LIST_UP ||
4221         id == GADGET_ID_SCROLL_LIST_DOWN)
4222     {
4223       x += DX;
4224       y += DY;
4225       width = ED_SCROLLBUTTON2_XSIZE;
4226       height = ED_SCROLLBUTTON2_YSIZE;
4227       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
4228       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
4229       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
4230       gd_y2 = gd_y1;
4231     }
4232     else
4233     {
4234       x += SX;
4235       y += SY;
4236       width = ED_SCROLLBUTTON_XSIZE;
4237       height = ED_SCROLLBUTTON_YSIZE;
4238       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
4239       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
4240       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
4241       gd_y2 = gd_y1;
4242     }
4243
4244     gi = CreateGadget(GDI_CUSTOM_ID, id,
4245                       GDI_CUSTOM_TYPE_ID, i,
4246                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
4247                       GDI_X, x,
4248                       GDI_Y, y,
4249                       GDI_WIDTH, width,
4250                       GDI_HEIGHT, height,
4251                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4252                       GDI_STATE, GD_BUTTON_UNPRESSED,
4253                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4254                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4255                       GDI_EVENT_MASK, event_mask,
4256                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4257                       GDI_CALLBACK_ACTION, HandleControlButtons,
4258                       GDI_END);
4259
4260     if (gi == NULL)
4261       Error(ERR_EXIT, "cannot create gadget");
4262
4263     level_editor_gadget[id] = gi;
4264   }
4265
4266   /* create buttons for element list */
4267   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4268   {
4269     Bitmap *deco_bitmap;
4270     int deco_x, deco_y, deco_xpos, deco_ypos;
4271     int gd_xoffset, gd_yoffset;
4272     int gd_x1, gd_x2, gd_y;
4273     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
4274     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
4275     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
4276     int element = editor_elements[i];
4277
4278     event_mask = GD_EVENT_RELEASED;
4279
4280     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
4281     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
4282
4283     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
4284     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
4285     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
4286
4287     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
4288     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
4289     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
4290
4291     gi = CreateGadget(GDI_CUSTOM_ID, id,
4292                       GDI_CUSTOM_TYPE_ID, i,
4293                       GDI_INFO_TEXT, getElementInfoText(element),
4294                       GDI_X, DX + gd_xoffset,
4295                       GDI_Y, DY + gd_yoffset,
4296                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
4297                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
4298                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4299                       GDI_STATE, GD_BUTTON_UNPRESSED,
4300                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4301                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4302                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
4303                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
4304                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
4305                       GDI_DECORATION_SHIFTING, 1, 1,
4306                       GDI_EVENT_MASK, event_mask,
4307                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4308                       GDI_CALLBACK_ACTION, HandleControlButtons,
4309                       GDI_END);
4310
4311     if (gi == NULL)
4312       Error(ERR_EXIT, "cannot create gadget");
4313
4314     level_editor_gadget[id] = gi;
4315   }
4316 }
4317
4318 static void CreateCounterButtons()
4319 {
4320   int max_infotext_len = getMaxInfoTextLength();
4321   int i;
4322
4323   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
4324   {
4325     int j;
4326     int x = SX + counterbutton_info[i].x;       /* down count button */
4327     int y = SY + counterbutton_info[i].y;
4328
4329     /* determine horizontal position to the right of specified gadget */
4330     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4331       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
4332            ED_GADGET_TEXT_DISTANCE);
4333
4334     /* determine horizontal offset for leading text */
4335     if (counterbutton_info[i].text_left != NULL)
4336       x += getTextWidthForGadget(counterbutton_info[i].text_left);
4337
4338     for (j = 0; j < 2; j++)
4339     {
4340       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4341       struct GadgetInfo *gi;
4342       int id = (j == 0 ?
4343                 counterbutton_info[i].gadget_id_down :
4344                 counterbutton_info[i].gadget_id_up);
4345       int gd_xoffset;
4346       int gd_x, gd_x1, gd_x2, gd_y;
4347       int x_size, y_size;
4348       unsigned long event_mask;
4349       char infotext[max_infotext_len + 1];
4350
4351       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4352
4353       if (i == ED_COUNTER_ID_SELECT_LEVEL)
4354       {
4355         int sid = (j == 0 ?
4356                    ED_SCROLLBUTTON_ID_AREA_LEFT :
4357                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
4358
4359         event_mask |= GD_EVENT_RELEASED;
4360
4361         if (j == 1)
4362           x += 2 * ED_GADGET_DISTANCE;
4363         y += ED_GADGET_DISTANCE;
4364
4365         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
4366         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
4367         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
4368         x_size = ED_SCROLLBUTTON_XSIZE;
4369         y_size = ED_SCROLLBUTTON_YSIZE;
4370       }
4371       else
4372       {
4373         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
4374         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
4375         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
4376         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
4377         x_size = ED_BUTTON_COUNT_XSIZE;
4378         y_size = ED_BUTTON_COUNT_YSIZE;
4379       }
4380
4381       sprintf(infotext, "%s counter value by 1, 5 or 10",
4382               (j == 0 ? "decrease" : "increase"));
4383
4384       gi = CreateGadget(GDI_CUSTOM_ID, id,
4385                         GDI_CUSTOM_TYPE_ID, i,
4386                         GDI_INFO_TEXT, infotext,
4387                         GDI_X, x,
4388                         GDI_Y, y,
4389                         GDI_WIDTH, x_size,
4390                         GDI_HEIGHT, y_size,
4391                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4392                         GDI_STATE, GD_BUTTON_UNPRESSED,
4393                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4394                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4395                         GDI_EVENT_MASK, event_mask,
4396                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4397                         GDI_CALLBACK_ACTION, HandleCounterButtons,
4398                         GDI_END);
4399
4400       if (gi == NULL)
4401         Error(ERR_EXIT, "cannot create gadget");
4402
4403       level_editor_gadget[id] = gi;
4404       right_gadget_border[id] =
4405         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
4406
4407       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
4408
4409       if (j == 0)
4410       {
4411         int font_type = FONT_INPUT_1;
4412         int font_type_active = FONT_INPUT_1_ACTIVE;
4413         int gd_width = ED_WIN_COUNT_XSIZE;
4414
4415         id = counterbutton_info[i].gadget_id_text;
4416         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4417
4418         if (i == ED_COUNTER_ID_SELECT_LEVEL)
4419         {
4420           font_type = FONT_LEVEL_NUMBER;
4421           font_type_active = FONT_LEVEL_NUMBER;
4422
4423           x += 2 * ED_GADGET_DISTANCE;
4424           y -= ED_GADGET_DISTANCE;
4425
4426           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
4427           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
4428           gd_width = ED_WIN_COUNT2_XSIZE;
4429         }
4430         else
4431         {
4432           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4433           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4434         }
4435
4436         gi = CreateGadget(GDI_CUSTOM_ID, id,
4437                           GDI_CUSTOM_TYPE_ID, i,
4438                           GDI_INFO_TEXT, "enter counter value",
4439                           GDI_X, x,
4440                           GDI_Y, y,
4441                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
4442                           GDI_NUMBER_VALUE, 0,
4443                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
4444                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
4445                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
4446                           GDI_TEXT_FONT, font_type,
4447                           GDI_TEXT_FONT_ACTIVE, font_type_active,
4448                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4449                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4450                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4451                           GDI_DESIGN_WIDTH, gd_width,
4452                           GDI_EVENT_MASK, event_mask,
4453                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4454                           GDI_CALLBACK_ACTION, HandleCounterButtons,
4455                           GDI_END);
4456
4457         if (gi == NULL)
4458           Error(ERR_EXIT, "cannot create gadget");
4459
4460         level_editor_gadget[id] = gi;
4461         right_gadget_border[id] =
4462           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
4463
4464         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
4465       }
4466     }
4467   }
4468 }
4469
4470 static void CreateDrawingAreas()
4471 {
4472   int i;
4473
4474   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
4475   {
4476     struct GadgetInfo *gi;
4477     unsigned long event_mask;
4478     int id = drawingarea_info[i].gadget_id;
4479     int x = SX + drawingarea_info[i].x;
4480     int y = SY + drawingarea_info[i].y;
4481     int area_xsize = drawingarea_info[i].area_xsize;
4482     int area_ysize = drawingarea_info[i].area_ysize;
4483
4484     event_mask =
4485       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
4486       GD_EVENT_OFF_BORDERS;
4487
4488     /* determine horizontal position to the right of specified gadget */
4489     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
4490       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
4491            ED_DRAWINGAREA_TEXT_DISTANCE);
4492
4493     /* determine horizontal offset for leading text */
4494     if (drawingarea_info[i].text_left != NULL)
4495       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
4496
4497     gi = CreateGadget(GDI_CUSTOM_ID, id,
4498                       GDI_CUSTOM_TYPE_ID, i,
4499                       GDI_X, x,
4500                       GDI_Y, y,
4501                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
4502                       GDI_AREA_SIZE, area_xsize, area_ysize,
4503                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
4504                       GDI_EVENT_MASK, event_mask,
4505                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
4506                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
4507                       GDI_END);
4508
4509     if (gi == NULL)
4510       Error(ERR_EXIT, "cannot create gadget");
4511
4512     level_editor_gadget[id] = gi;
4513     right_gadget_border[id] =
4514       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
4515   }
4516 }
4517
4518 static void CreateTextInputGadgets()
4519 {
4520   int max_infotext_len = getMaxInfoTextLength();
4521   int i;
4522
4523   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
4524   {
4525     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4526     int gd_x, gd_y;
4527     struct GadgetInfo *gi;
4528     unsigned long event_mask;
4529     char infotext[MAX_OUTPUT_LINESIZE + 1];
4530     int id = textinput_info[i].gadget_id;
4531
4532     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4533
4534     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4535     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4536
4537     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
4538     infotext[max_infotext_len] = '\0';
4539
4540     gi = CreateGadget(GDI_CUSTOM_ID, id,
4541                       GDI_CUSTOM_TYPE_ID, i,
4542                       GDI_INFO_TEXT, infotext,
4543                       GDI_X, SX + textinput_info[i].x,
4544                       GDI_Y, SY + textinput_info[i].y,
4545                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
4546                       GDI_TEXT_VALUE, textinput_info[i].value,
4547                       GDI_TEXT_SIZE, textinput_info[i].size,
4548                       GDI_TEXT_FONT, FONT_INPUT_1,
4549                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4550                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4551                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4552                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4553                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4554                       GDI_EVENT_MASK, event_mask,
4555                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4556                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
4557                       GDI_END);
4558
4559     if (gi == NULL)
4560       Error(ERR_EXIT, "cannot create gadget");
4561
4562     level_editor_gadget[id] = gi;
4563   }
4564 }
4565
4566 static void CreateTextAreaGadgets()
4567 {
4568   int max_infotext_len = getMaxInfoTextLength();
4569   int i;
4570
4571   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
4572   {
4573     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4574     int gd_x, gd_y;
4575     struct GadgetInfo *gi;
4576     unsigned long event_mask;
4577     char infotext[MAX_OUTPUT_LINESIZE + 1];
4578     int id = textarea_info[i].gadget_id;
4579     int area_xsize = textarea_info[i].xsize;
4580     int area_ysize = textarea_info[i].ysize;
4581
4582     event_mask = GD_EVENT_TEXT_LEAVING;
4583
4584     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4585     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4586
4587     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
4588     infotext[max_infotext_len] = '\0';
4589
4590     gi = CreateGadget(GDI_CUSTOM_ID, id,
4591                       GDI_CUSTOM_TYPE_ID, i,
4592                       GDI_INFO_TEXT, infotext,
4593                       GDI_X, SX + textarea_info[i].x,
4594                       GDI_Y, SY + textarea_info[i].y,
4595                       GDI_TYPE, GD_TYPE_TEXT_AREA,
4596                       GDI_AREA_SIZE, area_xsize, area_ysize,
4597                       GDI_TEXT_FONT, FONT_INPUT_1,
4598                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4599                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4600                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4601                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4602                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4603                       GDI_EVENT_MASK, event_mask,
4604                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4605                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
4606                       GDI_END);
4607
4608     if (gi == NULL)
4609       Error(ERR_EXIT, "cannot create gadget");
4610
4611     level_editor_gadget[id] = gi;
4612   }
4613 }
4614
4615 static void CreateSelectboxGadgets()
4616 {
4617   int max_infotext_len = getMaxInfoTextLength();
4618   int i, j;
4619
4620   for (i = 0; i < ED_NUM_SELECTBOX; i++)
4621   {
4622     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4623     int gd_x, gd_y;
4624     struct GadgetInfo *gi;
4625     unsigned long event_mask;
4626     char infotext[MAX_OUTPUT_LINESIZE + 1];
4627     int id = selectbox_info[i].gadget_id;
4628     int x = SX + selectbox_info[i].x;
4629     int y = SY + selectbox_info[i].y;
4630
4631     if (selectbox_info[i].size == -1)   /* dynamically determine size */
4632     {
4633       /* (we cannot use -1 for uninitialized values if we directly compare
4634          with results from strlen(), because the '<' and '>' operation will
4635          implicitely cast -1 to an unsigned integer value!) */
4636       selectbox_info[i].size = 0;
4637
4638       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
4639         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
4640           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
4641
4642       selectbox_info[i].size++;         /* add one character empty space */
4643     }
4644
4645     event_mask = GD_EVENT_RELEASED |
4646       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4647
4648     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
4649     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
4650
4651     /* determine horizontal position to the right of specified gadget */
4652     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
4653       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
4654            ED_GADGET_TEXT_DISTANCE);
4655
4656     /* determine horizontal offset for leading text */
4657     if (selectbox_info[i].text_left != NULL)
4658       x += getTextWidthForGadget(selectbox_info[i].text_left);
4659
4660     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
4661     infotext[max_infotext_len] = '\0';
4662
4663     gi = CreateGadget(GDI_CUSTOM_ID, id,
4664                       GDI_CUSTOM_TYPE_ID, i,
4665                       GDI_INFO_TEXT, infotext,
4666                       GDI_X, x,
4667                       GDI_Y, y,
4668                       GDI_TYPE, GD_TYPE_SELECTBOX,
4669                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
4670                       GDI_TEXT_SIZE, selectbox_info[i].size,
4671                       GDI_TEXT_FONT, FONT_INPUT_1,
4672                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4673                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4674                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4675                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4676                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
4677                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4678                       GDI_EVENT_MASK, event_mask,
4679                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4680                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
4681                       GDI_END);
4682
4683     if (gi == NULL)
4684       Error(ERR_EXIT, "cannot create gadget");
4685
4686     level_editor_gadget[id] = gi;
4687     right_gadget_border[id] =
4688       getRightGadgetBorder(gi, selectbox_info[i].text_right);
4689   }
4690 }
4691
4692 static void CreateTextbuttonGadgets()
4693 {
4694   int max_infotext_len = getMaxInfoTextLength();
4695   int i;
4696
4697   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
4698   {
4699     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4700     int gd_x1, gd_x2, gd_y1, gd_y2;
4701     struct GadgetInfo *gi;
4702     unsigned long event_mask;
4703     char infotext[MAX_OUTPUT_LINESIZE + 1];
4704     int id = textbutton_info[i].gadget_id;
4705     int x = SX + textbutton_info[i].x;
4706     int y = SY + textbutton_info[i].y;
4707
4708     if (textbutton_info[i].size == -1)  /* dynamically determine size */
4709       textbutton_info[i].size = strlen(textbutton_info[i].text);
4710
4711     event_mask = GD_EVENT_RELEASED;
4712
4713     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE)
4714     {
4715       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
4716       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
4717       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
4718       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
4719     }
4720     else
4721     {
4722       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
4723       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
4724       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
4725       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
4726     }
4727
4728     sprintf(infotext, "%s", textbutton_info[i].infotext);
4729     infotext[max_infotext_len] = '\0';
4730
4731     /* determine horizontal position to the right of specified gadget */
4732     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4733       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
4734            ED_GADGET_TEXT_DISTANCE);
4735
4736     /* determine horizontal offset for leading text */
4737     if (textbutton_info[i].text_left != NULL)
4738       x += getTextWidthForGadget(textbutton_info[i].text_left);
4739
4740     gi = CreateGadget(GDI_CUSTOM_ID, id,
4741                       GDI_CUSTOM_TYPE_ID, i,
4742                       GDI_INFO_TEXT, infotext,
4743                       GDI_X, x,
4744                       GDI_Y, y,
4745                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
4746                       GDI_TEXT_VALUE, textbutton_info[i].text,
4747                       GDI_TEXT_SIZE, textbutton_info[i].size,
4748                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
4749                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
4750                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4751                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4752                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4753                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
4754                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4755                       GDI_DECORATION_SHIFTING, 1, 1,
4756                       GDI_EVENT_MASK, event_mask,
4757                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4758                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
4759                       GDI_END);
4760
4761     if (gi == NULL)
4762       Error(ERR_EXIT, "cannot create gadget");
4763
4764     level_editor_gadget[id] = gi;
4765     right_gadget_border[id] =
4766       getRightGadgetBorder(gi, textbutton_info[i].text_right);
4767   }
4768 }
4769
4770 static void CreateGraphicbuttonGadgets()
4771 {
4772   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4773   struct GadgetInfo *gi;
4774   unsigned long event_mask;
4775   int i;
4776
4777   /* create buttons for scrolling of drawing area and element list */
4778   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
4779   {
4780     int id = graphicbutton_info[i].gadget_id;
4781     int gd_x1, gd_x2, gd_y1, gd_y2;
4782     int x = SX + graphicbutton_info[i].x;
4783     int y = SY + graphicbutton_info[i].y;
4784
4785     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4786
4787     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
4788     {
4789       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
4790       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4791       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
4792       gd_y2 = gd_y1;
4793     }
4794     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
4795     {
4796       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
4797       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4798       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
4799       gd_y2 = gd_y1;
4800     }
4801
4802     /* determine horizontal position to the right of specified gadget */
4803     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4804       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
4805            ED_GADGET_TEXT_DISTANCE);
4806
4807     /* determine horizontal offset for leading text */
4808     if (graphicbutton_info[i].text_left != NULL)
4809       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
4810
4811     gi = CreateGadget(GDI_CUSTOM_ID, id,
4812                       GDI_CUSTOM_TYPE_ID, i,
4813                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
4814                       GDI_X, x,
4815                       GDI_Y, y,
4816                       GDI_WIDTH, graphicbutton_info[i].width,
4817                       GDI_HEIGHT, graphicbutton_info[i].height,
4818                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4819                       GDI_STATE, GD_BUTTON_UNPRESSED,
4820                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4821                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4822                       GDI_EVENT_MASK, event_mask,
4823                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4824                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
4825                       GDI_END);
4826
4827     if (gi == NULL)
4828       Error(ERR_EXIT, "cannot create gadget");
4829
4830     level_editor_gadget[id] = gi;
4831     right_gadget_border[id] =
4832       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
4833   }
4834 }
4835
4836 static void CreateScrollbarGadgets()
4837 {
4838   int i;
4839
4840   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
4841   {
4842     int id = scrollbar_info[i].gadget_id;
4843     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4844     int gd_x1, gd_x2, gd_y1, gd_y2;
4845     struct GadgetInfo *gi;
4846     int items_max, items_visible, item_position;
4847     unsigned long event_mask;
4848
4849     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
4850     {
4851       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
4852       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
4853       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
4854     }
4855     else        /* drawing area scrollbars */
4856     {
4857       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
4858       {
4859         items_max = MAX(lev_fieldx + 2, ed_fieldx);
4860         items_visible = ed_fieldx;
4861         item_position = 0;
4862       }
4863       else
4864       {
4865         items_max = MAX(lev_fieldy + 2, ed_fieldy);
4866         items_visible = ed_fieldy;
4867         item_position = 0;
4868       }
4869     }
4870
4871     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
4872
4873     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
4874     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
4875                       scrollbar_info[i].height : scrollbar_info[i].width));
4876     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4877     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4878
4879     gi = CreateGadget(GDI_CUSTOM_ID, id,
4880                       GDI_CUSTOM_TYPE_ID, i,
4881                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
4882                       GDI_X, scrollbar_info[i].x,
4883                       GDI_Y, scrollbar_info[i].y,
4884                       GDI_WIDTH, scrollbar_info[i].width,
4885                       GDI_HEIGHT, scrollbar_info[i].height,
4886                       GDI_TYPE, scrollbar_info[i].type,
4887                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
4888                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
4889                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
4890                       GDI_STATE, GD_BUTTON_UNPRESSED,
4891                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4892                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4893                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4894                       GDI_EVENT_MASK, event_mask,
4895                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4896                       GDI_CALLBACK_ACTION, HandleControlButtons,
4897                       GDI_END);
4898
4899     if (gi == NULL)
4900       Error(ERR_EXIT, "cannot create gadget");
4901
4902     level_editor_gadget[id] = gi;
4903   }
4904 }
4905
4906 static void CreateCheckbuttonGadgets()
4907 {
4908   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4909   struct GadgetInfo *gi;
4910   unsigned long event_mask;
4911   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4912   int i;
4913
4914   event_mask = GD_EVENT_PRESSED;
4915
4916   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4917   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4918   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4919   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4920   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4921
4922   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
4923   {
4924     int id = checkbutton_info[i].gadget_id;
4925     int x = SX + checkbutton_info[i].x;
4926     int y = SY + checkbutton_info[i].y;
4927
4928     if (id == GADGET_ID_STICK_ELEMENT)
4929       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
4930     else
4931       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
4932
4933     /* determine horizontal position to the right of specified gadget */
4934     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4935       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
4936            ED_GADGET_TEXT_DISTANCE);
4937
4938     /* determine horizontal offset for leading text */
4939     if (checkbutton_info[i].text_left != NULL)
4940       x += getTextWidthForGadget(checkbutton_info[i].text_left);
4941
4942     gi = CreateGadget(GDI_CUSTOM_ID, id,
4943                       GDI_CUSTOM_TYPE_ID, i,
4944                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
4945                       GDI_X, x,
4946                       GDI_Y, y,
4947                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4948                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4949                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
4950                       GDI_CHECKED, *checkbutton_info[i].value,
4951                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4952                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4953                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4954                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4955                       GDI_EVENT_MASK, event_mask,
4956                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4957                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
4958                       GDI_END);
4959
4960     if (gi == NULL)
4961       Error(ERR_EXIT, "cannot create gadget");
4962
4963     level_editor_gadget[id] = gi;
4964     right_gadget_border[id] =
4965       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
4966   }
4967 }
4968
4969 static void CreateRadiobuttonGadgets()
4970 {
4971   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4972   struct GadgetInfo *gi;
4973   unsigned long event_mask;
4974   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4975   int i;
4976
4977   event_mask = GD_EVENT_PRESSED;
4978
4979   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4980   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4981   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4982   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4983   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4984
4985   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
4986   {
4987     int id = radiobutton_info[i].gadget_id;
4988     int x = SX + radiobutton_info[i].x;
4989     int y = SY + radiobutton_info[i].y;
4990
4991     int checked =
4992       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
4993
4994     /* determine horizontal position to the right of specified gadget */
4995     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
4996       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
4997            ED_GADGET_TEXT_DISTANCE);
4998
4999     /* determine horizontal offset for leading text */
5000     if (radiobutton_info[i].text_left != NULL)
5001       x += getTextWidthForGadget(radiobutton_info[i].text_left);
5002
5003     gi = CreateGadget(GDI_CUSTOM_ID, id,
5004                       GDI_CUSTOM_TYPE_ID, i,
5005                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
5006                       GDI_X, x,
5007                       GDI_Y, y,
5008                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
5009                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
5010                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
5011                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
5012                       GDI_CHECKED, checked,
5013                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5014                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5015                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
5016                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
5017                       GDI_EVENT_MASK, event_mask,
5018                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5019                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
5020                       GDI_END);
5021
5022     if (gi == NULL)
5023       Error(ERR_EXIT, "cannot create gadget");
5024
5025     level_editor_gadget[id] = gi;
5026     right_gadget_border[id] =
5027       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
5028   }
5029 }
5030
5031 void CreateLevelEditorGadgets()
5032 {
5033   int old_game_status = game_status;
5034
5035   /* setting 'game_status' is needed to get the right fonts for the editor */
5036   game_status = GAME_MODE_EDITOR;
5037
5038   ReinitializeElementList();
5039
5040   CreateControlButtons();
5041   CreateScrollbarGadgets();
5042
5043   /* order of function calls is important because of cross-references */
5044   CreateCheckbuttonGadgets();
5045   CreateCounterButtons();
5046   CreateRadiobuttonGadgets();
5047   CreateTextInputGadgets();
5048   CreateTextAreaGadgets();
5049   CreateSelectboxGadgets();
5050   CreateGraphicbuttonGadgets();
5051   CreateTextbuttonGadgets();
5052   CreateDrawingAreas();
5053
5054   game_status = old_game_status;
5055 }
5056
5057 void FreeLevelEditorGadgets()
5058 {
5059   int i;
5060
5061   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5062     FreeGadget(level_editor_gadget[i]);
5063 }
5064
5065 static void MapCounterButtons(int id)
5066 {
5067   int gadget_id_down = counterbutton_info[id].gadget_id_down;
5068   int gadget_id_text = counterbutton_info[id].gadget_id_text;
5069   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
5070   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
5071   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
5072   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
5073 #if 0
5074   char infotext[MAX_OUTPUT_LINESIZE + 1];
5075   int max_infotext_len = getMaxInfoTextLength();
5076   int xoffset_left = 0;
5077   int yoffset_left = ED_BORDER_SIZE;
5078   int xoffset_right = getCounterGadgetWidth();
5079   int yoffset_right = ED_BORDER_SIZE;
5080 #else
5081   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
5082   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5083   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
5084   int yoffset = ED_BORDER_SIZE;
5085   int x_left = gi_down->x - xoffset_left;
5086   int x_right = gi_up->x + gi_up->width + xoffset_right;
5087   int y_above = gi_down->y - yoffset_above;
5088   int x = gi_down->x;
5089   int y;        /* set after gadget position was modified */
5090 #endif
5091
5092   /* set position for "score" counter gadget */
5093   if (id == ED_COUNTER_ID_ELEMENT_SCORE)
5094   {
5095     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
5096     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
5097     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
5098   }
5099
5100   y = gi_up->y + yoffset;
5101
5102   if (counterbutton_info[id].text_above)
5103     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
5104
5105   if (counterbutton_info[id].text_left)
5106     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
5107
5108   if (counterbutton_info[id].text_right)
5109     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
5110
5111   ModifyEditorCounter(id, *counterbutton_info[id].value);
5112
5113   MapGadget(gi_down);
5114   MapGadget(gi_text);
5115   MapGadget(gi_up);
5116 }
5117
5118 static void MapControlButtons()
5119 {
5120   int counter_id;
5121   int i;
5122
5123   /* map toolbox buttons (excluding special CE toolbox buttons) */
5124   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
5125     MapGadget(level_editor_gadget[i]);
5126
5127   /* map buttons to select elements */
5128   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5129     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
5130   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
5131   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
5132   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
5133
5134   /* map buttons to select level */
5135   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
5136   ModifyEditorCounterLimits(counter_id,
5137                             leveldir_current->first_level,
5138                             leveldir_current->last_level);
5139   MapCounterButtons(counter_id);
5140 }
5141
5142 static void MapDrawingArea(int id)
5143 {
5144   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5145   int area_xsize = gi->drawing.area_xsize;
5146   int area_ysize = gi->drawing.area_ysize;
5147   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
5148   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
5149   int x_left  = gi->x - xoffset_left;
5150   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
5151   int x_below = gi->x + (gi->width - xoffset_below) / 2;
5152   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
5153   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
5154
5155   if (drawingarea_info[id].text_left)
5156     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
5157
5158   if (drawingarea_info[id].text_right)
5159     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
5160
5161   if (drawingarea_info[id].text_below)
5162     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
5163
5164   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
5165   {
5166     DrawElementBorder(gi->x, gi->y,
5167                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
5168
5169     DrawDrawingArea(id);
5170   }
5171
5172   MapGadget(gi);
5173 }
5174
5175 static void MapTextInputGadget(int id)
5176 {
5177   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
5178   int xoffset_above = 0;
5179   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
5180   int x_above = textinput_info[id].x + xoffset_above;
5181   int y_above = textinput_info[id].y + yoffset_above;
5182
5183   if (textinput_info[id].text_above)
5184     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
5185
5186   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
5187
5188   MapGadget(gi);
5189 }
5190
5191 static void MapTextAreaGadget(int id)
5192 {
5193   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5194   int xoffset_above = 0;
5195   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
5196   int x_above = textarea_info[id].x + xoffset_above;
5197   int y_above = textarea_info[id].y + yoffset_above;
5198
5199   if (textarea_info[id].text_above)
5200     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
5201
5202   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
5203
5204   MapGadget(gi);
5205 }
5206
5207 static void MapSelectboxGadget(int id)
5208 {
5209   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
5210   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
5211   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5212   int yoffset = ED_BORDER_SIZE;
5213   int x_left = gi->x - xoffset_left;
5214   int x_right = gi->x + gi->width + xoffset_right;
5215   int y = gi->y + yoffset;
5216
5217   if (selectbox_info[id].text_left)
5218     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
5219
5220   if (selectbox_info[id].text_right)
5221     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
5222
5223   ModifyEditorSelectbox(id, *selectbox_info[id].value);
5224
5225   MapGadget(gi);
5226 }
5227
5228 static void MapTextbuttonGadget(int id)
5229 {
5230   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
5231   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
5232   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5233   int yoffset = ED_BORDER_SIZE;
5234   int x_left = gi->x - xoffset_left;
5235   int x_right = gi->x + gi->width + xoffset_right;
5236   int y = gi->y + yoffset;
5237
5238   /* only show button to delete change pages when more than minimum pages */
5239   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
5240       custom_element.num_change_pages == MIN_CHANGE_PAGES)
5241     return;
5242
5243   if (textbutton_info[id].text_left)
5244     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
5245
5246   if (textbutton_info[id].text_right)
5247     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
5248
5249   MapGadget(gi);
5250 }
5251
5252 static void MapGraphicbuttonGadget(int id)
5253 {
5254   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
5255   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
5256   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5257   int yoffset = ED_BORDER_SIZE;
5258   int x_left = gi->x - xoffset_left;
5259   int x_right = gi->x + gi->width + xoffset_right;
5260   int y = gi->y + yoffset;
5261
5262   if (graphicbutton_info[id].text_left)
5263     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
5264
5265   if (graphicbutton_info[id].text_right)
5266     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
5267
5268   MapGadget(gi);
5269 }
5270
5271 static void MapRadiobuttonGadget(int id)
5272 {
5273   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
5274   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
5275   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5276   int yoffset = ED_BORDER_SIZE;
5277   int x_left = gi->x - xoffset_left;
5278   int x_right = gi->x + gi->width + xoffset_right;
5279   int y = gi->y + yoffset;
5280   boolean checked =
5281     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
5282
5283   if (radiobutton_info[id].text_left)
5284     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
5285
5286   if (radiobutton_info[id].text_right)
5287     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
5288
5289   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
5290
5291   MapGadget(gi);
5292 }
5293
5294 static void MapCheckbuttonGadget(int id)
5295 {
5296   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
5297   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
5298   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5299   int yoffset = ED_BORDER_SIZE;
5300   int x_left = gi->x - xoffset_left;
5301   int x_right = gi->x + gi->width + xoffset_right;
5302   int y;        /* set after gadget position was modified */
5303
5304   /* set position for "stickybutton" and "can move into acid" gadgets */
5305   if (id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID)
5306     ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
5307
5308   y = gi->y + yoffset;
5309
5310   if (checkbutton_info[id].text_left)
5311     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
5312
5313   if (checkbutton_info[id].text_right)
5314     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
5315
5316   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
5317
5318   MapGadget(gi);
5319 }
5320
5321 static void MapMainDrawingArea()
5322 {
5323   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
5324   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
5325   int i;
5326
5327   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
5328   {
5329     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
5330           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
5331          no_horizontal_scrollbar) ||
5332         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
5333           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
5334          no_vertical_scrollbar))
5335       continue;
5336
5337     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
5338   }
5339
5340   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
5341   {
5342     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
5343         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
5344       continue;
5345
5346     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
5347   }
5348
5349   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
5350 }
5351
5352 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
5353 {
5354   int i;
5355
5356   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5357   {
5358     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
5359         i == GADGET_ID_CUSTOM_COPY_TO ||
5360         i == GADGET_ID_CUSTOM_EXCHANGE ||
5361         i == GADGET_ID_CUSTOM_COPY ||
5362         i == GADGET_ID_CUSTOM_PASTE)
5363     {
5364       if (map)
5365         MapGadget(level_editor_gadget[i]);
5366       else
5367         UnmapGadget(level_editor_gadget[i]);
5368     }
5369   }
5370 }
5371
5372 static void MapLevelEditorToolboxCustomGadgets()
5373 {
5374   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
5375 }
5376
5377 static void UnmapLevelEditorToolboxCustomGadgets()
5378 {
5379   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
5380 }
5381
5382 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
5383 {
5384   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5385   int i;
5386
5387   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
5388   {
5389     if (i != GADGET_ID_SINGLE_ITEMS &&
5390         i != GADGET_ID_PROPERTIES &&
5391         i != GADGET_ID_PICK_ELEMENT)
5392     {
5393       struct GadgetInfo *gi = level_editor_gadget[i];
5394
5395       if (map)
5396         MapGadget(gi);
5397       else
5398       {
5399         UnmapGadget(gi);
5400
5401         BlitBitmap(gd_bitmap, drawto,
5402                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
5403                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
5404                    gi->width, gi->height, gi->x, gi->y);
5405
5406         redraw_mask |= REDRAW_DOOR_3;
5407       }
5408     }
5409   }
5410 }
5411
5412 static void MapLevelEditorToolboxDrawingGadgets()
5413 {
5414   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
5415 }
5416
5417 static void UnmapLevelEditorToolboxDrawingGadgets()
5418 {
5419   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
5420 }
5421
5422 static void UnmapDrawingArea(int id)
5423 {
5424   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
5425 }
5426
5427 static void UnmapLevelEditorWindowGadgets()
5428 {
5429   int i;
5430
5431   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5432     if (level_editor_gadget[i]->x < SX + SXSIZE)
5433       UnmapGadget(level_editor_gadget[i]);
5434 }
5435
5436 void UnmapLevelEditorGadgets()
5437 {
5438   int i;
5439
5440   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5441     UnmapGadget(level_editor_gadget[i]);
5442 }
5443
5444 static void ResetUndoBuffer()
5445 {
5446   undo_buffer_position = -1;
5447   undo_buffer_steps = -1;
5448   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5449 }
5450
5451 static void DrawEditModeWindow()
5452 {
5453   ModifyEditorElementList();
5454   RedrawDrawingElements();
5455
5456   if (edit_mode == ED_MODE_INFO)
5457     DrawLevelInfoWindow();
5458   else if (edit_mode == ED_MODE_PROPERTIES)
5459     DrawPropertiesWindow();
5460   else  /* edit_mode == ED_MODE_DRAWING */
5461     DrawDrawingWindow();
5462 }
5463
5464 static boolean LevelChanged()
5465 {
5466   boolean level_changed = FALSE;
5467   int x, y;
5468
5469   for (y = 0; y < lev_fieldy; y++)
5470     for (x = 0; x < lev_fieldx; x++)
5471       if (Feld[x][y] != level.field[x][y])
5472         level_changed = TRUE;
5473
5474   return level_changed;
5475 }
5476
5477 static boolean LevelContainsPlayer()
5478 {
5479   boolean player_found = FALSE;
5480   int x, y;
5481
5482   for (y = 0; y < lev_fieldy; y++)
5483     for (x = 0; x < lev_fieldx; x++)
5484       if (Feld[x][y] == EL_PLAYER_1 ||
5485           Feld[x][y] == EL_SP_MURPHY)
5486         player_found = TRUE;
5487
5488   return player_found;
5489 }
5490
5491 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
5492                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
5493 {
5494   int x, y;
5495
5496   for (x = 0; x < lev_fieldx; x++)
5497     for (y = 0; y < lev_fieldy; y++)
5498       dst[x][y] = src[x][y];
5499 }
5500
5501 static int setSelectboxValue(int selectbox_id, int new_value)
5502 {
5503   int new_index_value = 0;
5504   int i;
5505
5506   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
5507     if (selectbox_info[selectbox_id].options[i].value == new_value)
5508       new_index_value = i;
5509
5510   *selectbox_info[selectbox_id].value =
5511     selectbox_info[selectbox_id].options[new_index_value].value;
5512
5513   return new_index_value;
5514 }
5515
5516 static void copy_custom_element_settings(int element_from, int element_to)
5517 {
5518 #if 0
5519   struct ElementInfo ei_to_old = element_info[element_to];
5520   struct ElementInfo *ei_from = &element_info[element_from];
5521   struct ElementInfo *ei_to = &element_info[element_to];
5522   int i;
5523
5524   /* ---------- copy whole element structure ---------- */
5525   *ei_to = *ei_from;
5526
5527   /* ---------- restore structure pointers which cannot be copied ---------- */
5528   ei_to->token_name         = ei_to_old.token_name;
5529   ei_to->class_name         = ei_to_old.class_name;
5530   ei_to->editor_description = ei_to_old.editor_description;
5531   ei_to->custom_description = ei_to_old.custom_description;
5532   ei_to->change_page        = ei_to_old.change_page;
5533   ei_to->change             = ei_to_old.change;
5534   ei_to->group              = ei_to_old.group;
5535
5536   /* ---------- copy element base properties ---------- */
5537   Properties[element_to][EP_BITFIELD_BASE] =
5538     Properties[element_from][EP_BITFIELD_BASE];
5539
5540   /* ---------- reinitialize and copy change pages ---------- */
5541   setElementChangePages(ei_to, ei_to->num_change_pages);
5542
5543   for (i=0; i < ei_to->num_change_pages; i++)
5544     ei_to->change_page[i] = ei_from->change_page[i];
5545
5546   /* ---------- copy group element info ---------- */
5547   if (ei_from->group != NULL && ei_to->group != NULL)   /* group or internal */
5548     *ei_to->group = *ei_from->group;
5549
5550 #else
5551
5552   struct ElementInfo *ei_from = &element_info[element_from];
5553   struct ElementInfo *ei_to = &element_info[element_to];
5554   int i, x, y;
5555
5556   /* ---------- copy element description ---------- */
5557   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
5558     ei_to->description[i] = ei_from->description[i];
5559
5560   /* ---------- copy element base properties ---------- */
5561   Properties[element_to][EP_BITFIELD_BASE] =
5562     Properties[element_from][EP_BITFIELD_BASE];
5563
5564   /* ---------- copy custom property values ---------- */
5565
5566   ei_to->use_gfx_element = ei_from->use_gfx_element;
5567   ei_to->gfx_element = ei_from->gfx_element;
5568
5569   ei_to->access_direction = ei_from->access_direction;
5570
5571   ei_to->collect_score = ei_from->collect_score;
5572   ei_to->collect_count = ei_from->collect_count;
5573
5574   ei_to->push_delay_fixed = ei_from->push_delay_fixed;
5575   ei_to->push_delay_random = ei_from->push_delay_random;
5576   ei_to->move_delay_fixed = ei_from->move_delay_fixed;
5577   ei_to->move_delay_random = ei_from->move_delay_random;
5578
5579   ei_to->move_pattern = ei_from->move_pattern;
5580   ei_to->move_direction_initial = ei_from->move_direction_initial;
5581   ei_to->move_stepsize = ei_from->move_stepsize;
5582
5583   ei_to->move_enter_element = ei_from->move_enter_element;
5584   ei_to->move_leave_element = ei_from->move_leave_element;
5585   ei_to->move_leave_type = ei_from->move_leave_type;
5586
5587   ei_to->slippery_type = ei_from->slippery_type;
5588
5589   for (y = 0; y < 3; y++)
5590     for (x = 0; x < 3; x++)
5591       ei_to->content[x][y] = ei_from->content[x][y];
5592
5593   ei_to->explosion_delay = ei_from->explosion_delay;
5594   ei_to->ignition_delay = ei_from->ignition_delay;
5595
5596   /* ---------- reinitialize and copy change pages ---------- */
5597
5598   ei_to->num_change_pages = ei_from->num_change_pages;
5599   ei_to->current_change_page = ei_from->current_change_page;
5600
5601   setElementChangePages(ei_to, ei_to->num_change_pages);
5602
5603   for (i=0; i < ei_to->num_change_pages; i++)
5604     ei_to->change_page[i] = ei_from->change_page[i];
5605
5606   /* ---------- copy group element info ---------- */
5607   if (ei_from->group != NULL && ei_to->group != NULL)   /* group or internal */
5608     *ei_to->group = *ei_from->group;
5609
5610 #endif
5611
5612   /* mark this custom element as modified */
5613   ei_to->modified_settings = TRUE;
5614 }
5615
5616 static void replace_custom_element_in_settings(int element_from,
5617                                                int element_to)
5618 {
5619   int i, j, x, y;
5620
5621   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5622   {
5623     struct ElementInfo *ei = &element_info[i];
5624
5625     for (y = 0; y < 3; y++)
5626       for (x = 0; x < 3; x++)
5627         if (ei->content[x][y] == element_from)
5628           ei->content[x][y] = element_to;
5629
5630     for (j = 0; j < ei->num_change_pages; j++)
5631     {
5632       struct ElementChangeInfo *change = &ei->change_page[j];
5633
5634       if (change->target_element == element_from)
5635         change->target_element = element_to;
5636
5637       if (change->trigger_element == element_from)
5638         change->trigger_element = element_to;
5639
5640       for (y = 0; y < 3; y++)
5641         for (x = 0; x < 3; x++)
5642           if (change->target_content[x][y] == element_from)
5643             change->target_content[x][y] = element_to;
5644     }
5645
5646     if (ei->group != NULL)                              /* group or internal */
5647       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
5648         if (ei->group->element[j] == element_from)
5649           ei->group->element[j] = element_to;
5650   }
5651 }
5652
5653 static void replace_custom_element_in_playfield(int element_from,
5654                                                 int element_to)
5655 {
5656   int x, y;
5657
5658   for (x = 0; x < lev_fieldx; x++)
5659     for (y = 0; y < lev_fieldy; y++)
5660       if (Feld[x][y] == element_from)
5661         Feld[x][y] = element_to;
5662 }
5663
5664 static boolean CopyCustomElement(int element_old, int element_new,
5665                                  int copy_mode)
5666 {
5667   if (copy_mode == GADGET_ID_CUSTOM_COPY)
5668   {
5669     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
5670                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
5671     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
5672   }
5673   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
5674   {
5675     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
5676                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
5677     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
5678   }
5679   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
5680   {
5681     Request("Please choose custom element !", REQ_CONFIRM);
5682
5683     return FALSE;
5684   }
5685   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
5686   {
5687     Request("Please choose group element !", REQ_CONFIRM);
5688
5689     return FALSE;
5690   }
5691
5692   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
5693   {
5694     copy_custom_element_settings(element_new, element_old);
5695   }
5696   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
5697   {
5698     copy_custom_element_settings(element_old, element_new);
5699   }
5700   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
5701   {
5702     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
5703     copy_custom_element_settings(element_new, element_old);
5704     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
5705
5706     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
5707     replace_custom_element_in_settings(element_new, element_old);
5708     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
5709
5710     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
5711     replace_custom_element_in_playfield(element_new, element_old);
5712     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
5713   }
5714
5715   UpdateCustomElementGraphicGadgets();
5716   DrawPropertiesWindow();
5717
5718   return TRUE;
5719 }
5720
5721 static void CopyCustomElementPropertiesToEditor(int element)
5722 {
5723   int i;
5724   int current_change_page = element_info[element].current_change_page;
5725
5726   /* dynamically (re)build selectbox for selecting change page */
5727   for (i = 0; i < element_info[element].num_change_pages; i++)
5728   {
5729     sprintf(options_change_page_strings[i], "%d", i + 1);
5730
5731     options_change_page[i].value = i;
5732     options_change_page[i].text = options_change_page_strings[i];
5733   }
5734
5735   options_change_page[i].value = -1;
5736   options_change_page[i].text = NULL;
5737
5738   /* needed here to initialize combined element properties */
5739   InitElementPropertiesEngine(level.game_version);
5740
5741   element_info[element].change =
5742     &element_info[element].change_page[current_change_page];
5743
5744   custom_element = element_info[element];
5745   custom_element_change = *element_info[element].change;
5746
5747   /* needed to initially set selectbox value variables to reliable defaults */
5748   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5749     setSelectboxValue(i, *selectbox_info[i].value);
5750
5751   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5752     custom_element_properties[i] = HAS_PROPERTY(element, i);
5753
5754   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5755     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
5756
5757   /* ---------- element settings: configure (custom elements) ------------- */
5758
5759   /* set accessible layer selectbox help value */
5760   custom_element.access_type =
5761     (IS_WALKABLE(element) ? EP_WALKABLE :
5762      IS_PASSABLE(element) ? EP_PASSABLE :
5763      custom_element.access_type);
5764   custom_element.access_layer =
5765     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
5766      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
5767      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
5768      custom_element.access_layer);
5769   custom_element.access_protected =
5770     (IS_PROTECTED(element) ? 1 : 0);
5771   custom_element_properties[EP_ACCESSIBLE] =
5772     (IS_ACCESSIBLE_OVER(element) ||
5773      IS_ACCESSIBLE_INSIDE(element) ||
5774      IS_ACCESSIBLE_UNDER(element));
5775
5776   /* set walk-to-object action selectbox help value */
5777   custom_element.walk_to_action =
5778     (IS_DIGGABLE(element) ? EP_DIGGABLE :
5779      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
5780      IS_DROPPABLE(element) ? EP_DROPPABLE :
5781      IS_PUSHABLE(element) ? EP_PUSHABLE :
5782      custom_element.walk_to_action);
5783   custom_element_properties[EP_WALK_TO_OBJECT] =
5784     (IS_DIGGABLE(element) ||
5785      IS_COLLECTIBLE_ONLY(element) ||
5786      IS_DROPPABLE(element) ||
5787      IS_PUSHABLE(element));
5788
5789   /* set smash targets selectbox help value */
5790   custom_element.smash_targets =
5791     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
5792      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
5793      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
5794      custom_element.smash_targets);
5795   custom_element_properties[EP_CAN_SMASH] =
5796     (CAN_SMASH_EVERYTHING(element) ||
5797      CAN_SMASH_ENEMIES(element) ||
5798      CAN_SMASH_PLAYER(element));
5799
5800   /* set deadliness selectbox help value */
5801   custom_element.deadliness =
5802     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
5803      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
5804      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
5805      custom_element.deadliness);
5806   custom_element_properties[EP_DEADLY] =
5807     (DONT_TOUCH(element) ||
5808      DONT_COLLIDE_WITH(element) ||
5809      DONT_RUN_INTO(element));
5810
5811   /* set consistency selectbox help value */
5812   custom_element.consistency =
5813     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
5814      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
5815      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
5816      CAN_EXPLODE_CROSS(element) ? EP_CAN_EXPLODE_CROSS :
5817      custom_element.consistency);
5818   custom_element_properties[EP_EXPLODE_RESULT] =
5819     (IS_INDESTRUCTIBLE(element) ||
5820      CAN_EXPLODE_1X1(element) ||
5821      CAN_EXPLODE_3X3(element) ||
5822      CAN_EXPLODE_CROSS(element));
5823
5824   /* special case: sub-settings dependent from main setting */
5825   if (CAN_EXPLODE_BY_FIRE(element))
5826     custom_element.can_explode_by_fire = TRUE;
5827   if (CAN_EXPLODE_SMASHED(element))
5828     custom_element.can_explode_smashed = TRUE;
5829   if (CAN_EXPLODE_IMPACT(element))
5830     custom_element.can_explode_impact  = TRUE;
5831
5832   /* ---------- element settings: advanced (custom elements) --------------- */
5833
5834   /* set "change by direct action" selectbox help value */
5835   custom_element_change.direct_action =
5836     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
5837      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
5838      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
5839      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
5840      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
5841      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
5842      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
5843      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
5844      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
5845      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
5846      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
5847      custom_element_change.direct_action);
5848
5849   /* set "change by other element action" selectbox help value */
5850   custom_element_change.other_action =
5851     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
5852      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
5853      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
5854      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
5855      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
5856      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
5857      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
5858      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
5859      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
5860      HAS_CHANGE_EVENT(element, CE_OTHER_IS_HITTING) ? CE_OTHER_IS_HITTING :
5861      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_HIT) ? CE_OTHER_GETS_HIT :
5862      HAS_CHANGE_EVENT(element, CE_OTHER_IS_SWITCHING) ? CE_OTHER_IS_SWITCHING :
5863      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
5864      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
5865      custom_element_change.other_action);
5866 }
5867
5868 static void CopyGroupElementPropertiesToEditor(int element)
5869 {
5870   group_element_info = *element_info[element].group;
5871   custom_element = element_info[element];       /* needed for description */
5872 }
5873
5874 static void CopyClassicElementPropertiesToEditor(int element)
5875 {
5876 #if 1
5877   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
5878     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
5879       getMoveIntoAcidProperty(&level, element);
5880
5881   if (MAYBE_DONT_COLLIDE_WITH(element))
5882     custom_element_properties[EP_DONT_COLLIDE_WITH] =
5883       getDontCollideWithProperty(&level, element);
5884 #else
5885
5886   if (COULD_MOVE_INTO_ACID(element))
5887   {
5888     int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
5889
5890     if (bit_nr > -1)
5891       custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
5892         ((level.can_move_into_acid_bits & (1 << bit_nr)) != 0);
5893   }
5894 #endif
5895 }
5896
5897 static void CopyElementPropertiesToEditor(int element)
5898 {
5899   if (IS_CUSTOM_ELEMENT(element))
5900     CopyCustomElementPropertiesToEditor(element);
5901   else if (IS_GROUP_ELEMENT(element))
5902     CopyGroupElementPropertiesToEditor(element);
5903   else
5904     CopyClassicElementPropertiesToEditor(element);
5905 }
5906
5907 static void CopyCustomElementPropertiesToGame(int element)
5908 {
5909   int i;
5910   int access_type_and_layer;
5911
5912   /* mark that this custom element has been modified */
5913   custom_element.modified_settings = TRUE;
5914
5915   if (level.use_custom_template)
5916   {
5917     if (Request("Copy and modify level template ?", REQ_ASK))
5918     {
5919       level.use_custom_template = FALSE;
5920       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
5921                    GDI_CHECKED, FALSE, GDI_END);
5922     }
5923     else
5924     {
5925       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
5926
5927       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
5928     }
5929   }
5930
5931   element_info[element] = custom_element;
5932   *element_info[element].change = custom_element_change;
5933
5934   /* ---------- element settings: configure (custom elements) ------------- */
5935
5936   /* set accessible property from checkbox and selectbox */
5937   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
5938   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
5939   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
5940   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
5941   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
5942   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
5943   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
5944                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
5945                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
5946   custom_element_properties[access_type_and_layer] =
5947     custom_element_properties[EP_ACCESSIBLE];
5948   custom_element_properties[EP_PROTECTED] =
5949     (custom_element.access_protected != 0 &&
5950      custom_element_properties[EP_ACCESSIBLE]);
5951
5952   /* set walk-to-object property from checkbox and selectbox */
5953   custom_element_properties[EP_DIGGABLE] = FALSE;
5954   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
5955   custom_element_properties[EP_DROPPABLE] = FALSE;
5956   custom_element_properties[EP_PUSHABLE] = FALSE;
5957   custom_element_properties[custom_element.walk_to_action] =
5958     custom_element_properties[EP_WALK_TO_OBJECT];
5959
5960   /* set smash property from checkbox and selectbox */
5961   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
5962   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
5963   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
5964   custom_element_properties[custom_element.smash_targets] =
5965     custom_element_properties[EP_CAN_SMASH];
5966
5967   /* set deadliness property from checkbox and selectbox */
5968   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
5969   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
5970   custom_element_properties[EP_DONT_TOUCH] = FALSE;
5971   custom_element_properties[custom_element.deadliness] =
5972     custom_element_properties[EP_DEADLY];
5973
5974   /* set consistency property from checkbox and selectbox */
5975   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
5976   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
5977   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
5978   custom_element_properties[EP_CAN_EXPLODE_CROSS] = FALSE;
5979   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
5980   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
5981   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
5982   custom_element_properties[custom_element.consistency] =
5983     custom_element_properties[EP_EXPLODE_RESULT];
5984
5985   /* special case: sub-settings dependent from main setting */
5986   if (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
5987       custom_element_properties[EP_CAN_EXPLODE_3X3] ||
5988       custom_element_properties[EP_CAN_EXPLODE_CROSS])
5989   {
5990     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
5991       custom_element.can_explode_by_fire;
5992     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
5993       custom_element.can_explode_smashed;
5994     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
5995       custom_element.can_explode_impact;
5996   }
5997
5998   /* ---------- element settings: advanced (custom elements) --------------- */
5999
6000   /* set player change event from checkbox and selectbox */
6001   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
6002   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
6003   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
6004   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
6005   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
6006   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
6007   custom_element_change_events[CE_SWITCHED] = FALSE;
6008   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
6009   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
6010   custom_element_change_events[CE_IMPACT] = FALSE;
6011   custom_element_change_events[CE_SMASHED] = FALSE;
6012   custom_element_change_events[custom_element_change.direct_action] =
6013     custom_element_change_events[CE_BY_DIRECT_ACTION];
6014
6015   /* set other element action change event from checkbox and selectbox */
6016   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
6017   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
6018   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
6019   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
6020   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
6021   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
6022   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
6023   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
6024   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
6025   custom_element_change_events[CE_OTHER_IS_HITTING] = FALSE;
6026   custom_element_change_events[CE_OTHER_GETS_HIT] = FALSE;
6027   custom_element_change_events[CE_OTHER_IS_SWITCHING] = FALSE;
6028   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
6029   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
6030   custom_element_change_events[custom_element_change.other_action] =
6031     custom_element_change_events[CE_BY_OTHER_ACTION];
6032
6033   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
6034     SET_PROPERTY(element, i, custom_element_properties[i]);
6035
6036   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
6037     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
6038
6039   /* copy change events also to special level editor variable */
6040   custom_element = element_info[element];
6041   custom_element_change = *element_info[element].change;
6042 }
6043
6044 static void CopyGroupElementPropertiesToGame(int element)
6045 {
6046   element_info[element] = custom_element;
6047   *element_info[element].group = group_element_info;
6048
6049   /* mark that this group element has been modified */
6050   element_info[element].modified_settings = TRUE;
6051 }
6052
6053 static void CopyClassicElementPropertiesToGame(int element)
6054 {
6055 #if 1
6056   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
6057     setMoveIntoAcidProperty(&level, element,
6058                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
6059
6060   if (MAYBE_DONT_COLLIDE_WITH(element))
6061     setDontCollideWithProperty(&level, element,
6062                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
6063 #else
6064
6065   if (COULD_MOVE_INTO_ACID(element))
6066   {
6067     int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
6068
6069     if (bit_nr > -1)
6070     {
6071       level.can_move_into_acid_bits &= ~(1 << bit_nr);
6072
6073       if (custom_element_properties[EP_CAN_MOVE_INTO_ACID])
6074         level.can_move_into_acid_bits |= (1 << bit_nr);
6075     }
6076   }
6077 #endif
6078 }
6079
6080 static void CopyElementPropertiesToGame(int element)
6081 {
6082   if (IS_CUSTOM_ELEMENT(element))
6083     CopyCustomElementPropertiesToGame(element);
6084   else if (IS_GROUP_ELEMENT(element))
6085     CopyGroupElementPropertiesToGame(element);
6086   else
6087     CopyClassicElementPropertiesToGame(element);
6088 }
6089
6090 void DrawLevelEd()
6091 {
6092   CloseDoor(DOOR_CLOSE_ALL);
6093   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
6094
6095   if (level_editor_test_game)
6096   {
6097     CopyPlayfield(level.field, Feld);
6098     CopyPlayfield(FieldBackup, level.field);
6099
6100     level_editor_test_game = FALSE;
6101   }
6102   else
6103   {
6104     edit_mode = ED_MODE_DRAWING;
6105     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
6106
6107     ResetUndoBuffer();
6108
6109     level_xpos = -1;
6110     level_ypos = -1;
6111   }
6112
6113   /* copy default editor door content to main double buffer */
6114   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
6115              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
6116
6117 #if 0
6118   /* draw mouse button brush elements */
6119   RedrawDrawingElements();
6120 #endif
6121
6122   /* draw bigger door */
6123   DrawSpecialEditorDoor();
6124
6125   /* draw new control window */
6126   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
6127              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
6128
6129   redraw_mask |= REDRAW_ALL;
6130
6131   ReinitializeElementListButtons();     /* only needed after setup changes */
6132 #if 0
6133   ModifyEditorElementList();            /* may be needed for custom elements */
6134 #endif
6135
6136   UnmapTapeButtons();
6137   MapControlButtons();
6138
6139   DrawEditModeWindow();
6140
6141   /* copy actual editor door content to door double buffer for OpenDoor() */
6142   BlitBitmap(drawto, bitmap_db_door,
6143              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6144
6145   OpenDoor(DOOR_OPEN_1);
6146 }
6147
6148 static void AdjustDrawingAreaGadgets()
6149 {
6150   int ed_xsize = lev_fieldx + 2;
6151   int ed_ysize = lev_fieldy + 2;
6152   int max_ed_fieldx = MAX_ED_FIELDX;
6153   int max_ed_fieldy = MAX_ED_FIELDY;
6154   boolean horizontal_scrollbar_needed;
6155   boolean vertical_scrollbar_needed;
6156   int x, y, width, height;
6157   int xoffset, yoffset;
6158
6159   /* check if we need any scrollbars */
6160   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
6161   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
6162
6163   /* check if we have a smaller editor field because of scrollbars */
6164   if (horizontal_scrollbar_needed)
6165     max_ed_fieldy = MAX_ED_FIELDY - 1;
6166   if (vertical_scrollbar_needed)
6167     max_ed_fieldx = MAX_ED_FIELDX - 1;
6168
6169   /* check again if we now need more scrollbars because of less space */
6170   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
6171   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
6172
6173   /* check if editor field gets even smaller after adding new scrollbars */
6174   if (horizontal_scrollbar_needed)
6175     max_ed_fieldy = MAX_ED_FIELDY - 1;
6176   if (vertical_scrollbar_needed)
6177     max_ed_fieldx = MAX_ED_FIELDX - 1;
6178
6179   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
6180   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
6181
6182   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
6183                GDI_WIDTH, ed_fieldx * MINI_TILEX,
6184                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
6185                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
6186                GDI_END);
6187
6188   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
6189   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
6190
6191   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
6192   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
6193
6194   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
6195   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
6196
6197   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
6198   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
6199
6200   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6201                GDI_WIDTH, width,
6202                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
6203                GDI_END);
6204   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6205                GDI_HEIGHT, height,
6206                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
6207                GDI_END);
6208 }
6209
6210 static void AdjustLevelScrollPosition()
6211 {
6212   if (level_xpos < -1)
6213     level_xpos = -1;
6214   if (level_xpos > lev_fieldx - ed_fieldx + 1)
6215     level_xpos = lev_fieldx - ed_fieldx + 1;
6216   if (lev_fieldx < ed_fieldx - 2)
6217     level_xpos = -1;
6218
6219   if (level_ypos < -1)
6220     level_ypos = -1;
6221   if (level_ypos > lev_fieldy - ed_fieldy + 1)
6222     level_ypos = lev_fieldy - ed_fieldy + 1;
6223   if (lev_fieldy < ed_fieldy - 2)
6224     level_ypos = -1;
6225 }
6226
6227 static void AdjustEditorScrollbar(int id)
6228 {
6229   struct GadgetInfo *gi = level_editor_gadget[id];
6230   int items_max, items_visible, item_position;
6231
6232   if (id == GADGET_ID_SCROLL_HORIZONTAL)
6233   {
6234     items_max = MAX(lev_fieldx + 2, ed_fieldx);
6235     items_visible = ed_fieldx;
6236     item_position = level_xpos + 1;
6237   }
6238   else
6239   {
6240     items_max = MAX(lev_fieldy + 2, ed_fieldy);
6241     items_visible = ed_fieldy;
6242     item_position = level_ypos + 1;
6243   }
6244
6245   if (item_position > items_max - items_visible)
6246     item_position = items_max - items_visible;
6247
6248   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
6249                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
6250 }
6251
6252 static void ModifyEditorCounter(int counter_id, int new_value)
6253 {
6254   int *counter_value = counterbutton_info[counter_id].value;
6255   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
6256   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6257
6258   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
6259
6260   if (counter_value != NULL)
6261     *counter_value = gi->textinput.number_value;
6262 }
6263
6264 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
6265 {
6266   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
6267   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6268
6269   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
6270 }
6271
6272 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
6273 {
6274   int gadget_id = selectbox_info[selectbox_id].gadget_id;
6275   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6276   int new_index_value = setSelectboxValue(selectbox_id, new_value);
6277
6278   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
6279 }
6280
6281 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
6282 {
6283   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
6284   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6285
6286   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
6287 }
6288
6289 static void ModifyEditorElementList()
6290 {
6291   int i;
6292
6293   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6294   {
6295     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
6296     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6297     struct GadgetDesign *gd = &gi->deco.design;
6298     int element = editor_elements[element_shift + i];
6299
6300     UnmapGadget(gi);
6301     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
6302     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
6303     MapGadget(gi);
6304   }
6305 }
6306
6307 static void PickDrawingElement(int button, int element)
6308 {
6309   if (button < 1 || button > 3)
6310     return;
6311
6312   if (button == 1)
6313   {
6314     new_element1 = element;
6315     DrawMiniGraphicExt(drawto,
6316                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
6317                        el2edimg(new_element1));
6318   }
6319   else if (button == 2)
6320   {
6321     new_element2 = element;
6322     DrawMiniGraphicExt(drawto,
6323                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
6324                        el2edimg(new_element2));
6325   }
6326   else
6327   {
6328     new_element3 = element;
6329     DrawMiniGraphicExt(drawto,
6330                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
6331                        el2edimg(new_element3));
6332   }
6333
6334   redraw_mask |= REDRAW_DOOR_1;
6335 }
6336
6337 static void RedrawDrawingElements()
6338 {
6339   PickDrawingElement(1, new_element1);
6340   PickDrawingElement(2, new_element2);
6341   PickDrawingElement(3, new_element3);
6342 }
6343
6344 static void DrawDrawingWindow()
6345 {
6346   stick_element_properties_window = FALSE;
6347
6348   SetMainBackgroundImage(IMG_UNDEFINED);
6349   ClearWindow();
6350
6351   UnmapLevelEditorWindowGadgets();
6352   UnmapLevelEditorToolboxCustomGadgets();
6353
6354   AdjustDrawingAreaGadgets();
6355   AdjustLevelScrollPosition();
6356   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
6357   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
6358
6359   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6360
6361   MapMainDrawingArea();
6362   MapLevelEditorToolboxDrawingGadgets();
6363 }
6364
6365 static void DrawLevelInfoWindow()
6366 {
6367   int i;
6368
6369   stick_element_properties_window = FALSE;
6370
6371   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
6372   ClearWindow();
6373   UnmapLevelEditorWindowGadgets();
6374
6375   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
6376            "Level Settings", FONT_TITLE_1);
6377   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
6378            "Editor Settings", FONT_TITLE_1);
6379
6380   /* draw counter gadgets */
6381   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
6382     MapCounterButtons(i);
6383
6384   /* draw selectbox gadgets */
6385   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
6386     MapSelectboxGadget(i);
6387
6388   /* draw checkbutton gadgets */
6389   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i <= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
6390     MapCheckbuttonGadget(i);
6391
6392   /* draw radiobutton gadgets */
6393   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i <= ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
6394     MapRadiobuttonGadget(i);
6395
6396   /* draw text input gadgets */
6397   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
6398     MapTextInputGadget(i);
6399
6400   /* draw drawing area */
6401   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
6402 }
6403
6404 static void DrawCustomContentArea()
6405 {
6406   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
6407   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6408   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
6409   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
6410   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
6411   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
6412
6413   /* add distance for potential left text (without drawing area border) */
6414   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
6415
6416   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
6417
6418   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
6419 }
6420
6421 static void DrawCustomChangeContentArea()
6422 {
6423   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
6424   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6425   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
6426   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
6427   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
6428   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
6429
6430   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
6431
6432   MapDrawingArea(id);
6433 }
6434
6435 static void DrawElementContentAreas()
6436 {
6437   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
6438   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
6439   int i;
6440
6441   /* display counter to choose number of element content areas */
6442   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
6443
6444   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6445   {
6446     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
6447     int font_height = getFontHeight(FONT_TEXT_1);
6448
6449     if (i < level.num_yamyam_contents)
6450       MapDrawingArea(id);
6451     else
6452     {
6453       UnmapDrawingArea(id);
6454
6455       /* delete content areas in case of reducing number of them */
6456       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
6457                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
6458                      4 * MINI_TILEX,
6459                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
6460     }
6461   }
6462
6463   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
6464   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
6465   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
6466 }
6467
6468 static void DrawGroupElementArea(int element)
6469 {
6470   int num_elements = group_element_info.num_elements;
6471   int id = ED_DRAWING_ID_GROUP_CONTENT;
6472   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
6473   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
6474   int xsize = MAX_ELEMENTS_IN_GROUP;
6475   int ysize = 1;
6476
6477   if (drawingarea_info[id].text_left != NULL)
6478     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6479
6480   UnmapDrawingArea(id);
6481
6482   ModifyEditorDrawingArea(id, num_elements, 1);
6483
6484   /* delete content areas in case of reducing number of them */
6485   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
6486
6487   MapDrawingArea(id);
6488 }
6489
6490 static void DrawEnvelopeTextArea(int envelope_nr)
6491 {
6492   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
6493   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6494
6495   UnmapGadget(gi);
6496   DrawBackground(gi->x, gi->y, gi->width, gi->height);
6497
6498   if (envelope_nr != -1)
6499     textarea_info[id].value = level.envelope_text[envelope_nr];
6500
6501   ModifyGadget(gi, GDI_AREA_SIZE,
6502                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
6503                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
6504                GDI_END);
6505
6506   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
6507 }
6508
6509 char *getElementDescriptionFilename(int element)
6510 {
6511   char *docs_dir = options.docs_directory;
6512   char *elements_subdir = "elements";
6513   static char *filename = NULL;
6514   char basename[MAX_FILENAME_LEN];
6515
6516   checked_free(filename);
6517
6518   /* 1st try: look for element description file for exactly this element */
6519   sprintf(basename, "%s.txt", element_info[element].token_name);
6520   filename = getPath3(docs_dir, elements_subdir, basename);
6521   if (fileExists(filename))
6522     return filename;
6523
6524   free(filename);
6525
6526   /* 2nd try: look for element description file for this element's class */
6527   sprintf(basename, "%s.txt", element_info[element].class_name);
6528   filename = getPath3(docs_dir, elements_subdir, basename);
6529   if (fileExists(filename))
6530     return filename;
6531
6532   return NULL;
6533 }
6534
6535 static boolean PrintInfoText(char *text, int font_nr, int start_line)
6536 {
6537   int font_height = getFontHeight(font_nr);
6538   int pad_x = ED_SETTINGS_XPOS(0);
6539   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6540   int sx = SX + pad_x;
6541   int sy = SY + pad_y;
6542   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6543
6544   if (start_line >= max_lines_per_screen)
6545     return FALSE;
6546
6547   DrawText(sx, sy + start_line * font_height, text, font_nr);
6548
6549   return TRUE;
6550 }
6551
6552 #if 1
6553
6554 static int PrintElementDescriptionFromFile(char *filename, int start_line)
6555 {
6556   int font_nr = FONT_TEXT_2;
6557   int font_width = getFontWidth(font_nr);
6558   int font_height = getFontHeight(font_nr);
6559   int pad_x = ED_SETTINGS_XPOS(0);
6560   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6561   int sx = SX + pad_x;
6562   int sy = SY + pad_y + start_line * font_height;
6563   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
6564   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6565
6566   return DrawTextFromFile(sx, sy, filename, font_nr, max_chars_per_line,
6567                           max_lines_per_screen);
6568 }
6569
6570 #else
6571
6572 static int PrintElementDescriptionFromFile(char *filename, int start_line)
6573 {
6574   int font_nr = FONT_TEXT_2;
6575   int font_width = getFontWidth(font_nr);
6576   int font_height = getFontHeight(font_nr);
6577   int pad_x = ED_SETTINGS_XPOS(0);
6578   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6579   int sx = SX + pad_x;
6580   int sy = SY + pad_y;
6581   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
6582   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6583   int current_line = start_line;
6584   char line[MAX_LINE_LEN];
6585   char buffer[max_chars_per_line + 1];
6586   int buffer_len;
6587   FILE *file;
6588
6589   if (current_line >= max_lines_per_screen)
6590     return 0;
6591
6592   if (filename == NULL)
6593     return 0;
6594
6595   if (!(file = fopen(filename, MODE_READ)))
6596     return 0;
6597
6598   buffer[0] = '\0';
6599   buffer_len = 0;
6600
6601   while (!feof(file) && current_line < max_lines_per_screen)
6602   {
6603     char *line_ptr;
6604     boolean last_line_was_empty = TRUE;
6605
6606     /* read next line of input file */
6607     if (!fgets(line, MAX_LINE_LEN, file))
6608       break;
6609
6610     /* skip comments (lines directly beginning with '#') */
6611     if (line[0] == '#')
6612       continue;
6613
6614     /* cut trailing newline from input line */
6615     for (line_ptr = line; *line_ptr; line_ptr++)
6616     {
6617       if (*line_ptr == '\n' || *line_ptr == '\r')
6618       {
6619         *line_ptr = '\0';
6620         break;
6621       }
6622     }
6623
6624     if (strlen(line) == 0)              /* special case: force empty line */
6625       strcpy(line, "\n");
6626
6627     line_ptr = line;
6628
6629     while (*line_ptr && current_line < max_lines_per_screen)
6630     {
6631       boolean buffer_filled = RenderLineToBuffer(&line_ptr,
6632                                                  buffer, &buffer_len,
6633                                                  last_line_was_empty,
6634                                                  max_chars_per_line);
6635       if (buffer_filled)
6636       {
6637         DrawText(sx, sy + current_line * font_height, buffer, font_nr);
6638         current_line++;
6639
6640         last_line_was_empty = (buffer_len == 0);
6641
6642         buffer[0] = '\0';
6643         buffer_len = 0;
6644       }
6645     }
6646   }
6647
6648   fclose(file);
6649
6650   if (buffer_len > 0 && current_line < max_lines_per_screen)
6651   {
6652     DrawText(sx, sy + current_line * font_height, buffer, font_nr);
6653     current_line++;
6654   }
6655
6656   return (current_line - start_line);
6657 }
6658
6659 #endif
6660
6661 static void DrawPropertiesTabulatorGadgets()
6662 {
6663   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
6664   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
6665   int gd_x = gd->x + gd_gi->border.width / 2;
6666   int gd_y = gd->y + gd_gi->height - 1;
6667   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
6668   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
6669   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
6670   int max_tabs = 4;
6671   int i;
6672
6673   /* draw additional "advanced" tabulator for custom elements */
6674   if (IS_CUSTOM_ELEMENT(properties_element))
6675     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
6676
6677   for (i = id_first; i <= id_last; i++)
6678   {
6679     int gadget_id = textbutton_info[i].gadget_id;
6680     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6681     boolean active = (i != edit_mode_properties);
6682
6683     /* use "config 1" and "config 2" instead of "config" */
6684     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
6685         IS_CUSTOM_ELEMENT(properties_element))
6686       continue;
6687
6688     /* draw background line below tabulator button */
6689     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
6690
6691     /* draw solid line below inactive tabulator buttons */
6692     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
6693       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
6694
6695     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
6696     MapTextbuttonGadget(i);
6697   }
6698
6699   /* draw little border line below tabulator buttons */
6700   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
6701     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
6702                   max_tabs * gd_gi->width + (max_tabs -1) * ED_GADGET_DISTANCE,
6703                   ED_GADGET_DISTANCE, tab_color);
6704 }
6705
6706 static void DrawPropertiesInfo()
6707 {
6708   static struct
6709   {
6710     int value;
6711     char *text;
6712   }
6713   properties[] =
6714   {
6715     /* configurable properties */
6716
6717     { EP_WALKABLE_OVER,         "- player can walk over it"             },
6718     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
6719     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
6720     { EP_PASSABLE_OVER,         "- player can pass over it"             },
6721     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
6722     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
6723
6724     { EP_DIGGABLE,              "- can be digged away"                  },
6725     { EP_COLLECTIBLE,           "- can be collected"                    },
6726     { EP_DROPPABLE,             "- can be dropped after collecting"     },
6727     { EP_PUSHABLE,              "- can be pushed"                       },
6728
6729     { EP_CAN_MOVE,              "- can move"                            },
6730     { EP_CAN_FALL,              "- can fall"                            },
6731
6732     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
6733 #if 0
6734     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
6735 #endif
6736     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
6737
6738     { EP_SLIPPERY,              "- slippery for falling objects"        },
6739     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
6740
6741     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
6742     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
6743     { EP_DONT_TOUCH,            "- deadly when touching"                },
6744
6745     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
6746
6747     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
6748     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
6749     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
6750
6751     { EP_CAN_CHANGE,            "- can change to other element"         },
6752
6753     /* pre-defined properties */
6754     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
6755     { EP_HAS_CONTENT,           "- can contain other elements"          },
6756
6757     { -1,                       NULL                                    }
6758   };
6759   char *filename = getElementDescriptionFilename(properties_element);
6760   char *percentage_text = "In this level:";
6761   char *properties_text = "Standard properties:";
6762   float percentage;
6763   int num_elements_in_level;
6764   int num_standard_properties = 0;
6765   int font1_nr = FONT_TEXT_1;
6766   int font2_nr = FONT_TEXT_2;
6767   int font1_width = getFontWidth(font1_nr);
6768   int font2_height = getFontHeight(font2_nr);
6769   int pad_x = ED_SETTINGS_XPOS(0);
6770   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6771   int screen_line = 0;
6772   int i, x, y;
6773
6774 #if DEBUG
6775   if (IS_CUSTOM_ELEMENT(properties_element))
6776   {
6777     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6778               "[Custom Element %d]", properties_element - EL_CUSTOM_START + 1);
6779     screen_line++;
6780   }
6781   else if (IS_GROUP_ELEMENT(properties_element))
6782   {
6783     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6784               "[Group Element %d]", properties_element - EL_GROUP_START + 1);
6785     screen_line++;
6786   }
6787 #endif
6788
6789   /* ----- print number of elements / percentage of this element in level */
6790
6791   num_elements_in_level = 0;
6792   for (y = 0; y < lev_fieldy; y++)
6793     for (x = 0; x < lev_fieldx; x++)
6794       if (Feld[x][y] == properties_element)
6795         num_elements_in_level++;
6796   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
6797
6798   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
6799             percentage_text);
6800   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
6801             pad_y + screen_line++ * font2_height, font2_nr,
6802             "%d (%.2f%%)", num_elements_in_level, percentage);
6803
6804   screen_line++;
6805
6806   /* ----- print standard properties of this element */
6807
6808   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
6809             properties_text);
6810
6811   for (i = 0; properties[i].value != -1; i++)
6812   {
6813     if (!HAS_PROPERTY(properties_element, properties[i].value))
6814       continue;
6815
6816     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
6817               properties[i].text);
6818     num_standard_properties++;
6819   }
6820
6821   if (num_standard_properties == 0)
6822     DrawTextS(pad_x + strlen(properties_text) * font1_width,
6823               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
6824
6825   screen_line++;
6826
6827   /* ----- print special description of this element */
6828
6829   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
6830   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
6831     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
6832 }
6833
6834 #define TEXT_COLLECTING         "Score for collecting"
6835 #define TEXT_SMASHING           "Score for smashing"
6836 #define TEXT_CRACKING           "Score for cracking"
6837 #define TEXT_SPEED              "Speed of amoeba growth"
6838 #define TEXT_DURATION           "Duration when activated"
6839
6840 static struct
6841 {
6842   int element;
6843   int *value;
6844   char *text;
6845 } elements_with_counter[] =
6846 {
6847   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
6848   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
6849   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6850   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6851   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6852   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6853   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
6854   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
6855   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
6856   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
6857   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
6858   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
6859   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
6860   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
6861   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
6862   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
6863   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
6864   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
6865   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
6866   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
6867   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6868   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6869   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6870   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6871   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6872   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6873   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6874   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6875   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6876   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6877   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6878   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6879   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6880   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
6881   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
6882   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
6883   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
6884   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6885   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6886   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
6887   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
6888   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
6889   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6890   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6891   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6892   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6893   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
6894   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
6895   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
6896   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
6897   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
6898 #if 1
6899   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
6900   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
6901   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
6902   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
6903 #else
6904   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6905   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6906   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6907   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6908 #endif
6909   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
6910   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
6911   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
6912   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
6913   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
6914   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
6915   { -1,                 NULL,                           NULL            }
6916 };
6917
6918 static boolean checkPropertiesConfig(int element)
6919 {
6920   int i;
6921
6922   if (IS_GEM(element) ||
6923       IS_CUSTOM_ELEMENT(element) ||
6924       IS_GROUP_ELEMENT(element) ||
6925       IS_ENVELOPE(element) ||
6926       ELEM_IS_PLAYER(element) ||
6927       HAS_CONTENT(element) ||
6928       COULD_MOVE_INTO_ACID(element) ||
6929       MAYBE_DONT_COLLIDE_WITH(element))
6930     return TRUE;
6931   else
6932     for (i = 0; elements_with_counter[i].element != -1; i++)
6933       if (elements_with_counter[i].element == element)
6934         return TRUE;
6935
6936   return FALSE;
6937 }
6938
6939 static void DrawPropertiesConfig()
6940 {
6941   int i;
6942
6943   if (!checkPropertiesConfig(properties_element))
6944   {
6945     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
6946
6947     return;
6948   }
6949
6950   /* check if there are elements where a score can be chosen for */
6951   for (i = 0; elements_with_counter[i].element != -1; i++)
6952   {
6953     if (elements_with_counter[i].element == properties_element)
6954     {
6955       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
6956
6957       counterbutton_info[counter_id].y =
6958         ED_SETTINGS_YPOS((HAS_CONTENT(properties_element) ? 1 : 0) +
6959                          (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0)+
6960                          (COULD_MOVE_INTO_ACID(properties_element) ? 1 : 0));
6961
6962       counterbutton_info[counter_id].value = elements_with_counter[i].value;
6963       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
6964
6965       MapCounterButtons(counter_id);
6966
6967       break;
6968     }
6969   }
6970
6971   if (HAS_CONTENT(properties_element))
6972   {
6973     /* draw stickybutton gadget */
6974     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
6975
6976     if (IS_AMOEBOID(properties_element))
6977       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
6978     else
6979       DrawElementContentAreas();
6980   }
6981
6982   if (ELEM_IS_PLAYER(properties_element))
6983   {
6984     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
6985     MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
6986                          ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
6987                          ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
6988     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
6989   }
6990
6991   if (IS_GEM(properties_element))
6992     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
6993
6994   if (COULD_MOVE_INTO_ACID(properties_element) &&
6995       (!IS_CUSTOM_ELEMENT(properties_element) ||
6996        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
6997   {
6998     /* set position for special checkbutton for "can move into acid" */
6999     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
7000       ED_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
7001                        HAS_CONTENT(properties_element) ? 1 : 0);
7002
7003     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
7004   }
7005
7006   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
7007     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
7008
7009   if (properties_element == EL_SPRING)
7010     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
7011
7012   if (IS_ENVELOPE(properties_element))
7013   {
7014     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
7015     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
7016     int envelope_nr = properties_element - EL_ENVELOPE_1;
7017
7018     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
7019     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
7020
7021     /* display counter to choose size of envelope text area */
7022     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
7023     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
7024
7025     DrawEnvelopeTextArea(envelope_nr);
7026   }
7027
7028   if (IS_CUSTOM_ELEMENT(properties_element))
7029   {
7030     /* draw stickybutton gadget */
7031     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7032
7033     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
7034     {
7035       /* draw checkbutton gadgets */
7036       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
7037            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
7038         MapCheckbuttonGadget(i);
7039
7040       /* draw counter gadgets */
7041       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
7042            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
7043         MapCounterButtons(i);
7044
7045       /* draw selectbox gadgets */
7046       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
7047            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
7048         MapSelectboxGadget(i);
7049
7050       /* draw textbutton gadgets */
7051       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
7052
7053       /* draw text input gadgets */
7054       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
7055
7056       /* draw drawing area gadgets */
7057       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
7058       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
7059       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
7060     }
7061     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
7062     {
7063       /* draw checkbutton gadgets */
7064       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
7065            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
7066         MapCheckbuttonGadget(i);
7067
7068       /* draw counter gadgets */
7069       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
7070            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
7071         MapCounterButtons(i);
7072
7073       /* draw selectbox gadgets */
7074       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
7075            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
7076         MapSelectboxGadget(i);
7077
7078       /* draw drawing area gadgets */
7079       DrawCustomContentArea();
7080     }
7081   }
7082   else if (IS_GROUP_ELEMENT(properties_element))
7083   {
7084     /* draw stickybutton gadget */
7085     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7086
7087     /* draw checkbutton gadgets */
7088     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
7089     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
7090
7091     /* draw counter gadgets */
7092     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
7093
7094     /* draw selectbox gadgets */
7095     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
7096
7097     /* draw textbutton gadgets */
7098     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
7099
7100     /* draw drawing area gadgets */
7101     DrawGroupElementArea(properties_element);
7102
7103     /* draw text input gadgets */
7104     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
7105
7106     /* draw drawing area gadgets */
7107     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
7108   }
7109 }
7110
7111 static void DrawPropertiesChangeDrawingAreas()
7112 {
7113   if (IS_CUSTOM_ELEMENT(properties_element))
7114   {
7115     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
7116     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
7117
7118     DrawCustomChangeContentArea();
7119   }
7120
7121   redraw_mask |= REDRAW_FIELD;
7122 }
7123
7124 static void DrawPropertiesChange()
7125 {
7126   int i;
7127
7128   /* draw stickybutton gadget */
7129   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7130
7131   /* draw checkbutton gadgets */
7132   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
7133        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
7134     MapCheckbuttonGadget(i);
7135
7136   /* draw counter gadgets */
7137   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
7138        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
7139     MapCounterButtons(i);
7140
7141   /* draw selectbox gadgets */
7142   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
7143        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
7144     MapSelectboxGadget(i);
7145
7146   /* draw textbutton gadgets */
7147   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
7148        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
7149     MapTextbuttonGadget(i);
7150
7151   /* draw graphicbutton gadgets */
7152   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
7153        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
7154     MapGraphicbuttonGadget(i);
7155
7156   /* draw drawing area gadgets */
7157   DrawPropertiesChangeDrawingAreas();
7158 }
7159
7160 static void DrawElementName(int x, int y, int element)
7161 {
7162   char *element_name = getElementInfoText(element);
7163   int font_nr = FONT_TEXT_1;
7164   int font_width = getFontWidth(font_nr);
7165   int font_height = getFontHeight(font_nr);
7166   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
7167   int max_chars_per_line = max_text_width / font_width;
7168   char buffer[max_chars_per_line + 1];
7169
7170   if (strlen(element_name) <= max_chars_per_line)
7171     DrawTextS(x, y, font_nr, element_name);
7172   else
7173   {
7174     int next_pos = max_chars_per_line;
7175
7176     strncpy(buffer, element_name, max_chars_per_line);
7177     buffer[max_chars_per_line] = '\0';
7178
7179     if (element_name[max_chars_per_line] == ' ')
7180       next_pos++;
7181     else
7182     {
7183       int i;
7184
7185       for (i = max_chars_per_line - 1; i >= 0; i--)
7186         if (buffer[i] == ' ')
7187           break;
7188
7189       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
7190       {
7191         buffer[i] = '\0';
7192         next_pos = i + 1;
7193       }
7194     }
7195
7196     DrawTextS(x, y - font_height / 2, font_nr, buffer);
7197
7198     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
7199     buffer[max_chars_per_line] = '\0';
7200
7201     DrawTextS(x, y + font_height / 2, font_nr, buffer);
7202   }
7203 }
7204
7205 static void DrawPropertiesWindow()
7206 {
7207   int xstart = 2;
7208   int ystart = 4;
7209
7210   stick_element_properties_window = FALSE;
7211
7212   /* make sure that previous properties edit mode exists for this element */
7213   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
7214       !IS_CUSTOM_ELEMENT(properties_element))
7215     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
7216
7217   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
7218       IS_CUSTOM_ELEMENT(properties_element))
7219     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
7220
7221   CopyElementPropertiesToEditor(properties_element);
7222
7223   UnmapLevelEditorWindowGadgets();
7224   UnmapLevelEditorToolboxDrawingGadgets();
7225   UnmapLevelEditorToolboxCustomGadgets();
7226
7227   if (IS_CUSTOM_ELEMENT(properties_element) ||
7228       IS_GROUP_ELEMENT(properties_element))
7229     MapLevelEditorToolboxCustomGadgets();
7230
7231   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7232   ClearWindow();
7233
7234   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7235            "Element Settings", FONT_TITLE_1);
7236
7237   DrawElementBorder(SX + xstart * MINI_TILEX,
7238                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
7239                     TILEX, TILEY, FALSE);
7240   DrawGraphicAnimationExt(drawto,
7241                           SX + xstart * MINI_TILEX,
7242                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
7243                           el2img(properties_element), -1, NO_MASKING);
7244
7245   FrameCounter = 0;     /* restart animation frame counter */
7246
7247   DrawElementName((xstart + 3) * MINI_TILEX + 1, (ystart + 1) * MINI_TILEY + 1,
7248                   properties_element);
7249
7250   DrawPropertiesTabulatorGadgets();
7251
7252   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
7253     DrawPropertiesInfo();
7254   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
7255     DrawPropertiesChange();
7256   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
7257     DrawPropertiesConfig();
7258 }
7259
7260 static void UpdateCustomElementGraphicGadgets()
7261 {
7262   int i;
7263
7264   ModifyEditorElementList();
7265   RedrawDrawingElements();
7266
7267   /* force redraw of all mapped drawing area gadgets */
7268   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7269   {
7270     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
7271
7272     if (gi->mapped)
7273       MapDrawingArea(i);
7274   }
7275 }
7276
7277 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
7278 {
7279   int lx = sx + level_xpos;
7280   int ly = sy + level_ypos;
7281
7282   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
7283
7284   if (change_level)
7285     Feld[lx][ly] = element;
7286 }
7287
7288 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
7289                      int element, boolean change_level)
7290 {
7291   if (from_y == to_y)                   /* horizontal line */
7292   {
7293     int x;
7294     int y = from_y;
7295
7296     if (from_x > to_x)
7297       swap_numbers(&from_x, &to_x);
7298
7299     for (x = from_x; x <= to_x; x++)
7300       DrawLineElement(x, y, element, change_level);
7301   }
7302   else if (from_x == to_x)              /* vertical line */
7303   {
7304     int x = from_x;
7305     int y;
7306
7307     if (from_y > to_y)
7308       swap_numbers(&from_y, &to_y);
7309
7310     for (y = from_y; y <= to_y; y++)
7311       DrawLineElement(x, y, element, change_level);
7312   }
7313   else                                  /* diagonal line */
7314   {
7315     int len_x = ABS(to_x - from_x);
7316     int len_y = ABS(to_y - from_y);
7317     int x, y;
7318
7319     if (len_y < len_x)                  /* a < 1 */
7320     {
7321       float a = (float)len_y / (float)len_x;
7322
7323       if (from_x > to_x)
7324         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
7325
7326       for (x = 0; x <= len_x; x++)
7327       {
7328         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
7329         DrawLineElement(from_x + x, from_y + y, element, change_level);
7330       }
7331     }
7332     else                                /* a >= 1 */
7333     {
7334       float a = (float)len_x / (float)len_y;
7335
7336       if (from_y > to_y)
7337         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
7338
7339       for (y = 0; y <= len_y; y++)
7340       {
7341         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
7342         DrawLineElement(from_x + x, from_y + y, element, change_level);
7343       }
7344     }
7345   }
7346 }
7347
7348 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
7349                     int element, boolean change_level)
7350 {
7351   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
7352   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
7353   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
7354   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
7355 }
7356
7357 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
7358                           int element, boolean change_level)
7359 {
7360   int y;
7361
7362   if (from_y > to_y)
7363     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
7364
7365   for (y = from_y; y <= to_y; y++)
7366     DrawLine(from_x, y, to_x, y, element, change_level);
7367 }
7368
7369 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
7370                        int element, boolean change_level)
7371 {
7372   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
7373   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
7374   int len_x = ABS(to_x - from_x);
7375   int len_y = ABS(to_y - from_y);
7376   int radius, x, y;
7377
7378   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
7379
7380   /* not optimal (some points get drawn twice) but simple,
7381      and fast enough for the few points we are drawing */
7382
7383   for (x = 0; x <= radius; x++)
7384   {
7385     int sx, sy, lx, ly;
7386
7387     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
7388
7389     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
7390     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
7391     lx = sx + level_xpos;
7392     ly = sy + level_ypos;
7393
7394     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7395       DrawLineElement(sx, sy, element, change_level);
7396   }
7397
7398   for (y = 0; y <= radius; y++)
7399   {
7400     int sx, sy, lx, ly;
7401
7402     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
7403
7404     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
7405     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
7406     lx = sx + level_xpos;
7407     ly = sy + level_ypos;
7408
7409     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7410       DrawLineElement(sx, sy, element, change_level);
7411   }
7412 }
7413
7414 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
7415                     int element, boolean change_level)
7416 {
7417   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
7418   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
7419
7420   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
7421 }
7422
7423 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
7424 #if DRAW_CIRCLES_BUTTON_AVAILABLE
7425 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
7426                        int element, boolean change_level)
7427 {
7428   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
7429   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
7430   int mirror_to_x2 = from_x - (to_x2 - from_x);
7431   int mirror_to_y2 = from_y - (to_y2 - from_y);
7432
7433   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
7434   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
7435   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
7436   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
7437 }
7438 #endif
7439
7440 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
7441 {
7442   int from_sx, from_sy;
7443   int to_sx, to_sy;
7444
7445   if (from_x > to_x)
7446     swap_numbers(&from_x, &to_x);
7447
7448   if (from_y > to_y)
7449     swap_numbers(&from_y, &to_y);
7450
7451   from_sx = SX + from_x * MINI_TILEX;
7452   from_sy = SY + from_y * MINI_TILEY;
7453   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
7454   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
7455
7456   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
7457   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
7458   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
7459   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
7460
7461   if (from_x == to_x && from_y == to_y)
7462     MarkTileDirty(from_x/2, from_y/2);
7463   else
7464     redraw_mask |= REDRAW_FIELD;
7465 }
7466
7467 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
7468                        int element, boolean change_level)
7469 {
7470   if (element == -1 || change_level)
7471     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
7472   else
7473     DrawAreaBorder(from_x, from_y, to_x, to_y);
7474 }
7475
7476 /* values for CopyBrushExt() */
7477 #define CB_AREA_TO_BRUSH        0
7478 #define CB_BRUSH_TO_CURSOR      1
7479 #define CB_BRUSH_TO_LEVEL       2
7480 #define CB_DELETE_OLD_CURSOR    3
7481 #define CB_DUMP_BRUSH           4
7482
7483 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
7484                          int button, int mode)
7485 {
7486   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
7487   static int brush_width, brush_height;
7488   static int last_cursor_x = -1, last_cursor_y = -1;
7489   static boolean delete_old_brush;
7490   int new_element = BUTTON_ELEMENT(button);
7491   int x, y;
7492
7493   if (mode == CB_DUMP_BRUSH)
7494   {
7495     if (!draw_with_brush)
7496     {
7497       Error(ERR_WARN, "no brush selected");
7498
7499       return;
7500     }
7501
7502     for (y = 0; y < brush_height; y++)
7503     {
7504       for (x = 0; x < brush_width; x++)
7505       {
7506         int element = brush_buffer[x][y];
7507         int element_mapped = element;
7508
7509 #if 0
7510         char *element_string = "?";
7511         int k;
7512
7513         for (k = 0; forum_sketch_element_mapping[k].element != -1; k++)
7514         {
7515           if (forum_sketch_element_mapping[k].element == element)
7516           {
7517             element_mapped = forum_sketch_element_mapping[k].element_mapped;
7518             break;
7519           }
7520         }
7521
7522         if (IS_CUSTOM_ELEMENT(element))
7523           element_mapped = EL_CUSTOM_1;
7524
7525         for (k = 0; forum_sketch_element_strings[k].element != -1; k++)
7526         {
7527           if (forum_sketch_element_strings[k].element == element_mapped)
7528           {
7529             element_string = forum_sketch_element_strings[k].element_string;
7530             break;
7531           }
7532         }
7533
7534         printf("`%s", element_string);
7535
7536 #else
7537
7538         if (IS_CUSTOM_ELEMENT(element))
7539           element_mapped = EL_CUSTOM_START;
7540         else if (element > EL_ENVELOPE_4)
7541           element_mapped = EL_CHAR_QUESTION;    /* change to EL_UNKNOWN ... */
7542
7543         printf("`%03d", element_mapped);
7544 #endif
7545       }
7546
7547       printf("\n");
7548     }
7549
7550     return;
7551   }
7552
7553   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
7554     return;
7555
7556   if (mode == CB_AREA_TO_BRUSH)
7557   {
7558     int from_lx, from_ly;
7559
7560     if (from_x > to_x)
7561       swap_numbers(&from_x, &to_x);
7562
7563     if (from_y > to_y)
7564       swap_numbers(&from_y, &to_y);
7565
7566     brush_width = to_x - from_x + 1;
7567     brush_height = to_y - from_y + 1;
7568
7569     from_lx = from_x + level_xpos;
7570     from_ly = from_y + level_ypos;
7571
7572     for (y = 0; y < brush_height; y++)
7573     {
7574       for (x=0; x < brush_width; x++)
7575       {
7576         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
7577
7578         if (button != 1)
7579           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
7580       }
7581     }
7582
7583     if (button != 1)
7584       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7585
7586     delete_old_brush = FALSE;
7587   }
7588   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
7589            mode == CB_BRUSH_TO_LEVEL)
7590   {
7591     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
7592     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
7593     int cursor_from_x = cursor_x - brush_width / 2;
7594     int cursor_from_y = cursor_y - brush_height / 2;
7595     int border_from_x = cursor_x, border_from_y = cursor_y;
7596     int border_to_x = cursor_x, border_to_y = cursor_y;
7597
7598     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
7599       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
7600
7601     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
7602         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
7603     {
7604       delete_old_brush = FALSE;
7605       return;
7606     }
7607
7608     for (y = 0; y < brush_height; y++)
7609     {
7610       for (x = 0; x < brush_width; x++)
7611       {
7612         int sx = cursor_from_x + x;
7613         int sy = cursor_from_y + y;
7614         int lx = sx + level_xpos;
7615         int ly = sy + level_ypos;
7616         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
7617         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
7618                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
7619                        brush_buffer[x][y] : new_element);
7620
7621         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7622         {
7623           if (sx < border_from_x)
7624             border_from_x = sx;
7625           else if (sx > border_to_x)
7626             border_to_x = sx;
7627           if (sy < border_from_y)
7628             border_from_y = sy;
7629           else if (sy > border_to_y)
7630             border_to_y = sy;
7631
7632           DrawLineElement(sx, sy, element, change_level);
7633         }
7634       }
7635     }
7636
7637     if (mode != CB_DELETE_OLD_CURSOR)
7638       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
7639
7640     last_cursor_x = cursor_x;
7641     last_cursor_y = cursor_y;
7642     delete_old_brush = TRUE;
7643   }
7644 }
7645
7646 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
7647                             int button)
7648 {
7649   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
7650 }
7651
7652 static void CopyBrushToLevel(int x, int y, int button)
7653 {
7654   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
7655 }
7656
7657 static void CopyBrushToCursor(int x, int y)
7658 {
7659   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
7660 }
7661
7662 static void DeleteBrushFromCursor()
7663 {
7664   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
7665 }
7666
7667 void DumpBrush()
7668 {
7669   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
7670 }
7671
7672 static void FloodFill(int from_x, int from_y, int fill_element)
7673 {
7674   int i,x,y;
7675   int old_element;
7676   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
7677   static int safety = 0;
7678
7679   /* check if starting field still has the desired content */
7680   if (Feld[from_x][from_y] == fill_element)
7681     return;
7682
7683   safety++;
7684
7685   if (safety > lev_fieldx*lev_fieldy)
7686     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
7687
7688   old_element = Feld[from_x][from_y];
7689   Feld[from_x][from_y] = fill_element;
7690
7691   for (i = 0; i < 4; i++)
7692   {
7693     x = from_x + check[i][0];
7694     y = from_y + check[i][1];
7695
7696     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
7697       FloodFill(x, y, fill_element);
7698   }
7699
7700   safety--;
7701 }
7702
7703 /* values for DrawLevelText() modes */
7704 #define TEXT_INIT               0
7705 #define TEXT_SETCURSOR          1
7706 #define TEXT_WRITECHAR          2
7707 #define TEXT_BACKSPACE          3
7708 #define TEXT_NEWLINE            4
7709 #define TEXT_END                5
7710 #define TEXT_QUERY_TYPING       6
7711
7712 static int DrawLevelText(int sx, int sy, char letter, int mode)
7713 {
7714   static short delete_buffer[MAX_LEV_FIELDX];
7715   static int start_sx, start_sy;
7716   static int last_sx, last_sy;
7717   static boolean typing = FALSE;
7718   int letter_element = EL_CHAR_ASCII0 + letter;
7719   int lx = 0, ly = 0;
7720
7721   /* map lower case letters to upper case and convert special characters */
7722   if (letter >= 'a' && letter <= 'z')
7723     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
7724   else if (letter == 'ä' || letter == 'Ä')
7725     letter_element = EL_CHAR_AUMLAUT;
7726   else if (letter == 'ö' || letter == 'Ö')
7727     letter_element = EL_CHAR_OUMLAUT;
7728   else if (letter == 'ü' || letter == 'Ü')
7729     letter_element = EL_CHAR_UUMLAUT;
7730   else if (letter == '^')
7731     letter_element = EL_CHAR_COPYRIGHT;
7732   else
7733     letter_element = EL_CHAR_ASCII0 + letter;
7734
7735   if (mode != TEXT_INIT)
7736   {
7737     if (!typing)
7738       return FALSE;
7739
7740     if (mode != TEXT_SETCURSOR)
7741     {
7742       sx = last_sx;
7743       sy = last_sy;
7744     }
7745
7746     lx = last_sx + level_xpos;
7747     ly = last_sy + level_ypos;
7748   }
7749
7750   switch (mode)
7751   {
7752     case TEXT_INIT:
7753       if (typing)
7754         DrawLevelText(0, 0, 0, TEXT_END);
7755
7756       typing = TRUE;
7757       start_sx = last_sx = sx;
7758       start_sy = last_sy = sy;
7759       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
7760       break;
7761
7762     case TEXT_SETCURSOR:
7763       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
7764       DrawAreaBorder(sx, sy, sx, sy);
7765       last_sx = sx;
7766       last_sy = sy;
7767       break;
7768
7769     case TEXT_WRITECHAR:
7770       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
7771       {
7772         delete_buffer[sx - start_sx] = Feld[lx][ly];
7773         Feld[lx][ly] = letter_element;
7774
7775         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
7776           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
7777         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
7778           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
7779         else
7780           DrawLevelText(0, 0, 0, TEXT_END);
7781       }
7782       break;
7783
7784     case TEXT_BACKSPACE:
7785       if (sx > start_sx)
7786       {
7787         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
7788         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
7789         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
7790       }
7791       break;
7792
7793     case TEXT_NEWLINE:
7794       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
7795         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
7796       else
7797         DrawLevelText(0, 0, 0, TEXT_END);
7798       break;
7799
7800     case TEXT_END:
7801       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7802       DrawMiniElement(sx, sy, Feld[lx][ly]);
7803       typing = FALSE;
7804       break;
7805
7806     case TEXT_QUERY_TYPING:
7807       break;
7808
7809     default:
7810       break;
7811   }
7812
7813   return typing;
7814 }
7815
7816 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
7817                           int element, boolean change_level)
7818 {
7819   int lx = sx + level_xpos;
7820   int ly = sy + level_ypos;
7821
7822   if (element == -1)
7823     DrawMiniElement(sx, sy, Feld[lx][ly]);
7824   else
7825     DrawAreaBorder(sx, sy, sx, sy);
7826 }
7827
7828 static void CopyLevelToUndoBuffer(int mode)
7829 {
7830   static boolean accumulated_undo = FALSE;
7831   boolean new_undo_buffer_position = TRUE;
7832   int last_border_element;
7833   int x, y;
7834
7835   switch (mode)
7836   {
7837     case UNDO_IMMEDIATE:
7838       accumulated_undo = FALSE;
7839       break;
7840
7841     case UNDO_ACCUMULATE:
7842       if (accumulated_undo)
7843         new_undo_buffer_position = FALSE;
7844       accumulated_undo = TRUE;
7845       break;
7846
7847     default:
7848       break;
7849   }
7850
7851   if (new_undo_buffer_position)
7852   {
7853     /* new position in undo buffer ring */
7854     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
7855
7856     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
7857       undo_buffer_steps++;
7858   }
7859
7860   for (x = 0; x < lev_fieldx; x++)
7861     for (y = 0; y < lev_fieldy; y++)
7862       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
7863
7864   /* check if drawing operation forces change of border style */
7865   last_border_element = BorderElement;
7866   SetBorderElement();
7867   if (BorderElement != last_border_element)
7868     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7869 }
7870
7871 static void RandomPlacement(int new_element)
7872 {
7873   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
7874   int num_free_positions;
7875   int num_percentage;
7876   int num_elements;
7877   int x, y;
7878
7879   /* determine number of free positions for the new elements */
7880   /* (maybe this statement should be formatted a bit more readable...) */
7881   num_free_positions = 0;
7882   for (x = 0; x < lev_fieldx; x++)
7883     for (y = 0; y < lev_fieldy; y++)
7884       if ((free_position[x][y] =
7885            ((random_placement_background_restricted &&
7886              Feld[x][y] == random_placement_background_element) ||
7887             (!random_placement_background_restricted &&
7888              Feld[x][y] != new_element))) == TRUE)
7889         num_free_positions++;
7890
7891   /* determine number of new elements to place there */
7892   num_percentage = num_free_positions * random_placement_value / 100;
7893   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
7894                   num_percentage : random_placement_value);
7895
7896   /* if not more free positions than elements to place, fill whole level */
7897   if (num_elements >= num_free_positions)
7898   {
7899     for (x = 0; x < lev_fieldx; x++)
7900       for (y = 0; y < lev_fieldy; y++)
7901         Feld[x][y] = new_element;
7902
7903     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7904     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7905     return;
7906   }
7907
7908   while (num_elements > 0)
7909   {
7910     x = RND(lev_fieldx);
7911     y = RND(lev_fieldy);
7912
7913     /* don't place element at the same position twice */
7914     if (free_position[x][y])
7915     {
7916       free_position[x][y] = FALSE;
7917       Feld[x][y] = new_element;
7918       num_elements--;
7919     }
7920   }
7921
7922   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7923   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7924 }
7925
7926 void WrapLevel(int dx, int dy)
7927 {
7928   int wrap_dx = lev_fieldx - dx;
7929   int wrap_dy = lev_fieldy - dy;
7930   int x, y;
7931
7932   for (x = 0; x < lev_fieldx; x++)
7933     for (y = 0; y < lev_fieldy; y++)
7934       FieldBackup[x][y] = Feld[x][y];
7935
7936   for (x = 0; x < lev_fieldx; x++)
7937     for (y = 0; y < lev_fieldy; y++)
7938       Feld[x][y] =
7939         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
7940
7941   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7942   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
7943 }
7944
7945 static void HandleDrawingAreas(struct GadgetInfo *gi)
7946 {
7947   static boolean started_inside_drawing_area = FALSE;
7948   int id = gi->custom_id;
7949   boolean button_press_event;
7950   boolean button_release_event;
7951   boolean inside_drawing_area = !gi->event.off_borders;
7952   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
7953   int actual_drawing_function;
7954   int button = gi->event.button;
7955   int new_element = BUTTON_ELEMENT(button);
7956   int sx = gi->event.x, sy = gi->event.y;
7957   int min_sx = 0, min_sy = 0;
7958   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
7959   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
7960   int lx = 0, ly = 0;
7961   int min_lx = 0, min_ly = 0;
7962   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7963   int x, y;
7964
7965   /* handle info callback for each invocation of action callback */
7966   gi->callback_info(gi);
7967
7968   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
7969   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
7970
7971   /* make sure to stay inside drawing area boundaries */
7972   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7973   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7974
7975   if (draw_level)
7976   {
7977     /* get positions inside level field */
7978     lx = sx + level_xpos;
7979     ly = sy + level_ypos;
7980
7981     if (!IN_LEV_FIELD(lx, ly))
7982       inside_drawing_area = FALSE;
7983
7984     /* make sure to stay inside level field boundaries */
7985     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7986     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7987
7988     /* correct drawing area positions accordingly */
7989     sx = lx - level_xpos;
7990     sy = ly - level_ypos;
7991   }
7992
7993   if (button_press_event)
7994     started_inside_drawing_area = inside_drawing_area;
7995
7996   if (!started_inside_drawing_area)
7997     return;
7998
7999   if (!button && !button_release_event)
8000     return;
8001
8002   /* automatically switch to 'single item' drawing mode, if needed */
8003   actual_drawing_function =
8004     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
8005      drawing_function : GADGET_ID_SINGLE_ITEMS);
8006
8007   /* clicking into drawing area with pressed Control key picks element */
8008   if (GetKeyModState() & KMOD_Control)
8009   {
8010     last_drawing_function = drawing_function;
8011     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
8012   }
8013
8014   switch (actual_drawing_function)
8015   {
8016     case GADGET_ID_SINGLE_ITEMS:
8017       if (draw_level)
8018       {
8019         if (button_release_event)
8020         {
8021           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8022
8023           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
8024               !inside_drawing_area)
8025             DeleteBrushFromCursor();
8026         }
8027
8028         if (!button)
8029           break;
8030
8031         if (draw_with_brush)
8032         {
8033           if (!button_release_event)
8034             CopyBrushToLevel(sx, sy, button);
8035         }
8036         else if (new_element != Feld[lx][ly])
8037         {
8038           if (new_element == EL_PLAYER_1)
8039           {
8040             /* remove player at old position */
8041             for (y = 0; y < lev_fieldy; y++)
8042             {
8043               for (x = 0; x < lev_fieldx; x++)
8044               {
8045                 if (Feld[x][y] == EL_PLAYER_1)
8046                 {
8047                   Feld[x][y] = EL_EMPTY;
8048                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
8049                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
8050                     DrawMiniElement(x - level_xpos, y - level_ypos,
8051                                     EL_EMPTY);
8052                 }
8053               }
8054             }
8055           }
8056
8057           Feld[lx][ly] = new_element;
8058           DrawMiniElement(sx, sy, new_element);
8059         }
8060       }
8061       else
8062       {
8063         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
8064           DrawMiniGraphicExt(drawto,
8065                              gi->x + sx * MINI_TILEX,
8066                              gi->y + sy * MINI_TILEY,
8067                              el2edimg(new_element));
8068         else
8069           DrawGraphicExt(drawto,
8070                          gi->x + sx * TILEX,
8071                          gi->y + sy * TILEY,
8072                          el2img(new_element), 0);
8073
8074         if (id == GADGET_ID_AMOEBA_CONTENT)
8075           level.amoeba_content = new_element;
8076         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8077         {
8078           new_element = GFX_ELEMENT(new_element);
8079           custom_element.gfx_element = new_element;
8080
8081           CopyElementPropertiesToGame(properties_element);
8082
8083           UpdateCustomElementGraphicGadgets();
8084
8085           FrameCounter = 0;     /* restart animation frame counter */
8086         }
8087         else if (id == GADGET_ID_CUSTOM_CONTENT)
8088         {
8089           custom_element.content[sx][sy] = new_element;
8090
8091           CopyCustomElementPropertiesToGame(properties_element);
8092         }
8093         else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8094         {
8095           custom_element.move_enter_element = new_element;
8096
8097           CopyCustomElementPropertiesToGame(properties_element);
8098         }
8099         else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8100         {
8101           custom_element.move_leave_element = new_element;
8102
8103           CopyCustomElementPropertiesToGame(properties_element);
8104         }
8105         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8106         {
8107           custom_element_change.target_element = new_element;
8108
8109           CopyCustomElementPropertiesToGame(properties_element);
8110         }
8111         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8112         {
8113           custom_element_change.target_content[sx][sy] = new_element;
8114
8115           CopyCustomElementPropertiesToGame(properties_element);
8116         }
8117         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8118         {
8119           custom_element_change.trigger_element = new_element;
8120
8121           CopyCustomElementPropertiesToGame(properties_element);
8122         }
8123         else if (id == GADGET_ID_GROUP_CONTENT)
8124         {
8125           group_element_info.element[sx] = new_element;
8126
8127           CopyGroupElementPropertiesToGame(properties_element);
8128         }
8129         else if (id == GADGET_ID_RANDOM_BACKGROUND)
8130           random_placement_background_element = new_element;
8131         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8132                  id <= GADGET_ID_ELEMENT_CONTENT_7)
8133           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
8134             new_element;
8135       }
8136       break;
8137
8138     case GADGET_ID_CONNECTED_ITEMS:
8139       {
8140         static int last_sx = -1;
8141         static int last_sy = -1;
8142
8143         if (button_release_event)
8144           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8145
8146         if (button)
8147         {
8148           if (!button_press_event)
8149             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
8150
8151           last_sx = sx;
8152           last_sy = sy;
8153         }
8154       }
8155       break;
8156
8157     case GADGET_ID_LINE:
8158     case GADGET_ID_ARC:
8159     case GADGET_ID_RECTANGLE:
8160     case GADGET_ID_FILLED_BOX:
8161     case GADGET_ID_GRAB_BRUSH:
8162     case GADGET_ID_TEXT:
8163       {
8164         static int last_sx = -1;
8165         static int last_sy = -1;
8166         static int start_sx = -1;
8167         static int start_sy = -1;
8168         void (*draw_func)(int, int, int, int, int, boolean);
8169
8170         if (drawing_function == GADGET_ID_LINE)
8171           draw_func = DrawLine;
8172         else if (drawing_function == GADGET_ID_ARC)
8173           draw_func = DrawArc;
8174         else if (drawing_function == GADGET_ID_RECTANGLE)
8175           draw_func = DrawBox;
8176         else if (drawing_function == GADGET_ID_FILLED_BOX)
8177           draw_func = DrawFilledBox;
8178         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
8179           draw_func = SelectArea;
8180         else /* (drawing_function == GADGET_ID_TEXT) */
8181           draw_func = SetTextCursor;
8182
8183         if (button_press_event)
8184         {
8185           draw_func(sx, sy, sx, sy, new_element, FALSE);
8186           start_sx = last_sx = sx;
8187           start_sy = last_sy = sy;
8188
8189           if (drawing_function == GADGET_ID_TEXT)
8190             DrawLevelText(0, 0, 0, TEXT_END);
8191         }
8192         else if (button_release_event)
8193         {
8194           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
8195           if (drawing_function == GADGET_ID_GRAB_BRUSH)
8196           {
8197             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
8198             CopyBrushToCursor(sx, sy);
8199             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
8200                           MB_LEFTBUTTON);
8201             draw_with_brush = TRUE;
8202           }
8203           else if (drawing_function == GADGET_ID_TEXT)
8204             DrawLevelText(sx, sy, 0, TEXT_INIT);
8205           else
8206             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8207         }
8208         else if (last_sx != sx || last_sy != sy)
8209         {
8210           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
8211           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
8212           last_sx = sx;
8213           last_sy = sy;
8214         }
8215       }
8216       break;
8217
8218     case GADGET_ID_FLOOD_FILL:
8219       if (button_press_event && Feld[lx][ly] != new_element)
8220       {
8221         FloodFill(lx, ly, new_element);
8222         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8223         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8224       }
8225       break;
8226
8227     case GADGET_ID_PICK_ELEMENT:
8228       if (button_release_event)
8229         ClickOnGadget(level_editor_gadget[last_drawing_function],
8230                       MB_LEFTBUTTON);
8231       else if (draw_level)
8232         PickDrawingElement(button, Feld[lx][ly]);
8233       else if (id == GADGET_ID_AMOEBA_CONTENT)
8234         PickDrawingElement(button, level.amoeba_content);
8235       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8236         PickDrawingElement(button, custom_element.gfx_element);
8237       else if (id == GADGET_ID_CUSTOM_CONTENT)
8238         PickDrawingElement(button, custom_element.content[sx][sy]);
8239       else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8240         PickDrawingElement(button, custom_element.move_enter_element);
8241       else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8242         PickDrawingElement(button, custom_element.move_leave_element);
8243       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8244         PickDrawingElement(button, custom_element_change.target_element);
8245       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8246         PickDrawingElement(button, custom_element_change.target_content[sx][sy]);
8247       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8248         PickDrawingElement(button, custom_element_change.trigger_element);
8249       else if (id == GADGET_ID_GROUP_CONTENT)
8250         PickDrawingElement(button, group_element_info.element[sx]);
8251       else if (id == GADGET_ID_RANDOM_BACKGROUND)
8252         PickDrawingElement(button, random_placement_background_element);
8253       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8254                id <= GADGET_ID_ELEMENT_CONTENT_7)
8255       {
8256         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
8257
8258         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
8259       }
8260
8261       break;
8262
8263     default:
8264       break;
8265   }
8266 }
8267
8268 static void HandleCounterButtons(struct GadgetInfo *gi)
8269 {
8270   int gadget_id = gi->custom_id;
8271   int counter_id = gi->custom_type_id;
8272   int button = gi->event.button;
8273   int *counter_value = counterbutton_info[counter_id].value;
8274   int step = BUTTON_STEPSIZE(button) *
8275     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
8276
8277   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
8278   {
8279     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
8280     boolean released = (gi->event.type == GD_EVENT_RELEASED);
8281     boolean level_changed = LevelChanged();
8282
8283     if ((level_changed && pressed) || (!level_changed && released))
8284       return;
8285
8286     if (level_changed && !Request("Level has changed! Discard changes ?",
8287                                   REQ_ASK))
8288     {
8289       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
8290         ModifyEditorCounter(counter_id, *counter_value);
8291       return;
8292     }
8293   }
8294
8295   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
8296     *counter_value = gi->textinput.number_value;
8297   else
8298     ModifyEditorCounter(counter_id, *counter_value + step);
8299
8300   switch (counter_id)
8301   {
8302     case ED_COUNTER_ID_ELEMENT_CONTENT:
8303       DrawElementContentAreas();
8304       break;
8305
8306     case ED_COUNTER_ID_GROUP_CONTENT:
8307       DrawGroupElementArea(properties_element);
8308       CopyGroupElementPropertiesToGame(properties_element);
8309       break;
8310
8311     case ED_COUNTER_ID_ENVELOPE_XSIZE:
8312     case ED_COUNTER_ID_ENVELOPE_YSIZE:
8313       DrawEnvelopeTextArea(-1);
8314       break;
8315
8316     case ED_COUNTER_ID_LEVEL_XSIZE:
8317     case ED_COUNTER_ID_LEVEL_YSIZE:
8318       lev_fieldx = level.fieldx;
8319       lev_fieldy = level.fieldy;
8320       break;
8321
8322     case ED_COUNTER_ID_SELECT_LEVEL:
8323       LoadLevel(level_nr);
8324       TapeErase();
8325       ResetUndoBuffer();
8326       DrawEditModeWindow();
8327       break;
8328
8329     default:
8330       break;
8331   }
8332
8333   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
8334        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
8335       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
8336        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
8337     CopyElementPropertiesToGame(properties_element);
8338 }
8339
8340 static void HandleTextInputGadgets(struct GadgetInfo *gi)
8341 {
8342   int type_id = gi->custom_type_id;
8343
8344   strcpy(textinput_info[type_id].value, gi->textinput.value);
8345
8346   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
8347   {
8348     CopyElementPropertiesToGame(properties_element);
8349
8350     ModifyEditorElementList();  /* update changed button info text */
8351   }
8352 }
8353
8354 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
8355 {
8356   int type_id = gi->custom_type_id;
8357
8358   strcpy(textarea_info[type_id].value, gi->textarea.value);
8359 }
8360
8361 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
8362 {
8363   int type_id = gi->custom_type_id;
8364
8365   *selectbox_info[type_id].value =
8366     selectbox_info[type_id].options[gi->selectbox.index].value;
8367
8368   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
8369   {
8370     element_info[properties_element].current_change_page = gi->selectbox.index;
8371
8372     DrawPropertiesWindow();
8373   }
8374   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
8375             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
8376            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
8377             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
8378            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
8379     CopyElementPropertiesToGame(properties_element);
8380 }
8381
8382 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
8383 {
8384   int type_id = gi->custom_type_id;
8385   int i;
8386
8387   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
8388       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
8389   {
8390     edit_mode_properties = gi->custom_type_id;
8391
8392     DrawPropertiesWindow();
8393   }
8394   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
8395   {
8396     char *template_filename = getDefaultLevelFilename(-1);
8397     boolean new_template = !fileExists(template_filename);
8398
8399     if (new_template ||
8400         Request("Save this template and kill the old ?", REQ_ASK))
8401       SaveLevelTemplate();
8402
8403     if (new_template)
8404       Request("Template saved !", REQ_CONFIRM);
8405   }
8406   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
8407            custom_element.num_change_pages < MAX_CHANGE_PAGES)
8408   {
8409     struct ElementInfo *ei = &element_info[properties_element];
8410
8411     setElementChangePages(ei, ei->num_change_pages + 1);
8412
8413     /* set new change page to be new current change page */
8414     ei->current_change_page = ei->num_change_pages - 1;
8415     ei->change = &ei->change_page[ei->current_change_page];
8416
8417     setElementChangeInfoToDefaults(ei->change);
8418
8419     DrawPropertiesWindow();
8420   }
8421   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8422            custom_element.num_change_pages > MIN_CHANGE_PAGES)
8423   {
8424     struct ElementInfo *ei = &element_info[properties_element];
8425
8426     /* copy all change pages after change page to be deleted */
8427     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
8428       ei->change_page[i] = ei->change_page[i + 1];
8429
8430     setElementChangePages(ei, ei->num_change_pages - 1);
8431
8432     DrawPropertiesWindow();
8433   }
8434 }
8435
8436 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
8437 {
8438   int type_id = gi->custom_type_id;
8439
8440   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
8441       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
8442   {
8443     struct ElementInfo *ei = &element_info[properties_element];
8444     int step = BUTTON_STEPSIZE(gi->event.button);
8445
8446     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
8447     ei->current_change_page += step;
8448
8449     if (ei->current_change_page < 0)
8450       ei->current_change_page = 0;
8451     else if (ei->current_change_page >= ei->num_change_pages)
8452       ei->current_change_page = ei->num_change_pages - 1;
8453
8454     DrawPropertiesWindow();
8455   }
8456   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
8457            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
8458   {
8459     struct ElementInfo *ei = &element_info[properties_element];
8460     int current_change_page = ei->current_change_page;
8461
8462     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
8463       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
8464         ei->change_page[current_change_page];
8465     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
8466       ei->change_page[current_change_page] =
8467         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
8468
8469     DrawPropertiesWindow();
8470   }
8471 }
8472
8473 static void HandleRadiobuttons(struct GadgetInfo *gi)
8474 {
8475   *radiobutton_info[gi->custom_type_id].value =
8476     radiobutton_info[gi->custom_type_id].checked_value;
8477 }
8478
8479 static void HandleCheckbuttons(struct GadgetInfo *gi)
8480 {
8481   int type_id = gi->custom_type_id;
8482
8483   *checkbutton_info[type_id].value ^= TRUE;
8484
8485   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
8486       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
8487       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
8488       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
8489          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
8490         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
8491          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
8492        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
8493   {
8494     CopyElementPropertiesToGame(properties_element);
8495   }
8496
8497   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
8498   {
8499     UpdateCustomElementGraphicGadgets();
8500   }
8501   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
8502   {
8503     char *template_filename = getDefaultLevelFilename(-1);
8504
8505     if (level.use_custom_template && !fileExists(template_filename))
8506     {
8507       Request("No level template found !", REQ_CONFIRM);
8508
8509       level.use_custom_template = FALSE;
8510       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
8511
8512       return;
8513     }
8514
8515     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
8516
8517     DrawEditModeWindow();
8518   }
8519 }
8520
8521 static void HandleControlButtons(struct GadgetInfo *gi)
8522 {
8523   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
8524   static int last_edit_mode = ED_MODE_DRAWING;
8525   static int last_custom_copy_mode = -1;
8526   int id = gi->custom_id;
8527   int button = gi->event.button;
8528   int step = BUTTON_STEPSIZE(button);
8529   int new_element = BUTTON_ELEMENT(button);
8530   int x, y;
8531
8532   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
8533     DrawLevelText(0, 0, 0, TEXT_END);
8534
8535   if (id < ED_NUM_CTRL1_BUTTONS &&
8536       id != GADGET_ID_SINGLE_ITEMS &&
8537       id != GADGET_ID_PROPERTIES &&
8538       id != GADGET_ID_PICK_ELEMENT &&
8539       edit_mode != ED_MODE_DRAWING &&
8540       drawing_function != GADGET_ID_PICK_ELEMENT &&
8541       !(GetKeyModState() & KMOD_Control))
8542   {
8543     DrawDrawingWindow();
8544     edit_mode = ED_MODE_DRAWING;
8545   }
8546
8547   /* element copy mode active, but no element button pressed => deactivate */
8548   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
8549     last_custom_copy_mode = -1;
8550
8551   switch (id)
8552   {
8553     case GADGET_ID_SCROLL_LEFT:
8554       if (level_xpos >= 0)
8555       {
8556         if (lev_fieldx < ed_fieldx - 2)
8557           break;
8558
8559         level_xpos -= step;
8560         if (level_xpos < -1)
8561           level_xpos = -1;
8562         if (button == 1)
8563           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
8564         else
8565           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8566
8567         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8568                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
8569       }
8570       break;
8571
8572     case GADGET_ID_SCROLL_RIGHT:
8573       if (level_xpos <= lev_fieldx - ed_fieldx)
8574       {
8575         if (lev_fieldx < ed_fieldx - 2)
8576           break;
8577
8578         level_xpos += step;
8579         if (level_xpos > lev_fieldx - ed_fieldx + 1)
8580           level_xpos = lev_fieldx - ed_fieldx + 1;
8581         if (button == 1)
8582           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
8583         else
8584           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8585
8586         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8587                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
8588       }
8589       break;
8590
8591     case GADGET_ID_SCROLL_UP:
8592       if (level_ypos >= 0)
8593       {
8594         if (lev_fieldy < ed_fieldy - 2)
8595           break;
8596
8597         level_ypos -= step;
8598         if (level_ypos < -1)
8599           level_ypos = -1;
8600         if (button == 1)
8601           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
8602         else
8603           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8604
8605         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8606                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
8607       }
8608       break;
8609
8610     case GADGET_ID_SCROLL_DOWN:
8611       if (level_ypos <= lev_fieldy - ed_fieldy)
8612       {
8613         if (lev_fieldy < ed_fieldy - 2)
8614           break;
8615
8616         level_ypos += step;
8617         if (level_ypos > lev_fieldy - ed_fieldy + 1)
8618           level_ypos = lev_fieldy - ed_fieldy + 1;
8619         if (button == 1)
8620           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
8621         else
8622           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8623
8624         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8625                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
8626       }
8627       break;
8628
8629     case GADGET_ID_SCROLL_HORIZONTAL:
8630       level_xpos = gi->event.item_position - 1;
8631       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8632       break;
8633
8634     case GADGET_ID_SCROLL_VERTICAL:
8635       level_ypos = gi->event.item_position - 1;
8636       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8637       break;
8638
8639     case GADGET_ID_SCROLL_LIST_UP:
8640     case GADGET_ID_SCROLL_LIST_DOWN:
8641     case GADGET_ID_SCROLL_LIST_VERTICAL:
8642       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
8643         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
8644       else
8645       {
8646         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
8647         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
8648
8649         if (element_shift < 0)
8650           element_shift = 0;
8651         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8652           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8653
8654         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
8655                      GDI_SCROLLBAR_ITEM_POSITION,
8656                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
8657       }
8658
8659       ModifyEditorElementList();
8660
8661       break;
8662
8663     case GADGET_ID_WRAP_LEFT:
8664       WrapLevel(-step, 0);
8665       break;
8666
8667     case GADGET_ID_WRAP_RIGHT:
8668       WrapLevel(step, 0);
8669       break;
8670
8671     case GADGET_ID_WRAP_UP:
8672       WrapLevel(0, -step);
8673       break;
8674
8675     case GADGET_ID_WRAP_DOWN:
8676       WrapLevel(0, step);
8677       break;
8678
8679     case GADGET_ID_SINGLE_ITEMS:
8680     case GADGET_ID_CONNECTED_ITEMS:
8681     case GADGET_ID_LINE:
8682     case GADGET_ID_ARC:
8683     case GADGET_ID_TEXT:
8684     case GADGET_ID_RECTANGLE:
8685     case GADGET_ID_FILLED_BOX:
8686     case GADGET_ID_FLOOD_FILL:
8687     case GADGET_ID_GRAB_BRUSH:
8688     case GADGET_ID_PICK_ELEMENT:
8689       if (drawing_function != GADGET_ID_PICK_ELEMENT)
8690         last_drawing_function = drawing_function;
8691       drawing_function = id;
8692       draw_with_brush = FALSE;
8693       break;
8694
8695     case GADGET_ID_RANDOM_PLACEMENT:
8696       RandomPlacement(new_element);
8697       break;
8698
8699     case GADGET_ID_PROPERTIES:
8700       if (edit_mode != ED_MODE_PROPERTIES)
8701       {
8702         properties_element = new_element;
8703         DrawPropertiesWindow();
8704         edit_mode = ED_MODE_PROPERTIES;
8705
8706         last_level_drawing_function = drawing_function;
8707         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
8708                       MB_LEFTBUTTON);
8709       }
8710       else
8711       {
8712         DrawDrawingWindow();
8713         edit_mode = ED_MODE_DRAWING;
8714
8715         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
8716                       MB_LEFTBUTTON);
8717       }
8718       break;
8719
8720     case GADGET_ID_CUSTOM_COPY_FROM:
8721     case GADGET_ID_CUSTOM_COPY_TO:
8722     case GADGET_ID_CUSTOM_EXCHANGE:
8723       last_custom_copy_mode = id;
8724       last_drawing_function = drawing_function;
8725       break;
8726
8727     case GADGET_ID_CUSTOM_COPY:
8728       CopyCustomElement(properties_element, -1, id);
8729       break;
8730
8731     case GADGET_ID_CUSTOM_PASTE:
8732       CopyCustomElement(-1, properties_element, id);
8733       break;
8734
8735     case GADGET_ID_UNDO:
8736       if (undo_buffer_steps == 0)
8737       {
8738         Request("Undo buffer empty !", REQ_CONFIRM);
8739         break;
8740       }
8741
8742       if (edit_mode != ED_MODE_DRAWING)
8743       {
8744         DrawDrawingWindow();
8745         edit_mode = ED_MODE_DRAWING;
8746       }
8747
8748       undo_buffer_position =
8749         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
8750       undo_buffer_steps--;
8751
8752       for (x = 0; x < lev_fieldx; x++)
8753         for (y = 0; y < lev_fieldy; y++)
8754           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
8755       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
8756       break;
8757
8758     case GADGET_ID_INFO:
8759       if (edit_mode != ED_MODE_INFO)
8760       {
8761         last_edit_mode = edit_mode;
8762         edit_mode = ED_MODE_INFO;
8763
8764         DrawLevelInfoWindow();
8765       }
8766       else
8767       {
8768         edit_mode = last_edit_mode;
8769
8770         DrawEditModeWindow();
8771       }
8772       break;
8773
8774     case GADGET_ID_CLEAR:
8775       if (edit_mode != ED_MODE_DRAWING)
8776       {
8777         DrawDrawingWindow();
8778         edit_mode = ED_MODE_DRAWING;
8779       }
8780
8781       for (x = 0; x < MAX_LEV_FIELDX; x++)
8782         for (y = 0; y < MAX_LEV_FIELDY; y++)
8783           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
8784       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
8785
8786       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8787       break;
8788
8789     case GADGET_ID_SAVE:
8790       if (leveldir_current->readonly)
8791       {
8792         Request("This level is read only !", REQ_CONFIRM);
8793         break;
8794       }
8795
8796       if (!LevelContainsPlayer)
8797         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
8798       else
8799       {
8800         char *level_filename = getDefaultLevelFilename(level_nr);
8801         boolean new_level = !fileExists(level_filename);
8802
8803         if (new_level ||
8804             Request("Save this level and kill the old ?", REQ_ASK))
8805         {
8806           CopyPlayfield(Feld, level.field);
8807
8808           SaveLevel(level_nr);
8809         }
8810
8811         if (new_level)
8812           Request("Level saved !", REQ_CONFIRM);
8813       }
8814       break;
8815
8816     case GADGET_ID_TEST:
8817       if (!LevelContainsPlayer)
8818         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
8819       else
8820       {
8821         if (LevelChanged())
8822           level.game_version = GAME_VERSION_ACTUAL;
8823
8824         CopyPlayfield(level.field, FieldBackup);
8825         CopyPlayfield(Feld, level.field);
8826
8827         UnmapLevelEditorGadgets();
8828         UndrawSpecialEditorDoor();
8829
8830         CloseDoor(DOOR_CLOSE_ALL);
8831
8832         DrawCompleteVideoDisplay();
8833
8834         if (setup.autorecord)
8835           TapeStartRecording();
8836
8837         level_editor_test_game = TRUE;
8838         game_status = GAME_MODE_PLAYING;
8839
8840         InitGame();
8841       }
8842       break;
8843
8844     case GADGET_ID_EXIT:
8845       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
8846       break;
8847
8848     default:
8849       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
8850           id <= GADGET_ID_ELEMENTLIST_LAST)
8851       {
8852         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
8853         int new_element = editor_elements[element_position + element_shift];
8854
8855         if (last_custom_copy_mode != -1)
8856         {
8857           if (CopyCustomElement(properties_element, new_element,
8858                                 last_custom_copy_mode))
8859           {
8860             ClickOnGadget(level_editor_gadget[last_drawing_function],
8861                           MB_LEFTBUTTON);
8862
8863             last_custom_copy_mode = -1;
8864           }
8865
8866           break;
8867         }
8868
8869         PickDrawingElement(button, new_element);
8870
8871         if (!stick_element_properties_window &&
8872             drawing_function != GADGET_ID_PICK_ELEMENT &&
8873             !(GetKeyModState() & KMOD_Control))
8874         {
8875           properties_element = new_element;
8876           if (edit_mode == ED_MODE_PROPERTIES)
8877             DrawPropertiesWindow();
8878         }
8879
8880         if (drawing_function == GADGET_ID_PICK_ELEMENT)
8881           ClickOnGadget(level_editor_gadget[last_drawing_function],
8882                         MB_LEFTBUTTON);
8883       }
8884 #ifdef DEBUG
8885       else if (gi->event.type == GD_EVENT_PRESSED)
8886         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
8887       else if (gi->event.type == GD_EVENT_RELEASED)
8888         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
8889       else if (gi->event.type == GD_EVENT_MOVING)
8890         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
8891       else
8892         printf("default: HandleControlButtons: ? (id == %d)\n", id);
8893 #endif
8894       break;
8895   }
8896 }
8897
8898 void HandleLevelEditorKeyInput(Key key)
8899 {
8900   char letter = getCharFromKey(key);
8901   int button = MB_LEFTBUTTON;
8902
8903   if (drawing_function == GADGET_ID_TEXT &&
8904       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
8905   {
8906     if (letter)
8907       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
8908     else if (key == KSYM_Delete || key == KSYM_BackSpace)
8909       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
8910     else if (key == KSYM_Return)
8911       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
8912     else if (key == KSYM_Escape)
8913       DrawLevelText(0, 0, 0, TEXT_END);
8914   }
8915   else if (button_status == MB_RELEASED)
8916   {
8917     int i, id = GADGET_ID_NONE;
8918
8919     switch (key)
8920     {
8921       case KSYM_Left:
8922         id = GADGET_ID_SCROLL_LEFT;
8923         break;
8924       case KSYM_Right:
8925         id = GADGET_ID_SCROLL_RIGHT;
8926         break;
8927       case KSYM_Up:
8928         id = GADGET_ID_SCROLL_UP;
8929         break;
8930       case KSYM_Down:
8931         id = GADGET_ID_SCROLL_DOWN;
8932         break;
8933       case KSYM_Page_Up:
8934         id = GADGET_ID_SCROLL_LIST_UP;
8935         button = MB_RIGHTBUTTON;
8936         break;
8937       case KSYM_Page_Down:
8938         id = GADGET_ID_SCROLL_LIST_DOWN;
8939         button = MB_RIGHTBUTTON;
8940         break;
8941
8942       case KSYM_Escape:
8943         if (edit_mode == ED_MODE_DRAWING)
8944         {
8945           RequestExitLevelEditor(setup.ask_on_escape);
8946         }
8947         else
8948         {
8949           DrawDrawingWindow();
8950           edit_mode = ED_MODE_DRAWING;
8951         }
8952         break;
8953
8954       default:
8955         break;
8956     }
8957
8958     if (id != GADGET_ID_NONE)
8959       ClickOnGadget(level_editor_gadget[id], button);
8960     else if (letter == '.')
8961       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
8962     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
8963       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
8964     else
8965       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8966         if (letter && letter == control_info[i].shortcut)
8967           if (!anyTextGadgetActive())
8968             ClickOnGadget(level_editor_gadget[i], button);
8969   }
8970 }
8971
8972 void HandleLevelEditorIdle()
8973 {
8974   static unsigned long action_delay = 0;
8975   unsigned long action_delay_value = GameFrameDelay;
8976   int xpos = 1, ypos = 2;
8977
8978   if (edit_mode != ED_MODE_PROPERTIES)
8979     return;
8980
8981   if (!DelayReached(&action_delay, action_delay_value))
8982     return;
8983
8984   DrawGraphicAnimationExt(drawto,
8985                           SX + xpos * TILEX,
8986                           SY + ypos * TILEY + MINI_TILEY / 2,
8987                           el2img(properties_element), -1, NO_MASKING);
8988
8989   MarkTileDirty(xpos, ypos);
8990   MarkTileDirty(xpos, ypos + 1);
8991
8992   FrameCounter++;       /* increase animation frame counter */
8993 }
8994
8995 void ClearEditorGadgetInfoText()
8996 {
8997   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
8998 }
8999
9000 void HandleEditorGadgetInfoText(void *ptr)
9001 {
9002   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
9003   char infotext[MAX_OUTPUT_LINESIZE + 1];
9004   char shortcut[MAX_OUTPUT_LINESIZE + 1];
9005   int max_infotext_len = getMaxInfoTextLength();
9006
9007   if (game_status != GAME_MODE_EDITOR)
9008     return;
9009
9010   ClearEditorGadgetInfoText();
9011
9012   if (gi->event.type == GD_EVENT_INFO_LEAVING)
9013     return;
9014
9015   /* misuse this function to delete brush cursor, if needed */
9016   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
9017     DeleteBrushFromCursor();
9018
9019   if (gi == NULL || gi->info_text == NULL)
9020     return;
9021
9022   strncpy(infotext, gi->info_text, max_infotext_len);
9023   infotext[max_infotext_len] = '\0';
9024
9025   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
9026   {
9027     int key = control_info[gi->custom_id].shortcut;
9028
9029     if (key)
9030     {
9031       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
9032         sprintf(shortcut, " ('.' or '%c')", key);
9033       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
9034         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
9035       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
9036         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
9037       else                                              /* normal case */
9038         sprintf(shortcut, " ('%s%c')",
9039                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
9040
9041       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
9042         strcat(infotext, shortcut);
9043     }
9044   }
9045
9046   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
9047 }
9048
9049 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
9050 {
9051   static int start_lx, start_ly;
9052   int id = gi->custom_id;
9053   int sx = gi->event.x;
9054   int sy = gi->event.y;
9055   int lx = sx + level_xpos;
9056   int ly = sy + level_ypos;
9057   int min_sx = 0, min_sy = 0;
9058   int max_sx = gi->drawing.area_xsize - 1;
9059   int max_sy = gi->drawing.area_ysize - 1;
9060   int actual_drawing_function = drawing_function;
9061   int max_infotext_len = getMaxInfoTextLength();
9062   char infotext[MAX_OUTPUT_LINESIZE + 1];
9063   char *text;
9064
9065   infotext[0] = '\0';           /* start with empty info text */
9066
9067   /* pressed Control key: simulate picking element */
9068   if (GetKeyModState() & KMOD_Control)
9069     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
9070
9071   ClearEditorGadgetInfoText();
9072
9073   if (gi->event.type == GD_EVENT_INFO_LEAVING)
9074     return;
9075
9076   /* make sure to stay inside drawing area boundaries */
9077   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
9078   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
9079
9080   if (id == GADGET_ID_DRAWING_LEVEL)
9081   {
9082     if (button_status)
9083     {
9084       int min_lx = 0, min_ly = 0;
9085       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
9086
9087       /* get positions inside level field */
9088       lx = sx + level_xpos;
9089       ly = sy + level_ypos;
9090
9091       /* make sure to stay inside level field boundaries */
9092       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
9093       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
9094
9095       /* correct drawing area positions accordingly */
9096       sx = lx - level_xpos;
9097       sy = ly - level_ypos;
9098     }
9099
9100     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
9101     {
9102       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
9103       {
9104         if (gi->event.type == GD_EVENT_PRESSED)
9105         {
9106           start_lx = lx;
9107           start_ly = ly;
9108         }
9109
9110         switch (actual_drawing_function)
9111         {
9112           case GADGET_ID_SINGLE_ITEMS:
9113             text = "Drawing single items";
9114             break;
9115           case GADGET_ID_CONNECTED_ITEMS:
9116             text = "Drawing connected items";
9117             break;
9118           case GADGET_ID_LINE:
9119             text = "Drawing line";
9120             break;
9121           case GADGET_ID_ARC:
9122             text = "Drawing arc";
9123             break;
9124           case GADGET_ID_TEXT:
9125             text = "Setting text cursor";
9126             break;
9127           case GADGET_ID_RECTANGLE:
9128             text = "Drawing rectangle";
9129             break;
9130           case GADGET_ID_FILLED_BOX:
9131             text = "Drawing filled box";
9132             break;
9133           case GADGET_ID_FLOOD_FILL:
9134             text = "Flood fill";
9135             break;
9136           case GADGET_ID_GRAB_BRUSH:
9137             text = "Grabbing brush";
9138             break;
9139           case GADGET_ID_PICK_ELEMENT:
9140             text = "Picking element";
9141             break;
9142
9143           default:
9144             text = "Drawing position";
9145             break;
9146         }
9147
9148 #if 1
9149         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9150           sprintf(infotext, "%s: %d, %d", text, lx, ly);
9151         else
9152           sprintf(infotext, "%s: %d, %d", text,
9153                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
9154 #else
9155         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9156           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9157                     "%s: %d, %d", infotext, lx, ly);
9158         else
9159           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9160                     "%s: %d, %d", infotext,
9161                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
9162 #endif
9163       }
9164 #if 1
9165       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9166         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
9167       else
9168         sprintf(infotext, "Level position: %d, %d", lx, ly);
9169 #else
9170       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9171         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9172                   "%s", getElementInfoText(Feld[lx][ly]));
9173       else
9174         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9175                   "Level position: %d, %d", lx, ly);
9176 #endif
9177     }
9178
9179     /* misuse this function to draw brush cursor, if needed */
9180     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
9181     {
9182       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9183         CopyBrushToCursor(sx, sy);
9184       else
9185         DeleteBrushFromCursor();
9186     }
9187   }
9188   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9189   {
9190     int element = EL_EMPTY;
9191
9192     if (id == GADGET_ID_AMOEBA_CONTENT)
9193       element = level.amoeba_content;
9194     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
9195       element = custom_element.gfx_element;
9196     else if (id == GADGET_ID_CUSTOM_CONTENT)
9197       element = custom_element.content[sx][sy];
9198     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
9199       element = custom_element.move_enter_element;
9200     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
9201       element = custom_element.move_leave_element;
9202     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
9203       element = custom_element_change.target_element;
9204     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
9205       element = custom_element_change.target_content[sx][sy];
9206     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
9207       element = custom_element_change.trigger_element;
9208     else if (id == GADGET_ID_GROUP_CONTENT)
9209       element = group_element_info.element[sx];
9210     else if (id == GADGET_ID_RANDOM_BACKGROUND)
9211       element = random_placement_background_element;
9212     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
9213              id <= GADGET_ID_ELEMENT_CONTENT_7)
9214       element = level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy];
9215
9216     strncpy(infotext, getElementInfoText(element), max_infotext_len);
9217   }
9218   else
9219   {
9220     if (id == GADGET_ID_AMOEBA_CONTENT)
9221       strcpy(infotext, "Amoeba content");
9222     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
9223       strcpy(infotext, "Custom graphic element");
9224     else if (id == GADGET_ID_CUSTOM_CONTENT)
9225       sprintf(infotext, "Custom element content position: %d, %d", sx, sy);
9226     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
9227       strcpy(infotext, "Element that can be digged/collected");
9228     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
9229       strcpy(infotext, "Element that will be left behind");
9230     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
9231       strcpy(infotext, "New element after change");
9232     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
9233       strcpy(infotext, "New extended elements after change");
9234     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
9235       strcpy(infotext, "Other element triggering change");
9236     else if (id == GADGET_ID_GROUP_CONTENT)
9237       sprintf(infotext, "Group element position: %d", sx + 1);
9238     else if (id == GADGET_ID_RANDOM_BACKGROUND)
9239       strcpy(infotext, "Random placement background");
9240     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
9241              id <= GADGET_ID_ELEMENT_CONTENT_7)
9242       sprintf(infotext, "Content area %d position: %d, %d",
9243               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
9244   }
9245
9246   infotext[max_infotext_len] = '\0';
9247
9248   if (strlen(infotext) > 0)
9249     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
9250 }
9251
9252 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
9253 {
9254   if (!ask_if_level_has_changed ||
9255       !LevelChanged() ||
9256       Request("Level has changed! Exit without saving ?",
9257               REQ_ASK | REQ_STAY_OPEN))
9258   {
9259 #if 1
9260     CloseDoor(DOOR_CLOSE_1);
9261     SetDoorState(DOOR_CLOSE_2);
9262 #else
9263     CloseDoor(DOOR_CLOSE_ALL);
9264 #endif
9265     game_status = GAME_MODE_MAIN;
9266     DrawMainMenu();
9267   }
9268   else
9269   {
9270     CloseDoor(DOOR_CLOSE_1);
9271     BlitBitmap(bitmap_db_door, bitmap_db_door,
9272                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
9273                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
9274     OpenDoor(DOOR_OPEN_1);
9275   }
9276 }