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 settings 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 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_SETTINGS_XPOS(n))
 141 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_SETTINGS_YPOS(n) +          \
 142                                          ED_GADGET_DISTANCE)
 143
 144 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_SETTINGS_XPOS(n))
 145 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_SETTINGS_YPOS(n) +          \
 146                                          ED_GADGET_DISTANCE - MINI_TILEY)
 147
 148 /* yamyam content */
 149 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 150                                          5 * ((n) % 4) * MINI_TILEX)
 151 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (17 * MINI_TILEY +              \
 152                                          6 * ((n) / 4) * MINI_TILEY)
 153
 154 /* values for scrolling gadgets for drawing area */
 155 #define ED_SCROLLBUTTON_XPOS            24
 156 #define ED_SCROLLBUTTON_YPOS            0
 157 #define ED_SCROLLBAR_XPOS               24
 158 #define ED_SCROLLBAR_YPOS               64
 159
 160 #define ED_SCROLLBUTTON_XSIZE           16
 161 #define ED_SCROLLBUTTON_YSIZE           16
 162
 163 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 164 #define ED_SCROLL_UP_YPOS               (0)
 165 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 166 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 167 #define ED_SCROLL_LEFT_XPOS             (0)
 168 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 169 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 170 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 171 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 172                                          ED_SCROLLBUTTON_XSIZE)
 173 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 174 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 175 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 176 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 177 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 178                                          ED_SCROLLBUTTON_YSIZE)
 179 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 180 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 181
 182 /* values for scrolling gadgets for element list */
 183 #define ED_SCROLLBUTTON2_XPOS           50
 184 #define ED_SCROLLBUTTON2_YPOS           0
 185 #define ED_SCROLLBAR2_XPOS              50
 186 #define ED_SCROLLBAR2_YPOS              20
 187
 188 #define ED_SCROLLBUTTON2_XSIZE          10
 189 #define ED_SCROLLBUTTON2_YSIZE          10
 190
 191 #define ED_SCROLL2_UP_XPOS              85
 192 #define ED_SCROLL2_UP_YPOS              30
 193 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 194 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 195                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 196                                          ED_ELEMENTLIST_YSIZE -         \
 197                                          ED_SCROLLBUTTON2_YSIZE)
 198 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 199 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 200                                          ED_SCROLLBUTTON2_YSIZE)
 201 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 202 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 203                                          ED_ELEMENTLIST_YSIZE -         \
 204                                          2 * ED_SCROLLBUTTON2_YSIZE)
 205
 206 /* values for checkbutton gadgets */
 207 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 208 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 209 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 210 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 211 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 212 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 213 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 214
 215 /* values for some special graphic buttons */
 216 #define ED_COPY_CHANGE_PAGE_XPOS        25
 217 #define ED_COPY_CHANGE_PAGE_YPOS        50
 218 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 219 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 220
 221 /* some values for text input, selectbox and counter gadgets */
 222 #define ED_BUTTON_COUNT_YPOS            60
 223 #define ED_BUTTON_COUNT_XSIZE           20
 224 #define ED_BUTTON_COUNT_YSIZE           20
 225 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 226 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 227 #define ED_WIN_COUNT_XSIZE              52
 228 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 229 #define ED_WIN_COUNT2_XPOS              27
 230 #define ED_WIN_COUNT2_YPOS              3
 231 #define ED_WIN_COUNT2_XSIZE             46
 232 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 233
 234 #define ED_BUTTON_MINUS_XPOS            2
 235 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 236 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 237 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 238 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 239                                          ED_WIN_COUNT_XSIZE + 2)
 240 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 241 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 242 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 243
 244 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 245 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 246                                          2 + ED_WIN_COUNT_YSIZE)
 247 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 248 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 249
 250 #define ED_SELECTBOX_BUTTON_XSIZE       14
 251
 252 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 253 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 254                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 255 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 256
 257 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 258 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 259                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 260 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 261                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 262
 263 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 264 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 265
 266 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 267 #define INFOTEXT_XPOS                   SX
 268 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 269 #define INFOTEXT_XSIZE                  SXSIZE
 270 #define INFOTEXT_YSIZE                  MINI_TILEX
 271
 272
 273 /*
 274   -----------------------------------------------------------------------------
 275   editor gadget definitions
 276   -----------------------------------------------------------------------------
 277 */
 278
 279 /* drawing toolbox buttons */
 280 #define GADGET_ID_NONE                  -1
 281 #define GADGET_ID_TOOLBOX_FIRST         0
 282
 283 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 284 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 285 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 286 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 287 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 288 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 289 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 290 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 291 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 292 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 293 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 294 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 295 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 296 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 297 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 298 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 299
 300 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 301 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 302 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 303 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 304 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 305 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 306
 307 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 308 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 309 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 310 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 311 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 312
 313 /* counter button identifiers */
 314 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 27)
 315
 316 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 317 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 318 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 319 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 320 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 321 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 322 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 323 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 324 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 325 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 326 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 327 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 328 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 329 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 330 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 331 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 332 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 333 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 334 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 335 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 336 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 337 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 338 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 339 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 340 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 341 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 342 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 343 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 344 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 345 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 346 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 347 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 348 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 349 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 350 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 351 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 352 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 353 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 354 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 355 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 356 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 357 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 358 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 359 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 360 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 361 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 362 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 363 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 364 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 365 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 366 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 367 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 368 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 369 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 53)
 370 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 371 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 372 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 56)
 373 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 374 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 375 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 59)
 376 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 60)
 377 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 61)
 378 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 62)
 379 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 380 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 381 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 65)
 382 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 66)
 383 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 67)
 384 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 68)
 385 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 69)
 386 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 70)
 387 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 71)
 388 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 72)
 389 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 73)
 390 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 74)
 391
 392 /* drawing area identifiers */
 393 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 75)
 394
 395 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 396 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 397 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 398 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 399 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 400 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 401 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 402 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 403 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 404 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 405 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 406 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 407 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 12)
 408 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 409 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 410 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 15)
 411 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 16)
 412 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 17)
 413 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 18)
 414
 415 /* text input identifiers */
 416 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 19)
 417
 418 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 419 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 420 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 421
 422 /* text area identifiers */
 423 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 424
 425 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 426
 427 /* selectbox identifiers */
 428 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 429
 430 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 431 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 1)
 432 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 2)
 433 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 3)
 434 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 4)
 435 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 5)
 436 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 6)
 437 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 7)
 438 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 8)
 439 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 9)
 440 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 10)
 441 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 11)
 442 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 12)
 443 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 13)
 444 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 14)
 445 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 15)
 446 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 16)
 447 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 17)
 448 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 18)
 449 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 19)
 450 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 20)
 451 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 21)
 452 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 22)
 453
 454 /* textbutton identifiers */
 455 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 23)
 456
 457 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 458 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 459 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 460 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 3)
 461 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 462 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 5)
 463 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 6)
 464 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 7)
 465
 466 /* graphicbutton identifiers */
 467 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 8)
 468
 469 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 470 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 471 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 472 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 473
 474 /* gadgets for scrolling of drawing area */
 475 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 476
 477 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 478 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 479 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 480 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 481 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 482 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 483
 484 /* gadgets for scrolling element list */
 485 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 486
 487 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 488 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 489 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 490
 491 /* checkbuttons/radiobuttons for level/element properties */
 492 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 493
 494 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 495 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 496 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 497 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 498 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 499 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 500 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 501 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 502 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 8)
 503 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 9)
 504 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 10)
 505 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 506 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 12)
 507 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 13)
 508 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 14)
 509 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 15)
 510 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 16)
 511 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 512 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 18)
 513 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 19)
 514 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 515 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 21)
 516 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 22)
 517 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 518 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 24)
 519 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 25)
 520 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 26)
 521 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 522 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 28)
 523 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 29)
 524 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 30)
 525 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 31)
 526 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 32)
 527 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 33)
 528 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 34)
 529 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 35)
 530 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 36)
 531 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 37)
 532 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 38)
 533
 534 /* gadgets for buttons in element list */
 535 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 39)
 536 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 537                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 538
 539 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 540
 541 /* radio button numbers */
 542 #define RADIO_NR_NONE                   0
 543 #define RADIO_NR_DRAWING_TOOLBOX        1
 544 #define RADIO_NR_RANDOM_ELEMENTS        2
 545
 546 /* values for counter gadgets */
 547 #define ED_COUNTER_ID_SELECT_LEVEL      0
 548 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 549 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 550 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 551 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 552 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 553 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 554 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 555 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 556 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 557 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 558 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 559 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 560 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 561 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 562 #define ED_COUNTER_ID_DROP_DELAY_FIX    15
 563 #define ED_COUNTER_ID_DROP_DELAY_RND    16
 564 #define ED_COUNTER_ID_MOVE_DELAY_FIX    17
 565 #define ED_COUNTER_ID_MOVE_DELAY_RND    18
 566 #define ED_COUNTER_ID_EXPLOSION_DELAY   19
 567 #define ED_COUNTER_ID_IGNITION_DELAY    20
 568 #define ED_COUNTER_ID_GROUP_CONTENT     21
 569 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  22
 570 #define ED_COUNTER_ID_CHANGE_DELAY_RND  23
 571 #define ED_COUNTER_ID_CHANGE_CONT_RND   24
 572
 573 #define ED_NUM_COUNTERBUTTONS           25
 574
 575 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 576 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 577
 578 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 579 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 580 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 581 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 582 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 583 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 584
 585 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 586 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 587
 588 /* values for scrollbutton gadgets */
 589 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 590 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 591 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 592 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 593 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 594 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 595
 596 #define ED_NUM_SCROLLBUTTONS            6
 597
 598 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 599 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 600
 601 /* values for scrollbar gadgets */
 602 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 603 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 604 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 605
 606 #define ED_NUM_SCROLLBARS               3
 607
 608 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 609 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 610
 611 /* values for text input gadgets */
 612 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 613 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 614 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 615
 616 #define ED_NUM_TEXTINPUT                3
 617
 618 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 619 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 620
 621 /* values for text area gadgets */
 622 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 623
 624 #define ED_NUM_TEXTAREAS                        1
 625
 626 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 627 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 628
 629 /* values for selectbox gadgets */
 630 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 631 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      1
 632 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     2
 633 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 3
 634 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 4
 635 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   5
 636 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     6
 637 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   7
 638 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    8
 639 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  9
 640 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    10
 641 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    11
 642 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       12
 643 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   13
 644 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       14
 645 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    15
 646 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     16
 647 #define ED_SELECTBOX_ID_CHANGE_SIDE             17
 648 #define ED_SELECTBOX_ID_CHANGE_PLAYER           18
 649 #define ED_SELECTBOX_ID_CHANGE_PAGE             19
 650 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     20
 651 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      21
 652 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       22
 653
 654 #define ED_NUM_SELECTBOX                        23
 655
 656 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 657 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_TIME_OR_STEPS
 658
 659 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 660 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 661 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 662 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 663 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 664 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 665
 666 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 667 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 668
 669 /* values for textbutton gadgets */
 670 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 671 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 672 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    2
 673 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    3
 674 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      4
 675 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       5
 676 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        6
 677 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        7
 678
 679 #define ED_NUM_TEXTBUTTONS                      8
 680
 681 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 682 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 683
 684 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 685 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 686
 687 /* values for graphicbutton gadgets */
 688 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 689 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 690 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 691 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 692
 693 #define ED_NUM_GRAPHICBUTTONS                   4
 694
 695 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 696 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 697
 698 /* values for checkbutton gadgets */
 699 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 700 #define ED_CHECKBUTTON_ID_GRAVITY               1
 701 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 702 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 703 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 704 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        5
 705 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    6
 706 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      7
 707 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   8
 708 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    9
 709 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  10
 710 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    11
 711 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    12
 712 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     13
 713 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    14
 714 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   15
 715 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     16
 716 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 17
 717 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 18
 718 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 19
 719 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       20
 720 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       21
 721 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      22
 722 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       23
 723 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         24
 724 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    25
 725 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   26
 726 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  27
 727 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 28
 728 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     29
 729 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          30
 730 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  31
 731 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   32
 732 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  33
 733 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    34
 734 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  35
 735 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     36
 736
 737 #define ED_NUM_CHECKBUTTONS                     37
 738
 739 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 740 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 741
 742 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 743 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 744 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 745 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 746 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 747 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 748
 749 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 750 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM
 751
 752 /* values for radiobutton gadgets */
 753 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 754 #define ED_RADIOBUTTON_ID_QUANTITY      1
 755
 756 #define ED_NUM_RADIOBUTTONS             2
 757
 758 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 759 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 760
 761 /* values for drawing area gadgets */
 762 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 763 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 764 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 765 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 766 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 767 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 768 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 769 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 770 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 771 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 772 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 773 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 774 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         12
 775 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         13
 776 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      14
 777 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     15
 778 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     16
 779 #define ED_DRAWING_ID_GROUP_CONTENT             17
 780 #define ED_DRAWING_ID_RANDOM_BACKGROUND         18
 781
 782 #define ED_NUM_DRAWING_AREAS                    19
 783
 784
 785 /*
 786   -----------------------------------------------------------------------------
 787   some internally used definitions
 788   -----------------------------------------------------------------------------
 789 */
 790
 791 /* values for CopyLevelToUndoBuffer() */
 792 #define UNDO_IMMEDIATE                  0
 793 #define UNDO_ACCUMULATE                 1
 794
 795 /* values for scrollbars */
 796 #define ED_SCROLL_NO                    0
 797 #define ED_SCROLL_LEFT                  1
 798 #define ED_SCROLL_RIGHT                 2
 799 #define ED_SCROLL_UP                    4
 800 #define ED_SCROLL_DOWN                  8
 801
 802 /* screens in the level editor */
 803 #define ED_MODE_DRAWING                 0
 804 #define ED_MODE_INFO                    1
 805 #define ED_MODE_PROPERTIES              2
 806
 807 /* sub-screens in the element properties section */
 808 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 809 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 810 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 811 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 812 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 813
 814 /* how many steps can be cancelled */
 815 #define NUM_UNDO_STEPS                  (10 + 1)
 816
 817 /* values for elements with score for certain actions */
 818 #define MIN_SCORE                       0
 819 #define MAX_SCORE                       255
 820
 821 /* values for elements with count for collecting */
 822 #define MIN_COLLECT_COUNT               0
 823 #define MAX_COLLECT_COUNT               100
 824
 825 /* values for random placement */
 826 #define RANDOM_USE_PERCENTAGE           0
 827 #define RANDOM_USE_QUANTITY             1
 828
 829 /* maximal size of level editor drawing area */
 830 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 831 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 832
 833
 834 /*
 835   -----------------------------------------------------------------------------
 836   some internally used data structure definitions
 837   -----------------------------------------------------------------------------
 838 */
 839
 840 static struct
 841 {
 842   char shortcut;
 843   char *text;
 844 } control_info[ED_NUM_CTRL_BUTTONS] =
 845 {
 846   { 's',        "draw single items"                     },
 847   { 'd',        "draw connected items"                  },
 848   { 'l',        "draw lines"                            },
 849   { 'a',        "draw arcs"                             },
 850   { 'r',        "draw outline rectangles"               },
 851   { 'R',        "draw filled rectangles"                },
 852   { '\0',       "wrap (rotate) level up"                },
 853   { 't',        "enter text elements"                   },
 854   { 'f',        "flood fill"                            },
 855   { '\0',       "wrap (rotate) level left"              },
 856   { '?',        "properties of drawing element"         },
 857   { '\0',       "wrap (rotate) level right"             },
 858   { '\0',       "random element placement"              },
 859   { 'b',        "grab brush"                            },
 860   { '\0',       "wrap (rotate) level down"              },
 861   { ',',        "pick drawing element"                  },
 862
 863   { 'U',        "undo last operation"                   },
 864   { 'I',        "level properties"                      },
 865   { 'S',        "save level"                            },
 866   { 'C',        "clear level"                           },
 867   { 'T',        "test level"                            },
 868   { 'E',        "exit level editor"                     },
 869
 870   { '\0',       "copy settings from other element"      },
 871   { '\0',       "copy settings to other element"        },
 872   { '\0',       "exchange element with other element"   },
 873
 874   { '\0',       "copy settings from this element"       },
 875   { '\0',       "paste settings to this element"        },
 876 };
 877
 878 static int random_placement_value = 10;
 879 static int random_placement_method = RANDOM_USE_QUANTITY;
 880 static int random_placement_background_element = EL_SAND;
 881 static boolean random_placement_background_restricted = FALSE;
 882 static boolean stick_element_properties_window = FALSE;
 883 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 884 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 885 static struct ElementChangeInfo custom_element_change;
 886 static struct ElementGroupInfo group_element_info;
 887 static struct ElementInfo custom_element;
 888
 889 static struct
 890 {
 891   int x, y;
 892   int min_value, max_value;
 893   int gadget_id_down, gadget_id_up;
 894   int gadget_id_text;
 895   int gadget_id_align;
 896   int *value;
 897   char *text_above, *text_left, *text_right;
 898 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 899 {
 900   /* ---------- level and editor settings ---------------------------------- */
 901
 902   {
 903     DX + 5 - SX,                        DY + 3 - SY,
 904     1,                                  100,
 905     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 906     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 907     &level_nr,
 908     NULL,                               NULL, NULL
 909   },
 910   {
 911     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 912     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 913     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 914     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 915     &level.fieldx,
 916     "playfield size:",                  NULL, "width",
 917   },
 918   {
 919     -1,                                 ED_COUNTER_YPOS(2),
 920     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 921     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 922     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 923     &level.fieldy,
 924     NULL,                               " ", "height",
 925   },
 926   {
 927     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 928     0,                                  999,
 929     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 930     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 931     &level.gems_needed,
 932     "number of gems to collect:",       NULL, NULL
 933   },
 934   {
 935     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 936     0,                                  9999,
 937     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 938     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 939     &level.time,
 940     "time or step limit to solve level:", NULL, NULL
 941   },
 942   {
 943     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 944     0,                                  255,
 945     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 946     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 947     &level.score[SC_TIME_BONUS],
 948     "score for each 10 sec/steps left:", NULL, NULL
 949   },
 950   {
 951     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 952     1,                                  100,
 953     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 954     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 955     &random_placement_value,
 956     "random element placement:",        NULL, "in"
 957   },
 958
 959   /* ---------- element settings: configure (various elements) ------------- */
 960
 961   {
 962     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 963     MIN_SCORE,                          MAX_SCORE,
 964     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 965     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 966     NULL,                               /* will be set when used */
 967     NULL,                               NULL, NULL
 968   },
 969   {
 970     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
 971     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 972     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 973     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 974     &level.num_yamyam_contents,
 975     NULL,                               NULL, "number of content areas"
 976   },
 977   {
 978     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 979     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 980     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 981     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 982     NULL,
 983     NULL,                               NULL, "width",
 984   },
 985   {
 986     -1,                                 ED_SETTINGS_YPOS(0),
 987     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 988     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 989     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 990     NULL,
 991     NULL,                               " ", "height",
 992   },
 993
 994   /* ---------- element settings: configure 1 (custom elements) ------------ */
 995
 996   {
 997     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
 998     MIN_SCORE,                          MAX_SCORE,
 999     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1000     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1001     &custom_element.collect_score,
1002     NULL,                               "score", " "
1003   },
1004   {
1005     -1,                                 ED_SETTINGS_YPOS(6),
1006     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1007     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1008     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1009     &custom_element.collect_count,
1010     NULL,                               "count", NULL
1011   },
1012   {
1013     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1014     0,                                  255,
1015     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1016     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1017     &custom_element.push_delay_fixed,
1018     NULL,                               "push delay", NULL
1019   },
1020   {
1021     -1,                                 ED_SETTINGS_YPOS(7),
1022     0,                                  255,
1023     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1024     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1025     &custom_element.push_delay_random,
1026     NULL,                               "+random", NULL
1027   },
1028   {
1029     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1030     0,                                  255,
1031     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1032     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1033     &custom_element.drop_delay_fixed,
1034     NULL,                               "drop delay", NULL
1035   },
1036   {
1037     -1,                                 ED_SETTINGS_YPOS(8),
1038     0,                                  255,
1039     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1040     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1041     &custom_element.drop_delay_random,
1042     NULL,                               "+random", NULL
1043   },
1044
1045   /* ---------- element settings: configure 2 (custom elements) ------------ */
1046
1047   {
1048     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1049     0,                                  999,
1050     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1051     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1052     &custom_element.move_delay_fixed,
1053     NULL,                               "move delay", NULL
1054   },
1055   {
1056     -1,                                 ED_SETTINGS_YPOS(5),
1057     0,                                  999,
1058     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1059     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1060     &custom_element.move_delay_random,
1061     NULL,                               "+random", NULL
1062   },
1063   {
1064     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1065     0,                                  255,
1066     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1067     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1068     &custom_element.explosion_delay,
1069     NULL,                               "explosion delay", NULL
1070   },
1071   {
1072     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1073     0,                                  255,
1074     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1075     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1076     &custom_element.ignition_delay,
1077     NULL,                               "ignition delay", "(by fire)"
1078   },
1079
1080   /* ---------- element settings: configure (group elements) --------------- */
1081
1082   {
1083     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1084     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1085     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1086     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1087     &group_element_info.num_elements,
1088     NULL,                               NULL, "number of elements in group"
1089   },
1090
1091   /* ---------- element settings: advanced (custom elements) --------------- */
1092
1093   {
1094     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(2),
1095     0,                                  999,
1096     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1097     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1098     &custom_element_change.delay_fixed,
1099     NULL,                               "delay", NULL,
1100   },
1101   {
1102     -1,                                 ED_SETTINGS_YPOS(2),
1103     0,                                  999,
1104     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1105     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1106     &custom_element_change.delay_random,
1107     NULL,                               "+random", NULL
1108   },
1109   {
1110     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
1111     0,                                  100,
1112     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1113     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1114     &custom_element_change.random_percentage,
1115     NULL,                               "use random replace:", "%"
1116   },
1117 };
1118
1119 static struct
1120 {
1121   int x, y;
1122   int gadget_id;
1123   int size;
1124   char *value;
1125   char *text_above, *infotext;
1126 } textinput_info[ED_NUM_TEXTINPUT] =
1127 {
1128   {
1129     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
1130     GADGET_ID_LEVEL_NAME,
1131     MAX_LEVEL_NAME_LEN,
1132     level.name,
1133     "Title:", "Title"
1134   },
1135   {
1136     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1137     GADGET_ID_LEVEL_AUTHOR,
1138     MAX_LEVEL_AUTHOR_LEN,
1139     level.author,
1140     "Author:", "Author"
1141   },
1142   {
1143     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1144     GADGET_ID_ELEMENT_NAME,
1145     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1146     custom_element.description,
1147     NULL, "Element name"
1148   }
1149 };
1150
1151 static struct
1152 {
1153   int x, y;
1154   int gadget_id;
1155   int xsize, ysize;
1156   char *value;
1157   char *text_above, *infotext;
1158 } textarea_info[ED_NUM_TEXTAREAS] =
1159 {
1160   {
1161     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1162     GADGET_ID_ENVELOPE_INFO,
1163     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1164     NULL,
1165     "Envelope Info:", "Envelope Info"
1166   }
1167 };
1168
1169 static struct ValueTextInfo options_time_or_steps[] =
1170 {
1171   { 0,                          "seconds"                       },
1172   { 1,                          "steps"                         },
1173
1174   { -1,                         NULL                            }
1175 };
1176
1177 static struct ValueTextInfo options_access_type[] =
1178 {
1179   { EP_WALKABLE,                "walkable"                      },
1180   { EP_PASSABLE,                "passable"                      },
1181
1182   { -1,                         NULL                            }
1183 };
1184
1185 static struct ValueTextInfo options_access_layer[] =
1186 {
1187   { EP_ACCESSIBLE_OVER,         "over"                          },
1188   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1189   { EP_ACCESSIBLE_UNDER,        "under"                         },
1190
1191   { -1,                         NULL                            }
1192 };
1193
1194 static struct ValueTextInfo options_access_protected[] =
1195 {
1196   { 0,                          "unprotected"                   },
1197   { 1,                          "protected"                     },
1198
1199   { -1,                         NULL                            }
1200 };
1201
1202 static struct ValueTextInfo options_access_direction[] =
1203 {
1204   { MV_LEFT,                    "left"                          },
1205   { MV_RIGHT,                   "right"                         },
1206   { MV_UP,                      "up"                            },
1207   { MV_DOWN,                    "down"                          },
1208   { MV_LEFT  | MV_UP,           "left + up"                     },
1209   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1210   { MV_RIGHT | MV_UP,           "right + up"                    },
1211   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1212   { MV_HORIZONTAL,              "horizontal"                    },
1213   { MV_VERTICAL,                "vertical"                      },
1214   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1215   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1216   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1217   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1218   { MV_ALL_DIRECTIONS,          "all directions"                },
1219
1220   { -1,                         NULL                            }
1221 };
1222
1223 static struct ValueTextInfo options_walk_to_action[] =
1224 {
1225   { EP_DIGGABLE,                "diggable"                      },
1226   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1227   { EP_DROPPABLE,               "collectible & droppable"       },
1228   { EP_THROWABLE,               "collectible & throwable"       },
1229   { EP_PUSHABLE,                "pushable"                      },
1230
1231   { -1,                         NULL                            }
1232 };
1233
1234 static struct ValueTextInfo options_move_pattern[] =
1235 {
1236   { MV_LEFT,                    "left"                          },
1237   { MV_RIGHT,                   "right"                         },
1238   { MV_UP,                      "up"                            },
1239   { MV_DOWN,                    "down"                          },
1240   { MV_HORIZONTAL,              "horizontal"                    },
1241   { MV_VERTICAL,                "vertical"                      },
1242   { MV_ALL_DIRECTIONS,          "all directions"                },
1243   { MV_TOWARDS_PLAYER,          "towards player"                },
1244   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1245   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1246   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1247   { MV_TURNING_LEFT,            "turning left"                  },
1248   { MV_TURNING_RIGHT,           "turning right"                 },
1249   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1250   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1251   { MV_TURNING_RANDOM,          "turning random"                },
1252   { MV_MAZE_RUNNER,             "maze runner style"             },
1253   { MV_MAZE_HUNTER,             "maze hunter style"             },
1254   { MV_WHEN_PUSHED,             "when pushed"                   },
1255   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1256
1257   { -1,                         NULL                            }
1258 };
1259
1260 static struct ValueTextInfo options_move_direction[] =
1261 {
1262   { MV_START_AUTOMATIC,         "automatic"                     },
1263   { MV_START_LEFT,              "left"                          },
1264   { MV_START_RIGHT,             "right"                         },
1265   { MV_START_UP,                "up"                            },
1266   { MV_START_DOWN,              "down"                          },
1267   { MV_START_RANDOM,            "random"                        },
1268   { MV_START_PREVIOUS,          "previous"                      },
1269
1270   { -1,                         NULL                            }
1271 };
1272
1273 static struct ValueTextInfo options_move_stepsize[] =
1274 {
1275   { 1,                          "very slow"                     },
1276   { 2,                          "slow"                          },
1277   { 4,                          "normal"                        },
1278   { 8,                          "fast"                          },
1279   { 16,                         "very fast"                     },
1280 #if 1
1281   { 32,                         "even faster"                   },
1282 #endif
1283
1284   { -1,                         NULL                            }
1285 };
1286
1287 static struct ValueTextInfo options_move_leave_type[] =
1288 {
1289   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1290   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1291
1292   { -1,                         NULL                            }
1293 };
1294
1295 static struct ValueTextInfo options_smash_targets[] =
1296 {
1297   { EP_CAN_SMASH_PLAYER,        "player"                        },
1298 #if 0
1299   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1300 #endif
1301   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1302
1303   { -1,                         NULL                            }
1304 };
1305
1306 static struct ValueTextInfo options_slippery_type[] =
1307 {
1308   { SLIPPERY_ANY_RANDOM,        "random"                        },
1309   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1310   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1311   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1312   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1313
1314   { -1,                         NULL                            }
1315 };
1316
1317 static struct ValueTextInfo options_deadliness[] =
1318 {
1319   { EP_DONT_RUN_INTO,           "running into"                  },
1320   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1321   { EP_DONT_TOUCH,              "touching"                      },
1322
1323   { -1,                         NULL                            }
1324 };
1325
1326 static struct ValueTextInfo options_explosion_type[] =
1327 {
1328   { EXPLODES_3X3,               "3x3"                           },
1329   { EXPLODES_CROSS,             "3+3"                           },
1330   { EXPLODES_1X1,               "1x1"                           },
1331 #if 0
1332   { EP_INDESTRUCTIBLE,          "indestructible"                },
1333 #endif
1334
1335   { -1,                         NULL                            }
1336 };
1337
1338 static struct ValueTextInfo options_time_units[] =
1339 {
1340   { 1,                          "frames"                        },
1341   { FRAMES_PER_SECOND,          "seconds"                       },
1342
1343   { -1,                         NULL                            }
1344 };
1345
1346 static struct ValueTextInfo options_change_direct_action[] =
1347 {
1348   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1349   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1350   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1351   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1352   { CE_LEFT_BY_PLAYER,          "left by player"                },
1353   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1354   { CE_SWITCHED,                "switched"                      },
1355 #if 1
1356   { CE_HITTING_SOMETHING,       "hitting something"             },
1357   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1358 #else
1359   { CE_HITTING_SOMETHING,       "collision"                     },
1360 #endif
1361
1362 #if 0
1363   { CE_BLOCKED,                 "blocked"                       },
1364 #endif
1365
1366   { CE_IMPACT,                  "impact (on something)"         },
1367   { CE_SMASHED,                 "smashed (from above)"          },
1368
1369   { -1,                         NULL                            }
1370 };
1371
1372 static struct ValueTextInfo options_change_other_action[] =
1373 {
1374   { CE_OTHER_GETS_TOUCHED,      "player touches"                },
1375   { CE_OTHER_GETS_PRESSED,      "player presses"                },
1376   { CE_OTHER_GETS_PUSHED,       "player pushes"                 },
1377   { CE_OTHER_GETS_ENTERED,      "player enters"                 },
1378   { CE_OTHER_GETS_LEFT,         "player leaves"                 },
1379   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1380   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1381   { CE_OTHER_GETS_DROPPED,      "player drops/throws"           },
1382   { CE_OTHER_IS_TOUCHING,       "touching"                      },
1383 #if 1
1384   { CE_OTHER_IS_HITTING,        "hitting"                       },
1385   { CE_OTHER_GETS_HIT,          "hit by"                        },
1386 #endif
1387   { CE_OTHER_IS_SWITCHING,      "switch of"                     },
1388   { CE_OTHER_IS_CHANGING,       "change by page of"             },
1389   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1390
1391   { -1,                         NULL                            }
1392 };
1393
1394 static struct ValueTextInfo options_change_trigger_side[] =
1395 {
1396   { CH_SIDE_LEFT,               "left"                          },
1397   { CH_SIDE_RIGHT,              "right"                         },
1398   { CH_SIDE_TOP,                "top"                           },
1399   { CH_SIDE_BOTTOM,             "bottom"                        },
1400   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1401   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1402   { CH_SIDE_ANY,                "any"                           },
1403
1404   { -1,                         NULL                            }
1405 };
1406
1407 static struct ValueTextInfo options_change_trigger_player[] =
1408 {
1409   { CH_PLAYER_1,                "1"                             },
1410   { CH_PLAYER_2,                "2"                             },
1411   { CH_PLAYER_3,                "3"                             },
1412   { CH_PLAYER_4,                "4"                             },
1413   { CH_PLAYER_ANY,              "any"                           },
1414
1415   { -1,                         NULL                            }
1416 };
1417
1418 static struct ValueTextInfo options_change_trigger_page[] =
1419 {
1420   { (1 << 0),                   "1"                             },
1421   { (1 << 1),                   "2"                             },
1422   { (1 << 2),                   "3"                             },
1423   { (1 << 3),                   "4"                             },
1424   { (1 << 4),                   "5"                             },
1425   { (1 << 5),                   "6"                             },
1426   { (1 << 6),                   "7"                             },
1427   { (1 << 7),                   "8"                             },
1428   { (1 << 8),                   "9"                             },
1429   { (1 << 9),                   "10"                            },
1430   { (1 << 10),                  "11"                            },
1431   { (1 << 11),                  "12"                            },
1432   { (1 << 12),                  "13"                            },
1433   { (1 << 13),                  "14"                            },
1434   { (1 << 14),                  "15"                            },
1435   { (1 << 15),                  "16"                            },
1436   { (1 << 16),                  "17"                            },
1437   { (1 << 17),                  "18"                            },
1438   { (1 << 18),                  "19"                            },
1439   { (1 << 19),                  "20"                            },
1440   { (1 << 20),                  "21"                            },
1441   { (1 << 21),                  "22"                            },
1442   { (1 << 22),                  "23"                            },
1443   { (1 << 23),                  "24"                            },
1444   { (1 << 24),                  "25"                            },
1445   { (1 << 25),                  "26"                            },
1446   { (1 << 26),                  "27"                            },
1447   { (1 << 27),                  "28"                            },
1448   { (1 << 28),                  "29"                            },
1449   { (1 << 29),                  "30"                            },
1450   { (1 << 30),                  "31"                            },
1451   { (1 << 31),                  "32"                            },
1452   { CH_PAGE_ANY,                "any"                           },
1453
1454   { -1,                         NULL                            }
1455 };
1456
1457 static struct ValueTextInfo options_change_replace_when[] =
1458 {
1459   { CP_WHEN_EMPTY,              "empty"                         },
1460   { CP_WHEN_WALKABLE,           "walkable"                      },
1461   { CP_WHEN_DIGGABLE,           "diggable"                      },
1462   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1463   { CP_WHEN_REMOVABLE,          "removable"                     },
1464   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1465
1466   { -1,                         NULL                            }
1467 };
1468
1469 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1470 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1471 {
1472   { -1,                         NULL                            }
1473 };
1474
1475 static struct ValueTextInfo options_group_choice_mode[] =
1476 {
1477   { ANIM_RANDOM,                "random"                        },
1478   { ANIM_LOOP,                  "loop"                          },
1479   { ANIM_LINEAR,                "linear"                        },
1480   { ANIM_PINGPONG,              "pingpong"                      },
1481   { ANIM_PINGPONG2,             "pingpong 2"                    },
1482
1483   { -1,                         NULL                            }
1484 };
1485
1486 static struct
1487 {
1488   int x, y;
1489   int gadget_id;
1490   int gadget_id_align;
1491   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1492   struct ValueTextInfo *options;
1493   int *value;
1494   char *text_left, *text_right, *infotext;
1495 } selectbox_info[ED_NUM_SELECTBOX] =
1496 {
1497   /* ---------- level and editor settings ---------------------------------- */
1498
1499   {
1500     -1,                                 ED_COUNTER_YPOS(4),
1501     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
1502     -1,
1503     options_time_or_steps,
1504     &level.use_step_counter,
1505     NULL, "(0 => no limit)",            "time or step limit"
1506   },
1507
1508   /* ---------- element settings: configure 1 (custom elements) ----------- */
1509
1510   {
1511     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1512     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1513     -1,
1514     options_access_type,
1515     &custom_element.access_type,
1516     NULL, NULL,                         "type of access to this field"
1517   },
1518   {
1519     -1,                                 ED_SETTINGS_YPOS(3),
1520     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1521     -1,
1522     options_access_layer,
1523     &custom_element.access_layer,
1524     NULL, NULL,                         "layer of access for this field"
1525   },
1526   {
1527     -1,                                 ED_SETTINGS_YPOS(3),
1528     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
1529     -1,
1530     options_access_protected,
1531     &custom_element.access_protected,
1532     NULL, NULL,                         "protected access for this field"
1533   },
1534   {
1535     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
1536     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
1537     -1,
1538     options_access_direction,
1539     &custom_element.access_direction,
1540     "from", NULL,                       "access direction for this field"
1541   },
1542   {
1543     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1544     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1545     -1,
1546     options_walk_to_action,
1547     &custom_element.walk_to_action,
1548     NULL, NULL,                         "diggable/collectible/pushable"
1549   },
1550
1551   /* ---------- element settings: configure 2 (custom elements) ----------- */
1552
1553   {
1554     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1555     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1556     -1,
1557     options_move_pattern,
1558     &custom_element.move_pattern,
1559     "can move", NULL,                   "element move pattern"
1560   },
1561   {
1562     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1563     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1564     -1,
1565     options_move_direction,
1566     &custom_element.move_direction_initial,
1567     "starts moving", NULL,              "initial element move direction"
1568   },
1569   {
1570     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
1571     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1572     -1,
1573     options_move_stepsize,
1574     &custom_element.move_stepsize,
1575     "move/fall speed", NULL,            "speed of element movement"
1576   },
1577   {
1578     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1579     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
1580     -1,
1581     options_move_leave_type,
1582     &custom_element.move_leave_type,
1583     "can dig:    can", ":",             "leave behind or change element"
1584   },
1585   {
1586     -1,                                 ED_SETTINGS_YPOS(7),
1587     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1588     -1,
1589     options_smash_targets,
1590     &custom_element.smash_targets,
1591     "can smash", NULL,                  "elements that can be smashed"
1592   },
1593   {
1594     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1595     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1596     -1,
1597     options_slippery_type,
1598     &custom_element.slippery_type,
1599     "slippery", NULL,                   "where other elements fall down"
1600   },
1601   {
1602     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1603     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1604     -1,
1605     options_deadliness,
1606     &custom_element.deadliness,
1607     "deadly when", NULL,                "deadliness of element"
1608   },
1609   {
1610     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1611     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
1612     -1,
1613     options_explosion_type,
1614     &custom_element.explosion_type,
1615     "can explode", NULL,                "explosion type"
1616   },
1617
1618   /* ---------- element settings: advanced (custom elements) --------------- */
1619
1620   {
1621     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
1622     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1623     -1,
1624     options_time_units,
1625     &custom_element_change.delay_frames,
1626     "delay time given in", NULL,        "delay time units for change"
1627   },
1628   {
1629     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1630     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1631     -1,
1632     options_change_direct_action,
1633     &custom_element_change.direct_action,
1634     NULL, NULL,                         "type of direct action"
1635   },
1636   {
1637     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1638     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1639     -1,
1640     options_change_other_action,
1641     &custom_element_change.other_action,
1642     NULL, "element:",                   "type of other element action"
1643   },
1644   {
1645     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1646     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
1647     -1,
1648     options_change_trigger_side,
1649     &custom_element_change.trigger_side,
1650     "at", "side",                       "element side that causes change"
1651   },
1652   {
1653     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1654     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
1655     -1,
1656     options_change_trigger_player,
1657     &custom_element_change.trigger_player,
1658     "player:", " ",                     "player that causes change"
1659   },
1660   {
1661     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1662     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
1663     -1,
1664     options_change_trigger_page,
1665     &custom_element_change.trigger_page,
1666     "page:", NULL,                      "change page that causes change"
1667   },
1668   {
1669     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1670     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
1671     -1,
1672     options_change_replace_when,
1673     &custom_element_change.replace_when,
1674     "replace when", NULL,               "which elements can be replaced"
1675   },
1676   {
1677     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1678     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1679     3,
1680     options_change_page,
1681     &custom_element.current_change_page,
1682     NULL, NULL,                         "element change page"
1683   },
1684
1685   /* ---------- element settings: configure (group elements) --------------- */
1686
1687   {
1688     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1689     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
1690     -1,
1691     options_group_choice_mode,
1692     &group_element_info.choice_mode,
1693     "choice type:", NULL,               "type of group element choice"
1694   },
1695 };
1696
1697 static struct
1698 {
1699   int x, y;
1700   int gadget_id;
1701   int gadget_id_align;
1702   int size;
1703   char *text;
1704   char *text_left, *text_right, *infotext;
1705 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1706 {
1707 #if 1
1708   {
1709     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1710     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1711     8,                                  "Info",
1712     NULL, NULL,                         "Show information about element"
1713   },
1714   {
1715     ED_SETTINGS_XPOS(0) + 124,          ED_COUNTER_YPOS(1),
1716     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1717     8,                                  "Config",
1718     NULL, NULL,                         "Configure element properties"
1719   },
1720   {
1721     ED_SETTINGS_XPOS(0) + 124,          ED_COUNTER_YPOS(1),
1722     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
1723     8,                                  "Config 1",
1724     NULL, NULL,                         "Configure custom element properties"
1725   },
1726   {
1727     ED_SETTINGS_XPOS(0) + 248,          ED_COUNTER_YPOS(1),
1728     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
1729     8,                                  "Config 2",
1730     NULL, NULL,                         "Configure custom element properties"
1731   },
1732   {
1733     ED_SETTINGS_XPOS(0) + 372,          ED_COUNTER_YPOS(1),
1734     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
1735     8,                                  "Change",
1736     NULL, NULL,                         "Custom element change configuration"
1737   },
1738 #else
1739   {
1740     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1741     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1742     11,                                 "Information",
1743     NULL, NULL,                         "Show information about element"
1744   },
1745   {
1746     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1747     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1748     11,                                 "Configure",
1749     NULL, NULL,                         "Configure element properties"
1750   },
1751   {
1752     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1753     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
1754     11,                                 "Advanced",
1755     NULL, NULL,                         "Advanced element configuration"
1756   },
1757 #endif
1758   {
1759     -1,                                 ED_SETTINGS_YPOS(2),
1760     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1761     -1,                                 "Save",
1762     " ", "As Template",                 "Save current settings as new template"
1763   },
1764   {
1765     -1,                                 ED_SETTINGS_YPOS(14),
1766     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
1767     -1,                                 "New",
1768     NULL, NULL,                         "Add new change page"
1769   },
1770   {
1771     -1,                                 ED_SETTINGS_YPOS(14),
1772     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1773     -1,                                 "Delete",
1774     NULL, NULL,                         "Delete current change page"
1775   },
1776 };
1777
1778 static struct
1779 {
1780   int gd_x, gd_y;
1781   int x, y;
1782   int width, height;
1783   int gadget_id;
1784   int gadget_id_align;
1785   char *text_left, *text_right, *infotext;
1786 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1787 {
1788   {
1789     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1790     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
1791     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1792     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1793     NULL, NULL,                         "select previous change page"
1794   },
1795   {
1796     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1797     -1,                                 ED_SETTINGS_YPOS(14),
1798     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1799     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1800     NULL, "change page",                "select next change page"
1801   },
1802   {
1803     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
1804     -1,                                 ED_SETTINGS_YPOS(14),
1805     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1806     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
1807     " ", NULL,                          "copy settings from this change page"
1808   },
1809   {
1810     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
1811     -1,                                 ED_SETTINGS_YPOS(14),
1812     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1813     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
1814     NULL, NULL,                         "paste settings to this change page"
1815   },
1816 };
1817
1818 static struct
1819 {
1820   int gd_x, gd_y;
1821   int x, y;
1822   int gadget_id;
1823   char *infotext;
1824 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1825 {
1826   {
1827     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1828     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1829     GADGET_ID_SCROLL_UP,
1830     "scroll level editing area up"
1831   },
1832   {
1833     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1834     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1835     GADGET_ID_SCROLL_DOWN,
1836     "scroll level editing area down"
1837   },
1838   {
1839     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1840     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1841     GADGET_ID_SCROLL_LEFT,
1842     "scroll level editing area left"
1843   },
1844   {
1845     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1846     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1847     GADGET_ID_SCROLL_RIGHT,
1848     "scroll level editing area right"
1849   },
1850   {
1851     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1852     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1853     GADGET_ID_SCROLL_LIST_UP,
1854     "scroll element list up ('Page Up')"
1855   },
1856   {
1857     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1858     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1859     GADGET_ID_SCROLL_LIST_DOWN,
1860     "scroll element list down ('Page Down')"
1861   },
1862 };
1863
1864 static struct
1865 {
1866   int gd_x, gd_y;
1867   int x, y;
1868   int width, height;
1869   int type;
1870   int gadget_id;
1871   char *infotext;
1872 } scrollbar_info[ED_NUM_SCROLLBARS] =
1873 {
1874   {
1875     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1876     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1877     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1878     GD_TYPE_SCROLLBAR_HORIZONTAL,
1879     GADGET_ID_SCROLL_HORIZONTAL,
1880     "scroll level editing area horizontally"
1881   },
1882   {
1883     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1884     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1885     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1886     GD_TYPE_SCROLLBAR_VERTICAL,
1887     GADGET_ID_SCROLL_VERTICAL,
1888     "scroll level editing area vertically"
1889   },
1890   {
1891     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1892     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1893     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1894     GD_TYPE_SCROLLBAR_VERTICAL,
1895     GADGET_ID_SCROLL_LIST_VERTICAL,
1896     "scroll element list vertically"
1897   }
1898 };
1899
1900 static struct
1901 {
1902   int x, y;
1903   int gadget_id;
1904   int gadget_id_align;
1905   int radio_button_nr;
1906   int *value;
1907   int checked_value;
1908   char *text_left, *text_right, *infotext;
1909 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1910 {
1911   {
1912     -1,                                 ED_COUNTER2_YPOS(8),
1913     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1914     RADIO_NR_RANDOM_ELEMENTS,
1915     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1916     " ", "percentage",                  "use percentage for random elements"
1917   },
1918   {
1919     -1,                                 ED_COUNTER2_YPOS(8),
1920     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1921     RADIO_NR_RANDOM_ELEMENTS,
1922     &random_placement_method,           RANDOM_USE_QUANTITY,
1923     " ", "quantity",                    "use quantity for random elements"
1924   }
1925 };
1926
1927 static struct
1928 {
1929   int x, y;
1930   int gadget_id;
1931   int gadget_id_align;
1932   boolean *value;
1933   char *text_left, *text_right, *infotext;
1934 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1935 {
1936   /* ---------- level and editor settings ---------------------------------- */
1937
1938   {
1939     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1940     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1941     &level.double_speed,
1942     NULL, "double speed movement",      "set movement speed of player"
1943   },
1944   {
1945     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1946     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1947     &level.initial_gravity,
1948     " ", "gravity",                     "set level gravity"
1949   },
1950   {
1951     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1952     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1953     &random_placement_background_restricted,
1954     NULL,
1955     "restrict random placement to:",    "set random placement restriction"
1956   },
1957
1958   /* ---------- element settings: configure (various elements) ------------- */
1959
1960   {
1961     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
1962     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1963     &stick_element_properties_window,
1964     NULL,
1965     "stick this screen to edit content","stick this screen to edit content"
1966   },
1967   {
1968     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1969     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1970     &level.em_slippery_gems,
1971     NULL,
1972     "slip down from certain flat walls","use EM style slipping behaviour"
1973   },
1974   {
1975     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1976     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
1977     &level.use_spring_bug,
1978     NULL,
1979     "use spring pushing bug",           "use odd spring pushing behaviour"
1980   },
1981   {
1982     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
1983     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
1984     &level.grow_into_diggable,
1985     NULL,
1986     "can grow into anything diggable",  "grow into more than just sand"
1987   },
1988   {
1989     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1990     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
1991     &level.block_last_field,
1992     NULL,
1993     "block last field when moving",     "player blocks last field when moving"
1994   },
1995   {
1996     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1997     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
1998     &level.sp_block_last_field,
1999     NULL,
2000     "block last field when moving",     "player blocks last field when moving"
2001   },
2002   {
2003     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
2004     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2005     &level.instant_relocation,
2006     NULL,
2007     "no scrolling when relocating",     "player gets relocated without delay"
2008   },
2009   {
2010     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
2011     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2012     &level.can_pass_to_walkable,
2013     NULL,
2014     "can pass to walkable element",     "player can pass to empty or walkable"
2015   },
2016   {
2017     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
2018     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2019     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2020     NULL,
2021     "can fall into acid (with gravity)","player can fall into acid pool"
2022   },
2023   {
2024     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
2025     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2026     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2027     NULL,
2028     "can move into acid",               "element can move into acid pool"
2029   },
2030   {
2031     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2032     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2033     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2034     NULL,
2035     "deadly when colliding with",       "element is deadly when hitting player"
2036   },
2037
2038   /* ---------- element settings: configure 1 (custom elements) ----------- */
2039
2040   {
2041     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2042     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2043     &custom_element.use_gfx_element,
2044 #if 0
2045     NULL, "use graphic/sound of element:", "use existing graphic and sound"
2046 #else
2047     NULL, "use graphic of element:",    "use existing element graphic"
2048 #endif
2049   },
2050   {
2051     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
2052     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2053     &level.use_custom_template,
2054     NULL, "use template",               "use template for custom properties"
2055   },
2056   {
2057     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
2058     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2059     &custom_element_properties[EP_ACCESSIBLE],
2060     NULL, NULL,                         "player can walk to or pass this field"
2061   },
2062   {
2063     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
2064     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2065     &custom_element_properties[EP_GRAVITY_REACHABLE],
2066     NULL, "reachable despite gravity",  "player can walk/dig despite gravity"
2067   },
2068   {
2069     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
2070     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2071     &custom_element_properties[EP_WALK_TO_OBJECT],
2072     NULL, NULL,                         "player can dig/collect/push element"
2073   },
2074   {
2075     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
2076     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2077     &custom_element_properties[EP_INDESTRUCTIBLE],
2078     NULL, "indestructible",             "element is indestructible"
2079   },
2080
2081   /* ---------- element settings: configure 2 (custom elements) ----------- */
2082
2083   {
2084     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2085     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2086     &custom_element_properties[EP_CAN_MOVE],
2087     NULL, NULL,                         "element can move with some pattern"
2088   },
2089   {
2090     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(7),
2091     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2092     &custom_element_properties[EP_CAN_FALL],
2093     NULL, "can fall",                   "element can fall down"
2094   },
2095   {
2096     -1,                                 ED_SETTINGS_YPOS(7),
2097     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2098     &custom_element_properties[EP_CAN_SMASH],
2099     " ", NULL,                          "element can smash other elements"
2100   },
2101   {
2102     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(8),
2103     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2104     &custom_element_properties[EP_SLIPPERY],
2105     NULL, NULL,                         "other elements can fall down from it"
2106   },
2107   {
2108     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
2109     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2110     &custom_element_properties[EP_DEADLY],
2111     NULL, NULL,                         "element can kill the player"
2112   },
2113   {
2114     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
2115     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2116     &custom_element_properties[EP_CAN_EXPLODE],
2117     NULL, NULL,                         "element can explode"
2118   },
2119   {
2120     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
2121     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2122     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2123     NULL, "by fire",                    "element can explode by fire/explosion"
2124   },
2125   {
2126     -1,                                 ED_SETTINGS_YPOS(11),
2127     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2128     &custom_element_properties[EP_EXPLODES_SMASHED],
2129     " ", "smashed",                     "element can explode when smashed"
2130   },
2131   {
2132     -1,                                 ED_SETTINGS_YPOS(11),
2133     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2134     &custom_element_properties[EP_EXPLODES_IMPACT],
2135     " ", "impact",                      "element can explode on impact"
2136   },
2137
2138   /* ---------- element settings: advanced (custom elements) --------------- */
2139
2140   {
2141     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
2142     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2143     &custom_element_change.can_change,
2144     NULL, "element changes to:",        "element can change to other element"
2145   },
2146   {
2147     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
2148     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2149     &custom_element_change_events[CE_DELAY],
2150     NULL, NULL,                         "element changes after delay"
2151   },
2152   {
2153     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
2154     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2155     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2156     NULL, NULL,                         "element changes by direct action"
2157   },
2158   {
2159     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
2160     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2161     &custom_element_change_events[CE_BY_OTHER_ACTION],
2162     NULL, NULL,                         "element changes by other element"
2163   },
2164   {
2165     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
2166     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2167     &custom_element_change.explode,
2168     NULL, "explode instead of change",  "element explodes instead of change"
2169   },
2170   {
2171     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
2172     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2173     &custom_element_change.use_target_content,
2174     NULL, "use extended change target:","element changes to more elements"
2175   },
2176   {
2177     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
2178     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2179     &custom_element_change.only_if_complete,
2180     NULL, "replace all or nothing",     "only replace when all can be changed"
2181   },
2182   {
2183     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
2184     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2185     &custom_element_change.use_random_replace,
2186     NULL, NULL,                         "use percentage for random replace"
2187   },
2188 };
2189
2190 static struct
2191 {
2192   int x, y;
2193   int area_xsize, area_ysize;
2194   int gadget_id;
2195   int gadget_id_align;
2196   char *text_left, *text_right, *text_below;
2197 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2198 {
2199   /* ---------- level playfield content ------------------------------------ */
2200
2201   {
2202     0, 0,
2203     MAX_ED_FIELDX, MAX_ED_FIELDY,
2204     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
2205     NULL, NULL,                         NULL
2206   },
2207
2208   /* ---------- yam yam content -------------------------------------------- */
2209
2210   {
2211     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
2212     3, 3,
2213     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
2214     NULL, NULL,                         "1"
2215   },
2216   {
2217     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
2218     3, 3,
2219     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
2220     NULL, NULL,                         "2"
2221   },
2222   {
2223     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
2224     3, 3,
2225     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
2226     NULL, NULL,                         "3"
2227   },
2228   {
2229     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
2230     3, 3,
2231     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
2232     NULL, NULL,                         "4"
2233   },
2234   {
2235     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
2236     3, 3,
2237     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
2238     NULL, NULL,                         "5"
2239   },
2240   {
2241     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
2242     3, 3,
2243     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
2244     NULL, NULL,                         "6"
2245   },
2246   {
2247     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
2248     3, 3,
2249     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
2250     NULL, NULL,                         "7"
2251   },
2252   {
2253     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
2254     3, 3,
2255     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
2256     NULL, NULL,                         "8"
2257   },
2258
2259   /* ---------- amoeba content --------------------------------------------- */
2260
2261   {
2262     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
2263     1, 1,
2264     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
2265     "content:", NULL,                   NULL
2266   },
2267
2268   /* ---------- element settings: configure 1 (custom elements) ----------- */
2269
2270   /* ---------- custom graphic --------------------------------------------- */
2271
2272   {
2273     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
2274     1, 1,
2275     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
2276     NULL, NULL,                         NULL
2277   },
2278
2279   /* ---------- element settings: configure 2 (custom elements) ----------- */
2280
2281   /* ---------- custom content (when exploding) ---------------------------- */
2282
2283   {
2284     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
2285     3, 3,
2286     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
2287     "content:", NULL,                   NULL
2288   },
2289
2290   /* ---------- custom enter and leave element (when moving) --------------- */
2291
2292   {
2293     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
2294     1, 1,
2295     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
2296     "can dig:", " ",                    NULL
2297   },
2298   {
2299     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
2300     1, 1,
2301     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
2302     NULL, NULL,                         NULL
2303   },
2304
2305   /* ---------- element settings: advanced (custom elements) --------------- */
2306
2307   /* ---------- custom change target --------------------------------------- */
2308
2309   {
2310     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
2311     1, 1,
2312     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
2313     NULL, "after/when:",                NULL
2314   },
2315
2316   /* ---------- custom change content (extended change target) ------------- */
2317
2318   {
2319     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
2320     3, 3,
2321     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
2322     NULL, NULL,                         NULL
2323   },
2324
2325   /* ---------- custom change trigger (element causing change) ------------- */
2326
2327   {
2328     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
2329     1, 1,
2330     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
2331     NULL, NULL,                         NULL
2332   },
2333
2334   /* ---------- group element content -------------------------------------- */
2335
2336   {
2337     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
2338     MAX_ELEMENTS_IN_GROUP, 1,
2339     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
2340     "content:", NULL,                   NULL
2341   },
2342
2343   /* ---------- random background (for random painting) -------------------- */
2344
2345   {
2346     -1,                                 ED_SETTINGS_YPOS(14),
2347     1, 1,
2348     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
2349     NULL, NULL,                         NULL
2350   },
2351 };
2352
2353
2354 /*
2355   -----------------------------------------------------------------------------
2356   some internally used variables
2357   -----------------------------------------------------------------------------
2358 */
2359
2360 /* actual size of level editor drawing area */
2361 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
2362
2363 /* actual position of level editor drawing area in level playfield */
2364 static int level_xpos = -1, level_ypos = -1;
2365
2366 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
2367
2368 /* drawing elements on the three mouse buttons */
2369 static int new_element1 = EL_WALL;
2370 static int new_element2 = EL_EMPTY;
2371 static int new_element3 = EL_SAND;
2372
2373 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
2374                                 (button) == 2 ? new_element2 : \
2375                                 (button) == 3 ? new_element3 : EL_EMPTY)
2376 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
2377
2378 /* forward declaration for internal use */
2379 static void ModifyEditorCounter(int, int);
2380 static void ModifyEditorCounterLimits(int, int, int);
2381 static void ModifyEditorSelectbox(int, int);
2382 static void ModifyEditorDrawingArea(int, int, int);
2383 static void ModifyEditorElementList();
2384 static void RedrawDrawingElements();
2385 static void DrawDrawingWindow();
2386 static void DrawLevelInfoWindow();
2387 static void DrawPropertiesWindow();
2388 static void UpdateCustomElementGraphicGadgets();
2389 static boolean checkPropertiesConfig(int);
2390 static void CopyLevelToUndoBuffer(int);
2391 static void HandleDrawingAreas(struct GadgetInfo *);
2392 static void HandleCounterButtons(struct GadgetInfo *);
2393 static void HandleTextInputGadgets(struct GadgetInfo *);
2394 static void HandleTextAreaGadgets(struct GadgetInfo *);
2395 static void HandleSelectboxGadgets(struct GadgetInfo *);
2396 static void HandleTextbuttonGadgets(struct GadgetInfo *);
2397 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
2398 static void HandleRadiobuttons(struct GadgetInfo *);
2399 static void HandleCheckbuttons(struct GadgetInfo *);
2400 static void HandleControlButtons(struct GadgetInfo *);
2401 static void HandleDrawingAreaInfo(struct GadgetInfo *);
2402
2403 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
2404 static int right_gadget_border[NUM_EDITOR_GADGETS];
2405
2406 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
2407 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
2408 static boolean draw_with_brush = FALSE;
2409 static int properties_element = 0;
2410
2411 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
2412 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
2413 static int undo_buffer_position = 0;
2414 static int undo_buffer_steps = 0;
2415
2416 static int edit_mode;
2417 static int edit_mode_properties;
2418
2419 static int element_shift = 0;
2420
2421 static int editor_hl_boulderdash[] =
2422 {
2423   EL_CHAR('B'),
2424   EL_CHAR('O'),
2425   EL_CHAR('U'),
2426   EL_CHAR('L'),
2427
2428   EL_CHAR('-'),
2429   EL_CHAR('D'),
2430   EL_CHAR('E'),
2431   EL_CHAR('R'),
2432
2433   EL_CHAR('D'),
2434   EL_CHAR('A'),
2435   EL_CHAR('S'),
2436   EL_CHAR('H'),
2437 };
2438
2439 static int editor_el_boulderdash[] =
2440 {
2441   EL_PLAYER_1,
2442   EL_EMPTY,
2443   EL_SAND,
2444   EL_STEELWALL,
2445
2446   EL_BD_WALL,
2447   EL_BD_MAGIC_WALL,
2448   EL_EXIT_CLOSED,
2449   EL_EXIT_OPEN,
2450
2451   EL_BD_DIAMOND,
2452   EL_BD_BUTTERFLY_UP,
2453   EL_BD_FIREFLY_UP,
2454   EL_BD_ROCK,
2455
2456   EL_BD_BUTTERFLY_LEFT,
2457   EL_BD_FIREFLY_LEFT,
2458   EL_BD_BUTTERFLY_RIGHT,
2459   EL_BD_FIREFLY_RIGHT,
2460
2461   EL_BD_AMOEBA,
2462   EL_BD_BUTTERFLY_DOWN,
2463   EL_BD_FIREFLY_DOWN,
2464   EL_EMPTY,
2465 };
2466 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
2467 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
2468 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
2469 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
2470
2471 static int editor_hl_emerald_mine[] =
2472 {
2473   EL_CHAR('E'),
2474   EL_CHAR('M'),
2475   EL_CHAR('E'),
2476   EL_CHAR('-'),
2477
2478   EL_CHAR('R'),
2479   EL_CHAR('A'),
2480   EL_CHAR('L'),
2481   EL_CHAR('D'),
2482
2483   EL_CHAR('M'),
2484   EL_CHAR('I'),
2485   EL_CHAR('N'),
2486   EL_CHAR('E'),
2487 };
2488
2489 static int editor_el_emerald_mine[] =
2490 {
2491   EL_PLAYER_1,
2492   EL_PLAYER_2,
2493   EL_PLAYER_3,
2494   EL_PLAYER_4,
2495
2496   EL_PLAYER_1,
2497   EL_EMPTY,
2498   EL_SAND,
2499   EL_ROCK,
2500
2501   EL_STEELWALL,
2502   EL_WALL,
2503   EL_WALL_SLIPPERY,
2504   EL_MAGIC_WALL,
2505
2506   EL_EMERALD,
2507   EL_DIAMOND,
2508   EL_NUT,
2509   EL_BOMB,
2510
2511   EL_WALL_EMERALD,
2512   EL_WALL_DIAMOND,
2513   EL_QUICKSAND_EMPTY,
2514   EL_QUICKSAND_FULL,
2515
2516   EL_DYNAMITE,
2517   EL_DYNAMITE_ACTIVE,
2518   EL_EXIT_CLOSED,
2519   EL_EXIT_OPEN,
2520
2521   EL_YAMYAM,
2522   EL_BUG_UP,
2523   EL_SPACESHIP_UP,
2524   EL_ROBOT,
2525
2526   EL_BUG_LEFT,
2527   EL_SPACESHIP_LEFT,
2528   EL_BUG_RIGHT,
2529   EL_SPACESHIP_RIGHT,
2530
2531   EL_ROBOT_WHEEL,
2532   EL_BUG_DOWN,
2533   EL_SPACESHIP_DOWN,
2534   EL_INVISIBLE_WALL,
2535
2536   EL_ACID_POOL_TOPLEFT,
2537   EL_ACID,
2538   EL_ACID_POOL_TOPRIGHT,
2539   EL_EMPTY,
2540
2541   EL_ACID_POOL_BOTTOMLEFT,
2542   EL_ACID_POOL_BOTTOM,
2543   EL_ACID_POOL_BOTTOMRIGHT,
2544   EL_EMPTY,
2545
2546   EL_AMOEBA_DROP,
2547   EL_AMOEBA_DEAD,
2548   EL_AMOEBA_WET,
2549   EL_AMOEBA_DRY,
2550
2551 #if 1
2552   EL_EM_KEY_1,
2553   EL_EM_KEY_2,
2554   EL_EM_KEY_3,
2555   EL_EM_KEY_4,
2556 #else
2557   EL_EM_KEY_1_FILE,
2558   EL_EM_KEY_2_FILE,
2559   EL_EM_KEY_3_FILE,
2560   EL_EM_KEY_4_FILE,
2561 #endif
2562
2563   EL_EM_GATE_1,
2564   EL_EM_GATE_2,
2565   EL_EM_GATE_3,
2566   EL_EM_GATE_4,
2567
2568   EL_EM_GATE_1_GRAY,
2569   EL_EM_GATE_2_GRAY,
2570   EL_EM_GATE_3_GRAY,
2571   EL_EM_GATE_4_GRAY,
2572 };
2573 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
2574 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
2575 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
2576 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
2577
2578 static int editor_hl_more[] =
2579 {
2580   EL_CHAR('M'),
2581   EL_CHAR('O'),
2582   EL_CHAR('R'),
2583   EL_CHAR('E'),
2584 };
2585
2586 static int editor_el_more[] =
2587 {
2588   EL_KEY_1,
2589   EL_KEY_2,
2590   EL_KEY_3,
2591   EL_KEY_4,
2592
2593   EL_GATE_1,
2594   EL_GATE_2,
2595   EL_GATE_3,
2596   EL_GATE_4,
2597
2598   EL_GATE_1_GRAY,
2599   EL_GATE_2_GRAY,
2600   EL_GATE_3_GRAY,
2601   EL_GATE_4_GRAY,
2602
2603   EL_ARROW_LEFT,
2604   EL_ARROW_RIGHT,
2605   EL_ARROW_UP,
2606   EL_ARROW_DOWN,
2607
2608   EL_AMOEBA_FULL,
2609   EL_EMERALD_YELLOW,
2610   EL_EMERALD_RED,
2611   EL_EMERALD_PURPLE,
2612
2613   EL_WALL_BD_DIAMOND,
2614   EL_WALL_EMERALD_YELLOW,
2615   EL_WALL_EMERALD_RED,
2616   EL_WALL_EMERALD_PURPLE,
2617
2618   EL_GAME_OF_LIFE,
2619   EL_PACMAN_UP,
2620   EL_TIME_ORB_FULL,
2621   EL_TIME_ORB_EMPTY,
2622
2623   EL_PACMAN_LEFT,
2624   EL_DARK_YAMYAM,
2625   EL_PACMAN_RIGHT,
2626   EL_EXPANDABLE_WALL,
2627
2628   EL_BIOMAZE,
2629   EL_PACMAN_DOWN,
2630   EL_LAMP,
2631   EL_LAMP_ACTIVE,
2632
2633   EL_DYNABOMB_INCREASE_NUMBER,
2634   EL_DYNABOMB_INCREASE_SIZE,
2635   EL_DYNABOMB_INCREASE_POWER,
2636   EL_STONEBLOCK,
2637
2638   EL_MOLE,
2639   EL_PENGUIN,
2640   EL_PIG,
2641   EL_DRAGON,
2642
2643   EL_BUG,
2644   EL_MOLE_UP,
2645   EL_BD_BUTTERFLY,
2646   EL_BD_FIREFLY,
2647
2648   EL_MOLE_LEFT,
2649   EL_EMPTY,
2650   EL_MOLE_RIGHT,
2651   EL_PACMAN,
2652
2653   EL_SPACESHIP,
2654   EL_MOLE_DOWN,
2655   EL_BALLOON,
2656   EL_BALLOON_SWITCH_ANY,
2657
2658   EL_BALLOON_SWITCH_LEFT,
2659   EL_BALLOON_SWITCH_RIGHT,
2660   EL_BALLOON_SWITCH_UP,
2661   EL_BALLOON_SWITCH_DOWN,
2662
2663   EL_SATELLITE,
2664   EL_EXPANDABLE_WALL_HORIZONTAL,
2665   EL_EXPANDABLE_WALL_VERTICAL,
2666   EL_EXPANDABLE_WALL_ANY,
2667
2668   EL_INVISIBLE_STEELWALL,
2669   EL_INVISIBLE_WALL,
2670   EL_SPEED_PILL,
2671   EL_BLACK_ORB,
2672
2673   EL_EMC_STEELWALL_1,
2674   EL_EMC_WALL_1,
2675   EL_EMC_WALL_2,
2676   EL_EMC_WALL_3,
2677
2678   EL_EMC_WALL_4,
2679   EL_EMC_WALL_5,
2680   EL_EMC_WALL_6,
2681   EL_EMC_WALL_7,
2682 };
2683 static int *editor_hl_more_ptr = editor_hl_more;
2684 static int *editor_el_more_ptr = editor_el_more;
2685 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2686 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2687
2688 static int editor_hl_sokoban[] =
2689 {
2690   EL_CHAR('S'),
2691   EL_CHAR('O'),
2692   EL_CHAR('K'),
2693   EL_CHAR('O'),
2694
2695   EL_CHAR('-'),
2696   EL_CHAR('B'),
2697   EL_CHAR('A'),
2698   EL_CHAR('N'),
2699 };
2700
2701 static int editor_el_sokoban[] =
2702 {
2703   EL_SOKOBAN_OBJECT,
2704   EL_SOKOBAN_FIELD_EMPTY,
2705   EL_SOKOBAN_FIELD_FULL,
2706   EL_SOKOBAN_FIELD_PLAYER,
2707 };
2708 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
2709 static int *editor_el_sokoban_ptr = editor_el_sokoban;
2710 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2711 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2712
2713 static int editor_hl_supaplex[] =
2714 {
2715   EL_CHAR('S'),
2716   EL_CHAR('U'),
2717   EL_CHAR('P'),
2718   EL_CHAR('A'),
2719
2720   EL_CHAR('P'),
2721   EL_CHAR('L'),
2722   EL_CHAR('E'),
2723   EL_CHAR('X'),
2724 };
2725
2726 static int editor_el_supaplex[] =
2727 {
2728 #if 1
2729   EL_EMPTY,
2730 #else
2731   EL_SP_EMPTY,
2732 #endif
2733   EL_SP_ZONK,
2734   EL_SP_BASE,
2735   EL_SP_MURPHY,
2736
2737   EL_SP_INFOTRON,
2738   EL_SP_CHIP_SINGLE,
2739   EL_SP_HARDWARE_GRAY,
2740   EL_SP_EXIT_CLOSED,
2741
2742   EL_SP_DISK_ORANGE,
2743   EL_SP_PORT_RIGHT,
2744   EL_SP_PORT_DOWN,
2745   EL_SP_PORT_LEFT,
2746
2747   EL_SP_PORT_UP,
2748   EL_SP_GRAVITY_PORT_RIGHT,
2749   EL_SP_GRAVITY_PORT_DOWN,
2750   EL_SP_GRAVITY_PORT_LEFT,
2751
2752   EL_SP_GRAVITY_PORT_UP,
2753   EL_SP_SNIKSNAK,
2754   EL_SP_DISK_YELLOW,
2755   EL_SP_TERMINAL,
2756
2757   EL_SP_DISK_RED,
2758   EL_SP_PORT_VERTICAL,
2759   EL_SP_PORT_HORIZONTAL,
2760   EL_SP_PORT_ANY,
2761
2762   EL_SP_ELECTRON,
2763   EL_SP_BUGGY_BASE,
2764   EL_SP_CHIP_LEFT,
2765   EL_SP_CHIP_RIGHT,
2766
2767   EL_SP_HARDWARE_BASE_1,
2768   EL_SP_HARDWARE_GREEN,
2769   EL_SP_HARDWARE_BLUE,
2770   EL_SP_HARDWARE_RED,
2771
2772   EL_SP_HARDWARE_YELLOW,
2773   EL_SP_HARDWARE_BASE_2,
2774   EL_SP_HARDWARE_BASE_3,
2775   EL_SP_HARDWARE_BASE_4,
2776
2777   EL_SP_HARDWARE_BASE_5,
2778   EL_SP_HARDWARE_BASE_6,
2779   EL_SP_CHIP_TOP,
2780   EL_SP_CHIP_BOTTOM,
2781 };
2782 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
2783 static int *editor_el_supaplex_ptr = editor_el_supaplex;
2784 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2785 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2786
2787 static int editor_hl_diamond_caves[] =
2788 {
2789   EL_CHAR('D'),
2790   EL_CHAR('I'),
2791   EL_CHAR('A'),
2792   EL_CHAR('-'),
2793
2794   EL_CHAR('M'),
2795   EL_CHAR('O'),
2796   EL_CHAR('N'),
2797   EL_CHAR('D'),
2798
2799   EL_CHAR('C'),
2800   EL_CHAR('A'),
2801   EL_CHAR('V'),
2802   EL_CHAR('E'),
2803
2804   EL_CHAR('S'),
2805   EL_CHAR(' '),
2806   EL_CHAR('I'),
2807   EL_CHAR('I'),
2808 };
2809
2810 static int editor_el_diamond_caves[] =
2811 {
2812   EL_PEARL,
2813   EL_CRYSTAL,
2814   EL_WALL_PEARL,
2815   EL_WALL_CRYSTAL,
2816
2817   EL_CONVEYOR_BELT_1_LEFT,
2818   EL_CONVEYOR_BELT_1_MIDDLE,
2819   EL_CONVEYOR_BELT_1_RIGHT,
2820   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2821
2822   EL_CONVEYOR_BELT_2_LEFT,
2823   EL_CONVEYOR_BELT_2_MIDDLE,
2824   EL_CONVEYOR_BELT_2_RIGHT,
2825   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2826
2827   EL_CONVEYOR_BELT_3_LEFT,
2828   EL_CONVEYOR_BELT_3_MIDDLE,
2829   EL_CONVEYOR_BELT_3_RIGHT,
2830   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2831
2832   EL_CONVEYOR_BELT_4_LEFT,
2833   EL_CONVEYOR_BELT_4_MIDDLE,
2834   EL_CONVEYOR_BELT_4_RIGHT,
2835   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2836
2837   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2838   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2839   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2840   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2841
2842   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2843   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2844   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2845   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2846
2847   EL_SWITCHGATE_OPEN,
2848   EL_SWITCHGATE_CLOSED,
2849   EL_SWITCHGATE_SWITCH_UP,
2850   EL_EMPTY,
2851
2852   EL_ENVELOPE_1,
2853   EL_ENVELOPE_2,
2854   EL_ENVELOPE_3,
2855   EL_ENVELOPE_4,
2856
2857   EL_TIMEGATE_CLOSED,
2858   EL_TIMEGATE_OPEN,
2859   EL_TIMEGATE_SWITCH,
2860   EL_EMPTY,
2861
2862   EL_LANDMINE,
2863   EL_INVISIBLE_SAND,
2864   EL_STEELWALL_SLIPPERY,
2865   EL_EMPTY,
2866
2867   EL_SIGN_EXCLAMATION,
2868   EL_SIGN_STOP,
2869   EL_LIGHT_SWITCH,
2870   EL_LIGHT_SWITCH_ACTIVE,
2871
2872   EL_SHIELD_NORMAL,
2873   EL_SHIELD_DEADLY,
2874   EL_EXTRA_TIME,
2875   EL_EMPTY,
2876 };
2877 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
2878 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
2879 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2880 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2881
2882 static int editor_hl_dx_boulderdash[] =
2883 {
2884   EL_CHAR('D'),
2885   EL_CHAR('X'),
2886   EL_CHAR('-'),
2887   EL_CHAR(' '),
2888
2889   EL_CHAR('B'),
2890   EL_CHAR('O'),
2891   EL_CHAR('U'),
2892   EL_CHAR('L'),
2893
2894   EL_CHAR('-'),
2895   EL_CHAR('D'),
2896   EL_CHAR('E'),
2897   EL_CHAR('R'),
2898
2899   EL_CHAR('D'),
2900   EL_CHAR('A'),
2901   EL_CHAR('S'),
2902   EL_CHAR('H'),
2903 };
2904
2905 static int editor_el_dx_boulderdash[] =
2906 {
2907   EL_SPRING,
2908   EL_TUBE_RIGHT_DOWN,
2909   EL_TUBE_HORIZONTAL_DOWN,
2910   EL_TUBE_LEFT_DOWN,
2911
2912   EL_TUBE_HORIZONTAL,
2913   EL_TUBE_VERTICAL_RIGHT,
2914   EL_TUBE_ANY,
2915   EL_TUBE_VERTICAL_LEFT,
2916
2917   EL_TUBE_VERTICAL,
2918   EL_TUBE_RIGHT_UP,
2919   EL_TUBE_HORIZONTAL_UP,
2920   EL_TUBE_LEFT_UP,
2921
2922   EL_TRAP,
2923   EL_DX_SUPABOMB,
2924   EL_EMPTY,
2925   EL_EMPTY
2926 };
2927 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
2928 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
2929 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2930 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2931
2932 static int editor_hl_chars[] =
2933 {
2934   EL_CHAR('T'),
2935   EL_CHAR('E'),
2936   EL_CHAR('X'),
2937   EL_CHAR('T'),
2938 };
2939
2940 static int editor_el_chars[] =
2941 {
2942   EL_CHAR(' '),
2943   EL_CHAR('!'),
2944   EL_CHAR('"'),
2945   EL_CHAR('#'),
2946
2947   EL_CHAR('$'),
2948   EL_CHAR('%'),
2949   EL_CHAR('&'),
2950   EL_CHAR('\''),
2951
2952   EL_CHAR('('),
2953   EL_CHAR(')'),
2954   EL_CHAR('*'),
2955   EL_CHAR('+'),
2956
2957   EL_CHAR(','),
2958   EL_CHAR('-'),
2959   EL_CHAR('.'),
2960   EL_CHAR('/'),
2961
2962   EL_CHAR('0'),
2963   EL_CHAR('1'),
2964   EL_CHAR('2'),
2965   EL_CHAR('3'),
2966
2967   EL_CHAR('4'),
2968   EL_CHAR('5'),
2969   EL_CHAR('6'),
2970   EL_CHAR('7'),
2971
2972   EL_CHAR('8'),
2973   EL_CHAR('9'),
2974   EL_CHAR(':'),
2975   EL_CHAR(';'),
2976
2977   EL_CHAR('<'),
2978   EL_CHAR('='),
2979   EL_CHAR('>'),
2980   EL_CHAR('?'),
2981
2982   EL_CHAR('@'),
2983   EL_CHAR('A'),
2984   EL_CHAR('B'),
2985   EL_CHAR('C'),
2986
2987   EL_CHAR('D'),
2988   EL_CHAR('E'),
2989   EL_CHAR('F'),
2990   EL_CHAR('G'),
2991
2992   EL_CHAR('H'),
2993   EL_CHAR('I'),
2994   EL_CHAR('J'),
2995   EL_CHAR('K'),
2996
2997   EL_CHAR('L'),
2998   EL_CHAR('M'),
2999   EL_CHAR('N'),
3000   EL_CHAR('O'),
3001
3002   EL_CHAR('P'),
3003   EL_CHAR('Q'),
3004   EL_CHAR('R'),
3005   EL_CHAR('S'),
3006
3007   EL_CHAR('T'),
3008   EL_CHAR('U'),
3009   EL_CHAR('V'),
3010   EL_CHAR('W'),
3011
3012   EL_CHAR('X'),
3013   EL_CHAR('Y'),
3014   EL_CHAR('Z'),
3015   EL_CHAR('['),
3016
3017   EL_CHAR('\\'),
3018   EL_CHAR(']'),
3019   EL_CHAR('^'),
3020   EL_CHAR('_'),
3021
3022   EL_CHAR('©'),
3023   EL_CHAR('Ä'),
3024   EL_CHAR('Ö'),
3025   EL_CHAR('Ü'),
3026
3027   EL_CHAR('°'),
3028   EL_CHAR('®'),
3029   EL_CHAR(FONT_ASCII_CURSOR),
3030   EL_CHAR(' ')
3031 };
3032 static int *editor_hl_chars_ptr = editor_hl_chars;
3033 static int *editor_el_chars_ptr = editor_el_chars;
3034 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
3035 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
3036
3037 static int editor_hl_custom[] =
3038 {
3039   EL_CHAR('C'),
3040   EL_CHAR('U'),
3041   EL_CHAR('S'),
3042   EL_CHAR('-'),
3043
3044   EL_CHAR('T'),
3045   EL_CHAR('O'),
3046   EL_CHAR('M'),
3047   EL_CHAR(' '),
3048
3049   EL_CHAR('E'),
3050   EL_CHAR('L'),
3051   EL_CHAR('E'),
3052   EL_CHAR('M'),
3053
3054   EL_CHAR('E'),
3055   EL_CHAR('N'),
3056   EL_CHAR('T'),
3057   EL_CHAR('S'),
3058 };
3059
3060 static int editor_el_custom[] =
3061 {
3062   EL_CUSTOM_START + 0,
3063   EL_CUSTOM_START + 1,
3064   EL_CUSTOM_START + 2,
3065   EL_CUSTOM_START + 3,
3066
3067   EL_CUSTOM_START + 4,
3068   EL_CUSTOM_START + 5,
3069   EL_CUSTOM_START + 6,
3070   EL_CUSTOM_START + 7,
3071
3072   EL_CUSTOM_START + 8,
3073   EL_CUSTOM_START + 9,
3074   EL_CUSTOM_START + 10,
3075   EL_CUSTOM_START + 11,
3076
3077   EL_CUSTOM_START + 12,
3078   EL_CUSTOM_START + 13,
3079   EL_CUSTOM_START + 14,
3080   EL_CUSTOM_START + 15,
3081
3082   EL_CUSTOM_START + 16,
3083   EL_CUSTOM_START + 17,
3084   EL_CUSTOM_START + 18,
3085   EL_CUSTOM_START + 19,
3086
3087   EL_CUSTOM_START + 20,
3088   EL_CUSTOM_START + 21,
3089   EL_CUSTOM_START + 22,
3090   EL_CUSTOM_START + 23,
3091
3092   EL_CUSTOM_START + 24,
3093   EL_CUSTOM_START + 25,
3094   EL_CUSTOM_START + 26,
3095   EL_CUSTOM_START + 27,
3096
3097   EL_CUSTOM_START + 28,
3098   EL_CUSTOM_START + 29,
3099   EL_CUSTOM_START + 30,
3100   EL_CUSTOM_START + 31,
3101
3102   EL_CUSTOM_START + 32,
3103   EL_CUSTOM_START + 33,
3104   EL_CUSTOM_START + 34,
3105   EL_CUSTOM_START + 35,
3106
3107   EL_CUSTOM_START + 36,
3108   EL_CUSTOM_START + 37,
3109   EL_CUSTOM_START + 38,
3110   EL_CUSTOM_START + 39,
3111
3112   EL_CUSTOM_START + 40,
3113   EL_CUSTOM_START + 41,
3114   EL_CUSTOM_START + 42,
3115   EL_CUSTOM_START + 43,
3116
3117   EL_CUSTOM_START + 44,
3118   EL_CUSTOM_START + 45,
3119   EL_CUSTOM_START + 46,
3120   EL_CUSTOM_START + 47,
3121
3122   EL_CUSTOM_START + 48,
3123   EL_CUSTOM_START + 49,
3124   EL_CUSTOM_START + 50,
3125   EL_CUSTOM_START + 51,
3126
3127   EL_CUSTOM_START + 52,
3128   EL_CUSTOM_START + 53,
3129   EL_CUSTOM_START + 54,
3130   EL_CUSTOM_START + 55,
3131
3132   EL_CUSTOM_START + 56,
3133   EL_CUSTOM_START + 57,
3134   EL_CUSTOM_START + 58,
3135   EL_CUSTOM_START + 59,
3136
3137   EL_CUSTOM_START + 60,
3138   EL_CUSTOM_START + 61,
3139   EL_CUSTOM_START + 62,
3140   EL_CUSTOM_START + 63,
3141
3142   EL_CUSTOM_START + 64,
3143   EL_CUSTOM_START + 65,
3144   EL_CUSTOM_START + 66,
3145   EL_CUSTOM_START + 67,
3146
3147   EL_CUSTOM_START + 68,
3148   EL_CUSTOM_START + 69,
3149   EL_CUSTOM_START + 70,
3150   EL_CUSTOM_START + 71,
3151
3152   EL_CUSTOM_START + 72,
3153   EL_CUSTOM_START + 73,
3154   EL_CUSTOM_START + 74,
3155   EL_CUSTOM_START + 75,
3156
3157   EL_CUSTOM_START + 76,
3158   EL_CUSTOM_START + 77,
3159   EL_CUSTOM_START + 78,
3160   EL_CUSTOM_START + 79,
3161
3162   EL_CUSTOM_START + 80,
3163   EL_CUSTOM_START + 81,
3164   EL_CUSTOM_START + 82,
3165   EL_CUSTOM_START + 83,
3166
3167   EL_CUSTOM_START + 84,
3168   EL_CUSTOM_START + 85,
3169   EL_CUSTOM_START + 86,
3170   EL_CUSTOM_START + 87,
3171
3172   EL_CUSTOM_START + 88,
3173   EL_CUSTOM_START + 89,
3174   EL_CUSTOM_START + 90,
3175   EL_CUSTOM_START + 91,
3176
3177   EL_CUSTOM_START + 92,
3178   EL_CUSTOM_START + 93,
3179   EL_CUSTOM_START + 94,
3180   EL_CUSTOM_START + 95,
3181
3182   EL_CUSTOM_START + 96,
3183   EL_CUSTOM_START + 97,
3184   EL_CUSTOM_START + 98,
3185   EL_CUSTOM_START + 99,
3186
3187   EL_CUSTOM_START + 100,
3188   EL_CUSTOM_START + 101,
3189   EL_CUSTOM_START + 102,
3190   EL_CUSTOM_START + 103,
3191
3192   EL_CUSTOM_START + 104,
3193   EL_CUSTOM_START + 105,
3194   EL_CUSTOM_START + 106,
3195   EL_CUSTOM_START + 107,
3196
3197   EL_CUSTOM_START + 108,
3198   EL_CUSTOM_START + 109,
3199   EL_CUSTOM_START + 110,
3200   EL_CUSTOM_START + 111,
3201
3202   EL_CUSTOM_START + 112,
3203   EL_CUSTOM_START + 113,
3204   EL_CUSTOM_START + 114,
3205   EL_CUSTOM_START + 115,
3206
3207   EL_CUSTOM_START + 116,
3208   EL_CUSTOM_START + 117,
3209   EL_CUSTOM_START + 118,
3210   EL_CUSTOM_START + 119,
3211
3212   EL_CUSTOM_START + 120,
3213   EL_CUSTOM_START + 121,
3214   EL_CUSTOM_START + 122,
3215   EL_CUSTOM_START + 123,
3216
3217   EL_CUSTOM_START + 124,
3218   EL_CUSTOM_START + 125,
3219   EL_CUSTOM_START + 126,
3220   EL_CUSTOM_START + 127
3221 };
3222 static int *editor_hl_custom_ptr = editor_hl_custom;
3223 static int *editor_el_custom_ptr = editor_el_custom;
3224 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
3225 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
3226
3227 static int editor_hl_custom_more[] =
3228 {
3229 };
3230
3231 static int editor_el_custom_more[] =
3232 {
3233   EL_CUSTOM_START + 128,
3234   EL_CUSTOM_START + 129,
3235   EL_CUSTOM_START + 130,
3236   EL_CUSTOM_START + 131,
3237
3238   EL_CUSTOM_START + 132,
3239   EL_CUSTOM_START + 133,
3240   EL_CUSTOM_START + 134,
3241   EL_CUSTOM_START + 135,
3242
3243   EL_CUSTOM_START + 136,
3244   EL_CUSTOM_START + 137,
3245   EL_CUSTOM_START + 138,
3246   EL_CUSTOM_START + 139,
3247
3248   EL_CUSTOM_START + 140,
3249   EL_CUSTOM_START + 141,
3250   EL_CUSTOM_START + 142,
3251   EL_CUSTOM_START + 143,
3252
3253   EL_CUSTOM_START + 144,
3254   EL_CUSTOM_START + 145,
3255   EL_CUSTOM_START + 146,
3256   EL_CUSTOM_START + 147,
3257
3258   EL_CUSTOM_START + 148,
3259   EL_CUSTOM_START + 149,
3260   EL_CUSTOM_START + 150,
3261   EL_CUSTOM_START + 151,
3262
3263   EL_CUSTOM_START + 152,
3264   EL_CUSTOM_START + 153,
3265   EL_CUSTOM_START + 154,
3266   EL_CUSTOM_START + 155,
3267
3268   EL_CUSTOM_START + 156,
3269   EL_CUSTOM_START + 157,
3270   EL_CUSTOM_START + 158,
3271   EL_CUSTOM_START + 159,
3272
3273   EL_CUSTOM_START + 160,
3274   EL_CUSTOM_START + 161,
3275   EL_CUSTOM_START + 162,
3276   EL_CUSTOM_START + 163,
3277
3278   EL_CUSTOM_START + 164,
3279   EL_CUSTOM_START + 165,
3280   EL_CUSTOM_START + 166,
3281   EL_CUSTOM_START + 167,
3282
3283   EL_CUSTOM_START + 168,
3284   EL_CUSTOM_START + 169,
3285   EL_CUSTOM_START + 170,
3286   EL_CUSTOM_START + 171,
3287
3288   EL_CUSTOM_START + 172,
3289   EL_CUSTOM_START + 173,
3290   EL_CUSTOM_START + 174,
3291   EL_CUSTOM_START + 175,
3292
3293   EL_CUSTOM_START + 176,
3294   EL_CUSTOM_START + 177,
3295   EL_CUSTOM_START + 178,
3296   EL_CUSTOM_START + 179,
3297
3298   EL_CUSTOM_START + 180,
3299   EL_CUSTOM_START + 181,
3300   EL_CUSTOM_START + 182,
3301   EL_CUSTOM_START + 183,
3302
3303   EL_CUSTOM_START + 184,
3304   EL_CUSTOM_START + 185,
3305   EL_CUSTOM_START + 186,
3306   EL_CUSTOM_START + 187,
3307
3308   EL_CUSTOM_START + 188,
3309   EL_CUSTOM_START + 189,
3310   EL_CUSTOM_START + 190,
3311   EL_CUSTOM_START + 191,
3312
3313   EL_CUSTOM_START + 192,
3314   EL_CUSTOM_START + 193,
3315   EL_CUSTOM_START + 194,
3316   EL_CUSTOM_START + 195,
3317
3318   EL_CUSTOM_START + 196,
3319   EL_CUSTOM_START + 197,
3320   EL_CUSTOM_START + 198,
3321   EL_CUSTOM_START + 199,
3322
3323   EL_CUSTOM_START + 200,
3324   EL_CUSTOM_START + 201,
3325   EL_CUSTOM_START + 202,
3326   EL_CUSTOM_START + 203,
3327
3328   EL_CUSTOM_START + 204,
3329   EL_CUSTOM_START + 205,
3330   EL_CUSTOM_START + 206,
3331   EL_CUSTOM_START + 207,
3332
3333   EL_CUSTOM_START + 208,
3334   EL_CUSTOM_START + 209,
3335   EL_CUSTOM_START + 210,
3336   EL_CUSTOM_START + 211,
3337
3338   EL_CUSTOM_START + 212,
3339   EL_CUSTOM_START + 213,
3340   EL_CUSTOM_START + 214,
3341   EL_CUSTOM_START + 215,
3342
3343   EL_CUSTOM_START + 216,
3344   EL_CUSTOM_START + 217,
3345   EL_CUSTOM_START + 218,
3346   EL_CUSTOM_START + 219,
3347
3348   EL_CUSTOM_START + 220,
3349   EL_CUSTOM_START + 221,
3350   EL_CUSTOM_START + 222,
3351   EL_CUSTOM_START + 223,
3352
3353   EL_CUSTOM_START + 224,
3354   EL_CUSTOM_START + 225,
3355   EL_CUSTOM_START + 226,
3356   EL_CUSTOM_START + 227,
3357
3358   EL_CUSTOM_START + 228,
3359   EL_CUSTOM_START + 229,
3360   EL_CUSTOM_START + 230,
3361   EL_CUSTOM_START + 231,
3362
3363   EL_CUSTOM_START + 232,
3364   EL_CUSTOM_START + 233,
3365   EL_CUSTOM_START + 234,
3366   EL_CUSTOM_START + 235,
3367
3368   EL_CUSTOM_START + 236,
3369   EL_CUSTOM_START + 237,
3370   EL_CUSTOM_START + 238,
3371   EL_CUSTOM_START + 239,
3372
3373   EL_CUSTOM_START + 240,
3374   EL_CUSTOM_START + 241,
3375   EL_CUSTOM_START + 242,
3376   EL_CUSTOM_START + 243,
3377
3378   EL_CUSTOM_START + 244,
3379   EL_CUSTOM_START + 245,
3380   EL_CUSTOM_START + 246,
3381   EL_CUSTOM_START + 247,
3382
3383   EL_CUSTOM_START + 248,
3384   EL_CUSTOM_START + 249,
3385   EL_CUSTOM_START + 250,
3386   EL_CUSTOM_START + 251,
3387
3388   EL_CUSTOM_START + 252,
3389   EL_CUSTOM_START + 253,
3390   EL_CUSTOM_START + 254,
3391   EL_CUSTOM_START + 255
3392 };
3393 static int *editor_hl_custom_more_ptr = editor_hl_custom_more;
3394 static int *editor_el_custom_more_ptr = editor_el_custom_more;
3395 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
3396 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
3397
3398 static int editor_hl_custom_special[] =
3399 {
3400 };
3401
3402 static int editor_el_custom_special[] =
3403 {
3404   EL_TRIGGER_ELEMENT,
3405   EL_TRIGGER_PLAYER,
3406   EL_EMPTY,
3407   EL_EMPTY
3408 };
3409 static int *editor_hl_custom_special_ptr = editor_hl_custom_special;
3410 static int *editor_el_custom_special_ptr = editor_el_custom_special;
3411 static int num_editor_hl_custom_special = SIZEOF_ARRAY_INT(editor_hl_custom_special);
3412 static int num_editor_el_custom_special = SIZEOF_ARRAY_INT(editor_el_custom_special);
3413
3414 static int editor_hl_group[] =
3415 {
3416   EL_CHAR('G'),
3417   EL_CHAR('R'),
3418   EL_CHAR('O'),
3419   EL_CHAR('U'),
3420
3421   EL_CHAR('P'),
3422   EL_CHAR(' '),
3423   EL_CHAR(' '),
3424   EL_CHAR(' '),
3425
3426   EL_CHAR('E'),
3427   EL_CHAR('L'),
3428   EL_CHAR('E'),
3429   EL_CHAR('M'),
3430
3431   EL_CHAR('E'),
3432   EL_CHAR('N'),
3433   EL_CHAR('T'),
3434   EL_CHAR('S'),
3435 };
3436
3437 static int editor_el_group[] =
3438 {
3439   EL_GROUP_START + 0,
3440   EL_GROUP_START + 1,
3441   EL_GROUP_START + 2,
3442   EL_GROUP_START + 3,
3443
3444   EL_GROUP_START + 4,
3445   EL_GROUP_START + 5,
3446   EL_GROUP_START + 6,
3447   EL_GROUP_START + 7,
3448
3449   EL_GROUP_START + 8,
3450   EL_GROUP_START + 9,
3451   EL_GROUP_START + 10,
3452   EL_GROUP_START + 11,
3453
3454   EL_GROUP_START + 12,
3455   EL_GROUP_START + 13,
3456   EL_GROUP_START + 14,
3457   EL_GROUP_START + 15
3458 };
3459 static int *editor_hl_group_ptr = editor_hl_group;
3460 static int *editor_el_group_ptr = editor_el_group;
3461 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
3462 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
3463
3464 static int editor_hl_group_more[] =
3465 {
3466 };
3467
3468 static int editor_el_group_more[] =
3469 {
3470   EL_GROUP_START + 16,
3471   EL_GROUP_START + 17,
3472   EL_GROUP_START + 18,
3473   EL_GROUP_START + 19,
3474
3475   EL_GROUP_START + 20,
3476   EL_GROUP_START + 21,
3477   EL_GROUP_START + 22,
3478   EL_GROUP_START + 23,
3479
3480   EL_GROUP_START + 24,
3481   EL_GROUP_START + 25,
3482   EL_GROUP_START + 26,
3483   EL_GROUP_START + 27,
3484
3485   EL_GROUP_START + 28,
3486   EL_GROUP_START + 29,
3487   EL_GROUP_START + 30,
3488   EL_GROUP_START + 31
3489 };
3490 static int *editor_hl_group_more_ptr = editor_hl_group_more;
3491 static int *editor_el_group_more_ptr = editor_el_group_more;
3492 static int num_editor_hl_group_more = SIZEOF_ARRAY_INT(editor_hl_group_more);
3493 static int num_editor_el_group_more = SIZEOF_ARRAY_INT(editor_el_group_more);
3494
3495 static int editor_hl_user_defined[] =
3496 {
3497   EL_CHAR('U'),
3498   EL_CHAR('S'),
3499   EL_CHAR('E'),
3500   EL_CHAR('R'),
3501
3502   EL_CHAR('D'),
3503   EL_CHAR('E'),
3504   EL_CHAR('F'),
3505   EL_CHAR('I'),
3506
3507   EL_CHAR('-'),
3508   EL_CHAR('N'),
3509   EL_CHAR('E'),
3510   EL_CHAR('D'),
3511 };
3512
3513 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
3514 static int *editor_el_user_defined_ptr = NULL;
3515 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
3516 static int num_editor_el_user_defined = 0;
3517
3518 static int editor_hl_empty[] = { };
3519 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
3520
3521 static int *editor_hl_empty_ptr = editor_hl_empty;
3522 static int *editor_el_empty_ptr = editor_el_empty;
3523 static int num_editor_hl_empty = 0;
3524 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
3525
3526 static boolean use_el_empty = FALSE;
3527
3528 static int *editor_elements = NULL;     /* dynamically allocated */
3529 static int num_editor_elements = 0;     /* dynamically determined */
3530
3531 static struct
3532 {
3533   boolean *setup_value;
3534
3535   int **headline_list;
3536   int *headline_list_size;
3537
3538   int **element_list;
3539   int *element_list_size;
3540
3541   boolean last_setup_value;
3542 }
3543 editor_elements_info[] =
3544 {
3545   {
3546     &setup.editor.el_boulderdash,
3547     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
3548     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
3549   },
3550   {
3551     &setup.editor.el_emerald_mine,
3552     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
3553     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
3554   },
3555   {
3556     &setup.editor.el_more,
3557     &editor_hl_more_ptr,                &num_editor_hl_more,
3558     &editor_el_more_ptr,                &num_editor_el_more
3559   },
3560   {
3561     &setup.editor.el_sokoban,
3562     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
3563     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
3564   },
3565   {
3566     &setup.editor.el_supaplex,
3567     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
3568     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
3569   },
3570   {
3571     &setup.editor.el_diamond_caves,
3572     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
3573     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
3574   },
3575   {
3576     &setup.editor.el_dx_boulderdash,
3577     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
3578     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
3579   },
3580   {
3581     &setup.editor.el_chars,
3582     &editor_hl_chars_ptr,               &num_editor_hl_chars,
3583     &editor_el_chars_ptr,               &num_editor_el_chars
3584   },
3585   {
3586     &setup.editor.el_custom,
3587     &editor_hl_custom_ptr,              &num_editor_hl_custom,
3588     &editor_el_custom_ptr,              &num_editor_el_custom
3589   },
3590   {
3591     &setup.editor.el_custom_more,
3592     &editor_hl_custom_more_ptr,         &num_editor_hl_custom_more,
3593     &editor_el_custom_more_ptr,         &num_editor_el_custom_more
3594   },
3595   {
3596     &setup.editor.el_custom,
3597     &editor_hl_custom_special_ptr,      &num_editor_hl_custom_special,
3598     &editor_el_custom_special_ptr,      &num_editor_el_custom_special
3599   },
3600   {
3601     &setup.editor.el_custom,
3602     &editor_hl_group_ptr,               &num_editor_hl_group,
3603     &editor_el_group_ptr,               &num_editor_el_group
3604   },
3605   {
3606     &setup.editor.el_custom_more,
3607     &editor_hl_group_more_ptr,          &num_editor_hl_group_more,
3608     &editor_el_group_more_ptr,          &num_editor_el_group_more
3609   },
3610   {
3611     &setup.editor.el_user_defined,
3612     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
3613     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
3614   },
3615   {
3616     &use_el_empty,
3617     &editor_hl_empty_ptr,               &num_editor_hl_empty,
3618     &editor_el_empty_ptr,               &num_editor_el_empty,
3619   },
3620   {
3621     NULL,
3622     NULL,                               NULL,
3623     NULL,                               NULL
3624   }
3625 };
3626
3627 #if 0
3628
3629 static struct
3630 {
3631   short element;
3632   short element_mapped;
3633 }
3634 forum_sketch_element_mapping[] =
3635 {
3636   { EL_WALL_SLIPPERY,                   EL_WALL                 },
3637   { EL_EXPANDABLE_WALL,                 EL_WALL                 },
3638   { EL_EXPANDABLE_WALL_HORIZONTAL,      EL_WALL                 },
3639   { EL_EXPANDABLE_WALL_VERTICAL,        EL_WALL                 },
3640   { EL_EXPANDABLE_WALL_ANY,             EL_WALL                 },
3641   { EL_WALL_EMERALD,                    EL_WALL                 },
3642   { EL_WALL_DIAMOND,                    EL_WALL                 },
3643   { EL_WALL_BD_DIAMOND,                 EL_WALL                 },
3644   { EL_WALL_EMERALD_YELLOW,             EL_WALL                 },
3645   { EL_WALL_EMERALD_RED,                EL_WALL                 },
3646   { EL_WALL_EMERALD_PURPLE,             EL_WALL                 },
3647   { EL_ACID_POOL_TOPLEFT,               EL_WALL                 },
3648   { EL_ACID_POOL_TOPRIGHT,              EL_WALL                 },
3649   { EL_ACID_POOL_BOTTOMLEFT,            EL_WALL                 },
3650   { EL_ACID_POOL_BOTTOM,                EL_WALL                 },
3651   { EL_ACID_POOL_BOTTOMRIGHT,           EL_WALL                 },
3652   { EL_BD_WALL,                         EL_WALL                 },
3653
3654   { EL_BD_ROCK,                         EL_ROCK                 },
3655
3656   { EL_SP_ZONK,                         EL_ROCK                 },
3657   { EL_SP_BASE,                         EL_SAND                 },
3658   { EL_SP_MURPHY,                       EL_PLAYER_1             },
3659   { EL_SP_INFOTRON,                     EL_EMERALD              },
3660   { EL_SP_HARDWARE_GRAY,                EL_STEELWALL            },
3661   { EL_SP_EXIT_CLOSED,                  EL_EXIT_OPEN            },
3662   { EL_SP_DISK_ORANGE,                  EL_BOMB                 },
3663   { EL_SP_DISK_RED,                     EL_BOMB                 },
3664   { EL_SP_DISK_YELLOW,                  EL_BOMB                 },
3665   { EL_SP_PORT_RIGHT,                   EL_GATE_1_GRAY          },
3666   { EL_SP_PORT_DOWN,                    EL_GATE_1_GRAY          },
3667   { EL_SP_PORT_LEFT,                    EL_GATE_1_GRAY          },
3668   { EL_SP_PORT_UP,                      EL_GATE_1_GRAY          },
3669   { EL_SP_GRAVITY_PORT_RIGHT,           EL_GATE_1_GRAY          },
3670   { EL_SP_GRAVITY_PORT_DOWN,            EL_GATE_1_GRAY          },
3671   { EL_SP_GRAVITY_PORT_LEFT,            EL_GATE_1_GRAY          },
3672   { EL_SP_GRAVITY_PORT_UP,              EL_GATE_1_GRAY          },
3673   { EL_SP_PORT_VERTICAL,                EL_GATE_1_GRAY          },
3674   { EL_SP_PORT_HORIZONTAL,              EL_GATE_1_GRAY          },
3675   { EL_SP_PORT_ANY,                     EL_GATE_1_GRAY          },
3676   { EL_SP_SNIKSNAK,                     EL_BUG                  },
3677   { EL_SP_ELECTRON,                     EL_SPACESHIP            },
3678   { EL_SP_CHIP_SINGLE,                  EL_WALL                 },
3679   { EL_SP_CHIP_LEFT,                    EL_WALL                 },
3680   { EL_SP_CHIP_RIGHT,                   EL_WALL                 },
3681   { EL_SP_CHIP_TOP,                     EL_WALL                 },
3682   { EL_SP_CHIP_BOTTOM,                  EL_WALL                 },
3683   { EL_SP_HARDWARE_BASE_1,              EL_STEELWALL            },
3684   { EL_SP_HARDWARE_GREEN,               EL_STEELWALL            },
3685   { EL_SP_HARDWARE_BLUE,                EL_STEELWALL            },
3686   { EL_SP_HARDWARE_RED,                 EL_STEELWALL            },
3687   { EL_SP_HARDWARE_YELLOW,              EL_STEELWALL            },
3688   { EL_SP_HARDWARE_BASE_2,              EL_STEELWALL            },
3689   { EL_SP_HARDWARE_BASE_3,              EL_STEELWALL            },
3690   { EL_SP_HARDWARE_BASE_3,              EL_STEELWALL            },
3691   { EL_SP_HARDWARE_BASE_4,              EL_STEELWALL            },
3692   { EL_SP_HARDWARE_BASE_5,              EL_STEELWALL            },
3693   { EL_SP_HARDWARE_BASE_6,              EL_STEELWALL            },
3694
3695   { EL_STEELWALL_SLIPPERY,              EL_STEELWALL            },
3696
3697   { EL_EXIT_CLOSED,                     EL_EXIT_OPEN            },
3698
3699   { EL_DIAMOND,                         EL_EMERALD              },
3700   { EL_BD_DIAMOND,                      EL_EMERALD              },
3701   { EL_EMERALD_YELLOW,                  EL_EMERALD              },
3702   { EL_EMERALD_RED,                     EL_EMERALD              },
3703   { EL_EMERALD_PURPLE,                  EL_EMERALD              },
3704
3705   { EL_AMOEBA_DEAD,                     EL_AMOEBA               },
3706   { EL_AMOEBA_DROP,                     EL_AMOEBA               },
3707   { EL_AMOEBA_WET,                      EL_AMOEBA               },
3708   { EL_AMOEBA_DRY,                      EL_AMOEBA               },
3709   { EL_AMOEBA_FULL,                     EL_AMOEBA               },
3710   { EL_BD_AMOEBA,                       EL_AMOEBA               },
3711   { EL_AMOEBA_TO_DIAMOND,               EL_AMOEBA               },
3712
3713   { EL_DYNAMITE_ACTIVE,                 EL_DYNAMITE             },
3714
3715   { EL_GATE_2_GRAY,                     EL_GATE_1_GRAY          },
3716   { EL_GATE_3_GRAY,                     EL_GATE_1_GRAY          },
3717   { EL_GATE_4_GRAY,                     EL_GATE_1_GRAY          },
3718
3719   { EL_EM_KEY_1,                        EL_KEY_1                },
3720   { EL_EM_KEY_2,                        EL_KEY_2                },
3721   { EL_EM_KEY_3,                        EL_KEY_3                },
3722   { EL_EM_KEY_4,                        EL_KEY_4                },
3723
3724   { EL_EM_GATE_1,                       EL_GATE_1               },
3725   { EL_EM_GATE_2,                       EL_GATE_2               },
3726   { EL_EM_GATE_3,                       EL_GATE_3               },
3727   { EL_EM_GATE_4,                       EL_GATE_4               },
3728
3729   { EL_EM_GATE_1_GRAY,                  EL_GATE_1_GRAY          },
3730   { EL_EM_GATE_2_GRAY,                  EL_GATE_1_GRAY          },
3731   { EL_EM_GATE_3_GRAY,                  EL_GATE_1_GRAY          },
3732   { EL_EM_GATE_4_GRAY,                  EL_GATE_1_GRAY          },
3733
3734   { EL_INVISIBLE_SAND,                  EL_EMPTY                },
3735   { EL_INVISIBLE_WALL,                  EL_EMPTY                },
3736   { EL_INVISIBLE_STEELWALL,             EL_EMPTY                },
3737
3738   { EL_PACMAN,                          EL_YAMYAM               },
3739   { EL_DARK_YAMYAM,                     EL_YAMYAM               },
3740
3741   { EL_BD_MAGIC_WALL,                   EL_MAGIC_WALL           },
3742
3743   { EL_DYNABOMB_INCREASE_NUMBER,        EL_BOMB                 },
3744   { EL_DYNABOMB_INCREASE_SIZE,          EL_BOMB                 },
3745   { EL_DYNABOMB_INCREASE_POWER,         EL_BOMB                 },
3746   { EL_BLACK_ORB,                       EL_BOMB                 },
3747   { EL_DX_SUPABOMB,                     EL_BOMB                 },
3748
3749   { EL_SOKOBAN_OBJECT,                  EL_KEY_1                },
3750   { EL_SOKOBAN_FIELD_EMPTY,             EL_GATE_1_GRAY          },
3751   { EL_SOKOBAN_FIELD_FULL,              EL_GATE_1               },
3752   { EL_SOKOBAN_FIELD_PLAYER,            EL_PLAYER_1             },
3753
3754   { EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY         },
3755   { EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY         },
3756   { EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY         },
3757   { EL_BD_BUTTERFLY_DOWN,               EL_BD_BUTTERFLY         },
3758
3759   { EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY           },
3760   { EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY           },
3761   { EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY           },
3762   { EL_BD_FIREFLY_DOWN,                 EL_BD_FIREFLY           },
3763
3764   { EL_PLAYER_2,                        EL_PLAYER_1             },
3765   { EL_PLAYER_3,                        EL_PLAYER_1             },
3766   { EL_PLAYER_4,                        EL_PLAYER_1             },
3767
3768   { EL_BUG_RIGHT,                       EL_BUG                  },
3769   { EL_BUG_UP,                          EL_BUG                  },
3770   { EL_BUG_LEFT,                        EL_BUG                  },
3771   { EL_BUG_DOWN,                        EL_BUG                  },
3772
3773   { EL_SPACESHIP_RIGHT,                 EL_SPACESHIP            },
3774   { EL_SPACESHIP_UP,                    EL_SPACESHIP            },
3775   { EL_SPACESHIP_LEFT,                  EL_SPACESHIP            },
3776   { EL_SPACESHIP_DOWN,                  EL_SPACESHIP            },
3777
3778   { EL_PACMAN_RIGHT,                    EL_YAMYAM               },
3779   { EL_PACMAN_UP,                       EL_YAMYAM               },
3780   { EL_PACMAN_LEFT,                     EL_YAMYAM               },
3781   { EL_PACMAN_DOWN,                     EL_YAMYAM               },
3782
3783   { -1,                                 -1                      }
3784 };
3785
3786 static struct
3787 {
3788   short element;
3789   char *element_string;
3790 }
3791 forum_sketch_element_strings[] =
3792 {
3793   { EL_PLAYER_1,                "p" },
3794   { EL_EMPTY,                   "_" },
3795   { EL_SAND,                    "s" },
3796   { EL_ROCK,                    "b" },
3797   { EL_EMERALD,                 "e" },
3798   { EL_BUG,                     "u" },
3799   { EL_SPACESHIP,               "h" },
3800   { EL_BD_FIREFLY,              "f" },
3801   { EL_BD_BUTTERFLY,            "b" },
3802   { EL_AMOEBA,                  "a" },
3803   { EL_YAMYAM,                  "y" },
3804   { EL_WALL,                    "w" },
3805   { EL_STEELWALL,               "t" },
3806   { EL_MAGIC_WALL,              "m" },
3807   { EL_EXIT_OPEN,               "x" },
3808   { EL_DYNAMITE,                "d" },
3809   { EL_KEY_1,                   "1" },
3810   { EL_KEY_2,                   "2" },
3811   { EL_KEY_3,                   "3" },
3812   { EL_KEY_4,                   "4" },
3813   { EL_GATE_1,                  "5" },
3814   { EL_GATE_2,                  "6" },
3815   { EL_GATE_3,                  "7" },
3816   { EL_GATE_4,                  "8" },
3817   { EL_GATE_1_GRAY,             "9" },
3818   { EL_BOMB,                    "@" },
3819   { EL_ROBOT,                   "r" },
3820   { EL_ROBOT_WHEEL,             "0" },
3821   { EL_NUT,                     "n" },
3822   { EL_CUSTOM_1,                "c" },
3823   { EL_CHAR_QUESTION,           "?" },
3824
3825   { -1,                         NULL }
3826 };
3827
3828 #endif
3829
3830
3831 /*
3832   -----------------------------------------------------------------------------
3833   functions
3834   -----------------------------------------------------------------------------
3835 */
3836
3837 static int getMaxInfoTextLength()
3838 {
3839   return (SXSIZE / getFontWidth(FONT_TEXT_2));
3840 }
3841
3842 static int getTextWidthForGadget(char *text)
3843 {
3844   if (text == NULL)
3845     return 0;
3846
3847   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
3848 }
3849
3850 static int getTextWidthForDrawingArea(char *text)
3851 {
3852   if (text == NULL)
3853     return 0;
3854
3855   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
3856 }
3857
3858 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
3859 {
3860   return (gi->x + gi->width + getTextWidthForGadget(text));
3861 }
3862
3863 static char *getElementInfoText(int element)
3864 {
3865   char *info_text = NULL;
3866
3867   if (element < NUM_FILE_ELEMENTS)
3868   {
3869     if (strlen(element_info[element].description) > 0)
3870       info_text = element_info[element].description;
3871     else if (element_info[element].custom_description != NULL)
3872       info_text = element_info[element].custom_description;
3873     else if (element_info[element].editor_description != NULL)
3874       info_text = element_info[element].editor_description;
3875   }
3876
3877   if (info_text == NULL)
3878     info_text = INFOTEXT_UNKNOWN_ELEMENT;
3879
3880   return info_text;
3881 }
3882
3883 static void ReinitializeElementList()
3884 {
3885   static boolean initialized = FALSE;
3886   int pos = 0;
3887   int i, j;
3888
3889   checked_free(editor_elements);
3890
3891   if (!initialized)
3892   {
3893     /* initialize optional user defined element list */
3894     LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
3895                                      &num_editor_el_user_defined);
3896
3897     /* initialize list of empty elements (used for padding, if needed) */
3898     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3899       editor_el_empty[i] = EL_EMPTY;
3900
3901     /* do some sanity checks for each element from element list */
3902     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3903     {
3904       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3905       {
3906         int element = (*editor_elements_info[i].element_list)[j];
3907
3908         if (element >= NUM_FILE_ELEMENTS)
3909           Error(ERR_WARN, "editor element %d is runtime element", element);
3910
3911         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
3912           Error(ERR_WARN, "no element description for element %d", element);
3913       }
3914     }
3915
3916     initialized = TRUE;
3917   }
3918
3919   num_editor_elements = 0;
3920   use_el_empty = FALSE;
3921
3922   /* determine size of element list */
3923   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3924   {
3925     if (*editor_elements_info[i].setup_value)
3926     {
3927       if (setup.editor.el_headlines)
3928         num_editor_elements += *editor_elements_info[i].headline_list_size;
3929
3930       num_editor_elements += *editor_elements_info[i].element_list_size;
3931     }
3932   }
3933
3934   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3935   {
3936     /* offer at least as many elements as element buttons exist */
3937     use_el_empty = TRUE;
3938     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
3939
3940     num_editor_elements += num_editor_el_empty;
3941   }
3942
3943   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3944
3945   /* fill element list */
3946   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3947   {
3948     if (*editor_elements_info[i].setup_value)
3949     {
3950       if (setup.editor.el_headlines)
3951         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3952           editor_elements[pos++] = (*editor_elements_info[i].headline_list)[j];
3953
3954       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3955         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
3956     }
3957   }
3958
3959   /* correct position of element list scrollbar */
3960   if (element_shift < 0)
3961     element_shift = 0;
3962   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3963     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3964 }
3965
3966 void PrintEditorElementList()
3967 {
3968   boolean *stop = &setup.editor.el_user_defined;
3969   int i, j;
3970
3971   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
3972   {
3973     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3974     {
3975       int element = (*editor_elements_info[i].headline_list)[j];
3976
3977       printf("# %s\n", element_info[element].token_name);
3978     }
3979
3980     if (j > 0)
3981       printf("#\n");
3982
3983     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3984     {
3985       int element = (*editor_elements_info[i].element_list)[j];
3986
3987       printf("# %s\n", element_info[element].token_name);
3988     }
3989
3990     if (j > 0)
3991       printf("#\n");
3992   }
3993 }
3994
3995 static void ReinitializeElementListButtons()
3996 {
3997   static boolean last_setup_value_headlines = FALSE;
3998   static boolean initialization_needed = TRUE;
3999   int i;
4000
4001   if (!initialization_needed)   /* check if editor element setup has changed */
4002   {
4003     if (last_setup_value_headlines != setup.editor.el_headlines)
4004       initialization_needed = TRUE;
4005
4006     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4007       if (editor_elements_info[i].last_setup_value !=
4008           *editor_elements_info[i].setup_value)
4009         initialization_needed = TRUE;
4010   }
4011
4012   if (!initialization_needed)
4013     return;
4014
4015   FreeLevelEditorGadgets();
4016   CreateLevelEditorGadgets();
4017
4018   /* store current setup values for next invocation of this function */
4019   last_setup_value_headlines = setup.editor.el_headlines;
4020   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4021     editor_elements_info[i].last_setup_value =
4022       *editor_elements_info[i].setup_value;
4023
4024   initialization_needed = FALSE;
4025 }
4026
4027 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
4028                               boolean input)
4029 {
4030   int border_graphic =
4031     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
4032   Bitmap *src_bitmap;
4033   int src_x, src_y;
4034   int num_mini_tilex = width  / MINI_TILEX + 1;
4035   int num_mini_tiley = height / MINI_TILEY + 1;
4036   int x, y;
4037
4038   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
4039
4040   for (y = 0; y < num_mini_tiley; y++)
4041     for (x = 0; x < num_mini_tilex; x++)
4042       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
4043                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
4044                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
4045
4046   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
4047 }
4048
4049 static void DrawDrawingArea(int id)
4050 {
4051   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4052   int x, y;
4053
4054   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
4055     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4056                        el2edimg(random_placement_background_element));
4057   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
4058     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
4059   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
4060     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4061                        el2edimg(custom_element.gfx_element));
4062   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
4063     for (y = 0; y < 3; y++)
4064       for (x = 0; x < 3; x++)
4065         DrawMiniGraphicExt(drawto,
4066                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
4067                            el2edimg(custom_element.content[x][y]));
4068   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_ENTER)
4069     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4070                        el2edimg(custom_element.move_enter_element));
4071   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_LEAVE)
4072     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4073                        el2edimg(custom_element.move_leave_element));
4074   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
4075     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4076                        el2edimg(custom_element_change.target_element));
4077   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
4078     for (y = 0; y < 3; y++)
4079       for (x = 0; x < 3; x++)
4080         DrawMiniGraphicExt(drawto,
4081                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
4082                            el2edimg(custom_element_change.target_content[x][y]));
4083   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
4084     DrawMiniGraphicExt(drawto, gi->x, gi->y,
4085                        el2edimg(custom_element_change.trigger_element));
4086   else if (id == ED_DRAWING_ID_GROUP_CONTENT)
4087     for (x = 0; x < group_element_info.num_elements; x++)
4088       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX, gi->y,
4089                          el2edimg(group_element_info.element[x]));
4090   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
4091            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
4092   {
4093     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
4094
4095     for (y = 0; y < 3; y++)
4096       for (x = 0; x < 3; x++)
4097         DrawMiniGraphicExt(drawto,
4098                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
4099                            el2edimg(level.yamyam_content[nr][x][y]));
4100   }
4101 }
4102
4103 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
4104 {
4105   int x,y;
4106   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
4107   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
4108
4109   BlitBitmap(drawto, drawto,
4110              SX + (dx == -1 ? MINI_TILEX : 0),
4111              SY + (dy == -1 ? MINI_TILEY : 0),
4112              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
4113              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
4114              SX + (dx == +1 ? MINI_TILEX : 0),
4115              SY + (dy == +1 ? MINI_TILEY : 0));
4116   if (dx)
4117   {
4118     x = (dx == 1 ? 0 : ed_fieldx - 1);
4119     for (y = 0; y < ed_fieldy; y++)
4120       DrawMiniElementOrWall(x, y, from_x, from_y);
4121   }
4122   else if (dy)
4123   {
4124     y = (dy == 1 ? 0 : ed_fieldy - 1);
4125     for (x = 0; x < ed_fieldx; x++)
4126       DrawMiniElementOrWall(x, y, from_x, from_y);
4127   }
4128
4129   redraw_mask |= REDRAW_FIELD;
4130   BackToFront();
4131 }
4132
4133 static void CreateControlButtons()
4134 {
4135   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4136   struct GadgetInfo *gi;
4137   unsigned long event_mask;
4138   int i;
4139
4140   /* create toolbox buttons */
4141   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
4142   {
4143     int id = i;
4144     int width, height;
4145     int gd_xoffset, gd_yoffset;
4146     int gd_x1, gd_x2, gd_y1, gd_y2;
4147     int button_type;
4148     int radio_button_nr;
4149     boolean checked;
4150
4151     if (id == GADGET_ID_SINGLE_ITEMS ||
4152         id == GADGET_ID_CONNECTED_ITEMS ||
4153         id == GADGET_ID_LINE ||
4154         id == GADGET_ID_ARC ||
4155         id == GADGET_ID_TEXT ||
4156         id == GADGET_ID_RECTANGLE ||
4157         id == GADGET_ID_FILLED_BOX ||
4158         id == GADGET_ID_FLOOD_FILL ||
4159         id == GADGET_ID_GRAB_BRUSH ||
4160         id == GADGET_ID_PICK_ELEMENT ||
4161         id == GADGET_ID_CUSTOM_COPY_FROM ||
4162         id == GADGET_ID_CUSTOM_COPY_TO ||
4163         id == GADGET_ID_CUSTOM_EXCHANGE)
4164     {
4165       button_type = GD_TYPE_RADIO_BUTTON;
4166       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
4167       checked = (id == drawing_function ? TRUE : FALSE);
4168       event_mask = GD_EVENT_PRESSED;
4169     }
4170     else
4171     {
4172       button_type = GD_TYPE_NORMAL_BUTTON;
4173       radio_button_nr = RADIO_NR_NONE;
4174       checked = FALSE;
4175
4176       if (id == GADGET_ID_WRAP_LEFT ||
4177           id == GADGET_ID_WRAP_RIGHT ||
4178           id == GADGET_ID_WRAP_UP ||
4179           id == GADGET_ID_WRAP_DOWN)
4180         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4181       else
4182         event_mask = GD_EVENT_RELEASED;
4183     }
4184
4185     if (id < ED_NUM_CTRL1_BUTTONS)
4186     {
4187       int x = i % ED_CTRL1_BUTTONS_HORIZ;
4188       int y = i / ED_CTRL1_BUTTONS_HORIZ;
4189
4190       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
4191       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
4192       width  = ED_CTRL1_BUTTON_XSIZE;
4193       height = ED_CTRL1_BUTTON_YSIZE;
4194
4195       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
4196       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
4197       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
4198       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
4199     }
4200     else if (id < ED_NUM_CTRL1_2_BUTTONS)
4201     {
4202       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
4203       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
4204
4205       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
4206       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
4207       width  = ED_CTRL2_BUTTON_XSIZE;
4208       height = ED_CTRL2_BUTTON_YSIZE;
4209
4210       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
4211       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
4212       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
4213       gd_y2 = 0;        /* no alternative graphic for these buttons */
4214     }
4215     else if (id < ED_NUM_CTRL1_3_BUTTONS)
4216     {
4217       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
4218       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
4219
4220       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
4221       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
4222       width  = ED_CTRL3_BUTTON_XSIZE;
4223       height = ED_CTRL3_BUTTON_YSIZE;
4224
4225       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
4226       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
4227       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
4228       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
4229     }
4230     else
4231     {
4232       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
4233       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
4234
4235       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
4236       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
4237       width  = ED_CTRL4_BUTTON_XSIZE;
4238       height = ED_CTRL4_BUTTON_YSIZE;
4239
4240       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
4241       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
4242       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
4243       gd_y2 = 0;        /* no alternative graphic for these buttons */
4244     }
4245
4246     gi = CreateGadget(GDI_CUSTOM_ID, id,
4247                       GDI_CUSTOM_TYPE_ID, i,
4248                       GDI_INFO_TEXT, control_info[i].text,
4249                       GDI_X, EX + gd_xoffset,
4250                       GDI_Y, EY + gd_yoffset,
4251                       GDI_WIDTH, width,
4252                       GDI_HEIGHT, height,
4253                       GDI_TYPE, button_type,
4254                       GDI_STATE, GD_BUTTON_UNPRESSED,
4255                       GDI_RADIO_NR, radio_button_nr,
4256                       GDI_CHECKED, checked,
4257                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4258                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4259                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4260                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4261                       GDI_EVENT_MASK, event_mask,
4262                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4263                       GDI_CALLBACK_ACTION, HandleControlButtons,
4264                       GDI_END);
4265
4266     if (gi == NULL)
4267       Error(ERR_EXIT, "cannot create gadget");
4268
4269     level_editor_gadget[id] = gi;
4270   }
4271
4272   /* create buttons for scrolling of drawing area and element list */
4273   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
4274   {
4275     int id = scrollbutton_info[i].gadget_id;
4276     int x, y, width, height;
4277     int gd_x1, gd_x2, gd_y1, gd_y2;
4278
4279     x = scrollbutton_info[i].x;
4280     y = scrollbutton_info[i].y;
4281
4282     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4283
4284     if (id == GADGET_ID_SCROLL_LIST_UP ||
4285         id == GADGET_ID_SCROLL_LIST_DOWN)
4286     {
4287       x += DX;
4288       y += DY;
4289       width = ED_SCROLLBUTTON2_XSIZE;
4290       height = ED_SCROLLBUTTON2_YSIZE;
4291       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
4292       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
4293       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
4294       gd_y2 = gd_y1;
4295     }
4296     else
4297     {
4298       x += SX;
4299       y += SY;
4300       width = ED_SCROLLBUTTON_XSIZE;
4301       height = ED_SCROLLBUTTON_YSIZE;
4302       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
4303       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
4304       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
4305       gd_y2 = gd_y1;
4306     }
4307
4308     gi = CreateGadget(GDI_CUSTOM_ID, id,
4309                       GDI_CUSTOM_TYPE_ID, i,
4310                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
4311                       GDI_X, x,
4312                       GDI_Y, y,
4313                       GDI_WIDTH, width,
4314                       GDI_HEIGHT, height,
4315                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4316                       GDI_STATE, GD_BUTTON_UNPRESSED,
4317                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4318                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4319                       GDI_EVENT_MASK, event_mask,
4320                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4321                       GDI_CALLBACK_ACTION, HandleControlButtons,
4322                       GDI_END);
4323
4324     if (gi == NULL)
4325       Error(ERR_EXIT, "cannot create gadget");
4326
4327     level_editor_gadget[id] = gi;
4328   }
4329
4330   /* create buttons for element list */
4331   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4332   {
4333     Bitmap *deco_bitmap;
4334     int deco_x, deco_y, deco_xpos, deco_ypos;
4335     int gd_xoffset, gd_yoffset;
4336     int gd_x1, gd_x2, gd_y;
4337     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
4338     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
4339     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
4340     int element = editor_elements[i];
4341
4342     event_mask = GD_EVENT_RELEASED;
4343
4344     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
4345     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
4346
4347     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
4348     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
4349     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
4350
4351     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
4352     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
4353     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
4354
4355     gi = CreateGadget(GDI_CUSTOM_ID, id,
4356                       GDI_CUSTOM_TYPE_ID, i,
4357                       GDI_INFO_TEXT, getElementInfoText(element),
4358                       GDI_X, DX + gd_xoffset,
4359                       GDI_Y, DY + gd_yoffset,
4360                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
4361                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
4362                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4363                       GDI_STATE, GD_BUTTON_UNPRESSED,
4364                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4365                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4366                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
4367                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
4368                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
4369                       GDI_DECORATION_SHIFTING, 1, 1,
4370                       GDI_EVENT_MASK, event_mask,
4371                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4372                       GDI_CALLBACK_ACTION, HandleControlButtons,
4373                       GDI_END);
4374
4375     if (gi == NULL)
4376       Error(ERR_EXIT, "cannot create gadget");
4377
4378     level_editor_gadget[id] = gi;
4379   }
4380 }
4381
4382 static void CreateCounterButtons()
4383 {
4384   int max_infotext_len = getMaxInfoTextLength();
4385   int i;
4386
4387   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
4388   {
4389     int j;
4390     int x = SX + counterbutton_info[i].x;       /* down count button */
4391     int y = SY + counterbutton_info[i].y;
4392
4393     /* determine horizontal position to the right of specified gadget */
4394     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4395       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
4396            ED_GADGET_TEXT_DISTANCE);
4397
4398     /* determine horizontal offset for leading text */
4399     if (counterbutton_info[i].text_left != NULL)
4400       x += getTextWidthForGadget(counterbutton_info[i].text_left);
4401
4402     for (j = 0; j < 2; j++)
4403     {
4404       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4405       struct GadgetInfo *gi;
4406       int id = (j == 0 ?
4407                 counterbutton_info[i].gadget_id_down :
4408                 counterbutton_info[i].gadget_id_up);
4409       int gd_xoffset;
4410       int gd_x, gd_x1, gd_x2, gd_y;
4411       int x_size, y_size;
4412       unsigned long event_mask;
4413       char infotext[max_infotext_len + 1];
4414
4415       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4416
4417       if (i == ED_COUNTER_ID_SELECT_LEVEL)
4418       {
4419         int sid = (j == 0 ?
4420                    ED_SCROLLBUTTON_ID_AREA_LEFT :
4421                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
4422
4423         event_mask |= GD_EVENT_RELEASED;
4424
4425         if (j == 1)
4426           x += 2 * ED_GADGET_DISTANCE;
4427         y += ED_GADGET_DISTANCE;
4428
4429         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
4430         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
4431         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
4432         x_size = ED_SCROLLBUTTON_XSIZE;
4433         y_size = ED_SCROLLBUTTON_YSIZE;
4434       }
4435       else
4436       {
4437         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
4438         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
4439         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
4440         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
4441         x_size = ED_BUTTON_COUNT_XSIZE;
4442         y_size = ED_BUTTON_COUNT_YSIZE;
4443       }
4444
4445       sprintf(infotext, "%s counter value by 1, 5 or 10",
4446               (j == 0 ? "decrease" : "increase"));
4447
4448       gi = CreateGadget(GDI_CUSTOM_ID, id,
4449                         GDI_CUSTOM_TYPE_ID, i,
4450                         GDI_INFO_TEXT, infotext,
4451                         GDI_X, x,
4452                         GDI_Y, y,
4453                         GDI_WIDTH, x_size,
4454                         GDI_HEIGHT, y_size,
4455                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4456                         GDI_STATE, GD_BUTTON_UNPRESSED,
4457                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4458                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4459                         GDI_EVENT_MASK, event_mask,
4460                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4461                         GDI_CALLBACK_ACTION, HandleCounterButtons,
4462                         GDI_END);
4463
4464       if (gi == NULL)
4465         Error(ERR_EXIT, "cannot create gadget");
4466
4467       level_editor_gadget[id] = gi;
4468       right_gadget_border[id] =
4469         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
4470
4471       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
4472
4473       if (j == 0)
4474       {
4475         int font_type = FONT_INPUT_1;
4476         int font_type_active = FONT_INPUT_1_ACTIVE;
4477         int gd_width = ED_WIN_COUNT_XSIZE;
4478
4479         id = counterbutton_info[i].gadget_id_text;
4480         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4481
4482         if (i == ED_COUNTER_ID_SELECT_LEVEL)
4483         {
4484           font_type = FONT_LEVEL_NUMBER;
4485           font_type_active = FONT_LEVEL_NUMBER;
4486
4487           x += 2 * ED_GADGET_DISTANCE;
4488           y -= ED_GADGET_DISTANCE;
4489
4490           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
4491           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
4492           gd_width = ED_WIN_COUNT2_XSIZE;
4493         }
4494         else
4495         {
4496           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4497           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4498         }
4499
4500         gi = CreateGadget(GDI_CUSTOM_ID, id,
4501                           GDI_CUSTOM_TYPE_ID, i,
4502                           GDI_INFO_TEXT, "enter counter value",
4503                           GDI_X, x,
4504                           GDI_Y, y,
4505                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
4506                           GDI_NUMBER_VALUE, 0,
4507                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
4508                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
4509                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
4510                           GDI_TEXT_FONT, font_type,
4511                           GDI_TEXT_FONT_ACTIVE, font_type_active,
4512                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4513                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4514                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4515                           GDI_DESIGN_WIDTH, gd_width,
4516                           GDI_EVENT_MASK, event_mask,
4517                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4518                           GDI_CALLBACK_ACTION, HandleCounterButtons,
4519                           GDI_END);
4520
4521         if (gi == NULL)
4522           Error(ERR_EXIT, "cannot create gadget");
4523
4524         level_editor_gadget[id] = gi;
4525         right_gadget_border[id] =
4526           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
4527
4528         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
4529       }
4530     }
4531   }
4532 }
4533
4534 static void CreateDrawingAreas()
4535 {
4536   int i;
4537
4538   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
4539   {
4540     struct GadgetInfo *gi;
4541     unsigned long event_mask;
4542     int id = drawingarea_info[i].gadget_id;
4543     int x = SX + drawingarea_info[i].x;
4544     int y = SY + drawingarea_info[i].y;
4545     int area_xsize = drawingarea_info[i].area_xsize;
4546     int area_ysize = drawingarea_info[i].area_ysize;
4547
4548     event_mask =
4549       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
4550       GD_EVENT_OFF_BORDERS;
4551
4552     /* determine horizontal position to the right of specified gadget */
4553     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
4554       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
4555            ED_DRAWINGAREA_TEXT_DISTANCE);
4556
4557     /* determine horizontal offset for leading text */
4558     if (drawingarea_info[i].text_left != NULL)
4559       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
4560
4561     gi = CreateGadget(GDI_CUSTOM_ID, id,
4562                       GDI_CUSTOM_TYPE_ID, i,
4563                       GDI_X, x,
4564                       GDI_Y, y,
4565                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
4566                       GDI_AREA_SIZE, area_xsize, area_ysize,
4567                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
4568                       GDI_EVENT_MASK, event_mask,
4569                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
4570                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
4571                       GDI_END);
4572
4573     if (gi == NULL)
4574       Error(ERR_EXIT, "cannot create gadget");
4575
4576     level_editor_gadget[id] = gi;
4577     right_gadget_border[id] =
4578       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
4579   }
4580 }
4581
4582 static void CreateTextInputGadgets()
4583 {
4584   int max_infotext_len = getMaxInfoTextLength();
4585   int i;
4586
4587   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
4588   {
4589     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4590     int gd_x, gd_y;
4591     struct GadgetInfo *gi;
4592     unsigned long event_mask;
4593     char infotext[MAX_OUTPUT_LINESIZE + 1];
4594     int id = textinput_info[i].gadget_id;
4595
4596     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4597
4598     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4599     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4600
4601     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
4602     infotext[max_infotext_len] = '\0';
4603
4604     gi = CreateGadget(GDI_CUSTOM_ID, id,
4605                       GDI_CUSTOM_TYPE_ID, i,
4606                       GDI_INFO_TEXT, infotext,
4607                       GDI_X, SX + textinput_info[i].x,
4608                       GDI_Y, SY + textinput_info[i].y,
4609                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
4610                       GDI_TEXT_VALUE, textinput_info[i].value,
4611                       GDI_TEXT_SIZE, textinput_info[i].size,
4612                       GDI_TEXT_FONT, FONT_INPUT_1,
4613                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4614                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4615                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4616                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4617                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4618                       GDI_EVENT_MASK, event_mask,
4619                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4620                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
4621                       GDI_END);
4622
4623     if (gi == NULL)
4624       Error(ERR_EXIT, "cannot create gadget");
4625
4626     level_editor_gadget[id] = gi;
4627   }
4628 }
4629
4630 static void CreateTextAreaGadgets()
4631 {
4632   int max_infotext_len = getMaxInfoTextLength();
4633   int i;
4634
4635   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
4636   {
4637     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4638     int gd_x, gd_y;
4639     struct GadgetInfo *gi;
4640     unsigned long event_mask;
4641     char infotext[MAX_OUTPUT_LINESIZE + 1];
4642     int id = textarea_info[i].gadget_id;
4643     int area_xsize = textarea_info[i].xsize;
4644     int area_ysize = textarea_info[i].ysize;
4645
4646     event_mask = GD_EVENT_TEXT_LEAVING;
4647
4648     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4649     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4650
4651     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
4652     infotext[max_infotext_len] = '\0';
4653
4654     gi = CreateGadget(GDI_CUSTOM_ID, id,
4655                       GDI_CUSTOM_TYPE_ID, i,
4656                       GDI_INFO_TEXT, infotext,
4657                       GDI_X, SX + textarea_info[i].x,
4658                       GDI_Y, SY + textarea_info[i].y,
4659                       GDI_TYPE, GD_TYPE_TEXT_AREA,
4660                       GDI_AREA_SIZE, area_xsize, area_ysize,
4661                       GDI_TEXT_FONT, FONT_INPUT_1,
4662                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4663                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4664                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4665                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4666                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4667                       GDI_EVENT_MASK, event_mask,
4668                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4669                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
4670                       GDI_END);
4671
4672     if (gi == NULL)
4673       Error(ERR_EXIT, "cannot create gadget");
4674
4675     level_editor_gadget[id] = gi;
4676   }
4677 }
4678
4679 static void CreateSelectboxGadgets()
4680 {
4681   int max_infotext_len = getMaxInfoTextLength();
4682   int i, j;
4683
4684   for (i = 0; i < ED_NUM_SELECTBOX; i++)
4685   {
4686     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4687     int gd_x, gd_y;
4688     struct GadgetInfo *gi;
4689     unsigned long event_mask;
4690     char infotext[MAX_OUTPUT_LINESIZE + 1];
4691     int id = selectbox_info[i].gadget_id;
4692     int x = SX + selectbox_info[i].x;
4693     int y = SY + selectbox_info[i].y;
4694
4695     if (selectbox_info[i].size == -1)   /* dynamically determine size */
4696     {
4697       /* (we cannot use -1 for uninitialized values if we directly compare
4698          with results from strlen(), because the '<' and '>' operation will
4699          implicitely cast -1 to an unsigned integer value!) */
4700       selectbox_info[i].size = 0;
4701
4702       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
4703         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
4704           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
4705
4706       selectbox_info[i].size++;         /* add one character empty space */
4707     }
4708
4709     event_mask = GD_EVENT_RELEASED |
4710       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4711
4712     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
4713     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
4714
4715     /* determine horizontal position to the right of specified gadget */
4716     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
4717       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
4718            ED_GADGET_TEXT_DISTANCE);
4719
4720     /* determine horizontal offset for leading text */
4721     if (selectbox_info[i].text_left != NULL)
4722       x += getTextWidthForGadget(selectbox_info[i].text_left);
4723
4724     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
4725     infotext[max_infotext_len] = '\0';
4726
4727     gi = CreateGadget(GDI_CUSTOM_ID, id,
4728                       GDI_CUSTOM_TYPE_ID, i,
4729                       GDI_INFO_TEXT, infotext,
4730                       GDI_X, x,
4731                       GDI_Y, y,
4732                       GDI_TYPE, GD_TYPE_SELECTBOX,
4733                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
4734                       GDI_TEXT_SIZE, selectbox_info[i].size,
4735                       GDI_TEXT_FONT, FONT_INPUT_1,
4736                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4737                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4738                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4739                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4740                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
4741                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4742                       GDI_EVENT_MASK, event_mask,
4743                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4744                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
4745                       GDI_END);
4746
4747     if (gi == NULL)
4748       Error(ERR_EXIT, "cannot create gadget");
4749
4750     level_editor_gadget[id] = gi;
4751     right_gadget_border[id] =
4752       getRightGadgetBorder(gi, selectbox_info[i].text_right);
4753   }
4754 }
4755
4756 static void CreateTextbuttonGadgets()
4757 {
4758   int max_infotext_len = getMaxInfoTextLength();
4759   int i;
4760
4761   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
4762   {
4763     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4764     int gd_x1, gd_x2, gd_y1, gd_y2;
4765     struct GadgetInfo *gi;
4766     unsigned long event_mask;
4767     char infotext[MAX_OUTPUT_LINESIZE + 1];
4768     int id = textbutton_info[i].gadget_id;
4769     int x = SX + textbutton_info[i].x;
4770     int y = SY + textbutton_info[i].y;
4771
4772     if (textbutton_info[i].size == -1)  /* dynamically determine size */
4773       textbutton_info[i].size = strlen(textbutton_info[i].text);
4774
4775     event_mask = GD_EVENT_RELEASED;
4776
4777     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE)
4778     {
4779       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
4780       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
4781       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
4782       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
4783     }
4784     else
4785     {
4786       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
4787       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
4788       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
4789       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
4790     }
4791
4792     sprintf(infotext, "%s", textbutton_info[i].infotext);
4793     infotext[max_infotext_len] = '\0';
4794
4795     /* determine horizontal position to the right of specified gadget */
4796     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4797       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
4798            ED_GADGET_TEXT_DISTANCE);
4799
4800     /* determine horizontal offset for leading text */
4801     if (textbutton_info[i].text_left != NULL)
4802       x += getTextWidthForGadget(textbutton_info[i].text_left);
4803
4804     gi = CreateGadget(GDI_CUSTOM_ID, id,
4805                       GDI_CUSTOM_TYPE_ID, i,
4806                       GDI_INFO_TEXT, infotext,
4807                       GDI_X, x,
4808                       GDI_Y, y,
4809                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
4810                       GDI_TEXT_VALUE, textbutton_info[i].text,
4811                       GDI_TEXT_SIZE, textbutton_info[i].size,
4812                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
4813                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
4814                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4815                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4816                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4817                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
4818                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4819                       GDI_DECORATION_SHIFTING, 1, 1,
4820                       GDI_EVENT_MASK, event_mask,
4821                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4822                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
4823                       GDI_END);
4824
4825     if (gi == NULL)
4826       Error(ERR_EXIT, "cannot create gadget");
4827
4828     level_editor_gadget[id] = gi;
4829     right_gadget_border[id] =
4830       getRightGadgetBorder(gi, textbutton_info[i].text_right);
4831   }
4832 }
4833
4834 static void CreateGraphicbuttonGadgets()
4835 {
4836   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4837   struct GadgetInfo *gi;
4838   unsigned long event_mask;
4839   int i;
4840
4841   /* create buttons for scrolling of drawing area and element list */
4842   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
4843   {
4844     int id = graphicbutton_info[i].gadget_id;
4845     int gd_x1, gd_x2, gd_y1, gd_y2;
4846     int x = SX + graphicbutton_info[i].x;
4847     int y = SY + graphicbutton_info[i].y;
4848
4849     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4850
4851     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
4852     {
4853       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
4854       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4855       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
4856       gd_y2 = gd_y1;
4857     }
4858     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
4859     {
4860       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
4861       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4862       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
4863       gd_y2 = gd_y1;
4864     }
4865
4866     /* determine horizontal position to the right of specified gadget */
4867     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4868       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
4869            ED_GADGET_TEXT_DISTANCE);
4870
4871     /* determine horizontal offset for leading text */
4872     if (graphicbutton_info[i].text_left != NULL)
4873       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
4874
4875     gi = CreateGadget(GDI_CUSTOM_ID, id,
4876                       GDI_CUSTOM_TYPE_ID, i,
4877                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
4878                       GDI_X, x,
4879                       GDI_Y, y,
4880                       GDI_WIDTH, graphicbutton_info[i].width,
4881                       GDI_HEIGHT, graphicbutton_info[i].height,
4882                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4883                       GDI_STATE, GD_BUTTON_UNPRESSED,
4884                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4885                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4886                       GDI_EVENT_MASK, event_mask,
4887                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4888                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
4889                       GDI_END);
4890
4891     if (gi == NULL)
4892       Error(ERR_EXIT, "cannot create gadget");
4893
4894     level_editor_gadget[id] = gi;
4895     right_gadget_border[id] =
4896       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
4897   }
4898 }
4899
4900 static void CreateScrollbarGadgets()
4901 {
4902   int i;
4903
4904   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
4905   {
4906     int id = scrollbar_info[i].gadget_id;
4907     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4908     int gd_x1, gd_x2, gd_y1, gd_y2;
4909     struct GadgetInfo *gi;
4910     int items_max, items_visible, item_position;
4911     unsigned long event_mask;
4912
4913     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
4914     {
4915       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
4916       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
4917       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
4918     }
4919     else        /* drawing area scrollbars */
4920     {
4921       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
4922       {
4923         items_max = MAX(lev_fieldx + 2, ed_fieldx);
4924         items_visible = ed_fieldx;
4925         item_position = 0;
4926       }
4927       else
4928       {
4929         items_max = MAX(lev_fieldy + 2, ed_fieldy);
4930         items_visible = ed_fieldy;
4931         item_position = 0;
4932       }
4933     }
4934
4935     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
4936
4937     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
4938     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
4939                       scrollbar_info[i].height : scrollbar_info[i].width));
4940     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4941     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4942
4943     gi = CreateGadget(GDI_CUSTOM_ID, id,
4944                       GDI_CUSTOM_TYPE_ID, i,
4945                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
4946                       GDI_X, scrollbar_info[i].x,
4947                       GDI_Y, scrollbar_info[i].y,
4948                       GDI_WIDTH, scrollbar_info[i].width,
4949                       GDI_HEIGHT, scrollbar_info[i].height,
4950                       GDI_TYPE, scrollbar_info[i].type,
4951                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
4952                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
4953                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
4954                       GDI_STATE, GD_BUTTON_UNPRESSED,
4955                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4956                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4957                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4958                       GDI_EVENT_MASK, event_mask,
4959                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4960                       GDI_CALLBACK_ACTION, HandleControlButtons,
4961                       GDI_END);
4962
4963     if (gi == NULL)
4964       Error(ERR_EXIT, "cannot create gadget");
4965
4966     level_editor_gadget[id] = gi;
4967   }
4968 }
4969
4970 static void CreateCheckbuttonGadgets()
4971 {
4972   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4973   struct GadgetInfo *gi;
4974   unsigned long event_mask;
4975   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4976   int i;
4977
4978   event_mask = GD_EVENT_PRESSED;
4979
4980   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4981   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4982   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4983   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4984   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4985
4986   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
4987   {
4988     int id = checkbutton_info[i].gadget_id;
4989     int x = SX + checkbutton_info[i].x;
4990     int y = SY + checkbutton_info[i].y;
4991
4992     if (id == GADGET_ID_STICK_ELEMENT)
4993       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
4994     else
4995       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
4996
4997     /* determine horizontal position to the right of specified gadget */
4998     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4999       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
5000            ED_GADGET_TEXT_DISTANCE);
5001
5002     /* determine horizontal offset for leading text */
5003     if (checkbutton_info[i].text_left != NULL)
5004       x += getTextWidthForGadget(checkbutton_info[i].text_left);
5005
5006     gi = CreateGadget(GDI_CUSTOM_ID, id,
5007                       GDI_CUSTOM_TYPE_ID, i,
5008                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
5009                       GDI_X, x,
5010                       GDI_Y, y,
5011                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
5012                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
5013                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
5014                       GDI_CHECKED, *checkbutton_info[i].value,
5015                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5016                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5017                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
5018                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
5019                       GDI_EVENT_MASK, event_mask,
5020                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5021                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
5022                       GDI_END);
5023
5024     if (gi == NULL)
5025       Error(ERR_EXIT, "cannot create gadget");
5026
5027     level_editor_gadget[id] = gi;
5028     right_gadget_border[id] =
5029       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
5030   }
5031 }
5032
5033 static void CreateRadiobuttonGadgets()
5034 {
5035   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5036   struct GadgetInfo *gi;
5037   unsigned long event_mask;
5038   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
5039   int i;
5040
5041   event_mask = GD_EVENT_PRESSED;
5042
5043   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
5044   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
5045   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
5046   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
5047   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
5048
5049   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
5050   {
5051     int id = radiobutton_info[i].gadget_id;
5052     int x = SX + radiobutton_info[i].x;
5053     int y = SY + radiobutton_info[i].y;
5054
5055     int checked =
5056       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
5057
5058     /* determine horizontal position to the right of specified gadget */
5059     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
5060       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
5061            ED_GADGET_TEXT_DISTANCE);
5062
5063     /* determine horizontal offset for leading text */
5064     if (radiobutton_info[i].text_left != NULL)
5065       x += getTextWidthForGadget(radiobutton_info[i].text_left);
5066
5067     gi = CreateGadget(GDI_CUSTOM_ID, id,
5068                       GDI_CUSTOM_TYPE_ID, i,
5069                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
5070                       GDI_X, x,
5071                       GDI_Y, y,
5072                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
5073                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
5074                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
5075                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
5076                       GDI_CHECKED, checked,
5077                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5078                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5079                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
5080                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
5081                       GDI_EVENT_MASK, event_mask,
5082                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5083                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
5084                       GDI_END);
5085
5086     if (gi == NULL)
5087       Error(ERR_EXIT, "cannot create gadget");
5088
5089     level_editor_gadget[id] = gi;
5090     right_gadget_border[id] =
5091       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
5092   }
5093 }
5094
5095 void CreateLevelEditorGadgets()
5096 {
5097   int old_game_status = game_status;
5098
5099   /* setting 'game_status' is needed to get the right fonts for the editor */
5100   game_status = GAME_MODE_EDITOR;
5101
5102   ReinitializeElementList();
5103
5104   CreateControlButtons();
5105   CreateScrollbarGadgets();
5106
5107   /* order of function calls is important because of cross-references */
5108   CreateCheckbuttonGadgets();
5109   CreateCounterButtons();
5110   CreateRadiobuttonGadgets();
5111   CreateTextInputGadgets();
5112   CreateTextAreaGadgets();
5113   CreateSelectboxGadgets();
5114   CreateGraphicbuttonGadgets();
5115   CreateTextbuttonGadgets();
5116   CreateDrawingAreas();
5117
5118   game_status = old_game_status;
5119 }
5120
5121 void FreeLevelEditorGadgets()
5122 {
5123   int i;
5124
5125   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5126     FreeGadget(level_editor_gadget[i]);
5127 }
5128
5129 static void MapCounterButtons(int id)
5130 {
5131   int gadget_id_down = counterbutton_info[id].gadget_id_down;
5132   int gadget_id_text = counterbutton_info[id].gadget_id_text;
5133   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
5134   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
5135   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
5136   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
5137 #if 0
5138   char infotext[MAX_OUTPUT_LINESIZE + 1];
5139   int max_infotext_len = getMaxInfoTextLength();
5140   int xoffset_left = 0;
5141   int yoffset_left = ED_BORDER_SIZE;
5142   int xoffset_right = getCounterGadgetWidth();
5143   int yoffset_right = ED_BORDER_SIZE;
5144 #else
5145   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
5146   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5147   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
5148   int yoffset = ED_BORDER_SIZE;
5149   int x_left = gi_down->x - xoffset_left;
5150   int x_right = gi_up->x + gi_up->width + xoffset_right;
5151   int y_above = gi_down->y - yoffset_above;
5152   int x = gi_down->x;
5153   int y;        /* set after gadget position was modified */
5154 #endif
5155
5156   /* set position for "score" counter gadget */
5157   if (id == ED_COUNTER_ID_ELEMENT_SCORE)
5158   {
5159     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
5160     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
5161     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
5162   }
5163
5164   y = gi_up->y + yoffset;
5165
5166   if (counterbutton_info[id].text_above)
5167     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
5168
5169   if (counterbutton_info[id].text_left)
5170     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
5171
5172   if (counterbutton_info[id].text_right)
5173     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
5174
5175   ModifyEditorCounter(id, *counterbutton_info[id].value);
5176
5177   MapGadget(gi_down);
5178   MapGadget(gi_text);
5179   MapGadget(gi_up);
5180 }
5181
5182 static void MapControlButtons()
5183 {
5184   int counter_id;
5185   int i;
5186
5187   /* map toolbox buttons (excluding special CE toolbox buttons) */
5188   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
5189     MapGadget(level_editor_gadget[i]);
5190
5191   /* map buttons to select elements */
5192   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5193     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
5194   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
5195   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
5196   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
5197
5198   /* map buttons to select level */
5199   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
5200   ModifyEditorCounterLimits(counter_id,
5201                             leveldir_current->first_level,
5202                             leveldir_current->last_level);
5203   MapCounterButtons(counter_id);
5204 }
5205
5206 static void MapDrawingArea(int id)
5207 {
5208   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5209   int area_xsize = gi->drawing.area_xsize;
5210   int area_ysize = gi->drawing.area_ysize;
5211   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
5212   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
5213   int x_left  = gi->x - xoffset_left;
5214   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
5215   int x_below = gi->x + (gi->width - xoffset_below) / 2;
5216   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
5217   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
5218
5219   if (drawingarea_info[id].text_left)
5220     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
5221
5222   if (drawingarea_info[id].text_right)
5223     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
5224
5225   if (drawingarea_info[id].text_below)
5226     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
5227
5228   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
5229   {
5230     DrawElementBorder(gi->x, gi->y,
5231                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
5232
5233     DrawDrawingArea(id);
5234   }
5235
5236   MapGadget(gi);
5237 }
5238
5239 static void MapTextInputGadget(int id)
5240 {
5241   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
5242   int xoffset_above = 0;
5243   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
5244   int x_above = textinput_info[id].x + xoffset_above;
5245   int y_above = textinput_info[id].y + yoffset_above;
5246
5247   if (textinput_info[id].text_above)
5248     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
5249
5250   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
5251
5252   MapGadget(gi);
5253 }
5254
5255 static void MapTextAreaGadget(int id)
5256 {
5257   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5258   int xoffset_above = 0;
5259   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
5260   int x_above = textarea_info[id].x + xoffset_above;
5261   int y_above = textarea_info[id].y + yoffset_above;
5262
5263   if (textarea_info[id].text_above)
5264     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
5265
5266   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
5267
5268   MapGadget(gi);
5269 }
5270
5271 static void MapSelectboxGadget(int id)
5272 {
5273   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
5274   int xoffset_left = getTextWidthForGadget(selectbox_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
5281   if (selectbox_info[id].text_left)
5282     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
5283
5284   if (selectbox_info[id].text_right)
5285     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
5286
5287   ModifyEditorSelectbox(id, *selectbox_info[id].value);
5288
5289   MapGadget(gi);
5290 }
5291
5292 static void MapTextbuttonGadget(int id)
5293 {
5294   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
5295   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
5296   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5297   int yoffset = ED_BORDER_SIZE;
5298   int x_left = gi->x - xoffset_left;
5299   int x_right = gi->x + gi->width + xoffset_right;
5300   int y = gi->y + yoffset;
5301
5302   /* only show button to delete change pages when more than minimum pages */
5303   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
5304       custom_element.num_change_pages == MIN_CHANGE_PAGES)
5305     return;
5306
5307   if (textbutton_info[id].text_left)
5308     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
5309
5310   if (textbutton_info[id].text_right)
5311     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
5312
5313   MapGadget(gi);
5314 }
5315
5316 static void MapGraphicbuttonGadget(int id)
5317 {
5318   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
5319   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
5320   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5321   int yoffset = ED_BORDER_SIZE;
5322   int x_left = gi->x - xoffset_left;
5323   int x_right = gi->x + gi->width + xoffset_right;
5324   int y = gi->y + yoffset;
5325
5326   if (graphicbutton_info[id].text_left)
5327     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
5328
5329   if (graphicbutton_info[id].text_right)
5330     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
5331
5332   MapGadget(gi);
5333 }
5334
5335 static void MapRadiobuttonGadget(int id)
5336 {
5337   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
5338   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
5339   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5340   int yoffset = ED_BORDER_SIZE;
5341   int x_left = gi->x - xoffset_left;
5342   int x_right = gi->x + gi->width + xoffset_right;
5343   int y = gi->y + yoffset;
5344   boolean checked =
5345     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
5346
5347   if (radiobutton_info[id].text_left)
5348     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
5349
5350   if (radiobutton_info[id].text_right)
5351     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
5352
5353   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
5354
5355   MapGadget(gi);
5356 }
5357
5358 static void MapCheckbuttonGadget(int id)
5359 {
5360   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
5361   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
5362   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
5363   int yoffset = ED_BORDER_SIZE;
5364   int x_left, x_right, y;       /* set after gadget position was modified */
5365
5366   /* set position for gadgets with dynamically determined position */
5367   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
5368     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
5369   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
5370
5371   x_left = gi->x - xoffset_left;
5372   x_right = gi->x + gi->width + xoffset_right;
5373   y = gi->y + yoffset;
5374
5375   if (checkbutton_info[id].text_left)
5376     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
5377
5378   if (checkbutton_info[id].text_right)
5379     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
5380
5381   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
5382
5383   MapGadget(gi);
5384 }
5385
5386 static void MapMainDrawingArea()
5387 {
5388   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
5389   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
5390   int i;
5391
5392   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
5393   {
5394     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
5395           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
5396          no_horizontal_scrollbar) ||
5397         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
5398           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
5399          no_vertical_scrollbar))
5400       continue;
5401
5402     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
5403   }
5404
5405   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
5406   {
5407     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
5408         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
5409       continue;
5410
5411     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
5412   }
5413
5414   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
5415 }
5416
5417 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
5418 {
5419   int i;
5420
5421   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5422   {
5423     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
5424         i == GADGET_ID_CUSTOM_COPY_TO ||
5425         i == GADGET_ID_CUSTOM_EXCHANGE ||
5426         i == GADGET_ID_CUSTOM_COPY ||
5427         i == GADGET_ID_CUSTOM_PASTE)
5428     {
5429       if (map)
5430         MapGadget(level_editor_gadget[i]);
5431       else
5432         UnmapGadget(level_editor_gadget[i]);
5433     }
5434   }
5435 }
5436
5437 static void MapLevelEditorToolboxCustomGadgets()
5438 {
5439   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
5440 }
5441
5442 static void UnmapLevelEditorToolboxCustomGadgets()
5443 {
5444   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
5445 }
5446
5447 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
5448 {
5449   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5450   int i;
5451
5452   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
5453   {
5454     if (i != GADGET_ID_SINGLE_ITEMS &&
5455         i != GADGET_ID_PROPERTIES &&
5456         i != GADGET_ID_PICK_ELEMENT)
5457     {
5458       struct GadgetInfo *gi = level_editor_gadget[i];
5459
5460       if (map)
5461         MapGadget(gi);
5462       else
5463       {
5464         UnmapGadget(gi);
5465
5466         BlitBitmap(gd_bitmap, drawto,
5467                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
5468                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
5469                    gi->width, gi->height, gi->x, gi->y);
5470
5471         redraw_mask |= REDRAW_DOOR_3;
5472       }
5473     }
5474   }
5475 }
5476
5477 static void MapLevelEditorToolboxDrawingGadgets()
5478 {
5479   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
5480 }
5481
5482 static void UnmapLevelEditorToolboxDrawingGadgets()
5483 {
5484   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
5485 }
5486
5487 static void UnmapDrawingArea(int id)
5488 {
5489   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
5490 }
5491
5492 static void UnmapLevelEditorWindowGadgets()
5493 {
5494   int i;
5495
5496   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5497     if (level_editor_gadget[i]->x < SX + SXSIZE)
5498       UnmapGadget(level_editor_gadget[i]);
5499 }
5500
5501 void UnmapLevelEditorGadgets()
5502 {
5503   int i;
5504
5505   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5506     UnmapGadget(level_editor_gadget[i]);
5507 }
5508
5509 static void ResetUndoBuffer()
5510 {
5511   undo_buffer_position = -1;
5512   undo_buffer_steps = -1;
5513   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5514
5515   level.changed = FALSE;
5516 }
5517
5518 static void DrawEditModeWindow()
5519 {
5520   ModifyEditorElementList();
5521   RedrawDrawingElements();
5522
5523   if (edit_mode == ED_MODE_INFO)
5524     DrawLevelInfoWindow();
5525   else if (edit_mode == ED_MODE_PROPERTIES)
5526     DrawPropertiesWindow();
5527   else  /* edit_mode == ED_MODE_DRAWING */
5528     DrawDrawingWindow();
5529 }
5530
5531 static boolean LevelChanged()
5532 {
5533   boolean field_changed = FALSE;
5534   int x, y;
5535
5536   if (leveldir_current->readonly)
5537     return FALSE;
5538
5539   for (y = 0; y < lev_fieldy; y++)
5540     for (x = 0; x < lev_fieldx; x++)
5541       if (Feld[x][y] != level.field[x][y])
5542         field_changed = TRUE;
5543
5544   return (level.changed || field_changed);
5545 }
5546
5547 static boolean LevelContainsPlayer()
5548 {
5549   boolean player_found = FALSE;
5550   int x, y;
5551
5552   return TRUE;          /* !!! CURRENTLY DEACTIVATED !!! */
5553
5554   for (y = 0; y < lev_fieldy; y++)
5555     for (x = 0; x < lev_fieldx; x++)
5556       if (Feld[x][y] == EL_PLAYER_1 ||
5557           Feld[x][y] == EL_SP_MURPHY)
5558         player_found = TRUE;
5559
5560   return player_found;
5561 }
5562
5563 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
5564                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
5565 {
5566   int x, y;
5567
5568   for (x = 0; x < lev_fieldx; x++)
5569     for (y = 0; y < lev_fieldy; y++)
5570       dst[x][y] = src[x][y];
5571 }
5572
5573 static int setSelectboxValue(int selectbox_id, int new_value)
5574 {
5575   int new_index_value = 0;
5576   int i;
5577
5578   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
5579     if (selectbox_info[selectbox_id].options[i].value == new_value)
5580       new_index_value = i;
5581
5582   *selectbox_info[selectbox_id].value =
5583     selectbox_info[selectbox_id].options[new_index_value].value;
5584
5585   return new_index_value;
5586 }
5587
5588 static void copy_custom_element_settings(int element_from, int element_to)
5589 {
5590 #if 0
5591   struct ElementInfo ei_to_old = element_info[element_to];
5592   struct ElementInfo *ei_from = &element_info[element_from];
5593   struct ElementInfo *ei_to = &element_info[element_to];
5594   int i;
5595
5596   /* ---------- copy whole element structure ---------- */
5597   *ei_to = *ei_from;
5598
5599   /* ---------- restore structure pointers which cannot be copied ---------- */
5600   ei_to->token_name         = ei_to_old.token_name;
5601   ei_to->class_name         = ei_to_old.class_name;
5602   ei_to->editor_description = ei_to_old.editor_description;
5603   ei_to->custom_description = ei_to_old.custom_description;
5604   ei_to->change_page        = ei_to_old.change_page;
5605   ei_to->change             = ei_to_old.change;
5606   ei_to->group              = ei_to_old.group;
5607
5608   /* ---------- copy element base properties ---------- */
5609   Properties[element_to][EP_BITFIELD_BASE] =
5610     Properties[element_from][EP_BITFIELD_BASE];
5611
5612   /* ---------- reinitialize and copy change pages ---------- */
5613   setElementChangePages(ei_to, ei_to->num_change_pages);
5614
5615   for (i=0; i < ei_to->num_change_pages; i++)
5616     ei_to->change_page[i] = ei_from->change_page[i];
5617
5618   /* ---------- copy group element info ---------- */
5619   if (ei_from->group != NULL && ei_to->group != NULL)   /* group or internal */
5620     *ei_to->group = *ei_from->group;
5621
5622 #else
5623
5624   struct ElementInfo *ei_from = &element_info[element_from];
5625   struct ElementInfo *ei_to = &element_info[element_to];
5626   int i, x, y;
5627
5628   /* ---------- copy element description ---------- */
5629   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
5630     ei_to->description[i] = ei_from->description[i];
5631
5632   /* ---------- copy element base properties ---------- */
5633   Properties[element_to][EP_BITFIELD_BASE] =
5634     Properties[element_from][EP_BITFIELD_BASE];
5635
5636   /* ---------- copy custom property values ---------- */
5637
5638   ei_to->use_gfx_element = ei_from->use_gfx_element;
5639   ei_to->gfx_element = ei_from->gfx_element;
5640
5641   ei_to->access_direction = ei_from->access_direction;
5642
5643   ei_to->collect_score = ei_from->collect_score;
5644   ei_to->collect_count = ei_from->collect_count;
5645
5646   ei_to->push_delay_fixed = ei_from->push_delay_fixed;
5647   ei_to->push_delay_random = ei_from->push_delay_random;
5648   ei_to->drop_delay_fixed = ei_from->drop_delay_fixed;
5649   ei_to->drop_delay_random = ei_from->drop_delay_random;
5650   ei_to->move_delay_fixed = ei_from->move_delay_fixed;
5651   ei_to->move_delay_random = ei_from->move_delay_random;
5652
5653   ei_to->move_pattern = ei_from->move_pattern;
5654   ei_to->move_direction_initial = ei_from->move_direction_initial;
5655   ei_to->move_stepsize = ei_from->move_stepsize;
5656
5657   ei_to->move_enter_element = ei_from->move_enter_element;
5658   ei_to->move_leave_element = ei_from->move_leave_element;
5659   ei_to->move_leave_type = ei_from->move_leave_type;
5660
5661   ei_to->slippery_type = ei_from->slippery_type;
5662
5663   for (y = 0; y < 3; y++)
5664     for (x = 0; x < 3; x++)
5665       ei_to->content[x][y] = ei_from->content[x][y];
5666
5667   ei_to->explosion_type = ei_from->explosion_type;
5668   ei_to->explosion_delay = ei_from->explosion_delay;
5669   ei_to->ignition_delay = ei_from->ignition_delay;
5670
5671   /* ---------- reinitialize and copy change pages ---------- */
5672
5673   ei_to->num_change_pages = ei_from->num_change_pages;
5674   ei_to->current_change_page = ei_from->current_change_page;
5675
5676   setElementChangePages(ei_to, ei_to->num_change_pages);
5677
5678   for (i=0; i < ei_to->num_change_pages; i++)
5679     ei_to->change_page[i] = ei_from->change_page[i];
5680
5681   /* ---------- copy group element info ---------- */
5682   if (ei_from->group != NULL && ei_to->group != NULL)   /* group or internal */
5683     *ei_to->group = *ei_from->group;
5684
5685 #endif
5686
5687   /* mark this custom element as modified */
5688   ei_to->modified_settings = TRUE;
5689 }
5690
5691 static void replace_custom_element_in_settings(int element_from,
5692                                                int element_to)
5693 {
5694   int i, j, x, y;
5695
5696   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5697   {
5698     struct ElementInfo *ei = &element_info[i];
5699
5700     for (y = 0; y < 3; y++)
5701       for (x = 0; x < 3; x++)
5702         if (ei->content[x][y] == element_from)
5703           ei->content[x][y] = element_to;
5704
5705     for (j = 0; j < ei->num_change_pages; j++)
5706     {
5707       struct ElementChangeInfo *change = &ei->change_page[j];
5708
5709       if (change->target_element == element_from)
5710         change->target_element = element_to;
5711
5712       if (change->trigger_element == element_from)
5713         change->trigger_element = element_to;
5714
5715       for (y = 0; y < 3; y++)
5716         for (x = 0; x < 3; x++)
5717           if (change->target_content[x][y] == element_from)
5718             change->target_content[x][y] = element_to;
5719     }
5720
5721     if (ei->group != NULL)                              /* group or internal */
5722       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
5723         if (ei->group->element[j] == element_from)
5724           ei->group->element[j] = element_to;
5725   }
5726 }
5727
5728 static void replace_custom_element_in_playfield(int element_from,
5729                                                 int element_to)
5730 {
5731   int x, y;
5732
5733   for (x = 0; x < lev_fieldx; x++)
5734     for (y = 0; y < lev_fieldy; y++)
5735       if (Feld[x][y] == element_from)
5736         Feld[x][y] = element_to;
5737 }
5738
5739 static boolean CopyCustomElement(int element_old, int element_new,
5740                                  int copy_mode)
5741 {
5742   if (copy_mode == GADGET_ID_CUSTOM_COPY)
5743   {
5744     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
5745                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
5746     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
5747   }
5748   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
5749   {
5750     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
5751                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
5752     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
5753
5754     level.changed = TRUE;
5755   }
5756   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
5757   {
5758     Request("Please choose custom element !", REQ_CONFIRM);
5759
5760     return FALSE;
5761   }
5762   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
5763   {
5764     Request("Please choose group element !", REQ_CONFIRM);
5765
5766     return FALSE;
5767   }
5768   else
5769   {
5770     level.changed = TRUE;
5771   }
5772
5773   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
5774   {
5775     copy_custom_element_settings(element_new, element_old);
5776   }
5777   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
5778   {
5779     copy_custom_element_settings(element_old, element_new);
5780   }
5781   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
5782   {
5783     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
5784     copy_custom_element_settings(element_new, element_old);
5785     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
5786
5787     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
5788     replace_custom_element_in_settings(element_new, element_old);
5789     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
5790
5791     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
5792     replace_custom_element_in_playfield(element_new, element_old);
5793     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
5794   }
5795
5796   UpdateCustomElementGraphicGadgets();
5797   DrawPropertiesWindow();
5798
5799   return TRUE;
5800 }
5801
5802 static void CopyCustomElementPropertiesToEditor(int element)
5803 {
5804   int i;
5805   int current_change_page = element_info[element].current_change_page;
5806
5807   /* dynamically (re)build selectbox for selecting change page */
5808   for (i = 0; i < element_info[element].num_change_pages; i++)
5809   {
5810     sprintf(options_change_page_strings[i], "%d", i + 1);
5811
5812     options_change_page[i].value = i;
5813     options_change_page[i].text = options_change_page_strings[i];
5814   }
5815
5816   options_change_page[i].value = -1;
5817   options_change_page[i].text = NULL;
5818
5819   /* needed here to initialize combined element properties */
5820   InitElementPropertiesEngine(level.game_version);
5821
5822   element_info[element].change =
5823     &element_info[element].change_page[current_change_page];
5824
5825   custom_element = element_info[element];
5826   custom_element_change = *element_info[element].change;
5827
5828   /* needed to initially set selectbox value variables to reliable defaults */
5829   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5830     setSelectboxValue(i, *selectbox_info[i].value);
5831
5832   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5833     custom_element_properties[i] = HAS_PROPERTY(element, i);
5834
5835   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5836     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
5837
5838   /* ---------- element settings: configure (custom elements) ------------- */
5839
5840   /* set accessible layer selectbox help value */
5841   custom_element.access_type =
5842     (IS_WALKABLE(element) ? EP_WALKABLE :
5843      IS_PASSABLE(element) ? EP_PASSABLE :
5844      custom_element.access_type);
5845   custom_element.access_layer =
5846     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
5847      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
5848      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
5849      custom_element.access_layer);
5850   custom_element.access_protected =
5851     (IS_PROTECTED(element) ? 1 : 0);
5852   custom_element_properties[EP_ACCESSIBLE] =
5853     (IS_ACCESSIBLE_OVER(element) ||
5854      IS_ACCESSIBLE_INSIDE(element) ||
5855      IS_ACCESSIBLE_UNDER(element));
5856
5857   /* set walk-to-object action selectbox help value */
5858   custom_element.walk_to_action =
5859     (IS_DIGGABLE(element) ? EP_DIGGABLE :
5860      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
5861      IS_DROPPABLE(element) ? EP_DROPPABLE :
5862      IS_THROWABLE(element) ? EP_THROWABLE :
5863      IS_PUSHABLE(element) ? EP_PUSHABLE :
5864      custom_element.walk_to_action);
5865   custom_element_properties[EP_WALK_TO_OBJECT] =
5866     (IS_DIGGABLE(element) ||
5867      IS_COLLECTIBLE_ONLY(element) ||
5868      IS_DROPPABLE(element) ||
5869      IS_THROWABLE(element) ||
5870      IS_PUSHABLE(element));
5871
5872   /* set smash targets selectbox help value */
5873   custom_element.smash_targets =
5874     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
5875      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
5876      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
5877      custom_element.smash_targets);
5878   custom_element_properties[EP_CAN_SMASH] =
5879     (CAN_SMASH_EVERYTHING(element) ||
5880      CAN_SMASH_ENEMIES(element) ||
5881      CAN_SMASH_PLAYER(element));
5882
5883   /* set deadliness selectbox help value */
5884   custom_element.deadliness =
5885     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
5886      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
5887      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
5888      custom_element.deadliness);
5889   custom_element_properties[EP_DEADLY] =
5890     (DONT_TOUCH(element) ||
5891      DONT_COLLIDE_WITH(element) ||
5892      DONT_RUN_INTO(element));
5893
5894 #if 0
5895   /* set explosion type selectbox help value */
5896   custom_element.explosion_type =
5897     (
5898 #if 0
5899      IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
5900 #endif
5901      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
5902      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
5903      CAN_EXPLODE_CROSS(element) ? EP_CAN_EXPLODE_CROSS :
5904      custom_element.explosion_type);
5905   custom_element_properties[EP_CAN_EXPLODE_AT_ALL] =
5906     (
5907 #if 0
5908      IS_INDESTRUCTIBLE(element) ||
5909 #endif
5910      CAN_EXPLODE_1X1(element) ||
5911      CAN_EXPLODE_3X3(element) ||
5912      CAN_EXPLODE_CROSS(element));
5913 #endif
5914
5915 #if 0
5916   /* special case: sub-settings dependent from main setting */
5917 #if 0
5918   custom_element.can_explode_by_fire = CAN_EXPLODE_BY_FIRE(element);
5919   custom_element.can_explode_smashed = CAN_EXPLODE_SMASHED(element);
5920   custom_element.can_explode_impact  = CAN_EXPLODE_IMPACT(element);
5921 #else
5922   if (CAN_EXPLODE_BY_FIRE(element))
5923     custom_element.can_explode_by_fire = TRUE;
5924   if (CAN_EXPLODE_SMASHED(element))
5925     custom_element.can_explode_smashed = TRUE;
5926   if (CAN_EXPLODE_IMPACT(element))
5927     custom_element.can_explode_impact  = TRUE;
5928 #endif
5929 #endif
5930
5931   /* ---------- element settings: advanced (custom elements) --------------- */
5932
5933   /* set "change by direct action" selectbox help value */
5934   custom_element_change.direct_action =
5935     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
5936      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
5937      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
5938      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
5939      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
5940      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
5941      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
5942      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
5943      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
5944      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
5945      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
5946      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
5947      custom_element_change.direct_action);
5948
5949   /* set "change by other element action" selectbox help value */
5950   custom_element_change.other_action =
5951     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
5952      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
5953      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
5954      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
5955      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
5956      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
5957      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
5958      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
5959      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
5960      HAS_CHANGE_EVENT(element, CE_OTHER_IS_HITTING) ? CE_OTHER_IS_HITTING :
5961      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_HIT) ? CE_OTHER_GETS_HIT :
5962      HAS_CHANGE_EVENT(element, CE_OTHER_IS_SWITCHING) ? CE_OTHER_IS_SWITCHING :
5963      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
5964      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
5965      custom_element_change.other_action);
5966 }
5967
5968 static void CopyGroupElementPropertiesToEditor(int element)
5969 {
5970   group_element_info = *element_info[element].group;
5971   custom_element = element_info[element];       /* needed for description */
5972 }
5973
5974 static void CopyClassicElementPropertiesToEditor(int element)
5975 {
5976 #if 1
5977   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
5978     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
5979       getMoveIntoAcidProperty(&level, element);
5980
5981   if (MAYBE_DONT_COLLIDE_WITH(element))
5982     custom_element_properties[EP_DONT_COLLIDE_WITH] =
5983       getDontCollideWithProperty(&level, element);
5984 #else
5985
5986   if (COULD_MOVE_INTO_ACID(element))
5987   {
5988     int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
5989
5990     if (bit_nr > -1)
5991       custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
5992         ((level.can_move_into_acid_bits & (1 << bit_nr)) != 0);
5993   }
5994 #endif
5995 }
5996
5997 static void CopyElementPropertiesToEditor(int element)
5998 {
5999   if (IS_CUSTOM_ELEMENT(element))
6000     CopyCustomElementPropertiesToEditor(element);
6001   else if (IS_GROUP_ELEMENT(element))
6002     CopyGroupElementPropertiesToEditor(element);
6003   else
6004     CopyClassicElementPropertiesToEditor(element);
6005 }
6006
6007 static void CopyCustomElementPropertiesToGame(int element)
6008 {
6009   int i;
6010   int access_type_and_layer;
6011 #if 0
6012   boolean can_explode;
6013 #endif
6014
6015   /* mark that this custom element has been modified */
6016   custom_element.modified_settings = TRUE;
6017   level.changed = TRUE;
6018
6019   if (level.use_custom_template)
6020   {
6021     if (Request("Copy and modify level template ?", REQ_ASK))
6022     {
6023       level.use_custom_template = FALSE;
6024       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
6025                    GDI_CHECKED, FALSE, GDI_END);
6026     }
6027     else
6028     {
6029       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
6030
6031       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
6032     }
6033   }
6034
6035   element_info[element] = custom_element;
6036   *element_info[element].change = custom_element_change;
6037
6038   /* ---------- element settings: configure (custom elements) ------------- */
6039
6040   /* set accessible property from checkbox and selectbox */
6041   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
6042   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
6043   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
6044   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
6045   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
6046   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
6047   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
6048                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
6049                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
6050   custom_element_properties[access_type_and_layer] =
6051     custom_element_properties[EP_ACCESSIBLE];
6052   custom_element_properties[EP_PROTECTED] =
6053     (custom_element.access_protected != 0 &&
6054      custom_element_properties[EP_ACCESSIBLE]);
6055
6056   /* set walk-to-object property from checkbox and selectbox */
6057   custom_element_properties[EP_DIGGABLE] = FALSE;
6058   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
6059   custom_element_properties[EP_DROPPABLE] = FALSE;
6060   custom_element_properties[EP_THROWABLE] = FALSE;
6061   custom_element_properties[EP_PUSHABLE] = FALSE;
6062   custom_element_properties[custom_element.walk_to_action] =
6063     custom_element_properties[EP_WALK_TO_OBJECT];
6064
6065   /* set smash property from checkbox and selectbox */
6066   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
6067   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
6068   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
6069   custom_element_properties[custom_element.smash_targets] =
6070     custom_element_properties[EP_CAN_SMASH];
6071
6072   /* set deadliness property from checkbox and selectbox */
6073   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
6074   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
6075   custom_element_properties[EP_DONT_TOUCH] = FALSE;
6076   custom_element_properties[custom_element.deadliness] =
6077     custom_element_properties[EP_DEADLY];
6078
6079 #if 0
6080   /* set explosion type property from checkbox and selectbox */
6081 #if 0
6082   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
6083 #endif
6084   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
6085   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
6086   custom_element_properties[EP_CAN_EXPLODE_CROSS] = FALSE;
6087   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
6088   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
6089   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
6090   custom_element_properties[custom_element.explosion_type] =
6091     custom_element_properties[EP_CAN_EXPLODE_AT_ALL];
6092 #endif
6093
6094 #if 0
6095   /* special case: sub-settings dependent from main setting */
6096 #if 0
6097   can_explode = (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
6098                  custom_element_properties[EP_CAN_EXPLODE_3X3] ||
6099                  custom_element_properties[EP_CAN_EXPLODE_CROSS]);
6100   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
6101     (can_explode && custom_element.can_explode_by_fire);
6102   custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
6103     (can_explode && custom_element.can_explode_smashed);
6104   custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
6105     (can_explode && custom_element.can_explode_impact);
6106 #else
6107   if (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
6108       custom_element_properties[EP_CAN_EXPLODE_3X3] ||
6109       custom_element_properties[EP_CAN_EXPLODE_CROSS])
6110   {
6111     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
6112       custom_element.can_explode_by_fire;
6113     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
6114       custom_element.can_explode_smashed;
6115     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
6116       custom_element.can_explode_impact;
6117   }
6118 #endif
6119 #endif
6120
6121   /* ---------- element settings: advanced (custom elements) --------------- */
6122
6123   /* set player change event from checkbox and selectbox */
6124   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
6125   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
6126   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
6127   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
6128   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
6129   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
6130   custom_element_change_events[CE_SWITCHED] = FALSE;
6131   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
6132   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
6133   custom_element_change_events[CE_BLOCKED] = FALSE;
6134   custom_element_change_events[CE_IMPACT] = FALSE;
6135   custom_element_change_events[CE_SMASHED] = FALSE;
6136   custom_element_change_events[custom_element_change.direct_action] =
6137     custom_element_change_events[CE_BY_DIRECT_ACTION];
6138
6139   /* set other element action change event from checkbox and selectbox */
6140   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
6141   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
6142   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
6143   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
6144   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
6145   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
6146   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
6147   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
6148   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
6149   custom_element_change_events[CE_OTHER_IS_HITTING] = FALSE;
6150   custom_element_change_events[CE_OTHER_GETS_HIT] = FALSE;
6151   custom_element_change_events[CE_OTHER_IS_SWITCHING] = FALSE;
6152   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
6153   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
6154   custom_element_change_events[custom_element_change.other_action] =
6155     custom_element_change_events[CE_BY_OTHER_ACTION];
6156
6157   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
6158     SET_PROPERTY(element, i, custom_element_properties[i]);
6159
6160   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
6161     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
6162
6163   /* copy change events also to special level editor variable */
6164   custom_element = element_info[element];
6165   custom_element_change = *element_info[element].change;
6166 }
6167
6168 static void CopyGroupElementPropertiesToGame(int element)
6169 {
6170   element_info[element] = custom_element;
6171   *element_info[element].group = group_element_info;
6172
6173   /* mark that this group element has been modified */
6174   element_info[element].modified_settings = TRUE;
6175   level.changed = TRUE;
6176 }
6177
6178 static void CopyClassicElementPropertiesToGame(int element)
6179 {
6180 #if 1
6181   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
6182     setMoveIntoAcidProperty(&level, element,
6183                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
6184
6185   if (MAYBE_DONT_COLLIDE_WITH(element))
6186     setDontCollideWithProperty(&level, element,
6187                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
6188 #else
6189
6190   if (COULD_MOVE_INTO_ACID(element))
6191   {
6192     int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
6193
6194     if (bit_nr > -1)
6195     {
6196       level.can_move_into_acid_bits &= ~(1 << bit_nr);
6197
6198       if (custom_element_properties[EP_CAN_MOVE_INTO_ACID])
6199         level.can_move_into_acid_bits |= (1 << bit_nr);
6200     }
6201   }
6202 #endif
6203 }
6204
6205 static void CopyElementPropertiesToGame(int element)
6206 {
6207   if (IS_CUSTOM_ELEMENT(element))
6208     CopyCustomElementPropertiesToGame(element);
6209   else if (IS_GROUP_ELEMENT(element))
6210     CopyGroupElementPropertiesToGame(element);
6211   else
6212     CopyClassicElementPropertiesToGame(element);
6213 }
6214
6215 void DrawLevelEd()
6216 {
6217   CloseDoor(DOOR_CLOSE_ALL);
6218   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
6219
6220   if (level_editor_test_game)
6221   {
6222     CopyPlayfield(level.field, Feld);
6223     CopyPlayfield(FieldBackup, level.field);
6224
6225     level_editor_test_game = FALSE;
6226   }
6227   else
6228   {
6229     edit_mode = ED_MODE_DRAWING;
6230     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
6231
6232     ResetUndoBuffer();
6233
6234     level_xpos = -1;
6235     level_ypos = -1;
6236   }
6237
6238   /* copy default editor door content to main double buffer */
6239   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
6240              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
6241
6242 #if 0
6243   /* draw mouse button brush elements */
6244   RedrawDrawingElements();
6245 #endif
6246
6247   /* draw bigger door */
6248   DrawSpecialEditorDoor();
6249
6250   /* draw new control window */
6251   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
6252              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
6253
6254   redraw_mask |= REDRAW_ALL;
6255
6256   ReinitializeElementListButtons();     /* custom element may look different */
6257 #if 0
6258   ModifyEditorElementList();            /* may be needed for custom elements */
6259 #endif
6260
6261   UnmapTapeButtons();
6262   MapControlButtons();
6263
6264   DrawEditModeWindow();
6265
6266   /* copy actual editor door content to door double buffer for OpenDoor() */
6267   BlitBitmap(drawto, bitmap_db_door,
6268              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6269
6270   OpenDoor(DOOR_OPEN_1);
6271 }
6272
6273 static void AdjustDrawingAreaGadgets()
6274 {
6275   int ed_xsize = lev_fieldx + 2;
6276   int ed_ysize = lev_fieldy + 2;
6277   int max_ed_fieldx = MAX_ED_FIELDX;
6278   int max_ed_fieldy = MAX_ED_FIELDY;
6279   boolean horizontal_scrollbar_needed;
6280   boolean vertical_scrollbar_needed;
6281   int x, y, width, height;
6282   int xoffset, yoffset;
6283
6284   /* check if we need any scrollbars */
6285   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
6286   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
6287
6288   /* check if we have a smaller editor field because of scrollbars */
6289   if (horizontal_scrollbar_needed)
6290     max_ed_fieldy = MAX_ED_FIELDY - 1;
6291   if (vertical_scrollbar_needed)
6292     max_ed_fieldx = MAX_ED_FIELDX - 1;
6293
6294   /* check again if we now need more scrollbars because of less space */
6295   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
6296   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
6297
6298   /* check if editor field gets even smaller after adding new scrollbars */
6299   if (horizontal_scrollbar_needed)
6300     max_ed_fieldy = MAX_ED_FIELDY - 1;
6301   if (vertical_scrollbar_needed)
6302     max_ed_fieldx = MAX_ED_FIELDX - 1;
6303
6304   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
6305   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
6306
6307   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
6308                GDI_WIDTH, ed_fieldx * MINI_TILEX,
6309                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
6310                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
6311                GDI_END);
6312
6313   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
6314   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
6315
6316   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
6317   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
6318
6319   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
6320   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
6321
6322   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
6323   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
6324
6325   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6326                GDI_WIDTH, width,
6327                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
6328                GDI_END);
6329   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6330                GDI_HEIGHT, height,
6331                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
6332                GDI_END);
6333 }
6334
6335 static void AdjustLevelScrollPosition()
6336 {
6337   if (level_xpos < -1)
6338     level_xpos = -1;
6339   if (level_xpos > lev_fieldx - ed_fieldx + 1)
6340     level_xpos = lev_fieldx - ed_fieldx + 1;
6341   if (lev_fieldx < ed_fieldx - 2)
6342     level_xpos = -1;
6343
6344   if (level_ypos < -1)
6345     level_ypos = -1;
6346   if (level_ypos > lev_fieldy - ed_fieldy + 1)
6347     level_ypos = lev_fieldy - ed_fieldy + 1;
6348   if (lev_fieldy < ed_fieldy - 2)
6349     level_ypos = -1;
6350 }
6351
6352 static void AdjustEditorScrollbar(int id)
6353 {
6354   struct GadgetInfo *gi = level_editor_gadget[id];
6355   int items_max, items_visible, item_position;
6356
6357   if (id == GADGET_ID_SCROLL_HORIZONTAL)
6358   {
6359     items_max = MAX(lev_fieldx + 2, ed_fieldx);
6360     items_visible = ed_fieldx;
6361     item_position = level_xpos + 1;
6362   }
6363   else
6364   {
6365     items_max = MAX(lev_fieldy + 2, ed_fieldy);
6366     items_visible = ed_fieldy;
6367     item_position = level_ypos + 1;
6368   }
6369
6370   if (item_position > items_max - items_visible)
6371     item_position = items_max - items_visible;
6372
6373   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
6374                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
6375 }
6376
6377 static void ModifyEditorCounter(int counter_id, int new_value)
6378 {
6379   int *counter_value = counterbutton_info[counter_id].value;
6380   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
6381   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6382
6383   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
6384
6385   if (counter_value != NULL)
6386     *counter_value = gi->textinput.number_value;
6387 }
6388
6389 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
6390 {
6391   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
6392   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6393
6394   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
6395 }
6396
6397 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
6398 {
6399   int gadget_id = selectbox_info[selectbox_id].gadget_id;
6400   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6401   int new_index_value = setSelectboxValue(selectbox_id, new_value);
6402
6403   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
6404 }
6405
6406 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
6407 {
6408   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
6409   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6410
6411   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
6412 }
6413
6414 static void ModifyEditorElementList()
6415 {
6416   int i;
6417
6418   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6419   {
6420     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
6421     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6422     struct GadgetDesign *gd = &gi->deco.design;
6423     int element = editor_elements[element_shift + i];
6424
6425     UnmapGadget(gi);
6426     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
6427     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
6428     MapGadget(gi);
6429   }
6430 }
6431
6432 static void PickDrawingElement(int button, int element)
6433 {
6434   if (button < 1 || button > 3)
6435     return;
6436
6437   if (button == 1)
6438   {
6439     new_element1 = element;
6440     DrawMiniGraphicExt(drawto,
6441                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
6442                        el2edimg(new_element1));
6443   }
6444   else if (button == 2)
6445   {
6446     new_element2 = element;
6447     DrawMiniGraphicExt(drawto,
6448                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
6449                        el2edimg(new_element2));
6450   }
6451   else
6452   {
6453     new_element3 = element;
6454     DrawMiniGraphicExt(drawto,
6455                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
6456                        el2edimg(new_element3));
6457   }
6458
6459   redraw_mask |= REDRAW_DOOR_1;
6460 }
6461
6462 static void RedrawDrawingElements()
6463 {
6464   PickDrawingElement(1, new_element1);
6465   PickDrawingElement(2, new_element2);
6466   PickDrawingElement(3, new_element3);
6467 }
6468
6469 static void DrawDrawingWindow()
6470 {
6471   stick_element_properties_window = FALSE;
6472
6473   SetMainBackgroundImage(IMG_UNDEFINED);
6474   ClearWindow();
6475
6476   UnmapLevelEditorWindowGadgets();
6477   UnmapLevelEditorToolboxCustomGadgets();
6478
6479   AdjustDrawingAreaGadgets();
6480   AdjustLevelScrollPosition();
6481   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
6482   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
6483
6484   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6485
6486   MapMainDrawingArea();
6487   MapLevelEditorToolboxDrawingGadgets();
6488 }
6489
6490 static void DrawLevelInfoWindow()
6491 {
6492   int i;
6493
6494   stick_element_properties_window = FALSE;
6495
6496   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
6497   ClearWindow();
6498   UnmapLevelEditorWindowGadgets();
6499
6500   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
6501            "Level Settings", FONT_TITLE_1);
6502   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
6503            "Editor Settings", FONT_TITLE_1);
6504
6505   /* draw counter gadgets */
6506   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
6507     MapCounterButtons(i);
6508
6509   /* draw selectbox gadgets */
6510   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
6511     MapSelectboxGadget(i);
6512
6513   /* draw checkbutton gadgets */
6514   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i <= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
6515     MapCheckbuttonGadget(i);
6516
6517   /* draw radiobutton gadgets */
6518   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i <= ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
6519     MapRadiobuttonGadget(i);
6520
6521   /* draw text input gadgets */
6522   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
6523     MapTextInputGadget(i);
6524
6525   /* draw drawing area */
6526   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
6527 }
6528
6529 static void DrawCustomContentArea()
6530 {
6531   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
6532   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6533   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
6534   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
6535   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
6536   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
6537
6538   /* add distance for potential left text (without drawing area border) */
6539   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
6540
6541   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
6542
6543   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
6544 }
6545
6546 static void DrawCustomChangeContentArea()
6547 {
6548   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
6549   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6550   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
6551   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
6552   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
6553   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
6554
6555   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
6556
6557   MapDrawingArea(id);
6558 }
6559
6560 static void DrawElementContentAreas()
6561 {
6562   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
6563   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
6564   int i;
6565
6566   /* display counter to choose number of element content areas */
6567   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
6568
6569   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6570   {
6571     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
6572     int font_height = getFontHeight(FONT_TEXT_1);
6573
6574     if (i < level.num_yamyam_contents)
6575       MapDrawingArea(id);
6576     else
6577     {
6578       UnmapDrawingArea(id);
6579
6580       /* delete content areas in case of reducing number of them */
6581       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
6582                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
6583                      4 * MINI_TILEX,
6584                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
6585     }
6586   }
6587
6588   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
6589   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
6590   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
6591 }
6592
6593 static void DrawGroupElementArea(int element)
6594 {
6595   int num_elements = group_element_info.num_elements;
6596   int id = ED_DRAWING_ID_GROUP_CONTENT;
6597   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
6598   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
6599   int xsize = MAX_ELEMENTS_IN_GROUP;
6600   int ysize = 1;
6601
6602   if (drawingarea_info[id].text_left != NULL)
6603     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6604
6605   UnmapDrawingArea(id);
6606
6607   ModifyEditorDrawingArea(id, num_elements, 1);
6608
6609   /* delete content areas in case of reducing number of them */
6610   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
6611
6612   MapDrawingArea(id);
6613 }
6614
6615 static void DrawEnvelopeTextArea(int envelope_nr)
6616 {
6617   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
6618   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6619
6620   UnmapGadget(gi);
6621   DrawBackground(gi->x, gi->y, gi->width, gi->height);
6622
6623   if (envelope_nr != -1)
6624     textarea_info[id].value = level.envelope_text[envelope_nr];
6625
6626   ModifyGadget(gi, GDI_AREA_SIZE,
6627                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
6628                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
6629                GDI_END);
6630
6631   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
6632 }
6633
6634 char *getElementDescriptionFilename(int element)
6635 {
6636   char *docs_dir = options.docs_directory;
6637   char *elements_subdir = "elements";
6638   static char *filename = NULL;
6639   char basename[MAX_FILENAME_LEN];
6640
6641   checked_free(filename);
6642
6643   /* 1st try: look for element description file for exactly this element */
6644   sprintf(basename, "%s.txt", element_info[element].token_name);
6645   filename = getPath3(docs_dir, elements_subdir, basename);
6646   if (fileExists(filename))
6647     return filename;
6648
6649   free(filename);
6650
6651   /* 2nd try: look for element description file for this element's class */
6652   sprintf(basename, "%s.txt", element_info[element].class_name);
6653   filename = getPath3(docs_dir, elements_subdir, basename);
6654   if (fileExists(filename))
6655     return filename;
6656
6657   return NULL;
6658 }
6659
6660 static boolean PrintInfoText(char *text, int font_nr, int start_line)
6661 {
6662   int font_height = getFontHeight(font_nr);
6663   int pad_x = ED_SETTINGS_XPOS(0);
6664   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6665   int sx = SX + pad_x;
6666   int sy = SY + pad_y;
6667   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6668
6669   if (start_line >= max_lines_per_screen)
6670     return FALSE;
6671
6672   DrawText(sx, sy + start_line * font_height, text, font_nr);
6673
6674   return TRUE;
6675 }
6676
6677 #if 1
6678
6679 static int PrintElementDescriptionFromFile(char *filename, int start_line)
6680 {
6681   int font_nr = FONT_TEXT_2;
6682   int font_width = getFontWidth(font_nr);
6683   int font_height = getFontHeight(font_nr);
6684   int pad_x = ED_SETTINGS_XPOS(0);
6685   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6686   int sx = SX + pad_x;
6687   int sy = SY + pad_y + start_line * font_height;
6688   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
6689   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6690
6691   return DrawTextFromFile(sx, sy, filename, font_nr, max_chars_per_line,
6692                           max_lines_per_screen);
6693 }
6694
6695 #else
6696
6697 static int PrintElementDescriptionFromFile(char *filename, int start_line)
6698 {
6699   int font_nr = FONT_TEXT_2;
6700   int font_width = getFontWidth(font_nr);
6701   int font_height = getFontHeight(font_nr);
6702   int pad_x = ED_SETTINGS_XPOS(0);
6703   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6704   int sx = SX + pad_x;
6705   int sy = SY + pad_y;
6706   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
6707   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6708   int current_line = start_line;
6709   char line[MAX_LINE_LEN];
6710   char buffer[max_chars_per_line + 1];
6711   int buffer_len;
6712   FILE *file;
6713
6714   if (current_line >= max_lines_per_screen)
6715     return 0;
6716
6717   if (filename == NULL)
6718     return 0;
6719
6720   if (!(file = fopen(filename, MODE_READ)))
6721     return 0;
6722
6723   buffer[0] = '\0';
6724   buffer_len = 0;
6725
6726   while (!feof(file) && current_line < max_lines_per_screen)
6727   {
6728     char *line_ptr;
6729     boolean last_line_was_empty = TRUE;
6730
6731     /* read next line of input file */
6732     if (!fgets(line, MAX_LINE_LEN, file))
6733       break;
6734
6735     /* skip comments (lines directly beginning with '#') */
6736     if (line[0] == '#')
6737       continue;
6738
6739     /* cut trailing newline from input line */
6740     for (line_ptr = line; *line_ptr; line_ptr++)
6741     {
6742       if (*line_ptr == '\n' || *line_ptr == '\r')
6743       {
6744         *line_ptr = '\0';
6745         break;
6746       }
6747     }
6748
6749     if (strlen(line) == 0)              /* special case: force empty line */
6750       strcpy(line, "\n");
6751
6752     line_ptr = line;
6753
6754     while (*line_ptr && current_line < max_lines_per_screen)
6755     {
6756       boolean buffer_filled = RenderLineToBuffer(&line_ptr,
6757                                                  buffer, &buffer_len,
6758                                                  last_line_was_empty,
6759                                                  max_chars_per_line);
6760       if (buffer_filled)
6761       {
6762         DrawText(sx, sy + current_line * font_height, buffer, font_nr);
6763         current_line++;
6764
6765         last_line_was_empty = (buffer_len == 0);
6766
6767         buffer[0] = '\0';
6768         buffer_len = 0;
6769       }
6770     }
6771   }
6772
6773   fclose(file);
6774
6775   if (buffer_len > 0 && current_line < max_lines_per_screen)
6776   {
6777     DrawText(sx, sy + current_line * font_height, buffer, font_nr);
6778     current_line++;
6779   }
6780
6781   return (current_line - start_line);
6782 }
6783
6784 #endif
6785
6786 static void DrawPropertiesTabulatorGadgets()
6787 {
6788   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
6789   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
6790   int gd_x = gd->x + gd_gi->border.width / 2;
6791   int gd_y = gd->y + gd_gi->height - 1;
6792   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
6793   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
6794   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
6795   int max_tabs = 4;
6796   int i;
6797
6798   /* draw additional "advanced" tabulator for custom elements */
6799   if (IS_CUSTOM_ELEMENT(properties_element))
6800     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
6801
6802   for (i = id_first; i <= id_last; i++)
6803   {
6804     int gadget_id = textbutton_info[i].gadget_id;
6805     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6806     boolean active = (i != edit_mode_properties);
6807
6808     /* use "config 1" and "config 2" instead of "config" */
6809     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
6810         IS_CUSTOM_ELEMENT(properties_element))
6811       continue;
6812
6813     /* draw background line below tabulator button */
6814     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
6815
6816     /* draw solid line below inactive tabulator buttons */
6817     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
6818       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
6819
6820     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
6821     MapTextbuttonGadget(i);
6822   }
6823
6824   /* draw little border line below tabulator buttons */
6825   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
6826     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
6827                   max_tabs * gd_gi->width + (max_tabs -1) * ED_GADGET_DISTANCE,
6828                   ED_GADGET_DISTANCE, tab_color);
6829 }
6830
6831 static void DrawPropertiesInfo()
6832 {
6833   static struct
6834   {
6835     int value;
6836     char *text;
6837   }
6838   properties[] =
6839   {
6840     /* configurable properties */
6841
6842     { EP_WALKABLE_OVER,         "- player can walk over it"             },
6843     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
6844     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
6845     { EP_PASSABLE_OVER,         "- player can pass over it"             },
6846     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
6847     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
6848     { EP_PROTECTED,             "- player is protected by it"           },
6849
6850     { EP_DIGGABLE,              "- can be digged away"                  },
6851     { EP_COLLECTIBLE,           "- can be collected"                    },
6852     { EP_DROPPABLE,             "- can be dropped after collecting"     },
6853     { EP_THROWABLE,             "- can be thrown after collecting"      },
6854     { EP_PUSHABLE,              "- can be pushed"                       },
6855
6856     { EP_CAN_FALL,              "- can fall"                            },
6857     { EP_CAN_MOVE,              "- can move"                            },
6858
6859     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
6860 #if 0
6861     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
6862 #endif
6863     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
6864
6865     { EP_SLIPPERY,              "- slippery for falling elements"       },
6866     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
6867
6868     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
6869     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
6870     { EP_DONT_TOUCH,            "- deadly when touching"                },
6871
6872     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
6873
6874     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
6875     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
6876     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
6877
6878     { EP_CAN_CHANGE,            "- can change to other element"         },
6879
6880     /* pre-defined properties */
6881     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
6882     { EP_SWITCHABLE,            "- can be switched"                     },
6883     { EP_HAS_CONTENT,           "- can contain other elements"          },
6884
6885     { -1,                       NULL                                    }
6886   };
6887   char *filename = getElementDescriptionFilename(properties_element);
6888   char *percentage_text = "In this level:";
6889   char *properties_text = "Standard properties:";
6890   float percentage;
6891   int num_elements_in_level;
6892   int num_standard_properties = 0;
6893   int font1_nr = FONT_TEXT_1;
6894   int font2_nr = FONT_TEXT_2;
6895   int font1_width = getFontWidth(font1_nr);
6896   int font2_height = getFontHeight(font2_nr);
6897   int pad_x = ED_SETTINGS_XPOS(0);
6898   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6899   int screen_line = 0;
6900   int i, x, y;
6901
6902 #if DEBUG
6903   if (IS_CUSTOM_ELEMENT(properties_element))
6904   {
6905     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6906               "[Custom Element %d]", properties_element - EL_CUSTOM_START + 1);
6907     screen_line++;
6908   }
6909   else if (IS_GROUP_ELEMENT(properties_element))
6910   {
6911     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6912               "[Group Element %d]", properties_element - EL_GROUP_START + 1);
6913     screen_line++;
6914   }
6915 #endif
6916
6917   /* ----- print number of elements / percentage of this element in level */
6918
6919   num_elements_in_level = 0;
6920   for (y = 0; y < lev_fieldy; y++)
6921     for (x = 0; x < lev_fieldx; x++)
6922       if (Feld[x][y] == properties_element)
6923         num_elements_in_level++;
6924   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
6925
6926   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
6927             percentage_text);
6928   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
6929             pad_y + screen_line++ * font2_height, font2_nr,
6930             "%d (%.2f%%)", num_elements_in_level, percentage);
6931
6932   screen_line++;
6933
6934   /* ----- print standard properties of this element */
6935
6936   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
6937             properties_text);
6938
6939   for (i = 0; properties[i].value != -1; i++)
6940   {
6941     if (!HAS_PROPERTY(properties_element, properties[i].value))
6942       continue;
6943
6944     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
6945               properties[i].text);
6946     num_standard_properties++;
6947   }
6948
6949   if (num_standard_properties == 0)
6950     DrawTextS(pad_x + strlen(properties_text) * font1_width,
6951               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
6952
6953   screen_line++;
6954
6955   /* ----- print special description of this element */
6956
6957   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
6958   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
6959     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
6960 }
6961
6962 #define TEXT_COLLECTING         "Score for collecting"
6963 #define TEXT_SMASHING           "Score for smashing"
6964 #define TEXT_CRACKING           "Score for cracking"
6965 #define TEXT_SPEED              "Speed of amoeba growth"
6966 #define TEXT_DURATION           "Duration when activated"
6967
6968 static struct
6969 {
6970   int element;
6971   int *value;
6972   char *text;
6973 } elements_with_counter[] =
6974 {
6975   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
6976   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
6977   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6978   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6979   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6980   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6981   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
6982   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
6983   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
6984   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
6985   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
6986   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
6987   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
6988   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
6989   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
6990   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
6991   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
6992   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
6993   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
6994   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
6995   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6996   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6997   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6998   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6999   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7000   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7001   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7002   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7003   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7004   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7005   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7006   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7007   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7008   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
7009   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
7010   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
7011   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
7012   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
7013   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
7014   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
7015   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
7016   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
7017   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
7018   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
7019   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
7020   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
7021   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
7022   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
7023   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
7024   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
7025   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
7026 #if 1
7027   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
7028   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
7029   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
7030   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
7031 #else
7032   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
7033   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
7034   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
7035   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
7036 #endif
7037   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
7038   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
7039   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
7040   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
7041   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
7042   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
7043   { -1,                 NULL,                           NULL            }
7044 };
7045
7046 static boolean checkPropertiesConfig(int element)
7047 {
7048   int i;
7049
7050   if (IS_GEM(element) ||
7051       IS_CUSTOM_ELEMENT(element) ||
7052       IS_GROUP_ELEMENT(element) ||
7053       IS_ENVELOPE(element) ||
7054       ELEM_IS_PLAYER(element) ||
7055       HAS_CONTENT(element) ||
7056       CAN_GROW(element) ||
7057       COULD_MOVE_INTO_ACID(element) ||
7058       MAYBE_DONT_COLLIDE_WITH(element))
7059     return TRUE;
7060   else
7061     for (i = 0; elements_with_counter[i].element != -1; i++)
7062       if (elements_with_counter[i].element == element)
7063         return TRUE;
7064
7065   return FALSE;
7066 }
7067
7068 static void DrawPropertiesConfig()
7069 {
7070   int i;
7071
7072   if (!checkPropertiesConfig(properties_element))
7073   {
7074     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
7075
7076     return;
7077   }
7078
7079   /* check if there are elements where a score can be chosen for */
7080   for (i = 0; elements_with_counter[i].element != -1; i++)
7081   {
7082     if (elements_with_counter[i].element == properties_element)
7083     {
7084       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
7085
7086       counterbutton_info[counter_id].y =
7087         ED_SETTINGS_YPOS((HAS_CONTENT(properties_element) ? 1 : 0) +
7088                          (CAN_GROW(properties_element) ? 1 : 0) +
7089                          (COULD_MOVE_INTO_ACID(properties_element) ? 1 : 0) +
7090                          (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 :0));
7091
7092       counterbutton_info[counter_id].value = elements_with_counter[i].value;
7093       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
7094
7095       MapCounterButtons(counter_id);
7096
7097       break;
7098     }
7099   }
7100
7101   if (HAS_CONTENT(properties_element))
7102   {
7103     /* draw stickybutton gadget */
7104     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7105
7106     if (IS_AMOEBOID(properties_element))
7107       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
7108     else
7109       DrawElementContentAreas();
7110   }
7111
7112   if (ELEM_IS_PLAYER(properties_element))
7113   {
7114     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
7115     MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
7116                          ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
7117                          ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
7118     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
7119     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
7120   }
7121
7122   if (IS_GEM(properties_element))
7123     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
7124
7125   if (COULD_MOVE_INTO_ACID(properties_element) &&
7126       !ELEM_IS_PLAYER(properties_element) &&
7127       (!IS_CUSTOM_ELEMENT(properties_element) ||
7128        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
7129   {
7130     /* set position for checkbutton for "can move into acid" */
7131     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
7132       ED_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
7133     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
7134       ED_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
7135                        HAS_CONTENT(properties_element) ? 1 : 0);
7136
7137     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
7138   }
7139
7140   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
7141     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
7142
7143   if (properties_element == EL_SPRING)
7144     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
7145
7146   if (CAN_GROW(properties_element))
7147   {
7148     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
7149       ED_SETTINGS_YPOS(HAS_CONTENT(properties_element) ? 1 : 0);
7150
7151     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
7152   }
7153
7154   if (IS_ENVELOPE(properties_element))
7155   {
7156     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
7157     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
7158     int envelope_nr = properties_element - EL_ENVELOPE_1;
7159
7160     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
7161     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
7162
7163     /* display counter to choose size of envelope text area */
7164     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
7165     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
7166
7167     DrawEnvelopeTextArea(envelope_nr);
7168   }
7169
7170   if (IS_CUSTOM_ELEMENT(properties_element))
7171   {
7172     /* draw stickybutton gadget */
7173     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7174
7175     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
7176     {
7177       /* draw checkbutton gadgets */
7178       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
7179            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
7180         MapCheckbuttonGadget(i);
7181
7182       /* draw counter gadgets */
7183       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
7184            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
7185         MapCounterButtons(i);
7186
7187       /* draw selectbox gadgets */
7188       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
7189            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
7190         MapSelectboxGadget(i);
7191
7192       /* draw textbutton gadgets */
7193       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
7194
7195       /* draw text input gadgets */
7196       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
7197
7198       /* draw drawing area gadgets */
7199       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
7200     }
7201     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
7202     {
7203       /* draw checkbutton gadgets */
7204       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
7205            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
7206         MapCheckbuttonGadget(i);
7207
7208       /* draw counter gadgets */
7209       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
7210            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
7211         MapCounterButtons(i);
7212
7213       /* draw selectbox gadgets */
7214       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
7215            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
7216         MapSelectboxGadget(i);
7217
7218       /* draw drawing area gadgets */
7219       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
7220       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
7221       DrawCustomContentArea();
7222     }
7223   }
7224   else if (IS_GROUP_ELEMENT(properties_element))
7225   {
7226     /* draw stickybutton gadget */
7227     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7228
7229     /* draw checkbutton gadgets */
7230     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
7231     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
7232
7233     /* draw counter gadgets */
7234     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
7235
7236     /* draw selectbox gadgets */
7237     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
7238
7239     /* draw textbutton gadgets */
7240     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
7241
7242     /* draw drawing area gadgets */
7243     DrawGroupElementArea(properties_element);
7244
7245     /* draw text input gadgets */
7246     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
7247
7248     /* draw drawing area gadgets */
7249     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
7250   }
7251 }
7252
7253 static void DrawPropertiesChangeDrawingAreas()
7254 {
7255   if (IS_CUSTOM_ELEMENT(properties_element))
7256   {
7257     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
7258     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
7259
7260     DrawCustomChangeContentArea();
7261   }
7262
7263   redraw_mask |= REDRAW_FIELD;
7264 }
7265
7266 static void DrawPropertiesChange()
7267 {
7268   int i;
7269
7270   /* draw stickybutton gadget */
7271   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
7272
7273   /* draw checkbutton gadgets */
7274   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
7275        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
7276     MapCheckbuttonGadget(i);
7277
7278   /* draw counter gadgets */
7279   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
7280        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
7281     MapCounterButtons(i);
7282
7283   /* draw selectbox gadgets */
7284   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
7285        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
7286     MapSelectboxGadget(i);
7287
7288   /* draw textbutton gadgets */
7289   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
7290        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
7291     MapTextbuttonGadget(i);
7292
7293   /* draw graphicbutton gadgets */
7294   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
7295        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
7296     MapGraphicbuttonGadget(i);
7297
7298   /* draw drawing area gadgets */
7299   DrawPropertiesChangeDrawingAreas();
7300 }
7301
7302 static void DrawElementName(int x, int y, int element)
7303 {
7304   char *element_name = getElementInfoText(element);
7305   int font_nr = FONT_TEXT_1;
7306   int font_width = getFontWidth(font_nr);
7307   int font_height = getFontHeight(font_nr);
7308   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
7309   int max_chars_per_line = max_text_width / font_width;
7310   char buffer[max_chars_per_line + 1];
7311
7312   if (strlen(element_name) <= max_chars_per_line)
7313     DrawTextS(x, y, font_nr, element_name);
7314   else
7315   {
7316     int next_pos = max_chars_per_line;
7317
7318     strncpy(buffer, element_name, max_chars_per_line);
7319     buffer[max_chars_per_line] = '\0';
7320
7321     if (element_name[max_chars_per_line] == ' ')
7322       next_pos++;
7323     else
7324     {
7325       int i;
7326
7327       for (i = max_chars_per_line - 1; i >= 0; i--)
7328         if (buffer[i] == ' ')
7329           break;
7330
7331       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
7332       {
7333         buffer[i] = '\0';
7334         next_pos = i + 1;
7335       }
7336     }
7337
7338     DrawTextS(x, y - font_height / 2, font_nr, buffer);
7339
7340     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
7341     buffer[max_chars_per_line] = '\0';
7342
7343     DrawTextS(x, y + font_height / 2, font_nr, buffer);
7344   }
7345 }
7346
7347 static void DrawPropertiesWindow()
7348 {
7349   int xstart = 2;
7350   int ystart = 4;
7351
7352   stick_element_properties_window = FALSE;
7353
7354   /* make sure that previous properties edit mode exists for this element */
7355   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
7356       !IS_CUSTOM_ELEMENT(properties_element))
7357     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
7358
7359   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
7360       IS_CUSTOM_ELEMENT(properties_element))
7361     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
7362
7363   CopyElementPropertiesToEditor(properties_element);
7364
7365   UnmapLevelEditorWindowGadgets();
7366   UnmapLevelEditorToolboxDrawingGadgets();
7367   UnmapLevelEditorToolboxCustomGadgets();
7368
7369   if (IS_CUSTOM_ELEMENT(properties_element) ||
7370       IS_GROUP_ELEMENT(properties_element))
7371     MapLevelEditorToolboxCustomGadgets();
7372
7373   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7374   ClearWindow();
7375
7376   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7377            "Element Settings", FONT_TITLE_1);
7378
7379   DrawElementBorder(SX + xstart * MINI_TILEX,
7380                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
7381                     TILEX, TILEY, FALSE);
7382   DrawGraphicAnimationExt(drawto,
7383                           SX + xstart * MINI_TILEX,
7384                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
7385                           el2img(properties_element), -1, NO_MASKING);
7386
7387   FrameCounter = 0;     /* restart animation frame counter */
7388
7389   DrawElementName((xstart + 3) * MINI_TILEX + 1, (ystart + 1) * MINI_TILEY + 1,
7390                   properties_element);
7391
7392   DrawPropertiesTabulatorGadgets();
7393
7394   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
7395     DrawPropertiesInfo();
7396   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
7397     DrawPropertiesChange();
7398   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
7399     DrawPropertiesConfig();
7400 }
7401
7402 static void UpdateCustomElementGraphicGadgets()
7403 {
7404   int i;
7405
7406   ModifyEditorElementList();
7407   RedrawDrawingElements();
7408
7409   /* force redraw of all mapped drawing area gadgets */
7410   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7411   {
7412     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
7413
7414     if (gi->mapped)
7415       MapDrawingArea(i);
7416   }
7417 }
7418
7419 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
7420 {
7421   int lx = sx + level_xpos;
7422   int ly = sy + level_ypos;
7423
7424   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
7425
7426   if (change_level)
7427     Feld[lx][ly] = element;
7428 }
7429
7430 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
7431                      int element, boolean change_level)
7432 {
7433   if (from_y == to_y)                   /* horizontal line */
7434   {
7435     int x;
7436     int y = from_y;
7437
7438     if (from_x > to_x)
7439       swap_numbers(&from_x, &to_x);
7440
7441     for (x = from_x; x <= to_x; x++)
7442       DrawLineElement(x, y, element, change_level);
7443   }
7444   else if (from_x == to_x)              /* vertical line */
7445   {
7446     int x = from_x;
7447     int y;
7448
7449     if (from_y > to_y)
7450       swap_numbers(&from_y, &to_y);
7451
7452     for (y = from_y; y <= to_y; y++)
7453       DrawLineElement(x, y, element, change_level);
7454   }
7455   else                                  /* diagonal line */
7456   {
7457     int len_x = ABS(to_x - from_x);
7458     int len_y = ABS(to_y - from_y);
7459     int x, y;
7460
7461     if (len_y < len_x)                  /* a < 1 */
7462     {
7463       float a = (float)len_y / (float)len_x;
7464
7465       if (from_x > to_x)
7466         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
7467
7468       for (x = 0; x <= len_x; x++)
7469       {
7470         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
7471         DrawLineElement(from_x + x, from_y + y, element, change_level);
7472       }
7473     }
7474     else                                /* a >= 1 */
7475     {
7476       float a = (float)len_x / (float)len_y;
7477
7478       if (from_y > to_y)
7479         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
7480
7481       for (y = 0; y <= len_y; y++)
7482       {
7483         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
7484         DrawLineElement(from_x + x, from_y + y, element, change_level);
7485       }
7486     }
7487   }
7488 }
7489
7490 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
7491                     int element, boolean change_level)
7492 {
7493   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
7494   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
7495   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
7496   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
7497 }
7498
7499 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
7500                           int element, boolean change_level)
7501 {
7502   int y;
7503
7504   if (from_y > to_y)
7505     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
7506
7507   for (y = from_y; y <= to_y; y++)
7508     DrawLine(from_x, y, to_x, y, element, change_level);
7509 }
7510
7511 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
7512                        int element, boolean change_level)
7513 {
7514   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
7515   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
7516   int len_x = ABS(to_x - from_x);
7517   int len_y = ABS(to_y - from_y);
7518   int radius, x, y;
7519
7520   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
7521
7522   /* not optimal (some points get drawn twice) but simple,
7523      and fast enough for the few points we are drawing */
7524
7525   for (x = 0; x <= radius; x++)
7526   {
7527     int sx, sy, lx, ly;
7528
7529     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
7530
7531     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
7532     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
7533     lx = sx + level_xpos;
7534     ly = sy + level_ypos;
7535
7536     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7537       DrawLineElement(sx, sy, element, change_level);
7538   }
7539
7540   for (y = 0; y <= radius; y++)
7541   {
7542     int sx, sy, lx, ly;
7543
7544     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
7545
7546     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
7547     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
7548     lx = sx + level_xpos;
7549     ly = sy + level_ypos;
7550
7551     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7552       DrawLineElement(sx, sy, element, change_level);
7553   }
7554 }
7555
7556 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
7557                     int element, boolean change_level)
7558 {
7559   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
7560   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
7561
7562   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
7563 }
7564
7565 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
7566 #if DRAW_CIRCLES_BUTTON_AVAILABLE
7567 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
7568                        int element, boolean change_level)
7569 {
7570   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
7571   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
7572   int mirror_to_x2 = from_x - (to_x2 - from_x);
7573   int mirror_to_y2 = from_y - (to_y2 - from_y);
7574
7575   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
7576   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
7577   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
7578   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
7579 }
7580 #endif
7581
7582 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
7583 {
7584   int from_sx, from_sy;
7585   int to_sx, to_sy;
7586
7587   if (from_x > to_x)
7588     swap_numbers(&from_x, &to_x);
7589
7590   if (from_y > to_y)
7591     swap_numbers(&from_y, &to_y);
7592
7593   from_sx = SX + from_x * MINI_TILEX;
7594   from_sy = SY + from_y * MINI_TILEY;
7595   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
7596   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
7597
7598   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
7599   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
7600   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
7601   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
7602
7603   if (from_x == to_x && from_y == to_y)
7604     MarkTileDirty(from_x/2, from_y/2);
7605   else
7606     redraw_mask |= REDRAW_FIELD;
7607 }
7608
7609 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
7610                        int element, boolean change_level)
7611 {
7612   if (element == -1 || change_level)
7613     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
7614   else
7615     DrawAreaBorder(from_x, from_y, to_x, to_y);
7616 }
7617
7618 /* values for CopyBrushExt() */
7619 #define CB_AREA_TO_BRUSH        0
7620 #define CB_BRUSH_TO_CURSOR      1
7621 #define CB_BRUSH_TO_LEVEL       2
7622 #define CB_DELETE_OLD_CURSOR    3
7623 #define CB_DUMP_BRUSH           4
7624
7625 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
7626                          int button, int mode)
7627 {
7628   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
7629   static int brush_width, brush_height;
7630   static int last_cursor_x = -1, last_cursor_y = -1;
7631   static boolean delete_old_brush;
7632   int new_element = BUTTON_ELEMENT(button);
7633   int x, y;
7634
7635   if (mode == CB_DUMP_BRUSH)
7636   {
7637     if (!draw_with_brush)
7638     {
7639       Error(ERR_WARN, "no brush selected");
7640
7641       return;
7642     }
7643
7644     for (y = 0; y < brush_height; y++)
7645     {
7646       for (x = 0; x < brush_width; x++)
7647       {
7648         int element = brush_buffer[x][y];
7649         int element_mapped = element;
7650
7651 #if 0
7652         char *element_string = "?";
7653         int k;
7654
7655         for (k = 0; forum_sketch_element_mapping[k].element != -1; k++)
7656         {
7657           if (forum_sketch_element_mapping[k].element == element)
7658           {
7659             element_mapped = forum_sketch_element_mapping[k].element_mapped;
7660             break;
7661           }
7662         }
7663
7664         if (IS_CUSTOM_ELEMENT(element))
7665           element_mapped = EL_CUSTOM_1;
7666
7667         for (k = 0; forum_sketch_element_strings[k].element != -1; k++)
7668         {
7669           if (forum_sketch_element_strings[k].element == element_mapped)
7670           {
7671             element_string = forum_sketch_element_strings[k].element_string;
7672             break;
7673           }
7674         }
7675
7676         printf("`%s", element_string);
7677
7678 #else
7679
7680         if (IS_CUSTOM_ELEMENT(element))
7681           element_mapped = EL_CUSTOM_START;
7682         else if (element > EL_ENVELOPE_4)
7683           element_mapped = EL_CHAR_QUESTION;    /* change to EL_UNKNOWN ... */
7684
7685         printf("`%03d", element_mapped);
7686 #endif
7687       }
7688
7689       printf("\n");
7690     }
7691
7692     return;
7693   }
7694
7695   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
7696     return;
7697
7698   if (mode == CB_AREA_TO_BRUSH)
7699   {
7700     int from_lx, from_ly;
7701
7702     if (from_x > to_x)
7703       swap_numbers(&from_x, &to_x);
7704
7705     if (from_y > to_y)
7706       swap_numbers(&from_y, &to_y);
7707
7708     brush_width = to_x - from_x + 1;
7709     brush_height = to_y - from_y + 1;
7710
7711     from_lx = from_x + level_xpos;
7712     from_ly = from_y + level_ypos;
7713
7714     for (y = 0; y < brush_height; y++)
7715     {
7716       for (x=0; x < brush_width; x++)
7717       {
7718         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
7719
7720         if (button != 1)
7721           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
7722       }
7723     }
7724
7725     if (button != 1)
7726       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7727
7728     delete_old_brush = FALSE;
7729   }
7730   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
7731            mode == CB_BRUSH_TO_LEVEL)
7732   {
7733     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
7734     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
7735     int cursor_from_x = cursor_x - brush_width / 2;
7736     int cursor_from_y = cursor_y - brush_height / 2;
7737     int border_from_x = cursor_x, border_from_y = cursor_y;
7738     int border_to_x = cursor_x, border_to_y = cursor_y;
7739
7740     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
7741       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
7742
7743     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
7744         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
7745     {
7746       delete_old_brush = FALSE;
7747       return;
7748     }
7749
7750     for (y = 0; y < brush_height; y++)
7751     {
7752       for (x = 0; x < brush_width; x++)
7753       {
7754         int sx = cursor_from_x + x;
7755         int sy = cursor_from_y + y;
7756         int lx = sx + level_xpos;
7757         int ly = sy + level_ypos;
7758         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
7759         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
7760                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
7761                        brush_buffer[x][y] : new_element);
7762
7763         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7764         {
7765           if (sx < border_from_x)
7766             border_from_x = sx;
7767           else if (sx > border_to_x)
7768             border_to_x = sx;
7769           if (sy < border_from_y)
7770             border_from_y = sy;
7771           else if (sy > border_to_y)
7772             border_to_y = sy;
7773
7774           DrawLineElement(sx, sy, element, change_level);
7775         }
7776       }
7777     }
7778
7779     if (mode != CB_DELETE_OLD_CURSOR)
7780       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
7781
7782     last_cursor_x = cursor_x;
7783     last_cursor_y = cursor_y;
7784     delete_old_brush = TRUE;
7785   }
7786 }
7787
7788 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
7789                             int button)
7790 {
7791   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
7792 }
7793
7794 static void CopyBrushToLevel(int x, int y, int button)
7795 {
7796   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
7797 }
7798
7799 static void CopyBrushToCursor(int x, int y)
7800 {
7801   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
7802 }
7803
7804 static void DeleteBrushFromCursor()
7805 {
7806   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
7807 }
7808
7809 void DumpBrush()
7810 {
7811   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
7812 }
7813
7814 static void FloodFill(int from_x, int from_y, int fill_element)
7815 {
7816   int i,x,y;
7817   int old_element;
7818   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
7819   static int safety = 0;
7820
7821   /* check if starting field still has the desired content */
7822   if (Feld[from_x][from_y] == fill_element)
7823     return;
7824
7825   safety++;
7826
7827   if (safety > lev_fieldx*lev_fieldy)
7828     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
7829
7830   old_element = Feld[from_x][from_y];
7831   Feld[from_x][from_y] = fill_element;
7832
7833   for (i = 0; i < 4; i++)
7834   {
7835     x = from_x + check[i][0];
7836     y = from_y + check[i][1];
7837
7838     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
7839       FloodFill(x, y, fill_element);
7840   }
7841
7842   safety--;
7843 }
7844
7845 /* values for DrawLevelText() modes */
7846 #define TEXT_INIT               0
7847 #define TEXT_SETCURSOR          1
7848 #define TEXT_WRITECHAR          2
7849 #define TEXT_BACKSPACE          3
7850 #define TEXT_NEWLINE            4
7851 #define TEXT_END                5
7852 #define TEXT_QUERY_TYPING       6
7853
7854 static int DrawLevelText(int sx, int sy, char letter, int mode)
7855 {
7856   static short delete_buffer[MAX_LEV_FIELDX];
7857   static int start_sx, start_sy;
7858   static int last_sx, last_sy;
7859   static boolean typing = FALSE;
7860   int letter_element = EL_CHAR_ASCII0 + letter;
7861   int lx = 0, ly = 0;
7862
7863   /* map lower case letters to upper case and convert special characters */
7864   if (letter >= 'a' && letter <= 'z')
7865     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
7866   else if (letter == 'ä' || letter == 'Ä')
7867     letter_element = EL_CHAR_AUMLAUT;
7868   else if (letter == 'ö' || letter == 'Ö')
7869     letter_element = EL_CHAR_OUMLAUT;
7870   else if (letter == 'ü' || letter == 'Ü')
7871     letter_element = EL_CHAR_UUMLAUT;
7872   else if (letter == '^')
7873     letter_element = EL_CHAR_COPYRIGHT;
7874   else
7875     letter_element = EL_CHAR_ASCII0 + letter;
7876
7877   if (mode != TEXT_INIT)
7878   {
7879     if (!typing)
7880       return FALSE;
7881
7882     if (mode != TEXT_SETCURSOR)
7883     {
7884       sx = last_sx;
7885       sy = last_sy;
7886     }
7887
7888     lx = last_sx + level_xpos;
7889     ly = last_sy + level_ypos;
7890   }
7891
7892   switch (mode)
7893   {
7894     case TEXT_INIT:
7895       if (typing)
7896         DrawLevelText(0, 0, 0, TEXT_END);
7897
7898       typing = TRUE;
7899       start_sx = last_sx = sx;
7900       start_sy = last_sy = sy;
7901       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
7902       break;
7903
7904     case TEXT_SETCURSOR:
7905       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
7906       DrawAreaBorder(sx, sy, sx, sy);
7907       last_sx = sx;
7908       last_sy = sy;
7909       break;
7910
7911     case TEXT_WRITECHAR:
7912       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
7913       {
7914         delete_buffer[sx - start_sx] = Feld[lx][ly];
7915         Feld[lx][ly] = letter_element;
7916
7917         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
7918           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
7919         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
7920           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
7921         else
7922           DrawLevelText(0, 0, 0, TEXT_END);
7923
7924         level.changed = TRUE;
7925       }
7926       break;
7927
7928     case TEXT_BACKSPACE:
7929       if (sx > start_sx)
7930       {
7931         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
7932         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
7933         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
7934       }
7935       break;
7936
7937     case TEXT_NEWLINE:
7938       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
7939         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
7940       else
7941         DrawLevelText(0, 0, 0, TEXT_END);
7942       break;
7943
7944     case TEXT_END:
7945       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7946       DrawMiniElement(sx, sy, Feld[lx][ly]);
7947       typing = FALSE;
7948       break;
7949
7950     case TEXT_QUERY_TYPING:
7951       break;
7952
7953     default:
7954       break;
7955   }
7956
7957   return typing;
7958 }
7959
7960 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
7961                           int element, boolean change_level)
7962 {
7963   int lx = sx + level_xpos;
7964   int ly = sy + level_ypos;
7965
7966   if (element == -1)
7967     DrawMiniElement(sx, sy, Feld[lx][ly]);
7968   else
7969     DrawAreaBorder(sx, sy, sx, sy);
7970 }
7971
7972 static void CopyLevelToUndoBuffer(int mode)
7973 {
7974   static boolean accumulated_undo = FALSE;
7975   boolean new_undo_buffer_position = TRUE;
7976   int last_border_element;
7977   int x, y;
7978
7979   switch (mode)
7980   {
7981     case UNDO_IMMEDIATE:
7982       accumulated_undo = FALSE;
7983       break;
7984
7985     case UNDO_ACCUMULATE:
7986       if (accumulated_undo)
7987         new_undo_buffer_position = FALSE;
7988       accumulated_undo = TRUE;
7989       break;
7990
7991     default:
7992       break;
7993   }
7994
7995   if (new_undo_buffer_position)
7996   {
7997     /* new position in undo buffer ring */
7998     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
7999
8000     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
8001       undo_buffer_steps++;
8002   }
8003
8004   for (x = 0; x < lev_fieldx; x++)
8005     for (y = 0; y < lev_fieldy; y++)
8006       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
8007
8008   /* check if drawing operation forces change of border style */
8009   last_border_element = BorderElement;
8010   SetBorderElement();
8011   if (BorderElement != last_border_element)
8012     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8013
8014   level.changed = TRUE;
8015 }
8016
8017 static void RandomPlacement(int new_element)
8018 {
8019   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
8020   int num_free_positions = 0;
8021   int num_percentage, num_elements;
8022   int x, y;
8023
8024   /* determine number of free positions for randomly placing the new element */
8025   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
8026   {
8027     free_position[x][y] =
8028       (random_placement_background_restricted ?
8029        Feld[x][y] == random_placement_background_element :
8030        Feld[x][y] != new_element);
8031
8032     if (free_position[x][y])
8033       num_free_positions++;
8034   }
8035
8036   /* determine number of new elements to place there */
8037   num_percentage = num_free_positions * random_placement_value / 100;
8038   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
8039                   num_percentage : random_placement_value);
8040
8041   /* if less free positions than elements to place, fill all these positions */
8042   if (num_free_positions < num_elements)
8043   {
8044     for (x = 0; x < lev_fieldx; x++)
8045       for (y = 0; y < lev_fieldy; y++)
8046         if (free_position[x][y])
8047           Feld[x][y] = new_element;
8048   }
8049   else
8050   {
8051     while (num_elements > 0)
8052     {
8053       x = RND(lev_fieldx);
8054       y = RND(lev_fieldy);
8055
8056       /* don't place element at the same position twice */
8057       if (free_position[x][y])
8058       {
8059         free_position[x][y] = FALSE;
8060         Feld[x][y] = new_element;
8061         num_elements--;
8062       }
8063     }
8064   }
8065
8066   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8067   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8068 }
8069
8070 void WrapLevel(int dx, int dy)
8071 {
8072   int wrap_dx = lev_fieldx - dx;
8073   int wrap_dy = lev_fieldy - dy;
8074   int x, y;
8075
8076   for (x = 0; x < lev_fieldx; x++)
8077     for (y = 0; y < lev_fieldy; y++)
8078       FieldBackup[x][y] = Feld[x][y];
8079
8080   for (x = 0; x < lev_fieldx; x++)
8081     for (y = 0; y < lev_fieldy; y++)
8082       Feld[x][y] =
8083         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
8084
8085   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8086   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
8087 }
8088
8089 static void HandleDrawingAreas(struct GadgetInfo *gi)
8090 {
8091   static boolean started_inside_drawing_area = FALSE;
8092   int id = gi->custom_id;
8093   boolean button_press_event;
8094   boolean button_release_event;
8095   boolean inside_drawing_area = !gi->event.off_borders;
8096   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
8097   int actual_drawing_function;
8098   int button = gi->event.button;
8099   int new_element = BUTTON_ELEMENT(button);
8100   int sx = gi->event.x, sy = gi->event.y;
8101   int min_sx = 0, min_sy = 0;
8102   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
8103   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
8104   int lx = 0, ly = 0;
8105   int min_lx = 0, min_ly = 0;
8106   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
8107   int x, y;
8108
8109   /* handle info callback for each invocation of action callback */
8110   gi->callback_info(gi);
8111
8112   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
8113   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
8114
8115   /* make sure to stay inside drawing area boundaries */
8116   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
8117   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
8118
8119   if (draw_level)
8120   {
8121     /* get positions inside level field */
8122     lx = sx + level_xpos;
8123     ly = sy + level_ypos;
8124
8125     if (!IN_LEV_FIELD(lx, ly))
8126       inside_drawing_area = FALSE;
8127
8128     /* make sure to stay inside level field boundaries */
8129     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
8130     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
8131
8132     /* correct drawing area positions accordingly */
8133     sx = lx - level_xpos;
8134     sy = ly - level_ypos;
8135   }
8136
8137   if (button_press_event)
8138     started_inside_drawing_area = inside_drawing_area;
8139
8140   if (!started_inside_drawing_area)
8141     return;
8142
8143   if (!button && !button_release_event)
8144     return;
8145
8146   /* automatically switch to 'single item' drawing mode, if needed */
8147   actual_drawing_function =
8148     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
8149      drawing_function : GADGET_ID_SINGLE_ITEMS);
8150
8151   /* clicking into drawing area with pressed Control key picks element */
8152   if (GetKeyModState() & KMOD_Control)
8153   {
8154     last_drawing_function = drawing_function;
8155     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
8156   }
8157
8158   switch (actual_drawing_function)
8159   {
8160     case GADGET_ID_SINGLE_ITEMS:
8161       if (draw_level)
8162       {
8163         if (button_release_event)
8164         {
8165           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8166
8167           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
8168               !inside_drawing_area)
8169             DeleteBrushFromCursor();
8170         }
8171
8172         if (!button)
8173           break;
8174
8175         if (draw_with_brush)
8176         {
8177           if (!button_release_event)
8178             CopyBrushToLevel(sx, sy, button);
8179         }
8180         else if (new_element != Feld[lx][ly])
8181         {
8182           if (new_element == EL_PLAYER_1)
8183           {
8184             /* remove player at old position */
8185             for (y = 0; y < lev_fieldy; y++)
8186             {
8187               for (x = 0; x < lev_fieldx; x++)
8188               {
8189                 if (Feld[x][y] == EL_PLAYER_1)
8190                 {
8191                   Feld[x][y] = EL_EMPTY;
8192                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
8193                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
8194                     DrawMiniElement(x - level_xpos, y - level_ypos,
8195                                     EL_EMPTY);
8196                 }
8197               }
8198             }
8199           }
8200
8201           Feld[lx][ly] = new_element;
8202           DrawMiniElement(sx, sy, new_element);
8203         }
8204       }
8205       else
8206       {
8207         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
8208           DrawMiniGraphicExt(drawto,
8209                              gi->x + sx * MINI_TILEX,
8210                              gi->y + sy * MINI_TILEY,
8211                              el2edimg(new_element));
8212         else
8213           DrawGraphicExt(drawto,
8214                          gi->x + sx * TILEX,
8215                          gi->y + sy * TILEY,
8216                          el2img(new_element), 0);
8217
8218         if (id == GADGET_ID_AMOEBA_CONTENT)
8219           level.amoeba_content = new_element;
8220         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8221         {
8222           new_element = GFX_ELEMENT(new_element);
8223           custom_element.gfx_element = new_element;
8224
8225           CopyElementPropertiesToGame(properties_element);
8226
8227           UpdateCustomElementGraphicGadgets();
8228
8229           FrameCounter = 0;     /* restart animation frame counter */
8230         }
8231         else if (id == GADGET_ID_CUSTOM_CONTENT)
8232         {
8233           custom_element.content[sx][sy] = new_element;
8234
8235           CopyCustomElementPropertiesToGame(properties_element);
8236         }
8237         else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8238         {
8239           custom_element.move_enter_element = new_element;
8240
8241           CopyCustomElementPropertiesToGame(properties_element);
8242         }
8243         else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8244         {
8245           custom_element.move_leave_element = new_element;
8246
8247           CopyCustomElementPropertiesToGame(properties_element);
8248         }
8249         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8250         {
8251           custom_element_change.target_element = new_element;
8252
8253           CopyCustomElementPropertiesToGame(properties_element);
8254         }
8255         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8256         {
8257           custom_element_change.target_content[sx][sy] = new_element;
8258
8259           CopyCustomElementPropertiesToGame(properties_element);
8260         }
8261         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8262         {
8263           custom_element_change.trigger_element = new_element;
8264
8265           CopyCustomElementPropertiesToGame(properties_element);
8266         }
8267         else if (id == GADGET_ID_GROUP_CONTENT)
8268         {
8269           group_element_info.element[sx] = new_element;
8270
8271           CopyGroupElementPropertiesToGame(properties_element);
8272         }
8273         else if (id == GADGET_ID_RANDOM_BACKGROUND)
8274           random_placement_background_element = new_element;
8275         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8276                  id <= GADGET_ID_ELEMENT_CONTENT_7)
8277           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
8278             new_element;
8279       }
8280       break;
8281
8282     case GADGET_ID_CONNECTED_ITEMS:
8283       {
8284         static int last_sx = -1;
8285         static int last_sy = -1;
8286
8287         if (button_release_event)
8288           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8289
8290         if (button)
8291         {
8292           if (!button_press_event)
8293             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
8294
8295           last_sx = sx;
8296           last_sy = sy;
8297         }
8298       }
8299       break;
8300
8301     case GADGET_ID_LINE:
8302     case GADGET_ID_ARC:
8303     case GADGET_ID_RECTANGLE:
8304     case GADGET_ID_FILLED_BOX:
8305     case GADGET_ID_GRAB_BRUSH:
8306     case GADGET_ID_TEXT:
8307       {
8308         static int last_sx = -1;
8309         static int last_sy = -1;
8310         static int start_sx = -1;
8311         static int start_sy = -1;
8312         void (*draw_func)(int, int, int, int, int, boolean);
8313
8314         if (drawing_function == GADGET_ID_LINE)
8315           draw_func = DrawLine;
8316         else if (drawing_function == GADGET_ID_ARC)
8317           draw_func = DrawArc;
8318         else if (drawing_function == GADGET_ID_RECTANGLE)
8319           draw_func = DrawBox;
8320         else if (drawing_function == GADGET_ID_FILLED_BOX)
8321           draw_func = DrawFilledBox;
8322         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
8323           draw_func = SelectArea;
8324         else /* (drawing_function == GADGET_ID_TEXT) */
8325           draw_func = SetTextCursor;
8326
8327         if (button_press_event)
8328         {
8329           draw_func(sx, sy, sx, sy, new_element, FALSE);
8330           start_sx = last_sx = sx;
8331           start_sy = last_sy = sy;
8332
8333           if (drawing_function == GADGET_ID_TEXT)
8334             DrawLevelText(0, 0, 0, TEXT_END);
8335         }
8336         else if (button_release_event)
8337         {
8338           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
8339           if (drawing_function == GADGET_ID_GRAB_BRUSH)
8340           {
8341             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
8342             CopyBrushToCursor(sx, sy);
8343             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
8344                           MB_LEFTBUTTON);
8345             draw_with_brush = TRUE;
8346           }
8347           else if (drawing_function == GADGET_ID_TEXT)
8348             DrawLevelText(sx, sy, 0, TEXT_INIT);
8349           else
8350             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8351         }
8352         else if (last_sx != sx || last_sy != sy)
8353         {
8354           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
8355           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
8356           last_sx = sx;
8357           last_sy = sy;
8358         }
8359       }
8360       break;
8361
8362     case GADGET_ID_FLOOD_FILL:
8363       if (button_press_event && Feld[lx][ly] != new_element)
8364       {
8365         FloodFill(lx, ly, new_element);
8366         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8367         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8368       }
8369       break;
8370
8371     case GADGET_ID_PICK_ELEMENT:
8372       if (button_release_event)
8373         ClickOnGadget(level_editor_gadget[last_drawing_function],
8374                       MB_LEFTBUTTON);
8375       else if (draw_level)
8376         PickDrawingElement(button, Feld[lx][ly]);
8377       else if (id == GADGET_ID_AMOEBA_CONTENT)
8378         PickDrawingElement(button, level.amoeba_content);
8379       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8380         PickDrawingElement(button, custom_element.gfx_element);
8381       else if (id == GADGET_ID_CUSTOM_CONTENT)
8382         PickDrawingElement(button, custom_element.content[sx][sy]);
8383       else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8384         PickDrawingElement(button, custom_element.move_enter_element);
8385       else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8386         PickDrawingElement(button, custom_element.move_leave_element);
8387       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8388         PickDrawingElement(button, custom_element_change.target_element);
8389       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8390         PickDrawingElement(button, custom_element_change.target_content[sx][sy]);
8391       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8392         PickDrawingElement(button, custom_element_change.trigger_element);
8393       else if (id == GADGET_ID_GROUP_CONTENT)
8394         PickDrawingElement(button, group_element_info.element[sx]);
8395       else if (id == GADGET_ID_RANDOM_BACKGROUND)
8396         PickDrawingElement(button, random_placement_background_element);
8397       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8398                id <= GADGET_ID_ELEMENT_CONTENT_7)
8399       {
8400         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
8401
8402         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
8403       }
8404
8405       break;
8406
8407     default:
8408       break;
8409   }
8410 }
8411
8412 static void HandleCounterButtons(struct GadgetInfo *gi)
8413 {
8414   int gadget_id = gi->custom_id;
8415   int counter_id = gi->custom_type_id;
8416   int button = gi->event.button;
8417   int *counter_value = counterbutton_info[counter_id].value;
8418   int step = BUTTON_STEPSIZE(button) *
8419     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
8420
8421   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
8422   {
8423     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
8424     boolean released = (gi->event.type == GD_EVENT_RELEASED);
8425     boolean level_changed = LevelChanged();
8426
8427     if ((level_changed && pressed) || (!level_changed && released))
8428       return;
8429
8430     if (level_changed && !Request("Level has changed! Discard changes ?",
8431                                   REQ_ASK))
8432     {
8433       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
8434         ModifyEditorCounter(counter_id, *counter_value);
8435
8436       return;
8437     }
8438   }
8439
8440   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
8441     *counter_value = gi->textinput.number_value;
8442   else
8443     ModifyEditorCounter(counter_id, *counter_value + step);
8444
8445   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
8446   {
8447       LoadLevel(level_nr);
8448       TapeErase();
8449       ResetUndoBuffer();
8450       DrawEditModeWindow();
8451
8452       return;
8453   }
8454
8455   switch (counter_id)
8456   {
8457     case ED_COUNTER_ID_ELEMENT_CONTENT:
8458       DrawElementContentAreas();
8459       break;
8460
8461     case ED_COUNTER_ID_GROUP_CONTENT:
8462       DrawGroupElementArea(properties_element);
8463       CopyGroupElementPropertiesToGame(properties_element);
8464       break;
8465
8466     case ED_COUNTER_ID_ENVELOPE_XSIZE:
8467     case ED_COUNTER_ID_ENVELOPE_YSIZE:
8468       DrawEnvelopeTextArea(-1);
8469       break;
8470
8471     case ED_COUNTER_ID_LEVEL_XSIZE:
8472     case ED_COUNTER_ID_LEVEL_YSIZE:
8473       lev_fieldx = level.fieldx;
8474       lev_fieldy = level.fieldy;
8475       break;
8476
8477     default:
8478       break;
8479   }
8480
8481   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
8482        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
8483       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
8484        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
8485     CopyElementPropertiesToGame(properties_element);
8486
8487   level.changed = TRUE;
8488 }
8489
8490 static void HandleTextInputGadgets(struct GadgetInfo *gi)
8491 {
8492   int type_id = gi->custom_type_id;
8493
8494   strcpy(textinput_info[type_id].value, gi->textinput.value);
8495
8496   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
8497   {
8498     CopyElementPropertiesToGame(properties_element);
8499
8500     ModifyEditorElementList();  /* update changed button info text */
8501   }
8502
8503   level.changed = TRUE;
8504 }
8505
8506 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
8507 {
8508   int type_id = gi->custom_type_id;
8509
8510   strcpy(textarea_info[type_id].value, gi->textarea.value);
8511
8512   level.changed = TRUE;
8513 }
8514
8515 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
8516 {
8517   int type_id = gi->custom_type_id;
8518
8519   *selectbox_info[type_id].value =
8520     selectbox_info[type_id].options[gi->selectbox.index].value;
8521
8522   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
8523   {
8524     element_info[properties_element].current_change_page = gi->selectbox.index;
8525
8526     DrawPropertiesWindow();
8527   }
8528   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
8529             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
8530            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
8531             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
8532            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
8533   {
8534     CopyElementPropertiesToGame(properties_element);
8535
8536     level.changed = TRUE;
8537   }
8538 }
8539
8540 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
8541 {
8542   int type_id = gi->custom_type_id;
8543   int i;
8544
8545   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
8546       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
8547   {
8548     edit_mode_properties = gi->custom_type_id;
8549
8550     DrawPropertiesWindow();
8551   }
8552   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
8553   {
8554     char *template_filename = getDefaultLevelFilename(-1);
8555     boolean new_template = !fileExists(template_filename);
8556
8557     if (new_template ||
8558         Request("Save this template and kill the old ?", REQ_ASK))
8559       SaveLevelTemplate();
8560
8561     if (new_template)
8562       Request("Template saved !", REQ_CONFIRM);
8563   }
8564   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
8565            custom_element.num_change_pages < MAX_CHANGE_PAGES)
8566   {
8567     struct ElementInfo *ei = &element_info[properties_element];
8568
8569     setElementChangePages(ei, ei->num_change_pages + 1);
8570
8571     /* set new change page to be new current change page */
8572     ei->current_change_page = ei->num_change_pages - 1;
8573     ei->change = &ei->change_page[ei->current_change_page];
8574
8575     setElementChangeInfoToDefaults(ei->change);
8576
8577     DrawPropertiesWindow();
8578
8579     level.changed = TRUE;
8580   }
8581   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8582            custom_element.num_change_pages > MIN_CHANGE_PAGES)
8583   {
8584     struct ElementInfo *ei = &element_info[properties_element];
8585
8586     /* copy all change pages after change page to be deleted */
8587     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
8588       ei->change_page[i] = ei->change_page[i + 1];
8589
8590     setElementChangePages(ei, ei->num_change_pages - 1);
8591
8592     DrawPropertiesWindow();
8593
8594     level.changed = TRUE;
8595   }
8596 }
8597
8598 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
8599 {
8600   int type_id = gi->custom_type_id;
8601
8602   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
8603       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
8604   {
8605     struct ElementInfo *ei = &element_info[properties_element];
8606     int step = BUTTON_STEPSIZE(gi->event.button);
8607
8608     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
8609     ei->current_change_page += step;
8610
8611     if (ei->current_change_page < 0)
8612       ei->current_change_page = 0;
8613     else if (ei->current_change_page >= ei->num_change_pages)
8614       ei->current_change_page = ei->num_change_pages - 1;
8615
8616     DrawPropertiesWindow();
8617   }
8618   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
8619            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
8620   {
8621     struct ElementInfo *ei = &element_info[properties_element];
8622     int current_change_page = ei->current_change_page;
8623
8624     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
8625       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
8626         ei->change_page[current_change_page];
8627     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
8628     {
8629       ei->change_page[current_change_page] =
8630         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
8631
8632       level.changed = TRUE;
8633     }
8634
8635     DrawPropertiesWindow();
8636   }
8637 }
8638
8639 static void HandleRadiobuttons(struct GadgetInfo *gi)
8640 {
8641   *radiobutton_info[gi->custom_type_id].value =
8642     radiobutton_info[gi->custom_type_id].checked_value;
8643
8644   level.changed = TRUE;
8645 }
8646
8647 static void HandleCheckbuttons(struct GadgetInfo *gi)
8648 {
8649   int type_id = gi->custom_type_id;
8650
8651   *checkbutton_info[type_id].value ^= TRUE;
8652
8653   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
8654       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
8655       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
8656       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
8657          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
8658         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
8659          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
8660        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
8661   {
8662     CopyElementPropertiesToGame(properties_element);
8663   }
8664
8665   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
8666   {
8667     UpdateCustomElementGraphicGadgets();
8668   }
8669   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
8670   {
8671     char *template_filename = getDefaultLevelFilename(-1);
8672
8673     if (level.use_custom_template && !fileExists(template_filename))
8674     {
8675       Request("No level template found !", REQ_CONFIRM);
8676
8677       level.use_custom_template = FALSE;
8678       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
8679
8680       return;
8681     }
8682
8683     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
8684
8685     DrawEditModeWindow();
8686   }
8687
8688   level.changed = TRUE;
8689 }
8690
8691 static void HandleControlButtons(struct GadgetInfo *gi)
8692 {
8693   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
8694   static int last_edit_mode = ED_MODE_DRAWING;
8695   static int last_custom_copy_mode = -1;
8696   int id = gi->custom_id;
8697   int button = gi->event.button;
8698   int step = BUTTON_STEPSIZE(button);
8699   int new_element = BUTTON_ELEMENT(button);
8700   int x, y;
8701
8702   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
8703     DrawLevelText(0, 0, 0, TEXT_END);
8704
8705   if (id < ED_NUM_CTRL1_BUTTONS &&
8706       id != GADGET_ID_SINGLE_ITEMS &&
8707       id != GADGET_ID_PROPERTIES &&
8708       id != GADGET_ID_PICK_ELEMENT &&
8709       edit_mode != ED_MODE_DRAWING &&
8710       drawing_function != GADGET_ID_PICK_ELEMENT &&
8711       !(GetKeyModState() & KMOD_Control))
8712   {
8713     DrawDrawingWindow();
8714     edit_mode = ED_MODE_DRAWING;
8715   }
8716
8717   /* element copy mode active, but no element button pressed => deactivate */
8718   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
8719     last_custom_copy_mode = -1;
8720
8721   switch (id)
8722   {
8723     case GADGET_ID_SCROLL_LEFT:
8724       if (level_xpos >= 0)
8725       {
8726         if (lev_fieldx < ed_fieldx - 2)
8727           break;
8728
8729         level_xpos -= step;
8730         if (level_xpos < -1)
8731           level_xpos = -1;
8732         if (button == 1)
8733           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
8734         else
8735           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8736
8737         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8738                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
8739       }
8740       break;
8741
8742     case GADGET_ID_SCROLL_RIGHT:
8743       if (level_xpos <= lev_fieldx - ed_fieldx)
8744       {
8745         if (lev_fieldx < ed_fieldx - 2)
8746           break;
8747
8748         level_xpos += step;
8749         if (level_xpos > lev_fieldx - ed_fieldx + 1)
8750           level_xpos = lev_fieldx - ed_fieldx + 1;
8751         if (button == 1)
8752           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
8753         else
8754           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8755
8756         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8757                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
8758       }
8759       break;
8760
8761     case GADGET_ID_SCROLL_UP:
8762       if (level_ypos >= 0)
8763       {
8764         if (lev_fieldy < ed_fieldy - 2)
8765           break;
8766
8767         level_ypos -= step;
8768         if (level_ypos < -1)
8769           level_ypos = -1;
8770         if (button == 1)
8771           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
8772         else
8773           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8774
8775         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8776                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
8777       }
8778       break;
8779
8780     case GADGET_ID_SCROLL_DOWN:
8781       if (level_ypos <= lev_fieldy - ed_fieldy)
8782       {
8783         if (lev_fieldy < ed_fieldy - 2)
8784           break;
8785
8786         level_ypos += step;
8787         if (level_ypos > lev_fieldy - ed_fieldy + 1)
8788           level_ypos = lev_fieldy - ed_fieldy + 1;
8789         if (button == 1)
8790           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
8791         else
8792           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8793
8794         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8795                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
8796       }
8797       break;
8798
8799     case GADGET_ID_SCROLL_HORIZONTAL:
8800       level_xpos = gi->event.item_position - 1;
8801       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8802       break;
8803
8804     case GADGET_ID_SCROLL_VERTICAL:
8805       level_ypos = gi->event.item_position - 1;
8806       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8807       break;
8808
8809     case GADGET_ID_SCROLL_LIST_UP:
8810     case GADGET_ID_SCROLL_LIST_DOWN:
8811     case GADGET_ID_SCROLL_LIST_VERTICAL:
8812       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
8813         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
8814       else
8815       {
8816         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
8817         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
8818
8819         if (element_shift < 0)
8820           element_shift = 0;
8821         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8822           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8823
8824         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
8825                      GDI_SCROLLBAR_ITEM_POSITION,
8826                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
8827       }
8828
8829       ModifyEditorElementList();
8830
8831       break;
8832
8833     case GADGET_ID_WRAP_LEFT:
8834       WrapLevel(-step, 0);
8835       break;
8836
8837     case GADGET_ID_WRAP_RIGHT:
8838       WrapLevel(step, 0);
8839       break;
8840
8841     case GADGET_ID_WRAP_UP:
8842       WrapLevel(0, -step);
8843       break;
8844
8845     case GADGET_ID_WRAP_DOWN:
8846       WrapLevel(0, step);
8847       break;
8848
8849     case GADGET_ID_SINGLE_ITEMS:
8850     case GADGET_ID_CONNECTED_ITEMS:
8851     case GADGET_ID_LINE:
8852     case GADGET_ID_ARC:
8853     case GADGET_ID_TEXT:
8854     case GADGET_ID_RECTANGLE:
8855     case GADGET_ID_FILLED_BOX:
8856     case GADGET_ID_FLOOD_FILL:
8857     case GADGET_ID_GRAB_BRUSH:
8858     case GADGET_ID_PICK_ELEMENT:
8859       if (drawing_function != GADGET_ID_PICK_ELEMENT)
8860         last_drawing_function = drawing_function;
8861       drawing_function = id;
8862       draw_with_brush = FALSE;
8863       break;
8864
8865     case GADGET_ID_RANDOM_PLACEMENT:
8866       RandomPlacement(new_element);
8867       break;
8868
8869     case GADGET_ID_PROPERTIES:
8870       if (edit_mode != ED_MODE_PROPERTIES)
8871       {
8872         properties_element = new_element;
8873         DrawPropertiesWindow();
8874         edit_mode = ED_MODE_PROPERTIES;
8875
8876         last_level_drawing_function = drawing_function;
8877         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
8878                       MB_LEFTBUTTON);
8879       }
8880       else
8881       {
8882         DrawDrawingWindow();
8883         edit_mode = ED_MODE_DRAWING;
8884
8885         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
8886                       MB_LEFTBUTTON);
8887       }
8888       break;
8889
8890     case GADGET_ID_CUSTOM_COPY_FROM:
8891     case GADGET_ID_CUSTOM_COPY_TO:
8892     case GADGET_ID_CUSTOM_EXCHANGE:
8893       last_custom_copy_mode = id;
8894       last_drawing_function = drawing_function;
8895       break;
8896
8897     case GADGET_ID_CUSTOM_COPY:
8898       CopyCustomElement(properties_element, -1, id);
8899       break;
8900
8901     case GADGET_ID_CUSTOM_PASTE:
8902       CopyCustomElement(-1, properties_element, id);
8903       break;
8904
8905     case GADGET_ID_UNDO:
8906       if (undo_buffer_steps == 0)
8907       {
8908         Request("Undo buffer empty !", REQ_CONFIRM);
8909         break;
8910       }
8911
8912       if (edit_mode != ED_MODE_DRAWING)
8913       {
8914         DrawDrawingWindow();
8915         edit_mode = ED_MODE_DRAWING;
8916       }
8917
8918       undo_buffer_position =
8919         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
8920       undo_buffer_steps--;
8921
8922       for (x = 0; x < lev_fieldx; x++)
8923         for (y = 0; y < lev_fieldy; y++)
8924           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
8925       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
8926       break;
8927
8928     case GADGET_ID_INFO:
8929       if (edit_mode != ED_MODE_INFO)
8930       {
8931         last_edit_mode = edit_mode;
8932         edit_mode = ED_MODE_INFO;
8933
8934         DrawLevelInfoWindow();
8935       }
8936       else
8937       {
8938         edit_mode = last_edit_mode;
8939
8940         DrawEditModeWindow();
8941       }
8942       break;
8943
8944     case GADGET_ID_CLEAR:
8945       if (edit_mode != ED_MODE_DRAWING)
8946       {
8947         DrawDrawingWindow();
8948         edit_mode = ED_MODE_DRAWING;
8949       }
8950
8951       for (x = 0; x < MAX_LEV_FIELDX; x++)
8952         for (y = 0; y < MAX_LEV_FIELDY; y++)
8953           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
8954
8955       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
8956
8957       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8958       break;
8959
8960     case GADGET_ID_SAVE:
8961       if (leveldir_current->readonly)
8962       {
8963         Request("This level is read only !", REQ_CONFIRM);
8964         break;
8965       }
8966
8967       if (!LevelContainsPlayer())
8968         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
8969       else
8970       {
8971         char *level_filename = getDefaultLevelFilename(level_nr);
8972         boolean new_level = !fileExists(level_filename);
8973
8974         if (new_level ||
8975             Request("Save this level and kill the old ?", REQ_ASK))
8976         {
8977           CopyPlayfield(Feld, level.field);
8978
8979           SaveLevel(level_nr);
8980         }
8981
8982         if (new_level)
8983           Request("Level saved !", REQ_CONFIRM);
8984
8985         level.changed = FALSE;
8986       }
8987       break;
8988
8989     case GADGET_ID_TEST:
8990       if (!LevelContainsPlayer())
8991         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
8992       else
8993       {
8994         if (LevelChanged())
8995           level.game_version = GAME_VERSION_ACTUAL;
8996
8997         CopyPlayfield(level.field, FieldBackup);
8998         CopyPlayfield(Feld, level.field);
8999
9000         UnmapLevelEditorGadgets();
9001         UndrawSpecialEditorDoor();
9002
9003         CloseDoor(DOOR_CLOSE_ALL);
9004
9005         DrawCompleteVideoDisplay();
9006
9007         if (setup.autorecord)
9008           TapeStartRecording();
9009
9010         level_editor_test_game = TRUE;
9011         game_status = GAME_MODE_PLAYING;
9012
9013         InitGame();
9014       }
9015       break;
9016
9017     case GADGET_ID_EXIT:
9018       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
9019       break;
9020
9021     default:
9022       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
9023           id <= GADGET_ID_ELEMENTLIST_LAST)
9024       {
9025         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
9026         int new_element = editor_elements[element_position + element_shift];
9027
9028         if (last_custom_copy_mode != -1)
9029         {
9030           if (CopyCustomElement(properties_element, new_element,
9031                                 last_custom_copy_mode))
9032           {
9033             ClickOnGadget(level_editor_gadget[last_drawing_function],
9034                           MB_LEFTBUTTON);
9035
9036             last_custom_copy_mode = -1;
9037           }
9038
9039           break;
9040         }
9041
9042         PickDrawingElement(button, new_element);
9043
9044         if (!stick_element_properties_window &&
9045             drawing_function != GADGET_ID_PICK_ELEMENT &&
9046             !(GetKeyModState() & KMOD_Control))
9047         {
9048           properties_element = new_element;
9049           if (edit_mode == ED_MODE_PROPERTIES)
9050             DrawPropertiesWindow();
9051         }
9052
9053         if (drawing_function == GADGET_ID_PICK_ELEMENT)
9054           ClickOnGadget(level_editor_gadget[last_drawing_function],
9055                         MB_LEFTBUTTON);
9056       }
9057 #ifdef DEBUG
9058       else if (gi->event.type == GD_EVENT_PRESSED)
9059         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
9060       else if (gi->event.type == GD_EVENT_RELEASED)
9061         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
9062       else if (gi->event.type == GD_EVENT_MOVING)
9063         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
9064       else
9065         printf("default: HandleControlButtons: ? (id == %d)\n", id);
9066 #endif
9067       break;
9068   }
9069 }
9070
9071 void HandleLevelEditorKeyInput(Key key)
9072 {
9073   char letter = getCharFromKey(key);
9074   int button = MB_LEFTBUTTON;
9075
9076   if (drawing_function == GADGET_ID_TEXT &&
9077       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
9078   {
9079     if (letter)
9080       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
9081     else if (key == KSYM_Delete || key == KSYM_BackSpace)
9082       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
9083     else if (key == KSYM_Return)
9084       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
9085     else if (key == KSYM_Escape)
9086       DrawLevelText(0, 0, 0, TEXT_END);
9087   }
9088   else if (button_status == MB_RELEASED)
9089   {
9090     int i, id = GADGET_ID_NONE;
9091
9092     switch (key)
9093     {
9094       case KSYM_Left:
9095         id = GADGET_ID_SCROLL_LEFT;
9096         break;
9097       case KSYM_Right:
9098         id = GADGET_ID_SCROLL_RIGHT;
9099         break;
9100       case KSYM_Up:
9101         id = GADGET_ID_SCROLL_UP;
9102         break;
9103       case KSYM_Down:
9104         id = GADGET_ID_SCROLL_DOWN;
9105         break;
9106       case KSYM_Page_Up:
9107         id = GADGET_ID_SCROLL_LIST_UP;
9108         button = MB_RIGHTBUTTON;
9109         break;
9110       case KSYM_Page_Down:
9111         id = GADGET_ID_SCROLL_LIST_DOWN;
9112         button = MB_RIGHTBUTTON;
9113         break;
9114
9115       case KSYM_Escape:
9116         if (edit_mode == ED_MODE_DRAWING)
9117         {
9118           RequestExitLevelEditor(setup.ask_on_escape);
9119         }
9120         else if (edit_mode == ED_MODE_INFO)
9121         {
9122           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
9123         }
9124         else if (edit_mode == ED_MODE_PROPERTIES)
9125         {
9126           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
9127         }
9128         else            /* should never happen */
9129         {
9130           DrawDrawingWindow();
9131           edit_mode = ED_MODE_DRAWING;
9132         }
9133         break;
9134
9135       default:
9136         break;
9137     }
9138
9139     if (id != GADGET_ID_NONE)
9140       ClickOnGadget(level_editor_gadget[id], button);
9141     else if (letter == '.')
9142       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
9143     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
9144       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
9145     else
9146       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9147         if (letter && letter == control_info[i].shortcut)
9148           if (!anyTextGadgetActive())
9149             ClickOnGadget(level_editor_gadget[i], button);
9150   }
9151 }
9152
9153 void HandleLevelEditorIdle()
9154 {
9155   static unsigned long action_delay = 0;
9156   unsigned long action_delay_value = GameFrameDelay;
9157   int xpos = 1, ypos = 2;
9158
9159   if (edit_mode != ED_MODE_PROPERTIES)
9160     return;
9161
9162   if (!DelayReached(&action_delay, action_delay_value))
9163     return;
9164
9165   DrawGraphicAnimationExt(drawto,
9166                           SX + xpos * TILEX,
9167                           SY + ypos * TILEY + MINI_TILEY / 2,
9168                           el2img(properties_element), -1, NO_MASKING);
9169
9170   MarkTileDirty(xpos, ypos);
9171   MarkTileDirty(xpos, ypos + 1);
9172
9173   FrameCounter++;       /* increase animation frame counter */
9174 }
9175
9176 void ClearEditorGadgetInfoText()
9177 {
9178   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
9179 }
9180
9181 void HandleEditorGadgetInfoText(void *ptr)
9182 {
9183   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
9184   char infotext[MAX_OUTPUT_LINESIZE + 1];
9185   char shortcut[MAX_OUTPUT_LINESIZE + 1];
9186   int max_infotext_len = getMaxInfoTextLength();
9187
9188   if (game_status != GAME_MODE_EDITOR)
9189     return;
9190
9191   ClearEditorGadgetInfoText();
9192
9193   if (gi->event.type == GD_EVENT_INFO_LEAVING)
9194     return;
9195
9196   /* misuse this function to delete brush cursor, if needed */
9197   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
9198     DeleteBrushFromCursor();
9199
9200   if (gi == NULL || gi->info_text == NULL)
9201     return;
9202
9203   strncpy(infotext, gi->info_text, max_infotext_len);
9204   infotext[max_infotext_len] = '\0';
9205
9206   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
9207   {
9208     int key = control_info[gi->custom_id].shortcut;
9209
9210     if (key)
9211     {
9212       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
9213         sprintf(shortcut, " ('.' or '%c')", key);
9214       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
9215         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
9216       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
9217         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
9218       else                                              /* normal case */
9219         sprintf(shortcut, " ('%s%c')",
9220                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
9221
9222       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
9223         strcat(infotext, shortcut);
9224     }
9225   }
9226
9227   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
9228 }
9229
9230 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
9231 {
9232   static int start_lx, start_ly;
9233   int id = gi->custom_id;
9234   int sx = gi->event.x;
9235   int sy = gi->event.y;
9236   int lx = sx + level_xpos;
9237   int ly = sy + level_ypos;
9238   int min_sx = 0, min_sy = 0;
9239   int max_sx = gi->drawing.area_xsize - 1;
9240   int max_sy = gi->drawing.area_ysize - 1;
9241   int actual_drawing_function = drawing_function;
9242   int max_infotext_len = getMaxInfoTextLength();
9243   char infotext[MAX_OUTPUT_LINESIZE + 1];
9244   char *text;
9245
9246   infotext[0] = '\0';           /* start with empty info text */
9247
9248   /* pressed Control key: simulate picking element */
9249   if (GetKeyModState() & KMOD_Control)
9250     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
9251
9252   ClearEditorGadgetInfoText();
9253
9254   if (gi->event.type == GD_EVENT_INFO_LEAVING)
9255     return;
9256
9257   /* make sure to stay inside drawing area boundaries */
9258   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
9259   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
9260
9261   if (id == GADGET_ID_DRAWING_LEVEL)
9262   {
9263     if (button_status)
9264     {
9265       int min_lx = 0, min_ly = 0;
9266       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
9267
9268       /* get positions inside level field */
9269       lx = sx + level_xpos;
9270       ly = sy + level_ypos;
9271
9272       /* make sure to stay inside level field boundaries */
9273       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
9274       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
9275
9276       /* correct drawing area positions accordingly */
9277       sx = lx - level_xpos;
9278       sy = ly - level_ypos;
9279     }
9280
9281     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
9282     {
9283       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
9284       {
9285         if (gi->event.type == GD_EVENT_PRESSED)
9286         {
9287           start_lx = lx;
9288           start_ly = ly;
9289         }
9290
9291         switch (actual_drawing_function)
9292         {
9293           case GADGET_ID_SINGLE_ITEMS:
9294             text = "Drawing single items";
9295             break;
9296           case GADGET_ID_CONNECTED_ITEMS:
9297             text = "Drawing connected items";
9298             break;
9299           case GADGET_ID_LINE:
9300             text = "Drawing line";
9301             break;
9302           case GADGET_ID_ARC:
9303             text = "Drawing arc";
9304             break;
9305           case GADGET_ID_TEXT:
9306             text = "Setting text cursor";
9307             break;
9308           case GADGET_ID_RECTANGLE:
9309             text = "Drawing rectangle";
9310             break;
9311           case GADGET_ID_FILLED_BOX:
9312             text = "Drawing filled box";
9313             break;
9314           case GADGET_ID_FLOOD_FILL:
9315             text = "Flood fill";
9316             break;
9317           case GADGET_ID_GRAB_BRUSH:
9318             text = "Grabbing brush";
9319             break;
9320           case GADGET_ID_PICK_ELEMENT:
9321             text = "Picking element";
9322             break;
9323
9324           default:
9325             text = "Drawing position";
9326             break;
9327         }
9328
9329 #if 1
9330         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9331           sprintf(infotext, "%s: %d, %d", text, lx, ly);
9332         else
9333           sprintf(infotext, "%s: %d, %d", text,
9334                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
9335 #else
9336         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9337           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9338                     "%s: %d, %d", infotext, lx, ly);
9339         else
9340           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9341                     "%s: %d, %d", infotext,
9342                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
9343 #endif
9344       }
9345 #if 1
9346       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9347         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
9348       else
9349         sprintf(infotext, "Level position: %d, %d", lx, ly);
9350 #else
9351       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9352         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9353                   "%s", getElementInfoText(Feld[lx][ly]));
9354       else
9355         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
9356                   "Level position: %d, %d", lx, ly);
9357 #endif
9358     }
9359
9360     /* misuse this function to draw brush cursor, if needed */
9361     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
9362     {
9363       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9364         CopyBrushToCursor(sx, sy);
9365       else
9366         DeleteBrushFromCursor();
9367     }
9368   }
9369   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
9370   {
9371     int element = EL_EMPTY;
9372
9373     if (id == GADGET_ID_AMOEBA_CONTENT)
9374       element = level.amoeba_content;
9375     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
9376       element = custom_element.gfx_element;
9377     else if (id == GADGET_ID_CUSTOM_CONTENT)
9378       element = custom_element.content[sx][sy];
9379     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
9380       element = custom_element.move_enter_element;
9381     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
9382       element = custom_element.move_leave_element;
9383     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
9384       element = custom_element_change.target_element;
9385     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
9386       element = custom_element_change.target_content[sx][sy];
9387     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
9388       element = custom_element_change.trigger_element;
9389     else if (id == GADGET_ID_GROUP_CONTENT)
9390       element = group_element_info.element[sx];
9391     else if (id == GADGET_ID_RANDOM_BACKGROUND)
9392       element = random_placement_background_element;
9393     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
9394              id <= GADGET_ID_ELEMENT_CONTENT_7)
9395       element = level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy];
9396
9397     strncpy(infotext, getElementInfoText(element), max_infotext_len);
9398   }
9399   else
9400   {
9401     if (id == GADGET_ID_AMOEBA_CONTENT)
9402       strcpy(infotext, "Amoeba content");
9403     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
9404       strcpy(infotext, "Custom graphic element");
9405     else if (id == GADGET_ID_CUSTOM_CONTENT)
9406       sprintf(infotext, "Custom element content position: %d, %d", sx, sy);
9407     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
9408       strcpy(infotext, "Element that can be digged/collected");
9409     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
9410       strcpy(infotext, "Element that will be left behind");
9411     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
9412       strcpy(infotext, "New element after change");
9413     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
9414       strcpy(infotext, "New extended elements after change");
9415     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
9416       strcpy(infotext, "Other element triggering change");
9417     else if (id == GADGET_ID_GROUP_CONTENT)
9418       sprintf(infotext, "Group element position: %d", sx + 1);
9419     else if (id == GADGET_ID_RANDOM_BACKGROUND)
9420       strcpy(infotext, "Random placement background");
9421     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
9422              id <= GADGET_ID_ELEMENT_CONTENT_7)
9423       sprintf(infotext, "Content area %d position: %d, %d",
9424               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
9425   }
9426
9427   infotext[max_infotext_len] = '\0';
9428
9429   if (strlen(infotext) > 0)
9430     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
9431 }
9432
9433 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
9434 {
9435   if (!ask_if_level_has_changed ||
9436       !LevelChanged() ||
9437       Request("Level has changed! Exit without saving ?",
9438               REQ_ASK | REQ_STAY_OPEN))
9439   {
9440 #if 1
9441     CloseDoor(DOOR_CLOSE_1);
9442     SetDoorState(DOOR_CLOSE_2);
9443 #else
9444     CloseDoor(DOOR_CLOSE_ALL);
9445 #endif
9446     game_status = GAME_MODE_MAIN;
9447     DrawMainMenu();
9448   }
9449   else
9450   {
9451     CloseDoor(DOOR_CLOSE_1);
9452     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
9453   }
9454 }