src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2006 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "init.h"
  24 #include "tape.h"
  25
  26
  27 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  28
  29
  30 /*
  31   -----------------------------------------------------------------------------
  32   screen and artwork graphic pixel position definitions
  33   -----------------------------------------------------------------------------
  34 */
  35
  36 /* positions in the level editor */
  37 #define ED_WIN_MB_LEFT_XPOS             6
  38 #define ED_WIN_MB_LEFT_YPOS             258
  39 #define ED_WIN_MB_MIDDLE_XPOS           42
  40 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  41 #define ED_WIN_MB_RIGHT_XPOS            78
  42 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  43
  44 /* values for the control window */
  45 #define ED_CTRL_NO_BUTTONS_GFX_XPOS     6
  46 #define ED_CTRL_NO_BUTTONS_GFX_YPOS     286
  47 #define ED_CTRL1_BUTTONS_GFX_YPOS       236
  48 #define ED_CTRL2_BUTTONS_GFX_YPOS       236
  49 #define ED_CTRL3_BUTTONS_GFX_YPOS       324
  50 #define ED_CTRL4_BUTTONS_GFX_XPOS       44
  51 #define ED_CTRL4_BUTTONS_GFX_YPOS       214
  52 #define ED_CTRL1_BUTTONS_ALT_GFX_YPOS   142
  53 #define ED_CTRL3_BUTTONS_ALT_GFX_YPOS   302
  54
  55 #define ED_CTRL1_BUTTON_XSIZE           22
  56 #define ED_CTRL1_BUTTON_YSIZE           22
  57 #define ED_CTRL1_BUTTONS_XPOS           6
  58 #define ED_CTRL1_BUTTONS_YPOS           6
  59 #define ED_CTRL2_BUTTON_XSIZE           30
  60 #define ED_CTRL2_BUTTON_YSIZE           20
  61 #define ED_CTRL2_BUTTONS_XPOS           5
  62 #define ED_CTRL2_BUTTONS_YPOS           99
  63 #define ED_CTRL3_BUTTON_XSIZE           22
  64 #define ED_CTRL3_BUTTON_YSIZE           22
  65 #define ED_CTRL3_BUTTONS_XPOS           6
  66 #define ED_CTRL3_BUTTONS_YPOS           6
  67 #define ED_CTRL4_BUTTON_XSIZE           22
  68 #define ED_CTRL4_BUTTON_YSIZE           22
  69 #define ED_CTRL4_BUTTONS_XPOS           6
  70 #define ED_CTRL4_BUTTONS_YPOS           6
  71
  72 #define ED_CTRL1_BUTTONS_HORIZ          4
  73 #define ED_CTRL1_BUTTONS_VERT           4
  74 #define ED_CTRL2_BUTTONS_HORIZ          3
  75 #define ED_CTRL2_BUTTONS_VERT           2
  76 #define ED_CTRL3_BUTTONS_HORIZ          3
  77 #define ED_CTRL3_BUTTONS_VERT           1
  78 #define ED_CTRL4_BUTTONS_HORIZ          2
  79 #define ED_CTRL4_BUTTONS_VERT           1
  80
  81 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  82 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  83 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  84 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  85 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  86 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  87 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS +  \
  88                                 ED_NUM_CTRL2_BUTTONS +  \
  89                                 ED_NUM_CTRL3_BUTTONS +  \
  90                                 ED_NUM_CTRL4_BUTTONS)
  91
  92 /* values for the element list */
  93 #define ED_ELEMENTLIST_XPOS             5
  94 #define ED_ELEMENTLIST_YPOS             30
  95 #define ED_ELEMENTLIST_XSIZE            20
  96 #define ED_ELEMENTLIST_YSIZE            20
  97 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  98 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  99 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
 100                                          ED_ELEMENTLIST_BUTTONS_VERT)
 101
 102 /* standard distances */
 103 #define ED_BORDER_SIZE                  3
 104 #define ED_BORDER_TEXT_XSIZE            5
 105 #define ED_BORDER_AREA_YSIZE            1
 106
 107 #define ED_GADGET_DISTANCE              2
 108 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
 109 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
 110                                          MINI_TILEX / 2)
 111
 112 /* values for the settings windows */
 113 #define ED_LEVEL_SETTINGS_XSTART        (3 * MINI_TILEX / 2)
 114 #define ED_LEVEL_SETTINGS_YSTART        (7 * MINI_TILEY)
 115
 116 #define ED_ELEMENT_SETTINGS_XSTART      (3 * MINI_TILEX / 2)
 117 #define ED_ELEMENT_SETTINGS_YSTART      (10 * MINI_TILEY)
 118
 119 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE +         \
 120                                          2 * ED_GADGET_DISTANCE)
 121
 122 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
 123 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
 124 #define ED_SETTINGS_TAB_XOFFSET         124
 125
 126 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_LEVEL_SETTINGS_XSTART +     \
 127                                          (n) * ED_SETTINGS_XOFFSET)
 128 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_LEVEL_SETTINGS_YSTART +     \
 129                                          (n) * ED_SETTINGS_YOFFSET)
 130
 131 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_ELEMENT_SETTINGS_XSTART +   \
 132                                          (n) * ED_SETTINGS_XOFFSET)
 133 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_ELEMENT_SETTINGS_YSTART +   \
 134                                          (n) * ED_SETTINGS_YOFFSET)
 135
 136 #define ED_LEVEL_SETTINGS_TABS_XPOS(n)  (ED_LEVEL_SETTINGS_XPOS(0) +    \
 137                                         (n) * ED_SETTINGS_TAB_XOFFSET)
 138 #define ED_LEVEL_SETTINGS_TABS_YPOS(n)  (ED_LEVEL_SETTINGS_YSTART -     \
 139                                          3 * MINI_TILEY)
 140
 141 #define ED_ELEMENT_SETTINGS_TABS_XPOS(n) (ED_ELEMENT_SETTINGS_XPOS(0) + \
 142                                          (n) * ED_SETTINGS_TAB_XOFFSET)
 143 #define ED_ELEMENT_SETTINGS_TABS_YPOS(n) (ED_ELEMENT_SETTINGS_YSTART -  \
 144                                          2 * MINI_TILEY)
 145
 146 #define ED_SETTINGS1_YPOS               MINI_TILEY
 147 #define ED_SETTINGS2_XPOS               MINI_TILEX
 148 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 149
 150 /* values for counter gadgets */
 151 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 152 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 153 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART +            \
 154                                          (n) * ED_COUNTER_YDISTANCE)
 155 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART +            \
 156                                          (n) * ED_COUNTER_YDISTANCE - 2)
 157
 158 /* values for element content drawing areas */
 159 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 160 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 161                                          ED_GADGET_DISTANCE)
 162
 163 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 164 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 165                                          ED_GADGET_DISTANCE - MINI_TILEY)
 166
 167 /* yamyam content */
 168 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 169                                          5 * ((n) % 4) * MINI_TILEX)
 170 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (11 * ED_SETTINGS_YOFFSET +     \
 171                                          6 * ((n) / 4) * MINI_TILEY)
 172
 173 /* magic ball content */
 174 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS(n) (2 * MINI_TILEX +            \
 175                                             5 * ((n) % 4) * MINI_TILEX)
 176 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS(n) (12 * ED_SETTINGS_YOFFSET +  \
 177                                             6 * ((n) / 4) * MINI_TILEY)
 178
 179 /* values for scrolling gadgets for drawing area */
 180 #define ED_SCROLLBUTTON_XPOS            24
 181 #define ED_SCROLLBUTTON_YPOS            0
 182 #define ED_SCROLLBAR_XPOS               24
 183 #define ED_SCROLLBAR_YPOS               64
 184
 185 #define ED_SCROLLBUTTON_XSIZE           16
 186 #define ED_SCROLLBUTTON_YSIZE           16
 187
 188 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 189 #define ED_SCROLL_UP_YPOS               (0)
 190 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 191 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 192 #define ED_SCROLL_LEFT_XPOS             (0)
 193 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 194 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 195 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 196 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 197                                          ED_SCROLLBUTTON_XSIZE)
 198 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 199 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 200 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 201 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 202 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 203                                          ED_SCROLLBUTTON_YSIZE)
 204 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 205 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 206
 207 /* values for scrolling gadgets for element list */
 208 #define ED_SCROLLBUTTON2_XPOS           50
 209 #define ED_SCROLLBUTTON2_YPOS           0
 210 #define ED_SCROLLBAR2_XPOS              50
 211 #define ED_SCROLLBAR2_YPOS              20
 212
 213 #define ED_SCROLLBUTTON2_XSIZE          10
 214 #define ED_SCROLLBUTTON2_YSIZE          10
 215
 216 #define ED_SCROLL2_UP_XPOS              85
 217 #define ED_SCROLL2_UP_YPOS              30
 218 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 219 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 220                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 221                                          ED_ELEMENTLIST_YSIZE -         \
 222                                          ED_SCROLLBUTTON2_YSIZE)
 223 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 224 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 225                                          ED_SCROLLBUTTON2_YSIZE)
 226 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 227 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 228                                          ED_ELEMENTLIST_YSIZE -         \
 229                                          2 * ED_SCROLLBUTTON2_YSIZE)
 230
 231 /* values for checkbutton gadgets */
 232 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 233 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 234 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 235 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 236 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 237 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 238 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 239
 240 /* values for some special graphic buttons */
 241 #define ED_COPY_CHANGE_PAGE_XPOS        25
 242 #define ED_COPY_CHANGE_PAGE_YPOS        50
 243 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 244 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 245
 246 /* some values for text input, selectbox and counter gadgets */
 247 #define ED_BUTTON_COUNT_YPOS            60
 248 #define ED_BUTTON_COUNT_XSIZE           20
 249 #define ED_BUTTON_COUNT_YSIZE           20
 250 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 251 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 252 #define ED_WIN_COUNT_XSIZE              52
 253 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 254 #define ED_WIN_COUNT2_XPOS              27
 255 #define ED_WIN_COUNT2_YPOS              3
 256 #define ED_WIN_COUNT2_XSIZE             46
 257 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 258
 259 #define ED_BUTTON_MINUS_XPOS            2
 260 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 261 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 262 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 263 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 264                                          ED_WIN_COUNT_XSIZE + 2)
 265 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 266 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 267 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 268
 269 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 270 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 271                                          2 + ED_WIN_COUNT_YSIZE)
 272 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 273 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 274
 275 #define ED_SELECTBOX_BUTTON_XSIZE       14
 276
 277 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 278 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 279                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 280 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 281
 282 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 283 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 284                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 285 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 286                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 287
 288 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 289 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 290
 291 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 292 #define INFOTEXT_XPOS                   SX
 293 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 294 #define INFOTEXT_XSIZE                  SXSIZE
 295 #define INFOTEXT_YSIZE                  MINI_TILEX
 296
 297
 298 /*
 299   -----------------------------------------------------------------------------
 300   editor gadget definitions
 301   -----------------------------------------------------------------------------
 302 */
 303
 304 /* drawing toolbox buttons */
 305 #define GADGET_ID_NONE                  -1
 306 #define GADGET_ID_TOOLBOX_FIRST         0
 307
 308 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 309 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 310 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 311 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 312 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 313 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 314 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 315 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 316 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 317 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 318 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 319 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 320 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 321 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 322 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 323 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 324
 325 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 326 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 327 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 328 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 329 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 330 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 331
 332 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 333 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 334 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 335 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 336 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 337
 338 /* counter gadget identifiers */
 339 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 27)
 340
 341 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 342 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 343 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 344 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 345 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 346 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 347 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 348 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 349 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 350 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 351 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 352 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 353 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 354 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 355 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 356 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 357 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 358 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 359 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 360 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 361 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 362 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 363 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 364 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 365 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 366 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 367 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 368 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 369 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 370 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 371 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 372 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 373 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 374 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 375 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 376 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 377 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 378 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 379 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 380 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 381 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 382 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 383 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 384 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 385 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 386 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 387 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 388 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 389 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 390 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 391 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 392 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 393 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 394 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 395 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 396 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 397 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 398 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 399 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 400 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 401 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 402 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 403 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 404 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 405 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 406 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 407 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 408 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 409 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 410 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 411 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 412 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 413 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 414 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 415 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 416 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 417 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 418 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 419 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 420 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 421 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 422 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 423 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 424 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 425 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 426 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 427 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 428 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 429 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 430 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 431 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 432 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 433 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 434 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 435 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 436 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 437 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 438 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 439 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 440 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 441 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 442 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 443
 444 /* drawing area identifiers */
 445 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 446
 447 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 448 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 449 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 450 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 451 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 452 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 453 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 454 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 455 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 456 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 457 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 458 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 459 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 460 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 461 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 462 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 463 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 464 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 465 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 466 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 467 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 468 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 469 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 470 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 471 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 472 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 473 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 474 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 475 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 476 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 477 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 478 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 479 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 480
 481 /* text input identifiers */
 482 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 483
 484 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 485 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 486 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 487
 488 /* text area identifiers */
 489 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 490
 491 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 492
 493 /* selectbox identifiers */
 494 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 495
 496 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 497 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 498 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 499 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 500 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 501 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 502 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 503 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 504 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 505 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 506 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 507 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 508 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 509 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 510 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 511 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 512 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 513 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 514 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 515 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 516 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 517 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 518 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 519 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 520 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 521 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 522 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 523 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 524 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 525
 526 /* textbutton identifiers */
 527 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 528
 529 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 530 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 531 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 532 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 533 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 534 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 535 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 536 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 537 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 538 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 539
 540 /* graphicbutton identifiers */
 541 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 542
 543 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 544 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 545 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 546 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 547
 548 /* gadgets for scrolling of drawing area */
 549 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 550
 551 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 552 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 553 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 554 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 555 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 556 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 557
 558 /* gadgets for scrolling element list */
 559 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 560
 561 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 562 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 563 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 564
 565 /* checkbuttons/radiobuttons for level/element properties */
 566 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 567
 568 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 569 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 570 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 571 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 572 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 573 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 574 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 575 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 576 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 577 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 578 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 579 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 580 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 581 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 582 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 583 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 584 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 585 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 586 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 587 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 588 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 589 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 590 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 591 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 592 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 593 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 594 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 595 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 596 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 597 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 598 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 599 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 600 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 601 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 602 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 603 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 604 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 605 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 606 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 607 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 608 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 609 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 610 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 611 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 612 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 613 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 614 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 615 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 616 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 617 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 618 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 619 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 620 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 621 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 622
 623 /* gadgets for buttons in element list */
 624 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 625 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 626                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 627
 628 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 629
 630 /* radio button numbers */
 631 #define RADIO_NR_NONE                   0
 632 #define RADIO_NR_DRAWING_TOOLBOX        1
 633 #define RADIO_NR_RANDOM_ELEMENTS        2
 634
 635 /* values for counter gadgets */
 636 #define ED_COUNTER_ID_SELECT_LEVEL      0
 637 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 638 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 639 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 640 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 641 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 642 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 643 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 644 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 645 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 646 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 647 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 648 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 649 #define ED_COUNTER_ID_BALL_CONTENT      13
 650 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 651 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 652 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 653 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 654 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 655 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 656 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 657 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 658 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 659 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 660 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 661 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 662 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 663 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 664 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 665 #define ED_COUNTER_ID_IGNITION_DELAY    29
 666 #define ED_COUNTER_ID_GROUP_CONTENT     30
 667 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 668 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 669 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 670
 671 #define ED_NUM_COUNTERBUTTONS           34
 672
 673 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 674 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 675 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 676 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 677
 678 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 679 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 680 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 681 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 682 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 683 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 684
 685 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 686 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 687
 688 /* values for scrollbutton gadgets */
 689 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 690 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 691 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 692 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 693 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 694 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 695
 696 #define ED_NUM_SCROLLBUTTONS            6
 697
 698 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 699 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 700
 701 /* values for scrollbar gadgets */
 702 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 703 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 704 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 705
 706 #define ED_NUM_SCROLLBARS               3
 707
 708 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 709 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 710
 711 /* values for text input gadgets */
 712 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 713 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 714 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 715
 716 #define ED_NUM_TEXTINPUT                3
 717
 718 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 719 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 720
 721 /* values for text area gadgets */
 722 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 723
 724 #define ED_NUM_TEXTAREAS                        1
 725
 726 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 727 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 728
 729 /* values for selectbox gadgets */
 730 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 731 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 732 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 733 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 734 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 735 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 736 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 737 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 738 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 739 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 740 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 741 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 742 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 743 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 744 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 745 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 746 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 747 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 748 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 749 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 750 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 751 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 752 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 753 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 754 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 755 #define ED_SELECTBOX_ID_ACTION_MODE             25
 756 #define ED_SELECTBOX_ID_ACTION_ARG              26
 757 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 758 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 759
 760 #define ED_NUM_SELECTBOX                        29
 761
 762 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 763 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 764
 765 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 766 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 767 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 768 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 769 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 770 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 771
 772 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 773 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 774
 775 /* values for textbutton gadgets */
 776 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 777 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 778 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 779 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 780 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 781 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 782 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 783 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 784 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 785 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 786
 787 #define ED_NUM_TEXTBUTTONS                      10
 788
 789 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 790 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 791
 792 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 793 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 794
 795 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 796 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 797
 798 /* values for graphicbutton gadgets */
 799 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 800 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 801 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 802 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 803
 804 #define ED_NUM_GRAPHICBUTTONS                   4
 805
 806 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 807 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 808
 809 /* values for checkbutton gadgets */
 810 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 811 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 812 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 813 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 814 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 815 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 816 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 817 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 818 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 819 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 820 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 821 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 822 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 823 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 824 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 825 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 826 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 827 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 828 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 829 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 830 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 831 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 832 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 833 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 834 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 835 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 836 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 837 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 838 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 839 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 840 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 841 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 842 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 843 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 844 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 845 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 846 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 847 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 848 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 849 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 850 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 851 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 852 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 853 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 854 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 855 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 856 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 857 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 858 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 859 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 860 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 861 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 862
 863 #define ED_NUM_CHECKBUTTONS                     52
 864
 865 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 866 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 867
 868 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 869 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 870 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 871 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 872 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 873 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 874
 875 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 876 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 877
 878 /* values for radiobutton gadgets */
 879 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 880 #define ED_RADIOBUTTON_ID_QUANTITY      1
 881
 882 #define ED_NUM_RADIOBUTTONS             2
 883
 884 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 885 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 886
 887 /* values for drawing area gadgets */
 888 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 889 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 890 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 891 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 892 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 893 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 894 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 895 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 896 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 897 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 898 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 899 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 900 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 901 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 902 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 903 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 904 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 905 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 906 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 907 #define ED_DRAWING_ID_START_ELEMENT             19
 908 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 909 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 910 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 911 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 912 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 913 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 914 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 915 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 916 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 917 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 918 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 919 #define ED_DRAWING_ID_GROUP_CONTENT             31
 920 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 921
 922 #define ED_NUM_DRAWING_AREAS                    33
 923
 924
 925 /*
 926   -----------------------------------------------------------------------------
 927   some internally used definitions
 928   -----------------------------------------------------------------------------
 929 */
 930
 931 /* values for CopyLevelToUndoBuffer() */
 932 #define UNDO_IMMEDIATE                  0
 933 #define UNDO_ACCUMULATE                 1
 934
 935 /* values for scrollbars */
 936 #define ED_SCROLL_NO                    0
 937 #define ED_SCROLL_LEFT                  1
 938 #define ED_SCROLL_RIGHT                 2
 939 #define ED_SCROLL_UP                    4
 940 #define ED_SCROLL_DOWN                  8
 941
 942 /* screens in the level editor */
 943 #define ED_MODE_DRAWING                 0
 944 #define ED_MODE_INFO                    1
 945 #define ED_MODE_PROPERTIES              2
 946
 947 /* sub-screens in the global settings section */
 948 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 949 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 950
 951 /* sub-screens in the element properties section */
 952 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 953 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 954 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 955 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 956 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 957
 958 /* how many steps can be cancelled */
 959 #define NUM_UNDO_STEPS                  (10 + 1)
 960
 961 /* values for elements with score for certain actions */
 962 #define MIN_SCORE                       0
 963 #define MAX_SCORE                       999
 964
 965 /* values for elements with count for collecting */
 966 #define MIN_COLLECT_COUNT               0
 967 #define MAX_COLLECT_COUNT               999
 968
 969 /* values for random placement */
 970 #define RANDOM_USE_PERCENTAGE           0
 971 #define RANDOM_USE_QUANTITY             1
 972
 973 /* maximal size of level editor drawing area */
 974 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 975 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 976
 977
 978 /*
 979   -----------------------------------------------------------------------------
 980   some internally used data structure definitions
 981   -----------------------------------------------------------------------------
 982 */
 983
 984 static struct
 985 {
 986   char shortcut;
 987   char *text;
 988 } control_info[ED_NUM_CTRL_BUTTONS] =
 989 {
 990   /* note: some additional characters are already reserved for "cheat mode"
 991      shortcuts (":XYZ" style) -- for details, see "events.c" */
 992
 993   { 's',        "draw single items"                     },
 994   { 'd',        "draw connected items"                  },
 995   { 'l',        "draw lines"                            },
 996   { 'a',        "draw arcs"                             },
 997   { 'r',        "draw outline rectangles"               },
 998   { 'R',        "draw filled rectangles"                },
 999   { '\0',       "wrap (rotate) level up"                },
1000   { 't',        "enter text elements"                   },
1001   { 'f',        "flood fill"                            },
1002   { '\0',       "wrap (rotate) level left"              },
1003   { '?',        "properties of drawing element"         },
1004   { '\0',       "wrap (rotate) level right"             },
1005   { '\0',       "random element placement"              },
1006   { 'b',        "grab brush"                            },
1007   { '\0',       "wrap (rotate) level down"              },
1008   { ',',        "pick drawing element"                  },
1009
1010   { 'U',        "undo last operation"                   },
1011   { 'I',        "properties of level"                   },
1012   { 'S',        "save level"                            },
1013   { 'C',        "clear level"                           },
1014   { 'T',        "test level"                            },
1015   { 'E',        "exit level editor"                     },
1016
1017   { '\0',       "copy settings from other element"      },
1018   { '\0',       "copy settings to other element"        },
1019   { '\0',       "exchange element with other element"   },
1020
1021   { '\0',       "copy settings from this element"       },
1022   { '\0',       "paste settings to this element"        },
1023 };
1024
1025 static int random_placement_value = 10;
1026 static int random_placement_method = RANDOM_USE_QUANTITY;
1027 static int random_placement_background_element = EL_SAND;
1028 static boolean random_placement_background_restricted = FALSE;
1029 static boolean stick_element_properties_window = FALSE;
1030 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1031 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1032 static struct ElementChangeInfo custom_element_change;
1033 static struct ElementGroupInfo group_element_info;
1034 static struct ElementInfo custom_element;
1035
1036 static struct
1037 {
1038   int x, y;
1039   int min_value, max_value;
1040   int gadget_id_down, gadget_id_up;
1041   int gadget_id_text;
1042   int gadget_id_align;
1043   int *value;
1044   char *text_above, *text_left, *text_right;
1045 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1046 {
1047   /* ---------- current level number --------------------------------------- */
1048
1049   {
1050     DX + 5 - SX,                        DY + 3 - SY,
1051     1,                                  100,
1052     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1053     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1054     &level_nr,
1055     NULL,                               NULL, NULL
1056   },
1057
1058   /* ---------- level and editor settings ---------------------------------- */
1059
1060   {
1061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1062     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1063     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1064     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1065     &level.fieldx,
1066     "playfield size:",                  NULL, "width",
1067   },
1068   {
1069     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1070     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1071     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1072     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1073     &level.fieldy,
1074     NULL,                               " ", "height",
1075   },
1076   {
1077     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1078     0,                                  999,
1079     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1080     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1081     &level.gems_needed,
1082     NULL,                               "number of gems to collect:", NULL
1083   },
1084   {
1085     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1086     0,                                  9999,
1087     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1088     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1089     &level.time,
1090     "time or step limit to solve level:", NULL, NULL
1091   },
1092   {
1093     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1094     0,                                  999,
1095     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1096     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1097     &level.score[SC_TIME_BONUS],
1098     "score for each second/step left:", NULL, NULL
1099   },
1100   {
1101     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1102     0,                                  9999,
1103     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1104     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1105     &level.random_seed,
1106     NULL,                               "random seed:", "(0 => random)"
1107   },
1108   {
1109     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1110     1,                                  100,
1111     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1112     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1113     &random_placement_value,
1114     "random element placement:",        NULL, "in"
1115   },
1116
1117   /* ---------- element settings: configure (various elements) ------------- */
1118
1119   {
1120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1121     MIN_SCORE,                          MAX_SCORE,
1122     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1123     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1124     NULL,                               /* will be set when used */
1125     NULL,                               NULL, NULL
1126   },
1127   {
1128     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1129     MIN_SCORE,                          MAX_SCORE,
1130     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1131     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1132     NULL,                               /* will be set when used */
1133     NULL,                               NULL, NULL
1134   },
1135   {
1136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1137     MIN_SCORE,                          MAX_SCORE,
1138     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1139     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1140     NULL,                               /* will be set when used */
1141     NULL,                               NULL, NULL
1142   },
1143   {
1144     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1145     MIN_SCORE,                          MAX_SCORE,
1146     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1147     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1148     NULL,                               /* will be set when used */
1149     NULL,                               NULL, NULL
1150   },
1151   {
1152     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1153     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1154     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1155     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1156     &level.num_yamyam_contents,
1157     NULL,                               NULL, "number of content areas"
1158   },
1159   {
1160     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1161     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1162     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1163     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1164     &level.num_ball_contents,
1165     NULL,                               NULL, "number of content areas"
1166   },
1167   {
1168     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1169     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1170     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1171     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1172     &level.num_android_clone_elements,
1173     NULL,                               NULL, "number of clonable elements"
1174   },
1175   {
1176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1177     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1178     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1179     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1180     NULL,                               /* will be set when used */
1181     NULL,                               NULL, "width",
1182   },
1183   {
1184     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1185     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1186     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1187     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1188     NULL,                               /* will be set when used */
1189     NULL,                               " ", "height",
1190   },
1191   {
1192     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1193     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1194     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1195     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1196     &level.initial_inventory_size[0],
1197     NULL,                               NULL, "number of inventory elements"
1198   },
1199
1200   /* ---------- element settings: configure 1 (custom elements) ------------ */
1201
1202   {
1203     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1204     MIN_SCORE,                          MAX_SCORE,
1205     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1206     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1207     &custom_element.collect_score_initial,
1208     NULL,                               "CE score", " "
1209   },
1210   {
1211     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1212     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1213     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1214     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1215     &custom_element.collect_count_initial,
1216     NULL,                               "CE count", NULL
1217   },
1218   {
1219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1220     0,                                  9999,
1221     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1222     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1223     &custom_element.ce_value_fixed_initial,
1224     NULL,                               "CE value", NULL
1225   },
1226   {
1227     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1228     0,                                  9999,
1229     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1230     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1231     &custom_element.ce_value_random_initial,
1232     NULL,                               "+random", NULL
1233   },
1234   {
1235     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1236     0,                                  999,
1237     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1238     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1239     &custom_element.push_delay_fixed,
1240     NULL,                               "push delay", NULL
1241   },
1242   {
1243     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1244     0,                                  999,
1245     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1246     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1247     &custom_element.push_delay_random,
1248     NULL,                               "+random", NULL
1249   },
1250   {
1251     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1252     0,                                  999,
1253     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1254     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1255     &custom_element.drop_delay_fixed,
1256     NULL,                               "drop delay", NULL
1257   },
1258   {
1259     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1260     0,                                  999,
1261     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1262     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1263     &custom_element.drop_delay_random,
1264     NULL,                               "+random", NULL
1265   },
1266
1267   /* ---------- element settings: configure 2 (custom elements) ------------ */
1268
1269   {
1270     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1271     0,                                  999,
1272     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1273     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1274     &custom_element.move_delay_fixed,
1275     NULL,                               "move delay", NULL
1276   },
1277   {
1278     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1279     0,                                  999,
1280     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1281     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1282     &custom_element.move_delay_random,
1283     NULL,                               "+random", NULL
1284   },
1285   {
1286     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1287     0,                                  999,
1288     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1289     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1290     &custom_element.explosion_delay,
1291     NULL,                               "explosion delay", NULL
1292   },
1293   {
1294     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1295     0,                                  999,
1296     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1297     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1298     &custom_element.ignition_delay,
1299     NULL,                               "ignition delay", "(by fire)"
1300   },
1301
1302   /* ---------- element settings: configure (group elements) --------------- */
1303
1304   {
1305     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1306     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1307     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1308     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1309     &group_element_info.num_elements,
1310     NULL,                               NULL, "number of elements in group"
1311   },
1312
1313   /* ---------- element settings: advanced (custom elements) --------------- */
1314
1315   {
1316     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1317     0,                                  999,
1318     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1319     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1320     &custom_element_change.delay_fixed,
1321     NULL,                               "CE delay", NULL,
1322   },
1323   {
1324     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1325     0,                                  999,
1326     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1327     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1328     &custom_element_change.delay_random,
1329     NULL,                               "+random", NULL
1330   },
1331   {
1332     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1333     0,                                  100,
1334     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1335     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1336     &custom_element_change.random_percentage,
1337     NULL,                               "use random replace:", "%"
1338   },
1339 };
1340
1341 static struct
1342 {
1343   int x, y;
1344   int gadget_id;
1345   int size;
1346   char *value;
1347   char *text_above, *infotext;
1348 } textinput_info[ED_NUM_TEXTINPUT] =
1349 {
1350   {
1351     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1352     GADGET_ID_LEVEL_NAME,
1353     MAX_LEVEL_NAME_LEN,
1354     level.name,
1355     "Title:", "Title"
1356   },
1357   {
1358     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1359     GADGET_ID_LEVEL_AUTHOR,
1360     MAX_LEVEL_AUTHOR_LEN,
1361     level.author,
1362     "Author:", "Author"
1363   },
1364   {
1365     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1366     GADGET_ID_ELEMENT_NAME,
1367     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1368     custom_element.description,
1369     NULL, "Element name"
1370   }
1371 };
1372
1373 static struct
1374 {
1375   int x, y;
1376   int gadget_id;
1377   int xsize, ysize;
1378   char *value;
1379   char *text_above, *infotext;
1380 } textarea_info[ED_NUM_TEXTAREAS] =
1381 {
1382   {
1383     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1384     GADGET_ID_ENVELOPE_INFO,
1385     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1386     NULL,
1387     "Envelope Content:", "Envelope Content"
1388   }
1389 };
1390
1391 static struct ValueTextInfo options_time_or_steps[] =
1392 {
1393   { 0,                          "seconds"                       },
1394   { 1,                          "steps"                         },
1395
1396   { -1,                         NULL                            }
1397 };
1398
1399 static struct ValueTextInfo options_game_engine_type[] =
1400 {
1401   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1402   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1403   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1404
1405   { -1,                         NULL                            }
1406 };
1407
1408 static struct ValueTextInfo options_wind_direction[] =
1409 {
1410   { MV_START_NONE,              "none"                          },
1411   { MV_START_LEFT,              "left"                          },
1412   { MV_START_RIGHT,             "right"                         },
1413   { MV_START_UP,                "up"                            },
1414   { MV_START_DOWN,              "down"                          },
1415
1416   { -1,                         NULL                            }
1417 };
1418
1419 static struct ValueTextInfo options_player_speed[] =
1420 {
1421   { 0,                          "frozen"                        },
1422   { 1,                          "very slow"                     },
1423   { 2,                          "slow"                          },
1424   { 4,                          "normal"                        },
1425   { 8,                          "fast"                          },
1426   { 16,                         "very fast"                     },
1427   { 32,                         "ultrafast"                     },
1428
1429   { -1,                         NULL                            }
1430 };
1431
1432 static struct ValueTextInfo options_access_type[] =
1433 {
1434   { EP_WALKABLE,                "walkable"                      },
1435   { EP_PASSABLE,                "passable"                      },
1436
1437   { -1,                         NULL                            }
1438 };
1439
1440 static struct ValueTextInfo options_access_layer[] =
1441 {
1442   { EP_ACCESSIBLE_OVER,         "over"                          },
1443   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1444   { EP_ACCESSIBLE_UNDER,        "under"                         },
1445
1446   { -1,                         NULL                            }
1447 };
1448
1449 static struct ValueTextInfo options_access_protected[] =
1450 {
1451   { 0,                          "unprotected"                   },
1452   { 1,                          "protected"                     },
1453
1454   { -1,                         NULL                            }
1455 };
1456
1457 static struct ValueTextInfo options_access_direction[] =
1458 {
1459   { MV_NO_DIRECTION,            "no direction"                  },
1460   { MV_LEFT,                    "left"                          },
1461   { MV_RIGHT,                   "right"                         },
1462   { MV_UP,                      "up"                            },
1463   { MV_DOWN,                    "down"                          },
1464   { MV_LEFT  | MV_UP,           "left + up"                     },
1465   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1466   { MV_RIGHT | MV_UP,           "right + up"                    },
1467   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1468   { MV_HORIZONTAL,              "horizontal"                    },
1469   { MV_VERTICAL,                "vertical"                      },
1470   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1471   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1472   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1473   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1474   { MV_ALL_DIRECTIONS,          "all directions"                },
1475
1476   { -1,                         NULL                            }
1477 };
1478
1479 static struct ValueTextInfo options_walk_to_action[] =
1480 {
1481   { EP_DIGGABLE,                "diggable"                      },
1482   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1483   { EP_DROPPABLE,               "collectible & droppable"       },
1484   { EP_THROWABLE,               "collectible & throwable"       },
1485   { EP_PUSHABLE,                "pushable"                      },
1486
1487   { -1,                         NULL                            }
1488 };
1489
1490 static struct ValueTextInfo options_move_pattern[] =
1491 {
1492   { MV_LEFT,                    "left"                          },
1493   { MV_RIGHT,                   "right"                         },
1494   { MV_UP,                      "up"                            },
1495   { MV_DOWN,                    "down"                          },
1496   { MV_HORIZONTAL,              "horizontal"                    },
1497   { MV_VERTICAL,                "vertical"                      },
1498   { MV_ALL_DIRECTIONS,          "all directions"                },
1499   { MV_WIND_DIRECTION,          "wind direction"                },
1500   { MV_TOWARDS_PLAYER,          "towards player"                },
1501   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1502   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1503   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1504   { MV_TURNING_LEFT,            "turning left"                  },
1505   { MV_TURNING_RIGHT,           "turning right"                 },
1506   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1507   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1508   { MV_TURNING_RANDOM,          "turning random"                },
1509   { MV_MAZE_RUNNER,             "maze runner style"             },
1510   { MV_MAZE_HUNTER,             "maze hunter style"             },
1511   { MV_WHEN_PUSHED,             "when pushed"                   },
1512   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1513
1514   { -1,                         NULL                            }
1515 };
1516
1517 static struct ValueTextInfo options_move_direction[] =
1518 {
1519   { MV_START_AUTOMATIC,         "automatic"                     },
1520   { MV_START_LEFT,              "left"                          },
1521   { MV_START_RIGHT,             "right"                         },
1522   { MV_START_UP,                "up"                            },
1523   { MV_START_DOWN,              "down"                          },
1524   { MV_START_RANDOM,            "random"                        },
1525   { MV_START_PREVIOUS,          "previous"                      },
1526
1527   { -1,                         NULL                            }
1528 };
1529
1530 static struct ValueTextInfo options_move_stepsize[] =
1531 {
1532   { 0,                          "not moving"                    },
1533   { 1,                          "very slow"                     },
1534   { 2,                          "slow"                          },
1535   { 4,                          "normal"                        },
1536   { 8,                          "fast"                          },
1537   { 16,                         "very fast"                     },
1538   { 32,                         "even faster"                   },
1539
1540   { -1,                         NULL                            }
1541 };
1542
1543 static struct ValueTextInfo options_move_leave_type[] =
1544 {
1545   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1546   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1547
1548   { -1,                         NULL                            }
1549 };
1550
1551 static struct ValueTextInfo options_smash_targets[] =
1552 {
1553   { EP_CAN_SMASH_PLAYER,        "player"                        },
1554 #if 0
1555   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1556 #endif
1557   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1558
1559   { -1,                         NULL                            }
1560 };
1561
1562 static struct ValueTextInfo options_slippery_type[] =
1563 {
1564   { SLIPPERY_ANY_RANDOM,        "random"                        },
1565   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1566   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1567   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1568   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1569
1570   { -1,                         NULL                            }
1571 };
1572
1573 static struct ValueTextInfo options_deadliness[] =
1574 {
1575   { EP_DONT_RUN_INTO,           "running into"                  },
1576   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1577   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1578   { EP_DONT_TOUCH,              "touching"                      },
1579
1580   { -1,                         NULL                            }
1581 };
1582
1583 static struct ValueTextInfo options_explosion_type[] =
1584 {
1585   { EXPLODES_3X3,               "3x3"                           },
1586   { EXPLODES_CROSS,             "3+3"                           },
1587   { EXPLODES_1X1,               "1x1"                           },
1588
1589   { -1,                         NULL                            }
1590 };
1591
1592 static struct ValueTextInfo options_time_units[] =
1593 {
1594   { 1,                          "frames"                        },
1595   { FRAMES_PER_SECOND,          "seconds"                       },
1596
1597   { -1,                         NULL                            }
1598 };
1599
1600 static struct ValueTextInfo options_change_direct_action[] =
1601 {
1602   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1603   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1604   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1605   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1606   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1607   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1608   { CE_LEFT_BY_PLAYER,          "left by player"                },
1609   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1610   { CE_SWITCHED,                "switched"                      },
1611   { CE_HITTING_SOMETHING,       "hitting something"             },
1612   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1613 #if 0
1614   { CE_BLOCKED,                 "blocked"                       },
1615 #endif
1616   { CE_IMPACT,                  "impact (on something)"         },
1617   { CE_SMASHED,                 "smashed (from above)"          },
1618 #if 0
1619   { CE_VALUE_CHANGES,           "CE value changes"              },
1620   { CE_SCORE_CHANGES,           "CE score changes"              },
1621 #endif
1622   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1623   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1624
1625   { -1,                         NULL                            }
1626 };
1627
1628 static struct ValueTextInfo options_change_other_action[] =
1629 {
1630   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1631   { CE_PLAYER_PRESSES_X,        "player presses"                },
1632   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1633   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1634   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1635   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1636   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1637   { CE_PLAYER_DIGS_X,           "player digs"                   },
1638   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1639   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1640   { CE_TOUCHING_X,              "touching"                      },
1641   { CE_HITTING_X,               "hitting"                       },
1642   { CE_DIGGING_X,               "digging"                       },
1643   { CE_HIT_BY_X,                "hit by"                        },
1644   { CE_SWITCH_OF_X,             "switch of"                     },
1645   { CE_CHANGE_OF_X,             "change by page of"             },
1646   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1647   { CE_MOVE_OF_X,               "move of"                       },
1648   { CE_CREATION_OF_X,           "creation of"                   },
1649   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1650   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1651   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1652   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1653
1654   { -1,                         NULL                            }
1655 };
1656
1657 static struct ValueTextInfo options_change_trigger_side[] =
1658 {
1659   { CH_SIDE_LEFT,               "left"                          },
1660   { CH_SIDE_RIGHT,              "right"                         },
1661   { CH_SIDE_TOP,                "top"                           },
1662   { CH_SIDE_BOTTOM,             "bottom"                        },
1663   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1664   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1665   { CH_SIDE_ANY,                "any"                           },
1666
1667   { -1,                         NULL                            }
1668 };
1669
1670 static struct ValueTextInfo options_change_trigger_player[] =
1671 {
1672   { CH_PLAYER_1,                "1"                             },
1673   { CH_PLAYER_2,                "2"                             },
1674   { CH_PLAYER_3,                "3"                             },
1675   { CH_PLAYER_4,                "4"                             },
1676   { CH_PLAYER_ANY,              "any"                           },
1677
1678   { -1,                         NULL                            }
1679 };
1680
1681 static struct ValueTextInfo options_change_trigger_page[] =
1682 {
1683   { (1 << 0),                   "1"                             },
1684   { (1 << 1),                   "2"                             },
1685   { (1 << 2),                   "3"                             },
1686   { (1 << 3),                   "4"                             },
1687   { (1 << 4),                   "5"                             },
1688   { (1 << 5),                   "6"                             },
1689   { (1 << 6),                   "7"                             },
1690   { (1 << 7),                   "8"                             },
1691   { (1 << 8),                   "9"                             },
1692   { (1 << 9),                   "10"                            },
1693   { (1 << 10),                  "11"                            },
1694   { (1 << 11),                  "12"                            },
1695   { (1 << 12),                  "13"                            },
1696   { (1 << 13),                  "14"                            },
1697   { (1 << 14),                  "15"                            },
1698   { (1 << 15),                  "16"                            },
1699   { (1 << 16),                  "17"                            },
1700   { (1 << 17),                  "18"                            },
1701   { (1 << 18),                  "19"                            },
1702   { (1 << 19),                  "20"                            },
1703   { (1 << 20),                  "21"                            },
1704   { (1 << 21),                  "22"                            },
1705   { (1 << 22),                  "23"                            },
1706   { (1 << 23),                  "24"                            },
1707   { (1 << 24),                  "25"                            },
1708   { (1 << 25),                  "26"                            },
1709   { (1 << 26),                  "27"                            },
1710   { (1 << 27),                  "28"                            },
1711   { (1 << 28),                  "29"                            },
1712   { (1 << 29),                  "30"                            },
1713   { (1 << 30),                  "31"                            },
1714   { (1 << 31),                  "32"                            },
1715   { CH_PAGE_ANY,                "any"                           },
1716
1717   { -1,                         NULL                            }
1718 };
1719
1720 static struct ValueTextInfo options_change_replace_when[] =
1721 {
1722   { CP_WHEN_EMPTY,              "empty"                         },
1723   { CP_WHEN_WALKABLE,           "walkable"                      },
1724   { CP_WHEN_DIGGABLE,           "diggable"                      },
1725   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1726   { CP_WHEN_REMOVABLE,          "removable"                     },
1727   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_action_type[] =
1733 {
1734   { CA_NO_ACTION,               "no action"                     },
1735   { CA_UNDEFINED,               " "                             },
1736   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1737   { CA_RESTART_LEVEL,           "restart level"                 },
1738   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1739   { CA_SET_LEVEL_TIME,          "set time"                      },
1740   { CA_SET_LEVEL_SCORE,         "set score"                     },
1741   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1742   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1743   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1744   { CA_UNDEFINED,               " "                             },
1745   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1746   { CA_MOVE_PLAYER,             "move player"                   },
1747   { CA_EXIT_PLAYER,             "exit player"                   },
1748   { CA_KILL_PLAYER,             "kill player"                   },
1749   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1750   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1751   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1752   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1753   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1754   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1755   { CA_UNDEFINED,               " "                             },
1756   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1757   { CA_SET_CE_VALUE,            "set CE value"                  },
1758   { CA_SET_CE_SCORE,            "set CE score"                  },
1759   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1760   { CA_UNDEFINED,               " "                             },
1761   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1762   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1763
1764   { -1,                         NULL                            }
1765 };
1766
1767 static struct ValueTextInfo options_action_mode_none[] =
1768 {
1769   { CA_MODE_UNDEFINED,          " "                             },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_action_mode_assign[] =
1775 {
1776   { CA_MODE_SET,                "="                             },
1777
1778   { -1,                         NULL                            }
1779 };
1780
1781 static struct ValueTextInfo options_action_mode_add_remove[] =
1782 {
1783   { CA_MODE_ADD,                "+"                             },
1784   { CA_MODE_SUBTRACT,           "-"                             },
1785
1786   { -1,                         NULL                            }
1787 };
1788
1789 static struct ValueTextInfo options_action_mode_calculate[] =
1790 {
1791   { CA_MODE_SET,                "="                             },
1792   { CA_MODE_ADD,                "+"                             },
1793   { CA_MODE_SUBTRACT,           "-"                             },
1794   { CA_MODE_MULTIPLY,           "*"                             },
1795   { CA_MODE_DIVIDE,             "/"                             },
1796   { CA_MODE_MODULO,             "%"                             },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_action_arg_none[] =
1802 {
1803   { CA_ARG_UNDEFINED,           "         "                     },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_action_arg_player[] =
1809 {
1810   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1811   { CA_ARG_PLAYER_1,            "1"                             },
1812   { CA_ARG_PLAYER_2,            "2"                             },
1813   { CA_ARG_PLAYER_3,            "3"                             },
1814   { CA_ARG_PLAYER_4,            "4"                             },
1815   { CA_ARG_PLAYER_ANY,          "any"                           },
1816   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1817   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1818
1819   { -1,                         NULL                            }
1820 };
1821
1822 static struct ValueTextInfo options_action_arg_number[] =
1823 {
1824   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1825   { CA_ARG_0,                   "0"                             },
1826   { CA_ARG_1,                   "1"                             },
1827   { CA_ARG_2,                   "2"                             },
1828   { CA_ARG_3,                   "3"                             },
1829   { CA_ARG_4,                   "4"                             },
1830   { CA_ARG_5,                   "5"                             },
1831   { CA_ARG_10,                  "10"                            },
1832   { CA_ARG_100,                 "100"                           },
1833   { CA_ARG_1000,                "1000"                          },
1834   { CA_ARG_UNDEFINED,           " "                             },
1835   { CA_ARG_NUMBER_MIN,          "min"                           },
1836   { CA_ARG_NUMBER_MAX,          "max"                           },
1837   { CA_ARG_UNDEFINED,           " "                             },
1838   { CA_ARG_NUMBER_RESET,        "reset"                         },
1839   { CA_ARG_UNDEFINED,           " "                             },
1840   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1841   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1842   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1843   { CA_ARG_UNDEFINED,           " "                             },
1844   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1845   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1846   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1847   { CA_ARG_UNDEFINED,           " "                             },
1848   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1849   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1850   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1851   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1852   { CA_ARG_UNDEFINED,           " "                             },
1853   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1854   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1855   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1856   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1857
1858   { -1,                         NULL                            }
1859 };
1860
1861 static struct ValueTextInfo options_action_arg_value[] =
1862 {
1863   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1864   { CA_ARG_0,                   "0"                             },
1865   { CA_ARG_1,                   "1"                             },
1866   { CA_ARG_2,                   "2"                             },
1867   { CA_ARG_3,                   "3"                             },
1868   { CA_ARG_4,                   "4"                             },
1869   { CA_ARG_5,                   "5"                             },
1870   { CA_ARG_10,                  "10"                            },
1871   { CA_ARG_100,                 "100"                           },
1872   { CA_ARG_1000,                "1000"                          },
1873   { CA_ARG_UNDEFINED,           " "                             },
1874   { CA_ARG_NUMBER_MIN,          "min"                           },
1875   { CA_ARG_NUMBER_MAX,          "max"                           },
1876   { CA_ARG_UNDEFINED,           " "                             },
1877   { CA_ARG_NUMBER_RESET,        "reset"                         },
1878   { CA_ARG_UNDEFINED,           " "                             },
1879   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1880   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1881   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1882   { CA_ARG_UNDEFINED,           " "                             },
1883   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1884   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1885   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1886   { CA_ARG_UNDEFINED,           " "                             },
1887   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1888   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1889   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1890   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1891   { CA_ARG_UNDEFINED,           " "                             },
1892   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1893   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1894   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1895   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1896   { CA_ARG_UNDEFINED,           " "                             },
1897   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1898   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1899   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1900   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_action_arg_envelope[] =
1906 {
1907   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1908   { CA_ARG_1,                   "1"                             },
1909   { CA_ARG_2,                   "2"                             },
1910   { CA_ARG_3,                   "3"                             },
1911   { CA_ARG_4,                   "4"                             },
1912   { CA_ARG_UNDEFINED,           " "                             },
1913   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1914   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1915   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1916   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1917
1918   { -1,                         NULL                            }
1919 };
1920
1921 static struct ValueTextInfo options_action_arg_key[] =
1922 {
1923   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1924   { CA_ARG_1,                   "1"                             },
1925   { CA_ARG_2,                   "2"                             },
1926   { CA_ARG_3,                   "3"                             },
1927   { CA_ARG_4,                   "4"                             },
1928   { CA_ARG_5,                   "5"                             },
1929   { CA_ARG_6,                   "6"                             },
1930   { CA_ARG_7,                   "7"                             },
1931   { CA_ARG_8,                   "8"                             },
1932   { CA_ARG_UNDEFINED,           " "                             },
1933   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1934   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1935   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1936   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1937
1938   { -1,                         NULL                            }
1939 };
1940
1941 static struct ValueTextInfo options_action_arg_speed[] =
1942 {
1943   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1944   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1945   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1946   { CA_ARG_SPEED_SLOW,          "slow"                          },
1947   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1948   { CA_ARG_SPEED_FAST,          "fast"                          },
1949   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1950   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1951   { CA_ARG_UNDEFINED,           " "                             },
1952   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1953   { CA_ARG_SPEED_FASTER,        "faster"                        },
1954   { CA_ARG_UNDEFINED,           " "                             },
1955   { CA_ARG_SPEED_RESET,         "reset"                         },
1956
1957   { -1,                         NULL                            }
1958 };
1959
1960 static struct ValueTextInfo options_action_arg_shield[] =
1961 {
1962   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1963   { CA_ARG_SHIELD_OFF,          "off"                           },
1964   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1965   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1966
1967   { -1,                         NULL                            }
1968 };
1969
1970 static struct ValueTextInfo options_action_arg_artwork[] =
1971 {
1972   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1973   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1974   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1975   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1976   { CA_ARG_UNDEFINED,           " "                             },
1977   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1978
1979   { -1,                         NULL                            }
1980 };
1981
1982 static struct ValueTextInfo options_action_arg_gravity[] =
1983 {
1984   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1985   { CA_ARG_GRAVITY_ON,          "on"                            },
1986   { CA_ARG_GRAVITY_OFF,         "off"                           },
1987   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_action_arg_direction[] =
1993 {
1994   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1995   { CA_ARG_DIRECTION_NONE,      "none"                          },
1996   { CA_ARG_DIRECTION_LEFT,      "left"                          },
1997   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
1998   { CA_ARG_DIRECTION_UP,        "up"                            },
1999   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2000   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2001   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2002
2003   { -1,                         NULL                            }
2004 };
2005
2006 static struct ValueTextInfo options_action_arg_scan_mode[] =
2007 {
2008   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2009   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2010   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2011
2012   { -1,                         NULL                            }
2013 };
2014
2015 static struct ValueTextInfo options_action_arg_inventory[] =
2016 {
2017   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2018   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2019   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2020   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2021   { CA_ARG_UNDEFINED,           " "                             },
2022   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2023   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2024   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2025   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2026   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2027   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2028   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2029   { CA_ARG_UNDEFINED,           " "                             },
2030   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2031
2032   { -1,                         NULL                            }
2033 };
2034
2035 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2036 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2037 {
2038   { -1,                         NULL                            }
2039 };
2040
2041 static struct ValueTextInfo options_group_choice_mode[] =
2042 {
2043   { ANIM_RANDOM,                "random"                        },
2044   { ANIM_LOOP,                  "loop"                          },
2045   { ANIM_LINEAR,                "linear"                        },
2046   { ANIM_PINGPONG,              "pingpong"                      },
2047   { ANIM_PINGPONG2,             "pingpong 2"                    },
2048
2049   { -1,                         NULL                            }
2050 };
2051
2052 static struct ValueTextInfo *action_arg_modes[] =
2053 {
2054   options_action_mode_none,
2055   options_action_mode_assign,
2056   options_action_mode_add_remove,
2057   options_action_mode_calculate,
2058 };
2059
2060 static struct
2061 {
2062   int value;
2063   int mode;
2064   struct ValueTextInfo *options;
2065 }
2066 action_arg_options[] =
2067 {
2068   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2069   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2070   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2071   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2072   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2073   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2074   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2075   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2076   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2077   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2078   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2079   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2080   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2081   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2082   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2083   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2084   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2085   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2086   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2087   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2088   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2089
2090   { -1,                         FALSE,  NULL                            }
2091 };
2092
2093 static struct
2094 {
2095   int x, y;
2096   int gadget_id;
2097   int gadget_id_align;
2098   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2099   struct ValueTextInfo *options;
2100   int *value;
2101   char *text_left, *text_right, *infotext;
2102 } selectbox_info[ED_NUM_SELECTBOX] =
2103 {
2104   /* ---------- level and editor settings ---------------------------------- */
2105
2106   {
2107     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2108     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2109     -1,
2110     options_time_or_steps,
2111     &level.use_step_counter,
2112     NULL, "(0 => no limit)",            "time or step limit"
2113   },
2114   {
2115     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2116     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2117     -1,
2118     options_game_engine_type,
2119     &level.game_engine_type,
2120     "game engine:", NULL,               "game engine"
2121   },
2122   {
2123     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2124     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2125     -1,
2126     options_wind_direction,
2127     &level.wind_direction_initial,
2128     "initial wind direction:", NULL,    "initial wind direction"
2129   },
2130
2131   /* ---------- element settings: configure (several elements) ------------- */
2132
2133   {
2134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2135     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2136     -1,
2137     options_player_speed,
2138     &level.initial_player_stepsize[0],
2139     "initial player speed:", NULL,      "initial player speed"
2140   },
2141
2142   /* ---------- element settings: configure 1 (custom elements) ------------ */
2143
2144   {
2145     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2146     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2147     -1,
2148     options_access_type,
2149     &custom_element.access_type,
2150     NULL, NULL,                         "type of access to this field"
2151   },
2152   {
2153     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2154     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2155     -1,
2156     options_access_layer,
2157     &custom_element.access_layer,
2158     NULL, NULL,                         "layer of access for this field"
2159   },
2160   {
2161     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2162     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2163     -1,
2164     options_access_protected,
2165     &custom_element.access_protected,
2166     NULL, NULL,                         "protected access for this field"
2167   },
2168   {
2169     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2170     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2171     -1,
2172     options_access_direction,
2173     &custom_element.access_direction,
2174     "from", NULL,                       "access direction for this field"
2175   },
2176   {
2177     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2178     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2179     -1,
2180     options_walk_to_action,
2181     &custom_element.walk_to_action,
2182     NULL, NULL,                         "diggable/collectible/pushable"
2183   },
2184
2185   /* ---------- element settings: configure 2 (custom elements) ------------ */
2186
2187   {
2188     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2189     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2190     -1,
2191     options_move_pattern,
2192     &custom_element.move_pattern,
2193     "can move", NULL,                   "element move pattern"
2194   },
2195   {
2196     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2197     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2198     -1,
2199     options_move_direction,
2200     &custom_element.move_direction_initial,
2201     "starts moving", NULL,              "initial element move direction"
2202   },
2203   {
2204     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2205     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2206     -1,
2207     options_move_stepsize,
2208     &custom_element.move_stepsize,
2209     "move/fall speed", NULL,            "speed of element movement"
2210   },
2211   {
2212     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2213     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2214     -1,
2215     options_move_leave_type,
2216     &custom_element.move_leave_type,
2217     "can dig:    can", ":",             "leave behind or change element"
2218   },
2219   {
2220     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2221     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2222     -1,
2223     options_smash_targets,
2224     &custom_element.smash_targets,
2225     "can smash", NULL,                  "elements that can be smashed"
2226   },
2227   {
2228     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2229     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2230     -1,
2231     options_slippery_type,
2232     &custom_element.slippery_type,
2233     "slippery", NULL,                   "where other elements fall down"
2234   },
2235   {
2236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2237     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2238     -1,
2239     options_deadliness,
2240     &custom_element.deadliness,
2241     "deadly when", NULL,                "deadliness of element"
2242   },
2243   {
2244     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2245     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2246     -1,
2247     options_explosion_type,
2248     &custom_element.explosion_type,
2249     "can explode", NULL,                "explosion type"
2250   },
2251
2252   /* ---------- element settings: advanced (custom elements) --------------- */
2253
2254   {
2255     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2256     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2257     -1,
2258     options_time_units,
2259     &custom_element_change.delay_frames,
2260     "delay time given in", NULL,        "delay time units for change"
2261   },
2262   {
2263     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2264     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2265     -1,
2266     options_change_direct_action,
2267     &custom_element_change.direct_action,
2268     NULL, NULL,                         "type of direct action"
2269   },
2270   {
2271     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2272     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2273     -1,
2274     options_change_other_action,
2275     &custom_element_change.other_action,
2276     NULL, "element:",                   "type of other element action"
2277   },
2278   {
2279     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2280     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2281     -1,
2282     options_change_trigger_side,
2283     &custom_element_change.trigger_side,
2284     "at", "side",                       "element side triggering change"
2285   },
2286   {
2287     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2288     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2289     -1,
2290     options_change_trigger_player,
2291     &custom_element_change.trigger_player,
2292     "player:", " ",                     "player that causes change"
2293   },
2294   {
2295     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2296     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2297     -1,
2298     options_change_trigger_page,
2299     &custom_element_change.trigger_page,
2300     "page:", NULL,                      "change page that causes change"
2301   },
2302   {
2303     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2304     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2305     -1,
2306     options_change_replace_when,
2307     &custom_element_change.replace_when,
2308     "replace when", NULL,               "which elements can be replaced"
2309   },
2310   {
2311     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2312     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2313     -1,
2314     options_action_type,
2315     &custom_element_change.action_type,
2316     NULL, NULL,                         "action on specified condition"
2317   },
2318   {
2319     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2320     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2321     -1,
2322     options_action_mode_none,
2323     &custom_element_change.action_mode,
2324     NULL, NULL,                         "action operator"
2325   },
2326   {
2327     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2328     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2329     -1,
2330     options_action_arg_none,
2331     &custom_element_change.action_arg,
2332     NULL, NULL,                         "action parameter"
2333   },
2334   {
2335     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2336     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2337     3,
2338     options_change_page,
2339     &custom_element.current_change_page,
2340     NULL, NULL,                         "element change page"
2341   },
2342
2343   /* ---------- element settings: configure (group elements) --------------- */
2344
2345   {
2346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2347     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2348     -1,
2349     options_group_choice_mode,
2350     &group_element_info.choice_mode,
2351     "choice type:", NULL,               "type of group element choice"
2352   },
2353 };
2354
2355 static struct
2356 {
2357   int x, y;
2358   int gadget_id;
2359   int gadget_id_align;
2360   int size;
2361   char *text;
2362   char *text_left, *text_right, *infotext;
2363 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2364 {
2365   {
2366     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2367     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2368     8,                                  "Level",
2369     NULL, NULL,                         "Configure level properties"
2370   },
2371   {
2372     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2373     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2374     8,                                  "Editor",
2375     NULL, NULL,                         "Configure editor properties"
2376   },
2377   {
2378     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2379     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2380     8,                                  "Info",
2381     NULL, NULL,                         "Show information about element"
2382   },
2383   {
2384     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2385     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2386     8,                                  "Config",
2387     NULL, NULL,                         "Configure element properties"
2388   },
2389   {
2390     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2391     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2392     8,                                  "Config 1",
2393     NULL, NULL,                         "Configure element properties, part 1"
2394   },
2395   {
2396     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2397     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2398     8,                                  "Config 2",
2399     NULL, NULL,                         "Configure element properties, part 2"
2400   },
2401   {
2402     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2403     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2404     8,                                  "Change",
2405     NULL, NULL,                         "Configure custom element change pages"
2406   },
2407   {
2408     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2409     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2410     -1,                                 "Save",
2411     " ", "As Template",                 "Save current settings as new template"
2412   },
2413   {
2414     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2415     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2416     -1,                                 "New",
2417     NULL, NULL,                         "Add new change page"
2418   },
2419   {
2420     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2421     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2422     -1,                                 "Delete",
2423     NULL, NULL,                         "Delete current change page"
2424   },
2425 };
2426
2427 static struct
2428 {
2429   int gd_x, gd_y;
2430   int x, y;
2431   int width, height;
2432   int gadget_id;
2433   int gadget_id_align;
2434   char *text_left, *text_right, *infotext;
2435 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2436 {
2437   {
2438     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2440     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2441     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2442     NULL, NULL,                         "select previous change page"
2443   },
2444   {
2445     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2446     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2447     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2448     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2449     NULL, "change page",                "select next change page"
2450   },
2451   {
2452     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2453     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2454     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2455     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2456     " ", NULL,                          "copy settings from this change page"
2457   },
2458   {
2459     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2460     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2461     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2462     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2463     NULL, NULL,                         "paste settings to this change page"
2464   },
2465 };
2466
2467 static struct
2468 {
2469   int gd_x, gd_y;
2470   int x, y;
2471   int gadget_id;
2472   char *infotext;
2473 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2474 {
2475   {
2476     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
2477     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
2478     GADGET_ID_SCROLL_UP,
2479     "scroll level editing area up"
2480   },
2481   {
2482     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
2483     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
2484     GADGET_ID_SCROLL_DOWN,
2485     "scroll level editing area down"
2486   },
2487   {
2488     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
2489     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
2490     GADGET_ID_SCROLL_LEFT,
2491     "scroll level editing area left"
2492   },
2493   {
2494     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
2495     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
2496     GADGET_ID_SCROLL_RIGHT,
2497     "scroll level editing area right"
2498   },
2499   {
2500     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
2501     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
2502     GADGET_ID_SCROLL_LIST_UP,
2503     "scroll element list up ('Page Up')"
2504   },
2505   {
2506     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
2507     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
2508     GADGET_ID_SCROLL_LIST_DOWN,
2509     "scroll element list down ('Page Down')"
2510   },
2511 };
2512
2513 static struct
2514 {
2515   int gd_x, gd_y;
2516   int x, y;
2517   int width, height;
2518   int wheel_x, wheel_y;
2519   int wheel_width, wheel_height;
2520   int type;
2521   int gadget_id;
2522   char *infotext;
2523 } scrollbar_info[ED_NUM_SCROLLBARS] =
2524 {
2525   {
2526     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2527     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
2528     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
2529     SX,                                 SY,
2530     SXSIZE,                             SYSIZE,
2531     GD_TYPE_SCROLLBAR_HORIZONTAL,
2532     GADGET_ID_SCROLL_HORIZONTAL,
2533     "scroll level editing area horizontally"
2534   },
2535   {
2536     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2537     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
2538     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
2539     SX,                                 SY,
2540     SXSIZE,                             SYSIZE,
2541     GD_TYPE_SCROLLBAR_VERTICAL,
2542     GADGET_ID_SCROLL_VERTICAL,
2543     "scroll level editing area vertically"
2544   },
2545   {
2546     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
2547     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
2548     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2549     DX,                                 DY,
2550     DXSIZE,                             DYSIZE,
2551     GD_TYPE_SCROLLBAR_VERTICAL,
2552     GADGET_ID_SCROLL_LIST_VERTICAL,
2553     "scroll element list vertically"
2554   }
2555 };
2556
2557 static struct
2558 {
2559   int x, y;
2560   int gadget_id;
2561   int gadget_id_align;
2562   int radio_button_nr;
2563   int *value;
2564   int checked_value;
2565   char *text_left, *text_right, *infotext;
2566 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2567 {
2568   {
2569     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2570     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2571     RADIO_NR_RANDOM_ELEMENTS,
2572     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2573     " ", "percentage",                  "use percentage for random elements"
2574   },
2575   {
2576     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2577     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2578     RADIO_NR_RANDOM_ELEMENTS,
2579     &random_placement_method,           RANDOM_USE_QUANTITY,
2580     " ", "quantity",                    "use quantity for random elements"
2581   }
2582 };
2583
2584 static struct
2585 {
2586   int x, y;
2587   int gadget_id;
2588   int gadget_id_align;
2589   boolean *value;
2590   char *text_left, *text_right, *infotext;
2591 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2592 {
2593   /* ---------- level and editor settings ---------------------------------- */
2594
2595   {
2596     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2597     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2598     &random_placement_background_restricted,
2599     NULL,
2600     "restrict random placement to:",    "set random placement restriction"
2601   },
2602
2603   /* ---------- element settings: configure (various elements) ------------- */
2604
2605   {
2606     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2607     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2608     &stick_element_properties_window,
2609     NULL,
2610     "stick this screen to edit content","stick this screen to edit content"
2611   },
2612   {
2613     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2614     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2615     &level.em_slippery_gems,
2616     NULL,
2617     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2618   },
2619   {
2620     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2621     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2622     &level.em_explodes_by_fire,
2623     NULL,
2624     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2625   },
2626   {
2627     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2628     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2629     &level.use_spring_bug,
2630     NULL,
2631     "use spring pushing bug",           "use odd spring pushing behaviour"
2632   },
2633   {
2634     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2635     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2636     &level.use_time_orb_bug,
2637     NULL,
2638     "use time orb bug",                 "use odd time orb behaviour"
2639   },
2640   {
2641     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2642     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2643     &level.ball_random,
2644     NULL,
2645     "create single random element",     "only create one element from content"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2649     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2650     &level.ball_state_initial,
2651     NULL,
2652     "magic ball initially activated",   "activate magic ball after level start"
2653   },
2654   {
2655     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2656     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2657     &level.grow_into_diggable,
2658     NULL,
2659     "can grow into anything diggable",  "grow into more than just sand"
2660   },
2661   {
2662     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2663     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2664     &level.auto_exit_sokoban,
2665     NULL,
2666     "exit level if all fields solved",  "automatically finish Sokoban levels"
2667   },
2668   {
2669     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2670     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2671     &level.continuous_snapping,
2672     NULL,
2673     "continuos snapping",               "use snapping without releasing key"
2674   },
2675   {
2676     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2677     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2678     &level.block_snap_field,
2679     NULL,
2680     "block snapped field when snapping", "use snapping delay to show animation"
2681   },
2682   {
2683     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2684     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2685     &level.block_last_field,
2686     NULL,
2687     "block last field when moving",     "player blocks last field when moving"
2688   },
2689   {
2690     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2691     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2692     &level.sp_block_last_field,
2693     NULL,
2694     "block last field when moving",     "player blocks last field when moving"
2695   },
2696   {
2697     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2698     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2699     &level.instant_relocation,
2700     NULL,
2701     "no scrolling when relocating",     "player gets relocated without delay"
2702   },
2703   {
2704     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2705     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2706     &level.shifted_relocation,
2707     NULL,
2708     "no centering when relocating",     "level not centered after relocation"
2709   },
2710   {
2711     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2712     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2713     &level.use_start_element[0],
2714     NULL,
2715     "use level start element:",        "start level at this element's position"
2716   },
2717   {
2718     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2719     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2720     &level.use_artwork_element[0],
2721     NULL,
2722     "use artwork from element:",        "use player artwork from other element"
2723   },
2724   {
2725     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2726     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2727     &level.use_explosion_element[0],
2728     NULL,
2729     "use explosion from element:",      "use explosion properties from element"
2730   },
2731   {
2732     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2733     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2734     &level.initial_player_gravity[0],
2735     NULL,
2736     "use initial gravity",              "set initial player gravity"
2737   },
2738   {
2739     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2740     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2741     &level.use_initial_inventory[0],
2742     NULL,
2743     "use initial inventory:",           "use collected elements on level start"
2744   },
2745   {
2746     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2747     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2748     &level.can_pass_to_walkable,
2749     NULL,
2750     "can pass to walkable element",     "player can pass to empty or walkable"
2751   },
2752   {
2753     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2754     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2755     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2756     NULL,
2757     "can fall into acid (with gravity)","player can fall into acid pool"
2758   },
2759   {
2760     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2761     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2762     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2763     NULL,
2764     "can move into acid",               "element can move into acid pool"
2765   },
2766   {
2767     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2768     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2769     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2770     NULL,
2771     "deadly when colliding with",       "element is deadly when hitting player"
2772   },
2773   {
2774     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2775     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2776     &level.envelope[0].autowrap,
2777     NULL,
2778     "auto-wrap",                        "automatically wrap envelope text"
2779   },
2780   {
2781     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2782     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2783     &level.envelope[0].centered,
2784     " ",
2785     "centered",                         "automatically center envelope text"
2786   },
2787
2788   /* ---------- element settings: configure 1 (custom elements) ----------- */
2789
2790   {
2791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2792     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2793     &custom_element.use_gfx_element,
2794
2795     /* !!! add separate "use existing element sound" !!! */
2796 #if 0
2797     NULL,
2798     "use graphic/sound of element:",    "use existing graphic and sound"
2799 #else
2800     NULL,
2801     "use graphic of element:",          "use existing element graphic"
2802 #endif
2803   },
2804   {
2805     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2806     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2807     &level.use_custom_template,
2808     NULL,
2809     "use template",                     "use template for custom properties"
2810   },
2811   {
2812     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2813     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2814     &custom_element_properties[EP_ACCESSIBLE],
2815     NULL,
2816     NULL,                               "player can walk to or pass this field"
2817   },
2818   {
2819     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2820     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2821     &custom_element_properties[EP_GRAVITY_REACHABLE],
2822     NULL,
2823     "reachable despite gravity",        "player can walk/dig despite gravity"
2824   },
2825   {
2826     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2827     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2828     &custom_element.use_last_ce_value,
2829     NULL,
2830     "use last CE value after change",   "use last CE value after change"
2831   },
2832   {
2833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2834     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2835     &custom_element_properties[EP_WALK_TO_OBJECT],
2836     NULL,
2837     NULL,                               "player can dig/collect/push element"
2838   },
2839   {
2840     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2841     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2842     &custom_element_properties[EP_INDESTRUCTIBLE],
2843     NULL,
2844     "indestructible",                   "element is indestructible"
2845   },
2846
2847   /* ---------- element settings: configure 2 (custom elements) ----------- */
2848
2849   {
2850     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2851     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2852     &custom_element_properties[EP_CAN_MOVE],
2853     NULL,
2854     NULL,                               "element can move with some pattern"
2855   },
2856   {
2857     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2858     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2859     &custom_element_properties[EP_CAN_FALL],
2860     NULL,
2861     "can fall",                         "element can fall down"
2862   },
2863   {
2864     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2865     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2866     &custom_element_properties[EP_CAN_SMASH],
2867     " ",
2868     NULL,                               "element can smash other elements"
2869   },
2870   {
2871     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2872     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2873     &custom_element_properties[EP_SLIPPERY],
2874     NULL,
2875     NULL,                               "other elements can fall down from it"
2876   },
2877   {
2878     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2879     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2880     &custom_element_properties[EP_DEADLY],
2881     NULL,
2882     NULL,                               "element can kill the player"
2883   },
2884   {
2885     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2886     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2887     &custom_element_properties[EP_CAN_EXPLODE],
2888     NULL,
2889     NULL,                               "element can explode"
2890   },
2891   {
2892     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2893     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2894     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2895     NULL,
2896     "by fire",                          "element can explode by fire/explosion"
2897   },
2898   {
2899     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2900     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2901     &custom_element_properties[EP_EXPLODES_SMASHED],
2902     " ",
2903     "smashed",                          "element can explode when smashed"
2904   },
2905   {
2906     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2907     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2908     &custom_element_properties[EP_EXPLODES_IMPACT],
2909     " ",
2910     "impact",                           "element can explode on impact"
2911   },
2912
2913   /* ---------- element settings: advanced (custom elements) --------------- */
2914
2915   {
2916     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2917     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2918     &custom_element_change.can_change,
2919     NULL,
2920     "element changes to:",              "change element on specified condition"
2921   },
2922   {
2923     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2924     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2925     &custom_element_change_events[CE_DELAY],
2926     NULL,
2927     NULL,                               "element changes after delay"
2928   },
2929   {
2930     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2931     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2932     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2933     NULL,
2934     NULL,                               "element changes by direct action"
2935   },
2936   {
2937     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2938     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2939     &custom_element_change_events[CE_BY_OTHER_ACTION],
2940     NULL,
2941     NULL,                               "element changes by other element"
2942   },
2943   {
2944     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2945     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2946     &custom_element_change.explode,
2947     NULL,
2948     "explode instead of change",        "element explodes instead of change"
2949   },
2950   {
2951     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2952     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2953     &custom_element_change.use_target_content,
2954     NULL,
2955     "use extended change target:",      "element changes to more elements"
2956   },
2957   {
2958     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2959     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2960     &custom_element_change.only_if_complete,
2961     NULL,
2962     "replace all or nothing",           "only replace when all can be changed"
2963   },
2964   {
2965     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
2966     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2967     &custom_element_change.use_random_replace,
2968     NULL,
2969     NULL,                               "use percentage for random replace"
2970   },
2971   {
2972     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2973     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
2974     &custom_element_change.has_action,
2975     NULL,
2976     NULL,                               "execute action on specified condition"
2977   },
2978 };
2979
2980 static struct
2981 {
2982   int x, y;
2983   int gadget_id;
2984   int gadget_id_align;
2985   int *value;
2986   int area_xsize, area_ysize;
2987   char *text_left, *text_right, *text_below, *infotext;
2988 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2989 {
2990   /* ---------- level playfield content ------------------------------------ */
2991
2992   {
2993     0,                                  0,
2994     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
2995     NULL,                               MAX_ED_FIELDX, MAX_ED_FIELDY,
2996     NULL, NULL, NULL,                   NULL
2997   },
2998
2999   /* ---------- yam yam content -------------------------------------------- */
3000
3001   {
3002     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3003     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3004     &level.yamyam_content[0].e[0][0],   3, 3,
3005     NULL, NULL, "1",                    NULL
3006   },
3007   {
3008     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3009     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3010     &level.yamyam_content[1].e[0][0],   3, 3,
3011     NULL, NULL, "2",                    NULL
3012   },
3013   {
3014     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3015     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3016     &level.yamyam_content[2].e[0][0],   3, 3,
3017     NULL, NULL, "3",                    NULL
3018   },
3019   {
3020     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3021     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3022     &level.yamyam_content[3].e[0][0],   3, 3,
3023     NULL, NULL, "4",                    NULL
3024   },
3025   {
3026     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3027     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3028     &level.yamyam_content[4].e[0][0],   3, 3,
3029     NULL, NULL, "5",                    NULL
3030   },
3031   {
3032     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3033     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3034     &level.yamyam_content[5].e[0][0],   3, 3,
3035     NULL, NULL, "6",                    NULL
3036   },
3037   {
3038     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3039     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3040     &level.yamyam_content[6].e[0][0],   3, 3,
3041     NULL, NULL, "7",                    NULL
3042   },
3043   {
3044     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3045     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3046     &level.yamyam_content[7].e[0][0],   3, 3,
3047     NULL, NULL, "8",                    NULL
3048   },
3049
3050   /* ---------- magic ball content ----------------------------------------- */
3051
3052   {
3053     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3054     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3055     &level.ball_content[0].e[0][0],     3, 3,
3056     NULL, NULL, "1",                    NULL
3057   },
3058   {
3059     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3060     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3061     &level.ball_content[1].e[0][0],     3, 3,
3062     NULL, NULL, "2",                    NULL
3063   },
3064   {
3065     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3066     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3067     &level.ball_content[2].e[0][0],     3, 3,
3068     NULL, NULL, "3",                    NULL
3069   },
3070   {
3071     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3072     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3073     &level.ball_content[3].e[0][0],     3, 3,
3074     NULL, NULL, "4",                    NULL
3075   },
3076   {
3077     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3078     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3079     &level.ball_content[4].e[0][0],     3, 3,
3080     NULL, NULL, "5",                    NULL
3081   },
3082   {
3083     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3084     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3085     &level.ball_content[5].e[0][0],     3, 3,
3086     NULL, NULL, "6",                    NULL
3087   },
3088   {
3089     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3090     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3091     &level.ball_content[6].e[0][0],     3, 3,
3092     NULL, NULL, "7",                    NULL
3093   },
3094   {
3095     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3096     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3097     &level.ball_content[7].e[0][0],     3, 3,
3098     NULL, NULL, "8",                    NULL
3099   },
3100
3101   /* ---------- android content -------------------------------------------- */
3102
3103   {
3104     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3105     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3106     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3107     "elements:", NULL, NULL,            "elements android can clone"
3108   },
3109
3110   /* ---------- amoeba content --------------------------------------------- */
3111
3112   {
3113     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3114     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3115     &level.amoeba_content,              1, 1,
3116     "content:", NULL, NULL,             "amoeba content"
3117   },
3118
3119   /* ---------- level start element ---------------------------------------- */
3120
3121   {
3122     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3123     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3124     &level.start_element[0],            1, 1,
3125     NULL, NULL, NULL,                   "level start element"
3126   },
3127
3128   /* ---------- player artwork element ------------------------------------- */
3129
3130   {
3131     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3132     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3133     &level.artwork_element[0],          1, 1,
3134     NULL, NULL, NULL,                   "element for player artwork"
3135   },
3136
3137   /* ---------- player explosion element ----------------------------------- */
3138
3139   {
3140     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3141     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3142     &level.explosion_element[0],        1, 1,
3143     NULL, NULL, NULL,                   "element for player explosion"
3144   },
3145
3146   /* ---------- player initial inventory ----------------------------------- */
3147
3148   {
3149     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3150     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3151     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3152     NULL, NULL, NULL,                   "content for initial inventory"
3153   },
3154
3155   /* ---------- element settings: configure 1 (custom elements) ----------- */
3156
3157   /* ---------- custom graphic --------------------------------------------- */
3158
3159   {
3160     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3161     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3162     &custom_element.gfx_element_initial,1, 1,
3163     NULL, NULL, NULL,                   "custom graphic element"
3164   },
3165
3166   /* ---------- element settings: configure 2 (custom elements) ----------- */
3167
3168   /* ---------- custom content (when exploding) ---------------------------- */
3169
3170   {
3171     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3172     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3173     &custom_element.content.e[0][0],    3, 3,
3174     "content:", NULL, NULL,             NULL
3175   },
3176
3177   /* ---------- custom enter and leave element (when moving) --------------- */
3178
3179   {
3180     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3181     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3182     &custom_element.move_enter_element, 1, 1,
3183     "can dig:", " ", NULL,              "element that can be digged/collected"
3184   },
3185   {
3186     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3187     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3188     &custom_element.move_leave_element, 1, 1,
3189     NULL, NULL, NULL,                   "element that will be left behind"
3190   },
3191
3192   /* ---------- element settings: advanced (custom elements) --------------- */
3193
3194   /* ---------- custom change target --------------------------------------- */
3195
3196   {
3197     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3198     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3199     &custom_element_change.target_element, 1, 1,
3200     NULL, "after/when:", NULL,          "new target element after change"
3201   },
3202
3203   /* ---------- custom change content (extended change target) ------------- */
3204
3205   {
3206     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3207     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3208     &custom_element_change.target_content.e[0][0], 3, 3,
3209     NULL, NULL, NULL,                   "new extended elements after change"
3210   },
3211
3212   /* ---------- custom change trigger (element causing change) ------------- */
3213
3214   {
3215     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3216     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3217     &custom_element_change.initial_trigger_element, 1, 1,
3218     NULL, NULL, NULL,                   "other element triggering change"
3219   },
3220
3221   /* ---------- custom change action (element used for action) ------------- */
3222
3223   {
3224     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3225     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3226     &custom_element_change.action_element, 1, 1,
3227     NULL, NULL, NULL,                   "element used as action parameter"
3228   },
3229
3230   /* ---------- group element content -------------------------------------- */
3231
3232   {
3233     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3234     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3235     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3236     "content:", NULL, NULL,             NULL
3237   },
3238
3239   /* ---------- random background (for random painting) -------------------- */
3240
3241   {
3242     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3243     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3244     &random_placement_background_element, 1, 1,
3245     NULL, NULL, NULL,                   "random placement background"
3246   },
3247 };
3248
3249
3250 /*
3251   -----------------------------------------------------------------------------
3252   some internally used variables
3253   -----------------------------------------------------------------------------
3254 */
3255
3256 /* actual size of level editor drawing area */
3257 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
3258
3259 /* actual position of level editor drawing area in level playfield */
3260 static int level_xpos = -1, level_ypos = -1;
3261
3262 #if 1
3263 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3264 #else
3265 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
3266 #endif
3267
3268 /* drawing elements on the three mouse buttons */
3269 static int new_element1 = EL_WALL;
3270 static int new_element2 = EL_EMPTY;
3271 static int new_element3 = EL_SAND;
3272
3273 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3274 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3275                                 (button) == 2 ? new_element2 : \
3276                                 (button) == 3 ? new_element3 : EL_EMPTY)
3277 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3278
3279 /* forward declaration for internal use */
3280 static void ModifyEditorCounterValue(int, int);
3281 static void ModifyEditorCounterLimits(int, int, int);
3282 static void ModifyEditorSelectboxValue(int, int);
3283 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3284 static void ModifyEditorDrawingArea(int, int, int);
3285 static void ModifyEditorElementList();
3286 static void AdjustElementListScrollbar();
3287 static void RedrawDrawingElements();
3288 static void DrawDrawingWindow();
3289 static void DrawLevelInfoWindow();
3290 static void DrawPropertiesWindow();
3291 static void UpdateCustomElementGraphicGadgets();
3292 static boolean checkPropertiesConfig(int);
3293 static void CopyLevelToUndoBuffer(int);
3294 static void HandleDrawingAreas(struct GadgetInfo *);
3295 static void HandleCounterButtons(struct GadgetInfo *);
3296 static void HandleTextInputGadgets(struct GadgetInfo *);
3297 static void HandleTextAreaGadgets(struct GadgetInfo *);
3298 static void HandleSelectboxGadgets(struct GadgetInfo *);
3299 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3300 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3301 static void HandleRadiobuttons(struct GadgetInfo *);
3302 static void HandleCheckbuttons(struct GadgetInfo *);
3303 static void HandleControlButtons(struct GadgetInfo *);
3304 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3305 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3306
3307 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
3308 static int right_gadget_border[NUM_EDITOR_GADGETS];
3309
3310 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3311 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3312 static boolean draw_with_brush = FALSE;
3313 static int properties_element = 0;
3314
3315 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3316 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3317 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3318 static int undo_buffer_position = 0;
3319 static int undo_buffer_steps = 0;
3320
3321 static int edit_mode;
3322 static int edit_mode_levelinfo;
3323 static int edit_mode_properties;
3324
3325 static int element_shift = 0;
3326
3327 static int editor_el_players[] =
3328 {
3329   EL_PLAYER_1,
3330   EL_PLAYER_2,
3331   EL_PLAYER_3,
3332   EL_PLAYER_4
3333 };
3334 static int *editor_el_players_ptr = editor_el_players;
3335 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3336
3337 static int editor_hl_boulderdash[] =
3338 {
3339   EL_INTERNAL_CASCADE_BD_ACTIVE,
3340   EL_CHAR('B'),
3341   EL_CHAR('D'),
3342   EL_EMPTY,
3343 };
3344
3345 static int editor_el_boulderdash[] =
3346 {
3347   EL_EMPTY,
3348   EL_SAND,
3349   EL_BD_ROCK,
3350   EL_BD_DIAMOND,
3351
3352   EL_STEELWALL,
3353   EL_BD_WALL,
3354   EL_BD_EXPANDABLE_WALL,
3355   EL_BD_MAGIC_WALL,
3356
3357   EL_BD_AMOEBA,
3358   EL_BD_BUTTERFLY_UP,
3359   EL_BD_FIREFLY_UP,
3360   EL_EXIT_CLOSED,
3361
3362   EL_BD_BUTTERFLY_LEFT,
3363   EL_BD_FIREFLY_LEFT,
3364   EL_BD_BUTTERFLY_RIGHT,
3365   EL_BD_FIREFLY_RIGHT,
3366
3367   EL_EMPTY,
3368   EL_BD_BUTTERFLY_DOWN,
3369   EL_BD_FIREFLY_DOWN,
3370   EL_EXIT_OPEN,
3371 };
3372 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3373 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3374 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3375 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3376
3377 static int editor_hl_emerald_mine[] =
3378 {
3379   EL_INTERNAL_CASCADE_EM_ACTIVE,
3380   EL_CHAR('E'),
3381   EL_CHAR('M'),
3382   EL_EMPTY,
3383 };
3384
3385 static int editor_el_emerald_mine[] =
3386 {
3387   EL_SAND,
3388   EL_ROCK,
3389   EL_QUICKSAND_EMPTY,
3390   EL_QUICKSAND_FULL,
3391
3392   EL_STEELWALL,
3393   EL_WALL,
3394   EL_WALL_SLIPPERY,
3395   EL_MAGIC_WALL,
3396
3397   EL_EMERALD,
3398   EL_DIAMOND,
3399   EL_NUT,
3400   EL_BOMB,
3401
3402   EL_WALL_EMERALD,
3403   EL_WALL_DIAMOND,
3404   EL_DYNAMITE,
3405   EL_DYNAMITE_ACTIVE,
3406
3407   EL_YAMYAM,
3408   EL_BUG_UP,
3409   EL_SPACESHIP_UP,
3410   EL_ROBOT,
3411
3412   EL_BUG_LEFT,
3413   EL_SPACESHIP_LEFT,
3414   EL_BUG_RIGHT,
3415   EL_SPACESHIP_RIGHT,
3416
3417   EL_ROBOT_WHEEL,
3418   EL_BUG_DOWN,
3419   EL_SPACESHIP_DOWN,
3420   EL_INVISIBLE_WALL,
3421
3422   EL_ACID_POOL_TOPLEFT,
3423   EL_ACID,
3424   EL_ACID_POOL_TOPRIGHT,
3425   EL_AMOEBA_DROP,
3426
3427   EL_ACID_POOL_BOTTOMLEFT,
3428   EL_ACID_POOL_BOTTOM,
3429   EL_ACID_POOL_BOTTOMRIGHT,
3430   EL_AMOEBA_WET,
3431
3432   EL_EM_KEY_1,
3433   EL_EM_KEY_2,
3434   EL_EM_KEY_3,
3435   EL_EM_KEY_4,
3436
3437   EL_EM_GATE_1,
3438   EL_EM_GATE_2,
3439   EL_EM_GATE_3,
3440   EL_EM_GATE_4,
3441
3442   EL_EM_GATE_1_GRAY,
3443   EL_EM_GATE_2_GRAY,
3444   EL_EM_GATE_3_GRAY,
3445   EL_EM_GATE_4_GRAY,
3446
3447   EL_EM_EXIT_CLOSED,
3448   EL_EM_EXIT_OPEN,
3449   EL_EM_STEEL_EXIT_CLOSED,
3450   EL_EM_STEEL_EXIT_OPEN,
3451 };
3452 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3453 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3454 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3455 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3456
3457 static int editor_hl_emerald_mine_club[] =
3458 {
3459   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3460   EL_CHAR('E'),
3461   EL_CHAR('M'),
3462   EL_CHAR('C'),
3463 };
3464
3465 static int editor_el_emerald_mine_club[] =
3466 {
3467   EL_EMC_KEY_5,
3468   EL_EMC_KEY_6,
3469   EL_EMC_KEY_7,
3470   EL_EMC_KEY_8,
3471
3472   EL_EMC_GATE_5,
3473   EL_EMC_GATE_6,
3474   EL_EMC_GATE_7,
3475   EL_EMC_GATE_8,
3476
3477   EL_EMC_GATE_5_GRAY,
3478   EL_EMC_GATE_6_GRAY,
3479   EL_EMC_GATE_7_GRAY,
3480   EL_EMC_GATE_8_GRAY,
3481
3482   EL_EMC_STEELWALL_1,
3483   EL_EMC_STEELWALL_2,
3484   EL_EMC_STEELWALL_3,
3485   EL_EMC_STEELWALL_4,
3486
3487   EL_EMC_WALL_13,
3488   EL_EMC_WALL_14,
3489   EL_EMC_WALL_15,
3490   EL_EMC_WALL_16,
3491
3492   EL_EMC_WALL_SLIPPERY_1,
3493   EL_EMC_WALL_SLIPPERY_2,
3494   EL_EMC_WALL_SLIPPERY_3,
3495   EL_EMC_WALL_SLIPPERY_4,
3496
3497   EL_EMC_WALL_1,
3498   EL_EMC_WALL_2,
3499   EL_EMC_WALL_3,
3500   EL_EMC_WALL_4,
3501
3502   EL_EMC_WALL_5,
3503   EL_EMC_WALL_6,
3504   EL_EMC_WALL_7,
3505   EL_EMC_WALL_8,
3506
3507   EL_EMC_WALL_9,
3508   EL_EMC_WALL_10,
3509   EL_EMC_WALL_11,
3510   EL_EMC_WALL_12,
3511
3512   EL_EMC_GRASS,
3513   EL_EMC_FAKE_GRASS,
3514   EL_EMC_PLANT,
3515   EL_EMC_DRIPPER,
3516
3517   EL_EMC_MAGIC_BALL,
3518   EL_EMC_MAGIC_BALL_SWITCH,
3519   EL_SPRING,
3520   EL_EMC_SPRING_BUMPER,
3521
3522   EL_EMC_LENSES,
3523   EL_EMC_MAGNIFIER,
3524   EL_EM_DYNAMITE,
3525   EL_EM_DYNAMITE_ACTIVE,
3526
3527   EL_BALLOON,
3528   EL_YAMYAM_UP,
3529   EL_BALLOON_SWITCH_UP,
3530   EL_BALLOON_SWITCH_ANY,
3531
3532   EL_YAMYAM_LEFT,
3533   EL_BALLOON_SWITCH_LEFT,
3534   EL_YAMYAM_RIGHT,
3535   EL_BALLOON_SWITCH_RIGHT,
3536
3537   EL_EMC_ANDROID,
3538   EL_YAMYAM_DOWN,
3539   EL_BALLOON_SWITCH_DOWN,
3540   EL_BALLOON_SWITCH_NONE,
3541 };
3542 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3543 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3544 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3545 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3546
3547 static int editor_hl_rnd[] =
3548 {
3549   EL_INTERNAL_CASCADE_RND_ACTIVE,
3550   EL_CHAR('R'),
3551   EL_CHAR('N'),
3552   EL_CHAR('D'),
3553 };
3554
3555 static int editor_el_rnd[] =
3556 {
3557   EL_KEY_1,
3558   EL_KEY_2,
3559   EL_KEY_3,
3560   EL_KEY_4,
3561
3562   EL_GATE_1,
3563   EL_GATE_2,
3564   EL_GATE_3,
3565   EL_GATE_4,
3566
3567   EL_GATE_1_GRAY,
3568   EL_GATE_2_GRAY,
3569   EL_GATE_3_GRAY,
3570   EL_GATE_4_GRAY,
3571
3572   EL_ARROW_LEFT,
3573   EL_ARROW_RIGHT,
3574   EL_ARROW_UP,
3575   EL_ARROW_DOWN,
3576
3577   EL_AMOEBA_DEAD,
3578   EL_AMOEBA_DRY,
3579   EL_AMOEBA_FULL,
3580   EL_GAME_OF_LIFE,
3581
3582   EL_EMERALD_YELLOW,
3583   EL_EMERALD_RED,
3584   EL_EMERALD_PURPLE,
3585   EL_BIOMAZE,
3586
3587   EL_WALL_EMERALD_YELLOW,
3588   EL_WALL_EMERALD_RED,
3589   EL_WALL_EMERALD_PURPLE,
3590   EL_WALL_BD_DIAMOND,
3591
3592   EL_SPEED_PILL,
3593   EL_PACMAN_UP,
3594   EL_TIME_ORB_FULL,
3595   EL_TIME_ORB_EMPTY,
3596
3597   EL_PACMAN_LEFT,
3598   EL_DARK_YAMYAM,
3599   EL_PACMAN_RIGHT,
3600   EL_EMPTY,
3601
3602   EL_BLACK_ORB,
3603   EL_PACMAN_DOWN,
3604   EL_LAMP,
3605   EL_LAMP_ACTIVE,
3606
3607   EL_DYNABOMB_INCREASE_NUMBER,
3608   EL_DYNABOMB_INCREASE_SIZE,
3609   EL_DYNABOMB_INCREASE_POWER,
3610   EL_STONEBLOCK,
3611
3612   EL_MOLE,
3613   EL_PENGUIN,
3614   EL_PIG,
3615   EL_DRAGON,
3616
3617   EL_BUG,
3618   EL_MOLE_UP,
3619   EL_BD_BUTTERFLY,
3620   EL_BD_FIREFLY,
3621
3622   EL_MOLE_LEFT,
3623   EL_SATELLITE,
3624   EL_MOLE_RIGHT,
3625   EL_PACMAN,
3626
3627   EL_SPACESHIP,
3628   EL_MOLE_DOWN,
3629   EL_INVISIBLE_STEELWALL,
3630   EL_INVISIBLE_WALL,
3631
3632   EL_EXPANDABLE_WALL,
3633   EL_EXPANDABLE_WALL_HORIZONTAL,
3634   EL_EXPANDABLE_WALL_VERTICAL,
3635   EL_EXPANDABLE_WALL_ANY,
3636 };
3637 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3638 static int *editor_el_rnd_ptr = editor_el_rnd;
3639 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3640 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3641
3642 static int editor_hl_sokoban[] =
3643 {
3644   EL_INTERNAL_CASCADE_SB_ACTIVE,
3645   EL_CHAR('S'),
3646   EL_CHAR('B'),
3647   EL_EMPTY,
3648 };
3649
3650 static int editor_el_sokoban[] =
3651 {
3652   EL_SOKOBAN_OBJECT,
3653   EL_SOKOBAN_FIELD_EMPTY,
3654   EL_SOKOBAN_FIELD_FULL,
3655   EL_SOKOBAN_FIELD_PLAYER,
3656 };
3657 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3658 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3659 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3660 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3661
3662 static int editor_hl_supaplex[] =
3663 {
3664   EL_INTERNAL_CASCADE_SP_ACTIVE,
3665   EL_CHAR('S'),
3666   EL_CHAR('P'),
3667   EL_EMPTY,
3668 };
3669
3670 static int editor_el_supaplex[] =
3671 {
3672   EL_SP_MURPHY,
3673   EL_EMPTY,
3674   EL_SP_BASE,
3675   EL_SP_BUGGY_BASE,
3676
3677   EL_SP_INFOTRON,
3678   EL_SP_ZONK,
3679   EL_SP_SNIKSNAK,
3680   EL_SP_ELECTRON,
3681
3682   EL_SP_DISK_RED,
3683   EL_SP_DISK_ORANGE,
3684   EL_SP_DISK_YELLOW,
3685   EL_SP_TERMINAL,
3686
3687   EL_SP_EXIT_CLOSED,
3688   EL_SP_PORT_HORIZONTAL,
3689   EL_SP_PORT_VERTICAL,
3690   EL_SP_PORT_ANY,
3691
3692   EL_SP_PORT_LEFT,
3693   EL_SP_PORT_RIGHT,
3694   EL_SP_PORT_UP,
3695   EL_SP_PORT_DOWN,
3696
3697   EL_SP_GRAVITY_PORT_LEFT,
3698   EL_SP_GRAVITY_PORT_RIGHT,
3699   EL_SP_GRAVITY_PORT_UP,
3700   EL_SP_GRAVITY_PORT_DOWN,
3701
3702   EL_SP_GRAVITY_ON_PORT_LEFT,
3703   EL_SP_GRAVITY_ON_PORT_RIGHT,
3704   EL_SP_GRAVITY_ON_PORT_UP,
3705   EL_SP_GRAVITY_ON_PORT_DOWN,
3706
3707   EL_SP_GRAVITY_OFF_PORT_LEFT,
3708   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3709   EL_SP_GRAVITY_OFF_PORT_UP,
3710   EL_SP_GRAVITY_OFF_PORT_DOWN,
3711
3712   EL_SP_HARDWARE_GRAY,
3713   EL_SP_HARDWARE_GREEN,
3714   EL_SP_HARDWARE_BLUE,
3715   EL_SP_HARDWARE_RED,
3716
3717   EL_SP_HARDWARE_BASE_1,
3718   EL_SP_HARDWARE_BASE_2,
3719   EL_SP_HARDWARE_BASE_3,
3720   EL_SP_HARDWARE_BASE_4,
3721
3722   EL_SP_HARDWARE_BASE_5,
3723   EL_SP_HARDWARE_BASE_6,
3724   EL_SP_HARDWARE_YELLOW,
3725   EL_SP_CHIP_TOP,
3726
3727   EL_SP_CHIP_SINGLE,
3728   EL_SP_CHIP_LEFT,
3729   EL_SP_CHIP_RIGHT,
3730   EL_SP_CHIP_BOTTOM,
3731 };
3732 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3733 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3734 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3735 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3736
3737 static int editor_hl_diamond_caves[] =
3738 {
3739   EL_INTERNAL_CASCADE_DC_ACTIVE,
3740   EL_CHAR('D'),
3741   EL_CHAR('C'),
3742   EL_CHAR('2'),
3743 };
3744
3745 static int editor_el_diamond_caves[] =
3746 {
3747   EL_PEARL,
3748   EL_CRYSTAL,
3749   EL_WALL_PEARL,
3750   EL_WALL_CRYSTAL,
3751
3752   EL_CONVEYOR_BELT_1_LEFT,
3753   EL_CONVEYOR_BELT_1_MIDDLE,
3754   EL_CONVEYOR_BELT_1_RIGHT,
3755   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3756
3757   EL_CONVEYOR_BELT_2_LEFT,
3758   EL_CONVEYOR_BELT_2_MIDDLE,
3759   EL_CONVEYOR_BELT_2_RIGHT,
3760   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3761
3762   EL_CONVEYOR_BELT_3_LEFT,
3763   EL_CONVEYOR_BELT_3_MIDDLE,
3764   EL_CONVEYOR_BELT_3_RIGHT,
3765   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3766
3767   EL_CONVEYOR_BELT_4_LEFT,
3768   EL_CONVEYOR_BELT_4_MIDDLE,
3769   EL_CONVEYOR_BELT_4_RIGHT,
3770   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3771
3772   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3773   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3774   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3775   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3776
3777   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3778   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3779   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3780   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3781
3782   EL_TIMEGATE_CLOSED,
3783   EL_TIMEGATE_OPEN,
3784   EL_TIMEGATE_SWITCH,
3785   EL_DC_TIMEGATE_SWITCH,
3786
3787   EL_SWITCHGATE_CLOSED,
3788   EL_SWITCHGATE_OPEN,
3789   EL_SWITCHGATE_SWITCH_UP,
3790   EL_SWITCHGATE_SWITCH_DOWN,
3791
3792   EL_LIGHT_SWITCH,
3793   EL_LIGHT_SWITCH_ACTIVE,
3794   EL_DC_SWITCHGATE_SWITCH_UP,
3795   EL_DC_SWITCHGATE_SWITCH_DOWN,
3796
3797   EL_STEEL_EXIT_CLOSED,
3798   EL_STEEL_EXIT_OPEN,
3799   EL_STEELWALL_SLIPPERY,
3800   EL_INVISIBLE_SAND,
3801
3802   EL_QUICKSAND_FAST_EMPTY,
3803   EL_QUICKSAND_FAST_FULL,
3804   EL_LANDMINE,
3805   EL_DC_LANDMINE,
3806
3807   EL_SHIELD_NORMAL,
3808   EL_SHIELD_DEADLY,
3809   EL_EXTRA_TIME,
3810   EL_DC_MAGIC_WALL,
3811
3812   EL_ENVELOPE_1,
3813   EL_ENVELOPE_2,
3814   EL_ENVELOPE_3,
3815   EL_ENVELOPE_4,
3816
3817   EL_SIGN_RADIOACTIVITY,
3818   EL_SIGN_WHEELCHAIR,
3819   EL_SIGN_PARKING,
3820   EL_SIGN_NO_ENTRY,
3821
3822   EL_SIGN_GIVE_WAY,
3823   EL_SIGN_ENTRY_FORBIDDEN,
3824   EL_SIGN_EMERGENCY_EXIT,
3825   EL_SIGN_YIN_YANG,
3826
3827 #if 0
3828   EL_SIGN_SPERMS,
3829   EL_SIGN_BULLET,
3830   EL_SIGN_HEART,
3831   EL_SIGN_CROSS,
3832
3833   EL_SIGN_FRANKIE,
3834   EL_EMPTY,
3835   EL_EMPTY,
3836   EL_EMPTY,
3837
3838   EL_SPERMS,
3839   EL_BULLET,
3840   EL_HEART,
3841   EL_CROSS,
3842
3843   EL_FRANKIE,
3844   EL_EMPTY,
3845   EL_EMPTY,
3846   EL_EMPTY,
3847 #endif
3848
3849   EL_DC_STEELWALL_2_SINGLE,
3850   EL_DC_STEELWALL_2_TOP,
3851   EL_SIGN_EXCLAMATION,
3852   EL_SIGN_STOP,
3853
3854   EL_DC_STEELWALL_2_LEFT,
3855   EL_DC_STEELWALL_2_MIDDLE,
3856   EL_DC_STEELWALL_2_HORIZONTAL,
3857   EL_DC_STEELWALL_2_RIGHT,
3858
3859   EL_DC_STEELWALL_1_TOPLEFT,
3860   EL_DC_STEELWALL_2_VERTICAL,
3861   EL_DC_STEELWALL_1_TOPRIGHT,
3862   EL_DC_GATE_WHITE,
3863
3864   EL_DC_STEELWALL_1_VERTICAL,
3865   EL_DC_STEELWALL_2_BOTTOM,
3866   EL_DC_KEY_WHITE,
3867   EL_DC_GATE_WHITE_GRAY,
3868
3869   EL_DC_STEELWALL_1_BOTTOMLEFT,
3870   EL_DC_STEELWALL_1_HORIZONTAL,
3871   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3872   EL_DC_GATE_FAKE_GRAY,
3873
3874   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3875   EL_DC_STEELWALL_1_BOTTOM,
3876   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3877   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3878
3879   EL_DC_STEELWALL_1_RIGHT,
3880   EL_EMPTY,
3881   EL_DC_STEELWALL_1_LEFT,
3882   EL_EXPANDABLE_STEELWALL_VERTICAL,
3883
3884   EL_DC_STEELWALL_1_TOPRIGHT_2,
3885   EL_DC_STEELWALL_1_TOP,
3886   EL_DC_STEELWALL_1_TOPLEFT_2,
3887   EL_EXPANDABLE_STEELWALL_ANY,
3888 };
3889 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3890 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3891 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3892 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3893
3894 static int editor_hl_dx_boulderdash[] =
3895 {
3896   EL_INTERNAL_CASCADE_DX_ACTIVE,
3897   EL_CHAR('D'),
3898   EL_CHAR('X'),
3899   EL_EMPTY,
3900 };
3901
3902 static int editor_el_dx_boulderdash[] =
3903 {
3904   EL_EMPTY,
3905   EL_TUBE_RIGHT_DOWN,
3906   EL_TUBE_HORIZONTAL_DOWN,
3907   EL_TUBE_LEFT_DOWN,
3908
3909   EL_TUBE_HORIZONTAL,
3910   EL_TUBE_VERTICAL_RIGHT,
3911   EL_TUBE_ANY,
3912   EL_TUBE_VERTICAL_LEFT,
3913
3914   EL_TUBE_VERTICAL,
3915   EL_TUBE_RIGHT_UP,
3916   EL_TUBE_HORIZONTAL_UP,
3917   EL_TUBE_LEFT_UP,
3918
3919   EL_TRAP,
3920   EL_DX_SUPABOMB,
3921   EL_EMPTY,
3922   EL_EMPTY
3923 };
3924 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3925 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3926 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3927 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3928
3929 static int editor_hl_chars[] =
3930 {
3931   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3932   EL_CHAR('T'),
3933   EL_CHAR('X'),
3934   EL_CHAR('T'),
3935 };
3936
3937 static int editor_el_chars[] =
3938 {
3939   EL_CHAR(' '),
3940   EL_CHAR('!'),
3941   EL_CHAR('"'),
3942   EL_CHAR('#'),
3943
3944   EL_CHAR('$'),
3945   EL_CHAR('%'),
3946   EL_CHAR('&'),
3947   EL_CHAR('\''),
3948
3949   EL_CHAR('('),
3950   EL_CHAR(')'),
3951   EL_CHAR('*'),
3952   EL_CHAR('+'),
3953
3954   EL_CHAR(','),
3955   EL_CHAR('-'),
3956   EL_CHAR('.'),
3957   EL_CHAR('/'),
3958
3959   EL_CHAR('0'),
3960   EL_CHAR('1'),
3961   EL_CHAR('2'),
3962   EL_CHAR('3'),
3963
3964   EL_CHAR('4'),
3965   EL_CHAR('5'),
3966   EL_CHAR('6'),
3967   EL_CHAR('7'),
3968
3969   EL_CHAR('8'),
3970   EL_CHAR('9'),
3971   EL_CHAR(':'),
3972   EL_CHAR(';'),
3973
3974   EL_CHAR('<'),
3975   EL_CHAR('='),
3976   EL_CHAR('>'),
3977   EL_CHAR('?'),
3978
3979   EL_CHAR('@'),
3980   EL_CHAR('A'),
3981   EL_CHAR('B'),
3982   EL_CHAR('C'),
3983
3984   EL_CHAR('D'),
3985   EL_CHAR('E'),
3986   EL_CHAR('F'),
3987   EL_CHAR('G'),
3988
3989   EL_CHAR('H'),
3990   EL_CHAR('I'),
3991   EL_CHAR('J'),
3992   EL_CHAR('K'),
3993
3994   EL_CHAR('L'),
3995   EL_CHAR('M'),
3996   EL_CHAR('N'),
3997   EL_CHAR('O'),
3998
3999   EL_CHAR('P'),
4000   EL_CHAR('Q'),
4001   EL_CHAR('R'),
4002   EL_CHAR('S'),
4003
4004   EL_CHAR('T'),
4005   EL_CHAR('U'),
4006   EL_CHAR('V'),
4007   EL_CHAR('W'),
4008
4009   EL_CHAR('X'),
4010   EL_CHAR('Y'),
4011   EL_CHAR('Z'),
4012   EL_CHAR('['),
4013
4014   EL_CHAR('\\'),
4015   EL_CHAR(']'),
4016   EL_CHAR('^'),
4017   EL_CHAR('_'),
4018
4019   EL_CHAR('©'),
4020   EL_CHAR('Ä'),
4021   EL_CHAR('Ö'),
4022   EL_CHAR('Ü'),
4023
4024   EL_CHAR('°'),
4025   EL_CHAR('®'),
4026   EL_CHAR(FONT_ASCII_CURSOR),
4027   EL_CHAR(FONT_ASCII_BUTTON),
4028
4029   EL_CHAR(FONT_ASCII_UP),
4030   EL_CHAR(FONT_ASCII_DOWN),
4031   EL_CHAR(' '),
4032   EL_CHAR(' ')
4033 };
4034 static int *editor_hl_chars_ptr = editor_hl_chars;
4035 static int *editor_el_chars_ptr = editor_el_chars;
4036 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4037 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4038
4039 static int editor_hl_steel_chars[] =
4040 {
4041   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4042   EL_STEEL_CHAR('T'),
4043   EL_STEEL_CHAR('X'),
4044   EL_STEEL_CHAR('T'),
4045 };
4046
4047 static int editor_el_steel_chars[] =
4048 {
4049   EL_STEEL_CHAR(' '),
4050   EL_STEEL_CHAR('!'),
4051   EL_STEEL_CHAR('"'),
4052   EL_STEEL_CHAR('#'),
4053
4054   EL_STEEL_CHAR('$'),
4055   EL_STEEL_CHAR('%'),
4056   EL_STEEL_CHAR('&'),
4057   EL_STEEL_CHAR('\''),
4058
4059   EL_STEEL_CHAR('('),
4060   EL_STEEL_CHAR(')'),
4061   EL_STEEL_CHAR('*'),
4062   EL_STEEL_CHAR('+'),
4063
4064   EL_STEEL_CHAR(','),
4065   EL_STEEL_CHAR('-'),
4066   EL_STEEL_CHAR('.'),
4067   EL_STEEL_CHAR('/'),
4068
4069   EL_STEEL_CHAR('0'),
4070   EL_STEEL_CHAR('1'),
4071   EL_STEEL_CHAR('2'),
4072   EL_STEEL_CHAR('3'),
4073
4074   EL_STEEL_CHAR('4'),
4075   EL_STEEL_CHAR('5'),
4076   EL_STEEL_CHAR('6'),
4077   EL_STEEL_CHAR('7'),
4078
4079   EL_STEEL_CHAR('8'),
4080   EL_STEEL_CHAR('9'),
4081   EL_STEEL_CHAR(':'),
4082   EL_STEEL_CHAR(';'),
4083
4084   EL_STEEL_CHAR('<'),
4085   EL_STEEL_CHAR('='),
4086   EL_STEEL_CHAR('>'),
4087   EL_STEEL_CHAR('?'),
4088
4089   EL_STEEL_CHAR('@'),
4090   EL_STEEL_CHAR('A'),
4091   EL_STEEL_CHAR('B'),
4092   EL_STEEL_CHAR('C'),
4093
4094   EL_STEEL_CHAR('D'),
4095   EL_STEEL_CHAR('E'),
4096   EL_STEEL_CHAR('F'),
4097   EL_STEEL_CHAR('G'),
4098
4099   EL_STEEL_CHAR('H'),
4100   EL_STEEL_CHAR('I'),
4101   EL_STEEL_CHAR('J'),
4102   EL_STEEL_CHAR('K'),
4103
4104   EL_STEEL_CHAR('L'),
4105   EL_STEEL_CHAR('M'),
4106   EL_STEEL_CHAR('N'),
4107   EL_STEEL_CHAR('O'),
4108
4109   EL_STEEL_CHAR('P'),
4110   EL_STEEL_CHAR('Q'),
4111   EL_STEEL_CHAR('R'),
4112   EL_STEEL_CHAR('S'),
4113
4114   EL_STEEL_CHAR('T'),
4115   EL_STEEL_CHAR('U'),
4116   EL_STEEL_CHAR('V'),
4117   EL_STEEL_CHAR('W'),
4118
4119   EL_STEEL_CHAR('X'),
4120   EL_STEEL_CHAR('Y'),
4121   EL_STEEL_CHAR('Z'),
4122   EL_STEEL_CHAR('['),
4123
4124   EL_STEEL_CHAR('\\'),
4125   EL_STEEL_CHAR(']'),
4126   EL_STEEL_CHAR('^'),
4127   EL_STEEL_CHAR('_'),
4128
4129   EL_STEEL_CHAR('©'),
4130   EL_STEEL_CHAR('Ä'),
4131   EL_STEEL_CHAR('Ö'),
4132   EL_STEEL_CHAR('Ü'),
4133
4134   EL_STEEL_CHAR('°'),
4135   EL_STEEL_CHAR('®'),
4136   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4137   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4138
4139   EL_STEEL_CHAR(FONT_ASCII_UP),
4140   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4141   EL_STEEL_CHAR(' '),
4142   EL_STEEL_CHAR(' ')
4143 };
4144 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4145 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4146 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4147 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4148
4149 static int editor_hl_custom[] =
4150 {
4151   EL_INTERNAL_CASCADE_CE_ACTIVE,
4152   EL_CHAR('C'),
4153   EL_CHAR('E'),
4154   EL_EMPTY,
4155 };
4156
4157 static int editor_el_custom[] =
4158 {
4159   EL_CUSTOM_START + 0,
4160   EL_CUSTOM_START + 1,
4161   EL_CUSTOM_START + 2,
4162   EL_CUSTOM_START + 3,
4163
4164   EL_CUSTOM_START + 4,
4165   EL_CUSTOM_START + 5,
4166   EL_CUSTOM_START + 6,
4167   EL_CUSTOM_START + 7,
4168
4169   EL_CUSTOM_START + 8,
4170   EL_CUSTOM_START + 9,
4171   EL_CUSTOM_START + 10,
4172   EL_CUSTOM_START + 11,
4173
4174   EL_CUSTOM_START + 12,
4175   EL_CUSTOM_START + 13,
4176   EL_CUSTOM_START + 14,
4177   EL_CUSTOM_START + 15,
4178
4179   EL_CUSTOM_START + 16,
4180   EL_CUSTOM_START + 17,
4181   EL_CUSTOM_START + 18,
4182   EL_CUSTOM_START + 19,
4183
4184   EL_CUSTOM_START + 20,
4185   EL_CUSTOM_START + 21,
4186   EL_CUSTOM_START + 22,
4187   EL_CUSTOM_START + 23,
4188
4189   EL_CUSTOM_START + 24,
4190   EL_CUSTOM_START + 25,
4191   EL_CUSTOM_START + 26,
4192   EL_CUSTOM_START + 27,
4193
4194   EL_CUSTOM_START + 28,
4195   EL_CUSTOM_START + 29,
4196   EL_CUSTOM_START + 30,
4197   EL_CUSTOM_START + 31,
4198
4199   EL_CUSTOM_START + 32,
4200   EL_CUSTOM_START + 33,
4201   EL_CUSTOM_START + 34,
4202   EL_CUSTOM_START + 35,
4203
4204   EL_CUSTOM_START + 36,
4205   EL_CUSTOM_START + 37,
4206   EL_CUSTOM_START + 38,
4207   EL_CUSTOM_START + 39,
4208
4209   EL_CUSTOM_START + 40,
4210   EL_CUSTOM_START + 41,
4211   EL_CUSTOM_START + 42,
4212   EL_CUSTOM_START + 43,
4213
4214   EL_CUSTOM_START + 44,
4215   EL_CUSTOM_START + 45,
4216   EL_CUSTOM_START + 46,
4217   EL_CUSTOM_START + 47,
4218
4219   EL_CUSTOM_START + 48,
4220   EL_CUSTOM_START + 49,
4221   EL_CUSTOM_START + 50,
4222   EL_CUSTOM_START + 51,
4223
4224   EL_CUSTOM_START + 52,
4225   EL_CUSTOM_START + 53,
4226   EL_CUSTOM_START + 54,
4227   EL_CUSTOM_START + 55,
4228
4229   EL_CUSTOM_START + 56,
4230   EL_CUSTOM_START + 57,
4231   EL_CUSTOM_START + 58,
4232   EL_CUSTOM_START + 59,
4233
4234   EL_CUSTOM_START + 60,
4235   EL_CUSTOM_START + 61,
4236   EL_CUSTOM_START + 62,
4237   EL_CUSTOM_START + 63,
4238
4239   EL_CUSTOM_START + 64,
4240   EL_CUSTOM_START + 65,
4241   EL_CUSTOM_START + 66,
4242   EL_CUSTOM_START + 67,
4243
4244   EL_CUSTOM_START + 68,
4245   EL_CUSTOM_START + 69,
4246   EL_CUSTOM_START + 70,
4247   EL_CUSTOM_START + 71,
4248
4249   EL_CUSTOM_START + 72,
4250   EL_CUSTOM_START + 73,
4251   EL_CUSTOM_START + 74,
4252   EL_CUSTOM_START + 75,
4253
4254   EL_CUSTOM_START + 76,
4255   EL_CUSTOM_START + 77,
4256   EL_CUSTOM_START + 78,
4257   EL_CUSTOM_START + 79,
4258
4259   EL_CUSTOM_START + 80,
4260   EL_CUSTOM_START + 81,
4261   EL_CUSTOM_START + 82,
4262   EL_CUSTOM_START + 83,
4263
4264   EL_CUSTOM_START + 84,
4265   EL_CUSTOM_START + 85,
4266   EL_CUSTOM_START + 86,
4267   EL_CUSTOM_START + 87,
4268
4269   EL_CUSTOM_START + 88,
4270   EL_CUSTOM_START + 89,
4271   EL_CUSTOM_START + 90,
4272   EL_CUSTOM_START + 91,
4273
4274   EL_CUSTOM_START + 92,
4275   EL_CUSTOM_START + 93,
4276   EL_CUSTOM_START + 94,
4277   EL_CUSTOM_START + 95,
4278
4279   EL_CUSTOM_START + 96,
4280   EL_CUSTOM_START + 97,
4281   EL_CUSTOM_START + 98,
4282   EL_CUSTOM_START + 99,
4283
4284   EL_CUSTOM_START + 100,
4285   EL_CUSTOM_START + 101,
4286   EL_CUSTOM_START + 102,
4287   EL_CUSTOM_START + 103,
4288
4289   EL_CUSTOM_START + 104,
4290   EL_CUSTOM_START + 105,
4291   EL_CUSTOM_START + 106,
4292   EL_CUSTOM_START + 107,
4293
4294   EL_CUSTOM_START + 108,
4295   EL_CUSTOM_START + 109,
4296   EL_CUSTOM_START + 110,
4297   EL_CUSTOM_START + 111,
4298
4299   EL_CUSTOM_START + 112,
4300   EL_CUSTOM_START + 113,
4301   EL_CUSTOM_START + 114,
4302   EL_CUSTOM_START + 115,
4303
4304   EL_CUSTOM_START + 116,
4305   EL_CUSTOM_START + 117,
4306   EL_CUSTOM_START + 118,
4307   EL_CUSTOM_START + 119,
4308
4309   EL_CUSTOM_START + 120,
4310   EL_CUSTOM_START + 121,
4311   EL_CUSTOM_START + 122,
4312   EL_CUSTOM_START + 123,
4313
4314   EL_CUSTOM_START + 124,
4315   EL_CUSTOM_START + 125,
4316   EL_CUSTOM_START + 126,
4317   EL_CUSTOM_START + 127,
4318
4319   EL_CUSTOM_START + 128,
4320   EL_CUSTOM_START + 129,
4321   EL_CUSTOM_START + 130,
4322   EL_CUSTOM_START + 131,
4323
4324   EL_CUSTOM_START + 132,
4325   EL_CUSTOM_START + 133,
4326   EL_CUSTOM_START + 134,
4327   EL_CUSTOM_START + 135,
4328
4329   EL_CUSTOM_START + 136,
4330   EL_CUSTOM_START + 137,
4331   EL_CUSTOM_START + 138,
4332   EL_CUSTOM_START + 139,
4333
4334   EL_CUSTOM_START + 140,
4335   EL_CUSTOM_START + 141,
4336   EL_CUSTOM_START + 142,
4337   EL_CUSTOM_START + 143,
4338
4339   EL_CUSTOM_START + 144,
4340   EL_CUSTOM_START + 145,
4341   EL_CUSTOM_START + 146,
4342   EL_CUSTOM_START + 147,
4343
4344   EL_CUSTOM_START + 148,
4345   EL_CUSTOM_START + 149,
4346   EL_CUSTOM_START + 150,
4347   EL_CUSTOM_START + 151,
4348
4349   EL_CUSTOM_START + 152,
4350   EL_CUSTOM_START + 153,
4351   EL_CUSTOM_START + 154,
4352   EL_CUSTOM_START + 155,
4353
4354   EL_CUSTOM_START + 156,
4355   EL_CUSTOM_START + 157,
4356   EL_CUSTOM_START + 158,
4357   EL_CUSTOM_START + 159,
4358
4359   EL_CUSTOM_START + 160,
4360   EL_CUSTOM_START + 161,
4361   EL_CUSTOM_START + 162,
4362   EL_CUSTOM_START + 163,
4363
4364   EL_CUSTOM_START + 164,
4365   EL_CUSTOM_START + 165,
4366   EL_CUSTOM_START + 166,
4367   EL_CUSTOM_START + 167,
4368
4369   EL_CUSTOM_START + 168,
4370   EL_CUSTOM_START + 169,
4371   EL_CUSTOM_START + 170,
4372   EL_CUSTOM_START + 171,
4373
4374   EL_CUSTOM_START + 172,
4375   EL_CUSTOM_START + 173,
4376   EL_CUSTOM_START + 174,
4377   EL_CUSTOM_START + 175,
4378
4379   EL_CUSTOM_START + 176,
4380   EL_CUSTOM_START + 177,
4381   EL_CUSTOM_START + 178,
4382   EL_CUSTOM_START + 179,
4383
4384   EL_CUSTOM_START + 180,
4385   EL_CUSTOM_START + 181,
4386   EL_CUSTOM_START + 182,
4387   EL_CUSTOM_START + 183,
4388
4389   EL_CUSTOM_START + 184,
4390   EL_CUSTOM_START + 185,
4391   EL_CUSTOM_START + 186,
4392   EL_CUSTOM_START + 187,
4393
4394   EL_CUSTOM_START + 188,
4395   EL_CUSTOM_START + 189,
4396   EL_CUSTOM_START + 190,
4397   EL_CUSTOM_START + 191,
4398
4399   EL_CUSTOM_START + 192,
4400   EL_CUSTOM_START + 193,
4401   EL_CUSTOM_START + 194,
4402   EL_CUSTOM_START + 195,
4403
4404   EL_CUSTOM_START + 196,
4405   EL_CUSTOM_START + 197,
4406   EL_CUSTOM_START + 198,
4407   EL_CUSTOM_START + 199,
4408
4409   EL_CUSTOM_START + 200,
4410   EL_CUSTOM_START + 201,
4411   EL_CUSTOM_START + 202,
4412   EL_CUSTOM_START + 203,
4413
4414   EL_CUSTOM_START + 204,
4415   EL_CUSTOM_START + 205,
4416   EL_CUSTOM_START + 206,
4417   EL_CUSTOM_START + 207,
4418
4419   EL_CUSTOM_START + 208,
4420   EL_CUSTOM_START + 209,
4421   EL_CUSTOM_START + 210,
4422   EL_CUSTOM_START + 211,
4423
4424   EL_CUSTOM_START + 212,
4425   EL_CUSTOM_START + 213,
4426   EL_CUSTOM_START + 214,
4427   EL_CUSTOM_START + 215,
4428
4429   EL_CUSTOM_START + 216,
4430   EL_CUSTOM_START + 217,
4431   EL_CUSTOM_START + 218,
4432   EL_CUSTOM_START + 219,
4433
4434   EL_CUSTOM_START + 220,
4435   EL_CUSTOM_START + 221,
4436   EL_CUSTOM_START + 222,
4437   EL_CUSTOM_START + 223,
4438
4439   EL_CUSTOM_START + 224,
4440   EL_CUSTOM_START + 225,
4441   EL_CUSTOM_START + 226,
4442   EL_CUSTOM_START + 227,
4443
4444   EL_CUSTOM_START + 228,
4445   EL_CUSTOM_START + 229,
4446   EL_CUSTOM_START + 230,
4447   EL_CUSTOM_START + 231,
4448
4449   EL_CUSTOM_START + 232,
4450   EL_CUSTOM_START + 233,
4451   EL_CUSTOM_START + 234,
4452   EL_CUSTOM_START + 235,
4453
4454   EL_CUSTOM_START + 236,
4455   EL_CUSTOM_START + 237,
4456   EL_CUSTOM_START + 238,
4457   EL_CUSTOM_START + 239,
4458
4459   EL_CUSTOM_START + 240,
4460   EL_CUSTOM_START + 241,
4461   EL_CUSTOM_START + 242,
4462   EL_CUSTOM_START + 243,
4463
4464   EL_CUSTOM_START + 244,
4465   EL_CUSTOM_START + 245,
4466   EL_CUSTOM_START + 246,
4467   EL_CUSTOM_START + 247,
4468
4469   EL_CUSTOM_START + 248,
4470   EL_CUSTOM_START + 249,
4471   EL_CUSTOM_START + 250,
4472   EL_CUSTOM_START + 251,
4473
4474   EL_CUSTOM_START + 252,
4475   EL_CUSTOM_START + 253,
4476   EL_CUSTOM_START + 254,
4477   EL_CUSTOM_START + 255
4478 };
4479 static int *editor_hl_custom_ptr = editor_hl_custom;
4480 static int *editor_el_custom_ptr = editor_el_custom;
4481 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4482 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4483
4484 static int editor_hl_group[] =
4485 {
4486   EL_INTERNAL_CASCADE_GE_ACTIVE,
4487   EL_CHAR('G'),
4488   EL_CHAR('E'),
4489   EL_EMPTY,
4490 };
4491
4492 static int editor_el_group[] =
4493 {
4494   EL_GROUP_START + 0,
4495   EL_GROUP_START + 1,
4496   EL_GROUP_START + 2,
4497   EL_GROUP_START + 3,
4498
4499   EL_GROUP_START + 4,
4500   EL_GROUP_START + 5,
4501   EL_GROUP_START + 6,
4502   EL_GROUP_START + 7,
4503
4504   EL_GROUP_START + 8,
4505   EL_GROUP_START + 9,
4506   EL_GROUP_START + 10,
4507   EL_GROUP_START + 11,
4508
4509   EL_GROUP_START + 12,
4510   EL_GROUP_START + 13,
4511   EL_GROUP_START + 14,
4512   EL_GROUP_START + 15,
4513
4514   EL_GROUP_START + 16,
4515   EL_GROUP_START + 17,
4516   EL_GROUP_START + 18,
4517   EL_GROUP_START + 19,
4518
4519   EL_GROUP_START + 20,
4520   EL_GROUP_START + 21,
4521   EL_GROUP_START + 22,
4522   EL_GROUP_START + 23,
4523
4524   EL_GROUP_START + 24,
4525   EL_GROUP_START + 25,
4526   EL_GROUP_START + 26,
4527   EL_GROUP_START + 27,
4528
4529   EL_GROUP_START + 28,
4530   EL_GROUP_START + 29,
4531   EL_GROUP_START + 30,
4532   EL_GROUP_START + 31
4533 };
4534 static int *editor_hl_group_ptr = editor_hl_group;
4535 static int *editor_el_group_ptr = editor_el_group;
4536 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4537 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4538
4539 static int editor_hl_reference[] =
4540 {
4541   EL_INTERNAL_CASCADE_REF_ACTIVE,
4542   EL_CHAR('R'),
4543   EL_CHAR('E'),
4544   EL_CHAR('F')
4545 };
4546
4547 static int editor_el_reference[] =
4548 {
4549   EL_TRIGGER_PLAYER,
4550   EL_TRIGGER_ELEMENT,
4551   EL_TRIGGER_CE_VALUE,
4552   EL_TRIGGER_CE_SCORE,
4553
4554   EL_SELF,
4555   EL_ANY_ELEMENT,
4556   EL_CURRENT_CE_VALUE,
4557   EL_CURRENT_CE_SCORE,
4558
4559   EL_PREV_CE_8,
4560   EL_PREV_CE_7,
4561   EL_PREV_CE_6,
4562   EL_PREV_CE_5,
4563
4564   EL_PREV_CE_4,
4565   EL_PREV_CE_3,
4566   EL_PREV_CE_2,
4567   EL_PREV_CE_1,
4568
4569   EL_NEXT_CE_1,
4570   EL_NEXT_CE_2,
4571   EL_NEXT_CE_3,
4572   EL_NEXT_CE_4,
4573
4574   EL_NEXT_CE_5,
4575   EL_NEXT_CE_6,
4576   EL_NEXT_CE_7,
4577   EL_NEXT_CE_8,
4578 };
4579 static int *editor_hl_reference_ptr = editor_hl_reference;
4580 static int *editor_el_reference_ptr = editor_el_reference;
4581 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4582 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4583
4584 static int editor_hl_user_defined[] =
4585 {
4586   EL_INTERNAL_CASCADE_USER_ACTIVE,
4587   EL_CHAR('M'),
4588   EL_CHAR('Y'),
4589   EL_EMPTY,
4590 };
4591
4592 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4593 static int *editor_el_user_defined_ptr = NULL;
4594 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4595 static int num_editor_el_user_defined = 0;
4596
4597 static int editor_hl_dynamic[] =
4598 {
4599   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4600   EL_CHAR('U'),
4601   EL_CHAR('S'),
4602   EL_CHAR('E'),
4603 };
4604
4605 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4606 static int *editor_el_dynamic_ptr = NULL;
4607 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4608 static int num_editor_el_dynamic = 0;
4609
4610 static int editor_hl_empty[] = { };
4611 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
4612
4613 static int *editor_hl_empty_ptr = editor_hl_empty;
4614 static int *editor_el_empty_ptr = editor_el_empty;
4615 static int num_editor_hl_empty = 0;
4616 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4617
4618 static boolean use_el_empty = FALSE;
4619
4620 static int *editor_elements = NULL;     /* dynamically allocated */
4621 static int num_editor_elements = 0;     /* dynamically determined */
4622
4623 static boolean setup_editor_show_always = TRUE;
4624 static boolean setup_editor_cascade_never = FALSE;
4625
4626 static int editor_hl_unused[] = { EL_EMPTY };
4627 static int *editor_hl_unused_ptr = editor_hl_unused;
4628 static int num_editor_hl_unused = 0;
4629
4630 static struct
4631 {
4632   boolean *setup_value;
4633   boolean *setup_cascade_value;
4634
4635   int **headline_list;
4636   int *headline_list_size;
4637
4638   int **element_list;
4639   int *element_list_size;
4640
4641   boolean last_setup_value;
4642 }
4643 editor_elements_info[] =
4644 {
4645   {
4646     &setup_editor_show_always,
4647     &setup_editor_cascade_never,
4648     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4649     &editor_el_players_ptr,             &num_editor_el_players
4650   },
4651   {
4652     &setup.editor.el_boulderdash,
4653     &setup.editor_cascade.el_bd,
4654     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4655     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4656   },
4657   {
4658     &setup.editor.el_emerald_mine,
4659     &setup.editor_cascade.el_em,
4660     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4661     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4662   },
4663   {
4664     &setup.editor.el_emerald_mine_club,
4665     &setup.editor_cascade.el_emc,
4666     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4667     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4668   },
4669   {
4670     &setup.editor.el_more,
4671     &setup.editor_cascade.el_rnd,
4672     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4673     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4674   },
4675   {
4676     &setup.editor.el_sokoban,
4677     &setup.editor_cascade.el_sb,
4678     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4679     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4680   },
4681   {
4682     &setup.editor.el_supaplex,
4683     &setup.editor_cascade.el_sp,
4684     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4685     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4686   },
4687   {
4688     &setup.editor.el_diamond_caves,
4689     &setup.editor_cascade.el_dc,
4690     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4691     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4692   },
4693   {
4694     &setup.editor.el_dx_boulderdash,
4695     &setup.editor_cascade.el_dx,
4696     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4697     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4698   },
4699   {
4700     &setup.editor.el_chars,
4701     &setup.editor_cascade.el_chars,
4702     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4703     &editor_el_chars_ptr,               &num_editor_el_chars
4704   },
4705   {
4706     &setup.editor.el_steel_chars,
4707     &setup.editor_cascade.el_steel_chars,
4708     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4709     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4710   },
4711   {
4712     &setup.editor.el_custom,
4713     &setup.editor_cascade.el_ce,
4714     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4715     &editor_el_custom_ptr,              &num_editor_el_custom
4716   },
4717   {
4718     &setup.editor.el_custom,
4719     &setup.editor_cascade.el_ge,
4720     &editor_hl_group_ptr,               &num_editor_hl_group,
4721     &editor_el_group_ptr,               &num_editor_el_group
4722   },
4723   {
4724     &setup.editor.el_custom,
4725     &setup.editor_cascade.el_ref,
4726     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4727     &editor_el_reference_ptr,           &num_editor_el_reference
4728   },
4729   {
4730     &setup.editor.el_user_defined,
4731     &setup.editor_cascade.el_user,
4732     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4733     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4734   },
4735   {
4736     &setup.editor.el_dynamic,
4737     &setup.editor_cascade.el_dynamic,
4738     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4739     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4740   },
4741   {
4742     &use_el_empty,
4743     &use_el_empty,
4744     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4745     &editor_el_empty_ptr,               &num_editor_el_empty,
4746   },
4747   {
4748     NULL,
4749     NULL,
4750     NULL,                               NULL,
4751     NULL,                               NULL
4752   }
4753 };
4754
4755
4756 /*
4757   -----------------------------------------------------------------------------
4758   functions
4759   -----------------------------------------------------------------------------
4760 */
4761
4762 static int getMaxInfoTextLength()
4763 {
4764   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4765 }
4766
4767 static int getTextWidthForGadget(char *text)
4768 {
4769   if (text == NULL)
4770     return 0;
4771
4772   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4773 }
4774
4775 static int getTextWidthForDrawingArea(char *text)
4776 {
4777   if (text == NULL)
4778     return 0;
4779
4780   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4781 }
4782
4783 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4784 {
4785   return (gi->x + gi->width + getTextWidthForGadget(text));
4786 }
4787
4788 static char *getElementInfoText(int element)
4789 {
4790   char *info_text = NULL;
4791
4792   if (element < MAX_NUM_ELEMENTS)
4793   {
4794     if (strlen(element_info[element].description) > 0)
4795       info_text = element_info[element].description;
4796     else if (element_info[element].custom_description != NULL)
4797       info_text = element_info[element].custom_description;
4798     else if (element_info[element].editor_description != NULL)
4799       info_text = element_info[element].editor_description;
4800   }
4801
4802   if (info_text == NULL)
4803     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4804
4805   return info_text;
4806 }
4807
4808 char *getElementDescriptionFilename(int element)
4809 {
4810   char *docs_dir = options.docs_directory;
4811   char *elements_subdir = "elements";
4812   static char *filename = NULL;
4813   char basename[MAX_FILENAME_LEN];
4814
4815   checked_free(filename);
4816
4817   /* 1st try: look for element description file for exactly this element */
4818   sprintf(basename, "%s.txt", element_info[element].token_name);
4819   filename = getPath3(docs_dir, elements_subdir, basename);
4820   if (fileExists(filename))
4821     return filename;
4822
4823   free(filename);
4824
4825   /* 2nd try: look for element description file for this element's class */
4826   sprintf(basename, "%s.txt", element_info[element].class_name);
4827   filename = getPath3(docs_dir, elements_subdir, basename);
4828   if (fileExists(filename))
4829     return filename;
4830
4831   return NULL;
4832 }
4833
4834 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4835 {
4836   boolean element_found[NUM_FILE_ELEMENTS];
4837   int i, x, y;
4838
4839   /* initialize list of used elements to "not used" */
4840   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4841     element_found[i] = FALSE;
4842
4843   /* find all elements used in current level */
4844   for (y = 0; y < lev_fieldy; y++)
4845     for (x = 0; x < lev_fieldx; x++)
4846       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4847         element_found[Feld[x][y]] = TRUE;
4848
4849   *num_elements = 0;
4850
4851   /* count number of elements used in current level */
4852   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4853     if (element_found[i])
4854       (*num_elements)++;
4855
4856   /* add space for up to 3 more elements for padding that may be needed */
4857   *num_elements += 3;
4858
4859   /* free memory for old list of elements, if needed */
4860   checked_free(*elements);
4861
4862   /* allocate memory for new list of elements */
4863   *elements = checked_malloc(*num_elements * sizeof(int));
4864
4865   *num_elements = 0;
4866
4867   /* add all elements used in current level (non-custom/group elements) */
4868   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4869     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4870       (*elements)[(*num_elements)++] = i;
4871
4872   /* add all elements used in current level (custom/group elements) */
4873   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4874     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4875       (*elements)[(*num_elements)++] = i;
4876
4877   while (*num_elements % 4)     /* pad with empty elements, if needed */
4878     (*elements)[(*num_elements)++] = EL_EMPTY;
4879 }
4880
4881 static void ReinitializeElementList()
4882 {
4883   static boolean initialization_needed = TRUE;
4884   int pos = 0;
4885   int i, j;
4886
4887   if (initialization_needed)
4888   {
4889     LoadSetup_EditorCascade();          /* load last editor cascade state */
4890
4891     /* initialize editor cascade element from saved cascade state */
4892     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4893     {
4894       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4895       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4896
4897       if (IS_EDITOR_CASCADE(*cascade_element))
4898         *cascade_element =
4899           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4900            EL_CASCADE_INACTIVE(*cascade_element));
4901     }
4902
4903     initialization_needed = FALSE;
4904   }
4905
4906   checked_free(editor_elements);
4907
4908   /* reload optional user defined element list for each invocation of editor */
4909   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4910                                    &num_editor_el_user_defined);
4911
4912   /* initialize dynamic level element list for each invocation of editor */
4913   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4914                                &num_editor_el_dynamic);
4915
4916   /* initialize list of empty elements (used for padding, if needed) */
4917   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4918     editor_el_empty[i] = EL_EMPTY;
4919
4920   /* do some sanity checks for each element from element list */
4921   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4922   {
4923     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4924     {
4925       int element = (*editor_elements_info[i].element_list)[j];
4926
4927       if (element >= NUM_FILE_ELEMENTS)
4928         Error(ERR_WARN, "editor element %d is runtime element", element);
4929
4930       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4931         Error(ERR_WARN, "no element description for element %d", element);
4932     }
4933   }
4934
4935   num_editor_elements = 0;
4936   use_el_empty = FALSE;
4937
4938   /* determine size of element list */
4939   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4940   {
4941     boolean found_inactive_cascade = FALSE;
4942
4943     if (*editor_elements_info[i].setup_value)
4944     {
4945       if (setup.editor.el_headlines)
4946       {
4947         num_editor_elements += *editor_elements_info[i].headline_list_size;
4948
4949         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4950         {
4951           int element = (*editor_elements_info[i].headline_list)[j];
4952
4953           if (IS_EDITOR_CASCADE_INACTIVE(element))
4954             found_inactive_cascade = TRUE;
4955         }
4956       }
4957
4958       if (found_inactive_cascade)
4959         continue;
4960
4961       num_editor_elements += *editor_elements_info[i].element_list_size;
4962     }
4963   }
4964
4965   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
4966   {
4967     /* offer at least as many elements as element buttons exist */
4968     use_el_empty = TRUE;
4969     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
4970
4971     num_editor_elements += num_editor_el_empty;
4972   }
4973
4974   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
4975
4976   /* fill element list */
4977   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4978   {
4979     boolean found_inactive_cascade = FALSE;
4980
4981     if (*editor_elements_info[i].setup_value)
4982     {
4983       if (setup.editor.el_headlines)
4984       {
4985         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4986         {
4987           int element = (*editor_elements_info[i].headline_list)[j];
4988
4989           editor_elements[pos++] = element;
4990
4991           if (IS_EDITOR_CASCADE_INACTIVE(element))
4992             found_inactive_cascade = TRUE;
4993         }
4994       }
4995
4996       if (found_inactive_cascade)
4997         continue;
4998
4999       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5000         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5001     }
5002   }
5003
5004   /* (this function is also called before editor gadgets are initialized!) */
5005   AdjustElementListScrollbar();
5006 }
5007
5008 void PrintEditorElementList()
5009 {
5010   boolean *stop = &setup.editor.el_user_defined;
5011   int i, j;
5012
5013   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5014   {
5015     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5016
5017     if (IS_EDITOR_CASCADE(cascade_element))
5018     {
5019       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5020       char *headline = element_info[cascade_element_show].editor_description;
5021
5022       printf_line_with_prefix("# ", "-", 77);
5023       printf("# %s\n", headline);
5024       printf_line_with_prefix("# ", "-", 77);
5025     }
5026
5027     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5028     {
5029       int element = (*editor_elements_info[i].headline_list)[j];
5030
5031       if (IS_EDITOR_CASCADE(element))
5032         element = EL_CHAR_MINUS;
5033
5034       printf("# %s\n", element_info[element].token_name);
5035     }
5036
5037     if (j > 0)
5038       printf("#\n");
5039
5040     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5041     {
5042       int element = (*editor_elements_info[i].element_list)[j];
5043
5044       printf("# %s\n", element_info[element].token_name);
5045     }
5046
5047     if (j > 0)
5048       printf("#\n");
5049   }
5050 }
5051
5052 static void ReinitializeElementListButtons()
5053 {
5054   static boolean last_setup_value_headlines = FALSE;
5055   static boolean initialization_needed = TRUE;
5056   int i;
5057
5058   if (!initialization_needed)   /* check if editor element setup has changed */
5059   {
5060     if (last_setup_value_headlines != setup.editor.el_headlines)
5061       initialization_needed = TRUE;
5062
5063     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5064       if (editor_elements_info[i].last_setup_value !=
5065           *editor_elements_info[i].setup_value)
5066         initialization_needed = TRUE;
5067   }
5068
5069   if (!initialization_needed)
5070     return;
5071
5072   FreeLevelEditorGadgets();
5073   CreateLevelEditorGadgets();
5074
5075   /* store current setup values for next invocation of this function */
5076   last_setup_value_headlines = setup.editor.el_headlines;
5077   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5078     editor_elements_info[i].last_setup_value =
5079       *editor_elements_info[i].setup_value;
5080
5081   initialization_needed = FALSE;
5082 }
5083
5084 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5085                               boolean input)
5086 {
5087   int border_graphic =
5088     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5089   Bitmap *src_bitmap;
5090   int src_x, src_y;
5091   int bx = (input ? 4 : 8);
5092   int by = (input ? 4 : 8);
5093   int bx2 = TILEX - bx;
5094   int by2 = TILEY - by;
5095   int i;
5096
5097   getGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5098
5099   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5100              bx, by, dest_x - bx, dest_y - by);
5101   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5102              bx, by, dest_x + width, dest_y - by);
5103   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5104              bx, by, dest_x - bx, dest_y + height);
5105   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5106              bx, by, dest_x + width, dest_y + height);
5107
5108   for (i = 0; i < width / MINI_TILEX; i++)
5109   {
5110     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5111                dest_x + i * MINI_TILEX, dest_y - by);
5112     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5113                dest_x + i * MINI_TILEX, dest_y + height);
5114   }
5115
5116   for (i = 0; i < height / MINI_TILEY; i++)
5117   {
5118     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5119                dest_x - bx, dest_y + i * MINI_TILEY);
5120     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5121                dest_x + width, dest_y + i * MINI_TILEY);
5122   }
5123
5124   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5125 }
5126
5127 static void DrawDrawingArea(int id)
5128 {
5129   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5130   int x, y;
5131
5132   int *value = drawingarea_info[id].value;
5133   int area_xsize = drawingarea_info[id].area_xsize;
5134   int area_ysize = drawingarea_info[id].area_ysize;
5135
5136   for (x = 0; x < area_xsize; x++)
5137     for (y = 0; y < area_ysize; y++)
5138       DrawMiniGraphicExt(drawto,
5139                          gi->x + x * MINI_TILEX,
5140                          gi->y + y * MINI_TILEY,
5141                          el2edimg(value[x * area_ysize + y]));
5142 }
5143
5144 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5145 {
5146   int x, y;
5147   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5148   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5149
5150   BlitBitmap(drawto, drawto,
5151              SX + (dx == -1 ? MINI_TILEX : 0),
5152              SY + (dy == -1 ? MINI_TILEY : 0),
5153              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5154              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5155              SX + (dx == +1 ? MINI_TILEX : 0),
5156              SY + (dy == +1 ? MINI_TILEY : 0));
5157
5158   if (dx)
5159   {
5160     x = (dx == 1 ? 0 : ed_fieldx - 1);
5161     for (y = 0; y < ed_fieldy; y++)
5162       DrawMiniElementOrWall(x, y, from_x, from_y);
5163   }
5164   else if (dy)
5165   {
5166     y = (dy == 1 ? 0 : ed_fieldy - 1);
5167     for (x = 0; x < ed_fieldx; x++)
5168       DrawMiniElementOrWall(x, y, from_x, from_y);
5169   }
5170
5171   redraw_mask |= REDRAW_FIELD;
5172   BackToFront();
5173 }
5174
5175 static void CreateControlButtons()
5176 {
5177   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5178   struct GadgetInfo *gi;
5179   unsigned long event_mask;
5180   int i;
5181
5182   /* create toolbox buttons */
5183   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5184   {
5185     int id = i;
5186     int width, height;
5187     int gd_xoffset, gd_yoffset;
5188     int gd_x1, gd_x2, gd_y1, gd_y2;
5189     int button_type;
5190     int radio_button_nr;
5191     boolean checked;
5192
5193     if (id == GADGET_ID_SINGLE_ITEMS ||
5194         id == GADGET_ID_CONNECTED_ITEMS ||
5195         id == GADGET_ID_LINE ||
5196         id == GADGET_ID_ARC ||
5197         id == GADGET_ID_TEXT ||
5198         id == GADGET_ID_RECTANGLE ||
5199         id == GADGET_ID_FILLED_BOX ||
5200         id == GADGET_ID_FLOOD_FILL ||
5201         id == GADGET_ID_GRAB_BRUSH ||
5202         id == GADGET_ID_PICK_ELEMENT ||
5203         id == GADGET_ID_CUSTOM_COPY_FROM ||
5204         id == GADGET_ID_CUSTOM_COPY_TO ||
5205         id == GADGET_ID_CUSTOM_EXCHANGE)
5206     {
5207       button_type = GD_TYPE_RADIO_BUTTON;
5208       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5209       checked = (id == drawing_function ? TRUE : FALSE);
5210       event_mask = GD_EVENT_PRESSED;
5211     }
5212     else
5213     {
5214       button_type = GD_TYPE_NORMAL_BUTTON;
5215       radio_button_nr = RADIO_NR_NONE;
5216       checked = FALSE;
5217
5218       if (id == GADGET_ID_WRAP_LEFT ||
5219           id == GADGET_ID_WRAP_RIGHT ||
5220           id == GADGET_ID_WRAP_UP ||
5221           id == GADGET_ID_WRAP_DOWN)
5222         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5223       else
5224         event_mask = GD_EVENT_RELEASED;
5225     }
5226
5227     if (id < ED_NUM_CTRL1_BUTTONS)
5228     {
5229       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5230       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5231
5232       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5233       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5234       width  = ED_CTRL1_BUTTON_XSIZE;
5235       height = ED_CTRL1_BUTTON_YSIZE;
5236
5237       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5238       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5239       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5240       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5241     }
5242     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5243     {
5244       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5245       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5246
5247       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5248       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5249       width  = ED_CTRL2_BUTTON_XSIZE;
5250       height = ED_CTRL2_BUTTON_YSIZE;
5251
5252       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5253       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5254       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5255       gd_y2 = 0;        /* no alternative graphic for these buttons */
5256     }
5257     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5258     {
5259       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5260       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5261
5262       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5263       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5264       width  = ED_CTRL3_BUTTON_XSIZE;
5265       height = ED_CTRL3_BUTTON_YSIZE;
5266
5267       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5268       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5269       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5270       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5271     }
5272     else
5273     {
5274       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5275       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5276
5277       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5278       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5279       width  = ED_CTRL4_BUTTON_XSIZE;
5280       height = ED_CTRL4_BUTTON_YSIZE;
5281
5282       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5283       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5284       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5285       gd_y2 = 0;        /* no alternative graphic for these buttons */
5286     }
5287
5288     gi = CreateGadget(GDI_CUSTOM_ID, id,
5289                       GDI_CUSTOM_TYPE_ID, i,
5290                       GDI_INFO_TEXT, control_info[i].text,
5291                       GDI_X, EX + gd_xoffset,
5292                       GDI_Y, EY + gd_yoffset,
5293                       GDI_WIDTH, width,
5294                       GDI_HEIGHT, height,
5295                       GDI_TYPE, button_type,
5296                       GDI_STATE, GD_BUTTON_UNPRESSED,
5297                       GDI_RADIO_NR, radio_button_nr,
5298                       GDI_CHECKED, checked,
5299                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5300                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5301                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5302                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5303                       GDI_EVENT_MASK, event_mask,
5304                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5305                       GDI_CALLBACK_ACTION, HandleControlButtons,
5306                       GDI_END);
5307
5308     if (gi == NULL)
5309       Error(ERR_EXIT, "cannot create gadget");
5310
5311     level_editor_gadget[id] = gi;
5312   }
5313
5314   /* create buttons for scrolling of drawing area and element list */
5315   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5316   {
5317     int id = scrollbutton_info[i].gadget_id;
5318     int x, y, width, height;
5319     int gd_x1, gd_x2, gd_y1, gd_y2;
5320
5321     x = scrollbutton_info[i].x;
5322     y = scrollbutton_info[i].y;
5323
5324     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5325
5326     if (id == GADGET_ID_SCROLL_LIST_UP ||
5327         id == GADGET_ID_SCROLL_LIST_DOWN)
5328     {
5329       x += DX;
5330       y += DY;
5331       width = ED_SCROLLBUTTON2_XSIZE;
5332       height = ED_SCROLLBUTTON2_YSIZE;
5333       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5334       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5335       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
5336       gd_y2 = gd_y1;
5337     }
5338     else
5339     {
5340       x += SX;
5341       y += SY;
5342       width = ED_SCROLLBUTTON_XSIZE;
5343       height = ED_SCROLLBUTTON_YSIZE;
5344       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5345       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5346       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5347       gd_y2 = gd_y1;
5348     }
5349
5350     gi = CreateGadget(GDI_CUSTOM_ID, id,
5351                       GDI_CUSTOM_TYPE_ID, i,
5352                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5353                       GDI_X, x,
5354                       GDI_Y, y,
5355                       GDI_WIDTH, width,
5356                       GDI_HEIGHT, height,
5357                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5358                       GDI_STATE, GD_BUTTON_UNPRESSED,
5359                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5360                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5361                       GDI_EVENT_MASK, event_mask,
5362                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5363                       GDI_CALLBACK_ACTION, HandleControlButtons,
5364                       GDI_END);
5365
5366     if (gi == NULL)
5367       Error(ERR_EXIT, "cannot create gadget");
5368
5369     level_editor_gadget[id] = gi;
5370   }
5371
5372   /* create buttons for element list */
5373   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5374   {
5375     Bitmap *deco_bitmap;
5376     int deco_x, deco_y, deco_xpos, deco_ypos;
5377     int gd_xoffset, gd_yoffset;
5378     int gd_x1, gd_x2, gd_y;
5379     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5380     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5381     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5382     int element = editor_elements[i];
5383
5384     event_mask = GD_EVENT_RELEASED;
5385
5386     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
5387     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
5388
5389     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
5390     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
5391     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
5392
5393     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5394     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
5395     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
5396
5397     gi = CreateGadget(GDI_CUSTOM_ID, id,
5398                       GDI_CUSTOM_TYPE_ID, i,
5399                       GDI_INFO_TEXT, getElementInfoText(element),
5400                       GDI_X, DX + gd_xoffset,
5401                       GDI_Y, DY + gd_yoffset,
5402                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
5403                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
5404                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5405                       GDI_STATE, GD_BUTTON_UNPRESSED,
5406                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5407                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5408                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5409                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5410                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5411                       GDI_DECORATION_SHIFTING, 1, 1,
5412                       GDI_EVENT_MASK, event_mask,
5413                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5414                       GDI_CALLBACK_ACTION, HandleControlButtons,
5415                       GDI_END);
5416
5417     if (gi == NULL)
5418       Error(ERR_EXIT, "cannot create gadget");
5419
5420     level_editor_gadget[id] = gi;
5421   }
5422 }
5423
5424 static void CreateCounterButtons()
5425 {
5426   int max_infotext_len = getMaxInfoTextLength();
5427   int i;
5428
5429   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5430   {
5431     int j;
5432     int x = SX + counterbutton_info[i].x;       /* down count button */
5433     int y = SY + counterbutton_info[i].y;
5434
5435     /* determine horizontal position to the right of specified gadget */
5436     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5437       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5438            ED_GADGET_TEXT_DISTANCE);
5439
5440     /* determine horizontal offset for leading text */
5441     if (counterbutton_info[i].text_left != NULL)
5442       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5443
5444     for (j = 0; j < 2; j++)
5445     {
5446       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5447       struct GadgetInfo *gi;
5448       int id = (j == 0 ?
5449                 counterbutton_info[i].gadget_id_down :
5450                 counterbutton_info[i].gadget_id_up);
5451       int gd_xoffset;
5452       int gd_x, gd_x1, gd_x2, gd_y;
5453       int x_size, y_size;
5454       unsigned long event_mask;
5455       char infotext[max_infotext_len + 1];
5456
5457       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5458
5459       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5460       {
5461         int sid = (j == 0 ?
5462                    ED_SCROLLBUTTON_ID_AREA_LEFT :
5463                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
5464
5465         event_mask |= GD_EVENT_RELEASED;
5466
5467         if (j == 1)
5468           x += 2 * ED_GADGET_DISTANCE;
5469         y += ED_GADGET_DISTANCE;
5470
5471         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
5472         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5473         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
5474         x_size = ED_SCROLLBUTTON_XSIZE;
5475         y_size = ED_SCROLLBUTTON_YSIZE;
5476       }
5477       else
5478       {
5479         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5480         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5481         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5482         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5483         x_size = ED_BUTTON_COUNT_XSIZE;
5484         y_size = ED_BUTTON_COUNT_YSIZE;
5485       }
5486
5487       sprintf(infotext, "%s counter value by 1, 5 or 10",
5488               (j == 0 ? "decrease" : "increase"));
5489
5490       gi = CreateGadget(GDI_CUSTOM_ID, id,
5491                         GDI_CUSTOM_TYPE_ID, i,
5492                         GDI_INFO_TEXT, infotext,
5493                         GDI_X, x,
5494                         GDI_Y, y,
5495                         GDI_WIDTH, x_size,
5496                         GDI_HEIGHT, y_size,
5497                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5498                         GDI_STATE, GD_BUTTON_UNPRESSED,
5499                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5500                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5501                         GDI_EVENT_MASK, event_mask,
5502                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5503                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5504                         GDI_END);
5505
5506       if (gi == NULL)
5507         Error(ERR_EXIT, "cannot create gadget");
5508
5509       level_editor_gadget[id] = gi;
5510       right_gadget_border[id] =
5511         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5512
5513       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5514
5515       if (j == 0)
5516       {
5517         int font_type = FONT_INPUT_1;
5518         int font_type_active = FONT_INPUT_1_ACTIVE;
5519         int gd_width = ED_WIN_COUNT_XSIZE;
5520
5521         id = counterbutton_info[i].gadget_id_text;
5522         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5523
5524         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5525         {
5526           font_type = FONT_LEVEL_NUMBER;
5527 #if 1
5528           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5529 #else
5530           font_type_active = FONT_LEVEL_NUMBER;
5531 #endif
5532           x += 2 * ED_GADGET_DISTANCE;
5533           y -= ED_GADGET_DISTANCE;
5534
5535           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5536           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5537           gd_width = ED_WIN_COUNT2_XSIZE;
5538         }
5539         else
5540         {
5541           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5542           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5543         }
5544
5545         gi = CreateGadget(GDI_CUSTOM_ID, id,
5546                           GDI_CUSTOM_TYPE_ID, i,
5547                           GDI_INFO_TEXT, "enter counter value",
5548                           GDI_X, x,
5549                           GDI_Y, y,
5550                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5551                           GDI_NUMBER_VALUE, 0,
5552                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5553                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5554                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5555                           GDI_TEXT_FONT, font_type,
5556                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5557                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5558                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5559                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5560                           GDI_DESIGN_WIDTH, gd_width,
5561                           GDI_EVENT_MASK, event_mask,
5562                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5563                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5564                           GDI_END);
5565
5566         if (gi == NULL)
5567           Error(ERR_EXIT, "cannot create gadget");
5568
5569         level_editor_gadget[id] = gi;
5570         right_gadget_border[id] =
5571           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5572
5573         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5574       }
5575     }
5576   }
5577 }
5578
5579 static void CreateDrawingAreas()
5580 {
5581   int i;
5582
5583   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5584   {
5585     struct GadgetInfo *gi;
5586     unsigned long event_mask;
5587     int id = drawingarea_info[i].gadget_id;
5588     int x = SX + drawingarea_info[i].x;
5589     int y = SY + drawingarea_info[i].y;
5590     int area_xsize = drawingarea_info[i].area_xsize;
5591     int area_ysize = drawingarea_info[i].area_ysize;
5592
5593     event_mask =
5594       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5595       GD_EVENT_OFF_BORDERS;
5596
5597     /* determine horizontal position to the right of specified gadget */
5598     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5599       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5600            ED_DRAWINGAREA_TEXT_DISTANCE);
5601
5602     /* determine horizontal offset for leading text */
5603     if (drawingarea_info[i].text_left != NULL)
5604       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5605
5606     gi = CreateGadget(GDI_CUSTOM_ID, id,
5607                       GDI_CUSTOM_TYPE_ID, i,
5608                       GDI_X, x,
5609                       GDI_Y, y,
5610                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5611                       GDI_AREA_SIZE, area_xsize, area_ysize,
5612                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5613                       GDI_EVENT_MASK, event_mask,
5614                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5615                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5616                       GDI_END);
5617
5618     if (gi == NULL)
5619       Error(ERR_EXIT, "cannot create gadget");
5620
5621     level_editor_gadget[id] = gi;
5622     right_gadget_border[id] =
5623       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5624   }
5625 }
5626
5627 static void CreateTextInputGadgets()
5628 {
5629   int max_infotext_len = getMaxInfoTextLength();
5630   int i;
5631
5632   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5633   {
5634     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5635     int gd_x, gd_y;
5636     struct GadgetInfo *gi;
5637     unsigned long event_mask;
5638     char infotext[MAX_OUTPUT_LINESIZE + 1];
5639     int id = textinput_info[i].gadget_id;
5640
5641     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5642
5643     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5644     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5645
5646     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5647     infotext[max_infotext_len] = '\0';
5648
5649     gi = CreateGadget(GDI_CUSTOM_ID, id,
5650                       GDI_CUSTOM_TYPE_ID, i,
5651                       GDI_INFO_TEXT, infotext,
5652                       GDI_X, SX + textinput_info[i].x,
5653                       GDI_Y, SY + textinput_info[i].y,
5654                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5655                       GDI_TEXT_VALUE, textinput_info[i].value,
5656                       GDI_TEXT_SIZE, textinput_info[i].size,
5657                       GDI_TEXT_FONT, FONT_INPUT_1,
5658                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5659                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5660                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5661                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5662                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5663                       GDI_EVENT_MASK, event_mask,
5664                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5665                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5666                       GDI_END);
5667
5668     if (gi == NULL)
5669       Error(ERR_EXIT, "cannot create gadget");
5670
5671     level_editor_gadget[id] = gi;
5672   }
5673 }
5674
5675 static void CreateTextAreaGadgets()
5676 {
5677   int max_infotext_len = getMaxInfoTextLength();
5678   int i;
5679
5680   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5681   {
5682     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5683     int gd_x, gd_y;
5684     struct GadgetInfo *gi;
5685     unsigned long event_mask;
5686     char infotext[MAX_OUTPUT_LINESIZE + 1];
5687     int id = textarea_info[i].gadget_id;
5688     int area_xsize = textarea_info[i].xsize;
5689     int area_ysize = textarea_info[i].ysize;
5690
5691     event_mask = GD_EVENT_TEXT_LEAVING;
5692
5693     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5694     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5695
5696     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5697     infotext[max_infotext_len] = '\0';
5698
5699     gi = CreateGadget(GDI_CUSTOM_ID, id,
5700                       GDI_CUSTOM_TYPE_ID, i,
5701                       GDI_INFO_TEXT, infotext,
5702                       GDI_X, SX + textarea_info[i].x,
5703                       GDI_Y, SY + textarea_info[i].y,
5704                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5705                       GDI_AREA_SIZE, area_xsize, area_ysize,
5706                       GDI_TEXT_FONT, FONT_INPUT_1,
5707                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5708                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5709                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5710                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5711                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5712                       GDI_EVENT_MASK, event_mask,
5713                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5714                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5715                       GDI_END);
5716
5717     if (gi == NULL)
5718       Error(ERR_EXIT, "cannot create gadget");
5719
5720     level_editor_gadget[id] = gi;
5721   }
5722 }
5723
5724 static void CreateSelectboxGadgets()
5725 {
5726   int max_infotext_len = getMaxInfoTextLength();
5727   int i, j;
5728
5729   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5730   {
5731     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5732     int gd_x, gd_y;
5733     struct GadgetInfo *gi;
5734     unsigned long event_mask;
5735     char infotext[MAX_OUTPUT_LINESIZE + 1];
5736     int id = selectbox_info[i].gadget_id;
5737     int x = SX + selectbox_info[i].x;
5738     int y = SY + selectbox_info[i].y;
5739
5740     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5741     {
5742       /* (we cannot use -1 for uninitialized values if we directly compare
5743          with results from strlen(), because the '<' and '>' operation will
5744          implicitely cast -1 to an unsigned integer value!) */
5745       selectbox_info[i].size = 0;
5746
5747       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5748         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5749           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5750
5751       selectbox_info[i].size++;         /* add one character empty space */
5752     }
5753
5754     event_mask = GD_EVENT_RELEASED |
5755       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5756
5757     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5758     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5759
5760     /* determine horizontal position to the right of specified gadget */
5761     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5762       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5763            ED_GADGET_TEXT_DISTANCE);
5764
5765     /* determine horizontal offset for leading text */
5766     if (selectbox_info[i].text_left != NULL)
5767       x += getTextWidthForGadget(selectbox_info[i].text_left);
5768
5769     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5770     infotext[max_infotext_len] = '\0';
5771
5772     gi = CreateGadget(GDI_CUSTOM_ID, id,
5773                       GDI_CUSTOM_TYPE_ID, i,
5774                       GDI_INFO_TEXT, infotext,
5775                       GDI_X, x,
5776                       GDI_Y, y,
5777                       GDI_TYPE, GD_TYPE_SELECTBOX,
5778                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5779                       GDI_TEXT_SIZE, selectbox_info[i].size,
5780                       GDI_TEXT_FONT, FONT_INPUT_1,
5781                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5782                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5783                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5784                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5785                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5786                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5787                       GDI_EVENT_MASK, event_mask,
5788                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5789                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5790                       GDI_END);
5791
5792     if (gi == NULL)
5793       Error(ERR_EXIT, "cannot create gadget");
5794
5795     level_editor_gadget[id] = gi;
5796     right_gadget_border[id] =
5797       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5798   }
5799 }
5800
5801 static void CreateTextbuttonGadgets()
5802 {
5803   int max_infotext_len = getMaxInfoTextLength();
5804   int i;
5805
5806   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5807   {
5808     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5809     int gd_x1, gd_x2, gd_y1, gd_y2;
5810     struct GadgetInfo *gi;
5811     unsigned long event_mask;
5812     char infotext[MAX_OUTPUT_LINESIZE + 1];
5813     int id = textbutton_info[i].gadget_id;
5814     int x = SX + textbutton_info[i].x;
5815     int y = SY + textbutton_info[i].y;
5816
5817     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5818       textbutton_info[i].size = strlen(textbutton_info[i].text);
5819
5820     event_mask = GD_EVENT_RELEASED;
5821
5822     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5823         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5824     {
5825       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5826       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5827       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5828       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5829     }
5830     else
5831     {
5832       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5833       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5834       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5835       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5836     }
5837
5838     sprintf(infotext, "%s", textbutton_info[i].infotext);
5839     infotext[max_infotext_len] = '\0';
5840
5841     /* determine horizontal position to the right of specified gadget */
5842     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5843       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5844            ED_GADGET_TEXT_DISTANCE);
5845
5846     /* determine horizontal offset for leading text */
5847     if (textbutton_info[i].text_left != NULL)
5848       x += getTextWidthForGadget(textbutton_info[i].text_left);
5849
5850     gi = CreateGadget(GDI_CUSTOM_ID, id,
5851                       GDI_CUSTOM_TYPE_ID, i,
5852                       GDI_INFO_TEXT, infotext,
5853                       GDI_X, x,
5854                       GDI_Y, y,
5855                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5856                       GDI_TEXT_VALUE, textbutton_info[i].text,
5857                       GDI_TEXT_SIZE, textbutton_info[i].size,
5858                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5859                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5860                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5861                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5862                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5863                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5864                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5865                       GDI_DECORATION_SHIFTING, 1, 1,
5866                       GDI_EVENT_MASK, event_mask,
5867                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5868                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5869                       GDI_END);
5870
5871     if (gi == NULL)
5872       Error(ERR_EXIT, "cannot create gadget");
5873
5874     level_editor_gadget[id] = gi;
5875     right_gadget_border[id] =
5876       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5877   }
5878 }
5879
5880 static void CreateGraphicbuttonGadgets()
5881 {
5882   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5883   struct GadgetInfo *gi;
5884   unsigned long event_mask;
5885   int i;
5886
5887   /* create buttons for scrolling of drawing area and element list */
5888   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5889   {
5890     int id = graphicbutton_info[i].gadget_id;
5891     int gd_x1, gd_x2, gd_y1, gd_y2;
5892     int x = SX + graphicbutton_info[i].x;
5893     int y = SY + graphicbutton_info[i].y;
5894
5895     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5896
5897     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5898     {
5899       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5900       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5901       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5902       gd_y2 = gd_y1;
5903     }
5904     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5905     {
5906       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5907       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5908       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5909       gd_y2 = gd_y1;
5910     }
5911
5912     /* determine horizontal position to the right of specified gadget */
5913     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5914       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5915            ED_GADGET_TEXT_DISTANCE);
5916
5917     /* determine horizontal offset for leading text */
5918     if (graphicbutton_info[i].text_left != NULL)
5919       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5920
5921     gi = CreateGadget(GDI_CUSTOM_ID, id,
5922                       GDI_CUSTOM_TYPE_ID, i,
5923                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5924                       GDI_X, x,
5925                       GDI_Y, y,
5926                       GDI_WIDTH, graphicbutton_info[i].width,
5927                       GDI_HEIGHT, graphicbutton_info[i].height,
5928                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5929                       GDI_STATE, GD_BUTTON_UNPRESSED,
5930                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5931                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5932                       GDI_EVENT_MASK, event_mask,
5933                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5934                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
5935                       GDI_END);
5936
5937     if (gi == NULL)
5938       Error(ERR_EXIT, "cannot create gadget");
5939
5940     level_editor_gadget[id] = gi;
5941     right_gadget_border[id] =
5942       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
5943   }
5944 }
5945
5946 static void CreateScrollbarGadgets()
5947 {
5948   int i;
5949
5950   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
5951   {
5952     int id = scrollbar_info[i].gadget_id;
5953     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5954     int gd_x1, gd_x2, gd_y1, gd_y2;
5955     struct GadgetInfo *gi;
5956     int items_max, items_visible, item_position;
5957     unsigned long event_mask;
5958
5959     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
5960     {
5961       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
5962       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
5963       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
5964     }
5965     else        /* drawing area scrollbars */
5966     {
5967       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
5968       {
5969         items_max = MAX(lev_fieldx + 2, ed_fieldx);
5970         items_visible = ed_fieldx;
5971         item_position = 0;
5972       }
5973       else
5974       {
5975         items_max = MAX(lev_fieldy + 2, ed_fieldy);
5976         items_visible = ed_fieldy;
5977         item_position = 0;
5978       }
5979     }
5980
5981     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
5982
5983     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
5984     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
5985                       scrollbar_info[i].height : scrollbar_info[i].width));
5986     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
5987     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
5988
5989     gi = CreateGadget(GDI_CUSTOM_ID, id,
5990                       GDI_CUSTOM_TYPE_ID, i,
5991                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
5992                       GDI_X, scrollbar_info[i].x,
5993                       GDI_Y, scrollbar_info[i].y,
5994                       GDI_WIDTH, scrollbar_info[i].width,
5995                       GDI_HEIGHT, scrollbar_info[i].height,
5996                       GDI_TYPE, scrollbar_info[i].type,
5997                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
5998                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
5999                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6000                       GDI_WHEEL_AREA_X, scrollbar_info[i].wheel_x,
6001                       GDI_WHEEL_AREA_Y, scrollbar_info[i].wheel_y,
6002                       GDI_WHEEL_AREA_WIDTH, scrollbar_info[i].wheel_width,
6003                       GDI_WHEEL_AREA_HEIGHT, scrollbar_info[i].wheel_height,
6004                       GDI_STATE, GD_BUTTON_UNPRESSED,
6005                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6006                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6007                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6008                       GDI_EVENT_MASK, event_mask,
6009                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6010                       GDI_CALLBACK_ACTION, HandleControlButtons,
6011                       GDI_END);
6012
6013     if (gi == NULL)
6014       Error(ERR_EXIT, "cannot create gadget");
6015
6016     level_editor_gadget[id] = gi;
6017   }
6018 }
6019
6020 static void CreateCheckbuttonGadgets()
6021 {
6022   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6023   struct GadgetInfo *gi;
6024   unsigned long event_mask;
6025   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6026   int i;
6027
6028   event_mask = GD_EVENT_PRESSED;
6029
6030   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6031   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6032   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6033   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6034   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6035
6036   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6037   {
6038     int id = checkbutton_info[i].gadget_id;
6039     int x = SX + checkbutton_info[i].x;
6040     int y = SY + checkbutton_info[i].y;
6041
6042     if (id == GADGET_ID_STICK_ELEMENT)
6043       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6044     else
6045       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6046
6047     /* determine horizontal position to the right of specified gadget */
6048     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6049       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6050            ED_GADGET_TEXT_DISTANCE);
6051
6052     /* determine horizontal offset for leading text */
6053     if (checkbutton_info[i].text_left != NULL)
6054       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6055
6056     gi = CreateGadget(GDI_CUSTOM_ID, id,
6057                       GDI_CUSTOM_TYPE_ID, i,
6058                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6059                       GDI_X, x,
6060                       GDI_Y, y,
6061                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6062                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6063                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6064                       GDI_CHECKED, *checkbutton_info[i].value,
6065                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6066                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6067                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6068                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6069                       GDI_EVENT_MASK, event_mask,
6070                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6071                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6072                       GDI_END);
6073
6074     if (gi == NULL)
6075       Error(ERR_EXIT, "cannot create gadget");
6076
6077     level_editor_gadget[id] = gi;
6078     right_gadget_border[id] =
6079       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6080   }
6081 }
6082
6083 static void CreateRadiobuttonGadgets()
6084 {
6085   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6086   struct GadgetInfo *gi;
6087   unsigned long event_mask;
6088   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6089   int i;
6090
6091   event_mask = GD_EVENT_PRESSED;
6092
6093   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6094   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6095   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6096   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6097   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6098
6099   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6100   {
6101     int id = radiobutton_info[i].gadget_id;
6102     int x = SX + radiobutton_info[i].x;
6103     int y = SY + radiobutton_info[i].y;
6104
6105     int checked =
6106       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6107
6108     /* determine horizontal position to the right of specified gadget */
6109     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6110       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6111            ED_GADGET_TEXT_DISTANCE);
6112
6113     /* determine horizontal offset for leading text */
6114     if (radiobutton_info[i].text_left != NULL)
6115       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6116
6117     gi = CreateGadget(GDI_CUSTOM_ID, id,
6118                       GDI_CUSTOM_TYPE_ID, i,
6119                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6120                       GDI_X, x,
6121                       GDI_Y, y,
6122                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6123                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6124                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6125                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6126                       GDI_CHECKED, checked,
6127                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6128                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6129                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6130                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6131                       GDI_EVENT_MASK, event_mask,
6132                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6133                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6134                       GDI_END);
6135
6136     if (gi == NULL)
6137       Error(ERR_EXIT, "cannot create gadget");
6138
6139     level_editor_gadget[id] = gi;
6140     right_gadget_border[id] =
6141       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6142   }
6143 }
6144
6145 void CreateLevelEditorGadgets()
6146 {
6147   int old_game_status = game_status;
6148
6149   /* setting 'game_status' is needed to get the right fonts for the editor */
6150   game_status = GAME_MODE_EDITOR;
6151
6152   ReinitializeElementList();
6153
6154   CreateControlButtons();
6155   CreateScrollbarGadgets();
6156
6157   /* order of function calls is important because of cross-references */
6158   CreateCheckbuttonGadgets();
6159   CreateCounterButtons();
6160   CreateRadiobuttonGadgets();
6161   CreateTextInputGadgets();
6162   CreateTextAreaGadgets();
6163   CreateSelectboxGadgets();
6164   CreateGraphicbuttonGadgets();
6165   CreateTextbuttonGadgets();
6166   CreateDrawingAreas();
6167
6168   game_status = old_game_status;
6169 }
6170
6171 void FreeLevelEditorGadgets()
6172 {
6173   int i;
6174
6175   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6176   {
6177     FreeGadget(level_editor_gadget[i]);
6178
6179     level_editor_gadget[i] = NULL;
6180   }
6181 }
6182
6183 static void MapCounterButtons(int id)
6184 {
6185   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6186   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6187   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6188   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6189   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6190   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6191   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6192   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6193   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6194   int yoffset = ED_BORDER_SIZE;
6195   int x_left = gi_down->x - xoffset_left;
6196   int x_right;  /* set after gadget position was modified */
6197   int y_above = gi_down->y - yoffset_above;
6198   int x = gi_down->x;
6199   int y;        /* set after gadget position was modified */
6200
6201   /* counter limits must be changed first to prevent value truncation */
6202   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6203                             counterbutton_info[id].max_value);
6204
6205   /* right text position might have changed after setting position above */
6206   x_right = gi_up->x + gi_up->width + xoffset_right;
6207
6208   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6209
6210   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6211   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6212       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6213   {
6214     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6215     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6216     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6217   }
6218
6219   /* vertical position might have changed after setting position above */
6220   y = gi_up->y + yoffset;
6221
6222   if (counterbutton_info[id].text_above)
6223     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6224
6225   if (counterbutton_info[id].text_left)
6226     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6227
6228   if (counterbutton_info[id].text_right)
6229     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6230
6231   MapGadget(gi_down);
6232   MapGadget(gi_text);
6233   MapGadget(gi_up);
6234 }
6235
6236 static void MapControlButtons()
6237 {
6238   int counter_id;
6239   int i;
6240
6241   /* map toolbox buttons (excluding special CE toolbox buttons) */
6242   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6243     MapGadget(level_editor_gadget[i]);
6244
6245   /* map buttons to select elements */
6246   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6247     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6248   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6249   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6250   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6251
6252   /* map buttons to select level */
6253   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6254   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6255   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6256   MapCounterButtons(counter_id);
6257 }
6258
6259 static void MapDrawingArea(int id)
6260 {
6261   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6262   int area_xsize = gi->drawing.area_xsize;
6263   int area_ysize = gi->drawing.area_ysize;
6264   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6265   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6266   int x_left  = gi->x - xoffset_left;
6267   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6268   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6269   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6270   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6271
6272   if (drawingarea_info[id].text_left)
6273     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6274
6275   if (drawingarea_info[id].text_right)
6276     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6277
6278   if (drawingarea_info[id].text_below)
6279     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6280
6281   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6282   {
6283     DrawElementBorder(gi->x, gi->y,
6284                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6285
6286     DrawDrawingArea(id);
6287   }
6288
6289   MapGadget(gi);
6290 }
6291
6292 static void MapTextInputGadget(int id)
6293 {
6294   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6295   int xoffset_above = 0;
6296   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6297   int x_above = textinput_info[id].x + xoffset_above;
6298   int y_above = textinput_info[id].y + yoffset_above;
6299
6300   if (textinput_info[id].text_above)
6301     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6302
6303   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6304
6305   MapGadget(gi);
6306 }
6307
6308 static void MapTextAreaGadget(int id)
6309 {
6310   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6311   int xoffset_above = 0;
6312   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6313   int x_above = textarea_info[id].x + xoffset_above;
6314   int y_above = textarea_info[id].y + yoffset_above;
6315
6316   if (textarea_info[id].text_above)
6317     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6318
6319   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6320
6321   MapGadget(gi);
6322 }
6323
6324 static void MapSelectboxGadget(int id)
6325 {
6326   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6327   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6328   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6329   int yoffset = ED_BORDER_SIZE;
6330   int x_left = gi->x - xoffset_left;
6331   int x_right = gi->x + gi->width + xoffset_right;
6332   int y = gi->y + yoffset;
6333
6334   if (selectbox_info[id].text_left)
6335     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6336
6337   if (selectbox_info[id].text_right)
6338     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6339
6340   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6341
6342   MapGadget(gi);
6343 }
6344
6345 static void MapTextbuttonGadget(int id)
6346 {
6347   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6348   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6349   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6350   int yoffset = ED_BORDER_SIZE;
6351   int x_left = gi->x - xoffset_left;
6352   int x_right = gi->x + gi->width + xoffset_right;
6353   int y = gi->y + yoffset;
6354
6355   /* only show button to delete change pages when more than minimum pages */
6356   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6357       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6358     return;
6359
6360   if (textbutton_info[id].text_left)
6361     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6362
6363   if (textbutton_info[id].text_right)
6364     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6365
6366   MapGadget(gi);
6367 }
6368
6369 static void MapGraphicbuttonGadget(int id)
6370 {
6371   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6372   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6373   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6374   int yoffset = ED_BORDER_SIZE;
6375   int x_left = gi->x - xoffset_left;
6376   int x_right = gi->x + gi->width + xoffset_right;
6377   int y = gi->y + yoffset;
6378
6379   if (graphicbutton_info[id].text_left)
6380     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6381
6382   if (graphicbutton_info[id].text_right)
6383     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6384
6385   MapGadget(gi);
6386 }
6387
6388 static void MapRadiobuttonGadget(int id)
6389 {
6390   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6391   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6392   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6393   int yoffset = ED_BORDER_SIZE;
6394   int x_left = gi->x - xoffset_left;
6395   int x_right = gi->x + gi->width + xoffset_right;
6396   int y = gi->y + yoffset;
6397   boolean checked =
6398     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6399
6400   if (radiobutton_info[id].text_left)
6401     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6402
6403   if (radiobutton_info[id].text_right)
6404     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6405
6406   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6407
6408   MapGadget(gi);
6409 }
6410
6411 static void MapCheckbuttonGadget(int id)
6412 {
6413   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6414   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6415   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6416   int yoffset = ED_BORDER_SIZE;
6417   int x_left, x_right, y;       /* set after gadget position was modified */
6418
6419   /* set position for gadgets with dynamically determined position */
6420   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6421     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6422   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6423
6424   x_left = gi->x - xoffset_left;
6425   x_right = gi->x + gi->width + xoffset_right;
6426   y = gi->y + yoffset;
6427
6428   if (checkbutton_info[id].text_left)
6429     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6430
6431   if (checkbutton_info[id].text_right)
6432     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6433
6434   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6435
6436   MapGadget(gi);
6437 }
6438
6439 static void MapMainDrawingArea()
6440 {
6441   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6442   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6443   int i;
6444
6445   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6446   {
6447     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6448           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6449          no_horizontal_scrollbar) ||
6450         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6451           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6452          no_vertical_scrollbar))
6453       continue;
6454
6455     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6456   }
6457
6458   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6459   {
6460     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6461         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6462       continue;
6463
6464     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6465   }
6466
6467   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6468 }
6469
6470 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6471 {
6472   int i;
6473
6474   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6475   {
6476     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6477         i == GADGET_ID_CUSTOM_COPY_TO ||
6478         i == GADGET_ID_CUSTOM_EXCHANGE ||
6479         i == GADGET_ID_CUSTOM_COPY ||
6480         i == GADGET_ID_CUSTOM_PASTE)
6481     {
6482       if (map)
6483         MapGadget(level_editor_gadget[i]);
6484       else
6485         UnmapGadget(level_editor_gadget[i]);
6486     }
6487   }
6488 }
6489
6490 static void MapLevelEditorToolboxCustomGadgets()
6491 {
6492   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6493 }
6494
6495 static void UnmapLevelEditorToolboxCustomGadgets()
6496 {
6497   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6498 }
6499
6500 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6501 {
6502   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6503   int i;
6504
6505   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6506   {
6507     if (i != GADGET_ID_SINGLE_ITEMS &&
6508         i != GADGET_ID_PROPERTIES &&
6509         i != GADGET_ID_PICK_ELEMENT)
6510     {
6511       struct GadgetInfo *gi = level_editor_gadget[i];
6512
6513       if (map)
6514         MapGadget(gi);
6515       else
6516       {
6517         UnmapGadget(gi);
6518
6519         BlitBitmap(gd_bitmap, drawto,
6520                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6521                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6522                    gi->width, gi->height, gi->x, gi->y);
6523
6524         redraw_mask |= REDRAW_DOOR_3;
6525       }
6526     }
6527   }
6528 }
6529
6530 static void MapLevelEditorToolboxDrawingGadgets()
6531 {
6532   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6533 }
6534
6535 static void UnmapLevelEditorToolboxDrawingGadgets()
6536 {
6537   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6538 }
6539
6540 static void UnmapDrawingArea(int id)
6541 {
6542   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6543 }
6544
6545 static void UnmapLevelEditorWindowGadgets()
6546 {
6547   int i;
6548
6549   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6550     if (level_editor_gadget[i]->x < SX + SXSIZE)
6551       UnmapGadget(level_editor_gadget[i]);
6552 }
6553
6554 void UnmapLevelEditorGadgets()
6555 {
6556   int i;
6557
6558   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6559     UnmapGadget(level_editor_gadget[i]);
6560 }
6561
6562 static void ResetUndoBuffer()
6563 {
6564   undo_buffer_position = -1;
6565   undo_buffer_steps = -1;
6566   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6567
6568   level.changed = FALSE;
6569 }
6570
6571 static void DrawEditModeWindow()
6572 {
6573   ModifyEditorElementList();
6574   RedrawDrawingElements();
6575
6576   if (edit_mode == ED_MODE_INFO)
6577     DrawLevelInfoWindow();
6578   else if (edit_mode == ED_MODE_PROPERTIES)
6579     DrawPropertiesWindow();
6580   else  /* edit_mode == ED_MODE_DRAWING */
6581     DrawDrawingWindow();
6582 }
6583
6584 static boolean LevelChanged()
6585 {
6586   boolean field_changed = FALSE;
6587   int x, y;
6588
6589 #if 1
6590   /* changed read-only levels can now be saved in personal level set */
6591 #else
6592   if (leveldir_current->readonly)
6593     return FALSE;
6594 #endif
6595
6596   for (y = 0; y < lev_fieldy; y++)
6597     for (x = 0; x < lev_fieldx; x++)
6598       if (Feld[x][y] != level.field[x][y])
6599         field_changed = TRUE;
6600
6601   return (level.changed || field_changed);
6602 }
6603
6604 static boolean PrepareSavingIntoPersonalLevelSet()
6605 {
6606   static LevelDirTree *last_copied_leveldir = NULL;
6607   static LevelDirTree *last_written_leveldir = NULL;
6608   static int last_copied_level_nr = -1;
6609   static int last_written_level_nr = -1;
6610   LevelDirTree *leveldir_former = leveldir_current;
6611   int level_nr_former = level_nr;
6612   int new_level_nr;
6613
6614   // remember last mod/save so that for current session, we write
6615   // back to the same personal copy, asking only about overwrite.
6616   if (leveldir_current == last_copied_leveldir &&
6617       level_nr == last_copied_level_nr)
6618   {
6619     // "cd" to personal level set dir (as used when writing last copy)
6620     leveldir_current = last_written_leveldir;
6621     level_nr = last_written_level_nr;
6622
6623     return TRUE;
6624   }
6625
6626   if (!Request("This level is read only ! "
6627                "Save into personal level set ?", REQ_ASK))
6628     return FALSE;
6629
6630   // "cd" to personal level set dir (for writing copy the first time)
6631   leveldir_current =
6632     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6633
6634   // find unused level number
6635   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6636   {
6637     static char *level_filename = NULL;
6638
6639     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6640
6641     if (!fileExists(level_filename))
6642       break;
6643   }
6644
6645   last_copied_leveldir = leveldir_former;
6646   last_copied_level_nr = level_nr_former;
6647
6648   last_written_leveldir = leveldir_current;
6649   last_written_level_nr = level_nr = new_level_nr;
6650
6651   return TRUE;
6652 }
6653
6654 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6655 {
6656   static char *filename_levelinfo = NULL, *mod_name = NULL;
6657   FILE *file;
6658
6659   // annotate this copy-and-mod in personal levelinfo.conf
6660   setString(&filename_levelinfo,
6661             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6662
6663   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6664   {
6665     fprintf(file, "\n");
6666     fprintf(file, "# level %d was modified from:\n", level_nr);
6667     fprintf(file, "# - previous level set name:    %s\n",
6668             former_name);
6669     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6670             level.file_info.nr, level.name);
6671     fprintf(file, "# - previous author:            %s\n",
6672             level.author);
6673     fprintf(file, "# - previous save date:         ");
6674
6675     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6676     {
6677       fprintf(file, "%04d-%02d-%02d\n",
6678               level.creation_date.year,
6679               level.creation_date.month,
6680               level.creation_date.day);
6681     }
6682     else
6683     {
6684       fprintf(file, "not recorded\n");
6685     }
6686
6687     fclose(file);
6688   }
6689
6690   if (level_nr > leveldir_current->last_level)
6691   {
6692     static char *temp_levelinfo = NULL;
6693     FILE *temp_file = NULL;
6694     char line[MAX_LINE_LEN];
6695
6696     setString(&temp_levelinfo,
6697               getPath2(getCurrentLevelDir(),
6698                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6699
6700     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6701         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6702     {
6703       while (fgets(line, MAX_LINE_LEN, file))
6704       {
6705         if (!strPrefix(line, "levels:"))
6706           fputs(line, temp_file);
6707         else
6708           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6709       }
6710     }
6711
6712     if (temp_file)
6713       fclose(temp_file);
6714
6715     if (file)
6716       fclose(file);
6717
6718     // needs error handling; also, ok on dos/win?
6719     unlink(filename_levelinfo);
6720     rename(temp_levelinfo, filename_levelinfo);
6721   }
6722
6723   // else: allow the save even if annotation failed
6724
6725   // now... spray graffiti on the old level vital statistics
6726   // user can change these; just trying to set a good baseline
6727
6728   // don't truncate names for fear of making offensive or silly:
6729   // long-named original author only recorded in levelinfo.conf.
6730   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6731   if (!strEqual(level.author, leveldir_current->author))
6732   {
6733     setString(&mod_name, getStringCat3(leveldir_current->author,
6734                                        " after ", level.author));
6735
6736     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6737       setString(&mod_name,
6738                 getStringCat2(leveldir_current->author, " (ed.)"));
6739
6740     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6741       setString(&mod_name, leveldir_current->author);
6742
6743     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6744
6745     // less worried about truncation here
6746     setString(&mod_name, getStringCat2("Mod: ", level.name));
6747     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6748   }
6749 }
6750
6751 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6752                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6753 {
6754   int x, y;
6755
6756   for (x = 0; x < lev_fieldx; x++)
6757     for (y = 0; y < lev_fieldy; y++)
6758       dst[x][y] = src[x][y];
6759 }
6760
6761 static int setSelectboxValue(int selectbox_id, int new_value)
6762 {
6763   int new_index_value = 0;
6764   int i;
6765
6766   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6767     if (selectbox_info[selectbox_id].options[i].value == new_value)
6768       new_index_value = i;
6769
6770   *selectbox_info[selectbox_id].value =
6771     selectbox_info[selectbox_id].options[new_index_value].value;
6772
6773   return new_index_value;
6774 }
6775
6776 static void setSelectboxSpecialActionVariablesIfNeeded()
6777 {
6778   int i;
6779
6780   /* change action mode and arg variables according to action type variable */
6781   for (i = 0; action_arg_options[i].value != -1; i++)
6782   {
6783     if (action_arg_options[i].value == custom_element_change.action_type)
6784     {
6785       int mode = action_arg_options[i].mode;
6786
6787       /* only change if corresponding selectbox has changed */
6788       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6789           action_arg_modes[mode])
6790         custom_element_change.action_mode = -1;
6791
6792       /* only change if corresponding selectbox has changed */
6793       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6794           action_arg_options[i].options)
6795         custom_element_change.action_arg = -1;
6796
6797       break;
6798     }
6799   }
6800 }
6801
6802 static void setSelectboxSpecialActionOptions()
6803 {
6804   int i;
6805
6806   /* change action mode and arg selectbox according to action type selectbox */
6807   for (i = 0; action_arg_options[i].value != -1; i++)
6808   {
6809     if (action_arg_options[i].value == custom_element_change.action_type)
6810     {
6811       int mode = action_arg_options[i].mode;
6812
6813       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6814                                    action_arg_modes[mode]);
6815       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6816                                  custom_element_change.action_mode);
6817
6818       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6819                                    action_arg_options[i].options);
6820       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6821                                  custom_element_change.action_arg);
6822       break;
6823     }
6824   }
6825 }
6826
6827 static void copy_custom_element_settings(int element_from, int element_to)
6828 {
6829   struct ElementInfo *ei_from = &element_info[element_from];
6830   struct ElementInfo *ei_to = &element_info[element_to];
6831
6832   copyElementInfo(ei_from, ei_to);
6833 }
6834
6835 static void replace_custom_element_in_settings(int element_from,
6836                                                int element_to)
6837 {
6838   int i, j, x, y;
6839
6840   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6841   {
6842     struct ElementInfo *ei = &element_info[i];
6843
6844     for (y = 0; y < 3; y++)
6845       for (x = 0; x < 3; x++)
6846         if (ei->content.e[x][y] == element_from)
6847           ei->content.e[x][y] = element_to;
6848
6849     for (j = 0; j < ei->num_change_pages; j++)
6850     {
6851       struct ElementChangeInfo *change = &ei->change_page[j];
6852
6853       if (change->target_element == element_from)
6854         change->target_element = element_to;
6855
6856       if (change->initial_trigger_element == element_from)
6857         change->initial_trigger_element = element_to;
6858
6859       if (change->action_element == element_from)
6860         change->action_element = element_to;
6861
6862       for (y = 0; y < 3; y++)
6863         for (x = 0; x < 3; x++)
6864           if (change->target_content.e[x][y] == element_from)
6865             change->target_content.e[x][y] = element_to;
6866     }
6867
6868     if (ei->group != NULL)                              /* group or internal */
6869       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6870         if (ei->group->element[j] == element_from)
6871           ei->group->element[j] = element_to;
6872   }
6873 }
6874
6875 static void replace_custom_element_in_playfield(int element_from,
6876                                                 int element_to)
6877 {
6878   int x, y;
6879
6880   for (x = 0; x < lev_fieldx; x++)
6881     for (y = 0; y < lev_fieldy; y++)
6882       if (Feld[x][y] == element_from)
6883         Feld[x][y] = element_to;
6884 }
6885
6886 static boolean CopyCustomElement(int element_old, int element_new,
6887                                  int copy_mode)
6888 {
6889   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6890   {
6891     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6892                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6893     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6894   }
6895   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
6896   {
6897     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
6898                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6899     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6900
6901     level.changed = TRUE;
6902   }
6903   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
6904   {
6905     Request("Please choose custom element !", REQ_CONFIRM);
6906
6907     return FALSE;
6908   }
6909   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
6910   {
6911     Request("Please choose group element !", REQ_CONFIRM);
6912
6913     return FALSE;
6914   }
6915   else
6916   {
6917     level.changed = TRUE;
6918   }
6919
6920   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
6921   {
6922     copy_custom_element_settings(element_new, element_old);
6923   }
6924   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
6925   {
6926     copy_custom_element_settings(element_old, element_new);
6927   }
6928   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
6929   {
6930     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
6931     copy_custom_element_settings(element_new, element_old);
6932     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
6933
6934     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
6935     replace_custom_element_in_settings(element_new, element_old);
6936     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
6937
6938     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
6939     replace_custom_element_in_playfield(element_new, element_old);
6940     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
6941   }
6942
6943   UpdateCustomElementGraphicGadgets();
6944   DrawPropertiesWindow();
6945
6946   return TRUE;
6947 }
6948
6949 static void CopyCustomElementPropertiesToEditor(int element)
6950 {
6951   int i;
6952   int current_change_page = element_info[element].current_change_page;
6953
6954   /* dynamically (re)build selectbox for selecting change page */
6955   for (i = 0; i < element_info[element].num_change_pages; i++)
6956   {
6957     sprintf(options_change_page_strings[i], "%d", i + 1);
6958
6959     options_change_page[i].value = i;
6960     options_change_page[i].text = options_change_page_strings[i];
6961   }
6962
6963   options_change_page[i].value = -1;
6964   options_change_page[i].text = NULL;
6965
6966   /* needed here to initialize combined element properties */
6967   InitElementPropertiesEngine(level.game_version);
6968
6969   element_info[element].change =
6970     &element_info[element].change_page[current_change_page];
6971
6972   custom_element = element_info[element];
6973   custom_element_change = *element_info[element].change;
6974
6975   /* needed to initially set selectbox options for special action options */
6976   setSelectboxSpecialActionOptions();
6977
6978   /* needed to initially set selectbox value variables to reliable defaults */
6979   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6980     setSelectboxValue(i, *selectbox_info[i].value);
6981
6982   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
6983     custom_element_properties[i] = HAS_PROPERTY(element, i);
6984
6985   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
6986     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
6987
6988   /* ---------- element settings: configure (custom elements) ------------- */
6989
6990   /* set accessible layer selectbox help value */
6991   custom_element.access_type =
6992     (IS_WALKABLE(element) ? EP_WALKABLE :
6993      IS_PASSABLE(element) ? EP_PASSABLE :
6994      custom_element.access_type);
6995   custom_element.access_layer =
6996     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
6997      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
6998      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
6999      custom_element.access_layer);
7000   custom_element.access_protected =
7001     (IS_PROTECTED(element) ? 1 : 0);
7002   custom_element_properties[EP_ACCESSIBLE] =
7003     (IS_ACCESSIBLE_OVER(element) ||
7004      IS_ACCESSIBLE_INSIDE(element) ||
7005      IS_ACCESSIBLE_UNDER(element));
7006
7007   /* set walk-to-object action selectbox help value */
7008   custom_element.walk_to_action =
7009     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7010      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7011      IS_DROPPABLE(element) ? EP_DROPPABLE :
7012      IS_THROWABLE(element) ? EP_THROWABLE :
7013      IS_PUSHABLE(element) ? EP_PUSHABLE :
7014      custom_element.walk_to_action);
7015   custom_element_properties[EP_WALK_TO_OBJECT] =
7016     (IS_DIGGABLE(element) ||
7017      IS_COLLECTIBLE_ONLY(element) ||
7018      IS_DROPPABLE(element) ||
7019      IS_THROWABLE(element) ||
7020      IS_PUSHABLE(element));
7021
7022   /* set smash targets selectbox help value */
7023   custom_element.smash_targets =
7024     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7025      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7026      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7027      custom_element.smash_targets);
7028   custom_element_properties[EP_CAN_SMASH] =
7029     (CAN_SMASH_EVERYTHING(element) ||
7030      CAN_SMASH_ENEMIES(element) ||
7031      CAN_SMASH_PLAYER(element));
7032
7033   /* set deadliness selectbox help value */
7034   custom_element.deadliness =
7035     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7036      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7037      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7038      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7039      custom_element.deadliness);
7040   custom_element_properties[EP_DEADLY] =
7041     (DONT_TOUCH(element) ||
7042      DONT_GET_HIT_BY(element) ||
7043      DONT_COLLIDE_WITH(element) ||
7044      DONT_RUN_INTO(element));
7045
7046   /* ---------- element settings: advanced (custom elements) --------------- */
7047
7048   /* set "change by direct action" selectbox help value */
7049   custom_element_change.direct_action =
7050     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7051      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7052      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7053      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7054      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7055      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7056      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7057      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7058      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7059      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7060      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7061      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7062      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7063      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7064      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7065      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7066      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7067      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7068      custom_element_change.direct_action);
7069
7070   /* set "change by other element action" selectbox help value */
7071   custom_element_change.other_action =
7072     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7073      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7074      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7075      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7076      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7077      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7078      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7079      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7080      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7081      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7082      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7083      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7084      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7085      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7086      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7087      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7088      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7089      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7090      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7091      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7092      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7093      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7094      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7095      custom_element_change.other_action);
7096 }
7097
7098 static void CopyGroupElementPropertiesToEditor(int element)
7099 {
7100   group_element_info = *element_info[element].group;
7101   custom_element = element_info[element];       /* needed for description */
7102 }
7103
7104 static void CopyClassicElementPropertiesToEditor(int element)
7105 {
7106   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7107     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7108       getMoveIntoAcidProperty(&level, element);
7109
7110   if (MAYBE_DONT_COLLIDE_WITH(element))
7111     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7112       getDontCollideWithProperty(&level, element);
7113 }
7114
7115 static void CopyElementPropertiesToEditor(int element)
7116 {
7117   if (IS_CUSTOM_ELEMENT(element))
7118     CopyCustomElementPropertiesToEditor(element);
7119   else if (IS_GROUP_ELEMENT(element))
7120     CopyGroupElementPropertiesToEditor(element);
7121   else
7122     CopyClassicElementPropertiesToEditor(element);
7123 }
7124
7125 static void CopyCustomElementPropertiesToGame(int element)
7126 {
7127   int i;
7128   int access_type_and_layer;
7129
7130   /* mark that this custom element has been modified */
7131   custom_element.modified_settings = TRUE;
7132   level.changed = TRUE;
7133
7134   if (level.use_custom_template)
7135   {
7136     if (Request("Copy and modify level template ?", REQ_ASK))
7137     {
7138       level.use_custom_template = FALSE;
7139       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7140                    GDI_CHECKED, FALSE, GDI_END);
7141     }
7142     else
7143     {
7144       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7145
7146       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7147     }
7148   }
7149
7150   element_info[element] = custom_element;
7151   *element_info[element].change = custom_element_change;
7152
7153   /* ---------- element settings: configure (custom elements) ------------- */
7154
7155   /* set accessible property from checkbox and selectbox */
7156   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7157   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7158   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7159   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7160   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7161   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7162   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7163                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7164                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7165   custom_element_properties[access_type_and_layer] =
7166     custom_element_properties[EP_ACCESSIBLE];
7167   custom_element_properties[EP_PROTECTED] =
7168     (custom_element.access_protected != 0 &&
7169      custom_element_properties[EP_ACCESSIBLE]);
7170
7171   /* set walk-to-object property from checkbox and selectbox */
7172   custom_element_properties[EP_DIGGABLE] = FALSE;
7173   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7174   custom_element_properties[EP_DROPPABLE] = FALSE;
7175   custom_element_properties[EP_THROWABLE] = FALSE;
7176   custom_element_properties[EP_PUSHABLE] = FALSE;
7177   custom_element_properties[custom_element.walk_to_action] =
7178     custom_element_properties[EP_WALK_TO_OBJECT];
7179
7180   /* set smash property from checkbox and selectbox */
7181   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7182   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7183   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7184   custom_element_properties[custom_element.smash_targets] =
7185     custom_element_properties[EP_CAN_SMASH];
7186
7187   /* set deadliness property from checkbox and selectbox */
7188   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7189   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7190   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7191   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7192   custom_element_properties[custom_element.deadliness] =
7193     custom_element_properties[EP_DEADLY];
7194
7195   /* ---------- element settings: advanced (custom elements) --------------- */
7196
7197   /* set player change event from checkbox and selectbox */
7198   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7199   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7200   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7201   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7202   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7203   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7204   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7205   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7206   custom_element_change_events[CE_SWITCHED] = FALSE;
7207   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7208   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7209   custom_element_change_events[CE_BLOCKED] = FALSE;
7210   custom_element_change_events[CE_IMPACT] = FALSE;
7211   custom_element_change_events[CE_SMASHED] = FALSE;
7212   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7213   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7214   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7215   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7216   custom_element_change_events[custom_element_change.direct_action] =
7217     custom_element_change_events[CE_BY_DIRECT_ACTION];
7218
7219   /* set other element action change event from checkbox and selectbox */
7220   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7221   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7222   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7223   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7224   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7225   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7226   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7227   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7228   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7229   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7230   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7231   custom_element_change_events[CE_HITTING_X] = FALSE;
7232   custom_element_change_events[CE_DIGGING_X] = FALSE;
7233   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7234   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7235   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7236   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7237   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7238   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7239   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7240   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7241   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7242   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7243   custom_element_change_events[custom_element_change.other_action] =
7244     custom_element_change_events[CE_BY_OTHER_ACTION];
7245
7246   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7247     SET_PROPERTY(element, i, custom_element_properties[i]);
7248
7249   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7250     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7251
7252   /* copy change events also to special level editor variable */
7253   custom_element = element_info[element];
7254   custom_element_change = *element_info[element].change;
7255 }
7256
7257 static void CopyGroupElementPropertiesToGame(int element)
7258 {
7259   element_info[element] = custom_element;
7260   *element_info[element].group = group_element_info;
7261
7262   /* mark that this group element has been modified */
7263   element_info[element].modified_settings = TRUE;
7264   level.changed = TRUE;
7265 }
7266
7267 static void CopyClassicElementPropertiesToGame(int element)
7268 {
7269   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7270     setMoveIntoAcidProperty(&level, element,
7271                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7272
7273   if (MAYBE_DONT_COLLIDE_WITH(element))
7274     setDontCollideWithProperty(&level, element,
7275                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7276 }
7277
7278 static void CopyElementPropertiesToGame(int element)
7279 {
7280   if (IS_CUSTOM_ELEMENT(element))
7281     CopyCustomElementPropertiesToGame(element);
7282   else if (IS_GROUP_ELEMENT(element))
7283     CopyGroupElementPropertiesToGame(element);
7284   else
7285     CopyClassicElementPropertiesToGame(element);
7286 }
7287
7288 void CheckElementDescriptions()
7289 {
7290   int i;
7291
7292   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7293     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7294       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7295 }
7296
7297 void DrawLevelEd()
7298 {
7299   StopAnimation();
7300
7301   CloseDoor(DOOR_CLOSE_ALL);
7302
7303 #if 1
7304   FadeOut(REDRAW_FIELD);
7305 #endif
7306
7307   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
7308
7309 #if DEBUG
7310   CheckElementDescriptions();
7311 #endif
7312
7313   if (level_editor_test_game)
7314   {
7315     CopyPlayfield(level.field, Feld);
7316     CopyPlayfield(FieldBackup, level.field);
7317
7318     level_editor_test_game = FALSE;
7319   }
7320   else
7321   {
7322     edit_mode = ED_MODE_DRAWING;
7323     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7324     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7325
7326     ResetUndoBuffer();
7327
7328     level_xpos = -1;
7329     level_ypos = -1;
7330   }
7331
7332   /* copy default editor door content to main double buffer */
7333   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7334              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
7335
7336   /* draw bigger door */
7337   DrawSpecialEditorDoor();
7338
7339   /* draw new control window */
7340   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7341              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7342
7343   redraw_mask |= REDRAW_ALL;
7344
7345   ReinitializeElementList();            /* update dynamic level element list */
7346   ReinitializeElementListButtons();     /* custom element may look different */
7347
7348   InitElementPropertiesGfxElement();
7349
7350 #if 1
7351   UnmapAllGadgets();
7352 #else
7353   UnmapTapeButtons();
7354 #endif
7355   MapControlButtons();
7356
7357 #if 0
7358   FadeOut(REDRAW_FIELD);
7359 #endif
7360
7361   DrawEditModeWindow();
7362
7363 #if 1
7364   FadeIn(REDRAW_FIELD);
7365 #endif
7366
7367   /* copy actual editor door content to door double buffer for OpenDoor() */
7368   BlitBitmap(drawto, bitmap_db_door,
7369              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7370
7371 #if 1
7372   /* draw new control window (with border) to window */
7373   redraw_mask |= REDRAW_ALL;
7374   BackToFront();
7375 #endif
7376
7377   OpenDoor(DOOR_OPEN_1);
7378 }
7379
7380 static void AdjustDrawingAreaGadgets()
7381 {
7382   int ed_xsize = lev_fieldx + 2;
7383   int ed_ysize = lev_fieldy + 2;
7384   int max_ed_fieldx = MAX_ED_FIELDX;
7385   int max_ed_fieldy = MAX_ED_FIELDY;
7386   boolean horizontal_scrollbar_needed;
7387   boolean vertical_scrollbar_needed;
7388   int x, y, width, height;
7389   int xoffset, yoffset;
7390
7391   /* check if we need any scrollbars */
7392   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7393   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7394
7395   /* check if we have a smaller editor field because of scrollbars */
7396   if (horizontal_scrollbar_needed)
7397     max_ed_fieldy = MAX_ED_FIELDY - 1;
7398   if (vertical_scrollbar_needed)
7399     max_ed_fieldx = MAX_ED_FIELDX - 1;
7400
7401   /* check again if we now need more scrollbars because of less space */
7402   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7403   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7404
7405   /* check if editor field gets even smaller after adding new scrollbars */
7406   if (horizontal_scrollbar_needed)
7407     max_ed_fieldy = MAX_ED_FIELDY - 1;
7408   if (vertical_scrollbar_needed)
7409     max_ed_fieldx = MAX_ED_FIELDX - 1;
7410
7411   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7412   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7413
7414   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7415                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7416                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7417                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7418                GDI_END);
7419
7420   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7421   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7422
7423   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7424   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7425
7426   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7427   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7428
7429   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7430   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7431
7432   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7433                GDI_WIDTH, width,
7434                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7435                GDI_END);
7436   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7437                GDI_HEIGHT, height,
7438                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7439                GDI_END);
7440 }
7441
7442 static void AdjustLevelScrollPosition()
7443 {
7444   if (level_xpos < -1)
7445     level_xpos = -1;
7446   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7447     level_xpos = lev_fieldx - ed_fieldx + 1;
7448   if (lev_fieldx < ed_fieldx - 2)
7449     level_xpos = -1;
7450
7451   if (level_ypos < -1)
7452     level_ypos = -1;
7453   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7454     level_ypos = lev_fieldy - ed_fieldy + 1;
7455   if (lev_fieldy < ed_fieldy - 2)
7456     level_ypos = -1;
7457 }
7458
7459 static void AdjustEditorScrollbar(int id)
7460 {
7461   struct GadgetInfo *gi = level_editor_gadget[id];
7462   int items_max, items_visible, item_position;
7463
7464   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7465   {
7466     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7467     items_visible = ed_fieldx;
7468     item_position = level_xpos + 1;
7469   }
7470   else
7471   {
7472     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7473     items_visible = ed_fieldy;
7474     item_position = level_ypos + 1;
7475   }
7476
7477   if (item_position > items_max - items_visible)
7478     item_position = items_max - items_visible;
7479
7480   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7481                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7482 }
7483
7484 static void AdjustElementListScrollbar()
7485 {
7486   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7487   int items_max, items_visible, item_position;
7488
7489   /* correct position of element list scrollbar */
7490   if (element_shift < 0)
7491     element_shift = 0;
7492   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7493     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7494
7495   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7496   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7497   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7498
7499   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7500                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7501                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7502 }
7503
7504 static void ModifyEditorCounterValue(int counter_id, int new_value)
7505 {
7506   int *counter_value = counterbutton_info[counter_id].value;
7507   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7508   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7509
7510   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7511
7512   if (counter_value != NULL)
7513     *counter_value = gi->textinput.number_value;
7514 }
7515
7516 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7517 {
7518   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7519   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7520
7521   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7522
7523   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7524       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7525   {
7526     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7527     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7528
7529     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7530     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7531   }
7532 }
7533
7534 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7535 {
7536   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7537   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7538   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7539
7540   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7541 }
7542
7543 static void ModifyEditorSelectboxOptions(int selectbox_id,
7544                                          struct ValueTextInfo *options)
7545 {
7546   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7547   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7548
7549   selectbox_info[selectbox_id].options = options;
7550
7551   /* set index to zero -- list may be shorter now (correct later, if needed) */
7552   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7553                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7554 }
7555
7556 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7557 {
7558   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7559   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7560
7561   drawingarea_info[drawingarea_id].area_xsize = xsize;
7562   drawingarea_info[drawingarea_id].area_ysize = ysize;
7563
7564   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7565 }
7566
7567 static void ModifyEditorElementList()
7568 {
7569   int i;
7570
7571   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7572   {
7573     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7574     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7575     struct GadgetDesign *gd = &gi->deco.design;
7576     int element = editor_elements[element_shift + i];
7577
7578     UnmapGadget(gi);
7579
7580     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7581     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7582
7583     MapGadget(gi);
7584   }
7585 }
7586
7587 static void PickDrawingElement(int button, int element)
7588 {
7589   if (button < 1 || button > 3)
7590     return;
7591
7592   if (button == 1)
7593   {
7594     new_element1 = element;
7595     DrawMiniGraphicExt(drawto,
7596                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7597                        el2edimg(new_element1));
7598   }
7599   else if (button == 2)
7600   {
7601     new_element2 = element;
7602     DrawMiniGraphicExt(drawto,
7603                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7604                        el2edimg(new_element2));
7605   }
7606   else
7607   {
7608     new_element3 = element;
7609     DrawMiniGraphicExt(drawto,
7610                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7611                        el2edimg(new_element3));
7612   }
7613
7614   redraw_mask |= REDRAW_DOOR_1;
7615 }
7616
7617 static void RedrawDrawingElements()
7618 {
7619   PickDrawingElement(1, new_element1);
7620   PickDrawingElement(2, new_element2);
7621   PickDrawingElement(3, new_element3);
7622 }
7623
7624 static void DrawDrawingWindow()
7625 {
7626   stick_element_properties_window = FALSE;
7627
7628   SetMainBackgroundImage(IMG_UNDEFINED);
7629   ClearField();
7630
7631   UnmapLevelEditorWindowGadgets();
7632   UnmapLevelEditorToolboxCustomGadgets();
7633
7634   AdjustDrawingAreaGadgets();
7635   AdjustLevelScrollPosition();
7636   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7637   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7638
7639   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7640
7641   MapMainDrawingArea();
7642   MapLevelEditorToolboxDrawingGadgets();
7643 }
7644
7645 static int getTabulatorBarWidth()
7646 {
7647   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7648   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7649
7650   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7651 }
7652
7653 static void DrawLevelInfoTabulatorGadgets()
7654 {
7655   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7656   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7657   int gd_x = gd->x + gd_gi1->border.width / 2;
7658   int gd_y = gd->y + gd_gi1->height - 1;
7659   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7660   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7661   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7662 #if 1
7663 #else
7664   int max_tabs = 2;
7665 #endif
7666   int i;
7667
7668   for (i = id_first; i <= id_last; i++)
7669   {
7670     int gadget_id = textbutton_info[i].gadget_id;
7671     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7672     boolean active = (i != edit_mode_levelinfo);
7673
7674     /* draw background line below tabulator button */
7675     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7676
7677     /* draw solid line below inactive tabulator buttons */
7678     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7679       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7680
7681     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7682     MapTextbuttonGadget(i);
7683   }
7684
7685 #if 1
7686   /* draw little border line below tabulator buttons */
7687   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7688     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7689                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7690                   tab_color);
7691 #else
7692   /* draw little border line below tabulator buttons */
7693   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7694     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7695                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7696                   ED_GADGET_DISTANCE, tab_color);
7697 #endif
7698 }
7699
7700 static void DrawPropertiesTabulatorGadgets()
7701 {
7702   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7703   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7704   int gd_x = gd->x + gd_gi1->border.width / 2;
7705   int gd_y = gd->y + gd_gi1->height - 1;
7706   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7707   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7708   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7709 #if 1
7710 #else
7711   int max_tabs = 4;
7712 #endif
7713   int i;
7714
7715   /* draw two config tabulators for player elements */
7716   if (ELEM_IS_PLAYER(properties_element))
7717     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7718
7719   /* draw two config and one "change" tabulator for custom elements */
7720   if (IS_CUSTOM_ELEMENT(properties_element))
7721     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7722
7723   for (i = id_first; i <= id_last; i++)
7724   {
7725     int gadget_id = textbutton_info[i].gadget_id;
7726     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7727     boolean active = (i != edit_mode_properties);
7728
7729     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7730     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7731         (ELEM_IS_PLAYER(properties_element) ||
7732          IS_CUSTOM_ELEMENT(properties_element)))
7733       continue;
7734
7735     /* draw background line below tabulator button */
7736     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7737
7738     /* draw solid line below inactive tabulator buttons */
7739     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7740       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7741
7742     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7743     MapTextbuttonGadget(i);
7744   }
7745
7746 #if 1
7747   /* draw little border line below tabulator buttons */
7748   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7749     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7750                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7751                   tab_color);
7752 #else
7753   /* draw little border line below tabulator buttons */
7754   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7755     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7756                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7757                   ED_GADGET_DISTANCE, tab_color);
7758 #endif
7759 }
7760
7761 static void DrawLevelInfoLevel()
7762 {
7763   int i;
7764
7765   /* draw counter gadgets */
7766   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7767     MapCounterButtons(i);
7768
7769   /* draw selectbox gadgets */
7770   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7771     MapSelectboxGadget(i);
7772
7773   /* draw text input gadgets */
7774   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7775     MapTextInputGadget(i);
7776 }
7777
7778 static void DrawLevelInfoEditor()
7779 {
7780   int i;
7781
7782   /* draw counter gadgets */
7783   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7784     MapCounterButtons(i);
7785
7786   /* draw checkbutton gadgets */
7787   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7788     MapCheckbuttonGadget(i);
7789
7790   /* draw radiobutton gadgets */
7791   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7792     MapRadiobuttonGadget(i);
7793
7794   /* draw drawing area */
7795   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7796 }
7797
7798 static void DrawLevelInfoWindow()
7799 {
7800   stick_element_properties_window = FALSE;
7801
7802   UnmapLevelEditorWindowGadgets();
7803
7804   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7805   ClearField();
7806
7807 #if 1
7808 #if 1
7809   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7810 #else
7811   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Level Settings");
7812   DrawTextSCentered(ED_SETTINGS2_YPOS, FONT_TITLE_1, "Editor Settings");
7813 #endif
7814 #else
7815   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7816            "Level Settings", FONT_TITLE_1);
7817   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
7818            "Editor Settings", FONT_TITLE_1);
7819 #endif
7820
7821   DrawLevelInfoTabulatorGadgets();
7822
7823   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7824     DrawLevelInfoLevel();
7825   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7826     DrawLevelInfoEditor();
7827 }
7828
7829 static void DrawCustomContentArea()
7830 {
7831   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7832   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7833   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7834   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7835   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7836   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7837
7838   /* add distance for potential left text (without drawing area border) */
7839   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7840
7841   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7842
7843   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7844 }
7845
7846 static void DrawCustomChangeContentArea()
7847 {
7848   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7849   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7850   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7851   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7852   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7853   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7854
7855   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7856
7857   MapDrawingArea(id);
7858 }
7859
7860 static void DrawYamYamContentAreas()
7861 {
7862   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7863   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7864   int i;
7865
7866   /* display counter to choose number of element content areas */
7867   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7868
7869   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7870   {
7871     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7872
7873     if (i < level.num_yamyam_contents)
7874     {
7875       MapDrawingArea(id);
7876     }
7877     else
7878     {
7879       int font_height = getFontHeight(FONT_TEXT_1);
7880
7881       UnmapDrawingArea(id);
7882
7883       /* delete content areas in case of reducing number of them */
7884       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7885                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7886                      4 * MINI_TILEX,
7887                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7888     }
7889   }
7890
7891   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7892   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7893   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7894 }
7895
7896 static void DrawMagicBallContentAreas()
7897 {
7898   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7899   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7900   int i;
7901
7902   /* display counter to choose number of element content areas */
7903   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7904
7905   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7906   {
7907     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7908
7909     if (i < level.num_ball_contents)
7910     {
7911       MapDrawingArea(id);
7912     }
7913     else
7914     {
7915       int font_height = getFontHeight(FONT_TEXT_1);
7916
7917       UnmapDrawingArea(id);
7918
7919       /* delete content areas in case of reducing number of them */
7920       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7921                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7922                      4 * MINI_TILEX,
7923                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7924     }
7925   }
7926
7927   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
7928   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
7929   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
7930 }
7931
7932 static void DrawAndroidElementArea(int element)
7933 {
7934   int num_elements = level.num_android_clone_elements;
7935   int id = ED_DRAWING_ID_ANDROID_CONTENT;
7936   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7937   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7938   int xsize = MAX_ANDROID_ELEMENTS;
7939   int ysize = 1;
7940
7941   /* display counter to choose number of element areas */
7942   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
7943
7944   if (drawingarea_info[id].text_left != NULL)
7945     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7946
7947   UnmapDrawingArea(id);
7948
7949   ModifyEditorDrawingArea(id, num_elements, 1);
7950
7951   /* delete content areas in case of reducing number of them */
7952   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7953
7954   MapDrawingArea(id);
7955 }
7956
7957 static void DrawGroupElementArea(int element)
7958 {
7959   int num_elements = group_element_info.num_elements;
7960   int id = ED_DRAWING_ID_GROUP_CONTENT;
7961   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7962   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7963   int xsize = MAX_ELEMENTS_IN_GROUP;
7964   int ysize = 1;
7965
7966   if (drawingarea_info[id].text_left != NULL)
7967     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7968
7969   UnmapDrawingArea(id);
7970
7971   ModifyEditorDrawingArea(id, num_elements, 1);
7972
7973   /* delete content areas in case of reducing number of them */
7974   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7975
7976   MapDrawingArea(id);
7977 }
7978
7979 static void DrawPlayerInitialInventoryArea(int element)
7980 {
7981   int player_nr = GET_PLAYER_NR(element);
7982   int num_elements = level.initial_inventory_size[player_nr];
7983   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
7984   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7985   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7986   int xsize = MAX_INITIAL_INVENTORY_SIZE;
7987   int ysize = 1;
7988
7989   /* determine horizontal position to the right of specified gadget */
7990   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
7991     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
7992            ED_DRAWINGAREA_TEXT_DISTANCE);
7993
7994   /* determine horizontal offset for leading text */
7995   if (drawingarea_info[id].text_left != NULL)
7996     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7997
7998   UnmapDrawingArea(id);
7999
8000   ModifyEditorDrawingArea(id, num_elements, 1);
8001
8002   /* delete content areas in case of reducing number of them */
8003   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8004
8005   MapDrawingArea(id);
8006 }
8007
8008 static void DrawEnvelopeTextArea(int envelope_nr)
8009 {
8010   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8011   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8012
8013   UnmapGadget(gi);
8014   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8015
8016   if (envelope_nr != -1)
8017     textarea_info[id].value = level.envelope[envelope_nr].text;
8018
8019   ModifyGadget(gi, GDI_AREA_SIZE,
8020                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8021                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8022                GDI_END);
8023
8024   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8025 }
8026
8027 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8028 {
8029   int font_height = getFontHeight(font_nr);
8030   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8031   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8032   int sx = SX + pad_x;
8033   int sy = SY + pad_y;
8034   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8035
8036   if (start_line >= max_lines_per_screen)
8037     return FALSE;
8038
8039   DrawText(sx, sy + start_line * font_height, text, font_nr);
8040
8041   return TRUE;
8042 }
8043
8044 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8045 {
8046   int font_nr = FONT_TEXT_2;
8047   int font_width = getFontWidth(font_nr);
8048   int font_height = getFontHeight(font_nr);
8049   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8050   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8051   int sx = SX + pad_x;
8052   int sy = SY + pad_y + start_line * font_height;
8053   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8054   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8055
8056   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8057                       max_lines_per_screen, -1, TRUE, FALSE, FALSE);
8058 }
8059
8060 static void DrawPropertiesInfo()
8061 {
8062   static struct
8063   {
8064     int value;
8065     char *text;
8066   }
8067   properties[] =
8068   {
8069     /* configurable properties */
8070
8071     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8072     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8073     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8074     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8075     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8076     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8077     { EP_PROTECTED,             "- player is protected by it"           },
8078
8079     { EP_DIGGABLE,              "- can be digged away"                  },
8080     { EP_COLLECTIBLE,           "- can be collected"                    },
8081     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8082     { EP_THROWABLE,             "- can be thrown after collecting"      },
8083     { EP_PUSHABLE,              "- can be pushed"                       },
8084
8085     { EP_CAN_FALL,              "- can fall"                            },
8086     { EP_CAN_MOVE,              "- can move"                            },
8087
8088     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8089 #if 0
8090     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8091 #endif
8092     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8093
8094     { EP_SLIPPERY,              "- slippery for falling elements"       },
8095     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8096
8097     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8098     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8099     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8100     { EP_DONT_TOUCH,            "- deadly when touching"                },
8101
8102     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8103
8104     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8105     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8106     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8107
8108     { EP_CAN_CHANGE,            "- can change to other element"         },
8109
8110     /* pre-defined properties */
8111     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8112     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8113     { EP_SWITCHABLE,            "- can be switched"                     },
8114 #if 0
8115     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8116 #endif
8117
8118     { -1,                       NULL                                    }
8119   };
8120   char *filename = getElementDescriptionFilename(properties_element);
8121   char *percentage_text = "In this level:";
8122   char *properties_text = "Standard properties:";
8123   float percentage;
8124   int num_elements_in_level;
8125   int num_standard_properties = 0;
8126   int font1_nr = FONT_TEXT_1;
8127   int font2_nr = FONT_TEXT_2;
8128   int font1_width = getFontWidth(font1_nr);
8129   int font2_height = getFontHeight(font2_nr);
8130   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8131   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8132   int screen_line = 0;
8133   int i, x, y;
8134
8135   if (setup.editor.show_element_token)
8136   {
8137     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8138               "[%s]", element_info[properties_element].token_name);
8139     screen_line++;
8140   }
8141
8142   /* ----- print number of elements / percentage of this element in level */
8143
8144   num_elements_in_level = 0;
8145   for (y = 0; y < lev_fieldy; y++)
8146     for (x = 0; x < lev_fieldx; x++)
8147       if (Feld[x][y] == properties_element)
8148         num_elements_in_level++;
8149   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8150
8151   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8152             percentage_text);
8153   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8154             pad_y + screen_line++ * font2_height, font2_nr,
8155             "%d (%.2f%%)", num_elements_in_level, percentage);
8156
8157   screen_line++;
8158
8159   /* ----- print standard properties of this element */
8160
8161   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8162             properties_text);
8163
8164   for (i = 0; properties[i].value != -1; i++)
8165   {
8166     if (!HAS_PROPERTY(properties_element, properties[i].value))
8167       continue;
8168
8169     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8170               properties[i].text);
8171     num_standard_properties++;
8172   }
8173
8174   if (num_standard_properties == 0)
8175     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8176               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8177
8178   screen_line++;
8179
8180   /* ----- print special description of this element */
8181
8182   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8183   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8184     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8185 }
8186
8187 #define TEXT_COLLECTING         "Score for collecting"
8188 #define TEXT_SMASHING           "Score for smashing"
8189 #define TEXT_SLURPING           "Score for slurping robot"
8190 #define TEXT_CRACKING           "Score for cracking"
8191 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8192 #define TEXT_DURATION           "Duration when activated"
8193 #define TEXT_BALL_DELAY         "Element generation delay"
8194 #define TEXT_MOVE_SPEED         "Speed of android moving"
8195 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8196 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8197 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8198 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8199 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8200 #define TEXT_TIME_BONUS         "Extra time to solve level"
8201
8202 static struct
8203 {
8204   int element;
8205   int *value;
8206   char *text;
8207 } elements_with_counter[] =
8208 {
8209   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8210   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8211   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8212   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8213   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8214   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8215   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8216   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8217   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8218   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8219   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8220   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8221   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8222   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8223   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8224   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8225   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8226   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8227   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8228   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8229   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8230   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8231   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8232   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8233   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8234   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8235   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8236   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8237   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8238   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8239   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8240   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8241   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8242   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8243   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8244   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8245   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8246   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8247   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8248   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8249   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8250   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8251   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8252   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8253   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8254   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8255   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8256   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8257   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8258   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8259   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8260   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8261   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8262   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8263   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8264   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8265   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8266   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8267   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8268   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8269   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8270   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8271   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8272   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8273   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8274   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8275   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8276   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8277   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8278   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8279   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8280   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8281   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8282   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8283
8284   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8285   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8286   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8287   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8288   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8289   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8290   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8291   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8292   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8293   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8294   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8295   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8296   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8297   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8298   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8299   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8300
8301   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8302   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8303   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8304   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8305   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8306   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8307   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8308   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8309
8310   { -1,                 NULL,                           NULL            }
8311 };
8312
8313 static boolean checkPropertiesConfig(int element)
8314 {
8315   int i;
8316
8317   if (IS_GEM(element) ||
8318       IS_CUSTOM_ELEMENT(element) ||
8319       IS_GROUP_ELEMENT(element) ||
8320       IS_ENVELOPE(element) ||
8321       ELEM_IS_PLAYER(element) ||
8322       HAS_EDITOR_CONTENT(element) ||
8323       CAN_GROW(element) ||
8324       COULD_MOVE_INTO_ACID(element) ||
8325       MAYBE_DONT_COLLIDE_WITH(element) ||
8326       element == EL_SOKOBAN_OBJECT ||
8327       element == EL_SOKOBAN_FIELD_EMPTY ||
8328       element == EL_SOKOBAN_FIELD_FULL)
8329     return TRUE;
8330   else
8331     for (i = 0; elements_with_counter[i].element != -1; i++)
8332       if (elements_with_counter[i].element == element)
8333         return TRUE;
8334
8335   return FALSE;
8336 }
8337
8338 static void DrawPropertiesConfig()
8339 {
8340   int max_num_element_counters = 4;
8341   int num_element_counters = 0;
8342   int i;
8343
8344   if (!checkPropertiesConfig(properties_element))
8345   {
8346     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8347
8348     return;
8349   }
8350
8351   /* check if there are elements where a value can be chosen for */
8352   for (i = 0; elements_with_counter[i].element != -1; i++)
8353   {
8354     if (elements_with_counter[i].element == properties_element)
8355     {
8356       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8357
8358       counterbutton_info[counter_id].y =
8359         ED_ELEMENT_SETTINGS_YPOS(
8360                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8361                 (CAN_GROW(properties_element)                ? 1 : 0) +
8362                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8363                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8364                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8365                 num_element_counters);
8366
8367       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8368       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8369
8370       if (properties_element == EL_GAME_OF_LIFE ||
8371           properties_element == EL_BIOMAZE)
8372       {
8373         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8374         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8375       }
8376       else
8377       {
8378         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8379         counterbutton_info[counter_id].min_value = MIN_SCORE;
8380         counterbutton_info[counter_id].max_value = MAX_SCORE;
8381       }
8382
8383       MapCounterButtons(counter_id);
8384
8385       num_element_counters++;
8386       if (num_element_counters >= max_num_element_counters)
8387         break;
8388     }
8389   }
8390
8391   if (HAS_EDITOR_CONTENT(properties_element))
8392   {
8393     /* draw stickybutton gadget */
8394     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8395
8396     if (IS_AMOEBOID(properties_element))
8397       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8398     else if (properties_element == EL_YAMYAM ||
8399              properties_element == EL_YAMYAM_LEFT ||
8400              properties_element == EL_YAMYAM_RIGHT ||
8401              properties_element == EL_YAMYAM_UP ||
8402              properties_element == EL_YAMYAM_DOWN)
8403       DrawYamYamContentAreas();
8404     else if (properties_element == EL_EMC_MAGIC_BALL)
8405     {
8406       DrawMagicBallContentAreas();
8407
8408       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8409       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8410     }
8411     else if (properties_element == EL_EMC_ANDROID)
8412       DrawAndroidElementArea(properties_element);
8413   }
8414
8415   if (ELEM_IS_PLAYER(properties_element))
8416   {
8417     int player_nr = GET_PLAYER_NR(properties_element);
8418
8419     /* these properties can be set for every player individually */
8420
8421     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8422     {
8423       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8424         &level.start_element[player_nr];
8425       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8426         &level.artwork_element[player_nr];
8427       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8428         &level.explosion_element[player_nr];
8429
8430       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8431         &level.use_start_element[player_nr];
8432       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8433         &level.use_artwork_element[player_nr];
8434       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8435         &level.use_explosion_element[player_nr];
8436       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8437         &level.initial_player_gravity[player_nr];
8438
8439       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8440         &level.initial_player_stepsize[player_nr];
8441
8442       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8443       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8444                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8445                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8446       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8447       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8448       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8449       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8450       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8451       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8452       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8453       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8454       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8455
8456       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8457       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8458       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8459
8460       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8461     }
8462     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8463     {
8464       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8465         &level.initial_inventory_content[player_nr][0];
8466
8467       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8468         &level.initial_inventory_size[player_nr];
8469
8470       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8471         &level.use_initial_inventory[player_nr];
8472
8473       /* draw checkbutton gadgets */
8474       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8475
8476       /* draw counter gadgets */
8477       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8478
8479       /* draw drawing area gadgets */
8480       DrawPlayerInitialInventoryArea(properties_element);
8481     }
8482   }
8483
8484   if (IS_GEM(properties_element))
8485     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8486
8487   if (properties_element == EL_EM_DYNAMITE)
8488     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8489
8490   if (COULD_MOVE_INTO_ACID(properties_element) &&
8491       !ELEM_IS_PLAYER(properties_element) &&
8492       (!IS_CUSTOM_ELEMENT(properties_element) ||
8493        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8494   {
8495     /* set position for checkbutton for "can move into acid" */
8496     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8497       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8498     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8499       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8500                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8501
8502     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8503   }
8504
8505   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8506     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8507
8508   if (properties_element == EL_SPRING)
8509     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8510
8511   if (properties_element == EL_TIME_ORB_FULL)
8512     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8513
8514   if (CAN_GROW(properties_element))
8515   {
8516     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8517       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8518
8519     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8520   }
8521
8522   if (properties_element == EL_SOKOBAN_OBJECT ||
8523       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8524       properties_element == EL_SOKOBAN_FIELD_FULL)
8525     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8526
8527   if (IS_ENVELOPE(properties_element))
8528   {
8529     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8530     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8531     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8532     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8533     int envelope_nr = properties_element - EL_ENVELOPE_1;
8534
8535     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8536     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8537
8538     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8539     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8540
8541     /* display counter to choose size of envelope text area */
8542     MapCounterButtons(counter1_id);
8543     MapCounterButtons(counter2_id);
8544
8545     /* display checkbuttons to choose auto-wrap and alignment properties */
8546     MapCheckbuttonGadget(button1_id);
8547     MapCheckbuttonGadget(button2_id);
8548
8549     DrawEnvelopeTextArea(envelope_nr);
8550   }
8551
8552   if (IS_CUSTOM_ELEMENT(properties_element))
8553   {
8554     /* draw stickybutton gadget */
8555     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8556
8557     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8558     {
8559       /* draw checkbutton gadgets */
8560       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8561            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8562         MapCheckbuttonGadget(i);
8563
8564       /* draw counter gadgets */
8565       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8566            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8567         MapCounterButtons(i);
8568
8569       /* draw selectbox gadgets */
8570       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8571            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8572         MapSelectboxGadget(i);
8573
8574       /* draw textbutton gadgets */
8575       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8576
8577       /* draw text input gadgets */
8578       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8579
8580       /* draw drawing area gadgets */
8581       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8582     }
8583     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8584     {
8585       /* draw checkbutton gadgets */
8586       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8587            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8588         MapCheckbuttonGadget(i);
8589
8590       /* draw counter gadgets */
8591       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8592            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8593         MapCounterButtons(i);
8594
8595       /* draw selectbox gadgets */
8596       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8597            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8598         MapSelectboxGadget(i);
8599
8600       /* draw drawing area gadgets */
8601       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8602       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8603       DrawCustomContentArea();
8604     }
8605   }
8606   else if (IS_GROUP_ELEMENT(properties_element))
8607   {
8608     /* draw stickybutton gadget */
8609     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8610
8611     /* draw checkbutton gadgets */
8612     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8613     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8614
8615     /* draw counter gadgets */
8616     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8617
8618     /* draw selectbox gadgets */
8619     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8620
8621     /* draw textbutton gadgets */
8622     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8623
8624     /* draw drawing area gadgets */
8625     DrawGroupElementArea(properties_element);
8626
8627     /* draw text input gadgets */
8628     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8629
8630     /* draw drawing area gadgets */
8631     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8632   }
8633 }
8634
8635 static void DrawPropertiesChangeDrawingAreas()
8636 {
8637   if (IS_CUSTOM_ELEMENT(properties_element))
8638   {
8639     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8640     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8641     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8642
8643     DrawCustomChangeContentArea();
8644   }
8645
8646   redraw_mask |= REDRAW_FIELD;
8647 }
8648
8649 static void DrawPropertiesChange()
8650 {
8651   int i;
8652
8653   /* needed to initially set selectbox options for special action options */
8654   setSelectboxSpecialActionOptions();
8655
8656   /* draw stickybutton gadget */
8657   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8658
8659   /* draw checkbutton gadgets */
8660   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8661        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8662     MapCheckbuttonGadget(i);
8663
8664   /* draw counter gadgets */
8665   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8666        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8667     MapCounterButtons(i);
8668
8669   /* draw selectbox gadgets */
8670   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8671        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8672     MapSelectboxGadget(i);
8673
8674   /* draw textbutton gadgets */
8675   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8676        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8677     MapTextbuttonGadget(i);
8678
8679   /* draw graphicbutton gadgets */
8680   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8681        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8682     MapGraphicbuttonGadget(i);
8683
8684   /* draw drawing area gadgets */
8685   DrawPropertiesChangeDrawingAreas();
8686 }
8687
8688 static void DrawEditorElementAnimation(int x, int y)
8689 {
8690   int graphic = el2img(properties_element);
8691   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8692                custom_element.ce_value_fixed_initial :
8693                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8694                custom_element.collect_score_initial : FrameCounter);
8695
8696   DrawGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8697 }
8698
8699 static void DrawEditorElementName(int x, int y, int element)
8700 {
8701   char *element_name = getElementInfoText(element);
8702   int font_nr = FONT_TEXT_1;
8703   int font_width = getFontWidth(font_nr);
8704   int font_height = getFontHeight(font_nr);
8705   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8706   int max_chars_per_line = max_text_width / font_width;
8707   char buffer[max_chars_per_line + 1];
8708
8709   if (strlen(element_name) <= max_chars_per_line)
8710     DrawTextS(x, y, font_nr, element_name);
8711   else
8712   {
8713     int next_pos = max_chars_per_line;
8714
8715     strncpy(buffer, element_name, max_chars_per_line);
8716     buffer[max_chars_per_line] = '\0';
8717
8718     if (element_name[max_chars_per_line] == ' ')
8719       next_pos++;
8720     else
8721     {
8722       int i;
8723
8724       for (i = max_chars_per_line - 1; i >= 0; i--)
8725         if (buffer[i] == ' ')
8726           break;
8727
8728       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8729       {
8730         buffer[i] = '\0';
8731         next_pos = i + 1;
8732       }
8733     }
8734
8735     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8736
8737     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8738     buffer[max_chars_per_line] = '\0';
8739
8740     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8741   }
8742 }
8743
8744 static void DrawPropertiesWindow()
8745 {
8746   int xstart = 2;
8747   int ystart = 4;
8748
8749   stick_element_properties_window = FALSE;
8750
8751   /* make sure that previous properties edit mode exists for this element */
8752   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8753       !IS_CUSTOM_ELEMENT(properties_element))
8754     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8755
8756   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8757       !ELEM_IS_PLAYER(properties_element) &&
8758       !IS_CUSTOM_ELEMENT(properties_element))
8759     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8760
8761   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8762       (ELEM_IS_PLAYER(properties_element) ||
8763        IS_CUSTOM_ELEMENT(properties_element)))
8764     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8765
8766   CopyElementPropertiesToEditor(properties_element);
8767
8768   UnmapLevelEditorWindowGadgets();
8769   UnmapLevelEditorToolboxDrawingGadgets();
8770   UnmapLevelEditorToolboxCustomGadgets();
8771
8772   if (IS_CUSTOM_ELEMENT(properties_element) ||
8773       IS_GROUP_ELEMENT(properties_element))
8774     MapLevelEditorToolboxCustomGadgets();
8775
8776   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8777   ClearField();
8778
8779 #if 1
8780   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8781 #else
8782   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
8783            "Element Settings", FONT_TITLE_1);
8784 #endif
8785
8786   FrameCounter = 0;     /* restart animation frame counter */
8787
8788   DrawElementBorder(SX + xstart * MINI_TILEX,
8789                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8790                     TILEX, TILEY, FALSE);
8791
8792   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8793                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8794
8795   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8796                         (ystart + 1) * MINI_TILEY + 1,
8797                         properties_element);
8798
8799   DrawPropertiesTabulatorGadgets();
8800
8801   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8802     DrawPropertiesInfo();
8803   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8804     DrawPropertiesChange();
8805   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8806     DrawPropertiesConfig();
8807 }
8808
8809 static void UpdateCustomElementGraphicGadgets()
8810 {
8811   struct ElementInfo *ei = &element_info[properties_element];
8812   int i;
8813
8814   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8815                      properties_element);
8816
8817   ModifyEditorElementList();
8818   RedrawDrawingElements();
8819
8820   /* force redraw of all mapped drawing area gadgets */
8821   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8822   {
8823     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8824
8825     if (gi->mapped)
8826       MapDrawingArea(i);
8827   }
8828 }
8829
8830 static int getOpenDirectionFromTube(int element)
8831 {
8832   switch (element)
8833   {
8834     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8835     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8836     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8837     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8838     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8839     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8840     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8841     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8842     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8843     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8844     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8845   }
8846
8847   return MV_NONE;
8848 }
8849
8850 static int getTubeFromOpenDirection(int direction)
8851 {
8852   switch (direction)
8853   {
8854     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8855     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8856     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8857     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8858     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8859     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8860     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8861     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8862     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8863     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8864     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8865
8866     /* if only one direction, fall back to simple tube with that direction */
8867     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8868     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8869     case (MV_UP):                       return EL_TUBE_VERTICAL;
8870     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8871   }
8872
8873   return EL_EMPTY;
8874 }
8875
8876 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8877 {
8878   int element_new = getTubeFromOpenDirection(direction);
8879
8880   return (element_new != EL_EMPTY ? element_new : element_old);
8881 }
8882
8883 static int getOpenDirectionFromBelt(int element)
8884 {
8885   int belt_dir = getBeltDirFromBeltElement(element);
8886
8887   return (belt_dir == MV_LEFT ? MV_RIGHT :
8888           belt_dir == MV_RIGHT ? MV_LEFT :
8889           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8890 }
8891
8892 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8893 {
8894   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8895                   direction == MV_RIGHT ? MV_LEFT :
8896                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8897
8898   if (direction == MV_NONE)
8899     return EL_EMPTY;
8900
8901   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8902 }
8903
8904 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8905                                                  int element_old)
8906 {
8907   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8908
8909   return (element_new != EL_EMPTY ? element_new : element_old);
8910 }
8911
8912 static int getOpenDirectionFromPool(int element)
8913 {
8914   switch (element)
8915   {
8916     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
8917     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
8918     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
8919     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
8920     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
8921     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
8922   }
8923
8924   return MV_NONE;
8925 }
8926
8927 static int getPoolFromOpenDirection(int direction)
8928 {
8929   switch (direction)
8930   {
8931     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
8932     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
8933     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
8934     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
8935     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
8936     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
8937   }
8938
8939   return EL_EMPTY;
8940 }
8941
8942 static int getPoolFromOpenDirectionExt(int direction, int help_element)
8943 {
8944   int element = getPoolFromOpenDirection(direction);
8945   int help_direction = getOpenDirectionFromPool(help_element);
8946
8947   if (element == EL_EMPTY)
8948   {
8949     int help_direction_vertical = help_direction & MV_VERTICAL;
8950
8951     element = getPoolFromOpenDirection(direction | help_direction_vertical);
8952   }
8953
8954   if (element == EL_EMPTY)
8955   {
8956     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
8957
8958     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
8959   }
8960
8961   return element;
8962 }
8963
8964 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
8965 {
8966   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
8967
8968   return (element_new != EL_EMPTY ? element_new : element_old);
8969 }
8970
8971 static int getOpenDirectionFromPillar(int element)
8972 {
8973   switch (element)
8974   {
8975     case EL_EMC_WALL_1:                 return (MV_DOWN);
8976     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
8977     case EL_EMC_WALL_3:                 return (MV_UP);
8978   }
8979
8980   return MV_NONE;
8981 }
8982
8983 static int getPillarFromOpenDirection(int direction)
8984 {
8985   switch (direction)
8986   {
8987     case (MV_DOWN):                     return EL_EMC_WALL_1;
8988     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
8989     case (MV_UP):                       return EL_EMC_WALL_3;
8990   }
8991
8992   return EL_EMPTY;
8993 }
8994
8995 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
8996 {
8997   int element_new = getPillarFromOpenDirection(direction);
8998
8999   return (element_new != EL_EMPTY ? element_new : element_old);
9000 }
9001
9002 static int getOpenDirectionFromSteel2(int element)
9003 {
9004   switch (element)
9005   {
9006     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9007     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9008     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9009     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9010     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9011     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9012     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9013     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9014   }
9015
9016   return MV_NONE;
9017 }
9018
9019 static int getSteel2FromOpenDirection(int direction)
9020 {
9021   switch (direction)
9022   {
9023     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9024     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9025     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9026     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9027     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9028     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9029     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9030     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9031   }
9032
9033   return EL_EMPTY;
9034 }
9035
9036 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9037 {
9038   int element_new = getSteel2FromOpenDirection(direction);
9039
9040   return (element_new != EL_EMPTY ? element_new : element_old);
9041 }
9042
9043 static int getOpenDirectionFromChip(int element)
9044 {
9045   switch (element)
9046   {
9047     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9048     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9049     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9050     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9051     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9052   }
9053
9054   return MV_NONE;
9055 }
9056
9057 static int getChipFromOpenDirection(int direction)
9058 {
9059   switch (direction)
9060   {
9061     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9062     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9063     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9064     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9065     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9066   }
9067
9068   return EL_EMPTY;
9069 }
9070
9071 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9072 {
9073   int element_new = getChipFromOpenDirection(direction);
9074
9075   return (element_new != EL_EMPTY ? element_new : element_old);
9076 }
9077
9078 static int getClosedTube(int x, int y)
9079 {
9080   static int xy[4][2] =
9081   {
9082     { -1, 0 },
9083     { +1, 0 },
9084     { 0, -1 },
9085     { 0, +1 }
9086   };
9087   int element_old = IntelliDrawBuffer[x][y];
9088   int direction_old = getOpenDirectionFromTube(element_old);
9089   int direction_new = MV_NONE;
9090   int i;
9091
9092   for (i = 0; i < NUM_DIRECTIONS; i++)
9093   {
9094     int xx = x + xy[i][0];
9095     int yy = y + xy[i][1];
9096     int dir = MV_DIR_FROM_BIT(i);
9097     int dir_opposite = MV_DIR_OPPOSITE(dir);
9098
9099     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9100         (direction_old & dir) &&
9101         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9102       direction_new |= dir;
9103   }
9104
9105   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9106 }
9107
9108 static int getClosedBelt(int x, int y)
9109 {
9110   static int xy[4][2] =
9111   {
9112     { -1, 0 },
9113     { +1, 0 },
9114     { 0, -1 },
9115     { 0, +1 }
9116   };
9117   int element_old = IntelliDrawBuffer[x][y];
9118   int nr = getBeltNrFromBeltElement(element_old);
9119   int direction_old = getOpenDirectionFromBelt(element_old);
9120   int direction_new = MV_NONE;
9121   int i;
9122
9123   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9124   {
9125     int xx = x + xy[i][0];
9126     int yy = y + xy[i][1];
9127     int dir = MV_DIR_FROM_BIT(i);
9128     int dir_opposite = MV_DIR_OPPOSITE(dir);
9129
9130     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9131         (direction_old & dir) &&
9132         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9133       direction_new |= dir;
9134   }
9135
9136   return getBeltFromNrAndOpenDirection(nr, direction_new);
9137 }
9138
9139 static int getClosedPool(int x, int y)
9140 {
9141   static int xy[4][2] =
9142   {
9143     { -1, 0 },
9144     { +1, 0 },
9145     { 0, -1 },
9146     { 0, +1 }
9147   };
9148   int element_old = IntelliDrawBuffer[x][y];
9149   int direction_old = getOpenDirectionFromPool(element_old);
9150   int direction_new = MV_NONE;
9151   int i;
9152
9153   for (i = 0; i < NUM_DIRECTIONS; i++)
9154   {
9155     int xx = x + xy[i][0];
9156     int yy = y + xy[i][1];
9157     int dir = MV_DIR_FROM_BIT(i);
9158     int dir_opposite = MV_DIR_OPPOSITE(dir);
9159
9160     if (IN_LEV_FIELD(xx, yy) &&
9161         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9162         (direction_old & dir) &&
9163         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9164       direction_new |= dir;
9165   }
9166
9167   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9168 }
9169
9170 static int getClosedPillar(int x, int y)
9171 {
9172   static int xy[4][2] =
9173   {
9174     { -1, 0 },
9175     { +1, 0 },
9176     { 0, -1 },
9177     { 0, +1 }
9178   };
9179   int element_old = IntelliDrawBuffer[x][y];
9180   int direction_old = getOpenDirectionFromPillar(element_old);
9181   int direction_new = MV_NONE;
9182   int i;
9183
9184   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9185   {
9186     int xx = x + xy[i][0];
9187     int yy = y + xy[i][1];
9188     int dir = MV_DIR_FROM_BIT(i);
9189     int dir_opposite = MV_DIR_OPPOSITE(dir);
9190
9191     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9192         (direction_old & dir) &&
9193         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9194       direction_new |= dir;
9195   }
9196
9197   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9198 }
9199
9200 static int getClosedSteel2(int x, int y)
9201 {
9202   static int xy[4][2] =
9203   {
9204     { -1, 0 },
9205     { +1, 0 },
9206     { 0, -1 },
9207     { 0, +1 }
9208   };
9209   int element_old = IntelliDrawBuffer[x][y];
9210   int direction_old = getOpenDirectionFromSteel2(element_old);
9211   int direction_new = MV_NONE;
9212   int i;
9213
9214   for (i = 0; i < NUM_DIRECTIONS; i++)
9215   {
9216     int xx = x + xy[i][0];
9217     int yy = y + xy[i][1];
9218     int dir = MV_DIR_FROM_BIT(i);
9219     int dir_opposite = MV_DIR_OPPOSITE(dir);
9220
9221     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9222         (direction_old & dir) &&
9223         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9224       direction_new |= dir;
9225   }
9226
9227   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9228 }
9229
9230 static int getClosedChip(int x, int y)
9231 {
9232   static int xy[4][2] =
9233   {
9234     { -1, 0 },
9235     { +1, 0 },
9236     { 0, -1 },
9237     { 0, +1 }
9238   };
9239   int element_old = IntelliDrawBuffer[x][y];
9240   int direction_old = getOpenDirectionFromChip(element_old);
9241   int direction_new = MV_NONE;
9242   int i;
9243
9244   for (i = 0; i < NUM_DIRECTIONS; i++)
9245   {
9246     int xx = x + xy[i][0];
9247     int yy = y + xy[i][1];
9248     int dir = MV_DIR_FROM_BIT(i);
9249     int dir_opposite = MV_DIR_OPPOSITE(dir);
9250
9251     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9252         (direction_old & dir) &&
9253         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9254       direction_new |= dir;
9255   }
9256
9257   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9258 }
9259
9260 static void SetElementSimple(int x, int y, int element, boolean change_level)
9261 {
9262   int sx = x - level_xpos;
9263   int sy = y - level_ypos;
9264
9265   IntelliDrawBuffer[x][y] = element;
9266
9267   if (change_level)
9268     Feld[x][y] = element;
9269
9270   if (IN_ED_FIELD(sx, sy))
9271     DrawMiniElement(sx, sy, element);
9272 }
9273
9274 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9275                                            int x2, int y2, int *element2,
9276                                            int (*close_function)(int, int),
9277                                            boolean change_level)
9278 {
9279   /* set neighbour elements to newly determined connections */
9280   SetElementSimple(x1, y1, *element1, change_level);
9281   SetElementSimple(x2, y2, *element2, change_level);
9282
9283   /* remove all open connections of neighbour elements */
9284   *element1 = close_function(x1, y1);
9285   *element2 = close_function(x2, y2);
9286
9287   /* set neighbour elements to new, minimized connections */
9288   SetElementSimple(x1, y1, *element1, change_level);
9289   SetElementSimple(x2, y2, *element2, change_level);
9290 }
9291
9292 static void SetElementIntelliDraw(int x, int y, int new_element,
9293                                   boolean change_level, int button)
9294 {
9295   static int xy[4][2] =
9296   {
9297     { -1, 0 },
9298     { +1, 0 },
9299     { 0, -1 },
9300     { 0, +1 }
9301   };
9302   static int last_x = -1;
9303   static int last_y = -1;
9304   int old_element = IntelliDrawBuffer[x][y];
9305
9306   if (new_element == EL_UNDEFINED)
9307   {
9308     last_x = -1;
9309     last_y = -1;
9310
9311     return;
9312   }
9313
9314   if (IS_TUBE(new_element))
9315   {
9316     int last_element_new = EL_UNDEFINED;
9317     int direction = MV_NONE;
9318     int i;
9319
9320     /* if old element is of same kind, keep all existing directions */
9321     if (IS_TUBE(old_element))
9322       direction |= getOpenDirectionFromTube(old_element);
9323
9324     for (i = 0; i < NUM_DIRECTIONS; i++)
9325     {
9326       int xx = x + xy[i][0];
9327       int yy = y + xy[i][1];
9328
9329       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9330           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9331       {
9332         int dir = MV_DIR_FROM_BIT(i);
9333         int dir_opposite = MV_DIR_OPPOSITE(dir);
9334         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9335         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9336         int last_direction_new = last_direction_old | dir_opposite;
9337
9338         last_element_new = getTubeFromOpenDirection(last_direction_new);
9339
9340         direction |= dir;
9341       }
9342     }
9343
9344     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9345
9346     if (last_element_new != EL_UNDEFINED)
9347       MergeAndCloseNeighbourElements(x, y, &new_element,
9348                                      last_x, last_y, &last_element_new,
9349                                      getClosedTube, change_level);
9350   }
9351   else if (IS_BELT(new_element))
9352   {
9353     int belt_nr = getBeltNrFromBeltElement(new_element);
9354     int last_element_new = EL_UNDEFINED;
9355     int direction = MV_NONE;
9356     int i;
9357
9358     /* if old element is of same kind, keep all existing directions */
9359     if (IS_BELT(old_element))
9360       direction |= getOpenDirectionFromBelt(old_element);
9361
9362     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9363     {
9364       int xx = x + xy[i][0];
9365       int yy = y + xy[i][1];
9366
9367       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9368           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9369       {
9370         int dir = MV_DIR_FROM_BIT(i);
9371         int dir_opposite = MV_DIR_OPPOSITE(dir);
9372         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9373         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9374         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9375         int last_direction_new = last_direction_old | dir_opposite;
9376
9377         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9378                                                          last_direction_new);
9379         direction |= dir;
9380       }
9381     }
9382
9383     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9384                                                         new_element);
9385     if (last_element_new != EL_UNDEFINED)
9386       MergeAndCloseNeighbourElements(x, y, &new_element,
9387                                      last_x, last_y, &last_element_new,
9388                                      getClosedBelt, change_level);
9389   }
9390   else if (IS_ACID_POOL_OR_ACID(new_element))
9391   {
9392     int last_element_new = EL_UNDEFINED;
9393     int direction = MV_NONE;
9394     int i;
9395
9396     /* if old element is of same kind, keep all existing directions */
9397     if (IS_ACID_POOL_OR_ACID(old_element))
9398       direction |= getOpenDirectionFromPool(old_element);
9399
9400     for (i = 0; i < NUM_DIRECTIONS; i++)
9401     {
9402       int xx = x + xy[i][0];
9403       int yy = y + xy[i][1];
9404
9405       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9406           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9407       {
9408         int dir = MV_DIR_FROM_BIT(i);
9409         int dir_opposite = MV_DIR_OPPOSITE(dir);
9410         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9411         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9412         int last_direction_new = last_direction_old | dir_opposite;
9413
9414         last_element_new = getPoolFromOpenDirection(last_direction_new);
9415
9416         direction |= dir;
9417       }
9418     }
9419
9420     /* special corrections needed for intuitively correct acid pool drawing */
9421     if (last_element_new == EL_EMPTY)
9422       last_element_new = new_element;
9423     else if (last_element_new != EL_UNDEFINED)
9424       new_element = last_element_new;
9425
9426     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9427
9428     if (last_element_new != EL_UNDEFINED)
9429       MergeAndCloseNeighbourElements(x, y, &new_element,
9430                                      last_x, last_y, &last_element_new,
9431                                      getClosedPool, change_level);
9432   }
9433   else if (IS_EMC_PILLAR(new_element))
9434   {
9435     int last_element_new = EL_UNDEFINED;
9436     int direction = MV_NONE;
9437     int i;
9438
9439     /* if old element is of same kind, keep all existing directions */
9440     if (IS_EMC_PILLAR(old_element))
9441       direction |= getOpenDirectionFromPillar(old_element);
9442
9443     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9444     {
9445       int xx = x + xy[i][0];
9446       int yy = y + xy[i][1];
9447
9448       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9449           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9450       {
9451         int dir = MV_DIR_FROM_BIT(i);
9452         int dir_opposite = MV_DIR_OPPOSITE(dir);
9453         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9454         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9455         int last_direction_new = last_direction_old | dir_opposite;
9456
9457         last_element_new = getPillarFromOpenDirection(last_direction_new);
9458
9459         direction |= dir;
9460       }
9461     }
9462
9463     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9464
9465     if (last_element_new != EL_UNDEFINED)
9466       MergeAndCloseNeighbourElements(x, y, &new_element,
9467                                      last_x, last_y, &last_element_new,
9468                                      getClosedPillar, change_level);
9469   }
9470   else if (IS_DC_STEELWALL_2(new_element))
9471   {
9472     int last_element_new = EL_UNDEFINED;
9473     int direction = MV_NONE;
9474     int i;
9475
9476     /* if old element is of same kind, keep all existing directions */
9477     if (IS_DC_STEELWALL_2(old_element))
9478       direction |= getOpenDirectionFromSteel2(old_element);
9479
9480     for (i = 0; i < NUM_DIRECTIONS; i++)
9481     {
9482       int xx = x + xy[i][0];
9483       int yy = y + xy[i][1];
9484
9485       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9486           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9487       {
9488         int dir = MV_DIR_FROM_BIT(i);
9489         int dir_opposite = MV_DIR_OPPOSITE(dir);
9490         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9491         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9492         int last_direction_new = last_direction_old | dir_opposite;
9493
9494         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9495
9496         direction |= dir;
9497       }
9498     }
9499
9500     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9501
9502     if (last_element_new != EL_UNDEFINED)
9503       MergeAndCloseNeighbourElements(x, y, &new_element,
9504                                      last_x, last_y, &last_element_new,
9505                                      getClosedSteel2, change_level);
9506   }
9507   else if (IS_SP_CHIP(new_element))
9508   {
9509     int last_element_new = EL_UNDEFINED;
9510     int direction = MV_NONE;
9511     int i;
9512
9513     /* (do not keep existing directions, regardless of kind of old element) */
9514
9515     for (i = 0; i < NUM_DIRECTIONS; i++)
9516     {
9517       int xx = x + xy[i][0];
9518       int yy = y + xy[i][1];
9519
9520       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9521           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9522       {
9523         int dir = MV_DIR_FROM_BIT(i);
9524         int dir_opposite = MV_DIR_OPPOSITE(dir);
9525         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9526         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9527         int last_direction_new = last_direction_old | dir_opposite;
9528
9529         if (last_direction_old == MV_NONE)
9530         {
9531           last_element_new = getChipFromOpenDirection(last_direction_new);
9532           direction |= dir;
9533         }
9534         else if (last_direction_old & (dir | dir_opposite))
9535         {
9536           direction |= MV_DIR_OPPOSITE(last_direction_old);
9537         }
9538         else
9539         {
9540           direction |= MV_DIR_OPPOSITE(dir);
9541         }
9542       }
9543     }
9544
9545     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9546
9547     if (last_element_new != EL_UNDEFINED)
9548       MergeAndCloseNeighbourElements(x, y, &new_element,
9549                                      last_x, last_y, &last_element_new,
9550                                      getClosedChip, change_level);
9551   }
9552   else if (IS_SP_HARDWARE_BASE(new_element))
9553   {
9554     int nr = GetSimpleRandom(6);
9555
9556     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9557                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9558                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9559                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9560                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9561   }
9562   else if (new_element == EL_SP_HARDWARE_GREEN ||
9563            new_element == EL_SP_HARDWARE_BLUE ||
9564            new_element == EL_SP_HARDWARE_RED)
9565   {
9566     int nr = GetSimpleRandom(3);
9567
9568     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9569                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9570   }
9571   else if (IS_GROUP_ELEMENT(new_element))
9572   {
9573     boolean connected_drawing = FALSE;
9574     int i;
9575
9576     for (i = 0; i < NUM_DIRECTIONS; i++)
9577     {
9578       int xx = x + xy[i][0];
9579       int yy = y + xy[i][1];
9580
9581       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9582           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9583         connected_drawing = TRUE;
9584     }
9585
9586     if (!connected_drawing)
9587       ResolveGroupElement(new_element);
9588
9589     new_element = GetElementFromGroupElement(new_element);
9590   }
9591   else if (IS_BELT_SWITCH(old_element))
9592   {
9593     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9594     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9595
9596     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9597                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9598
9599     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9600   }
9601   else
9602   {
9603     static int swappable_elements[][2] =
9604     {
9605       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9606       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9607       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9608       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9609       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9610       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9611       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9612       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9613       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9614       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9615       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9616       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9617       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9618       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9619       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9620       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9621       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9622       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9623       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9624       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9625       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9626       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9627       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9628       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9629       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9630       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9631       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9632       { EL_PEARL,                       EL_WALL_PEARL                   },
9633       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9634       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9635       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9636       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9637       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9638       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9639       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9640       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9641       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9642       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9643       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9644       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9645
9646       { -1,                             -1                              },
9647     };
9648     static int rotatable_elements[][4] =
9649     {
9650       {
9651         EL_BUG_UP,
9652         EL_BUG_RIGHT,
9653         EL_BUG_DOWN,
9654         EL_BUG_LEFT
9655       },
9656
9657       {
9658         EL_SPACESHIP_UP,
9659         EL_SPACESHIP_RIGHT,
9660         EL_SPACESHIP_DOWN,
9661         EL_SPACESHIP_LEFT
9662       },
9663
9664       {
9665         EL_BD_BUTTERFLY_UP,
9666         EL_BD_BUTTERFLY_RIGHT,
9667         EL_BD_BUTTERFLY_DOWN,
9668         EL_BD_BUTTERFLY_LEFT
9669       },
9670
9671       {
9672         EL_BD_FIREFLY_UP,
9673         EL_BD_FIREFLY_RIGHT,
9674         EL_BD_FIREFLY_DOWN,
9675         EL_BD_FIREFLY_LEFT
9676       },
9677
9678       {
9679         EL_PACMAN_UP,
9680         EL_PACMAN_RIGHT,
9681         EL_PACMAN_DOWN,
9682         EL_PACMAN_LEFT
9683       },
9684
9685       {
9686         EL_YAMYAM_UP,
9687         EL_YAMYAM_RIGHT,
9688         EL_YAMYAM_DOWN,
9689         EL_YAMYAM_LEFT
9690       },
9691
9692       {
9693         EL_ARROW_UP,
9694         EL_ARROW_RIGHT,
9695         EL_ARROW_DOWN,
9696         EL_ARROW_LEFT
9697       },
9698
9699       {
9700         EL_SP_PORT_UP,
9701         EL_SP_PORT_RIGHT,
9702         EL_SP_PORT_DOWN,
9703         EL_SP_PORT_LEFT
9704       },
9705
9706       {
9707         EL_SP_GRAVITY_PORT_UP,
9708         EL_SP_GRAVITY_PORT_RIGHT,
9709         EL_SP_GRAVITY_PORT_DOWN,
9710         EL_SP_GRAVITY_PORT_LEFT
9711       },
9712
9713       {
9714         EL_SP_GRAVITY_ON_PORT_UP,
9715         EL_SP_GRAVITY_ON_PORT_RIGHT,
9716         EL_SP_GRAVITY_ON_PORT_DOWN,
9717         EL_SP_GRAVITY_ON_PORT_LEFT
9718       },
9719
9720       {
9721         EL_SP_GRAVITY_OFF_PORT_UP,
9722         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9723         EL_SP_GRAVITY_OFF_PORT_DOWN,
9724         EL_SP_GRAVITY_OFF_PORT_LEFT
9725       },
9726
9727       {
9728         EL_MOLE_UP,
9729         EL_MOLE_RIGHT,
9730         EL_MOLE_DOWN,
9731         EL_MOLE_LEFT
9732       },
9733
9734       {
9735         EL_BALLOON_SWITCH_UP,
9736         EL_BALLOON_SWITCH_RIGHT,
9737         EL_BALLOON_SWITCH_DOWN,
9738         EL_BALLOON_SWITCH_LEFT
9739       },
9740
9741       {
9742         -1,
9743         -1,
9744         -1,
9745         -1,
9746       },
9747     };
9748     int i, j;
9749
9750     for (i = 0; swappable_elements[i][0] != -1; i++)
9751     {
9752       int element1 = swappable_elements[i][0];
9753       int element2 = swappable_elements[i][1];
9754
9755       if (old_element == element1 || old_element == element2)
9756         new_element = (old_element == element1 ? element2 : element1);
9757     }
9758
9759     for (i = 0; rotatable_elements[i][0] != -1; i++)
9760     {
9761       for (j = 0; j < 4; j++)
9762       {
9763         int element = rotatable_elements[i][j];
9764
9765         if (old_element == element)
9766           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9767                          button == 2 ? rotatable_elements[i][0]           :
9768                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9769                          old_element);
9770       }
9771     }
9772   }
9773
9774   SetElementSimple(x, y, new_element, change_level);
9775
9776   last_x = x;
9777   last_y = y;
9778 }
9779
9780 static void ResetIntelliDraw()
9781 {
9782   int x, y;
9783
9784   for (x = 0; x < lev_fieldx; x++)
9785     for (y = 0; y < lev_fieldy; y++)
9786       IntelliDrawBuffer[x][y] = Feld[x][y];
9787
9788   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9789 }
9790
9791 static void SetElementExt(int x, int y, int element, boolean change_level,
9792                           int button)
9793 {
9794   if (element < 0)
9795     SetElementSimple(x, y, Feld[x][y], change_level);
9796   else if (GetKeyModState() & KMOD_Shift)
9797     SetElementIntelliDraw(x, y, element, change_level, button);
9798   else
9799     SetElementSimple(x, y, element, change_level);
9800 }
9801
9802 static void SetElement(int x, int y, int element)
9803 {
9804   SetElementExt(x, y, element, TRUE, -1);
9805 }
9806
9807 static void SetElementButton(int x, int y, int element, int button)
9808 {
9809   SetElementExt(x, y, element, TRUE, button);
9810 }
9811
9812 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9813 {
9814   int lx = sx + level_xpos;
9815   int ly = sy + level_ypos;
9816
9817   SetElementExt(lx, ly, element, change_level, -1);
9818 }
9819
9820 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9821                      int element, boolean change_level)
9822 {
9823   int xsize = ABS(to_x - from_x);
9824   int ysize = ABS(to_y - from_y);
9825   int dx = (to_x < from_x ? -1 : +1);
9826   int dy = (to_y < from_y ? -1 : +1);
9827   int i;
9828
9829   if (from_y == to_y)                   /* horizontal line */
9830   {
9831     for (i = 0; i <= xsize; i++)
9832       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9833   }
9834   else if (from_x == to_x)              /* vertical line */
9835   {
9836     for (i = 0; i <= ysize; i++)
9837       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9838   }
9839   else                                  /* diagonal line */
9840   {
9841     if (ysize < xsize)                  /* a < 1 */
9842     {
9843       float a = (float)ysize / (float)xsize;
9844
9845       for (i = 0; i <= xsize; i++)
9846       {
9847         int x = dx * i;
9848         int y = dy * (int)(a * i + 0.5);
9849
9850         DrawLineElement(from_x + x, from_y + y, element, change_level);
9851       }
9852     }
9853     else                                /* a >= 1 */
9854     {
9855       float a = (float)xsize / (float)ysize;
9856
9857       for (i = 0; i <= ysize; i++)
9858       {
9859         int x = dx * (int)(a * i + 0.5);
9860         int y = dy * i;
9861
9862         DrawLineElement(from_x + x, from_y + y, element, change_level);
9863       }
9864     }
9865   }
9866 }
9867
9868 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9869                     int element, boolean change_level)
9870 {
9871   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9872   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9873   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9874   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9875 }
9876
9877 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9878                           int element, boolean change_level)
9879 {
9880   int y;
9881
9882   if (from_y > to_y)
9883     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9884
9885   for (y = from_y; y <= to_y; y++)
9886     DrawLine(from_x, y, to_x, y, element, change_level);
9887 }
9888
9889 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9890                        int element, boolean change_level)
9891 {
9892   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9893   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9894   int len_x = ABS(to_x - from_x);
9895   int len_y = ABS(to_y - from_y);
9896   int radius, x, y;
9897
9898   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9899
9900   /* not optimal (some points get drawn twice) but simple,
9901      and fast enough for the few points we are drawing */
9902
9903   for (x = 0; x <= radius; x++)
9904   {
9905     int sx, sy, lx, ly;
9906
9907     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9908
9909     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9910     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9911     lx = sx + level_xpos;
9912     ly = sy + level_ypos;
9913
9914     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9915       DrawLineElement(sx, sy, element, change_level);
9916   }
9917
9918   for (y = 0; y <= radius; y++)
9919   {
9920     int sx, sy, lx, ly;
9921
9922     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
9923
9924     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9925     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9926     lx = sx + level_xpos;
9927     ly = sy + level_ypos;
9928
9929     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9930       DrawLineElement(sx, sy, element, change_level);
9931   }
9932 }
9933
9934 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
9935                     int element, boolean change_level)
9936 {
9937   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9938   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9939
9940   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9941 }
9942
9943 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
9944
9945 #if DRAW_CIRCLES_BUTTON_AVAILABLE
9946 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
9947                        int element, boolean change_level)
9948 {
9949   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9950   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9951   int mirror_to_x2 = from_x - (to_x2 - from_x);
9952   int mirror_to_y2 = from_y - (to_y2 - from_y);
9953
9954   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9955   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
9956   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
9957   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
9958 }
9959 #endif
9960
9961 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
9962 {
9963   int from_sx, from_sy;
9964   int to_sx, to_sy;
9965
9966   if (from_x > to_x)
9967     swap_numbers(&from_x, &to_x);
9968
9969   if (from_y > to_y)
9970     swap_numbers(&from_y, &to_y);
9971
9972   from_sx = SX + from_x * MINI_TILEX;
9973   from_sy = SY + from_y * MINI_TILEY;
9974   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
9975   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
9976
9977   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
9978   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
9979   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
9980   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
9981
9982   if (from_x == to_x && from_y == to_y)
9983     MarkTileDirty(from_x/2, from_y/2);
9984   else
9985     redraw_mask |= REDRAW_FIELD;
9986 }
9987
9988 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
9989                        int element, boolean change_level)
9990 {
9991   if (element == -1 || change_level)
9992     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
9993   else
9994     DrawAreaBorder(from_x, from_y, to_x, to_y);
9995 }
9996
9997 /* values for CopyBrushExt() */
9998 #define CB_AREA_TO_BRUSH        0
9999 #define CB_BRUSH_TO_CURSOR      1
10000 #define CB_BRUSH_TO_LEVEL       2
10001 #define CB_DELETE_OLD_CURSOR    3
10002 #define CB_DUMP_BRUSH           4
10003 #define CB_DUMP_BRUSH_SMALL     5
10004
10005 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10006                          int button, int mode)
10007 {
10008   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
10009   static int brush_width, brush_height;
10010   static int last_cursor_x = -1, last_cursor_y = -1;
10011   static boolean delete_old_brush;
10012   int new_element = BUTTON_ELEMENT(button);
10013   int x, y;
10014
10015   if (mode == CB_DUMP_BRUSH ||
10016       mode == CB_DUMP_BRUSH_SMALL)
10017   {
10018     if (!draw_with_brush)
10019     {
10020       Error(ERR_WARN, "no brush selected");
10021
10022       return;
10023     }
10024
10025     for (y = 0; y < brush_height; y++)
10026     {
10027       for (x = 0; x < brush_width; x++)
10028       {
10029         int element = brush_buffer[x][y];
10030         int element_mapped = element;
10031
10032         if (IS_CUSTOM_ELEMENT(element))
10033           element_mapped = EL_CUSTOM_START;
10034         else if (IS_GROUP_ELEMENT(element))
10035           element_mapped = EL_GROUP_START;
10036         else if (element >= NUM_FILE_ELEMENTS)
10037           element_mapped = EL_UNKNOWN;
10038
10039         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
10040       }
10041
10042       printf("\n");
10043     }
10044
10045     return;
10046   }
10047
10048   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10049     return;
10050
10051   if (mode == CB_AREA_TO_BRUSH)
10052   {
10053     int from_lx, from_ly;
10054
10055     if (from_x > to_x)
10056       swap_numbers(&from_x, &to_x);
10057
10058     if (from_y > to_y)
10059       swap_numbers(&from_y, &to_y);
10060
10061     brush_width = to_x - from_x + 1;
10062     brush_height = to_y - from_y + 1;
10063
10064     from_lx = from_x + level_xpos;
10065     from_ly = from_y + level_ypos;
10066
10067     for (y = 0; y < brush_height; y++)
10068     {
10069       for (x = 0; x < brush_width; x++)
10070       {
10071         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10072
10073         if (button != 1)
10074           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10075       }
10076     }
10077
10078     if (button != 1)
10079       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10080
10081     delete_old_brush = FALSE;
10082   }
10083   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10084            mode == CB_BRUSH_TO_LEVEL)
10085   {
10086     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10087     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10088     int cursor_from_x = cursor_x - brush_width / 2;
10089     int cursor_from_y = cursor_y - brush_height / 2;
10090     int border_from_x = cursor_x, border_from_y = cursor_y;
10091     int border_to_x = cursor_x, border_to_y = cursor_y;
10092
10093     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10094       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10095
10096     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10097         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10098     {
10099       delete_old_brush = FALSE;
10100       return;
10101     }
10102
10103     for (y = 0; y < brush_height; y++)
10104     {
10105       for (x = 0; x < brush_width; x++)
10106       {
10107         int sx = cursor_from_x + x;
10108         int sy = cursor_from_y + y;
10109         int lx = sx + level_xpos;
10110         int ly = sy + level_ypos;
10111         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10112         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10113                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10114                        brush_buffer[x][y] : new_element);
10115
10116         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10117         {
10118           if (sx < border_from_x)
10119             border_from_x = sx;
10120           else if (sx > border_to_x)
10121             border_to_x = sx;
10122           if (sy < border_from_y)
10123             border_from_y = sy;
10124           else if (sy > border_to_y)
10125             border_to_y = sy;
10126
10127           DrawLineElement(sx, sy, element, change_level);
10128         }
10129       }
10130     }
10131
10132     if (mode != CB_DELETE_OLD_CURSOR)
10133       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10134
10135     last_cursor_x = cursor_x;
10136     last_cursor_y = cursor_y;
10137     delete_old_brush = TRUE;
10138   }
10139 }
10140
10141 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10142                             int button)
10143 {
10144   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10145 }
10146
10147 static void CopyBrushToLevel(int x, int y, int button)
10148 {
10149   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10150 }
10151
10152 static void CopyBrushToCursor(int x, int y)
10153 {
10154   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10155 }
10156
10157 static void DeleteBrushFromCursor()
10158 {
10159   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10160 }
10161
10162 void DumpBrush()
10163 {
10164   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10165 }
10166
10167 void DumpBrush_Small()
10168 {
10169   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10170 }
10171
10172 static void FloodFill(int from_x, int from_y, int fill_element)
10173 {
10174   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10175 }
10176
10177 /* values for DrawLevelText() modes */
10178 #define TEXT_INIT               0
10179 #define TEXT_SETCURSOR          1
10180 #define TEXT_WRITECHAR          2
10181 #define TEXT_BACKSPACE          3
10182 #define TEXT_NEWLINE            4
10183 #define TEXT_END                5
10184 #define TEXT_QUERY_TYPING       6
10185
10186 static int DrawLevelText(int sx, int sy, char letter, int mode)
10187 {
10188   static short delete_buffer[MAX_LEV_FIELDX];
10189   static int start_sx, start_sy;
10190   static int last_sx, last_sy;
10191   static boolean typing = FALSE;
10192   int letter_element = EL_CHAR_ASCII0 + letter;
10193   int lx = 0, ly = 0;
10194
10195   /* map lower case letters to upper case and convert special characters */
10196   if (letter >= 'a' && letter <= 'z')
10197     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10198   else if (letter == 'ä' || letter == 'Ä')
10199     letter_element = EL_CHAR_AUMLAUT;
10200   else if (letter == 'ö' || letter == 'Ö')
10201     letter_element = EL_CHAR_OUMLAUT;
10202   else if (letter == 'ü' || letter == 'Ü')
10203     letter_element = EL_CHAR_UUMLAUT;
10204   else if (letter == '^')
10205     letter_element = EL_CHAR_COPYRIGHT;
10206   else
10207     letter_element = EL_CHAR_ASCII0 + letter;
10208
10209   if (mode != TEXT_INIT)
10210   {
10211     if (!typing)
10212       return FALSE;
10213
10214     if (mode != TEXT_SETCURSOR)
10215     {
10216       sx = last_sx;
10217       sy = last_sy;
10218     }
10219
10220     lx = last_sx + level_xpos;
10221     ly = last_sy + level_ypos;
10222   }
10223
10224   switch (mode)
10225   {
10226     case TEXT_INIT:
10227       if (typing)
10228         DrawLevelText(0, 0, 0, TEXT_END);
10229
10230       typing = TRUE;
10231       start_sx = last_sx = sx;
10232       start_sy = last_sy = sy;
10233       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10234       break;
10235
10236     case TEXT_SETCURSOR:
10237       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10238       DrawAreaBorder(sx, sy, sx, sy);
10239       last_sx = sx;
10240       last_sy = sy;
10241       break;
10242
10243     case TEXT_WRITECHAR:
10244       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10245       {
10246         delete_buffer[sx - start_sx] = Feld[lx][ly];
10247         Feld[lx][ly] = letter_element;
10248
10249         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10250           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10251         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10252           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10253         else
10254           DrawLevelText(0, 0, 0, TEXT_END);
10255
10256         level.changed = TRUE;
10257       }
10258       break;
10259
10260     case TEXT_BACKSPACE:
10261       if (sx > start_sx)
10262       {
10263         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10264         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10265         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10266       }
10267       break;
10268
10269     case TEXT_NEWLINE:
10270       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10271         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10272       else
10273         DrawLevelText(0, 0, 0, TEXT_END);
10274       break;
10275
10276     case TEXT_END:
10277       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10278       DrawMiniElement(sx, sy, Feld[lx][ly]);
10279       typing = FALSE;
10280       break;
10281
10282     case TEXT_QUERY_TYPING:
10283       break;
10284
10285     default:
10286       break;
10287   }
10288
10289   return typing;
10290 }
10291
10292 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10293                           int element, boolean change_level)
10294 {
10295   int lx = sx + level_xpos;
10296   int ly = sy + level_ypos;
10297
10298   if (element == -1)
10299     DrawMiniElement(sx, sy, Feld[lx][ly]);
10300   else
10301     DrawAreaBorder(sx, sy, sx, sy);
10302 }
10303
10304 static void CheckLevelBorderElement(boolean redraw_playfield)
10305 {
10306   int last_border_element = BorderElement;
10307
10308   SetBorderElement();
10309
10310   if (redraw_playfield && BorderElement != last_border_element)
10311     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10312 }
10313
10314 static void CopyLevelToUndoBuffer(int mode)
10315 {
10316   static boolean accumulated_undo = FALSE;
10317   boolean new_undo_buffer_position = TRUE;
10318   int x, y;
10319
10320   switch (mode)
10321   {
10322     case UNDO_IMMEDIATE:
10323       accumulated_undo = FALSE;
10324       break;
10325
10326     case UNDO_ACCUMULATE:
10327       if (accumulated_undo)
10328         new_undo_buffer_position = FALSE;
10329       accumulated_undo = TRUE;
10330       break;
10331
10332     default:
10333       break;
10334   }
10335
10336   if (new_undo_buffer_position)
10337   {
10338     /* new position in undo buffer ring */
10339     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10340
10341     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10342       undo_buffer_steps++;
10343   }
10344
10345   for (x = 0; x < lev_fieldx; x++)
10346     for (y = 0; y < lev_fieldy; y++)
10347       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10348
10349   /* check if drawing operation forces change of border style */
10350   CheckLevelBorderElement(TRUE);
10351
10352   level.changed = TRUE;
10353 }
10354
10355 static void RandomPlacement(int new_element)
10356 {
10357   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10358   int num_free_positions = 0;
10359   int num_percentage, num_elements;
10360   int x, y;
10361
10362 #if 1
10363   ResetIntelliDraw();
10364 #endif
10365
10366   /* determine number of free positions for randomly placing the new element */
10367   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10368   {
10369     free_position[x][y] =
10370       (random_placement_background_restricted ?
10371        Feld[x][y] == random_placement_background_element :
10372        Feld[x][y] != new_element);
10373
10374     if (free_position[x][y])
10375       num_free_positions++;
10376   }
10377
10378   /* determine number of new elements to place there */
10379   num_percentage = num_free_positions * random_placement_value / 100;
10380   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10381                   num_percentage : random_placement_value);
10382
10383   /* if less free positions than elements to place, fill all these positions */
10384   if (num_free_positions < num_elements)
10385   {
10386     for (x = 0; x < lev_fieldx; x++)
10387       for (y = 0; y < lev_fieldy; y++)
10388         if (free_position[x][y])
10389 #if 1
10390           SetElement(x, y, new_element);
10391 #else
10392           Feld[x][y] = new_element;
10393 #endif
10394   }
10395   else
10396   {
10397     while (num_elements > 0)
10398     {
10399       x = GetSimpleRandom(lev_fieldx);
10400       y = GetSimpleRandom(lev_fieldy);
10401
10402       /* don't place element at the same position twice */
10403       if (free_position[x][y])
10404       {
10405         free_position[x][y] = FALSE;
10406 #if 1
10407         SetElement(x, y, new_element);
10408 #else
10409         Feld[x][y] = new_element;
10410 #endif
10411         num_elements--;
10412       }
10413     }
10414   }
10415
10416   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10417   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10418 }
10419
10420 void WrapLevel(int dx, int dy)
10421 {
10422   int wrap_dx = lev_fieldx - dx;
10423   int wrap_dy = lev_fieldy - dy;
10424   int x, y;
10425
10426   for (x = 0; x < lev_fieldx; x++)
10427     for (y = 0; y < lev_fieldy; y++)
10428       FieldBackup[x][y] = Feld[x][y];
10429
10430   for (x = 0; x < lev_fieldx; x++)
10431     for (y = 0; y < lev_fieldy; y++)
10432       Feld[x][y] =
10433         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10434
10435   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10436   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10437 }
10438
10439 static void HandleDrawingAreas(struct GadgetInfo *gi)
10440 {
10441   static boolean started_inside_drawing_area = FALSE;
10442   int id = gi->custom_id;
10443   boolean button_press_event;
10444   boolean button_release_event;
10445   boolean inside_drawing_area = !gi->event.off_borders;
10446   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10447   int actual_drawing_function;
10448   int button = gi->event.button;
10449   int new_element = BUTTON_ELEMENT(button);
10450   int sx = gi->event.x, sy = gi->event.y;
10451   int min_sx = 0, min_sy = 0;
10452   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10453   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10454   int lx = 0, ly = 0;
10455   int min_lx = 0, min_ly = 0;
10456   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10457   int x, y;
10458
10459   /* handle info callback for each invocation of action callback */
10460   gi->callback_info(gi);
10461
10462   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10463   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10464
10465   /* make sure to stay inside drawing area boundaries */
10466   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10467   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10468
10469   if (draw_level)
10470   {
10471     /* get positions inside level field */
10472     lx = sx + level_xpos;
10473     ly = sy + level_ypos;
10474
10475     if (!IN_LEV_FIELD(lx, ly))
10476       inside_drawing_area = FALSE;
10477
10478     /* make sure to stay inside level field boundaries */
10479     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10480     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10481
10482     /* correct drawing area positions accordingly */
10483     sx = lx - level_xpos;
10484     sy = ly - level_ypos;
10485   }
10486
10487   if (button_press_event)
10488     started_inside_drawing_area = inside_drawing_area;
10489
10490   if (!started_inside_drawing_area)
10491     return;
10492
10493   if (!IS_VALID_BUTTON(button))
10494     return;
10495
10496   if (!button && !button_release_event)
10497     return;
10498
10499   /* automatically switch to 'single item' drawing mode, if needed */
10500   actual_drawing_function =
10501     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10502      drawing_function : GADGET_ID_SINGLE_ITEMS);
10503
10504   /* clicking into drawing area with pressed Control key picks element */
10505   if (GetKeyModState() & KMOD_Control)
10506   {
10507     last_drawing_function = drawing_function;
10508     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10509   }
10510
10511   if (GetKeyModState() & KMOD_Shift)
10512   {
10513     if (button_press_event || button_release_event)
10514       ResetIntelliDraw();
10515   }
10516
10517   switch (actual_drawing_function)
10518   {
10519     case GADGET_ID_SINGLE_ITEMS:
10520       if (draw_level)
10521       {
10522         if (button_release_event)
10523         {
10524           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10525
10526           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10527               !inside_drawing_area)
10528             DeleteBrushFromCursor();
10529
10530 #if 0
10531           ResetIntelliDraw();
10532 #endif
10533         }
10534
10535         if (!button || button_release_event)
10536           break;
10537
10538         if (draw_with_brush)
10539         {
10540 #if 0
10541           if (!button_release_event)
10542 #endif
10543             CopyBrushToLevel(sx, sy, button);
10544         }
10545 #if 1
10546         else
10547 #else
10548         else if (new_element != Feld[lx][ly])
10549 #endif
10550         {
10551           if (new_element == EL_PLAYER_1)
10552           {
10553             /* remove player at old position */
10554             for (y = 0; y < lev_fieldy; y++)
10555             {
10556               for (x = 0; x < lev_fieldx; x++)
10557               {
10558                 if (Feld[x][y] == EL_PLAYER_1)
10559                 {
10560 #if 1
10561                   SetElement(x, y, EL_EMPTY);
10562 #else
10563                   Feld[x][y] = EL_EMPTY;
10564 #if 1
10565                   if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
10566                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10567 #else
10568                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
10569                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
10570                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10571 #endif
10572 #endif
10573                 }
10574               }
10575             }
10576           }
10577
10578 #if 1
10579           SetElementButton(lx, ly, new_element, button);
10580 #else
10581           Feld[lx][ly] = new_element;
10582           DrawMiniElement(sx, sy, new_element);
10583 #endif
10584         }
10585       }
10586       else
10587       {
10588         int type_id = gi->custom_type_id;
10589         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10590
10591         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10592           DrawMiniGraphicExt(drawto,
10593                              gi->x + sx * MINI_TILEX,
10594                              gi->y + sy * MINI_TILEY,
10595                              el2edimg(new_element));
10596         else
10597           DrawGraphicExt(drawto,
10598                          gi->x + sx * TILEX,
10599                          gi->y + sy * TILEY,
10600                          el2img(new_element), 0);
10601
10602         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10603           new_element = GFX_ELEMENT(new_element);
10604
10605         drawingarea_info[type_id].value[pos] = new_element;
10606
10607         CopyElementPropertiesToGame(properties_element);
10608
10609         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10610         {
10611           UpdateCustomElementGraphicGadgets();
10612
10613           FrameCounter = 0;     /* restart animation frame counter */
10614         }
10615       }
10616       break;
10617
10618     case GADGET_ID_CONNECTED_ITEMS:
10619       {
10620         static int last_sx = -1;
10621         static int last_sy = -1;
10622
10623         if (button_release_event)
10624           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10625
10626         if (button)
10627         {
10628           if (!button_press_event)
10629             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10630
10631           last_sx = sx;
10632           last_sy = sy;
10633         }
10634       }
10635       break;
10636
10637     case GADGET_ID_LINE:
10638     case GADGET_ID_ARC:
10639     case GADGET_ID_RECTANGLE:
10640     case GADGET_ID_FILLED_BOX:
10641     case GADGET_ID_GRAB_BRUSH:
10642     case GADGET_ID_TEXT:
10643       {
10644         static int last_sx = -1;
10645         static int last_sy = -1;
10646         static int start_sx = -1;
10647         static int start_sy = -1;
10648         void (*draw_func)(int, int, int, int, int, boolean);
10649
10650         if (drawing_function == GADGET_ID_LINE)
10651           draw_func = DrawLine;
10652         else if (drawing_function == GADGET_ID_ARC)
10653           draw_func = DrawArc;
10654         else if (drawing_function == GADGET_ID_RECTANGLE)
10655           draw_func = DrawBox;
10656         else if (drawing_function == GADGET_ID_FILLED_BOX)
10657           draw_func = DrawFilledBox;
10658         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10659           draw_func = SelectArea;
10660         else /* (drawing_function == GADGET_ID_TEXT) */
10661           draw_func = SetTextCursor;
10662
10663         if (button_press_event)
10664         {
10665           draw_func(sx, sy, sx, sy, new_element, FALSE);
10666           start_sx = last_sx = sx;
10667           start_sy = last_sy = sy;
10668
10669           if (drawing_function == GADGET_ID_TEXT)
10670             DrawLevelText(0, 0, 0, TEXT_END);
10671         }
10672         else if (button_release_event)
10673         {
10674           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10675           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10676           {
10677             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10678             CopyBrushToCursor(sx, sy);
10679             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10680                           MB_LEFTBUTTON);
10681             draw_with_brush = TRUE;
10682           }
10683           else if (drawing_function == GADGET_ID_TEXT)
10684             DrawLevelText(sx, sy, 0, TEXT_INIT);
10685           else
10686             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10687         }
10688         else if (last_sx != sx || last_sy != sy)
10689         {
10690           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10691           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10692           last_sx = sx;
10693           last_sy = sy;
10694         }
10695       }
10696       break;
10697
10698     case GADGET_ID_FLOOD_FILL:
10699       if (button_press_event && Feld[lx][ly] != new_element)
10700       {
10701         FloodFill(lx, ly, new_element);
10702         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10703         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10704       }
10705       break;
10706
10707     case GADGET_ID_PICK_ELEMENT:
10708       if (button_release_event)
10709         ClickOnGadget(level_editor_gadget[last_drawing_function],
10710                       MB_LEFTBUTTON);
10711       else if (draw_level)
10712         PickDrawingElement(button, Feld[lx][ly]);
10713       else
10714       {
10715         int type_id = gi->custom_type_id;
10716         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10717
10718         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10719       }
10720
10721       break;
10722
10723     default:
10724       break;
10725   }
10726 }
10727
10728 static void HandleCounterButtons(struct GadgetInfo *gi)
10729 {
10730   int gadget_id = gi->custom_id;
10731   int counter_id = gi->custom_type_id;
10732   int button = gi->event.button;
10733   int *counter_value = counterbutton_info[counter_id].value;
10734   int step = BUTTON_STEPSIZE(button) *
10735     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10736
10737   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10738   {
10739     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10740     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10741     boolean level_changed = LevelChanged();
10742
10743     if ((level_changed && pressed) || (!level_changed && released))
10744       return;
10745
10746     if (level_changed && !Request("Level has changed ! Discard changes ?",
10747                                   REQ_ASK))
10748     {
10749       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10750         ModifyEditorCounterValue(counter_id, *counter_value);
10751
10752       return;
10753     }
10754   }
10755
10756   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10757     *counter_value = gi->textinput.number_value;
10758   else
10759     ModifyEditorCounterValue(counter_id, *counter_value + step);
10760
10761   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10762   {
10763       LoadLevel(level_nr);
10764       LoadScore(level_nr);
10765
10766       TapeErase();
10767
10768       ResetUndoBuffer();
10769       DrawEditModeWindow();
10770
10771       return;
10772   }
10773
10774   switch (counter_id)
10775   {
10776     case ED_COUNTER_ID_YAMYAM_CONTENT:
10777       DrawYamYamContentAreas();
10778       break;
10779
10780     case ED_COUNTER_ID_BALL_CONTENT:
10781       DrawMagicBallContentAreas();
10782       break;
10783
10784     case ED_COUNTER_ID_ANDROID_CONTENT:
10785       DrawAndroidElementArea(properties_element);
10786       break;
10787
10788     case ED_COUNTER_ID_GROUP_CONTENT:
10789       DrawGroupElementArea(properties_element);
10790       CopyGroupElementPropertiesToGame(properties_element);
10791       break;
10792
10793     case ED_COUNTER_ID_INVENTORY_SIZE:
10794       DrawPlayerInitialInventoryArea(properties_element);
10795       break;
10796
10797     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10798     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10799       DrawEnvelopeTextArea(-1);
10800       break;
10801
10802     case ED_COUNTER_ID_LEVEL_XSIZE:
10803     case ED_COUNTER_ID_LEVEL_YSIZE:
10804       lev_fieldx = level.fieldx;
10805       lev_fieldy = level.fieldy;
10806       break;
10807
10808     default:
10809       break;
10810   }
10811
10812   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10813        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10814       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10815        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10816     CopyElementPropertiesToGame(properties_element);
10817
10818   level.changed = TRUE;
10819 }
10820
10821 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10822 {
10823   int type_id = gi->custom_type_id;
10824
10825   strcpy(textinput_info[type_id].value, gi->textinput.value);
10826
10827   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10828   {
10829     CopyElementPropertiesToGame(properties_element);
10830
10831     ModifyEditorElementList();  /* update changed button info text */
10832   }
10833
10834   level.changed = TRUE;
10835 }
10836
10837 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10838 {
10839   int type_id = gi->custom_type_id;
10840
10841 #if 1
10842   strncpy(textarea_info[type_id].value, gi->textarea.value,
10843           MAX_ENVELOPE_TEXT_LEN);
10844   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10845 #else
10846   /* !!! BUGGY !!! MAX_ENVELOPE_TEXT_LEN != MAX_GADGET_TEXTSIZE !!! */
10847   strcpy(textarea_info[type_id].value, gi->textarea.value);
10848 #endif
10849
10850   level.changed = TRUE;
10851 }
10852
10853 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10854 {
10855   int type_id = gi->custom_type_id;
10856   int value_old = *selectbox_info[type_id].value;
10857   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10858
10859   *selectbox_info[type_id].value = value_new;
10860
10861   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10862   {
10863     element_info[properties_element].current_change_page = gi->selectbox.index;
10864
10865     DrawPropertiesWindow();
10866   }
10867   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10868             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10869            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10870             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10871            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10872   {
10873     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10874     {
10875       /* when changing action type, also check action mode and action arg */
10876       if (value_old != value_new)
10877         setSelectboxSpecialActionVariablesIfNeeded();
10878
10879       DrawPropertiesChange();
10880     }
10881
10882     CopyElementPropertiesToGame(properties_element);
10883
10884     level.changed = TRUE;
10885   }
10886 }
10887
10888 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10889 {
10890   int type_id = gi->custom_type_id;
10891   int i;
10892
10893   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
10894       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
10895   {
10896     edit_mode_levelinfo = gi->custom_type_id;
10897
10898     DrawLevelInfoWindow();
10899   }
10900   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10901            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10902   {
10903     edit_mode_properties = gi->custom_type_id;
10904
10905     DrawPropertiesWindow();
10906   }
10907   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10908   {
10909     char *template_filename = getDefaultLevelFilename(-1);
10910     boolean new_template = !fileExists(template_filename);
10911
10912     /* backup original "level.field" (needed to track playfield changes) */
10913     CopyPlayfield(level.field, FieldBackup);
10914
10915     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
10916     CopyPlayfield(Feld, level.field);
10917
10918     if (new_template ||
10919         Request("Save this template and kill the old ?", REQ_ASK))
10920       SaveLevelTemplate();
10921
10922     if (new_template)
10923       Request("Template saved !", REQ_CONFIRM);
10924
10925     /* restore original "level.field" (needed to track playfield changes) */
10926     CopyPlayfield(FieldBackup, level.field);
10927   }
10928   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10929            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10930   {
10931     struct ElementInfo *ei = &element_info[properties_element];
10932
10933     setElementChangePages(ei, ei->num_change_pages + 1);
10934
10935     /* set new change page to be new current change page */
10936     ei->current_change_page = ei->num_change_pages - 1;
10937     ei->change = &ei->change_page[ei->current_change_page];
10938
10939     setElementChangeInfoToDefaults(ei->change);
10940
10941     DrawPropertiesWindow();
10942
10943     level.changed = TRUE;
10944   }
10945   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10946            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10947   {
10948     struct ElementInfo *ei = &element_info[properties_element];
10949
10950     /* copy all change pages after change page to be deleted */
10951     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
10952       ei->change_page[i] = ei->change_page[i + 1];
10953
10954     setElementChangePages(ei, ei->num_change_pages - 1);
10955
10956     DrawPropertiesWindow();
10957
10958     level.changed = TRUE;
10959   }
10960 }
10961
10962 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
10963 {
10964   int type_id = gi->custom_type_id;
10965
10966   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
10967       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
10968   {
10969     struct ElementInfo *ei = &element_info[properties_element];
10970     int step = BUTTON_STEPSIZE(gi->event.button);
10971
10972     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
10973     ei->current_change_page += step;
10974
10975     if (ei->current_change_page < 0)
10976       ei->current_change_page = 0;
10977     else if (ei->current_change_page >= ei->num_change_pages)
10978       ei->current_change_page = ei->num_change_pages - 1;
10979
10980     DrawPropertiesWindow();
10981   }
10982   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
10983            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10984   {
10985     struct ElementInfo *ei = &element_info[properties_element];
10986     int current_change_page = ei->current_change_page;
10987
10988     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
10989       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
10990         ei->change_page[current_change_page];
10991     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10992     {
10993       ei->change_page[current_change_page] =
10994         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
10995
10996       level.changed = TRUE;
10997     }
10998
10999     DrawPropertiesWindow();
11000   }
11001 }
11002
11003 static void HandleRadiobuttons(struct GadgetInfo *gi)
11004 {
11005   *radiobutton_info[gi->custom_type_id].value =
11006     radiobutton_info[gi->custom_type_id].checked_value;
11007
11008   level.changed = TRUE;
11009 }
11010
11011 static void HandleCheckbuttons(struct GadgetInfo *gi)
11012 {
11013   int type_id = gi->custom_type_id;
11014
11015   *checkbutton_info[type_id].value ^= TRUE;
11016
11017   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11018       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11019       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11020       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11021          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11022         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11023          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11024        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11025   {
11026     CopyElementPropertiesToGame(properties_element);
11027   }
11028
11029   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11030   {
11031     UpdateCustomElementGraphicGadgets();
11032   }
11033   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11034   {
11035     char *template_filename = getDefaultLevelFilename(-1);
11036
11037     if (level.use_custom_template && !fileExists(template_filename))
11038     {
11039       Request("No level template found !", REQ_CONFIRM);
11040
11041       level.use_custom_template = FALSE;
11042       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11043
11044       return;
11045     }
11046
11047     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11048
11049     DrawEditModeWindow();
11050   }
11051
11052   level.changed = TRUE;
11053 }
11054
11055 static void HandleControlButtons(struct GadgetInfo *gi)
11056 {
11057   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11058   static int last_edit_mode = ED_MODE_DRAWING;
11059   static int last_custom_copy_mode = -1;
11060   int id = gi->custom_id;
11061   int button = gi->event.button;
11062   int step = BUTTON_STEPSIZE(button);
11063   int new_element = BUTTON_ELEMENT(button);
11064   int x, y;
11065
11066   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11067     DrawLevelText(0, 0, 0, TEXT_END);
11068
11069   if (id < ED_NUM_CTRL1_BUTTONS &&
11070       id != GADGET_ID_SINGLE_ITEMS &&
11071       id != GADGET_ID_PROPERTIES &&
11072       id != GADGET_ID_PICK_ELEMENT &&
11073       edit_mode != ED_MODE_DRAWING &&
11074       drawing_function != GADGET_ID_PICK_ELEMENT &&
11075       !(GetKeyModState() & KMOD_Control))
11076   {
11077     DrawDrawingWindow();
11078     edit_mode = ED_MODE_DRAWING;
11079   }
11080
11081   /* element copy mode active, but no element button pressed => deactivate */
11082   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11083     last_custom_copy_mode = -1;
11084
11085   switch (id)
11086   {
11087     case GADGET_ID_SCROLL_LEFT:
11088       if (level_xpos >= 0)
11089       {
11090         if (lev_fieldx < ed_fieldx - 2)
11091           break;
11092
11093         level_xpos -= step;
11094         if (level_xpos < -1)
11095           level_xpos = -1;
11096         if (button == 1)
11097           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11098         else
11099           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11100
11101         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11102                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11103       }
11104       break;
11105
11106     case GADGET_ID_SCROLL_RIGHT:
11107       if (level_xpos <= lev_fieldx - ed_fieldx)
11108       {
11109         if (lev_fieldx < ed_fieldx - 2)
11110           break;
11111
11112         level_xpos += step;
11113         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11114           level_xpos = lev_fieldx - ed_fieldx + 1;
11115         if (button == 1)
11116           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11117         else
11118           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11119
11120         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11121                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11122       }
11123       break;
11124
11125     case GADGET_ID_SCROLL_UP:
11126       if (level_ypos >= 0)
11127       {
11128         if (lev_fieldy < ed_fieldy - 2)
11129           break;
11130
11131         level_ypos -= step;
11132         if (level_ypos < -1)
11133           level_ypos = -1;
11134         if (button == 1)
11135           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11136         else
11137           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11138
11139         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11140                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11141       }
11142       break;
11143
11144     case GADGET_ID_SCROLL_DOWN:
11145       if (level_ypos <= lev_fieldy - ed_fieldy)
11146       {
11147         if (lev_fieldy < ed_fieldy - 2)
11148           break;
11149
11150         level_ypos += step;
11151         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11152           level_ypos = lev_fieldy - ed_fieldy + 1;
11153         if (button == 1)
11154           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11155         else
11156           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11157
11158         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11159                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11160       }
11161       break;
11162
11163     case GADGET_ID_SCROLL_HORIZONTAL:
11164       level_xpos = gi->event.item_position - 1;
11165       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11166       break;
11167
11168     case GADGET_ID_SCROLL_VERTICAL:
11169       level_ypos = gi->event.item_position - 1;
11170       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11171       break;
11172
11173     case GADGET_ID_SCROLL_LIST_UP:
11174     case GADGET_ID_SCROLL_LIST_DOWN:
11175     case GADGET_ID_SCROLL_LIST_VERTICAL:
11176       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11177         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11178       else
11179       {
11180         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11181         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11182
11183         if (element_shift < 0)
11184           element_shift = 0;
11185         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11186           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11187
11188         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11189                      GDI_SCROLLBAR_ITEM_POSITION,
11190                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11191       }
11192
11193       ModifyEditorElementList();
11194
11195       break;
11196
11197     case GADGET_ID_WRAP_LEFT:
11198       WrapLevel(-step, 0);
11199       break;
11200
11201     case GADGET_ID_WRAP_RIGHT:
11202       WrapLevel(step, 0);
11203       break;
11204
11205     case GADGET_ID_WRAP_UP:
11206       WrapLevel(0, -step);
11207       break;
11208
11209     case GADGET_ID_WRAP_DOWN:
11210       WrapLevel(0, step);
11211       break;
11212
11213     case GADGET_ID_SINGLE_ITEMS:
11214     case GADGET_ID_CONNECTED_ITEMS:
11215     case GADGET_ID_LINE:
11216     case GADGET_ID_ARC:
11217     case GADGET_ID_TEXT:
11218     case GADGET_ID_RECTANGLE:
11219     case GADGET_ID_FILLED_BOX:
11220     case GADGET_ID_FLOOD_FILL:
11221     case GADGET_ID_GRAB_BRUSH:
11222     case GADGET_ID_PICK_ELEMENT:
11223       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11224         last_drawing_function = drawing_function;
11225       drawing_function = id;
11226       draw_with_brush = FALSE;
11227       break;
11228
11229     case GADGET_ID_RANDOM_PLACEMENT:
11230       RandomPlacement(new_element);
11231       break;
11232
11233     case GADGET_ID_PROPERTIES:
11234       if (edit_mode != ED_MODE_PROPERTIES)
11235       {
11236         properties_element = new_element;
11237         DrawPropertiesWindow();
11238         edit_mode = ED_MODE_PROPERTIES;
11239
11240         last_level_drawing_function = drawing_function;
11241         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11242                       MB_LEFTBUTTON);
11243       }
11244       else
11245       {
11246         DrawDrawingWindow();
11247         edit_mode = ED_MODE_DRAWING;
11248
11249         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11250                       MB_LEFTBUTTON);
11251       }
11252       break;
11253
11254     case GADGET_ID_CUSTOM_COPY_FROM:
11255     case GADGET_ID_CUSTOM_COPY_TO:
11256     case GADGET_ID_CUSTOM_EXCHANGE:
11257       last_custom_copy_mode = id;
11258       last_drawing_function = drawing_function;
11259       break;
11260
11261     case GADGET_ID_CUSTOM_COPY:
11262       CopyCustomElement(properties_element, -1, id);
11263       break;
11264
11265     case GADGET_ID_CUSTOM_PASTE:
11266       CopyCustomElement(-1, properties_element, id);
11267       break;
11268
11269     case GADGET_ID_UNDO:
11270       if (undo_buffer_steps == 0)
11271       {
11272         Request("Undo buffer empty !", REQ_CONFIRM);
11273         break;
11274       }
11275
11276       if (edit_mode != ED_MODE_DRAWING)
11277       {
11278         DrawDrawingWindow();
11279         edit_mode = ED_MODE_DRAWING;
11280       }
11281
11282       undo_buffer_position =
11283         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11284       undo_buffer_steps--;
11285
11286       for (x = 0; x < lev_fieldx; x++)
11287         for (y = 0; y < lev_fieldy; y++)
11288           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11289
11290       /* check if undo operation forces change of border style */
11291       CheckLevelBorderElement(FALSE);
11292
11293       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11294
11295       break;
11296
11297     case GADGET_ID_INFO:
11298       if (edit_mode != ED_MODE_INFO)
11299       {
11300         last_edit_mode = edit_mode;
11301         edit_mode = ED_MODE_INFO;
11302
11303         DrawLevelInfoWindow();
11304       }
11305       else
11306       {
11307         edit_mode = last_edit_mode;
11308
11309         DrawEditModeWindow();
11310       }
11311       break;
11312
11313     case GADGET_ID_CLEAR:
11314       if (edit_mode != ED_MODE_DRAWING)
11315       {
11316         DrawDrawingWindow();
11317         edit_mode = ED_MODE_DRAWING;
11318       }
11319
11320       for (x = 0; x < MAX_LEV_FIELDX; x++)
11321         for (y = 0; y < MAX_LEV_FIELDY; y++)
11322           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11323
11324       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11325
11326       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11327       break;
11328
11329     case GADGET_ID_SAVE:
11330     {
11331       /* saving read-only levels into personal level set modifies global vars
11332          "leveldir_current" and "level_nr"; restore them after saving level */
11333       LevelDirTree *leveldir_former = leveldir_current;
11334       int level_nr_former = level_nr;
11335       char *level_filename;
11336       boolean new_level;
11337
11338       if (leveldir_current->readonly &&
11339           !PrepareSavingIntoPersonalLevelSet())
11340         break;
11341
11342       level_filename = getDefaultLevelFilename(level_nr);
11343       new_level = !fileExists(level_filename);
11344
11345       if (new_level ||
11346           Request("Save this level and kill the old ?", REQ_ASK))
11347       {
11348         if (leveldir_former->readonly)
11349           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11350
11351         CopyPlayfield(Feld, level.field);
11352         SaveLevel(level_nr);
11353
11354         level.changed = FALSE;
11355
11356         if (new_level)
11357         {
11358           char level_saved_msg[64];
11359
11360           if (leveldir_former->readonly)
11361             sprintf(level_saved_msg,
11362                     "Level saved as level %d into personal level set !",
11363                     level_nr);
11364           else
11365             strcpy(level_saved_msg, "Level saved !");
11366
11367           Request(level_saved_msg, REQ_CONFIRM);
11368         }
11369       }
11370
11371       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11372       leveldir_current = leveldir_former;
11373       level_nr = level_nr_former;
11374
11375       break;
11376     }
11377
11378     case GADGET_ID_TEST:
11379       if (LevelChanged())
11380         level.game_version = GAME_VERSION_ACTUAL;
11381
11382       CopyPlayfield(level.field, FieldBackup);
11383       CopyPlayfield(Feld, level.field);
11384
11385       CopyNativeLevel_RND_to_Native(&level);
11386
11387       UnmapLevelEditorGadgets();
11388       UndrawSpecialEditorDoor();
11389
11390       CloseDoor(DOOR_CLOSE_ALL);
11391
11392       BackToFront();            /* force redraw of undrawn special door */
11393
11394       DrawCompleteVideoDisplay();
11395
11396       level_editor_test_game = TRUE;
11397
11398       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11399
11400       break;
11401
11402     case GADGET_ID_EXIT:
11403       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11404       break;
11405
11406     default:
11407       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11408           id <= GADGET_ID_ELEMENTLIST_LAST)
11409       {
11410         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11411         int new_element = editor_elements[element_position + element_shift];
11412
11413         if (IS_EDITOR_CASCADE(new_element))
11414         {
11415           int i;
11416
11417           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11418           {
11419             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11420             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11421
11422             if (*cascade_element == new_element)
11423             {
11424               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11425               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11426
11427               /* update element selection list */
11428               ReinitializeElementList();
11429               ModifyEditorElementList();
11430
11431               /* update cascading gadget info text */
11432               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11433
11434               /* save current editor cascading state */
11435               SaveSetup_EditorCascade();
11436
11437               break;
11438             }
11439           }
11440
11441           break;
11442         }
11443
11444         if (last_custom_copy_mode != -1)
11445         {
11446           if (CopyCustomElement(properties_element, new_element,
11447                                 last_custom_copy_mode))
11448           {
11449             ClickOnGadget(level_editor_gadget[last_drawing_function],
11450                           MB_LEFTBUTTON);
11451
11452             last_custom_copy_mode = -1;
11453           }
11454
11455           break;
11456         }
11457
11458         PickDrawingElement(button, new_element);
11459
11460         if (!stick_element_properties_window &&
11461             drawing_function != GADGET_ID_PICK_ELEMENT &&
11462             !(GetKeyModState() & KMOD_Control))
11463         {
11464           properties_element = new_element;
11465           if (edit_mode == ED_MODE_PROPERTIES)
11466             DrawPropertiesWindow();
11467         }
11468
11469         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11470           ClickOnGadget(level_editor_gadget[last_drawing_function],
11471                         MB_LEFTBUTTON);
11472       }
11473 #ifdef DEBUG
11474       else if (gi->event.type == GD_EVENT_PRESSED)
11475         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11476       else if (gi->event.type == GD_EVENT_RELEASED)
11477         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11478       else if (gi->event.type == GD_EVENT_MOVING)
11479         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11480       else
11481         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11482 #endif
11483       break;
11484   }
11485 }
11486
11487 void HandleLevelEditorKeyInput(Key key)
11488 {
11489   char letter = getCharFromKey(key);
11490   int button = MB_LEFTBUTTON;
11491
11492   if (drawing_function == GADGET_ID_TEXT &&
11493       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11494   {
11495     if (letter)
11496       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11497     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11498       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11499     else if (key == KSYM_Return)
11500       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11501     else if (key == KSYM_Escape)
11502       DrawLevelText(0, 0, 0, TEXT_END);
11503   }
11504   else if (button_status == MB_RELEASED)
11505   {
11506     int id = GADGET_ID_NONE;
11507     int new_element_shift = element_shift;
11508     int i;
11509
11510     switch (key)
11511     {
11512       case KSYM_Left:
11513         id = GADGET_ID_SCROLL_LEFT;
11514         break;
11515       case KSYM_Right:
11516         id = GADGET_ID_SCROLL_RIGHT;
11517         break;
11518       case KSYM_Up:
11519         id = GADGET_ID_SCROLL_UP;
11520         break;
11521       case KSYM_Down:
11522         id = GADGET_ID_SCROLL_DOWN;
11523         break;
11524       case KSYM_Page_Up:
11525         id = GADGET_ID_SCROLL_LIST_UP;
11526         button = MB_RIGHTBUTTON;
11527         break;
11528       case KSYM_Page_Down:
11529         id = GADGET_ID_SCROLL_LIST_DOWN;
11530         button = MB_RIGHTBUTTON;
11531         break;
11532
11533       case KSYM_Home:
11534       case KSYM_End:
11535         element_shift = (key == KSYM_Home ? 0 :
11536                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11537
11538         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11539                      GDI_SCROLLBAR_ITEM_POSITION,
11540                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11541
11542         ModifyEditorElementList();
11543
11544         break;
11545
11546       case KSYM_Insert:
11547       case KSYM_Delete:
11548
11549         /* this is needed to prevent interference with running "True X-Mouse" */
11550         if (GetKeyModStateFromEvents() & KMOD_Control)
11551           break;
11552
11553         /* check for last or next editor cascade block in element list */
11554         for (i = 0; i < num_editor_elements; i++)
11555         {
11556           if ((key == KSYM_Insert && i == element_shift) ||
11557               (key == KSYM_Delete && new_element_shift > element_shift))
11558             break;
11559
11560           /* jump to next cascade block (or to start of element list) */
11561           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11562             new_element_shift = i;
11563         }
11564
11565         if (i < num_editor_elements)
11566           element_shift = new_element_shift;
11567
11568         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11569           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11570
11571         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11572                      GDI_SCROLLBAR_ITEM_POSITION,
11573                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11574
11575         ModifyEditorElementList();
11576
11577         break;
11578
11579       case KSYM_Escape:
11580         if (edit_mode == ED_MODE_DRAWING)
11581         {
11582           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11583         }
11584         else if (edit_mode == ED_MODE_INFO)
11585         {
11586           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11587         }
11588         else if (edit_mode == ED_MODE_PROPERTIES)
11589         {
11590           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11591         }
11592         else            /* should never happen */
11593         {
11594           DrawDrawingWindow();
11595           edit_mode = ED_MODE_DRAWING;
11596         }
11597
11598         break;
11599
11600       default:
11601         break;
11602     }
11603
11604     if (id != GADGET_ID_NONE)
11605       ClickOnGadget(level_editor_gadget[id], button);
11606     else if (letter == '.')
11607       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11608     else if (key == KSYM_Return ||
11609              key == KSYM_space ||
11610              key == setup.shortcut.toggle_pause)
11611       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11612     else
11613       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11614         if (letter && letter == control_info[i].shortcut)
11615           if (!anyTextGadgetActive())
11616             ClickOnGadget(level_editor_gadget[i], button);
11617   }
11618 }
11619
11620 void HandleLevelEditorIdle()
11621 {
11622   static unsigned long action_delay = 0;
11623   unsigned long action_delay_value = GameFrameDelay;
11624   int xpos = 1, ypos = 2;
11625   int i;
11626
11627   if (edit_mode != ED_MODE_PROPERTIES)
11628     return;
11629
11630   if (!DelayReached(&action_delay, action_delay_value))
11631     return;
11632
11633   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11634   {
11635     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11636
11637     if (gi->mapped && gi->active && gi->selectbox.open)
11638       return;
11639   }
11640
11641   DrawEditorElementAnimation(SX + xpos * TILEX,
11642                              SY + ypos * TILEY + MINI_TILEY / 2);
11643
11644   MarkTileDirty(xpos, ypos);
11645   MarkTileDirty(xpos, ypos + 1);
11646
11647   FrameCounter++;       /* increase animation frame counter */
11648 }
11649
11650 void ClearEditorGadgetInfoText()
11651 {
11652   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11653 }
11654
11655 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11656 {
11657   char infotext[MAX_OUTPUT_LINESIZE + 1];
11658   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11659   int max_infotext_len = getMaxInfoTextLength();
11660
11661   if (gi == NULL || gi->info_text == NULL)
11662     return;
11663
11664   strncpy(infotext, gi->info_text, max_infotext_len);
11665   infotext[max_infotext_len] = '\0';
11666
11667   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11668   {
11669     int key = control_info[gi->custom_id].shortcut;
11670
11671     if (key)
11672     {
11673       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11674         sprintf(shortcut, " ('.' or '%c')", key);
11675       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11676         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11677       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11678         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11679       else                                              /* normal case */
11680         sprintf(shortcut, " ('%s%c')",
11681                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11682
11683       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11684         strcat(infotext, shortcut);
11685     }
11686   }
11687
11688   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11689 }
11690
11691 void HandleEditorGadgetInfoText(void *ptr)
11692 {
11693   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11694
11695   if (game_status != GAME_MODE_EDITOR)
11696     return;
11697
11698   ClearEditorGadgetInfoText();
11699
11700   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11701     return;
11702
11703   /* misuse this function to delete brush cursor, if needed */
11704   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11705     DeleteBrushFromCursor();
11706
11707   PrintEditorGadgetInfoText(gi);
11708 }
11709
11710 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11711 {
11712   static int start_lx, start_ly;
11713   int id = gi->custom_id;
11714   int type_id = gi->custom_type_id;
11715   int sx = gi->event.x;
11716   int sy = gi->event.y;
11717   int lx = sx + level_xpos;
11718   int ly = sy + level_ypos;
11719   int min_sx = 0, min_sy = 0;
11720   int max_sx = gi->drawing.area_xsize - 1;
11721   int max_sy = gi->drawing.area_ysize - 1;
11722   int actual_drawing_function = drawing_function;
11723   int max_infotext_len = getMaxInfoTextLength();
11724   char infotext[MAX_OUTPUT_LINESIZE + 1];
11725   char *text;
11726
11727   infotext[0] = '\0';           /* start with empty info text */
11728
11729   /* pressed Control key: simulate picking element */
11730   if (GetKeyModState() & KMOD_Control)
11731     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11732
11733   ClearEditorGadgetInfoText();
11734
11735   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11736     return;
11737
11738   /* make sure to stay inside drawing area boundaries */
11739   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11740   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11741
11742   if (id == GADGET_ID_DRAWING_LEVEL)
11743   {
11744     if (button_status)
11745     {
11746       int min_lx = 0, min_ly = 0;
11747       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11748
11749       /* get positions inside level field */
11750       lx = sx + level_xpos;
11751       ly = sy + level_ypos;
11752
11753       /* make sure to stay inside level field boundaries */
11754       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11755       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11756
11757       /* correct drawing area positions accordingly */
11758       sx = lx - level_xpos;
11759       sy = ly - level_ypos;
11760     }
11761
11762     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11763     {
11764       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11765       {
11766         if (gi->event.type == GD_EVENT_PRESSED)
11767         {
11768           start_lx = lx;
11769           start_ly = ly;
11770         }
11771
11772         switch (actual_drawing_function)
11773         {
11774           case GADGET_ID_SINGLE_ITEMS:
11775             text = "Drawing single items";
11776             break;
11777           case GADGET_ID_CONNECTED_ITEMS:
11778             text = "Drawing connected items";
11779             break;
11780           case GADGET_ID_LINE:
11781             text = "Drawing line";
11782             break;
11783           case GADGET_ID_ARC:
11784             text = "Drawing arc";
11785             break;
11786           case GADGET_ID_TEXT:
11787             text = "Setting text cursor";
11788             break;
11789           case GADGET_ID_RECTANGLE:
11790             text = "Drawing rectangle";
11791             break;
11792           case GADGET_ID_FILLED_BOX:
11793             text = "Drawing filled box";
11794             break;
11795           case GADGET_ID_FLOOD_FILL:
11796             text = "Flood fill";
11797             break;
11798           case GADGET_ID_GRAB_BRUSH:
11799             text = "Grabbing brush";
11800             break;
11801           case GADGET_ID_PICK_ELEMENT:
11802             text = "Picking element";
11803             break;
11804
11805           default:
11806             text = "Drawing position";
11807             break;
11808         }
11809
11810         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11811           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11812         else
11813           sprintf(infotext, "%s: %d, %d", text,
11814                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11815       }
11816       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11817         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11818       else
11819         sprintf(infotext, "Level position: %d, %d", lx, ly);
11820     }
11821
11822     /* misuse this function to draw brush cursor, if needed */
11823     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11824     {
11825       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11826         CopyBrushToCursor(sx, sy);
11827       else
11828         DeleteBrushFromCursor();
11829     }
11830   }
11831   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11832   {
11833     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11834     int element = drawingarea_info[type_id].value[pos];
11835
11836     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11837   }
11838   else
11839   {
11840     if (id == GADGET_ID_CUSTOM_CONTENT)
11841       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11842     else if (id == GADGET_ID_GROUP_CONTENT)
11843       sprintf(infotext, "group element position: %d", sx + 1);
11844     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11845              id <= GADGET_ID_YAMYAM_CONTENT_7)
11846       sprintf(infotext, "content area %d position: %d, %d",
11847               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11848     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11849              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11850       sprintf(infotext, "content area %d position: %d, %d",
11851               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11852     else if (id == GADGET_ID_ANDROID_CONTENT)
11853       sprintf(infotext, "android element position: %d", sx + 1);
11854     else if (drawingarea_info[type_id].infotext != NULL)
11855       strcpy(infotext, drawingarea_info[type_id].infotext);
11856   }
11857
11858   infotext[max_infotext_len] = '\0';
11859
11860   if (strlen(infotext) > 0)
11861     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11862 }
11863
11864 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11865                             boolean quick_quit)
11866 {
11867   if (!ask_if_level_has_changed ||
11868       !LevelChanged() ||
11869       Request("Level has changed ! Exit without saving ?",
11870               REQ_ASK | REQ_STAY_OPEN))
11871   {
11872     CloseDoor(DOOR_CLOSE_1);
11873     SetDoorState(DOOR_CLOSE_2);
11874
11875 #if 1
11876     if (quick_quit)
11877       FadeSkipNextFadeIn();
11878 #else
11879     if (quick_quit)
11880       fading = fading_none;
11881 #endif
11882
11883     game_status = GAME_MODE_MAIN;
11884 #if 1
11885     DrawAndFadeInMainMenu(REDRAW_FIELD);
11886 #else
11887     DrawMainMenu();
11888 #endif
11889   }
11890   else
11891   {
11892     CloseDoor(DOOR_CLOSE_1);
11893     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11894   }
11895 }