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_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 11)
 580 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 12)
 581 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 582 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 14)
 583 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 15)
 584 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 585 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 586 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 18)
 587 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 19)
 588 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 20)
 589 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 21)
 590 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 591 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 23)
 592 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 593 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 25)
 594 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 595 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 596 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 28)
 597 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 29)
 598 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 30)
 599 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 31)
 600 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 32)
 601 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 602 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 34)
 603 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 35)
 604 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 605 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 37)
 606 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 38)
 607 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 39)
 608 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 40)
 609 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 610 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 42)
 611 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 43)
 612 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 44)
 613 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 45)
 614 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 46)
 615 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 616 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 617 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 618 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 50)
 619 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 51)
 620 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 52)
 621
 622 /* gadgets for buttons in element list */
 623 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 53)
 624 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 625                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 626
 627 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 628
 629 /* radio button numbers */
 630 #define RADIO_NR_NONE                   0
 631 #define RADIO_NR_DRAWING_TOOLBOX        1
 632 #define RADIO_NR_RANDOM_ELEMENTS        2
 633
 634 /* values for counter gadgets */
 635 #define ED_COUNTER_ID_SELECT_LEVEL      0
 636 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 637 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 638 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 639 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 640 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 641 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 642 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 643 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 644 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 645 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 646 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 647 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 648 #define ED_COUNTER_ID_BALL_CONTENT      13
 649 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 650 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 651 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 652 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 653 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 654 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 655 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 656 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 657 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 658 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 659 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 660 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 661 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 662 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 663 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 664 #define ED_COUNTER_ID_IGNITION_DELAY    29
 665 #define ED_COUNTER_ID_GROUP_CONTENT     30
 666 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 667 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 668 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 669
 670 #define ED_NUM_COUNTERBUTTONS           34
 671
 672 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 673 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 674 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 675 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 676
 677 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 678 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 679 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 680 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 681 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 682 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 683
 684 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 685 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 686
 687 /* values for scrollbutton gadgets */
 688 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 689 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 690 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 691 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 692 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 693 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 694
 695 #define ED_NUM_SCROLLBUTTONS            6
 696
 697 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 698 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 699
 700 /* values for scrollbar gadgets */
 701 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 702 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 703 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 704
 705 #define ED_NUM_SCROLLBARS               3
 706
 707 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 708 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 709
 710 /* values for text input gadgets */
 711 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 712 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 713 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 714
 715 #define ED_NUM_TEXTINPUT                3
 716
 717 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 718 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 719
 720 /* values for text area gadgets */
 721 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 722
 723 #define ED_NUM_TEXTAREAS                        1
 724
 725 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 726 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 727
 728 /* values for selectbox gadgets */
 729 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 730 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 731 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 732 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 733 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 734 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 735 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 736 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 737 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 738 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 739 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 740 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 741 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 742 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 743 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 744 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 745 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 746 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 747 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 748 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 749 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 750 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 751 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 752 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 753 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 754 #define ED_SELECTBOX_ID_ACTION_MODE             25
 755 #define ED_SELECTBOX_ID_ACTION_ARG              26
 756 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 757 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 758
 759 #define ED_NUM_SELECTBOX                        29
 760
 761 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 762 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 763
 764 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 765 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 766 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 767 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 768 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 769 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 770
 771 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 772 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 773
 774 /* values for textbutton gadgets */
 775 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 776 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 777 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 778 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 779 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 780 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 781 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 782 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 783 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 784 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 785
 786 #define ED_NUM_TEXTBUTTONS                      10
 787
 788 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 789 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 790
 791 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 792 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 793
 794 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 795 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 796
 797 /* values for graphicbutton gadgets */
 798 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 799 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 800 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 801 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 802
 803 #define ED_NUM_GRAPHICBUTTONS                   4
 804
 805 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 806 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 807
 808 /* values for checkbutton gadgets */
 809 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 810 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 811 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 812 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 813 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 814 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 815 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 816 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 817 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 818 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   9
 819 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      10
 820 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      11
 821 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   12
 822 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    13
 823 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    14
 824 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     15
 825 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   16
 826 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 17
 827 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       18
 828 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 19
 829 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  20
 830 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    21
 831 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    22
 832 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     23
 833 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     24
 834 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     25
 835 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    26
 836 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   27
 837 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     28
 838 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 29
 839 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 30
 840 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 31
 841 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 32
 842 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       33
 843 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       34
 844 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      35
 845 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       36
 846 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         37
 847 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    38
 848 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   39
 849 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  40
 850 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 41
 851 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     42
 852 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          43
 853 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  44
 854 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   45
 855 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  46
 856 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    47
 857 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  48
 858 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     49
 859 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     50
 860
 861 #define ED_NUM_CHECKBUTTONS                     51
 862
 863 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 864 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 865
 866 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 867 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 868 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 869 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 870 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 871 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 872
 873 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 874 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 875
 876 /* values for radiobutton gadgets */
 877 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 878 #define ED_RADIOBUTTON_ID_QUANTITY      1
 879
 880 #define ED_NUM_RADIOBUTTONS             2
 881
 882 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 883 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 884
 885 /* values for drawing area gadgets */
 886 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 887 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 888 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 889 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 890 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 891 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 892 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 893 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 894 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 895 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 896 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 897 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 898 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 899 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 900 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 901 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 902 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 903 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 904 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 905 #define ED_DRAWING_ID_START_ELEMENT             19
 906 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 907 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 908 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 909 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 910 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 911 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 912 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 913 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 914 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 915 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 916 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 917 #define ED_DRAWING_ID_GROUP_CONTENT             31
 918 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 919
 920 #define ED_NUM_DRAWING_AREAS                    33
 921
 922
 923 /*
 924   -----------------------------------------------------------------------------
 925   some internally used definitions
 926   -----------------------------------------------------------------------------
 927 */
 928
 929 /* values for CopyLevelToUndoBuffer() */
 930 #define UNDO_IMMEDIATE                  0
 931 #define UNDO_ACCUMULATE                 1
 932
 933 /* values for scrollbars */
 934 #define ED_SCROLL_NO                    0
 935 #define ED_SCROLL_LEFT                  1
 936 #define ED_SCROLL_RIGHT                 2
 937 #define ED_SCROLL_UP                    4
 938 #define ED_SCROLL_DOWN                  8
 939
 940 /* screens in the level editor */
 941 #define ED_MODE_DRAWING                 0
 942 #define ED_MODE_INFO                    1
 943 #define ED_MODE_PROPERTIES              2
 944
 945 /* sub-screens in the global settings section */
 946 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 947 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 948
 949 /* sub-screens in the element properties section */
 950 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 951 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 952 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 953 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 954 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 955
 956 /* how many steps can be cancelled */
 957 #define NUM_UNDO_STEPS                  (10 + 1)
 958
 959 /* values for elements with score for certain actions */
 960 #define MIN_SCORE                       0
 961 #define MAX_SCORE                       999
 962
 963 /* values for elements with count for collecting */
 964 #define MIN_COLLECT_COUNT               0
 965 #define MAX_COLLECT_COUNT               999
 966
 967 /* values for random placement */
 968 #define RANDOM_USE_PERCENTAGE           0
 969 #define RANDOM_USE_QUANTITY             1
 970
 971 /* maximal size of level editor drawing area */
 972 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 973 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 974
 975
 976 /*
 977   -----------------------------------------------------------------------------
 978   some internally used data structure definitions
 979   -----------------------------------------------------------------------------
 980 */
 981
 982 static struct
 983 {
 984   char shortcut;
 985   char *text;
 986 } control_info[ED_NUM_CTRL_BUTTONS] =
 987 {
 988   /* note: some additional characters are already reserved for "cheat mode"
 989      shortcuts (":XYZ" style) -- for details, see "events.c" */
 990
 991   { 's',        "draw single items"                     },
 992   { 'd',        "draw connected items"                  },
 993   { 'l',        "draw lines"                            },
 994   { 'a',        "draw arcs"                             },
 995   { 'r',        "draw outline rectangles"               },
 996   { 'R',        "draw filled rectangles"                },
 997   { '\0',       "wrap (rotate) level up"                },
 998   { 't',        "enter text elements"                   },
 999   { 'f',        "flood fill"                            },
1000   { '\0',       "wrap (rotate) level left"              },
1001   { '?',        "properties of drawing element"         },
1002   { '\0',       "wrap (rotate) level right"             },
1003   { '\0',       "random element placement"              },
1004   { 'b',        "grab brush"                            },
1005   { '\0',       "wrap (rotate) level down"              },
1006   { ',',        "pick drawing element"                  },
1007
1008   { 'U',        "undo last operation"                   },
1009   { 'I',        "properties of level"                   },
1010   { 'S',        "save level"                            },
1011   { 'C',        "clear level"                           },
1012   { 'T',        "test level"                            },
1013   { 'E',        "exit level editor"                     },
1014
1015   { '\0',       "copy settings from other element"      },
1016   { '\0',       "copy settings to other element"        },
1017   { '\0',       "exchange element with other element"   },
1018
1019   { '\0',       "copy settings from this element"       },
1020   { '\0',       "paste settings to this element"        },
1021 };
1022
1023 static int random_placement_value = 10;
1024 static int random_placement_method = RANDOM_USE_QUANTITY;
1025 static int random_placement_background_element = EL_SAND;
1026 static boolean random_placement_background_restricted = FALSE;
1027 static boolean stick_element_properties_window = FALSE;
1028 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1029 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1030 static struct ElementChangeInfo custom_element_change;
1031 static struct ElementGroupInfo group_element_info;
1032 static struct ElementInfo custom_element;
1033
1034 static struct
1035 {
1036   int x, y;
1037   int min_value, max_value;
1038   int gadget_id_down, gadget_id_up;
1039   int gadget_id_text;
1040   int gadget_id_align;
1041   int *value;
1042   char *text_above, *text_left, *text_right;
1043 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1044 {
1045   /* ---------- current level number --------------------------------------- */
1046
1047   {
1048     DX + 5 - SX,                        DY + 3 - SY,
1049     1,                                  100,
1050     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1051     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1052     &level_nr,
1053     NULL,                               NULL, NULL
1054   },
1055
1056   /* ---------- level and editor settings ---------------------------------- */
1057
1058   {
1059     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1060     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1061     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1062     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1063     &level.fieldx,
1064     "playfield size:",                  NULL, "width",
1065   },
1066   {
1067     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1068     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1069     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1070     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1071     &level.fieldy,
1072     NULL,                               " ", "height",
1073   },
1074   {
1075     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1076     0,                                  999,
1077     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1078     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1079     &level.gems_needed,
1080     NULL,                               "number of gems to collect:", NULL
1081   },
1082   {
1083     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1084     0,                                  9999,
1085     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1086     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1087     &level.time,
1088     "time or step limit to solve level:", NULL, NULL
1089   },
1090   {
1091     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1092     0,                                  999,
1093     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1094     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1095     &level.score[SC_TIME_BONUS],
1096     "score for each second/step left:", NULL, NULL
1097   },
1098   {
1099     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1100     0,                                  9999,
1101     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1102     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1103     &level.random_seed,
1104     NULL,                               "random seed:", "(0 => random)"
1105   },
1106   {
1107     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1108     1,                                  100,
1109     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1110     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1111     &random_placement_value,
1112     "random element placement:",        NULL, "in"
1113   },
1114
1115   /* ---------- element settings: configure (various elements) ------------- */
1116
1117   {
1118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1119     MIN_SCORE,                          MAX_SCORE,
1120     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1121     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1122     NULL,                               /* will be set when used */
1123     NULL,                               NULL, NULL
1124   },
1125   {
1126     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1127     MIN_SCORE,                          MAX_SCORE,
1128     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1129     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1130     NULL,                               /* will be set when used */
1131     NULL,                               NULL, NULL
1132   },
1133   {
1134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1135     MIN_SCORE,                          MAX_SCORE,
1136     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1137     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1138     NULL,                               /* will be set when used */
1139     NULL,                               NULL, NULL
1140   },
1141   {
1142     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1143     MIN_SCORE,                          MAX_SCORE,
1144     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1145     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1146     NULL,                               /* will be set when used */
1147     NULL,                               NULL, NULL
1148   },
1149   {
1150     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1151     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1152     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1153     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1154     &level.num_yamyam_contents,
1155     NULL,                               NULL, "number of content areas"
1156   },
1157   {
1158     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1159     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1160     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1161     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1162     &level.num_ball_contents,
1163     NULL,                               NULL, "number of content areas"
1164   },
1165   {
1166     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1167     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1168     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1169     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1170     &level.num_android_clone_elements,
1171     NULL,                               NULL, "number of clonable elements"
1172   },
1173   {
1174     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1175     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1176     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1177     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1178     NULL,                               /* will be set when used */
1179     NULL,                               NULL, "width",
1180   },
1181   {
1182     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1183     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1184     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1185     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1186     NULL,                               /* will be set when used */
1187     NULL,                               " ", "height",
1188   },
1189   {
1190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1191     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1192     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1193     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1194     &level.initial_inventory_size[0],
1195     NULL,                               NULL, "number of inventory elements"
1196   },
1197
1198   /* ---------- element settings: configure 1 (custom elements) ------------ */
1199
1200   {
1201     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1202     MIN_SCORE,                          MAX_SCORE,
1203     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1204     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1205     &custom_element.collect_score_initial,
1206     NULL,                               "CE score", " "
1207   },
1208   {
1209     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1210     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1211     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1212     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1213     &custom_element.collect_count_initial,
1214     NULL,                               "CE count", NULL
1215   },
1216   {
1217     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1218     0,                                  9999,
1219     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1220     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1221     &custom_element.ce_value_fixed_initial,
1222     NULL,                               "CE value", NULL
1223   },
1224   {
1225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1226     0,                                  9999,
1227     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1228     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1229     &custom_element.ce_value_random_initial,
1230     NULL,                               "+random", NULL
1231   },
1232   {
1233     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1234     0,                                  999,
1235     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1236     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1237     &custom_element.push_delay_fixed,
1238     NULL,                               "push delay", NULL
1239   },
1240   {
1241     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1242     0,                                  999,
1243     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1244     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1245     &custom_element.push_delay_random,
1246     NULL,                               "+random", NULL
1247   },
1248   {
1249     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1250     0,                                  999,
1251     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1252     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1253     &custom_element.drop_delay_fixed,
1254     NULL,                               "drop delay", NULL
1255   },
1256   {
1257     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1258     0,                                  999,
1259     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1260     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1261     &custom_element.drop_delay_random,
1262     NULL,                               "+random", NULL
1263   },
1264
1265   /* ---------- element settings: configure 2 (custom elements) ------------ */
1266
1267   {
1268     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1269     0,                                  999,
1270     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1271     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1272     &custom_element.move_delay_fixed,
1273     NULL,                               "move delay", NULL
1274   },
1275   {
1276     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1277     0,                                  999,
1278     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1279     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1280     &custom_element.move_delay_random,
1281     NULL,                               "+random", NULL
1282   },
1283   {
1284     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1285     0,                                  999,
1286     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1287     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1288     &custom_element.explosion_delay,
1289     NULL,                               "explosion delay", NULL
1290   },
1291   {
1292     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1293     0,                                  999,
1294     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1295     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1296     &custom_element.ignition_delay,
1297     NULL,                               "ignition delay", "(by fire)"
1298   },
1299
1300   /* ---------- element settings: configure (group elements) --------------- */
1301
1302   {
1303     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1304     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1305     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1306     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1307     &group_element_info.num_elements,
1308     NULL,                               NULL, "number of elements in group"
1309   },
1310
1311   /* ---------- element settings: advanced (custom elements) --------------- */
1312
1313   {
1314     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1315     0,                                  999,
1316     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1317     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1318     &custom_element_change.delay_fixed,
1319     NULL,                               "CE delay", NULL,
1320   },
1321   {
1322     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1323     0,                                  999,
1324     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1325     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1326     &custom_element_change.delay_random,
1327     NULL,                               "+random", NULL
1328   },
1329   {
1330     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1331     0,                                  100,
1332     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1333     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1334     &custom_element_change.random_percentage,
1335     NULL,                               "use random replace:", "%"
1336   },
1337 };
1338
1339 static struct
1340 {
1341   int x, y;
1342   int gadget_id;
1343   int size;
1344   char *value;
1345   char *text_above, *infotext;
1346 } textinput_info[ED_NUM_TEXTINPUT] =
1347 {
1348   {
1349     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1350     GADGET_ID_LEVEL_NAME,
1351     MAX_LEVEL_NAME_LEN,
1352     level.name,
1353     "Title:", "Title"
1354   },
1355   {
1356     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1357     GADGET_ID_LEVEL_AUTHOR,
1358     MAX_LEVEL_AUTHOR_LEN,
1359     level.author,
1360     "Author:", "Author"
1361   },
1362   {
1363     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1364     GADGET_ID_ELEMENT_NAME,
1365     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1366     custom_element.description,
1367     NULL, "Element name"
1368   }
1369 };
1370
1371 static struct
1372 {
1373   int x, y;
1374   int gadget_id;
1375   int xsize, ysize;
1376   char *value;
1377   char *text_above, *infotext;
1378 } textarea_info[ED_NUM_TEXTAREAS] =
1379 {
1380   {
1381     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1382     GADGET_ID_ENVELOPE_INFO,
1383     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1384     NULL,
1385     "Envelope Content:", "Envelope Content"
1386   }
1387 };
1388
1389 static struct ValueTextInfo options_time_or_steps[] =
1390 {
1391   { 0,                          "seconds"                       },
1392   { 1,                          "steps"                         },
1393
1394   { -1,                         NULL                            }
1395 };
1396
1397 static struct ValueTextInfo options_game_engine_type[] =
1398 {
1399   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1400   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1401   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1402
1403   { -1,                         NULL                            }
1404 };
1405
1406 static struct ValueTextInfo options_wind_direction[] =
1407 {
1408   { MV_START_NONE,              "none"                          },
1409   { MV_START_LEFT,              "left"                          },
1410   { MV_START_RIGHT,             "right"                         },
1411   { MV_START_UP,                "up"                            },
1412   { MV_START_DOWN,              "down"                          },
1413
1414   { -1,                         NULL                            }
1415 };
1416
1417 static struct ValueTextInfo options_player_speed[] =
1418 {
1419   { 0,                          "frozen"                        },
1420   { 1,                          "very slow"                     },
1421   { 2,                          "slow"                          },
1422   { 4,                          "normal"                        },
1423   { 8,                          "fast"                          },
1424   { 16,                         "very fast"                     },
1425   { 32,                         "ultrafast"                     },
1426
1427   { -1,                         NULL                            }
1428 };
1429
1430 static struct ValueTextInfo options_access_type[] =
1431 {
1432   { EP_WALKABLE,                "walkable"                      },
1433   { EP_PASSABLE,                "passable"                      },
1434
1435   { -1,                         NULL                            }
1436 };
1437
1438 static struct ValueTextInfo options_access_layer[] =
1439 {
1440   { EP_ACCESSIBLE_OVER,         "over"                          },
1441   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1442   { EP_ACCESSIBLE_UNDER,        "under"                         },
1443
1444   { -1,                         NULL                            }
1445 };
1446
1447 static struct ValueTextInfo options_access_protected[] =
1448 {
1449   { 0,                          "unprotected"                   },
1450   { 1,                          "protected"                     },
1451
1452   { -1,                         NULL                            }
1453 };
1454
1455 static struct ValueTextInfo options_access_direction[] =
1456 {
1457   { MV_NO_DIRECTION,            "no direction"                  },
1458   { MV_LEFT,                    "left"                          },
1459   { MV_RIGHT,                   "right"                         },
1460   { MV_UP,                      "up"                            },
1461   { MV_DOWN,                    "down"                          },
1462   { MV_LEFT  | MV_UP,           "left + up"                     },
1463   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1464   { MV_RIGHT | MV_UP,           "right + up"                    },
1465   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1466   { MV_HORIZONTAL,              "horizontal"                    },
1467   { MV_VERTICAL,                "vertical"                      },
1468   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1469   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1470   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1471   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1472   { MV_ALL_DIRECTIONS,          "all directions"                },
1473
1474   { -1,                         NULL                            }
1475 };
1476
1477 static struct ValueTextInfo options_walk_to_action[] =
1478 {
1479   { EP_DIGGABLE,                "diggable"                      },
1480   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1481   { EP_DROPPABLE,               "collectible & droppable"       },
1482   { EP_THROWABLE,               "collectible & throwable"       },
1483   { EP_PUSHABLE,                "pushable"                      },
1484
1485   { -1,                         NULL                            }
1486 };
1487
1488 static struct ValueTextInfo options_move_pattern[] =
1489 {
1490   { MV_LEFT,                    "left"                          },
1491   { MV_RIGHT,                   "right"                         },
1492   { MV_UP,                      "up"                            },
1493   { MV_DOWN,                    "down"                          },
1494   { MV_HORIZONTAL,              "horizontal"                    },
1495   { MV_VERTICAL,                "vertical"                      },
1496   { MV_ALL_DIRECTIONS,          "all directions"                },
1497   { MV_WIND_DIRECTION,          "wind direction"                },
1498   { MV_TOWARDS_PLAYER,          "towards player"                },
1499   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1500   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1501   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1502   { MV_TURNING_LEFT,            "turning left"                  },
1503   { MV_TURNING_RIGHT,           "turning right"                 },
1504   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1505   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1506   { MV_TURNING_RANDOM,          "turning random"                },
1507   { MV_MAZE_RUNNER,             "maze runner style"             },
1508   { MV_MAZE_HUNTER,             "maze hunter style"             },
1509   { MV_WHEN_PUSHED,             "when pushed"                   },
1510   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1511
1512   { -1,                         NULL                            }
1513 };
1514
1515 static struct ValueTextInfo options_move_direction[] =
1516 {
1517   { MV_START_AUTOMATIC,         "automatic"                     },
1518   { MV_START_LEFT,              "left"                          },
1519   { MV_START_RIGHT,             "right"                         },
1520   { MV_START_UP,                "up"                            },
1521   { MV_START_DOWN,              "down"                          },
1522   { MV_START_RANDOM,            "random"                        },
1523   { MV_START_PREVIOUS,          "previous"                      },
1524
1525   { -1,                         NULL                            }
1526 };
1527
1528 static struct ValueTextInfo options_move_stepsize[] =
1529 {
1530   { 0,                          "not moving"                    },
1531   { 1,                          "very slow"                     },
1532   { 2,                          "slow"                          },
1533   { 4,                          "normal"                        },
1534   { 8,                          "fast"                          },
1535   { 16,                         "very fast"                     },
1536   { 32,                         "even faster"                   },
1537
1538   { -1,                         NULL                            }
1539 };
1540
1541 static struct ValueTextInfo options_move_leave_type[] =
1542 {
1543   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1544   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1545
1546   { -1,                         NULL                            }
1547 };
1548
1549 static struct ValueTextInfo options_smash_targets[] =
1550 {
1551   { EP_CAN_SMASH_PLAYER,        "player"                        },
1552 #if 0
1553   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1554 #endif
1555   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1556
1557   { -1,                         NULL                            }
1558 };
1559
1560 static struct ValueTextInfo options_slippery_type[] =
1561 {
1562   { SLIPPERY_ANY_RANDOM,        "random"                        },
1563   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1564   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1565   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1566   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1567
1568   { -1,                         NULL                            }
1569 };
1570
1571 static struct ValueTextInfo options_deadliness[] =
1572 {
1573   { EP_DONT_RUN_INTO,           "running into"                  },
1574   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1575   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1576   { EP_DONT_TOUCH,              "touching"                      },
1577
1578   { -1,                         NULL                            }
1579 };
1580
1581 static struct ValueTextInfo options_explosion_type[] =
1582 {
1583   { EXPLODES_3X3,               "3x3"                           },
1584   { EXPLODES_CROSS,             "3+3"                           },
1585   { EXPLODES_1X1,               "1x1"                           },
1586
1587   { -1,                         NULL                            }
1588 };
1589
1590 static struct ValueTextInfo options_time_units[] =
1591 {
1592   { 1,                          "frames"                        },
1593   { FRAMES_PER_SECOND,          "seconds"                       },
1594
1595   { -1,                         NULL                            }
1596 };
1597
1598 static struct ValueTextInfo options_change_direct_action[] =
1599 {
1600   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1601   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1602   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1603   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1604   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1605   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1606   { CE_LEFT_BY_PLAYER,          "left by player"                },
1607   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1608   { CE_SWITCHED,                "switched"                      },
1609   { CE_HITTING_SOMETHING,       "hitting something"             },
1610   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1611 #if 0
1612   { CE_BLOCKED,                 "blocked"                       },
1613 #endif
1614   { CE_IMPACT,                  "impact (on something)"         },
1615   { CE_SMASHED,                 "smashed (from above)"          },
1616 #if 0
1617   { CE_VALUE_CHANGES,           "CE value changes"              },
1618   { CE_SCORE_CHANGES,           "CE score changes"              },
1619 #endif
1620   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1621   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1622
1623   { -1,                         NULL                            }
1624 };
1625
1626 static struct ValueTextInfo options_change_other_action[] =
1627 {
1628   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1629   { CE_PLAYER_PRESSES_X,        "player presses"                },
1630   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1631   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1632   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1633   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1634   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1635   { CE_PLAYER_DIGS_X,           "player digs"                   },
1636   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1637   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1638   { CE_TOUCHING_X,              "touching"                      },
1639   { CE_HITTING_X,               "hitting"                       },
1640   { CE_DIGGING_X,               "digging"                       },
1641   { CE_HIT_BY_X,                "hit by"                        },
1642   { CE_SWITCH_OF_X,             "switch of"                     },
1643   { CE_CHANGE_OF_X,             "change by page of"             },
1644   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1645   { CE_MOVE_OF_X,               "move of"                       },
1646   { CE_CREATION_OF_X,           "creation of"                   },
1647   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1648   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1649   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1650   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1651
1652   { -1,                         NULL                            }
1653 };
1654
1655 static struct ValueTextInfo options_change_trigger_side[] =
1656 {
1657   { CH_SIDE_LEFT,               "left"                          },
1658   { CH_SIDE_RIGHT,              "right"                         },
1659   { CH_SIDE_TOP,                "top"                           },
1660   { CH_SIDE_BOTTOM,             "bottom"                        },
1661   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1662   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1663   { CH_SIDE_ANY,                "any"                           },
1664
1665   { -1,                         NULL                            }
1666 };
1667
1668 static struct ValueTextInfo options_change_trigger_player[] =
1669 {
1670   { CH_PLAYER_1,                "1"                             },
1671   { CH_PLAYER_2,                "2"                             },
1672   { CH_PLAYER_3,                "3"                             },
1673   { CH_PLAYER_4,                "4"                             },
1674   { CH_PLAYER_ANY,              "any"                           },
1675
1676   { -1,                         NULL                            }
1677 };
1678
1679 static struct ValueTextInfo options_change_trigger_page[] =
1680 {
1681   { (1 << 0),                   "1"                             },
1682   { (1 << 1),                   "2"                             },
1683   { (1 << 2),                   "3"                             },
1684   { (1 << 3),                   "4"                             },
1685   { (1 << 4),                   "5"                             },
1686   { (1 << 5),                   "6"                             },
1687   { (1 << 6),                   "7"                             },
1688   { (1 << 7),                   "8"                             },
1689   { (1 << 8),                   "9"                             },
1690   { (1 << 9),                   "10"                            },
1691   { (1 << 10),                  "11"                            },
1692   { (1 << 11),                  "12"                            },
1693   { (1 << 12),                  "13"                            },
1694   { (1 << 13),                  "14"                            },
1695   { (1 << 14),                  "15"                            },
1696   { (1 << 15),                  "16"                            },
1697   { (1 << 16),                  "17"                            },
1698   { (1 << 17),                  "18"                            },
1699   { (1 << 18),                  "19"                            },
1700   { (1 << 19),                  "20"                            },
1701   { (1 << 20),                  "21"                            },
1702   { (1 << 21),                  "22"                            },
1703   { (1 << 22),                  "23"                            },
1704   { (1 << 23),                  "24"                            },
1705   { (1 << 24),                  "25"                            },
1706   { (1 << 25),                  "26"                            },
1707   { (1 << 26),                  "27"                            },
1708   { (1 << 27),                  "28"                            },
1709   { (1 << 28),                  "29"                            },
1710   { (1 << 29),                  "30"                            },
1711   { (1 << 30),                  "31"                            },
1712   { (1 << 31),                  "32"                            },
1713   { CH_PAGE_ANY,                "any"                           },
1714
1715   { -1,                         NULL                            }
1716 };
1717
1718 static struct ValueTextInfo options_change_replace_when[] =
1719 {
1720   { CP_WHEN_EMPTY,              "empty"                         },
1721   { CP_WHEN_WALKABLE,           "walkable"                      },
1722   { CP_WHEN_DIGGABLE,           "diggable"                      },
1723   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1724   { CP_WHEN_REMOVABLE,          "removable"                     },
1725   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1726
1727   { -1,                         NULL                            }
1728 };
1729
1730 static struct ValueTextInfo options_action_type[] =
1731 {
1732   { CA_NO_ACTION,               "no action"                     },
1733   { CA_UNDEFINED,               " "                             },
1734   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1735   { CA_RESTART_LEVEL,           "restart level"                 },
1736   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1737   { CA_SET_LEVEL_TIME,          "set time"                      },
1738   { CA_SET_LEVEL_SCORE,         "set score"                     },
1739   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1740   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1741   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1742   { CA_UNDEFINED,               " "                             },
1743   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1744   { CA_MOVE_PLAYER,             "move player"                   },
1745   { CA_EXIT_PLAYER,             "exit player"                   },
1746   { CA_KILL_PLAYER,             "kill player"                   },
1747   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1748   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1749   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1750   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1751   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1752   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1753   { CA_UNDEFINED,               " "                             },
1754   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1755   { CA_SET_CE_VALUE,            "set CE value"                  },
1756   { CA_SET_CE_SCORE,            "set CE score"                  },
1757   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1758   { CA_UNDEFINED,               " "                             },
1759   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1760   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1761
1762   { -1,                         NULL                            }
1763 };
1764
1765 static struct ValueTextInfo options_action_mode_none[] =
1766 {
1767   { CA_MODE_UNDEFINED,          " "                             },
1768
1769   { -1,                         NULL                            }
1770 };
1771
1772 static struct ValueTextInfo options_action_mode_assign[] =
1773 {
1774   { CA_MODE_SET,                "="                             },
1775
1776   { -1,                         NULL                            }
1777 };
1778
1779 static struct ValueTextInfo options_action_mode_add_remove[] =
1780 {
1781   { CA_MODE_ADD,                "+"                             },
1782   { CA_MODE_SUBTRACT,           "-"                             },
1783
1784   { -1,                         NULL                            }
1785 };
1786
1787 static struct ValueTextInfo options_action_mode_calculate[] =
1788 {
1789   { CA_MODE_SET,                "="                             },
1790   { CA_MODE_ADD,                "+"                             },
1791   { CA_MODE_SUBTRACT,           "-"                             },
1792   { CA_MODE_MULTIPLY,           "*"                             },
1793   { CA_MODE_DIVIDE,             "/"                             },
1794   { CA_MODE_MODULO,             "%"                             },
1795
1796   { -1,                         NULL                            }
1797 };
1798
1799 static struct ValueTextInfo options_action_arg_none[] =
1800 {
1801   { CA_ARG_UNDEFINED,           "         "                     },
1802
1803   { -1,                         NULL                            }
1804 };
1805
1806 static struct ValueTextInfo options_action_arg_player[] =
1807 {
1808   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1809   { CA_ARG_PLAYER_1,            "1"                             },
1810   { CA_ARG_PLAYER_2,            "2"                             },
1811   { CA_ARG_PLAYER_3,            "3"                             },
1812   { CA_ARG_PLAYER_4,            "4"                             },
1813   { CA_ARG_PLAYER_ANY,          "any"                           },
1814   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1815   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1816
1817   { -1,                         NULL                            }
1818 };
1819
1820 static struct ValueTextInfo options_action_arg_number[] =
1821 {
1822   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1823   { CA_ARG_0,                   "0"                             },
1824   { CA_ARG_1,                   "1"                             },
1825   { CA_ARG_2,                   "2"                             },
1826   { CA_ARG_3,                   "3"                             },
1827   { CA_ARG_4,                   "4"                             },
1828   { CA_ARG_5,                   "5"                             },
1829   { CA_ARG_10,                  "10"                            },
1830   { CA_ARG_100,                 "100"                           },
1831   { CA_ARG_1000,                "1000"                          },
1832   { CA_ARG_UNDEFINED,           " "                             },
1833   { CA_ARG_NUMBER_MIN,          "min"                           },
1834   { CA_ARG_NUMBER_MAX,          "max"                           },
1835   { CA_ARG_UNDEFINED,           " "                             },
1836   { CA_ARG_NUMBER_RESET,        "reset"                         },
1837   { CA_ARG_UNDEFINED,           " "                             },
1838   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1839   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1840   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1841   { CA_ARG_UNDEFINED,           " "                             },
1842   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1843   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1844   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1845   { CA_ARG_UNDEFINED,           " "                             },
1846   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1847   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1848   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1849   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1850   { CA_ARG_UNDEFINED,           " "                             },
1851   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1852   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1853   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1854   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1855
1856   { -1,                         NULL                            }
1857 };
1858
1859 static struct ValueTextInfo options_action_arg_value[] =
1860 {
1861   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1862   { CA_ARG_0,                   "0"                             },
1863   { CA_ARG_1,                   "1"                             },
1864   { CA_ARG_2,                   "2"                             },
1865   { CA_ARG_3,                   "3"                             },
1866   { CA_ARG_4,                   "4"                             },
1867   { CA_ARG_5,                   "5"                             },
1868   { CA_ARG_10,                  "10"                            },
1869   { CA_ARG_100,                 "100"                           },
1870   { CA_ARG_1000,                "1000"                          },
1871   { CA_ARG_UNDEFINED,           " "                             },
1872   { CA_ARG_NUMBER_MIN,          "min"                           },
1873   { CA_ARG_NUMBER_MAX,          "max"                           },
1874   { CA_ARG_UNDEFINED,           " "                             },
1875   { CA_ARG_NUMBER_RESET,        "reset"                         },
1876   { CA_ARG_UNDEFINED,           " "                             },
1877   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1878   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1879   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1880   { CA_ARG_UNDEFINED,           " "                             },
1881   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1882   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1883   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1884   { CA_ARG_UNDEFINED,           " "                             },
1885   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1886   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1887   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1888   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1889   { CA_ARG_UNDEFINED,           " "                             },
1890   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1891   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1892   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1893   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1894   { CA_ARG_UNDEFINED,           " "                             },
1895   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1896   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1897   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1898   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1899
1900   { -1,                         NULL                            }
1901 };
1902
1903 static struct ValueTextInfo options_action_arg_envelope[] =
1904 {
1905   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1906   { CA_ARG_1,                   "1"                             },
1907   { CA_ARG_2,                   "2"                             },
1908   { CA_ARG_3,                   "3"                             },
1909   { CA_ARG_4,                   "4"                             },
1910   { CA_ARG_UNDEFINED,           " "                             },
1911   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1912   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1913   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1914   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1915
1916   { -1,                         NULL                            }
1917 };
1918
1919 static struct ValueTextInfo options_action_arg_key[] =
1920 {
1921   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1922   { CA_ARG_1,                   "1"                             },
1923   { CA_ARG_2,                   "2"                             },
1924   { CA_ARG_3,                   "3"                             },
1925   { CA_ARG_4,                   "4"                             },
1926   { CA_ARG_5,                   "5"                             },
1927   { CA_ARG_6,                   "6"                             },
1928   { CA_ARG_7,                   "7"                             },
1929   { CA_ARG_8,                   "8"                             },
1930   { CA_ARG_UNDEFINED,           " "                             },
1931   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1932   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1933   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1934   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1935
1936   { -1,                         NULL                            }
1937 };
1938
1939 static struct ValueTextInfo options_action_arg_speed[] =
1940 {
1941   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1942   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1943   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1944   { CA_ARG_SPEED_SLOW,          "slow"                          },
1945   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1946   { CA_ARG_SPEED_FAST,          "fast"                          },
1947   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1948   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1949   { CA_ARG_UNDEFINED,           " "                             },
1950   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1951   { CA_ARG_SPEED_FASTER,        "faster"                        },
1952   { CA_ARG_UNDEFINED,           " "                             },
1953   { CA_ARG_SPEED_RESET,         "reset"                         },
1954
1955   { -1,                         NULL                            }
1956 };
1957
1958 static struct ValueTextInfo options_action_arg_shield[] =
1959 {
1960   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1961   { CA_ARG_SHIELD_OFF,          "off"                           },
1962   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1963   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1964
1965   { -1,                         NULL                            }
1966 };
1967
1968 static struct ValueTextInfo options_action_arg_artwork[] =
1969 {
1970   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1971   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1972   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1973   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1974   { CA_ARG_UNDEFINED,           " "                             },
1975   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1976
1977   { -1,                         NULL                            }
1978 };
1979
1980 static struct ValueTextInfo options_action_arg_gravity[] =
1981 {
1982   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1983   { CA_ARG_GRAVITY_ON,          "on"                            },
1984   { CA_ARG_GRAVITY_OFF,         "off"                           },
1985   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1986
1987   { -1,                         NULL                            }
1988 };
1989
1990 static struct ValueTextInfo options_action_arg_direction[] =
1991 {
1992   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1993   { CA_ARG_DIRECTION_NONE,      "none"                          },
1994   { CA_ARG_DIRECTION_LEFT,      "left"                          },
1995   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
1996   { CA_ARG_DIRECTION_UP,        "up"                            },
1997   { CA_ARG_DIRECTION_DOWN,      "down"                          },
1998   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
1999   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2000
2001   { -1,                         NULL                            }
2002 };
2003
2004 static struct ValueTextInfo options_action_arg_scan_mode[] =
2005 {
2006   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2007   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2008   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2009
2010   { -1,                         NULL                            }
2011 };
2012
2013 static struct ValueTextInfo options_action_arg_inventory[] =
2014 {
2015   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2016   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2017   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2018   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2019   { CA_ARG_UNDEFINED,           " "                             },
2020   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2021   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2022   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2023   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2024   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2025   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2026   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2027   { CA_ARG_UNDEFINED,           " "                             },
2028   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2029
2030   { -1,                         NULL                            }
2031 };
2032
2033 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2034 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2035 {
2036   { -1,                         NULL                            }
2037 };
2038
2039 static struct ValueTextInfo options_group_choice_mode[] =
2040 {
2041   { ANIM_RANDOM,                "random"                        },
2042   { ANIM_LOOP,                  "loop"                          },
2043   { ANIM_LINEAR,                "linear"                        },
2044   { ANIM_PINGPONG,              "pingpong"                      },
2045   { ANIM_PINGPONG2,             "pingpong 2"                    },
2046
2047   { -1,                         NULL                            }
2048 };
2049
2050 static struct ValueTextInfo *action_arg_modes[] =
2051 {
2052   options_action_mode_none,
2053   options_action_mode_assign,
2054   options_action_mode_add_remove,
2055   options_action_mode_calculate,
2056 };
2057
2058 static struct
2059 {
2060   int value;
2061   int mode;
2062   struct ValueTextInfo *options;
2063 }
2064 action_arg_options[] =
2065 {
2066   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2067   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2068   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2069   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2070   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2071   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2072   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2073   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2074   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2075   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2076   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2077   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2078   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2079   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2080   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2081   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2082   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2083   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2084   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2085   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2086   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2087
2088   { -1,                         FALSE,  NULL                            }
2089 };
2090
2091 static struct
2092 {
2093   int x, y;
2094   int gadget_id;
2095   int gadget_id_align;
2096   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2097   struct ValueTextInfo *options;
2098   int *value;
2099   char *text_left, *text_right, *infotext;
2100 } selectbox_info[ED_NUM_SELECTBOX] =
2101 {
2102   /* ---------- level and editor settings ---------------------------------- */
2103
2104   {
2105     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2106     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2107     -1,
2108     options_time_or_steps,
2109     &level.use_step_counter,
2110     NULL, "(0 => no limit)",            "time or step limit"
2111   },
2112   {
2113     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2114     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2115     -1,
2116     options_game_engine_type,
2117     &level.game_engine_type,
2118     "game engine:", NULL,               "game engine"
2119   },
2120   {
2121     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2122     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2123     -1,
2124     options_wind_direction,
2125     &level.wind_direction_initial,
2126     "initial wind direction:", NULL,    "initial wind direction"
2127   },
2128
2129   /* ---------- element settings: configure (several elements) ------------- */
2130
2131   {
2132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2133     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2134     -1,
2135     options_player_speed,
2136     &level.initial_player_stepsize[0],
2137     "initial player speed:", NULL,      "initial player speed"
2138   },
2139
2140   /* ---------- element settings: configure 1 (custom elements) ------------ */
2141
2142   {
2143     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2144     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2145     -1,
2146     options_access_type,
2147     &custom_element.access_type,
2148     NULL, NULL,                         "type of access to this field"
2149   },
2150   {
2151     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2152     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2153     -1,
2154     options_access_layer,
2155     &custom_element.access_layer,
2156     NULL, NULL,                         "layer of access for this field"
2157   },
2158   {
2159     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2160     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2161     -1,
2162     options_access_protected,
2163     &custom_element.access_protected,
2164     NULL, NULL,                         "protected access for this field"
2165   },
2166   {
2167     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2168     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2169     -1,
2170     options_access_direction,
2171     &custom_element.access_direction,
2172     "from", NULL,                       "access direction for this field"
2173   },
2174   {
2175     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2176     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2177     -1,
2178     options_walk_to_action,
2179     &custom_element.walk_to_action,
2180     NULL, NULL,                         "diggable/collectible/pushable"
2181   },
2182
2183   /* ---------- element settings: configure 2 (custom elements) ------------ */
2184
2185   {
2186     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2187     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2188     -1,
2189     options_move_pattern,
2190     &custom_element.move_pattern,
2191     "can move", NULL,                   "element move pattern"
2192   },
2193   {
2194     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2195     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2196     -1,
2197     options_move_direction,
2198     &custom_element.move_direction_initial,
2199     "starts moving", NULL,              "initial element move direction"
2200   },
2201   {
2202     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2203     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2204     -1,
2205     options_move_stepsize,
2206     &custom_element.move_stepsize,
2207     "move/fall speed", NULL,            "speed of element movement"
2208   },
2209   {
2210     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2211     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2212     -1,
2213     options_move_leave_type,
2214     &custom_element.move_leave_type,
2215     "can dig:    can", ":",             "leave behind or change element"
2216   },
2217   {
2218     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2219     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2220     -1,
2221     options_smash_targets,
2222     &custom_element.smash_targets,
2223     "can smash", NULL,                  "elements that can be smashed"
2224   },
2225   {
2226     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2227     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2228     -1,
2229     options_slippery_type,
2230     &custom_element.slippery_type,
2231     "slippery", NULL,                   "where other elements fall down"
2232   },
2233   {
2234     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2235     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2236     -1,
2237     options_deadliness,
2238     &custom_element.deadliness,
2239     "deadly when", NULL,                "deadliness of element"
2240   },
2241   {
2242     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2243     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2244     -1,
2245     options_explosion_type,
2246     &custom_element.explosion_type,
2247     "can explode", NULL,                "explosion type"
2248   },
2249
2250   /* ---------- element settings: advanced (custom elements) --------------- */
2251
2252   {
2253     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2254     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2255     -1,
2256     options_time_units,
2257     &custom_element_change.delay_frames,
2258     "delay time given in", NULL,        "delay time units for change"
2259   },
2260   {
2261     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2262     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2263     -1,
2264     options_change_direct_action,
2265     &custom_element_change.direct_action,
2266     NULL, NULL,                         "type of direct action"
2267   },
2268   {
2269     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2270     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2271     -1,
2272     options_change_other_action,
2273     &custom_element_change.other_action,
2274     NULL, "element:",                   "type of other element action"
2275   },
2276   {
2277     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2278     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2279     -1,
2280     options_change_trigger_side,
2281     &custom_element_change.trigger_side,
2282     "at", "side",                       "element side triggering change"
2283   },
2284   {
2285     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2286     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2287     -1,
2288     options_change_trigger_player,
2289     &custom_element_change.trigger_player,
2290     "player:", " ",                     "player that causes change"
2291   },
2292   {
2293     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2294     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2295     -1,
2296     options_change_trigger_page,
2297     &custom_element_change.trigger_page,
2298     "page:", NULL,                      "change page that causes change"
2299   },
2300   {
2301     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2302     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2303     -1,
2304     options_change_replace_when,
2305     &custom_element_change.replace_when,
2306     "replace when", NULL,               "which elements can be replaced"
2307   },
2308   {
2309     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2310     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2311     -1,
2312     options_action_type,
2313     &custom_element_change.action_type,
2314     NULL, NULL,                         "action on specified condition"
2315   },
2316   {
2317     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2318     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2319     -1,
2320     options_action_mode_none,
2321     &custom_element_change.action_mode,
2322     NULL, NULL,                         "action operator"
2323   },
2324   {
2325     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2326     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2327     -1,
2328     options_action_arg_none,
2329     &custom_element_change.action_arg,
2330     NULL, NULL,                         "action parameter"
2331   },
2332   {
2333     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2334     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2335     3,
2336     options_change_page,
2337     &custom_element.current_change_page,
2338     NULL, NULL,                         "element change page"
2339   },
2340
2341   /* ---------- element settings: configure (group elements) --------------- */
2342
2343   {
2344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2345     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2346     -1,
2347     options_group_choice_mode,
2348     &group_element_info.choice_mode,
2349     "choice type:", NULL,               "type of group element choice"
2350   },
2351 };
2352
2353 static struct
2354 {
2355   int x, y;
2356   int gadget_id;
2357   int gadget_id_align;
2358   int size;
2359   char *text;
2360   char *text_left, *text_right, *infotext;
2361 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2362 {
2363   {
2364     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2365     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2366     8,                                  "Level",
2367     NULL, NULL,                         "Configure level properties"
2368   },
2369   {
2370     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2371     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2372     8,                                  "Editor",
2373     NULL, NULL,                         "Configure editor properties"
2374   },
2375   {
2376     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2377     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2378     8,                                  "Info",
2379     NULL, NULL,                         "Show information about element"
2380   },
2381   {
2382     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2383     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2384     8,                                  "Config",
2385     NULL, NULL,                         "Configure element properties"
2386   },
2387   {
2388     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2389     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2390     8,                                  "Config 1",
2391     NULL, NULL,                         "Configure element properties, part 1"
2392   },
2393   {
2394     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2395     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2396     8,                                  "Config 2",
2397     NULL, NULL,                         "Configure element properties, part 2"
2398   },
2399   {
2400     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2401     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2402     8,                                  "Change",
2403     NULL, NULL,                         "Configure custom element change pages"
2404   },
2405   {
2406     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2407     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2408     -1,                                 "Save",
2409     " ", "As Template",                 "Save current settings as new template"
2410   },
2411   {
2412     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2413     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2414     -1,                                 "New",
2415     NULL, NULL,                         "Add new change page"
2416   },
2417   {
2418     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2419     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2420     -1,                                 "Delete",
2421     NULL, NULL,                         "Delete current change page"
2422   },
2423 };
2424
2425 static struct
2426 {
2427   int gd_x, gd_y;
2428   int x, y;
2429   int width, height;
2430   int gadget_id;
2431   int gadget_id_align;
2432   char *text_left, *text_right, *infotext;
2433 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2434 {
2435   {
2436     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2437     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2438     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2439     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2440     NULL, NULL,                         "select previous change page"
2441   },
2442   {
2443     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2444     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2445     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2446     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2447     NULL, "change page",                "select next change page"
2448   },
2449   {
2450     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2451     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2452     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2453     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2454     " ", NULL,                          "copy settings from this change page"
2455   },
2456   {
2457     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2459     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2460     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2461     NULL, NULL,                         "paste settings to this change page"
2462   },
2463 };
2464
2465 static struct
2466 {
2467   int gd_x, gd_y;
2468   int x, y;
2469   int gadget_id;
2470   char *infotext;
2471 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2472 {
2473   {
2474     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
2475     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
2476     GADGET_ID_SCROLL_UP,
2477     "scroll level editing area up"
2478   },
2479   {
2480     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
2481     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
2482     GADGET_ID_SCROLL_DOWN,
2483     "scroll level editing area down"
2484   },
2485   {
2486     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
2487     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
2488     GADGET_ID_SCROLL_LEFT,
2489     "scroll level editing area left"
2490   },
2491   {
2492     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
2493     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
2494     GADGET_ID_SCROLL_RIGHT,
2495     "scroll level editing area right"
2496   },
2497   {
2498     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
2499     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
2500     GADGET_ID_SCROLL_LIST_UP,
2501     "scroll element list up ('Page Up')"
2502   },
2503   {
2504     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
2505     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
2506     GADGET_ID_SCROLL_LIST_DOWN,
2507     "scroll element list down ('Page Down')"
2508   },
2509 };
2510
2511 static struct
2512 {
2513   int gd_x, gd_y;
2514   int x, y;
2515   int width, height;
2516   int wheel_x, wheel_y;
2517   int wheel_width, wheel_height;
2518   int type;
2519   int gadget_id;
2520   char *infotext;
2521 } scrollbar_info[ED_NUM_SCROLLBARS] =
2522 {
2523   {
2524     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2525     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
2526     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
2527 #if 1
2528     SX,                                 SY,
2529     SXSIZE,                             SYSIZE,
2530 #else
2531     0,                                  0,
2532     SX + SXSIZE + SX,                   WIN_YSIZE,
2533 #endif
2534     GD_TYPE_SCROLLBAR_HORIZONTAL,
2535     GADGET_ID_SCROLL_HORIZONTAL,
2536     "scroll level editing area horizontally"
2537   },
2538   {
2539     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2540     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
2541     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
2542 #if 1
2543     SX,                                 SY,
2544     SXSIZE,                             SYSIZE,
2545 #else
2546     0,                                  0,
2547     SX + SXSIZE + SX,                   WIN_YSIZE,
2548 #endif
2549     GD_TYPE_SCROLLBAR_VERTICAL,
2550     GADGET_ID_SCROLL_VERTICAL,
2551     "scroll level editing area vertically"
2552   },
2553   {
2554     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
2555     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
2556     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2557 #if 1
2558     DX,                                 DY,
2559     DXSIZE,                             DYSIZE,
2560 #else
2561     SX + SXSIZE + SX,                   0,
2562     WIN_XSIZE - (SX + SXSIZE + SX),     WIN_YSIZE,
2563 #endif
2564     GD_TYPE_SCROLLBAR_VERTICAL,
2565     GADGET_ID_SCROLL_LIST_VERTICAL,
2566     "scroll element list vertically"
2567   }
2568 };
2569
2570 static struct
2571 {
2572   int x, y;
2573   int gadget_id;
2574   int gadget_id_align;
2575   int radio_button_nr;
2576   int *value;
2577   int checked_value;
2578   char *text_left, *text_right, *infotext;
2579 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2580 {
2581   {
2582     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2583     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2584     RADIO_NR_RANDOM_ELEMENTS,
2585     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2586     " ", "percentage",                  "use percentage for random elements"
2587   },
2588   {
2589     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2590     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2591     RADIO_NR_RANDOM_ELEMENTS,
2592     &random_placement_method,           RANDOM_USE_QUANTITY,
2593     " ", "quantity",                    "use quantity for random elements"
2594   }
2595 };
2596
2597 static struct
2598 {
2599   int x, y;
2600   int gadget_id;
2601   int gadget_id_align;
2602   boolean *value;
2603   char *text_left, *text_right, *infotext;
2604 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2605 {
2606   /* ---------- level and editor settings ---------------------------------- */
2607
2608   {
2609     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2610     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2611     &random_placement_background_restricted,
2612     NULL,
2613     "restrict random placement to:",    "set random placement restriction"
2614   },
2615
2616   /* ---------- element settings: configure (various elements) ------------- */
2617
2618   {
2619     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2620     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2621     &stick_element_properties_window,
2622     NULL,
2623     "stick this screen to edit content","stick this screen to edit content"
2624   },
2625   {
2626     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2627     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2628     &level.em_slippery_gems,
2629     NULL,
2630     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2631   },
2632   {
2633     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2634     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2635     &level.em_explodes_by_fire,
2636     NULL,
2637     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2638   },
2639   {
2640     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2641     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2642     &level.use_spring_bug,
2643     NULL,
2644     "use spring pushing bug",           "use odd spring pushing behaviour"
2645   },
2646   {
2647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2648     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2649     &level.use_time_orb_bug,
2650     NULL,
2651     "use time orb bug",                 "use odd time orb behaviour"
2652   },
2653   {
2654     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2655     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2656     &level.ball_random,
2657     NULL,
2658     "create single random element",     "only create one element from content"
2659   },
2660   {
2661     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2662     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2663     &level.ball_state_initial,
2664     NULL,
2665     "magic ball initially activated",   "activate magic ball after level start"
2666   },
2667   {
2668     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2669     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2670     &level.grow_into_diggable,
2671     NULL,
2672     "can grow into anything diggable",  "grow into more than just sand"
2673   },
2674   {
2675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2676     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2677     &level.continuous_snapping,
2678     NULL,
2679     "continuos snapping",               "use snapping without releasing key"
2680   },
2681   {
2682     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2683     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2684     &level.block_snap_field,
2685     NULL,
2686     "block snapped field when snapping", "use snapping delay to show animation"
2687   },
2688   {
2689     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2690     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2691     &level.block_last_field,
2692     NULL,
2693     "block last field when moving",     "player blocks last field when moving"
2694   },
2695   {
2696     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2697     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2698     &level.sp_block_last_field,
2699     NULL,
2700     "block last field when moving",     "player blocks last field when moving"
2701   },
2702   {
2703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2704     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2705     &level.instant_relocation,
2706     NULL,
2707     "no scrolling when relocating",     "player gets relocated without delay"
2708   },
2709   {
2710     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2711     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2712     &level.shifted_relocation,
2713     NULL,
2714     "no centering when relocating",     "level not centered after relocation"
2715   },
2716   {
2717     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2718     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2719     &level.use_start_element[0],
2720     NULL,
2721     "use level start element:",        "start level at this element's position"
2722   },
2723   {
2724     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2725     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2726     &level.use_artwork_element[0],
2727     NULL,
2728     "use artwork from element:",        "use player artwork from other element"
2729   },
2730   {
2731     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2732     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2733     &level.use_explosion_element[0],
2734     NULL,
2735     "use explosion from element:",      "use explosion properties from element"
2736   },
2737   {
2738     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2739     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2740     &level.initial_player_gravity[0],
2741     NULL,
2742     "use initial gravity",              "set initial player gravity"
2743   },
2744   {
2745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2746     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2747     &level.use_initial_inventory[0],
2748     NULL,
2749     "use initial inventory:",           "use collected elements on level start"
2750   },
2751   {
2752     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2753     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2754     &level.can_pass_to_walkable,
2755     NULL,
2756     "can pass to walkable element",     "player can pass to empty or walkable"
2757   },
2758   {
2759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2760     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2761     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2762     NULL,
2763     "can fall into acid (with gravity)","player can fall into acid pool"
2764   },
2765   {
2766     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2767     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2768     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2769     NULL,
2770     "can move into acid",               "element can move into acid pool"
2771   },
2772   {
2773     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2774     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2775     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2776     NULL,
2777     "deadly when colliding with",       "element is deadly when hitting player"
2778   },
2779   {
2780     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2781     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2782     &level.envelope[0].autowrap,
2783     NULL,
2784     "auto-wrap",                        "automatically wrap envelope text"
2785   },
2786   {
2787     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2788     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2789     &level.envelope[0].centered,
2790     " ",
2791     "centered",                         "automatically center envelope text"
2792   },
2793
2794   /* ---------- element settings: configure 1 (custom elements) ----------- */
2795
2796   {
2797     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2798     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2799     &custom_element.use_gfx_element,
2800
2801     /* !!! add separate "use existing element sound" !!! */
2802 #if 0
2803     NULL,
2804     "use graphic/sound of element:",    "use existing graphic and sound"
2805 #else
2806     NULL,
2807     "use graphic of element:",          "use existing element graphic"
2808 #endif
2809   },
2810   {
2811     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2812     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2813     &level.use_custom_template,
2814     NULL,
2815     "use template",                     "use template for custom properties"
2816   },
2817   {
2818     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2819     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2820     &custom_element_properties[EP_ACCESSIBLE],
2821     NULL,
2822     NULL,                               "player can walk to or pass this field"
2823   },
2824   {
2825     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2826     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2827     &custom_element_properties[EP_GRAVITY_REACHABLE],
2828     NULL,
2829     "reachable despite gravity",        "player can walk/dig despite gravity"
2830   },
2831   {
2832     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2833     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2834     &custom_element.use_last_ce_value,
2835     NULL,
2836     "use last CE value after change",   "use last CE value after change"
2837   },
2838   {
2839     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2840     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2841     &custom_element_properties[EP_WALK_TO_OBJECT],
2842     NULL,
2843     NULL,                               "player can dig/collect/push element"
2844   },
2845   {
2846     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2847     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2848     &custom_element_properties[EP_INDESTRUCTIBLE],
2849     NULL,
2850     "indestructible",                   "element is indestructible"
2851   },
2852
2853   /* ---------- element settings: configure 2 (custom elements) ----------- */
2854
2855   {
2856     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2857     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2858     &custom_element_properties[EP_CAN_MOVE],
2859     NULL,
2860     NULL,                               "element can move with some pattern"
2861   },
2862   {
2863     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2864     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2865     &custom_element_properties[EP_CAN_FALL],
2866     NULL,
2867     "can fall",                         "element can fall down"
2868   },
2869   {
2870     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2871     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2872     &custom_element_properties[EP_CAN_SMASH],
2873     " ",
2874     NULL,                               "element can smash other elements"
2875   },
2876   {
2877     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2878     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2879     &custom_element_properties[EP_SLIPPERY],
2880     NULL,
2881     NULL,                               "other elements can fall down from it"
2882   },
2883   {
2884     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2885     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2886     &custom_element_properties[EP_DEADLY],
2887     NULL,
2888     NULL,                               "element can kill the player"
2889   },
2890   {
2891     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2892     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2893     &custom_element_properties[EP_CAN_EXPLODE],
2894     NULL,
2895     NULL,                               "element can explode"
2896   },
2897   {
2898     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2899     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2900     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2901     NULL,
2902     "by fire",                          "element can explode by fire/explosion"
2903   },
2904   {
2905     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2906     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2907     &custom_element_properties[EP_EXPLODES_SMASHED],
2908     " ",
2909     "smashed",                          "element can explode when smashed"
2910   },
2911   {
2912     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2913     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2914     &custom_element_properties[EP_EXPLODES_IMPACT],
2915     " ",
2916     "impact",                           "element can explode on impact"
2917   },
2918
2919   /* ---------- element settings: advanced (custom elements) --------------- */
2920
2921   {
2922     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2923     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2924     &custom_element_change.can_change,
2925     NULL,
2926     "element changes to:",              "change element on specified condition"
2927   },
2928   {
2929     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2930     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2931     &custom_element_change_events[CE_DELAY],
2932     NULL,
2933     NULL,                               "element changes after delay"
2934   },
2935   {
2936     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2937     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2938     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2939     NULL,
2940     NULL,                               "element changes by direct action"
2941   },
2942   {
2943     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2944     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2945     &custom_element_change_events[CE_BY_OTHER_ACTION],
2946     NULL,
2947     NULL,                               "element changes by other element"
2948   },
2949   {
2950     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2951     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2952     &custom_element_change.explode,
2953     NULL,
2954     "explode instead of change",        "element explodes instead of change"
2955   },
2956   {
2957     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2958     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2959     &custom_element_change.use_target_content,
2960     NULL,
2961     "use extended change target:",      "element changes to more elements"
2962   },
2963   {
2964     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2965     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2966     &custom_element_change.only_if_complete,
2967     NULL,
2968     "replace all or nothing",           "only replace when all can be changed"
2969   },
2970   {
2971     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
2972     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2973     &custom_element_change.use_random_replace,
2974     NULL,
2975     NULL,                               "use percentage for random replace"
2976   },
2977   {
2978     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2979     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
2980     &custom_element_change.has_action,
2981     NULL,
2982     NULL,                               "execute action on specified condition"
2983   },
2984 };
2985
2986 static struct
2987 {
2988   int x, y;
2989   int gadget_id;
2990   int gadget_id_align;
2991   int *value;
2992   int area_xsize, area_ysize;
2993   char *text_left, *text_right, *text_below, *infotext;
2994 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2995 {
2996   /* ---------- level playfield content ------------------------------------ */
2997
2998   {
2999     0,                                  0,
3000     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3001     NULL,                               MAX_ED_FIELDX, MAX_ED_FIELDY,
3002     NULL, NULL, NULL,                   NULL
3003   },
3004
3005   /* ---------- yam yam content -------------------------------------------- */
3006
3007   {
3008     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3009     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3010     &level.yamyam_content[0].e[0][0],   3, 3,
3011     NULL, NULL, "1",                    NULL
3012   },
3013   {
3014     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3015     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3016     &level.yamyam_content[1].e[0][0],   3, 3,
3017     NULL, NULL, "2",                    NULL
3018   },
3019   {
3020     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3021     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3022     &level.yamyam_content[2].e[0][0],   3, 3,
3023     NULL, NULL, "3",                    NULL
3024   },
3025   {
3026     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3027     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3028     &level.yamyam_content[3].e[0][0],   3, 3,
3029     NULL, NULL, "4",                    NULL
3030   },
3031   {
3032     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3033     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3034     &level.yamyam_content[4].e[0][0],   3, 3,
3035     NULL, NULL, "5",                    NULL
3036   },
3037   {
3038     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3039     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3040     &level.yamyam_content[5].e[0][0],   3, 3,
3041     NULL, NULL, "6",                    NULL
3042   },
3043   {
3044     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3045     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3046     &level.yamyam_content[6].e[0][0],   3, 3,
3047     NULL, NULL, "7",                    NULL
3048   },
3049   {
3050     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3051     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3052     &level.yamyam_content[7].e[0][0],   3, 3,
3053     NULL, NULL, "8",                    NULL
3054   },
3055
3056   /* ---------- magic ball content ----------------------------------------- */
3057
3058   {
3059     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3060     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3061     &level.ball_content[0].e[0][0],     3, 3,
3062     NULL, NULL, "1",                    NULL
3063   },
3064   {
3065     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3066     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3067     &level.ball_content[1].e[0][0],     3, 3,
3068     NULL, NULL, "2",                    NULL
3069   },
3070   {
3071     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3072     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3073     &level.ball_content[2].e[0][0],     3, 3,
3074     NULL, NULL, "3",                    NULL
3075   },
3076   {
3077     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3078     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3079     &level.ball_content[3].e[0][0],     3, 3,
3080     NULL, NULL, "4",                    NULL
3081   },
3082   {
3083     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3084     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3085     &level.ball_content[4].e[0][0],     3, 3,
3086     NULL, NULL, "5",                    NULL
3087   },
3088   {
3089     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3090     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3091     &level.ball_content[5].e[0][0],     3, 3,
3092     NULL, NULL, "6",                    NULL
3093   },
3094   {
3095     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3096     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3097     &level.ball_content[6].e[0][0],     3, 3,
3098     NULL, NULL, "7",                    NULL
3099   },
3100   {
3101     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3102     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3103     &level.ball_content[7].e[0][0],     3, 3,
3104     NULL, NULL, "8",                    NULL
3105   },
3106
3107   /* ---------- android content -------------------------------------------- */
3108
3109   {
3110     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3111     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3112     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3113     "elements:", NULL, NULL,            "elements android can clone"
3114   },
3115
3116   /* ---------- amoeba content --------------------------------------------- */
3117
3118   {
3119     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3120     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3121     &level.amoeba_content,              1, 1,
3122     "content:", NULL, NULL,             "amoeba content"
3123   },
3124
3125   /* ---------- level start element ---------------------------------------- */
3126
3127   {
3128     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3129     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3130     &level.start_element[0],            1, 1,
3131     NULL, NULL, NULL,                   "level start element"
3132   },
3133
3134   /* ---------- player artwork element ------------------------------------- */
3135
3136   {
3137     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3138     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3139     &level.artwork_element[0],          1, 1,
3140     NULL, NULL, NULL,                   "element for player artwork"
3141   },
3142
3143   /* ---------- player explosion element ----------------------------------- */
3144
3145   {
3146     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3147     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3148     &level.explosion_element[0],        1, 1,
3149     NULL, NULL, NULL,                   "element for player explosion"
3150   },
3151
3152   /* ---------- player initial inventory ----------------------------------- */
3153
3154   {
3155     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3156     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3157     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3158     NULL, NULL, NULL,                   "content for initial inventory"
3159   },
3160
3161   /* ---------- element settings: configure 1 (custom elements) ----------- */
3162
3163   /* ---------- custom graphic --------------------------------------------- */
3164
3165   {
3166     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3167     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3168     &custom_element.gfx_element_initial,1, 1,
3169     NULL, NULL, NULL,                   "custom graphic element"
3170   },
3171
3172   /* ---------- element settings: configure 2 (custom elements) ----------- */
3173
3174   /* ---------- custom content (when exploding) ---------------------------- */
3175
3176   {
3177     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3178     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3179     &custom_element.content.e[0][0],    3, 3,
3180     "content:", NULL, NULL,             NULL
3181   },
3182
3183   /* ---------- custom enter and leave element (when moving) --------------- */
3184
3185   {
3186     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3187     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3188     &custom_element.move_enter_element, 1, 1,
3189     "can dig:", " ", NULL,              "element that can be digged/collected"
3190   },
3191   {
3192     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3193     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3194     &custom_element.move_leave_element, 1, 1,
3195     NULL, NULL, NULL,                   "element that will be left behind"
3196   },
3197
3198   /* ---------- element settings: advanced (custom elements) --------------- */
3199
3200   /* ---------- custom change target --------------------------------------- */
3201
3202   {
3203     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3204     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3205     &custom_element_change.target_element, 1, 1,
3206     NULL, "after/when:", NULL,          "new target element after change"
3207   },
3208
3209   /* ---------- custom change content (extended change target) ------------- */
3210
3211   {
3212     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3213     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3214     &custom_element_change.target_content.e[0][0], 3, 3,
3215     NULL, NULL, NULL,                   "new extended elements after change"
3216   },
3217
3218   /* ---------- custom change trigger (element causing change) ------------- */
3219
3220   {
3221     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3222     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3223     &custom_element_change.initial_trigger_element, 1, 1,
3224     NULL, NULL, NULL,                   "other element triggering change"
3225   },
3226
3227   /* ---------- custom change action (element used for action) ------------- */
3228
3229   {
3230     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3231     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3232     &custom_element_change.action_element, 1, 1,
3233     NULL, NULL, NULL,                   "element used as action parameter"
3234   },
3235
3236   /* ---------- group element content -------------------------------------- */
3237
3238   {
3239     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3240     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3241     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3242     "content:", NULL, NULL,             NULL
3243   },
3244
3245   /* ---------- random background (for random painting) -------------------- */
3246
3247   {
3248     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3249     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3250     &random_placement_background_element, 1, 1,
3251     NULL, NULL, NULL,                   "random placement background"
3252   },
3253 };
3254
3255
3256 /*
3257   -----------------------------------------------------------------------------
3258   some internally used variables
3259   -----------------------------------------------------------------------------
3260 */
3261
3262 /* actual size of level editor drawing area */
3263 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
3264
3265 /* actual position of level editor drawing area in level playfield */
3266 static int level_xpos = -1, level_ypos = -1;
3267
3268 #if 1
3269 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3270 #else
3271 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
3272 #endif
3273
3274 /* drawing elements on the three mouse buttons */
3275 static int new_element1 = EL_WALL;
3276 static int new_element2 = EL_EMPTY;
3277 static int new_element3 = EL_SAND;
3278
3279 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3280 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3281                                 (button) == 2 ? new_element2 : \
3282                                 (button) == 3 ? new_element3 : EL_EMPTY)
3283 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3284
3285 /* forward declaration for internal use */
3286 static void ModifyEditorCounterValue(int, int);
3287 static void ModifyEditorCounterLimits(int, int, int);
3288 static void ModifyEditorSelectboxValue(int, int);
3289 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3290 static void ModifyEditorDrawingArea(int, int, int);
3291 static void ModifyEditorElementList();
3292 static void AdjustElementListScrollbar();
3293 static void RedrawDrawingElements();
3294 static void DrawDrawingWindow();
3295 static void DrawLevelInfoWindow();
3296 static void DrawPropertiesWindow();
3297 static void UpdateCustomElementGraphicGadgets();
3298 static boolean checkPropertiesConfig(int);
3299 static void CopyLevelToUndoBuffer(int);
3300 static void HandleDrawingAreas(struct GadgetInfo *);
3301 static void HandleCounterButtons(struct GadgetInfo *);
3302 static void HandleTextInputGadgets(struct GadgetInfo *);
3303 static void HandleTextAreaGadgets(struct GadgetInfo *);
3304 static void HandleSelectboxGadgets(struct GadgetInfo *);
3305 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3306 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3307 static void HandleRadiobuttons(struct GadgetInfo *);
3308 static void HandleCheckbuttons(struct GadgetInfo *);
3309 static void HandleControlButtons(struct GadgetInfo *);
3310 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3311 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3312
3313 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
3314 static int right_gadget_border[NUM_EDITOR_GADGETS];
3315
3316 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3317 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3318 static boolean draw_with_brush = FALSE;
3319 static int properties_element = 0;
3320
3321 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3322 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3323 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3324 static int undo_buffer_position = 0;
3325 static int undo_buffer_steps = 0;
3326
3327 static int edit_mode;
3328 static int edit_mode_levelinfo;
3329 static int edit_mode_properties;
3330
3331 static int element_shift = 0;
3332
3333 static int editor_el_players[] =
3334 {
3335   EL_PLAYER_1,
3336   EL_PLAYER_2,
3337   EL_PLAYER_3,
3338   EL_PLAYER_4
3339 };
3340 static int *editor_el_players_ptr = editor_el_players;
3341 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3342
3343 static int editor_hl_boulderdash[] =
3344 {
3345   EL_INTERNAL_CASCADE_BD_ACTIVE,
3346   EL_CHAR('B'),
3347   EL_CHAR('D'),
3348   EL_EMPTY,
3349 };
3350
3351 static int editor_el_boulderdash[] =
3352 {
3353   EL_EMPTY,
3354   EL_SAND,
3355   EL_BD_ROCK,
3356   EL_BD_DIAMOND,
3357
3358   EL_STEELWALL,
3359   EL_BD_WALL,
3360   EL_BD_EXPANDABLE_WALL,
3361   EL_BD_MAGIC_WALL,
3362
3363   EL_BD_AMOEBA,
3364   EL_BD_BUTTERFLY_UP,
3365   EL_BD_FIREFLY_UP,
3366   EL_EXIT_CLOSED,
3367
3368   EL_BD_BUTTERFLY_LEFT,
3369   EL_BD_FIREFLY_LEFT,
3370   EL_BD_BUTTERFLY_RIGHT,
3371   EL_BD_FIREFLY_RIGHT,
3372
3373   EL_EMPTY,
3374   EL_BD_BUTTERFLY_DOWN,
3375   EL_BD_FIREFLY_DOWN,
3376   EL_EXIT_OPEN,
3377 };
3378 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3379 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3380 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3381 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3382
3383 static int editor_hl_emerald_mine[] =
3384 {
3385   EL_INTERNAL_CASCADE_EM_ACTIVE,
3386   EL_CHAR('E'),
3387   EL_CHAR('M'),
3388   EL_EMPTY,
3389 };
3390
3391 static int editor_el_emerald_mine[] =
3392 {
3393   EL_SAND,
3394   EL_ROCK,
3395   EL_QUICKSAND_EMPTY,
3396   EL_QUICKSAND_FULL,
3397
3398   EL_STEELWALL,
3399   EL_WALL,
3400   EL_WALL_SLIPPERY,
3401   EL_MAGIC_WALL,
3402
3403   EL_EMERALD,
3404   EL_DIAMOND,
3405   EL_NUT,
3406   EL_BOMB,
3407
3408   EL_WALL_EMERALD,
3409   EL_WALL_DIAMOND,
3410   EL_DYNAMITE,
3411   EL_DYNAMITE_ACTIVE,
3412
3413   EL_YAMYAM,
3414   EL_BUG_UP,
3415   EL_SPACESHIP_UP,
3416   EL_ROBOT,
3417
3418   EL_BUG_LEFT,
3419   EL_SPACESHIP_LEFT,
3420   EL_BUG_RIGHT,
3421   EL_SPACESHIP_RIGHT,
3422
3423   EL_ROBOT_WHEEL,
3424   EL_BUG_DOWN,
3425   EL_SPACESHIP_DOWN,
3426   EL_INVISIBLE_WALL,
3427
3428   EL_ACID_POOL_TOPLEFT,
3429   EL_ACID,
3430   EL_ACID_POOL_TOPRIGHT,
3431   EL_AMOEBA_DROP,
3432
3433   EL_ACID_POOL_BOTTOMLEFT,
3434   EL_ACID_POOL_BOTTOM,
3435   EL_ACID_POOL_BOTTOMRIGHT,
3436   EL_AMOEBA_WET,
3437
3438   EL_EM_KEY_1,
3439   EL_EM_KEY_2,
3440   EL_EM_KEY_3,
3441   EL_EM_KEY_4,
3442
3443   EL_EM_GATE_1,
3444   EL_EM_GATE_2,
3445   EL_EM_GATE_3,
3446   EL_EM_GATE_4,
3447
3448   EL_EM_GATE_1_GRAY,
3449   EL_EM_GATE_2_GRAY,
3450   EL_EM_GATE_3_GRAY,
3451   EL_EM_GATE_4_GRAY,
3452
3453   EL_EM_EXIT_CLOSED,
3454   EL_EM_EXIT_OPEN,
3455   EL_EM_STEEL_EXIT_CLOSED,
3456   EL_EM_STEEL_EXIT_OPEN,
3457 };
3458 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3459 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3460 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3461 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3462
3463 static int editor_hl_emerald_mine_club[] =
3464 {
3465   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3466   EL_CHAR('E'),
3467   EL_CHAR('M'),
3468   EL_CHAR('C'),
3469 };
3470
3471 static int editor_el_emerald_mine_club[] =
3472 {
3473   EL_EMC_KEY_5,
3474   EL_EMC_KEY_6,
3475   EL_EMC_KEY_7,
3476   EL_EMC_KEY_8,
3477
3478   EL_EMC_GATE_5,
3479   EL_EMC_GATE_6,
3480   EL_EMC_GATE_7,
3481   EL_EMC_GATE_8,
3482
3483   EL_EMC_GATE_5_GRAY,
3484   EL_EMC_GATE_6_GRAY,
3485   EL_EMC_GATE_7_GRAY,
3486   EL_EMC_GATE_8_GRAY,
3487
3488   EL_EMC_STEELWALL_1,
3489   EL_EMC_STEELWALL_2,
3490   EL_EMC_STEELWALL_3,
3491   EL_EMC_STEELWALL_4,
3492
3493   EL_EMC_WALL_13,
3494   EL_EMC_WALL_14,
3495   EL_EMC_WALL_15,
3496   EL_EMC_WALL_16,
3497
3498   EL_EMC_WALL_SLIPPERY_1,
3499   EL_EMC_WALL_SLIPPERY_2,
3500   EL_EMC_WALL_SLIPPERY_3,
3501   EL_EMC_WALL_SLIPPERY_4,
3502
3503   EL_EMC_WALL_1,
3504   EL_EMC_WALL_2,
3505   EL_EMC_WALL_3,
3506   EL_EMC_WALL_4,
3507
3508   EL_EMC_WALL_5,
3509   EL_EMC_WALL_6,
3510   EL_EMC_WALL_7,
3511   EL_EMC_WALL_8,
3512
3513   EL_EMC_WALL_9,
3514   EL_EMC_WALL_10,
3515   EL_EMC_WALL_11,
3516   EL_EMC_WALL_12,
3517
3518   EL_EMC_GRASS,
3519   EL_EMC_FAKE_GRASS,
3520   EL_EMC_PLANT,
3521   EL_EMC_DRIPPER,
3522
3523   EL_EMC_MAGIC_BALL,
3524   EL_EMC_MAGIC_BALL_SWITCH,
3525   EL_SPRING,
3526   EL_EMC_SPRING_BUMPER,
3527
3528   EL_EMC_LENSES,
3529   EL_EMC_MAGNIFIER,
3530   EL_EM_DYNAMITE,
3531   EL_EM_DYNAMITE_ACTIVE,
3532
3533   EL_BALLOON,
3534   EL_YAMYAM_UP,
3535   EL_BALLOON_SWITCH_UP,
3536   EL_BALLOON_SWITCH_ANY,
3537
3538   EL_YAMYAM_LEFT,
3539   EL_BALLOON_SWITCH_LEFT,
3540   EL_YAMYAM_RIGHT,
3541   EL_BALLOON_SWITCH_RIGHT,
3542
3543   EL_EMC_ANDROID,
3544   EL_YAMYAM_DOWN,
3545   EL_BALLOON_SWITCH_DOWN,
3546   EL_BALLOON_SWITCH_NONE,
3547 };
3548 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3549 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3550 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3551 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3552
3553 static int editor_hl_rnd[] =
3554 {
3555   EL_INTERNAL_CASCADE_RND_ACTIVE,
3556   EL_CHAR('R'),
3557   EL_CHAR('N'),
3558   EL_CHAR('D'),
3559 };
3560
3561 static int editor_el_rnd[] =
3562 {
3563   EL_KEY_1,
3564   EL_KEY_2,
3565   EL_KEY_3,
3566   EL_KEY_4,
3567
3568   EL_GATE_1,
3569   EL_GATE_2,
3570   EL_GATE_3,
3571   EL_GATE_4,
3572
3573   EL_GATE_1_GRAY,
3574   EL_GATE_2_GRAY,
3575   EL_GATE_3_GRAY,
3576   EL_GATE_4_GRAY,
3577
3578   EL_ARROW_LEFT,
3579   EL_ARROW_RIGHT,
3580   EL_ARROW_UP,
3581   EL_ARROW_DOWN,
3582
3583   EL_AMOEBA_DEAD,
3584   EL_AMOEBA_DRY,
3585   EL_AMOEBA_FULL,
3586   EL_GAME_OF_LIFE,
3587
3588   EL_EMERALD_YELLOW,
3589   EL_EMERALD_RED,
3590   EL_EMERALD_PURPLE,
3591   EL_BIOMAZE,
3592
3593   EL_WALL_EMERALD_YELLOW,
3594   EL_WALL_EMERALD_RED,
3595   EL_WALL_EMERALD_PURPLE,
3596   EL_WALL_BD_DIAMOND,
3597
3598   EL_SPEED_PILL,
3599   EL_PACMAN_UP,
3600   EL_TIME_ORB_FULL,
3601   EL_TIME_ORB_EMPTY,
3602
3603   EL_PACMAN_LEFT,
3604   EL_DARK_YAMYAM,
3605   EL_PACMAN_RIGHT,
3606   EL_EMPTY,
3607
3608   EL_BLACK_ORB,
3609   EL_PACMAN_DOWN,
3610   EL_LAMP,
3611   EL_LAMP_ACTIVE,
3612
3613   EL_DYNABOMB_INCREASE_NUMBER,
3614   EL_DYNABOMB_INCREASE_SIZE,
3615   EL_DYNABOMB_INCREASE_POWER,
3616   EL_STONEBLOCK,
3617
3618   EL_MOLE,
3619   EL_PENGUIN,
3620   EL_PIG,
3621   EL_DRAGON,
3622
3623   EL_BUG,
3624   EL_MOLE_UP,
3625   EL_BD_BUTTERFLY,
3626   EL_BD_FIREFLY,
3627
3628   EL_MOLE_LEFT,
3629   EL_SATELLITE,
3630   EL_MOLE_RIGHT,
3631   EL_PACMAN,
3632
3633   EL_SPACESHIP,
3634   EL_MOLE_DOWN,
3635   EL_INVISIBLE_STEELWALL,
3636   EL_INVISIBLE_WALL,
3637
3638   EL_EXPANDABLE_WALL,
3639   EL_EXPANDABLE_WALL_HORIZONTAL,
3640   EL_EXPANDABLE_WALL_VERTICAL,
3641   EL_EXPANDABLE_WALL_ANY,
3642 };
3643 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3644 static int *editor_el_rnd_ptr = editor_el_rnd;
3645 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3646 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3647
3648 static int editor_hl_sokoban[] =
3649 {
3650   EL_INTERNAL_CASCADE_SB_ACTIVE,
3651   EL_CHAR('S'),
3652   EL_CHAR('B'),
3653   EL_EMPTY,
3654 };
3655
3656 static int editor_el_sokoban[] =
3657 {
3658   EL_SOKOBAN_OBJECT,
3659   EL_SOKOBAN_FIELD_EMPTY,
3660   EL_SOKOBAN_FIELD_FULL,
3661   EL_SOKOBAN_FIELD_PLAYER,
3662 };
3663 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3664 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3665 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3666 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3667
3668 static int editor_hl_supaplex[] =
3669 {
3670   EL_INTERNAL_CASCADE_SP_ACTIVE,
3671   EL_CHAR('S'),
3672   EL_CHAR('P'),
3673   EL_EMPTY,
3674 };
3675
3676 static int editor_el_supaplex[] =
3677 {
3678   EL_SP_MURPHY,
3679   EL_EMPTY,
3680   EL_SP_BASE,
3681   EL_SP_BUGGY_BASE,
3682
3683   EL_SP_INFOTRON,
3684   EL_SP_ZONK,
3685   EL_SP_SNIKSNAK,
3686   EL_SP_ELECTRON,
3687
3688   EL_SP_DISK_RED,
3689   EL_SP_DISK_ORANGE,
3690   EL_SP_DISK_YELLOW,
3691   EL_SP_TERMINAL,
3692
3693   EL_SP_EXIT_CLOSED,
3694   EL_SP_PORT_HORIZONTAL,
3695   EL_SP_PORT_VERTICAL,
3696   EL_SP_PORT_ANY,
3697
3698   EL_SP_PORT_LEFT,
3699   EL_SP_PORT_RIGHT,
3700   EL_SP_PORT_UP,
3701   EL_SP_PORT_DOWN,
3702
3703   EL_SP_GRAVITY_PORT_LEFT,
3704   EL_SP_GRAVITY_PORT_RIGHT,
3705   EL_SP_GRAVITY_PORT_UP,
3706   EL_SP_GRAVITY_PORT_DOWN,
3707
3708   EL_SP_HARDWARE_GRAY,
3709   EL_SP_HARDWARE_GREEN,
3710   EL_SP_HARDWARE_BLUE,
3711   EL_SP_HARDWARE_RED,
3712
3713   EL_SP_HARDWARE_BASE_1,
3714   EL_SP_HARDWARE_BASE_2,
3715   EL_SP_HARDWARE_BASE_3,
3716   EL_SP_HARDWARE_BASE_4,
3717
3718   EL_SP_HARDWARE_BASE_5,
3719   EL_SP_HARDWARE_BASE_6,
3720   EL_SP_HARDWARE_YELLOW,
3721   EL_SP_CHIP_TOP,
3722
3723   EL_SP_CHIP_SINGLE,
3724   EL_SP_CHIP_LEFT,
3725   EL_SP_CHIP_RIGHT,
3726   EL_SP_CHIP_BOTTOM,
3727 };
3728 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3729 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3730 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3731 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3732
3733 static int editor_hl_diamond_caves[] =
3734 {
3735   EL_INTERNAL_CASCADE_DC_ACTIVE,
3736   EL_CHAR('D'),
3737   EL_CHAR('C'),
3738   EL_CHAR('2'),
3739 };
3740
3741 static int editor_el_diamond_caves[] =
3742 {
3743   EL_PEARL,
3744   EL_CRYSTAL,
3745   EL_WALL_PEARL,
3746   EL_WALL_CRYSTAL,
3747
3748   EL_CONVEYOR_BELT_1_LEFT,
3749   EL_CONVEYOR_BELT_1_MIDDLE,
3750   EL_CONVEYOR_BELT_1_RIGHT,
3751   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3752
3753   EL_CONVEYOR_BELT_2_LEFT,
3754   EL_CONVEYOR_BELT_2_MIDDLE,
3755   EL_CONVEYOR_BELT_2_RIGHT,
3756   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3757
3758   EL_CONVEYOR_BELT_3_LEFT,
3759   EL_CONVEYOR_BELT_3_MIDDLE,
3760   EL_CONVEYOR_BELT_3_RIGHT,
3761   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3762
3763   EL_CONVEYOR_BELT_4_LEFT,
3764   EL_CONVEYOR_BELT_4_MIDDLE,
3765   EL_CONVEYOR_BELT_4_RIGHT,
3766   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3767
3768   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3769   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3770   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3771   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3772
3773   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3774   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3775   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3776   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3777
3778   EL_TIMEGATE_CLOSED,
3779   EL_TIMEGATE_OPEN,
3780   EL_TIMEGATE_SWITCH,
3781   EL_DC_TIMEGATE_SWITCH,
3782
3783   EL_SWITCHGATE_CLOSED,
3784   EL_SWITCHGATE_OPEN,
3785   EL_SWITCHGATE_SWITCH_UP,
3786   EL_SWITCHGATE_SWITCH_DOWN,
3787
3788   EL_LIGHT_SWITCH,
3789   EL_LIGHT_SWITCH_ACTIVE,
3790   EL_DC_SWITCHGATE_SWITCH_UP,
3791   EL_DC_SWITCHGATE_SWITCH_DOWN,
3792
3793   EL_STEEL_EXIT_CLOSED,
3794   EL_STEEL_EXIT_OPEN,
3795   EL_STEELWALL_SLIPPERY,
3796   EL_INVISIBLE_SAND,
3797
3798   EL_QUICKSAND_FAST_EMPTY,
3799   EL_QUICKSAND_FAST_FULL,
3800   EL_LANDMINE,
3801   EL_DC_LANDMINE,
3802
3803   EL_SHIELD_NORMAL,
3804   EL_SHIELD_DEADLY,
3805   EL_EXTRA_TIME,
3806   EL_DC_MAGIC_WALL,
3807
3808   EL_ENVELOPE_1,
3809   EL_ENVELOPE_2,
3810   EL_ENVELOPE_3,
3811   EL_ENVELOPE_4,
3812
3813   EL_SIGN_RADIOACTIVITY,
3814   EL_SIGN_WHEELCHAIR,
3815   EL_SIGN_PARKING,
3816   EL_SIGN_NO_ENTRY,
3817
3818   EL_SIGN_GIVE_WAY,
3819   EL_SIGN_ENTRY_FORBIDDEN,
3820   EL_SIGN_EMERGENCY_EXIT,
3821   EL_SIGN_YIN_YANG,
3822
3823 #if 0
3824   EL_SIGN_SPERMS,
3825   EL_SIGN_BULLET,
3826   EL_SIGN_HEART,
3827   EL_SIGN_CROSS,
3828
3829   EL_SIGN_FRANKIE,
3830   EL_EMPTY,
3831   EL_EMPTY,
3832   EL_EMPTY,
3833
3834   EL_SPERMS,
3835   EL_BULLET,
3836   EL_HEART,
3837   EL_CROSS,
3838
3839   EL_FRANKIE,
3840   EL_EMPTY,
3841   EL_EMPTY,
3842   EL_EMPTY,
3843 #endif
3844
3845   EL_DC_STEELWALL_2_SINGLE,
3846   EL_DC_STEELWALL_2_TOP,
3847   EL_SIGN_EXCLAMATION,
3848   EL_SIGN_STOP,
3849
3850   EL_DC_STEELWALL_2_LEFT,
3851   EL_DC_STEELWALL_2_MIDDLE,
3852   EL_DC_STEELWALL_2_HORIZONTAL,
3853   EL_DC_STEELWALL_2_RIGHT,
3854
3855   EL_DC_STEELWALL_1_TOPLEFT,
3856   EL_DC_STEELWALL_2_VERTICAL,
3857   EL_DC_STEELWALL_1_TOPRIGHT,
3858   EL_DC_GATE_WHITE,
3859
3860   EL_DC_STEELWALL_1_VERTICAL,
3861   EL_DC_STEELWALL_2_BOTTOM,
3862   EL_DC_KEY_WHITE,
3863   EL_DC_GATE_WHITE_GRAY,
3864
3865   EL_DC_STEELWALL_1_BOTTOMLEFT,
3866   EL_DC_STEELWALL_1_HORIZONTAL,
3867   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3868   EL_DC_GATE_FAKE_GRAY,
3869
3870   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3871   EL_DC_STEELWALL_1_BOTTOM,
3872   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3873   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3874
3875   EL_DC_STEELWALL_1_RIGHT,
3876   EL_EMPTY,
3877   EL_DC_STEELWALL_1_LEFT,
3878   EL_EXPANDABLE_STEELWALL_VERTICAL,
3879
3880   EL_DC_STEELWALL_1_TOPRIGHT_2,
3881   EL_DC_STEELWALL_1_TOP,
3882   EL_DC_STEELWALL_1_TOPLEFT_2,
3883   EL_EXPANDABLE_STEELWALL_ANY,
3884 };
3885 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3886 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3887 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3888 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3889
3890 static int editor_hl_dx_boulderdash[] =
3891 {
3892   EL_INTERNAL_CASCADE_DX_ACTIVE,
3893   EL_CHAR('D'),
3894   EL_CHAR('X'),
3895   EL_EMPTY,
3896 };
3897
3898 static int editor_el_dx_boulderdash[] =
3899 {
3900   EL_EMPTY,
3901   EL_TUBE_RIGHT_DOWN,
3902   EL_TUBE_HORIZONTAL_DOWN,
3903   EL_TUBE_LEFT_DOWN,
3904
3905   EL_TUBE_HORIZONTAL,
3906   EL_TUBE_VERTICAL_RIGHT,
3907   EL_TUBE_ANY,
3908   EL_TUBE_VERTICAL_LEFT,
3909
3910   EL_TUBE_VERTICAL,
3911   EL_TUBE_RIGHT_UP,
3912   EL_TUBE_HORIZONTAL_UP,
3913   EL_TUBE_LEFT_UP,
3914
3915   EL_TRAP,
3916   EL_DX_SUPABOMB,
3917   EL_EMPTY,
3918   EL_EMPTY
3919 };
3920 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3921 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3922 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3923 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3924
3925 static int editor_hl_chars[] =
3926 {
3927   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3928   EL_CHAR('T'),
3929   EL_CHAR('X'),
3930   EL_CHAR('T'),
3931 };
3932
3933 static int editor_el_chars[] =
3934 {
3935   EL_CHAR(' '),
3936   EL_CHAR('!'),
3937   EL_CHAR('"'),
3938   EL_CHAR('#'),
3939
3940   EL_CHAR('$'),
3941   EL_CHAR('%'),
3942   EL_CHAR('&'),
3943   EL_CHAR('\''),
3944
3945   EL_CHAR('('),
3946   EL_CHAR(')'),
3947   EL_CHAR('*'),
3948   EL_CHAR('+'),
3949
3950   EL_CHAR(','),
3951   EL_CHAR('-'),
3952   EL_CHAR('.'),
3953   EL_CHAR('/'),
3954
3955   EL_CHAR('0'),
3956   EL_CHAR('1'),
3957   EL_CHAR('2'),
3958   EL_CHAR('3'),
3959
3960   EL_CHAR('4'),
3961   EL_CHAR('5'),
3962   EL_CHAR('6'),
3963   EL_CHAR('7'),
3964
3965   EL_CHAR('8'),
3966   EL_CHAR('9'),
3967   EL_CHAR(':'),
3968   EL_CHAR(';'),
3969
3970   EL_CHAR('<'),
3971   EL_CHAR('='),
3972   EL_CHAR('>'),
3973   EL_CHAR('?'),
3974
3975   EL_CHAR('@'),
3976   EL_CHAR('A'),
3977   EL_CHAR('B'),
3978   EL_CHAR('C'),
3979
3980   EL_CHAR('D'),
3981   EL_CHAR('E'),
3982   EL_CHAR('F'),
3983   EL_CHAR('G'),
3984
3985   EL_CHAR('H'),
3986   EL_CHAR('I'),
3987   EL_CHAR('J'),
3988   EL_CHAR('K'),
3989
3990   EL_CHAR('L'),
3991   EL_CHAR('M'),
3992   EL_CHAR('N'),
3993   EL_CHAR('O'),
3994
3995   EL_CHAR('P'),
3996   EL_CHAR('Q'),
3997   EL_CHAR('R'),
3998   EL_CHAR('S'),
3999
4000   EL_CHAR('T'),
4001   EL_CHAR('U'),
4002   EL_CHAR('V'),
4003   EL_CHAR('W'),
4004
4005   EL_CHAR('X'),
4006   EL_CHAR('Y'),
4007   EL_CHAR('Z'),
4008   EL_CHAR('['),
4009
4010   EL_CHAR('\\'),
4011   EL_CHAR(']'),
4012   EL_CHAR('^'),
4013   EL_CHAR('_'),
4014
4015   EL_CHAR('©'),
4016   EL_CHAR('Ä'),
4017   EL_CHAR('Ö'),
4018   EL_CHAR('Ü'),
4019
4020   EL_CHAR('°'),
4021   EL_CHAR('®'),
4022   EL_CHAR(FONT_ASCII_CURSOR),
4023   EL_CHAR(FONT_ASCII_BUTTON),
4024
4025   EL_CHAR(FONT_ASCII_UP),
4026   EL_CHAR(FONT_ASCII_DOWN),
4027   EL_CHAR(' '),
4028   EL_CHAR(' ')
4029 };
4030 static int *editor_hl_chars_ptr = editor_hl_chars;
4031 static int *editor_el_chars_ptr = editor_el_chars;
4032 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4033 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4034
4035 static int editor_hl_steel_chars[] =
4036 {
4037   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4038   EL_STEEL_CHAR('T'),
4039   EL_STEEL_CHAR('X'),
4040   EL_STEEL_CHAR('T'),
4041 };
4042
4043 static int editor_el_steel_chars[] =
4044 {
4045   EL_STEEL_CHAR(' '),
4046   EL_STEEL_CHAR('!'),
4047   EL_STEEL_CHAR('"'),
4048   EL_STEEL_CHAR('#'),
4049
4050   EL_STEEL_CHAR('$'),
4051   EL_STEEL_CHAR('%'),
4052   EL_STEEL_CHAR('&'),
4053   EL_STEEL_CHAR('\''),
4054
4055   EL_STEEL_CHAR('('),
4056   EL_STEEL_CHAR(')'),
4057   EL_STEEL_CHAR('*'),
4058   EL_STEEL_CHAR('+'),
4059
4060   EL_STEEL_CHAR(','),
4061   EL_STEEL_CHAR('-'),
4062   EL_STEEL_CHAR('.'),
4063   EL_STEEL_CHAR('/'),
4064
4065   EL_STEEL_CHAR('0'),
4066   EL_STEEL_CHAR('1'),
4067   EL_STEEL_CHAR('2'),
4068   EL_STEEL_CHAR('3'),
4069
4070   EL_STEEL_CHAR('4'),
4071   EL_STEEL_CHAR('5'),
4072   EL_STEEL_CHAR('6'),
4073   EL_STEEL_CHAR('7'),
4074
4075   EL_STEEL_CHAR('8'),
4076   EL_STEEL_CHAR('9'),
4077   EL_STEEL_CHAR(':'),
4078   EL_STEEL_CHAR(';'),
4079
4080   EL_STEEL_CHAR('<'),
4081   EL_STEEL_CHAR('='),
4082   EL_STEEL_CHAR('>'),
4083   EL_STEEL_CHAR('?'),
4084
4085   EL_STEEL_CHAR('@'),
4086   EL_STEEL_CHAR('A'),
4087   EL_STEEL_CHAR('B'),
4088   EL_STEEL_CHAR('C'),
4089
4090   EL_STEEL_CHAR('D'),
4091   EL_STEEL_CHAR('E'),
4092   EL_STEEL_CHAR('F'),
4093   EL_STEEL_CHAR('G'),
4094
4095   EL_STEEL_CHAR('H'),
4096   EL_STEEL_CHAR('I'),
4097   EL_STEEL_CHAR('J'),
4098   EL_STEEL_CHAR('K'),
4099
4100   EL_STEEL_CHAR('L'),
4101   EL_STEEL_CHAR('M'),
4102   EL_STEEL_CHAR('N'),
4103   EL_STEEL_CHAR('O'),
4104
4105   EL_STEEL_CHAR('P'),
4106   EL_STEEL_CHAR('Q'),
4107   EL_STEEL_CHAR('R'),
4108   EL_STEEL_CHAR('S'),
4109
4110   EL_STEEL_CHAR('T'),
4111   EL_STEEL_CHAR('U'),
4112   EL_STEEL_CHAR('V'),
4113   EL_STEEL_CHAR('W'),
4114
4115   EL_STEEL_CHAR('X'),
4116   EL_STEEL_CHAR('Y'),
4117   EL_STEEL_CHAR('Z'),
4118   EL_STEEL_CHAR('['),
4119
4120   EL_STEEL_CHAR('\\'),
4121   EL_STEEL_CHAR(']'),
4122   EL_STEEL_CHAR('^'),
4123   EL_STEEL_CHAR('_'),
4124
4125   EL_STEEL_CHAR('©'),
4126   EL_STEEL_CHAR('Ä'),
4127   EL_STEEL_CHAR('Ö'),
4128   EL_STEEL_CHAR('Ü'),
4129
4130   EL_STEEL_CHAR('°'),
4131   EL_STEEL_CHAR('®'),
4132   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4133   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4134
4135   EL_STEEL_CHAR(FONT_ASCII_UP),
4136   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4137   EL_STEEL_CHAR(' '),
4138   EL_STEEL_CHAR(' ')
4139 };
4140 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4141 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4142 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4143 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4144
4145 static int editor_hl_custom[] =
4146 {
4147   EL_INTERNAL_CASCADE_CE_ACTIVE,
4148   EL_CHAR('C'),
4149   EL_CHAR('E'),
4150   EL_EMPTY,
4151 };
4152
4153 static int editor_el_custom[] =
4154 {
4155   EL_CUSTOM_START + 0,
4156   EL_CUSTOM_START + 1,
4157   EL_CUSTOM_START + 2,
4158   EL_CUSTOM_START + 3,
4159
4160   EL_CUSTOM_START + 4,
4161   EL_CUSTOM_START + 5,
4162   EL_CUSTOM_START + 6,
4163   EL_CUSTOM_START + 7,
4164
4165   EL_CUSTOM_START + 8,
4166   EL_CUSTOM_START + 9,
4167   EL_CUSTOM_START + 10,
4168   EL_CUSTOM_START + 11,
4169
4170   EL_CUSTOM_START + 12,
4171   EL_CUSTOM_START + 13,
4172   EL_CUSTOM_START + 14,
4173   EL_CUSTOM_START + 15,
4174
4175   EL_CUSTOM_START + 16,
4176   EL_CUSTOM_START + 17,
4177   EL_CUSTOM_START + 18,
4178   EL_CUSTOM_START + 19,
4179
4180   EL_CUSTOM_START + 20,
4181   EL_CUSTOM_START + 21,
4182   EL_CUSTOM_START + 22,
4183   EL_CUSTOM_START + 23,
4184
4185   EL_CUSTOM_START + 24,
4186   EL_CUSTOM_START + 25,
4187   EL_CUSTOM_START + 26,
4188   EL_CUSTOM_START + 27,
4189
4190   EL_CUSTOM_START + 28,
4191   EL_CUSTOM_START + 29,
4192   EL_CUSTOM_START + 30,
4193   EL_CUSTOM_START + 31,
4194
4195   EL_CUSTOM_START + 32,
4196   EL_CUSTOM_START + 33,
4197   EL_CUSTOM_START + 34,
4198   EL_CUSTOM_START + 35,
4199
4200   EL_CUSTOM_START + 36,
4201   EL_CUSTOM_START + 37,
4202   EL_CUSTOM_START + 38,
4203   EL_CUSTOM_START + 39,
4204
4205   EL_CUSTOM_START + 40,
4206   EL_CUSTOM_START + 41,
4207   EL_CUSTOM_START + 42,
4208   EL_CUSTOM_START + 43,
4209
4210   EL_CUSTOM_START + 44,
4211   EL_CUSTOM_START + 45,
4212   EL_CUSTOM_START + 46,
4213   EL_CUSTOM_START + 47,
4214
4215   EL_CUSTOM_START + 48,
4216   EL_CUSTOM_START + 49,
4217   EL_CUSTOM_START + 50,
4218   EL_CUSTOM_START + 51,
4219
4220   EL_CUSTOM_START + 52,
4221   EL_CUSTOM_START + 53,
4222   EL_CUSTOM_START + 54,
4223   EL_CUSTOM_START + 55,
4224
4225   EL_CUSTOM_START + 56,
4226   EL_CUSTOM_START + 57,
4227   EL_CUSTOM_START + 58,
4228   EL_CUSTOM_START + 59,
4229
4230   EL_CUSTOM_START + 60,
4231   EL_CUSTOM_START + 61,
4232   EL_CUSTOM_START + 62,
4233   EL_CUSTOM_START + 63,
4234
4235   EL_CUSTOM_START + 64,
4236   EL_CUSTOM_START + 65,
4237   EL_CUSTOM_START + 66,
4238   EL_CUSTOM_START + 67,
4239
4240   EL_CUSTOM_START + 68,
4241   EL_CUSTOM_START + 69,
4242   EL_CUSTOM_START + 70,
4243   EL_CUSTOM_START + 71,
4244
4245   EL_CUSTOM_START + 72,
4246   EL_CUSTOM_START + 73,
4247   EL_CUSTOM_START + 74,
4248   EL_CUSTOM_START + 75,
4249
4250   EL_CUSTOM_START + 76,
4251   EL_CUSTOM_START + 77,
4252   EL_CUSTOM_START + 78,
4253   EL_CUSTOM_START + 79,
4254
4255   EL_CUSTOM_START + 80,
4256   EL_CUSTOM_START + 81,
4257   EL_CUSTOM_START + 82,
4258   EL_CUSTOM_START + 83,
4259
4260   EL_CUSTOM_START + 84,
4261   EL_CUSTOM_START + 85,
4262   EL_CUSTOM_START + 86,
4263   EL_CUSTOM_START + 87,
4264
4265   EL_CUSTOM_START + 88,
4266   EL_CUSTOM_START + 89,
4267   EL_CUSTOM_START + 90,
4268   EL_CUSTOM_START + 91,
4269
4270   EL_CUSTOM_START + 92,
4271   EL_CUSTOM_START + 93,
4272   EL_CUSTOM_START + 94,
4273   EL_CUSTOM_START + 95,
4274
4275   EL_CUSTOM_START + 96,
4276   EL_CUSTOM_START + 97,
4277   EL_CUSTOM_START + 98,
4278   EL_CUSTOM_START + 99,
4279
4280   EL_CUSTOM_START + 100,
4281   EL_CUSTOM_START + 101,
4282   EL_CUSTOM_START + 102,
4283   EL_CUSTOM_START + 103,
4284
4285   EL_CUSTOM_START + 104,
4286   EL_CUSTOM_START + 105,
4287   EL_CUSTOM_START + 106,
4288   EL_CUSTOM_START + 107,
4289
4290   EL_CUSTOM_START + 108,
4291   EL_CUSTOM_START + 109,
4292   EL_CUSTOM_START + 110,
4293   EL_CUSTOM_START + 111,
4294
4295   EL_CUSTOM_START + 112,
4296   EL_CUSTOM_START + 113,
4297   EL_CUSTOM_START + 114,
4298   EL_CUSTOM_START + 115,
4299
4300   EL_CUSTOM_START + 116,
4301   EL_CUSTOM_START + 117,
4302   EL_CUSTOM_START + 118,
4303   EL_CUSTOM_START + 119,
4304
4305   EL_CUSTOM_START + 120,
4306   EL_CUSTOM_START + 121,
4307   EL_CUSTOM_START + 122,
4308   EL_CUSTOM_START + 123,
4309
4310   EL_CUSTOM_START + 124,
4311   EL_CUSTOM_START + 125,
4312   EL_CUSTOM_START + 126,
4313   EL_CUSTOM_START + 127,
4314
4315   EL_CUSTOM_START + 128,
4316   EL_CUSTOM_START + 129,
4317   EL_CUSTOM_START + 130,
4318   EL_CUSTOM_START + 131,
4319
4320   EL_CUSTOM_START + 132,
4321   EL_CUSTOM_START + 133,
4322   EL_CUSTOM_START + 134,
4323   EL_CUSTOM_START + 135,
4324
4325   EL_CUSTOM_START + 136,
4326   EL_CUSTOM_START + 137,
4327   EL_CUSTOM_START + 138,
4328   EL_CUSTOM_START + 139,
4329
4330   EL_CUSTOM_START + 140,
4331   EL_CUSTOM_START + 141,
4332   EL_CUSTOM_START + 142,
4333   EL_CUSTOM_START + 143,
4334
4335   EL_CUSTOM_START + 144,
4336   EL_CUSTOM_START + 145,
4337   EL_CUSTOM_START + 146,
4338   EL_CUSTOM_START + 147,
4339
4340   EL_CUSTOM_START + 148,
4341   EL_CUSTOM_START + 149,
4342   EL_CUSTOM_START + 150,
4343   EL_CUSTOM_START + 151,
4344
4345   EL_CUSTOM_START + 152,
4346   EL_CUSTOM_START + 153,
4347   EL_CUSTOM_START + 154,
4348   EL_CUSTOM_START + 155,
4349
4350   EL_CUSTOM_START + 156,
4351   EL_CUSTOM_START + 157,
4352   EL_CUSTOM_START + 158,
4353   EL_CUSTOM_START + 159,
4354
4355   EL_CUSTOM_START + 160,
4356   EL_CUSTOM_START + 161,
4357   EL_CUSTOM_START + 162,
4358   EL_CUSTOM_START + 163,
4359
4360   EL_CUSTOM_START + 164,
4361   EL_CUSTOM_START + 165,
4362   EL_CUSTOM_START + 166,
4363   EL_CUSTOM_START + 167,
4364
4365   EL_CUSTOM_START + 168,
4366   EL_CUSTOM_START + 169,
4367   EL_CUSTOM_START + 170,
4368   EL_CUSTOM_START + 171,
4369
4370   EL_CUSTOM_START + 172,
4371   EL_CUSTOM_START + 173,
4372   EL_CUSTOM_START + 174,
4373   EL_CUSTOM_START + 175,
4374
4375   EL_CUSTOM_START + 176,
4376   EL_CUSTOM_START + 177,
4377   EL_CUSTOM_START + 178,
4378   EL_CUSTOM_START + 179,
4379
4380   EL_CUSTOM_START + 180,
4381   EL_CUSTOM_START + 181,
4382   EL_CUSTOM_START + 182,
4383   EL_CUSTOM_START + 183,
4384
4385   EL_CUSTOM_START + 184,
4386   EL_CUSTOM_START + 185,
4387   EL_CUSTOM_START + 186,
4388   EL_CUSTOM_START + 187,
4389
4390   EL_CUSTOM_START + 188,
4391   EL_CUSTOM_START + 189,
4392   EL_CUSTOM_START + 190,
4393   EL_CUSTOM_START + 191,
4394
4395   EL_CUSTOM_START + 192,
4396   EL_CUSTOM_START + 193,
4397   EL_CUSTOM_START + 194,
4398   EL_CUSTOM_START + 195,
4399
4400   EL_CUSTOM_START + 196,
4401   EL_CUSTOM_START + 197,
4402   EL_CUSTOM_START + 198,
4403   EL_CUSTOM_START + 199,
4404
4405   EL_CUSTOM_START + 200,
4406   EL_CUSTOM_START + 201,
4407   EL_CUSTOM_START + 202,
4408   EL_CUSTOM_START + 203,
4409
4410   EL_CUSTOM_START + 204,
4411   EL_CUSTOM_START + 205,
4412   EL_CUSTOM_START + 206,
4413   EL_CUSTOM_START + 207,
4414
4415   EL_CUSTOM_START + 208,
4416   EL_CUSTOM_START + 209,
4417   EL_CUSTOM_START + 210,
4418   EL_CUSTOM_START + 211,
4419
4420   EL_CUSTOM_START + 212,
4421   EL_CUSTOM_START + 213,
4422   EL_CUSTOM_START + 214,
4423   EL_CUSTOM_START + 215,
4424
4425   EL_CUSTOM_START + 216,
4426   EL_CUSTOM_START + 217,
4427   EL_CUSTOM_START + 218,
4428   EL_CUSTOM_START + 219,
4429
4430   EL_CUSTOM_START + 220,
4431   EL_CUSTOM_START + 221,
4432   EL_CUSTOM_START + 222,
4433   EL_CUSTOM_START + 223,
4434
4435   EL_CUSTOM_START + 224,
4436   EL_CUSTOM_START + 225,
4437   EL_CUSTOM_START + 226,
4438   EL_CUSTOM_START + 227,
4439
4440   EL_CUSTOM_START + 228,
4441   EL_CUSTOM_START + 229,
4442   EL_CUSTOM_START + 230,
4443   EL_CUSTOM_START + 231,
4444
4445   EL_CUSTOM_START + 232,
4446   EL_CUSTOM_START + 233,
4447   EL_CUSTOM_START + 234,
4448   EL_CUSTOM_START + 235,
4449
4450   EL_CUSTOM_START + 236,
4451   EL_CUSTOM_START + 237,
4452   EL_CUSTOM_START + 238,
4453   EL_CUSTOM_START + 239,
4454
4455   EL_CUSTOM_START + 240,
4456   EL_CUSTOM_START + 241,
4457   EL_CUSTOM_START + 242,
4458   EL_CUSTOM_START + 243,
4459
4460   EL_CUSTOM_START + 244,
4461   EL_CUSTOM_START + 245,
4462   EL_CUSTOM_START + 246,
4463   EL_CUSTOM_START + 247,
4464
4465   EL_CUSTOM_START + 248,
4466   EL_CUSTOM_START + 249,
4467   EL_CUSTOM_START + 250,
4468   EL_CUSTOM_START + 251,
4469
4470   EL_CUSTOM_START + 252,
4471   EL_CUSTOM_START + 253,
4472   EL_CUSTOM_START + 254,
4473   EL_CUSTOM_START + 255
4474 };
4475 static int *editor_hl_custom_ptr = editor_hl_custom;
4476 static int *editor_el_custom_ptr = editor_el_custom;
4477 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4478 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4479
4480 static int editor_hl_group[] =
4481 {
4482   EL_INTERNAL_CASCADE_GE_ACTIVE,
4483   EL_CHAR('G'),
4484   EL_CHAR('E'),
4485   EL_EMPTY,
4486 };
4487
4488 static int editor_el_group[] =
4489 {
4490   EL_GROUP_START + 0,
4491   EL_GROUP_START + 1,
4492   EL_GROUP_START + 2,
4493   EL_GROUP_START + 3,
4494
4495   EL_GROUP_START + 4,
4496   EL_GROUP_START + 5,
4497   EL_GROUP_START + 6,
4498   EL_GROUP_START + 7,
4499
4500   EL_GROUP_START + 8,
4501   EL_GROUP_START + 9,
4502   EL_GROUP_START + 10,
4503   EL_GROUP_START + 11,
4504
4505   EL_GROUP_START + 12,
4506   EL_GROUP_START + 13,
4507   EL_GROUP_START + 14,
4508   EL_GROUP_START + 15,
4509
4510   EL_GROUP_START + 16,
4511   EL_GROUP_START + 17,
4512   EL_GROUP_START + 18,
4513   EL_GROUP_START + 19,
4514
4515   EL_GROUP_START + 20,
4516   EL_GROUP_START + 21,
4517   EL_GROUP_START + 22,
4518   EL_GROUP_START + 23,
4519
4520   EL_GROUP_START + 24,
4521   EL_GROUP_START + 25,
4522   EL_GROUP_START + 26,
4523   EL_GROUP_START + 27,
4524
4525   EL_GROUP_START + 28,
4526   EL_GROUP_START + 29,
4527   EL_GROUP_START + 30,
4528   EL_GROUP_START + 31
4529 };
4530 static int *editor_hl_group_ptr = editor_hl_group;
4531 static int *editor_el_group_ptr = editor_el_group;
4532 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4533 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4534
4535 static int editor_hl_reference[] =
4536 {
4537   EL_INTERNAL_CASCADE_REF_ACTIVE,
4538   EL_CHAR('R'),
4539   EL_CHAR('E'),
4540   EL_CHAR('F')
4541 };
4542
4543 static int editor_el_reference[] =
4544 {
4545   EL_TRIGGER_PLAYER,
4546   EL_TRIGGER_ELEMENT,
4547   EL_TRIGGER_CE_VALUE,
4548   EL_TRIGGER_CE_SCORE,
4549
4550   EL_SELF,
4551   EL_ANY_ELEMENT,
4552   EL_CURRENT_CE_VALUE,
4553   EL_CURRENT_CE_SCORE,
4554
4555   EL_PREV_CE_8,
4556   EL_PREV_CE_7,
4557   EL_PREV_CE_6,
4558   EL_PREV_CE_5,
4559
4560   EL_PREV_CE_4,
4561   EL_PREV_CE_3,
4562   EL_PREV_CE_2,
4563   EL_PREV_CE_1,
4564
4565   EL_NEXT_CE_1,
4566   EL_NEXT_CE_2,
4567   EL_NEXT_CE_3,
4568   EL_NEXT_CE_4,
4569
4570   EL_NEXT_CE_5,
4571   EL_NEXT_CE_6,
4572   EL_NEXT_CE_7,
4573   EL_NEXT_CE_8,
4574 };
4575 static int *editor_hl_reference_ptr = editor_hl_reference;
4576 static int *editor_el_reference_ptr = editor_el_reference;
4577 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4578 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4579
4580 static int editor_hl_user_defined[] =
4581 {
4582   EL_INTERNAL_CASCADE_USER_ACTIVE,
4583   EL_CHAR('M'),
4584   EL_CHAR('Y'),
4585   EL_EMPTY,
4586 };
4587
4588 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4589 static int *editor_el_user_defined_ptr = NULL;
4590 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4591 static int num_editor_el_user_defined = 0;
4592
4593 static int editor_hl_dynamic[] =
4594 {
4595   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4596   EL_CHAR('U'),
4597   EL_CHAR('S'),
4598   EL_CHAR('E'),
4599 };
4600
4601 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4602 static int *editor_el_dynamic_ptr = NULL;
4603 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4604 static int num_editor_el_dynamic = 0;
4605
4606 static int editor_hl_empty[] = { };
4607 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
4608
4609 static int *editor_hl_empty_ptr = editor_hl_empty;
4610 static int *editor_el_empty_ptr = editor_el_empty;
4611 static int num_editor_hl_empty = 0;
4612 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4613
4614 static boolean use_el_empty = FALSE;
4615
4616 static int *editor_elements = NULL;     /* dynamically allocated */
4617 static int num_editor_elements = 0;     /* dynamically determined */
4618
4619 static boolean setup_editor_show_always = TRUE;
4620 static boolean setup_editor_cascade_never = FALSE;
4621
4622 static int editor_hl_unused[] = { EL_EMPTY };
4623 static int *editor_hl_unused_ptr = editor_hl_unused;
4624 static int num_editor_hl_unused = 0;
4625
4626 static struct
4627 {
4628   boolean *setup_value;
4629   boolean *setup_cascade_value;
4630
4631   int **headline_list;
4632   int *headline_list_size;
4633
4634   int **element_list;
4635   int *element_list_size;
4636
4637   boolean last_setup_value;
4638 }
4639 editor_elements_info[] =
4640 {
4641   {
4642     &setup_editor_show_always,
4643     &setup_editor_cascade_never,
4644     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4645     &editor_el_players_ptr,             &num_editor_el_players
4646   },
4647   {
4648     &setup.editor.el_boulderdash,
4649     &setup.editor_cascade.el_bd,
4650     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4651     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4652   },
4653   {
4654     &setup.editor.el_emerald_mine,
4655     &setup.editor_cascade.el_em,
4656     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4657     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4658   },
4659   {
4660     &setup.editor.el_emerald_mine_club,
4661     &setup.editor_cascade.el_emc,
4662     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4663     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4664   },
4665   {
4666     &setup.editor.el_more,
4667     &setup.editor_cascade.el_rnd,
4668     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4669     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4670   },
4671   {
4672     &setup.editor.el_sokoban,
4673     &setup.editor_cascade.el_sb,
4674     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4675     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4676   },
4677   {
4678     &setup.editor.el_supaplex,
4679     &setup.editor_cascade.el_sp,
4680     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4681     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4682   },
4683   {
4684     &setup.editor.el_diamond_caves,
4685     &setup.editor_cascade.el_dc,
4686     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4687     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4688   },
4689   {
4690     &setup.editor.el_dx_boulderdash,
4691     &setup.editor_cascade.el_dx,
4692     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4693     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4694   },
4695   {
4696     &setup.editor.el_chars,
4697     &setup.editor_cascade.el_chars,
4698     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4699     &editor_el_chars_ptr,               &num_editor_el_chars
4700   },
4701   {
4702     &setup.editor.el_steel_chars,
4703     &setup.editor_cascade.el_steel_chars,
4704     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4705     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4706   },
4707   {
4708     &setup.editor.el_custom,
4709     &setup.editor_cascade.el_ce,
4710     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4711     &editor_el_custom_ptr,              &num_editor_el_custom
4712   },
4713   {
4714     &setup.editor.el_custom,
4715     &setup.editor_cascade.el_ge,
4716     &editor_hl_group_ptr,               &num_editor_hl_group,
4717     &editor_el_group_ptr,               &num_editor_el_group
4718   },
4719   {
4720     &setup.editor.el_custom,
4721     &setup.editor_cascade.el_ref,
4722     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4723     &editor_el_reference_ptr,           &num_editor_el_reference
4724   },
4725   {
4726     &setup.editor.el_user_defined,
4727     &setup.editor_cascade.el_user,
4728     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4729     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4730   },
4731   {
4732     &setup.editor.el_dynamic,
4733     &setup.editor_cascade.el_dynamic,
4734     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4735     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4736   },
4737   {
4738     &use_el_empty,
4739     &use_el_empty,
4740     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4741     &editor_el_empty_ptr,               &num_editor_el_empty,
4742   },
4743   {
4744     NULL,
4745     NULL,
4746     NULL,                               NULL,
4747     NULL,                               NULL
4748   }
4749 };
4750
4751
4752 /*
4753   -----------------------------------------------------------------------------
4754   functions
4755   -----------------------------------------------------------------------------
4756 */
4757
4758 static int getMaxInfoTextLength()
4759 {
4760   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4761 }
4762
4763 static int getTextWidthForGadget(char *text)
4764 {
4765   if (text == NULL)
4766     return 0;
4767
4768   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4769 }
4770
4771 static int getTextWidthForDrawingArea(char *text)
4772 {
4773   if (text == NULL)
4774     return 0;
4775
4776   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4777 }
4778
4779 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4780 {
4781   return (gi->x + gi->width + getTextWidthForGadget(text));
4782 }
4783
4784 static char *getElementInfoText(int element)
4785 {
4786   char *info_text = NULL;
4787
4788   if (element < MAX_NUM_ELEMENTS)
4789   {
4790     if (strlen(element_info[element].description) > 0)
4791       info_text = element_info[element].description;
4792     else if (element_info[element].custom_description != NULL)
4793       info_text = element_info[element].custom_description;
4794     else if (element_info[element].editor_description != NULL)
4795       info_text = element_info[element].editor_description;
4796   }
4797
4798   if (info_text == NULL)
4799     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4800
4801   return info_text;
4802 }
4803
4804 char *getElementDescriptionFilename(int element)
4805 {
4806   char *docs_dir = options.docs_directory;
4807   char *elements_subdir = "elements";
4808   static char *filename = NULL;
4809   char basename[MAX_FILENAME_LEN];
4810
4811   checked_free(filename);
4812
4813   /* 1st try: look for element description file for exactly this element */
4814   sprintf(basename, "%s.txt", element_info[element].token_name);
4815   filename = getPath3(docs_dir, elements_subdir, basename);
4816   if (fileExists(filename))
4817     return filename;
4818
4819   free(filename);
4820
4821   /* 2nd try: look for element description file for this element's class */
4822   sprintf(basename, "%s.txt", element_info[element].class_name);
4823   filename = getPath3(docs_dir, elements_subdir, basename);
4824   if (fileExists(filename))
4825     return filename;
4826
4827   return NULL;
4828 }
4829
4830 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4831 {
4832   boolean element_found[NUM_FILE_ELEMENTS];
4833   int i, x, y;
4834
4835   /* initialize list of used elements to "not used" */
4836   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4837     element_found[i] = FALSE;
4838
4839   /* find all elements used in current level */
4840   for (y = 0; y < lev_fieldy; y++)
4841     for (x = 0; x < lev_fieldx; x++)
4842       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4843         element_found[Feld[x][y]] = TRUE;
4844
4845   *num_elements = 0;
4846
4847   /* count number of elements used in current level */
4848   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4849     if (element_found[i])
4850       (*num_elements)++;
4851
4852   /* add space for up to 3 more elements for padding that may be needed */
4853   *num_elements += 3;
4854
4855   /* free memory for old list of elements, if needed */
4856   checked_free(*elements);
4857
4858   /* allocate memory for new list of elements */
4859   *elements = checked_malloc(*num_elements * sizeof(int));
4860
4861   *num_elements = 0;
4862
4863   /* add all elements used in current level (non-custom/group elements) */
4864   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4865     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4866       (*elements)[(*num_elements)++] = i;
4867
4868   /* add all elements used in current level (custom/group elements) */
4869   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4870     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4871       (*elements)[(*num_elements)++] = i;
4872
4873   while (*num_elements % 4)     /* pad with empty elements, if needed */
4874     (*elements)[(*num_elements)++] = EL_EMPTY;
4875 }
4876
4877 static void ReinitializeElementList()
4878 {
4879   static boolean initialization_needed = TRUE;
4880   int pos = 0;
4881   int i, j;
4882
4883   if (initialization_needed)
4884   {
4885     LoadSetup_EditorCascade();          /* load last editor cascade state */
4886
4887     /* initialize editor cascade element from saved cascade state */
4888     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4889     {
4890       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4891       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4892
4893       if (IS_EDITOR_CASCADE(*cascade_element))
4894         *cascade_element =
4895           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4896            EL_CASCADE_INACTIVE(*cascade_element));
4897     }
4898
4899     initialization_needed = FALSE;
4900   }
4901
4902   checked_free(editor_elements);
4903
4904   /* reload optional user defined element list for each invocation of editor */
4905   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4906                                    &num_editor_el_user_defined);
4907
4908   /* initialize dynamic level element list for each invocation of editor */
4909   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4910                                &num_editor_el_dynamic);
4911
4912   /* initialize list of empty elements (used for padding, if needed) */
4913   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4914     editor_el_empty[i] = EL_EMPTY;
4915
4916   /* do some sanity checks for each element from element list */
4917   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4918   {
4919     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4920     {
4921       int element = (*editor_elements_info[i].element_list)[j];
4922
4923       if (element >= NUM_FILE_ELEMENTS)
4924         Error(ERR_WARN, "editor element %d is runtime element", element);
4925
4926       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4927         Error(ERR_WARN, "no element description for element %d", element);
4928     }
4929   }
4930
4931   num_editor_elements = 0;
4932   use_el_empty = FALSE;
4933
4934   /* determine size of element list */
4935   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4936   {
4937     boolean found_inactive_cascade = FALSE;
4938
4939     if (*editor_elements_info[i].setup_value)
4940     {
4941       if (setup.editor.el_headlines)
4942       {
4943         num_editor_elements += *editor_elements_info[i].headline_list_size;
4944
4945         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4946         {
4947           int element = (*editor_elements_info[i].headline_list)[j];
4948
4949           if (IS_EDITOR_CASCADE_INACTIVE(element))
4950             found_inactive_cascade = TRUE;
4951         }
4952       }
4953
4954       if (found_inactive_cascade)
4955         continue;
4956
4957       num_editor_elements += *editor_elements_info[i].element_list_size;
4958     }
4959   }
4960
4961   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
4962   {
4963     /* offer at least as many elements as element buttons exist */
4964     use_el_empty = TRUE;
4965     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
4966
4967     num_editor_elements += num_editor_el_empty;
4968   }
4969
4970   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
4971
4972   /* fill element list */
4973   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4974   {
4975     boolean found_inactive_cascade = FALSE;
4976
4977     if (*editor_elements_info[i].setup_value)
4978     {
4979       if (setup.editor.el_headlines)
4980       {
4981         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4982         {
4983           int element = (*editor_elements_info[i].headline_list)[j];
4984
4985           editor_elements[pos++] = element;
4986
4987           if (IS_EDITOR_CASCADE_INACTIVE(element))
4988             found_inactive_cascade = TRUE;
4989         }
4990       }
4991
4992       if (found_inactive_cascade)
4993         continue;
4994
4995       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4996         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
4997     }
4998   }
4999
5000   /* (this function is also called before editor gadgets are initialized!) */
5001   AdjustElementListScrollbar();
5002 }
5003
5004 void PrintEditorElementList()
5005 {
5006   boolean *stop = &setup.editor.el_user_defined;
5007   int i, j;
5008
5009   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5010   {
5011     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5012
5013     if (IS_EDITOR_CASCADE(cascade_element))
5014     {
5015       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5016       char *headline = element_info[cascade_element_show].editor_description;
5017
5018       printf_line_with_prefix("# ", "-", 77);
5019       printf("# %s\n", headline);
5020       printf_line_with_prefix("# ", "-", 77);
5021     }
5022
5023     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5024     {
5025       int element = (*editor_elements_info[i].headline_list)[j];
5026
5027       if (IS_EDITOR_CASCADE(element))
5028         element = EL_CHAR_MINUS;
5029
5030       printf("# %s\n", element_info[element].token_name);
5031     }
5032
5033     if (j > 0)
5034       printf("#\n");
5035
5036     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5037     {
5038       int element = (*editor_elements_info[i].element_list)[j];
5039
5040       printf("# %s\n", element_info[element].token_name);
5041     }
5042
5043     if (j > 0)
5044       printf("#\n");
5045   }
5046 }
5047
5048 static void ReinitializeElementListButtons()
5049 {
5050   static boolean last_setup_value_headlines = FALSE;
5051   static boolean initialization_needed = TRUE;
5052   int i;
5053
5054   if (!initialization_needed)   /* check if editor element setup has changed */
5055   {
5056     if (last_setup_value_headlines != setup.editor.el_headlines)
5057       initialization_needed = TRUE;
5058
5059     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5060       if (editor_elements_info[i].last_setup_value !=
5061           *editor_elements_info[i].setup_value)
5062         initialization_needed = TRUE;
5063   }
5064
5065   if (!initialization_needed)
5066     return;
5067
5068   FreeLevelEditorGadgets();
5069   CreateLevelEditorGadgets();
5070
5071   /* store current setup values for next invocation of this function */
5072   last_setup_value_headlines = setup.editor.el_headlines;
5073   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5074     editor_elements_info[i].last_setup_value =
5075       *editor_elements_info[i].setup_value;
5076
5077   initialization_needed = FALSE;
5078 }
5079
5080 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5081                               boolean input)
5082 {
5083   int border_graphic =
5084     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5085   Bitmap *src_bitmap;
5086   int src_x, src_y;
5087   int bx = (input ? 4 : 8);
5088   int by = (input ? 4 : 8);
5089   int bx2 = TILEX - bx;
5090   int by2 = TILEY - by;
5091   int i;
5092
5093   getGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5094
5095   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5096              bx, by, dest_x - bx, dest_y - by);
5097   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5098              bx, by, dest_x + width, dest_y - by);
5099   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5100              bx, by, dest_x - bx, dest_y + height);
5101   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5102              bx, by, dest_x + width, dest_y + height);
5103
5104   for (i = 0; i < width / MINI_TILEX; i++)
5105   {
5106     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5107                dest_x + i * MINI_TILEX, dest_y - by);
5108     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5109                dest_x + i * MINI_TILEX, dest_y + height);
5110   }
5111
5112   for (i = 0; i < height / MINI_TILEY; i++)
5113   {
5114     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5115                dest_x - bx, dest_y + i * MINI_TILEY);
5116     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5117                dest_x + width, dest_y + i * MINI_TILEY);
5118   }
5119
5120   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5121 }
5122
5123 static void DrawDrawingArea(int id)
5124 {
5125   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5126   int x, y;
5127
5128   int *value = drawingarea_info[id].value;
5129   int area_xsize = drawingarea_info[id].area_xsize;
5130   int area_ysize = drawingarea_info[id].area_ysize;
5131
5132   for (x = 0; x < area_xsize; x++)
5133     for (y = 0; y < area_ysize; y++)
5134       DrawMiniGraphicExt(drawto,
5135                          gi->x + x * MINI_TILEX,
5136                          gi->y + y * MINI_TILEY,
5137                          el2edimg(value[x * area_ysize + y]));
5138 }
5139
5140 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5141 {
5142 #if 0
5143   /* (directly solved in BlitBitmap() now) */
5144   static Bitmap *tmp_backbuffer = NULL;
5145 #endif
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 #if 0
5151   /* (directly solved in BlitBitmap() now) */
5152   if (tmp_backbuffer == NULL)
5153     tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
5154
5155   /* needed when blitting directly to same bitmap -- should not be needed with
5156      recent SDL libraries, but apparently does not work in 1.2.11 directly */
5157   BlitBitmap(drawto, tmp_backbuffer,
5158              SX + (dx == -1 ? MINI_TILEX : 0),
5159              SY + (dy == -1 ? MINI_TILEY : 0),
5160              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5161              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5162              SX + (dx == +1 ? MINI_TILEX : 0),
5163              SY + (dy == +1 ? MINI_TILEY : 0));
5164   BlitBitmap(tmp_backbuffer, drawto,
5165              SX + (dx == +1 ? MINI_TILEX : 0),
5166              SY + (dy == +1 ? MINI_TILEY : 0),
5167              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5168              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5169              SX + (dx == +1 ? MINI_TILEX : 0),
5170              SY + (dy == +1 ? MINI_TILEY : 0));
5171
5172 #else
5173
5174   BlitBitmap(drawto, drawto,
5175              SX + (dx == -1 ? MINI_TILEX : 0),
5176              SY + (dy == -1 ? MINI_TILEY : 0),
5177              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5178              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5179              SX + (dx == +1 ? MINI_TILEX : 0),
5180              SY + (dy == +1 ? MINI_TILEY : 0));
5181 #endif
5182
5183   if (dx)
5184   {
5185     x = (dx == 1 ? 0 : ed_fieldx - 1);
5186     for (y = 0; y < ed_fieldy; y++)
5187       DrawMiniElementOrWall(x, y, from_x, from_y);
5188   }
5189   else if (dy)
5190   {
5191     y = (dy == 1 ? 0 : ed_fieldy - 1);
5192     for (x = 0; x < ed_fieldx; x++)
5193       DrawMiniElementOrWall(x, y, from_x, from_y);
5194   }
5195
5196   redraw_mask |= REDRAW_FIELD;
5197   BackToFront();
5198 }
5199
5200 static void CreateControlButtons()
5201 {
5202   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5203   struct GadgetInfo *gi;
5204   unsigned long event_mask;
5205   int i;
5206
5207   /* create toolbox buttons */
5208   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5209   {
5210     int id = i;
5211     int width, height;
5212     int gd_xoffset, gd_yoffset;
5213     int gd_x1, gd_x2, gd_y1, gd_y2;
5214     int button_type;
5215     int radio_button_nr;
5216     boolean checked;
5217
5218     if (id == GADGET_ID_SINGLE_ITEMS ||
5219         id == GADGET_ID_CONNECTED_ITEMS ||
5220         id == GADGET_ID_LINE ||
5221         id == GADGET_ID_ARC ||
5222         id == GADGET_ID_TEXT ||
5223         id == GADGET_ID_RECTANGLE ||
5224         id == GADGET_ID_FILLED_BOX ||
5225         id == GADGET_ID_FLOOD_FILL ||
5226         id == GADGET_ID_GRAB_BRUSH ||
5227         id == GADGET_ID_PICK_ELEMENT ||
5228         id == GADGET_ID_CUSTOM_COPY_FROM ||
5229         id == GADGET_ID_CUSTOM_COPY_TO ||
5230         id == GADGET_ID_CUSTOM_EXCHANGE)
5231     {
5232       button_type = GD_TYPE_RADIO_BUTTON;
5233       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5234       checked = (id == drawing_function ? TRUE : FALSE);
5235       event_mask = GD_EVENT_PRESSED;
5236     }
5237     else
5238     {
5239       button_type = GD_TYPE_NORMAL_BUTTON;
5240       radio_button_nr = RADIO_NR_NONE;
5241       checked = FALSE;
5242
5243       if (id == GADGET_ID_WRAP_LEFT ||
5244           id == GADGET_ID_WRAP_RIGHT ||
5245           id == GADGET_ID_WRAP_UP ||
5246           id == GADGET_ID_WRAP_DOWN)
5247         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5248       else
5249         event_mask = GD_EVENT_RELEASED;
5250     }
5251
5252     if (id < ED_NUM_CTRL1_BUTTONS)
5253     {
5254       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5255       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5256
5257       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5258       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5259       width  = ED_CTRL1_BUTTON_XSIZE;
5260       height = ED_CTRL1_BUTTON_YSIZE;
5261
5262       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5263       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5264       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5265       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5266     }
5267     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5268     {
5269       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5270       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5271
5272       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5273       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5274       width  = ED_CTRL2_BUTTON_XSIZE;
5275       height = ED_CTRL2_BUTTON_YSIZE;
5276
5277       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5278       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5279       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5280       gd_y2 = 0;        /* no alternative graphic for these buttons */
5281     }
5282     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5283     {
5284       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5285       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5286
5287       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5288       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5289       width  = ED_CTRL3_BUTTON_XSIZE;
5290       height = ED_CTRL3_BUTTON_YSIZE;
5291
5292       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5293       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5294       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5295       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5296     }
5297     else
5298     {
5299       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5300       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5301
5302       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5303       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5304       width  = ED_CTRL4_BUTTON_XSIZE;
5305       height = ED_CTRL4_BUTTON_YSIZE;
5306
5307       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5308       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5309       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5310       gd_y2 = 0;        /* no alternative graphic for these buttons */
5311     }
5312
5313     gi = CreateGadget(GDI_CUSTOM_ID, id,
5314                       GDI_CUSTOM_TYPE_ID, i,
5315                       GDI_INFO_TEXT, control_info[i].text,
5316                       GDI_X, EX + gd_xoffset,
5317                       GDI_Y, EY + gd_yoffset,
5318                       GDI_WIDTH, width,
5319                       GDI_HEIGHT, height,
5320                       GDI_TYPE, button_type,
5321                       GDI_STATE, GD_BUTTON_UNPRESSED,
5322                       GDI_RADIO_NR, radio_button_nr,
5323                       GDI_CHECKED, checked,
5324                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5325                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5326                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5327                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5328                       GDI_EVENT_MASK, event_mask,
5329                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5330                       GDI_CALLBACK_ACTION, HandleControlButtons,
5331                       GDI_END);
5332
5333     if (gi == NULL)
5334       Error(ERR_EXIT, "cannot create gadget");
5335
5336     level_editor_gadget[id] = gi;
5337   }
5338
5339   /* create buttons for scrolling of drawing area and element list */
5340   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5341   {
5342     int id = scrollbutton_info[i].gadget_id;
5343     int x, y, width, height;
5344     int gd_x1, gd_x2, gd_y1, gd_y2;
5345
5346     x = scrollbutton_info[i].x;
5347     y = scrollbutton_info[i].y;
5348
5349     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5350
5351     if (id == GADGET_ID_SCROLL_LIST_UP ||
5352         id == GADGET_ID_SCROLL_LIST_DOWN)
5353     {
5354       x += DX;
5355       y += DY;
5356       width = ED_SCROLLBUTTON2_XSIZE;
5357       height = ED_SCROLLBUTTON2_YSIZE;
5358       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5359       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5360       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
5361       gd_y2 = gd_y1;
5362     }
5363     else
5364     {
5365       x += SX;
5366       y += SY;
5367       width = ED_SCROLLBUTTON_XSIZE;
5368       height = ED_SCROLLBUTTON_YSIZE;
5369       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5370       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5371       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5372       gd_y2 = gd_y1;
5373     }
5374
5375     gi = CreateGadget(GDI_CUSTOM_ID, id,
5376                       GDI_CUSTOM_TYPE_ID, i,
5377                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5378                       GDI_X, x,
5379                       GDI_Y, y,
5380                       GDI_WIDTH, width,
5381                       GDI_HEIGHT, height,
5382                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5383                       GDI_STATE, GD_BUTTON_UNPRESSED,
5384                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5385                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5386                       GDI_EVENT_MASK, event_mask,
5387                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5388                       GDI_CALLBACK_ACTION, HandleControlButtons,
5389                       GDI_END);
5390
5391     if (gi == NULL)
5392       Error(ERR_EXIT, "cannot create gadget");
5393
5394     level_editor_gadget[id] = gi;
5395   }
5396
5397   /* create buttons for element list */
5398   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5399   {
5400     Bitmap *deco_bitmap;
5401     int deco_x, deco_y, deco_xpos, deco_ypos;
5402     int gd_xoffset, gd_yoffset;
5403     int gd_x1, gd_x2, gd_y;
5404     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5405     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5406     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5407     int element = editor_elements[i];
5408
5409     event_mask = GD_EVENT_RELEASED;
5410
5411     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
5412     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
5413
5414     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
5415     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
5416     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
5417
5418     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5419     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
5420     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
5421
5422     gi = CreateGadget(GDI_CUSTOM_ID, id,
5423                       GDI_CUSTOM_TYPE_ID, i,
5424                       GDI_INFO_TEXT, getElementInfoText(element),
5425                       GDI_X, DX + gd_xoffset,
5426                       GDI_Y, DY + gd_yoffset,
5427                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
5428                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
5429                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5430                       GDI_STATE, GD_BUTTON_UNPRESSED,
5431                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5432                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5433                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5434                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5435                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5436                       GDI_DECORATION_SHIFTING, 1, 1,
5437                       GDI_EVENT_MASK, event_mask,
5438                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5439                       GDI_CALLBACK_ACTION, HandleControlButtons,
5440                       GDI_END);
5441
5442     if (gi == NULL)
5443       Error(ERR_EXIT, "cannot create gadget");
5444
5445     level_editor_gadget[id] = gi;
5446   }
5447 }
5448
5449 static void CreateCounterButtons()
5450 {
5451   int max_infotext_len = getMaxInfoTextLength();
5452   int i;
5453
5454   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5455   {
5456     int j;
5457     int x = SX + counterbutton_info[i].x;       /* down count button */
5458     int y = SY + counterbutton_info[i].y;
5459
5460     /* determine horizontal position to the right of specified gadget */
5461     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5462       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5463            ED_GADGET_TEXT_DISTANCE);
5464
5465     /* determine horizontal offset for leading text */
5466     if (counterbutton_info[i].text_left != NULL)
5467       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5468
5469     for (j = 0; j < 2; j++)
5470     {
5471       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5472       struct GadgetInfo *gi;
5473       int id = (j == 0 ?
5474                 counterbutton_info[i].gadget_id_down :
5475                 counterbutton_info[i].gadget_id_up);
5476       int gd_xoffset;
5477       int gd_x, gd_x1, gd_x2, gd_y;
5478       int x_size, y_size;
5479       unsigned long event_mask;
5480       char infotext[max_infotext_len + 1];
5481
5482       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5483
5484       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5485       {
5486         int sid = (j == 0 ?
5487                    ED_SCROLLBUTTON_ID_AREA_LEFT :
5488                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
5489
5490         event_mask |= GD_EVENT_RELEASED;
5491
5492         if (j == 1)
5493           x += 2 * ED_GADGET_DISTANCE;
5494         y += ED_GADGET_DISTANCE;
5495
5496         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
5497         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5498         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
5499         x_size = ED_SCROLLBUTTON_XSIZE;
5500         y_size = ED_SCROLLBUTTON_YSIZE;
5501       }
5502       else
5503       {
5504         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5505         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5506         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5507         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5508         x_size = ED_BUTTON_COUNT_XSIZE;
5509         y_size = ED_BUTTON_COUNT_YSIZE;
5510       }
5511
5512       sprintf(infotext, "%s counter value by 1, 5 or 10",
5513               (j == 0 ? "decrease" : "increase"));
5514
5515       gi = CreateGadget(GDI_CUSTOM_ID, id,
5516                         GDI_CUSTOM_TYPE_ID, i,
5517                         GDI_INFO_TEXT, infotext,
5518                         GDI_X, x,
5519                         GDI_Y, y,
5520                         GDI_WIDTH, x_size,
5521                         GDI_HEIGHT, y_size,
5522                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5523                         GDI_STATE, GD_BUTTON_UNPRESSED,
5524                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5525                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5526                         GDI_EVENT_MASK, event_mask,
5527                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5528                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5529                         GDI_END);
5530
5531       if (gi == NULL)
5532         Error(ERR_EXIT, "cannot create gadget");
5533
5534       level_editor_gadget[id] = gi;
5535       right_gadget_border[id] =
5536         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5537
5538       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5539
5540       if (j == 0)
5541       {
5542         int font_type = FONT_INPUT_1;
5543         int font_type_active = FONT_INPUT_1_ACTIVE;
5544         int gd_width = ED_WIN_COUNT_XSIZE;
5545
5546         id = counterbutton_info[i].gadget_id_text;
5547         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5548
5549         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5550         {
5551           font_type = FONT_LEVEL_NUMBER;
5552 #if 1
5553           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5554 #else
5555           font_type_active = FONT_LEVEL_NUMBER;
5556 #endif
5557           x += 2 * ED_GADGET_DISTANCE;
5558           y -= ED_GADGET_DISTANCE;
5559
5560           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5561           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5562           gd_width = ED_WIN_COUNT2_XSIZE;
5563         }
5564         else
5565         {
5566           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5567           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5568         }
5569
5570         gi = CreateGadget(GDI_CUSTOM_ID, id,
5571                           GDI_CUSTOM_TYPE_ID, i,
5572                           GDI_INFO_TEXT, "enter counter value",
5573                           GDI_X, x,
5574                           GDI_Y, y,
5575                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5576                           GDI_NUMBER_VALUE, 0,
5577                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5578                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5579                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5580                           GDI_TEXT_FONT, font_type,
5581                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5582                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5583                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5584                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5585                           GDI_DESIGN_WIDTH, gd_width,
5586                           GDI_EVENT_MASK, event_mask,
5587                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5588                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5589                           GDI_END);
5590
5591         if (gi == NULL)
5592           Error(ERR_EXIT, "cannot create gadget");
5593
5594         level_editor_gadget[id] = gi;
5595         right_gadget_border[id] =
5596           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5597
5598         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5599       }
5600     }
5601   }
5602 }
5603
5604 static void CreateDrawingAreas()
5605 {
5606   int i;
5607
5608   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5609   {
5610     struct GadgetInfo *gi;
5611     unsigned long event_mask;
5612     int id = drawingarea_info[i].gadget_id;
5613     int x = SX + drawingarea_info[i].x;
5614     int y = SY + drawingarea_info[i].y;
5615     int area_xsize = drawingarea_info[i].area_xsize;
5616     int area_ysize = drawingarea_info[i].area_ysize;
5617
5618     event_mask =
5619       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5620       GD_EVENT_OFF_BORDERS;
5621
5622     /* determine horizontal position to the right of specified gadget */
5623     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5624       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5625            ED_DRAWINGAREA_TEXT_DISTANCE);
5626
5627     /* determine horizontal offset for leading text */
5628     if (drawingarea_info[i].text_left != NULL)
5629       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5630
5631     gi = CreateGadget(GDI_CUSTOM_ID, id,
5632                       GDI_CUSTOM_TYPE_ID, i,
5633                       GDI_X, x,
5634                       GDI_Y, y,
5635                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5636                       GDI_AREA_SIZE, area_xsize, area_ysize,
5637                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5638                       GDI_EVENT_MASK, event_mask,
5639                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5640                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5641                       GDI_END);
5642
5643     if (gi == NULL)
5644       Error(ERR_EXIT, "cannot create gadget");
5645
5646     level_editor_gadget[id] = gi;
5647     right_gadget_border[id] =
5648       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5649   }
5650 }
5651
5652 static void CreateTextInputGadgets()
5653 {
5654   int max_infotext_len = getMaxInfoTextLength();
5655   int i;
5656
5657   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5658   {
5659     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5660     int gd_x, gd_y;
5661     struct GadgetInfo *gi;
5662     unsigned long event_mask;
5663     char infotext[MAX_OUTPUT_LINESIZE + 1];
5664     int id = textinput_info[i].gadget_id;
5665
5666     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5667
5668     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5669     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5670
5671     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5672     infotext[max_infotext_len] = '\0';
5673
5674     gi = CreateGadget(GDI_CUSTOM_ID, id,
5675                       GDI_CUSTOM_TYPE_ID, i,
5676                       GDI_INFO_TEXT, infotext,
5677                       GDI_X, SX + textinput_info[i].x,
5678                       GDI_Y, SY + textinput_info[i].y,
5679                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5680                       GDI_TEXT_VALUE, textinput_info[i].value,
5681                       GDI_TEXT_SIZE, textinput_info[i].size,
5682                       GDI_TEXT_FONT, FONT_INPUT_1,
5683                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5684                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5685                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5686                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5687                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5688                       GDI_EVENT_MASK, event_mask,
5689                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5690                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5691                       GDI_END);
5692
5693     if (gi == NULL)
5694       Error(ERR_EXIT, "cannot create gadget");
5695
5696     level_editor_gadget[id] = gi;
5697   }
5698 }
5699
5700 static void CreateTextAreaGadgets()
5701 {
5702   int max_infotext_len = getMaxInfoTextLength();
5703   int i;
5704
5705   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5706   {
5707     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5708     int gd_x, gd_y;
5709     struct GadgetInfo *gi;
5710     unsigned long event_mask;
5711     char infotext[MAX_OUTPUT_LINESIZE + 1];
5712     int id = textarea_info[i].gadget_id;
5713     int area_xsize = textarea_info[i].xsize;
5714     int area_ysize = textarea_info[i].ysize;
5715
5716     event_mask = GD_EVENT_TEXT_LEAVING;
5717
5718     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5719     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5720
5721     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5722     infotext[max_infotext_len] = '\0';
5723
5724     gi = CreateGadget(GDI_CUSTOM_ID, id,
5725                       GDI_CUSTOM_TYPE_ID, i,
5726                       GDI_INFO_TEXT, infotext,
5727                       GDI_X, SX + textarea_info[i].x,
5728                       GDI_Y, SY + textarea_info[i].y,
5729                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5730                       GDI_AREA_SIZE, area_xsize, area_ysize,
5731                       GDI_TEXT_FONT, FONT_INPUT_1,
5732                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5733                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5734                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5735                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5736                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5737                       GDI_EVENT_MASK, event_mask,
5738                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5739                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5740                       GDI_END);
5741
5742     if (gi == NULL)
5743       Error(ERR_EXIT, "cannot create gadget");
5744
5745     level_editor_gadget[id] = gi;
5746   }
5747 }
5748
5749 static void CreateSelectboxGadgets()
5750 {
5751   int max_infotext_len = getMaxInfoTextLength();
5752   int i, j;
5753
5754   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5755   {
5756     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5757     int gd_x, gd_y;
5758     struct GadgetInfo *gi;
5759     unsigned long event_mask;
5760     char infotext[MAX_OUTPUT_LINESIZE + 1];
5761     int id = selectbox_info[i].gadget_id;
5762     int x = SX + selectbox_info[i].x;
5763     int y = SY + selectbox_info[i].y;
5764
5765     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5766     {
5767       /* (we cannot use -1 for uninitialized values if we directly compare
5768          with results from strlen(), because the '<' and '>' operation will
5769          implicitely cast -1 to an unsigned integer value!) */
5770       selectbox_info[i].size = 0;
5771
5772       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5773         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5774           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5775
5776       selectbox_info[i].size++;         /* add one character empty space */
5777     }
5778
5779     event_mask = GD_EVENT_RELEASED |
5780       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5781
5782     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5783     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5784
5785     /* determine horizontal position to the right of specified gadget */
5786     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5787       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5788            ED_GADGET_TEXT_DISTANCE);
5789
5790     /* determine horizontal offset for leading text */
5791     if (selectbox_info[i].text_left != NULL)
5792       x += getTextWidthForGadget(selectbox_info[i].text_left);
5793
5794     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5795     infotext[max_infotext_len] = '\0';
5796
5797     gi = CreateGadget(GDI_CUSTOM_ID, id,
5798                       GDI_CUSTOM_TYPE_ID, i,
5799                       GDI_INFO_TEXT, infotext,
5800                       GDI_X, x,
5801                       GDI_Y, y,
5802                       GDI_TYPE, GD_TYPE_SELECTBOX,
5803                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5804                       GDI_TEXT_SIZE, selectbox_info[i].size,
5805                       GDI_TEXT_FONT, FONT_INPUT_1,
5806                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5807                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5808                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5809                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5810                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5811                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5812                       GDI_EVENT_MASK, event_mask,
5813                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5814                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5815                       GDI_END);
5816
5817     if (gi == NULL)
5818       Error(ERR_EXIT, "cannot create gadget");
5819
5820     level_editor_gadget[id] = gi;
5821     right_gadget_border[id] =
5822       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5823   }
5824 }
5825
5826 static void CreateTextbuttonGadgets()
5827 {
5828   int max_infotext_len = getMaxInfoTextLength();
5829   int i;
5830
5831   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5832   {
5833     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5834     int gd_x1, gd_x2, gd_y1, gd_y2;
5835     struct GadgetInfo *gi;
5836     unsigned long event_mask;
5837     char infotext[MAX_OUTPUT_LINESIZE + 1];
5838     int id = textbutton_info[i].gadget_id;
5839     int x = SX + textbutton_info[i].x;
5840     int y = SY + textbutton_info[i].y;
5841
5842     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5843       textbutton_info[i].size = strlen(textbutton_info[i].text);
5844
5845     event_mask = GD_EVENT_RELEASED;
5846
5847     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5848         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5849     {
5850       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5851       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5852       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5853       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5854     }
5855     else
5856     {
5857       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5858       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5859       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5860       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5861     }
5862
5863     sprintf(infotext, "%s", textbutton_info[i].infotext);
5864     infotext[max_infotext_len] = '\0';
5865
5866     /* determine horizontal position to the right of specified gadget */
5867     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5868       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5869            ED_GADGET_TEXT_DISTANCE);
5870
5871     /* determine horizontal offset for leading text */
5872     if (textbutton_info[i].text_left != NULL)
5873       x += getTextWidthForGadget(textbutton_info[i].text_left);
5874
5875     gi = CreateGadget(GDI_CUSTOM_ID, id,
5876                       GDI_CUSTOM_TYPE_ID, i,
5877                       GDI_INFO_TEXT, infotext,
5878                       GDI_X, x,
5879                       GDI_Y, y,
5880                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5881                       GDI_TEXT_VALUE, textbutton_info[i].text,
5882                       GDI_TEXT_SIZE, textbutton_info[i].size,
5883                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5884                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5885                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5886                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5887                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5888                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5889                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5890                       GDI_DECORATION_SHIFTING, 1, 1,
5891                       GDI_EVENT_MASK, event_mask,
5892                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5893                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5894                       GDI_END);
5895
5896     if (gi == NULL)
5897       Error(ERR_EXIT, "cannot create gadget");
5898
5899     level_editor_gadget[id] = gi;
5900     right_gadget_border[id] =
5901       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5902   }
5903 }
5904
5905 static void CreateGraphicbuttonGadgets()
5906 {
5907   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5908   struct GadgetInfo *gi;
5909   unsigned long event_mask;
5910   int i;
5911
5912   /* create buttons for scrolling of drawing area and element list */
5913   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5914   {
5915     int id = graphicbutton_info[i].gadget_id;
5916     int gd_x1, gd_x2, gd_y1, gd_y2;
5917     int x = SX + graphicbutton_info[i].x;
5918     int y = SY + graphicbutton_info[i].y;
5919
5920     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5921
5922     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5923     {
5924       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5925       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5926       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5927       gd_y2 = gd_y1;
5928     }
5929     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5930     {
5931       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5932       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5933       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5934       gd_y2 = gd_y1;
5935     }
5936
5937     /* determine horizontal position to the right of specified gadget */
5938     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5939       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5940            ED_GADGET_TEXT_DISTANCE);
5941
5942     /* determine horizontal offset for leading text */
5943     if (graphicbutton_info[i].text_left != NULL)
5944       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5945
5946     gi = CreateGadget(GDI_CUSTOM_ID, id,
5947                       GDI_CUSTOM_TYPE_ID, i,
5948                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5949                       GDI_X, x,
5950                       GDI_Y, y,
5951                       GDI_WIDTH, graphicbutton_info[i].width,
5952                       GDI_HEIGHT, graphicbutton_info[i].height,
5953                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5954                       GDI_STATE, GD_BUTTON_UNPRESSED,
5955                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5956                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5957                       GDI_EVENT_MASK, event_mask,
5958                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5959                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
5960                       GDI_END);
5961
5962     if (gi == NULL)
5963       Error(ERR_EXIT, "cannot create gadget");
5964
5965     level_editor_gadget[id] = gi;
5966     right_gadget_border[id] =
5967       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
5968   }
5969 }
5970
5971 static void CreateScrollbarGadgets()
5972 {
5973   int i;
5974
5975   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
5976   {
5977     int id = scrollbar_info[i].gadget_id;
5978     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5979     int gd_x1, gd_x2, gd_y1, gd_y2;
5980     struct GadgetInfo *gi;
5981     int items_max, items_visible, item_position;
5982     unsigned long event_mask;
5983
5984     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
5985     {
5986       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
5987       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
5988       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
5989     }
5990     else        /* drawing area scrollbars */
5991     {
5992       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
5993       {
5994         items_max = MAX(lev_fieldx + 2, ed_fieldx);
5995         items_visible = ed_fieldx;
5996         item_position = 0;
5997       }
5998       else
5999       {
6000         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6001         items_visible = ed_fieldy;
6002         item_position = 0;
6003       }
6004     }
6005
6006     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6007
6008     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
6009     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
6010                       scrollbar_info[i].height : scrollbar_info[i].width));
6011     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6012     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
6013
6014     gi = CreateGadget(GDI_CUSTOM_ID, id,
6015                       GDI_CUSTOM_TYPE_ID, i,
6016                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6017                       GDI_X, scrollbar_info[i].x,
6018                       GDI_Y, scrollbar_info[i].y,
6019                       GDI_WIDTH, scrollbar_info[i].width,
6020                       GDI_HEIGHT, scrollbar_info[i].height,
6021                       GDI_TYPE, scrollbar_info[i].type,
6022                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6023                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6024                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6025                       GDI_WHEEL_AREA_X, scrollbar_info[i].wheel_x,
6026                       GDI_WHEEL_AREA_Y, scrollbar_info[i].wheel_y,
6027                       GDI_WHEEL_AREA_WIDTH, scrollbar_info[i].wheel_width,
6028                       GDI_WHEEL_AREA_HEIGHT, scrollbar_info[i].wheel_height,
6029                       GDI_STATE, GD_BUTTON_UNPRESSED,
6030                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6031                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6032                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6033                       GDI_EVENT_MASK, event_mask,
6034                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6035                       GDI_CALLBACK_ACTION, HandleControlButtons,
6036                       GDI_END);
6037
6038     if (gi == NULL)
6039       Error(ERR_EXIT, "cannot create gadget");
6040
6041     level_editor_gadget[id] = gi;
6042   }
6043 }
6044
6045 static void CreateCheckbuttonGadgets()
6046 {
6047   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6048   struct GadgetInfo *gi;
6049   unsigned long event_mask;
6050   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6051   int i;
6052
6053   event_mask = GD_EVENT_PRESSED;
6054
6055   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6056   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6057   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6058   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6059   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6060
6061   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6062   {
6063     int id = checkbutton_info[i].gadget_id;
6064     int x = SX + checkbutton_info[i].x;
6065     int y = SY + checkbutton_info[i].y;
6066
6067     if (id == GADGET_ID_STICK_ELEMENT)
6068       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6069     else
6070       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6071
6072     /* determine horizontal position to the right of specified gadget */
6073     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6074       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6075            ED_GADGET_TEXT_DISTANCE);
6076
6077     /* determine horizontal offset for leading text */
6078     if (checkbutton_info[i].text_left != NULL)
6079       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6080
6081     gi = CreateGadget(GDI_CUSTOM_ID, id,
6082                       GDI_CUSTOM_TYPE_ID, i,
6083                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6084                       GDI_X, x,
6085                       GDI_Y, y,
6086                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6087                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6088                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6089                       GDI_CHECKED, *checkbutton_info[i].value,
6090                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6091                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6092                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6093                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6094                       GDI_EVENT_MASK, event_mask,
6095                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6096                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6097                       GDI_END);
6098
6099     if (gi == NULL)
6100       Error(ERR_EXIT, "cannot create gadget");
6101
6102     level_editor_gadget[id] = gi;
6103     right_gadget_border[id] =
6104       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6105   }
6106 }
6107
6108 static void CreateRadiobuttonGadgets()
6109 {
6110   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6111   struct GadgetInfo *gi;
6112   unsigned long event_mask;
6113   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6114   int i;
6115
6116   event_mask = GD_EVENT_PRESSED;
6117
6118   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6119   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6120   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6121   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6122   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6123
6124   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6125   {
6126     int id = radiobutton_info[i].gadget_id;
6127     int x = SX + radiobutton_info[i].x;
6128     int y = SY + radiobutton_info[i].y;
6129
6130     int checked =
6131       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6132
6133     /* determine horizontal position to the right of specified gadget */
6134     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6135       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6136            ED_GADGET_TEXT_DISTANCE);
6137
6138     /* determine horizontal offset for leading text */
6139     if (radiobutton_info[i].text_left != NULL)
6140       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6141
6142     gi = CreateGadget(GDI_CUSTOM_ID, id,
6143                       GDI_CUSTOM_TYPE_ID, i,
6144                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6145                       GDI_X, x,
6146                       GDI_Y, y,
6147                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6148                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6149                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6150                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6151                       GDI_CHECKED, checked,
6152                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6153                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6154                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6155                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6156                       GDI_EVENT_MASK, event_mask,
6157                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6158                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6159                       GDI_END);
6160
6161     if (gi == NULL)
6162       Error(ERR_EXIT, "cannot create gadget");
6163
6164     level_editor_gadget[id] = gi;
6165     right_gadget_border[id] =
6166       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6167   }
6168 }
6169
6170 void CreateLevelEditorGadgets()
6171 {
6172   int old_game_status = game_status;
6173
6174   /* setting 'game_status' is needed to get the right fonts for the editor */
6175   game_status = GAME_MODE_EDITOR;
6176
6177   ReinitializeElementList();
6178
6179   CreateControlButtons();
6180   CreateScrollbarGadgets();
6181
6182   /* order of function calls is important because of cross-references */
6183   CreateCheckbuttonGadgets();
6184   CreateCounterButtons();
6185   CreateRadiobuttonGadgets();
6186   CreateTextInputGadgets();
6187   CreateTextAreaGadgets();
6188   CreateSelectboxGadgets();
6189   CreateGraphicbuttonGadgets();
6190   CreateTextbuttonGadgets();
6191   CreateDrawingAreas();
6192
6193   game_status = old_game_status;
6194 }
6195
6196 void FreeLevelEditorGadgets()
6197 {
6198   int i;
6199
6200   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6201   {
6202     FreeGadget(level_editor_gadget[i]);
6203
6204     level_editor_gadget[i] = NULL;
6205   }
6206 }
6207
6208 static void MapCounterButtons(int id)
6209 {
6210   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6211   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6212   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6213   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6214   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6215   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6216   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6217   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6218   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6219   int yoffset = ED_BORDER_SIZE;
6220   int x_left = gi_down->x - xoffset_left;
6221   int x_right;  /* set after gadget position was modified */
6222   int y_above = gi_down->y - yoffset_above;
6223   int x = gi_down->x;
6224   int y;        /* set after gadget position was modified */
6225
6226   /* counter limits must be changed first to prevent value truncation */
6227   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6228                             counterbutton_info[id].max_value);
6229
6230   /* right text position might have changed after setting position above */
6231   x_right = gi_up->x + gi_up->width + xoffset_right;
6232
6233   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6234
6235   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6236   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6237       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6238   {
6239     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6240     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6241     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6242   }
6243
6244   /* vertical position might have changed after setting position above */
6245   y = gi_up->y + yoffset;
6246
6247   if (counterbutton_info[id].text_above)
6248     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6249
6250   if (counterbutton_info[id].text_left)
6251     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6252
6253   if (counterbutton_info[id].text_right)
6254     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6255
6256   MapGadget(gi_down);
6257   MapGadget(gi_text);
6258   MapGadget(gi_up);
6259 }
6260
6261 static void MapControlButtons()
6262 {
6263   int counter_id;
6264   int i;
6265
6266   /* map toolbox buttons (excluding special CE toolbox buttons) */
6267   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6268     MapGadget(level_editor_gadget[i]);
6269
6270   /* map buttons to select elements */
6271   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6272     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6273   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6274   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6275   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6276
6277   /* map buttons to select level */
6278   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6279   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6280   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6281   MapCounterButtons(counter_id);
6282 }
6283
6284 static void MapDrawingArea(int id)
6285 {
6286   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6287   int area_xsize = gi->drawing.area_xsize;
6288   int area_ysize = gi->drawing.area_ysize;
6289   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6290   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6291   int x_left  = gi->x - xoffset_left;
6292   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6293   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6294   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6295   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6296
6297   if (drawingarea_info[id].text_left)
6298     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6299
6300   if (drawingarea_info[id].text_right)
6301     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6302
6303   if (drawingarea_info[id].text_below)
6304     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6305
6306   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6307   {
6308     DrawElementBorder(gi->x, gi->y,
6309                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6310
6311     DrawDrawingArea(id);
6312   }
6313
6314   MapGadget(gi);
6315 }
6316
6317 static void MapTextInputGadget(int id)
6318 {
6319   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6320   int xoffset_above = 0;
6321   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6322   int x_above = textinput_info[id].x + xoffset_above;
6323   int y_above = textinput_info[id].y + yoffset_above;
6324
6325   if (textinput_info[id].text_above)
6326     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6327
6328   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6329
6330   MapGadget(gi);
6331 }
6332
6333 static void MapTextAreaGadget(int id)
6334 {
6335   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6336   int xoffset_above = 0;
6337   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6338   int x_above = textarea_info[id].x + xoffset_above;
6339   int y_above = textarea_info[id].y + yoffset_above;
6340
6341   if (textarea_info[id].text_above)
6342     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6343
6344   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6345
6346   MapGadget(gi);
6347 }
6348
6349 static void MapSelectboxGadget(int id)
6350 {
6351   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6352   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6353   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6354   int yoffset = ED_BORDER_SIZE;
6355   int x_left = gi->x - xoffset_left;
6356   int x_right = gi->x + gi->width + xoffset_right;
6357   int y = gi->y + yoffset;
6358
6359   if (selectbox_info[id].text_left)
6360     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6361
6362   if (selectbox_info[id].text_right)
6363     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6364
6365   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6366
6367   MapGadget(gi);
6368 }
6369
6370 static void MapTextbuttonGadget(int id)
6371 {
6372   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6373   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6374   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6375   int yoffset = ED_BORDER_SIZE;
6376   int x_left = gi->x - xoffset_left;
6377   int x_right = gi->x + gi->width + xoffset_right;
6378   int y = gi->y + yoffset;
6379
6380   /* only show button to delete change pages when more than minimum pages */
6381   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6382       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6383     return;
6384
6385   if (textbutton_info[id].text_left)
6386     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6387
6388   if (textbutton_info[id].text_right)
6389     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6390
6391   MapGadget(gi);
6392 }
6393
6394 static void MapGraphicbuttonGadget(int id)
6395 {
6396   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6397   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6398   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6399   int yoffset = ED_BORDER_SIZE;
6400   int x_left = gi->x - xoffset_left;
6401   int x_right = gi->x + gi->width + xoffset_right;
6402   int y = gi->y + yoffset;
6403
6404   if (graphicbutton_info[id].text_left)
6405     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6406
6407   if (graphicbutton_info[id].text_right)
6408     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6409
6410   MapGadget(gi);
6411 }
6412
6413 static void MapRadiobuttonGadget(int id)
6414 {
6415   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6416   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6417   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6418   int yoffset = ED_BORDER_SIZE;
6419   int x_left = gi->x - xoffset_left;
6420   int x_right = gi->x + gi->width + xoffset_right;
6421   int y = gi->y + yoffset;
6422   boolean checked =
6423     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6424
6425   if (radiobutton_info[id].text_left)
6426     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6427
6428   if (radiobutton_info[id].text_right)
6429     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6430
6431   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6432
6433   MapGadget(gi);
6434 }
6435
6436 static void MapCheckbuttonGadget(int id)
6437 {
6438   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6439   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6440   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6441   int yoffset = ED_BORDER_SIZE;
6442   int x_left, x_right, y;       /* set after gadget position was modified */
6443
6444   /* set position for gadgets with dynamically determined position */
6445   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6446     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6447   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6448
6449   x_left = gi->x - xoffset_left;
6450   x_right = gi->x + gi->width + xoffset_right;
6451   y = gi->y + yoffset;
6452
6453   if (checkbutton_info[id].text_left)
6454     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6455
6456   if (checkbutton_info[id].text_right)
6457     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6458
6459   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6460
6461   MapGadget(gi);
6462 }
6463
6464 static void MapMainDrawingArea()
6465 {
6466   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6467   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6468   int i;
6469
6470   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6471   {
6472     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6473           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6474          no_horizontal_scrollbar) ||
6475         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6476           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6477          no_vertical_scrollbar))
6478       continue;
6479
6480     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6481   }
6482
6483   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6484   {
6485     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6486         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6487       continue;
6488
6489     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6490   }
6491
6492   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6493 }
6494
6495 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6496 {
6497   int i;
6498
6499   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6500   {
6501     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6502         i == GADGET_ID_CUSTOM_COPY_TO ||
6503         i == GADGET_ID_CUSTOM_EXCHANGE ||
6504         i == GADGET_ID_CUSTOM_COPY ||
6505         i == GADGET_ID_CUSTOM_PASTE)
6506     {
6507       if (map)
6508         MapGadget(level_editor_gadget[i]);
6509       else
6510         UnmapGadget(level_editor_gadget[i]);
6511     }
6512   }
6513 }
6514
6515 static void MapLevelEditorToolboxCustomGadgets()
6516 {
6517   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6518 }
6519
6520 static void UnmapLevelEditorToolboxCustomGadgets()
6521 {
6522   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6523 }
6524
6525 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6526 {
6527   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6528   int i;
6529
6530   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6531   {
6532     if (i != GADGET_ID_SINGLE_ITEMS &&
6533         i != GADGET_ID_PROPERTIES &&
6534         i != GADGET_ID_PICK_ELEMENT)
6535     {
6536       struct GadgetInfo *gi = level_editor_gadget[i];
6537
6538       if (map)
6539         MapGadget(gi);
6540       else
6541       {
6542         UnmapGadget(gi);
6543
6544         BlitBitmap(gd_bitmap, drawto,
6545                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6546                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6547                    gi->width, gi->height, gi->x, gi->y);
6548
6549         redraw_mask |= REDRAW_DOOR_3;
6550       }
6551     }
6552   }
6553 }
6554
6555 static void MapLevelEditorToolboxDrawingGadgets()
6556 {
6557   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6558 }
6559
6560 static void UnmapLevelEditorToolboxDrawingGadgets()
6561 {
6562   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6563 }
6564
6565 static void UnmapDrawingArea(int id)
6566 {
6567   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6568 }
6569
6570 static void UnmapLevelEditorWindowGadgets()
6571 {
6572   int i;
6573
6574   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6575     if (level_editor_gadget[i]->x < SX + SXSIZE)
6576       UnmapGadget(level_editor_gadget[i]);
6577 }
6578
6579 void UnmapLevelEditorGadgets()
6580 {
6581   int i;
6582
6583   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6584     UnmapGadget(level_editor_gadget[i]);
6585 }
6586
6587 static void ResetUndoBuffer()
6588 {
6589   undo_buffer_position = -1;
6590   undo_buffer_steps = -1;
6591   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6592
6593   level.changed = FALSE;
6594 }
6595
6596 static void DrawEditModeWindow()
6597 {
6598   ModifyEditorElementList();
6599   RedrawDrawingElements();
6600
6601   if (edit_mode == ED_MODE_INFO)
6602     DrawLevelInfoWindow();
6603   else if (edit_mode == ED_MODE_PROPERTIES)
6604     DrawPropertiesWindow();
6605   else  /* edit_mode == ED_MODE_DRAWING */
6606     DrawDrawingWindow();
6607 }
6608
6609 static boolean LevelChanged()
6610 {
6611   boolean field_changed = FALSE;
6612   int x, y;
6613
6614   if (leveldir_current->readonly)
6615     return FALSE;
6616
6617   for (y = 0; y < lev_fieldy; y++)
6618     for (x = 0; x < lev_fieldx; x++)
6619       if (Feld[x][y] != level.field[x][y])
6620         field_changed = TRUE;
6621
6622   return (level.changed || field_changed);
6623 }
6624
6625 static boolean LevelContainsPlayer()
6626 {
6627   boolean player_found = FALSE;
6628   int x, y;
6629
6630   return TRUE;          /* !!! CURRENTLY DEACTIVATED !!! */
6631
6632   for (y = 0; y < lev_fieldy; y++) for (x = 0; x < lev_fieldx; x++)
6633   {
6634     if (Feld[x][y] == EL_PLAYER_1 ||
6635         Feld[x][y] == EL_SP_MURPHY)
6636       player_found = TRUE;
6637   }
6638
6639   return player_found;
6640 }
6641
6642 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6643                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6644 {
6645   int x, y;
6646
6647   for (x = 0; x < lev_fieldx; x++)
6648     for (y = 0; y < lev_fieldy; y++)
6649       dst[x][y] = src[x][y];
6650 }
6651
6652 static int setSelectboxValue(int selectbox_id, int new_value)
6653 {
6654   int new_index_value = 0;
6655   int i;
6656
6657   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6658     if (selectbox_info[selectbox_id].options[i].value == new_value)
6659       new_index_value = i;
6660
6661   *selectbox_info[selectbox_id].value =
6662     selectbox_info[selectbox_id].options[new_index_value].value;
6663
6664   return new_index_value;
6665 }
6666
6667 static void setSelectboxSpecialActionVariablesIfNeeded()
6668 {
6669   int i;
6670
6671   /* change action mode and arg variables according to action type variable */
6672   for (i = 0; action_arg_options[i].value != -1; i++)
6673   {
6674     if (action_arg_options[i].value == custom_element_change.action_type)
6675     {
6676       int mode = action_arg_options[i].mode;
6677
6678       /* only change if corresponding selectbox has changed */
6679       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6680           action_arg_modes[mode])
6681         custom_element_change.action_mode = -1;
6682
6683       /* only change if corresponding selectbox has changed */
6684       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6685           action_arg_options[i].options)
6686         custom_element_change.action_arg = -1;
6687
6688       break;
6689     }
6690   }
6691 }
6692
6693 static void setSelectboxSpecialActionOptions()
6694 {
6695   int i;
6696
6697   /* change action mode and arg selectbox according to action type selectbox */
6698   for (i = 0; action_arg_options[i].value != -1; i++)
6699   {
6700     if (action_arg_options[i].value == custom_element_change.action_type)
6701     {
6702       int mode = action_arg_options[i].mode;
6703
6704       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6705                                    action_arg_modes[mode]);
6706       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6707                                  custom_element_change.action_mode);
6708
6709       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6710                                    action_arg_options[i].options);
6711       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6712                                  custom_element_change.action_arg);
6713       break;
6714     }
6715   }
6716 }
6717
6718 static void copy_custom_element_settings(int element_from, int element_to)
6719 {
6720   struct ElementInfo *ei_from = &element_info[element_from];
6721   struct ElementInfo *ei_to = &element_info[element_to];
6722
6723   copyElementInfo(ei_from, ei_to);
6724 }
6725
6726 static void replace_custom_element_in_settings(int element_from,
6727                                                int element_to)
6728 {
6729   int i, j, x, y;
6730
6731   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6732   {
6733     struct ElementInfo *ei = &element_info[i];
6734
6735     for (y = 0; y < 3; y++)
6736       for (x = 0; x < 3; x++)
6737         if (ei->content.e[x][y] == element_from)
6738           ei->content.e[x][y] = element_to;
6739
6740     for (j = 0; j < ei->num_change_pages; j++)
6741     {
6742       struct ElementChangeInfo *change = &ei->change_page[j];
6743
6744       if (change->target_element == element_from)
6745         change->target_element = element_to;
6746
6747       if (change->initial_trigger_element == element_from)
6748         change->initial_trigger_element = element_to;
6749
6750       if (change->action_element == element_from)
6751         change->action_element = element_to;
6752
6753       for (y = 0; y < 3; y++)
6754         for (x = 0; x < 3; x++)
6755           if (change->target_content.e[x][y] == element_from)
6756             change->target_content.e[x][y] = element_to;
6757     }
6758
6759     if (ei->group != NULL)                              /* group or internal */
6760       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6761         if (ei->group->element[j] == element_from)
6762           ei->group->element[j] = element_to;
6763   }
6764 }
6765
6766 static void replace_custom_element_in_playfield(int element_from,
6767                                                 int element_to)
6768 {
6769   int x, y;
6770
6771   for (x = 0; x < lev_fieldx; x++)
6772     for (y = 0; y < lev_fieldy; y++)
6773       if (Feld[x][y] == element_from)
6774         Feld[x][y] = element_to;
6775 }
6776
6777 static boolean CopyCustomElement(int element_old, int element_new,
6778                                  int copy_mode)
6779 {
6780   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6781   {
6782     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6783                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6784     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6785   }
6786   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
6787   {
6788     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
6789                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6790     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6791
6792     level.changed = TRUE;
6793   }
6794   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
6795   {
6796     Request("Please choose custom element !", REQ_CONFIRM);
6797
6798     return FALSE;
6799   }
6800   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
6801   {
6802     Request("Please choose group element !", REQ_CONFIRM);
6803
6804     return FALSE;
6805   }
6806   else
6807   {
6808     level.changed = TRUE;
6809   }
6810
6811   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
6812   {
6813     copy_custom_element_settings(element_new, element_old);
6814   }
6815   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
6816   {
6817     copy_custom_element_settings(element_old, element_new);
6818   }
6819   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
6820   {
6821     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
6822     copy_custom_element_settings(element_new, element_old);
6823     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
6824
6825     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
6826     replace_custom_element_in_settings(element_new, element_old);
6827     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
6828
6829     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
6830     replace_custom_element_in_playfield(element_new, element_old);
6831     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
6832   }
6833
6834   UpdateCustomElementGraphicGadgets();
6835   DrawPropertiesWindow();
6836
6837   return TRUE;
6838 }
6839
6840 static void CopyCustomElementPropertiesToEditor(int element)
6841 {
6842   int i;
6843   int current_change_page = element_info[element].current_change_page;
6844
6845   /* dynamically (re)build selectbox for selecting change page */
6846   for (i = 0; i < element_info[element].num_change_pages; i++)
6847   {
6848     sprintf(options_change_page_strings[i], "%d", i + 1);
6849
6850     options_change_page[i].value = i;
6851     options_change_page[i].text = options_change_page_strings[i];
6852   }
6853
6854   options_change_page[i].value = -1;
6855   options_change_page[i].text = NULL;
6856
6857   /* needed here to initialize combined element properties */
6858   InitElementPropertiesEngine(level.game_version);
6859
6860   element_info[element].change =
6861     &element_info[element].change_page[current_change_page];
6862
6863   custom_element = element_info[element];
6864   custom_element_change = *element_info[element].change;
6865
6866   /* needed to initially set selectbox options for special action options */
6867   setSelectboxSpecialActionOptions();
6868
6869   /* needed to initially set selectbox value variables to reliable defaults */
6870   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6871     setSelectboxValue(i, *selectbox_info[i].value);
6872
6873   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
6874     custom_element_properties[i] = HAS_PROPERTY(element, i);
6875
6876   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
6877     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
6878
6879   /* ---------- element settings: configure (custom elements) ------------- */
6880
6881   /* set accessible layer selectbox help value */
6882   custom_element.access_type =
6883     (IS_WALKABLE(element) ? EP_WALKABLE :
6884      IS_PASSABLE(element) ? EP_PASSABLE :
6885      custom_element.access_type);
6886   custom_element.access_layer =
6887     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
6888      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
6889      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
6890      custom_element.access_layer);
6891   custom_element.access_protected =
6892     (IS_PROTECTED(element) ? 1 : 0);
6893   custom_element_properties[EP_ACCESSIBLE] =
6894     (IS_ACCESSIBLE_OVER(element) ||
6895      IS_ACCESSIBLE_INSIDE(element) ||
6896      IS_ACCESSIBLE_UNDER(element));
6897
6898   /* set walk-to-object action selectbox help value */
6899   custom_element.walk_to_action =
6900     (IS_DIGGABLE(element) ? EP_DIGGABLE :
6901      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
6902      IS_DROPPABLE(element) ? EP_DROPPABLE :
6903      IS_THROWABLE(element) ? EP_THROWABLE :
6904      IS_PUSHABLE(element) ? EP_PUSHABLE :
6905      custom_element.walk_to_action);
6906   custom_element_properties[EP_WALK_TO_OBJECT] =
6907     (IS_DIGGABLE(element) ||
6908      IS_COLLECTIBLE_ONLY(element) ||
6909      IS_DROPPABLE(element) ||
6910      IS_THROWABLE(element) ||
6911      IS_PUSHABLE(element));
6912
6913   /* set smash targets selectbox help value */
6914   custom_element.smash_targets =
6915     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
6916      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
6917      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
6918      custom_element.smash_targets);
6919   custom_element_properties[EP_CAN_SMASH] =
6920     (CAN_SMASH_EVERYTHING(element) ||
6921      CAN_SMASH_ENEMIES(element) ||
6922      CAN_SMASH_PLAYER(element));
6923
6924   /* set deadliness selectbox help value */
6925   custom_element.deadliness =
6926     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
6927      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
6928      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
6929      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
6930      custom_element.deadliness);
6931   custom_element_properties[EP_DEADLY] =
6932     (DONT_TOUCH(element) ||
6933      DONT_GET_HIT_BY(element) ||
6934      DONT_COLLIDE_WITH(element) ||
6935      DONT_RUN_INTO(element));
6936
6937   /* ---------- element settings: advanced (custom elements) --------------- */
6938
6939   /* set "change by direct action" selectbox help value */
6940   custom_element_change.direct_action =
6941     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
6942      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
6943      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
6944      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
6945      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
6946      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
6947      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
6948      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
6949      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
6950      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
6951      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
6952      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
6953      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
6954      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
6955      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
6956      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
6957      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
6958      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
6959      custom_element_change.direct_action);
6960
6961   /* set "change by other element action" selectbox help value */
6962   custom_element_change.other_action =
6963     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
6964      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
6965      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
6966      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
6967      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
6968      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
6969      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
6970      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
6971      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
6972      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
6973      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
6974      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
6975      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
6976      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
6977      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
6978      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
6979      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
6980      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
6981      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
6982      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
6983      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
6984      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
6985      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
6986      custom_element_change.other_action);
6987 }
6988
6989 static void CopyGroupElementPropertiesToEditor(int element)
6990 {
6991   group_element_info = *element_info[element].group;
6992   custom_element = element_info[element];       /* needed for description */
6993 }
6994
6995 static void CopyClassicElementPropertiesToEditor(int element)
6996 {
6997   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
6998     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
6999       getMoveIntoAcidProperty(&level, element);
7000
7001   if (MAYBE_DONT_COLLIDE_WITH(element))
7002     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7003       getDontCollideWithProperty(&level, element);
7004 }
7005
7006 static void CopyElementPropertiesToEditor(int element)
7007 {
7008   if (IS_CUSTOM_ELEMENT(element))
7009     CopyCustomElementPropertiesToEditor(element);
7010   else if (IS_GROUP_ELEMENT(element))
7011     CopyGroupElementPropertiesToEditor(element);
7012   else
7013     CopyClassicElementPropertiesToEditor(element);
7014 }
7015
7016 static void CopyCustomElementPropertiesToGame(int element)
7017 {
7018   int i;
7019   int access_type_and_layer;
7020
7021   /* mark that this custom element has been modified */
7022   custom_element.modified_settings = TRUE;
7023   level.changed = TRUE;
7024
7025   if (level.use_custom_template)
7026   {
7027     if (Request("Copy and modify level template ?", REQ_ASK))
7028     {
7029       level.use_custom_template = FALSE;
7030       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7031                    GDI_CHECKED, FALSE, GDI_END);
7032     }
7033     else
7034     {
7035       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7036
7037       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7038     }
7039   }
7040
7041   element_info[element] = custom_element;
7042   *element_info[element].change = custom_element_change;
7043
7044   /* ---------- element settings: configure (custom elements) ------------- */
7045
7046   /* set accessible property from checkbox and selectbox */
7047   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7048   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7049   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7050   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7051   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7052   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7053   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7054                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7055                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7056   custom_element_properties[access_type_and_layer] =
7057     custom_element_properties[EP_ACCESSIBLE];
7058   custom_element_properties[EP_PROTECTED] =
7059     (custom_element.access_protected != 0 &&
7060      custom_element_properties[EP_ACCESSIBLE]);
7061
7062   /* set walk-to-object property from checkbox and selectbox */
7063   custom_element_properties[EP_DIGGABLE] = FALSE;
7064   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7065   custom_element_properties[EP_DROPPABLE] = FALSE;
7066   custom_element_properties[EP_THROWABLE] = FALSE;
7067   custom_element_properties[EP_PUSHABLE] = FALSE;
7068   custom_element_properties[custom_element.walk_to_action] =
7069     custom_element_properties[EP_WALK_TO_OBJECT];
7070
7071   /* set smash property from checkbox and selectbox */
7072   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7073   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7074   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7075   custom_element_properties[custom_element.smash_targets] =
7076     custom_element_properties[EP_CAN_SMASH];
7077
7078   /* set deadliness property from checkbox and selectbox */
7079   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7080   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7081   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7082   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7083   custom_element_properties[custom_element.deadliness] =
7084     custom_element_properties[EP_DEADLY];
7085
7086   /* ---------- element settings: advanced (custom elements) --------------- */
7087
7088   /* set player change event from checkbox and selectbox */
7089   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7090   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7091   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7092   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7093   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7094   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7095   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7096   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7097   custom_element_change_events[CE_SWITCHED] = FALSE;
7098   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7099   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7100   custom_element_change_events[CE_BLOCKED] = FALSE;
7101   custom_element_change_events[CE_IMPACT] = FALSE;
7102   custom_element_change_events[CE_SMASHED] = FALSE;
7103   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7104   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7105   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7106   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7107   custom_element_change_events[custom_element_change.direct_action] =
7108     custom_element_change_events[CE_BY_DIRECT_ACTION];
7109
7110   /* set other element action change event from checkbox and selectbox */
7111   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7112   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7113   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7114   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7115   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7116   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7117   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7118   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7119   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7120   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7121   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7122   custom_element_change_events[CE_HITTING_X] = FALSE;
7123   custom_element_change_events[CE_DIGGING_X] = FALSE;
7124   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7125   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7126   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7127   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7128   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7129   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7130   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7131   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7132   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7133   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7134   custom_element_change_events[custom_element_change.other_action] =
7135     custom_element_change_events[CE_BY_OTHER_ACTION];
7136
7137   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7138     SET_PROPERTY(element, i, custom_element_properties[i]);
7139
7140   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7141     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7142
7143   /* copy change events also to special level editor variable */
7144   custom_element = element_info[element];
7145   custom_element_change = *element_info[element].change;
7146 }
7147
7148 static void CopyGroupElementPropertiesToGame(int element)
7149 {
7150   element_info[element] = custom_element;
7151   *element_info[element].group = group_element_info;
7152
7153   /* mark that this group element has been modified */
7154   element_info[element].modified_settings = TRUE;
7155   level.changed = TRUE;
7156 }
7157
7158 static void CopyClassicElementPropertiesToGame(int element)
7159 {
7160   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7161     setMoveIntoAcidProperty(&level, element,
7162                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7163
7164   if (MAYBE_DONT_COLLIDE_WITH(element))
7165     setDontCollideWithProperty(&level, element,
7166                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7167 }
7168
7169 static void CopyElementPropertiesToGame(int element)
7170 {
7171   if (IS_CUSTOM_ELEMENT(element))
7172     CopyCustomElementPropertiesToGame(element);
7173   else if (IS_GROUP_ELEMENT(element))
7174     CopyGroupElementPropertiesToGame(element);
7175   else
7176     CopyClassicElementPropertiesToGame(element);
7177 }
7178
7179 void CheckElementDescriptions()
7180 {
7181   int i;
7182
7183   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7184     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7185       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7186 }
7187
7188 void DrawLevelEd()
7189 {
7190   StopAnimation();
7191
7192   CloseDoor(DOOR_CLOSE_ALL);
7193
7194 #if 1
7195   FadeOut(REDRAW_FIELD);
7196 #endif
7197
7198   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
7199
7200 #if DEBUG
7201   CheckElementDescriptions();
7202 #endif
7203
7204   if (level_editor_test_game)
7205   {
7206     CopyPlayfield(level.field, Feld);
7207     CopyPlayfield(FieldBackup, level.field);
7208
7209     level_editor_test_game = FALSE;
7210   }
7211   else
7212   {
7213     edit_mode = ED_MODE_DRAWING;
7214     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7215     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7216
7217     ResetUndoBuffer();
7218
7219     level_xpos = -1;
7220     level_ypos = -1;
7221   }
7222
7223   /* copy default editor door content to main double buffer */
7224   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7225              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
7226
7227   /* draw bigger door */
7228   DrawSpecialEditorDoor();
7229
7230   /* draw new control window */
7231   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7232              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7233
7234   redraw_mask |= REDRAW_ALL;
7235
7236   ReinitializeElementList();            /* update dynamic level element list */
7237   ReinitializeElementListButtons();     /* custom element may look different */
7238
7239   InitElementPropertiesGfxElement();
7240
7241 #if 1
7242   UnmapAllGadgets();
7243 #else
7244   UnmapTapeButtons();
7245 #endif
7246   MapControlButtons();
7247
7248 #if 0
7249   FadeOut(REDRAW_FIELD);
7250 #endif
7251
7252   DrawEditModeWindow();
7253
7254 #if 1
7255   FadeIn(REDRAW_FIELD);
7256 #endif
7257
7258   /* copy actual editor door content to door double buffer for OpenDoor() */
7259   BlitBitmap(drawto, bitmap_db_door,
7260              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7261
7262 #if 1
7263   /* draw new control window (with border) to window */
7264   redraw_mask |= REDRAW_ALL;
7265   BackToFront();
7266 #endif
7267
7268   OpenDoor(DOOR_OPEN_1);
7269 }
7270
7271 static void AdjustDrawingAreaGadgets()
7272 {
7273   int ed_xsize = lev_fieldx + 2;
7274   int ed_ysize = lev_fieldy + 2;
7275   int max_ed_fieldx = MAX_ED_FIELDX;
7276   int max_ed_fieldy = MAX_ED_FIELDY;
7277   boolean horizontal_scrollbar_needed;
7278   boolean vertical_scrollbar_needed;
7279   int x, y, width, height;
7280   int xoffset, yoffset;
7281
7282   /* check if we need any scrollbars */
7283   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7284   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7285
7286   /* check if we have a smaller editor field because of scrollbars */
7287   if (horizontal_scrollbar_needed)
7288     max_ed_fieldy = MAX_ED_FIELDY - 1;
7289   if (vertical_scrollbar_needed)
7290     max_ed_fieldx = MAX_ED_FIELDX - 1;
7291
7292   /* check again if we now need more scrollbars because of less space */
7293   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7294   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7295
7296   /* check if editor field gets even smaller after adding new scrollbars */
7297   if (horizontal_scrollbar_needed)
7298     max_ed_fieldy = MAX_ED_FIELDY - 1;
7299   if (vertical_scrollbar_needed)
7300     max_ed_fieldx = MAX_ED_FIELDX - 1;
7301
7302   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7303   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7304
7305   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7306                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7307                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7308                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7309                GDI_END);
7310
7311   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7312   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7313
7314   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7315   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7316
7317   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7318   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7319
7320   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7321   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7322
7323   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7324                GDI_WIDTH, width,
7325                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7326                GDI_END);
7327   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7328                GDI_HEIGHT, height,
7329                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7330                GDI_END);
7331 }
7332
7333 static void AdjustLevelScrollPosition()
7334 {
7335   if (level_xpos < -1)
7336     level_xpos = -1;
7337   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7338     level_xpos = lev_fieldx - ed_fieldx + 1;
7339   if (lev_fieldx < ed_fieldx - 2)
7340     level_xpos = -1;
7341
7342   if (level_ypos < -1)
7343     level_ypos = -1;
7344   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7345     level_ypos = lev_fieldy - ed_fieldy + 1;
7346   if (lev_fieldy < ed_fieldy - 2)
7347     level_ypos = -1;
7348 }
7349
7350 static void AdjustEditorScrollbar(int id)
7351 {
7352   struct GadgetInfo *gi = level_editor_gadget[id];
7353   int items_max, items_visible, item_position;
7354
7355   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7356   {
7357     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7358     items_visible = ed_fieldx;
7359     item_position = level_xpos + 1;
7360   }
7361   else
7362   {
7363     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7364     items_visible = ed_fieldy;
7365     item_position = level_ypos + 1;
7366   }
7367
7368   if (item_position > items_max - items_visible)
7369     item_position = items_max - items_visible;
7370
7371   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7372                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7373 }
7374
7375 static void AdjustElementListScrollbar()
7376 {
7377   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7378   int items_max, items_visible, item_position;
7379
7380   /* correct position of element list scrollbar */
7381   if (element_shift < 0)
7382     element_shift = 0;
7383   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7384     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7385
7386   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7387   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7388   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7389
7390   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7391                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7392                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7393 }
7394
7395 static void ModifyEditorCounterValue(int counter_id, int new_value)
7396 {
7397   int *counter_value = counterbutton_info[counter_id].value;
7398   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7399   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7400
7401   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7402
7403   if (counter_value != NULL)
7404     *counter_value = gi->textinput.number_value;
7405 }
7406
7407 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7408 {
7409   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7410   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7411
7412   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7413
7414   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7415       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7416   {
7417     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7418     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7419
7420     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7421     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7422   }
7423 }
7424
7425 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7426 {
7427   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7428   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7429   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7430
7431   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7432 }
7433
7434 static void ModifyEditorSelectboxOptions(int selectbox_id,
7435                                          struct ValueTextInfo *options)
7436 {
7437   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7438   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7439
7440   selectbox_info[selectbox_id].options = options;
7441
7442   /* set index to zero -- list may be shorter now (correct later, if needed) */
7443   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7444                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7445 }
7446
7447 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7448 {
7449   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7450   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7451
7452   drawingarea_info[drawingarea_id].area_xsize = xsize;
7453   drawingarea_info[drawingarea_id].area_ysize = ysize;
7454
7455   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7456 }
7457
7458 static void ModifyEditorElementList()
7459 {
7460   int i;
7461
7462   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7463   {
7464     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7465     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7466     struct GadgetDesign *gd = &gi->deco.design;
7467     int element = editor_elements[element_shift + i];
7468
7469     UnmapGadget(gi);
7470
7471     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7472     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7473
7474     MapGadget(gi);
7475   }
7476 }
7477
7478 static void PickDrawingElement(int button, int element)
7479 {
7480   if (button < 1 || button > 3)
7481     return;
7482
7483   if (button == 1)
7484   {
7485     new_element1 = element;
7486     DrawMiniGraphicExt(drawto,
7487                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7488                        el2edimg(new_element1));
7489   }
7490   else if (button == 2)
7491   {
7492     new_element2 = element;
7493     DrawMiniGraphicExt(drawto,
7494                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7495                        el2edimg(new_element2));
7496   }
7497   else
7498   {
7499     new_element3 = element;
7500     DrawMiniGraphicExt(drawto,
7501                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7502                        el2edimg(new_element3));
7503   }
7504
7505   redraw_mask |= REDRAW_DOOR_1;
7506 }
7507
7508 static void RedrawDrawingElements()
7509 {
7510   PickDrawingElement(1, new_element1);
7511   PickDrawingElement(2, new_element2);
7512   PickDrawingElement(3, new_element3);
7513 }
7514
7515 static void DrawDrawingWindow()
7516 {
7517   stick_element_properties_window = FALSE;
7518
7519   SetMainBackgroundImage(IMG_UNDEFINED);
7520   ClearField();
7521
7522   UnmapLevelEditorWindowGadgets();
7523   UnmapLevelEditorToolboxCustomGadgets();
7524
7525   AdjustDrawingAreaGadgets();
7526   AdjustLevelScrollPosition();
7527   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7528   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7529
7530   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7531
7532   MapMainDrawingArea();
7533   MapLevelEditorToolboxDrawingGadgets();
7534 }
7535
7536 static int getTabulatorBarWidth()
7537 {
7538   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7539   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7540
7541   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7542 }
7543
7544 static void DrawLevelInfoTabulatorGadgets()
7545 {
7546   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7547   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7548   int gd_x = gd->x + gd_gi1->border.width / 2;
7549   int gd_y = gd->y + gd_gi1->height - 1;
7550   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7551   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7552   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7553 #if 1
7554 #else
7555   int max_tabs = 2;
7556 #endif
7557   int i;
7558
7559   for (i = id_first; i <= id_last; i++)
7560   {
7561     int gadget_id = textbutton_info[i].gadget_id;
7562     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7563     boolean active = (i != edit_mode_levelinfo);
7564
7565     /* draw background line below tabulator button */
7566     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7567
7568     /* draw solid line below inactive tabulator buttons */
7569     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7570       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7571
7572     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7573     MapTextbuttonGadget(i);
7574   }
7575
7576 #if 1
7577   /* draw little border line below tabulator buttons */
7578   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7579     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7580                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7581                   tab_color);
7582 #else
7583   /* draw little border line below tabulator buttons */
7584   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7585     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7586                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7587                   ED_GADGET_DISTANCE, tab_color);
7588 #endif
7589 }
7590
7591 static void DrawPropertiesTabulatorGadgets()
7592 {
7593   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7594   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7595   int gd_x = gd->x + gd_gi1->border.width / 2;
7596   int gd_y = gd->y + gd_gi1->height - 1;
7597   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7598   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7599   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7600 #if 1
7601 #else
7602   int max_tabs = 4;
7603 #endif
7604   int i;
7605
7606   /* draw two config tabulators for player elements */
7607   if (ELEM_IS_PLAYER(properties_element))
7608     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7609
7610   /* draw two config and one "change" tabulator for custom elements */
7611   if (IS_CUSTOM_ELEMENT(properties_element))
7612     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7613
7614   for (i = id_first; i <= id_last; i++)
7615   {
7616     int gadget_id = textbutton_info[i].gadget_id;
7617     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7618     boolean active = (i != edit_mode_properties);
7619
7620     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7621     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7622         (ELEM_IS_PLAYER(properties_element) ||
7623          IS_CUSTOM_ELEMENT(properties_element)))
7624       continue;
7625
7626     /* draw background line below tabulator button */
7627     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7628
7629     /* draw solid line below inactive tabulator buttons */
7630     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7631       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7632
7633     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7634     MapTextbuttonGadget(i);
7635   }
7636
7637 #if 1
7638   /* draw little border line below tabulator buttons */
7639   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7640     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7641                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7642                   tab_color);
7643 #else
7644   /* draw little border line below tabulator buttons */
7645   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7646     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7647                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7648                   ED_GADGET_DISTANCE, tab_color);
7649 #endif
7650 }
7651
7652 static void DrawLevelInfoLevel()
7653 {
7654   int i;
7655
7656   /* draw counter gadgets */
7657   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7658     MapCounterButtons(i);
7659
7660   /* draw selectbox gadgets */
7661   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7662     MapSelectboxGadget(i);
7663
7664   /* draw text input gadgets */
7665   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7666     MapTextInputGadget(i);
7667 }
7668
7669 static void DrawLevelInfoEditor()
7670 {
7671   int i;
7672
7673   /* draw counter gadgets */
7674   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7675     MapCounterButtons(i);
7676
7677   /* draw checkbutton gadgets */
7678   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7679     MapCheckbuttonGadget(i);
7680
7681   /* draw radiobutton gadgets */
7682   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7683     MapRadiobuttonGadget(i);
7684
7685   /* draw drawing area */
7686   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7687 }
7688
7689 static void DrawLevelInfoWindow()
7690 {
7691   stick_element_properties_window = FALSE;
7692
7693   UnmapLevelEditorWindowGadgets();
7694
7695   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7696   ClearField();
7697
7698 #if 1
7699 #if 1
7700   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7701 #else
7702   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Level Settings");
7703   DrawTextSCentered(ED_SETTINGS2_YPOS, FONT_TITLE_1, "Editor Settings");
7704 #endif
7705 #else
7706   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7707            "Level Settings", FONT_TITLE_1);
7708   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
7709            "Editor Settings", FONT_TITLE_1);
7710 #endif
7711
7712   DrawLevelInfoTabulatorGadgets();
7713
7714   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7715     DrawLevelInfoLevel();
7716   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7717     DrawLevelInfoEditor();
7718 }
7719
7720 static void DrawCustomContentArea()
7721 {
7722   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7723   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7724   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7725   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7726   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7727   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7728
7729   /* add distance for potential left text (without drawing area border) */
7730   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7731
7732   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7733
7734   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7735 }
7736
7737 static void DrawCustomChangeContentArea()
7738 {
7739   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7740   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7741   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7742   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7743   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7744   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7745
7746   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7747
7748   MapDrawingArea(id);
7749 }
7750
7751 static void DrawYamYamContentAreas()
7752 {
7753   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7754   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7755   int i;
7756
7757   /* display counter to choose number of element content areas */
7758   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7759
7760   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7761   {
7762     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7763
7764     if (i < level.num_yamyam_contents)
7765     {
7766       MapDrawingArea(id);
7767     }
7768     else
7769     {
7770       int font_height = getFontHeight(FONT_TEXT_1);
7771
7772       UnmapDrawingArea(id);
7773
7774       /* delete content areas in case of reducing number of them */
7775       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7776                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7777                      4 * MINI_TILEX,
7778                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7779     }
7780   }
7781
7782   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7783   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7784   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7785 }
7786
7787 static void DrawMagicBallContentAreas()
7788 {
7789   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7790   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7791   int i;
7792
7793   /* display counter to choose number of element content areas */
7794   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7795
7796   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7797   {
7798     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7799
7800     if (i < level.num_ball_contents)
7801     {
7802       MapDrawingArea(id);
7803     }
7804     else
7805     {
7806       int font_height = getFontHeight(FONT_TEXT_1);
7807
7808       UnmapDrawingArea(id);
7809
7810       /* delete content areas in case of reducing number of them */
7811       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7812                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7813                      4 * MINI_TILEX,
7814                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7815     }
7816   }
7817
7818   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
7819   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
7820   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
7821 }
7822
7823 static void DrawAndroidElementArea(int element)
7824 {
7825   int num_elements = level.num_android_clone_elements;
7826   int id = ED_DRAWING_ID_ANDROID_CONTENT;
7827   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7828   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7829   int xsize = MAX_ANDROID_ELEMENTS;
7830   int ysize = 1;
7831
7832   /* display counter to choose number of element areas */
7833   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
7834
7835   if (drawingarea_info[id].text_left != NULL)
7836     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7837
7838   UnmapDrawingArea(id);
7839
7840   ModifyEditorDrawingArea(id, num_elements, 1);
7841
7842   /* delete content areas in case of reducing number of them */
7843   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7844
7845   MapDrawingArea(id);
7846 }
7847
7848 static void DrawGroupElementArea(int element)
7849 {
7850   int num_elements = group_element_info.num_elements;
7851   int id = ED_DRAWING_ID_GROUP_CONTENT;
7852   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7853   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7854   int xsize = MAX_ELEMENTS_IN_GROUP;
7855   int ysize = 1;
7856
7857   if (drawingarea_info[id].text_left != NULL)
7858     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7859
7860   UnmapDrawingArea(id);
7861
7862   ModifyEditorDrawingArea(id, num_elements, 1);
7863
7864   /* delete content areas in case of reducing number of them */
7865   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7866
7867   MapDrawingArea(id);
7868 }
7869
7870 static void DrawPlayerInitialInventoryArea(int element)
7871 {
7872   int player_nr = GET_PLAYER_NR(element);
7873   int num_elements = level.initial_inventory_size[player_nr];
7874   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
7875   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7876   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7877   int xsize = MAX_INITIAL_INVENTORY_SIZE;
7878   int ysize = 1;
7879
7880   /* determine horizontal position to the right of specified gadget */
7881   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
7882     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
7883            ED_DRAWINGAREA_TEXT_DISTANCE);
7884
7885   /* determine horizontal offset for leading text */
7886   if (drawingarea_info[id].text_left != NULL)
7887     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7888
7889   UnmapDrawingArea(id);
7890
7891   ModifyEditorDrawingArea(id, num_elements, 1);
7892
7893   /* delete content areas in case of reducing number of them */
7894   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7895
7896   MapDrawingArea(id);
7897 }
7898
7899 static void DrawEnvelopeTextArea(int envelope_nr)
7900 {
7901   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
7902   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7903
7904   UnmapGadget(gi);
7905   DrawBackground(gi->x, gi->y, gi->width, gi->height);
7906
7907   if (envelope_nr != -1)
7908     textarea_info[id].value = level.envelope[envelope_nr].text;
7909
7910   ModifyGadget(gi, GDI_AREA_SIZE,
7911                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
7912                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
7913                GDI_END);
7914
7915   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
7916 }
7917
7918 static boolean PrintInfoText(char *text, int font_nr, int start_line)
7919 {
7920   int font_height = getFontHeight(font_nr);
7921   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7922   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7923   int sx = SX + pad_x;
7924   int sy = SY + pad_y;
7925   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
7926
7927   if (start_line >= max_lines_per_screen)
7928     return FALSE;
7929
7930   DrawText(sx, sy + start_line * font_height, text, font_nr);
7931
7932   return TRUE;
7933 }
7934
7935 static int PrintElementDescriptionFromFile(char *filename, int start_line)
7936 {
7937   int font_nr = FONT_TEXT_2;
7938   int font_width = getFontWidth(font_nr);
7939   int font_height = getFontHeight(font_nr);
7940   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7941   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7942   int sx = SX + pad_x;
7943   int sy = SY + pad_y + start_line * font_height;
7944   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
7945   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
7946
7947   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
7948                       max_lines_per_screen, -1, TRUE, FALSE, FALSE);
7949 }
7950
7951 static void DrawPropertiesInfo()
7952 {
7953   static struct
7954   {
7955     int value;
7956     char *text;
7957   }
7958   properties[] =
7959   {
7960     /* configurable properties */
7961
7962     { EP_WALKABLE_OVER,         "- player can walk over it"             },
7963     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
7964     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
7965     { EP_PASSABLE_OVER,         "- player can pass over it"             },
7966     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
7967     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
7968     { EP_PROTECTED,             "- player is protected by it"           },
7969
7970     { EP_DIGGABLE,              "- can be digged away"                  },
7971     { EP_COLLECTIBLE,           "- can be collected"                    },
7972     { EP_DROPPABLE,             "- can be dropped after collecting"     },
7973     { EP_THROWABLE,             "- can be thrown after collecting"      },
7974     { EP_PUSHABLE,              "- can be pushed"                       },
7975
7976     { EP_CAN_FALL,              "- can fall"                            },
7977     { EP_CAN_MOVE,              "- can move"                            },
7978
7979     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
7980 #if 0
7981     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
7982 #endif
7983     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
7984
7985     { EP_SLIPPERY,              "- slippery for falling elements"       },
7986     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
7987
7988     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
7989     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
7990     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
7991     { EP_DONT_TOUCH,            "- deadly when touching"                },
7992
7993     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
7994
7995     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
7996     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
7997     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
7998
7999     { EP_CAN_CHANGE,            "- can change to other element"         },
8000
8001     /* pre-defined properties */
8002     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8003     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8004     { EP_SWITCHABLE,            "- can be switched"                     },
8005 #if 0
8006     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8007 #endif
8008
8009     { -1,                       NULL                                    }
8010   };
8011   char *filename = getElementDescriptionFilename(properties_element);
8012   char *percentage_text = "In this level:";
8013   char *properties_text = "Standard properties:";
8014   float percentage;
8015   int num_elements_in_level;
8016   int num_standard_properties = 0;
8017   int font1_nr = FONT_TEXT_1;
8018   int font2_nr = FONT_TEXT_2;
8019   int font1_width = getFontWidth(font1_nr);
8020   int font2_height = getFontHeight(font2_nr);
8021   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8022   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8023   int screen_line = 0;
8024   int i, x, y;
8025
8026   if (setup.editor.show_element_token)
8027   {
8028     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8029               "[%s]", element_info[properties_element].token_name);
8030     screen_line++;
8031   }
8032
8033   /* ----- print number of elements / percentage of this element in level */
8034
8035   num_elements_in_level = 0;
8036   for (y = 0; y < lev_fieldy; y++)
8037     for (x = 0; x < lev_fieldx; x++)
8038       if (Feld[x][y] == properties_element)
8039         num_elements_in_level++;
8040   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8041
8042   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8043             percentage_text);
8044   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8045             pad_y + screen_line++ * font2_height, font2_nr,
8046             "%d (%.2f%%)", num_elements_in_level, percentage);
8047
8048   screen_line++;
8049
8050   /* ----- print standard properties of this element */
8051
8052   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8053             properties_text);
8054
8055   for (i = 0; properties[i].value != -1; i++)
8056   {
8057     if (!HAS_PROPERTY(properties_element, properties[i].value))
8058       continue;
8059
8060     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8061               properties[i].text);
8062     num_standard_properties++;
8063   }
8064
8065   if (num_standard_properties == 0)
8066     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8067               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8068
8069   screen_line++;
8070
8071   /* ----- print special description of this element */
8072
8073   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8074   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8075     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8076 }
8077
8078 #define TEXT_COLLECTING         "Score for collecting"
8079 #define TEXT_SMASHING           "Score for smashing"
8080 #define TEXT_SLURPING           "Score for slurping robot"
8081 #define TEXT_CRACKING           "Score for cracking"
8082 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8083 #define TEXT_DURATION           "Duration when activated"
8084 #define TEXT_BALL_DELAY         "Element generation delay"
8085 #define TEXT_MOVE_SPEED         "Speed of android moving"
8086 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8087 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8088 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8089 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8090 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8091 #define TEXT_TIME_BONUS         "Extra time to solve level"
8092
8093 static struct
8094 {
8095   int element;
8096   int *value;
8097   char *text;
8098 } elements_with_counter[] =
8099 {
8100   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8101   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8102   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8103   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8104   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8105   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8106   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8107   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8108   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8109   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8110   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8111   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8112   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8113   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8114   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8115   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8116   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8117   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8118   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8119   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8120   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8121   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8122   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8123   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8124   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8125   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8126   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8127   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8128   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8129   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8130   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8131   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8132   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8133   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8134   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8135   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8136   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8137   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8138   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8139   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8140   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8141   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8142   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8143   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8144   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8145   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8146   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8147   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8148   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8149   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8150   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8151   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8152   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8153   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8154   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8155   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8156   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8157   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8158   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8159   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8160   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8161   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8162   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8163   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8164   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8165   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8166   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8167   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8168   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8169   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8170   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8171   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8172   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8173   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8174
8175   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8176   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8177   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8178   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8179   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8180   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8181   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8182   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8183   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8184   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8185   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8186   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8187   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8188   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8189   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8190   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8191
8192   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8193   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8194   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8195   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8196   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8197   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8198   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8199   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8200
8201   { -1,                 NULL,                           NULL            }
8202 };
8203
8204 static boolean checkPropertiesConfig(int element)
8205 {
8206   int i;
8207
8208   if (IS_GEM(element) ||
8209       IS_CUSTOM_ELEMENT(element) ||
8210       IS_GROUP_ELEMENT(element) ||
8211       IS_ENVELOPE(element) ||
8212       ELEM_IS_PLAYER(element) ||
8213       HAS_EDITOR_CONTENT(element) ||
8214       CAN_GROW(element) ||
8215       COULD_MOVE_INTO_ACID(element) ||
8216       MAYBE_DONT_COLLIDE_WITH(element))
8217     return TRUE;
8218   else
8219     for (i = 0; elements_with_counter[i].element != -1; i++)
8220       if (elements_with_counter[i].element == element)
8221         return TRUE;
8222
8223   return FALSE;
8224 }
8225
8226 static void DrawPropertiesConfig()
8227 {
8228   int max_num_element_counters = 4;
8229   int num_element_counters = 0;
8230   int i;
8231
8232   if (!checkPropertiesConfig(properties_element))
8233   {
8234     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8235
8236     return;
8237   }
8238
8239   /* check if there are elements where a value can be chosen for */
8240   for (i = 0; elements_with_counter[i].element != -1; i++)
8241   {
8242     if (elements_with_counter[i].element == properties_element)
8243     {
8244       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8245
8246       counterbutton_info[counter_id].y =
8247         ED_ELEMENT_SETTINGS_YPOS(
8248                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8249                 (CAN_GROW(properties_element)                ? 1 : 0) +
8250                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8251                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8252                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8253                 num_element_counters);
8254
8255       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8256       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8257
8258       if (properties_element == EL_GAME_OF_LIFE ||
8259           properties_element == EL_BIOMAZE)
8260       {
8261         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8262         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8263       }
8264       else
8265       {
8266         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8267         counterbutton_info[counter_id].min_value = MIN_SCORE;
8268         counterbutton_info[counter_id].max_value = MAX_SCORE;
8269       }
8270
8271       MapCounterButtons(counter_id);
8272
8273       num_element_counters++;
8274       if (num_element_counters >= max_num_element_counters)
8275         break;
8276     }
8277   }
8278
8279   if (HAS_EDITOR_CONTENT(properties_element))
8280   {
8281     /* draw stickybutton gadget */
8282     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8283
8284     if (IS_AMOEBOID(properties_element))
8285       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8286     else if (properties_element == EL_YAMYAM ||
8287              properties_element == EL_YAMYAM_LEFT ||
8288              properties_element == EL_YAMYAM_RIGHT ||
8289              properties_element == EL_YAMYAM_UP ||
8290              properties_element == EL_YAMYAM_DOWN)
8291       DrawYamYamContentAreas();
8292     else if (properties_element == EL_EMC_MAGIC_BALL)
8293     {
8294       DrawMagicBallContentAreas();
8295
8296       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8297       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8298     }
8299     else if (properties_element == EL_EMC_ANDROID)
8300       DrawAndroidElementArea(properties_element);
8301   }
8302
8303   if (ELEM_IS_PLAYER(properties_element))
8304   {
8305     int player_nr = GET_PLAYER_NR(properties_element);
8306
8307     /* these properties can be set for every player individually */
8308
8309     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8310     {
8311       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8312         &level.start_element[player_nr];
8313       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8314         &level.artwork_element[player_nr];
8315       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8316         &level.explosion_element[player_nr];
8317
8318       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8319         &level.use_start_element[player_nr];
8320       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8321         &level.use_artwork_element[player_nr];
8322       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8323         &level.use_explosion_element[player_nr];
8324       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8325         &level.initial_player_gravity[player_nr];
8326
8327       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8328         &level.initial_player_stepsize[player_nr];
8329
8330       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8331       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8332                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8333                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8334       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8335       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8336       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8337       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8338       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8339       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8340       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8341       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8342       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8343
8344       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8345       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8346       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8347
8348       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8349     }
8350     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8351     {
8352       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8353         &level.initial_inventory_content[player_nr][0];
8354
8355       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8356         &level.initial_inventory_size[player_nr];
8357
8358       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8359         &level.use_initial_inventory[player_nr];
8360
8361       /* draw checkbutton gadgets */
8362       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8363
8364       /* draw counter gadgets */
8365       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8366
8367       /* draw drawing area gadgets */
8368       DrawPlayerInitialInventoryArea(properties_element);
8369     }
8370   }
8371
8372   if (IS_GEM(properties_element))
8373     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8374
8375   if (properties_element == EL_EM_DYNAMITE)
8376     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8377
8378   if (COULD_MOVE_INTO_ACID(properties_element) &&
8379       !ELEM_IS_PLAYER(properties_element) &&
8380       (!IS_CUSTOM_ELEMENT(properties_element) ||
8381        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8382   {
8383     /* set position for checkbutton for "can move into acid" */
8384     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8385       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8386     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8387       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8388                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8389
8390     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8391   }
8392
8393   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8394     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8395
8396   if (properties_element == EL_SPRING)
8397     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8398
8399   if (properties_element == EL_TIME_ORB_FULL)
8400     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8401
8402   if (CAN_GROW(properties_element))
8403   {
8404     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8405       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8406
8407     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8408   }
8409
8410   if (IS_ENVELOPE(properties_element))
8411   {
8412     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8413     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8414     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8415     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8416     int envelope_nr = properties_element - EL_ENVELOPE_1;
8417
8418     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8419     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8420
8421     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8422     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8423
8424     /* display counter to choose size of envelope text area */
8425     MapCounterButtons(counter1_id);
8426     MapCounterButtons(counter2_id);
8427
8428     /* display checkbuttons to choose auto-wrap and alignment properties */
8429     MapCheckbuttonGadget(button1_id);
8430     MapCheckbuttonGadget(button2_id);
8431
8432     DrawEnvelopeTextArea(envelope_nr);
8433   }
8434
8435   if (IS_CUSTOM_ELEMENT(properties_element))
8436   {
8437     /* draw stickybutton gadget */
8438     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8439
8440     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8441     {
8442       /* draw checkbutton gadgets */
8443       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8444            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8445         MapCheckbuttonGadget(i);
8446
8447       /* draw counter gadgets */
8448       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8449            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8450         MapCounterButtons(i);
8451
8452       /* draw selectbox gadgets */
8453       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8454            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8455         MapSelectboxGadget(i);
8456
8457       /* draw textbutton gadgets */
8458       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8459
8460       /* draw text input gadgets */
8461       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8462
8463       /* draw drawing area gadgets */
8464       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8465     }
8466     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8467     {
8468       /* draw checkbutton gadgets */
8469       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8470            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8471         MapCheckbuttonGadget(i);
8472
8473       /* draw counter gadgets */
8474       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8475            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8476         MapCounterButtons(i);
8477
8478       /* draw selectbox gadgets */
8479       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8480            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8481         MapSelectboxGadget(i);
8482
8483       /* draw drawing area gadgets */
8484       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8485       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8486       DrawCustomContentArea();
8487     }
8488   }
8489   else if (IS_GROUP_ELEMENT(properties_element))
8490   {
8491     /* draw stickybutton gadget */
8492     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8493
8494     /* draw checkbutton gadgets */
8495     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8496     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8497
8498     /* draw counter gadgets */
8499     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8500
8501     /* draw selectbox gadgets */
8502     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8503
8504     /* draw textbutton gadgets */
8505     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8506
8507     /* draw drawing area gadgets */
8508     DrawGroupElementArea(properties_element);
8509
8510     /* draw text input gadgets */
8511     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8512
8513     /* draw drawing area gadgets */
8514     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8515   }
8516 }
8517
8518 static void DrawPropertiesChangeDrawingAreas()
8519 {
8520   if (IS_CUSTOM_ELEMENT(properties_element))
8521   {
8522     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8523     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8524     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8525
8526     DrawCustomChangeContentArea();
8527   }
8528
8529   redraw_mask |= REDRAW_FIELD;
8530 }
8531
8532 static void DrawPropertiesChange()
8533 {
8534   int i;
8535
8536   /* needed to initially set selectbox options for special action options */
8537   setSelectboxSpecialActionOptions();
8538
8539   /* draw stickybutton gadget */
8540   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8541
8542   /* draw checkbutton gadgets */
8543   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8544        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8545     MapCheckbuttonGadget(i);
8546
8547   /* draw counter gadgets */
8548   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8549        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8550     MapCounterButtons(i);
8551
8552   /* draw selectbox gadgets */
8553   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8554        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8555     MapSelectboxGadget(i);
8556
8557   /* draw textbutton gadgets */
8558   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8559        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8560     MapTextbuttonGadget(i);
8561
8562   /* draw graphicbutton gadgets */
8563   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8564        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8565     MapGraphicbuttonGadget(i);
8566
8567   /* draw drawing area gadgets */
8568   DrawPropertiesChangeDrawingAreas();
8569 }
8570
8571 static void DrawEditorElementAnimation(int x, int y)
8572 {
8573   int graphic = el2img(properties_element);
8574   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8575                custom_element.ce_value_fixed_initial :
8576                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8577                custom_element.collect_score_initial : FrameCounter);
8578
8579   DrawGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8580 }
8581
8582 static void DrawEditorElementName(int x, int y, int element)
8583 {
8584   char *element_name = getElementInfoText(element);
8585   int font_nr = FONT_TEXT_1;
8586   int font_width = getFontWidth(font_nr);
8587   int font_height = getFontHeight(font_nr);
8588   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8589   int max_chars_per_line = max_text_width / font_width;
8590   char buffer[max_chars_per_line + 1];
8591
8592   if (strlen(element_name) <= max_chars_per_line)
8593     DrawTextS(x, y, font_nr, element_name);
8594   else
8595   {
8596     int next_pos = max_chars_per_line;
8597
8598     strncpy(buffer, element_name, max_chars_per_line);
8599     buffer[max_chars_per_line] = '\0';
8600
8601     if (element_name[max_chars_per_line] == ' ')
8602       next_pos++;
8603     else
8604     {
8605       int i;
8606
8607       for (i = max_chars_per_line - 1; i >= 0; i--)
8608         if (buffer[i] == ' ')
8609           break;
8610
8611       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8612       {
8613         buffer[i] = '\0';
8614         next_pos = i + 1;
8615       }
8616     }
8617
8618     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8619
8620     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8621     buffer[max_chars_per_line] = '\0';
8622
8623     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8624   }
8625 }
8626
8627 static void DrawPropertiesWindow()
8628 {
8629   int xstart = 2;
8630   int ystart = 4;
8631
8632   stick_element_properties_window = FALSE;
8633
8634   /* make sure that previous properties edit mode exists for this element */
8635   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8636       !IS_CUSTOM_ELEMENT(properties_element))
8637     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8638
8639   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8640       !ELEM_IS_PLAYER(properties_element) &&
8641       !IS_CUSTOM_ELEMENT(properties_element))
8642     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8643
8644   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8645       (ELEM_IS_PLAYER(properties_element) ||
8646        IS_CUSTOM_ELEMENT(properties_element)))
8647     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8648
8649   CopyElementPropertiesToEditor(properties_element);
8650
8651   UnmapLevelEditorWindowGadgets();
8652   UnmapLevelEditorToolboxDrawingGadgets();
8653   UnmapLevelEditorToolboxCustomGadgets();
8654
8655   if (IS_CUSTOM_ELEMENT(properties_element) ||
8656       IS_GROUP_ELEMENT(properties_element))
8657     MapLevelEditorToolboxCustomGadgets();
8658
8659   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8660   ClearField();
8661
8662 #if 1
8663   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8664 #else
8665   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
8666            "Element Settings", FONT_TITLE_1);
8667 #endif
8668
8669   FrameCounter = 0;     /* restart animation frame counter */
8670
8671   DrawElementBorder(SX + xstart * MINI_TILEX,
8672                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8673                     TILEX, TILEY, FALSE);
8674
8675   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8676                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8677
8678   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8679                         (ystart + 1) * MINI_TILEY + 1,
8680                         properties_element);
8681
8682   DrawPropertiesTabulatorGadgets();
8683
8684   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8685     DrawPropertiesInfo();
8686   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8687     DrawPropertiesChange();
8688   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8689     DrawPropertiesConfig();
8690 }
8691
8692 static void UpdateCustomElementGraphicGadgets()
8693 {
8694   struct ElementInfo *ei = &element_info[properties_element];
8695   int i;
8696
8697   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8698                      properties_element);
8699
8700   ModifyEditorElementList();
8701   RedrawDrawingElements();
8702
8703   /* force redraw of all mapped drawing area gadgets */
8704   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8705   {
8706     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8707
8708     if (gi->mapped)
8709       MapDrawingArea(i);
8710   }
8711 }
8712
8713 static int getOpenDirectionFromTube(int element)
8714 {
8715   switch (element)
8716   {
8717     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8718     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8719     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8720     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8721     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8722     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8723     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8724     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8725     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8726     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8727     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8728   }
8729
8730   return MV_NONE;
8731 }
8732
8733 static int getTubeFromOpenDirection(int direction)
8734 {
8735   switch (direction)
8736   {
8737     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8738     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8739     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8740     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8741     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8742     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8743     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8744     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8745     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8746     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8747     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8748
8749     /* if only one direction, fall back to simple tube with that direction */
8750     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8751     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8752     case (MV_UP):                       return EL_TUBE_VERTICAL;
8753     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8754   }
8755
8756   return EL_EMPTY;
8757 }
8758
8759 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8760 {
8761   int element_new = getTubeFromOpenDirection(direction);
8762
8763   return (element_new != EL_EMPTY ? element_new : element_old);
8764 }
8765
8766 static int getOpenDirectionFromBelt(int element)
8767 {
8768   int belt_dir = getBeltDirFromBeltElement(element);
8769
8770   return (belt_dir == MV_LEFT ? MV_RIGHT :
8771           belt_dir == MV_RIGHT ? MV_LEFT :
8772           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8773 }
8774
8775 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8776 {
8777   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8778                   direction == MV_RIGHT ? MV_LEFT :
8779                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8780
8781   if (direction == MV_NONE)
8782     return EL_EMPTY;
8783
8784   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8785 }
8786
8787 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8788                                                  int element_old)
8789 {
8790   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8791
8792   return (element_new != EL_EMPTY ? element_new : element_old);
8793 }
8794
8795 static int getOpenDirectionFromPool(int element)
8796 {
8797   switch (element)
8798   {
8799     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
8800     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
8801     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
8802     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
8803     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
8804     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
8805   }
8806
8807   return MV_NONE;
8808 }
8809
8810 static int getPoolFromOpenDirection(int direction)
8811 {
8812   switch (direction)
8813   {
8814     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
8815     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
8816     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
8817     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
8818     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
8819     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
8820   }
8821
8822   return EL_EMPTY;
8823 }
8824
8825 static int getPoolFromOpenDirectionExt(int direction, int help_element)
8826 {
8827   int element = getPoolFromOpenDirection(direction);
8828   int help_direction = getOpenDirectionFromPool(help_element);
8829
8830   if (element == EL_EMPTY)
8831   {
8832     int help_direction_vertical = help_direction & MV_VERTICAL;
8833
8834     element = getPoolFromOpenDirection(direction | help_direction_vertical);
8835   }
8836
8837   if (element == EL_EMPTY)
8838   {
8839     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
8840
8841     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
8842   }
8843
8844   return element;
8845 }
8846
8847 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
8848 {
8849   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
8850
8851   return (element_new != EL_EMPTY ? element_new : element_old);
8852 }
8853
8854 static int getOpenDirectionFromPillar(int element)
8855 {
8856   switch (element)
8857   {
8858     case EL_EMC_WALL_1:                 return (MV_DOWN);
8859     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
8860     case EL_EMC_WALL_3:                 return (MV_UP);
8861   }
8862
8863   return MV_NONE;
8864 }
8865
8866 static int getPillarFromOpenDirection(int direction)
8867 {
8868   switch (direction)
8869   {
8870     case (MV_DOWN):                     return EL_EMC_WALL_1;
8871     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
8872     case (MV_UP):                       return EL_EMC_WALL_3;
8873   }
8874
8875   return EL_EMPTY;
8876 }
8877
8878 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
8879 {
8880   int element_new = getPillarFromOpenDirection(direction);
8881
8882   return (element_new != EL_EMPTY ? element_new : element_old);
8883 }
8884
8885 static int getOpenDirectionFromSteel2(int element)
8886 {
8887   switch (element)
8888   {
8889     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
8890     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
8891     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
8892     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
8893     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
8894     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
8895     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
8896     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
8897   }
8898
8899   return MV_NONE;
8900 }
8901
8902 static int getSteel2FromOpenDirection(int direction)
8903 {
8904   switch (direction)
8905   {
8906     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
8907     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
8908     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
8909     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
8910     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
8911     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
8912     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
8913     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
8914   }
8915
8916   return EL_EMPTY;
8917 }
8918
8919 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
8920 {
8921   int element_new = getSteel2FromOpenDirection(direction);
8922
8923   return (element_new != EL_EMPTY ? element_new : element_old);
8924 }
8925
8926 static int getOpenDirectionFromChip(int element)
8927 {
8928   switch (element)
8929   {
8930     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
8931     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
8932     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
8933     case EL_SP_CHIP_TOP:                return (MV_DOWN);
8934     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
8935   }
8936
8937   return MV_NONE;
8938 }
8939
8940 static int getChipFromOpenDirection(int direction)
8941 {
8942   switch (direction)
8943   {
8944     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
8945     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
8946     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
8947     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
8948     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
8949   }
8950
8951   return EL_EMPTY;
8952 }
8953
8954 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
8955 {
8956   int element_new = getChipFromOpenDirection(direction);
8957
8958   return (element_new != EL_EMPTY ? element_new : element_old);
8959 }
8960
8961 static int getClosedTube(int x, int y)
8962 {
8963   static int xy[4][2] =
8964   {
8965     { -1, 0 },
8966     { +1, 0 },
8967     { 0, -1 },
8968     { 0, +1 }
8969   };
8970   int element_old = IntelliDrawBuffer[x][y];
8971   int direction_old = getOpenDirectionFromTube(element_old);
8972   int direction_new = MV_NONE;
8973   int i;
8974
8975   for (i = 0; i < NUM_DIRECTIONS; i++)
8976   {
8977     int xx = x + xy[i][0];
8978     int yy = y + xy[i][1];
8979     int dir = MV_DIR_FROM_BIT(i);
8980     int dir_opposite = MV_DIR_OPPOSITE(dir);
8981
8982     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
8983         (direction_old & dir) &&
8984         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8985       direction_new |= dir;
8986   }
8987
8988   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
8989 }
8990
8991 static int getClosedBelt(int x, int y)
8992 {
8993   static int xy[4][2] =
8994   {
8995     { -1, 0 },
8996     { +1, 0 },
8997     { 0, -1 },
8998     { 0, +1 }
8999   };
9000   int element_old = IntelliDrawBuffer[x][y];
9001   int nr = getBeltNrFromBeltElement(element_old);
9002   int direction_old = getOpenDirectionFromBelt(element_old);
9003   int direction_new = MV_NONE;
9004   int i;
9005
9006   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9007   {
9008     int xx = x + xy[i][0];
9009     int yy = y + xy[i][1];
9010     int dir = MV_DIR_FROM_BIT(i);
9011     int dir_opposite = MV_DIR_OPPOSITE(dir);
9012
9013     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9014         (direction_old & dir) &&
9015         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9016       direction_new |= dir;
9017   }
9018
9019   return getBeltFromNrAndOpenDirection(nr, direction_new);
9020 }
9021
9022 static int getClosedPool(int x, int y)
9023 {
9024   static int xy[4][2] =
9025   {
9026     { -1, 0 },
9027     { +1, 0 },
9028     { 0, -1 },
9029     { 0, +1 }
9030   };
9031   int element_old = IntelliDrawBuffer[x][y];
9032   int direction_old = getOpenDirectionFromPool(element_old);
9033   int direction_new = MV_NONE;
9034   int i;
9035
9036   for (i = 0; i < NUM_DIRECTIONS; i++)
9037   {
9038     int xx = x + xy[i][0];
9039     int yy = y + xy[i][1];
9040     int dir = MV_DIR_FROM_BIT(i);
9041     int dir_opposite = MV_DIR_OPPOSITE(dir);
9042
9043     if (IN_LEV_FIELD(xx, yy) &&
9044         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9045         (direction_old & dir) &&
9046         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9047       direction_new |= dir;
9048   }
9049
9050   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9051 }
9052
9053 static int getClosedPillar(int x, int y)
9054 {
9055   static int xy[4][2] =
9056   {
9057     { -1, 0 },
9058     { +1, 0 },
9059     { 0, -1 },
9060     { 0, +1 }
9061   };
9062   int element_old = IntelliDrawBuffer[x][y];
9063   int direction_old = getOpenDirectionFromPillar(element_old);
9064   int direction_new = MV_NONE;
9065   int i;
9066
9067   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9068   {
9069     int xx = x + xy[i][0];
9070     int yy = y + xy[i][1];
9071     int dir = MV_DIR_FROM_BIT(i);
9072     int dir_opposite = MV_DIR_OPPOSITE(dir);
9073
9074     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9075         (direction_old & dir) &&
9076         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9077       direction_new |= dir;
9078   }
9079
9080   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9081 }
9082
9083 static int getClosedSteel2(int x, int y)
9084 {
9085   static int xy[4][2] =
9086   {
9087     { -1, 0 },
9088     { +1, 0 },
9089     { 0, -1 },
9090     { 0, +1 }
9091   };
9092   int element_old = IntelliDrawBuffer[x][y];
9093   int direction_old = getOpenDirectionFromSteel2(element_old);
9094   int direction_new = MV_NONE;
9095   int i;
9096
9097   for (i = 0; i < NUM_DIRECTIONS; i++)
9098   {
9099     int xx = x + xy[i][0];
9100     int yy = y + xy[i][1];
9101     int dir = MV_DIR_FROM_BIT(i);
9102     int dir_opposite = MV_DIR_OPPOSITE(dir);
9103
9104     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9105         (direction_old & dir) &&
9106         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9107       direction_new |= dir;
9108   }
9109
9110   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9111 }
9112
9113 static int getClosedChip(int x, int y)
9114 {
9115   static int xy[4][2] =
9116   {
9117     { -1, 0 },
9118     { +1, 0 },
9119     { 0, -1 },
9120     { 0, +1 }
9121   };
9122   int element_old = IntelliDrawBuffer[x][y];
9123   int direction_old = getOpenDirectionFromChip(element_old);
9124   int direction_new = MV_NONE;
9125   int i;
9126
9127   for (i = 0; i < NUM_DIRECTIONS; i++)
9128   {
9129     int xx = x + xy[i][0];
9130     int yy = y + xy[i][1];
9131     int dir = MV_DIR_FROM_BIT(i);
9132     int dir_opposite = MV_DIR_OPPOSITE(dir);
9133
9134     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9135         (direction_old & dir) &&
9136         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9137       direction_new |= dir;
9138   }
9139
9140   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9141 }
9142
9143 static void SetElementSimple(int x, int y, int element, boolean change_level)
9144 {
9145   int sx = x - level_xpos;
9146   int sy = y - level_ypos;
9147
9148   IntelliDrawBuffer[x][y] = element;
9149
9150   if (change_level)
9151     Feld[x][y] = element;
9152
9153   if (IN_ED_FIELD(sx, sy))
9154     DrawMiniElement(sx, sy, element);
9155 }
9156
9157 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9158                                            int x2, int y2, int *element2,
9159                                            int (*close_function)(int, int),
9160                                            boolean change_level)
9161 {
9162   /* set neighbour elements to newly determined connections */
9163   SetElementSimple(x1, y1, *element1, change_level);
9164   SetElementSimple(x2, y2, *element2, change_level);
9165
9166   /* remove all open connections of neighbour elements */
9167   *element1 = close_function(x1, y1);
9168   *element2 = close_function(x2, y2);
9169
9170   /* set neighbour elements to new, minimized connections */
9171   SetElementSimple(x1, y1, *element1, change_level);
9172   SetElementSimple(x2, y2, *element2, change_level);
9173 }
9174
9175 static void SetElementIntelliDraw(int x, int y, int new_element,
9176                                   boolean change_level, int button)
9177 {
9178   static int xy[4][2] =
9179   {
9180     { -1, 0 },
9181     { +1, 0 },
9182     { 0, -1 },
9183     { 0, +1 }
9184   };
9185   static int last_x = -1;
9186   static int last_y = -1;
9187   int old_element = IntelliDrawBuffer[x][y];
9188
9189   if (new_element == EL_UNDEFINED)
9190   {
9191     last_x = -1;
9192     last_y = -1;
9193
9194     return;
9195   }
9196
9197   if (IS_TUBE(new_element))
9198   {
9199     int last_element_new = EL_UNDEFINED;
9200     int direction = MV_NONE;
9201     int i;
9202
9203     /* if old element is of same kind, keep all existing directions */
9204     if (IS_TUBE(old_element))
9205       direction |= getOpenDirectionFromTube(old_element);
9206
9207     for (i = 0; i < NUM_DIRECTIONS; i++)
9208     {
9209       int xx = x + xy[i][0];
9210       int yy = y + xy[i][1];
9211
9212       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9213           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9214       {
9215         int dir = MV_DIR_FROM_BIT(i);
9216         int dir_opposite = MV_DIR_OPPOSITE(dir);
9217         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9218         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9219         int last_direction_new = last_direction_old | dir_opposite;
9220
9221         last_element_new = getTubeFromOpenDirection(last_direction_new);
9222
9223         direction |= dir;
9224       }
9225     }
9226
9227     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9228
9229     if (last_element_new != EL_UNDEFINED)
9230       MergeAndCloseNeighbourElements(x, y, &new_element,
9231                                      last_x, last_y, &last_element_new,
9232                                      getClosedTube, change_level);
9233   }
9234   else if (IS_BELT(new_element))
9235   {
9236     int belt_nr = getBeltNrFromBeltElement(new_element);
9237     int last_element_new = EL_UNDEFINED;
9238     int direction = MV_NONE;
9239     int i;
9240
9241     /* if old element is of same kind, keep all existing directions */
9242     if (IS_BELT(old_element))
9243       direction |= getOpenDirectionFromBelt(old_element);
9244
9245     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9246     {
9247       int xx = x + xy[i][0];
9248       int yy = y + xy[i][1];
9249
9250       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9251           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9252       {
9253         int dir = MV_DIR_FROM_BIT(i);
9254         int dir_opposite = MV_DIR_OPPOSITE(dir);
9255         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9256         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9257         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9258         int last_direction_new = last_direction_old | dir_opposite;
9259
9260         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9261                                                          last_direction_new);
9262         direction |= dir;
9263       }
9264     }
9265
9266     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9267                                                         new_element);
9268     if (last_element_new != EL_UNDEFINED)
9269       MergeAndCloseNeighbourElements(x, y, &new_element,
9270                                      last_x, last_y, &last_element_new,
9271                                      getClosedBelt, change_level);
9272   }
9273   else if (IS_ACID_POOL_OR_ACID(new_element))
9274   {
9275     int last_element_new = EL_UNDEFINED;
9276     int direction = MV_NONE;
9277     int i;
9278
9279     /* if old element is of same kind, keep all existing directions */
9280     if (IS_ACID_POOL_OR_ACID(old_element))
9281       direction |= getOpenDirectionFromPool(old_element);
9282
9283     for (i = 0; i < NUM_DIRECTIONS; i++)
9284     {
9285       int xx = x + xy[i][0];
9286       int yy = y + xy[i][1];
9287
9288       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9289           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9290       {
9291         int dir = MV_DIR_FROM_BIT(i);
9292         int dir_opposite = MV_DIR_OPPOSITE(dir);
9293         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9294         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9295         int last_direction_new = last_direction_old | dir_opposite;
9296
9297         last_element_new = getPoolFromOpenDirection(last_direction_new);
9298
9299         direction |= dir;
9300       }
9301     }
9302
9303     /* special corrections needed for intuitively correct acid pool drawing */
9304     if (last_element_new == EL_EMPTY)
9305       last_element_new = new_element;
9306     else if (last_element_new != EL_UNDEFINED)
9307       new_element = last_element_new;
9308
9309     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9310
9311     if (last_element_new != EL_UNDEFINED)
9312       MergeAndCloseNeighbourElements(x, y, &new_element,
9313                                      last_x, last_y, &last_element_new,
9314                                      getClosedPool, change_level);
9315   }
9316   else if (IS_EMC_PILLAR(new_element))
9317   {
9318     int last_element_new = EL_UNDEFINED;
9319     int direction = MV_NONE;
9320     int i;
9321
9322     /* if old element is of same kind, keep all existing directions */
9323     if (IS_EMC_PILLAR(old_element))
9324       direction |= getOpenDirectionFromPillar(old_element);
9325
9326     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9327     {
9328       int xx = x + xy[i][0];
9329       int yy = y + xy[i][1];
9330
9331       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9332           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9333       {
9334         int dir = MV_DIR_FROM_BIT(i);
9335         int dir_opposite = MV_DIR_OPPOSITE(dir);
9336         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9337         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9338         int last_direction_new = last_direction_old | dir_opposite;
9339
9340         last_element_new = getPillarFromOpenDirection(last_direction_new);
9341
9342         direction |= dir;
9343       }
9344     }
9345
9346     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9347
9348     if (last_element_new != EL_UNDEFINED)
9349       MergeAndCloseNeighbourElements(x, y, &new_element,
9350                                      last_x, last_y, &last_element_new,
9351                                      getClosedPillar, change_level);
9352   }
9353   else if (IS_DC_STEELWALL_2(new_element))
9354   {
9355     int last_element_new = EL_UNDEFINED;
9356     int direction = MV_NONE;
9357     int i;
9358
9359     /* if old element is of same kind, keep all existing directions */
9360     if (IS_DC_STEELWALL_2(old_element))
9361       direction |= getOpenDirectionFromSteel2(old_element);
9362
9363     for (i = 0; i < NUM_DIRECTIONS; i++)
9364     {
9365       int xx = x + xy[i][0];
9366       int yy = y + xy[i][1];
9367
9368       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9369           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9370       {
9371         int dir = MV_DIR_FROM_BIT(i);
9372         int dir_opposite = MV_DIR_OPPOSITE(dir);
9373         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9374         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9375         int last_direction_new = last_direction_old | dir_opposite;
9376
9377         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9378
9379         direction |= dir;
9380       }
9381     }
9382
9383     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9384
9385     if (last_element_new != EL_UNDEFINED)
9386       MergeAndCloseNeighbourElements(x, y, &new_element,
9387                                      last_x, last_y, &last_element_new,
9388                                      getClosedSteel2, change_level);
9389   }
9390   else if (IS_SP_CHIP(new_element))
9391   {
9392     int last_element_new = EL_UNDEFINED;
9393     int direction = MV_NONE;
9394     int i;
9395
9396     /* (do not keep existing directions, regardless of kind of old element) */
9397
9398     for (i = 0; i < NUM_DIRECTIONS; i++)
9399     {
9400       int xx = x + xy[i][0];
9401       int yy = y + xy[i][1];
9402
9403       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9404           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9405       {
9406         int dir = MV_DIR_FROM_BIT(i);
9407         int dir_opposite = MV_DIR_OPPOSITE(dir);
9408         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9409         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9410         int last_direction_new = last_direction_old | dir_opposite;
9411
9412         if (last_direction_old == MV_NONE)
9413         {
9414           last_element_new = getChipFromOpenDirection(last_direction_new);
9415           direction |= dir;
9416         }
9417         else if (last_direction_old & (dir | dir_opposite))
9418         {
9419           direction |= MV_DIR_OPPOSITE(last_direction_old);
9420         }
9421         else
9422         {
9423           direction |= MV_DIR_OPPOSITE(dir);
9424         }
9425       }
9426     }
9427
9428     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9429
9430     if (last_element_new != EL_UNDEFINED)
9431       MergeAndCloseNeighbourElements(x, y, &new_element,
9432                                      last_x, last_y, &last_element_new,
9433                                      getClosedChip, change_level);
9434   }
9435   else if (IS_SP_HARDWARE_BASE(new_element))
9436   {
9437     int nr = GetSimpleRandom(6);
9438
9439     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9440                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9441                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9442                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9443                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9444   }
9445   else if (new_element == EL_SP_HARDWARE_GREEN ||
9446            new_element == EL_SP_HARDWARE_BLUE ||
9447            new_element == EL_SP_HARDWARE_RED)
9448   {
9449     int nr = GetSimpleRandom(3);
9450
9451     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9452                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9453   }
9454   else if (IS_GROUP_ELEMENT(new_element))
9455   {
9456     boolean connected_drawing = FALSE;
9457     int i;
9458
9459     for (i = 0; i < NUM_DIRECTIONS; i++)
9460     {
9461       int xx = x + xy[i][0];
9462       int yy = y + xy[i][1];
9463
9464       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9465           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9466         connected_drawing = TRUE;
9467     }
9468
9469     if (!connected_drawing)
9470       ResolveGroupElement(new_element);
9471
9472     new_element = GetElementFromGroupElement(new_element);
9473   }
9474   else if (IS_BELT_SWITCH(old_element))
9475   {
9476     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9477     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9478
9479     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9480                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9481
9482     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9483   }
9484   else
9485   {
9486     static int swappable_elements[][2] =
9487     {
9488       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9489       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9490       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9491       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9492       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9493       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9494       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9495       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9496       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9497       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9498       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9499       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9500       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9501       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9502       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9503       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9504       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9505       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9506       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9507       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9508       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9509       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9510       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9511       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9512       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9513       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9514       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9515       { EL_PEARL,                       EL_WALL_PEARL                   },
9516       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9517       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9518       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9519       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9520       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9521       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9522       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9523       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9524       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9525       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9526       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9527       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9528
9529       { -1,                             -1                              },
9530     };
9531     static int rotatable_elements[][4] =
9532     {
9533       {
9534         EL_BUG_UP,
9535         EL_BUG_RIGHT,
9536         EL_BUG_DOWN,
9537         EL_BUG_LEFT
9538       },
9539
9540       {
9541         EL_SPACESHIP_UP,
9542         EL_SPACESHIP_RIGHT,
9543         EL_SPACESHIP_DOWN,
9544         EL_SPACESHIP_LEFT
9545       },
9546
9547       {
9548         EL_BD_BUTTERFLY_UP,
9549         EL_BD_BUTTERFLY_RIGHT,
9550         EL_BD_BUTTERFLY_DOWN,
9551         EL_BD_BUTTERFLY_LEFT
9552       },
9553
9554       {
9555         EL_BD_FIREFLY_UP,
9556         EL_BD_FIREFLY_RIGHT,
9557         EL_BD_FIREFLY_DOWN,
9558         EL_BD_FIREFLY_LEFT
9559       },
9560
9561       {
9562         EL_PACMAN_UP,
9563         EL_PACMAN_RIGHT,
9564         EL_PACMAN_DOWN,
9565         EL_PACMAN_LEFT
9566       },
9567
9568       {
9569         EL_YAMYAM_UP,
9570         EL_YAMYAM_RIGHT,
9571         EL_YAMYAM_DOWN,
9572         EL_YAMYAM_LEFT
9573       },
9574
9575       {
9576         EL_ARROW_UP,
9577         EL_ARROW_RIGHT,
9578         EL_ARROW_DOWN,
9579         EL_ARROW_LEFT
9580       },
9581
9582       {
9583         EL_SP_PORT_UP,
9584         EL_SP_PORT_RIGHT,
9585         EL_SP_PORT_DOWN,
9586         EL_SP_PORT_LEFT
9587       },
9588
9589       {
9590         EL_SP_GRAVITY_PORT_UP,
9591         EL_SP_GRAVITY_PORT_RIGHT,
9592         EL_SP_GRAVITY_PORT_DOWN,
9593         EL_SP_GRAVITY_PORT_LEFT
9594       },
9595
9596       {
9597         EL_MOLE_UP,
9598         EL_MOLE_RIGHT,
9599         EL_MOLE_DOWN,
9600         EL_MOLE_LEFT
9601       },
9602
9603       {
9604         EL_BALLOON_SWITCH_UP,
9605         EL_BALLOON_SWITCH_RIGHT,
9606         EL_BALLOON_SWITCH_DOWN,
9607         EL_BALLOON_SWITCH_LEFT
9608       },
9609
9610       {
9611         EL_SP_GRAVITY_ON_PORT_UP,
9612         EL_SP_GRAVITY_ON_PORT_RIGHT,
9613         EL_SP_GRAVITY_ON_PORT_DOWN,
9614         EL_SP_GRAVITY_ON_PORT_LEFT
9615       },
9616
9617       {
9618         EL_SP_GRAVITY_OFF_PORT_UP,
9619         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9620         EL_SP_GRAVITY_OFF_PORT_DOWN,
9621         EL_SP_GRAVITY_OFF_PORT_LEFT
9622       },
9623
9624       {
9625         -1,
9626         -1,
9627         -1,
9628         -1,
9629       },
9630     };
9631     int i, j;
9632
9633     for (i = 0; swappable_elements[i][0] != -1; i++)
9634     {
9635       int element1 = swappable_elements[i][0];
9636       int element2 = swappable_elements[i][1];
9637
9638       if (old_element == element1 || old_element == element2)
9639         new_element = (old_element == element1 ? element2 : element1);
9640     }
9641
9642     for (i = 0; rotatable_elements[i][0] != -1; i++)
9643     {
9644       for (j = 0; j < 4; j++)
9645       {
9646         int element = rotatable_elements[i][j];
9647
9648         if (old_element == element)
9649           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9650                          button == 2 ? rotatable_elements[i][0]           :
9651                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9652                          old_element);
9653       }
9654     }
9655   }
9656
9657   SetElementSimple(x, y, new_element, change_level);
9658
9659   last_x = x;
9660   last_y = y;
9661 }
9662
9663 static void ResetIntelliDraw()
9664 {
9665   int x, y;
9666
9667   for (x = 0; x < lev_fieldx; x++)
9668     for (y = 0; y < lev_fieldy; y++)
9669       IntelliDrawBuffer[x][y] = Feld[x][y];
9670
9671   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9672 }
9673
9674 static void SetElementExt(int x, int y, int element, boolean change_level,
9675                           int button)
9676 {
9677   if (element < 0)
9678     SetElementSimple(x, y, Feld[x][y], change_level);
9679   else if (GetKeyModState() & KMOD_Shift)
9680     SetElementIntelliDraw(x, y, element, change_level, button);
9681   else
9682     SetElementSimple(x, y, element, change_level);
9683 }
9684
9685 static void SetElement(int x, int y, int element)
9686 {
9687   SetElementExt(x, y, element, TRUE, -1);
9688 }
9689
9690 static void SetElementButton(int x, int y, int element, int button)
9691 {
9692   SetElementExt(x, y, element, TRUE, button);
9693 }
9694
9695 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9696 {
9697   int lx = sx + level_xpos;
9698   int ly = sy + level_ypos;
9699
9700   SetElementExt(lx, ly, element, change_level, -1);
9701 }
9702
9703 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9704                      int element, boolean change_level)
9705 {
9706   int xsize = ABS(to_x - from_x);
9707   int ysize = ABS(to_y - from_y);
9708   int dx = (to_x < from_x ? -1 : +1);
9709   int dy = (to_y < from_y ? -1 : +1);
9710   int i;
9711
9712   if (from_y == to_y)                   /* horizontal line */
9713   {
9714     for (i = 0; i <= xsize; i++)
9715       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9716   }
9717   else if (from_x == to_x)              /* vertical line */
9718   {
9719     for (i = 0; i <= ysize; i++)
9720       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9721   }
9722   else                                  /* diagonal line */
9723   {
9724     if (ysize < xsize)                  /* a < 1 */
9725     {
9726       float a = (float)ysize / (float)xsize;
9727
9728       for (i = 0; i <= xsize; i++)
9729       {
9730         int x = dx * i;
9731         int y = dy * (int)(a * i + 0.5);
9732
9733         DrawLineElement(from_x + x, from_y + y, element, change_level);
9734       }
9735     }
9736     else                                /* a >= 1 */
9737     {
9738       float a = (float)xsize / (float)ysize;
9739
9740       for (i = 0; i <= ysize; i++)
9741       {
9742         int x = dx * (int)(a * i + 0.5);
9743         int y = dy * i;
9744
9745         DrawLineElement(from_x + x, from_y + y, element, change_level);
9746       }
9747     }
9748   }
9749 }
9750
9751 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9752                     int element, boolean change_level)
9753 {
9754   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9755   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9756   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9757   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9758 }
9759
9760 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9761                           int element, boolean change_level)
9762 {
9763   int y;
9764
9765   if (from_y > to_y)
9766     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9767
9768   for (y = from_y; y <= to_y; y++)
9769     DrawLine(from_x, y, to_x, y, element, change_level);
9770 }
9771
9772 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9773                        int element, boolean change_level)
9774 {
9775   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9776   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9777   int len_x = ABS(to_x - from_x);
9778   int len_y = ABS(to_y - from_y);
9779   int radius, x, y;
9780
9781   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9782
9783   /* not optimal (some points get drawn twice) but simple,
9784      and fast enough for the few points we are drawing */
9785
9786   for (x = 0; x <= radius; x++)
9787   {
9788     int sx, sy, lx, ly;
9789
9790     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9791
9792     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9793     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9794     lx = sx + level_xpos;
9795     ly = sy + level_ypos;
9796
9797     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9798       DrawLineElement(sx, sy, element, change_level);
9799   }
9800
9801   for (y = 0; y <= radius; y++)
9802   {
9803     int sx, sy, lx, ly;
9804
9805     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
9806
9807     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9808     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9809     lx = sx + level_xpos;
9810     ly = sy + level_ypos;
9811
9812     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9813       DrawLineElement(sx, sy, element, change_level);
9814   }
9815 }
9816
9817 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
9818                     int element, boolean change_level)
9819 {
9820   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9821   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9822
9823   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9824 }
9825
9826 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
9827
9828 #if DRAW_CIRCLES_BUTTON_AVAILABLE
9829 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
9830                        int element, boolean change_level)
9831 {
9832   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9833   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9834   int mirror_to_x2 = from_x - (to_x2 - from_x);
9835   int mirror_to_y2 = from_y - (to_y2 - from_y);
9836
9837   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9838   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
9839   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
9840   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
9841 }
9842 #endif
9843
9844 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
9845 {
9846   int from_sx, from_sy;
9847   int to_sx, to_sy;
9848
9849   if (from_x > to_x)
9850     swap_numbers(&from_x, &to_x);
9851
9852   if (from_y > to_y)
9853     swap_numbers(&from_y, &to_y);
9854
9855   from_sx = SX + from_x * MINI_TILEX;
9856   from_sy = SY + from_y * MINI_TILEY;
9857   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
9858   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
9859
9860   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
9861   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
9862   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
9863   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
9864
9865   if (from_x == to_x && from_y == to_y)
9866     MarkTileDirty(from_x/2, from_y/2);
9867   else
9868     redraw_mask |= REDRAW_FIELD;
9869 }
9870
9871 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
9872                        int element, boolean change_level)
9873 {
9874   if (element == -1 || change_level)
9875     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
9876   else
9877     DrawAreaBorder(from_x, from_y, to_x, to_y);
9878 }
9879
9880 /* values for CopyBrushExt() */
9881 #define CB_AREA_TO_BRUSH        0
9882 #define CB_BRUSH_TO_CURSOR      1
9883 #define CB_BRUSH_TO_LEVEL       2
9884 #define CB_DELETE_OLD_CURSOR    3
9885 #define CB_DUMP_BRUSH           4
9886 #define CB_DUMP_BRUSH_SMALL     5
9887
9888 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
9889                          int button, int mode)
9890 {
9891   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
9892   static int brush_width, brush_height;
9893   static int last_cursor_x = -1, last_cursor_y = -1;
9894   static boolean delete_old_brush;
9895   int new_element = BUTTON_ELEMENT(button);
9896   int x, y;
9897
9898   if (mode == CB_DUMP_BRUSH ||
9899       mode == CB_DUMP_BRUSH_SMALL)
9900   {
9901     if (!draw_with_brush)
9902     {
9903       Error(ERR_WARN, "no brush selected");
9904
9905       return;
9906     }
9907
9908     for (y = 0; y < brush_height; y++)
9909     {
9910       for (x = 0; x < brush_width; x++)
9911       {
9912         int element = brush_buffer[x][y];
9913         int element_mapped = element;
9914
9915         if (IS_CUSTOM_ELEMENT(element))
9916           element_mapped = EL_CUSTOM_START;
9917         else if (IS_GROUP_ELEMENT(element))
9918           element_mapped = EL_GROUP_START;
9919         else if (element >= NUM_FILE_ELEMENTS)
9920           element_mapped = EL_UNKNOWN;
9921
9922         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
9923       }
9924
9925       printf("\n");
9926     }
9927
9928     return;
9929   }
9930
9931   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
9932     return;
9933
9934   if (mode == CB_AREA_TO_BRUSH)
9935   {
9936     int from_lx, from_ly;
9937
9938     if (from_x > to_x)
9939       swap_numbers(&from_x, &to_x);
9940
9941     if (from_y > to_y)
9942       swap_numbers(&from_y, &to_y);
9943
9944     brush_width = to_x - from_x + 1;
9945     brush_height = to_y - from_y + 1;
9946
9947     from_lx = from_x + level_xpos;
9948     from_ly = from_y + level_ypos;
9949
9950     for (y = 0; y < brush_height; y++)
9951     {
9952       for (x = 0; x < brush_width; x++)
9953       {
9954         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
9955
9956         if (button != 1)
9957           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
9958       }
9959     }
9960
9961     if (button != 1)
9962       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9963
9964     delete_old_brush = FALSE;
9965   }
9966   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
9967            mode == CB_BRUSH_TO_LEVEL)
9968   {
9969     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
9970     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
9971     int cursor_from_x = cursor_x - brush_width / 2;
9972     int cursor_from_y = cursor_y - brush_height / 2;
9973     int border_from_x = cursor_x, border_from_y = cursor_y;
9974     int border_to_x = cursor_x, border_to_y = cursor_y;
9975
9976     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
9977       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
9978
9979     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
9980         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
9981     {
9982       delete_old_brush = FALSE;
9983       return;
9984     }
9985
9986     for (y = 0; y < brush_height; y++)
9987     {
9988       for (x = 0; x < brush_width; x++)
9989       {
9990         int sx = cursor_from_x + x;
9991         int sy = cursor_from_y + y;
9992         int lx = sx + level_xpos;
9993         int ly = sy + level_ypos;
9994         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
9995         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
9996                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
9997                        brush_buffer[x][y] : new_element);
9998
9999         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10000         {
10001           if (sx < border_from_x)
10002             border_from_x = sx;
10003           else if (sx > border_to_x)
10004             border_to_x = sx;
10005           if (sy < border_from_y)
10006             border_from_y = sy;
10007           else if (sy > border_to_y)
10008             border_to_y = sy;
10009
10010           DrawLineElement(sx, sy, element, change_level);
10011         }
10012       }
10013     }
10014
10015     if (mode != CB_DELETE_OLD_CURSOR)
10016       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10017
10018     last_cursor_x = cursor_x;
10019     last_cursor_y = cursor_y;
10020     delete_old_brush = TRUE;
10021   }
10022 }
10023
10024 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10025                             int button)
10026 {
10027   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10028 }
10029
10030 static void CopyBrushToLevel(int x, int y, int button)
10031 {
10032   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10033 }
10034
10035 static void CopyBrushToCursor(int x, int y)
10036 {
10037   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10038 }
10039
10040 static void DeleteBrushFromCursor()
10041 {
10042   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10043 }
10044
10045 void DumpBrush()
10046 {
10047   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10048 }
10049
10050 void DumpBrush_Small()
10051 {
10052   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10053 }
10054
10055 static void FloodFill(int from_x, int from_y, int fill_element)
10056 {
10057   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10058 }
10059
10060 /* values for DrawLevelText() modes */
10061 #define TEXT_INIT               0
10062 #define TEXT_SETCURSOR          1
10063 #define TEXT_WRITECHAR          2
10064 #define TEXT_BACKSPACE          3
10065 #define TEXT_NEWLINE            4
10066 #define TEXT_END                5
10067 #define TEXT_QUERY_TYPING       6
10068
10069 static int DrawLevelText(int sx, int sy, char letter, int mode)
10070 {
10071   static short delete_buffer[MAX_LEV_FIELDX];
10072   static int start_sx, start_sy;
10073   static int last_sx, last_sy;
10074   static boolean typing = FALSE;
10075   int letter_element = EL_CHAR_ASCII0 + letter;
10076   int lx = 0, ly = 0;
10077
10078   /* map lower case letters to upper case and convert special characters */
10079   if (letter >= 'a' && letter <= 'z')
10080     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10081   else if (letter == 'ä' || letter == 'Ä')
10082     letter_element = EL_CHAR_AUMLAUT;
10083   else if (letter == 'ö' || letter == 'Ö')
10084     letter_element = EL_CHAR_OUMLAUT;
10085   else if (letter == 'ü' || letter == 'Ü')
10086     letter_element = EL_CHAR_UUMLAUT;
10087   else if (letter == '^')
10088     letter_element = EL_CHAR_COPYRIGHT;
10089   else
10090     letter_element = EL_CHAR_ASCII0 + letter;
10091
10092   if (mode != TEXT_INIT)
10093   {
10094     if (!typing)
10095       return FALSE;
10096
10097     if (mode != TEXT_SETCURSOR)
10098     {
10099       sx = last_sx;
10100       sy = last_sy;
10101     }
10102
10103     lx = last_sx + level_xpos;
10104     ly = last_sy + level_ypos;
10105   }
10106
10107   switch (mode)
10108   {
10109     case TEXT_INIT:
10110       if (typing)
10111         DrawLevelText(0, 0, 0, TEXT_END);
10112
10113       typing = TRUE;
10114       start_sx = last_sx = sx;
10115       start_sy = last_sy = sy;
10116       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10117       break;
10118
10119     case TEXT_SETCURSOR:
10120       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10121       DrawAreaBorder(sx, sy, sx, sy);
10122       last_sx = sx;
10123       last_sy = sy;
10124       break;
10125
10126     case TEXT_WRITECHAR:
10127       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10128       {
10129         delete_buffer[sx - start_sx] = Feld[lx][ly];
10130         Feld[lx][ly] = letter_element;
10131
10132         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10133           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10134         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10135           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10136         else
10137           DrawLevelText(0, 0, 0, TEXT_END);
10138
10139         level.changed = TRUE;
10140       }
10141       break;
10142
10143     case TEXT_BACKSPACE:
10144       if (sx > start_sx)
10145       {
10146         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10147         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10148         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10149       }
10150       break;
10151
10152     case TEXT_NEWLINE:
10153       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10154         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10155       else
10156         DrawLevelText(0, 0, 0, TEXT_END);
10157       break;
10158
10159     case TEXT_END:
10160       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10161       DrawMiniElement(sx, sy, Feld[lx][ly]);
10162       typing = FALSE;
10163       break;
10164
10165     case TEXT_QUERY_TYPING:
10166       break;
10167
10168     default:
10169       break;
10170   }
10171
10172   return typing;
10173 }
10174
10175 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10176                           int element, boolean change_level)
10177 {
10178   int lx = sx + level_xpos;
10179   int ly = sy + level_ypos;
10180
10181   if (element == -1)
10182     DrawMiniElement(sx, sy, Feld[lx][ly]);
10183   else
10184     DrawAreaBorder(sx, sy, sx, sy);
10185 }
10186
10187 static void CheckLevelBorderElement(boolean redraw_playfield)
10188 {
10189   int last_border_element = BorderElement;
10190
10191   SetBorderElement();
10192
10193   if (redraw_playfield && BorderElement != last_border_element)
10194     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10195 }
10196
10197 static void CopyLevelToUndoBuffer(int mode)
10198 {
10199   static boolean accumulated_undo = FALSE;
10200   boolean new_undo_buffer_position = TRUE;
10201   int x, y;
10202
10203   switch (mode)
10204   {
10205     case UNDO_IMMEDIATE:
10206       accumulated_undo = FALSE;
10207       break;
10208
10209     case UNDO_ACCUMULATE:
10210       if (accumulated_undo)
10211         new_undo_buffer_position = FALSE;
10212       accumulated_undo = TRUE;
10213       break;
10214
10215     default:
10216       break;
10217   }
10218
10219   if (new_undo_buffer_position)
10220   {
10221     /* new position in undo buffer ring */
10222     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10223
10224     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10225       undo_buffer_steps++;
10226   }
10227
10228   for (x = 0; x < lev_fieldx; x++)
10229     for (y = 0; y < lev_fieldy; y++)
10230       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10231
10232   /* check if drawing operation forces change of border style */
10233   CheckLevelBorderElement(TRUE);
10234
10235   level.changed = TRUE;
10236 }
10237
10238 static void RandomPlacement(int new_element)
10239 {
10240   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10241   int num_free_positions = 0;
10242   int num_percentage, num_elements;
10243   int x, y;
10244
10245 #if 1
10246   ResetIntelliDraw();
10247 #endif
10248
10249   /* determine number of free positions for randomly placing the new element */
10250   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10251   {
10252     free_position[x][y] =
10253       (random_placement_background_restricted ?
10254        Feld[x][y] == random_placement_background_element :
10255        Feld[x][y] != new_element);
10256
10257     if (free_position[x][y])
10258       num_free_positions++;
10259   }
10260
10261   /* determine number of new elements to place there */
10262   num_percentage = num_free_positions * random_placement_value / 100;
10263   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10264                   num_percentage : random_placement_value);
10265
10266   /* if less free positions than elements to place, fill all these positions */
10267   if (num_free_positions < num_elements)
10268   {
10269     for (x = 0; x < lev_fieldx; x++)
10270       for (y = 0; y < lev_fieldy; y++)
10271         if (free_position[x][y])
10272 #if 1
10273           SetElement(x, y, new_element);
10274 #else
10275           Feld[x][y] = new_element;
10276 #endif
10277   }
10278   else
10279   {
10280     while (num_elements > 0)
10281     {
10282       x = GetSimpleRandom(lev_fieldx);
10283       y = GetSimpleRandom(lev_fieldy);
10284
10285       /* don't place element at the same position twice */
10286       if (free_position[x][y])
10287       {
10288         free_position[x][y] = FALSE;
10289 #if 1
10290         SetElement(x, y, new_element);
10291 #else
10292         Feld[x][y] = new_element;
10293 #endif
10294         num_elements--;
10295       }
10296     }
10297   }
10298
10299   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10300   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10301 }
10302
10303 void WrapLevel(int dx, int dy)
10304 {
10305   int wrap_dx = lev_fieldx - dx;
10306   int wrap_dy = lev_fieldy - dy;
10307   int x, y;
10308
10309   for (x = 0; x < lev_fieldx; x++)
10310     for (y = 0; y < lev_fieldy; y++)
10311       FieldBackup[x][y] = Feld[x][y];
10312
10313   for (x = 0; x < lev_fieldx; x++)
10314     for (y = 0; y < lev_fieldy; y++)
10315       Feld[x][y] =
10316         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10317
10318   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10319   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10320 }
10321
10322 static void HandleDrawingAreas(struct GadgetInfo *gi)
10323 {
10324   static boolean started_inside_drawing_area = FALSE;
10325   int id = gi->custom_id;
10326   boolean button_press_event;
10327   boolean button_release_event;
10328   boolean inside_drawing_area = !gi->event.off_borders;
10329   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10330   int actual_drawing_function;
10331   int button = gi->event.button;
10332   int new_element = BUTTON_ELEMENT(button);
10333   int sx = gi->event.x, sy = gi->event.y;
10334   int min_sx = 0, min_sy = 0;
10335   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10336   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10337   int lx = 0, ly = 0;
10338   int min_lx = 0, min_ly = 0;
10339   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10340   int x, y;
10341
10342   /* handle info callback for each invocation of action callback */
10343   gi->callback_info(gi);
10344
10345   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10346   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10347
10348   /* make sure to stay inside drawing area boundaries */
10349   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10350   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10351
10352   if (draw_level)
10353   {
10354     /* get positions inside level field */
10355     lx = sx + level_xpos;
10356     ly = sy + level_ypos;
10357
10358     if (!IN_LEV_FIELD(lx, ly))
10359       inside_drawing_area = FALSE;
10360
10361     /* make sure to stay inside level field boundaries */
10362     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10363     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10364
10365     /* correct drawing area positions accordingly */
10366     sx = lx - level_xpos;
10367     sy = ly - level_ypos;
10368   }
10369
10370   if (button_press_event)
10371     started_inside_drawing_area = inside_drawing_area;
10372
10373   if (!started_inside_drawing_area)
10374     return;
10375
10376   if (!IS_VALID_BUTTON(button))
10377     return;
10378
10379   if (!button && !button_release_event)
10380     return;
10381
10382   /* automatically switch to 'single item' drawing mode, if needed */
10383   actual_drawing_function =
10384     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10385      drawing_function : GADGET_ID_SINGLE_ITEMS);
10386
10387   /* clicking into drawing area with pressed Control key picks element */
10388   if (GetKeyModState() & KMOD_Control)
10389   {
10390     last_drawing_function = drawing_function;
10391     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10392   }
10393
10394   if (GetKeyModState() & KMOD_Shift)
10395   {
10396     if (button_press_event || button_release_event)
10397       ResetIntelliDraw();
10398   }
10399
10400   switch (actual_drawing_function)
10401   {
10402     case GADGET_ID_SINGLE_ITEMS:
10403       if (draw_level)
10404       {
10405         if (button_release_event)
10406         {
10407           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10408
10409           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10410               !inside_drawing_area)
10411             DeleteBrushFromCursor();
10412
10413 #if 0
10414           ResetIntelliDraw();
10415 #endif
10416         }
10417
10418         if (!button || button_release_event)
10419           break;
10420
10421         if (draw_with_brush)
10422         {
10423 #if 0
10424           if (!button_release_event)
10425 #endif
10426             CopyBrushToLevel(sx, sy, button);
10427         }
10428 #if 1
10429         else
10430 #else
10431         else if (new_element != Feld[lx][ly])
10432 #endif
10433         {
10434           if (new_element == EL_PLAYER_1)
10435           {
10436             /* remove player at old position */
10437             for (y = 0; y < lev_fieldy; y++)
10438             {
10439               for (x = 0; x < lev_fieldx; x++)
10440               {
10441                 if (Feld[x][y] == EL_PLAYER_1)
10442                 {
10443 #if 1
10444                   SetElement(x, y, EL_EMPTY);
10445 #else
10446                   Feld[x][y] = EL_EMPTY;
10447 #if 1
10448                   if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
10449                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10450 #else
10451                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
10452                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
10453                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10454 #endif
10455 #endif
10456                 }
10457               }
10458             }
10459           }
10460
10461 #if 1
10462           SetElementButton(lx, ly, new_element, button);
10463 #else
10464           Feld[lx][ly] = new_element;
10465           DrawMiniElement(sx, sy, new_element);
10466 #endif
10467         }
10468       }
10469       else
10470       {
10471         int type_id = gi->custom_type_id;
10472         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10473
10474         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10475           DrawMiniGraphicExt(drawto,
10476                              gi->x + sx * MINI_TILEX,
10477                              gi->y + sy * MINI_TILEY,
10478                              el2edimg(new_element));
10479         else
10480           DrawGraphicExt(drawto,
10481                          gi->x + sx * TILEX,
10482                          gi->y + sy * TILEY,
10483                          el2img(new_element), 0);
10484
10485         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10486           new_element = GFX_ELEMENT(new_element);
10487
10488         drawingarea_info[type_id].value[pos] = new_element;
10489
10490         CopyElementPropertiesToGame(properties_element);
10491
10492         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10493         {
10494           UpdateCustomElementGraphicGadgets();
10495
10496           FrameCounter = 0;     /* restart animation frame counter */
10497         }
10498       }
10499       break;
10500
10501     case GADGET_ID_CONNECTED_ITEMS:
10502       {
10503         static int last_sx = -1;
10504         static int last_sy = -1;
10505
10506         if (button_release_event)
10507           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10508
10509         if (button)
10510         {
10511           if (!button_press_event)
10512             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10513
10514           last_sx = sx;
10515           last_sy = sy;
10516         }
10517       }
10518       break;
10519
10520     case GADGET_ID_LINE:
10521     case GADGET_ID_ARC:
10522     case GADGET_ID_RECTANGLE:
10523     case GADGET_ID_FILLED_BOX:
10524     case GADGET_ID_GRAB_BRUSH:
10525     case GADGET_ID_TEXT:
10526       {
10527         static int last_sx = -1;
10528         static int last_sy = -1;
10529         static int start_sx = -1;
10530         static int start_sy = -1;
10531         void (*draw_func)(int, int, int, int, int, boolean);
10532
10533         if (drawing_function == GADGET_ID_LINE)
10534           draw_func = DrawLine;
10535         else if (drawing_function == GADGET_ID_ARC)
10536           draw_func = DrawArc;
10537         else if (drawing_function == GADGET_ID_RECTANGLE)
10538           draw_func = DrawBox;
10539         else if (drawing_function == GADGET_ID_FILLED_BOX)
10540           draw_func = DrawFilledBox;
10541         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10542           draw_func = SelectArea;
10543         else /* (drawing_function == GADGET_ID_TEXT) */
10544           draw_func = SetTextCursor;
10545
10546         if (button_press_event)
10547         {
10548           draw_func(sx, sy, sx, sy, new_element, FALSE);
10549           start_sx = last_sx = sx;
10550           start_sy = last_sy = sy;
10551
10552           if (drawing_function == GADGET_ID_TEXT)
10553             DrawLevelText(0, 0, 0, TEXT_END);
10554         }
10555         else if (button_release_event)
10556         {
10557           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10558           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10559           {
10560             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10561             CopyBrushToCursor(sx, sy);
10562             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10563                           MB_LEFTBUTTON);
10564             draw_with_brush = TRUE;
10565           }
10566           else if (drawing_function == GADGET_ID_TEXT)
10567             DrawLevelText(sx, sy, 0, TEXT_INIT);
10568           else
10569             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10570         }
10571         else if (last_sx != sx || last_sy != sy)
10572         {
10573           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10574           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10575           last_sx = sx;
10576           last_sy = sy;
10577         }
10578       }
10579       break;
10580
10581     case GADGET_ID_FLOOD_FILL:
10582       if (button_press_event && Feld[lx][ly] != new_element)
10583       {
10584         FloodFill(lx, ly, new_element);
10585         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10586         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10587       }
10588       break;
10589
10590     case GADGET_ID_PICK_ELEMENT:
10591       if (button_release_event)
10592         ClickOnGadget(level_editor_gadget[last_drawing_function],
10593                       MB_LEFTBUTTON);
10594       else if (draw_level)
10595         PickDrawingElement(button, Feld[lx][ly]);
10596       else
10597       {
10598         int type_id = gi->custom_type_id;
10599         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10600
10601         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10602       }
10603
10604       break;
10605
10606     default:
10607       break;
10608   }
10609 }
10610
10611 static void HandleCounterButtons(struct GadgetInfo *gi)
10612 {
10613   int gadget_id = gi->custom_id;
10614   int counter_id = gi->custom_type_id;
10615   int button = gi->event.button;
10616   int *counter_value = counterbutton_info[counter_id].value;
10617   int step = BUTTON_STEPSIZE(button) *
10618     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10619
10620   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10621   {
10622     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10623     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10624     boolean level_changed = LevelChanged();
10625
10626     if ((level_changed && pressed) || (!level_changed && released))
10627       return;
10628
10629     if (level_changed && !Request("Level has changed ! Discard changes ?",
10630                                   REQ_ASK))
10631     {
10632       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10633         ModifyEditorCounterValue(counter_id, *counter_value);
10634
10635       return;
10636     }
10637   }
10638
10639   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10640     *counter_value = gi->textinput.number_value;
10641   else
10642     ModifyEditorCounterValue(counter_id, *counter_value + step);
10643
10644   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10645   {
10646       LoadLevel(level_nr);
10647       LoadScore(level_nr);
10648
10649       TapeErase();
10650
10651       ResetUndoBuffer();
10652       DrawEditModeWindow();
10653
10654       return;
10655   }
10656
10657   switch (counter_id)
10658   {
10659     case ED_COUNTER_ID_YAMYAM_CONTENT:
10660       DrawYamYamContentAreas();
10661       break;
10662
10663     case ED_COUNTER_ID_BALL_CONTENT:
10664       DrawMagicBallContentAreas();
10665       break;
10666
10667     case ED_COUNTER_ID_ANDROID_CONTENT:
10668       DrawAndroidElementArea(properties_element);
10669       break;
10670
10671     case ED_COUNTER_ID_GROUP_CONTENT:
10672       DrawGroupElementArea(properties_element);
10673       CopyGroupElementPropertiesToGame(properties_element);
10674       break;
10675
10676     case ED_COUNTER_ID_INVENTORY_SIZE:
10677       DrawPlayerInitialInventoryArea(properties_element);
10678       break;
10679
10680     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10681     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10682       DrawEnvelopeTextArea(-1);
10683       break;
10684
10685     case ED_COUNTER_ID_LEVEL_XSIZE:
10686     case ED_COUNTER_ID_LEVEL_YSIZE:
10687       lev_fieldx = level.fieldx;
10688       lev_fieldy = level.fieldy;
10689       break;
10690
10691     default:
10692       break;
10693   }
10694
10695   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10696        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10697       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10698        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10699     CopyElementPropertiesToGame(properties_element);
10700
10701   level.changed = TRUE;
10702 }
10703
10704 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10705 {
10706   int type_id = gi->custom_type_id;
10707
10708   strcpy(textinput_info[type_id].value, gi->textinput.value);
10709
10710   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10711   {
10712     CopyElementPropertiesToGame(properties_element);
10713
10714     ModifyEditorElementList();  /* update changed button info text */
10715   }
10716
10717   level.changed = TRUE;
10718 }
10719
10720 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10721 {
10722   int type_id = gi->custom_type_id;
10723
10724 #if 1
10725   strncpy(textarea_info[type_id].value, gi->textarea.value,
10726           MAX_ENVELOPE_TEXT_LEN);
10727   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10728 #else
10729   /* !!! BUGGY !!! MAX_ENVELOPE_TEXT_LEN != MAX_GADGET_TEXTSIZE !!! */
10730   strcpy(textarea_info[type_id].value, gi->textarea.value);
10731 #endif
10732
10733   level.changed = TRUE;
10734 }
10735
10736 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10737 {
10738   int type_id = gi->custom_type_id;
10739   int value_old = *selectbox_info[type_id].value;
10740   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10741
10742   *selectbox_info[type_id].value = value_new;
10743
10744   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10745   {
10746     element_info[properties_element].current_change_page = gi->selectbox.index;
10747
10748     DrawPropertiesWindow();
10749   }
10750   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10751             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10752            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10753             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10754            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10755   {
10756     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10757     {
10758       /* when changing action type, also check action mode and action arg */
10759       if (value_old != value_new)
10760         setSelectboxSpecialActionVariablesIfNeeded();
10761
10762       DrawPropertiesChange();
10763     }
10764
10765     CopyElementPropertiesToGame(properties_element);
10766
10767     level.changed = TRUE;
10768   }
10769 }
10770
10771 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10772 {
10773   int type_id = gi->custom_type_id;
10774   int i;
10775
10776   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
10777       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
10778   {
10779     edit_mode_levelinfo = gi->custom_type_id;
10780
10781     DrawLevelInfoWindow();
10782   }
10783   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10784            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10785   {
10786     edit_mode_properties = gi->custom_type_id;
10787
10788     DrawPropertiesWindow();
10789   }
10790   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10791   {
10792     char *template_filename = getDefaultLevelFilename(-1);
10793     boolean new_template = !fileExists(template_filename);
10794
10795     /* backup original "level.field" (needed to track playfield changes) */
10796     CopyPlayfield(level.field, FieldBackup);
10797
10798     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
10799     CopyPlayfield(Feld, level.field);
10800
10801     if (new_template ||
10802         Request("Save this template and kill the old ?", REQ_ASK))
10803       SaveLevelTemplate();
10804
10805     if (new_template)
10806       Request("Template saved !", REQ_CONFIRM);
10807
10808     /* restore original "level.field" (needed to track playfield changes) */
10809     CopyPlayfield(FieldBackup, level.field);
10810   }
10811   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10812            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10813   {
10814     struct ElementInfo *ei = &element_info[properties_element];
10815
10816     setElementChangePages(ei, ei->num_change_pages + 1);
10817
10818     /* set new change page to be new current change page */
10819     ei->current_change_page = ei->num_change_pages - 1;
10820     ei->change = &ei->change_page[ei->current_change_page];
10821
10822     setElementChangeInfoToDefaults(ei->change);
10823
10824     DrawPropertiesWindow();
10825
10826     level.changed = TRUE;
10827   }
10828   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10829            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10830   {
10831     struct ElementInfo *ei = &element_info[properties_element];
10832
10833     /* copy all change pages after change page to be deleted */
10834     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
10835       ei->change_page[i] = ei->change_page[i + 1];
10836
10837     setElementChangePages(ei, ei->num_change_pages - 1);
10838
10839     DrawPropertiesWindow();
10840
10841     level.changed = TRUE;
10842   }
10843 }
10844
10845 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
10846 {
10847   int type_id = gi->custom_type_id;
10848
10849   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
10850       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
10851   {
10852     struct ElementInfo *ei = &element_info[properties_element];
10853     int step = BUTTON_STEPSIZE(gi->event.button);
10854
10855     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
10856     ei->current_change_page += step;
10857
10858     if (ei->current_change_page < 0)
10859       ei->current_change_page = 0;
10860     else if (ei->current_change_page >= ei->num_change_pages)
10861       ei->current_change_page = ei->num_change_pages - 1;
10862
10863     DrawPropertiesWindow();
10864   }
10865   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
10866            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10867   {
10868     struct ElementInfo *ei = &element_info[properties_element];
10869     int current_change_page = ei->current_change_page;
10870
10871     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
10872       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
10873         ei->change_page[current_change_page];
10874     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10875     {
10876       ei->change_page[current_change_page] =
10877         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
10878
10879       level.changed = TRUE;
10880     }
10881
10882     DrawPropertiesWindow();
10883   }
10884 }
10885
10886 static void HandleRadiobuttons(struct GadgetInfo *gi)
10887 {
10888   *radiobutton_info[gi->custom_type_id].value =
10889     radiobutton_info[gi->custom_type_id].checked_value;
10890
10891   level.changed = TRUE;
10892 }
10893
10894 static void HandleCheckbuttons(struct GadgetInfo *gi)
10895 {
10896   int type_id = gi->custom_type_id;
10897
10898   *checkbutton_info[type_id].value ^= TRUE;
10899
10900   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
10901       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
10902       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
10903       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
10904          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
10905         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
10906          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
10907        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
10908   {
10909     CopyElementPropertiesToGame(properties_element);
10910   }
10911
10912   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
10913   {
10914     UpdateCustomElementGraphicGadgets();
10915   }
10916   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
10917   {
10918     char *template_filename = getDefaultLevelFilename(-1);
10919
10920     if (level.use_custom_template && !fileExists(template_filename))
10921     {
10922       Request("No level template found !", REQ_CONFIRM);
10923
10924       level.use_custom_template = FALSE;
10925       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
10926
10927       return;
10928     }
10929
10930     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
10931
10932     DrawEditModeWindow();
10933   }
10934
10935   level.changed = TRUE;
10936 }
10937
10938 static void HandleControlButtons(struct GadgetInfo *gi)
10939 {
10940   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
10941   static int last_edit_mode = ED_MODE_DRAWING;
10942   static int last_custom_copy_mode = -1;
10943   int id = gi->custom_id;
10944   int button = gi->event.button;
10945   int step = BUTTON_STEPSIZE(button);
10946   int new_element = BUTTON_ELEMENT(button);
10947   int x, y;
10948
10949   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
10950     DrawLevelText(0, 0, 0, TEXT_END);
10951
10952   if (id < ED_NUM_CTRL1_BUTTONS &&
10953       id != GADGET_ID_SINGLE_ITEMS &&
10954       id != GADGET_ID_PROPERTIES &&
10955       id != GADGET_ID_PICK_ELEMENT &&
10956       edit_mode != ED_MODE_DRAWING &&
10957       drawing_function != GADGET_ID_PICK_ELEMENT &&
10958       !(GetKeyModState() & KMOD_Control))
10959   {
10960     DrawDrawingWindow();
10961     edit_mode = ED_MODE_DRAWING;
10962   }
10963
10964   /* element copy mode active, but no element button pressed => deactivate */
10965   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
10966     last_custom_copy_mode = -1;
10967
10968   switch (id)
10969   {
10970     case GADGET_ID_SCROLL_LEFT:
10971       if (level_xpos >= 0)
10972       {
10973         if (lev_fieldx < ed_fieldx - 2)
10974           break;
10975
10976         level_xpos -= step;
10977         if (level_xpos < -1)
10978           level_xpos = -1;
10979         if (button == 1)
10980           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
10981         else
10982           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10983
10984         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10985                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
10986       }
10987       break;
10988
10989     case GADGET_ID_SCROLL_RIGHT:
10990       if (level_xpos <= lev_fieldx - ed_fieldx)
10991       {
10992         if (lev_fieldx < ed_fieldx - 2)
10993           break;
10994
10995         level_xpos += step;
10996         if (level_xpos > lev_fieldx - ed_fieldx + 1)
10997           level_xpos = lev_fieldx - ed_fieldx + 1;
10998         if (button == 1)
10999           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11000         else
11001           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11002
11003         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11004                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11005       }
11006       break;
11007
11008     case GADGET_ID_SCROLL_UP:
11009       if (level_ypos >= 0)
11010       {
11011         if (lev_fieldy < ed_fieldy - 2)
11012           break;
11013
11014         level_ypos -= step;
11015         if (level_ypos < -1)
11016           level_ypos = -1;
11017         if (button == 1)
11018           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11019         else
11020           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11021
11022         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11023                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11024       }
11025       break;
11026
11027     case GADGET_ID_SCROLL_DOWN:
11028       if (level_ypos <= lev_fieldy - ed_fieldy)
11029       {
11030         if (lev_fieldy < ed_fieldy - 2)
11031           break;
11032
11033         level_ypos += step;
11034         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11035           level_ypos = lev_fieldy - ed_fieldy + 1;
11036         if (button == 1)
11037           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11038         else
11039           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11040
11041         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11042                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11043       }
11044       break;
11045
11046     case GADGET_ID_SCROLL_HORIZONTAL:
11047       level_xpos = gi->event.item_position - 1;
11048       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11049       break;
11050
11051     case GADGET_ID_SCROLL_VERTICAL:
11052       level_ypos = gi->event.item_position - 1;
11053       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11054       break;
11055
11056     case GADGET_ID_SCROLL_LIST_UP:
11057     case GADGET_ID_SCROLL_LIST_DOWN:
11058     case GADGET_ID_SCROLL_LIST_VERTICAL:
11059       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11060         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11061       else
11062       {
11063         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11064         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11065
11066         if (element_shift < 0)
11067           element_shift = 0;
11068         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11069           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11070
11071         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11072                      GDI_SCROLLBAR_ITEM_POSITION,
11073                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11074       }
11075
11076       ModifyEditorElementList();
11077
11078       break;
11079
11080     case GADGET_ID_WRAP_LEFT:
11081       WrapLevel(-step, 0);
11082       break;
11083
11084     case GADGET_ID_WRAP_RIGHT:
11085       WrapLevel(step, 0);
11086       break;
11087
11088     case GADGET_ID_WRAP_UP:
11089       WrapLevel(0, -step);
11090       break;
11091
11092     case GADGET_ID_WRAP_DOWN:
11093       WrapLevel(0, step);
11094       break;
11095
11096     case GADGET_ID_SINGLE_ITEMS:
11097     case GADGET_ID_CONNECTED_ITEMS:
11098     case GADGET_ID_LINE:
11099     case GADGET_ID_ARC:
11100     case GADGET_ID_TEXT:
11101     case GADGET_ID_RECTANGLE:
11102     case GADGET_ID_FILLED_BOX:
11103     case GADGET_ID_FLOOD_FILL:
11104     case GADGET_ID_GRAB_BRUSH:
11105     case GADGET_ID_PICK_ELEMENT:
11106       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11107         last_drawing_function = drawing_function;
11108       drawing_function = id;
11109       draw_with_brush = FALSE;
11110       break;
11111
11112     case GADGET_ID_RANDOM_PLACEMENT:
11113       RandomPlacement(new_element);
11114       break;
11115
11116     case GADGET_ID_PROPERTIES:
11117       if (edit_mode != ED_MODE_PROPERTIES)
11118       {
11119         properties_element = new_element;
11120         DrawPropertiesWindow();
11121         edit_mode = ED_MODE_PROPERTIES;
11122
11123         last_level_drawing_function = drawing_function;
11124         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11125                       MB_LEFTBUTTON);
11126       }
11127       else
11128       {
11129         DrawDrawingWindow();
11130         edit_mode = ED_MODE_DRAWING;
11131
11132         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11133                       MB_LEFTBUTTON);
11134       }
11135       break;
11136
11137     case GADGET_ID_CUSTOM_COPY_FROM:
11138     case GADGET_ID_CUSTOM_COPY_TO:
11139     case GADGET_ID_CUSTOM_EXCHANGE:
11140       last_custom_copy_mode = id;
11141       last_drawing_function = drawing_function;
11142       break;
11143
11144     case GADGET_ID_CUSTOM_COPY:
11145       CopyCustomElement(properties_element, -1, id);
11146       break;
11147
11148     case GADGET_ID_CUSTOM_PASTE:
11149       CopyCustomElement(-1, properties_element, id);
11150       break;
11151
11152     case GADGET_ID_UNDO:
11153       if (undo_buffer_steps == 0)
11154       {
11155         Request("Undo buffer empty !", REQ_CONFIRM);
11156         break;
11157       }
11158
11159       if (edit_mode != ED_MODE_DRAWING)
11160       {
11161         DrawDrawingWindow();
11162         edit_mode = ED_MODE_DRAWING;
11163       }
11164
11165       undo_buffer_position =
11166         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11167       undo_buffer_steps--;
11168
11169       for (x = 0; x < lev_fieldx; x++)
11170         for (y = 0; y < lev_fieldy; y++)
11171           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11172
11173       /* check if undo operation forces change of border style */
11174       CheckLevelBorderElement(FALSE);
11175
11176       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11177
11178       break;
11179
11180     case GADGET_ID_INFO:
11181       if (edit_mode != ED_MODE_INFO)
11182       {
11183         last_edit_mode = edit_mode;
11184         edit_mode = ED_MODE_INFO;
11185
11186         DrawLevelInfoWindow();
11187       }
11188       else
11189       {
11190         edit_mode = last_edit_mode;
11191
11192         DrawEditModeWindow();
11193       }
11194       break;
11195
11196     case GADGET_ID_CLEAR:
11197       if (edit_mode != ED_MODE_DRAWING)
11198       {
11199         DrawDrawingWindow();
11200         edit_mode = ED_MODE_DRAWING;
11201       }
11202
11203       for (x = 0; x < MAX_LEV_FIELDX; x++)
11204         for (y = 0; y < MAX_LEV_FIELDY; y++)
11205           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11206
11207       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11208
11209       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11210       break;
11211
11212     case GADGET_ID_SAVE:
11213       if (leveldir_current->readonly)
11214       {
11215         Request("This level is read only !", REQ_CONFIRM);
11216         break;
11217       }
11218
11219       if (!LevelContainsPlayer())
11220         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
11221       else
11222       {
11223         char *level_filename = getDefaultLevelFilename(level_nr);
11224         boolean new_level = !fileExists(level_filename);
11225
11226         if (new_level ||
11227             Request("Save this level and kill the old ?", REQ_ASK))
11228         {
11229           CopyPlayfield(Feld, level.field);
11230
11231           SaveLevel(level_nr);
11232         }
11233
11234         if (new_level)
11235           Request("Level saved !", REQ_CONFIRM);
11236
11237         level.changed = FALSE;
11238       }
11239       break;
11240
11241     case GADGET_ID_TEST:
11242       if (!LevelContainsPlayer())
11243         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
11244       else
11245       {
11246         if (LevelChanged())
11247           level.game_version = GAME_VERSION_ACTUAL;
11248
11249         CopyPlayfield(level.field, FieldBackup);
11250         CopyPlayfield(Feld, level.field);
11251
11252         CopyNativeLevel_RND_to_Native(&level);
11253
11254         UnmapLevelEditorGadgets();
11255         UndrawSpecialEditorDoor();
11256
11257         CloseDoor(DOOR_CLOSE_ALL);
11258
11259         BackToFront();          /* force redraw of undrawn special door */
11260
11261         DrawCompleteVideoDisplay();
11262
11263         level_editor_test_game = TRUE;
11264
11265         StartGameActions(FALSE, setup.autorecord, level.random_seed);
11266       }
11267       break;
11268
11269     case GADGET_ID_EXIT:
11270       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11271       break;
11272
11273     default:
11274       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11275           id <= GADGET_ID_ELEMENTLIST_LAST)
11276       {
11277         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11278         int new_element = editor_elements[element_position + element_shift];
11279
11280         if (IS_EDITOR_CASCADE(new_element))
11281         {
11282           int i;
11283
11284           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11285           {
11286             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11287             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11288
11289             if (*cascade_element == new_element)
11290             {
11291               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11292               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11293
11294               /* update element selection list */
11295               ReinitializeElementList();
11296               ModifyEditorElementList();
11297
11298               /* update cascading gadget info text */
11299               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11300
11301               /* save current editor cascading state */
11302               SaveSetup_EditorCascade();
11303
11304               break;
11305             }
11306           }
11307
11308           break;
11309         }
11310
11311         if (last_custom_copy_mode != -1)
11312         {
11313           if (CopyCustomElement(properties_element, new_element,
11314                                 last_custom_copy_mode))
11315           {
11316             ClickOnGadget(level_editor_gadget[last_drawing_function],
11317                           MB_LEFTBUTTON);
11318
11319             last_custom_copy_mode = -1;
11320           }
11321
11322           break;
11323         }
11324
11325         PickDrawingElement(button, new_element);
11326
11327         if (!stick_element_properties_window &&
11328             drawing_function != GADGET_ID_PICK_ELEMENT &&
11329             !(GetKeyModState() & KMOD_Control))
11330         {
11331           properties_element = new_element;
11332           if (edit_mode == ED_MODE_PROPERTIES)
11333             DrawPropertiesWindow();
11334         }
11335
11336         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11337           ClickOnGadget(level_editor_gadget[last_drawing_function],
11338                         MB_LEFTBUTTON);
11339       }
11340 #ifdef DEBUG
11341       else if (gi->event.type == GD_EVENT_PRESSED)
11342         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11343       else if (gi->event.type == GD_EVENT_RELEASED)
11344         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11345       else if (gi->event.type == GD_EVENT_MOVING)
11346         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11347       else
11348         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11349 #endif
11350       break;
11351   }
11352 }
11353
11354 void HandleLevelEditorKeyInput(Key key)
11355 {
11356   char letter = getCharFromKey(key);
11357   int button = MB_LEFTBUTTON;
11358
11359   if (drawing_function == GADGET_ID_TEXT &&
11360       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11361   {
11362     if (letter)
11363       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11364     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11365       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11366     else if (key == KSYM_Return)
11367       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11368     else if (key == KSYM_Escape)
11369       DrawLevelText(0, 0, 0, TEXT_END);
11370   }
11371   else if (button_status == MB_RELEASED)
11372   {
11373     int id = GADGET_ID_NONE;
11374     int new_element_shift = element_shift;
11375     int i;
11376
11377     switch (key)
11378     {
11379       case KSYM_Left:
11380         id = GADGET_ID_SCROLL_LEFT;
11381         break;
11382       case KSYM_Right:
11383         id = GADGET_ID_SCROLL_RIGHT;
11384         break;
11385       case KSYM_Up:
11386         id = GADGET_ID_SCROLL_UP;
11387         break;
11388       case KSYM_Down:
11389         id = GADGET_ID_SCROLL_DOWN;
11390         break;
11391       case KSYM_Page_Up:
11392         id = GADGET_ID_SCROLL_LIST_UP;
11393         button = MB_RIGHTBUTTON;
11394         break;
11395       case KSYM_Page_Down:
11396         id = GADGET_ID_SCROLL_LIST_DOWN;
11397         button = MB_RIGHTBUTTON;
11398         break;
11399
11400       case KSYM_Home:
11401       case KSYM_End:
11402         element_shift = (key == KSYM_Home ? 0 :
11403                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11404
11405         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11406                      GDI_SCROLLBAR_ITEM_POSITION,
11407                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11408
11409         ModifyEditorElementList();
11410
11411         break;
11412
11413       case KSYM_Insert:
11414       case KSYM_Delete:
11415
11416         /* this is needed to prevent interference with running "True X-Mouse" */
11417         if (GetKeyModStateFromEvents() & KMOD_Control)
11418           break;
11419
11420         /* check for last or next editor cascade block in element list */
11421         for (i = 0; i < num_editor_elements; i++)
11422         {
11423           if ((key == KSYM_Insert && i == element_shift) ||
11424               (key == KSYM_Delete && new_element_shift > element_shift))
11425             break;
11426
11427           /* jump to next cascade block (or to start of element list) */
11428           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11429             new_element_shift = i;
11430         }
11431
11432         if (i < num_editor_elements)
11433           element_shift = new_element_shift;
11434
11435         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11436           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11437
11438         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11439                      GDI_SCROLLBAR_ITEM_POSITION,
11440                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11441
11442         ModifyEditorElementList();
11443
11444         break;
11445
11446       case KSYM_Escape:
11447         if (edit_mode == ED_MODE_DRAWING)
11448         {
11449           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11450         }
11451         else if (edit_mode == ED_MODE_INFO)
11452         {
11453           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11454         }
11455         else if (edit_mode == ED_MODE_PROPERTIES)
11456         {
11457           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11458         }
11459         else            /* should never happen */
11460         {
11461           DrawDrawingWindow();
11462           edit_mode = ED_MODE_DRAWING;
11463         }
11464
11465         break;
11466
11467       default:
11468         break;
11469     }
11470
11471     if (id != GADGET_ID_NONE)
11472       ClickOnGadget(level_editor_gadget[id], button);
11473     else if (letter == '.')
11474       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11475     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
11476       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11477     else
11478       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11479         if (letter && letter == control_info[i].shortcut)
11480           if (!anyTextGadgetActive())
11481             ClickOnGadget(level_editor_gadget[i], button);
11482   }
11483 }
11484
11485 void HandleLevelEditorIdle()
11486 {
11487   static unsigned long action_delay = 0;
11488   unsigned long action_delay_value = GameFrameDelay;
11489   int xpos = 1, ypos = 2;
11490   int i;
11491
11492   if (edit_mode != ED_MODE_PROPERTIES)
11493     return;
11494
11495   if (!DelayReached(&action_delay, action_delay_value))
11496     return;
11497
11498   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11499   {
11500     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11501
11502     if (gi->mapped && gi->active && gi->selectbox.open)
11503       return;
11504   }
11505
11506   DrawEditorElementAnimation(SX + xpos * TILEX,
11507                              SY + ypos * TILEY + MINI_TILEY / 2);
11508
11509   MarkTileDirty(xpos, ypos);
11510   MarkTileDirty(xpos, ypos + 1);
11511
11512   FrameCounter++;       /* increase animation frame counter */
11513 }
11514
11515 void ClearEditorGadgetInfoText()
11516 {
11517   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11518 }
11519
11520 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11521 {
11522   char infotext[MAX_OUTPUT_LINESIZE + 1];
11523   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11524   int max_infotext_len = getMaxInfoTextLength();
11525
11526   if (gi == NULL || gi->info_text == NULL)
11527     return;
11528
11529   strncpy(infotext, gi->info_text, max_infotext_len);
11530   infotext[max_infotext_len] = '\0';
11531
11532   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11533   {
11534     int key = control_info[gi->custom_id].shortcut;
11535
11536     if (key)
11537     {
11538       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11539         sprintf(shortcut, " ('.' or '%c')", key);
11540       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11541         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11542       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11543         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11544       else                                              /* normal case */
11545         sprintf(shortcut, " ('%s%c')",
11546                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11547
11548       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11549         strcat(infotext, shortcut);
11550     }
11551   }
11552
11553   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11554 }
11555
11556 void HandleEditorGadgetInfoText(void *ptr)
11557 {
11558   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11559
11560   if (game_status != GAME_MODE_EDITOR)
11561     return;
11562
11563   ClearEditorGadgetInfoText();
11564
11565   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11566     return;
11567
11568   /* misuse this function to delete brush cursor, if needed */
11569   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11570     DeleteBrushFromCursor();
11571
11572   PrintEditorGadgetInfoText(gi);
11573 }
11574
11575 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11576 {
11577   static int start_lx, start_ly;
11578   int id = gi->custom_id;
11579   int type_id = gi->custom_type_id;
11580   int sx = gi->event.x;
11581   int sy = gi->event.y;
11582   int lx = sx + level_xpos;
11583   int ly = sy + level_ypos;
11584   int min_sx = 0, min_sy = 0;
11585   int max_sx = gi->drawing.area_xsize - 1;
11586   int max_sy = gi->drawing.area_ysize - 1;
11587   int actual_drawing_function = drawing_function;
11588   int max_infotext_len = getMaxInfoTextLength();
11589   char infotext[MAX_OUTPUT_LINESIZE + 1];
11590   char *text;
11591
11592   infotext[0] = '\0';           /* start with empty info text */
11593
11594   /* pressed Control key: simulate picking element */
11595   if (GetKeyModState() & KMOD_Control)
11596     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11597
11598   ClearEditorGadgetInfoText();
11599
11600   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11601     return;
11602
11603   /* make sure to stay inside drawing area boundaries */
11604   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11605   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11606
11607   if (id == GADGET_ID_DRAWING_LEVEL)
11608   {
11609     if (button_status)
11610     {
11611       int min_lx = 0, min_ly = 0;
11612       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11613
11614       /* get positions inside level field */
11615       lx = sx + level_xpos;
11616       ly = sy + level_ypos;
11617
11618       /* make sure to stay inside level field boundaries */
11619       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11620       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11621
11622       /* correct drawing area positions accordingly */
11623       sx = lx - level_xpos;
11624       sy = ly - level_ypos;
11625     }
11626
11627     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11628     {
11629       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11630       {
11631         if (gi->event.type == GD_EVENT_PRESSED)
11632         {
11633           start_lx = lx;
11634           start_ly = ly;
11635         }
11636
11637         switch (actual_drawing_function)
11638         {
11639           case GADGET_ID_SINGLE_ITEMS:
11640             text = "Drawing single items";
11641             break;
11642           case GADGET_ID_CONNECTED_ITEMS:
11643             text = "Drawing connected items";
11644             break;
11645           case GADGET_ID_LINE:
11646             text = "Drawing line";
11647             break;
11648           case GADGET_ID_ARC:
11649             text = "Drawing arc";
11650             break;
11651           case GADGET_ID_TEXT:
11652             text = "Setting text cursor";
11653             break;
11654           case GADGET_ID_RECTANGLE:
11655             text = "Drawing rectangle";
11656             break;
11657           case GADGET_ID_FILLED_BOX:
11658             text = "Drawing filled box";
11659             break;
11660           case GADGET_ID_FLOOD_FILL:
11661             text = "Flood fill";
11662             break;
11663           case GADGET_ID_GRAB_BRUSH:
11664             text = "Grabbing brush";
11665             break;
11666           case GADGET_ID_PICK_ELEMENT:
11667             text = "Picking element";
11668             break;
11669
11670           default:
11671             text = "Drawing position";
11672             break;
11673         }
11674
11675         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11676           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11677         else
11678           sprintf(infotext, "%s: %d, %d", text,
11679                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11680       }
11681       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11682         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11683       else
11684         sprintf(infotext, "Level position: %d, %d", lx, ly);
11685     }
11686
11687     /* misuse this function to draw brush cursor, if needed */
11688     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11689     {
11690       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11691         CopyBrushToCursor(sx, sy);
11692       else
11693         DeleteBrushFromCursor();
11694     }
11695   }
11696   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11697   {
11698     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11699     int element = drawingarea_info[type_id].value[pos];
11700
11701     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11702   }
11703   else
11704   {
11705     if (id == GADGET_ID_CUSTOM_CONTENT)
11706       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11707     else if (id == GADGET_ID_GROUP_CONTENT)
11708       sprintf(infotext, "group element position: %d", sx + 1);
11709     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11710              id <= GADGET_ID_YAMYAM_CONTENT_7)
11711       sprintf(infotext, "content area %d position: %d, %d",
11712               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11713     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11714              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11715       sprintf(infotext, "content area %d position: %d, %d",
11716               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11717     else if (id == GADGET_ID_ANDROID_CONTENT)
11718       sprintf(infotext, "android element position: %d", sx + 1);
11719     else if (drawingarea_info[type_id].infotext != NULL)
11720       strcpy(infotext, drawingarea_info[type_id].infotext);
11721   }
11722
11723   infotext[max_infotext_len] = '\0';
11724
11725   if (strlen(infotext) > 0)
11726     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11727 }
11728
11729 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11730                             boolean quick_quit)
11731 {
11732   if (!ask_if_level_has_changed ||
11733       !LevelChanged() ||
11734       Request("Level has changed ! Exit without saving ?",
11735               REQ_ASK | REQ_STAY_OPEN))
11736   {
11737     CloseDoor(DOOR_CLOSE_1);
11738     SetDoorState(DOOR_CLOSE_2);
11739
11740 #if 1
11741     if (quick_quit)
11742       FadeSkipNextFadeIn();
11743 #else
11744     if (quick_quit)
11745       fading = fading_none;
11746 #endif
11747
11748     game_status = GAME_MODE_MAIN;
11749 #if 1
11750     DrawAndFadeInMainMenu(REDRAW_FIELD);
11751 #else
11752     DrawMainMenu();
11753 #endif
11754   }
11755   else
11756   {
11757     CloseDoor(DOOR_CLOSE_1);
11758     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11759   }
11760 }