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        (5 * 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
 125 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_LEVEL_SETTINGS_XSTART +     \
 126                                          (n) * ED_SETTINGS_XOFFSET)
 127 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_LEVEL_SETTINGS_YSTART +     \
 128                                          (n) * ED_SETTINGS_YOFFSET)
 129
 130 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_ELEMENT_SETTINGS_XSTART +   \
 131                                          (n) * ED_SETTINGS_XOFFSET)
 132 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_ELEMENT_SETTINGS_YSTART +   \
 133                                          (n) * ED_SETTINGS_YOFFSET)
 134
 135 #define ED_SETTINGS1_YPOS               MINI_TILEY
 136 #define ED_SETTINGS2_XPOS               MINI_TILEX
 137 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 138
 139 /* values for counter gadgets */
 140 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 141 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 142 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART +            \
 143                                          (n) * ED_COUNTER_YDISTANCE)
 144 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART +            \
 145                                          (n) * ED_COUNTER_YDISTANCE - 2)
 146
 147 /* values for element content drawing areas */
 148 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 149 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 150                                          ED_GADGET_DISTANCE)
 151
 152 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 153 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 154                                          ED_GADGET_DISTANCE - MINI_TILEY)
 155
 156 /* yamyam content */
 157 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 158                                          5 * ((n) % 4) * MINI_TILEX)
 159 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (11 * ED_SETTINGS_YOFFSET +     \
 160                                          6 * ((n) / 4) * MINI_TILEY)
 161
 162 /* magic ball content */
 163 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS(n) (2 * MINI_TILEX +            \
 164                                             5 * ((n) % 4) * MINI_TILEX)
 165 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS(n) (12 * ED_SETTINGS_YOFFSET +  \
 166                                             6 * ((n) / 4) * MINI_TILEY)
 167
 168 /* values for scrolling gadgets for drawing area */
 169 #define ED_SCROLLBUTTON_XPOS            24
 170 #define ED_SCROLLBUTTON_YPOS            0
 171 #define ED_SCROLLBAR_XPOS               24
 172 #define ED_SCROLLBAR_YPOS               64
 173
 174 #define ED_SCROLLBUTTON_XSIZE           16
 175 #define ED_SCROLLBUTTON_YSIZE           16
 176
 177 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 178 #define ED_SCROLL_UP_YPOS               (0)
 179 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 180 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 181 #define ED_SCROLL_LEFT_XPOS             (0)
 182 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 183 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 184 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 185 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 186                                          ED_SCROLLBUTTON_XSIZE)
 187 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 188 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 189 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 190 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 191 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 192                                          ED_SCROLLBUTTON_YSIZE)
 193 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 194 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 195
 196 /* values for scrolling gadgets for element list */
 197 #define ED_SCROLLBUTTON2_XPOS           50
 198 #define ED_SCROLLBUTTON2_YPOS           0
 199 #define ED_SCROLLBAR2_XPOS              50
 200 #define ED_SCROLLBAR2_YPOS              20
 201
 202 #define ED_SCROLLBUTTON2_XSIZE          10
 203 #define ED_SCROLLBUTTON2_YSIZE          10
 204
 205 #define ED_SCROLL2_UP_XPOS              85
 206 #define ED_SCROLL2_UP_YPOS              30
 207 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 208 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 209                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 210                                          ED_ELEMENTLIST_YSIZE -         \
 211                                          ED_SCROLLBUTTON2_YSIZE)
 212 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 213 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 214                                          ED_SCROLLBUTTON2_YSIZE)
 215 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 216 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 217                                          ED_ELEMENTLIST_YSIZE -         \
 218                                          2 * ED_SCROLLBUTTON2_YSIZE)
 219
 220 /* values for checkbutton gadgets */
 221 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 222 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 223 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 224 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 225 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 226 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 227 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 228
 229 /* values for some special graphic buttons */
 230 #define ED_COPY_CHANGE_PAGE_XPOS        25
 231 #define ED_COPY_CHANGE_PAGE_YPOS        50
 232 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 233 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 234
 235 /* some values for text input, selectbox and counter gadgets */
 236 #define ED_BUTTON_COUNT_YPOS            60
 237 #define ED_BUTTON_COUNT_XSIZE           20
 238 #define ED_BUTTON_COUNT_YSIZE           20
 239 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 240 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 241 #define ED_WIN_COUNT_XSIZE              52
 242 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 243 #define ED_WIN_COUNT2_XPOS              27
 244 #define ED_WIN_COUNT2_YPOS              3
 245 #define ED_WIN_COUNT2_XSIZE             46
 246 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 247
 248 #define ED_BUTTON_MINUS_XPOS            2
 249 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 250 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 251 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 252 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 253                                          ED_WIN_COUNT_XSIZE + 2)
 254 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 255 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 256 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 257
 258 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 259 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 260                                          2 + ED_WIN_COUNT_YSIZE)
 261 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 262 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 263
 264 #define ED_SELECTBOX_BUTTON_XSIZE       14
 265
 266 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 267 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 268                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 269 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 270
 271 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 272 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 273                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 274 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 275                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 276
 277 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 278 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 279
 280 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 281 #define INFOTEXT_XPOS                   SX
 282 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 283 #define INFOTEXT_XSIZE                  SXSIZE
 284 #define INFOTEXT_YSIZE                  MINI_TILEX
 285
 286
 287 /*
 288   -----------------------------------------------------------------------------
 289   editor gadget definitions
 290   -----------------------------------------------------------------------------
 291 */
 292
 293 /* drawing toolbox buttons */
 294 #define GADGET_ID_NONE                  -1
 295 #define GADGET_ID_TOOLBOX_FIRST         0
 296
 297 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 298 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 299 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 300 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 301 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 302 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 303 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 304 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 305 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 306 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 307 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 308 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 309 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 310 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 311 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 312 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 313
 314 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 315 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 316 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 317 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 318 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 319 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 320
 321 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 322 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 323 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 324 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 325 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 326
 327 /* counter gadget identifiers */
 328 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 27)
 329
 330 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 331 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 332 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 333 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 334 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 335 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 336 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 337 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 338 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 339 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 340 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 341 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 342 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 343 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 344 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 345 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 346 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 347 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 348 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 349 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 350 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 351 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 21)
 352 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 22)
 353 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 23)
 354 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 355 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 356 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 26)
 357 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 358 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 359 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 29)
 360 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 361 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 362 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 32)
 363 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 364 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 365 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 35)
 366 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 36)
 367 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 37)
 368 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 38)
 369 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 39)
 370 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 40)
 371 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 41)
 372 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 373 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 374 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 44)
 375 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 376 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 377 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 378 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 379 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 380 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 381 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 51)
 382 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 52)
 383 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 53)
 384 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 54)
 385 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 55)
 386 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 56)
 387 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 57)
 388 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 58)
 389 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 59)
 390 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 391 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 392 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 62)
 393 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 63)
 394 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 64)
 395 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 65)
 396 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 397 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 398 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 68)
 399 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 400 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 401 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 71)
 402 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 403 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 404 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 74)
 405 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 406 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 407 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 77)
 408 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 409 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 410 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 80)
 411 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 81)
 412 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 82)
 413 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 83)
 414 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 84)
 415 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 85)
 416 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 86)
 417 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 87)
 418 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 88)
 419 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 89)
 420 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 421 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 422 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 92)
 423 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 93)
 424 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 94)
 425 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 95)
 426 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 96)
 427 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 97)
 428 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 98)
 429
 430 /* drawing area identifiers */
 431 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 99)
 432
 433 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 434 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 435 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 436 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 437 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 438 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 439 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 440 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 441 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 442 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 443 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 444 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 445 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 446 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 447 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 448 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 449 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 450 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 451 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 452 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 453 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 454 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 455 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 456 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 457 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 458 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 459 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 460 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 461 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 462 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 463 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 464 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 465 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 466
 467 /* text input identifiers */
 468 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 469
 470 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 471 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 472 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 473
 474 /* text area identifiers */
 475 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 476
 477 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 478
 479 /* selectbox identifiers */
 480 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 481
 482 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 483 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 484 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 485 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 486 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 487 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 488 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 489 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 490 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 491 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 492 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 493 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 494 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 495 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 496 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 497 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 498 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 499 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 500 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 501 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 502 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 503 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 504 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 505 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 506 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 507 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 508 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 509 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 510 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 511
 512 /* textbutton identifiers */
 513 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 514
 515 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 516 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 517 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 518 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 3)
 519 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 520 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 5)
 521 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 6)
 522 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 7)
 523
 524 /* graphicbutton identifiers */
 525 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 8)
 526
 527 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 528 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 529 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 530 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 531
 532 /* gadgets for scrolling of drawing area */
 533 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 534
 535 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 536 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 537 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 538 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 539 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 540 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 541
 542 /* gadgets for scrolling element list */
 543 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 544
 545 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 546 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 547 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 548
 549 /* checkbuttons/radiobuttons for level/element properties */
 550 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 551
 552 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 553 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 554 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 555 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 556 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 557 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 5)
 558 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 559 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 7)
 560 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 8)
 561 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 562 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 10)
 563 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 11)
 564 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 12)
 565 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 566 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 14)
 567 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 15)
 568 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 16)
 569 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 17)
 570 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 18)
 571 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 572 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 20)
 573 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 21)
 574 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 22)
 575 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 23)
 576 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 577 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 25)
 578 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 579 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 27)
 580 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 28)
 581 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 29)
 582 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 30)
 583 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 31)
 584 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 32)
 585 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 586 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 34)
 587 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 35)
 588 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 36)
 589 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 590 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 38)
 591 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 39)
 592 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 40)
 593 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 41)
 594 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 42)
 595 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 43)
 596 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 44)
 597 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 45)
 598 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 46)
 599 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 47)
 600 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 601 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 49)
 602 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 50)
 603 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 51)
 604
 605 /* gadgets for buttons in element list */
 606 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 52)
 607 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 608                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 609
 610 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 611
 612 /* radio button numbers */
 613 #define RADIO_NR_NONE                   0
 614 #define RADIO_NR_DRAWING_TOOLBOX        1
 615 #define RADIO_NR_RANDOM_ELEMENTS        2
 616
 617 /* values for counter gadgets */
 618 #define ED_COUNTER_ID_SELECT_LEVEL      0
 619 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 620 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 621 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 622 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 623 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 624 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 625 #define ED_COUNTER_ID_ELEMENT_VALUE1    7
 626 #define ED_COUNTER_ID_ELEMENT_VALUE2    8
 627 #define ED_COUNTER_ID_ELEMENT_VALUE3    9
 628 #define ED_COUNTER_ID_ELEMENT_VALUE4    10
 629 #define ED_COUNTER_ID_YAMYAM_CONTENT    11
 630 #define ED_COUNTER_ID_BALL_CONTENT      12
 631 #define ED_COUNTER_ID_ANDROID_CONTENT   13
 632 #define ED_COUNTER_ID_ENVELOPE_XSIZE    14
 633 #define ED_COUNTER_ID_ENVELOPE_YSIZE    15
 634 #define ED_COUNTER_ID_INVENTORY_SIZE    16
 635 #define ED_COUNTER_ID_CUSTOM_SCORE      17
 636 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   18
 637 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  19
 638 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  20
 639 #define ED_COUNTER_ID_PUSH_DELAY_FIX    21
 640 #define ED_COUNTER_ID_PUSH_DELAY_RND    22
 641 #define ED_COUNTER_ID_DROP_DELAY_FIX    23
 642 #define ED_COUNTER_ID_DROP_DELAY_RND    24
 643 #define ED_COUNTER_ID_MOVE_DELAY_FIX    25
 644 #define ED_COUNTER_ID_MOVE_DELAY_RND    26
 645 #define ED_COUNTER_ID_EXPLOSION_DELAY   27
 646 #define ED_COUNTER_ID_IGNITION_DELAY    28
 647 #define ED_COUNTER_ID_GROUP_CONTENT     29
 648 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  30
 649 #define ED_COUNTER_ID_CHANGE_DELAY_RND  31
 650 #define ED_COUNTER_ID_CHANGE_CONT_RND   32
 651
 652 #define ED_NUM_COUNTERBUTTONS           33
 653
 654 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 655 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 656
 657 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 658 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 659 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 660 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 661 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 662 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 663
 664 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 665 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 666
 667 /* values for scrollbutton gadgets */
 668 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 669 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 670 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 671 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 672 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 673 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 674
 675 #define ED_NUM_SCROLLBUTTONS            6
 676
 677 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 678 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 679
 680 /* values for scrollbar gadgets */
 681 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 682 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 683 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 684
 685 #define ED_NUM_SCROLLBARS               3
 686
 687 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 688 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 689
 690 /* values for text input gadgets */
 691 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 692 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 693 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 694
 695 #define ED_NUM_TEXTINPUT                3
 696
 697 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 698 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 699
 700 /* values for text area gadgets */
 701 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 702
 703 #define ED_NUM_TEXTAREAS                        1
 704
 705 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 706 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 707
 708 /* values for selectbox gadgets */
 709 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 710 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 711 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 712 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 713 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 714 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 715 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 716 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 717 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 718 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 719 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 720 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 721 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 722 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 723 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 724 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 725 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 726 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 727 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 728 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 729 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 730 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 731 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 732 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 733 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 734 #define ED_SELECTBOX_ID_ACTION_MODE             25
 735 #define ED_SELECTBOX_ID_ACTION_ARG              26
 736 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 737 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 738
 739 #define ED_NUM_SELECTBOX                        29
 740
 741 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 742 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 743
 744 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 745 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 746 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 747 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 748 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 749 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 750
 751 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 752 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 753
 754 /* values for textbutton gadgets */
 755 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 756 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 757 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    2
 758 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    3
 759 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      4
 760 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       5
 761 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        6
 762 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        7
 763
 764 #define ED_NUM_TEXTBUTTONS                      8
 765
 766 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 767 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 768
 769 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 770 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 771
 772 /* values for graphicbutton gadgets */
 773 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 774 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 775 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 776 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 777
 778 #define ED_NUM_GRAPHICBUTTONS                   4
 779
 780 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 781 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 782
 783 /* values for checkbutton gadgets */
 784 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 785 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 786 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 787 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        3
 788 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      4
 789 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   5
 790 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    6
 791 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    7
 792 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   8
 793 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      9
 794 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      10
 795 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   11
 796 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    12
 797 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    13
 798 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     14
 799 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   15
 800 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 16
 801 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       17
 802 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 18
 803 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  19
 804 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    20
 805 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    21
 806 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     22
 807 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     23
 808 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     24
 809 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    25
 810 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   26
 811 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     27
 812 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 28
 813 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 29
 814 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 30
 815 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 31
 816 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       32
 817 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       33
 818 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      34
 819 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       35
 820 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         36
 821 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    37
 822 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   38
 823 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  39
 824 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 40
 825 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     41
 826 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          42
 827 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  43
 828 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   44
 829 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  45
 830 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    46
 831 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  47
 832 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     48
 833 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     49
 834
 835 #define ED_NUM_CHECKBUTTONS                     50
 836
 837 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 838 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 839
 840 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 841 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 842 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 843 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 844 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 845 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 846
 847 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 848 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 849
 850 /* values for radiobutton gadgets */
 851 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 852 #define ED_RADIOBUTTON_ID_QUANTITY      1
 853
 854 #define ED_NUM_RADIOBUTTONS             2
 855
 856 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 857 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 858
 859 /* values for drawing area gadgets */
 860 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 861 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 862 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 863 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 864 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 865 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 866 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 867 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 868 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 869 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 870 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 871 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 872 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 873 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 874 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 875 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 876 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 877 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 878 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 879 #define ED_DRAWING_ID_START_ELEMENT             19
 880 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 881 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 882 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 883 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 884 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 885 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 886 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 887 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 888 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 889 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 890 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 891 #define ED_DRAWING_ID_GROUP_CONTENT             31
 892 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 893
 894 #define ED_NUM_DRAWING_AREAS                    33
 895
 896
 897 /*
 898   -----------------------------------------------------------------------------
 899   some internally used definitions
 900   -----------------------------------------------------------------------------
 901 */
 902
 903 /* values for CopyLevelToUndoBuffer() */
 904 #define UNDO_IMMEDIATE                  0
 905 #define UNDO_ACCUMULATE                 1
 906
 907 /* values for scrollbars */
 908 #define ED_SCROLL_NO                    0
 909 #define ED_SCROLL_LEFT                  1
 910 #define ED_SCROLL_RIGHT                 2
 911 #define ED_SCROLL_UP                    4
 912 #define ED_SCROLL_DOWN                  8
 913
 914 /* screens in the level editor */
 915 #define ED_MODE_DRAWING                 0
 916 #define ED_MODE_INFO                    1
 917 #define ED_MODE_PROPERTIES              2
 918
 919 /* sub-screens in the element properties section */
 920 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 921 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 922 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 923 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 924 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 925
 926 /* how many steps can be cancelled */
 927 #define NUM_UNDO_STEPS                  (10 + 1)
 928
 929 /* values for elements with score for certain actions */
 930 #define MIN_SCORE                       0
 931 #define MAX_SCORE                       999
 932
 933 /* values for elements with count for collecting */
 934 #define MIN_COLLECT_COUNT               0
 935 #define MAX_COLLECT_COUNT               999
 936
 937 /* values for random placement */
 938 #define RANDOM_USE_PERCENTAGE           0
 939 #define RANDOM_USE_QUANTITY             1
 940
 941 /* maximal size of level editor drawing area */
 942 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 943 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 944
 945
 946 /*
 947   -----------------------------------------------------------------------------
 948   some internally used data structure definitions
 949   -----------------------------------------------------------------------------
 950 */
 951
 952 static struct
 953 {
 954   char shortcut;
 955   char *text;
 956 } control_info[ED_NUM_CTRL_BUTTONS] =
 957 {
 958   /* note: some additional characters are already reserved for "cheat mode"
 959      shortcuts (":XYZ" style) -- for details, see "events.c" */
 960
 961   { 's',        "draw single items"                     },
 962   { 'd',        "draw connected items"                  },
 963   { 'l',        "draw lines"                            },
 964   { 'a',        "draw arcs"                             },
 965   { 'r',        "draw outline rectangles"               },
 966   { 'R',        "draw filled rectangles"                },
 967   { '\0',       "wrap (rotate) level up"                },
 968   { 't',        "enter text elements"                   },
 969   { 'f',        "flood fill"                            },
 970   { '\0',       "wrap (rotate) level left"              },
 971   { '?',        "properties of drawing element"         },
 972   { '\0',       "wrap (rotate) level right"             },
 973   { '\0',       "random element placement"              },
 974   { 'b',        "grab brush"                            },
 975   { '\0',       "wrap (rotate) level down"              },
 976   { ',',        "pick drawing element"                  },
 977
 978   { 'U',        "undo last operation"                   },
 979   { 'I',        "level properties"                      },
 980   { 'S',        "save level"                            },
 981   { 'C',        "clear level"                           },
 982   { 'T',        "test level"                            },
 983   { 'E',        "exit level editor"                     },
 984
 985   { '\0',       "copy settings from other element"      },
 986   { '\0',       "copy settings to other element"        },
 987   { '\0',       "exchange element with other element"   },
 988
 989   { '\0',       "copy settings from this element"       },
 990   { '\0',       "paste settings to this element"        },
 991 };
 992
 993 static int random_placement_value = 10;
 994 static int random_placement_method = RANDOM_USE_QUANTITY;
 995 static int random_placement_background_element = EL_SAND;
 996 static boolean random_placement_background_restricted = FALSE;
 997 static boolean stick_element_properties_window = FALSE;
 998 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 999 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1000 static struct ElementChangeInfo custom_element_change;
1001 static struct ElementGroupInfo group_element_info;
1002 static struct ElementInfo custom_element;
1003
1004 static struct
1005 {
1006   int x, y;
1007   int min_value, max_value;
1008   int gadget_id_down, gadget_id_up;
1009   int gadget_id_text;
1010   int gadget_id_align;
1011   int *value;
1012   char *text_above, *text_left, *text_right;
1013 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1014 {
1015   /* ---------- current level number --------------------------------------- */
1016
1017   {
1018     DX + 5 - SX,                        DY + 3 - SY,
1019     1,                                  100,
1020     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1021     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1022     &level_nr,
1023     NULL,                               NULL, NULL
1024   },
1025
1026   /* ---------- level and editor settings ---------------------------------- */
1027
1028   {
1029     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1030     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1031     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1032     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1033     &level.fieldx,
1034     "playfield size:",                  NULL, "width",
1035   },
1036   {
1037     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1038     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1039     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1040     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1041     &level.fieldy,
1042     NULL,                               " ", "height",
1043   },
1044   {
1045     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1046     0,                                  999,
1047     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1048     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1049     &level.gems_needed,
1050     NULL, "number of gems to collect:", NULL
1051   },
1052   {
1053     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1054     0,                                  9999,
1055     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1056     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1057     &level.time,
1058     "time or step limit to solve level:", NULL, NULL
1059   },
1060   {
1061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1062     0,                                  999,
1063     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1064     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1065     &level.score[SC_TIME_BONUS],
1066     "score for each second/step left:", NULL, NULL
1067   },
1068   {
1069     ED_LEVEL_SETTINGS_XPOS(0),          ED_COUNTER2_YPOS(8),
1070     1,                                  100,
1071     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1072     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1073     &random_placement_value,
1074     "random element placement:",        NULL, "in"
1075   },
1076
1077   /* ---------- element settings: configure (various elements) ------------- */
1078
1079   {
1080     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1081     MIN_SCORE,                          MAX_SCORE,
1082     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1083     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1084     NULL,                               /* will be set when used */
1085     NULL,                               NULL, NULL
1086   },
1087   {
1088     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1089     MIN_SCORE,                          MAX_SCORE,
1090     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1091     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1092     NULL,                               /* will be set when used */
1093     NULL,                               NULL, NULL
1094   },
1095   {
1096     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1097     MIN_SCORE,                          MAX_SCORE,
1098     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1099     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1100     NULL,                               /* will be set when used */
1101     NULL,                               NULL, NULL
1102   },
1103   {
1104     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1105     MIN_SCORE,                          MAX_SCORE,
1106     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1107     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1108     NULL,                               /* will be set when used */
1109     NULL,                               NULL, NULL
1110   },
1111   {
1112     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1113     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1114     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1115     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1116     &level.num_yamyam_contents,
1117     NULL,                               NULL, "number of content areas"
1118   },
1119   {
1120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1121     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1122     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1123     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1124     &level.num_ball_contents,
1125     NULL,                               NULL, "number of content areas"
1126   },
1127   {
1128     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1129     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1130     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1131     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1132     &level.num_android_clone_elements,
1133     NULL,                               NULL, "number of clonable elements"
1134   },
1135   {
1136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1137     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1138     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1139     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1140     NULL,                               /* will be set when used */
1141     NULL,                               NULL, "width",
1142   },
1143   {
1144     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1145     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1146     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1147     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1148     NULL,                               /* will be set when used */
1149     NULL,                               " ", "height",
1150   },
1151   {
1152     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1153     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1154     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1155     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1156     &level.initial_inventory_size[0],
1157     NULL,                               NULL, "number of inventory elements"
1158   },
1159
1160   /* ---------- element settings: configure 1 (custom elements) ------------ */
1161
1162   {
1163     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1164     MIN_SCORE,                          MAX_SCORE,
1165     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1166     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1167     &custom_element.collect_score_initial,
1168     NULL,                               "CE score", " "
1169   },
1170   {
1171     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1172     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1173     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1174     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1175     &custom_element.collect_count_initial,
1176     NULL,                               "CE count", NULL
1177   },
1178   {
1179     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1180     0,                                  9999,
1181     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1182     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1183     &custom_element.ce_value_fixed_initial,
1184     NULL,                               "CE value", NULL
1185   },
1186   {
1187     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1188     0,                                  9999,
1189     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1190     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1191     &custom_element.ce_value_random_initial,
1192     NULL,                               "+random", NULL
1193   },
1194   {
1195     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1196     0,                                  999,
1197     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1198     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1199     &custom_element.push_delay_fixed,
1200     NULL,                               "push delay", NULL
1201   },
1202   {
1203     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1204     0,                                  999,
1205     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1206     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1207     &custom_element.push_delay_random,
1208     NULL,                               "+random", NULL
1209   },
1210   {
1211     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1212     0,                                  999,
1213     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1214     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1215     &custom_element.drop_delay_fixed,
1216     NULL,                               "drop delay", NULL
1217   },
1218   {
1219     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1220     0,                                  999,
1221     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1222     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1223     &custom_element.drop_delay_random,
1224     NULL,                               "+random", NULL
1225   },
1226
1227   /* ---------- element settings: configure 2 (custom elements) ------------ */
1228
1229   {
1230     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1231     0,                                  999,
1232     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1233     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1234     &custom_element.move_delay_fixed,
1235     NULL,                               "move delay", NULL
1236   },
1237   {
1238     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1239     0,                                  999,
1240     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1241     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1242     &custom_element.move_delay_random,
1243     NULL,                               "+random", NULL
1244   },
1245   {
1246     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1247     0,                                  999,
1248     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1249     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1250     &custom_element.explosion_delay,
1251     NULL,                               "explosion delay", NULL
1252   },
1253   {
1254     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1255     0,                                  999,
1256     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1257     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1258     &custom_element.ignition_delay,
1259     NULL,                               "ignition delay", "(by fire)"
1260   },
1261
1262   /* ---------- element settings: configure (group elements) --------------- */
1263
1264   {
1265     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1266     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1267     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1268     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1269     &group_element_info.num_elements,
1270     NULL,                               NULL, "number of elements in group"
1271   },
1272
1273   /* ---------- element settings: advanced (custom elements) --------------- */
1274
1275   {
1276     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1277     0,                                  999,
1278     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1279     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1280     &custom_element_change.delay_fixed,
1281     NULL,                               "CE delay", NULL,
1282   },
1283   {
1284     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1285     0,                                  999,
1286     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1287     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1288     &custom_element_change.delay_random,
1289     NULL,                               "+random", NULL
1290   },
1291   {
1292     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1293     0,                                  100,
1294     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1295     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1296     &custom_element_change.random_percentage,
1297     NULL,                               "use random replace:", "%"
1298   },
1299 };
1300
1301 static struct
1302 {
1303   int x, y;
1304   int gadget_id;
1305   int size;
1306   char *value;
1307   char *text_above, *infotext;
1308 } textinput_info[ED_NUM_TEXTINPUT] =
1309 {
1310   {
1311     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1312     GADGET_ID_LEVEL_NAME,
1313     MAX_LEVEL_NAME_LEN,
1314     level.name,
1315     "Title:", "Title"
1316   },
1317   {
1318     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1319     GADGET_ID_LEVEL_AUTHOR,
1320     MAX_LEVEL_AUTHOR_LEN,
1321     level.author,
1322     "Author:", "Author"
1323   },
1324   {
1325     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1326     GADGET_ID_ELEMENT_NAME,
1327     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1328     custom_element.description,
1329     NULL, "Element name"
1330   }
1331 };
1332
1333 static struct
1334 {
1335   int x, y;
1336   int gadget_id;
1337   int xsize, ysize;
1338   char *value;
1339   char *text_above, *infotext;
1340 } textarea_info[ED_NUM_TEXTAREAS] =
1341 {
1342   {
1343     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1344     GADGET_ID_ENVELOPE_INFO,
1345     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1346     NULL,
1347     "Envelope Content:", "Envelope Content"
1348   }
1349 };
1350
1351 static struct ValueTextInfo options_time_or_steps[] =
1352 {
1353   { 0,                          "seconds"                       },
1354   { 1,                          "steps"                         },
1355
1356   { -1,                         NULL                            }
1357 };
1358
1359 static struct ValueTextInfo options_game_engine_type[] =
1360 {
1361   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1362   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1363
1364   { -1,                         NULL                            }
1365 };
1366
1367 static struct ValueTextInfo options_wind_direction[] =
1368 {
1369   { MV_START_NONE,              "none"                          },
1370   { MV_START_LEFT,              "left"                          },
1371   { MV_START_RIGHT,             "right"                         },
1372   { MV_START_UP,                "up"                            },
1373   { MV_START_DOWN,              "down"                          },
1374
1375   { -1,                         NULL                            }
1376 };
1377
1378 static struct ValueTextInfo options_player_speed[] =
1379 {
1380   { 0,                          "frozen"                        },
1381   { 1,                          "very slow"                     },
1382   { 2,                          "slow"                          },
1383   { 4,                          "normal"                        },
1384   { 8,                          "fast"                          },
1385   { 16,                         "very fast"                     },
1386   { 32,                         "ultrafast"                     },
1387
1388   { -1,                         NULL                            }
1389 };
1390
1391 static struct ValueTextInfo options_access_type[] =
1392 {
1393   { EP_WALKABLE,                "walkable"                      },
1394   { EP_PASSABLE,                "passable"                      },
1395
1396   { -1,                         NULL                            }
1397 };
1398
1399 static struct ValueTextInfo options_access_layer[] =
1400 {
1401   { EP_ACCESSIBLE_OVER,         "over"                          },
1402   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1403   { EP_ACCESSIBLE_UNDER,        "under"                         },
1404
1405   { -1,                         NULL                            }
1406 };
1407
1408 static struct ValueTextInfo options_access_protected[] =
1409 {
1410   { 0,                          "unprotected"                   },
1411   { 1,                          "protected"                     },
1412
1413   { -1,                         NULL                            }
1414 };
1415
1416 static struct ValueTextInfo options_access_direction[] =
1417 {
1418   { MV_NO_DIRECTION,            "no direction"                  },
1419   { MV_LEFT,                    "left"                          },
1420   { MV_RIGHT,                   "right"                         },
1421   { MV_UP,                      "up"                            },
1422   { MV_DOWN,                    "down"                          },
1423   { MV_LEFT  | MV_UP,           "left + up"                     },
1424   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1425   { MV_RIGHT | MV_UP,           "right + up"                    },
1426   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1427   { MV_HORIZONTAL,              "horizontal"                    },
1428   { MV_VERTICAL,                "vertical"                      },
1429   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1430   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1431   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1432   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1433   { MV_ALL_DIRECTIONS,          "all directions"                },
1434
1435   { -1,                         NULL                            }
1436 };
1437
1438 static struct ValueTextInfo options_walk_to_action[] =
1439 {
1440   { EP_DIGGABLE,                "diggable"                      },
1441   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1442   { EP_DROPPABLE,               "collectible & droppable"       },
1443   { EP_THROWABLE,               "collectible & throwable"       },
1444   { EP_PUSHABLE,                "pushable"                      },
1445
1446   { -1,                         NULL                            }
1447 };
1448
1449 static struct ValueTextInfo options_move_pattern[] =
1450 {
1451   { MV_LEFT,                    "left"                          },
1452   { MV_RIGHT,                   "right"                         },
1453   { MV_UP,                      "up"                            },
1454   { MV_DOWN,                    "down"                          },
1455   { MV_HORIZONTAL,              "horizontal"                    },
1456   { MV_VERTICAL,                "vertical"                      },
1457   { MV_ALL_DIRECTIONS,          "all directions"                },
1458   { MV_WIND_DIRECTION,          "wind direction"                },
1459   { MV_TOWARDS_PLAYER,          "towards player"                },
1460   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1461   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1462   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1463   { MV_TURNING_LEFT,            "turning left"                  },
1464   { MV_TURNING_RIGHT,           "turning right"                 },
1465   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1466   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1467   { MV_TURNING_RANDOM,          "turning random"                },
1468   { MV_MAZE_RUNNER,             "maze runner style"             },
1469   { MV_MAZE_HUNTER,             "maze hunter style"             },
1470   { MV_WHEN_PUSHED,             "when pushed"                   },
1471   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1472
1473   { -1,                         NULL                            }
1474 };
1475
1476 static struct ValueTextInfo options_move_direction[] =
1477 {
1478   { MV_START_AUTOMATIC,         "automatic"                     },
1479   { MV_START_LEFT,              "left"                          },
1480   { MV_START_RIGHT,             "right"                         },
1481   { MV_START_UP,                "up"                            },
1482   { MV_START_DOWN,              "down"                          },
1483   { MV_START_RANDOM,            "random"                        },
1484   { MV_START_PREVIOUS,          "previous"                      },
1485
1486   { -1,                         NULL                            }
1487 };
1488
1489 static struct ValueTextInfo options_move_stepsize[] =
1490 {
1491   { 0,                          "not moving"                    },
1492   { 1,                          "very slow"                     },
1493   { 2,                          "slow"                          },
1494   { 4,                          "normal"                        },
1495   { 8,                          "fast"                          },
1496   { 16,                         "very fast"                     },
1497   { 32,                         "even faster"                   },
1498
1499   { -1,                         NULL                            }
1500 };
1501
1502 static struct ValueTextInfo options_move_leave_type[] =
1503 {
1504   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1505   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1506
1507   { -1,                         NULL                            }
1508 };
1509
1510 static struct ValueTextInfo options_smash_targets[] =
1511 {
1512   { EP_CAN_SMASH_PLAYER,        "player"                        },
1513 #if 0
1514   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1515 #endif
1516   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1517
1518   { -1,                         NULL                            }
1519 };
1520
1521 static struct ValueTextInfo options_slippery_type[] =
1522 {
1523   { SLIPPERY_ANY_RANDOM,        "random"                        },
1524   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1525   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1526   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1527   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1528
1529   { -1,                         NULL                            }
1530 };
1531
1532 static struct ValueTextInfo options_deadliness[] =
1533 {
1534   { EP_DONT_RUN_INTO,           "running into"                  },
1535   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1536   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1537   { EP_DONT_TOUCH,              "touching"                      },
1538
1539   { -1,                         NULL                            }
1540 };
1541
1542 static struct ValueTextInfo options_explosion_type[] =
1543 {
1544   { EXPLODES_3X3,               "3x3"                           },
1545   { EXPLODES_CROSS,             "3+3"                           },
1546   { EXPLODES_1X1,               "1x1"                           },
1547
1548   { -1,                         NULL                            }
1549 };
1550
1551 static struct ValueTextInfo options_time_units[] =
1552 {
1553   { 1,                          "frames"                        },
1554   { FRAMES_PER_SECOND,          "seconds"                       },
1555
1556   { -1,                         NULL                            }
1557 };
1558
1559 static struct ValueTextInfo options_change_direct_action[] =
1560 {
1561   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1562   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1563   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1564   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1565   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1566   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1567   { CE_LEFT_BY_PLAYER,          "left by player"                },
1568   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1569   { CE_SWITCHED,                "switched"                      },
1570   { CE_HITTING_SOMETHING,       "hitting something"             },
1571   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1572 #if 0
1573   { CE_BLOCKED,                 "blocked"                       },
1574 #endif
1575   { CE_IMPACT,                  "impact (on something)"         },
1576   { CE_SMASHED,                 "smashed (from above)"          },
1577 #if 0
1578   { CE_VALUE_CHANGES,           "CE value changes"              },
1579   { CE_SCORE_CHANGES,           "CE score changes"              },
1580 #endif
1581   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1582   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1583
1584   { -1,                         NULL                            }
1585 };
1586
1587 static struct ValueTextInfo options_change_other_action[] =
1588 {
1589   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1590   { CE_PLAYER_PRESSES_X,        "player presses"                },
1591   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1592   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1593   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1594   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1595   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1596   { CE_PLAYER_DIGS_X,           "player digs"                   },
1597   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1598   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1599   { CE_TOUCHING_X,              "touching"                      },
1600   { CE_HITTING_X,               "hitting"                       },
1601   { CE_DIGGING_X,               "digging"                       },
1602   { CE_HIT_BY_X,                "hit by"                        },
1603   { CE_SWITCH_OF_X,             "switch of"                     },
1604   { CE_CHANGE_OF_X,             "change by page of"             },
1605   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1606   { CE_MOVE_OF_X,               "move of"                       },
1607   { CE_CREATION_OF_X,           "creation of"                   },
1608   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1609   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1610   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1611   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1612
1613   { -1,                         NULL                            }
1614 };
1615
1616 static struct ValueTextInfo options_change_trigger_side[] =
1617 {
1618   { CH_SIDE_LEFT,               "left"                          },
1619   { CH_SIDE_RIGHT,              "right"                         },
1620   { CH_SIDE_TOP,                "top"                           },
1621   { CH_SIDE_BOTTOM,             "bottom"                        },
1622   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1623   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1624   { CH_SIDE_ANY,                "any"                           },
1625
1626   { -1,                         NULL                            }
1627 };
1628
1629 static struct ValueTextInfo options_change_trigger_player[] =
1630 {
1631   { CH_PLAYER_1,                "1"                             },
1632   { CH_PLAYER_2,                "2"                             },
1633   { CH_PLAYER_3,                "3"                             },
1634   { CH_PLAYER_4,                "4"                             },
1635   { CH_PLAYER_ANY,              "any"                           },
1636
1637   { -1,                         NULL                            }
1638 };
1639
1640 static struct ValueTextInfo options_change_trigger_page[] =
1641 {
1642   { (1 << 0),                   "1"                             },
1643   { (1 << 1),                   "2"                             },
1644   { (1 << 2),                   "3"                             },
1645   { (1 << 3),                   "4"                             },
1646   { (1 << 4),                   "5"                             },
1647   { (1 << 5),                   "6"                             },
1648   { (1 << 6),                   "7"                             },
1649   { (1 << 7),                   "8"                             },
1650   { (1 << 8),                   "9"                             },
1651   { (1 << 9),                   "10"                            },
1652   { (1 << 10),                  "11"                            },
1653   { (1 << 11),                  "12"                            },
1654   { (1 << 12),                  "13"                            },
1655   { (1 << 13),                  "14"                            },
1656   { (1 << 14),                  "15"                            },
1657   { (1 << 15),                  "16"                            },
1658   { (1 << 16),                  "17"                            },
1659   { (1 << 17),                  "18"                            },
1660   { (1 << 18),                  "19"                            },
1661   { (1 << 19),                  "20"                            },
1662   { (1 << 20),                  "21"                            },
1663   { (1 << 21),                  "22"                            },
1664   { (1 << 22),                  "23"                            },
1665   { (1 << 23),                  "24"                            },
1666   { (1 << 24),                  "25"                            },
1667   { (1 << 25),                  "26"                            },
1668   { (1 << 26),                  "27"                            },
1669   { (1 << 27),                  "28"                            },
1670   { (1 << 28),                  "29"                            },
1671   { (1 << 29),                  "30"                            },
1672   { (1 << 30),                  "31"                            },
1673   { (1 << 31),                  "32"                            },
1674   { CH_PAGE_ANY,                "any"                           },
1675
1676   { -1,                         NULL                            }
1677 };
1678
1679 static struct ValueTextInfo options_change_replace_when[] =
1680 {
1681   { CP_WHEN_EMPTY,              "empty"                         },
1682   { CP_WHEN_WALKABLE,           "walkable"                      },
1683   { CP_WHEN_DIGGABLE,           "diggable"                      },
1684   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1685   { CP_WHEN_REMOVABLE,          "removable"                     },
1686   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1687
1688   { -1,                         NULL                            }
1689 };
1690
1691 static struct ValueTextInfo options_action_type[] =
1692 {
1693   { CA_NO_ACTION,               "no action"                     },
1694   { CA_UNDEFINED,               " "                             },
1695   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1696   { CA_RESTART_LEVEL,           "restart level"                 },
1697   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1698   { CA_SET_LEVEL_TIME,          "set time"                      },
1699   { CA_SET_LEVEL_SCORE,         "set score"                     },
1700   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1701   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1702   { CA_UNDEFINED,               " "                             },
1703   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1704   { CA_MOVE_PLAYER,             "move player"                   },
1705   { CA_EXIT_PLAYER,             "exit player"                   },
1706   { CA_KILL_PLAYER,             "kill player"                   },
1707   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1708   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1709   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1710   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1711   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1712   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1713   { CA_UNDEFINED,               " "                             },
1714   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1715   { CA_SET_CE_VALUE,            "set CE value"                  },
1716   { CA_SET_CE_SCORE,            "set CE score"                  },
1717   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1718   { CA_UNDEFINED,               " "                             },
1719   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1720   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1721
1722   { -1,                         NULL                            }
1723 };
1724
1725 static struct ValueTextInfo options_action_mode_none[] =
1726 {
1727   { CA_MODE_UNDEFINED,          " "                             },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_action_mode_assign[] =
1733 {
1734   { CA_MODE_SET,                "="                             },
1735
1736   { -1,                         NULL                            }
1737 };
1738
1739 static struct ValueTextInfo options_action_mode_add_remove[] =
1740 {
1741   { CA_MODE_ADD,                "+"                             },
1742   { CA_MODE_SUBTRACT,           "-"                             },
1743
1744   { -1,                         NULL                            }
1745 };
1746
1747 static struct ValueTextInfo options_action_mode_calculate[] =
1748 {
1749   { CA_MODE_SET,                "="                             },
1750   { CA_MODE_ADD,                "+"                             },
1751   { CA_MODE_SUBTRACT,           "-"                             },
1752   { CA_MODE_MULTIPLY,           "*"                             },
1753   { CA_MODE_DIVIDE,             "/"                             },
1754   { CA_MODE_MODULO,             "%"                             },
1755
1756   { -1,                         NULL                            }
1757 };
1758
1759 static struct ValueTextInfo options_action_arg_none[] =
1760 {
1761   { CA_ARG_UNDEFINED,           "         "                     },
1762
1763   { -1,                         NULL                            }
1764 };
1765
1766 static struct ValueTextInfo options_action_arg_player[] =
1767 {
1768   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1769   { CA_ARG_PLAYER_1,            "1"                             },
1770   { CA_ARG_PLAYER_2,            "2"                             },
1771   { CA_ARG_PLAYER_3,            "3"                             },
1772   { CA_ARG_PLAYER_4,            "4"                             },
1773   { CA_ARG_PLAYER_ANY,          "any"                           },
1774   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1775   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1776
1777   { -1,                         NULL                            }
1778 };
1779
1780 static struct ValueTextInfo options_action_arg_number[] =
1781 {
1782   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1783   { CA_ARG_0,                   "0"                             },
1784   { CA_ARG_1,                   "1"                             },
1785   { CA_ARG_2,                   "2"                             },
1786   { CA_ARG_3,                   "3"                             },
1787   { CA_ARG_4,                   "4"                             },
1788   { CA_ARG_5,                   "5"                             },
1789   { CA_ARG_10,                  "10"                            },
1790   { CA_ARG_100,                 "100"                           },
1791   { CA_ARG_1000,                "1000"                          },
1792   { CA_ARG_UNDEFINED,           " "                             },
1793   { CA_ARG_NUMBER_MIN,          "min"                           },
1794   { CA_ARG_NUMBER_MAX,          "max"                           },
1795   { CA_ARG_UNDEFINED,           " "                             },
1796   { CA_ARG_NUMBER_RESET,        "reset"                         },
1797   { CA_ARG_UNDEFINED,           " "                             },
1798   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1799   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1800   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1801   { CA_ARG_UNDEFINED,           " "                             },
1802   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1803   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1804   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1805   { CA_ARG_UNDEFINED,           " "                             },
1806   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1807   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1808   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1809   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1810   { CA_ARG_UNDEFINED,           " "                             },
1811   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1812   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1813   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1814   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1815
1816   { -1,                         NULL                            }
1817 };
1818
1819 static struct ValueTextInfo options_action_arg_value[] =
1820 {
1821   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1822   { CA_ARG_0,                   "0"                             },
1823   { CA_ARG_1,                   "1"                             },
1824   { CA_ARG_2,                   "2"                             },
1825   { CA_ARG_3,                   "3"                             },
1826   { CA_ARG_4,                   "4"                             },
1827   { CA_ARG_5,                   "5"                             },
1828   { CA_ARG_10,                  "10"                            },
1829   { CA_ARG_100,                 "100"                           },
1830   { CA_ARG_1000,                "1000"                          },
1831   { CA_ARG_UNDEFINED,           " "                             },
1832   { CA_ARG_NUMBER_MIN,          "min"                           },
1833   { CA_ARG_NUMBER_MAX,          "max"                           },
1834   { CA_ARG_UNDEFINED,           " "                             },
1835   { CA_ARG_NUMBER_RESET,        "reset"                         },
1836   { CA_ARG_UNDEFINED,           " "                             },
1837   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1838   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1839   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1840   { CA_ARG_UNDEFINED,           " "                             },
1841   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1842   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1843   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1844   { CA_ARG_UNDEFINED,           " "                             },
1845   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1846   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1847   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1848   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1849   { CA_ARG_UNDEFINED,           " "                             },
1850   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1851   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1852   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1853   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1854   { CA_ARG_UNDEFINED,           " "                             },
1855   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1856   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1857   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1858   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_action_arg_envelope[] =
1864 {
1865   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1866   { CA_ARG_1,                   "1"                             },
1867   { CA_ARG_2,                   "2"                             },
1868   { CA_ARG_3,                   "3"                             },
1869   { CA_ARG_4,                   "4"                             },
1870   { CA_ARG_UNDEFINED,           " "                             },
1871   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1872   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1873   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1874   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1875
1876   { -1,                         NULL                            }
1877 };
1878
1879 static struct ValueTextInfo options_action_arg_key[] =
1880 {
1881   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1882   { CA_ARG_1,                   "1"                             },
1883   { CA_ARG_2,                   "2"                             },
1884   { CA_ARG_3,                   "3"                             },
1885   { CA_ARG_4,                   "4"                             },
1886   { CA_ARG_5,                   "5"                             },
1887   { CA_ARG_6,                   "6"                             },
1888   { CA_ARG_7,                   "7"                             },
1889   { CA_ARG_8,                   "8"                             },
1890   { CA_ARG_UNDEFINED,           " "                             },
1891   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1892   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1893   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1894   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1895
1896   { -1,                         NULL                            }
1897 };
1898
1899 static struct ValueTextInfo options_action_arg_speed[] =
1900 {
1901   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1902   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1903   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1904   { CA_ARG_SPEED_SLOW,          "slow"                          },
1905   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1906   { CA_ARG_SPEED_FAST,          "fast"                          },
1907   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1908   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1909   { CA_ARG_UNDEFINED,           " "                             },
1910   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1911   { CA_ARG_SPEED_FASTER,        "faster"                        },
1912   { CA_ARG_UNDEFINED,           " "                             },
1913   { CA_ARG_SPEED_RESET,         "reset"                         },
1914
1915   { -1,                         NULL                            }
1916 };
1917
1918 static struct ValueTextInfo options_action_arg_shield[] =
1919 {
1920   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1921   { CA_ARG_SHIELD_OFF,          "off"                           },
1922   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1923   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1924
1925   { -1,                         NULL                            }
1926 };
1927
1928 static struct ValueTextInfo options_action_arg_artwork[] =
1929 {
1930   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1931   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1932   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1933   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1934   { CA_ARG_UNDEFINED,           " "                             },
1935   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1936
1937   { -1,                         NULL                            }
1938 };
1939
1940 static struct ValueTextInfo options_action_arg_gravity[] =
1941 {
1942   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1943   { CA_ARG_GRAVITY_ON,          "on"                            },
1944   { CA_ARG_GRAVITY_OFF,         "off"                           },
1945   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1946
1947   { -1,                         NULL                            }
1948 };
1949
1950 static struct ValueTextInfo options_action_arg_direction[] =
1951 {
1952   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1953   { CA_ARG_DIRECTION_NONE,      "none"                          },
1954   { CA_ARG_DIRECTION_LEFT,      "left"                          },
1955   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
1956   { CA_ARG_DIRECTION_UP,        "up"                            },
1957   { CA_ARG_DIRECTION_DOWN,      "down"                          },
1958   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
1959   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
1960
1961   { -1,                         NULL                            }
1962 };
1963
1964 static struct ValueTextInfo options_action_arg_scan_mode[] =
1965 {
1966   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
1967   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
1968   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
1969
1970   { -1,                         NULL                            }
1971 };
1972
1973 static struct ValueTextInfo options_action_arg_inventory[] =
1974 {
1975   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
1976   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
1977   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
1978   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
1979   { CA_ARG_UNDEFINED,           " "                             },
1980   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
1981   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
1982   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
1983   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
1984   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
1985   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
1986   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
1987   { CA_ARG_UNDEFINED,           " "                             },
1988   { CA_ARG_INVENTORY_RESET,     "reset"                         },
1989
1990   { -1,                         NULL                            }
1991 };
1992
1993 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1994 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1995 {
1996   { -1,                         NULL                            }
1997 };
1998
1999 static struct ValueTextInfo options_group_choice_mode[] =
2000 {
2001   { ANIM_RANDOM,                "random"                        },
2002   { ANIM_LOOP,                  "loop"                          },
2003   { ANIM_LINEAR,                "linear"                        },
2004   { ANIM_PINGPONG,              "pingpong"                      },
2005   { ANIM_PINGPONG2,             "pingpong 2"                    },
2006
2007   { -1,                         NULL                            }
2008 };
2009
2010 static struct ValueTextInfo *action_arg_modes[] =
2011 {
2012   options_action_mode_none,
2013   options_action_mode_assign,
2014   options_action_mode_add_remove,
2015   options_action_mode_calculate,
2016 };
2017
2018 static struct
2019 {
2020   int value;
2021   int mode;
2022   struct ValueTextInfo *options;
2023 }
2024 action_arg_options[] =
2025 {
2026   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2027   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2028   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2029   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2030   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2031   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2032   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2033   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2034   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2035   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2036   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2037   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2038   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2039   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2040   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2041   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2042   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2043   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2044   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2045   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2046
2047   { -1,                         FALSE,  NULL                            }
2048 };
2049
2050 static struct
2051 {
2052   int x, y;
2053   int gadget_id;
2054   int gadget_id_align;
2055   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2056   struct ValueTextInfo *options;
2057   int *value;
2058   char *text_left, *text_right, *infotext;
2059 } selectbox_info[ED_NUM_SELECTBOX] =
2060 {
2061   /* ---------- level and editor settings ---------------------------------- */
2062
2063   {
2064     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2065     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2066     -1,
2067     options_time_or_steps,
2068     &level.use_step_counter,
2069     NULL, "(0 => no limit)",            "time or step limit"
2070   },
2071   {
2072     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2073     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2074     -1,
2075     options_game_engine_type,
2076     &level.game_engine_type,
2077     "game engine:", NULL,               "game engine"
2078   },
2079   {
2080     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2081     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2082     -1,
2083     options_wind_direction,
2084     &level.wind_direction_initial,
2085     "initial wind direction:", NULL,    "initial wind direction"
2086   },
2087
2088   /* ---------- element settings: configure (several elements) ------------- */
2089
2090   {
2091     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2092     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2093     -1,
2094     options_player_speed,
2095     &level.initial_player_stepsize[0],
2096     "initial player speed:", NULL,      "initial player speed"
2097   },
2098
2099   /* ---------- element settings: configure 1 (custom elements) ------------ */
2100
2101   {
2102     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2103     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2104     -1,
2105     options_access_type,
2106     &custom_element.access_type,
2107     NULL, NULL,                         "type of access to this field"
2108   },
2109   {
2110     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2111     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2112     -1,
2113     options_access_layer,
2114     &custom_element.access_layer,
2115     NULL, NULL,                         "layer of access for this field"
2116   },
2117   {
2118     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2119     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2120     -1,
2121     options_access_protected,
2122     &custom_element.access_protected,
2123     NULL, NULL,                         "protected access for this field"
2124   },
2125   {
2126     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2127     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2128     -1,
2129     options_access_direction,
2130     &custom_element.access_direction,
2131     "from", NULL,                       "access direction for this field"
2132   },
2133   {
2134     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2135     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2136     -1,
2137     options_walk_to_action,
2138     &custom_element.walk_to_action,
2139     NULL, NULL,                         "diggable/collectible/pushable"
2140   },
2141
2142   /* ---------- element settings: configure 2 (custom elements) ------------ */
2143
2144   {
2145     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2146     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2147     -1,
2148     options_move_pattern,
2149     &custom_element.move_pattern,
2150     "can move", NULL,                   "element move pattern"
2151   },
2152   {
2153     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2154     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2155     -1,
2156     options_move_direction,
2157     &custom_element.move_direction_initial,
2158     "starts moving", NULL,              "initial element move direction"
2159   },
2160   {
2161     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2162     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2163     -1,
2164     options_move_stepsize,
2165     &custom_element.move_stepsize,
2166     "move/fall speed", NULL,            "speed of element movement"
2167   },
2168   {
2169     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2170     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2171     -1,
2172     options_move_leave_type,
2173     &custom_element.move_leave_type,
2174     "can dig:    can", ":",             "leave behind or change element"
2175   },
2176   {
2177     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2178     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2179     -1,
2180     options_smash_targets,
2181     &custom_element.smash_targets,
2182     "can smash", NULL,                  "elements that can be smashed"
2183   },
2184   {
2185     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2186     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2187     -1,
2188     options_slippery_type,
2189     &custom_element.slippery_type,
2190     "slippery", NULL,                   "where other elements fall down"
2191   },
2192   {
2193     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2194     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2195     -1,
2196     options_deadliness,
2197     &custom_element.deadliness,
2198     "deadly when", NULL,                "deadliness of element"
2199   },
2200   {
2201     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2202     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2203     -1,
2204     options_explosion_type,
2205     &custom_element.explosion_type,
2206     "can explode", NULL,                "explosion type"
2207   },
2208
2209   /* ---------- element settings: advanced (custom elements) --------------- */
2210
2211   {
2212     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2213     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2214     -1,
2215     options_time_units,
2216     &custom_element_change.delay_frames,
2217     "delay time given in", NULL,        "delay time units for change"
2218   },
2219   {
2220     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2221     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2222     -1,
2223     options_change_direct_action,
2224     &custom_element_change.direct_action,
2225     NULL, NULL,                         "type of direct action"
2226   },
2227   {
2228     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2229     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2230     -1,
2231     options_change_other_action,
2232     &custom_element_change.other_action,
2233     NULL, "element:",                   "type of other element action"
2234   },
2235   {
2236     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2237     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2238     -1,
2239     options_change_trigger_side,
2240     &custom_element_change.trigger_side,
2241     "at", "side",                       "element side triggering change"
2242   },
2243   {
2244     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2245     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2246     -1,
2247     options_change_trigger_player,
2248     &custom_element_change.trigger_player,
2249     "player:", " ",                     "player that causes change"
2250   },
2251   {
2252     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2253     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2254     -1,
2255     options_change_trigger_page,
2256     &custom_element_change.trigger_page,
2257     "page:", NULL,                      "change page that causes change"
2258   },
2259   {
2260     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2261     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2262     -1,
2263     options_change_replace_when,
2264     &custom_element_change.replace_when,
2265     "replace when", NULL,               "which elements can be replaced"
2266   },
2267   {
2268     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2269     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2270     -1,
2271     options_action_type,
2272     &custom_element_change.action_type,
2273     NULL, NULL,                         "action on specified condition"
2274   },
2275   {
2276     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2277     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2278     -1,
2279     options_action_mode_none,
2280     &custom_element_change.action_mode,
2281     NULL, NULL,                         "action operator"
2282   },
2283   {
2284     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2285     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2286     -1,
2287     options_action_arg_none,
2288     &custom_element_change.action_arg,
2289     NULL, NULL,                         "action parameter"
2290   },
2291   {
2292     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2293     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2294     3,
2295     options_change_page,
2296     &custom_element.current_change_page,
2297     NULL, NULL,                         "element change page"
2298   },
2299
2300   /* ---------- element settings: configure (group elements) --------------- */
2301
2302   {
2303     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2304     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2305     -1,
2306     options_group_choice_mode,
2307     &group_element_info.choice_mode,
2308     "choice type:", NULL,               "type of group element choice"
2309   },
2310 };
2311
2312 static struct
2313 {
2314   int x, y;
2315   int gadget_id;
2316   int gadget_id_align;
2317   int size;
2318   char *text;
2319   char *text_left, *text_right, *infotext;
2320 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2321 {
2322   {
2323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_COUNTER_YPOS(1),
2324     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2325     8,                                  "Info",
2326     NULL, NULL,                         "Show information about element"
2327   },
2328   {
2329     ED_ELEMENT_SETTINGS_XPOS(0) + 124,  ED_COUNTER_YPOS(1),
2330     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2331     8,                                  "Config",
2332     NULL, NULL,                         "Configure element properties"
2333   },
2334   {
2335     ED_ELEMENT_SETTINGS_XPOS(0) + 124,  ED_COUNTER_YPOS(1),
2336     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2337     8,                                  "Config 1",
2338     NULL, NULL,                         "Configure element properties, part 1"
2339   },
2340   {
2341     ED_ELEMENT_SETTINGS_XPOS(0) + 248,  ED_COUNTER_YPOS(1),
2342     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2343     8,                                  "Config 2",
2344     NULL, NULL,                         "Configure element properties, part 2"
2345   },
2346   {
2347     ED_ELEMENT_SETTINGS_XPOS(0) + 372,  ED_COUNTER_YPOS(1),
2348     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2349     8,                                  "Change",
2350     NULL, NULL,                         "Configure custom element change pages"
2351   },
2352   {
2353     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2354     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2355     -1,                                 "Save",
2356     " ", "As Template",                 "Save current settings as new template"
2357   },
2358   {
2359     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2360     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2361     -1,                                 "New",
2362     NULL, NULL,                         "Add new change page"
2363   },
2364   {
2365     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2366     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2367     -1,                                 "Delete",
2368     NULL, NULL,                         "Delete current change page"
2369   },
2370 };
2371
2372 static struct
2373 {
2374   int gd_x, gd_y;
2375   int x, y;
2376   int width, height;
2377   int gadget_id;
2378   int gadget_id_align;
2379   char *text_left, *text_right, *infotext;
2380 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2381 {
2382   {
2383     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2384     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2385     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2386     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2387     NULL, NULL,                         "select previous change page"
2388   },
2389   {
2390     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2391     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2392     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2393     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2394     NULL, "change page",                "select next change page"
2395   },
2396   {
2397     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2398     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2399     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2400     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2401     " ", NULL,                          "copy settings from this change page"
2402   },
2403   {
2404     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2405     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2406     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2407     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2408     NULL, NULL,                         "paste settings to this change page"
2409   },
2410 };
2411
2412 static struct
2413 {
2414   int gd_x, gd_y;
2415   int x, y;
2416   int gadget_id;
2417   char *infotext;
2418 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2419 {
2420   {
2421     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
2422     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
2423     GADGET_ID_SCROLL_UP,
2424     "scroll level editing area up"
2425   },
2426   {
2427     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
2428     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
2429     GADGET_ID_SCROLL_DOWN,
2430     "scroll level editing area down"
2431   },
2432   {
2433     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
2434     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
2435     GADGET_ID_SCROLL_LEFT,
2436     "scroll level editing area left"
2437   },
2438   {
2439     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
2440     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
2441     GADGET_ID_SCROLL_RIGHT,
2442     "scroll level editing area right"
2443   },
2444   {
2445     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
2446     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
2447     GADGET_ID_SCROLL_LIST_UP,
2448     "scroll element list up ('Page Up')"
2449   },
2450   {
2451     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
2452     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
2453     GADGET_ID_SCROLL_LIST_DOWN,
2454     "scroll element list down ('Page Down')"
2455   },
2456 };
2457
2458 static struct
2459 {
2460   int gd_x, gd_y;
2461   int x, y;
2462   int width, height;
2463   int wheel_x, wheel_y;
2464   int wheel_width, wheel_height;
2465   int type;
2466   int gadget_id;
2467   char *infotext;
2468 } scrollbar_info[ED_NUM_SCROLLBARS] =
2469 {
2470   {
2471     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2472     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
2473     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
2474 #if 1
2475     SX,                                 SY,
2476     SXSIZE,                             SYSIZE,
2477 #else
2478     0,                                  0,
2479     SX + SXSIZE + SX,                   WIN_YSIZE,
2480 #endif
2481     GD_TYPE_SCROLLBAR_HORIZONTAL,
2482     GADGET_ID_SCROLL_HORIZONTAL,
2483     "scroll level editing area horizontally"
2484   },
2485   {
2486     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
2487     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
2488     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
2489 #if 1
2490     SX,                                 SY,
2491     SXSIZE,                             SYSIZE,
2492 #else
2493     0,                                  0,
2494     SX + SXSIZE + SX,                   WIN_YSIZE,
2495 #endif
2496     GD_TYPE_SCROLLBAR_VERTICAL,
2497     GADGET_ID_SCROLL_VERTICAL,
2498     "scroll level editing area vertically"
2499   },
2500   {
2501     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
2502     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
2503     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
2504 #if 1
2505     DX,                                 DY,
2506     DXSIZE,                             DYSIZE,
2507 #else
2508     SX + SXSIZE + SX,                   0,
2509     WIN_XSIZE - (SX + SXSIZE + SX),     WIN_YSIZE,
2510 #endif
2511     GD_TYPE_SCROLLBAR_VERTICAL,
2512     GADGET_ID_SCROLL_LIST_VERTICAL,
2513     "scroll element list vertically"
2514   }
2515 };
2516
2517 static struct
2518 {
2519   int x, y;
2520   int gadget_id;
2521   int gadget_id_align;
2522   int radio_button_nr;
2523   int *value;
2524   int checked_value;
2525   char *text_left, *text_right, *infotext;
2526 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2527 {
2528   {
2529     -1,                                 ED_COUNTER2_YPOS(8),
2530     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2531     RADIO_NR_RANDOM_ELEMENTS,
2532     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2533     " ", "percentage",                  "use percentage for random elements"
2534   },
2535   {
2536     -1,                                 ED_COUNTER2_YPOS(8),
2537     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2538     RADIO_NR_RANDOM_ELEMENTS,
2539     &random_placement_method,           RANDOM_USE_QUANTITY,
2540     " ", "quantity",                    "use quantity for random elements"
2541   }
2542 };
2543
2544 static struct
2545 {
2546   int x, y;
2547   int gadget_id;
2548   int gadget_id_align;
2549   boolean *value;
2550   char *text_left, *text_right, *infotext;
2551 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2552 {
2553   /* ---------- level and editor settings ---------------------------------- */
2554
2555   {
2556     ED_LEVEL_SETTINGS_XPOS(0),          ED_COUNTER2_YPOS(9) - MINI_TILEY,
2557     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2558     &random_placement_background_restricted,
2559     NULL,
2560     "restrict random placement to:",    "set random placement restriction"
2561   },
2562
2563   /* ---------- element settings: configure (various elements) ------------- */
2564
2565   {
2566     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2567     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2568     &stick_element_properties_window,
2569     NULL,
2570     "stick this screen to edit content","stick this screen to edit content"
2571   },
2572   {
2573     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2574     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2575     &level.em_slippery_gems,
2576     NULL,
2577     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2578   },
2579   {
2580     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2581     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2582     &level.use_spring_bug,
2583     NULL,
2584     "use spring pushing bug",           "use odd spring pushing behaviour"
2585   },
2586   {
2587     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2588     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2589     &level.use_time_orb_bug,
2590     NULL,
2591     "use time orb bug",                 "use odd time orb behaviour"
2592   },
2593   {
2594     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2595     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2596     &level.ball_random,
2597     NULL,
2598     "create single random element",     "only create one element from content"
2599   },
2600   {
2601     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2602     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2603     &level.ball_state_initial,
2604     NULL,
2605     "magic ball initially activated",   "activate magic ball after level start"
2606   },
2607   {
2608     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2609     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2610     &level.grow_into_diggable,
2611     NULL,
2612     "can grow into anything diggable",  "grow into more than just sand"
2613   },
2614   {
2615     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2616     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2617     &level.continuous_snapping,
2618     NULL,
2619     "continuos snapping",               "use snapping without releasing key"
2620   },
2621   {
2622     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2623     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2624     &level.block_snap_field,
2625     NULL,
2626     "block snapped field when snapping", "use snapping delay to show animation"
2627   },
2628   {
2629     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2630     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2631     &level.block_last_field,
2632     NULL,
2633     "block last field when moving",     "player blocks last field when moving"
2634   },
2635   {
2636     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2637     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2638     &level.sp_block_last_field,
2639     NULL,
2640     "block last field when moving",     "player blocks last field when moving"
2641   },
2642   {
2643     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2644     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2645     &level.instant_relocation,
2646     NULL,
2647     "no scrolling when relocating",     "player gets relocated without delay"
2648   },
2649   {
2650     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2651     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2652     &level.shifted_relocation,
2653     NULL,
2654     "no centering when relocating",     "level not centered after relocation"
2655   },
2656   {
2657     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2658     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2659     &level.use_start_element[0],
2660     NULL,
2661     "use level start element:",        "start level at this element's position"
2662   },
2663   {
2664     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2665     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2666     &level.use_artwork_element[0],
2667     NULL,
2668     "use artwork from element:",        "use player artwork from other element"
2669   },
2670   {
2671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2672     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2673     &level.use_explosion_element[0],
2674     NULL,
2675     "use explosion from element:",      "use explosion properties from element"
2676   },
2677   {
2678     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2679     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2680     &level.initial_player_gravity[0],
2681     NULL,
2682     "use initial gravity",              "set initial player gravity"
2683   },
2684   {
2685     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2686     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2687     &level.use_initial_inventory[0],
2688     NULL,
2689     "use initial inventory:",           "use collected elements on level start"
2690   },
2691   {
2692     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2693     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2694     &level.can_pass_to_walkable,
2695     NULL,
2696     "can pass to walkable element",     "player can pass to empty or walkable"
2697   },
2698   {
2699     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2700     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2701     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2702     NULL,
2703     "can fall into acid (with gravity)","player can fall into acid pool"
2704   },
2705   {
2706     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2707     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2708     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2709     NULL,
2710     "can move into acid",               "element can move into acid pool"
2711   },
2712   {
2713     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2714     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2715     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2716     NULL,
2717     "deadly when colliding with",       "element is deadly when hitting player"
2718   },
2719   {
2720     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2721     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2722     &level.envelope[0].autowrap,
2723     NULL,
2724     "auto-wrap",                        "automatically wrap envelope text"
2725   },
2726   {
2727     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2728     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2729     &level.envelope[0].centered,
2730     " ",
2731     "centered",                         "automatically center envelope text"
2732   },
2733
2734   /* ---------- element settings: configure 1 (custom elements) ----------- */
2735
2736   {
2737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2738     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2739     &custom_element.use_gfx_element,
2740
2741     /* !!! add separate "use existing element sound" !!! */
2742 #if 0
2743     NULL,
2744     "use graphic/sound of element:",    "use existing graphic and sound"
2745 #else
2746     NULL,
2747     "use graphic of element:",          "use existing element graphic"
2748 #endif
2749   },
2750   {
2751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2752     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2753     &level.use_custom_template,
2754     NULL,
2755     "use template",                     "use template for custom properties"
2756   },
2757   {
2758     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2759     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2760     &custom_element_properties[EP_ACCESSIBLE],
2761     NULL,
2762     NULL,                               "player can walk to or pass this field"
2763   },
2764   {
2765     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2766     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2767     &custom_element_properties[EP_GRAVITY_REACHABLE],
2768     NULL,
2769     "reachable despite gravity",        "player can walk/dig despite gravity"
2770   },
2771   {
2772     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2773     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2774     &custom_element.use_last_ce_value,
2775     NULL,
2776     "use last CE value after change",   "use last CE value after change"
2777   },
2778   {
2779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2780     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2781     &custom_element_properties[EP_WALK_TO_OBJECT],
2782     NULL,
2783     NULL,                               "player can dig/collect/push element"
2784   },
2785   {
2786     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2787     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2788     &custom_element_properties[EP_INDESTRUCTIBLE],
2789     NULL,
2790     "indestructible",                   "element is indestructible"
2791   },
2792
2793   /* ---------- element settings: configure 2 (custom elements) ----------- */
2794
2795   {
2796     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2797     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2798     &custom_element_properties[EP_CAN_MOVE],
2799     NULL,
2800     NULL,                               "element can move with some pattern"
2801   },
2802   {
2803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2804     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2805     &custom_element_properties[EP_CAN_FALL],
2806     NULL,
2807     "can fall",                         "element can fall down"
2808   },
2809   {
2810     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2811     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2812     &custom_element_properties[EP_CAN_SMASH],
2813     " ",
2814     NULL,                               "element can smash other elements"
2815   },
2816   {
2817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2818     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2819     &custom_element_properties[EP_SLIPPERY],
2820     NULL,
2821     NULL,                               "other elements can fall down from it"
2822   },
2823   {
2824     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2825     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2826     &custom_element_properties[EP_DEADLY],
2827     NULL,
2828     NULL,                               "element can kill the player"
2829   },
2830   {
2831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2832     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2833     &custom_element_properties[EP_CAN_EXPLODE],
2834     NULL,
2835     NULL,                               "element can explode"
2836   },
2837   {
2838     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2839     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2840     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2841     NULL,
2842     "by fire",                          "element can explode by fire/explosion"
2843   },
2844   {
2845     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2846     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2847     &custom_element_properties[EP_EXPLODES_SMASHED],
2848     " ",
2849     "smashed",                          "element can explode when smashed"
2850   },
2851   {
2852     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2853     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2854     &custom_element_properties[EP_EXPLODES_IMPACT],
2855     " ",
2856     "impact",                           "element can explode on impact"
2857   },
2858
2859   /* ---------- element settings: advanced (custom elements) --------------- */
2860
2861   {
2862     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2863     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2864     &custom_element_change.can_change,
2865     NULL,
2866     "element changes to:",              "change element on specified condition"
2867   },
2868   {
2869     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2870     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2871     &custom_element_change_events[CE_DELAY],
2872     NULL,
2873     NULL,                               "element changes after delay"
2874   },
2875   {
2876     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2877     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2878     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2879     NULL,
2880     NULL,                               "element changes by direct action"
2881   },
2882   {
2883     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2884     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2885     &custom_element_change_events[CE_BY_OTHER_ACTION],
2886     NULL,
2887     NULL,                               "element changes by other element"
2888   },
2889   {
2890     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2891     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2892     &custom_element_change.explode,
2893     NULL,
2894     "explode instead of change",        "element explodes instead of change"
2895   },
2896   {
2897     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2898     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2899     &custom_element_change.use_target_content,
2900     NULL,
2901     "use extended change target:",      "element changes to more elements"
2902   },
2903   {
2904     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2905     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2906     &custom_element_change.only_if_complete,
2907     NULL,
2908     "replace all or nothing",           "only replace when all can be changed"
2909   },
2910   {
2911     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
2912     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2913     &custom_element_change.use_random_replace,
2914     NULL,
2915     NULL,                               "use percentage for random replace"
2916   },
2917   {
2918     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2919     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
2920     &custom_element_change.has_action,
2921     NULL,
2922     NULL,                               "execute action on specified condition"
2923   },
2924 };
2925
2926 static struct
2927 {
2928   int x, y;
2929   int gadget_id;
2930   int gadget_id_align;
2931   int *value;
2932   int area_xsize, area_ysize;
2933   char *text_left, *text_right, *text_below, *infotext;
2934 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2935 {
2936   /* ---------- level playfield content ------------------------------------ */
2937
2938   {
2939     0,                                  0,
2940     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
2941     NULL,                               MAX_ED_FIELDX, MAX_ED_FIELDY,
2942     NULL, NULL, NULL,                   NULL
2943   },
2944
2945   /* ---------- yam yam content -------------------------------------------- */
2946
2947   {
2948     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
2949     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
2950     &level.yamyam_content[0].e[0][0],   3, 3,
2951     NULL, NULL, "1",                    NULL
2952   },
2953   {
2954     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
2955     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
2956     &level.yamyam_content[1].e[0][0],   3, 3,
2957     NULL, NULL, "2",                    NULL
2958   },
2959   {
2960     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
2961     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
2962     &level.yamyam_content[2].e[0][0],   3, 3,
2963     NULL, NULL, "3",                    NULL
2964   },
2965   {
2966     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
2967     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
2968     &level.yamyam_content[3].e[0][0],   3, 3,
2969     NULL, NULL, "4",                    NULL
2970   },
2971   {
2972     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
2973     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
2974     &level.yamyam_content[4].e[0][0],   3, 3,
2975     NULL, NULL, "5",                    NULL
2976   },
2977   {
2978     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
2979     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
2980     &level.yamyam_content[5].e[0][0],   3, 3,
2981     NULL, NULL, "6",                    NULL
2982   },
2983   {
2984     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
2985     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
2986     &level.yamyam_content[6].e[0][0],   3, 3,
2987     NULL, NULL, "7",                    NULL
2988   },
2989   {
2990     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
2991     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
2992     &level.yamyam_content[7].e[0][0],   3, 3,
2993     NULL, NULL, "8",                    NULL
2994   },
2995
2996   /* ---------- magic ball content ----------------------------------------- */
2997
2998   {
2999     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3000     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3001     &level.ball_content[0].e[0][0],     3, 3,
3002     NULL, NULL, "1",                    NULL
3003   },
3004   {
3005     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3006     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3007     &level.ball_content[1].e[0][0],     3, 3,
3008     NULL, NULL, "2",                    NULL
3009   },
3010   {
3011     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3012     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3013     &level.ball_content[2].e[0][0],     3, 3,
3014     NULL, NULL, "3",                    NULL
3015   },
3016   {
3017     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3018     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3019     &level.ball_content[3].e[0][0],     3, 3,
3020     NULL, NULL, "4",                    NULL
3021   },
3022   {
3023     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3024     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3025     &level.ball_content[4].e[0][0],     3, 3,
3026     NULL, NULL, "5",                    NULL
3027   },
3028   {
3029     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3030     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3031     &level.ball_content[5].e[0][0],     3, 3,
3032     NULL, NULL, "6",                    NULL
3033   },
3034   {
3035     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3036     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3037     &level.ball_content[6].e[0][0],     3, 3,
3038     NULL, NULL, "7",                    NULL
3039   },
3040   {
3041     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3042     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3043     &level.ball_content[7].e[0][0],     3, 3,
3044     NULL, NULL, "8",                    NULL
3045   },
3046
3047   /* ---------- android content -------------------------------------------- */
3048
3049   {
3050     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3051     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3052     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3053     "elements:", NULL, NULL,            "elements android can clone"
3054   },
3055
3056   /* ---------- amoeba content --------------------------------------------- */
3057
3058   {
3059     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3060     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3061     &level.amoeba_content,              1, 1,
3062     "content:", NULL, NULL,             "amoeba content"
3063   },
3064
3065   /* ---------- level start element ---------------------------------------- */
3066
3067   {
3068     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3069     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3070     &level.start_element[0],            1, 1,
3071     NULL, NULL, NULL,                   "level start element"
3072   },
3073
3074   /* ---------- player artwork element ------------------------------------- */
3075
3076   {
3077     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3078     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3079     &level.artwork_element[0],          1, 1,
3080     NULL, NULL, NULL,                   "element for player artwork"
3081   },
3082
3083   /* ---------- player explosion element ----------------------------------- */
3084
3085   {
3086     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3087     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3088     &level.explosion_element[0],        1, 1,
3089     NULL, NULL, NULL,                   "element for player explosion"
3090   },
3091
3092   /* ---------- player initial inventory ----------------------------------- */
3093
3094   {
3095     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3096     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3097     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3098     NULL, NULL, NULL,                   "content for initial inventory"
3099   },
3100
3101   /* ---------- element settings: configure 1 (custom elements) ----------- */
3102
3103   /* ---------- custom graphic --------------------------------------------- */
3104
3105   {
3106     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3107     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3108     &custom_element.gfx_element_initial,1, 1,
3109     NULL, NULL, NULL,                   "custom graphic element"
3110   },
3111
3112   /* ---------- element settings: configure 2 (custom elements) ----------- */
3113
3114   /* ---------- custom content (when exploding) ---------------------------- */
3115
3116   {
3117     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3118     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3119     &custom_element.content.e[0][0],    3, 3,
3120     "content:", NULL, NULL,             NULL
3121   },
3122
3123   /* ---------- custom enter and leave element (when moving) --------------- */
3124
3125   {
3126     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3127     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3128     &custom_element.move_enter_element, 1, 1,
3129     "can dig:", " ", NULL,              "element that can be digged/collected"
3130   },
3131   {
3132     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3133     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3134     &custom_element.move_leave_element, 1, 1,
3135     NULL, NULL, NULL,                   "element that will be left behind"
3136   },
3137
3138   /* ---------- element settings: advanced (custom elements) --------------- */
3139
3140   /* ---------- custom change target --------------------------------------- */
3141
3142   {
3143     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3144     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3145     &custom_element_change.target_element, 1, 1,
3146     NULL, "after/when:", NULL,          "new target element after change"
3147   },
3148
3149   /* ---------- custom change content (extended change target) ------------- */
3150
3151   {
3152     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3153     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3154     &custom_element_change.target_content.e[0][0], 3, 3,
3155     NULL, NULL, NULL,                   "new extended elements after change"
3156   },
3157
3158   /* ---------- custom change trigger (element causing change) ------------- */
3159
3160   {
3161     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3162     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3163     &custom_element_change.initial_trigger_element, 1, 1,
3164     NULL, NULL, NULL,                   "other element triggering change"
3165   },
3166
3167   /* ---------- custom change action (element used for action) ------------- */
3168
3169   {
3170     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3171     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3172     &custom_element_change.action_element, 1, 1,
3173     NULL, NULL, NULL,                   "element used as action parameter"
3174   },
3175
3176   /* ---------- group element content -------------------------------------- */
3177
3178   {
3179     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3180     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3181     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3182     "content:", NULL, NULL,             NULL
3183   },
3184
3185   /* ---------- random background (for random painting) -------------------- */
3186
3187   {
3188     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3189     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3190     &random_placement_background_element, 1, 1,
3191     NULL, NULL, NULL,                   "random placement background"
3192   },
3193 };
3194
3195
3196 /*
3197   -----------------------------------------------------------------------------
3198   some internally used variables
3199   -----------------------------------------------------------------------------
3200 */
3201
3202 /* actual size of level editor drawing area */
3203 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
3204
3205 /* actual position of level editor drawing area in level playfield */
3206 static int level_xpos = -1, level_ypos = -1;
3207
3208 #if 1
3209 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3210 #else
3211 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
3212 #endif
3213
3214 /* drawing elements on the three mouse buttons */
3215 static int new_element1 = EL_WALL;
3216 static int new_element2 = EL_EMPTY;
3217 static int new_element3 = EL_SAND;
3218
3219 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3220 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3221                                 (button) == 2 ? new_element2 : \
3222                                 (button) == 3 ? new_element3 : EL_EMPTY)
3223 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3224
3225 /* forward declaration for internal use */
3226 static void ModifyEditorCounterValue(int, int);
3227 static void ModifyEditorCounterLimits(int, int, int);
3228 static void ModifyEditorSelectboxValue(int, int);
3229 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3230 static void ModifyEditorDrawingArea(int, int, int);
3231 static void ModifyEditorElementList();
3232 static void AdjustElementListScrollbar();
3233 static void RedrawDrawingElements();
3234 static void DrawDrawingWindow();
3235 static void DrawLevelInfoWindow();
3236 static void DrawPropertiesWindow();
3237 static void UpdateCustomElementGraphicGadgets();
3238 static boolean checkPropertiesConfig(int);
3239 static void CopyLevelToUndoBuffer(int);
3240 static void HandleDrawingAreas(struct GadgetInfo *);
3241 static void HandleCounterButtons(struct GadgetInfo *);
3242 static void HandleTextInputGadgets(struct GadgetInfo *);
3243 static void HandleTextAreaGadgets(struct GadgetInfo *);
3244 static void HandleSelectboxGadgets(struct GadgetInfo *);
3245 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3246 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3247 static void HandleRadiobuttons(struct GadgetInfo *);
3248 static void HandleCheckbuttons(struct GadgetInfo *);
3249 static void HandleControlButtons(struct GadgetInfo *);
3250 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3251 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3252
3253 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
3254 static int right_gadget_border[NUM_EDITOR_GADGETS];
3255
3256 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3257 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3258 static boolean draw_with_brush = FALSE;
3259 static int properties_element = 0;
3260
3261 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3262 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3263 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3264 static int undo_buffer_position = 0;
3265 static int undo_buffer_steps = 0;
3266
3267 static int edit_mode;
3268 static int edit_mode_properties;
3269
3270 static int element_shift = 0;
3271
3272 static int editor_el_players[] =
3273 {
3274   EL_PLAYER_1,
3275   EL_PLAYER_2,
3276   EL_PLAYER_3,
3277   EL_PLAYER_4
3278 };
3279 static int *editor_el_players_ptr = editor_el_players;
3280 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3281
3282 static int editor_hl_boulderdash[] =
3283 {
3284   EL_INTERNAL_CASCADE_BD_ACTIVE,
3285   EL_CHAR('B'),
3286   EL_CHAR('D'),
3287   EL_EMPTY,
3288 };
3289
3290 static int editor_el_boulderdash[] =
3291 {
3292   EL_EMPTY,
3293   EL_SAND,
3294   EL_BD_ROCK,
3295   EL_BD_DIAMOND,
3296
3297   EL_STEELWALL,
3298   EL_BD_WALL,
3299   EL_BD_EXPANDABLE_WALL,
3300   EL_BD_MAGIC_WALL,
3301
3302   EL_BD_AMOEBA,
3303   EL_BD_BUTTERFLY_UP,
3304   EL_BD_FIREFLY_UP,
3305   EL_EXIT_CLOSED,
3306
3307   EL_BD_BUTTERFLY_LEFT,
3308   EL_BD_FIREFLY_LEFT,
3309   EL_BD_BUTTERFLY_RIGHT,
3310   EL_BD_FIREFLY_RIGHT,
3311
3312   EL_EMPTY,
3313   EL_BD_BUTTERFLY_DOWN,
3314   EL_BD_FIREFLY_DOWN,
3315   EL_EXIT_OPEN,
3316 };
3317 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3318 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3319 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3320 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3321
3322 static int editor_hl_emerald_mine[] =
3323 {
3324   EL_INTERNAL_CASCADE_EM_ACTIVE,
3325   EL_CHAR('E'),
3326   EL_CHAR('M'),
3327   EL_EMPTY,
3328 };
3329
3330 static int editor_el_emerald_mine[] =
3331 {
3332   EL_SAND,
3333   EL_ROCK,
3334   EL_QUICKSAND_EMPTY,
3335   EL_QUICKSAND_FULL,
3336
3337   EL_STEELWALL,
3338   EL_WALL,
3339   EL_WALL_SLIPPERY,
3340   EL_MAGIC_WALL,
3341
3342   EL_EMERALD,
3343   EL_DIAMOND,
3344   EL_NUT,
3345   EL_BOMB,
3346
3347   EL_WALL_EMERALD,
3348   EL_WALL_DIAMOND,
3349   EL_DYNAMITE,
3350   EL_DYNAMITE_ACTIVE,
3351
3352   EL_YAMYAM,
3353   EL_BUG_UP,
3354   EL_SPACESHIP_UP,
3355   EL_ROBOT,
3356
3357   EL_BUG_LEFT,
3358   EL_SPACESHIP_LEFT,
3359   EL_BUG_RIGHT,
3360   EL_SPACESHIP_RIGHT,
3361
3362   EL_ROBOT_WHEEL,
3363   EL_BUG_DOWN,
3364   EL_SPACESHIP_DOWN,
3365   EL_INVISIBLE_WALL,
3366
3367   EL_ACID_POOL_TOPLEFT,
3368   EL_ACID,
3369   EL_ACID_POOL_TOPRIGHT,
3370   EL_AMOEBA_DROP,
3371
3372   EL_ACID_POOL_BOTTOMLEFT,
3373   EL_ACID_POOL_BOTTOM,
3374   EL_ACID_POOL_BOTTOMRIGHT,
3375   EL_AMOEBA_WET,
3376
3377   EL_EM_KEY_1,
3378   EL_EM_KEY_2,
3379   EL_EM_KEY_3,
3380   EL_EM_KEY_4,
3381
3382   EL_EM_GATE_1,
3383   EL_EM_GATE_2,
3384   EL_EM_GATE_3,
3385   EL_EM_GATE_4,
3386
3387   EL_EM_GATE_1_GRAY,
3388   EL_EM_GATE_2_GRAY,
3389   EL_EM_GATE_3_GRAY,
3390   EL_EM_GATE_4_GRAY,
3391
3392   EL_EM_EXIT_CLOSED,
3393   EL_EM_EXIT_OPEN,
3394   EL_EM_STEEL_EXIT_CLOSED,
3395   EL_EM_STEEL_EXIT_OPEN,
3396 };
3397 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3398 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3399 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3400 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3401
3402 static int editor_hl_emerald_mine_club[] =
3403 {
3404   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3405   EL_CHAR('E'),
3406   EL_CHAR('M'),
3407   EL_CHAR('C'),
3408 };
3409
3410 static int editor_el_emerald_mine_club[] =
3411 {
3412   EL_EMC_KEY_5,
3413   EL_EMC_KEY_6,
3414   EL_EMC_KEY_7,
3415   EL_EMC_KEY_8,
3416
3417   EL_EMC_GATE_5,
3418   EL_EMC_GATE_6,
3419   EL_EMC_GATE_7,
3420   EL_EMC_GATE_8,
3421
3422   EL_EMC_GATE_5_GRAY,
3423   EL_EMC_GATE_6_GRAY,
3424   EL_EMC_GATE_7_GRAY,
3425   EL_EMC_GATE_8_GRAY,
3426
3427   EL_EMC_STEELWALL_1,
3428   EL_EMC_STEELWALL_2,
3429   EL_EMC_STEELWALL_3,
3430   EL_EMC_STEELWALL_4,
3431
3432   EL_EMC_WALL_13,
3433   EL_EMC_WALL_14,
3434   EL_EMC_WALL_15,
3435   EL_EMC_WALL_16,
3436
3437   EL_EMC_WALL_SLIPPERY_1,
3438   EL_EMC_WALL_SLIPPERY_2,
3439   EL_EMC_WALL_SLIPPERY_3,
3440   EL_EMC_WALL_SLIPPERY_4,
3441
3442   EL_EMC_WALL_1,
3443   EL_EMC_WALL_2,
3444   EL_EMC_WALL_3,
3445   EL_EMC_WALL_4,
3446
3447   EL_EMC_WALL_5,
3448   EL_EMC_WALL_6,
3449   EL_EMC_WALL_7,
3450   EL_EMC_WALL_8,
3451
3452   EL_EMC_WALL_9,
3453   EL_EMC_WALL_10,
3454   EL_EMC_WALL_11,
3455   EL_EMC_WALL_12,
3456
3457   EL_EMC_GRASS,
3458   EL_EMC_FAKE_GRASS,
3459   EL_EMC_PLANT,
3460   EL_EMC_DRIPPER,
3461
3462   EL_EMC_MAGIC_BALL,
3463   EL_EMC_MAGIC_BALL_SWITCH,
3464   EL_SPRING,
3465   EL_EMC_SPRING_BUMPER,
3466
3467   EL_EMC_LENSES,
3468   EL_EMC_MAGNIFIER,
3469   EL_EM_DYNAMITE,
3470   EL_EM_DYNAMITE_ACTIVE,
3471
3472   EL_BALLOON,
3473   EL_YAMYAM_UP,
3474   EL_BALLOON_SWITCH_UP,
3475   EL_BALLOON_SWITCH_ANY,
3476
3477   EL_YAMYAM_LEFT,
3478   EL_BALLOON_SWITCH_LEFT,
3479   EL_YAMYAM_RIGHT,
3480   EL_BALLOON_SWITCH_RIGHT,
3481
3482   EL_EMC_ANDROID,
3483   EL_YAMYAM_DOWN,
3484   EL_BALLOON_SWITCH_DOWN,
3485   EL_BALLOON_SWITCH_NONE,
3486 };
3487 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3488 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3489 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3490 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3491
3492 static int editor_hl_rnd[] =
3493 {
3494   EL_INTERNAL_CASCADE_RND_ACTIVE,
3495   EL_CHAR('R'),
3496   EL_CHAR('N'),
3497   EL_CHAR('D'),
3498 };
3499
3500 static int editor_el_rnd[] =
3501 {
3502   EL_KEY_1,
3503   EL_KEY_2,
3504   EL_KEY_3,
3505   EL_KEY_4,
3506
3507   EL_GATE_1,
3508   EL_GATE_2,
3509   EL_GATE_3,
3510   EL_GATE_4,
3511
3512   EL_GATE_1_GRAY,
3513   EL_GATE_2_GRAY,
3514   EL_GATE_3_GRAY,
3515   EL_GATE_4_GRAY,
3516
3517   EL_ARROW_LEFT,
3518   EL_ARROW_RIGHT,
3519   EL_ARROW_UP,
3520   EL_ARROW_DOWN,
3521
3522   EL_AMOEBA_DEAD,
3523   EL_AMOEBA_DRY,
3524   EL_AMOEBA_FULL,
3525   EL_GAME_OF_LIFE,
3526
3527   EL_EMERALD_YELLOW,
3528   EL_EMERALD_RED,
3529   EL_EMERALD_PURPLE,
3530   EL_BIOMAZE,
3531
3532   EL_WALL_EMERALD_YELLOW,
3533   EL_WALL_EMERALD_RED,
3534   EL_WALL_EMERALD_PURPLE,
3535   EL_WALL_BD_DIAMOND,
3536
3537   EL_SPEED_PILL,
3538   EL_PACMAN_UP,
3539   EL_TIME_ORB_FULL,
3540   EL_TIME_ORB_EMPTY,
3541
3542   EL_PACMAN_LEFT,
3543   EL_DARK_YAMYAM,
3544   EL_PACMAN_RIGHT,
3545   EL_EMPTY,
3546
3547   EL_BLACK_ORB,
3548   EL_PACMAN_DOWN,
3549   EL_LAMP,
3550   EL_LAMP_ACTIVE,
3551
3552   EL_DYNABOMB_INCREASE_NUMBER,
3553   EL_DYNABOMB_INCREASE_SIZE,
3554   EL_DYNABOMB_INCREASE_POWER,
3555   EL_STONEBLOCK,
3556
3557   EL_MOLE,
3558   EL_PENGUIN,
3559   EL_PIG,
3560   EL_DRAGON,
3561
3562   EL_BUG,
3563   EL_MOLE_UP,
3564   EL_BD_BUTTERFLY,
3565   EL_BD_FIREFLY,
3566
3567   EL_MOLE_LEFT,
3568   EL_SATELLITE,
3569   EL_MOLE_RIGHT,
3570   EL_PACMAN,
3571
3572   EL_SPACESHIP,
3573   EL_MOLE_DOWN,
3574   EL_INVISIBLE_STEELWALL,
3575   EL_INVISIBLE_WALL,
3576
3577   EL_EXPANDABLE_WALL,
3578   EL_EXPANDABLE_WALL_HORIZONTAL,
3579   EL_EXPANDABLE_WALL_VERTICAL,
3580   EL_EXPANDABLE_WALL_ANY,
3581 };
3582 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3583 static int *editor_el_rnd_ptr = editor_el_rnd;
3584 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3585 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3586
3587 static int editor_hl_sokoban[] =
3588 {
3589   EL_INTERNAL_CASCADE_SB_ACTIVE,
3590   EL_CHAR('S'),
3591   EL_CHAR('B'),
3592   EL_EMPTY,
3593 };
3594
3595 static int editor_el_sokoban[] =
3596 {
3597   EL_SOKOBAN_OBJECT,
3598   EL_SOKOBAN_FIELD_EMPTY,
3599   EL_SOKOBAN_FIELD_FULL,
3600   EL_SOKOBAN_FIELD_PLAYER,
3601 };
3602 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3603 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3604 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3605 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3606
3607 static int editor_hl_supaplex[] =
3608 {
3609   EL_INTERNAL_CASCADE_SP_ACTIVE,
3610   EL_CHAR('S'),
3611   EL_CHAR('P'),
3612   EL_EMPTY,
3613 };
3614
3615 static int editor_el_supaplex[] =
3616 {
3617   EL_SP_MURPHY,
3618   EL_EMPTY,
3619   EL_SP_BASE,
3620   EL_SP_BUGGY_BASE,
3621
3622   EL_SP_INFOTRON,
3623   EL_SP_ZONK,
3624   EL_SP_SNIKSNAK,
3625   EL_SP_ELECTRON,
3626
3627   EL_SP_DISK_RED,
3628   EL_SP_DISK_ORANGE,
3629   EL_SP_DISK_YELLOW,
3630   EL_SP_TERMINAL,
3631
3632   EL_SP_EXIT_CLOSED,
3633   EL_SP_PORT_HORIZONTAL,
3634   EL_SP_PORT_VERTICAL,
3635   EL_SP_PORT_ANY,
3636
3637   EL_SP_PORT_LEFT,
3638   EL_SP_PORT_RIGHT,
3639   EL_SP_PORT_UP,
3640   EL_SP_PORT_DOWN,
3641
3642   EL_SP_GRAVITY_PORT_LEFT,
3643   EL_SP_GRAVITY_PORT_RIGHT,
3644   EL_SP_GRAVITY_PORT_UP,
3645   EL_SP_GRAVITY_PORT_DOWN,
3646
3647   EL_SP_HARDWARE_GRAY,
3648   EL_SP_HARDWARE_GREEN,
3649   EL_SP_HARDWARE_BLUE,
3650   EL_SP_HARDWARE_RED,
3651
3652   EL_SP_HARDWARE_BASE_1,
3653   EL_SP_HARDWARE_BASE_2,
3654   EL_SP_HARDWARE_BASE_3,
3655   EL_SP_HARDWARE_BASE_4,
3656
3657   EL_SP_HARDWARE_BASE_5,
3658   EL_SP_HARDWARE_BASE_6,
3659   EL_SP_HARDWARE_YELLOW,
3660   EL_SP_CHIP_TOP,
3661
3662   EL_SP_CHIP_SINGLE,
3663   EL_SP_CHIP_LEFT,
3664   EL_SP_CHIP_RIGHT,
3665   EL_SP_CHIP_BOTTOM,
3666 };
3667 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3668 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3669 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3670 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3671
3672 static int editor_hl_diamond_caves[] =
3673 {
3674   EL_INTERNAL_CASCADE_DC_ACTIVE,
3675   EL_CHAR('D'),
3676   EL_CHAR('C'),
3677   EL_CHAR('2'),
3678 };
3679
3680 static int editor_el_diamond_caves[] =
3681 {
3682   EL_PEARL,
3683   EL_CRYSTAL,
3684   EL_WALL_PEARL,
3685   EL_WALL_CRYSTAL,
3686
3687   EL_CONVEYOR_BELT_1_LEFT,
3688   EL_CONVEYOR_BELT_1_MIDDLE,
3689   EL_CONVEYOR_BELT_1_RIGHT,
3690   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3691
3692   EL_CONVEYOR_BELT_2_LEFT,
3693   EL_CONVEYOR_BELT_2_MIDDLE,
3694   EL_CONVEYOR_BELT_2_RIGHT,
3695   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3696
3697   EL_CONVEYOR_BELT_3_LEFT,
3698   EL_CONVEYOR_BELT_3_MIDDLE,
3699   EL_CONVEYOR_BELT_3_RIGHT,
3700   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3701
3702   EL_CONVEYOR_BELT_4_LEFT,
3703   EL_CONVEYOR_BELT_4_MIDDLE,
3704   EL_CONVEYOR_BELT_4_RIGHT,
3705   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3706
3707   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3708   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3709   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3710   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3711
3712   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3713   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3714   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3715   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3716
3717   EL_TIMEGATE_CLOSED,
3718   EL_TIMEGATE_OPEN,
3719   EL_TIMEGATE_SWITCH,
3720   EL_DC_TIMEGATE_SWITCH,
3721
3722   EL_SWITCHGATE_CLOSED,
3723   EL_SWITCHGATE_OPEN,
3724   EL_SWITCHGATE_SWITCH_UP,
3725   EL_SWITCHGATE_SWITCH_DOWN,
3726
3727   EL_LIGHT_SWITCH,
3728   EL_LIGHT_SWITCH_ACTIVE,
3729   EL_DC_SWITCHGATE_SWITCH_UP,
3730   EL_DC_SWITCHGATE_SWITCH_DOWN,
3731
3732   EL_STEEL_EXIT_CLOSED,
3733   EL_STEEL_EXIT_OPEN,
3734   EL_STEELWALL_SLIPPERY,
3735   EL_INVISIBLE_SAND,
3736
3737   EL_QUICKSAND_FAST_EMPTY,
3738   EL_QUICKSAND_FAST_FULL,
3739   EL_LANDMINE,
3740   EL_DC_LANDMINE,
3741
3742   EL_SHIELD_NORMAL,
3743   EL_SHIELD_DEADLY,
3744   EL_EXTRA_TIME,
3745   EL_DC_MAGIC_WALL,
3746
3747   EL_ENVELOPE_1,
3748   EL_ENVELOPE_2,
3749   EL_ENVELOPE_3,
3750   EL_ENVELOPE_4,
3751
3752   EL_SIGN_RADIOACTIVITY,
3753   EL_SIGN_WHEELCHAIR,
3754   EL_SIGN_PARKING,
3755   EL_SIGN_NO_ENTRY,
3756
3757   EL_SIGN_GIVE_WAY,
3758   EL_SIGN_ENTRY_FORBIDDEN,
3759   EL_SIGN_EMERGENCY_EXIT,
3760   EL_SIGN_YIN_YANG,
3761
3762 #if 0
3763   EL_SIGN_SPERMS,
3764   EL_SIGN_BULLET,
3765   EL_SIGN_HEART,
3766   EL_SIGN_CROSS,
3767
3768   EL_SIGN_FRANKIE,
3769   EL_EMPTY,
3770   EL_EMPTY,
3771   EL_EMPTY,
3772
3773   EL_SPERMS,
3774   EL_BULLET,
3775   EL_HEART,
3776   EL_CROSS,
3777
3778   EL_FRANKIE,
3779   EL_EMPTY,
3780   EL_EMPTY,
3781   EL_EMPTY,
3782 #endif
3783
3784   EL_DC_STEELWALL_2_SINGLE,
3785   EL_DC_STEELWALL_2_TOP,
3786   EL_SIGN_EXCLAMATION,
3787   EL_SIGN_STOP,
3788
3789   EL_DC_STEELWALL_2_LEFT,
3790   EL_DC_STEELWALL_2_MIDDLE,
3791   EL_DC_STEELWALL_2_HORIZONTAL,
3792   EL_DC_STEELWALL_2_RIGHT,
3793
3794   EL_DC_STEELWALL_1_TOPLEFT,
3795   EL_DC_STEELWALL_2_VERTICAL,
3796   EL_DC_STEELWALL_1_TOPRIGHT,
3797   EL_DC_GATE_WHITE,
3798
3799   EL_DC_STEELWALL_1_VERTICAL,
3800   EL_DC_STEELWALL_2_BOTTOM,
3801   EL_DC_KEY_WHITE,
3802   EL_DC_GATE_WHITE_GRAY,
3803
3804   EL_DC_STEELWALL_1_BOTTOMLEFT,
3805   EL_DC_STEELWALL_1_HORIZONTAL,
3806   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3807   EL_DC_GATE_FAKE_GRAY,
3808
3809   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3810   EL_DC_STEELWALL_1_BOTTOM,
3811   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3812   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3813
3814   EL_DC_STEELWALL_1_RIGHT,
3815   EL_EMPTY,
3816   EL_DC_STEELWALL_1_LEFT,
3817   EL_EXPANDABLE_STEELWALL_VERTICAL,
3818
3819   EL_DC_STEELWALL_1_TOPRIGHT_2,
3820   EL_DC_STEELWALL_1_TOP,
3821   EL_DC_STEELWALL_1_TOPLEFT_2,
3822   EL_EXPANDABLE_STEELWALL_ANY,
3823 };
3824 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3825 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3826 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3827 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3828
3829 static int editor_hl_dx_boulderdash[] =
3830 {
3831   EL_INTERNAL_CASCADE_DX_ACTIVE,
3832   EL_CHAR('D'),
3833   EL_CHAR('X'),
3834   EL_EMPTY,
3835 };
3836
3837 static int editor_el_dx_boulderdash[] =
3838 {
3839   EL_EMPTY,
3840   EL_TUBE_RIGHT_DOWN,
3841   EL_TUBE_HORIZONTAL_DOWN,
3842   EL_TUBE_LEFT_DOWN,
3843
3844   EL_TUBE_HORIZONTAL,
3845   EL_TUBE_VERTICAL_RIGHT,
3846   EL_TUBE_ANY,
3847   EL_TUBE_VERTICAL_LEFT,
3848
3849   EL_TUBE_VERTICAL,
3850   EL_TUBE_RIGHT_UP,
3851   EL_TUBE_HORIZONTAL_UP,
3852   EL_TUBE_LEFT_UP,
3853
3854   EL_TRAP,
3855   EL_DX_SUPABOMB,
3856   EL_EMPTY,
3857   EL_EMPTY
3858 };
3859 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3860 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3861 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3862 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3863
3864 static int editor_hl_chars[] =
3865 {
3866   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3867   EL_CHAR('T'),
3868   EL_CHAR('X'),
3869   EL_CHAR('T'),
3870 };
3871
3872 static int editor_el_chars[] =
3873 {
3874   EL_CHAR(' '),
3875   EL_CHAR('!'),
3876   EL_CHAR('"'),
3877   EL_CHAR('#'),
3878
3879   EL_CHAR('$'),
3880   EL_CHAR('%'),
3881   EL_CHAR('&'),
3882   EL_CHAR('\''),
3883
3884   EL_CHAR('('),
3885   EL_CHAR(')'),
3886   EL_CHAR('*'),
3887   EL_CHAR('+'),
3888
3889   EL_CHAR(','),
3890   EL_CHAR('-'),
3891   EL_CHAR('.'),
3892   EL_CHAR('/'),
3893
3894   EL_CHAR('0'),
3895   EL_CHAR('1'),
3896   EL_CHAR('2'),
3897   EL_CHAR('3'),
3898
3899   EL_CHAR('4'),
3900   EL_CHAR('5'),
3901   EL_CHAR('6'),
3902   EL_CHAR('7'),
3903
3904   EL_CHAR('8'),
3905   EL_CHAR('9'),
3906   EL_CHAR(':'),
3907   EL_CHAR(';'),
3908
3909   EL_CHAR('<'),
3910   EL_CHAR('='),
3911   EL_CHAR('>'),
3912   EL_CHAR('?'),
3913
3914   EL_CHAR('@'),
3915   EL_CHAR('A'),
3916   EL_CHAR('B'),
3917   EL_CHAR('C'),
3918
3919   EL_CHAR('D'),
3920   EL_CHAR('E'),
3921   EL_CHAR('F'),
3922   EL_CHAR('G'),
3923
3924   EL_CHAR('H'),
3925   EL_CHAR('I'),
3926   EL_CHAR('J'),
3927   EL_CHAR('K'),
3928
3929   EL_CHAR('L'),
3930   EL_CHAR('M'),
3931   EL_CHAR('N'),
3932   EL_CHAR('O'),
3933
3934   EL_CHAR('P'),
3935   EL_CHAR('Q'),
3936   EL_CHAR('R'),
3937   EL_CHAR('S'),
3938
3939   EL_CHAR('T'),
3940   EL_CHAR('U'),
3941   EL_CHAR('V'),
3942   EL_CHAR('W'),
3943
3944   EL_CHAR('X'),
3945   EL_CHAR('Y'),
3946   EL_CHAR('Z'),
3947   EL_CHAR('['),
3948
3949   EL_CHAR('\\'),
3950   EL_CHAR(']'),
3951   EL_CHAR('^'),
3952   EL_CHAR('_'),
3953
3954   EL_CHAR('©'),
3955   EL_CHAR('Ä'),
3956   EL_CHAR('Ö'),
3957   EL_CHAR('Ü'),
3958
3959   EL_CHAR('°'),
3960   EL_CHAR('®'),
3961   EL_CHAR(FONT_ASCII_CURSOR),
3962   EL_CHAR(FONT_ASCII_BUTTON),
3963
3964   EL_CHAR(FONT_ASCII_UP),
3965   EL_CHAR(FONT_ASCII_DOWN),
3966   EL_CHAR(' '),
3967   EL_CHAR(' ')
3968 };
3969 static int *editor_hl_chars_ptr = editor_hl_chars;
3970 static int *editor_el_chars_ptr = editor_el_chars;
3971 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
3972 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
3973
3974 static int editor_hl_steel_chars[] =
3975 {
3976   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
3977   EL_STEEL_CHAR('T'),
3978   EL_STEEL_CHAR('X'),
3979   EL_STEEL_CHAR('T'),
3980 };
3981
3982 static int editor_el_steel_chars[] =
3983 {
3984   EL_STEEL_CHAR(' '),
3985   EL_STEEL_CHAR('!'),
3986   EL_STEEL_CHAR('"'),
3987   EL_STEEL_CHAR('#'),
3988
3989   EL_STEEL_CHAR('$'),
3990   EL_STEEL_CHAR('%'),
3991   EL_STEEL_CHAR('&'),
3992   EL_STEEL_CHAR('\''),
3993
3994   EL_STEEL_CHAR('('),
3995   EL_STEEL_CHAR(')'),
3996   EL_STEEL_CHAR('*'),
3997   EL_STEEL_CHAR('+'),
3998
3999   EL_STEEL_CHAR(','),
4000   EL_STEEL_CHAR('-'),
4001   EL_STEEL_CHAR('.'),
4002   EL_STEEL_CHAR('/'),
4003
4004   EL_STEEL_CHAR('0'),
4005   EL_STEEL_CHAR('1'),
4006   EL_STEEL_CHAR('2'),
4007   EL_STEEL_CHAR('3'),
4008
4009   EL_STEEL_CHAR('4'),
4010   EL_STEEL_CHAR('5'),
4011   EL_STEEL_CHAR('6'),
4012   EL_STEEL_CHAR('7'),
4013
4014   EL_STEEL_CHAR('8'),
4015   EL_STEEL_CHAR('9'),
4016   EL_STEEL_CHAR(':'),
4017   EL_STEEL_CHAR(';'),
4018
4019   EL_STEEL_CHAR('<'),
4020   EL_STEEL_CHAR('='),
4021   EL_STEEL_CHAR('>'),
4022   EL_STEEL_CHAR('?'),
4023
4024   EL_STEEL_CHAR('@'),
4025   EL_STEEL_CHAR('A'),
4026   EL_STEEL_CHAR('B'),
4027   EL_STEEL_CHAR('C'),
4028
4029   EL_STEEL_CHAR('D'),
4030   EL_STEEL_CHAR('E'),
4031   EL_STEEL_CHAR('F'),
4032   EL_STEEL_CHAR('G'),
4033
4034   EL_STEEL_CHAR('H'),
4035   EL_STEEL_CHAR('I'),
4036   EL_STEEL_CHAR('J'),
4037   EL_STEEL_CHAR('K'),
4038
4039   EL_STEEL_CHAR('L'),
4040   EL_STEEL_CHAR('M'),
4041   EL_STEEL_CHAR('N'),
4042   EL_STEEL_CHAR('O'),
4043
4044   EL_STEEL_CHAR('P'),
4045   EL_STEEL_CHAR('Q'),
4046   EL_STEEL_CHAR('R'),
4047   EL_STEEL_CHAR('S'),
4048
4049   EL_STEEL_CHAR('T'),
4050   EL_STEEL_CHAR('U'),
4051   EL_STEEL_CHAR('V'),
4052   EL_STEEL_CHAR('W'),
4053
4054   EL_STEEL_CHAR('X'),
4055   EL_STEEL_CHAR('Y'),
4056   EL_STEEL_CHAR('Z'),
4057   EL_STEEL_CHAR('['),
4058
4059   EL_STEEL_CHAR('\\'),
4060   EL_STEEL_CHAR(']'),
4061   EL_STEEL_CHAR('^'),
4062   EL_STEEL_CHAR('_'),
4063
4064   EL_STEEL_CHAR('©'),
4065   EL_STEEL_CHAR('Ä'),
4066   EL_STEEL_CHAR('Ö'),
4067   EL_STEEL_CHAR('Ü'),
4068
4069   EL_STEEL_CHAR('°'),
4070   EL_STEEL_CHAR('®'),
4071   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4072   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4073
4074   EL_STEEL_CHAR(FONT_ASCII_UP),
4075   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4076   EL_STEEL_CHAR(' '),
4077   EL_STEEL_CHAR(' ')
4078 };
4079 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4080 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4081 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4082 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4083
4084 static int editor_hl_custom[] =
4085 {
4086   EL_INTERNAL_CASCADE_CE_ACTIVE,
4087   EL_CHAR('C'),
4088   EL_CHAR('E'),
4089   EL_EMPTY,
4090 };
4091
4092 static int editor_el_custom[] =
4093 {
4094   EL_CUSTOM_START + 0,
4095   EL_CUSTOM_START + 1,
4096   EL_CUSTOM_START + 2,
4097   EL_CUSTOM_START + 3,
4098
4099   EL_CUSTOM_START + 4,
4100   EL_CUSTOM_START + 5,
4101   EL_CUSTOM_START + 6,
4102   EL_CUSTOM_START + 7,
4103
4104   EL_CUSTOM_START + 8,
4105   EL_CUSTOM_START + 9,
4106   EL_CUSTOM_START + 10,
4107   EL_CUSTOM_START + 11,
4108
4109   EL_CUSTOM_START + 12,
4110   EL_CUSTOM_START + 13,
4111   EL_CUSTOM_START + 14,
4112   EL_CUSTOM_START + 15,
4113
4114   EL_CUSTOM_START + 16,
4115   EL_CUSTOM_START + 17,
4116   EL_CUSTOM_START + 18,
4117   EL_CUSTOM_START + 19,
4118
4119   EL_CUSTOM_START + 20,
4120   EL_CUSTOM_START + 21,
4121   EL_CUSTOM_START + 22,
4122   EL_CUSTOM_START + 23,
4123
4124   EL_CUSTOM_START + 24,
4125   EL_CUSTOM_START + 25,
4126   EL_CUSTOM_START + 26,
4127   EL_CUSTOM_START + 27,
4128
4129   EL_CUSTOM_START + 28,
4130   EL_CUSTOM_START + 29,
4131   EL_CUSTOM_START + 30,
4132   EL_CUSTOM_START + 31,
4133
4134   EL_CUSTOM_START + 32,
4135   EL_CUSTOM_START + 33,
4136   EL_CUSTOM_START + 34,
4137   EL_CUSTOM_START + 35,
4138
4139   EL_CUSTOM_START + 36,
4140   EL_CUSTOM_START + 37,
4141   EL_CUSTOM_START + 38,
4142   EL_CUSTOM_START + 39,
4143
4144   EL_CUSTOM_START + 40,
4145   EL_CUSTOM_START + 41,
4146   EL_CUSTOM_START + 42,
4147   EL_CUSTOM_START + 43,
4148
4149   EL_CUSTOM_START + 44,
4150   EL_CUSTOM_START + 45,
4151   EL_CUSTOM_START + 46,
4152   EL_CUSTOM_START + 47,
4153
4154   EL_CUSTOM_START + 48,
4155   EL_CUSTOM_START + 49,
4156   EL_CUSTOM_START + 50,
4157   EL_CUSTOM_START + 51,
4158
4159   EL_CUSTOM_START + 52,
4160   EL_CUSTOM_START + 53,
4161   EL_CUSTOM_START + 54,
4162   EL_CUSTOM_START + 55,
4163
4164   EL_CUSTOM_START + 56,
4165   EL_CUSTOM_START + 57,
4166   EL_CUSTOM_START + 58,
4167   EL_CUSTOM_START + 59,
4168
4169   EL_CUSTOM_START + 60,
4170   EL_CUSTOM_START + 61,
4171   EL_CUSTOM_START + 62,
4172   EL_CUSTOM_START + 63,
4173
4174   EL_CUSTOM_START + 64,
4175   EL_CUSTOM_START + 65,
4176   EL_CUSTOM_START + 66,
4177   EL_CUSTOM_START + 67,
4178
4179   EL_CUSTOM_START + 68,
4180   EL_CUSTOM_START + 69,
4181   EL_CUSTOM_START + 70,
4182   EL_CUSTOM_START + 71,
4183
4184   EL_CUSTOM_START + 72,
4185   EL_CUSTOM_START + 73,
4186   EL_CUSTOM_START + 74,
4187   EL_CUSTOM_START + 75,
4188
4189   EL_CUSTOM_START + 76,
4190   EL_CUSTOM_START + 77,
4191   EL_CUSTOM_START + 78,
4192   EL_CUSTOM_START + 79,
4193
4194   EL_CUSTOM_START + 80,
4195   EL_CUSTOM_START + 81,
4196   EL_CUSTOM_START + 82,
4197   EL_CUSTOM_START + 83,
4198
4199   EL_CUSTOM_START + 84,
4200   EL_CUSTOM_START + 85,
4201   EL_CUSTOM_START + 86,
4202   EL_CUSTOM_START + 87,
4203
4204   EL_CUSTOM_START + 88,
4205   EL_CUSTOM_START + 89,
4206   EL_CUSTOM_START + 90,
4207   EL_CUSTOM_START + 91,
4208
4209   EL_CUSTOM_START + 92,
4210   EL_CUSTOM_START + 93,
4211   EL_CUSTOM_START + 94,
4212   EL_CUSTOM_START + 95,
4213
4214   EL_CUSTOM_START + 96,
4215   EL_CUSTOM_START + 97,
4216   EL_CUSTOM_START + 98,
4217   EL_CUSTOM_START + 99,
4218
4219   EL_CUSTOM_START + 100,
4220   EL_CUSTOM_START + 101,
4221   EL_CUSTOM_START + 102,
4222   EL_CUSTOM_START + 103,
4223
4224   EL_CUSTOM_START + 104,
4225   EL_CUSTOM_START + 105,
4226   EL_CUSTOM_START + 106,
4227   EL_CUSTOM_START + 107,
4228
4229   EL_CUSTOM_START + 108,
4230   EL_CUSTOM_START + 109,
4231   EL_CUSTOM_START + 110,
4232   EL_CUSTOM_START + 111,
4233
4234   EL_CUSTOM_START + 112,
4235   EL_CUSTOM_START + 113,
4236   EL_CUSTOM_START + 114,
4237   EL_CUSTOM_START + 115,
4238
4239   EL_CUSTOM_START + 116,
4240   EL_CUSTOM_START + 117,
4241   EL_CUSTOM_START + 118,
4242   EL_CUSTOM_START + 119,
4243
4244   EL_CUSTOM_START + 120,
4245   EL_CUSTOM_START + 121,
4246   EL_CUSTOM_START + 122,
4247   EL_CUSTOM_START + 123,
4248
4249   EL_CUSTOM_START + 124,
4250   EL_CUSTOM_START + 125,
4251   EL_CUSTOM_START + 126,
4252   EL_CUSTOM_START + 127,
4253
4254   EL_CUSTOM_START + 128,
4255   EL_CUSTOM_START + 129,
4256   EL_CUSTOM_START + 130,
4257   EL_CUSTOM_START + 131,
4258
4259   EL_CUSTOM_START + 132,
4260   EL_CUSTOM_START + 133,
4261   EL_CUSTOM_START + 134,
4262   EL_CUSTOM_START + 135,
4263
4264   EL_CUSTOM_START + 136,
4265   EL_CUSTOM_START + 137,
4266   EL_CUSTOM_START + 138,
4267   EL_CUSTOM_START + 139,
4268
4269   EL_CUSTOM_START + 140,
4270   EL_CUSTOM_START + 141,
4271   EL_CUSTOM_START + 142,
4272   EL_CUSTOM_START + 143,
4273
4274   EL_CUSTOM_START + 144,
4275   EL_CUSTOM_START + 145,
4276   EL_CUSTOM_START + 146,
4277   EL_CUSTOM_START + 147,
4278
4279   EL_CUSTOM_START + 148,
4280   EL_CUSTOM_START + 149,
4281   EL_CUSTOM_START + 150,
4282   EL_CUSTOM_START + 151,
4283
4284   EL_CUSTOM_START + 152,
4285   EL_CUSTOM_START + 153,
4286   EL_CUSTOM_START + 154,
4287   EL_CUSTOM_START + 155,
4288
4289   EL_CUSTOM_START + 156,
4290   EL_CUSTOM_START + 157,
4291   EL_CUSTOM_START + 158,
4292   EL_CUSTOM_START + 159,
4293
4294   EL_CUSTOM_START + 160,
4295   EL_CUSTOM_START + 161,
4296   EL_CUSTOM_START + 162,
4297   EL_CUSTOM_START + 163,
4298
4299   EL_CUSTOM_START + 164,
4300   EL_CUSTOM_START + 165,
4301   EL_CUSTOM_START + 166,
4302   EL_CUSTOM_START + 167,
4303
4304   EL_CUSTOM_START + 168,
4305   EL_CUSTOM_START + 169,
4306   EL_CUSTOM_START + 170,
4307   EL_CUSTOM_START + 171,
4308
4309   EL_CUSTOM_START + 172,
4310   EL_CUSTOM_START + 173,
4311   EL_CUSTOM_START + 174,
4312   EL_CUSTOM_START + 175,
4313
4314   EL_CUSTOM_START + 176,
4315   EL_CUSTOM_START + 177,
4316   EL_CUSTOM_START + 178,
4317   EL_CUSTOM_START + 179,
4318
4319   EL_CUSTOM_START + 180,
4320   EL_CUSTOM_START + 181,
4321   EL_CUSTOM_START + 182,
4322   EL_CUSTOM_START + 183,
4323
4324   EL_CUSTOM_START + 184,
4325   EL_CUSTOM_START + 185,
4326   EL_CUSTOM_START + 186,
4327   EL_CUSTOM_START + 187,
4328
4329   EL_CUSTOM_START + 188,
4330   EL_CUSTOM_START + 189,
4331   EL_CUSTOM_START + 190,
4332   EL_CUSTOM_START + 191,
4333
4334   EL_CUSTOM_START + 192,
4335   EL_CUSTOM_START + 193,
4336   EL_CUSTOM_START + 194,
4337   EL_CUSTOM_START + 195,
4338
4339   EL_CUSTOM_START + 196,
4340   EL_CUSTOM_START + 197,
4341   EL_CUSTOM_START + 198,
4342   EL_CUSTOM_START + 199,
4343
4344   EL_CUSTOM_START + 200,
4345   EL_CUSTOM_START + 201,
4346   EL_CUSTOM_START + 202,
4347   EL_CUSTOM_START + 203,
4348
4349   EL_CUSTOM_START + 204,
4350   EL_CUSTOM_START + 205,
4351   EL_CUSTOM_START + 206,
4352   EL_CUSTOM_START + 207,
4353
4354   EL_CUSTOM_START + 208,
4355   EL_CUSTOM_START + 209,
4356   EL_CUSTOM_START + 210,
4357   EL_CUSTOM_START + 211,
4358
4359   EL_CUSTOM_START + 212,
4360   EL_CUSTOM_START + 213,
4361   EL_CUSTOM_START + 214,
4362   EL_CUSTOM_START + 215,
4363
4364   EL_CUSTOM_START + 216,
4365   EL_CUSTOM_START + 217,
4366   EL_CUSTOM_START + 218,
4367   EL_CUSTOM_START + 219,
4368
4369   EL_CUSTOM_START + 220,
4370   EL_CUSTOM_START + 221,
4371   EL_CUSTOM_START + 222,
4372   EL_CUSTOM_START + 223,
4373
4374   EL_CUSTOM_START + 224,
4375   EL_CUSTOM_START + 225,
4376   EL_CUSTOM_START + 226,
4377   EL_CUSTOM_START + 227,
4378
4379   EL_CUSTOM_START + 228,
4380   EL_CUSTOM_START + 229,
4381   EL_CUSTOM_START + 230,
4382   EL_CUSTOM_START + 231,
4383
4384   EL_CUSTOM_START + 232,
4385   EL_CUSTOM_START + 233,
4386   EL_CUSTOM_START + 234,
4387   EL_CUSTOM_START + 235,
4388
4389   EL_CUSTOM_START + 236,
4390   EL_CUSTOM_START + 237,
4391   EL_CUSTOM_START + 238,
4392   EL_CUSTOM_START + 239,
4393
4394   EL_CUSTOM_START + 240,
4395   EL_CUSTOM_START + 241,
4396   EL_CUSTOM_START + 242,
4397   EL_CUSTOM_START + 243,
4398
4399   EL_CUSTOM_START + 244,
4400   EL_CUSTOM_START + 245,
4401   EL_CUSTOM_START + 246,
4402   EL_CUSTOM_START + 247,
4403
4404   EL_CUSTOM_START + 248,
4405   EL_CUSTOM_START + 249,
4406   EL_CUSTOM_START + 250,
4407   EL_CUSTOM_START + 251,
4408
4409   EL_CUSTOM_START + 252,
4410   EL_CUSTOM_START + 253,
4411   EL_CUSTOM_START + 254,
4412   EL_CUSTOM_START + 255
4413 };
4414 static int *editor_hl_custom_ptr = editor_hl_custom;
4415 static int *editor_el_custom_ptr = editor_el_custom;
4416 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4417 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4418
4419 static int editor_hl_group[] =
4420 {
4421   EL_INTERNAL_CASCADE_GE_ACTIVE,
4422   EL_CHAR('G'),
4423   EL_CHAR('E'),
4424   EL_EMPTY,
4425 };
4426
4427 static int editor_el_group[] =
4428 {
4429   EL_GROUP_START + 0,
4430   EL_GROUP_START + 1,
4431   EL_GROUP_START + 2,
4432   EL_GROUP_START + 3,
4433
4434   EL_GROUP_START + 4,
4435   EL_GROUP_START + 5,
4436   EL_GROUP_START + 6,
4437   EL_GROUP_START + 7,
4438
4439   EL_GROUP_START + 8,
4440   EL_GROUP_START + 9,
4441   EL_GROUP_START + 10,
4442   EL_GROUP_START + 11,
4443
4444   EL_GROUP_START + 12,
4445   EL_GROUP_START + 13,
4446   EL_GROUP_START + 14,
4447   EL_GROUP_START + 15,
4448
4449   EL_GROUP_START + 16,
4450   EL_GROUP_START + 17,
4451   EL_GROUP_START + 18,
4452   EL_GROUP_START + 19,
4453
4454   EL_GROUP_START + 20,
4455   EL_GROUP_START + 21,
4456   EL_GROUP_START + 22,
4457   EL_GROUP_START + 23,
4458
4459   EL_GROUP_START + 24,
4460   EL_GROUP_START + 25,
4461   EL_GROUP_START + 26,
4462   EL_GROUP_START + 27,
4463
4464   EL_GROUP_START + 28,
4465   EL_GROUP_START + 29,
4466   EL_GROUP_START + 30,
4467   EL_GROUP_START + 31
4468 };
4469 static int *editor_hl_group_ptr = editor_hl_group;
4470 static int *editor_el_group_ptr = editor_el_group;
4471 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4472 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4473
4474 static int editor_hl_reference[] =
4475 {
4476   EL_INTERNAL_CASCADE_REF_ACTIVE,
4477   EL_CHAR('R'),
4478   EL_CHAR('E'),
4479   EL_CHAR('F')
4480 };
4481
4482 static int editor_el_reference[] =
4483 {
4484   EL_TRIGGER_PLAYER,
4485   EL_TRIGGER_ELEMENT,
4486   EL_TRIGGER_CE_VALUE,
4487   EL_TRIGGER_CE_SCORE,
4488
4489   EL_SELF,
4490   EL_ANY_ELEMENT,
4491   EL_CURRENT_CE_VALUE,
4492   EL_CURRENT_CE_SCORE,
4493
4494   EL_PREV_CE_8,
4495   EL_PREV_CE_7,
4496   EL_PREV_CE_6,
4497   EL_PREV_CE_5,
4498
4499   EL_PREV_CE_4,
4500   EL_PREV_CE_3,
4501   EL_PREV_CE_2,
4502   EL_PREV_CE_1,
4503
4504   EL_NEXT_CE_1,
4505   EL_NEXT_CE_2,
4506   EL_NEXT_CE_3,
4507   EL_NEXT_CE_4,
4508
4509   EL_NEXT_CE_5,
4510   EL_NEXT_CE_6,
4511   EL_NEXT_CE_7,
4512   EL_NEXT_CE_8,
4513 };
4514 static int *editor_hl_reference_ptr = editor_hl_reference;
4515 static int *editor_el_reference_ptr = editor_el_reference;
4516 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4517 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4518
4519 static int editor_hl_user_defined[] =
4520 {
4521   EL_INTERNAL_CASCADE_USER_ACTIVE,
4522   EL_CHAR('M'),
4523   EL_CHAR('Y'),
4524   EL_EMPTY,
4525 };
4526
4527 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4528 static int *editor_el_user_defined_ptr = NULL;
4529 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4530 static int num_editor_el_user_defined = 0;
4531
4532 static int editor_hl_dynamic[] =
4533 {
4534   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4535   EL_CHAR('U'),
4536   EL_CHAR('S'),
4537   EL_CHAR('E'),
4538 };
4539
4540 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4541 static int *editor_el_dynamic_ptr = NULL;
4542 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4543 static int num_editor_el_dynamic = 0;
4544
4545 static int editor_hl_empty[] = { };
4546 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
4547
4548 static int *editor_hl_empty_ptr = editor_hl_empty;
4549 static int *editor_el_empty_ptr = editor_el_empty;
4550 static int num_editor_hl_empty = 0;
4551 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4552
4553 static boolean use_el_empty = FALSE;
4554
4555 static int *editor_elements = NULL;     /* dynamically allocated */
4556 static int num_editor_elements = 0;     /* dynamically determined */
4557
4558 static boolean setup_editor_show_always = TRUE;
4559 static boolean setup_editor_cascade_never = FALSE;
4560
4561 static int editor_hl_unused[] = { EL_EMPTY };
4562 static int *editor_hl_unused_ptr = editor_hl_unused;
4563 static int num_editor_hl_unused = 0;
4564
4565 static struct
4566 {
4567   boolean *setup_value;
4568   boolean *setup_cascade_value;
4569
4570   int **headline_list;
4571   int *headline_list_size;
4572
4573   int **element_list;
4574   int *element_list_size;
4575
4576   boolean last_setup_value;
4577 }
4578 editor_elements_info[] =
4579 {
4580   {
4581     &setup_editor_show_always,
4582     &setup_editor_cascade_never,
4583     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4584     &editor_el_players_ptr,             &num_editor_el_players
4585   },
4586   {
4587     &setup.editor.el_boulderdash,
4588     &setup.editor_cascade.el_bd,
4589     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4590     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4591   },
4592   {
4593     &setup.editor.el_emerald_mine,
4594     &setup.editor_cascade.el_em,
4595     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4596     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4597   },
4598   {
4599     &setup.editor.el_emerald_mine_club,
4600     &setup.editor_cascade.el_emc,
4601     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4602     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4603   },
4604   {
4605     &setup.editor.el_more,
4606     &setup.editor_cascade.el_rnd,
4607     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4608     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4609   },
4610   {
4611     &setup.editor.el_sokoban,
4612     &setup.editor_cascade.el_sb,
4613     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4614     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4615   },
4616   {
4617     &setup.editor.el_supaplex,
4618     &setup.editor_cascade.el_sp,
4619     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4620     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4621   },
4622   {
4623     &setup.editor.el_diamond_caves,
4624     &setup.editor_cascade.el_dc,
4625     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4626     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4627   },
4628   {
4629     &setup.editor.el_dx_boulderdash,
4630     &setup.editor_cascade.el_dx,
4631     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4632     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4633   },
4634   {
4635     &setup.editor.el_chars,
4636     &setup.editor_cascade.el_chars,
4637     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4638     &editor_el_chars_ptr,               &num_editor_el_chars
4639   },
4640   {
4641     &setup.editor.el_steel_chars,
4642     &setup.editor_cascade.el_steel_chars,
4643     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4644     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4645   },
4646   {
4647     &setup.editor.el_custom,
4648     &setup.editor_cascade.el_ce,
4649     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4650     &editor_el_custom_ptr,              &num_editor_el_custom
4651   },
4652   {
4653     &setup.editor.el_custom,
4654     &setup.editor_cascade.el_ge,
4655     &editor_hl_group_ptr,               &num_editor_hl_group,
4656     &editor_el_group_ptr,               &num_editor_el_group
4657   },
4658   {
4659     &setup.editor.el_custom,
4660     &setup.editor_cascade.el_ref,
4661     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4662     &editor_el_reference_ptr,           &num_editor_el_reference
4663   },
4664   {
4665     &setup.editor.el_user_defined,
4666     &setup.editor_cascade.el_user,
4667     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4668     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4669   },
4670   {
4671     &setup.editor.el_dynamic,
4672     &setup.editor_cascade.el_dynamic,
4673     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4674     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4675   },
4676   {
4677     &use_el_empty,
4678     &use_el_empty,
4679     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4680     &editor_el_empty_ptr,               &num_editor_el_empty,
4681   },
4682   {
4683     NULL,
4684     NULL,
4685     NULL,                               NULL,
4686     NULL,                               NULL
4687   }
4688 };
4689
4690
4691 /*
4692   -----------------------------------------------------------------------------
4693   functions
4694   -----------------------------------------------------------------------------
4695 */
4696
4697 static int getMaxInfoTextLength()
4698 {
4699   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4700 }
4701
4702 static int getTextWidthForGadget(char *text)
4703 {
4704   if (text == NULL)
4705     return 0;
4706
4707   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4708 }
4709
4710 static int getTextWidthForDrawingArea(char *text)
4711 {
4712   if (text == NULL)
4713     return 0;
4714
4715   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4716 }
4717
4718 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4719 {
4720   return (gi->x + gi->width + getTextWidthForGadget(text));
4721 }
4722
4723 static char *getElementInfoText(int element)
4724 {
4725   char *info_text = NULL;
4726
4727   if (element < MAX_NUM_ELEMENTS)
4728   {
4729     if (strlen(element_info[element].description) > 0)
4730       info_text = element_info[element].description;
4731     else if (element_info[element].custom_description != NULL)
4732       info_text = element_info[element].custom_description;
4733     else if (element_info[element].editor_description != NULL)
4734       info_text = element_info[element].editor_description;
4735   }
4736
4737   if (info_text == NULL)
4738     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4739
4740   return info_text;
4741 }
4742
4743 char *getElementDescriptionFilename(int element)
4744 {
4745   char *docs_dir = options.docs_directory;
4746   char *elements_subdir = "elements";
4747   static char *filename = NULL;
4748   char basename[MAX_FILENAME_LEN];
4749
4750   checked_free(filename);
4751
4752   /* 1st try: look for element description file for exactly this element */
4753   sprintf(basename, "%s.txt", element_info[element].token_name);
4754   filename = getPath3(docs_dir, elements_subdir, basename);
4755   if (fileExists(filename))
4756     return filename;
4757
4758   free(filename);
4759
4760   /* 2nd try: look for element description file for this element's class */
4761   sprintf(basename, "%s.txt", element_info[element].class_name);
4762   filename = getPath3(docs_dir, elements_subdir, basename);
4763   if (fileExists(filename))
4764     return filename;
4765
4766   return NULL;
4767 }
4768
4769 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4770 {
4771   boolean element_found[NUM_FILE_ELEMENTS];
4772   int i, x, y;
4773
4774   /* initialize list of used elements to "not used" */
4775   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4776     element_found[i] = FALSE;
4777
4778   /* find all elements used in current level */
4779   for (y = 0; y < lev_fieldy; y++)
4780     for (x = 0; x < lev_fieldx; x++)
4781       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4782         element_found[Feld[x][y]] = TRUE;
4783
4784   *num_elements = 0;
4785
4786   /* count number of elements used in current level */
4787   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4788     if (element_found[i])
4789       (*num_elements)++;
4790
4791   /* add space for up to 3 more elements for padding that may be needed */
4792   *num_elements += 3;
4793
4794   /* free memory for old list of elements, if needed */
4795   checked_free(*elements);
4796
4797   /* allocate memory for new list of elements */
4798   *elements = checked_malloc(*num_elements * sizeof(int));
4799
4800   *num_elements = 0;
4801
4802   /* add all elements used in current level (non-custom/group elements) */
4803   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4804     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4805       (*elements)[(*num_elements)++] = i;
4806
4807   /* add all elements used in current level (custom/group elements) */
4808   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4809     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4810       (*elements)[(*num_elements)++] = i;
4811
4812   while (*num_elements % 4)     /* pad with empty elements, if needed */
4813     (*elements)[(*num_elements)++] = EL_EMPTY;
4814 }
4815
4816 static void ReinitializeElementList()
4817 {
4818   static boolean initialization_needed = TRUE;
4819   int pos = 0;
4820   int i, j;
4821
4822   if (initialization_needed)
4823   {
4824     LoadSetup_EditorCascade();          /* load last editor cascade state */
4825
4826     /* initialize editor cascade element from saved cascade state */
4827     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4828     {
4829       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4830       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4831
4832       if (IS_EDITOR_CASCADE(*cascade_element))
4833         *cascade_element =
4834           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4835            EL_CASCADE_INACTIVE(*cascade_element));
4836     }
4837
4838     initialization_needed = FALSE;
4839   }
4840
4841   checked_free(editor_elements);
4842
4843   /* reload optional user defined element list for each invocation of editor */
4844   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4845                                    &num_editor_el_user_defined);
4846
4847   /* initialize dynamic level element list for each invocation of editor */
4848   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4849                                &num_editor_el_dynamic);
4850
4851   /* initialize list of empty elements (used for padding, if needed) */
4852   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4853     editor_el_empty[i] = EL_EMPTY;
4854
4855   /* do some sanity checks for each element from element list */
4856   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4857   {
4858     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4859     {
4860       int element = (*editor_elements_info[i].element_list)[j];
4861
4862       if (element >= NUM_FILE_ELEMENTS)
4863         Error(ERR_WARN, "editor element %d is runtime element", element);
4864
4865       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4866         Error(ERR_WARN, "no element description for element %d", element);
4867     }
4868   }
4869
4870   num_editor_elements = 0;
4871   use_el_empty = FALSE;
4872
4873   /* determine size of element list */
4874   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4875   {
4876     boolean found_inactive_cascade = FALSE;
4877
4878     if (*editor_elements_info[i].setup_value)
4879     {
4880       if (setup.editor.el_headlines)
4881       {
4882         num_editor_elements += *editor_elements_info[i].headline_list_size;
4883
4884         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4885         {
4886           int element = (*editor_elements_info[i].headline_list)[j];
4887
4888           if (IS_EDITOR_CASCADE_INACTIVE(element))
4889             found_inactive_cascade = TRUE;
4890         }
4891       }
4892
4893       if (found_inactive_cascade)
4894         continue;
4895
4896       num_editor_elements += *editor_elements_info[i].element_list_size;
4897     }
4898   }
4899
4900   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
4901   {
4902     /* offer at least as many elements as element buttons exist */
4903     use_el_empty = TRUE;
4904     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
4905
4906     num_editor_elements += num_editor_el_empty;
4907   }
4908
4909   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
4910
4911   /* fill element list */
4912   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4913   {
4914     boolean found_inactive_cascade = FALSE;
4915
4916     if (*editor_elements_info[i].setup_value)
4917     {
4918       if (setup.editor.el_headlines)
4919       {
4920         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4921         {
4922           int element = (*editor_elements_info[i].headline_list)[j];
4923
4924           editor_elements[pos++] = element;
4925
4926           if (IS_EDITOR_CASCADE_INACTIVE(element))
4927             found_inactive_cascade = TRUE;
4928         }
4929       }
4930
4931       if (found_inactive_cascade)
4932         continue;
4933
4934       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4935         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
4936     }
4937   }
4938
4939   /* (this function is also called before editor gadgets are initialized!) */
4940   AdjustElementListScrollbar();
4941 }
4942
4943 void PrintEditorElementList()
4944 {
4945   boolean *stop = &setup.editor.el_user_defined;
4946   int i, j;
4947
4948   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
4949   {
4950     int cascade_element = (*editor_elements_info[i].headline_list)[0];
4951
4952     if (IS_EDITOR_CASCADE(cascade_element))
4953     {
4954       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
4955       char *headline = element_info[cascade_element_show].editor_description;
4956
4957       printf_line_with_prefix("# ", "-", 77);
4958       printf("# %s\n", headline);
4959       printf_line_with_prefix("# ", "-", 77);
4960     }
4961
4962     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4963     {
4964       int element = (*editor_elements_info[i].headline_list)[j];
4965
4966       if (IS_EDITOR_CASCADE(element))
4967         element = EL_CHAR_MINUS;
4968
4969       printf("# %s\n", element_info[element].token_name);
4970     }
4971
4972     if (j > 0)
4973       printf("#\n");
4974
4975     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4976     {
4977       int element = (*editor_elements_info[i].element_list)[j];
4978
4979       printf("# %s\n", element_info[element].token_name);
4980     }
4981
4982     if (j > 0)
4983       printf("#\n");
4984   }
4985 }
4986
4987 static void ReinitializeElementListButtons()
4988 {
4989   static boolean last_setup_value_headlines = FALSE;
4990   static boolean initialization_needed = TRUE;
4991   int i;
4992
4993   if (!initialization_needed)   /* check if editor element setup has changed */
4994   {
4995     if (last_setup_value_headlines != setup.editor.el_headlines)
4996       initialization_needed = TRUE;
4997
4998     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4999       if (editor_elements_info[i].last_setup_value !=
5000           *editor_elements_info[i].setup_value)
5001         initialization_needed = TRUE;
5002   }
5003
5004   if (!initialization_needed)
5005     return;
5006
5007   FreeLevelEditorGadgets();
5008   CreateLevelEditorGadgets();
5009
5010   /* store current setup values for next invocation of this function */
5011   last_setup_value_headlines = setup.editor.el_headlines;
5012   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5013     editor_elements_info[i].last_setup_value =
5014       *editor_elements_info[i].setup_value;
5015
5016   initialization_needed = FALSE;
5017 }
5018
5019 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5020                               boolean input)
5021 {
5022   int border_graphic =
5023     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5024   Bitmap *src_bitmap;
5025   int src_x, src_y;
5026   int bx = (input ? 4 : 8);
5027   int by = (input ? 4 : 8);
5028   int bx2 = TILEX - bx;
5029   int by2 = TILEY - by;
5030   int i;
5031
5032   getGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5033
5034   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5035              bx, by, dest_x - bx, dest_y - by);
5036   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5037              bx, by, dest_x + width, dest_y - by);
5038   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5039              bx, by, dest_x - bx, dest_y + height);
5040   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5041              bx, by, dest_x + width, dest_y + height);
5042
5043   for (i = 0; i < width / MINI_TILEX; i++)
5044   {
5045     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5046                dest_x + i * MINI_TILEX, dest_y - by);
5047     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5048                dest_x + i * MINI_TILEX, dest_y + height);
5049   }
5050
5051   for (i = 0; i < height / MINI_TILEY; i++)
5052   {
5053     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5054                dest_x - bx, dest_y + i * MINI_TILEY);
5055     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5056                dest_x + width, dest_y + i * MINI_TILEY);
5057   }
5058
5059   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5060 }
5061
5062 static void DrawDrawingArea(int id)
5063 {
5064   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5065   int x, y;
5066
5067   int *value = drawingarea_info[id].value;
5068   int area_xsize = drawingarea_info[id].area_xsize;
5069   int area_ysize = drawingarea_info[id].area_ysize;
5070
5071   for (x = 0; x < area_xsize; x++)
5072     for (y = 0; y < area_ysize; y++)
5073       DrawMiniGraphicExt(drawto,
5074                          gi->x + x * MINI_TILEX,
5075                          gi->y + y * MINI_TILEY,
5076                          el2edimg(value[x * area_ysize + y]));
5077 }
5078
5079 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5080 {
5081 #if 0
5082   /* (directly solved in BlitBitmap() now) */
5083   static Bitmap *tmp_backbuffer = NULL;
5084 #endif
5085   int x, y;
5086   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5087   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5088
5089 #if 0
5090   /* (directly solved in BlitBitmap() now) */
5091   if (tmp_backbuffer == NULL)
5092     tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
5093
5094   /* needed when blitting directly to same bitmap -- should not be needed with
5095      recent SDL libraries, but apparently does not work in 1.2.11 directly */
5096   BlitBitmap(drawto, tmp_backbuffer,
5097              SX + (dx == -1 ? MINI_TILEX : 0),
5098              SY + (dy == -1 ? MINI_TILEY : 0),
5099              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5100              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5101              SX + (dx == +1 ? MINI_TILEX : 0),
5102              SY + (dy == +1 ? MINI_TILEY : 0));
5103   BlitBitmap(tmp_backbuffer, drawto,
5104              SX + (dx == +1 ? MINI_TILEX : 0),
5105              SY + (dy == +1 ? MINI_TILEY : 0),
5106              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5107              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5108              SX + (dx == +1 ? MINI_TILEX : 0),
5109              SY + (dy == +1 ? MINI_TILEY : 0));
5110
5111 #else
5112
5113   BlitBitmap(drawto, drawto,
5114              SX + (dx == -1 ? MINI_TILEX : 0),
5115              SY + (dy == -1 ? MINI_TILEY : 0),
5116              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5117              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5118              SX + (dx == +1 ? MINI_TILEX : 0),
5119              SY + (dy == +1 ? MINI_TILEY : 0));
5120 #endif
5121
5122   if (dx)
5123   {
5124     x = (dx == 1 ? 0 : ed_fieldx - 1);
5125     for (y = 0; y < ed_fieldy; y++)
5126       DrawMiniElementOrWall(x, y, from_x, from_y);
5127   }
5128   else if (dy)
5129   {
5130     y = (dy == 1 ? 0 : ed_fieldy - 1);
5131     for (x = 0; x < ed_fieldx; x++)
5132       DrawMiniElementOrWall(x, y, from_x, from_y);
5133   }
5134
5135   redraw_mask |= REDRAW_FIELD;
5136   BackToFront();
5137 }
5138
5139 static void CreateControlButtons()
5140 {
5141   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5142   struct GadgetInfo *gi;
5143   unsigned long event_mask;
5144   int i;
5145
5146   /* create toolbox buttons */
5147   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5148   {
5149     int id = i;
5150     int width, height;
5151     int gd_xoffset, gd_yoffset;
5152     int gd_x1, gd_x2, gd_y1, gd_y2;
5153     int button_type;
5154     int radio_button_nr;
5155     boolean checked;
5156
5157     if (id == GADGET_ID_SINGLE_ITEMS ||
5158         id == GADGET_ID_CONNECTED_ITEMS ||
5159         id == GADGET_ID_LINE ||
5160         id == GADGET_ID_ARC ||
5161         id == GADGET_ID_TEXT ||
5162         id == GADGET_ID_RECTANGLE ||
5163         id == GADGET_ID_FILLED_BOX ||
5164         id == GADGET_ID_FLOOD_FILL ||
5165         id == GADGET_ID_GRAB_BRUSH ||
5166         id == GADGET_ID_PICK_ELEMENT ||
5167         id == GADGET_ID_CUSTOM_COPY_FROM ||
5168         id == GADGET_ID_CUSTOM_COPY_TO ||
5169         id == GADGET_ID_CUSTOM_EXCHANGE)
5170     {
5171       button_type = GD_TYPE_RADIO_BUTTON;
5172       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5173       checked = (id == drawing_function ? TRUE : FALSE);
5174       event_mask = GD_EVENT_PRESSED;
5175     }
5176     else
5177     {
5178       button_type = GD_TYPE_NORMAL_BUTTON;
5179       radio_button_nr = RADIO_NR_NONE;
5180       checked = FALSE;
5181
5182       if (id == GADGET_ID_WRAP_LEFT ||
5183           id == GADGET_ID_WRAP_RIGHT ||
5184           id == GADGET_ID_WRAP_UP ||
5185           id == GADGET_ID_WRAP_DOWN)
5186         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5187       else
5188         event_mask = GD_EVENT_RELEASED;
5189     }
5190
5191     if (id < ED_NUM_CTRL1_BUTTONS)
5192     {
5193       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5194       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5195
5196       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5197       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5198       width  = ED_CTRL1_BUTTON_XSIZE;
5199       height = ED_CTRL1_BUTTON_YSIZE;
5200
5201       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5202       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5203       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5204       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5205     }
5206     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5207     {
5208       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5209       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5210
5211       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5212       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5213       width  = ED_CTRL2_BUTTON_XSIZE;
5214       height = ED_CTRL2_BUTTON_YSIZE;
5215
5216       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5217       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5218       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5219       gd_y2 = 0;        /* no alternative graphic for these buttons */
5220     }
5221     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5222     {
5223       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5224       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5225
5226       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5227       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5228       width  = ED_CTRL3_BUTTON_XSIZE;
5229       height = ED_CTRL3_BUTTON_YSIZE;
5230
5231       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5232       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5233       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5234       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5235     }
5236     else
5237     {
5238       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5239       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5240
5241       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5242       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5243       width  = ED_CTRL4_BUTTON_XSIZE;
5244       height = ED_CTRL4_BUTTON_YSIZE;
5245
5246       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5247       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5248       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5249       gd_y2 = 0;        /* no alternative graphic for these buttons */
5250     }
5251
5252     gi = CreateGadget(GDI_CUSTOM_ID, id,
5253                       GDI_CUSTOM_TYPE_ID, i,
5254                       GDI_INFO_TEXT, control_info[i].text,
5255                       GDI_X, EX + gd_xoffset,
5256                       GDI_Y, EY + gd_yoffset,
5257                       GDI_WIDTH, width,
5258                       GDI_HEIGHT, height,
5259                       GDI_TYPE, button_type,
5260                       GDI_STATE, GD_BUTTON_UNPRESSED,
5261                       GDI_RADIO_NR, radio_button_nr,
5262                       GDI_CHECKED, checked,
5263                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5264                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5265                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5266                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5267                       GDI_EVENT_MASK, event_mask,
5268                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5269                       GDI_CALLBACK_ACTION, HandleControlButtons,
5270                       GDI_END);
5271
5272     if (gi == NULL)
5273       Error(ERR_EXIT, "cannot create gadget");
5274
5275     level_editor_gadget[id] = gi;
5276   }
5277
5278   /* create buttons for scrolling of drawing area and element list */
5279   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5280   {
5281     int id = scrollbutton_info[i].gadget_id;
5282     int x, y, width, height;
5283     int gd_x1, gd_x2, gd_y1, gd_y2;
5284
5285     x = scrollbutton_info[i].x;
5286     y = scrollbutton_info[i].y;
5287
5288     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5289
5290     if (id == GADGET_ID_SCROLL_LIST_UP ||
5291         id == GADGET_ID_SCROLL_LIST_DOWN)
5292     {
5293       x += DX;
5294       y += DY;
5295       width = ED_SCROLLBUTTON2_XSIZE;
5296       height = ED_SCROLLBUTTON2_YSIZE;
5297       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5298       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5299       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
5300       gd_y2 = gd_y1;
5301     }
5302     else
5303     {
5304       x += SX;
5305       y += SY;
5306       width = ED_SCROLLBUTTON_XSIZE;
5307       height = ED_SCROLLBUTTON_YSIZE;
5308       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
5309       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
5310       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5311       gd_y2 = gd_y1;
5312     }
5313
5314     gi = CreateGadget(GDI_CUSTOM_ID, id,
5315                       GDI_CUSTOM_TYPE_ID, i,
5316                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5317                       GDI_X, x,
5318                       GDI_Y, y,
5319                       GDI_WIDTH, width,
5320                       GDI_HEIGHT, height,
5321                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5322                       GDI_STATE, GD_BUTTON_UNPRESSED,
5323                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5324                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5325                       GDI_EVENT_MASK, event_mask,
5326                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5327                       GDI_CALLBACK_ACTION, HandleControlButtons,
5328                       GDI_END);
5329
5330     if (gi == NULL)
5331       Error(ERR_EXIT, "cannot create gadget");
5332
5333     level_editor_gadget[id] = gi;
5334   }
5335
5336   /* create buttons for element list */
5337   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5338   {
5339     Bitmap *deco_bitmap;
5340     int deco_x, deco_y, deco_xpos, deco_ypos;
5341     int gd_xoffset, gd_yoffset;
5342     int gd_x1, gd_x2, gd_y;
5343     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5344     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5345     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5346     int element = editor_elements[i];
5347
5348     event_mask = GD_EVENT_RELEASED;
5349
5350     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
5351     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
5352
5353     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
5354     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
5355     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
5356
5357     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5358     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
5359     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
5360
5361     gi = CreateGadget(GDI_CUSTOM_ID, id,
5362                       GDI_CUSTOM_TYPE_ID, i,
5363                       GDI_INFO_TEXT, getElementInfoText(element),
5364                       GDI_X, DX + gd_xoffset,
5365                       GDI_Y, DY + gd_yoffset,
5366                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
5367                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
5368                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5369                       GDI_STATE, GD_BUTTON_UNPRESSED,
5370                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5371                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5372                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5373                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5374                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5375                       GDI_DECORATION_SHIFTING, 1, 1,
5376                       GDI_EVENT_MASK, event_mask,
5377                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5378                       GDI_CALLBACK_ACTION, HandleControlButtons,
5379                       GDI_END);
5380
5381     if (gi == NULL)
5382       Error(ERR_EXIT, "cannot create gadget");
5383
5384     level_editor_gadget[id] = gi;
5385   }
5386 }
5387
5388 static void CreateCounterButtons()
5389 {
5390   int max_infotext_len = getMaxInfoTextLength();
5391   int i;
5392
5393   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5394   {
5395     int j;
5396     int x = SX + counterbutton_info[i].x;       /* down count button */
5397     int y = SY + counterbutton_info[i].y;
5398
5399     /* determine horizontal position to the right of specified gadget */
5400     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5401       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5402            ED_GADGET_TEXT_DISTANCE);
5403
5404     /* determine horizontal offset for leading text */
5405     if (counterbutton_info[i].text_left != NULL)
5406       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5407
5408     for (j = 0; j < 2; j++)
5409     {
5410       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5411       struct GadgetInfo *gi;
5412       int id = (j == 0 ?
5413                 counterbutton_info[i].gadget_id_down :
5414                 counterbutton_info[i].gadget_id_up);
5415       int gd_xoffset;
5416       int gd_x, gd_x1, gd_x2, gd_y;
5417       int x_size, y_size;
5418       unsigned long event_mask;
5419       char infotext[max_infotext_len + 1];
5420
5421       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5422
5423       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5424       {
5425         int sid = (j == 0 ?
5426                    ED_SCROLLBUTTON_ID_AREA_LEFT :
5427                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
5428
5429         event_mask |= GD_EVENT_RELEASED;
5430
5431         if (j == 1)
5432           x += 2 * ED_GADGET_DISTANCE;
5433         y += ED_GADGET_DISTANCE;
5434
5435         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
5436         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
5437         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
5438         x_size = ED_SCROLLBUTTON_XSIZE;
5439         y_size = ED_SCROLLBUTTON_YSIZE;
5440       }
5441       else
5442       {
5443         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5444         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5445         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5446         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5447         x_size = ED_BUTTON_COUNT_XSIZE;
5448         y_size = ED_BUTTON_COUNT_YSIZE;
5449       }
5450
5451       sprintf(infotext, "%s counter value by 1, 5 or 10",
5452               (j == 0 ? "decrease" : "increase"));
5453
5454       gi = CreateGadget(GDI_CUSTOM_ID, id,
5455                         GDI_CUSTOM_TYPE_ID, i,
5456                         GDI_INFO_TEXT, infotext,
5457                         GDI_X, x,
5458                         GDI_Y, y,
5459                         GDI_WIDTH, x_size,
5460                         GDI_HEIGHT, y_size,
5461                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5462                         GDI_STATE, GD_BUTTON_UNPRESSED,
5463                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
5464                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
5465                         GDI_EVENT_MASK, event_mask,
5466                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5467                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5468                         GDI_END);
5469
5470       if (gi == NULL)
5471         Error(ERR_EXIT, "cannot create gadget");
5472
5473       level_editor_gadget[id] = gi;
5474       right_gadget_border[id] =
5475         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5476
5477       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5478
5479       if (j == 0)
5480       {
5481         int font_type = FONT_INPUT_1;
5482         int font_type_active = FONT_INPUT_1_ACTIVE;
5483         int gd_width = ED_WIN_COUNT_XSIZE;
5484
5485         id = counterbutton_info[i].gadget_id_text;
5486         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5487
5488         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5489         {
5490           font_type = FONT_LEVEL_NUMBER;
5491 #if 1
5492           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5493 #else
5494           font_type_active = FONT_LEVEL_NUMBER;
5495 #endif
5496           x += 2 * ED_GADGET_DISTANCE;
5497           y -= ED_GADGET_DISTANCE;
5498
5499           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5500           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5501           gd_width = ED_WIN_COUNT2_XSIZE;
5502         }
5503         else
5504         {
5505           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5506           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5507         }
5508
5509         gi = CreateGadget(GDI_CUSTOM_ID, id,
5510                           GDI_CUSTOM_TYPE_ID, i,
5511                           GDI_INFO_TEXT, "enter counter value",
5512                           GDI_X, x,
5513                           GDI_Y, y,
5514                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5515                           GDI_NUMBER_VALUE, 0,
5516                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5517                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5518                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5519                           GDI_TEXT_FONT, font_type,
5520                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5521                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5522                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5523                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5524                           GDI_DESIGN_WIDTH, gd_width,
5525                           GDI_EVENT_MASK, event_mask,
5526                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5527                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5528                           GDI_END);
5529
5530         if (gi == NULL)
5531           Error(ERR_EXIT, "cannot create gadget");
5532
5533         level_editor_gadget[id] = gi;
5534         right_gadget_border[id] =
5535           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5536
5537         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5538       }
5539     }
5540   }
5541 }
5542
5543 static void CreateDrawingAreas()
5544 {
5545   int i;
5546
5547   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5548   {
5549     struct GadgetInfo *gi;
5550     unsigned long event_mask;
5551     int id = drawingarea_info[i].gadget_id;
5552     int x = SX + drawingarea_info[i].x;
5553     int y = SY + drawingarea_info[i].y;
5554     int area_xsize = drawingarea_info[i].area_xsize;
5555     int area_ysize = drawingarea_info[i].area_ysize;
5556
5557     event_mask =
5558       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5559       GD_EVENT_OFF_BORDERS;
5560
5561     /* determine horizontal position to the right of specified gadget */
5562     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5563       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5564            ED_DRAWINGAREA_TEXT_DISTANCE);
5565
5566     /* determine horizontal offset for leading text */
5567     if (drawingarea_info[i].text_left != NULL)
5568       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5569
5570     gi = CreateGadget(GDI_CUSTOM_ID, id,
5571                       GDI_CUSTOM_TYPE_ID, i,
5572                       GDI_X, x,
5573                       GDI_Y, y,
5574                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5575                       GDI_AREA_SIZE, area_xsize, area_ysize,
5576                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5577                       GDI_EVENT_MASK, event_mask,
5578                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5579                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5580                       GDI_END);
5581
5582     if (gi == NULL)
5583       Error(ERR_EXIT, "cannot create gadget");
5584
5585     level_editor_gadget[id] = gi;
5586     right_gadget_border[id] =
5587       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5588   }
5589 }
5590
5591 static void CreateTextInputGadgets()
5592 {
5593   int max_infotext_len = getMaxInfoTextLength();
5594   int i;
5595
5596   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5597   {
5598     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5599     int gd_x, gd_y;
5600     struct GadgetInfo *gi;
5601     unsigned long event_mask;
5602     char infotext[MAX_OUTPUT_LINESIZE + 1];
5603     int id = textinput_info[i].gadget_id;
5604
5605     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5606
5607     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5608     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5609
5610     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5611     infotext[max_infotext_len] = '\0';
5612
5613     gi = CreateGadget(GDI_CUSTOM_ID, id,
5614                       GDI_CUSTOM_TYPE_ID, i,
5615                       GDI_INFO_TEXT, infotext,
5616                       GDI_X, SX + textinput_info[i].x,
5617                       GDI_Y, SY + textinput_info[i].y,
5618                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5619                       GDI_TEXT_VALUE, textinput_info[i].value,
5620                       GDI_TEXT_SIZE, textinput_info[i].size,
5621                       GDI_TEXT_FONT, FONT_INPUT_1,
5622                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5623                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5624                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5625                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5626                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5627                       GDI_EVENT_MASK, event_mask,
5628                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5629                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5630                       GDI_END);
5631
5632     if (gi == NULL)
5633       Error(ERR_EXIT, "cannot create gadget");
5634
5635     level_editor_gadget[id] = gi;
5636   }
5637 }
5638
5639 static void CreateTextAreaGadgets()
5640 {
5641   int max_infotext_len = getMaxInfoTextLength();
5642   int i;
5643
5644   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5645   {
5646     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5647     int gd_x, gd_y;
5648     struct GadgetInfo *gi;
5649     unsigned long event_mask;
5650     char infotext[MAX_OUTPUT_LINESIZE + 1];
5651     int id = textarea_info[i].gadget_id;
5652     int area_xsize = textarea_info[i].xsize;
5653     int area_ysize = textarea_info[i].ysize;
5654
5655     event_mask = GD_EVENT_TEXT_LEAVING;
5656
5657     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5658     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5659
5660     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5661     infotext[max_infotext_len] = '\0';
5662
5663     gi = CreateGadget(GDI_CUSTOM_ID, id,
5664                       GDI_CUSTOM_TYPE_ID, i,
5665                       GDI_INFO_TEXT, infotext,
5666                       GDI_X, SX + textarea_info[i].x,
5667                       GDI_Y, SY + textarea_info[i].y,
5668                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5669                       GDI_AREA_SIZE, area_xsize, area_ysize,
5670                       GDI_TEXT_FONT, FONT_INPUT_1,
5671                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5672                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5673                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5674                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5675                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5676                       GDI_EVENT_MASK, event_mask,
5677                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5678                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5679                       GDI_END);
5680
5681     if (gi == NULL)
5682       Error(ERR_EXIT, "cannot create gadget");
5683
5684     level_editor_gadget[id] = gi;
5685   }
5686 }
5687
5688 static void CreateSelectboxGadgets()
5689 {
5690   int max_infotext_len = getMaxInfoTextLength();
5691   int i, j;
5692
5693   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5694   {
5695     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5696     int gd_x, gd_y;
5697     struct GadgetInfo *gi;
5698     unsigned long event_mask;
5699     char infotext[MAX_OUTPUT_LINESIZE + 1];
5700     int id = selectbox_info[i].gadget_id;
5701     int x = SX + selectbox_info[i].x;
5702     int y = SY + selectbox_info[i].y;
5703
5704     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5705     {
5706       /* (we cannot use -1 for uninitialized values if we directly compare
5707          with results from strlen(), because the '<' and '>' operation will
5708          implicitely cast -1 to an unsigned integer value!) */
5709       selectbox_info[i].size = 0;
5710
5711       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5712         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5713           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5714
5715       selectbox_info[i].size++;         /* add one character empty space */
5716     }
5717
5718     event_mask = GD_EVENT_RELEASED |
5719       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5720
5721     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5722     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5723
5724     /* determine horizontal position to the right of specified gadget */
5725     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5726       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5727            ED_GADGET_TEXT_DISTANCE);
5728
5729     /* determine horizontal offset for leading text */
5730     if (selectbox_info[i].text_left != NULL)
5731       x += getTextWidthForGadget(selectbox_info[i].text_left);
5732
5733     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5734     infotext[max_infotext_len] = '\0';
5735
5736     gi = CreateGadget(GDI_CUSTOM_ID, id,
5737                       GDI_CUSTOM_TYPE_ID, i,
5738                       GDI_INFO_TEXT, infotext,
5739                       GDI_X, x,
5740                       GDI_Y, y,
5741                       GDI_TYPE, GD_TYPE_SELECTBOX,
5742                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5743                       GDI_TEXT_SIZE, selectbox_info[i].size,
5744                       GDI_TEXT_FONT, FONT_INPUT_1,
5745                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5746                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5747                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5748                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5749                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5750                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5751                       GDI_EVENT_MASK, event_mask,
5752                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5753                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5754                       GDI_END);
5755
5756     if (gi == NULL)
5757       Error(ERR_EXIT, "cannot create gadget");
5758
5759     level_editor_gadget[id] = gi;
5760     right_gadget_border[id] =
5761       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5762   }
5763 }
5764
5765 static void CreateTextbuttonGadgets()
5766 {
5767   int max_infotext_len = getMaxInfoTextLength();
5768   int i;
5769
5770   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5771   {
5772     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5773     int gd_x1, gd_x2, gd_y1, gd_y2;
5774     struct GadgetInfo *gi;
5775     unsigned long event_mask;
5776     char infotext[MAX_OUTPUT_LINESIZE + 1];
5777     int id = textbutton_info[i].gadget_id;
5778     int x = SX + textbutton_info[i].x;
5779     int y = SY + textbutton_info[i].y;
5780
5781     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5782       textbutton_info[i].size = strlen(textbutton_info[i].text);
5783
5784     event_mask = GD_EVENT_RELEASED;
5785
5786     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE)
5787     {
5788       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5789       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5790       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5791       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5792     }
5793     else
5794     {
5795       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5796       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5797       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5798       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5799     }
5800
5801     sprintf(infotext, "%s", textbutton_info[i].infotext);
5802     infotext[max_infotext_len] = '\0';
5803
5804     /* determine horizontal position to the right of specified gadget */
5805     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5806       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5807            ED_GADGET_TEXT_DISTANCE);
5808
5809     /* determine horizontal offset for leading text */
5810     if (textbutton_info[i].text_left != NULL)
5811       x += getTextWidthForGadget(textbutton_info[i].text_left);
5812
5813     gi = CreateGadget(GDI_CUSTOM_ID, id,
5814                       GDI_CUSTOM_TYPE_ID, i,
5815                       GDI_INFO_TEXT, infotext,
5816                       GDI_X, x,
5817                       GDI_Y, y,
5818                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5819                       GDI_TEXT_VALUE, textbutton_info[i].text,
5820                       GDI_TEXT_SIZE, textbutton_info[i].size,
5821                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5822                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5823                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5824                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5825                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5826                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5827                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5828                       GDI_DECORATION_SHIFTING, 1, 1,
5829                       GDI_EVENT_MASK, event_mask,
5830                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5831                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5832                       GDI_END);
5833
5834     if (gi == NULL)
5835       Error(ERR_EXIT, "cannot create gadget");
5836
5837     level_editor_gadget[id] = gi;
5838     right_gadget_border[id] =
5839       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5840   }
5841 }
5842
5843 static void CreateGraphicbuttonGadgets()
5844 {
5845   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5846   struct GadgetInfo *gi;
5847   unsigned long event_mask;
5848   int i;
5849
5850   /* create buttons for scrolling of drawing area and element list */
5851   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5852   {
5853     int id = graphicbutton_info[i].gadget_id;
5854     int gd_x1, gd_x2, gd_y1, gd_y2;
5855     int x = SX + graphicbutton_info[i].x;
5856     int y = SY + graphicbutton_info[i].y;
5857
5858     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5859
5860     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5861     {
5862       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5863       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5864       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5865       gd_y2 = gd_y1;
5866     }
5867     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5868     {
5869       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5870       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5871       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5872       gd_y2 = gd_y1;
5873     }
5874
5875     /* determine horizontal position to the right of specified gadget */
5876     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5877       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5878            ED_GADGET_TEXT_DISTANCE);
5879
5880     /* determine horizontal offset for leading text */
5881     if (graphicbutton_info[i].text_left != NULL)
5882       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5883
5884     gi = CreateGadget(GDI_CUSTOM_ID, id,
5885                       GDI_CUSTOM_TYPE_ID, i,
5886                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5887                       GDI_X, x,
5888                       GDI_Y, y,
5889                       GDI_WIDTH, graphicbutton_info[i].width,
5890                       GDI_HEIGHT, graphicbutton_info[i].height,
5891                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5892                       GDI_STATE, GD_BUTTON_UNPRESSED,
5893                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5894                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5895                       GDI_EVENT_MASK, event_mask,
5896                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5897                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
5898                       GDI_END);
5899
5900     if (gi == NULL)
5901       Error(ERR_EXIT, "cannot create gadget");
5902
5903     level_editor_gadget[id] = gi;
5904     right_gadget_border[id] =
5905       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
5906   }
5907 }
5908
5909 static void CreateScrollbarGadgets()
5910 {
5911   int i;
5912
5913   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
5914   {
5915     int id = scrollbar_info[i].gadget_id;
5916     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5917     int gd_x1, gd_x2, gd_y1, gd_y2;
5918     struct GadgetInfo *gi;
5919     int items_max, items_visible, item_position;
5920     unsigned long event_mask;
5921
5922     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
5923     {
5924       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
5925       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
5926       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
5927     }
5928     else        /* drawing area scrollbars */
5929     {
5930       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
5931       {
5932         items_max = MAX(lev_fieldx + 2, ed_fieldx);
5933         items_visible = ed_fieldx;
5934         item_position = 0;
5935       }
5936       else
5937       {
5938         items_max = MAX(lev_fieldy + 2, ed_fieldy);
5939         items_visible = ed_fieldy;
5940         item_position = 0;
5941       }
5942     }
5943
5944     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
5945
5946     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
5947     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
5948                       scrollbar_info[i].height : scrollbar_info[i].width));
5949     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
5950     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
5951
5952     gi = CreateGadget(GDI_CUSTOM_ID, id,
5953                       GDI_CUSTOM_TYPE_ID, i,
5954                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
5955                       GDI_X, scrollbar_info[i].x,
5956                       GDI_Y, scrollbar_info[i].y,
5957                       GDI_WIDTH, scrollbar_info[i].width,
5958                       GDI_HEIGHT, scrollbar_info[i].height,
5959                       GDI_TYPE, scrollbar_info[i].type,
5960                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
5961                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
5962                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
5963                       GDI_WHEEL_AREA_X, scrollbar_info[i].wheel_x,
5964                       GDI_WHEEL_AREA_Y, scrollbar_info[i].wheel_y,
5965                       GDI_WHEEL_AREA_WIDTH, scrollbar_info[i].wheel_width,
5966                       GDI_WHEEL_AREA_HEIGHT, scrollbar_info[i].wheel_height,
5967                       GDI_STATE, GD_BUTTON_UNPRESSED,
5968                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5969                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5970                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5971                       GDI_EVENT_MASK, event_mask,
5972                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5973                       GDI_CALLBACK_ACTION, HandleControlButtons,
5974                       GDI_END);
5975
5976     if (gi == NULL)
5977       Error(ERR_EXIT, "cannot create gadget");
5978
5979     level_editor_gadget[id] = gi;
5980   }
5981 }
5982
5983 static void CreateCheckbuttonGadgets()
5984 {
5985   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5986   struct GadgetInfo *gi;
5987   unsigned long event_mask;
5988   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
5989   int i;
5990
5991   event_mask = GD_EVENT_PRESSED;
5992
5993   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
5994   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
5995   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
5996   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
5997   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
5998
5999   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6000   {
6001     int id = checkbutton_info[i].gadget_id;
6002     int x = SX + checkbutton_info[i].x;
6003     int y = SY + checkbutton_info[i].y;
6004
6005     if (id == GADGET_ID_STICK_ELEMENT)
6006       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6007     else
6008       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6009
6010     /* determine horizontal position to the right of specified gadget */
6011     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6012       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6013            ED_GADGET_TEXT_DISTANCE);
6014
6015     /* determine horizontal offset for leading text */
6016     if (checkbutton_info[i].text_left != NULL)
6017       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6018
6019     gi = CreateGadget(GDI_CUSTOM_ID, id,
6020                       GDI_CUSTOM_TYPE_ID, i,
6021                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6022                       GDI_X, x,
6023                       GDI_Y, y,
6024                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6025                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6026                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6027                       GDI_CHECKED, *checkbutton_info[i].value,
6028                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6029                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6030                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6031                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6032                       GDI_EVENT_MASK, event_mask,
6033                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6034                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6035                       GDI_END);
6036
6037     if (gi == NULL)
6038       Error(ERR_EXIT, "cannot create gadget");
6039
6040     level_editor_gadget[id] = gi;
6041     right_gadget_border[id] =
6042       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6043   }
6044 }
6045
6046 static void CreateRadiobuttonGadgets()
6047 {
6048   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6049   struct GadgetInfo *gi;
6050   unsigned long event_mask;
6051   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6052   int i;
6053
6054   event_mask = GD_EVENT_PRESSED;
6055
6056   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6057   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6058   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6059   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6060   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6061
6062   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6063   {
6064     int id = radiobutton_info[i].gadget_id;
6065     int x = SX + radiobutton_info[i].x;
6066     int y = SY + radiobutton_info[i].y;
6067
6068     int checked =
6069       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6070
6071     /* determine horizontal position to the right of specified gadget */
6072     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6073       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6074            ED_GADGET_TEXT_DISTANCE);
6075
6076     /* determine horizontal offset for leading text */
6077     if (radiobutton_info[i].text_left != NULL)
6078       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6079
6080     gi = CreateGadget(GDI_CUSTOM_ID, id,
6081                       GDI_CUSTOM_TYPE_ID, i,
6082                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6083                       GDI_X, x,
6084                       GDI_Y, y,
6085                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6086                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6087                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6088                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6089                       GDI_CHECKED, checked,
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, HandleRadiobuttons,
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, radiobutton_info[i].text_right);
6105   }
6106 }
6107
6108 void CreateLevelEditorGadgets()
6109 {
6110   int old_game_status = game_status;
6111
6112   /* setting 'game_status' is needed to get the right fonts for the editor */
6113   game_status = GAME_MODE_EDITOR;
6114
6115   ReinitializeElementList();
6116
6117   CreateControlButtons();
6118   CreateScrollbarGadgets();
6119
6120   /* order of function calls is important because of cross-references */
6121   CreateCheckbuttonGadgets();
6122   CreateCounterButtons();
6123   CreateRadiobuttonGadgets();
6124   CreateTextInputGadgets();
6125   CreateTextAreaGadgets();
6126   CreateSelectboxGadgets();
6127   CreateGraphicbuttonGadgets();
6128   CreateTextbuttonGadgets();
6129   CreateDrawingAreas();
6130
6131   game_status = old_game_status;
6132 }
6133
6134 void FreeLevelEditorGadgets()
6135 {
6136   int i;
6137
6138   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6139   {
6140     FreeGadget(level_editor_gadget[i]);
6141
6142     level_editor_gadget[i] = NULL;
6143   }
6144 }
6145
6146 static void MapCounterButtons(int id)
6147 {
6148   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6149   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6150   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6151   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6152   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6153   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6154   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6155   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6156   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6157   int yoffset = ED_BORDER_SIZE;
6158   int x_left = gi_down->x - xoffset_left;
6159   int x_right;  /* set after gadget position was modified */
6160   int y_above = gi_down->y - yoffset_above;
6161   int x = gi_down->x;
6162   int y;        /* set after gadget position was modified */
6163
6164   /* counter limits must be changed first to prevent value truncation */
6165   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6166                             counterbutton_info[id].max_value);
6167
6168   /* right text position might have changed after setting position above */
6169   x_right = gi_up->x + gi_up->width + xoffset_right;
6170
6171   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6172
6173   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6174   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6175       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6176   {
6177     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6178     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6179     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6180   }
6181
6182   /* vertical position might have changed after setting position above */
6183   y = gi_up->y + yoffset;
6184
6185   if (counterbutton_info[id].text_above)
6186     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6187
6188   if (counterbutton_info[id].text_left)
6189     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6190
6191   if (counterbutton_info[id].text_right)
6192     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6193
6194   MapGadget(gi_down);
6195   MapGadget(gi_text);
6196   MapGadget(gi_up);
6197 }
6198
6199 static void MapControlButtons()
6200 {
6201   int counter_id;
6202   int i;
6203
6204   /* map toolbox buttons (excluding special CE toolbox buttons) */
6205   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6206     MapGadget(level_editor_gadget[i]);
6207
6208   /* map buttons to select elements */
6209   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6210     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6211   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6212   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6213   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6214
6215   /* map buttons to select level */
6216   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6217   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6218   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6219   MapCounterButtons(counter_id);
6220 }
6221
6222 static void MapDrawingArea(int id)
6223 {
6224   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6225   int area_xsize = gi->drawing.area_xsize;
6226   int area_ysize = gi->drawing.area_ysize;
6227   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6228   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6229   int x_left  = gi->x - xoffset_left;
6230   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6231   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6232   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6233   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6234
6235   if (drawingarea_info[id].text_left)
6236     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6237
6238   if (drawingarea_info[id].text_right)
6239     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6240
6241   if (drawingarea_info[id].text_below)
6242     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6243
6244   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6245   {
6246     DrawElementBorder(gi->x, gi->y,
6247                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6248
6249     DrawDrawingArea(id);
6250   }
6251
6252   MapGadget(gi);
6253 }
6254
6255 static void MapTextInputGadget(int id)
6256 {
6257   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6258   int xoffset_above = 0;
6259   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6260   int x_above = textinput_info[id].x + xoffset_above;
6261   int y_above = textinput_info[id].y + yoffset_above;
6262
6263   if (textinput_info[id].text_above)
6264     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6265
6266   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6267
6268   MapGadget(gi);
6269 }
6270
6271 static void MapTextAreaGadget(int id)
6272 {
6273   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6274   int xoffset_above = 0;
6275   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6276   int x_above = textarea_info[id].x + xoffset_above;
6277   int y_above = textarea_info[id].y + yoffset_above;
6278
6279   if (textarea_info[id].text_above)
6280     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6281
6282   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6283
6284   MapGadget(gi);
6285 }
6286
6287 static void MapSelectboxGadget(int id)
6288 {
6289   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6290   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6291   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6292   int yoffset = ED_BORDER_SIZE;
6293   int x_left = gi->x - xoffset_left;
6294   int x_right = gi->x + gi->width + xoffset_right;
6295   int y = gi->y + yoffset;
6296
6297   if (selectbox_info[id].text_left)
6298     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6299
6300   if (selectbox_info[id].text_right)
6301     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6302
6303   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6304
6305   MapGadget(gi);
6306 }
6307
6308 static void MapTextbuttonGadget(int id)
6309 {
6310   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6311   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6312   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6313   int yoffset = ED_BORDER_SIZE;
6314   int x_left = gi->x - xoffset_left;
6315   int x_right = gi->x + gi->width + xoffset_right;
6316   int y = gi->y + yoffset;
6317
6318   /* only show button to delete change pages when more than minimum pages */
6319   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6320       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6321     return;
6322
6323   if (textbutton_info[id].text_left)
6324     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6325
6326   if (textbutton_info[id].text_right)
6327     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6328
6329   MapGadget(gi);
6330 }
6331
6332 static void MapGraphicbuttonGadget(int id)
6333 {
6334   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6335   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6336   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6337   int yoffset = ED_BORDER_SIZE;
6338   int x_left = gi->x - xoffset_left;
6339   int x_right = gi->x + gi->width + xoffset_right;
6340   int y = gi->y + yoffset;
6341
6342   if (graphicbutton_info[id].text_left)
6343     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6344
6345   if (graphicbutton_info[id].text_right)
6346     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6347
6348   MapGadget(gi);
6349 }
6350
6351 static void MapRadiobuttonGadget(int id)
6352 {
6353   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6354   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6355   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6356   int yoffset = ED_BORDER_SIZE;
6357   int x_left = gi->x - xoffset_left;
6358   int x_right = gi->x + gi->width + xoffset_right;
6359   int y = gi->y + yoffset;
6360   boolean checked =
6361     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6362
6363   if (radiobutton_info[id].text_left)
6364     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6365
6366   if (radiobutton_info[id].text_right)
6367     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6368
6369   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6370
6371   MapGadget(gi);
6372 }
6373
6374 static void MapCheckbuttonGadget(int id)
6375 {
6376   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6377   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6378   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6379   int yoffset = ED_BORDER_SIZE;
6380   int x_left, x_right, y;       /* set after gadget position was modified */
6381
6382   /* set position for gadgets with dynamically determined position */
6383   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6384     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6385   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6386
6387   x_left = gi->x - xoffset_left;
6388   x_right = gi->x + gi->width + xoffset_right;
6389   y = gi->y + yoffset;
6390
6391   if (checkbutton_info[id].text_left)
6392     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6393
6394   if (checkbutton_info[id].text_right)
6395     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6396
6397   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6398
6399   MapGadget(gi);
6400 }
6401
6402 static void MapMainDrawingArea()
6403 {
6404   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6405   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6406   int i;
6407
6408   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6409   {
6410     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6411           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6412          no_horizontal_scrollbar) ||
6413         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6414           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6415          no_vertical_scrollbar))
6416       continue;
6417
6418     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6419   }
6420
6421   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6422   {
6423     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6424         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6425       continue;
6426
6427     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6428   }
6429
6430   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6431 }
6432
6433 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6434 {
6435   int i;
6436
6437   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6438   {
6439     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6440         i == GADGET_ID_CUSTOM_COPY_TO ||
6441         i == GADGET_ID_CUSTOM_EXCHANGE ||
6442         i == GADGET_ID_CUSTOM_COPY ||
6443         i == GADGET_ID_CUSTOM_PASTE)
6444     {
6445       if (map)
6446         MapGadget(level_editor_gadget[i]);
6447       else
6448         UnmapGadget(level_editor_gadget[i]);
6449     }
6450   }
6451 }
6452
6453 static void MapLevelEditorToolboxCustomGadgets()
6454 {
6455   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6456 }
6457
6458 static void UnmapLevelEditorToolboxCustomGadgets()
6459 {
6460   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6461 }
6462
6463 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6464 {
6465   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6466   int i;
6467
6468   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6469   {
6470     if (i != GADGET_ID_SINGLE_ITEMS &&
6471         i != GADGET_ID_PROPERTIES &&
6472         i != GADGET_ID_PICK_ELEMENT)
6473     {
6474       struct GadgetInfo *gi = level_editor_gadget[i];
6475
6476       if (map)
6477         MapGadget(gi);
6478       else
6479       {
6480         UnmapGadget(gi);
6481
6482         BlitBitmap(gd_bitmap, drawto,
6483                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6484                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6485                    gi->width, gi->height, gi->x, gi->y);
6486
6487         redraw_mask |= REDRAW_DOOR_3;
6488       }
6489     }
6490   }
6491 }
6492
6493 static void MapLevelEditorToolboxDrawingGadgets()
6494 {
6495   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6496 }
6497
6498 static void UnmapLevelEditorToolboxDrawingGadgets()
6499 {
6500   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6501 }
6502
6503 static void UnmapDrawingArea(int id)
6504 {
6505   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6506 }
6507
6508 static void UnmapLevelEditorWindowGadgets()
6509 {
6510   int i;
6511
6512   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6513     if (level_editor_gadget[i]->x < SX + SXSIZE)
6514       UnmapGadget(level_editor_gadget[i]);
6515 }
6516
6517 void UnmapLevelEditorGadgets()
6518 {
6519   int i;
6520
6521   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
6522     UnmapGadget(level_editor_gadget[i]);
6523 }
6524
6525 static void ResetUndoBuffer()
6526 {
6527   undo_buffer_position = -1;
6528   undo_buffer_steps = -1;
6529   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6530
6531   level.changed = FALSE;
6532 }
6533
6534 static void DrawEditModeWindow()
6535 {
6536   ModifyEditorElementList();
6537   RedrawDrawingElements();
6538
6539   if (edit_mode == ED_MODE_INFO)
6540     DrawLevelInfoWindow();
6541   else if (edit_mode == ED_MODE_PROPERTIES)
6542     DrawPropertiesWindow();
6543   else  /* edit_mode == ED_MODE_DRAWING */
6544     DrawDrawingWindow();
6545 }
6546
6547 static boolean LevelChanged()
6548 {
6549   boolean field_changed = FALSE;
6550   int x, y;
6551
6552   if (leveldir_current->readonly)
6553     return FALSE;
6554
6555   for (y = 0; y < lev_fieldy; y++)
6556     for (x = 0; x < lev_fieldx; x++)
6557       if (Feld[x][y] != level.field[x][y])
6558         field_changed = TRUE;
6559
6560   return (level.changed || field_changed);
6561 }
6562
6563 static boolean LevelContainsPlayer()
6564 {
6565   boolean player_found = FALSE;
6566   int x, y;
6567
6568   return TRUE;          /* !!! CURRENTLY DEACTIVATED !!! */
6569
6570   for (y = 0; y < lev_fieldy; y++) for (x = 0; x < lev_fieldx; x++)
6571   {
6572     if (Feld[x][y] == EL_PLAYER_1 ||
6573         Feld[x][y] == EL_SP_MURPHY)
6574       player_found = TRUE;
6575   }
6576
6577   return player_found;
6578 }
6579
6580 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6581                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6582 {
6583   int x, y;
6584
6585   for (x = 0; x < lev_fieldx; x++)
6586     for (y = 0; y < lev_fieldy; y++)
6587       dst[x][y] = src[x][y];
6588 }
6589
6590 static int setSelectboxValue(int selectbox_id, int new_value)
6591 {
6592   int new_index_value = 0;
6593   int i;
6594
6595   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6596     if (selectbox_info[selectbox_id].options[i].value == new_value)
6597       new_index_value = i;
6598
6599   *selectbox_info[selectbox_id].value =
6600     selectbox_info[selectbox_id].options[new_index_value].value;
6601
6602   return new_index_value;
6603 }
6604
6605 static void setSelectboxSpecialActionVariablesIfNeeded()
6606 {
6607   int i;
6608
6609   /* change action mode and arg variables according to action type variable */
6610   for (i = 0; action_arg_options[i].value != -1; i++)
6611   {
6612     if (action_arg_options[i].value == custom_element_change.action_type)
6613     {
6614       int mode = action_arg_options[i].mode;
6615
6616       /* only change if corresponding selectbox has changed */
6617       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6618           action_arg_modes[mode])
6619         custom_element_change.action_mode = -1;
6620
6621       /* only change if corresponding selectbox has changed */
6622       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6623           action_arg_options[i].options)
6624         custom_element_change.action_arg = -1;
6625
6626       break;
6627     }
6628   }
6629 }
6630
6631 static void setSelectboxSpecialActionOptions()
6632 {
6633   int i;
6634
6635   /* change action mode and arg selectbox according to action type selectbox */
6636   for (i = 0; action_arg_options[i].value != -1; i++)
6637   {
6638     if (action_arg_options[i].value == custom_element_change.action_type)
6639     {
6640       int mode = action_arg_options[i].mode;
6641
6642       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6643                                    action_arg_modes[mode]);
6644       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6645                                  custom_element_change.action_mode);
6646
6647       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6648                                    action_arg_options[i].options);
6649       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6650                                  custom_element_change.action_arg);
6651       break;
6652     }
6653   }
6654 }
6655
6656 static void copy_custom_element_settings(int element_from, int element_to)
6657 {
6658   struct ElementInfo *ei_from = &element_info[element_from];
6659   struct ElementInfo *ei_to = &element_info[element_to];
6660
6661   copyElementInfo(ei_from, ei_to);
6662 }
6663
6664 static void replace_custom_element_in_settings(int element_from,
6665                                                int element_to)
6666 {
6667   int i, j, x, y;
6668
6669   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6670   {
6671     struct ElementInfo *ei = &element_info[i];
6672
6673     for (y = 0; y < 3; y++)
6674       for (x = 0; x < 3; x++)
6675         if (ei->content.e[x][y] == element_from)
6676           ei->content.e[x][y] = element_to;
6677
6678     for (j = 0; j < ei->num_change_pages; j++)
6679     {
6680       struct ElementChangeInfo *change = &ei->change_page[j];
6681
6682       if (change->target_element == element_from)
6683         change->target_element = element_to;
6684
6685       if (change->initial_trigger_element == element_from)
6686         change->initial_trigger_element = element_to;
6687
6688       if (change->action_element == element_from)
6689         change->action_element = element_to;
6690
6691       for (y = 0; y < 3; y++)
6692         for (x = 0; x < 3; x++)
6693           if (change->target_content.e[x][y] == element_from)
6694             change->target_content.e[x][y] = element_to;
6695     }
6696
6697     if (ei->group != NULL)                              /* group or internal */
6698       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6699         if (ei->group->element[j] == element_from)
6700           ei->group->element[j] = element_to;
6701   }
6702 }
6703
6704 static void replace_custom_element_in_playfield(int element_from,
6705                                                 int element_to)
6706 {
6707   int x, y;
6708
6709   for (x = 0; x < lev_fieldx; x++)
6710     for (y = 0; y < lev_fieldy; y++)
6711       if (Feld[x][y] == element_from)
6712         Feld[x][y] = element_to;
6713 }
6714
6715 static boolean CopyCustomElement(int element_old, int element_new,
6716                                  int copy_mode)
6717 {
6718   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6719   {
6720     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6721                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6722     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6723   }
6724   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
6725   {
6726     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
6727                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6728     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6729
6730     level.changed = TRUE;
6731   }
6732   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
6733   {
6734     Request("Please choose custom element !", REQ_CONFIRM);
6735
6736     return FALSE;
6737   }
6738   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
6739   {
6740     Request("Please choose group element !", REQ_CONFIRM);
6741
6742     return FALSE;
6743   }
6744   else
6745   {
6746     level.changed = TRUE;
6747   }
6748
6749   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
6750   {
6751     copy_custom_element_settings(element_new, element_old);
6752   }
6753   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
6754   {
6755     copy_custom_element_settings(element_old, element_new);
6756   }
6757   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
6758   {
6759     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
6760     copy_custom_element_settings(element_new, element_old);
6761     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
6762
6763     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
6764     replace_custom_element_in_settings(element_new, element_old);
6765     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
6766
6767     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
6768     replace_custom_element_in_playfield(element_new, element_old);
6769     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
6770   }
6771
6772   UpdateCustomElementGraphicGadgets();
6773   DrawPropertiesWindow();
6774
6775   return TRUE;
6776 }
6777
6778 static void CopyCustomElementPropertiesToEditor(int element)
6779 {
6780   int i;
6781   int current_change_page = element_info[element].current_change_page;
6782
6783   /* dynamically (re)build selectbox for selecting change page */
6784   for (i = 0; i < element_info[element].num_change_pages; i++)
6785   {
6786     sprintf(options_change_page_strings[i], "%d", i + 1);
6787
6788     options_change_page[i].value = i;
6789     options_change_page[i].text = options_change_page_strings[i];
6790   }
6791
6792   options_change_page[i].value = -1;
6793   options_change_page[i].text = NULL;
6794
6795   /* needed here to initialize combined element properties */
6796   InitElementPropertiesEngine(level.game_version);
6797
6798   element_info[element].change =
6799     &element_info[element].change_page[current_change_page];
6800
6801   custom_element = element_info[element];
6802   custom_element_change = *element_info[element].change;
6803
6804   /* needed to initially set selectbox options for special action options */
6805   setSelectboxSpecialActionOptions();
6806
6807   /* needed to initially set selectbox value variables to reliable defaults */
6808   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6809     setSelectboxValue(i, *selectbox_info[i].value);
6810
6811   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
6812     custom_element_properties[i] = HAS_PROPERTY(element, i);
6813
6814   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
6815     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
6816
6817   /* ---------- element settings: configure (custom elements) ------------- */
6818
6819   /* set accessible layer selectbox help value */
6820   custom_element.access_type =
6821     (IS_WALKABLE(element) ? EP_WALKABLE :
6822      IS_PASSABLE(element) ? EP_PASSABLE :
6823      custom_element.access_type);
6824   custom_element.access_layer =
6825     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
6826      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
6827      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
6828      custom_element.access_layer);
6829   custom_element.access_protected =
6830     (IS_PROTECTED(element) ? 1 : 0);
6831   custom_element_properties[EP_ACCESSIBLE] =
6832     (IS_ACCESSIBLE_OVER(element) ||
6833      IS_ACCESSIBLE_INSIDE(element) ||
6834      IS_ACCESSIBLE_UNDER(element));
6835
6836   /* set walk-to-object action selectbox help value */
6837   custom_element.walk_to_action =
6838     (IS_DIGGABLE(element) ? EP_DIGGABLE :
6839      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
6840      IS_DROPPABLE(element) ? EP_DROPPABLE :
6841      IS_THROWABLE(element) ? EP_THROWABLE :
6842      IS_PUSHABLE(element) ? EP_PUSHABLE :
6843      custom_element.walk_to_action);
6844   custom_element_properties[EP_WALK_TO_OBJECT] =
6845     (IS_DIGGABLE(element) ||
6846      IS_COLLECTIBLE_ONLY(element) ||
6847      IS_DROPPABLE(element) ||
6848      IS_THROWABLE(element) ||
6849      IS_PUSHABLE(element));
6850
6851   /* set smash targets selectbox help value */
6852   custom_element.smash_targets =
6853     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
6854      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
6855      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
6856      custom_element.smash_targets);
6857   custom_element_properties[EP_CAN_SMASH] =
6858     (CAN_SMASH_EVERYTHING(element) ||
6859      CAN_SMASH_ENEMIES(element) ||
6860      CAN_SMASH_PLAYER(element));
6861
6862   /* set deadliness selectbox help value */
6863   custom_element.deadliness =
6864     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
6865      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
6866      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
6867      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
6868      custom_element.deadliness);
6869   custom_element_properties[EP_DEADLY] =
6870     (DONT_TOUCH(element) ||
6871      DONT_GET_HIT_BY(element) ||
6872      DONT_COLLIDE_WITH(element) ||
6873      DONT_RUN_INTO(element));
6874
6875   /* ---------- element settings: advanced (custom elements) --------------- */
6876
6877   /* set "change by direct action" selectbox help value */
6878   custom_element_change.direct_action =
6879     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
6880      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
6881      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
6882      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
6883      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
6884      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
6885      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
6886      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
6887      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
6888      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
6889      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
6890      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
6891      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
6892      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
6893      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
6894      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
6895      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
6896      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
6897      custom_element_change.direct_action);
6898
6899   /* set "change by other element action" selectbox help value */
6900   custom_element_change.other_action =
6901     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
6902      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
6903      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
6904      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
6905      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
6906      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
6907      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
6908      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
6909      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
6910      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
6911      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
6912      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
6913      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
6914      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
6915      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
6916      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
6917      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
6918      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
6919      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
6920      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
6921      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
6922      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
6923      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
6924      custom_element_change.other_action);
6925 }
6926
6927 static void CopyGroupElementPropertiesToEditor(int element)
6928 {
6929   group_element_info = *element_info[element].group;
6930   custom_element = element_info[element];       /* needed for description */
6931 }
6932
6933 static void CopyClassicElementPropertiesToEditor(int element)
6934 {
6935   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
6936     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
6937       getMoveIntoAcidProperty(&level, element);
6938
6939   if (MAYBE_DONT_COLLIDE_WITH(element))
6940     custom_element_properties[EP_DONT_COLLIDE_WITH] =
6941       getDontCollideWithProperty(&level, element);
6942 }
6943
6944 static void CopyElementPropertiesToEditor(int element)
6945 {
6946   if (IS_CUSTOM_ELEMENT(element))
6947     CopyCustomElementPropertiesToEditor(element);
6948   else if (IS_GROUP_ELEMENT(element))
6949     CopyGroupElementPropertiesToEditor(element);
6950   else
6951     CopyClassicElementPropertiesToEditor(element);
6952 }
6953
6954 static void CopyCustomElementPropertiesToGame(int element)
6955 {
6956   int i;
6957   int access_type_and_layer;
6958
6959   /* mark that this custom element has been modified */
6960   custom_element.modified_settings = TRUE;
6961   level.changed = TRUE;
6962
6963   if (level.use_custom_template)
6964   {
6965     if (Request("Copy and modify level template ?", REQ_ASK))
6966     {
6967       level.use_custom_template = FALSE;
6968       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
6969                    GDI_CHECKED, FALSE, GDI_END);
6970     }
6971     else
6972     {
6973       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
6974
6975       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
6976     }
6977   }
6978
6979   element_info[element] = custom_element;
6980   *element_info[element].change = custom_element_change;
6981
6982   /* ---------- element settings: configure (custom elements) ------------- */
6983
6984   /* set accessible property from checkbox and selectbox */
6985   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
6986   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
6987   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
6988   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
6989   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
6990   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
6991   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
6992                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
6993                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
6994   custom_element_properties[access_type_and_layer] =
6995     custom_element_properties[EP_ACCESSIBLE];
6996   custom_element_properties[EP_PROTECTED] =
6997     (custom_element.access_protected != 0 &&
6998      custom_element_properties[EP_ACCESSIBLE]);
6999
7000   /* set walk-to-object property from checkbox and selectbox */
7001   custom_element_properties[EP_DIGGABLE] = FALSE;
7002   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7003   custom_element_properties[EP_DROPPABLE] = FALSE;
7004   custom_element_properties[EP_THROWABLE] = FALSE;
7005   custom_element_properties[EP_PUSHABLE] = FALSE;
7006   custom_element_properties[custom_element.walk_to_action] =
7007     custom_element_properties[EP_WALK_TO_OBJECT];
7008
7009   /* set smash property from checkbox and selectbox */
7010   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7011   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7012   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7013   custom_element_properties[custom_element.smash_targets] =
7014     custom_element_properties[EP_CAN_SMASH];
7015
7016   /* set deadliness property from checkbox and selectbox */
7017   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7018   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7019   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7020   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7021   custom_element_properties[custom_element.deadliness] =
7022     custom_element_properties[EP_DEADLY];
7023
7024   /* ---------- element settings: advanced (custom elements) --------------- */
7025
7026   /* set player change event from checkbox and selectbox */
7027   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7028   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7029   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7030   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7031   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7032   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7033   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7034   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7035   custom_element_change_events[CE_SWITCHED] = FALSE;
7036   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7037   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7038   custom_element_change_events[CE_BLOCKED] = FALSE;
7039   custom_element_change_events[CE_IMPACT] = FALSE;
7040   custom_element_change_events[CE_SMASHED] = FALSE;
7041   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7042   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7043   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7044   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7045   custom_element_change_events[custom_element_change.direct_action] =
7046     custom_element_change_events[CE_BY_DIRECT_ACTION];
7047
7048   /* set other element action change event from checkbox and selectbox */
7049   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7050   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7051   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7052   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7053   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7054   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7055   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7056   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7057   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7058   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7059   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7060   custom_element_change_events[CE_HITTING_X] = FALSE;
7061   custom_element_change_events[CE_DIGGING_X] = FALSE;
7062   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7063   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7064   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7065   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7066   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7067   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7068   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7069   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7070   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7071   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7072   custom_element_change_events[custom_element_change.other_action] =
7073     custom_element_change_events[CE_BY_OTHER_ACTION];
7074
7075   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7076     SET_PROPERTY(element, i, custom_element_properties[i]);
7077
7078   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7079     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7080
7081   /* copy change events also to special level editor variable */
7082   custom_element = element_info[element];
7083   custom_element_change = *element_info[element].change;
7084 }
7085
7086 static void CopyGroupElementPropertiesToGame(int element)
7087 {
7088   element_info[element] = custom_element;
7089   *element_info[element].group = group_element_info;
7090
7091   /* mark that this group element has been modified */
7092   element_info[element].modified_settings = TRUE;
7093   level.changed = TRUE;
7094 }
7095
7096 static void CopyClassicElementPropertiesToGame(int element)
7097 {
7098   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7099     setMoveIntoAcidProperty(&level, element,
7100                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7101
7102   if (MAYBE_DONT_COLLIDE_WITH(element))
7103     setDontCollideWithProperty(&level, element,
7104                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7105 }
7106
7107 static void CopyElementPropertiesToGame(int element)
7108 {
7109   if (IS_CUSTOM_ELEMENT(element))
7110     CopyCustomElementPropertiesToGame(element);
7111   else if (IS_GROUP_ELEMENT(element))
7112     CopyGroupElementPropertiesToGame(element);
7113   else
7114     CopyClassicElementPropertiesToGame(element);
7115 }
7116
7117 void CheckElementDescriptions()
7118 {
7119   int i;
7120
7121   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7122     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7123       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7124 }
7125
7126 void DrawLevelEd()
7127 {
7128   CloseDoor(DOOR_CLOSE_ALL);
7129
7130 #if 1
7131   FadeOut(REDRAW_FIELD);
7132 #endif
7133
7134   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
7135
7136 #if DEBUG
7137   CheckElementDescriptions();
7138 #endif
7139
7140   if (level_editor_test_game)
7141   {
7142     CopyPlayfield(level.field, Feld);
7143     CopyPlayfield(FieldBackup, level.field);
7144
7145     level_editor_test_game = FALSE;
7146   }
7147   else
7148   {
7149     edit_mode = ED_MODE_DRAWING;
7150     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7151
7152     ResetUndoBuffer();
7153
7154     level_xpos = -1;
7155     level_ypos = -1;
7156   }
7157
7158   /* copy default editor door content to main double buffer */
7159   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7160              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
7161
7162   /* draw bigger door */
7163   DrawSpecialEditorDoor();
7164
7165   /* draw new control window */
7166   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7167              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7168
7169   redraw_mask |= REDRAW_ALL;
7170
7171   ReinitializeElementList();            /* update dynamic level element list */
7172   ReinitializeElementListButtons();     /* custom element may look different */
7173
7174   InitElementPropertiesGfxElement();
7175
7176 #if 1
7177   UnmapAllGadgets();
7178 #else
7179   UnmapTapeButtons();
7180 #endif
7181   MapControlButtons();
7182
7183 #if 0
7184   FadeOut(REDRAW_FIELD);
7185 #endif
7186
7187   DrawEditModeWindow();
7188
7189 #if 1
7190   FadeIn(REDRAW_FIELD);
7191 #endif
7192
7193   /* copy actual editor door content to door double buffer for OpenDoor() */
7194   BlitBitmap(drawto, bitmap_db_door,
7195              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7196
7197 #if 1
7198   /* draw new control window (with border) to window */
7199   redraw_mask |= REDRAW_ALL;
7200   BackToFront();
7201 #endif
7202
7203   OpenDoor(DOOR_OPEN_1);
7204 }
7205
7206 static void AdjustDrawingAreaGadgets()
7207 {
7208   int ed_xsize = lev_fieldx + 2;
7209   int ed_ysize = lev_fieldy + 2;
7210   int max_ed_fieldx = MAX_ED_FIELDX;
7211   int max_ed_fieldy = MAX_ED_FIELDY;
7212   boolean horizontal_scrollbar_needed;
7213   boolean vertical_scrollbar_needed;
7214   int x, y, width, height;
7215   int xoffset, yoffset;
7216
7217   /* check if we need any scrollbars */
7218   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7219   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7220
7221   /* check if we have a smaller editor field because of scrollbars */
7222   if (horizontal_scrollbar_needed)
7223     max_ed_fieldy = MAX_ED_FIELDY - 1;
7224   if (vertical_scrollbar_needed)
7225     max_ed_fieldx = MAX_ED_FIELDX - 1;
7226
7227   /* check again if we now need more scrollbars because of less space */
7228   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7229   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7230
7231   /* check if editor field gets even smaller after adding new scrollbars */
7232   if (horizontal_scrollbar_needed)
7233     max_ed_fieldy = MAX_ED_FIELDY - 1;
7234   if (vertical_scrollbar_needed)
7235     max_ed_fieldx = MAX_ED_FIELDX - 1;
7236
7237   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7238   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7239
7240   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7241                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7242                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7243                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7244                GDI_END);
7245
7246   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7247   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7248
7249   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7250   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7251
7252   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7253   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7254
7255   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7256   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7257
7258   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7259                GDI_WIDTH, width,
7260                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7261                GDI_END);
7262   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7263                GDI_HEIGHT, height,
7264                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7265                GDI_END);
7266 }
7267
7268 static void AdjustLevelScrollPosition()
7269 {
7270   if (level_xpos < -1)
7271     level_xpos = -1;
7272   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7273     level_xpos = lev_fieldx - ed_fieldx + 1;
7274   if (lev_fieldx < ed_fieldx - 2)
7275     level_xpos = -1;
7276
7277   if (level_ypos < -1)
7278     level_ypos = -1;
7279   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7280     level_ypos = lev_fieldy - ed_fieldy + 1;
7281   if (lev_fieldy < ed_fieldy - 2)
7282     level_ypos = -1;
7283 }
7284
7285 static void AdjustEditorScrollbar(int id)
7286 {
7287   struct GadgetInfo *gi = level_editor_gadget[id];
7288   int items_max, items_visible, item_position;
7289
7290   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7291   {
7292     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7293     items_visible = ed_fieldx;
7294     item_position = level_xpos + 1;
7295   }
7296   else
7297   {
7298     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7299     items_visible = ed_fieldy;
7300     item_position = level_ypos + 1;
7301   }
7302
7303   if (item_position > items_max - items_visible)
7304     item_position = items_max - items_visible;
7305
7306   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7307                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7308 }
7309
7310 static void AdjustElementListScrollbar()
7311 {
7312   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7313   int items_max, items_visible, item_position;
7314
7315   /* correct position of element list scrollbar */
7316   if (element_shift < 0)
7317     element_shift = 0;
7318   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7319     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7320
7321   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7322   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7323   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7324
7325   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7326                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7327                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7328 }
7329
7330 static void ModifyEditorCounterValue(int counter_id, int new_value)
7331 {
7332   int *counter_value = counterbutton_info[counter_id].value;
7333   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7334   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7335
7336   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7337
7338   if (counter_value != NULL)
7339     *counter_value = gi->textinput.number_value;
7340 }
7341
7342 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7343 {
7344   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7345   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7346
7347   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7348
7349   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7350       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7351   {
7352     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7353     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7354
7355     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7356     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7357   }
7358 }
7359
7360 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7361 {
7362   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7363   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7364   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7365
7366   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7367 }
7368
7369 static void ModifyEditorSelectboxOptions(int selectbox_id,
7370                                          struct ValueTextInfo *options)
7371 {
7372   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7373   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7374
7375   selectbox_info[selectbox_id].options = options;
7376
7377   /* set index to zero -- list may be shorter now (correct later, if needed) */
7378   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7379                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7380 }
7381
7382 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7383 {
7384   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7385   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7386
7387   drawingarea_info[drawingarea_id].area_xsize = xsize;
7388   drawingarea_info[drawingarea_id].area_ysize = ysize;
7389
7390   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7391 }
7392
7393 static void ModifyEditorElementList()
7394 {
7395   int i;
7396
7397   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7398   {
7399     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7400     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7401     struct GadgetDesign *gd = &gi->deco.design;
7402     int element = editor_elements[element_shift + i];
7403
7404     UnmapGadget(gi);
7405
7406     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7407     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7408
7409     MapGadget(gi);
7410   }
7411 }
7412
7413 static void PickDrawingElement(int button, int element)
7414 {
7415   if (button < 1 || button > 3)
7416     return;
7417
7418   if (button == 1)
7419   {
7420     new_element1 = element;
7421     DrawMiniGraphicExt(drawto,
7422                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7423                        el2edimg(new_element1));
7424   }
7425   else if (button == 2)
7426   {
7427     new_element2 = element;
7428     DrawMiniGraphicExt(drawto,
7429                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7430                        el2edimg(new_element2));
7431   }
7432   else
7433   {
7434     new_element3 = element;
7435     DrawMiniGraphicExt(drawto,
7436                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7437                        el2edimg(new_element3));
7438   }
7439
7440   redraw_mask |= REDRAW_DOOR_1;
7441 }
7442
7443 static void RedrawDrawingElements()
7444 {
7445   PickDrawingElement(1, new_element1);
7446   PickDrawingElement(2, new_element2);
7447   PickDrawingElement(3, new_element3);
7448 }
7449
7450 static void DrawDrawingWindow()
7451 {
7452   stick_element_properties_window = FALSE;
7453
7454   SetMainBackgroundImage(IMG_UNDEFINED);
7455   ClearField();
7456
7457   UnmapLevelEditorWindowGadgets();
7458   UnmapLevelEditorToolboxCustomGadgets();
7459
7460   AdjustDrawingAreaGadgets();
7461   AdjustLevelScrollPosition();
7462   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7463   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7464
7465   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7466
7467   MapMainDrawingArea();
7468   MapLevelEditorToolboxDrawingGadgets();
7469 }
7470
7471 static void DrawLevelInfoWindow()
7472 {
7473   int i;
7474
7475   stick_element_properties_window = FALSE;
7476
7477   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7478   ClearField();
7479   UnmapLevelEditorWindowGadgets();
7480
7481 #if 0
7482   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Level Settings");
7483   DrawTextSCentered(ED_SETTINGS2_YPOS, FONT_TITLE_1, "Editor Settings");
7484 #else
7485   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
7486            "Level Settings", FONT_TITLE_1);
7487   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
7488            "Editor Settings", FONT_TITLE_1);
7489 #endif
7490
7491   /* draw counter gadgets */
7492   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7493     MapCounterButtons(i);
7494
7495   /* draw selectbox gadgets */
7496   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7497     MapSelectboxGadget(i);
7498
7499   /* draw checkbutton gadgets */
7500   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i <= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
7501     MapCheckbuttonGadget(i);
7502
7503   /* draw radiobutton gadgets */
7504   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i <= ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
7505     MapRadiobuttonGadget(i);
7506
7507   /* draw text input gadgets */
7508   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7509     MapTextInputGadget(i);
7510
7511   /* draw drawing area */
7512   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7513 }
7514
7515 static void DrawCustomContentArea()
7516 {
7517   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7518   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7519   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7520   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7521   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7522   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7523
7524   /* add distance for potential left text (without drawing area border) */
7525   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7526
7527   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7528
7529   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7530 }
7531
7532 static void DrawCustomChangeContentArea()
7533 {
7534   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7535   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7536   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7537   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7538   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7539   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7540
7541   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7542
7543   MapDrawingArea(id);
7544 }
7545
7546 static void DrawYamYamContentAreas()
7547 {
7548   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7549   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7550   int i;
7551
7552   /* display counter to choose number of element content areas */
7553   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7554
7555   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7556   {
7557     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7558
7559     if (i < level.num_yamyam_contents)
7560     {
7561       MapDrawingArea(id);
7562     }
7563     else
7564     {
7565       int font_height = getFontHeight(FONT_TEXT_1);
7566
7567       UnmapDrawingArea(id);
7568
7569       /* delete content areas in case of reducing number of them */
7570       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7571                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7572                      4 * MINI_TILEX,
7573                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7574     }
7575   }
7576
7577   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7578   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7579   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7580 }
7581
7582 static void DrawMagicBallContentAreas()
7583 {
7584   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7585   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7586   int i;
7587
7588   /* display counter to choose number of element content areas */
7589   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7590
7591   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7592   {
7593     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7594
7595     if (i < level.num_ball_contents)
7596     {
7597       MapDrawingArea(id);
7598     }
7599     else
7600     {
7601       int font_height = getFontHeight(FONT_TEXT_1);
7602
7603       UnmapDrawingArea(id);
7604
7605       /* delete content areas in case of reducing number of them */
7606       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7607                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7608                      4 * MINI_TILEX,
7609                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7610     }
7611   }
7612
7613   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
7614   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
7615   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
7616 }
7617
7618 static void DrawAndroidElementArea(int element)
7619 {
7620   int num_elements = level.num_android_clone_elements;
7621   int id = ED_DRAWING_ID_ANDROID_CONTENT;
7622   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7623   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7624   int xsize = MAX_ANDROID_ELEMENTS;
7625   int ysize = 1;
7626
7627   /* display counter to choose number of element areas */
7628   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
7629
7630   if (drawingarea_info[id].text_left != NULL)
7631     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7632
7633   UnmapDrawingArea(id);
7634
7635   ModifyEditorDrawingArea(id, num_elements, 1);
7636
7637   /* delete content areas in case of reducing number of them */
7638   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7639
7640   MapDrawingArea(id);
7641 }
7642
7643 static void DrawGroupElementArea(int element)
7644 {
7645   int num_elements = group_element_info.num_elements;
7646   int id = ED_DRAWING_ID_GROUP_CONTENT;
7647   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7648   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7649   int xsize = MAX_ELEMENTS_IN_GROUP;
7650   int ysize = 1;
7651
7652   if (drawingarea_info[id].text_left != NULL)
7653     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7654
7655   UnmapDrawingArea(id);
7656
7657   ModifyEditorDrawingArea(id, num_elements, 1);
7658
7659   /* delete content areas in case of reducing number of them */
7660   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7661
7662   MapDrawingArea(id);
7663 }
7664
7665 static void DrawPlayerInitialInventoryArea(int element)
7666 {
7667   int player_nr = GET_PLAYER_NR(element);
7668   int num_elements = level.initial_inventory_size[player_nr];
7669   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
7670   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7671   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7672   int xsize = MAX_INITIAL_INVENTORY_SIZE;
7673   int ysize = 1;
7674
7675   /* determine horizontal position to the right of specified gadget */
7676   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
7677     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
7678            ED_DRAWINGAREA_TEXT_DISTANCE);
7679
7680   /* determine horizontal offset for leading text */
7681   if (drawingarea_info[id].text_left != NULL)
7682     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7683
7684   UnmapDrawingArea(id);
7685
7686   ModifyEditorDrawingArea(id, num_elements, 1);
7687
7688   /* delete content areas in case of reducing number of them */
7689   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7690
7691   MapDrawingArea(id);
7692 }
7693
7694 static void DrawEnvelopeTextArea(int envelope_nr)
7695 {
7696   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
7697   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7698
7699   UnmapGadget(gi);
7700   DrawBackground(gi->x, gi->y, gi->width, gi->height);
7701
7702   if (envelope_nr != -1)
7703     textarea_info[id].value = level.envelope[envelope_nr].text;
7704
7705   ModifyGadget(gi, GDI_AREA_SIZE,
7706                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
7707                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
7708                GDI_END);
7709
7710   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
7711 }
7712
7713 static boolean PrintInfoText(char *text, int font_nr, int start_line)
7714 {
7715   int font_height = getFontHeight(font_nr);
7716   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7717   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7718   int sx = SX + pad_x;
7719   int sy = SY + pad_y;
7720   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
7721
7722   if (start_line >= max_lines_per_screen)
7723     return FALSE;
7724
7725   DrawText(sx, sy + start_line * font_height, text, font_nr);
7726
7727   return TRUE;
7728 }
7729
7730 static int PrintElementDescriptionFromFile(char *filename, int start_line)
7731 {
7732   int font_nr = FONT_TEXT_2;
7733   int font_width = getFontWidth(font_nr);
7734   int font_height = getFontHeight(font_nr);
7735   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7736   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7737   int sx = SX + pad_x;
7738   int sy = SY + pad_y + start_line * font_height;
7739   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
7740   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
7741
7742   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
7743                       max_lines_per_screen, -1, TRUE, FALSE, FALSE);
7744 }
7745
7746 static void DrawPropertiesTabulatorGadgets()
7747 {
7748   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7749   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7750   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7751   int gd_x = gd->x + gd_gi1->border.width / 2;
7752   int gd_y = gd->y + gd_gi1->height - 1;
7753   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7754   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7755   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7756 #if 1
7757 #else
7758   int max_tabs = 4;
7759 #endif
7760   int i;
7761
7762   /* draw two config tabulators for player elements */
7763   if (ELEM_IS_PLAYER(properties_element))
7764     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7765
7766   /* draw two config and one "change" tabulator for custom elements */
7767   if (IS_CUSTOM_ELEMENT(properties_element))
7768     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7769
7770   for (i = id_first; i <= id_last; i++)
7771   {
7772     int gadget_id = textbutton_info[i].gadget_id;
7773     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7774     boolean active = (i != edit_mode_properties);
7775
7776     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7777     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7778         (ELEM_IS_PLAYER(properties_element) ||
7779          IS_CUSTOM_ELEMENT(properties_element)))
7780       continue;
7781
7782     /* draw background line below tabulator button */
7783     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7784
7785     /* draw solid line below inactive tabulator buttons */
7786     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7787       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7788
7789     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7790     MapTextbuttonGadget(i);
7791   }
7792
7793 #if 1
7794   /* draw little border line below tabulator buttons */
7795   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7796     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7797                   gd_gi4->x - gd_gi1->x + gd_gi4->width, ED_GADGET_DISTANCE,
7798                   tab_color);
7799 #else
7800   /* draw little border line below tabulator buttons */
7801   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7802     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7803                   max_tabs * gd_gi1->width + (max_tabs -1) * ED_GADGET_DISTANCE,
7804                   ED_GADGET_DISTANCE, tab_color);
7805 #endif
7806 }
7807
7808 static void DrawPropertiesInfo()
7809 {
7810   static struct
7811   {
7812     int value;
7813     char *text;
7814   }
7815   properties[] =
7816   {
7817     /* configurable properties */
7818
7819     { EP_WALKABLE_OVER,         "- player can walk over it"             },
7820     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
7821     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
7822     { EP_PASSABLE_OVER,         "- player can pass over it"             },
7823     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
7824     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
7825     { EP_PROTECTED,             "- player is protected by it"           },
7826
7827     { EP_DIGGABLE,              "- can be digged away"                  },
7828     { EP_COLLECTIBLE,           "- can be collected"                    },
7829     { EP_DROPPABLE,             "- can be dropped after collecting"     },
7830     { EP_THROWABLE,             "- can be thrown after collecting"      },
7831     { EP_PUSHABLE,              "- can be pushed"                       },
7832
7833     { EP_CAN_FALL,              "- can fall"                            },
7834     { EP_CAN_MOVE,              "- can move"                            },
7835
7836     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
7837 #if 0
7838     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
7839 #endif
7840     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
7841
7842     { EP_SLIPPERY,              "- slippery for falling elements"       },
7843     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
7844
7845     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
7846     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
7847     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
7848     { EP_DONT_TOUCH,            "- deadly when touching"                },
7849
7850     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
7851
7852     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
7853     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
7854     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
7855
7856     { EP_CAN_CHANGE,            "- can change to other element"         },
7857
7858     /* pre-defined properties */
7859     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
7860     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
7861     { EP_SWITCHABLE,            "- can be switched"                     },
7862 #if 0
7863     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
7864 #endif
7865
7866     { -1,                       NULL                                    }
7867   };
7868   char *filename = getElementDescriptionFilename(properties_element);
7869   char *percentage_text = "In this level:";
7870   char *properties_text = "Standard properties:";
7871   float percentage;
7872   int num_elements_in_level;
7873   int num_standard_properties = 0;
7874   int font1_nr = FONT_TEXT_1;
7875   int font2_nr = FONT_TEXT_2;
7876   int font1_width = getFontWidth(font1_nr);
7877   int font2_height = getFontHeight(font2_nr);
7878   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
7879   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
7880   int screen_line = 0;
7881   int i, x, y;
7882
7883   if (setup.editor.show_element_token)
7884   {
7885     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
7886               "[%s]", element_info[properties_element].token_name);
7887     screen_line++;
7888   }
7889
7890   /* ----- print number of elements / percentage of this element in level */
7891
7892   num_elements_in_level = 0;
7893   for (y = 0; y < lev_fieldy; y++)
7894     for (x = 0; x < lev_fieldx; x++)
7895       if (Feld[x][y] == properties_element)
7896         num_elements_in_level++;
7897   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
7898
7899   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
7900             percentage_text);
7901   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
7902             pad_y + screen_line++ * font2_height, font2_nr,
7903             "%d (%.2f%%)", num_elements_in_level, percentage);
7904
7905   screen_line++;
7906
7907   /* ----- print standard properties of this element */
7908
7909   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
7910             properties_text);
7911
7912   for (i = 0; properties[i].value != -1; i++)
7913   {
7914     if (!HAS_PROPERTY(properties_element, properties[i].value))
7915       continue;
7916
7917     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
7918               properties[i].text);
7919     num_standard_properties++;
7920   }
7921
7922   if (num_standard_properties == 0)
7923     DrawTextS(pad_x + strlen(properties_text) * font1_width,
7924               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
7925
7926   screen_line++;
7927
7928   /* ----- print special description of this element */
7929
7930   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
7931   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
7932     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
7933 }
7934
7935 #define TEXT_COLLECTING         "Score for collecting"
7936 #define TEXT_SMASHING           "Score for smashing"
7937 #define TEXT_SLURPING           "Score for slurping robot"
7938 #define TEXT_CRACKING           "Score for cracking"
7939 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
7940 #define TEXT_DURATION           "Duration when activated"
7941 #define TEXT_BALL_DELAY         "Element generation delay"
7942 #define TEXT_MOVE_SPEED         "Speed of android moving"
7943 #define TEXT_CLONE_SPEED        "Speed of android cloning"
7944 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
7945 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
7946 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
7947 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
7948 #define TEXT_TIME_BONUS         "Extra time to solve level"
7949
7950 static struct
7951 {
7952   int element;
7953   int *value;
7954   char *text;
7955 } elements_with_counter[] =
7956 {
7957   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
7958   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
7959   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
7960   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
7961   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
7962   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
7963   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
7964   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
7965   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
7966   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
7967   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
7968   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
7969   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
7970   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
7971   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
7972   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
7973   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
7974   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
7975   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
7976   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
7977   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7978   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7979   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7980   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7981   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7982   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7983   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7984   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7985   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7986   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7987   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
7988   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7989   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7990   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7991   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7992   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7993   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
7994   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
7995   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
7996   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
7997   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
7998   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
7999   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8000   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8001   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8002   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8003   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8004   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8005   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8006   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8007   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8008   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8009   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8010   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8011   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8012   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8013   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8014   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8015   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8016   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8017   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8018   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8019   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8020   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8021   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8022   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8023   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8024   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8025   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8026   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8027   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8028   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8029   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8030   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8031
8032   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8033   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8034   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8035   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8036   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8037   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8038   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8039   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8040   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8041   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8042   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8043   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8044   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8045   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8046   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8047   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8048
8049   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8050   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8051   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8052   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8053   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8054   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8055   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8056   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8057
8058   { -1,                 NULL,                           NULL            }
8059 };
8060
8061 static boolean checkPropertiesConfig(int element)
8062 {
8063   int i;
8064
8065   if (IS_GEM(element) ||
8066       IS_CUSTOM_ELEMENT(element) ||
8067       IS_GROUP_ELEMENT(element) ||
8068       IS_ENVELOPE(element) ||
8069       ELEM_IS_PLAYER(element) ||
8070       HAS_EDITOR_CONTENT(element) ||
8071       CAN_GROW(element) ||
8072       COULD_MOVE_INTO_ACID(element) ||
8073       MAYBE_DONT_COLLIDE_WITH(element))
8074     return TRUE;
8075   else
8076     for (i = 0; elements_with_counter[i].element != -1; i++)
8077       if (elements_with_counter[i].element == element)
8078         return TRUE;
8079
8080   return FALSE;
8081 }
8082
8083 static void DrawPropertiesConfig()
8084 {
8085   int max_num_element_counters = 4;
8086   int num_element_counters = 0;
8087   int i;
8088
8089   if (!checkPropertiesConfig(properties_element))
8090   {
8091     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8092
8093     return;
8094   }
8095
8096   /* check if there are elements where a value can be chosen for */
8097   for (i = 0; elements_with_counter[i].element != -1; i++)
8098   {
8099     if (elements_with_counter[i].element == properties_element)
8100     {
8101       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8102
8103       counterbutton_info[counter_id].y =
8104         ED_ELEMENT_SETTINGS_YPOS(
8105                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8106                 (CAN_GROW(properties_element)                ? 1 : 0) +
8107                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8108                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8109                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8110                 num_element_counters);
8111
8112       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8113       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8114
8115       if (properties_element == EL_GAME_OF_LIFE ||
8116           properties_element == EL_BIOMAZE)
8117       {
8118         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8119         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8120       }
8121       else
8122       {
8123         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8124         counterbutton_info[counter_id].min_value = MIN_SCORE;
8125         counterbutton_info[counter_id].max_value = MAX_SCORE;
8126       }
8127
8128       MapCounterButtons(counter_id);
8129
8130       num_element_counters++;
8131       if (num_element_counters >= max_num_element_counters)
8132         break;
8133     }
8134   }
8135
8136   if (HAS_EDITOR_CONTENT(properties_element))
8137   {
8138     /* draw stickybutton gadget */
8139     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8140
8141     if (IS_AMOEBOID(properties_element))
8142       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8143     else if (properties_element == EL_YAMYAM ||
8144              properties_element == EL_YAMYAM_LEFT ||
8145              properties_element == EL_YAMYAM_RIGHT ||
8146              properties_element == EL_YAMYAM_UP ||
8147              properties_element == EL_YAMYAM_DOWN)
8148       DrawYamYamContentAreas();
8149     else if (properties_element == EL_EMC_MAGIC_BALL)
8150     {
8151       DrawMagicBallContentAreas();
8152
8153       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8154       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8155     }
8156     else if (properties_element == EL_EMC_ANDROID)
8157       DrawAndroidElementArea(properties_element);
8158   }
8159
8160   if (ELEM_IS_PLAYER(properties_element))
8161   {
8162     int player_nr = GET_PLAYER_NR(properties_element);
8163
8164     /* these properties can be set for every player individually */
8165
8166     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8167     {
8168       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8169         &level.start_element[player_nr];
8170       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8171         &level.artwork_element[player_nr];
8172       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8173         &level.explosion_element[player_nr];
8174
8175       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8176         &level.use_start_element[player_nr];
8177       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8178         &level.use_artwork_element[player_nr];
8179       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8180         &level.use_explosion_element[player_nr];
8181       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8182         &level.initial_player_gravity[player_nr];
8183
8184       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8185         &level.initial_player_stepsize[player_nr];
8186
8187       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8188       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8189                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8190                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8191       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8192       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8193       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8194       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8195       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8196       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8197       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8198       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8199       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8200
8201       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8202       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8203       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8204
8205       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8206     }
8207     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8208     {
8209       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8210         &level.initial_inventory_content[player_nr][0];
8211
8212       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8213         &level.initial_inventory_size[player_nr];
8214
8215       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8216         &level.use_initial_inventory[player_nr];
8217
8218       /* draw checkbutton gadgets */
8219       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8220
8221       /* draw counter gadgets */
8222       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8223
8224       /* draw drawing area gadgets */
8225       DrawPlayerInitialInventoryArea(properties_element);
8226     }
8227   }
8228
8229   if (IS_GEM(properties_element))
8230     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8231
8232   if (COULD_MOVE_INTO_ACID(properties_element) &&
8233       !ELEM_IS_PLAYER(properties_element) &&
8234       (!IS_CUSTOM_ELEMENT(properties_element) ||
8235        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8236   {
8237     /* set position for checkbutton for "can move into acid" */
8238     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8239       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8240     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8241       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8242                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8243
8244     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8245   }
8246
8247   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8248     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8249
8250   if (properties_element == EL_SPRING)
8251     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8252
8253   if (properties_element == EL_TIME_ORB_FULL)
8254     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8255
8256   if (CAN_GROW(properties_element))
8257   {
8258     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8259       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8260
8261     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8262   }
8263
8264   if (IS_ENVELOPE(properties_element))
8265   {
8266     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8267     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8268     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8269     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8270     int envelope_nr = properties_element - EL_ENVELOPE_1;
8271
8272     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8273     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8274
8275     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8276     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8277
8278     /* display counter to choose size of envelope text area */
8279     MapCounterButtons(counter1_id);
8280     MapCounterButtons(counter2_id);
8281
8282     /* display checkbuttons to choose auto-wrap and alignment properties */
8283     MapCheckbuttonGadget(button1_id);
8284     MapCheckbuttonGadget(button2_id);
8285
8286     DrawEnvelopeTextArea(envelope_nr);
8287   }
8288
8289   if (IS_CUSTOM_ELEMENT(properties_element))
8290   {
8291     /* draw stickybutton gadget */
8292     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8293
8294     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8295     {
8296       /* draw checkbutton gadgets */
8297       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8298            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8299         MapCheckbuttonGadget(i);
8300
8301       /* draw counter gadgets */
8302       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8303            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8304         MapCounterButtons(i);
8305
8306       /* draw selectbox gadgets */
8307       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8308            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8309         MapSelectboxGadget(i);
8310
8311       /* draw textbutton gadgets */
8312       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8313
8314       /* draw text input gadgets */
8315       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8316
8317       /* draw drawing area gadgets */
8318       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8319     }
8320     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8321     {
8322       /* draw checkbutton gadgets */
8323       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8324            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8325         MapCheckbuttonGadget(i);
8326
8327       /* draw counter gadgets */
8328       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8329            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8330         MapCounterButtons(i);
8331
8332       /* draw selectbox gadgets */
8333       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8334            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8335         MapSelectboxGadget(i);
8336
8337       /* draw drawing area gadgets */
8338       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8339       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8340       DrawCustomContentArea();
8341     }
8342   }
8343   else if (IS_GROUP_ELEMENT(properties_element))
8344   {
8345     /* draw stickybutton gadget */
8346     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8347
8348     /* draw checkbutton gadgets */
8349     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8350     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8351
8352     /* draw counter gadgets */
8353     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8354
8355     /* draw selectbox gadgets */
8356     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8357
8358     /* draw textbutton gadgets */
8359     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8360
8361     /* draw drawing area gadgets */
8362     DrawGroupElementArea(properties_element);
8363
8364     /* draw text input gadgets */
8365     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8366
8367     /* draw drawing area gadgets */
8368     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8369   }
8370 }
8371
8372 static void DrawPropertiesChangeDrawingAreas()
8373 {
8374   if (IS_CUSTOM_ELEMENT(properties_element))
8375   {
8376     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8377     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8378     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8379
8380     DrawCustomChangeContentArea();
8381   }
8382
8383   redraw_mask |= REDRAW_FIELD;
8384 }
8385
8386 static void DrawPropertiesChange()
8387 {
8388   int i;
8389
8390   /* needed to initially set selectbox options for special action options */
8391   setSelectboxSpecialActionOptions();
8392
8393   /* draw stickybutton gadget */
8394   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8395
8396   /* draw checkbutton gadgets */
8397   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8398        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8399     MapCheckbuttonGadget(i);
8400
8401   /* draw counter gadgets */
8402   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8403        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8404     MapCounterButtons(i);
8405
8406   /* draw selectbox gadgets */
8407   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8408        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8409     MapSelectboxGadget(i);
8410
8411   /* draw textbutton gadgets */
8412   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8413        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8414     MapTextbuttonGadget(i);
8415
8416   /* draw graphicbutton gadgets */
8417   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8418        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8419     MapGraphicbuttonGadget(i);
8420
8421   /* draw drawing area gadgets */
8422   DrawPropertiesChangeDrawingAreas();
8423 }
8424
8425 static void DrawEditorElementAnimation(int x, int y)
8426 {
8427   int graphic = el2img(properties_element);
8428   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8429                custom_element.ce_value_fixed_initial :
8430                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8431                custom_element.collect_score_initial : FrameCounter);
8432
8433   DrawGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8434 }
8435
8436 static void DrawEditorElementName(int x, int y, int element)
8437 {
8438   char *element_name = getElementInfoText(element);
8439   int font_nr = FONT_TEXT_1;
8440   int font_width = getFontWidth(font_nr);
8441   int font_height = getFontHeight(font_nr);
8442   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8443   int max_chars_per_line = max_text_width / font_width;
8444   char buffer[max_chars_per_line + 1];
8445
8446   if (strlen(element_name) <= max_chars_per_line)
8447     DrawTextS(x, y, font_nr, element_name);
8448   else
8449   {
8450     int next_pos = max_chars_per_line;
8451
8452     strncpy(buffer, element_name, max_chars_per_line);
8453     buffer[max_chars_per_line] = '\0';
8454
8455     if (element_name[max_chars_per_line] == ' ')
8456       next_pos++;
8457     else
8458     {
8459       int i;
8460
8461       for (i = max_chars_per_line - 1; i >= 0; i--)
8462         if (buffer[i] == ' ')
8463           break;
8464
8465       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8466       {
8467         buffer[i] = '\0';
8468         next_pos = i + 1;
8469       }
8470     }
8471
8472     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8473
8474     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8475     buffer[max_chars_per_line] = '\0';
8476
8477     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8478   }
8479 }
8480
8481 static void DrawPropertiesWindow()
8482 {
8483   int xstart = 2;
8484   int ystart = 4;
8485
8486   stick_element_properties_window = FALSE;
8487
8488   /* make sure that previous properties edit mode exists for this element */
8489   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8490       !IS_CUSTOM_ELEMENT(properties_element))
8491     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8492
8493   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8494       !ELEM_IS_PLAYER(properties_element) &&
8495       !IS_CUSTOM_ELEMENT(properties_element))
8496     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8497
8498   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8499       (ELEM_IS_PLAYER(properties_element) ||
8500        IS_CUSTOM_ELEMENT(properties_element)))
8501     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8502
8503   CopyElementPropertiesToEditor(properties_element);
8504
8505   UnmapLevelEditorWindowGadgets();
8506   UnmapLevelEditorToolboxDrawingGadgets();
8507   UnmapLevelEditorToolboxCustomGadgets();
8508
8509   if (IS_CUSTOM_ELEMENT(properties_element) ||
8510       IS_GROUP_ELEMENT(properties_element))
8511     MapLevelEditorToolboxCustomGadgets();
8512
8513   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8514   ClearField();
8515
8516 #if 0
8517   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8518 #else
8519   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
8520            "Element Settings", FONT_TITLE_1);
8521 #endif
8522
8523   FrameCounter = 0;     /* restart animation frame counter */
8524
8525   DrawElementBorder(SX + xstart * MINI_TILEX,
8526                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8527                     TILEX, TILEY, FALSE);
8528
8529   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8530                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8531
8532   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8533                         (ystart + 1) * MINI_TILEY + 1,
8534                         properties_element);
8535
8536   DrawPropertiesTabulatorGadgets();
8537
8538   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8539     DrawPropertiesInfo();
8540   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8541     DrawPropertiesChange();
8542   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8543     DrawPropertiesConfig();
8544 }
8545
8546 static void UpdateCustomElementGraphicGadgets()
8547 {
8548   struct ElementInfo *ei = &element_info[properties_element];
8549   int i;
8550
8551   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8552                      properties_element);
8553
8554   ModifyEditorElementList();
8555   RedrawDrawingElements();
8556
8557   /* force redraw of all mapped drawing area gadgets */
8558   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8559   {
8560     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8561
8562     if (gi->mapped)
8563       MapDrawingArea(i);
8564   }
8565 }
8566
8567 static int getOpenDirectionFromTube(int element)
8568 {
8569   switch (element)
8570   {
8571     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8572     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8573     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8574     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8575     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8576     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8577     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8578     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8579     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8580     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8581     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8582   }
8583
8584   return MV_NONE;
8585 }
8586
8587 static int getTubeFromOpenDirection(int direction)
8588 {
8589   switch (direction)
8590   {
8591     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8592     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8593     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8594     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8595     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8596     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8597     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8598     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8599     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8600     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8601     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8602
8603     /* if only one direction, fall back to simple tube with that direction */
8604     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8605     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8606     case (MV_UP):                       return EL_TUBE_VERTICAL;
8607     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8608   }
8609
8610   return EL_EMPTY;
8611 }
8612
8613 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8614 {
8615   int element_new = getTubeFromOpenDirection(direction);
8616
8617   return (element_new != EL_EMPTY ? element_new : element_old);
8618 }
8619
8620 static int getOpenDirectionFromBelt(int element)
8621 {
8622   int belt_dir = getBeltDirFromBeltElement(element);
8623
8624   return (belt_dir == MV_LEFT ? MV_RIGHT :
8625           belt_dir == MV_RIGHT ? MV_LEFT :
8626           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8627 }
8628
8629 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8630 {
8631   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8632                   direction == MV_RIGHT ? MV_LEFT :
8633                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8634
8635   if (direction == MV_NONE)
8636     return EL_EMPTY;
8637
8638   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8639 }
8640
8641 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8642                                                  int element_old)
8643 {
8644   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8645
8646   return (element_new != EL_EMPTY ? element_new : element_old);
8647 }
8648
8649 static int getOpenDirectionFromPool(int element)
8650 {
8651   switch (element)
8652   {
8653     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
8654     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
8655     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
8656     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
8657     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
8658     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
8659   }
8660
8661   return MV_NONE;
8662 }
8663
8664 static int getPoolFromOpenDirection(int direction)
8665 {
8666   switch (direction)
8667   {
8668     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
8669     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
8670     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
8671     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
8672     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
8673     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
8674   }
8675
8676   return EL_EMPTY;
8677 }
8678
8679 static int getPoolFromOpenDirectionExt(int direction, int help_element)
8680 {
8681   int element = getPoolFromOpenDirection(direction);
8682   int help_direction = getOpenDirectionFromPool(help_element);
8683
8684   if (element == EL_EMPTY)
8685   {
8686     int help_direction_vertical = help_direction & MV_VERTICAL;
8687
8688     element = getPoolFromOpenDirection(direction | help_direction_vertical);
8689   }
8690
8691   if (element == EL_EMPTY)
8692   {
8693     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
8694
8695     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
8696   }
8697
8698   return element;
8699 }
8700
8701 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
8702 {
8703   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
8704
8705   return (element_new != EL_EMPTY ? element_new : element_old);
8706 }
8707
8708 static int getOpenDirectionFromPillar(int element)
8709 {
8710   switch (element)
8711   {
8712     case EL_EMC_WALL_1:                 return (MV_DOWN);
8713     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
8714     case EL_EMC_WALL_3:                 return (MV_UP);
8715   }
8716
8717   return MV_NONE;
8718 }
8719
8720 static int getPillarFromOpenDirection(int direction)
8721 {
8722   switch (direction)
8723   {
8724     case (MV_DOWN):                     return EL_EMC_WALL_1;
8725     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
8726     case (MV_UP):                       return EL_EMC_WALL_3;
8727   }
8728
8729   return EL_EMPTY;
8730 }
8731
8732 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
8733 {
8734   int element_new = getPillarFromOpenDirection(direction);
8735
8736   return (element_new != EL_EMPTY ? element_new : element_old);
8737 }
8738
8739 static int getOpenDirectionFromSteel2(int element)
8740 {
8741   switch (element)
8742   {
8743     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
8744     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
8745     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
8746     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
8747     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
8748     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
8749     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
8750     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
8751   }
8752
8753   return MV_NONE;
8754 }
8755
8756 static int getSteel2FromOpenDirection(int direction)
8757 {
8758   switch (direction)
8759   {
8760     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
8761     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
8762     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
8763     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
8764     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
8765     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
8766     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
8767     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
8768   }
8769
8770   return EL_EMPTY;
8771 }
8772
8773 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
8774 {
8775   int element_new = getSteel2FromOpenDirection(direction);
8776
8777   return (element_new != EL_EMPTY ? element_new : element_old);
8778 }
8779
8780 static int getOpenDirectionFromChip(int element)
8781 {
8782   switch (element)
8783   {
8784     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
8785     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
8786     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
8787     case EL_SP_CHIP_TOP:                return (MV_DOWN);
8788     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
8789   }
8790
8791   return MV_NONE;
8792 }
8793
8794 static int getChipFromOpenDirection(int direction)
8795 {
8796   switch (direction)
8797   {
8798     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
8799     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
8800     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
8801     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
8802     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
8803   }
8804
8805   return EL_EMPTY;
8806 }
8807
8808 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
8809 {
8810   int element_new = getChipFromOpenDirection(direction);
8811
8812   return (element_new != EL_EMPTY ? element_new : element_old);
8813 }
8814
8815 static int getClosedTube(int x, int y)
8816 {
8817   static int xy[4][2] =
8818   {
8819     { -1, 0 },
8820     { +1, 0 },
8821     { 0, -1 },
8822     { 0, +1 }
8823   };
8824   int element_old = IntelliDrawBuffer[x][y];
8825   int direction_old = getOpenDirectionFromTube(element_old);
8826   int direction_new = MV_NONE;
8827   int i;
8828
8829   for (i = 0; i < NUM_DIRECTIONS; i++)
8830   {
8831     int xx = x + xy[i][0];
8832     int yy = y + xy[i][1];
8833     int dir = MV_DIR_FROM_BIT(i);
8834     int dir_opposite = MV_DIR_OPPOSITE(dir);
8835
8836     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
8837         (direction_old & dir) &&
8838         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8839       direction_new |= dir;
8840   }
8841
8842   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
8843 }
8844
8845 static int getClosedBelt(int x, int y)
8846 {
8847   static int xy[4][2] =
8848   {
8849     { -1, 0 },
8850     { +1, 0 },
8851     { 0, -1 },
8852     { 0, +1 }
8853   };
8854   int element_old = IntelliDrawBuffer[x][y];
8855   int nr = getBeltNrFromBeltElement(element_old);
8856   int direction_old = getOpenDirectionFromBelt(element_old);
8857   int direction_new = MV_NONE;
8858   int i;
8859
8860   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
8861   {
8862     int xx = x + xy[i][0];
8863     int yy = y + xy[i][1];
8864     int dir = MV_DIR_FROM_BIT(i);
8865     int dir_opposite = MV_DIR_OPPOSITE(dir);
8866
8867     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
8868         (direction_old & dir) &&
8869         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8870       direction_new |= dir;
8871   }
8872
8873   return getBeltFromNrAndOpenDirection(nr, direction_new);
8874 }
8875
8876 static int getClosedPool(int x, int y)
8877 {
8878   static int xy[4][2] =
8879   {
8880     { -1, 0 },
8881     { +1, 0 },
8882     { 0, -1 },
8883     { 0, +1 }
8884   };
8885   int element_old = IntelliDrawBuffer[x][y];
8886   int direction_old = getOpenDirectionFromPool(element_old);
8887   int direction_new = MV_NONE;
8888   int i;
8889
8890   for (i = 0; i < NUM_DIRECTIONS; i++)
8891   {
8892     int xx = x + xy[i][0];
8893     int yy = y + xy[i][1];
8894     int dir = MV_DIR_FROM_BIT(i);
8895     int dir_opposite = MV_DIR_OPPOSITE(dir);
8896
8897     if (IN_LEV_FIELD(xx, yy) &&
8898         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
8899         (direction_old & dir) &&
8900         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8901       direction_new |= dir;
8902   }
8903
8904   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
8905 }
8906
8907 static int getClosedPillar(int x, int y)
8908 {
8909   static int xy[4][2] =
8910   {
8911     { -1, 0 },
8912     { +1, 0 },
8913     { 0, -1 },
8914     { 0, +1 }
8915   };
8916   int element_old = IntelliDrawBuffer[x][y];
8917   int direction_old = getOpenDirectionFromPillar(element_old);
8918   int direction_new = MV_NONE;
8919   int i;
8920
8921   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
8922   {
8923     int xx = x + xy[i][0];
8924     int yy = y + xy[i][1];
8925     int dir = MV_DIR_FROM_BIT(i);
8926     int dir_opposite = MV_DIR_OPPOSITE(dir);
8927
8928     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
8929         (direction_old & dir) &&
8930         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8931       direction_new |= dir;
8932   }
8933
8934   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
8935 }
8936
8937 static int getClosedSteel2(int x, int y)
8938 {
8939   static int xy[4][2] =
8940   {
8941     { -1, 0 },
8942     { +1, 0 },
8943     { 0, -1 },
8944     { 0, +1 }
8945   };
8946   int element_old = IntelliDrawBuffer[x][y];
8947   int direction_old = getOpenDirectionFromSteel2(element_old);
8948   int direction_new = MV_NONE;
8949   int i;
8950
8951   for (i = 0; i < NUM_DIRECTIONS; i++)
8952   {
8953     int xx = x + xy[i][0];
8954     int yy = y + xy[i][1];
8955     int dir = MV_DIR_FROM_BIT(i);
8956     int dir_opposite = MV_DIR_OPPOSITE(dir);
8957
8958     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
8959         (direction_old & dir) &&
8960         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8961       direction_new |= dir;
8962   }
8963
8964   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
8965 }
8966
8967 static int getClosedChip(int x, int y)
8968 {
8969   static int xy[4][2] =
8970   {
8971     { -1, 0 },
8972     { +1, 0 },
8973     { 0, -1 },
8974     { 0, +1 }
8975   };
8976   int element_old = IntelliDrawBuffer[x][y];
8977   int direction_old = getOpenDirectionFromChip(element_old);
8978   int direction_new = MV_NONE;
8979   int i;
8980
8981   for (i = 0; i < NUM_DIRECTIONS; i++)
8982   {
8983     int xx = x + xy[i][0];
8984     int yy = y + xy[i][1];
8985     int dir = MV_DIR_FROM_BIT(i);
8986     int dir_opposite = MV_DIR_OPPOSITE(dir);
8987
8988     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
8989         (direction_old & dir) &&
8990         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
8991       direction_new |= dir;
8992   }
8993
8994   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
8995 }
8996
8997 static void SetElementSimple(int x, int y, int element, boolean change_level)
8998 {
8999   int sx = x - level_xpos;
9000   int sy = y - level_ypos;
9001
9002   IntelliDrawBuffer[x][y] = element;
9003
9004   if (change_level)
9005     Feld[x][y] = element;
9006
9007   if (IN_ED_FIELD(sx, sy))
9008     DrawMiniElement(sx, sy, element);
9009 }
9010
9011 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9012                                            int x2, int y2, int *element2,
9013                                            int (*close_function)(int, int),
9014                                            boolean change_level)
9015 {
9016   /* set neighbour elements to newly determined connections */
9017   SetElementSimple(x1, y1, *element1, change_level);
9018   SetElementSimple(x2, y2, *element2, change_level);
9019
9020   /* remove all open connections of neighbour elements */
9021   *element1 = close_function(x1, y1);
9022   *element2 = close_function(x2, y2);
9023
9024   /* set neighbour elements to new, minimized connections */
9025   SetElementSimple(x1, y1, *element1, change_level);
9026   SetElementSimple(x2, y2, *element2, change_level);
9027 }
9028
9029 static void SetElementIntelliDraw(int x, int y, int new_element,
9030                                   boolean change_level, int button)
9031 {
9032   static int xy[4][2] =
9033   {
9034     { -1, 0 },
9035     { +1, 0 },
9036     { 0, -1 },
9037     { 0, +1 }
9038   };
9039   static int last_x = -1;
9040   static int last_y = -1;
9041   int old_element = IntelliDrawBuffer[x][y];
9042
9043   if (new_element == EL_UNDEFINED)
9044   {
9045     last_x = -1;
9046     last_y = -1;
9047
9048     return;
9049   }
9050
9051   if (IS_TUBE(new_element))
9052   {
9053     int last_element_new = EL_UNDEFINED;
9054     int direction = MV_NONE;
9055     int i;
9056
9057     /* if old element is of same kind, keep all existing directions */
9058     if (IS_TUBE(old_element))
9059       direction |= getOpenDirectionFromTube(old_element);
9060
9061     for (i = 0; i < NUM_DIRECTIONS; i++)
9062     {
9063       int xx = x + xy[i][0];
9064       int yy = y + xy[i][1];
9065
9066       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9067           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9068       {
9069         int dir = MV_DIR_FROM_BIT(i);
9070         int dir_opposite = MV_DIR_OPPOSITE(dir);
9071         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9072         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9073         int last_direction_new = last_direction_old | dir_opposite;
9074
9075         last_element_new = getTubeFromOpenDirection(last_direction_new);
9076
9077         direction |= dir;
9078       }
9079     }
9080
9081     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9082
9083     if (last_element_new != EL_UNDEFINED)
9084       MergeAndCloseNeighbourElements(x, y, &new_element,
9085                                      last_x, last_y, &last_element_new,
9086                                      getClosedTube, change_level);
9087   }
9088   else if (IS_BELT(new_element))
9089   {
9090     int belt_nr = getBeltNrFromBeltElement(new_element);
9091     int last_element_new = EL_UNDEFINED;
9092     int direction = MV_NONE;
9093     int i;
9094
9095     /* if old element is of same kind, keep all existing directions */
9096     if (IS_BELT(old_element))
9097       direction |= getOpenDirectionFromBelt(old_element);
9098
9099     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9100     {
9101       int xx = x + xy[i][0];
9102       int yy = y + xy[i][1];
9103
9104       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9105           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9106       {
9107         int dir = MV_DIR_FROM_BIT(i);
9108         int dir_opposite = MV_DIR_OPPOSITE(dir);
9109         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9110         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9111         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9112         int last_direction_new = last_direction_old | dir_opposite;
9113
9114         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9115                                                          last_direction_new);
9116         direction |= dir;
9117       }
9118     }
9119
9120     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9121                                                         new_element);
9122     if (last_element_new != EL_UNDEFINED)
9123       MergeAndCloseNeighbourElements(x, y, &new_element,
9124                                      last_x, last_y, &last_element_new,
9125                                      getClosedBelt, change_level);
9126   }
9127   else if (IS_ACID_POOL_OR_ACID(new_element))
9128   {
9129     int last_element_new = EL_UNDEFINED;
9130     int direction = MV_NONE;
9131     int i;
9132
9133     /* if old element is of same kind, keep all existing directions */
9134     if (IS_ACID_POOL_OR_ACID(old_element))
9135       direction |= getOpenDirectionFromPool(old_element);
9136
9137     for (i = 0; i < NUM_DIRECTIONS; i++)
9138     {
9139       int xx = x + xy[i][0];
9140       int yy = y + xy[i][1];
9141
9142       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9143           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9144       {
9145         int dir = MV_DIR_FROM_BIT(i);
9146         int dir_opposite = MV_DIR_OPPOSITE(dir);
9147         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9148         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9149         int last_direction_new = last_direction_old | dir_opposite;
9150
9151         last_element_new = getPoolFromOpenDirection(last_direction_new);
9152
9153         direction |= dir;
9154       }
9155     }
9156
9157     /* special corrections needed for intuitively correct acid pool drawing */
9158     if (last_element_new == EL_EMPTY)
9159       last_element_new = new_element;
9160     else if (last_element_new != EL_UNDEFINED)
9161       new_element = last_element_new;
9162
9163     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9164
9165     if (last_element_new != EL_UNDEFINED)
9166       MergeAndCloseNeighbourElements(x, y, &new_element,
9167                                      last_x, last_y, &last_element_new,
9168                                      getClosedPool, change_level);
9169   }
9170   else if (IS_EMC_PILLAR(new_element))
9171   {
9172     int last_element_new = EL_UNDEFINED;
9173     int direction = MV_NONE;
9174     int i;
9175
9176     /* if old element is of same kind, keep all existing directions */
9177     if (IS_EMC_PILLAR(old_element))
9178       direction |= getOpenDirectionFromPillar(old_element);
9179
9180     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9181     {
9182       int xx = x + xy[i][0];
9183       int yy = y + xy[i][1];
9184
9185       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9186           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9187       {
9188         int dir = MV_DIR_FROM_BIT(i);
9189         int dir_opposite = MV_DIR_OPPOSITE(dir);
9190         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9191         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9192         int last_direction_new = last_direction_old | dir_opposite;
9193
9194         last_element_new = getPillarFromOpenDirection(last_direction_new);
9195
9196         direction |= dir;
9197       }
9198     }
9199
9200     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9201
9202     if (last_element_new != EL_UNDEFINED)
9203       MergeAndCloseNeighbourElements(x, y, &new_element,
9204                                      last_x, last_y, &last_element_new,
9205                                      getClosedPillar, change_level);
9206   }
9207   else if (IS_DC_STEELWALL_2(new_element))
9208   {
9209     int last_element_new = EL_UNDEFINED;
9210     int direction = MV_NONE;
9211     int i;
9212
9213     /* if old element is of same kind, keep all existing directions */
9214     if (IS_DC_STEELWALL_2(old_element))
9215       direction |= getOpenDirectionFromSteel2(old_element);
9216
9217     for (i = 0; i < NUM_DIRECTIONS; i++)
9218     {
9219       int xx = x + xy[i][0];
9220       int yy = y + xy[i][1];
9221
9222       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9223           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9224       {
9225         int dir = MV_DIR_FROM_BIT(i);
9226         int dir_opposite = MV_DIR_OPPOSITE(dir);
9227         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9228         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9229         int last_direction_new = last_direction_old | dir_opposite;
9230
9231         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9232
9233         direction |= dir;
9234       }
9235     }
9236
9237     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9238
9239     if (last_element_new != EL_UNDEFINED)
9240       MergeAndCloseNeighbourElements(x, y, &new_element,
9241                                      last_x, last_y, &last_element_new,
9242                                      getClosedSteel2, change_level);
9243   }
9244   else if (IS_SP_CHIP(new_element))
9245   {
9246     int last_element_new = EL_UNDEFINED;
9247     int direction = MV_NONE;
9248     int i;
9249
9250     /* (do not keep existing directions, regardless of kind of old element) */
9251
9252     for (i = 0; i < NUM_DIRECTIONS; i++)
9253     {
9254       int xx = x + xy[i][0];
9255       int yy = y + xy[i][1];
9256
9257       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9258           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9259       {
9260         int dir = MV_DIR_FROM_BIT(i);
9261         int dir_opposite = MV_DIR_OPPOSITE(dir);
9262         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9263         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9264         int last_direction_new = last_direction_old | dir_opposite;
9265
9266         if (last_direction_old == MV_NONE)
9267         {
9268           last_element_new = getChipFromOpenDirection(last_direction_new);
9269           direction |= dir;
9270         }
9271         else if (last_direction_old & (dir | dir_opposite))
9272         {
9273           direction |= MV_DIR_OPPOSITE(last_direction_old);
9274         }
9275         else
9276         {
9277           direction |= MV_DIR_OPPOSITE(dir);
9278         }
9279       }
9280     }
9281
9282     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9283
9284     if (last_element_new != EL_UNDEFINED)
9285       MergeAndCloseNeighbourElements(x, y, &new_element,
9286                                      last_x, last_y, &last_element_new,
9287                                      getClosedChip, change_level);
9288   }
9289   else if (IS_SP_HARDWARE_BASE(new_element))
9290   {
9291     int nr = GetSimpleRandom(6);
9292
9293     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9294                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9295                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9296                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9297                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9298   }
9299   else if (new_element == EL_SP_HARDWARE_GREEN ||
9300            new_element == EL_SP_HARDWARE_BLUE ||
9301            new_element == EL_SP_HARDWARE_RED)
9302   {
9303     int nr = GetSimpleRandom(3);
9304
9305     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9306                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9307   }
9308   else if (IS_GROUP_ELEMENT(new_element))
9309   {
9310     boolean connected_drawing = FALSE;
9311     int i;
9312
9313     for (i = 0; i < NUM_DIRECTIONS; i++)
9314     {
9315       int xx = x + xy[i][0];
9316       int yy = y + xy[i][1];
9317
9318       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9319           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9320         connected_drawing = TRUE;
9321     }
9322
9323     if (!connected_drawing)
9324       ResolveGroupElement(new_element);
9325
9326     new_element = GetElementFromGroupElement(new_element);
9327   }
9328   else if (IS_BELT_SWITCH(old_element))
9329   {
9330     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9331     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9332
9333     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9334                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9335
9336     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9337   }
9338   else
9339   {
9340     static int swappable_elements[][2] =
9341     {
9342       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9343       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9344       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9345       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9346       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9347       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9348       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9349       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9350       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9351       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9352       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9353       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9354       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9355       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9356       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9357       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9358       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9359       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9360       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9361       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9362       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9363       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9364       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9365       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9366       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9367       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9368       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9369       { EL_PEARL,                       EL_WALL_PEARL                   },
9370       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9371       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9372       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9373       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9374       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9375       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9376       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9377       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9378       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9379       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9380       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9381       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9382
9383       { -1,                             -1                              },
9384     };
9385     static int rotatable_elements[][4] =
9386     {
9387       {
9388         EL_BUG_UP,
9389         EL_BUG_RIGHT,
9390         EL_BUG_DOWN,
9391         EL_BUG_LEFT
9392       },
9393
9394       {
9395         EL_SPACESHIP_UP,
9396         EL_SPACESHIP_RIGHT,
9397         EL_SPACESHIP_DOWN,
9398         EL_SPACESHIP_LEFT
9399       },
9400
9401       {
9402         EL_BD_BUTTERFLY_UP,
9403         EL_BD_BUTTERFLY_RIGHT,
9404         EL_BD_BUTTERFLY_DOWN,
9405         EL_BD_BUTTERFLY_LEFT
9406       },
9407
9408       {
9409         EL_BD_FIREFLY_UP,
9410         EL_BD_FIREFLY_RIGHT,
9411         EL_BD_FIREFLY_DOWN,
9412         EL_BD_FIREFLY_LEFT
9413       },
9414
9415       {
9416         EL_PACMAN_UP,
9417         EL_PACMAN_RIGHT,
9418         EL_PACMAN_DOWN,
9419         EL_PACMAN_LEFT
9420       },
9421
9422       {
9423         EL_YAMYAM_UP,
9424         EL_YAMYAM_RIGHT,
9425         EL_YAMYAM_DOWN,
9426         EL_YAMYAM_LEFT
9427       },
9428
9429       {
9430         EL_ARROW_UP,
9431         EL_ARROW_RIGHT,
9432         EL_ARROW_DOWN,
9433         EL_ARROW_LEFT
9434       },
9435
9436       {
9437         EL_SP_PORT_UP,
9438         EL_SP_PORT_RIGHT,
9439         EL_SP_PORT_DOWN,
9440         EL_SP_PORT_LEFT
9441       },
9442
9443       {
9444         EL_SP_GRAVITY_PORT_UP,
9445         EL_SP_GRAVITY_PORT_RIGHT,
9446         EL_SP_GRAVITY_PORT_DOWN,
9447         EL_SP_GRAVITY_PORT_LEFT
9448       },
9449
9450       {
9451         EL_MOLE_UP,
9452         EL_MOLE_RIGHT,
9453         EL_MOLE_DOWN,
9454         EL_MOLE_LEFT
9455       },
9456
9457       {
9458         EL_BALLOON_SWITCH_UP,
9459         EL_BALLOON_SWITCH_RIGHT,
9460         EL_BALLOON_SWITCH_DOWN,
9461         EL_BALLOON_SWITCH_LEFT
9462       },
9463
9464       {
9465         EL_SP_GRAVITY_ON_PORT_UP,
9466         EL_SP_GRAVITY_ON_PORT_RIGHT,
9467         EL_SP_GRAVITY_ON_PORT_DOWN,
9468         EL_SP_GRAVITY_ON_PORT_LEFT
9469       },
9470
9471       {
9472         EL_SP_GRAVITY_OFF_PORT_UP,
9473         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9474         EL_SP_GRAVITY_OFF_PORT_DOWN,
9475         EL_SP_GRAVITY_OFF_PORT_LEFT
9476       },
9477
9478       {
9479         -1,
9480         -1,
9481         -1,
9482         -1,
9483       },
9484     };
9485     int i, j;
9486
9487     for (i = 0; swappable_elements[i][0] != -1; i++)
9488     {
9489       int element1 = swappable_elements[i][0];
9490       int element2 = swappable_elements[i][1];
9491
9492       if (old_element == element1 || old_element == element2)
9493         new_element = (old_element == element1 ? element2 : element1);
9494     }
9495
9496     for (i = 0; rotatable_elements[i][0] != -1; i++)
9497     {
9498       for (j = 0; j < 4; j++)
9499       {
9500         int element = rotatable_elements[i][j];
9501
9502         if (old_element == element)
9503           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9504                          button == 2 ? rotatable_elements[i][0]           :
9505                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9506                          old_element);
9507       }
9508     }
9509   }
9510
9511   SetElementSimple(x, y, new_element, change_level);
9512
9513   last_x = x;
9514   last_y = y;
9515 }
9516
9517 static void ResetIntelliDraw()
9518 {
9519   int x, y;
9520
9521   for (x = 0; x < lev_fieldx; x++)
9522     for (y = 0; y < lev_fieldy; y++)
9523       IntelliDrawBuffer[x][y] = Feld[x][y];
9524
9525   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9526 }
9527
9528 static void SetElementExt(int x, int y, int element, boolean change_level,
9529                           int button)
9530 {
9531   if (element < 0)
9532     SetElementSimple(x, y, Feld[x][y], change_level);
9533   else if (GetKeyModState() & KMOD_Shift)
9534     SetElementIntelliDraw(x, y, element, change_level, button);
9535   else
9536     SetElementSimple(x, y, element, change_level);
9537 }
9538
9539 static void SetElement(int x, int y, int element)
9540 {
9541   SetElementExt(x, y, element, TRUE, -1);
9542 }
9543
9544 static void SetElementButton(int x, int y, int element, int button)
9545 {
9546   SetElementExt(x, y, element, TRUE, button);
9547 }
9548
9549 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9550 {
9551   int lx = sx + level_xpos;
9552   int ly = sy + level_ypos;
9553
9554   SetElementExt(lx, ly, element, change_level, -1);
9555 }
9556
9557 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9558                      int element, boolean change_level)
9559 {
9560   int xsize = ABS(to_x - from_x);
9561   int ysize = ABS(to_y - from_y);
9562   int dx = (to_x < from_x ? -1 : +1);
9563   int dy = (to_y < from_y ? -1 : +1);
9564   int i;
9565
9566   if (from_y == to_y)                   /* horizontal line */
9567   {
9568     for (i = 0; i <= xsize; i++)
9569       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9570   }
9571   else if (from_x == to_x)              /* vertical line */
9572   {
9573     for (i = 0; i <= ysize; i++)
9574       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9575   }
9576   else                                  /* diagonal line */
9577   {
9578     if (ysize < xsize)                  /* a < 1 */
9579     {
9580       float a = (float)ysize / (float)xsize;
9581
9582       for (i = 0; i <= xsize; i++)
9583       {
9584         int x = dx * i;
9585         int y = dy * (int)(a * i + 0.5);
9586
9587         DrawLineElement(from_x + x, from_y + y, element, change_level);
9588       }
9589     }
9590     else                                /* a >= 1 */
9591     {
9592       float a = (float)xsize / (float)ysize;
9593
9594       for (i = 0; i <= ysize; i++)
9595       {
9596         int x = dx * (int)(a * i + 0.5);
9597         int y = dy * i;
9598
9599         DrawLineElement(from_x + x, from_y + y, element, change_level);
9600       }
9601     }
9602   }
9603 }
9604
9605 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9606                     int element, boolean change_level)
9607 {
9608   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9609   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9610   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9611   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9612 }
9613
9614 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9615                           int element, boolean change_level)
9616 {
9617   int y;
9618
9619   if (from_y > to_y)
9620     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9621
9622   for (y = from_y; y <= to_y; y++)
9623     DrawLine(from_x, y, to_x, y, element, change_level);
9624 }
9625
9626 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9627                        int element, boolean change_level)
9628 {
9629   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9630   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9631   int len_x = ABS(to_x - from_x);
9632   int len_y = ABS(to_y - from_y);
9633   int radius, x, y;
9634
9635   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9636
9637   /* not optimal (some points get drawn twice) but simple,
9638      and fast enough for the few points we are drawing */
9639
9640   for (x = 0; x <= radius; x++)
9641   {
9642     int sx, sy, lx, ly;
9643
9644     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9645
9646     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9647     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9648     lx = sx + level_xpos;
9649     ly = sy + level_ypos;
9650
9651     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9652       DrawLineElement(sx, sy, element, change_level);
9653   }
9654
9655   for (y = 0; y <= radius; y++)
9656   {
9657     int sx, sy, lx, ly;
9658
9659     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
9660
9661     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9662     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9663     lx = sx + level_xpos;
9664     ly = sy + level_ypos;
9665
9666     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9667       DrawLineElement(sx, sy, element, change_level);
9668   }
9669 }
9670
9671 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
9672                     int element, boolean change_level)
9673 {
9674   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9675   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9676
9677   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9678 }
9679
9680 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
9681
9682 #if DRAW_CIRCLES_BUTTON_AVAILABLE
9683 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
9684                        int element, boolean change_level)
9685 {
9686   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9687   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9688   int mirror_to_x2 = from_x - (to_x2 - from_x);
9689   int mirror_to_y2 = from_y - (to_y2 - from_y);
9690
9691   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9692   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
9693   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
9694   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
9695 }
9696 #endif
9697
9698 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
9699 {
9700   int from_sx, from_sy;
9701   int to_sx, to_sy;
9702
9703   if (from_x > to_x)
9704     swap_numbers(&from_x, &to_x);
9705
9706   if (from_y > to_y)
9707     swap_numbers(&from_y, &to_y);
9708
9709   from_sx = SX + from_x * MINI_TILEX;
9710   from_sy = SY + from_y * MINI_TILEY;
9711   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
9712   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
9713
9714   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
9715   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
9716   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
9717   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
9718
9719   if (from_x == to_x && from_y == to_y)
9720     MarkTileDirty(from_x/2, from_y/2);
9721   else
9722     redraw_mask |= REDRAW_FIELD;
9723 }
9724
9725 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
9726                        int element, boolean change_level)
9727 {
9728   if (element == -1 || change_level)
9729     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
9730   else
9731     DrawAreaBorder(from_x, from_y, to_x, to_y);
9732 }
9733
9734 /* values for CopyBrushExt() */
9735 #define CB_AREA_TO_BRUSH        0
9736 #define CB_BRUSH_TO_CURSOR      1
9737 #define CB_BRUSH_TO_LEVEL       2
9738 #define CB_DELETE_OLD_CURSOR    3
9739 #define CB_DUMP_BRUSH           4
9740 #define CB_DUMP_BRUSH_SMALL     5
9741
9742 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
9743                          int button, int mode)
9744 {
9745   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
9746   static int brush_width, brush_height;
9747   static int last_cursor_x = -1, last_cursor_y = -1;
9748   static boolean delete_old_brush;
9749   int new_element = BUTTON_ELEMENT(button);
9750   int x, y;
9751
9752   if (mode == CB_DUMP_BRUSH ||
9753       mode == CB_DUMP_BRUSH_SMALL)
9754   {
9755     if (!draw_with_brush)
9756     {
9757       Error(ERR_WARN, "no brush selected");
9758
9759       return;
9760     }
9761
9762     for (y = 0; y < brush_height; y++)
9763     {
9764       for (x = 0; x < brush_width; x++)
9765       {
9766         int element = brush_buffer[x][y];
9767         int element_mapped = element;
9768
9769         if (IS_CUSTOM_ELEMENT(element))
9770           element_mapped = EL_CUSTOM_START;
9771         else if (IS_GROUP_ELEMENT(element))
9772           element_mapped = EL_GROUP_START;
9773         else if (element >= NUM_FILE_ELEMENTS)
9774           element_mapped = EL_UNKNOWN;
9775
9776         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
9777       }
9778
9779       printf("\n");
9780     }
9781
9782     return;
9783   }
9784
9785   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
9786     return;
9787
9788   if (mode == CB_AREA_TO_BRUSH)
9789   {
9790     int from_lx, from_ly;
9791
9792     if (from_x > to_x)
9793       swap_numbers(&from_x, &to_x);
9794
9795     if (from_y > to_y)
9796       swap_numbers(&from_y, &to_y);
9797
9798     brush_width = to_x - from_x + 1;
9799     brush_height = to_y - from_y + 1;
9800
9801     from_lx = from_x + level_xpos;
9802     from_ly = from_y + level_ypos;
9803
9804     for (y = 0; y < brush_height; y++)
9805     {
9806       for (x = 0; x < brush_width; x++)
9807       {
9808         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
9809
9810         if (button != 1)
9811           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
9812       }
9813     }
9814
9815     if (button != 1)
9816       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9817
9818     delete_old_brush = FALSE;
9819   }
9820   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
9821            mode == CB_BRUSH_TO_LEVEL)
9822   {
9823     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
9824     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
9825     int cursor_from_x = cursor_x - brush_width / 2;
9826     int cursor_from_y = cursor_y - brush_height / 2;
9827     int border_from_x = cursor_x, border_from_y = cursor_y;
9828     int border_to_x = cursor_x, border_to_y = cursor_y;
9829
9830     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
9831       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
9832
9833     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
9834         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
9835     {
9836       delete_old_brush = FALSE;
9837       return;
9838     }
9839
9840     for (y = 0; y < brush_height; y++)
9841     {
9842       for (x = 0; x < brush_width; x++)
9843       {
9844         int sx = cursor_from_x + x;
9845         int sy = cursor_from_y + y;
9846         int lx = sx + level_xpos;
9847         int ly = sy + level_ypos;
9848         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
9849         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
9850                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
9851                        brush_buffer[x][y] : new_element);
9852
9853         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9854         {
9855           if (sx < border_from_x)
9856             border_from_x = sx;
9857           else if (sx > border_to_x)
9858             border_to_x = sx;
9859           if (sy < border_from_y)
9860             border_from_y = sy;
9861           else if (sy > border_to_y)
9862             border_to_y = sy;
9863
9864           DrawLineElement(sx, sy, element, change_level);
9865         }
9866       }
9867     }
9868
9869     if (mode != CB_DELETE_OLD_CURSOR)
9870       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
9871
9872     last_cursor_x = cursor_x;
9873     last_cursor_y = cursor_y;
9874     delete_old_brush = TRUE;
9875   }
9876 }
9877
9878 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
9879                             int button)
9880 {
9881   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
9882 }
9883
9884 static void CopyBrushToLevel(int x, int y, int button)
9885 {
9886   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
9887 }
9888
9889 static void CopyBrushToCursor(int x, int y)
9890 {
9891   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
9892 }
9893
9894 static void DeleteBrushFromCursor()
9895 {
9896   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
9897 }
9898
9899 void DumpBrush()
9900 {
9901   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
9902 }
9903
9904 void DumpBrush_Small()
9905 {
9906   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
9907 }
9908
9909 static void FloodFill(int from_x, int from_y, int fill_element)
9910 {
9911   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
9912 }
9913
9914 /* values for DrawLevelText() modes */
9915 #define TEXT_INIT               0
9916 #define TEXT_SETCURSOR          1
9917 #define TEXT_WRITECHAR          2
9918 #define TEXT_BACKSPACE          3
9919 #define TEXT_NEWLINE            4
9920 #define TEXT_END                5
9921 #define TEXT_QUERY_TYPING       6
9922
9923 static int DrawLevelText(int sx, int sy, char letter, int mode)
9924 {
9925   static short delete_buffer[MAX_LEV_FIELDX];
9926   static int start_sx, start_sy;
9927   static int last_sx, last_sy;
9928   static boolean typing = FALSE;
9929   int letter_element = EL_CHAR_ASCII0 + letter;
9930   int lx = 0, ly = 0;
9931
9932   /* map lower case letters to upper case and convert special characters */
9933   if (letter >= 'a' && letter <= 'z')
9934     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
9935   else if (letter == 'ä' || letter == 'Ä')
9936     letter_element = EL_CHAR_AUMLAUT;
9937   else if (letter == 'ö' || letter == 'Ö')
9938     letter_element = EL_CHAR_OUMLAUT;
9939   else if (letter == 'ü' || letter == 'Ü')
9940     letter_element = EL_CHAR_UUMLAUT;
9941   else if (letter == '^')
9942     letter_element = EL_CHAR_COPYRIGHT;
9943   else
9944     letter_element = EL_CHAR_ASCII0 + letter;
9945
9946   if (mode != TEXT_INIT)
9947   {
9948     if (!typing)
9949       return FALSE;
9950
9951     if (mode != TEXT_SETCURSOR)
9952     {
9953       sx = last_sx;
9954       sy = last_sy;
9955     }
9956
9957     lx = last_sx + level_xpos;
9958     ly = last_sy + level_ypos;
9959   }
9960
9961   switch (mode)
9962   {
9963     case TEXT_INIT:
9964       if (typing)
9965         DrawLevelText(0, 0, 0, TEXT_END);
9966
9967       typing = TRUE;
9968       start_sx = last_sx = sx;
9969       start_sy = last_sy = sy;
9970       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
9971       break;
9972
9973     case TEXT_SETCURSOR:
9974       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
9975       DrawAreaBorder(sx, sy, sx, sy);
9976       last_sx = sx;
9977       last_sy = sy;
9978       break;
9979
9980     case TEXT_WRITECHAR:
9981       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
9982       {
9983         delete_buffer[sx - start_sx] = Feld[lx][ly];
9984         Feld[lx][ly] = letter_element;
9985
9986         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
9987           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
9988         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
9989           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
9990         else
9991           DrawLevelText(0, 0, 0, TEXT_END);
9992
9993         level.changed = TRUE;
9994       }
9995       break;
9996
9997     case TEXT_BACKSPACE:
9998       if (sx > start_sx)
9999       {
10000         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10001         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10002         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10003       }
10004       break;
10005
10006     case TEXT_NEWLINE:
10007       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10008         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10009       else
10010         DrawLevelText(0, 0, 0, TEXT_END);
10011       break;
10012
10013     case TEXT_END:
10014       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10015       DrawMiniElement(sx, sy, Feld[lx][ly]);
10016       typing = FALSE;
10017       break;
10018
10019     case TEXT_QUERY_TYPING:
10020       break;
10021
10022     default:
10023       break;
10024   }
10025
10026   return typing;
10027 }
10028
10029 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10030                           int element, boolean change_level)
10031 {
10032   int lx = sx + level_xpos;
10033   int ly = sy + level_ypos;
10034
10035   if (element == -1)
10036     DrawMiniElement(sx, sy, Feld[lx][ly]);
10037   else
10038     DrawAreaBorder(sx, sy, sx, sy);
10039 }
10040
10041 static void CheckLevelBorderElement(boolean redraw_playfield)
10042 {
10043   int last_border_element = BorderElement;
10044
10045   SetBorderElement();
10046
10047   if (redraw_playfield && BorderElement != last_border_element)
10048     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10049 }
10050
10051 static void CopyLevelToUndoBuffer(int mode)
10052 {
10053   static boolean accumulated_undo = FALSE;
10054   boolean new_undo_buffer_position = TRUE;
10055   int x, y;
10056
10057   switch (mode)
10058   {
10059     case UNDO_IMMEDIATE:
10060       accumulated_undo = FALSE;
10061       break;
10062
10063     case UNDO_ACCUMULATE:
10064       if (accumulated_undo)
10065         new_undo_buffer_position = FALSE;
10066       accumulated_undo = TRUE;
10067       break;
10068
10069     default:
10070       break;
10071   }
10072
10073   if (new_undo_buffer_position)
10074   {
10075     /* new position in undo buffer ring */
10076     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10077
10078     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10079       undo_buffer_steps++;
10080   }
10081
10082   for (x = 0; x < lev_fieldx; x++)
10083     for (y = 0; y < lev_fieldy; y++)
10084       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10085
10086   /* check if drawing operation forces change of border style */
10087   CheckLevelBorderElement(TRUE);
10088
10089   level.changed = TRUE;
10090 }
10091
10092 static void RandomPlacement(int new_element)
10093 {
10094   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10095   int num_free_positions = 0;
10096   int num_percentage, num_elements;
10097   int x, y;
10098
10099 #if 1
10100   ResetIntelliDraw();
10101 #endif
10102
10103   /* determine number of free positions for randomly placing the new element */
10104   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10105   {
10106     free_position[x][y] =
10107       (random_placement_background_restricted ?
10108        Feld[x][y] == random_placement_background_element :
10109        Feld[x][y] != new_element);
10110
10111     if (free_position[x][y])
10112       num_free_positions++;
10113   }
10114
10115   /* determine number of new elements to place there */
10116   num_percentage = num_free_positions * random_placement_value / 100;
10117   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10118                   num_percentage : random_placement_value);
10119
10120   /* if less free positions than elements to place, fill all these positions */
10121   if (num_free_positions < num_elements)
10122   {
10123     for (x = 0; x < lev_fieldx; x++)
10124       for (y = 0; y < lev_fieldy; y++)
10125         if (free_position[x][y])
10126 #if 1
10127           SetElement(x, y, new_element);
10128 #else
10129           Feld[x][y] = new_element;
10130 #endif
10131   }
10132   else
10133   {
10134     while (num_elements > 0)
10135     {
10136       x = GetSimpleRandom(lev_fieldx);
10137       y = GetSimpleRandom(lev_fieldy);
10138
10139       /* don't place element at the same position twice */
10140       if (free_position[x][y])
10141       {
10142         free_position[x][y] = FALSE;
10143 #if 1
10144         SetElement(x, y, new_element);
10145 #else
10146         Feld[x][y] = new_element;
10147 #endif
10148         num_elements--;
10149       }
10150     }
10151   }
10152
10153   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10154   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10155 }
10156
10157 void WrapLevel(int dx, int dy)
10158 {
10159   int wrap_dx = lev_fieldx - dx;
10160   int wrap_dy = lev_fieldy - dy;
10161   int x, y;
10162
10163   for (x = 0; x < lev_fieldx; x++)
10164     for (y = 0; y < lev_fieldy; y++)
10165       FieldBackup[x][y] = Feld[x][y];
10166
10167   for (x = 0; x < lev_fieldx; x++)
10168     for (y = 0; y < lev_fieldy; y++)
10169       Feld[x][y] =
10170         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10171
10172   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10173   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10174 }
10175
10176 static void HandleDrawingAreas(struct GadgetInfo *gi)
10177 {
10178   static boolean started_inside_drawing_area = FALSE;
10179   int id = gi->custom_id;
10180   boolean button_press_event;
10181   boolean button_release_event;
10182   boolean inside_drawing_area = !gi->event.off_borders;
10183   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10184   int actual_drawing_function;
10185   int button = gi->event.button;
10186   int new_element = BUTTON_ELEMENT(button);
10187   int sx = gi->event.x, sy = gi->event.y;
10188   int min_sx = 0, min_sy = 0;
10189   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10190   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10191   int lx = 0, ly = 0;
10192   int min_lx = 0, min_ly = 0;
10193   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10194   int x, y;
10195
10196   /* handle info callback for each invocation of action callback */
10197   gi->callback_info(gi);
10198
10199   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10200   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10201
10202   /* make sure to stay inside drawing area boundaries */
10203   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10204   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10205
10206   if (draw_level)
10207   {
10208     /* get positions inside level field */
10209     lx = sx + level_xpos;
10210     ly = sy + level_ypos;
10211
10212     if (!IN_LEV_FIELD(lx, ly))
10213       inside_drawing_area = FALSE;
10214
10215     /* make sure to stay inside level field boundaries */
10216     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10217     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10218
10219     /* correct drawing area positions accordingly */
10220     sx = lx - level_xpos;
10221     sy = ly - level_ypos;
10222   }
10223
10224   if (button_press_event)
10225     started_inside_drawing_area = inside_drawing_area;
10226
10227   if (!started_inside_drawing_area)
10228     return;
10229
10230   if (!IS_VALID_BUTTON(button))
10231     return;
10232
10233   if (!button && !button_release_event)
10234     return;
10235
10236   /* automatically switch to 'single item' drawing mode, if needed */
10237   actual_drawing_function =
10238     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10239      drawing_function : GADGET_ID_SINGLE_ITEMS);
10240
10241   /* clicking into drawing area with pressed Control key picks element */
10242   if (GetKeyModState() & KMOD_Control)
10243   {
10244     last_drawing_function = drawing_function;
10245     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10246   }
10247
10248   if (GetKeyModState() & KMOD_Shift)
10249   {
10250     if (button_press_event || button_release_event)
10251       ResetIntelliDraw();
10252   }
10253
10254   switch (actual_drawing_function)
10255   {
10256     case GADGET_ID_SINGLE_ITEMS:
10257       if (draw_level)
10258       {
10259         if (button_release_event)
10260         {
10261           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10262
10263           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10264               !inside_drawing_area)
10265             DeleteBrushFromCursor();
10266
10267 #if 0
10268           ResetIntelliDraw();
10269 #endif
10270         }
10271
10272         if (!button || button_release_event)
10273           break;
10274
10275         if (draw_with_brush)
10276         {
10277 #if 0
10278           if (!button_release_event)
10279 #endif
10280             CopyBrushToLevel(sx, sy, button);
10281         }
10282 #if 1
10283         else
10284 #else
10285         else if (new_element != Feld[lx][ly])
10286 #endif
10287         {
10288           if (new_element == EL_PLAYER_1)
10289           {
10290             /* remove player at old position */
10291             for (y = 0; y < lev_fieldy; y++)
10292             {
10293               for (x = 0; x < lev_fieldx; x++)
10294               {
10295                 if (Feld[x][y] == EL_PLAYER_1)
10296                 {
10297 #if 1
10298                   SetElement(x, y, EL_EMPTY);
10299 #else
10300                   Feld[x][y] = EL_EMPTY;
10301 #if 1
10302                   if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
10303                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10304 #else
10305                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
10306                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
10307                     DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
10308 #endif
10309 #endif
10310                 }
10311               }
10312             }
10313           }
10314
10315 #if 1
10316           SetElementButton(lx, ly, new_element, button);
10317 #else
10318           Feld[lx][ly] = new_element;
10319           DrawMiniElement(sx, sy, new_element);
10320 #endif
10321         }
10322       }
10323       else
10324       {
10325         int type_id = gi->custom_type_id;
10326         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10327
10328         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10329           DrawMiniGraphicExt(drawto,
10330                              gi->x + sx * MINI_TILEX,
10331                              gi->y + sy * MINI_TILEY,
10332                              el2edimg(new_element));
10333         else
10334           DrawGraphicExt(drawto,
10335                          gi->x + sx * TILEX,
10336                          gi->y + sy * TILEY,
10337                          el2img(new_element), 0);
10338
10339         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10340           new_element = GFX_ELEMENT(new_element);
10341
10342         drawingarea_info[type_id].value[pos] = new_element;
10343
10344         CopyElementPropertiesToGame(properties_element);
10345
10346         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10347         {
10348           UpdateCustomElementGraphicGadgets();
10349
10350           FrameCounter = 0;     /* restart animation frame counter */
10351         }
10352       }
10353       break;
10354
10355     case GADGET_ID_CONNECTED_ITEMS:
10356       {
10357         static int last_sx = -1;
10358         static int last_sy = -1;
10359
10360         if (button_release_event)
10361           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10362
10363         if (button)
10364         {
10365           if (!button_press_event)
10366             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10367
10368           last_sx = sx;
10369           last_sy = sy;
10370         }
10371       }
10372       break;
10373
10374     case GADGET_ID_LINE:
10375     case GADGET_ID_ARC:
10376     case GADGET_ID_RECTANGLE:
10377     case GADGET_ID_FILLED_BOX:
10378     case GADGET_ID_GRAB_BRUSH:
10379     case GADGET_ID_TEXT:
10380       {
10381         static int last_sx = -1;
10382         static int last_sy = -1;
10383         static int start_sx = -1;
10384         static int start_sy = -1;
10385         void (*draw_func)(int, int, int, int, int, boolean);
10386
10387         if (drawing_function == GADGET_ID_LINE)
10388           draw_func = DrawLine;
10389         else if (drawing_function == GADGET_ID_ARC)
10390           draw_func = DrawArc;
10391         else if (drawing_function == GADGET_ID_RECTANGLE)
10392           draw_func = DrawBox;
10393         else if (drawing_function == GADGET_ID_FILLED_BOX)
10394           draw_func = DrawFilledBox;
10395         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10396           draw_func = SelectArea;
10397         else /* (drawing_function == GADGET_ID_TEXT) */
10398           draw_func = SetTextCursor;
10399
10400         if (button_press_event)
10401         {
10402           draw_func(sx, sy, sx, sy, new_element, FALSE);
10403           start_sx = last_sx = sx;
10404           start_sy = last_sy = sy;
10405
10406           if (drawing_function == GADGET_ID_TEXT)
10407             DrawLevelText(0, 0, 0, TEXT_END);
10408         }
10409         else if (button_release_event)
10410         {
10411           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10412           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10413           {
10414             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10415             CopyBrushToCursor(sx, sy);
10416             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10417                           MB_LEFTBUTTON);
10418             draw_with_brush = TRUE;
10419           }
10420           else if (drawing_function == GADGET_ID_TEXT)
10421             DrawLevelText(sx, sy, 0, TEXT_INIT);
10422           else
10423             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10424         }
10425         else if (last_sx != sx || last_sy != sy)
10426         {
10427           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10428           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10429           last_sx = sx;
10430           last_sy = sy;
10431         }
10432       }
10433       break;
10434
10435     case GADGET_ID_FLOOD_FILL:
10436       if (button_press_event && Feld[lx][ly] != new_element)
10437       {
10438         FloodFill(lx, ly, new_element);
10439         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10440         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10441       }
10442       break;
10443
10444     case GADGET_ID_PICK_ELEMENT:
10445       if (button_release_event)
10446         ClickOnGadget(level_editor_gadget[last_drawing_function],
10447                       MB_LEFTBUTTON);
10448       else if (draw_level)
10449         PickDrawingElement(button, Feld[lx][ly]);
10450       else
10451       {
10452         int type_id = gi->custom_type_id;
10453         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10454
10455         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10456       }
10457
10458       break;
10459
10460     default:
10461       break;
10462   }
10463 }
10464
10465 static void HandleCounterButtons(struct GadgetInfo *gi)
10466 {
10467   int gadget_id = gi->custom_id;
10468   int counter_id = gi->custom_type_id;
10469   int button = gi->event.button;
10470   int *counter_value = counterbutton_info[counter_id].value;
10471   int step = BUTTON_STEPSIZE(button) *
10472     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10473
10474   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10475   {
10476     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10477     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10478     boolean level_changed = LevelChanged();
10479
10480     if ((level_changed && pressed) || (!level_changed && released))
10481       return;
10482
10483     if (level_changed && !Request("Level has changed ! Discard changes ?",
10484                                   REQ_ASK))
10485     {
10486       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10487         ModifyEditorCounterValue(counter_id, *counter_value);
10488
10489       return;
10490     }
10491   }
10492
10493   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10494     *counter_value = gi->textinput.number_value;
10495   else
10496     ModifyEditorCounterValue(counter_id, *counter_value + step);
10497
10498   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10499   {
10500       LoadLevel(level_nr);
10501       LoadScore(level_nr);
10502
10503       TapeErase();
10504
10505       ResetUndoBuffer();
10506       DrawEditModeWindow();
10507
10508       return;
10509   }
10510
10511   switch (counter_id)
10512   {
10513     case ED_COUNTER_ID_YAMYAM_CONTENT:
10514       DrawYamYamContentAreas();
10515       break;
10516
10517     case ED_COUNTER_ID_BALL_CONTENT:
10518       DrawMagicBallContentAreas();
10519       break;
10520
10521     case ED_COUNTER_ID_ANDROID_CONTENT:
10522       DrawAndroidElementArea(properties_element);
10523       break;
10524
10525     case ED_COUNTER_ID_GROUP_CONTENT:
10526       DrawGroupElementArea(properties_element);
10527       CopyGroupElementPropertiesToGame(properties_element);
10528       break;
10529
10530     case ED_COUNTER_ID_INVENTORY_SIZE:
10531       DrawPlayerInitialInventoryArea(properties_element);
10532       break;
10533
10534     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10535     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10536       DrawEnvelopeTextArea(-1);
10537       break;
10538
10539     case ED_COUNTER_ID_LEVEL_XSIZE:
10540     case ED_COUNTER_ID_LEVEL_YSIZE:
10541       lev_fieldx = level.fieldx;
10542       lev_fieldy = level.fieldy;
10543       break;
10544
10545     default:
10546       break;
10547   }
10548
10549   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10550        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10551       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10552        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10553     CopyElementPropertiesToGame(properties_element);
10554
10555   level.changed = TRUE;
10556 }
10557
10558 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10559 {
10560   int type_id = gi->custom_type_id;
10561
10562   strcpy(textinput_info[type_id].value, gi->textinput.value);
10563
10564   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10565   {
10566     CopyElementPropertiesToGame(properties_element);
10567
10568     ModifyEditorElementList();  /* update changed button info text */
10569   }
10570
10571   level.changed = TRUE;
10572 }
10573
10574 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10575 {
10576   int type_id = gi->custom_type_id;
10577
10578 #if 1
10579   strncpy(textarea_info[type_id].value, gi->textarea.value,
10580           MAX_ENVELOPE_TEXT_LEN);
10581   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10582 #else
10583   /* !!! BUGGY !!! MAX_ENVELOPE_TEXT_LEN != MAX_GADGET_TEXTSIZE !!! */
10584   strcpy(textarea_info[type_id].value, gi->textarea.value);
10585 #endif
10586
10587   level.changed = TRUE;
10588 }
10589
10590 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10591 {
10592   int type_id = gi->custom_type_id;
10593   int value_old = *selectbox_info[type_id].value;
10594   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10595
10596   *selectbox_info[type_id].value = value_new;
10597
10598   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10599   {
10600     element_info[properties_element].current_change_page = gi->selectbox.index;
10601
10602     DrawPropertiesWindow();
10603   }
10604   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10605             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10606            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10607             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10608            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10609   {
10610     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10611     {
10612       /* when changing action type, also check action mode and action arg */
10613       if (value_old != value_new)
10614         setSelectboxSpecialActionVariablesIfNeeded();
10615
10616       DrawPropertiesChange();
10617     }
10618
10619     CopyElementPropertiesToGame(properties_element);
10620
10621     level.changed = TRUE;
10622   }
10623 }
10624
10625 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10626 {
10627   int type_id = gi->custom_type_id;
10628   int i;
10629
10630   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10631       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10632   {
10633     edit_mode_properties = gi->custom_type_id;
10634
10635     DrawPropertiesWindow();
10636   }
10637   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10638   {
10639     char *template_filename = getDefaultLevelFilename(-1);
10640     boolean new_template = !fileExists(template_filename);
10641
10642     if (new_template ||
10643         Request("Save this template and kill the old ?", REQ_ASK))
10644       SaveLevelTemplate();
10645
10646     if (new_template)
10647       Request("Template saved !", REQ_CONFIRM);
10648   }
10649   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10650            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10651   {
10652     struct ElementInfo *ei = &element_info[properties_element];
10653
10654     setElementChangePages(ei, ei->num_change_pages + 1);
10655
10656     /* set new change page to be new current change page */
10657     ei->current_change_page = ei->num_change_pages - 1;
10658     ei->change = &ei->change_page[ei->current_change_page];
10659
10660     setElementChangeInfoToDefaults(ei->change);
10661
10662     DrawPropertiesWindow();
10663
10664     level.changed = TRUE;
10665   }
10666   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10667            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10668   {
10669     struct ElementInfo *ei = &element_info[properties_element];
10670
10671     /* copy all change pages after change page to be deleted */
10672     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
10673       ei->change_page[i] = ei->change_page[i + 1];
10674
10675     setElementChangePages(ei, ei->num_change_pages - 1);
10676
10677     DrawPropertiesWindow();
10678
10679     level.changed = TRUE;
10680   }
10681 }
10682
10683 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
10684 {
10685   int type_id = gi->custom_type_id;
10686
10687   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
10688       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
10689   {
10690     struct ElementInfo *ei = &element_info[properties_element];
10691     int step = BUTTON_STEPSIZE(gi->event.button);
10692
10693     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
10694     ei->current_change_page += step;
10695
10696     if (ei->current_change_page < 0)
10697       ei->current_change_page = 0;
10698     else if (ei->current_change_page >= ei->num_change_pages)
10699       ei->current_change_page = ei->num_change_pages - 1;
10700
10701     DrawPropertiesWindow();
10702   }
10703   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
10704            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10705   {
10706     struct ElementInfo *ei = &element_info[properties_element];
10707     int current_change_page = ei->current_change_page;
10708
10709     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
10710       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
10711         ei->change_page[current_change_page];
10712     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10713     {
10714       ei->change_page[current_change_page] =
10715         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
10716
10717       level.changed = TRUE;
10718     }
10719
10720     DrawPropertiesWindow();
10721   }
10722 }
10723
10724 static void HandleRadiobuttons(struct GadgetInfo *gi)
10725 {
10726   *radiobutton_info[gi->custom_type_id].value =
10727     radiobutton_info[gi->custom_type_id].checked_value;
10728
10729   level.changed = TRUE;
10730 }
10731
10732 static void HandleCheckbuttons(struct GadgetInfo *gi)
10733 {
10734   int type_id = gi->custom_type_id;
10735
10736   *checkbutton_info[type_id].value ^= TRUE;
10737
10738   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
10739       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
10740       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
10741       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
10742          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
10743         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
10744          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
10745        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
10746   {
10747     CopyElementPropertiesToGame(properties_element);
10748   }
10749
10750   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
10751   {
10752     UpdateCustomElementGraphicGadgets();
10753   }
10754   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
10755   {
10756     char *template_filename = getDefaultLevelFilename(-1);
10757
10758     if (level.use_custom_template && !fileExists(template_filename))
10759     {
10760       Request("No level template found !", REQ_CONFIRM);
10761
10762       level.use_custom_template = FALSE;
10763       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
10764
10765       return;
10766     }
10767
10768     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
10769
10770     DrawEditModeWindow();
10771   }
10772
10773   level.changed = TRUE;
10774 }
10775
10776 static void HandleControlButtons(struct GadgetInfo *gi)
10777 {
10778   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
10779   static int last_edit_mode = ED_MODE_DRAWING;
10780   static int last_custom_copy_mode = -1;
10781   int id = gi->custom_id;
10782   int button = gi->event.button;
10783   int step = BUTTON_STEPSIZE(button);
10784   int new_element = BUTTON_ELEMENT(button);
10785   int x, y;
10786
10787   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
10788     DrawLevelText(0, 0, 0, TEXT_END);
10789
10790   if (id < ED_NUM_CTRL1_BUTTONS &&
10791       id != GADGET_ID_SINGLE_ITEMS &&
10792       id != GADGET_ID_PROPERTIES &&
10793       id != GADGET_ID_PICK_ELEMENT &&
10794       edit_mode != ED_MODE_DRAWING &&
10795       drawing_function != GADGET_ID_PICK_ELEMENT &&
10796       !(GetKeyModState() & KMOD_Control))
10797   {
10798     DrawDrawingWindow();
10799     edit_mode = ED_MODE_DRAWING;
10800   }
10801
10802   /* element copy mode active, but no element button pressed => deactivate */
10803   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
10804     last_custom_copy_mode = -1;
10805
10806   switch (id)
10807   {
10808     case GADGET_ID_SCROLL_LEFT:
10809       if (level_xpos >= 0)
10810       {
10811         if (lev_fieldx < ed_fieldx - 2)
10812           break;
10813
10814         level_xpos -= step;
10815         if (level_xpos < -1)
10816           level_xpos = -1;
10817         if (button == 1)
10818           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
10819         else
10820           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10821
10822         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10823                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
10824       }
10825       break;
10826
10827     case GADGET_ID_SCROLL_RIGHT:
10828       if (level_xpos <= lev_fieldx - ed_fieldx)
10829       {
10830         if (lev_fieldx < ed_fieldx - 2)
10831           break;
10832
10833         level_xpos += step;
10834         if (level_xpos > lev_fieldx - ed_fieldx + 1)
10835           level_xpos = lev_fieldx - ed_fieldx + 1;
10836         if (button == 1)
10837           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
10838         else
10839           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10840
10841         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10842                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
10843       }
10844       break;
10845
10846     case GADGET_ID_SCROLL_UP:
10847       if (level_ypos >= 0)
10848       {
10849         if (lev_fieldy < ed_fieldy - 2)
10850           break;
10851
10852         level_ypos -= step;
10853         if (level_ypos < -1)
10854           level_ypos = -1;
10855         if (button == 1)
10856           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
10857         else
10858           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10859
10860         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10861                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
10862       }
10863       break;
10864
10865     case GADGET_ID_SCROLL_DOWN:
10866       if (level_ypos <= lev_fieldy - ed_fieldy)
10867       {
10868         if (lev_fieldy < ed_fieldy - 2)
10869           break;
10870
10871         level_ypos += step;
10872         if (level_ypos > lev_fieldy - ed_fieldy + 1)
10873           level_ypos = lev_fieldy - ed_fieldy + 1;
10874         if (button == 1)
10875           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
10876         else
10877           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10878
10879         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10880                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
10881       }
10882       break;
10883
10884     case GADGET_ID_SCROLL_HORIZONTAL:
10885       level_xpos = gi->event.item_position - 1;
10886       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10887       break;
10888
10889     case GADGET_ID_SCROLL_VERTICAL:
10890       level_ypos = gi->event.item_position - 1;
10891       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10892       break;
10893
10894     case GADGET_ID_SCROLL_LIST_UP:
10895     case GADGET_ID_SCROLL_LIST_DOWN:
10896     case GADGET_ID_SCROLL_LIST_VERTICAL:
10897       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
10898         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
10899       else
10900       {
10901         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
10902         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
10903
10904         if (element_shift < 0)
10905           element_shift = 0;
10906         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10907           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10908
10909         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
10910                      GDI_SCROLLBAR_ITEM_POSITION,
10911                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
10912       }
10913
10914       ModifyEditorElementList();
10915
10916       break;
10917
10918     case GADGET_ID_WRAP_LEFT:
10919       WrapLevel(-step, 0);
10920       break;
10921
10922     case GADGET_ID_WRAP_RIGHT:
10923       WrapLevel(step, 0);
10924       break;
10925
10926     case GADGET_ID_WRAP_UP:
10927       WrapLevel(0, -step);
10928       break;
10929
10930     case GADGET_ID_WRAP_DOWN:
10931       WrapLevel(0, step);
10932       break;
10933
10934     case GADGET_ID_SINGLE_ITEMS:
10935     case GADGET_ID_CONNECTED_ITEMS:
10936     case GADGET_ID_LINE:
10937     case GADGET_ID_ARC:
10938     case GADGET_ID_TEXT:
10939     case GADGET_ID_RECTANGLE:
10940     case GADGET_ID_FILLED_BOX:
10941     case GADGET_ID_FLOOD_FILL:
10942     case GADGET_ID_GRAB_BRUSH:
10943     case GADGET_ID_PICK_ELEMENT:
10944       if (drawing_function != GADGET_ID_PICK_ELEMENT)
10945         last_drawing_function = drawing_function;
10946       drawing_function = id;
10947       draw_with_brush = FALSE;
10948       break;
10949
10950     case GADGET_ID_RANDOM_PLACEMENT:
10951       RandomPlacement(new_element);
10952       break;
10953
10954     case GADGET_ID_PROPERTIES:
10955       if (edit_mode != ED_MODE_PROPERTIES)
10956       {
10957         properties_element = new_element;
10958         DrawPropertiesWindow();
10959         edit_mode = ED_MODE_PROPERTIES;
10960
10961         last_level_drawing_function = drawing_function;
10962         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10963                       MB_LEFTBUTTON);
10964       }
10965       else
10966       {
10967         DrawDrawingWindow();
10968         edit_mode = ED_MODE_DRAWING;
10969
10970         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
10971                       MB_LEFTBUTTON);
10972       }
10973       break;
10974
10975     case GADGET_ID_CUSTOM_COPY_FROM:
10976     case GADGET_ID_CUSTOM_COPY_TO:
10977     case GADGET_ID_CUSTOM_EXCHANGE:
10978       last_custom_copy_mode = id;
10979       last_drawing_function = drawing_function;
10980       break;
10981
10982     case GADGET_ID_CUSTOM_COPY:
10983       CopyCustomElement(properties_element, -1, id);
10984       break;
10985
10986     case GADGET_ID_CUSTOM_PASTE:
10987       CopyCustomElement(-1, properties_element, id);
10988       break;
10989
10990     case GADGET_ID_UNDO:
10991       if (undo_buffer_steps == 0)
10992       {
10993         Request("Undo buffer empty !", REQ_CONFIRM);
10994         break;
10995       }
10996
10997       if (edit_mode != ED_MODE_DRAWING)
10998       {
10999         DrawDrawingWindow();
11000         edit_mode = ED_MODE_DRAWING;
11001       }
11002
11003       undo_buffer_position =
11004         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11005       undo_buffer_steps--;
11006
11007       for (x = 0; x < lev_fieldx; x++)
11008         for (y = 0; y < lev_fieldy; y++)
11009           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11010
11011       /* check if undo operation forces change of border style */
11012       CheckLevelBorderElement(FALSE);
11013
11014       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11015
11016       break;
11017
11018     case GADGET_ID_INFO:
11019       if (edit_mode != ED_MODE_INFO)
11020       {
11021         last_edit_mode = edit_mode;
11022         edit_mode = ED_MODE_INFO;
11023
11024         DrawLevelInfoWindow();
11025       }
11026       else
11027       {
11028         edit_mode = last_edit_mode;
11029
11030         DrawEditModeWindow();
11031       }
11032       break;
11033
11034     case GADGET_ID_CLEAR:
11035       if (edit_mode != ED_MODE_DRAWING)
11036       {
11037         DrawDrawingWindow();
11038         edit_mode = ED_MODE_DRAWING;
11039       }
11040
11041       for (x = 0; x < MAX_LEV_FIELDX; x++)
11042         for (y = 0; y < MAX_LEV_FIELDY; y++)
11043           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11044
11045       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11046
11047       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11048       break;
11049
11050     case GADGET_ID_SAVE:
11051       if (leveldir_current->readonly)
11052       {
11053         Request("This level is read only !", REQ_CONFIRM);
11054         break;
11055       }
11056
11057       if (!LevelContainsPlayer())
11058         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
11059       else
11060       {
11061         char *level_filename = getDefaultLevelFilename(level_nr);
11062         boolean new_level = !fileExists(level_filename);
11063
11064         if (new_level ||
11065             Request("Save this level and kill the old ?", REQ_ASK))
11066         {
11067           CopyPlayfield(Feld, level.field);
11068
11069           SaveLevel(level_nr);
11070         }
11071
11072         if (new_level)
11073           Request("Level saved !", REQ_CONFIRM);
11074
11075         level.changed = FALSE;
11076       }
11077       break;
11078
11079     case GADGET_ID_TEST:
11080       if (!LevelContainsPlayer())
11081         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
11082       else
11083       {
11084         if (LevelChanged())
11085           level.game_version = GAME_VERSION_ACTUAL;
11086
11087         CopyPlayfield(level.field, FieldBackup);
11088         CopyPlayfield(Feld, level.field);
11089
11090         CopyNativeLevel_RND_to_Native(&level);
11091
11092         UnmapLevelEditorGadgets();
11093         UndrawSpecialEditorDoor();
11094
11095         CloseDoor(DOOR_CLOSE_ALL);
11096
11097         DrawCompleteVideoDisplay();
11098
11099         level_editor_test_game = TRUE;
11100
11101         StartGameActions(FALSE, setup.autorecord, NEW_RANDOMIZE);
11102       }
11103       break;
11104
11105     case GADGET_ID_EXIT:
11106       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11107       break;
11108
11109     default:
11110       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11111           id <= GADGET_ID_ELEMENTLIST_LAST)
11112       {
11113         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11114         int new_element = editor_elements[element_position + element_shift];
11115
11116         if (IS_EDITOR_CASCADE(new_element))
11117         {
11118           int i;
11119
11120           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11121           {
11122             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11123             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11124
11125             if (*cascade_element == new_element)
11126             {
11127               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11128               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11129
11130               /* update element selection list */
11131               ReinitializeElementList();
11132               ModifyEditorElementList();
11133
11134               /* update cascading gadget info text */
11135               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11136
11137               /* save current editor cascading state */
11138               SaveSetup_EditorCascade();
11139
11140               break;
11141             }
11142           }
11143
11144           break;
11145         }
11146
11147         if (last_custom_copy_mode != -1)
11148         {
11149           if (CopyCustomElement(properties_element, new_element,
11150                                 last_custom_copy_mode))
11151           {
11152             ClickOnGadget(level_editor_gadget[last_drawing_function],
11153                           MB_LEFTBUTTON);
11154
11155             last_custom_copy_mode = -1;
11156           }
11157
11158           break;
11159         }
11160
11161         PickDrawingElement(button, new_element);
11162
11163         if (!stick_element_properties_window &&
11164             drawing_function != GADGET_ID_PICK_ELEMENT &&
11165             !(GetKeyModState() & KMOD_Control))
11166         {
11167           properties_element = new_element;
11168           if (edit_mode == ED_MODE_PROPERTIES)
11169             DrawPropertiesWindow();
11170         }
11171
11172         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11173           ClickOnGadget(level_editor_gadget[last_drawing_function],
11174                         MB_LEFTBUTTON);
11175       }
11176 #ifdef DEBUG
11177       else if (gi->event.type == GD_EVENT_PRESSED)
11178         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11179       else if (gi->event.type == GD_EVENT_RELEASED)
11180         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11181       else if (gi->event.type == GD_EVENT_MOVING)
11182         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11183       else
11184         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11185 #endif
11186       break;
11187   }
11188 }
11189
11190 void HandleLevelEditorKeyInput(Key key)
11191 {
11192   char letter = getCharFromKey(key);
11193   int button = MB_LEFTBUTTON;
11194
11195   if (drawing_function == GADGET_ID_TEXT &&
11196       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11197   {
11198     if (letter)
11199       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11200     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11201       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11202     else if (key == KSYM_Return)
11203       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11204     else if (key == KSYM_Escape)
11205       DrawLevelText(0, 0, 0, TEXT_END);
11206   }
11207   else if (button_status == MB_RELEASED)
11208   {
11209     int id = GADGET_ID_NONE;
11210     int new_element_shift = element_shift;
11211     int i;
11212
11213     switch (key)
11214     {
11215       case KSYM_Left:
11216         id = GADGET_ID_SCROLL_LEFT;
11217         break;
11218       case KSYM_Right:
11219         id = GADGET_ID_SCROLL_RIGHT;
11220         break;
11221       case KSYM_Up:
11222         id = GADGET_ID_SCROLL_UP;
11223         break;
11224       case KSYM_Down:
11225         id = GADGET_ID_SCROLL_DOWN;
11226         break;
11227       case KSYM_Page_Up:
11228         id = GADGET_ID_SCROLL_LIST_UP;
11229         button = MB_RIGHTBUTTON;
11230         break;
11231       case KSYM_Page_Down:
11232         id = GADGET_ID_SCROLL_LIST_DOWN;
11233         button = MB_RIGHTBUTTON;
11234         break;
11235
11236       case KSYM_Home:
11237       case KSYM_End:
11238         element_shift = (key == KSYM_Home ? 0 :
11239                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11240
11241         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11242                      GDI_SCROLLBAR_ITEM_POSITION,
11243                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11244
11245         ModifyEditorElementList();
11246
11247         break;
11248
11249       case KSYM_Insert:
11250       case KSYM_Delete:
11251
11252         /* this is needed to prevent interference with running "True X-Mouse" */
11253         if (GetKeyModStateFromEvents() & KMOD_Control)
11254           break;
11255
11256         /* check for last or next editor cascade block in element list */
11257         for (i = 0; i < num_editor_elements; i++)
11258         {
11259           if ((key == KSYM_Insert && i == element_shift) ||
11260               (key == KSYM_Delete && new_element_shift > element_shift))
11261             break;
11262
11263           /* jump to next cascade block (or to start of element list) */
11264           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11265             new_element_shift = i;
11266         }
11267
11268         if (i < num_editor_elements)
11269           element_shift = new_element_shift;
11270
11271         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11272           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11273
11274         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11275                      GDI_SCROLLBAR_ITEM_POSITION,
11276                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11277
11278         ModifyEditorElementList();
11279
11280         break;
11281
11282       case KSYM_Escape:
11283         if (edit_mode == ED_MODE_DRAWING)
11284         {
11285           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11286         }
11287         else if (edit_mode == ED_MODE_INFO)
11288         {
11289           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11290         }
11291         else if (edit_mode == ED_MODE_PROPERTIES)
11292         {
11293           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11294         }
11295         else            /* should never happen */
11296         {
11297           DrawDrawingWindow();
11298           edit_mode = ED_MODE_DRAWING;
11299         }
11300
11301         break;
11302
11303       default:
11304         break;
11305     }
11306
11307     if (id != GADGET_ID_NONE)
11308       ClickOnGadget(level_editor_gadget[id], button);
11309     else if (letter == '.')
11310       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11311     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
11312       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11313     else
11314       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11315         if (letter && letter == control_info[i].shortcut)
11316           if (!anyTextGadgetActive())
11317             ClickOnGadget(level_editor_gadget[i], button);
11318   }
11319 }
11320
11321 void HandleLevelEditorIdle()
11322 {
11323   static unsigned long action_delay = 0;
11324   unsigned long action_delay_value = GameFrameDelay;
11325   int xpos = 1, ypos = 2;
11326   int i;
11327
11328   if (edit_mode != ED_MODE_PROPERTIES)
11329     return;
11330
11331   if (!DelayReached(&action_delay, action_delay_value))
11332     return;
11333
11334   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11335   {
11336     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11337
11338     if (gi->mapped && gi->active && gi->selectbox.open)
11339       return;
11340   }
11341
11342   DrawEditorElementAnimation(SX + xpos * TILEX,
11343                              SY + ypos * TILEY + MINI_TILEY / 2);
11344
11345   MarkTileDirty(xpos, ypos);
11346   MarkTileDirty(xpos, ypos + 1);
11347
11348   FrameCounter++;       /* increase animation frame counter */
11349 }
11350
11351 void ClearEditorGadgetInfoText()
11352 {
11353   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11354 }
11355
11356 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11357 {
11358   char infotext[MAX_OUTPUT_LINESIZE + 1];
11359   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11360   int max_infotext_len = getMaxInfoTextLength();
11361
11362   if (gi == NULL || gi->info_text == NULL)
11363     return;
11364
11365   strncpy(infotext, gi->info_text, max_infotext_len);
11366   infotext[max_infotext_len] = '\0';
11367
11368   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11369   {
11370     int key = control_info[gi->custom_id].shortcut;
11371
11372     if (key)
11373     {
11374       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11375         sprintf(shortcut, " ('.' or '%c')", key);
11376       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11377         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11378       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11379         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11380       else                                              /* normal case */
11381         sprintf(shortcut, " ('%s%c')",
11382                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11383
11384       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11385         strcat(infotext, shortcut);
11386     }
11387   }
11388
11389   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11390 }
11391
11392 void HandleEditorGadgetInfoText(void *ptr)
11393 {
11394   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11395
11396   if (game_status != GAME_MODE_EDITOR)
11397     return;
11398
11399   ClearEditorGadgetInfoText();
11400
11401   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11402     return;
11403
11404   /* misuse this function to delete brush cursor, if needed */
11405   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11406     DeleteBrushFromCursor();
11407
11408   PrintEditorGadgetInfoText(gi);
11409 }
11410
11411 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11412 {
11413   static int start_lx, start_ly;
11414   int id = gi->custom_id;
11415   int type_id = gi->custom_type_id;
11416   int sx = gi->event.x;
11417   int sy = gi->event.y;
11418   int lx = sx + level_xpos;
11419   int ly = sy + level_ypos;
11420   int min_sx = 0, min_sy = 0;
11421   int max_sx = gi->drawing.area_xsize - 1;
11422   int max_sy = gi->drawing.area_ysize - 1;
11423   int actual_drawing_function = drawing_function;
11424   int max_infotext_len = getMaxInfoTextLength();
11425   char infotext[MAX_OUTPUT_LINESIZE + 1];
11426   char *text;
11427
11428   infotext[0] = '\0';           /* start with empty info text */
11429
11430   /* pressed Control key: simulate picking element */
11431   if (GetKeyModState() & KMOD_Control)
11432     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11433
11434   ClearEditorGadgetInfoText();
11435
11436   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11437     return;
11438
11439   /* make sure to stay inside drawing area boundaries */
11440   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11441   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11442
11443   if (id == GADGET_ID_DRAWING_LEVEL)
11444   {
11445     if (button_status)
11446     {
11447       int min_lx = 0, min_ly = 0;
11448       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11449
11450       /* get positions inside level field */
11451       lx = sx + level_xpos;
11452       ly = sy + level_ypos;
11453
11454       /* make sure to stay inside level field boundaries */
11455       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11456       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11457
11458       /* correct drawing area positions accordingly */
11459       sx = lx - level_xpos;
11460       sy = ly - level_ypos;
11461     }
11462
11463     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11464     {
11465       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11466       {
11467         if (gi->event.type == GD_EVENT_PRESSED)
11468         {
11469           start_lx = lx;
11470           start_ly = ly;
11471         }
11472
11473         switch (actual_drawing_function)
11474         {
11475           case GADGET_ID_SINGLE_ITEMS:
11476             text = "Drawing single items";
11477             break;
11478           case GADGET_ID_CONNECTED_ITEMS:
11479             text = "Drawing connected items";
11480             break;
11481           case GADGET_ID_LINE:
11482             text = "Drawing line";
11483             break;
11484           case GADGET_ID_ARC:
11485             text = "Drawing arc";
11486             break;
11487           case GADGET_ID_TEXT:
11488             text = "Setting text cursor";
11489             break;
11490           case GADGET_ID_RECTANGLE:
11491             text = "Drawing rectangle";
11492             break;
11493           case GADGET_ID_FILLED_BOX:
11494             text = "Drawing filled box";
11495             break;
11496           case GADGET_ID_FLOOD_FILL:
11497             text = "Flood fill";
11498             break;
11499           case GADGET_ID_GRAB_BRUSH:
11500             text = "Grabbing brush";
11501             break;
11502           case GADGET_ID_PICK_ELEMENT:
11503             text = "Picking element";
11504             break;
11505
11506           default:
11507             text = "Drawing position";
11508             break;
11509         }
11510
11511         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11512           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11513         else
11514           sprintf(infotext, "%s: %d, %d", text,
11515                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11516       }
11517       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11518         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11519       else
11520         sprintf(infotext, "Level position: %d, %d", lx, ly);
11521     }
11522
11523     /* misuse this function to draw brush cursor, if needed */
11524     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11525     {
11526       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11527         CopyBrushToCursor(sx, sy);
11528       else
11529         DeleteBrushFromCursor();
11530     }
11531   }
11532   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11533   {
11534     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11535     int element = drawingarea_info[type_id].value[pos];
11536
11537     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11538   }
11539   else
11540   {
11541     if (id == GADGET_ID_CUSTOM_CONTENT)
11542       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11543     else if (id == GADGET_ID_GROUP_CONTENT)
11544       sprintf(infotext, "group element position: %d", sx + 1);
11545     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11546              id <= GADGET_ID_YAMYAM_CONTENT_7)
11547       sprintf(infotext, "content area %d position: %d, %d",
11548               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11549     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11550              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11551       sprintf(infotext, "content area %d position: %d, %d",
11552               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11553     else if (id == GADGET_ID_ANDROID_CONTENT)
11554       sprintf(infotext, "android element position: %d", sx + 1);
11555     else if (drawingarea_info[type_id].infotext != NULL)
11556       strcpy(infotext, drawingarea_info[type_id].infotext);
11557   }
11558
11559   infotext[max_infotext_len] = '\0';
11560
11561   if (strlen(infotext) > 0)
11562     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11563 }
11564
11565 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11566                             boolean quick_quit)
11567 {
11568   if (!ask_if_level_has_changed ||
11569       !LevelChanged() ||
11570       Request("Level has changed ! Exit without saving ?",
11571               REQ_ASK | REQ_STAY_OPEN))
11572   {
11573     CloseDoor(DOOR_CLOSE_1);
11574     SetDoorState(DOOR_CLOSE_2);
11575
11576 #if 1
11577     if (quick_quit)
11578       FadeSkipNextFadeIn();
11579 #else
11580     if (quick_quit)
11581       fading = fading_none;
11582 #endif
11583
11584     game_status = GAME_MODE_MAIN;
11585 #if 1
11586     DrawAndFadeInMainMenu(REDRAW_FIELD);
11587 #else
11588     DrawMainMenu();
11589 #endif
11590   }
11591   else
11592   {
11593     CloseDoor(DOOR_CLOSE_1);
11594     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11595   }
11596 }