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