src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 /*
  29   -----------------------------------------------------------------------------
  30   screen and artwork graphic pixel position definitions
  31   -----------------------------------------------------------------------------
  32 */
  33
  34 /* values for the control window */
  35 #define ED_CTRL_NO_BUTTONS_GFX_XPOS     6
  36 #define ED_CTRL_NO_BUTTONS_GFX_YPOS     286
  37 #define ED_CTRL1_BUTTONS_GFX_YPOS       236
  38 #define ED_CTRL2_BUTTONS_GFX_YPOS       236
  39 #define ED_CTRL3_BUTTONS_GFX_YPOS       324
  40 #define ED_CTRL4_BUTTONS_GFX_XPOS       44
  41 #define ED_CTRL4_BUTTONS_GFX_YPOS       214
  42 #define ED_CTRL1_BUTTONS_ALT_GFX_YPOS   142
  43 #define ED_CTRL3_BUTTONS_ALT_GFX_YPOS   302
  44 #define ED_CTRL5_BUTTONS_GFX_XPOS       5
  45 #define ED_CTRL5_BUTTONS_GFX_YPOS       110
  46
  47 #define ED_CTRL1_BUTTON_XSIZE           22
  48 #define ED_CTRL1_BUTTON_YSIZE           22
  49 #define ED_CTRL1_BUTTONS_XPOS           6
  50 #define ED_CTRL1_BUTTONS_YPOS           6
  51 #define ED_CTRL2_BUTTON_XSIZE           30
  52 #define ED_CTRL2_BUTTON_YSIZE           20
  53 #define ED_CTRL2_BUTTONS_XPOS           5
  54 #define ED_CTRL2_BUTTONS_YPOS           99
  55 #define ED_CTRL3_BUTTON_XSIZE           22
  56 #define ED_CTRL3_BUTTON_YSIZE           22
  57 #define ED_CTRL3_BUTTONS_XPOS           6
  58 #define ED_CTRL3_BUTTONS_YPOS           6
  59 #define ED_CTRL4_BUTTON_XSIZE           22
  60 #define ED_CTRL4_BUTTON_YSIZE           22
  61 #define ED_CTRL4_BUTTONS_XPOS           6
  62 #define ED_CTRL4_BUTTONS_YPOS           6
  63 #define ED_CTRL5_BUTTON_XSIZE           90
  64 #define ED_CTRL5_BUTTON_YSIZE           20
  65 #define ED_CTRL5_BUTTONS_XPOS           5
  66 #define ED_CTRL5_BUTTONS_YPOS           230
  67
  68 #define ED_CTRL1_BUTTONS_HORIZ          4
  69 #define ED_CTRL1_BUTTONS_VERT           4
  70 #define ED_CTRL2_BUTTONS_HORIZ          3
  71 #define ED_CTRL2_BUTTONS_VERT           2
  72 #define ED_CTRL3_BUTTONS_HORIZ          3
  73 #define ED_CTRL3_BUTTONS_VERT           1
  74 #define ED_CTRL4_BUTTONS_HORIZ          2
  75 #define ED_CTRL4_BUTTONS_VERT           1
  76 #define ED_CTRL5_BUTTONS_HORIZ          1
  77 #define ED_CTRL5_BUTTONS_VERT           1
  78
  79 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  80 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  81 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  82 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  83 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  84 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  85 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  86 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  87 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  88
  89 /* values for the element list */
  90 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  91 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  92 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  93 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  94 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  95 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  96 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  97                                          ED_ELEMENTLIST_BUTTONS_VERT)
  98
  99 /* standard distances */
 100 #define ED_BORDER_SIZE                  3
 101 #define ED_BORDER_TEXT_XSIZE            5
 102 #define ED_BORDER_AREA_YSIZE            1
 103
 104 #define ED_GADGET_DISTANCE              2
 105 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
 106 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
 107                                          MINI_TILEX / 2)
 108
 109 /* values for the settings windows */
 110 #define ED_LEVEL_SETTINGS_XSTART        (3 * MINI_TILEX / 2)
 111 #define ED_LEVEL_SETTINGS_YSTART        (7 * MINI_TILEY)
 112
 113 #define ED_ELEMENT_SETTINGS_XSTART      (3 * MINI_TILEX / 2)
 114 #define ED_ELEMENT_SETTINGS_YSTART      (10 * MINI_TILEY)
 115
 116 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE +         \
 117                                          2 * ED_GADGET_DISTANCE)
 118
 119 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
 120 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
 121 #define ED_SETTINGS_TAB_XOFFSET         124
 122
 123 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_LEVEL_SETTINGS_XSTART +     \
 124                                          (n) * ED_SETTINGS_XOFFSET)
 125 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_LEVEL_SETTINGS_YSTART +     \
 126                                          (n) * ED_SETTINGS_YOFFSET)
 127
 128 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_ELEMENT_SETTINGS_XSTART +   \
 129                                          (n) * ED_SETTINGS_XOFFSET)
 130 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_ELEMENT_SETTINGS_YSTART +   \
 131                                          (n) * ED_SETTINGS_YOFFSET)
 132
 133 #define ED_LEVEL_SETTINGS_TABS_XPOS(n)  (ED_LEVEL_SETTINGS_XPOS(0) +    \
 134                                         (n) * ED_SETTINGS_TAB_XOFFSET)
 135 #define ED_LEVEL_SETTINGS_TABS_YPOS(n)  (ED_LEVEL_SETTINGS_YSTART -     \
 136                                          3 * MINI_TILEY)
 137
 138 #define ED_ELEMENT_SETTINGS_TABS_XPOS(n) (ED_ELEMENT_SETTINGS_XPOS(0) + \
 139                                          (n) * ED_SETTINGS_TAB_XOFFSET)
 140 #define ED_ELEMENT_SETTINGS_TABS_YPOS(n) (ED_ELEMENT_SETTINGS_YSTART -  \
 141                                          2 * MINI_TILEY)
 142
 143 #define ED_SETTINGS1_YPOS               MINI_TILEY
 144 #define ED_SETTINGS2_XPOS               MINI_TILEX
 145 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 146
 147 /* values for counter gadgets */
 148 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 149 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 150 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART +            \
 151                                          (n) * ED_COUNTER_YDISTANCE)
 152 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART +            \
 153                                          (n) * ED_COUNTER_YDISTANCE - 2)
 154
 155 /* values for element content drawing areas */
 156 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 157 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 158                                          ED_GADGET_DISTANCE)
 159
 160 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 161 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 162                                          ED_GADGET_DISTANCE - MINI_TILEY)
 163
 164 /* yamyam content */
 165 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 166                                          5 * ((n) % 4) * MINI_TILEX)
 167 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (11 * ED_SETTINGS_YOFFSET +     \
 168                                          6 * ((n) / 4) * MINI_TILEY)
 169
 170 /* magic ball content */
 171 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS(n) (2 * MINI_TILEX +            \
 172                                             5 * ((n) % 4) * MINI_TILEX)
 173 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS(n) (12 * ED_SETTINGS_YOFFSET +  \
 174                                             6 * ((n) / 4) * MINI_TILEY)
 175
 176 /* values for scrolling gadgets for drawing area */
 177 #define ED_SCROLLBUTTON_XPOS            24
 178 #define ED_SCROLLBUTTON_YPOS            0
 179 #define ED_SCROLLBAR_XPOS               24
 180 #define ED_SCROLLBAR_YPOS               64
 181
 182 #define ED_SCROLLBUTTON_XSIZE           16
 183 #define ED_SCROLLBUTTON_YSIZE           16
 184
 185 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 186 #define ED_SCROLL_UP_YPOS               (0)
 187 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 188 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 189 #define ED_SCROLL_LEFT_XPOS             (0)
 190 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 191 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 192 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 193 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 194                                          ED_SCROLLBUTTON_XSIZE)
 195 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 196 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 197 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 198 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 199 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 200                                          ED_SCROLLBUTTON_YSIZE)
 201 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 202 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 203
 204 /* values for scrolling gadgets for element list */
 205 #define ED_SCROLLBUTTON2_XPOS           50
 206 #define ED_SCROLLBUTTON2_YPOS           0
 207 #define ED_SCROLLBAR2_XPOS              50
 208 #define ED_SCROLLBAR2_YPOS              20
 209
 210 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 211 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 212
 213 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 214                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 215                                          ED_ELEMENTLIST_XSIZE)
 216 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 217 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 218 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 219                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 220                                          ED_ELEMENTLIST_YSIZE -         \
 221                                          ED_SCROLLBUTTON2_YSIZE)
 222 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 223 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 224                                          ED_SCROLLBUTTON2_YSIZE)
 225 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 226 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 227                                          ED_ELEMENTLIST_YSIZE -         \
 228                                          2 * ED_SCROLLBUTTON2_YSIZE)
 229
 230 /* values for checkbutton gadgets */
 231 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 232 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 233 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 234 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 235 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 236 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 237 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 238
 239 /* values for some special graphic buttons */
 240 #define ED_COPY_CHANGE_PAGE_XPOS        25
 241 #define ED_COPY_CHANGE_PAGE_YPOS        50
 242 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 243 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 244
 245 /* some values for text input, selectbox and counter gadgets */
 246 #define ED_BUTTON_COUNT_YPOS            60
 247 #define ED_BUTTON_COUNT_XSIZE           20
 248 #define ED_BUTTON_COUNT_YSIZE           20
 249 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 250 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 251 #define ED_WIN_COUNT_XSIZE              52
 252 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 253
 254 #define ED_BUTTON_MINUS_XPOS            2
 255 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 256 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 257 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 258 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 259                                          ED_WIN_COUNT_XSIZE + 2)
 260 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 261 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 262 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 263
 264 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 265 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 266                                          2 + ED_WIN_COUNT_YSIZE)
 267 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 268 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 269
 270 #define ED_SELECTBOX_BUTTON_XSIZE       14
 271
 272 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 273 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 274                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 275 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 276
 277 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 278 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 279                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 280 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 281                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 282
 283 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 284 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 285
 286 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 287 #define INFOTEXT_XPOS                   SX
 288 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 289 #define INFOTEXT_XSIZE                  SXSIZE
 290 #define INFOTEXT_YSIZE                  MINI_TILEX
 291
 292
 293 /*
 294   -----------------------------------------------------------------------------
 295   editor gadget definitions
 296   -----------------------------------------------------------------------------
 297 */
 298
 299 /* drawing toolbox buttons */
 300 #define GADGET_ID_NONE                  -1
 301 #define GADGET_ID_TOOLBOX_FIRST         0
 302
 303 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 304 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 305 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 306 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 307 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 308 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 309 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 310 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 311 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 312 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 313 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 314 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 315 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 316 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 317 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 318 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 319
 320 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 321 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 322 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 323 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 324 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 325 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 326
 327 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 328 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 329 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 330 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 331 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 332
 333 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 334
 335 /* counter gadget identifiers */
 336 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 28)
 337
 338 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 339 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 340 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 341 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 342 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 343 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 344 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 345 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 346 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 347 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 348 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 349 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 350 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 351 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 352 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 353 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 354 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 355 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 356 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 357 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 358 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 359 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 360 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 361 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 362 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 363 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 364 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 365 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 366 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 367 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 368 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 369 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 370 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 371 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 372 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 373 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 374 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 375 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 376 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 377 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 378 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 379 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 380 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 381 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 382 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 383 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 384 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 385 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 386 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 387 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 388 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 389 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 390 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 391 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 392 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 393 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 394 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 395 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 396 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 397 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 398 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 399 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 400 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 401 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 402 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 403 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 404 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 405 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 406 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 407 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 408 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 409 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 410 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 411 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 412 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 413 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 414 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 415 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 416 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 417 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 418 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 419 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 420 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 421 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 422 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 423 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 424 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 425 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 426 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 427 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 428 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 429 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 430 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 431 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 432 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 433 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 434 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 435 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 436 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 437 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 438 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 439 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 440
 441 /* drawing area identifiers */
 442 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 443
 444 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 445 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 446 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 447 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 448 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 449 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 450 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 451 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 452 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 453 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 454 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 455 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 456 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 457 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 458 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 459 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 460 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 461 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 462 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 463 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 464 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 465 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 466 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 467 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 468 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 469 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 470 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 471 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 472 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 473 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 474 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 475 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 476 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 477
 478 /* text input identifiers */
 479 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 480
 481 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 482 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 483 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 484
 485 /* text area identifiers */
 486 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 487
 488 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 489
 490 /* selectbox identifiers */
 491 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 492
 493 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 494 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 495 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 496 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 497 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 498 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 499 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 500 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 501 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 502 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 503 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 504 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 505 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 506 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 507 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 508 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 509 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 510 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 511 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 512 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 513 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 514 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 515 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 516 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 517 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 518 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 519 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 520 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 521 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 522
 523 /* textbutton identifiers */
 524 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 525
 526 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 527 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 528 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 529 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 530 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 531 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 532 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 533 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 534 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 535 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 536
 537 /* graphicbutton identifiers */
 538 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 539
 540 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 541 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 542 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 543 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 544
 545 /* gadgets for scrolling of drawing area */
 546 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 547
 548 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 549 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 550 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 551 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 552 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 553 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 554
 555 /* gadgets for scrolling element list */
 556 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 557
 558 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 559 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 560 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 561
 562 /* checkbuttons/radiobuttons for level/element properties */
 563 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 564
 565 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 566 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 567 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 568 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 569 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 570 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 571 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 572 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 573 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 574 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 575 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 576 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 577 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 578 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 579 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 580 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 581 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 582 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 583 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 584 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 585 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 586 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 587 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 588 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 589 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 590 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 591 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 592 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 593 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 594 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 595 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 596 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 597 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 598 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 599 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 600 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 601 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 602 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 603 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 604 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 605 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 606 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 607 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 608 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 609 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 610 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 611 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 612 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 613 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 614 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 615 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 616 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 617 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 618 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 619
 620 /* gadgets for buttons in element list */
 621 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 622 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 623                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 624
 625 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 626
 627 /* radio button numbers */
 628 #define RADIO_NR_NONE                   0
 629 #define RADIO_NR_DRAWING_TOOLBOX        1
 630 #define RADIO_NR_RANDOM_ELEMENTS        2
 631
 632 /* values for counter gadgets */
 633 #define ED_COUNTER_ID_SELECT_LEVEL      0
 634 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 635 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 636 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 637 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 638 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 639 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 640 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 641 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 642 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 643 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 644 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 645 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 646 #define ED_COUNTER_ID_BALL_CONTENT      13
 647 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 648 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 649 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 650 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 651 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 652 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 653 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 654 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 655 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 656 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 657 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 658 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 659 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 660 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 661 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 662 #define ED_COUNTER_ID_IGNITION_DELAY    29
 663 #define ED_COUNTER_ID_GROUP_CONTENT     30
 664 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 665 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 666 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 667
 668 #define ED_NUM_COUNTERBUTTONS           34
 669
 670 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 671 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 672 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 673 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 674
 675 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 676 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 677 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 678 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 679 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 680 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 681
 682 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 683 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 684
 685 /* values for scrollbutton gadgets */
 686 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 687 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 688 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 689 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 690 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 691 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 692
 693 #define ED_NUM_SCROLLBUTTONS            6
 694
 695 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 696 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 697
 698 /* values for scrollbar gadgets */
 699 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 700 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 701 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 702
 703 #define ED_NUM_SCROLLBARS               3
 704
 705 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 706 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 707
 708 /* values for text input gadgets */
 709 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 710 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 711 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 712
 713 #define ED_NUM_TEXTINPUT                3
 714
 715 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 716 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 717
 718 /* values for text area gadgets */
 719 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 720
 721 #define ED_NUM_TEXTAREAS                        1
 722
 723 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 724 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 725
 726 /* values for selectbox gadgets */
 727 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 728 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 729 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 730 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 731 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 732 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 733 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 734 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 735 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 736 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 737 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 738 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 739 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 740 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 741 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 742 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 743 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 744 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 745 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 746 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 747 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 748 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 749 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 750 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 751 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 752 #define ED_SELECTBOX_ID_ACTION_MODE             25
 753 #define ED_SELECTBOX_ID_ACTION_ARG              26
 754 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 755 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 756
 757 #define ED_NUM_SELECTBOX                        29
 758
 759 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 760 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 761
 762 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 763 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 764 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 765 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 766 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 767 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 768
 769 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 770 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 771
 772 /* values for textbutton gadgets */
 773 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 774 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 775 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 776 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 777 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 778 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 779 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 780 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 781 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 782 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 783
 784 #define ED_NUM_TEXTBUTTONS                      10
 785
 786 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 787 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 788
 789 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 790 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 791
 792 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 793 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 794
 795 /* values for graphicbutton gadgets */
 796 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 797 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 798 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 799 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 800
 801 #define ED_NUM_GRAPHICBUTTONS                   4
 802
 803 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 804 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 805
 806 /* values for checkbutton gadgets */
 807 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 808 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 809 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 810 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 811 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 812 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 813 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 814 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 815 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 816 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 817 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 818 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 819 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 820 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 821 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 822 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 823 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 824 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 825 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 826 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 827 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 828 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 829 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 830 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 831 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 832 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 833 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 834 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 835 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 836 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 837 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 838 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 839 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 840 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 841 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 842 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 843 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 844 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 845 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 846 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 847 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 848 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 849 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 850 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 851 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 852 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 853 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 854 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 855 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 856 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 857 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 858 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 859
 860 #define ED_NUM_CHECKBUTTONS                     52
 861
 862 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 863 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 864
 865 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 866 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 867 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 868 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 869 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 870 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 871
 872 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 873 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 874
 875 /* values for radiobutton gadgets */
 876 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 877 #define ED_RADIOBUTTON_ID_QUANTITY      1
 878
 879 #define ED_NUM_RADIOBUTTONS             2
 880
 881 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 882 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 883
 884 /* values for drawing area gadgets */
 885 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 886 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 887 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 888 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 889 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 890 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 891 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 892 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 893 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 894 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 895 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 896 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 897 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 898 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 899 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 900 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 901 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 902 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 903 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 904 #define ED_DRAWING_ID_START_ELEMENT             19
 905 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 906 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 907 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 908 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 909 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 910 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 911 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 912 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 913 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 914 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 915 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 916 #define ED_DRAWING_ID_GROUP_CONTENT             31
 917 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 918
 919 #define ED_NUM_DRAWING_AREAS                    33
 920
 921
 922 /*
 923   -----------------------------------------------------------------------------
 924   some internally used definitions
 925   -----------------------------------------------------------------------------
 926 */
 927
 928 /* values for CopyLevelToUndoBuffer() */
 929 #define UNDO_IMMEDIATE                  0
 930 #define UNDO_ACCUMULATE                 1
 931
 932 /* values for scrollbars */
 933 #define ED_SCROLL_NO                    0
 934 #define ED_SCROLL_LEFT                  1
 935 #define ED_SCROLL_RIGHT                 2
 936 #define ED_SCROLL_UP                    4
 937 #define ED_SCROLL_DOWN                  8
 938
 939 /* screens in the level editor */
 940 #define ED_MODE_DRAWING                 0
 941 #define ED_MODE_INFO                    1
 942 #define ED_MODE_PROPERTIES              2
 943
 944 /* sub-screens in the global settings section */
 945 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 946 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 947
 948 /* sub-screens in the element properties section */
 949 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 950 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 951 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 952 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 953 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 954
 955 /* how many steps can be cancelled */
 956 #define NUM_UNDO_STEPS                  (10 + 1)
 957
 958 /* values for elements with score for certain actions */
 959 #define MIN_SCORE                       0
 960 #define MAX_SCORE                       999
 961
 962 /* values for elements with count for collecting */
 963 #define MIN_COLLECT_COUNT               0
 964 #define MAX_COLLECT_COUNT               999
 965
 966 /* values for random placement */
 967 #define RANDOM_USE_PERCENTAGE           0
 968 #define RANDOM_USE_QUANTITY             1
 969
 970 /* maximal size of level editor drawing area */
 971 #define MAX_ED_FIELDX                   (SCR_FIELDX)
 972 #define MAX_ED_FIELDY                   (SCR_FIELDY - 1)
 973
 974
 975 /*
 976   -----------------------------------------------------------------------------
 977   some internally used data structure definitions
 978   -----------------------------------------------------------------------------
 979 */
 980
 981 static struct
 982 {
 983   char shortcut;
 984   char *text;
 985 } control_info[ED_NUM_CTRL_BUTTONS] =
 986 {
 987   /* note: some additional characters are already reserved for "cheat mode"
 988      shortcuts (":XYZ" style) -- for details, see "events.c" */
 989
 990   { 's',        "draw single items"                     },
 991   { 'd',        "draw connected items"                  },
 992   { 'l',        "draw lines"                            },
 993   { 'a',        "draw arcs"                             },
 994   { 'r',        "draw outline rectangles"               },
 995   { 'R',        "draw filled rectangles"                },
 996   { '\0',       "wrap (rotate) level up"                },
 997   { 't',        "enter text elements"                   },
 998   { 'f',        "flood fill"                            },
 999   { '\0',       "wrap (rotate) level left"              },
1000   { 'z',        "zoom level tile size"                  },
1001   { '\0',       "wrap (rotate) level right"             },
1002   { '\0',       "random element placement"              },
1003   { 'b',        "grab brush"                            },
1004   { '\0',       "wrap (rotate) level down"              },
1005   { ',',        "pick drawing element"                  },
1006
1007   { 'U',        "undo last operation"                   },
1008   { 'I',        "properties of level"                   },
1009   { 'S',        "save level"                            },
1010   { 'C',        "clear level"                           },
1011   { 'T',        "test level"                            },
1012   { 'E',        "exit level editor"                     },
1013
1014   { '\0',       "copy settings from other element"      },
1015   { '\0',       "copy settings to other element"        },
1016   { '\0',       "exchange element with other element"   },
1017
1018   { '\0',       "copy settings from this element"       },
1019   { '\0',       "paste settings to this element"        },
1020
1021   { 'p',        "properties of drawing element"         },
1022 };
1023
1024 static int random_placement_value = 10;
1025 static int random_placement_method = RANDOM_USE_QUANTITY;
1026 static int random_placement_background_element = EL_SAND;
1027 static boolean random_placement_background_restricted = FALSE;
1028 static boolean stick_element_properties_window = FALSE;
1029 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1030 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1031 static struct ElementChangeInfo custom_element_change;
1032 static struct ElementGroupInfo group_element_info;
1033 static struct ElementInfo custom_element;
1034
1035 static struct
1036 {
1037   int x, y;
1038   int min_value, max_value;
1039   int gadget_id_down, gadget_id_up;
1040   int gadget_id_text;
1041   int gadget_id_align;
1042   int *value;
1043   char *text_above, *text_left, *text_right;
1044 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1045 {
1046   /* ---------- current level number --------------------------------------- */
1047
1048   {
1049     -1, -1,     /* these values are not constant, but can change at runtime */
1050     1,                                  100,
1051     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1052     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1053     &level_nr,
1054     NULL,                               NULL, NULL
1055   },
1056
1057   /* ---------- level and editor settings ---------------------------------- */
1058
1059   {
1060     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1061     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1062     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1063     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1064     &level.fieldx,
1065     "playfield size:",                  NULL, "width",
1066   },
1067   {
1068     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1069     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1070     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1071     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1072     &level.fieldy,
1073     NULL,                               " ", "height",
1074   },
1075   {
1076     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1077     0,                                  999,
1078     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1079     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1080     &level.gems_needed,
1081     NULL,                               "number of gems to collect:", NULL
1082   },
1083   {
1084     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1085     0,                                  9999,
1086     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1087     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1088     &level.time,
1089     "time or step limit to solve level:", NULL, NULL
1090   },
1091   {
1092     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1093     0,                                  999,
1094     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1095     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1096     &level.score[SC_TIME_BONUS],
1097     "score for each second/step left:", NULL, NULL
1098   },
1099   {
1100     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1101     0,                                  9999,
1102     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1103     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1104     &level.random_seed,
1105     NULL,                               "random seed:", "(0 => random)"
1106   },
1107   {
1108     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1109     1,                                  100,
1110     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1111     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1112     &random_placement_value,
1113     "random element placement:",        NULL, "in"
1114   },
1115
1116   /* ---------- element settings: configure (various elements) ------------- */
1117
1118   {
1119     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1120     MIN_SCORE,                          MAX_SCORE,
1121     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1122     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1123     NULL,                               /* will be set when used */
1124     NULL,                               NULL, NULL
1125   },
1126   {
1127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1128     MIN_SCORE,                          MAX_SCORE,
1129     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1130     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1131     NULL,                               /* will be set when used */
1132     NULL,                               NULL, NULL
1133   },
1134   {
1135     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1136     MIN_SCORE,                          MAX_SCORE,
1137     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1138     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1139     NULL,                               /* will be set when used */
1140     NULL,                               NULL, NULL
1141   },
1142   {
1143     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1144     MIN_SCORE,                          MAX_SCORE,
1145     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1146     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1147     NULL,                               /* will be set when used */
1148     NULL,                               NULL, NULL
1149   },
1150   {
1151     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1152     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1153     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1154     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1155     &level.num_yamyam_contents,
1156     NULL,                               NULL, "number of content areas"
1157   },
1158   {
1159     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1160     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1161     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1162     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1163     &level.num_ball_contents,
1164     NULL,                               NULL, "number of content areas"
1165   },
1166   {
1167     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1168     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1169     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1170     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1171     &level.num_android_clone_elements,
1172     NULL,                               NULL, "number of clonable elements"
1173   },
1174   {
1175     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1176     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1177     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1178     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1179     NULL,                               /* will be set when used */
1180     NULL,                               NULL, "width",
1181   },
1182   {
1183     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1184     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1185     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1186     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1187     NULL,                               /* will be set when used */
1188     NULL,                               " ", "height",
1189   },
1190   {
1191     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1192     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1193     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1194     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1195     &level.initial_inventory_size[0],
1196     NULL,                               NULL, "number of inventory elements"
1197   },
1198
1199   /* ---------- element settings: configure 1 (custom elements) ------------ */
1200
1201   {
1202     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1203     MIN_SCORE,                          MAX_SCORE,
1204     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1205     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1206     &custom_element.collect_score_initial,
1207     NULL,                               "CE score", " "
1208   },
1209   {
1210     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1211     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1212     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1213     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1214     &custom_element.collect_count_initial,
1215     NULL,                               "CE count", NULL
1216   },
1217   {
1218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1219     0,                                  9999,
1220     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1221     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1222     &custom_element.ce_value_fixed_initial,
1223     NULL,                               "CE value", NULL
1224   },
1225   {
1226     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1227     0,                                  9999,
1228     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1229     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1230     &custom_element.ce_value_random_initial,
1231     NULL,                               "+random", NULL
1232   },
1233   {
1234     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1235     0,                                  999,
1236     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1237     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1238     &custom_element.push_delay_fixed,
1239     NULL,                               "push delay", NULL
1240   },
1241   {
1242     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1243     0,                                  999,
1244     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1245     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1246     &custom_element.push_delay_random,
1247     NULL,                               "+random", NULL
1248   },
1249   {
1250     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1251     0,                                  999,
1252     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1253     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1254     &custom_element.drop_delay_fixed,
1255     NULL,                               "drop delay", NULL
1256   },
1257   {
1258     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1259     0,                                  999,
1260     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1261     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1262     &custom_element.drop_delay_random,
1263     NULL,                               "+random", NULL
1264   },
1265
1266   /* ---------- element settings: configure 2 (custom elements) ------------ */
1267
1268   {
1269     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1270     0,                                  999,
1271     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1272     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1273     &custom_element.move_delay_fixed,
1274     NULL,                               "move delay", NULL
1275   },
1276   {
1277     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1278     0,                                  999,
1279     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1280     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1281     &custom_element.move_delay_random,
1282     NULL,                               "+random", NULL
1283   },
1284   {
1285     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1286     0,                                  999,
1287     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1288     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1289     &custom_element.explosion_delay,
1290     NULL,                               "explosion delay", NULL
1291   },
1292   {
1293     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1294     0,                                  999,
1295     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1296     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1297     &custom_element.ignition_delay,
1298     NULL,                               "ignition delay", "(by fire)"
1299   },
1300
1301   /* ---------- element settings: configure (group elements) --------------- */
1302
1303   {
1304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1305     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1306     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1307     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1308     &group_element_info.num_elements,
1309     NULL,                               NULL, "number of elements in group"
1310   },
1311
1312   /* ---------- element settings: advanced (custom elements) --------------- */
1313
1314   {
1315     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1316     0,                                  999,
1317     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1318     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1319     &custom_element_change.delay_fixed,
1320     NULL,                               "CE delay", NULL,
1321   },
1322   {
1323     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1324     0,                                  999,
1325     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1326     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1327     &custom_element_change.delay_random,
1328     NULL,                               "+random", NULL
1329   },
1330   {
1331     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1332     0,                                  100,
1333     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1334     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1335     &custom_element_change.random_percentage,
1336     NULL,                               "use random replace:", "%"
1337   },
1338 };
1339
1340 static struct
1341 {
1342   int x, y;
1343   int gadget_id;
1344   int size;
1345   char *value;
1346   char *text_above, *infotext;
1347 } textinput_info[ED_NUM_TEXTINPUT] =
1348 {
1349   {
1350     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1351     GADGET_ID_LEVEL_NAME,
1352     MAX_LEVEL_NAME_LEN,
1353     level.name,
1354     "Title:", "Title"
1355   },
1356   {
1357     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1358     GADGET_ID_LEVEL_AUTHOR,
1359     MAX_LEVEL_AUTHOR_LEN,
1360     level.author,
1361     "Author:", "Author"
1362   },
1363   {
1364     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1365     GADGET_ID_ELEMENT_NAME,
1366     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1367     custom_element.description,
1368     NULL, "Element name"
1369   }
1370 };
1371
1372 static struct
1373 {
1374   int x, y;
1375   int gadget_id;
1376   int xsize, ysize;
1377   char *value;
1378   char *text_above, *infotext;
1379 } textarea_info[ED_NUM_TEXTAREAS] =
1380 {
1381   {
1382     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1383     GADGET_ID_ENVELOPE_INFO,
1384     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1385     NULL,
1386     "Envelope Content:", "Envelope Content"
1387   }
1388 };
1389
1390 static struct ValueTextInfo options_time_or_steps[] =
1391 {
1392   { 0,                          "seconds"                       },
1393   { 1,                          "steps"                         },
1394
1395   { -1,                         NULL                            }
1396 };
1397
1398 static struct ValueTextInfo options_game_engine_type[] =
1399 {
1400   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1401   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1402   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1403
1404   { -1,                         NULL                            }
1405 };
1406
1407 static struct ValueTextInfo options_wind_direction[] =
1408 {
1409   { MV_START_NONE,              "none"                          },
1410   { MV_START_LEFT,              "left"                          },
1411   { MV_START_RIGHT,             "right"                         },
1412   { MV_START_UP,                "up"                            },
1413   { MV_START_DOWN,              "down"                          },
1414
1415   { -1,                         NULL                            }
1416 };
1417
1418 static struct ValueTextInfo options_player_speed[] =
1419 {
1420   { 0,                          "frozen"                        },
1421   { 1,                          "very slow"                     },
1422   { 2,                          "slow"                          },
1423   { 4,                          "normal"                        },
1424   { 8,                          "fast"                          },
1425   { 16,                         "very fast"                     },
1426   { 32,                         "ultrafast"                     },
1427
1428   { -1,                         NULL                            }
1429 };
1430
1431 static struct ValueTextInfo options_access_type[] =
1432 {
1433   { EP_WALKABLE,                "walkable"                      },
1434   { EP_PASSABLE,                "passable"                      },
1435
1436   { -1,                         NULL                            }
1437 };
1438
1439 static struct ValueTextInfo options_access_layer[] =
1440 {
1441   { EP_ACCESSIBLE_OVER,         "over"                          },
1442   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1443   { EP_ACCESSIBLE_UNDER,        "under"                         },
1444
1445   { -1,                         NULL                            }
1446 };
1447
1448 static struct ValueTextInfo options_access_protected[] =
1449 {
1450   { 0,                          "unprotected"                   },
1451   { 1,                          "protected"                     },
1452
1453   { -1,                         NULL                            }
1454 };
1455
1456 static struct ValueTextInfo options_access_direction[] =
1457 {
1458   { MV_NO_DIRECTION,            "no direction"                  },
1459   { MV_LEFT,                    "left"                          },
1460   { MV_RIGHT,                   "right"                         },
1461   { MV_UP,                      "up"                            },
1462   { MV_DOWN,                    "down"                          },
1463   { MV_LEFT  | MV_UP,           "left + up"                     },
1464   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1465   { MV_RIGHT | MV_UP,           "right + up"                    },
1466   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1467   { MV_HORIZONTAL,              "horizontal"                    },
1468   { MV_VERTICAL,                "vertical"                      },
1469   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1470   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1471   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1472   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1473   { MV_ALL_DIRECTIONS,          "all directions"                },
1474
1475   { -1,                         NULL                            }
1476 };
1477
1478 static struct ValueTextInfo options_walk_to_action[] =
1479 {
1480   { EP_DIGGABLE,                "diggable"                      },
1481   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1482   { EP_DROPPABLE,               "collectible & droppable"       },
1483   { EP_THROWABLE,               "collectible & throwable"       },
1484   { EP_PUSHABLE,                "pushable"                      },
1485
1486   { -1,                         NULL                            }
1487 };
1488
1489 static struct ValueTextInfo options_move_pattern[] =
1490 {
1491   { MV_LEFT,                    "left"                          },
1492   { MV_RIGHT,                   "right"                         },
1493   { MV_UP,                      "up"                            },
1494   { MV_DOWN,                    "down"                          },
1495   { MV_HORIZONTAL,              "horizontal"                    },
1496   { MV_VERTICAL,                "vertical"                      },
1497   { MV_ALL_DIRECTIONS,          "all directions"                },
1498   { MV_WIND_DIRECTION,          "wind direction"                },
1499   { MV_TOWARDS_PLAYER,          "towards player"                },
1500   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1501   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1502   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1503   { MV_TURNING_LEFT,            "turning left"                  },
1504   { MV_TURNING_RIGHT,           "turning right"                 },
1505   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1506   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1507   { MV_TURNING_RANDOM,          "turning random"                },
1508   { MV_MAZE_RUNNER,             "maze runner style"             },
1509   { MV_MAZE_HUNTER,             "maze hunter style"             },
1510   { MV_WHEN_PUSHED,             "when pushed"                   },
1511   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1512
1513   { -1,                         NULL                            }
1514 };
1515
1516 static struct ValueTextInfo options_move_direction[] =
1517 {
1518   { MV_START_AUTOMATIC,         "automatic"                     },
1519   { MV_START_LEFT,              "left"                          },
1520   { MV_START_RIGHT,             "right"                         },
1521   { MV_START_UP,                "up"                            },
1522   { MV_START_DOWN,              "down"                          },
1523   { MV_START_RANDOM,            "random"                        },
1524   { MV_START_PREVIOUS,          "previous"                      },
1525
1526   { -1,                         NULL                            }
1527 };
1528
1529 static struct ValueTextInfo options_move_stepsize[] =
1530 {
1531   { 0,                          "not moving"                    },
1532   { 1,                          "very slow"                     },
1533   { 2,                          "slow"                          },
1534   { 4,                          "normal"                        },
1535   { 8,                          "fast"                          },
1536   { 16,                         "very fast"                     },
1537   { 32,                         "even faster"                   },
1538
1539   { -1,                         NULL                            }
1540 };
1541
1542 static struct ValueTextInfo options_move_leave_type[] =
1543 {
1544   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1545   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1546
1547   { -1,                         NULL                            }
1548 };
1549
1550 static struct ValueTextInfo options_smash_targets[] =
1551 {
1552   { EP_CAN_SMASH_PLAYER,        "player"                        },
1553 #if 0
1554   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1555 #endif
1556   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1557
1558   { -1,                         NULL                            }
1559 };
1560
1561 static struct ValueTextInfo options_slippery_type[] =
1562 {
1563   { SLIPPERY_ANY_RANDOM,        "random"                        },
1564   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1565   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1566   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1567   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1568
1569   { -1,                         NULL                            }
1570 };
1571
1572 static struct ValueTextInfo options_deadliness[] =
1573 {
1574   { EP_DONT_RUN_INTO,           "running into"                  },
1575   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1576   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1577   { EP_DONT_TOUCH,              "touching"                      },
1578
1579   { -1,                         NULL                            }
1580 };
1581
1582 static struct ValueTextInfo options_explosion_type[] =
1583 {
1584   { EXPLODES_3X3,               "3x3"                           },
1585   { EXPLODES_CROSS,             "3+3"                           },
1586   { EXPLODES_1X1,               "1x1"                           },
1587
1588   { -1,                         NULL                            }
1589 };
1590
1591 static struct ValueTextInfo options_time_units[] =
1592 {
1593   { 1,                          "frames"                        },
1594   { FRAMES_PER_SECOND,          "seconds"                       },
1595
1596   { -1,                         NULL                            }
1597 };
1598
1599 static struct ValueTextInfo options_change_direct_action[] =
1600 {
1601   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1602   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1603   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1604   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1605   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1606   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1607   { CE_LEFT_BY_PLAYER,          "left by player"                },
1608   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1609   { CE_SWITCHED,                "switched"                      },
1610   { CE_HITTING_SOMETHING,       "hitting something"             },
1611   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1612 #if 0
1613   { CE_BLOCKED,                 "blocked"                       },
1614 #endif
1615   { CE_IMPACT,                  "impact (on something)"         },
1616   { CE_SMASHED,                 "smashed (from above)"          },
1617 #if 0
1618   { CE_VALUE_CHANGES,           "CE value changes"              },
1619   { CE_SCORE_CHANGES,           "CE score changes"              },
1620 #endif
1621   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1622   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1623
1624   { -1,                         NULL                            }
1625 };
1626
1627 static struct ValueTextInfo options_change_other_action[] =
1628 {
1629   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1630   { CE_PLAYER_PRESSES_X,        "player presses"                },
1631   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1632   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1633   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1634   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1635   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1636   { CE_PLAYER_DIGS_X,           "player digs"                   },
1637   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1638   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1639   { CE_TOUCHING_X,              "touching"                      },
1640   { CE_HITTING_X,               "hitting"                       },
1641   { CE_DIGGING_X,               "digging"                       },
1642   { CE_HIT_BY_X,                "hit by"                        },
1643   { CE_SWITCH_OF_X,             "switch of"                     },
1644   { CE_CHANGE_OF_X,             "change by page of"             },
1645   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1646   { CE_MOVE_OF_X,               "move of"                       },
1647   { CE_CREATION_OF_X,           "creation of"                   },
1648   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1649   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1650   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1651   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1652
1653   { -1,                         NULL                            }
1654 };
1655
1656 static struct ValueTextInfo options_change_trigger_side[] =
1657 {
1658   { CH_SIDE_LEFT,               "left"                          },
1659   { CH_SIDE_RIGHT,              "right"                         },
1660   { CH_SIDE_TOP,                "top"                           },
1661   { CH_SIDE_BOTTOM,             "bottom"                        },
1662   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1663   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1664   { CH_SIDE_ANY,                "any"                           },
1665
1666   { -1,                         NULL                            }
1667 };
1668
1669 static struct ValueTextInfo options_change_trigger_player[] =
1670 {
1671   { CH_PLAYER_1,                "1"                             },
1672   { CH_PLAYER_2,                "2"                             },
1673   { CH_PLAYER_3,                "3"                             },
1674   { CH_PLAYER_4,                "4"                             },
1675   { CH_PLAYER_ANY,              "any"                           },
1676
1677   { -1,                         NULL                            }
1678 };
1679
1680 static struct ValueTextInfo options_change_trigger_page[] =
1681 {
1682   { (1 << 0),                   "1"                             },
1683   { (1 << 1),                   "2"                             },
1684   { (1 << 2),                   "3"                             },
1685   { (1 << 3),                   "4"                             },
1686   { (1 << 4),                   "5"                             },
1687   { (1 << 5),                   "6"                             },
1688   { (1 << 6),                   "7"                             },
1689   { (1 << 7),                   "8"                             },
1690   { (1 << 8),                   "9"                             },
1691   { (1 << 9),                   "10"                            },
1692   { (1 << 10),                  "11"                            },
1693   { (1 << 11),                  "12"                            },
1694   { (1 << 12),                  "13"                            },
1695   { (1 << 13),                  "14"                            },
1696   { (1 << 14),                  "15"                            },
1697   { (1 << 15),                  "16"                            },
1698   { (1 << 16),                  "17"                            },
1699   { (1 << 17),                  "18"                            },
1700   { (1 << 18),                  "19"                            },
1701   { (1 << 19),                  "20"                            },
1702   { (1 << 20),                  "21"                            },
1703   { (1 << 21),                  "22"                            },
1704   { (1 << 22),                  "23"                            },
1705   { (1 << 23),                  "24"                            },
1706   { (1 << 24),                  "25"                            },
1707   { (1 << 25),                  "26"                            },
1708   { (1 << 26),                  "27"                            },
1709   { (1 << 27),                  "28"                            },
1710   { (1 << 28),                  "29"                            },
1711   { (1 << 29),                  "30"                            },
1712   { (1 << 30),                  "31"                            },
1713   { (1 << 31),                  "32"                            },
1714   { CH_PAGE_ANY,                "any"                           },
1715
1716   { -1,                         NULL                            }
1717 };
1718
1719 static struct ValueTextInfo options_change_replace_when[] =
1720 {
1721   { CP_WHEN_EMPTY,              "empty"                         },
1722   { CP_WHEN_WALKABLE,           "walkable"                      },
1723   { CP_WHEN_DIGGABLE,           "diggable"                      },
1724   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1725   { CP_WHEN_REMOVABLE,          "removable"                     },
1726   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1727
1728   { -1,                         NULL                            }
1729 };
1730
1731 static struct ValueTextInfo options_action_type[] =
1732 {
1733   { CA_NO_ACTION,               "no action"                     },
1734   { CA_UNDEFINED,               " "                             },
1735   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1736   { CA_RESTART_LEVEL,           "restart level"                 },
1737   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1738   { CA_SET_LEVEL_TIME,          "set time"                      },
1739   { CA_SET_LEVEL_SCORE,         "set score"                     },
1740   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1741   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1742   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1743   { CA_UNDEFINED,               " "                             },
1744   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1745   { CA_MOVE_PLAYER,             "move player"                   },
1746   { CA_EXIT_PLAYER,             "exit player"                   },
1747   { CA_KILL_PLAYER,             "kill player"                   },
1748   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1749   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1750   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1751   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1752   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1753   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1754   { CA_UNDEFINED,               " "                             },
1755   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1756   { CA_SET_CE_VALUE,            "set CE value"                  },
1757   { CA_SET_CE_SCORE,            "set CE score"                  },
1758   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1759   { CA_UNDEFINED,               " "                             },
1760   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1761   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1762
1763   { -1,                         NULL                            }
1764 };
1765
1766 static struct ValueTextInfo options_action_mode_none[] =
1767 {
1768   { CA_MODE_UNDEFINED,          " "                             },
1769
1770   { -1,                         NULL                            }
1771 };
1772
1773 static struct ValueTextInfo options_action_mode_assign[] =
1774 {
1775   { CA_MODE_SET,                "="                             },
1776
1777   { -1,                         NULL                            }
1778 };
1779
1780 static struct ValueTextInfo options_action_mode_add_remove[] =
1781 {
1782   { CA_MODE_ADD,                "+"                             },
1783   { CA_MODE_SUBTRACT,           "-"                             },
1784
1785   { -1,                         NULL                            }
1786 };
1787
1788 static struct ValueTextInfo options_action_mode_calculate[] =
1789 {
1790   { CA_MODE_SET,                "="                             },
1791   { CA_MODE_ADD,                "+"                             },
1792   { CA_MODE_SUBTRACT,           "-"                             },
1793   { CA_MODE_MULTIPLY,           "*"                             },
1794   { CA_MODE_DIVIDE,             "/"                             },
1795   { CA_MODE_MODULO,             "%"                             },
1796
1797   { -1,                         NULL                            }
1798 };
1799
1800 static struct ValueTextInfo options_action_arg_none[] =
1801 {
1802   { CA_ARG_UNDEFINED,           "         "                     },
1803
1804   { -1,                         NULL                            }
1805 };
1806
1807 static struct ValueTextInfo options_action_arg_player[] =
1808 {
1809   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1810   { CA_ARG_PLAYER_1,            "1"                             },
1811   { CA_ARG_PLAYER_2,            "2"                             },
1812   { CA_ARG_PLAYER_3,            "3"                             },
1813   { CA_ARG_PLAYER_4,            "4"                             },
1814   { CA_ARG_PLAYER_ANY,          "any"                           },
1815   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1816   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1817
1818   { -1,                         NULL                            }
1819 };
1820
1821 static struct ValueTextInfo options_action_arg_number[] =
1822 {
1823   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1824   { CA_ARG_0,                   "0"                             },
1825   { CA_ARG_1,                   "1"                             },
1826   { CA_ARG_2,                   "2"                             },
1827   { CA_ARG_3,                   "3"                             },
1828   { CA_ARG_4,                   "4"                             },
1829   { CA_ARG_5,                   "5"                             },
1830   { CA_ARG_10,                  "10"                            },
1831   { CA_ARG_100,                 "100"                           },
1832   { CA_ARG_1000,                "1000"                          },
1833   { CA_ARG_UNDEFINED,           " "                             },
1834   { CA_ARG_NUMBER_MIN,          "min"                           },
1835   { CA_ARG_NUMBER_MAX,          "max"                           },
1836   { CA_ARG_UNDEFINED,           " "                             },
1837   { CA_ARG_NUMBER_RESET,        "reset"                         },
1838   { CA_ARG_UNDEFINED,           " "                             },
1839   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1840   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1841   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1842   { CA_ARG_UNDEFINED,           " "                             },
1843   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1844   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1845   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1846   { CA_ARG_UNDEFINED,           " "                             },
1847   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1848   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1849   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1850   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1851   { CA_ARG_UNDEFINED,           " "                             },
1852   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1853   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1854   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1855   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1856
1857   { -1,                         NULL                            }
1858 };
1859
1860 static struct ValueTextInfo options_action_arg_value[] =
1861 {
1862   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1863   { CA_ARG_0,                   "0"                             },
1864   { CA_ARG_1,                   "1"                             },
1865   { CA_ARG_2,                   "2"                             },
1866   { CA_ARG_3,                   "3"                             },
1867   { CA_ARG_4,                   "4"                             },
1868   { CA_ARG_5,                   "5"                             },
1869   { CA_ARG_10,                  "10"                            },
1870   { CA_ARG_100,                 "100"                           },
1871   { CA_ARG_1000,                "1000"                          },
1872   { CA_ARG_UNDEFINED,           " "                             },
1873   { CA_ARG_NUMBER_MIN,          "min"                           },
1874   { CA_ARG_NUMBER_MAX,          "max"                           },
1875   { CA_ARG_UNDEFINED,           " "                             },
1876   { CA_ARG_NUMBER_RESET,        "reset"                         },
1877   { CA_ARG_UNDEFINED,           " "                             },
1878   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1879   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1880   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1881   { CA_ARG_UNDEFINED,           " "                             },
1882   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1883   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1884   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1885   { CA_ARG_UNDEFINED,           " "                             },
1886   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1887   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1888   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1889   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1890   { CA_ARG_UNDEFINED,           " "                             },
1891   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1892   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1893   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1894   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1895   { CA_ARG_UNDEFINED,           " "                             },
1896   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1897   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1898   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1899   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1900
1901   { -1,                         NULL                            }
1902 };
1903
1904 static struct ValueTextInfo options_action_arg_envelope[] =
1905 {
1906   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1907   { CA_ARG_1,                   "1"                             },
1908   { CA_ARG_2,                   "2"                             },
1909   { CA_ARG_3,                   "3"                             },
1910   { CA_ARG_4,                   "4"                             },
1911   { CA_ARG_UNDEFINED,           " "                             },
1912   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1913   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1914   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1915   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1916
1917   { -1,                         NULL                            }
1918 };
1919
1920 static struct ValueTextInfo options_action_arg_key[] =
1921 {
1922   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1923   { CA_ARG_1,                   "1"                             },
1924   { CA_ARG_2,                   "2"                             },
1925   { CA_ARG_3,                   "3"                             },
1926   { CA_ARG_4,                   "4"                             },
1927   { CA_ARG_5,                   "5"                             },
1928   { CA_ARG_6,                   "6"                             },
1929   { CA_ARG_7,                   "7"                             },
1930   { CA_ARG_8,                   "8"                             },
1931   { CA_ARG_UNDEFINED,           " "                             },
1932   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1933   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1934   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1935   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1936
1937   { -1,                         NULL                            }
1938 };
1939
1940 static struct ValueTextInfo options_action_arg_speed[] =
1941 {
1942   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1943   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1944   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1945   { CA_ARG_SPEED_SLOW,          "slow"                          },
1946   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1947   { CA_ARG_SPEED_FAST,          "fast"                          },
1948   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1949   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1950   { CA_ARG_UNDEFINED,           " "                             },
1951   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1952   { CA_ARG_SPEED_FASTER,        "faster"                        },
1953   { CA_ARG_UNDEFINED,           " "                             },
1954   { CA_ARG_SPEED_RESET,         "reset"                         },
1955
1956   { -1,                         NULL                            }
1957 };
1958
1959 static struct ValueTextInfo options_action_arg_shield[] =
1960 {
1961   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1962   { CA_ARG_SHIELD_OFF,          "off"                           },
1963   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1964   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1965
1966   { -1,                         NULL                            }
1967 };
1968
1969 static struct ValueTextInfo options_action_arg_artwork[] =
1970 {
1971   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1972   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1973   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1974   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1975   { CA_ARG_UNDEFINED,           " "                             },
1976   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1977
1978   { -1,                         NULL                            }
1979 };
1980
1981 static struct ValueTextInfo options_action_arg_gravity[] =
1982 {
1983   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1984   { CA_ARG_GRAVITY_ON,          "on"                            },
1985   { CA_ARG_GRAVITY_OFF,         "off"                           },
1986   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1987
1988   { -1,                         NULL                            }
1989 };
1990
1991 static struct ValueTextInfo options_action_arg_direction[] =
1992 {
1993   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1994   { CA_ARG_DIRECTION_NONE,      "none"                          },
1995   { CA_ARG_DIRECTION_LEFT,      "left"                          },
1996   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
1997   { CA_ARG_DIRECTION_UP,        "up"                            },
1998   { CA_ARG_DIRECTION_DOWN,      "down"                          },
1999   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2000   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2001
2002   { -1,                         NULL                            }
2003 };
2004
2005 static struct ValueTextInfo options_action_arg_scan_mode[] =
2006 {
2007   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2008   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2009   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2010
2011   { -1,                         NULL                            }
2012 };
2013
2014 static struct ValueTextInfo options_action_arg_inventory[] =
2015 {
2016   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2017   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2018   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2019   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2020   { CA_ARG_UNDEFINED,           " "                             },
2021   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2022   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2023   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2024   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2025   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2026   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2027   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2028   { CA_ARG_UNDEFINED,           " "                             },
2029   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2030
2031   { -1,                         NULL                            }
2032 };
2033
2034 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2035 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2036 {
2037   { -1,                         NULL                            }
2038 };
2039
2040 static struct ValueTextInfo options_group_choice_mode[] =
2041 {
2042   { ANIM_RANDOM,                "random"                        },
2043   { ANIM_LOOP,                  "loop"                          },
2044   { ANIM_LINEAR,                "linear"                        },
2045   { ANIM_PINGPONG,              "pingpong"                      },
2046   { ANIM_PINGPONG2,             "pingpong 2"                    },
2047
2048   { -1,                         NULL                            }
2049 };
2050
2051 static struct ValueTextInfo *action_arg_modes[] =
2052 {
2053   options_action_mode_none,
2054   options_action_mode_assign,
2055   options_action_mode_add_remove,
2056   options_action_mode_calculate,
2057 };
2058
2059 static struct
2060 {
2061   int value;
2062   int mode;
2063   struct ValueTextInfo *options;
2064 }
2065 action_arg_options[] =
2066 {
2067   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2068   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2069   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2070   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2071   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2072   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2073   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2074   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2075   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2076   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2077   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2078   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2079   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2080   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2081   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2082   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2083   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2084   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2085   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2086   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2087   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2088
2089   { -1,                         FALSE,  NULL                            }
2090 };
2091
2092 static struct
2093 {
2094   int x, y;
2095   int gadget_id;
2096   int gadget_id_align;
2097   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2098   struct ValueTextInfo *options;
2099   int *value;
2100   char *text_left, *text_right, *infotext;
2101 } selectbox_info[ED_NUM_SELECTBOX] =
2102 {
2103   /* ---------- level and editor settings ---------------------------------- */
2104
2105   {
2106     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2107     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2108     -1,
2109     options_time_or_steps,
2110     &level.use_step_counter,
2111     NULL, "(0 => no limit)",            "time or step limit"
2112   },
2113   {
2114     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2115     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2116     -1,
2117     options_game_engine_type,
2118     &level.game_engine_type,
2119     "game engine:", NULL,               "game engine"
2120   },
2121   {
2122     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2123     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2124     -1,
2125     options_wind_direction,
2126     &level.wind_direction_initial,
2127     "initial wind direction:", NULL,    "initial wind direction"
2128   },
2129
2130   /* ---------- element settings: configure (several elements) ------------- */
2131
2132   {
2133     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2134     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2135     -1,
2136     options_player_speed,
2137     &level.initial_player_stepsize[0],
2138     "initial player speed:", NULL,      "initial player speed"
2139   },
2140
2141   /* ---------- element settings: configure 1 (custom elements) ------------ */
2142
2143   {
2144     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2145     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2146     -1,
2147     options_access_type,
2148     &custom_element.access_type,
2149     NULL, NULL,                         "type of access to this field"
2150   },
2151   {
2152     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2153     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2154     -1,
2155     options_access_layer,
2156     &custom_element.access_layer,
2157     NULL, NULL,                         "layer of access for this field"
2158   },
2159   {
2160     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2161     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2162     -1,
2163     options_access_protected,
2164     &custom_element.access_protected,
2165     NULL, NULL,                         "protected access for this field"
2166   },
2167   {
2168     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2169     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2170     -1,
2171     options_access_direction,
2172     &custom_element.access_direction,
2173     "from", NULL,                       "access direction for this field"
2174   },
2175   {
2176     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2177     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2178     -1,
2179     options_walk_to_action,
2180     &custom_element.walk_to_action,
2181     NULL, NULL,                         "diggable/collectible/pushable"
2182   },
2183
2184   /* ---------- element settings: configure 2 (custom elements) ------------ */
2185
2186   {
2187     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2188     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2189     -1,
2190     options_move_pattern,
2191     &custom_element.move_pattern,
2192     "can move", NULL,                   "element move pattern"
2193   },
2194   {
2195     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2196     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2197     -1,
2198     options_move_direction,
2199     &custom_element.move_direction_initial,
2200     "starts moving", NULL,              "initial element move direction"
2201   },
2202   {
2203     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2204     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2205     -1,
2206     options_move_stepsize,
2207     &custom_element.move_stepsize,
2208     "move/fall speed", NULL,            "speed of element movement"
2209   },
2210   {
2211     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2212     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2213     -1,
2214     options_move_leave_type,
2215     &custom_element.move_leave_type,
2216     "can dig:    can", ":",             "leave behind or change element"
2217   },
2218   {
2219     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2220     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2221     -1,
2222     options_smash_targets,
2223     &custom_element.smash_targets,
2224     "can smash", NULL,                  "elements that can be smashed"
2225   },
2226   {
2227     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2228     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2229     -1,
2230     options_slippery_type,
2231     &custom_element.slippery_type,
2232     "slippery", NULL,                   "where other elements fall down"
2233   },
2234   {
2235     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2236     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2237     -1,
2238     options_deadliness,
2239     &custom_element.deadliness,
2240     "deadly when", NULL,                "deadliness of element"
2241   },
2242   {
2243     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2244     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2245     -1,
2246     options_explosion_type,
2247     &custom_element.explosion_type,
2248     "can explode", NULL,                "explosion type"
2249   },
2250
2251   /* ---------- element settings: advanced (custom elements) --------------- */
2252
2253   {
2254     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2255     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2256     -1,
2257     options_time_units,
2258     &custom_element_change.delay_frames,
2259     "delay time given in", NULL,        "delay time units for change"
2260   },
2261   {
2262     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2263     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2264     -1,
2265     options_change_direct_action,
2266     &custom_element_change.direct_action,
2267     NULL, NULL,                         "type of direct action"
2268   },
2269   {
2270     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2271     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2272     -1,
2273     options_change_other_action,
2274     &custom_element_change.other_action,
2275     NULL, "element:",                   "type of other element action"
2276   },
2277   {
2278     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2279     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2280     -1,
2281     options_change_trigger_side,
2282     &custom_element_change.trigger_side,
2283     "at", "side",                       "element side triggering change"
2284   },
2285   {
2286     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2287     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2288     -1,
2289     options_change_trigger_player,
2290     &custom_element_change.trigger_player,
2291     "player:", " ",                     "player that causes change"
2292   },
2293   {
2294     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2295     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2296     -1,
2297     options_change_trigger_page,
2298     &custom_element_change.trigger_page,
2299     "page:", NULL,                      "change page that causes change"
2300   },
2301   {
2302     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2303     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2304     -1,
2305     options_change_replace_when,
2306     &custom_element_change.replace_when,
2307     "replace when", NULL,               "which elements can be replaced"
2308   },
2309   {
2310     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2311     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2312     -1,
2313     options_action_type,
2314     &custom_element_change.action_type,
2315     NULL, NULL,                         "action on specified condition"
2316   },
2317   {
2318     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2319     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2320     -1,
2321     options_action_mode_none,
2322     &custom_element_change.action_mode,
2323     NULL, NULL,                         "action operator"
2324   },
2325   {
2326     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2327     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2328     -1,
2329     options_action_arg_none,
2330     &custom_element_change.action_arg,
2331     NULL, NULL,                         "action parameter"
2332   },
2333   {
2334     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2335     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2336     3,
2337     options_change_page,
2338     &custom_element.current_change_page,
2339     NULL, NULL,                         "element change page"
2340   },
2341
2342   /* ---------- element settings: configure (group elements) --------------- */
2343
2344   {
2345     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2346     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2347     -1,
2348     options_group_choice_mode,
2349     &group_element_info.choice_mode,
2350     "choice type:", NULL,               "type of group element choice"
2351   },
2352 };
2353
2354 static struct
2355 {
2356   int x, y;
2357   int gadget_id;
2358   int gadget_id_align;
2359   int size;
2360   char *text;
2361   char *text_left, *text_right, *infotext;
2362 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2363 {
2364   {
2365     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2366     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2367     8,                                  "Level",
2368     NULL, NULL,                         "Configure level properties"
2369   },
2370   {
2371     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2372     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2373     8,                                  "Editor",
2374     NULL, NULL,                         "Configure editor properties"
2375   },
2376   {
2377     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2378     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2379     8,                                  "Info",
2380     NULL, NULL,                         "Show information about element"
2381   },
2382   {
2383     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2384     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2385     8,                                  "Config",
2386     NULL, NULL,                         "Configure element properties"
2387   },
2388   {
2389     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2390     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2391     8,                                  "Config 1",
2392     NULL, NULL,                         "Configure element properties, part 1"
2393   },
2394   {
2395     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2396     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2397     8,                                  "Config 2",
2398     NULL, NULL,                         "Configure element properties, part 2"
2399   },
2400   {
2401     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2402     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2403     8,                                  "Change",
2404     NULL, NULL,                         "Configure custom element change pages"
2405   },
2406   {
2407     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2408     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2409     -1,                                 "Save",
2410     " ", "As Template",                 "Save current settings as new template"
2411   },
2412   {
2413     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2414     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2415     -1,                                 "New",
2416     NULL, NULL,                         "Add new change page"
2417   },
2418   {
2419     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2420     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2421     -1,                                 "Delete",
2422     NULL, NULL,                         "Delete current change page"
2423   },
2424 };
2425
2426 static struct
2427 {
2428   int gd_x, gd_y;
2429   int x, y;
2430   int width, height;
2431   int gadget_id;
2432   int gadget_id_align;
2433   char *text_left, *text_right, *infotext;
2434 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2435 {
2436   {
2437     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2438     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2439     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2440     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2441     NULL, NULL,                         "select previous change page"
2442   },
2443   {
2444     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2445     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2446     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2447     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2448     NULL, "change page",                "select next change page"
2449   },
2450   {
2451     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2452     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2453     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2454     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2455     " ", NULL,                          "copy settings from this change page"
2456   },
2457   {
2458     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2459     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2460     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2461     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2462     NULL, NULL,                         "paste settings to this change page"
2463   },
2464 };
2465
2466 static struct
2467 {
2468   int x, y;
2469 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2470
2471 static struct
2472 {
2473   int graphic;
2474   int gadget_id;
2475   char *infotext;
2476 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2477 {
2478   {
2479     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2480     GADGET_ID_SCROLL_UP,
2481     "scroll level editing area up"
2482   },
2483   {
2484     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2485     GADGET_ID_SCROLL_DOWN,
2486     "scroll level editing area down"
2487   },
2488   {
2489     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2490     GADGET_ID_SCROLL_LEFT,
2491     "scroll level editing area left"
2492   },
2493   {
2494     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2495     GADGET_ID_SCROLL_RIGHT,
2496     "scroll level editing area right"
2497   },
2498   {
2499     IMG_EDITOR_PALETTE_SCROLL_UP,
2500     GADGET_ID_SCROLL_LIST_UP,
2501     "scroll element list up ('Page Up')"
2502   },
2503   {
2504     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2505     GADGET_ID_SCROLL_LIST_DOWN,
2506     "scroll element list down ('Page Down')"
2507   },
2508 };
2509
2510 static struct
2511 {
2512   int x, y;
2513   int width, height;
2514   int wheel_x, wheel_y;
2515   int wheel_width, wheel_height;
2516 } scrollbar_pos[ED_NUM_SCROLLBARS];
2517
2518 static struct
2519 {
2520   int graphic;
2521   int type;
2522   int gadget_id;
2523   char *infotext;
2524 } scrollbar_info[ED_NUM_SCROLLBARS] =
2525 {
2526   {
2527     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2528     GD_TYPE_SCROLLBAR_HORIZONTAL,
2529     GADGET_ID_SCROLL_HORIZONTAL,
2530     "scroll level editing area horizontally"
2531   },
2532   {
2533     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2534     GD_TYPE_SCROLLBAR_VERTICAL,
2535     GADGET_ID_SCROLL_VERTICAL,
2536     "scroll level editing area vertically"
2537   },
2538   {
2539     IMG_EDITOR_PALETTE_SCROLLBAR,
2540     GD_TYPE_SCROLLBAR_VERTICAL,
2541     GADGET_ID_SCROLL_LIST_VERTICAL,
2542     "scroll element list vertically"
2543   }
2544 };
2545
2546
2547 static struct
2548 {
2549   int x, y;
2550   int gadget_id;
2551   int gadget_id_align;
2552   int radio_button_nr;
2553   int *value;
2554   int checked_value;
2555   char *text_left, *text_right, *infotext;
2556 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2557 {
2558   {
2559     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2560     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2561     RADIO_NR_RANDOM_ELEMENTS,
2562     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2563     " ", "percentage",                  "use percentage for random elements"
2564   },
2565   {
2566     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2567     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2568     RADIO_NR_RANDOM_ELEMENTS,
2569     &random_placement_method,           RANDOM_USE_QUANTITY,
2570     " ", "quantity",                    "use quantity for random elements"
2571   }
2572 };
2573
2574 static struct
2575 {
2576   int x, y;
2577   int gadget_id;
2578   int gadget_id_align;
2579   boolean *value;
2580   char *text_left, *text_right, *infotext;
2581 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2582 {
2583   /* ---------- level and editor settings ---------------------------------- */
2584
2585   {
2586     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2587     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2588     &random_placement_background_restricted,
2589     NULL,
2590     "restrict random placement to:",    "set random placement restriction"
2591   },
2592
2593   /* ---------- element settings: configure (various elements) ------------- */
2594
2595   {
2596     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2597     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2598     &stick_element_properties_window,
2599     NULL,
2600     "stick this screen to edit content","stick this screen to edit content"
2601   },
2602   {
2603     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2604     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2605     &level.em_slippery_gems,
2606     NULL,
2607     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2608   },
2609   {
2610     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2611     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2612     &level.em_explodes_by_fire,
2613     NULL,
2614     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2615   },
2616   {
2617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2618     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2619     &level.use_spring_bug,
2620     NULL,
2621     "use spring pushing bug",           "use odd spring pushing behaviour"
2622   },
2623   {
2624     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2625     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2626     &level.use_time_orb_bug,
2627     NULL,
2628     "use time orb bug",                 "use odd time orb behaviour"
2629   },
2630   {
2631     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2632     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2633     &level.ball_random,
2634     NULL,
2635     "create single random element",     "only create one element from content"
2636   },
2637   {
2638     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2639     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2640     &level.ball_state_initial,
2641     NULL,
2642     "magic ball initially activated",   "activate magic ball after level start"
2643   },
2644   {
2645     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2646     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2647     &level.grow_into_diggable,
2648     NULL,
2649     "can grow into anything diggable",  "grow into more than just sand"
2650   },
2651   {
2652     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2653     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2654     &level.auto_exit_sokoban,
2655     NULL,
2656     "exit level if all fields solved",  "automatically finish Sokoban levels"
2657   },
2658   {
2659     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2660     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2661     &level.continuous_snapping,
2662     NULL,
2663     "continuous snapping",              "use snapping without releasing key"
2664   },
2665   {
2666     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2667     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2668     &level.block_snap_field,
2669     NULL,
2670     "block snapped field when snapping", "use snapping delay to show animation"
2671   },
2672   {
2673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2674     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2675     &level.block_last_field,
2676     NULL,
2677     "block last field when moving",     "player blocks last field when moving"
2678   },
2679   {
2680     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2681     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2682     &level.sp_block_last_field,
2683     NULL,
2684     "block last field when moving",     "player blocks last field when moving"
2685   },
2686   {
2687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2688     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2689     &level.instant_relocation,
2690     NULL,
2691     "no scrolling when relocating",     "player gets relocated without delay"
2692   },
2693   {
2694     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2695     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2696     &level.shifted_relocation,
2697     NULL,
2698     "no centering when relocating",     "level not centered after relocation"
2699   },
2700   {
2701     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2702     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2703     &level.use_start_element[0],
2704     NULL,
2705     "use level start element:",        "start level at this element's position"
2706   },
2707   {
2708     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2709     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2710     &level.use_artwork_element[0],
2711     NULL,
2712     "use artwork from element:",        "use player artwork from other element"
2713   },
2714   {
2715     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2716     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2717     &level.use_explosion_element[0],
2718     NULL,
2719     "use explosion from element:",      "use explosion properties from element"
2720   },
2721   {
2722     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2723     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2724     &level.initial_player_gravity[0],
2725     NULL,
2726     "use initial gravity",              "set initial player gravity"
2727   },
2728   {
2729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2730     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2731     &level.use_initial_inventory[0],
2732     NULL,
2733     "use initial inventory:",           "use collected elements on level start"
2734   },
2735   {
2736     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2737     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2738     &level.can_pass_to_walkable,
2739     NULL,
2740     "can pass to walkable element",     "player can pass to empty or walkable"
2741   },
2742   {
2743     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2744     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2745     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2746     NULL,
2747     "can fall into acid (with gravity)","player can fall into acid pool"
2748   },
2749   {
2750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2751     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2752     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2753     NULL,
2754     "can move into acid",               "element can move into acid pool"
2755   },
2756   {
2757     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2758     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2759     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2760     NULL,
2761     "deadly when colliding with",       "element is deadly when hitting player"
2762   },
2763   {
2764     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2765     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2766     &level.envelope[0].autowrap,
2767     NULL,
2768     "auto-wrap",                        "automatically wrap envelope text"
2769   },
2770   {
2771     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2772     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2773     &level.envelope[0].centered,
2774     " ",
2775     "centered",                         "automatically center envelope text"
2776   },
2777
2778   /* ---------- element settings: configure 1 (custom elements) ----------- */
2779
2780   {
2781     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2782     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2783     &custom_element.use_gfx_element,
2784     NULL,
2785     "use graphic of element:",          "use existing element graphic"
2786   },
2787   {
2788     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2789     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2790     &level.use_custom_template,
2791     NULL,
2792     "use template",                     "use template for custom properties"
2793   },
2794   {
2795     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2796     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2797     &custom_element_properties[EP_ACCESSIBLE],
2798     NULL,
2799     NULL,                               "player can walk to or pass this field"
2800   },
2801   {
2802     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2803     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2804     &custom_element_properties[EP_GRAVITY_REACHABLE],
2805     NULL,
2806     "reachable despite gravity",        "player can walk/dig despite gravity"
2807   },
2808   {
2809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2810     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2811     &custom_element.use_last_ce_value,
2812     NULL,
2813     "use last CE value after change",   "use last CE value after change"
2814   },
2815   {
2816     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2817     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2818     &custom_element_properties[EP_WALK_TO_OBJECT],
2819     NULL,
2820     NULL,                               "player can dig/collect/push element"
2821   },
2822   {
2823     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2824     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2825     &custom_element_properties[EP_INDESTRUCTIBLE],
2826     NULL,
2827     "indestructible",                   "element is indestructible"
2828   },
2829
2830   /* ---------- element settings: configure 2 (custom elements) ----------- */
2831
2832   {
2833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2834     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2835     &custom_element_properties[EP_CAN_MOVE],
2836     NULL,
2837     NULL,                               "element can move with some pattern"
2838   },
2839   {
2840     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2841     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2842     &custom_element_properties[EP_CAN_FALL],
2843     NULL,
2844     "can fall",                         "element can fall down"
2845   },
2846   {
2847     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2848     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2849     &custom_element_properties[EP_CAN_SMASH],
2850     " ",
2851     NULL,                               "element can smash other elements"
2852   },
2853   {
2854     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2855     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2856     &custom_element_properties[EP_SLIPPERY],
2857     NULL,
2858     NULL,                               "other elements can fall down from it"
2859   },
2860   {
2861     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2862     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2863     &custom_element_properties[EP_DEADLY],
2864     NULL,
2865     NULL,                               "element can kill the player"
2866   },
2867   {
2868     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2869     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2870     &custom_element_properties[EP_CAN_EXPLODE],
2871     NULL,
2872     NULL,                               "element can explode"
2873   },
2874   {
2875     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2876     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2877     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2878     NULL,
2879     "by fire",                          "element can explode by fire/explosion"
2880   },
2881   {
2882     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2883     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2884     &custom_element_properties[EP_EXPLODES_SMASHED],
2885     " ",
2886     "smashed",                          "element can explode when smashed"
2887   },
2888   {
2889     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2890     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2891     &custom_element_properties[EP_EXPLODES_IMPACT],
2892     " ",
2893     "impact",                           "element can explode on impact"
2894   },
2895
2896   /* ---------- element settings: advanced (custom elements) --------------- */
2897
2898   {
2899     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2900     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2901     &custom_element_change.can_change,
2902     NULL,
2903     "element changes to:",              "change element on specified condition"
2904   },
2905   {
2906     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2907     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2908     &custom_element_change_events[CE_DELAY],
2909     NULL,
2910     NULL,                               "element changes after delay"
2911   },
2912   {
2913     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2914     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2915     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2916     NULL,
2917     NULL,                               "element changes by direct action"
2918   },
2919   {
2920     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2921     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2922     &custom_element_change_events[CE_BY_OTHER_ACTION],
2923     NULL,
2924     NULL,                               "element changes by other element"
2925   },
2926   {
2927     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2928     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2929     &custom_element_change.explode,
2930     NULL,
2931     "explode instead of change",        "element explodes instead of change"
2932   },
2933   {
2934     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2935     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2936     &custom_element_change.use_target_content,
2937     NULL,
2938     "use extended change target:",      "element changes to more elements"
2939   },
2940   {
2941     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2942     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2943     &custom_element_change.only_if_complete,
2944     NULL,
2945     "replace all or nothing",           "only replace when all can be changed"
2946   },
2947   {
2948     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
2949     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2950     &custom_element_change.use_random_replace,
2951     NULL,
2952     NULL,                               "use percentage for random replace"
2953   },
2954   {
2955     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2956     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
2957     &custom_element_change.has_action,
2958     NULL,
2959     NULL,                               "execute action on specified condition"
2960   },
2961 };
2962
2963 static struct
2964 {
2965   int x, y;
2966   int gadget_id;
2967   int gadget_id_align;
2968   int *value;
2969   int area_xsize, area_ysize;
2970   char *text_left, *text_right, *text_below, *infotext;
2971 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2972 {
2973   /* ---------- level playfield content ------------------------------------ */
2974
2975   {
2976     0,                                  0,
2977     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
2978     NULL,
2979     -1, -1,     /* these values are not constant, but can change at runtime */
2980     NULL, NULL, NULL,                   NULL
2981   },
2982
2983   /* ---------- yam yam content -------------------------------------------- */
2984
2985   {
2986     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
2987     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
2988     &level.yamyam_content[0].e[0][0],   3, 3,
2989     NULL, NULL, "1",                    NULL
2990   },
2991   {
2992     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
2993     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
2994     &level.yamyam_content[1].e[0][0],   3, 3,
2995     NULL, NULL, "2",                    NULL
2996   },
2997   {
2998     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
2999     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3000     &level.yamyam_content[2].e[0][0],   3, 3,
3001     NULL, NULL, "3",                    NULL
3002   },
3003   {
3004     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3005     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3006     &level.yamyam_content[3].e[0][0],   3, 3,
3007     NULL, NULL, "4",                    NULL
3008   },
3009   {
3010     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3011     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3012     &level.yamyam_content[4].e[0][0],   3, 3,
3013     NULL, NULL, "5",                    NULL
3014   },
3015   {
3016     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3017     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3018     &level.yamyam_content[5].e[0][0],   3, 3,
3019     NULL, NULL, "6",                    NULL
3020   },
3021   {
3022     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3023     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3024     &level.yamyam_content[6].e[0][0],   3, 3,
3025     NULL, NULL, "7",                    NULL
3026   },
3027   {
3028     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3029     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3030     &level.yamyam_content[7].e[0][0],   3, 3,
3031     NULL, NULL, "8",                    NULL
3032   },
3033
3034   /* ---------- magic ball content ----------------------------------------- */
3035
3036   {
3037     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3038     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3039     &level.ball_content[0].e[0][0],     3, 3,
3040     NULL, NULL, "1",                    NULL
3041   },
3042   {
3043     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3044     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3045     &level.ball_content[1].e[0][0],     3, 3,
3046     NULL, NULL, "2",                    NULL
3047   },
3048   {
3049     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3050     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3051     &level.ball_content[2].e[0][0],     3, 3,
3052     NULL, NULL, "3",                    NULL
3053   },
3054   {
3055     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3056     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3057     &level.ball_content[3].e[0][0],     3, 3,
3058     NULL, NULL, "4",                    NULL
3059   },
3060   {
3061     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3062     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3063     &level.ball_content[4].e[0][0],     3, 3,
3064     NULL, NULL, "5",                    NULL
3065   },
3066   {
3067     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3068     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3069     &level.ball_content[5].e[0][0],     3, 3,
3070     NULL, NULL, "6",                    NULL
3071   },
3072   {
3073     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3074     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3075     &level.ball_content[6].e[0][0],     3, 3,
3076     NULL, NULL, "7",                    NULL
3077   },
3078   {
3079     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3080     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3081     &level.ball_content[7].e[0][0],     3, 3,
3082     NULL, NULL, "8",                    NULL
3083   },
3084
3085   /* ---------- android content -------------------------------------------- */
3086
3087   {
3088     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3089     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3090     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3091     "elements:", NULL, NULL,            "elements android can clone"
3092   },
3093
3094   /* ---------- amoeba content --------------------------------------------- */
3095
3096   {
3097     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3098     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3099     &level.amoeba_content,              1, 1,
3100     "content:", NULL, NULL,             "amoeba content"
3101   },
3102
3103   /* ---------- level start element ---------------------------------------- */
3104
3105   {
3106     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3107     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3108     &level.start_element[0],            1, 1,
3109     NULL, NULL, NULL,                   "level start element"
3110   },
3111
3112   /* ---------- player artwork element ------------------------------------- */
3113
3114   {
3115     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3116     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3117     &level.artwork_element[0],          1, 1,
3118     NULL, NULL, NULL,                   "element for player artwork"
3119   },
3120
3121   /* ---------- player explosion element ----------------------------------- */
3122
3123   {
3124     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3125     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3126     &level.explosion_element[0],        1, 1,
3127     NULL, NULL, NULL,                   "element for player explosion"
3128   },
3129
3130   /* ---------- player initial inventory ----------------------------------- */
3131
3132   {
3133     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3134     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3135     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3136     NULL, NULL, NULL,                   "content for initial inventory"
3137   },
3138
3139   /* ---------- element settings: configure 1 (custom elements) ----------- */
3140
3141   /* ---------- custom graphic --------------------------------------------- */
3142
3143   {
3144     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3145     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3146     &custom_element.gfx_element_initial,1, 1,
3147     NULL, NULL, NULL,                   "custom graphic element"
3148   },
3149
3150   /* ---------- element settings: configure 2 (custom elements) ----------- */
3151
3152   /* ---------- custom content (when exploding) ---------------------------- */
3153
3154   {
3155     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3156     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3157     &custom_element.content.e[0][0],    3, 3,
3158     "content:", NULL, NULL,             NULL
3159   },
3160
3161   /* ---------- custom enter and leave element (when moving) --------------- */
3162
3163   {
3164     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3165     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3166     &custom_element.move_enter_element, 1, 1,
3167     "can dig:", " ", NULL,              "element that can be digged/collected"
3168   },
3169   {
3170     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3171     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3172     &custom_element.move_leave_element, 1, 1,
3173     NULL, NULL, NULL,                   "element that will be left behind"
3174   },
3175
3176   /* ---------- element settings: advanced (custom elements) --------------- */
3177
3178   /* ---------- custom change target --------------------------------------- */
3179
3180   {
3181     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3182     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3183     &custom_element_change.target_element, 1, 1,
3184     NULL, "after/when:", NULL,          "new target element after change"
3185   },
3186
3187   /* ---------- custom change content (extended change target) ------------- */
3188
3189   {
3190     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3191     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3192     &custom_element_change.target_content.e[0][0], 3, 3,
3193     NULL, NULL, NULL,                   "new extended elements after change"
3194   },
3195
3196   /* ---------- custom change trigger (element causing change) ------------- */
3197
3198   {
3199     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3200     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3201     &custom_element_change.initial_trigger_element, 1, 1,
3202     NULL, NULL, NULL,                   "other element triggering change"
3203   },
3204
3205   /* ---------- custom change action (element used for action) ------------- */
3206
3207   {
3208     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3209     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3210     &custom_element_change.action_element, 1, 1,
3211     NULL, NULL, NULL,                   "element used as action parameter"
3212   },
3213
3214   /* ---------- group element content -------------------------------------- */
3215
3216   {
3217     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3218     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3219     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3220     "content:", NULL, NULL,             NULL
3221   },
3222
3223   /* ---------- random background (for random painting) -------------------- */
3224
3225   {
3226     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3227     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3228     &random_placement_background_element, 1, 1,
3229     NULL, NULL, NULL,                   "random placement background"
3230   },
3231 };
3232
3233
3234 /*
3235   -----------------------------------------------------------------------------
3236   some internally used variables
3237   -----------------------------------------------------------------------------
3238 */
3239
3240 /* actual size of level editor drawing area */
3241 static int ed_fieldx, ed_fieldy;
3242
3243 /* actual position of level editor drawing area in level playfield */
3244 static int level_xpos = -1, level_ypos = -1;
3245
3246 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3247
3248 /* drawing elements on the three mouse buttons */
3249 static int new_element1 = EL_WALL;
3250 static int new_element2 = EL_EMPTY;
3251 static int new_element3 = EL_SAND;
3252
3253 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3254 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3255                                 (button) == 2 ? new_element2 : \
3256                                 (button) == 3 ? new_element3 : EL_EMPTY)
3257 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3258
3259 /* forward declaration for internal use */
3260 static void ModifyEditorCounterValue(int, int);
3261 static void ModifyEditorCounterLimits(int, int, int);
3262 static void ModifyEditorSelectboxValue(int, int);
3263 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3264 static void ModifyEditorDrawingArea(int, int, int);
3265 static void ModifyEditorElementList();
3266 static void AdjustElementListScrollbar();
3267 static void RedrawDrawingElements();
3268 static void DrawDrawingWindow();
3269 static void DrawLevelInfoWindow();
3270 static void DrawPropertiesWindow();
3271 static void UpdateCustomElementGraphicGadgets();
3272 static boolean checkPropertiesConfig(int);
3273 static void CopyLevelToUndoBuffer(int);
3274 static void HandleDrawingAreas(struct GadgetInfo *);
3275 static void HandleCounterButtons(struct GadgetInfo *);
3276 static void HandleTextInputGadgets(struct GadgetInfo *);
3277 static void HandleTextAreaGadgets(struct GadgetInfo *);
3278 static void HandleSelectboxGadgets(struct GadgetInfo *);
3279 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3280 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3281 static void HandleRadiobuttons(struct GadgetInfo *);
3282 static void HandleCheckbuttons(struct GadgetInfo *);
3283 static void HandleControlButtons(struct GadgetInfo *);
3284 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3285 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3286
3287 static int num_editor_gadgets = 0;      /* dynamically determined */
3288
3289 static struct GadgetInfo **level_editor_gadget = NULL;
3290 static int *right_gadget_border = NULL;
3291
3292 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3293 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3294 static boolean draw_with_brush = FALSE;
3295 static int properties_element = 0;
3296
3297 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3298 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3299 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3300 static int undo_buffer_position = 0;
3301 static int undo_buffer_steps = 0;
3302
3303 static int edit_mode;
3304 static int edit_mode_levelinfo;
3305 static int edit_mode_properties;
3306
3307 static int element_shift = 0;
3308
3309 static int editor_el_players[] =
3310 {
3311   EL_PLAYER_1,
3312   EL_PLAYER_2,
3313   EL_PLAYER_3,
3314   EL_PLAYER_4
3315 };
3316 static int *editor_el_players_ptr = editor_el_players;
3317 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3318
3319 static int editor_hl_boulderdash[] =
3320 {
3321   EL_INTERNAL_CASCADE_BD_ACTIVE,
3322   EL_CHAR('B'),
3323   EL_CHAR('D'),
3324   EL_EMPTY,
3325 };
3326
3327 static int editor_el_boulderdash[] =
3328 {
3329   EL_EMPTY,
3330   EL_SAND,
3331   EL_BD_ROCK,
3332   EL_BD_DIAMOND,
3333
3334   EL_STEELWALL,
3335   EL_BD_WALL,
3336   EL_BD_EXPANDABLE_WALL,
3337   EL_BD_MAGIC_WALL,
3338
3339   EL_BD_AMOEBA,
3340   EL_BD_BUTTERFLY_UP,
3341   EL_BD_FIREFLY_UP,
3342   EL_EXIT_CLOSED,
3343
3344   EL_BD_BUTTERFLY_LEFT,
3345   EL_BD_FIREFLY_LEFT,
3346   EL_BD_BUTTERFLY_RIGHT,
3347   EL_BD_FIREFLY_RIGHT,
3348
3349   EL_EMPTY,
3350   EL_BD_BUTTERFLY_DOWN,
3351   EL_BD_FIREFLY_DOWN,
3352   EL_EXIT_OPEN,
3353 };
3354 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3355 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3356 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3357 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3358
3359 static int editor_hl_emerald_mine[] =
3360 {
3361   EL_INTERNAL_CASCADE_EM_ACTIVE,
3362   EL_CHAR('E'),
3363   EL_CHAR('M'),
3364   EL_EMPTY,
3365 };
3366
3367 static int editor_el_emerald_mine[] =
3368 {
3369   EL_SAND,
3370   EL_ROCK,
3371   EL_QUICKSAND_EMPTY,
3372   EL_QUICKSAND_FULL,
3373
3374   EL_STEELWALL,
3375   EL_WALL,
3376   EL_WALL_SLIPPERY,
3377   EL_MAGIC_WALL,
3378
3379   EL_EMERALD,
3380   EL_DIAMOND,
3381   EL_NUT,
3382   EL_BOMB,
3383
3384   EL_WALL_EMERALD,
3385   EL_WALL_DIAMOND,
3386   EL_DYNAMITE,
3387   EL_DYNAMITE_ACTIVE,
3388
3389   EL_YAMYAM,
3390   EL_BUG_UP,
3391   EL_SPACESHIP_UP,
3392   EL_ROBOT,
3393
3394   EL_BUG_LEFT,
3395   EL_SPACESHIP_LEFT,
3396   EL_BUG_RIGHT,
3397   EL_SPACESHIP_RIGHT,
3398
3399   EL_ROBOT_WHEEL,
3400   EL_BUG_DOWN,
3401   EL_SPACESHIP_DOWN,
3402   EL_INVISIBLE_WALL,
3403
3404   EL_ACID_POOL_TOPLEFT,
3405   EL_ACID,
3406   EL_ACID_POOL_TOPRIGHT,
3407   EL_AMOEBA_DROP,
3408
3409   EL_ACID_POOL_BOTTOMLEFT,
3410   EL_ACID_POOL_BOTTOM,
3411   EL_ACID_POOL_BOTTOMRIGHT,
3412   EL_AMOEBA_WET,
3413
3414   EL_EM_KEY_1,
3415   EL_EM_KEY_2,
3416   EL_EM_KEY_3,
3417   EL_EM_KEY_4,
3418
3419   EL_EM_GATE_1,
3420   EL_EM_GATE_2,
3421   EL_EM_GATE_3,
3422   EL_EM_GATE_4,
3423
3424   EL_EM_GATE_1_GRAY,
3425   EL_EM_GATE_2_GRAY,
3426   EL_EM_GATE_3_GRAY,
3427   EL_EM_GATE_4_GRAY,
3428
3429   EL_EM_EXIT_CLOSED,
3430   EL_EM_EXIT_OPEN,
3431   EL_EM_STEEL_EXIT_CLOSED,
3432   EL_EM_STEEL_EXIT_OPEN,
3433 };
3434 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3435 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3436 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3437 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3438
3439 static int editor_hl_emerald_mine_club[] =
3440 {
3441   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3442   EL_CHAR('E'),
3443   EL_CHAR('M'),
3444   EL_CHAR('C'),
3445 };
3446
3447 static int editor_el_emerald_mine_club[] =
3448 {
3449   EL_EMC_KEY_5,
3450   EL_EMC_KEY_6,
3451   EL_EMC_KEY_7,
3452   EL_EMC_KEY_8,
3453
3454   EL_EMC_GATE_5,
3455   EL_EMC_GATE_6,
3456   EL_EMC_GATE_7,
3457   EL_EMC_GATE_8,
3458
3459   EL_EMC_GATE_5_GRAY,
3460   EL_EMC_GATE_6_GRAY,
3461   EL_EMC_GATE_7_GRAY,
3462   EL_EMC_GATE_8_GRAY,
3463
3464   EL_EMC_STEELWALL_1,
3465   EL_EMC_STEELWALL_2,
3466   EL_EMC_STEELWALL_3,
3467   EL_EMC_STEELWALL_4,
3468
3469   EL_EMC_WALL_13,
3470   EL_EMC_WALL_14,
3471   EL_EMC_WALL_15,
3472   EL_EMC_WALL_16,
3473
3474   EL_EMC_WALL_SLIPPERY_1,
3475   EL_EMC_WALL_SLIPPERY_2,
3476   EL_EMC_WALL_SLIPPERY_3,
3477   EL_EMC_WALL_SLIPPERY_4,
3478
3479   EL_EMC_WALL_1,
3480   EL_EMC_WALL_2,
3481   EL_EMC_WALL_3,
3482   EL_EMC_WALL_4,
3483
3484   EL_EMC_WALL_5,
3485   EL_EMC_WALL_6,
3486   EL_EMC_WALL_7,
3487   EL_EMC_WALL_8,
3488
3489   EL_EMC_WALL_9,
3490   EL_EMC_WALL_10,
3491   EL_EMC_WALL_11,
3492   EL_EMC_WALL_12,
3493
3494   EL_EMC_GRASS,
3495   EL_EMC_FAKE_GRASS,
3496   EL_EMC_PLANT,
3497   EL_EMC_DRIPPER,
3498
3499   EL_EMC_MAGIC_BALL,
3500   EL_EMC_MAGIC_BALL_SWITCH,
3501   EL_SPRING,
3502   EL_EMC_SPRING_BUMPER,
3503
3504   EL_EMC_LENSES,
3505   EL_EMC_MAGNIFIER,
3506   EL_EM_DYNAMITE,
3507   EL_EM_DYNAMITE_ACTIVE,
3508
3509   EL_BALLOON,
3510   EL_YAMYAM_UP,
3511   EL_BALLOON_SWITCH_UP,
3512   EL_BALLOON_SWITCH_ANY,
3513
3514   EL_YAMYAM_LEFT,
3515   EL_BALLOON_SWITCH_LEFT,
3516   EL_YAMYAM_RIGHT,
3517   EL_BALLOON_SWITCH_RIGHT,
3518
3519   EL_EMC_ANDROID,
3520   EL_YAMYAM_DOWN,
3521   EL_BALLOON_SWITCH_DOWN,
3522   EL_BALLOON_SWITCH_NONE,
3523 };
3524 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3525 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3526 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3527 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3528
3529 static int editor_hl_rnd[] =
3530 {
3531   EL_INTERNAL_CASCADE_RND_ACTIVE,
3532   EL_CHAR('R'),
3533   EL_CHAR('N'),
3534   EL_CHAR('D'),
3535 };
3536
3537 static int editor_el_rnd[] =
3538 {
3539   EL_KEY_1,
3540   EL_KEY_2,
3541   EL_KEY_3,
3542   EL_KEY_4,
3543
3544   EL_GATE_1,
3545   EL_GATE_2,
3546   EL_GATE_3,
3547   EL_GATE_4,
3548
3549   EL_GATE_1_GRAY,
3550   EL_GATE_2_GRAY,
3551   EL_GATE_3_GRAY,
3552   EL_GATE_4_GRAY,
3553
3554   EL_ARROW_LEFT,
3555   EL_ARROW_RIGHT,
3556   EL_ARROW_UP,
3557   EL_ARROW_DOWN,
3558
3559   EL_AMOEBA_DEAD,
3560   EL_AMOEBA_DRY,
3561   EL_AMOEBA_FULL,
3562   EL_GAME_OF_LIFE,
3563
3564   EL_EMERALD_YELLOW,
3565   EL_EMERALD_RED,
3566   EL_EMERALD_PURPLE,
3567   EL_BIOMAZE,
3568
3569   EL_WALL_EMERALD_YELLOW,
3570   EL_WALL_EMERALD_RED,
3571   EL_WALL_EMERALD_PURPLE,
3572   EL_WALL_BD_DIAMOND,
3573
3574   EL_SPEED_PILL,
3575   EL_PACMAN_UP,
3576   EL_TIME_ORB_FULL,
3577   EL_TIME_ORB_EMPTY,
3578
3579   EL_PACMAN_LEFT,
3580   EL_DARK_YAMYAM,
3581   EL_PACMAN_RIGHT,
3582   EL_EMPTY,
3583
3584   EL_BLACK_ORB,
3585   EL_PACMAN_DOWN,
3586   EL_LAMP,
3587   EL_LAMP_ACTIVE,
3588
3589   EL_DYNABOMB_INCREASE_NUMBER,
3590   EL_DYNABOMB_INCREASE_SIZE,
3591   EL_DYNABOMB_INCREASE_POWER,
3592   EL_STONEBLOCK,
3593
3594   EL_MOLE,
3595   EL_PENGUIN,
3596   EL_PIG,
3597   EL_DRAGON,
3598
3599   EL_BUG,
3600   EL_MOLE_UP,
3601   EL_BD_BUTTERFLY,
3602   EL_BD_FIREFLY,
3603
3604   EL_MOLE_LEFT,
3605   EL_SATELLITE,
3606   EL_MOLE_RIGHT,
3607   EL_PACMAN,
3608
3609   EL_SPACESHIP,
3610   EL_MOLE_DOWN,
3611   EL_INVISIBLE_STEELWALL,
3612   EL_INVISIBLE_WALL,
3613
3614   EL_EXPANDABLE_WALL,
3615   EL_EXPANDABLE_WALL_HORIZONTAL,
3616   EL_EXPANDABLE_WALL_VERTICAL,
3617   EL_EXPANDABLE_WALL_ANY,
3618 };
3619 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3620 static int *editor_el_rnd_ptr = editor_el_rnd;
3621 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3622 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3623
3624 static int editor_hl_sokoban[] =
3625 {
3626   EL_INTERNAL_CASCADE_SB_ACTIVE,
3627   EL_CHAR('S'),
3628   EL_CHAR('B'),
3629   EL_EMPTY,
3630 };
3631
3632 static int editor_el_sokoban[] =
3633 {
3634   EL_SOKOBAN_OBJECT,
3635   EL_SOKOBAN_FIELD_EMPTY,
3636   EL_SOKOBAN_FIELD_FULL,
3637   EL_SOKOBAN_FIELD_PLAYER,
3638 };
3639 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3640 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3641 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3642 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3643
3644 static int editor_hl_supaplex[] =
3645 {
3646   EL_INTERNAL_CASCADE_SP_ACTIVE,
3647   EL_CHAR('S'),
3648   EL_CHAR('P'),
3649   EL_EMPTY,
3650 };
3651
3652 static int editor_el_supaplex[] =
3653 {
3654   EL_SP_MURPHY,
3655   EL_EMPTY,
3656   EL_SP_BASE,
3657   EL_SP_BUGGY_BASE,
3658
3659   EL_SP_INFOTRON,
3660   EL_SP_ZONK,
3661   EL_SP_SNIKSNAK,
3662   EL_SP_ELECTRON,
3663
3664   EL_SP_DISK_RED,
3665   EL_SP_DISK_ORANGE,
3666   EL_SP_DISK_YELLOW,
3667   EL_SP_TERMINAL,
3668
3669   EL_SP_EXIT_CLOSED,
3670   EL_SP_PORT_HORIZONTAL,
3671   EL_SP_PORT_VERTICAL,
3672   EL_SP_PORT_ANY,
3673
3674   EL_SP_PORT_LEFT,
3675   EL_SP_PORT_RIGHT,
3676   EL_SP_PORT_UP,
3677   EL_SP_PORT_DOWN,
3678
3679   EL_SP_GRAVITY_PORT_LEFT,
3680   EL_SP_GRAVITY_PORT_RIGHT,
3681   EL_SP_GRAVITY_PORT_UP,
3682   EL_SP_GRAVITY_PORT_DOWN,
3683
3684   EL_SP_GRAVITY_ON_PORT_LEFT,
3685   EL_SP_GRAVITY_ON_PORT_RIGHT,
3686   EL_SP_GRAVITY_ON_PORT_UP,
3687   EL_SP_GRAVITY_ON_PORT_DOWN,
3688
3689   EL_SP_GRAVITY_OFF_PORT_LEFT,
3690   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3691   EL_SP_GRAVITY_OFF_PORT_UP,
3692   EL_SP_GRAVITY_OFF_PORT_DOWN,
3693
3694   EL_SP_HARDWARE_GRAY,
3695   EL_SP_HARDWARE_GREEN,
3696   EL_SP_HARDWARE_BLUE,
3697   EL_SP_HARDWARE_RED,
3698
3699   EL_SP_HARDWARE_BASE_1,
3700   EL_SP_HARDWARE_BASE_2,
3701   EL_SP_HARDWARE_BASE_3,
3702   EL_SP_HARDWARE_BASE_4,
3703
3704   EL_SP_HARDWARE_BASE_5,
3705   EL_SP_HARDWARE_BASE_6,
3706   EL_SP_HARDWARE_YELLOW,
3707   EL_SP_CHIP_TOP,
3708
3709   EL_SP_CHIP_SINGLE,
3710   EL_SP_CHIP_LEFT,
3711   EL_SP_CHIP_RIGHT,
3712   EL_SP_CHIP_BOTTOM,
3713 };
3714 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3715 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3716 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3717 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3718
3719 static int editor_hl_diamond_caves[] =
3720 {
3721   EL_INTERNAL_CASCADE_DC_ACTIVE,
3722   EL_CHAR('D'),
3723   EL_CHAR('C'),
3724   EL_CHAR('2'),
3725 };
3726
3727 static int editor_el_diamond_caves[] =
3728 {
3729   EL_PEARL,
3730   EL_CRYSTAL,
3731   EL_WALL_PEARL,
3732   EL_WALL_CRYSTAL,
3733
3734   EL_CONVEYOR_BELT_1_LEFT,
3735   EL_CONVEYOR_BELT_1_MIDDLE,
3736   EL_CONVEYOR_BELT_1_RIGHT,
3737   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3738
3739   EL_CONVEYOR_BELT_2_LEFT,
3740   EL_CONVEYOR_BELT_2_MIDDLE,
3741   EL_CONVEYOR_BELT_2_RIGHT,
3742   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3743
3744   EL_CONVEYOR_BELT_3_LEFT,
3745   EL_CONVEYOR_BELT_3_MIDDLE,
3746   EL_CONVEYOR_BELT_3_RIGHT,
3747   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3748
3749   EL_CONVEYOR_BELT_4_LEFT,
3750   EL_CONVEYOR_BELT_4_MIDDLE,
3751   EL_CONVEYOR_BELT_4_RIGHT,
3752   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3753
3754   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3755   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3756   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3757   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3758
3759   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3760   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3761   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3762   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3763
3764   EL_TIMEGATE_CLOSED,
3765   EL_TIMEGATE_OPEN,
3766   EL_TIMEGATE_SWITCH,
3767   EL_DC_TIMEGATE_SWITCH,
3768
3769   EL_SWITCHGATE_CLOSED,
3770   EL_SWITCHGATE_OPEN,
3771   EL_SWITCHGATE_SWITCH_UP,
3772   EL_SWITCHGATE_SWITCH_DOWN,
3773
3774   EL_LIGHT_SWITCH,
3775   EL_LIGHT_SWITCH_ACTIVE,
3776   EL_DC_SWITCHGATE_SWITCH_UP,
3777   EL_DC_SWITCHGATE_SWITCH_DOWN,
3778
3779   EL_STEEL_EXIT_CLOSED,
3780   EL_STEEL_EXIT_OPEN,
3781   EL_STEELWALL_SLIPPERY,
3782   EL_INVISIBLE_SAND,
3783
3784   EL_QUICKSAND_FAST_EMPTY,
3785   EL_QUICKSAND_FAST_FULL,
3786   EL_LANDMINE,
3787   EL_DC_LANDMINE,
3788
3789   EL_SHIELD_NORMAL,
3790   EL_SHIELD_DEADLY,
3791   EL_EXTRA_TIME,
3792   EL_DC_MAGIC_WALL,
3793
3794   EL_ENVELOPE_1,
3795   EL_ENVELOPE_2,
3796   EL_ENVELOPE_3,
3797   EL_ENVELOPE_4,
3798
3799   EL_SIGN_RADIOACTIVITY,
3800   EL_SIGN_WHEELCHAIR,
3801   EL_SIGN_PARKING,
3802   EL_SIGN_NO_ENTRY,
3803
3804   EL_SIGN_GIVE_WAY,
3805   EL_SIGN_ENTRY_FORBIDDEN,
3806   EL_SIGN_EMERGENCY_EXIT,
3807   EL_SIGN_YIN_YANG,
3808
3809 #if 0
3810   EL_SIGN_SPERMS,
3811   EL_SIGN_BULLET,
3812   EL_SIGN_HEART,
3813   EL_SIGN_CROSS,
3814
3815   EL_SIGN_FRANKIE,
3816   EL_EMPTY,
3817   EL_EMPTY,
3818   EL_EMPTY,
3819
3820   EL_SPERMS,
3821   EL_BULLET,
3822   EL_HEART,
3823   EL_CROSS,
3824
3825   EL_FRANKIE,
3826   EL_EMPTY,
3827   EL_EMPTY,
3828   EL_EMPTY,
3829 #endif
3830
3831   EL_DC_STEELWALL_2_SINGLE,
3832   EL_DC_STEELWALL_2_TOP,
3833   EL_SIGN_EXCLAMATION,
3834   EL_SIGN_STOP,
3835
3836   EL_DC_STEELWALL_2_LEFT,
3837   EL_DC_STEELWALL_2_MIDDLE,
3838   EL_DC_STEELWALL_2_HORIZONTAL,
3839   EL_DC_STEELWALL_2_RIGHT,
3840
3841   EL_DC_STEELWALL_1_TOPLEFT,
3842   EL_DC_STEELWALL_2_VERTICAL,
3843   EL_DC_STEELWALL_1_TOPRIGHT,
3844   EL_DC_GATE_WHITE,
3845
3846   EL_DC_STEELWALL_1_VERTICAL,
3847   EL_DC_STEELWALL_2_BOTTOM,
3848   EL_DC_KEY_WHITE,
3849   EL_DC_GATE_WHITE_GRAY,
3850
3851   EL_DC_STEELWALL_1_BOTTOMLEFT,
3852   EL_DC_STEELWALL_1_HORIZONTAL,
3853   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3854   EL_DC_GATE_FAKE_GRAY,
3855
3856   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3857   EL_DC_STEELWALL_1_BOTTOM,
3858   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3859   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3860
3861   EL_DC_STEELWALL_1_RIGHT,
3862   EL_EMPTY,
3863   EL_DC_STEELWALL_1_LEFT,
3864   EL_EXPANDABLE_STEELWALL_VERTICAL,
3865
3866   EL_DC_STEELWALL_1_TOPRIGHT_2,
3867   EL_DC_STEELWALL_1_TOP,
3868   EL_DC_STEELWALL_1_TOPLEFT_2,
3869   EL_EXPANDABLE_STEELWALL_ANY,
3870 };
3871 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3872 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3873 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3874 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3875
3876 static int editor_hl_dx_boulderdash[] =
3877 {
3878   EL_INTERNAL_CASCADE_DX_ACTIVE,
3879   EL_CHAR('D'),
3880   EL_CHAR('X'),
3881   EL_EMPTY,
3882 };
3883
3884 static int editor_el_dx_boulderdash[] =
3885 {
3886   EL_EMPTY,
3887   EL_TUBE_RIGHT_DOWN,
3888   EL_TUBE_HORIZONTAL_DOWN,
3889   EL_TUBE_LEFT_DOWN,
3890
3891   EL_TUBE_HORIZONTAL,
3892   EL_TUBE_VERTICAL_RIGHT,
3893   EL_TUBE_ANY,
3894   EL_TUBE_VERTICAL_LEFT,
3895
3896   EL_TUBE_VERTICAL,
3897   EL_TUBE_RIGHT_UP,
3898   EL_TUBE_HORIZONTAL_UP,
3899   EL_TUBE_LEFT_UP,
3900
3901   EL_TRAP,
3902   EL_DX_SUPABOMB,
3903   EL_EMPTY,
3904   EL_EMPTY
3905 };
3906 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3907 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3908 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3909 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3910
3911 static int editor_hl_chars[] =
3912 {
3913   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3914   EL_CHAR('T'),
3915   EL_CHAR('X'),
3916   EL_CHAR('T'),
3917 };
3918
3919 static int editor_el_chars[] =
3920 {
3921   EL_CHAR(' '),
3922   EL_CHAR('!'),
3923   EL_CHAR('"'),
3924   EL_CHAR('#'),
3925
3926   EL_CHAR('$'),
3927   EL_CHAR('%'),
3928   EL_CHAR('&'),
3929   EL_CHAR('\''),
3930
3931   EL_CHAR('('),
3932   EL_CHAR(')'),
3933   EL_CHAR('*'),
3934   EL_CHAR('+'),
3935
3936   EL_CHAR(','),
3937   EL_CHAR('-'),
3938   EL_CHAR('.'),
3939   EL_CHAR('/'),
3940
3941   EL_CHAR('0'),
3942   EL_CHAR('1'),
3943   EL_CHAR('2'),
3944   EL_CHAR('3'),
3945
3946   EL_CHAR('4'),
3947   EL_CHAR('5'),
3948   EL_CHAR('6'),
3949   EL_CHAR('7'),
3950
3951   EL_CHAR('8'),
3952   EL_CHAR('9'),
3953   EL_CHAR(':'),
3954   EL_CHAR(';'),
3955
3956   EL_CHAR('<'),
3957   EL_CHAR('='),
3958   EL_CHAR('>'),
3959   EL_CHAR('?'),
3960
3961   EL_CHAR('@'),
3962   EL_CHAR('A'),
3963   EL_CHAR('B'),
3964   EL_CHAR('C'),
3965
3966   EL_CHAR('D'),
3967   EL_CHAR('E'),
3968   EL_CHAR('F'),
3969   EL_CHAR('G'),
3970
3971   EL_CHAR('H'),
3972   EL_CHAR('I'),
3973   EL_CHAR('J'),
3974   EL_CHAR('K'),
3975
3976   EL_CHAR('L'),
3977   EL_CHAR('M'),
3978   EL_CHAR('N'),
3979   EL_CHAR('O'),
3980
3981   EL_CHAR('P'),
3982   EL_CHAR('Q'),
3983   EL_CHAR('R'),
3984   EL_CHAR('S'),
3985
3986   EL_CHAR('T'),
3987   EL_CHAR('U'),
3988   EL_CHAR('V'),
3989   EL_CHAR('W'),
3990
3991   EL_CHAR('X'),
3992   EL_CHAR('Y'),
3993   EL_CHAR('Z'),
3994   EL_CHAR('['),
3995
3996   EL_CHAR('\\'),
3997   EL_CHAR(']'),
3998   EL_CHAR('^'),
3999   EL_CHAR('_'),
4000
4001   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4002   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4003   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4004   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4005
4006   EL_CHAR(CHAR_BYTE_DEGREE),
4007   EL_CHAR(CHAR_BYTE_REGISTERED),
4008   EL_CHAR(FONT_ASCII_CURSOR),
4009   EL_CHAR(FONT_ASCII_BUTTON),
4010
4011   EL_CHAR(FONT_ASCII_UP),
4012   EL_CHAR(FONT_ASCII_DOWN),
4013   EL_CHAR(' '),
4014   EL_CHAR(' ')
4015 };
4016 static int *editor_hl_chars_ptr = editor_hl_chars;
4017 static int *editor_el_chars_ptr = editor_el_chars;
4018 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4019 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4020
4021 static int editor_hl_steel_chars[] =
4022 {
4023   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4024   EL_STEEL_CHAR('T'),
4025   EL_STEEL_CHAR('X'),
4026   EL_STEEL_CHAR('T'),
4027 };
4028
4029 static int editor_el_steel_chars[] =
4030 {
4031   EL_STEEL_CHAR(' '),
4032   EL_STEEL_CHAR('!'),
4033   EL_STEEL_CHAR('"'),
4034   EL_STEEL_CHAR('#'),
4035
4036   EL_STEEL_CHAR('$'),
4037   EL_STEEL_CHAR('%'),
4038   EL_STEEL_CHAR('&'),
4039   EL_STEEL_CHAR('\''),
4040
4041   EL_STEEL_CHAR('('),
4042   EL_STEEL_CHAR(')'),
4043   EL_STEEL_CHAR('*'),
4044   EL_STEEL_CHAR('+'),
4045
4046   EL_STEEL_CHAR(','),
4047   EL_STEEL_CHAR('-'),
4048   EL_STEEL_CHAR('.'),
4049   EL_STEEL_CHAR('/'),
4050
4051   EL_STEEL_CHAR('0'),
4052   EL_STEEL_CHAR('1'),
4053   EL_STEEL_CHAR('2'),
4054   EL_STEEL_CHAR('3'),
4055
4056   EL_STEEL_CHAR('4'),
4057   EL_STEEL_CHAR('5'),
4058   EL_STEEL_CHAR('6'),
4059   EL_STEEL_CHAR('7'),
4060
4061   EL_STEEL_CHAR('8'),
4062   EL_STEEL_CHAR('9'),
4063   EL_STEEL_CHAR(':'),
4064   EL_STEEL_CHAR(';'),
4065
4066   EL_STEEL_CHAR('<'),
4067   EL_STEEL_CHAR('='),
4068   EL_STEEL_CHAR('>'),
4069   EL_STEEL_CHAR('?'),
4070
4071   EL_STEEL_CHAR('@'),
4072   EL_STEEL_CHAR('A'),
4073   EL_STEEL_CHAR('B'),
4074   EL_STEEL_CHAR('C'),
4075
4076   EL_STEEL_CHAR('D'),
4077   EL_STEEL_CHAR('E'),
4078   EL_STEEL_CHAR('F'),
4079   EL_STEEL_CHAR('G'),
4080
4081   EL_STEEL_CHAR('H'),
4082   EL_STEEL_CHAR('I'),
4083   EL_STEEL_CHAR('J'),
4084   EL_STEEL_CHAR('K'),
4085
4086   EL_STEEL_CHAR('L'),
4087   EL_STEEL_CHAR('M'),
4088   EL_STEEL_CHAR('N'),
4089   EL_STEEL_CHAR('O'),
4090
4091   EL_STEEL_CHAR('P'),
4092   EL_STEEL_CHAR('Q'),
4093   EL_STEEL_CHAR('R'),
4094   EL_STEEL_CHAR('S'),
4095
4096   EL_STEEL_CHAR('T'),
4097   EL_STEEL_CHAR('U'),
4098   EL_STEEL_CHAR('V'),
4099   EL_STEEL_CHAR('W'),
4100
4101   EL_STEEL_CHAR('X'),
4102   EL_STEEL_CHAR('Y'),
4103   EL_STEEL_CHAR('Z'),
4104   EL_STEEL_CHAR('['),
4105
4106   EL_STEEL_CHAR('\\'),
4107   EL_STEEL_CHAR(']'),
4108   EL_STEEL_CHAR('^'),
4109   EL_STEEL_CHAR('_'),
4110
4111   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4112   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4113   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4114   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4115
4116   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4117   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4118   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4119   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4120
4121   EL_STEEL_CHAR(FONT_ASCII_UP),
4122   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4123   EL_STEEL_CHAR(' '),
4124   EL_STEEL_CHAR(' ')
4125 };
4126 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4127 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4128 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4129 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4130
4131 static int editor_hl_custom[] =
4132 {
4133   EL_INTERNAL_CASCADE_CE_ACTIVE,
4134   EL_CHAR('C'),
4135   EL_CHAR('E'),
4136   EL_EMPTY,
4137 };
4138
4139 static int editor_el_custom[] =
4140 {
4141   EL_CUSTOM_START + 0,
4142   EL_CUSTOM_START + 1,
4143   EL_CUSTOM_START + 2,
4144   EL_CUSTOM_START + 3,
4145
4146   EL_CUSTOM_START + 4,
4147   EL_CUSTOM_START + 5,
4148   EL_CUSTOM_START + 6,
4149   EL_CUSTOM_START + 7,
4150
4151   EL_CUSTOM_START + 8,
4152   EL_CUSTOM_START + 9,
4153   EL_CUSTOM_START + 10,
4154   EL_CUSTOM_START + 11,
4155
4156   EL_CUSTOM_START + 12,
4157   EL_CUSTOM_START + 13,
4158   EL_CUSTOM_START + 14,
4159   EL_CUSTOM_START + 15,
4160
4161   EL_CUSTOM_START + 16,
4162   EL_CUSTOM_START + 17,
4163   EL_CUSTOM_START + 18,
4164   EL_CUSTOM_START + 19,
4165
4166   EL_CUSTOM_START + 20,
4167   EL_CUSTOM_START + 21,
4168   EL_CUSTOM_START + 22,
4169   EL_CUSTOM_START + 23,
4170
4171   EL_CUSTOM_START + 24,
4172   EL_CUSTOM_START + 25,
4173   EL_CUSTOM_START + 26,
4174   EL_CUSTOM_START + 27,
4175
4176   EL_CUSTOM_START + 28,
4177   EL_CUSTOM_START + 29,
4178   EL_CUSTOM_START + 30,
4179   EL_CUSTOM_START + 31,
4180
4181   EL_CUSTOM_START + 32,
4182   EL_CUSTOM_START + 33,
4183   EL_CUSTOM_START + 34,
4184   EL_CUSTOM_START + 35,
4185
4186   EL_CUSTOM_START + 36,
4187   EL_CUSTOM_START + 37,
4188   EL_CUSTOM_START + 38,
4189   EL_CUSTOM_START + 39,
4190
4191   EL_CUSTOM_START + 40,
4192   EL_CUSTOM_START + 41,
4193   EL_CUSTOM_START + 42,
4194   EL_CUSTOM_START + 43,
4195
4196   EL_CUSTOM_START + 44,
4197   EL_CUSTOM_START + 45,
4198   EL_CUSTOM_START + 46,
4199   EL_CUSTOM_START + 47,
4200
4201   EL_CUSTOM_START + 48,
4202   EL_CUSTOM_START + 49,
4203   EL_CUSTOM_START + 50,
4204   EL_CUSTOM_START + 51,
4205
4206   EL_CUSTOM_START + 52,
4207   EL_CUSTOM_START + 53,
4208   EL_CUSTOM_START + 54,
4209   EL_CUSTOM_START + 55,
4210
4211   EL_CUSTOM_START + 56,
4212   EL_CUSTOM_START + 57,
4213   EL_CUSTOM_START + 58,
4214   EL_CUSTOM_START + 59,
4215
4216   EL_CUSTOM_START + 60,
4217   EL_CUSTOM_START + 61,
4218   EL_CUSTOM_START + 62,
4219   EL_CUSTOM_START + 63,
4220
4221   EL_CUSTOM_START + 64,
4222   EL_CUSTOM_START + 65,
4223   EL_CUSTOM_START + 66,
4224   EL_CUSTOM_START + 67,
4225
4226   EL_CUSTOM_START + 68,
4227   EL_CUSTOM_START + 69,
4228   EL_CUSTOM_START + 70,
4229   EL_CUSTOM_START + 71,
4230
4231   EL_CUSTOM_START + 72,
4232   EL_CUSTOM_START + 73,
4233   EL_CUSTOM_START + 74,
4234   EL_CUSTOM_START + 75,
4235
4236   EL_CUSTOM_START + 76,
4237   EL_CUSTOM_START + 77,
4238   EL_CUSTOM_START + 78,
4239   EL_CUSTOM_START + 79,
4240
4241   EL_CUSTOM_START + 80,
4242   EL_CUSTOM_START + 81,
4243   EL_CUSTOM_START + 82,
4244   EL_CUSTOM_START + 83,
4245
4246   EL_CUSTOM_START + 84,
4247   EL_CUSTOM_START + 85,
4248   EL_CUSTOM_START + 86,
4249   EL_CUSTOM_START + 87,
4250
4251   EL_CUSTOM_START + 88,
4252   EL_CUSTOM_START + 89,
4253   EL_CUSTOM_START + 90,
4254   EL_CUSTOM_START + 91,
4255
4256   EL_CUSTOM_START + 92,
4257   EL_CUSTOM_START + 93,
4258   EL_CUSTOM_START + 94,
4259   EL_CUSTOM_START + 95,
4260
4261   EL_CUSTOM_START + 96,
4262   EL_CUSTOM_START + 97,
4263   EL_CUSTOM_START + 98,
4264   EL_CUSTOM_START + 99,
4265
4266   EL_CUSTOM_START + 100,
4267   EL_CUSTOM_START + 101,
4268   EL_CUSTOM_START + 102,
4269   EL_CUSTOM_START + 103,
4270
4271   EL_CUSTOM_START + 104,
4272   EL_CUSTOM_START + 105,
4273   EL_CUSTOM_START + 106,
4274   EL_CUSTOM_START + 107,
4275
4276   EL_CUSTOM_START + 108,
4277   EL_CUSTOM_START + 109,
4278   EL_CUSTOM_START + 110,
4279   EL_CUSTOM_START + 111,
4280
4281   EL_CUSTOM_START + 112,
4282   EL_CUSTOM_START + 113,
4283   EL_CUSTOM_START + 114,
4284   EL_CUSTOM_START + 115,
4285
4286   EL_CUSTOM_START + 116,
4287   EL_CUSTOM_START + 117,
4288   EL_CUSTOM_START + 118,
4289   EL_CUSTOM_START + 119,
4290
4291   EL_CUSTOM_START + 120,
4292   EL_CUSTOM_START + 121,
4293   EL_CUSTOM_START + 122,
4294   EL_CUSTOM_START + 123,
4295
4296   EL_CUSTOM_START + 124,
4297   EL_CUSTOM_START + 125,
4298   EL_CUSTOM_START + 126,
4299   EL_CUSTOM_START + 127,
4300
4301   EL_CUSTOM_START + 128,
4302   EL_CUSTOM_START + 129,
4303   EL_CUSTOM_START + 130,
4304   EL_CUSTOM_START + 131,
4305
4306   EL_CUSTOM_START + 132,
4307   EL_CUSTOM_START + 133,
4308   EL_CUSTOM_START + 134,
4309   EL_CUSTOM_START + 135,
4310
4311   EL_CUSTOM_START + 136,
4312   EL_CUSTOM_START + 137,
4313   EL_CUSTOM_START + 138,
4314   EL_CUSTOM_START + 139,
4315
4316   EL_CUSTOM_START + 140,
4317   EL_CUSTOM_START + 141,
4318   EL_CUSTOM_START + 142,
4319   EL_CUSTOM_START + 143,
4320
4321   EL_CUSTOM_START + 144,
4322   EL_CUSTOM_START + 145,
4323   EL_CUSTOM_START + 146,
4324   EL_CUSTOM_START + 147,
4325
4326   EL_CUSTOM_START + 148,
4327   EL_CUSTOM_START + 149,
4328   EL_CUSTOM_START + 150,
4329   EL_CUSTOM_START + 151,
4330
4331   EL_CUSTOM_START + 152,
4332   EL_CUSTOM_START + 153,
4333   EL_CUSTOM_START + 154,
4334   EL_CUSTOM_START + 155,
4335
4336   EL_CUSTOM_START + 156,
4337   EL_CUSTOM_START + 157,
4338   EL_CUSTOM_START + 158,
4339   EL_CUSTOM_START + 159,
4340
4341   EL_CUSTOM_START + 160,
4342   EL_CUSTOM_START + 161,
4343   EL_CUSTOM_START + 162,
4344   EL_CUSTOM_START + 163,
4345
4346   EL_CUSTOM_START + 164,
4347   EL_CUSTOM_START + 165,
4348   EL_CUSTOM_START + 166,
4349   EL_CUSTOM_START + 167,
4350
4351   EL_CUSTOM_START + 168,
4352   EL_CUSTOM_START + 169,
4353   EL_CUSTOM_START + 170,
4354   EL_CUSTOM_START + 171,
4355
4356   EL_CUSTOM_START + 172,
4357   EL_CUSTOM_START + 173,
4358   EL_CUSTOM_START + 174,
4359   EL_CUSTOM_START + 175,
4360
4361   EL_CUSTOM_START + 176,
4362   EL_CUSTOM_START + 177,
4363   EL_CUSTOM_START + 178,
4364   EL_CUSTOM_START + 179,
4365
4366   EL_CUSTOM_START + 180,
4367   EL_CUSTOM_START + 181,
4368   EL_CUSTOM_START + 182,
4369   EL_CUSTOM_START + 183,
4370
4371   EL_CUSTOM_START + 184,
4372   EL_CUSTOM_START + 185,
4373   EL_CUSTOM_START + 186,
4374   EL_CUSTOM_START + 187,
4375
4376   EL_CUSTOM_START + 188,
4377   EL_CUSTOM_START + 189,
4378   EL_CUSTOM_START + 190,
4379   EL_CUSTOM_START + 191,
4380
4381   EL_CUSTOM_START + 192,
4382   EL_CUSTOM_START + 193,
4383   EL_CUSTOM_START + 194,
4384   EL_CUSTOM_START + 195,
4385
4386   EL_CUSTOM_START + 196,
4387   EL_CUSTOM_START + 197,
4388   EL_CUSTOM_START + 198,
4389   EL_CUSTOM_START + 199,
4390
4391   EL_CUSTOM_START + 200,
4392   EL_CUSTOM_START + 201,
4393   EL_CUSTOM_START + 202,
4394   EL_CUSTOM_START + 203,
4395
4396   EL_CUSTOM_START + 204,
4397   EL_CUSTOM_START + 205,
4398   EL_CUSTOM_START + 206,
4399   EL_CUSTOM_START + 207,
4400
4401   EL_CUSTOM_START + 208,
4402   EL_CUSTOM_START + 209,
4403   EL_CUSTOM_START + 210,
4404   EL_CUSTOM_START + 211,
4405
4406   EL_CUSTOM_START + 212,
4407   EL_CUSTOM_START + 213,
4408   EL_CUSTOM_START + 214,
4409   EL_CUSTOM_START + 215,
4410
4411   EL_CUSTOM_START + 216,
4412   EL_CUSTOM_START + 217,
4413   EL_CUSTOM_START + 218,
4414   EL_CUSTOM_START + 219,
4415
4416   EL_CUSTOM_START + 220,
4417   EL_CUSTOM_START + 221,
4418   EL_CUSTOM_START + 222,
4419   EL_CUSTOM_START + 223,
4420
4421   EL_CUSTOM_START + 224,
4422   EL_CUSTOM_START + 225,
4423   EL_CUSTOM_START + 226,
4424   EL_CUSTOM_START + 227,
4425
4426   EL_CUSTOM_START + 228,
4427   EL_CUSTOM_START + 229,
4428   EL_CUSTOM_START + 230,
4429   EL_CUSTOM_START + 231,
4430
4431   EL_CUSTOM_START + 232,
4432   EL_CUSTOM_START + 233,
4433   EL_CUSTOM_START + 234,
4434   EL_CUSTOM_START + 235,
4435
4436   EL_CUSTOM_START + 236,
4437   EL_CUSTOM_START + 237,
4438   EL_CUSTOM_START + 238,
4439   EL_CUSTOM_START + 239,
4440
4441   EL_CUSTOM_START + 240,
4442   EL_CUSTOM_START + 241,
4443   EL_CUSTOM_START + 242,
4444   EL_CUSTOM_START + 243,
4445
4446   EL_CUSTOM_START + 244,
4447   EL_CUSTOM_START + 245,
4448   EL_CUSTOM_START + 246,
4449   EL_CUSTOM_START + 247,
4450
4451   EL_CUSTOM_START + 248,
4452   EL_CUSTOM_START + 249,
4453   EL_CUSTOM_START + 250,
4454   EL_CUSTOM_START + 251,
4455
4456   EL_CUSTOM_START + 252,
4457   EL_CUSTOM_START + 253,
4458   EL_CUSTOM_START + 254,
4459   EL_CUSTOM_START + 255
4460 };
4461 static int *editor_hl_custom_ptr = editor_hl_custom;
4462 static int *editor_el_custom_ptr = editor_el_custom;
4463 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4464 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4465
4466 static int editor_hl_group[] =
4467 {
4468   EL_INTERNAL_CASCADE_GE_ACTIVE,
4469   EL_CHAR('G'),
4470   EL_CHAR('E'),
4471   EL_EMPTY,
4472 };
4473
4474 static int editor_el_group[] =
4475 {
4476   EL_GROUP_START + 0,
4477   EL_GROUP_START + 1,
4478   EL_GROUP_START + 2,
4479   EL_GROUP_START + 3,
4480
4481   EL_GROUP_START + 4,
4482   EL_GROUP_START + 5,
4483   EL_GROUP_START + 6,
4484   EL_GROUP_START + 7,
4485
4486   EL_GROUP_START + 8,
4487   EL_GROUP_START + 9,
4488   EL_GROUP_START + 10,
4489   EL_GROUP_START + 11,
4490
4491   EL_GROUP_START + 12,
4492   EL_GROUP_START + 13,
4493   EL_GROUP_START + 14,
4494   EL_GROUP_START + 15,
4495
4496   EL_GROUP_START + 16,
4497   EL_GROUP_START + 17,
4498   EL_GROUP_START + 18,
4499   EL_GROUP_START + 19,
4500
4501   EL_GROUP_START + 20,
4502   EL_GROUP_START + 21,
4503   EL_GROUP_START + 22,
4504   EL_GROUP_START + 23,
4505
4506   EL_GROUP_START + 24,
4507   EL_GROUP_START + 25,
4508   EL_GROUP_START + 26,
4509   EL_GROUP_START + 27,
4510
4511   EL_GROUP_START + 28,
4512   EL_GROUP_START + 29,
4513   EL_GROUP_START + 30,
4514   EL_GROUP_START + 31
4515 };
4516 static int *editor_hl_group_ptr = editor_hl_group;
4517 static int *editor_el_group_ptr = editor_el_group;
4518 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4519 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4520
4521 static int editor_hl_reference[] =
4522 {
4523   EL_INTERNAL_CASCADE_REF_ACTIVE,
4524   EL_CHAR('R'),
4525   EL_CHAR('E'),
4526   EL_CHAR('F')
4527 };
4528
4529 static int editor_el_reference[] =
4530 {
4531   EL_TRIGGER_PLAYER,
4532   EL_TRIGGER_ELEMENT,
4533   EL_TRIGGER_CE_VALUE,
4534   EL_TRIGGER_CE_SCORE,
4535
4536   EL_SELF,
4537   EL_ANY_ELEMENT,
4538   EL_CURRENT_CE_VALUE,
4539   EL_CURRENT_CE_SCORE,
4540
4541   EL_PREV_CE_8,
4542   EL_PREV_CE_7,
4543   EL_PREV_CE_6,
4544   EL_PREV_CE_5,
4545
4546   EL_PREV_CE_4,
4547   EL_PREV_CE_3,
4548   EL_PREV_CE_2,
4549   EL_PREV_CE_1,
4550
4551   EL_NEXT_CE_1,
4552   EL_NEXT_CE_2,
4553   EL_NEXT_CE_3,
4554   EL_NEXT_CE_4,
4555
4556   EL_NEXT_CE_5,
4557   EL_NEXT_CE_6,
4558   EL_NEXT_CE_7,
4559   EL_NEXT_CE_8,
4560 };
4561 static int *editor_hl_reference_ptr = editor_hl_reference;
4562 static int *editor_el_reference_ptr = editor_el_reference;
4563 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4564 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4565
4566 static int editor_hl_user_defined[] =
4567 {
4568   EL_INTERNAL_CASCADE_USER_ACTIVE,
4569   EL_CHAR('M'),
4570   EL_CHAR('Y'),
4571   EL_EMPTY,
4572 };
4573
4574 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4575 static int *editor_el_user_defined_ptr = NULL;
4576 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4577 static int num_editor_el_user_defined = 0;
4578
4579 static int editor_hl_dynamic[] =
4580 {
4581   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4582   EL_CHAR('U'),
4583   EL_CHAR('S'),
4584   EL_CHAR('E'),
4585 };
4586
4587 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4588 static int *editor_el_dynamic_ptr = NULL;
4589 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4590 static int num_editor_el_dynamic = 0;
4591
4592 static int editor_hl_empty[] = { EL_EMPTY };
4593 static int *editor_el_empty = NULL;     /* dynamically allocated */
4594
4595 static int *editor_hl_empty_ptr = editor_hl_empty;
4596 static int *editor_el_empty_ptr = NULL;
4597 static int num_editor_hl_empty = 0;
4598 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4599
4600 static boolean use_el_empty = FALSE;
4601
4602 static int *editor_elements = NULL;     /* dynamically allocated */
4603 static int num_editor_elements = 0;     /* dynamically determined */
4604
4605 static boolean setup_editor_show_always = TRUE;
4606 static boolean setup_editor_cascade_never = FALSE;
4607
4608 static int editor_hl_unused[] = { EL_EMPTY };
4609 static int *editor_hl_unused_ptr = editor_hl_unused;
4610 static int num_editor_hl_unused = 0;
4611
4612 static struct
4613 {
4614   boolean *setup_value;
4615   boolean *setup_cascade_value;
4616
4617   int **headline_list;
4618   int *headline_list_size;
4619
4620   int **element_list;
4621   int *element_list_size;
4622
4623   boolean last_setup_value;
4624 }
4625 editor_elements_info[] =
4626 {
4627   {
4628     &setup_editor_show_always,
4629     &setup_editor_cascade_never,
4630     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4631     &editor_el_players_ptr,             &num_editor_el_players
4632   },
4633   {
4634     &setup.editor.el_boulderdash,
4635     &setup.editor_cascade.el_bd,
4636     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4637     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4638   },
4639   {
4640     &setup.editor.el_emerald_mine,
4641     &setup.editor_cascade.el_em,
4642     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4643     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4644   },
4645   {
4646     &setup.editor.el_emerald_mine_club,
4647     &setup.editor_cascade.el_emc,
4648     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4649     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4650   },
4651   {
4652     &setup.editor.el_more,
4653     &setup.editor_cascade.el_rnd,
4654     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4655     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4656   },
4657   {
4658     &setup.editor.el_sokoban,
4659     &setup.editor_cascade.el_sb,
4660     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4661     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4662   },
4663   {
4664     &setup.editor.el_supaplex,
4665     &setup.editor_cascade.el_sp,
4666     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4667     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4668   },
4669   {
4670     &setup.editor.el_diamond_caves,
4671     &setup.editor_cascade.el_dc,
4672     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4673     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4674   },
4675   {
4676     &setup.editor.el_dx_boulderdash,
4677     &setup.editor_cascade.el_dx,
4678     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4679     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4680   },
4681   {
4682     &setup.editor.el_chars,
4683     &setup.editor_cascade.el_chars,
4684     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4685     &editor_el_chars_ptr,               &num_editor_el_chars
4686   },
4687   {
4688     &setup.editor.el_steel_chars,
4689     &setup.editor_cascade.el_steel_chars,
4690     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4691     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4692   },
4693   {
4694     &setup.editor.el_custom,
4695     &setup.editor_cascade.el_ce,
4696     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4697     &editor_el_custom_ptr,              &num_editor_el_custom
4698   },
4699   {
4700     &setup.editor.el_custom,
4701     &setup.editor_cascade.el_ge,
4702     &editor_hl_group_ptr,               &num_editor_hl_group,
4703     &editor_el_group_ptr,               &num_editor_el_group
4704   },
4705   {
4706     &setup.editor.el_custom,
4707     &setup.editor_cascade.el_ref,
4708     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4709     &editor_el_reference_ptr,           &num_editor_el_reference
4710   },
4711   {
4712     &setup.editor.el_user_defined,
4713     &setup.editor_cascade.el_user,
4714     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4715     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4716   },
4717   {
4718     &setup.editor.el_dynamic,
4719     &setup.editor_cascade.el_dynamic,
4720     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4721     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4722   },
4723   {
4724     &use_el_empty,
4725     &use_el_empty,
4726     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4727     &editor_el_empty_ptr,               &num_editor_el_empty,
4728   },
4729   {
4730     NULL,
4731     NULL,
4732     NULL,                               NULL,
4733     NULL,                               NULL
4734   }
4735 };
4736
4737
4738 /*
4739   -----------------------------------------------------------------------------
4740   functions
4741   -----------------------------------------------------------------------------
4742 */
4743
4744 static int getMaxInfoTextLength()
4745 {
4746   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4747 }
4748
4749 static int getTextWidthForGadget(char *text)
4750 {
4751   if (text == NULL)
4752     return 0;
4753
4754   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4755 }
4756
4757 static int getTextWidthForDrawingArea(char *text)
4758 {
4759   if (text == NULL)
4760     return 0;
4761
4762   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4763 }
4764
4765 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4766 {
4767   return (gi->x + gi->width + getTextWidthForGadget(text));
4768 }
4769
4770 static char *getElementInfoText(int element)
4771 {
4772   char *info_text = NULL;
4773
4774   if (element < MAX_NUM_ELEMENTS)
4775   {
4776     if (strlen(element_info[element].description) > 0)
4777       info_text = element_info[element].description;
4778     else if (element_info[element].custom_description != NULL)
4779       info_text = element_info[element].custom_description;
4780     else if (element_info[element].editor_description != NULL)
4781       info_text = element_info[element].editor_description;
4782   }
4783
4784   if (info_text == NULL)
4785     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4786
4787   return info_text;
4788 }
4789
4790 char *getElementDescriptionFilename(int element)
4791 {
4792   char *docs_dir = options.docs_directory;
4793   char *elements_subdir = "elements";
4794   static char *filename = NULL;
4795   char basename[MAX_FILENAME_LEN];
4796
4797   checked_free(filename);
4798
4799   /* 1st try: look for element description file for exactly this element */
4800   sprintf(basename, "%s.txt", element_info[element].token_name);
4801   filename = getPath3(docs_dir, elements_subdir, basename);
4802   if (fileExists(filename))
4803     return filename;
4804
4805   free(filename);
4806
4807   /* 2nd try: look for element description file for this element's class */
4808   sprintf(basename, "%s.txt", element_info[element].class_name);
4809   filename = getPath3(docs_dir, elements_subdir, basename);
4810   if (fileExists(filename))
4811     return filename;
4812
4813   return NULL;
4814 }
4815
4816 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4817 {
4818   boolean element_found[NUM_FILE_ELEMENTS];
4819   int i, x, y;
4820
4821   /* initialize list of used elements to "not used" */
4822   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4823     element_found[i] = FALSE;
4824
4825   /* find all elements used in current level */
4826   for (y = 0; y < lev_fieldy; y++)
4827     for (x = 0; x < lev_fieldx; x++)
4828       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4829         element_found[Feld[x][y]] = TRUE;
4830
4831   *num_elements = 0;
4832
4833   /* count number of elements used in current level */
4834   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4835     if (element_found[i])
4836       (*num_elements)++;
4837
4838   /* add space for up to 3 more elements for padding that may be needed */
4839   *num_elements += 3;
4840
4841   /* free memory for old list of elements, if needed */
4842   checked_free(*elements);
4843
4844   /* allocate memory for new list of elements */
4845   *elements = checked_malloc(*num_elements * sizeof(int));
4846
4847   *num_elements = 0;
4848
4849   /* add all elements used in current level (non-custom/group elements) */
4850   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4851     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4852       (*elements)[(*num_elements)++] = i;
4853
4854   /* add all elements used in current level (custom/group elements) */
4855   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4856     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4857       (*elements)[(*num_elements)++] = i;
4858
4859   while (*num_elements % 4)     /* pad with empty elements, if needed */
4860     (*elements)[(*num_elements)++] = EL_EMPTY;
4861 }
4862
4863 static void ReinitializeElementList()
4864 {
4865   static boolean initialization_needed = TRUE;
4866   int pos = 0;
4867   int i, j;
4868
4869   if (initialization_needed)
4870   {
4871     LoadSetup_EditorCascade();          /* load last editor cascade state */
4872
4873     /* initialize editor cascade element from saved cascade state */
4874     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4875     {
4876       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4877       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4878
4879       if (IS_EDITOR_CASCADE(*cascade_element))
4880         *cascade_element =
4881           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4882            EL_CASCADE_INACTIVE(*cascade_element));
4883     }
4884
4885     initialization_needed = FALSE;
4886   }
4887
4888   checked_free(editor_elements);
4889
4890   /* reload optional user defined element list for each invocation of editor */
4891   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4892                                    &num_editor_el_user_defined);
4893
4894   /* initialize dynamic level element list for each invocation of editor */
4895   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4896                                &num_editor_el_dynamic);
4897
4898   /* initialize list of empty elements (used for padding, if needed) */
4899   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4900     editor_el_empty[i] = EL_EMPTY;
4901
4902   /* do some sanity checks for each element from element list */
4903   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4904   {
4905     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4906     {
4907       int element = (*editor_elements_info[i].element_list)[j];
4908
4909       if (element >= NUM_FILE_ELEMENTS)
4910         Error(ERR_WARN, "editor element %d is runtime element", element);
4911
4912       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4913         Error(ERR_WARN, "no element description for element %d", element);
4914     }
4915   }
4916
4917   num_editor_elements = 0;
4918   use_el_empty = FALSE;
4919
4920   /* determine size of element list */
4921   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4922   {
4923     boolean found_inactive_cascade = FALSE;
4924
4925     if (*editor_elements_info[i].setup_value)
4926     {
4927       if (setup.editor.el_headlines)
4928       {
4929         num_editor_elements += *editor_elements_info[i].headline_list_size;
4930
4931         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4932         {
4933           int element = (*editor_elements_info[i].headline_list)[j];
4934
4935           if (IS_EDITOR_CASCADE_INACTIVE(element))
4936             found_inactive_cascade = TRUE;
4937         }
4938       }
4939
4940       if (found_inactive_cascade)
4941         continue;
4942
4943       num_editor_elements += *editor_elements_info[i].element_list_size;
4944     }
4945   }
4946
4947   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
4948   {
4949     /* offer at least as many elements as element buttons exist */
4950     use_el_empty = TRUE;
4951     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
4952
4953     num_editor_elements += num_editor_el_empty;
4954   }
4955
4956   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
4957
4958   /* fill element list */
4959   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4960   {
4961     boolean found_inactive_cascade = FALSE;
4962
4963     if (*editor_elements_info[i].setup_value)
4964     {
4965       if (setup.editor.el_headlines)
4966       {
4967         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4968         {
4969           int element = (*editor_elements_info[i].headline_list)[j];
4970
4971           editor_elements[pos++] = element;
4972
4973           if (IS_EDITOR_CASCADE_INACTIVE(element))
4974             found_inactive_cascade = TRUE;
4975         }
4976       }
4977
4978       if (found_inactive_cascade)
4979         continue;
4980
4981       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4982         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
4983     }
4984   }
4985
4986   /* (this function is also called before editor gadgets are initialized!) */
4987   AdjustElementListScrollbar();
4988 }
4989
4990 void PrintEditorElementList()
4991 {
4992   boolean *stop = &setup.editor.el_user_defined;
4993   int i, j;
4994
4995   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
4996   {
4997     int cascade_element = (*editor_elements_info[i].headline_list)[0];
4998
4999     if (IS_EDITOR_CASCADE(cascade_element))
5000     {
5001       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5002       char *headline = element_info[cascade_element_show].editor_description;
5003
5004       printf_line_with_prefix("# ", "-", 77);
5005       printf("# %s\n", headline);
5006       printf_line_with_prefix("# ", "-", 77);
5007     }
5008
5009     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5010     {
5011       int element = (*editor_elements_info[i].headline_list)[j];
5012
5013       if (IS_EDITOR_CASCADE(element))
5014         element = EL_CHAR_MINUS;
5015
5016       printf("# %s\n", element_info[element].token_name);
5017     }
5018
5019     if (j > 0)
5020       printf("#\n");
5021
5022     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5023     {
5024       int element = (*editor_elements_info[i].element_list)[j];
5025
5026       printf("# %s\n", element_info[element].token_name);
5027     }
5028
5029     if (j > 0)
5030       printf("#\n");
5031   }
5032 }
5033
5034 static void ReinitializeElementListButtons()
5035 {
5036   static boolean last_setup_value_headlines = FALSE;
5037   static boolean initialization_needed = TRUE;
5038   int i;
5039
5040   if (!initialization_needed)   /* check if editor element setup has changed */
5041   {
5042     if (last_setup_value_headlines != setup.editor.el_headlines)
5043       initialization_needed = TRUE;
5044
5045     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5046       if (editor_elements_info[i].last_setup_value !=
5047           *editor_elements_info[i].setup_value)
5048         initialization_needed = TRUE;
5049   }
5050
5051   if (!initialization_needed)
5052     return;
5053
5054   FreeLevelEditorGadgets();
5055   CreateLevelEditorGadgets();
5056
5057   /* store current setup values for next invocation of this function */
5058   last_setup_value_headlines = setup.editor.el_headlines;
5059   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5060     editor_elements_info[i].last_setup_value =
5061       *editor_elements_info[i].setup_value;
5062
5063   initialization_needed = FALSE;
5064 }
5065
5066 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5067                               boolean input)
5068 {
5069   int border_graphic =
5070     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5071   Bitmap *src_bitmap;
5072   int src_x, src_y;
5073   int bx = (input ? 4 : 8);
5074   int by = (input ? 4 : 8);
5075   int bx2 = TILEX - bx;
5076   int by2 = TILEY - by;
5077   int i;
5078
5079   getFixedGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5080
5081   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5082              bx, by, dest_x - bx, dest_y - by);
5083   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5084              bx, by, dest_x + width, dest_y - by);
5085   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5086              bx, by, dest_x - bx, dest_y + height);
5087   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5088              bx, by, dest_x + width, dest_y + height);
5089
5090   for (i = 0; i < width / MINI_TILEX; i++)
5091   {
5092     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5093                dest_x + i * MINI_TILEX, dest_y - by);
5094     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5095                dest_x + i * MINI_TILEX, dest_y + height);
5096   }
5097
5098   for (i = 0; i < height / MINI_TILEY; i++)
5099   {
5100     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5101                dest_x - bx, dest_y + i * MINI_TILEY);
5102     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5103                dest_x + width, dest_y + i * MINI_TILEY);
5104   }
5105
5106   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5107 }
5108
5109 static void DrawDrawingArea(int id)
5110 {
5111   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5112   int x, y;
5113
5114   int *value = drawingarea_info[id].value;
5115   int area_xsize = drawingarea_info[id].area_xsize;
5116   int area_ysize = drawingarea_info[id].area_ysize;
5117
5118   for (x = 0; x < area_xsize; x++)
5119     for (y = 0; y < area_ysize; y++)
5120       DrawMiniGraphicExt(drawto,
5121                          gi->x + x * MINI_TILEX,
5122                          gi->y + y * MINI_TILEY,
5123                          el2edimg(value[x * area_ysize + y]));
5124 }
5125
5126 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5127 {
5128   int x, y;
5129   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5130   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5131
5132   BlitBitmap(drawto, drawto,
5133              SX + (dx == -1 ? MINI_TILEX : 0),
5134              SY + (dy == -1 ? MINI_TILEY : 0),
5135              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5136              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5137              SX + (dx == +1 ? MINI_TILEX : 0),
5138              SY + (dy == +1 ? MINI_TILEY : 0));
5139
5140   if (dx)
5141   {
5142     x = (dx == 1 ? 0 : ed_fieldx - 1);
5143     for (y = 0; y < ed_fieldy; y++)
5144       DrawMiniElementOrWall(x, y, from_x, from_y);
5145   }
5146   else if (dy)
5147   {
5148     y = (dy == 1 ? 0 : ed_fieldy - 1);
5149     for (x = 0; x < ed_fieldx; x++)
5150       DrawMiniElementOrWall(x, y, from_x, from_y);
5151   }
5152
5153   redraw_mask |= REDRAW_FIELD;
5154   BackToFront();
5155 }
5156
5157 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5158 {
5159   int graphic = el2edimg(element);
5160   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5161                    MINI_TILESIZE);
5162
5163   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5164 }
5165
5166 static void CreateControlButtons()
5167 {
5168   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5169   struct GadgetInfo *gi;
5170   unsigned int event_mask;
5171   int i;
5172
5173   /* create toolbox buttons */
5174   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5175   {
5176     int id = i;
5177     int width, height;
5178     int gd_xoffset, gd_yoffset;
5179     int gd_x1, gd_x2, gd_y1, gd_y2;
5180     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
5181     int button_type;
5182     int radio_button_nr;
5183     boolean checked;
5184
5185     if (id == GADGET_ID_SINGLE_ITEMS ||
5186         id == GADGET_ID_CONNECTED_ITEMS ||
5187         id == GADGET_ID_LINE ||
5188         id == GADGET_ID_ARC ||
5189         id == GADGET_ID_TEXT ||
5190         id == GADGET_ID_RECTANGLE ||
5191         id == GADGET_ID_FILLED_BOX ||
5192         id == GADGET_ID_FLOOD_FILL ||
5193         id == GADGET_ID_GRAB_BRUSH ||
5194         id == GADGET_ID_PICK_ELEMENT ||
5195         id == GADGET_ID_CUSTOM_COPY_FROM ||
5196         id == GADGET_ID_CUSTOM_COPY_TO ||
5197         id == GADGET_ID_CUSTOM_EXCHANGE)
5198     {
5199       button_type = GD_TYPE_RADIO_BUTTON;
5200       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5201       checked = (id == drawing_function ? TRUE : FALSE);
5202       event_mask = GD_EVENT_PRESSED;
5203     }
5204     else
5205     {
5206       button_type = GD_TYPE_NORMAL_BUTTON;
5207       radio_button_nr = RADIO_NR_NONE;
5208       checked = FALSE;
5209
5210       if (id == GADGET_ID_WRAP_LEFT ||
5211           id == GADGET_ID_WRAP_RIGHT ||
5212           id == GADGET_ID_WRAP_UP ||
5213           id == GADGET_ID_WRAP_DOWN)
5214         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5215       else
5216         event_mask = GD_EVENT_RELEASED;
5217     }
5218
5219     if (id < ED_NUM_CTRL1_BUTTONS)
5220     {
5221       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5222       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5223
5224       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5225       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5226       width  = ED_CTRL1_BUTTON_XSIZE;
5227       height = ED_CTRL1_BUTTON_YSIZE;
5228
5229       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5230       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5231       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5232       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5233     }
5234     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5235     {
5236       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5237       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5238
5239       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5240       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5241       width  = ED_CTRL2_BUTTON_XSIZE;
5242       height = ED_CTRL2_BUTTON_YSIZE;
5243
5244       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5245       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5246       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5247       gd_y2 = 0;        /* no alternative graphic for these buttons */
5248     }
5249     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5250     {
5251       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5252       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5253
5254       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5255       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5256       width  = ED_CTRL3_BUTTON_XSIZE;
5257       height = ED_CTRL3_BUTTON_YSIZE;
5258
5259       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5260       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5261       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5262       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5263     }
5264     else if (id < ED_NUM_CTRL1_4_BUTTONS)
5265     {
5266       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5267       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5268
5269       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5270       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5271       width  = ED_CTRL4_BUTTON_XSIZE;
5272       height = ED_CTRL4_BUTTON_YSIZE;
5273
5274       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5275       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5276       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5277       gd_y2 = 0;        /* no alternative graphic for these buttons */
5278     }
5279     else
5280     {
5281       gd_xoffset = DX - EX + ED_CTRL5_BUTTONS_XPOS;
5282       gd_yoffset = DY - EY + ED_CTRL5_BUTTONS_YPOS;
5283       width  = ED_CTRL5_BUTTON_XSIZE;
5284       height = ED_CTRL5_BUTTON_YSIZE;
5285
5286       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL5_BUTTONS_GFX_XPOS;
5287       gd_x2 = 0;        /* no alternative graphic for these buttons */
5288       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL5_BUTTONS_GFX_YPOS;
5289       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL5_BUTTONS_GFX_YPOS - height;
5290     }
5291
5292     if (id < ED_NUM_CTRL1_4_BUTTONS)
5293     {
5294       gd_x1a = gd_x1;
5295       gd_y1a = gd_y2;
5296       gd_x2a = gd_x2;
5297       gd_y2a = gd_y2;
5298       gd_x1 = gd_x1;
5299       gd_y1 = gd_y1;
5300       gd_x2 = gd_x2;
5301       gd_y2 = gd_y1;
5302     }
5303     else
5304     {
5305       gd_x1a = 0;
5306       gd_y1a = 0;
5307       gd_x2a = 0;
5308       gd_y2a = 0;
5309       gd_x1 = gd_x1;
5310       gd_y1 = gd_y1;
5311       gd_x2 = gd_x1;
5312       gd_y2 = gd_y2;
5313     }
5314
5315     gi = CreateGadget(GDI_CUSTOM_ID, id,
5316                       GDI_CUSTOM_TYPE_ID, i,
5317                       GDI_INFO_TEXT, control_info[i].text,
5318                       GDI_X, EX + gd_xoffset,
5319                       GDI_Y, EY + gd_yoffset,
5320                       GDI_WIDTH, width,
5321                       GDI_HEIGHT, height,
5322                       GDI_TYPE, button_type,
5323                       GDI_STATE, GD_BUTTON_UNPRESSED,
5324                       GDI_RADIO_NR, radio_button_nr,
5325                       GDI_CHECKED, checked,
5326                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5327                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5328                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1a, gd_y1a,
5329                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2a, gd_y2a,
5330                       GDI_EVENT_MASK, event_mask,
5331                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5332                       GDI_CALLBACK_ACTION, HandleControlButtons,
5333                       GDI_END);
5334
5335     if (gi == NULL)
5336       Error(ERR_EXIT, "cannot create gadget");
5337
5338     level_editor_gadget[id] = gi;
5339   }
5340
5341   /* these values are not constant, but can change at runtime */
5342   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5343   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5344   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5345   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5346   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5347   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5348   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5349   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5350   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5351   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5352   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5353   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5354
5355   /* create buttons for scrolling of drawing area and element list */
5356   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5357   {
5358     int id = scrollbutton_info[i].gadget_id;
5359     int graphic = scrollbutton_info[i].graphic;
5360     struct GraphicInfo *gd = &graphic_info[graphic];
5361     int x, y, width, height;
5362     int gd_x1, gd_x2, gd_y1, gd_y2;
5363
5364     x = scrollbutton_pos[i].x;
5365     y = scrollbutton_pos[i].y;
5366
5367     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5368
5369     if (id == GADGET_ID_SCROLL_LIST_UP ||
5370         id == GADGET_ID_SCROLL_LIST_DOWN)
5371     {
5372       x += DX;
5373       y += DY;
5374       width  = gd->width;
5375       height = gd->height;
5376       gd_x1 = gd->src_x;
5377       gd_y1 = gd->src_y;
5378       gd_x2 = gd->src_x + gd->pressed_xoffset;
5379       gd_y2 = gd->src_y + gd->pressed_yoffset;
5380     }
5381     else
5382     {
5383       x += SX;
5384       y += SY;
5385       width  = gd->width;
5386       height = gd->height;
5387       gd_x1 = gd->src_x;
5388       gd_y1 = gd->src_y;
5389       gd_x2 = gd->src_x + gd->pressed_xoffset;
5390       gd_y2 = gd->src_y + gd->pressed_yoffset;
5391     }
5392
5393     gi = CreateGadget(GDI_CUSTOM_ID, id,
5394                       GDI_CUSTOM_TYPE_ID, i,
5395                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5396                       GDI_X, x,
5397                       GDI_Y, y,
5398                       GDI_WIDTH, width,
5399                       GDI_HEIGHT, height,
5400                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5401                       GDI_STATE, GD_BUTTON_UNPRESSED,
5402                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5403                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5404                       GDI_EVENT_MASK, event_mask,
5405                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5406                       GDI_CALLBACK_ACTION, HandleControlButtons,
5407                       GDI_END);
5408
5409     if (gi == NULL)
5410       Error(ERR_EXIT, "cannot create gadget");
5411
5412     level_editor_gadget[id] = gi;
5413   }
5414
5415   /* create buttons for element list */
5416   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5417   {
5418     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_PALETTE_BUTTON];
5419     Bitmap *deco_bitmap;
5420     int deco_x, deco_y, deco_xpos, deco_ypos;
5421     int gd_xoffset, gd_yoffset;
5422     int gd_x1, gd_y1, gd_x2, gd_y2;
5423     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5424     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5425     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5426     int element = editor_elements[i];
5427     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5428                      MINI_TILESIZE);
5429
5430     event_mask = GD_EVENT_RELEASED;
5431
5432     gd_xoffset = ED_ELEMENTLIST_XPOS + x * gd->width;
5433     gd_yoffset = ED_ELEMENTLIST_YPOS + y * gd->height;
5434
5435     gd_x1 = gd->src_x;
5436     gd_y1 = gd->src_y;
5437     gd_x2 = gd->src_x + gd->pressed_xoffset;
5438     gd_y2 = gd->src_y + gd->pressed_yoffset;
5439
5440     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5441     deco_xpos = (gd->width  - tile_size) / 2;
5442     deco_ypos = (gd->height - tile_size) / 2;
5443
5444     gi = CreateGadget(GDI_CUSTOM_ID, id,
5445                       GDI_CUSTOM_TYPE_ID, i,
5446                       GDI_INFO_TEXT, getElementInfoText(element),
5447                       GDI_X, DX + gd_xoffset,
5448                       GDI_Y, DY + gd_yoffset,
5449                       GDI_WIDTH, gd->width,
5450                       GDI_HEIGHT, gd->height,
5451                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5452                       GDI_STATE, GD_BUTTON_UNPRESSED,
5453                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5454                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5455                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5456                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5457                       GDI_DECORATION_SIZE, tile_size, tile_size,
5458                       GDI_DECORATION_SHIFTING, 1, 1,
5459                       GDI_EVENT_MASK, event_mask,
5460                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5461                       GDI_CALLBACK_ACTION, HandleControlButtons,
5462                       GDI_END);
5463
5464     if (gi == NULL)
5465       Error(ERR_EXIT, "cannot create gadget");
5466
5467     level_editor_gadget[id] = gi;
5468   }
5469 }
5470
5471 static void CreateCounterButtons()
5472 {
5473   int max_infotext_len = getMaxInfoTextLength();
5474   int i;
5475
5476   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5477   {
5478     int j;
5479     int x = SX + counterbutton_info[i].x;       /* down count button */
5480     int y = SY + counterbutton_info[i].y;
5481
5482     /* determine horizontal position to the right of specified gadget */
5483     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5484       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5485            ED_GADGET_TEXT_DISTANCE);
5486
5487     /* determine horizontal offset for leading text */
5488     if (counterbutton_info[i].text_left != NULL)
5489       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5490
5491     for (j = 0; j < 2; j++)
5492     {
5493       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5494       struct GadgetInfo *gi;
5495       int id = (j == 0 ?
5496                 counterbutton_info[i].gadget_id_down :
5497                 counterbutton_info[i].gadget_id_up);
5498       int gd_xoffset;
5499       int gd_x, gd_y, gd_x1, gd_x2, gd_y1, gd_y2;
5500       int x_size, y_size;
5501       unsigned int event_mask;
5502       char infotext[max_infotext_len + 1];
5503
5504       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5505
5506       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5507       {
5508         int graphic = (j == 0 ?
5509                        IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5510                        IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5511         struct GraphicInfo *gd = &graphic_info[graphic];
5512
5513         gd_bitmap = gd->bitmap;
5514
5515         event_mask |= GD_EVENT_RELEASED;
5516
5517         if (j == 0)
5518         {
5519           x = DX + editor.button.prev_level.x;
5520           y = DY + editor.button.prev_level.y;
5521         }
5522         else
5523         {
5524           x = DX + editor.button.next_level.x;
5525           y = DY + editor.button.next_level.y;
5526         }
5527
5528         gd_x1 = gd->src_x;
5529         gd_y1 = gd->src_y;
5530         gd_x2 = gd->src_x + gd->pressed_xoffset;
5531         gd_y2 = gd->src_y + gd->pressed_yoffset;
5532         x_size = gd->width;
5533         y_size = gd->height;
5534       }
5535       else
5536       {
5537         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5538         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5539         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5540         gd_y1 = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5541         gd_y2 = gd_y1;
5542         x_size = ED_BUTTON_COUNT_XSIZE;
5543         y_size = ED_BUTTON_COUNT_YSIZE;
5544       }
5545
5546       sprintf(infotext, "%s counter value by 1, 5 or 10",
5547               (j == 0 ? "decrease" : "increase"));
5548
5549       gi = CreateGadget(GDI_CUSTOM_ID, id,
5550                         GDI_CUSTOM_TYPE_ID, i,
5551                         GDI_INFO_TEXT, infotext,
5552                         GDI_X, x,
5553                         GDI_Y, y,
5554                         GDI_WIDTH, x_size,
5555                         GDI_HEIGHT, y_size,
5556                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5557                         GDI_STATE, GD_BUTTON_UNPRESSED,
5558                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5559                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5560                         GDI_EVENT_MASK, event_mask,
5561                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5562                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5563                         GDI_END);
5564
5565       if (gi == NULL)
5566         Error(ERR_EXIT, "cannot create gadget");
5567
5568       level_editor_gadget[id] = gi;
5569       right_gadget_border[id] =
5570         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5571
5572       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5573
5574       if (j == 0)
5575       {
5576         int font_type = FONT_INPUT_1;
5577         int font_type_active = FONT_INPUT_1_ACTIVE;
5578         int gd_width = ED_WIN_COUNT_XSIZE;
5579         int border_size = ED_BORDER_SIZE;
5580
5581         id = counterbutton_info[i].gadget_id_text;
5582         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5583
5584         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5585         {
5586           int graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5587           struct GraphicInfo *gd = &graphic_info[graphic];
5588
5589           gd_bitmap = gd->bitmap;
5590
5591           x = DX + editor.input.level_number.x;
5592           y = DY + editor.input.level_number.y;
5593
5594           gd_x = gd->src_x;
5595           gd_y = gd->src_y;
5596           gd_width = gd->width;
5597           border_size = gd->border_size;
5598
5599           font_type = FONT_LEVEL_NUMBER;
5600           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5601         }
5602         else
5603         {
5604           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5605           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5606         }
5607
5608         gi = CreateGadget(GDI_CUSTOM_ID, id,
5609                           GDI_CUSTOM_TYPE_ID, i,
5610                           GDI_INFO_TEXT, "enter counter value",
5611                           GDI_X, x,
5612                           GDI_Y, y,
5613                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5614                           GDI_NUMBER_VALUE, 0,
5615                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5616                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5617                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5618                           GDI_TEXT_FONT, font_type,
5619                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5620                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5621                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5622                           GDI_BORDER_SIZE, border_size, border_size,
5623                           GDI_DESIGN_WIDTH, gd_width,
5624                           GDI_EVENT_MASK, event_mask,
5625                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5626                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5627                           GDI_END);
5628
5629         if (gi == NULL)
5630           Error(ERR_EXIT, "cannot create gadget");
5631
5632         level_editor_gadget[id] = gi;
5633         right_gadget_border[id] =
5634           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5635
5636         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5637       }
5638     }
5639   }
5640 }
5641
5642 static void CreateDrawingAreas()
5643 {
5644   int i;
5645
5646   /* these values are not constant, but can change at runtime */
5647   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5648   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5649
5650   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5651   {
5652     struct GadgetInfo *gi;
5653     unsigned int event_mask;
5654     int id = drawingarea_info[i].gadget_id;
5655     int x = SX + drawingarea_info[i].x;
5656     int y = SY + drawingarea_info[i].y;
5657     int area_xsize = drawingarea_info[i].area_xsize;
5658     int area_ysize = drawingarea_info[i].area_ysize;
5659
5660     event_mask =
5661       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5662       GD_EVENT_OFF_BORDERS;
5663
5664     /* determine horizontal position to the right of specified gadget */
5665     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5666       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5667            ED_DRAWINGAREA_TEXT_DISTANCE);
5668
5669     /* determine horizontal offset for leading text */
5670     if (drawingarea_info[i].text_left != NULL)
5671       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5672
5673     gi = CreateGadget(GDI_CUSTOM_ID, id,
5674                       GDI_CUSTOM_TYPE_ID, i,
5675                       GDI_X, x,
5676                       GDI_Y, y,
5677                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5678                       GDI_AREA_SIZE, area_xsize, area_ysize,
5679                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5680                       GDI_EVENT_MASK, event_mask,
5681                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5682                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5683                       GDI_END);
5684
5685     if (gi == NULL)
5686       Error(ERR_EXIT, "cannot create gadget");
5687
5688     level_editor_gadget[id] = gi;
5689     right_gadget_border[id] =
5690       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5691   }
5692 }
5693
5694 static void CreateTextInputGadgets()
5695 {
5696   int max_infotext_len = getMaxInfoTextLength();
5697   int i;
5698
5699   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5700   {
5701     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5702     int gd_x, gd_y;
5703     struct GadgetInfo *gi;
5704     unsigned int event_mask;
5705     char infotext[MAX_OUTPUT_LINESIZE + 1];
5706     int id = textinput_info[i].gadget_id;
5707
5708     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5709
5710     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5711     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5712
5713     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5714     infotext[max_infotext_len] = '\0';
5715
5716     gi = CreateGadget(GDI_CUSTOM_ID, id,
5717                       GDI_CUSTOM_TYPE_ID, i,
5718                       GDI_INFO_TEXT, infotext,
5719                       GDI_X, SX + textinput_info[i].x,
5720                       GDI_Y, SY + textinput_info[i].y,
5721                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5722                       GDI_TEXT_VALUE, textinput_info[i].value,
5723                       GDI_TEXT_SIZE, textinput_info[i].size,
5724                       GDI_TEXT_FONT, FONT_INPUT_1,
5725                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5726                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5727                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5728                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5729                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5730                       GDI_EVENT_MASK, event_mask,
5731                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5732                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5733                       GDI_END);
5734
5735     if (gi == NULL)
5736       Error(ERR_EXIT, "cannot create gadget");
5737
5738     level_editor_gadget[id] = gi;
5739   }
5740 }
5741
5742 static void CreateTextAreaGadgets()
5743 {
5744   int max_infotext_len = getMaxInfoTextLength();
5745   int i;
5746
5747   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5748   {
5749     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5750     int gd_x, gd_y;
5751     struct GadgetInfo *gi;
5752     unsigned int event_mask;
5753     char infotext[MAX_OUTPUT_LINESIZE + 1];
5754     int id = textarea_info[i].gadget_id;
5755     int area_xsize = textarea_info[i].xsize;
5756     int area_ysize = textarea_info[i].ysize;
5757
5758     event_mask = GD_EVENT_TEXT_LEAVING;
5759
5760     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5761     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5762
5763     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5764     infotext[max_infotext_len] = '\0';
5765
5766     gi = CreateGadget(GDI_CUSTOM_ID, id,
5767                       GDI_CUSTOM_TYPE_ID, i,
5768                       GDI_INFO_TEXT, infotext,
5769                       GDI_X, SX + textarea_info[i].x,
5770                       GDI_Y, SY + textarea_info[i].y,
5771                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5772                       GDI_AREA_SIZE, area_xsize, area_ysize,
5773                       GDI_TEXT_FONT, FONT_INPUT_1,
5774                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5775                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5776                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5777                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5778                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5779                       GDI_EVENT_MASK, event_mask,
5780                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5781                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5782                       GDI_END);
5783
5784     if (gi == NULL)
5785       Error(ERR_EXIT, "cannot create gadget");
5786
5787     level_editor_gadget[id] = gi;
5788   }
5789 }
5790
5791 static void CreateSelectboxGadgets()
5792 {
5793   int max_infotext_len = getMaxInfoTextLength();
5794   int i, j;
5795
5796   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5797   {
5798     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5799     int gd_x, gd_y;
5800     struct GadgetInfo *gi;
5801     unsigned int event_mask;
5802     char infotext[MAX_OUTPUT_LINESIZE + 1];
5803     int id = selectbox_info[i].gadget_id;
5804     int x = SX + selectbox_info[i].x;
5805     int y = SY + selectbox_info[i].y;
5806
5807     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5808     {
5809       /* (we cannot use -1 for uninitialized values if we directly compare
5810          with results from strlen(), because the '<' and '>' operation will
5811          implicitely cast -1 to an unsigned integer value!) */
5812       selectbox_info[i].size = 0;
5813
5814       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5815         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5816           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5817
5818       selectbox_info[i].size++;         /* add one character empty space */
5819     }
5820
5821     event_mask = GD_EVENT_RELEASED |
5822       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5823
5824     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5825     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5826
5827     /* determine horizontal position to the right of specified gadget */
5828     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5829       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5830            ED_GADGET_TEXT_DISTANCE);
5831
5832     /* determine horizontal offset for leading text */
5833     if (selectbox_info[i].text_left != NULL)
5834       x += getTextWidthForGadget(selectbox_info[i].text_left);
5835
5836     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5837     infotext[max_infotext_len] = '\0';
5838
5839     gi = CreateGadget(GDI_CUSTOM_ID, id,
5840                       GDI_CUSTOM_TYPE_ID, i,
5841                       GDI_INFO_TEXT, infotext,
5842                       GDI_X, x,
5843                       GDI_Y, y,
5844                       GDI_TYPE, GD_TYPE_SELECTBOX,
5845                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5846                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5847                       GDI_TEXT_SIZE, selectbox_info[i].size,
5848                       GDI_TEXT_FONT, FONT_INPUT_1,
5849                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5850                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5851                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5852                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5853                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5854                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5855                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5856                       GDI_EVENT_MASK, event_mask,
5857                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5858                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5859                       GDI_END);
5860
5861     if (gi == NULL)
5862       Error(ERR_EXIT, "cannot create gadget");
5863
5864     level_editor_gadget[id] = gi;
5865     right_gadget_border[id] =
5866       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5867   }
5868 }
5869
5870 static void CreateTextbuttonGadgets()
5871 {
5872   int max_infotext_len = getMaxInfoTextLength();
5873   int i;
5874
5875   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5876   {
5877     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5878     int gd_x1, gd_x2, gd_y1, gd_y2;
5879     struct GadgetInfo *gi;
5880     unsigned int event_mask;
5881     char infotext[MAX_OUTPUT_LINESIZE + 1];
5882     int id = textbutton_info[i].gadget_id;
5883     int x = SX + textbutton_info[i].x;
5884     int y = SY + textbutton_info[i].y;
5885
5886     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5887       textbutton_info[i].size = strlen(textbutton_info[i].text);
5888
5889     event_mask = GD_EVENT_RELEASED;
5890
5891     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5892         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5893     {
5894       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5895       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5896       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5897       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5898     }
5899     else
5900     {
5901       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5902       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5903       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5904       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5905     }
5906
5907     sprintf(infotext, "%s", textbutton_info[i].infotext);
5908     infotext[max_infotext_len] = '\0';
5909
5910     /* determine horizontal position to the right of specified gadget */
5911     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5912       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5913            ED_GADGET_TEXT_DISTANCE);
5914
5915     /* determine horizontal offset for leading text */
5916     if (textbutton_info[i].text_left != NULL)
5917       x += getTextWidthForGadget(textbutton_info[i].text_left);
5918
5919     gi = CreateGadget(GDI_CUSTOM_ID, id,
5920                       GDI_CUSTOM_TYPE_ID, i,
5921                       GDI_INFO_TEXT, infotext,
5922                       GDI_X, x,
5923                       GDI_Y, y,
5924                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5925                       GDI_TEXT_VALUE, textbutton_info[i].text,
5926                       GDI_TEXT_SIZE, textbutton_info[i].size,
5927                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5928                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5929                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5930                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5931                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5932                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5933                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5934                       GDI_DECORATION_SHIFTING, 1, 1,
5935                       GDI_EVENT_MASK, event_mask,
5936                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5937                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5938                       GDI_END);
5939
5940     if (gi == NULL)
5941       Error(ERR_EXIT, "cannot create gadget");
5942
5943     level_editor_gadget[id] = gi;
5944     right_gadget_border[id] =
5945       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5946   }
5947 }
5948
5949 static void CreateGraphicbuttonGadgets()
5950 {
5951   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5952   struct GadgetInfo *gi;
5953   unsigned int event_mask;
5954   int i;
5955
5956   /* create buttons for scrolling of drawing area and element list */
5957   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5958   {
5959     int id = graphicbutton_info[i].gadget_id;
5960     int gd_x1, gd_x2, gd_y1, gd_y2;
5961     int x = SX + graphicbutton_info[i].x;
5962     int y = SY + graphicbutton_info[i].y;
5963
5964     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5965
5966     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5967     {
5968       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5969       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5970       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5971       gd_y2 = gd_y1;
5972     }
5973     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5974     {
5975       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5976       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5977       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5978       gd_y2 = gd_y1;
5979     }
5980
5981     /* determine horizontal position to the right of specified gadget */
5982     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5983       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5984            ED_GADGET_TEXT_DISTANCE);
5985
5986     /* determine horizontal offset for leading text */
5987     if (graphicbutton_info[i].text_left != NULL)
5988       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5989
5990     gi = CreateGadget(GDI_CUSTOM_ID, id,
5991                       GDI_CUSTOM_TYPE_ID, i,
5992                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5993                       GDI_X, x,
5994                       GDI_Y, y,
5995                       GDI_WIDTH, graphicbutton_info[i].width,
5996                       GDI_HEIGHT, graphicbutton_info[i].height,
5997                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5998                       GDI_STATE, GD_BUTTON_UNPRESSED,
5999                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6000                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6001                       GDI_EVENT_MASK, event_mask,
6002                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6003                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6004                       GDI_END);
6005
6006     if (gi == NULL)
6007       Error(ERR_EXIT, "cannot create gadget");
6008
6009     level_editor_gadget[id] = gi;
6010     right_gadget_border[id] =
6011       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6012   }
6013 }
6014
6015 static void CreateScrollbarGadgets()
6016 {
6017   int i;
6018
6019   /* these values are not constant, but can change at runtime */
6020   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6021     SX + ED_SCROLL_HORIZONTAL_XPOS;
6022   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6023     SY + ED_SCROLL_HORIZONTAL_YPOS;
6024   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6025     ED_SCROLL_HORIZONTAL_XSIZE;
6026   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6027     ED_SCROLL_HORIZONTAL_YSIZE;
6028   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6029   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6030   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6031   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6032
6033   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6034     SX + ED_SCROLL_VERTICAL_XPOS;
6035   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6036     SY + ED_SCROLL_VERTICAL_YPOS;
6037   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6038     ED_SCROLL_VERTICAL_XSIZE;
6039   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6040     ED_SCROLL_VERTICAL_YSIZE;
6041   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6042   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6043   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6044   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6045
6046   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6047     DX + ED_SCROLL2_VERTICAL_XPOS;
6048   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6049     DY + ED_SCROLL2_VERTICAL_YPOS;
6050   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6051     ED_SCROLL2_VERTICAL_XSIZE;
6052   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6053     ED_SCROLL2_VERTICAL_YSIZE;
6054   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6055   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6056   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6057   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6058
6059   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6060   {
6061     int id = scrollbar_info[i].gadget_id;
6062     int graphic = scrollbar_info[i].graphic;
6063     struct GraphicInfo *gd = &graphic_info[graphic];
6064     Bitmap *gd_bitmap = gd->bitmap;
6065     int gd_x1, gd_x2, gd_y1, gd_y2;
6066     struct GadgetInfo *gi;
6067     int items_max, items_visible, item_position;
6068     unsigned int event_mask;
6069
6070     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6071     {
6072       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6073       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6074       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6075     }
6076     else        /* drawing area scrollbars */
6077     {
6078       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6079       {
6080         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6081         items_visible = ed_fieldx;
6082         item_position = 0;
6083       }
6084       else
6085       {
6086         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6087         items_visible = ed_fieldy;
6088         item_position = 0;
6089       }
6090     }
6091
6092     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6093
6094     gd_x1 = gd->src_x;
6095     gd_y1 = gd->src_y;
6096     gd_x2 = gd->src_x + gd->pressed_xoffset;
6097     gd_y2 = gd->src_y + gd->pressed_yoffset;
6098
6099     gi = CreateGadget(GDI_CUSTOM_ID, id,
6100                       GDI_CUSTOM_TYPE_ID, i,
6101                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6102                       GDI_X, scrollbar_pos[i].x,
6103                       GDI_Y, scrollbar_pos[i].y,
6104                       GDI_WIDTH, scrollbar_pos[i].width,
6105                       GDI_HEIGHT, scrollbar_pos[i].height,
6106                       GDI_TYPE, scrollbar_info[i].type,
6107                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6108                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6109                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6110                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6111                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6112                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6113                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6114                       GDI_STATE, GD_BUTTON_UNPRESSED,
6115                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6116                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6117                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6118                       GDI_EVENT_MASK, event_mask,
6119                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6120                       GDI_CALLBACK_ACTION, HandleControlButtons,
6121                       GDI_END);
6122
6123     if (gi == NULL)
6124       Error(ERR_EXIT, "cannot create gadget");
6125
6126     level_editor_gadget[id] = gi;
6127   }
6128 }
6129
6130 static void CreateCheckbuttonGadgets()
6131 {
6132   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6133   struct GadgetInfo *gi;
6134   unsigned int event_mask;
6135   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6136   int i;
6137
6138   event_mask = GD_EVENT_PRESSED;
6139
6140   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6141   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6142   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6143   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6144   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6145
6146   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6147   {
6148     int id = checkbutton_info[i].gadget_id;
6149     int x = SX + checkbutton_info[i].x;
6150     int y = SY + checkbutton_info[i].y;
6151
6152     if (id == GADGET_ID_STICK_ELEMENT)
6153       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6154     else
6155       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6156
6157     /* determine horizontal position to the right of specified gadget */
6158     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6159       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6160            ED_GADGET_TEXT_DISTANCE);
6161
6162     /* determine horizontal offset for leading text */
6163     if (checkbutton_info[i].text_left != NULL)
6164       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6165
6166     gi = CreateGadget(GDI_CUSTOM_ID, id,
6167                       GDI_CUSTOM_TYPE_ID, i,
6168                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6169                       GDI_X, x,
6170                       GDI_Y, y,
6171                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6172                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6173                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6174                       GDI_CHECKED, *checkbutton_info[i].value,
6175                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6176                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6177                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6178                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6179                       GDI_EVENT_MASK, event_mask,
6180                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6181                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6182                       GDI_END);
6183
6184     if (gi == NULL)
6185       Error(ERR_EXIT, "cannot create gadget");
6186
6187     level_editor_gadget[id] = gi;
6188     right_gadget_border[id] =
6189       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6190   }
6191 }
6192
6193 static void CreateRadiobuttonGadgets()
6194 {
6195   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6196   struct GadgetInfo *gi;
6197   unsigned int event_mask;
6198   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6199   int i;
6200
6201   event_mask = GD_EVENT_PRESSED;
6202
6203   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6204   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6205   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6206   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6207   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6208
6209   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6210   {
6211     int id = radiobutton_info[i].gadget_id;
6212     int x = SX + radiobutton_info[i].x;
6213     int y = SY + radiobutton_info[i].y;
6214
6215     int checked =
6216       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6217
6218     /* determine horizontal position to the right of specified gadget */
6219     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6220       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6221            ED_GADGET_TEXT_DISTANCE);
6222
6223     /* determine horizontal offset for leading text */
6224     if (radiobutton_info[i].text_left != NULL)
6225       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6226
6227     gi = CreateGadget(GDI_CUSTOM_ID, id,
6228                       GDI_CUSTOM_TYPE_ID, i,
6229                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6230                       GDI_X, x,
6231                       GDI_Y, y,
6232                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6233                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6234                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6235                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6236                       GDI_CHECKED, checked,
6237                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6238                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6239                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6240                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6241                       GDI_EVENT_MASK, event_mask,
6242                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6243                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6244                       GDI_END);
6245
6246     if (gi == NULL)
6247       Error(ERR_EXIT, "cannot create gadget");
6248
6249     level_editor_gadget[id] = gi;
6250     right_gadget_border[id] =
6251       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6252   }
6253 }
6254
6255 void CreateLevelEditorGadgets()
6256 {
6257   int old_game_status = game_status;
6258
6259   /* setting 'game_status' is needed to get the right fonts for the editor */
6260   game_status = GAME_MODE_EDITOR;
6261
6262   /* these values are not constant, but can change at runtime */
6263   ed_fieldx = MAX_ED_FIELDX - 1;
6264   ed_fieldy = MAX_ED_FIELDY - 1;
6265
6266   num_editor_gadgets = NUM_EDITOR_GADGETS;
6267
6268   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6269
6270   level_editor_gadget =
6271     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6272   right_gadget_border =
6273     checked_calloc(num_editor_gadgets * sizeof(int));
6274
6275   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6276   editor_el_empty_ptr = editor_el_empty;
6277
6278   ReinitializeElementList();
6279
6280   CreateControlButtons();
6281   CreateScrollbarGadgets();
6282
6283   /* order of function calls is important because of cross-references */
6284   CreateCheckbuttonGadgets();
6285   CreateCounterButtons();
6286   CreateRadiobuttonGadgets();
6287   CreateTextInputGadgets();
6288   CreateTextAreaGadgets();
6289   CreateSelectboxGadgets();
6290   CreateGraphicbuttonGadgets();
6291   CreateTextbuttonGadgets();
6292   CreateDrawingAreas();
6293
6294   game_status = old_game_status;
6295 }
6296
6297 void FreeLevelEditorGadgets()
6298 {
6299   int i;
6300
6301   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6302
6303   for (i = 0; i < num_editor_gadgets; i++)
6304   {
6305     FreeGadget(level_editor_gadget[i]);
6306
6307     level_editor_gadget[i] = NULL;
6308   }
6309
6310   checked_free(level_editor_gadget);
6311   checked_free(right_gadget_border);
6312
6313   checked_free(editor_el_empty);
6314 }
6315
6316 static void MapCounterButtons(int id)
6317 {
6318   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6319   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6320   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6321   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6322   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6323   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6324   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6325   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6326   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6327   int yoffset = ED_BORDER_SIZE;
6328   int x_left = gi_down->x - xoffset_left;
6329   int x_right;  /* set after gadget position was modified */
6330   int y_above = gi_down->y - yoffset_above;
6331   int x = gi_down->x;
6332   int y;        /* set after gadget position was modified */
6333
6334   /* counter limits must be changed first to prevent value truncation */
6335   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6336                             counterbutton_info[id].max_value);
6337
6338   /* right text position might have changed after setting position above */
6339   x_right = gi_up->x + gi_up->width + xoffset_right;
6340
6341   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6342
6343   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6344   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6345       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6346   {
6347     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6348     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6349     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6350   }
6351
6352   /* vertical position might have changed after setting position above */
6353   y = gi_up->y + yoffset;
6354
6355   if (counterbutton_info[id].text_above)
6356     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6357
6358   if (counterbutton_info[id].text_left)
6359     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6360
6361   if (counterbutton_info[id].text_right)
6362     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6363
6364   MapGadget(gi_down);
6365   MapGadget(gi_text);
6366   MapGadget(gi_up);
6367 }
6368
6369 static void MapControlButtons()
6370 {
6371   int counter_id;
6372   int i;
6373
6374   /* map toolbox buttons (excluding special CE toolbox buttons) */
6375   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6376     MapGadget(level_editor_gadget[i]);
6377
6378   /* map toolbox buttons (element properties button) */
6379   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6380
6381   /* map buttons to select elements */
6382   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6383     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6384   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6385   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6386   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6387
6388   /* map buttons to select level */
6389   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6390   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6391   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6392   MapCounterButtons(counter_id);
6393 }
6394
6395 static void MapDrawingArea(int id)
6396 {
6397   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6398   int area_xsize = gi->drawing.area_xsize;
6399   int area_ysize = gi->drawing.area_ysize;
6400   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6401   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6402   int x_left  = gi->x - xoffset_left;
6403   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6404   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6405   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6406   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6407
6408   if (drawingarea_info[id].text_left)
6409     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6410
6411   if (drawingarea_info[id].text_right)
6412     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6413
6414   if (drawingarea_info[id].text_below)
6415     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6416
6417   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6418   {
6419     DrawElementBorder(gi->x, gi->y,
6420                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6421
6422     DrawDrawingArea(id);
6423   }
6424
6425   MapGadget(gi);
6426 }
6427
6428 static void MapTextInputGadget(int id)
6429 {
6430   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6431   int xoffset_above = 0;
6432   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6433   int x_above = textinput_info[id].x + xoffset_above;
6434   int y_above = textinput_info[id].y + yoffset_above;
6435
6436   if (textinput_info[id].text_above)
6437     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6438
6439   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6440
6441   MapGadget(gi);
6442 }
6443
6444 static void MapTextAreaGadget(int id)
6445 {
6446   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6447   int xoffset_above = 0;
6448   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6449   int x_above = textarea_info[id].x + xoffset_above;
6450   int y_above = textarea_info[id].y + yoffset_above;
6451
6452   if (textarea_info[id].text_above)
6453     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6454
6455   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6456
6457   MapGadget(gi);
6458 }
6459
6460 static void MapSelectboxGadget(int id)
6461 {
6462   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6463   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6464   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6465   int yoffset = ED_BORDER_SIZE;
6466   int x_left = gi->x - xoffset_left;
6467   int x_right = gi->x + gi->width + xoffset_right;
6468   int y = gi->y + yoffset;
6469
6470   if (selectbox_info[id].text_left)
6471     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6472
6473   if (selectbox_info[id].text_right)
6474     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6475
6476   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6477
6478   MapGadget(gi);
6479 }
6480
6481 static void MapTextbuttonGadget(int id)
6482 {
6483   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6484   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6485   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6486   int yoffset = ED_BORDER_SIZE;
6487   int x_left = gi->x - xoffset_left;
6488   int x_right = gi->x + gi->width + xoffset_right;
6489   int y = gi->y + yoffset;
6490
6491   /* only show button to delete change pages when more than minimum pages */
6492   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6493       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6494     return;
6495
6496   if (textbutton_info[id].text_left)
6497     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6498
6499   if (textbutton_info[id].text_right)
6500     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6501
6502   MapGadget(gi);
6503 }
6504
6505 static void MapGraphicbuttonGadget(int id)
6506 {
6507   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6508   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6509   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6510   int yoffset = ED_BORDER_SIZE;
6511   int x_left = gi->x - xoffset_left;
6512   int x_right = gi->x + gi->width + xoffset_right;
6513   int y = gi->y + yoffset;
6514
6515   if (graphicbutton_info[id].text_left)
6516     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6517
6518   if (graphicbutton_info[id].text_right)
6519     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6520
6521   MapGadget(gi);
6522 }
6523
6524 static void MapRadiobuttonGadget(int id)
6525 {
6526   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6527   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6528   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6529   int yoffset = ED_BORDER_SIZE;
6530   int x_left = gi->x - xoffset_left;
6531   int x_right = gi->x + gi->width + xoffset_right;
6532   int y = gi->y + yoffset;
6533   boolean checked =
6534     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6535
6536   if (radiobutton_info[id].text_left)
6537     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6538
6539   if (radiobutton_info[id].text_right)
6540     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6541
6542   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6543
6544   MapGadget(gi);
6545 }
6546
6547 static void MapCheckbuttonGadget(int id)
6548 {
6549   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6550   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6551   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6552   int yoffset = ED_BORDER_SIZE;
6553   int x_left, x_right, y;       /* set after gadget position was modified */
6554
6555   /* set position for gadgets with dynamically determined position */
6556   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6557     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6558   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6559
6560   x_left = gi->x - xoffset_left;
6561   x_right = gi->x + gi->width + xoffset_right;
6562   y = gi->y + yoffset;
6563
6564   if (checkbutton_info[id].text_left)
6565     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6566
6567   if (checkbutton_info[id].text_right)
6568     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6569
6570   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6571
6572   MapGadget(gi);
6573 }
6574
6575 static void MapMainDrawingArea()
6576 {
6577   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6578   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6579   int i;
6580
6581   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6582   {
6583     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6584           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6585          no_horizontal_scrollbar) ||
6586         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6587           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6588          no_vertical_scrollbar))
6589       continue;
6590
6591     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6592   }
6593
6594   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6595   {
6596     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6597         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6598       continue;
6599
6600     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6601   }
6602
6603   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6604 }
6605
6606 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6607 {
6608   int i;
6609
6610   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6611   {
6612     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6613         i == GADGET_ID_CUSTOM_COPY_TO ||
6614         i == GADGET_ID_CUSTOM_EXCHANGE ||
6615         i == GADGET_ID_CUSTOM_COPY ||
6616         i == GADGET_ID_CUSTOM_PASTE)
6617     {
6618       if (map)
6619         MapGadget(level_editor_gadget[i]);
6620       else
6621         UnmapGadget(level_editor_gadget[i]);
6622     }
6623   }
6624 }
6625
6626 static void MapLevelEditorToolboxCustomGadgets()
6627 {
6628   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6629 }
6630
6631 static void UnmapLevelEditorToolboxCustomGadgets()
6632 {
6633   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6634 }
6635
6636 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6637 {
6638   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6639   int i;
6640
6641   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6642   {
6643     if (i != GADGET_ID_SINGLE_ITEMS &&
6644         i != GADGET_ID_PICK_ELEMENT)
6645     {
6646       struct GadgetInfo *gi = level_editor_gadget[i];
6647
6648       if (map)
6649         MapGadget(gi);
6650       else
6651       {
6652         UnmapGadget(gi);
6653
6654         BlitBitmap(gd_bitmap, drawto,
6655                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6656                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6657                    gi->width, gi->height, gi->x, gi->y);
6658
6659         redraw_mask |= REDRAW_DOOR_3;
6660       }
6661     }
6662   }
6663 }
6664
6665 static void MapLevelEditorToolboxDrawingGadgets()
6666 {
6667   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6668 }
6669
6670 static void UnmapLevelEditorToolboxDrawingGadgets()
6671 {
6672   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6673 }
6674
6675 static void UnmapDrawingArea(int id)
6676 {
6677   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6678 }
6679
6680 static void UnmapLevelEditorFieldGadgets()
6681 {
6682   int i;
6683
6684   for (i = 0; i < num_editor_gadgets; i++)
6685     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6686                           level_editor_gadget[i]->y))
6687       UnmapGadget(level_editor_gadget[i]);
6688 }
6689
6690 void UnmapLevelEditorGadgets()
6691 {
6692   int i;
6693
6694   for (i = 0; i < num_editor_gadgets; i++)
6695     UnmapGadget(level_editor_gadget[i]);
6696 }
6697
6698 static void ResetUndoBuffer()
6699 {
6700   undo_buffer_position = -1;
6701   undo_buffer_steps = -1;
6702   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6703
6704   level.changed = FALSE;
6705 }
6706
6707 static void DrawEditModeWindow()
6708 {
6709   ModifyEditorElementList();
6710   RedrawDrawingElements();
6711
6712   if (edit_mode == ED_MODE_INFO)
6713     DrawLevelInfoWindow();
6714   else if (edit_mode == ED_MODE_PROPERTIES)
6715     DrawPropertiesWindow();
6716   else  /* edit_mode == ED_MODE_DRAWING */
6717     DrawDrawingWindow();
6718 }
6719
6720 static boolean LevelChanged()
6721 {
6722   boolean field_changed = FALSE;
6723   int x, y;
6724
6725   for (y = 0; y < lev_fieldy; y++)
6726     for (x = 0; x < lev_fieldx; x++)
6727       if (Feld[x][y] != level.field[x][y])
6728         field_changed = TRUE;
6729
6730   return (level.changed || field_changed);
6731 }
6732
6733 static boolean PrepareSavingIntoPersonalLevelSet()
6734 {
6735   static LevelDirTree *last_copied_leveldir = NULL;
6736   static LevelDirTree *last_written_leveldir = NULL;
6737   static int last_copied_level_nr = -1;
6738   static int last_written_level_nr = -1;
6739   LevelDirTree *leveldir_former = leveldir_current;
6740   int level_nr_former = level_nr;
6741   int new_level_nr;
6742
6743   // remember last mod/save so that for current session, we write
6744   // back to the same personal copy, asking only about overwrite.
6745   if (leveldir_current == last_copied_leveldir &&
6746       level_nr == last_copied_level_nr)
6747   {
6748     // "cd" to personal level set dir (as used when writing last copy)
6749     leveldir_current = last_written_leveldir;
6750     level_nr = last_written_level_nr;
6751
6752     return TRUE;
6753   }
6754
6755   if (!Request("This level is read only! "
6756                "Save into personal level set?", REQ_ASK))
6757     return FALSE;
6758
6759   // "cd" to personal level set dir (for writing copy the first time)
6760   leveldir_current =
6761     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6762
6763   // find unused level number
6764   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6765   {
6766     static char *level_filename = NULL;
6767
6768     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6769
6770     if (!fileExists(level_filename))
6771       break;
6772   }
6773
6774   last_copied_leveldir = leveldir_former;
6775   last_copied_level_nr = level_nr_former;
6776
6777   last_written_leveldir = leveldir_current;
6778   last_written_level_nr = level_nr = new_level_nr;
6779
6780   return TRUE;
6781 }
6782
6783 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6784 {
6785   static char *filename_levelinfo = NULL, *mod_name = NULL;
6786   FILE *file;
6787
6788   // annotate this copy-and-mod in personal levelinfo.conf
6789   setString(&filename_levelinfo,
6790             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6791
6792   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6793   {
6794     fprintf(file, "\n");
6795     fprintf(file, "# level %d was modified from:\n", level_nr);
6796     fprintf(file, "# - previous level set name:    %s\n",
6797             former_name);
6798     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6799             level.file_info.nr, level.name);
6800     fprintf(file, "# - previous author:            %s\n",
6801             level.author);
6802     fprintf(file, "# - previous save date:         ");
6803
6804     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6805     {
6806       fprintf(file, "%04d-%02d-%02d\n",
6807               level.creation_date.year,
6808               level.creation_date.month,
6809               level.creation_date.day);
6810     }
6811     else
6812     {
6813       fprintf(file, "not recorded\n");
6814     }
6815
6816     fclose(file);
6817   }
6818
6819   if (level_nr > leveldir_current->last_level)
6820   {
6821     static char *temp_levelinfo = NULL;
6822     FILE *temp_file = NULL;
6823     char line[MAX_LINE_LEN];
6824
6825     setString(&temp_levelinfo,
6826               getPath2(getCurrentLevelDir(),
6827                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6828
6829     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6830         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6831     {
6832       while (fgets(line, MAX_LINE_LEN, file))
6833       {
6834         if (!strPrefix(line, "levels:"))
6835           fputs(line, temp_file);
6836         else
6837           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6838       }
6839     }
6840
6841     if (temp_file)
6842       fclose(temp_file);
6843
6844     if (file)
6845       fclose(file);
6846
6847     // needs error handling; also, ok on dos/win?
6848     unlink(filename_levelinfo);
6849     rename(temp_levelinfo, filename_levelinfo);
6850   }
6851
6852   // else: allow the save even if annotation failed
6853
6854   // now... spray graffiti on the old level vital statistics
6855   // user can change these; just trying to set a good baseline
6856
6857   // don't truncate names for fear of making offensive or silly:
6858   // long-named original author only recorded in levelinfo.conf.
6859   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6860   if (!strEqual(level.author, leveldir_current->author))
6861   {
6862     setString(&mod_name, getStringCat3(leveldir_current->author,
6863                                        " after ", level.author));
6864
6865     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6866       setString(&mod_name,
6867                 getStringCat2(leveldir_current->author, " (ed.)"));
6868
6869     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6870       setString(&mod_name, leveldir_current->author);
6871
6872     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6873
6874     // less worried about truncation here
6875     setString(&mod_name, getStringCat2("Mod: ", level.name));
6876     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6877   }
6878 }
6879
6880 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6881                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6882 {
6883   int x, y;
6884
6885   for (x = 0; x < lev_fieldx; x++)
6886     for (y = 0; y < lev_fieldy; y++)
6887       dst[x][y] = src[x][y];
6888 }
6889
6890 static int setSelectboxValue(int selectbox_id, int new_value)
6891 {
6892   int new_index_value = 0;
6893   int i;
6894
6895   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6896     if (selectbox_info[selectbox_id].options[i].value == new_value)
6897       new_index_value = i;
6898
6899   *selectbox_info[selectbox_id].value =
6900     selectbox_info[selectbox_id].options[new_index_value].value;
6901
6902   return new_index_value;
6903 }
6904
6905 static void setSelectboxSpecialActionVariablesIfNeeded()
6906 {
6907   int i;
6908
6909   /* change action mode and arg variables according to action type variable */
6910   for (i = 0; action_arg_options[i].value != -1; i++)
6911   {
6912     if (action_arg_options[i].value == custom_element_change.action_type)
6913     {
6914       int mode = action_arg_options[i].mode;
6915
6916       /* only change if corresponding selectbox has changed */
6917       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6918           action_arg_modes[mode])
6919         custom_element_change.action_mode = -1;
6920
6921       /* only change if corresponding selectbox has changed */
6922       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6923           action_arg_options[i].options)
6924         custom_element_change.action_arg = -1;
6925
6926       break;
6927     }
6928   }
6929 }
6930
6931 static void setSelectboxSpecialActionOptions()
6932 {
6933   int i;
6934
6935   /* change action mode and arg selectbox according to action type selectbox */
6936   for (i = 0; action_arg_options[i].value != -1; i++)
6937   {
6938     if (action_arg_options[i].value == custom_element_change.action_type)
6939     {
6940       int mode = action_arg_options[i].mode;
6941
6942       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6943                                    action_arg_modes[mode]);
6944       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6945                                  custom_element_change.action_mode);
6946
6947       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6948                                    action_arg_options[i].options);
6949       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6950                                  custom_element_change.action_arg);
6951       break;
6952     }
6953   }
6954 }
6955
6956 static void copy_custom_element_settings(int element_from, int element_to)
6957 {
6958   struct ElementInfo *ei_from = &element_info[element_from];
6959   struct ElementInfo *ei_to = &element_info[element_to];
6960
6961   copyElementInfo(ei_from, ei_to);
6962 }
6963
6964 static void replace_custom_element_in_settings(int element_from,
6965                                                int element_to)
6966 {
6967   int i, j, x, y;
6968
6969   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6970   {
6971     struct ElementInfo *ei = &element_info[i];
6972
6973     for (y = 0; y < 3; y++)
6974       for (x = 0; x < 3; x++)
6975         if (ei->content.e[x][y] == element_from)
6976           ei->content.e[x][y] = element_to;
6977
6978     for (j = 0; j < ei->num_change_pages; j++)
6979     {
6980       struct ElementChangeInfo *change = &ei->change_page[j];
6981
6982       if (change->target_element == element_from)
6983         change->target_element = element_to;
6984
6985       if (change->initial_trigger_element == element_from)
6986         change->initial_trigger_element = element_to;
6987
6988       if (change->action_element == element_from)
6989         change->action_element = element_to;
6990
6991       for (y = 0; y < 3; y++)
6992         for (x = 0; x < 3; x++)
6993           if (change->target_content.e[x][y] == element_from)
6994             change->target_content.e[x][y] = element_to;
6995     }
6996
6997     if (ei->group != NULL)                              /* group or internal */
6998       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6999         if (ei->group->element[j] == element_from)
7000           ei->group->element[j] = element_to;
7001   }
7002 }
7003
7004 static void replace_custom_element_in_playfield(int element_from,
7005                                                 int element_to)
7006 {
7007   int x, y;
7008
7009   for (x = 0; x < lev_fieldx; x++)
7010     for (y = 0; y < lev_fieldy; y++)
7011       if (Feld[x][y] == element_from)
7012         Feld[x][y] = element_to;
7013 }
7014
7015 static boolean CopyCustomElement(int element_old, int element_new,
7016                                  int copy_mode)
7017 {
7018   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7019   {
7020     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7021                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7022     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7023   }
7024   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7025   {
7026     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7027                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7028     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7029
7030     level.changed = TRUE;
7031   }
7032   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7033   {
7034     Request("Please choose custom element!", REQ_CONFIRM);
7035
7036     return FALSE;
7037   }
7038   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7039   {
7040     Request("Please choose group element!", REQ_CONFIRM);
7041
7042     return FALSE;
7043   }
7044   else
7045   {
7046     level.changed = TRUE;
7047   }
7048
7049   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7050   {
7051     copy_custom_element_settings(element_new, element_old);
7052   }
7053   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7054   {
7055     copy_custom_element_settings(element_old, element_new);
7056   }
7057   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7058   {
7059     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7060     copy_custom_element_settings(element_new, element_old);
7061     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7062
7063     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7064     replace_custom_element_in_settings(element_new, element_old);
7065     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7066
7067     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7068     replace_custom_element_in_playfield(element_new, element_old);
7069     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7070   }
7071
7072   UpdateCustomElementGraphicGadgets();
7073   DrawPropertiesWindow();
7074
7075   return TRUE;
7076 }
7077
7078 static void CopyCustomElementPropertiesToEditor(int element)
7079 {
7080   int i;
7081   int current_change_page = element_info[element].current_change_page;
7082
7083   /* dynamically (re)build selectbox for selecting change page */
7084   for (i = 0; i < element_info[element].num_change_pages; i++)
7085   {
7086     sprintf(options_change_page_strings[i], "%d", i + 1);
7087
7088     options_change_page[i].value = i;
7089     options_change_page[i].text = options_change_page_strings[i];
7090   }
7091
7092   options_change_page[i].value = -1;
7093   options_change_page[i].text = NULL;
7094
7095   /* needed here to initialize combined element properties */
7096   InitElementPropertiesEngine(level.game_version);
7097
7098   element_info[element].change =
7099     &element_info[element].change_page[current_change_page];
7100
7101   custom_element = element_info[element];
7102   custom_element_change = *element_info[element].change;
7103
7104   /* needed to initially set selectbox options for special action options */
7105   setSelectboxSpecialActionOptions();
7106
7107   /* needed to initially set selectbox value variables to reliable defaults */
7108   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7109     setSelectboxValue(i, *selectbox_info[i].value);
7110
7111   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7112     custom_element_properties[i] = HAS_PROPERTY(element, i);
7113
7114   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7115     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7116
7117   /* ---------- element settings: configure (custom elements) ------------- */
7118
7119   /* set accessible layer selectbox help value */
7120   custom_element.access_type =
7121     (IS_WALKABLE(element) ? EP_WALKABLE :
7122      IS_PASSABLE(element) ? EP_PASSABLE :
7123      custom_element.access_type);
7124   custom_element.access_layer =
7125     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7126      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7127      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7128      custom_element.access_layer);
7129   custom_element.access_protected =
7130     (IS_PROTECTED(element) ? 1 : 0);
7131   custom_element_properties[EP_ACCESSIBLE] =
7132     (IS_ACCESSIBLE_OVER(element) ||
7133      IS_ACCESSIBLE_INSIDE(element) ||
7134      IS_ACCESSIBLE_UNDER(element));
7135
7136   /* set walk-to-object action selectbox help value */
7137   custom_element.walk_to_action =
7138     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7139      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7140      IS_DROPPABLE(element) ? EP_DROPPABLE :
7141      IS_THROWABLE(element) ? EP_THROWABLE :
7142      IS_PUSHABLE(element) ? EP_PUSHABLE :
7143      custom_element.walk_to_action);
7144   custom_element_properties[EP_WALK_TO_OBJECT] =
7145     (IS_DIGGABLE(element) ||
7146      IS_COLLECTIBLE_ONLY(element) ||
7147      IS_DROPPABLE(element) ||
7148      IS_THROWABLE(element) ||
7149      IS_PUSHABLE(element));
7150
7151   /* set smash targets selectbox help value */
7152   custom_element.smash_targets =
7153     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7154      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7155      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7156      custom_element.smash_targets);
7157   custom_element_properties[EP_CAN_SMASH] =
7158     (CAN_SMASH_EVERYTHING(element) ||
7159      CAN_SMASH_ENEMIES(element) ||
7160      CAN_SMASH_PLAYER(element));
7161
7162   /* set deadliness selectbox help value */
7163   custom_element.deadliness =
7164     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7165      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7166      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7167      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7168      custom_element.deadliness);
7169   custom_element_properties[EP_DEADLY] =
7170     (DONT_TOUCH(element) ||
7171      DONT_GET_HIT_BY(element) ||
7172      DONT_COLLIDE_WITH(element) ||
7173      DONT_RUN_INTO(element));
7174
7175   /* ---------- element settings: advanced (custom elements) --------------- */
7176
7177   /* set "change by direct action" selectbox help value */
7178   custom_element_change.direct_action =
7179     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7180      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7181      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7182      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7183      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7184      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7185      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7186      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7187      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7188      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7189      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7190      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7191      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7192      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7193      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7194      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7195      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7196      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7197      custom_element_change.direct_action);
7198
7199   /* set "change by other element action" selectbox help value */
7200   custom_element_change.other_action =
7201     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7202      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7203      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7204      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7205      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7206      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7207      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7208      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7209      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7210      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7211      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7212      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7213      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7214      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7215      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7216      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7217      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7218      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7219      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7220      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7221      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7222      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7223      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7224      custom_element_change.other_action);
7225 }
7226
7227 static void CopyGroupElementPropertiesToEditor(int element)
7228 {
7229   group_element_info = *element_info[element].group;
7230   custom_element = element_info[element];       /* needed for description */
7231 }
7232
7233 static void CopyClassicElementPropertiesToEditor(int element)
7234 {
7235   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7236     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7237       getMoveIntoAcidProperty(&level, element);
7238
7239   if (MAYBE_DONT_COLLIDE_WITH(element))
7240     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7241       getDontCollideWithProperty(&level, element);
7242 }
7243
7244 static void CopyElementPropertiesToEditor(int element)
7245 {
7246   if (IS_CUSTOM_ELEMENT(element))
7247     CopyCustomElementPropertiesToEditor(element);
7248   else if (IS_GROUP_ELEMENT(element))
7249     CopyGroupElementPropertiesToEditor(element);
7250   else
7251     CopyClassicElementPropertiesToEditor(element);
7252 }
7253
7254 static void CopyCustomElementPropertiesToGame(int element)
7255 {
7256   int i;
7257   int access_type_and_layer;
7258
7259   /* mark that this custom element has been modified */
7260   custom_element.modified_settings = TRUE;
7261   level.changed = TRUE;
7262
7263   if (level.use_custom_template)
7264   {
7265     if (Request("Copy and modify level template?", REQ_ASK))
7266     {
7267       level.use_custom_template = FALSE;
7268       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7269                    GDI_CHECKED, FALSE, GDI_END);
7270     }
7271     else
7272     {
7273       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7274
7275       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7276     }
7277   }
7278
7279   element_info[element] = custom_element;
7280   *element_info[element].change = custom_element_change;
7281
7282   /* ---------- element settings: configure (custom elements) ------------- */
7283
7284   /* set accessible property from checkbox and selectbox */
7285   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7286   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7287   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7288   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7289   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7290   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7291   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7292                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7293                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7294   custom_element_properties[access_type_and_layer] =
7295     custom_element_properties[EP_ACCESSIBLE];
7296   custom_element_properties[EP_PROTECTED] =
7297     (custom_element.access_protected != 0 &&
7298      custom_element_properties[EP_ACCESSIBLE]);
7299
7300   /* set walk-to-object property from checkbox and selectbox */
7301   custom_element_properties[EP_DIGGABLE] = FALSE;
7302   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7303   custom_element_properties[EP_DROPPABLE] = FALSE;
7304   custom_element_properties[EP_THROWABLE] = FALSE;
7305   custom_element_properties[EP_PUSHABLE] = FALSE;
7306   custom_element_properties[custom_element.walk_to_action] =
7307     custom_element_properties[EP_WALK_TO_OBJECT];
7308
7309   /* set smash property from checkbox and selectbox */
7310   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7311   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7312   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7313   custom_element_properties[custom_element.smash_targets] =
7314     custom_element_properties[EP_CAN_SMASH];
7315
7316   /* set deadliness property from checkbox and selectbox */
7317   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7318   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7319   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7320   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7321   custom_element_properties[custom_element.deadliness] =
7322     custom_element_properties[EP_DEADLY];
7323
7324   /* ---------- element settings: advanced (custom elements) --------------- */
7325
7326   /* set player change event from checkbox and selectbox */
7327   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7328   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7329   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7330   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7331   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7332   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7333   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7334   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7335   custom_element_change_events[CE_SWITCHED] = FALSE;
7336   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7337   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7338   custom_element_change_events[CE_BLOCKED] = FALSE;
7339   custom_element_change_events[CE_IMPACT] = FALSE;
7340   custom_element_change_events[CE_SMASHED] = FALSE;
7341   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7342   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7343   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7344   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7345   custom_element_change_events[custom_element_change.direct_action] =
7346     custom_element_change_events[CE_BY_DIRECT_ACTION];
7347
7348   /* set other element action change event from checkbox and selectbox */
7349   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7350   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7351   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7352   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7353   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7354   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7355   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7356   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7357   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7358   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7359   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7360   custom_element_change_events[CE_HITTING_X] = FALSE;
7361   custom_element_change_events[CE_DIGGING_X] = FALSE;
7362   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7363   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7364   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7365   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7366   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7367   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7368   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7369   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7370   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7371   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7372   custom_element_change_events[custom_element_change.other_action] =
7373     custom_element_change_events[CE_BY_OTHER_ACTION];
7374
7375   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7376     SET_PROPERTY(element, i, custom_element_properties[i]);
7377
7378   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7379     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7380
7381   /* copy change events also to special level editor variable */
7382   custom_element = element_info[element];
7383   custom_element_change = *element_info[element].change;
7384 }
7385
7386 static void CopyGroupElementPropertiesToGame(int element)
7387 {
7388   element_info[element] = custom_element;
7389   *element_info[element].group = group_element_info;
7390
7391   /* mark that this group element has been modified */
7392   element_info[element].modified_settings = TRUE;
7393   level.changed = TRUE;
7394 }
7395
7396 static void CopyClassicElementPropertiesToGame(int element)
7397 {
7398   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7399     setMoveIntoAcidProperty(&level, element,
7400                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7401
7402   if (MAYBE_DONT_COLLIDE_WITH(element))
7403     setDontCollideWithProperty(&level, element,
7404                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7405 }
7406
7407 static void CopyElementPropertiesToGame(int element)
7408 {
7409   if (IS_CUSTOM_ELEMENT(element))
7410     CopyCustomElementPropertiesToGame(element);
7411   else if (IS_GROUP_ELEMENT(element))
7412     CopyGroupElementPropertiesToGame(element);
7413   else
7414     CopyClassicElementPropertiesToGame(element);
7415 }
7416
7417 void CheckElementDescriptions()
7418 {
7419   int i;
7420
7421   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7422     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7423       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7424 }
7425
7426 static boolean playfield_area_changed = FALSE;
7427
7428 void DrawLevelEd()
7429 {
7430   StopAnimation();
7431
7432   CloseDoor(DOOR_CLOSE_ALL);
7433
7434   FadeOut(REDRAW_FIELD);
7435
7436   /* needed after playing if editor playfield area has different size */
7437   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7438
7439   /* needed if different viewport properties defined for editor */
7440   ChangeViewportPropertiesIfNeeded();
7441
7442   playfield_area_changed = DrawingAreaChanged();
7443
7444   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7445
7446 #if DEBUG
7447   CheckElementDescriptions();
7448 #endif
7449
7450   if (level_editor_test_game)
7451   {
7452     CopyPlayfield(level.field, Feld);
7453     CopyPlayfield(FieldBackup, level.field);
7454
7455     level_editor_test_game = FALSE;
7456   }
7457   else
7458   {
7459     edit_mode = ED_MODE_DRAWING;
7460     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7461     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7462
7463     ResetUndoBuffer();
7464
7465     level_xpos = -1;
7466     level_ypos = -1;
7467   }
7468
7469   /* needed for gadgets drawn on background (like palette scrollbar) */
7470   SetDoorBackgroundImage(IMG_UNDEFINED);
7471
7472   /* copy default editor door content to main double buffer */
7473   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7474              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7475              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7476              DXSIZE, DYSIZE, DX, DY);
7477
7478   /* draw bigger door */
7479   DrawSpecialEditorDoor();
7480
7481   /* draw new control window */
7482   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7483              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7484
7485   // redraw_mask |= REDRAW_ALL;
7486
7487   FreeLevelEditorGadgets();
7488   CreateLevelEditorGadgets();
7489
7490   ReinitializeElementList();            /* update dynamic level element list */
7491   ReinitializeElementListButtons();     /* custom element may look different */
7492
7493   InitElementPropertiesGfxElement();
7494
7495   UnmapAllGadgets();
7496   MapControlButtons();
7497
7498   DrawEditModeWindow();
7499
7500   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7501
7502   /* copy actual editor door content to door double buffer for OpenDoor() */
7503   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7504 }
7505
7506 static void AdjustDrawingAreaGadgets()
7507 {
7508   int ed_xsize = lev_fieldx + 2;
7509   int ed_ysize = lev_fieldy + 2;
7510   int max_ed_fieldx = MAX_ED_FIELDX;
7511   int max_ed_fieldy = MAX_ED_FIELDY;
7512   boolean horizontal_scrollbar_needed;
7513   boolean vertical_scrollbar_needed;
7514   int x, y, width, height;
7515   int xoffset, yoffset;
7516
7517   /* check if we need any scrollbars */
7518   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7519   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7520
7521   /* check if we have a smaller editor field because of scrollbars */
7522   if (horizontal_scrollbar_needed)
7523     max_ed_fieldy = MAX_ED_FIELDY - 1;
7524   if (vertical_scrollbar_needed)
7525     max_ed_fieldx = MAX_ED_FIELDX - 1;
7526
7527   /* check again if we now need more scrollbars because of less space */
7528   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7529   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7530
7531   /* check if editor field gets even smaller after adding new scrollbars */
7532   if (horizontal_scrollbar_needed)
7533     max_ed_fieldy = MAX_ED_FIELDY - 1;
7534   if (vertical_scrollbar_needed)
7535     max_ed_fieldx = MAX_ED_FIELDX - 1;
7536
7537   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7538   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7539
7540   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7541                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7542                GDI_END);
7543
7544   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7545   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7546
7547   x = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7548   y = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7549
7550   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7551   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7552
7553   width  = scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7554   height = scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7555
7556   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7557                GDI_WIDTH, width,
7558                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7559                GDI_END);
7560   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7561                GDI_HEIGHT, height,
7562                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7563                GDI_END);
7564 }
7565
7566 static void AdjustLevelScrollPosition()
7567 {
7568   if (level_xpos < -1)
7569     level_xpos = -1;
7570   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7571     level_xpos = lev_fieldx - ed_fieldx + 1;
7572   if (lev_fieldx < ed_fieldx - 2)
7573     level_xpos = -1;
7574
7575   if (level_ypos < -1)
7576     level_ypos = -1;
7577   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7578     level_ypos = lev_fieldy - ed_fieldy + 1;
7579   if (lev_fieldy < ed_fieldy - 2)
7580     level_ypos = -1;
7581 }
7582
7583 static void AdjustEditorScrollbar(int id)
7584 {
7585   struct GadgetInfo *gi = level_editor_gadget[id];
7586   int items_max, items_visible, item_position;
7587
7588   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7589   {
7590     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7591     items_visible = ed_fieldx;
7592     item_position = level_xpos + 1;
7593   }
7594   else
7595   {
7596     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7597     items_visible = ed_fieldy;
7598     item_position = level_ypos + 1;
7599   }
7600
7601   if (item_position > items_max - items_visible)
7602     item_position = items_max - items_visible;
7603
7604   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7605                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7606 }
7607
7608 static void AdjustElementListScrollbar()
7609 {
7610   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7611   int items_max, items_visible, item_position;
7612
7613   /* correct position of element list scrollbar */
7614   if (element_shift < 0)
7615     element_shift = 0;
7616   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7617     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7618
7619   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7620   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7621   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7622
7623   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7624                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7625                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7626 }
7627
7628 static void ModifyEditorCounterValue(int counter_id, int new_value)
7629 {
7630   int *counter_value = counterbutton_info[counter_id].value;
7631   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7632   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7633
7634   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7635
7636   if (counter_value != NULL)
7637     *counter_value = gi->textinput.number_value;
7638 }
7639
7640 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7641 {
7642   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7643   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7644
7645   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7646
7647   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7648       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7649   {
7650     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7651     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7652
7653     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7654     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7655   }
7656 }
7657
7658 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7659 {
7660   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7661   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7662   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7663
7664   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7665 }
7666
7667 static void ModifyEditorSelectboxOptions(int selectbox_id,
7668                                          struct ValueTextInfo *options)
7669 {
7670   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7671   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7672
7673   selectbox_info[selectbox_id].options = options;
7674
7675   /* set index to zero -- list may be shorter now (correct later, if needed) */
7676   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7677                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7678 }
7679
7680 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7681 {
7682   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7683   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7684
7685   drawingarea_info[drawingarea_id].area_xsize = xsize;
7686   drawingarea_info[drawingarea_id].area_ysize = ysize;
7687
7688   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7689 }
7690
7691 static void ModifyEditorElementList()
7692 {
7693   int i;
7694
7695   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7696   {
7697     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7698     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7699     struct GadgetDesign *gd = &gi->deco.design;
7700     int element = editor_elements[element_shift + i];
7701
7702     UnmapGadget(gi);
7703
7704     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7705
7706     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7707
7708     MapGadget(gi);
7709   }
7710 }
7711
7712 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7713 {
7714   int graphic = el2edimg(element);
7715   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7716
7717   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7718 }
7719
7720 static void PickDrawingElement(int button, int element)
7721 {
7722   struct
7723   {
7724     int *new_element;
7725     struct EditorPaletteElementInfo *e;
7726   } de, drawing_elements[] =
7727   {
7728     { &new_element1,    &editor.palette.element_left    },
7729     { &new_element2,    &editor.palette.element_middle  },
7730     { &new_element3,    &editor.palette.element_right   },
7731   };
7732
7733   if (button < 1 || button > 3)
7734     return;
7735
7736   de = drawing_elements[button - 1];
7737
7738   DrawDrawingElement((*de.new_element = element), de.e);
7739
7740   redraw_mask |= REDRAW_DOOR_1;
7741 }
7742
7743 static void RedrawDrawingElements()
7744 {
7745   PickDrawingElement(1, new_element1);
7746   PickDrawingElement(2, new_element2);
7747   PickDrawingElement(3, new_element3);
7748 }
7749
7750 static void DrawDrawingWindow()
7751 {
7752   stick_element_properties_window = FALSE;
7753
7754   SetMainBackgroundImage(IMG_UNDEFINED);
7755   ClearField();
7756
7757   UnmapLevelEditorFieldGadgets();
7758   UnmapLevelEditorToolboxCustomGadgets();
7759
7760   AdjustDrawingAreaGadgets();
7761   AdjustLevelScrollPosition();
7762   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7763   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7764
7765   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7766
7767   MapMainDrawingArea();
7768   MapLevelEditorToolboxDrawingGadgets();
7769 }
7770
7771 static int getTabulatorBarWidth()
7772 {
7773   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7774   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7775
7776   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7777 }
7778
7779 static void DrawLevelInfoTabulatorGadgets()
7780 {
7781   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7782   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7783   int gd_x = gd->x + gd_gi1->border.width / 2;
7784   int gd_y = gd->y + gd_gi1->height - 1;
7785   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7786   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7787   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7788   int i;
7789
7790   for (i = id_first; i <= id_last; i++)
7791   {
7792     int gadget_id = textbutton_info[i].gadget_id;
7793     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7794     boolean active = (i != edit_mode_levelinfo);
7795
7796     /* draw background line below tabulator button */
7797     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7798
7799     /* draw solid line below inactive tabulator buttons */
7800     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7801       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7802
7803     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7804     MapTextbuttonGadget(i);
7805   }
7806
7807   /* draw little border line below tabulator buttons */
7808   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7809     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7810                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7811                   tab_color);
7812 }
7813
7814 static void DrawPropertiesTabulatorGadgets()
7815 {
7816   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7817   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7818   int gd_x = gd->x + gd_gi1->border.width / 2;
7819   int gd_y = gd->y + gd_gi1->height - 1;
7820   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7821   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7822   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7823   int i;
7824
7825   /* draw two config tabulators for player elements */
7826   if (ELEM_IS_PLAYER(properties_element))
7827     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7828
7829   /* draw two config and one "change" tabulator for custom elements */
7830   if (IS_CUSTOM_ELEMENT(properties_element))
7831     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7832
7833   for (i = id_first; i <= id_last; i++)
7834   {
7835     int gadget_id = textbutton_info[i].gadget_id;
7836     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7837     boolean active = (i != edit_mode_properties);
7838
7839     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7840     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7841         (ELEM_IS_PLAYER(properties_element) ||
7842          IS_CUSTOM_ELEMENT(properties_element)))
7843       continue;
7844
7845     /* draw background line below tabulator button */
7846     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7847
7848     /* draw solid line below inactive tabulator buttons */
7849     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7850       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7851
7852     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7853     MapTextbuttonGadget(i);
7854   }
7855
7856   /* draw little border line below tabulator buttons */
7857   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7858     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7859                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7860                   tab_color);
7861 }
7862
7863 static void DrawLevelInfoLevel()
7864 {
7865   int i;
7866
7867   /* draw counter gadgets */
7868   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7869     MapCounterButtons(i);
7870
7871   /* draw selectbox gadgets */
7872   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7873     MapSelectboxGadget(i);
7874
7875   /* draw text input gadgets */
7876   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7877     MapTextInputGadget(i);
7878 }
7879
7880 static void DrawLevelInfoEditor()
7881 {
7882   int i;
7883
7884   /* draw counter gadgets */
7885   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7886     MapCounterButtons(i);
7887
7888   /* draw checkbutton gadgets */
7889   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7890     MapCheckbuttonGadget(i);
7891
7892   /* draw radiobutton gadgets */
7893   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7894     MapRadiobuttonGadget(i);
7895
7896   /* draw drawing area */
7897   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7898 }
7899
7900 static void DrawLevelInfoWindow()
7901 {
7902   stick_element_properties_window = FALSE;
7903
7904   UnmapLevelEditorFieldGadgets();
7905
7906   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7907   ClearField();
7908
7909   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7910
7911   DrawLevelInfoTabulatorGadgets();
7912
7913   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7914     DrawLevelInfoLevel();
7915   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7916     DrawLevelInfoEditor();
7917 }
7918
7919 static void DrawCustomContentArea()
7920 {
7921   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7922   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7923   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7924   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7925   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7926   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7927
7928   /* add distance for potential left text (without drawing area border) */
7929   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7930
7931   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7932
7933   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7934 }
7935
7936 static void DrawCustomChangeContentArea()
7937 {
7938   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7939   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7940   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7941   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7942   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7943   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7944
7945   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7946
7947   MapDrawingArea(id);
7948 }
7949
7950 static void DrawYamYamContentAreas()
7951 {
7952   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7953   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7954   int i;
7955
7956   /* display counter to choose number of element content areas */
7957   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7958
7959   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7960   {
7961     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7962
7963     if (i < level.num_yamyam_contents)
7964     {
7965       MapDrawingArea(id);
7966     }
7967     else
7968     {
7969       int font_height = getFontHeight(FONT_TEXT_1);
7970
7971       UnmapDrawingArea(id);
7972
7973       /* delete content areas in case of reducing number of them */
7974       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7975                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7976                      4 * MINI_TILEX,
7977                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7978     }
7979   }
7980
7981   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7982   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7983   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7984 }
7985
7986 static void DrawMagicBallContentAreas()
7987 {
7988   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7989   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7990   int i;
7991
7992   /* display counter to choose number of element content areas */
7993   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7994
7995   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7996   {
7997     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7998
7999     if (i < level.num_ball_contents)
8000     {
8001       MapDrawingArea(id);
8002     }
8003     else
8004     {
8005       int font_height = getFontHeight(FONT_TEXT_1);
8006
8007       UnmapDrawingArea(id);
8008
8009       /* delete content areas in case of reducing number of them */
8010       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8011                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8012                      4 * MINI_TILEX,
8013                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8014     }
8015   }
8016
8017   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
8018   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
8019   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
8020 }
8021
8022 static void DrawAndroidElementArea(int element)
8023 {
8024   int num_elements = level.num_android_clone_elements;
8025   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8026   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8027   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8028   int xsize = MAX_ANDROID_ELEMENTS;
8029   int ysize = 1;
8030
8031   /* display counter to choose number of element areas */
8032   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8033
8034   if (drawingarea_info[id].text_left != NULL)
8035     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8036
8037   UnmapDrawingArea(id);
8038
8039   ModifyEditorDrawingArea(id, num_elements, 1);
8040
8041   /* delete content areas in case of reducing number of them */
8042   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8043
8044   MapDrawingArea(id);
8045 }
8046
8047 static void DrawGroupElementArea(int element)
8048 {
8049   int num_elements = group_element_info.num_elements;
8050   int id = ED_DRAWING_ID_GROUP_CONTENT;
8051   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8052   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8053   int xsize = MAX_ELEMENTS_IN_GROUP;
8054   int ysize = 1;
8055
8056   if (drawingarea_info[id].text_left != NULL)
8057     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8058
8059   UnmapDrawingArea(id);
8060
8061   ModifyEditorDrawingArea(id, num_elements, 1);
8062
8063   /* delete content areas in case of reducing number of them */
8064   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8065
8066   MapDrawingArea(id);
8067 }
8068
8069 static void DrawPlayerInitialInventoryArea(int element)
8070 {
8071   int player_nr = GET_PLAYER_NR(element);
8072   int num_elements = level.initial_inventory_size[player_nr];
8073   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8074   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8075   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8076   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8077   int ysize = 1;
8078
8079   /* determine horizontal position to the right of specified gadget */
8080   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8081     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8082            ED_DRAWINGAREA_TEXT_DISTANCE);
8083
8084   /* determine horizontal offset for leading text */
8085   if (drawingarea_info[id].text_left != NULL)
8086     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8087
8088   UnmapDrawingArea(id);
8089
8090   ModifyEditorDrawingArea(id, num_elements, 1);
8091
8092   /* delete content areas in case of reducing number of them */
8093   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8094
8095   MapDrawingArea(id);
8096 }
8097
8098 static void DrawEnvelopeTextArea(int envelope_nr)
8099 {
8100   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8101   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8102
8103   UnmapGadget(gi);
8104   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8105
8106   if (envelope_nr != -1)
8107     textarea_info[id].value = level.envelope[envelope_nr].text;
8108
8109   ModifyGadget(gi, GDI_AREA_SIZE,
8110                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8111                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8112                GDI_END);
8113
8114   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8115 }
8116
8117 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8118 {
8119   int font_height = getFontHeight(font_nr);
8120   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8121   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8122   int sx = SX + pad_x;
8123   int sy = SY + pad_y;
8124   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8125
8126   if (start_line >= max_lines_per_screen)
8127     return FALSE;
8128
8129   DrawText(sx, sy + start_line * font_height, text, font_nr);
8130
8131   return TRUE;
8132 }
8133
8134 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8135 {
8136   int font_nr = FONT_TEXT_2;
8137   int font_width = getFontWidth(font_nr);
8138   int font_height = getFontHeight(font_nr);
8139   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8140   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8141   int sx = SX + pad_x;
8142   int sy = SY + pad_y + start_line * font_height;
8143   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8144   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8145   int max_lines_drawable = max_lines_per_screen - start_line;
8146
8147   if (start_line >= max_lines_per_screen)
8148     return FALSE;
8149
8150   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8151                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8152 }
8153
8154 static void DrawPropertiesInfo()
8155 {
8156   static struct
8157   {
8158     int value;
8159     char *text;
8160   }
8161   properties[] =
8162   {
8163     /* configurable properties */
8164
8165     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8166     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8167     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8168     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8169     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8170     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8171     { EP_PROTECTED,             "- player is protected by it"           },
8172
8173     { EP_DIGGABLE,              "- can be digged away"                  },
8174     { EP_COLLECTIBLE,           "- can be collected"                    },
8175     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8176     { EP_THROWABLE,             "- can be thrown after collecting"      },
8177     { EP_PUSHABLE,              "- can be pushed"                       },
8178
8179     { EP_CAN_FALL,              "- can fall"                            },
8180     { EP_CAN_MOVE,              "- can move"                            },
8181
8182     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8183 #if 0
8184     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8185 #endif
8186     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8187
8188     { EP_SLIPPERY,              "- slippery for falling elements"       },
8189     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8190
8191     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8192     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8193     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8194     { EP_DONT_TOUCH,            "- deadly when touching"                },
8195
8196     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8197
8198     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8199     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8200     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8201
8202     { EP_CAN_CHANGE,            "- can change to other element"         },
8203
8204     /* pre-defined properties */
8205     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8206     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8207     { EP_SWITCHABLE,            "- can be switched"                     },
8208 #if 0
8209     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8210 #endif
8211
8212     { -1,                       NULL                                    }
8213   };
8214   char *filename = getElementDescriptionFilename(properties_element);
8215   char *percentage_text = "In this level: ";
8216   char *properties_text = "Standard properties: ";
8217   float percentage;
8218   int num_elements_in_level;
8219   int num_standard_properties = 0;
8220   int font1_nr = FONT_TEXT_1;
8221   int font2_nr = FONT_TEXT_2;
8222   int font1_width = getFontWidth(font1_nr);
8223   int font2_height = getFontHeight(font2_nr);
8224   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8225   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8226   int screen_line = 0;
8227   int i, x, y;
8228
8229   if (setup.editor.show_element_token)
8230   {
8231     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8232               "[%s]", element_info[properties_element].token_name);
8233     screen_line++;
8234   }
8235
8236   /* ----- print number of elements / percentage of this element in level */
8237
8238   num_elements_in_level = 0;
8239   for (y = 0; y < lev_fieldy; y++)
8240     for (x = 0; x < lev_fieldx; x++)
8241       if (Feld[x][y] == properties_element)
8242         num_elements_in_level++;
8243   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8244
8245   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8246             percentage_text);
8247   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8248             pad_y + screen_line++ * font2_height, font2_nr,
8249             "%d (%.2f%%)", num_elements_in_level, percentage);
8250
8251   screen_line++;
8252
8253   /* ----- print standard properties of this element */
8254
8255   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8256             properties_text);
8257
8258   for (i = 0; properties[i].value != -1; i++)
8259   {
8260     if (!HAS_PROPERTY(properties_element, properties[i].value))
8261       continue;
8262
8263     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8264               properties[i].text);
8265     num_standard_properties++;
8266   }
8267
8268   if (num_standard_properties == 0)
8269     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8270               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8271
8272   screen_line++;
8273
8274   /* ----- print special description of this element */
8275
8276   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8277   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8278     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8279 }
8280
8281 #define TEXT_COLLECTING         "Score for collecting"
8282 #define TEXT_SMASHING           "Score for smashing"
8283 #define TEXT_SLURPING           "Score for slurping robot"
8284 #define TEXT_CRACKING           "Score for cracking"
8285 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8286 #define TEXT_DURATION           "Duration when activated"
8287 #define TEXT_BALL_DELAY         "Element generation delay"
8288 #define TEXT_MOVE_SPEED         "Speed of android moving"
8289 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8290 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8291 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8292 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8293 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8294 #define TEXT_TIME_BONUS         "Extra time to solve level"
8295
8296 static struct
8297 {
8298   int element;
8299   int *value;
8300   char *text;
8301 } elements_with_counter[] =
8302 {
8303   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8304   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8305   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8306   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8307   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8308   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8309   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8310   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8311   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8312   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8313   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8314   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8315   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8316   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8317   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8318   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8319   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8320   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8321   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8322   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8323   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8324   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8325   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8326   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8327   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8328   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8329   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8330   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8331   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8332   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8333   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8334   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8335   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8336   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8337   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8338   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8339   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8340   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8341   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8342   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8343   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8344   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8345   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8346   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8347   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8348   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8349   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8350   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8351   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8352   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8353   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8354   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8355   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8356   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8357   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8358   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8359   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8360   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8361   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8362   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8363   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8364   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8365   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8366   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8367   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8368   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8369   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8370   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8371   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8372   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8373   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8374   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8375   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8376   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8377
8378   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8379   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8380   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8381   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8382   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8383   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8384   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8385   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8386   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8387   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8388   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8389   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8390   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8391   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8392   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8393   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8394
8395   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8396   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8397   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8398   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8399   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8400   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8401   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8402   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8403
8404   { -1,                 NULL,                           NULL            }
8405 };
8406
8407 static boolean checkPropertiesConfig(int element)
8408 {
8409   int i;
8410
8411   if (IS_GEM(element) ||
8412       IS_CUSTOM_ELEMENT(element) ||
8413       IS_GROUP_ELEMENT(element) ||
8414       IS_ENVELOPE(element) ||
8415       ELEM_IS_PLAYER(element) ||
8416       HAS_EDITOR_CONTENT(element) ||
8417       CAN_GROW(element) ||
8418       COULD_MOVE_INTO_ACID(element) ||
8419       MAYBE_DONT_COLLIDE_WITH(element) ||
8420       element == EL_SOKOBAN_OBJECT ||
8421       element == EL_SOKOBAN_FIELD_EMPTY ||
8422       element == EL_SOKOBAN_FIELD_FULL)
8423     return TRUE;
8424   else
8425     for (i = 0; elements_with_counter[i].element != -1; i++)
8426       if (elements_with_counter[i].element == element)
8427         return TRUE;
8428
8429   return FALSE;
8430 }
8431
8432 static void DrawPropertiesConfig()
8433 {
8434   int max_num_element_counters = 4;
8435   int num_element_counters = 0;
8436   int i;
8437
8438   if (!checkPropertiesConfig(properties_element))
8439   {
8440     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8441
8442     return;
8443   }
8444
8445   /* check if there are elements where a value can be chosen for */
8446   for (i = 0; elements_with_counter[i].element != -1; i++)
8447   {
8448     if (elements_with_counter[i].element == properties_element)
8449     {
8450       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8451
8452       counterbutton_info[counter_id].y =
8453         ED_ELEMENT_SETTINGS_YPOS(
8454                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8455                 (CAN_GROW(properties_element)                ? 1 : 0) +
8456                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8457                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8458                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8459                 num_element_counters);
8460
8461       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8462       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8463
8464       if (properties_element == EL_GAME_OF_LIFE ||
8465           properties_element == EL_BIOMAZE)
8466       {
8467         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8468         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8469       }
8470       else
8471       {
8472         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8473         counterbutton_info[counter_id].min_value = MIN_SCORE;
8474         counterbutton_info[counter_id].max_value = MAX_SCORE;
8475       }
8476
8477       MapCounterButtons(counter_id);
8478
8479       num_element_counters++;
8480       if (num_element_counters >= max_num_element_counters)
8481         break;
8482     }
8483   }
8484
8485   if (HAS_EDITOR_CONTENT(properties_element))
8486   {
8487     /* draw stickybutton gadget */
8488     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8489
8490     if (IS_AMOEBOID(properties_element))
8491       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8492     else if (properties_element == EL_YAMYAM ||
8493              properties_element == EL_YAMYAM_LEFT ||
8494              properties_element == EL_YAMYAM_RIGHT ||
8495              properties_element == EL_YAMYAM_UP ||
8496              properties_element == EL_YAMYAM_DOWN)
8497       DrawYamYamContentAreas();
8498     else if (properties_element == EL_EMC_MAGIC_BALL)
8499     {
8500       DrawMagicBallContentAreas();
8501
8502       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8503       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8504     }
8505     else if (properties_element == EL_EMC_ANDROID)
8506       DrawAndroidElementArea(properties_element);
8507   }
8508
8509   if (ELEM_IS_PLAYER(properties_element))
8510   {
8511     int player_nr = GET_PLAYER_NR(properties_element);
8512
8513     /* these properties can be set for every player individually */
8514
8515     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8516     {
8517       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8518         &level.start_element[player_nr];
8519       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8520         &level.artwork_element[player_nr];
8521       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8522         &level.explosion_element[player_nr];
8523
8524       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8525         &level.use_start_element[player_nr];
8526       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8527         &level.use_artwork_element[player_nr];
8528       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8529         &level.use_explosion_element[player_nr];
8530       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8531         &level.initial_player_gravity[player_nr];
8532
8533       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8534         &level.initial_player_stepsize[player_nr];
8535
8536       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8537       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8538                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8539                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8540       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8541       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8542       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8543       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8544       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8545       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8546       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8547       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8548       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8549
8550       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8551       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8552       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8553
8554       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8555     }
8556     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8557     {
8558       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8559         &level.initial_inventory_content[player_nr][0];
8560
8561       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8562         &level.initial_inventory_size[player_nr];
8563
8564       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8565         &level.use_initial_inventory[player_nr];
8566
8567       /* draw checkbutton gadgets */
8568       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8569
8570       /* draw counter gadgets */
8571       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8572
8573       /* draw drawing area gadgets */
8574       DrawPlayerInitialInventoryArea(properties_element);
8575     }
8576   }
8577
8578   if (IS_GEM(properties_element))
8579     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8580
8581   if (properties_element == EL_EM_DYNAMITE)
8582     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8583
8584   if (COULD_MOVE_INTO_ACID(properties_element) &&
8585       !ELEM_IS_PLAYER(properties_element) &&
8586       (!IS_CUSTOM_ELEMENT(properties_element) ||
8587        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8588   {
8589     /* set position for checkbutton for "can move into acid" */
8590     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8591       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8592     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8593       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8594                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8595
8596     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8597   }
8598
8599   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8600     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8601
8602   if (properties_element == EL_SPRING)
8603     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8604
8605   if (properties_element == EL_TIME_ORB_FULL)
8606     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8607
8608   if (CAN_GROW(properties_element))
8609   {
8610     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8611       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8612
8613     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8614   }
8615
8616   if (properties_element == EL_SOKOBAN_OBJECT ||
8617       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8618       properties_element == EL_SOKOBAN_FIELD_FULL)
8619     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8620
8621   if (IS_ENVELOPE(properties_element))
8622   {
8623     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8624     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8625     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8626     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8627     int envelope_nr = properties_element - EL_ENVELOPE_1;
8628
8629     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8630     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8631
8632     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8633     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8634
8635     /* display counter to choose size of envelope text area */
8636     MapCounterButtons(counter1_id);
8637     MapCounterButtons(counter2_id);
8638
8639     /* display checkbuttons to choose auto-wrap and alignment properties */
8640     MapCheckbuttonGadget(button1_id);
8641     MapCheckbuttonGadget(button2_id);
8642
8643     DrawEnvelopeTextArea(envelope_nr);
8644   }
8645
8646   if (IS_CUSTOM_ELEMENT(properties_element))
8647   {
8648     /* draw stickybutton gadget */
8649     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8650
8651     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8652     {
8653       /* draw checkbutton gadgets */
8654       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8655            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8656         MapCheckbuttonGadget(i);
8657
8658       /* draw counter gadgets */
8659       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8660            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8661         MapCounterButtons(i);
8662
8663       /* draw selectbox gadgets */
8664       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8665            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8666         MapSelectboxGadget(i);
8667
8668       /* draw textbutton gadgets */
8669       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8670
8671       /* draw text input gadgets */
8672       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8673
8674       /* draw drawing area gadgets */
8675       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8676     }
8677     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8678     {
8679       /* draw checkbutton gadgets */
8680       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8681            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8682         MapCheckbuttonGadget(i);
8683
8684       /* draw counter gadgets */
8685       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8686            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8687         MapCounterButtons(i);
8688
8689       /* draw selectbox gadgets */
8690       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8691            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8692         MapSelectboxGadget(i);
8693
8694       /* draw drawing area gadgets */
8695       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8696       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8697       DrawCustomContentArea();
8698     }
8699   }
8700   else if (IS_GROUP_ELEMENT(properties_element))
8701   {
8702     /* draw stickybutton gadget */
8703     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8704
8705     /* draw checkbutton gadgets */
8706     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8707     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8708
8709     /* draw counter gadgets */
8710     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8711
8712     /* draw selectbox gadgets */
8713     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8714
8715     /* draw textbutton gadgets */
8716     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8717
8718     /* draw drawing area gadgets */
8719     DrawGroupElementArea(properties_element);
8720
8721     /* draw text input gadgets */
8722     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8723
8724     /* draw drawing area gadgets */
8725     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8726   }
8727 }
8728
8729 static void DrawPropertiesChangeDrawingAreas()
8730 {
8731   if (IS_CUSTOM_ELEMENT(properties_element))
8732   {
8733     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8734     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8735     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8736
8737     DrawCustomChangeContentArea();
8738   }
8739
8740   redraw_mask |= REDRAW_FIELD;
8741 }
8742
8743 static void DrawPropertiesChange()
8744 {
8745   int i;
8746
8747   /* needed to initially set selectbox options for special action options */
8748   setSelectboxSpecialActionOptions();
8749
8750   /* draw stickybutton gadget */
8751   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8752
8753   /* draw checkbutton gadgets */
8754   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8755        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8756     MapCheckbuttonGadget(i);
8757
8758   /* draw counter gadgets */
8759   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8760        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8761     MapCounterButtons(i);
8762
8763   /* draw selectbox gadgets */
8764   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8765        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8766     MapSelectboxGadget(i);
8767
8768   /* draw textbutton gadgets */
8769   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8770        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8771     MapTextbuttonGadget(i);
8772
8773   /* draw graphicbutton gadgets */
8774   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8775        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8776     MapGraphicbuttonGadget(i);
8777
8778   /* draw drawing area gadgets */
8779   DrawPropertiesChangeDrawingAreas();
8780 }
8781
8782 static void DrawEditorElementAnimation(int x, int y)
8783 {
8784   int graphic = el2img(properties_element);
8785   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8786                custom_element.ce_value_fixed_initial :
8787                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8788                custom_element.collect_score_initial : FrameCounter);
8789
8790   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8791 }
8792
8793 static void DrawEditorElementName(int x, int y, int element)
8794 {
8795   char *element_name = getElementInfoText(element);
8796   int font_nr = FONT_TEXT_1;
8797   int font_width = getFontWidth(font_nr);
8798   int font_height = getFontHeight(font_nr);
8799   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8800   int max_chars_per_line = max_text_width / font_width;
8801   char buffer[max_chars_per_line + 1];
8802
8803   if (strlen(element_name) <= max_chars_per_line)
8804     DrawTextS(x, y, font_nr, element_name);
8805   else
8806   {
8807     int next_pos = max_chars_per_line;
8808
8809     strncpy(buffer, element_name, max_chars_per_line);
8810     buffer[max_chars_per_line] = '\0';
8811
8812     if (element_name[max_chars_per_line] == ' ')
8813       next_pos++;
8814     else
8815     {
8816       int i;
8817
8818       for (i = max_chars_per_line - 1; i >= 0; i--)
8819         if (buffer[i] == ' ')
8820           break;
8821
8822       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8823       {
8824         buffer[i] = '\0';
8825         next_pos = i + 1;
8826       }
8827     }
8828
8829     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8830
8831     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8832     buffer[max_chars_per_line] = '\0';
8833
8834     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8835   }
8836 }
8837
8838 static void DrawPropertiesWindow()
8839 {
8840   int xstart = 2;
8841   int ystart = 4;
8842
8843   stick_element_properties_window = FALSE;
8844
8845   /* make sure that previous properties edit mode exists for this element */
8846   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8847       !IS_CUSTOM_ELEMENT(properties_element))
8848     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8849
8850   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8851       !ELEM_IS_PLAYER(properties_element) &&
8852       !IS_CUSTOM_ELEMENT(properties_element))
8853     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8854
8855   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8856       (ELEM_IS_PLAYER(properties_element) ||
8857        IS_CUSTOM_ELEMENT(properties_element)))
8858     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8859
8860   CopyElementPropertiesToEditor(properties_element);
8861
8862   UnmapLevelEditorFieldGadgets();
8863   UnmapLevelEditorToolboxDrawingGadgets();
8864   UnmapLevelEditorToolboxCustomGadgets();
8865
8866   if (IS_CUSTOM_ELEMENT(properties_element) ||
8867       IS_GROUP_ELEMENT(properties_element))
8868     MapLevelEditorToolboxCustomGadgets();
8869
8870   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8871   ClearField();
8872
8873   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8874
8875   FrameCounter = 0;     /* restart animation frame counter */
8876
8877   DrawElementBorder(SX + xstart * MINI_TILEX,
8878                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8879                     TILEX, TILEY, FALSE);
8880
8881   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8882                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8883
8884   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8885                         (ystart + 1) * MINI_TILEY + 1,
8886                         properties_element);
8887
8888   DrawPropertiesTabulatorGadgets();
8889
8890   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8891     DrawPropertiesInfo();
8892   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8893     DrawPropertiesChange();
8894   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8895     DrawPropertiesConfig();
8896 }
8897
8898 static void UpdateCustomElementGraphicGadgets()
8899 {
8900   struct ElementInfo *ei = &element_info[properties_element];
8901   int i;
8902
8903   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8904                      properties_element);
8905
8906   ModifyEditorElementList();
8907   RedrawDrawingElements();
8908
8909   /* force redraw of all mapped drawing area gadgets */
8910   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8911   {
8912     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8913
8914     if (gi->mapped)
8915       MapDrawingArea(i);
8916   }
8917 }
8918
8919 static int getOpenDirectionFromTube(int element)
8920 {
8921   switch (element)
8922   {
8923     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8924     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8925     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8926     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8927     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8928     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8929     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8930     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8931     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8932     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8933     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8934   }
8935
8936   return MV_NONE;
8937 }
8938
8939 static int getTubeFromOpenDirection(int direction)
8940 {
8941   switch (direction)
8942   {
8943     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8944     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8945     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8946     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8947     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8948     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8949     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8950     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8951     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8952     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8953     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8954
8955     /* if only one direction, fall back to simple tube with that direction */
8956     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8957     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8958     case (MV_UP):                       return EL_TUBE_VERTICAL;
8959     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8960   }
8961
8962   return EL_EMPTY;
8963 }
8964
8965 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8966 {
8967   int element_new = getTubeFromOpenDirection(direction);
8968
8969   return (element_new != EL_EMPTY ? element_new : element_old);
8970 }
8971
8972 static int getOpenDirectionFromBelt(int element)
8973 {
8974   int belt_dir = getBeltDirFromBeltElement(element);
8975
8976   return (belt_dir == MV_LEFT ? MV_RIGHT :
8977           belt_dir == MV_RIGHT ? MV_LEFT :
8978           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8979 }
8980
8981 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8982 {
8983   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8984                   direction == MV_RIGHT ? MV_LEFT :
8985                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8986
8987   if (direction == MV_NONE)
8988     return EL_EMPTY;
8989
8990   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8991 }
8992
8993 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8994                                                  int element_old)
8995 {
8996   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8997
8998   return (element_new != EL_EMPTY ? element_new : element_old);
8999 }
9000
9001 static int getOpenDirectionFromPool(int element)
9002 {
9003   switch (element)
9004   {
9005     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9006     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9007     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9008     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9009     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9010     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9011   }
9012
9013   return MV_NONE;
9014 }
9015
9016 static int getPoolFromOpenDirection(int direction)
9017 {
9018   switch (direction)
9019   {
9020     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9021     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9022     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9023     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9024     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9025     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9026   }
9027
9028   return EL_EMPTY;
9029 }
9030
9031 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9032 {
9033   int element = getPoolFromOpenDirection(direction);
9034   int help_direction = getOpenDirectionFromPool(help_element);
9035
9036   if (element == EL_EMPTY)
9037   {
9038     int help_direction_vertical = help_direction & MV_VERTICAL;
9039
9040     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9041   }
9042
9043   if (element == EL_EMPTY)
9044   {
9045     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9046
9047     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9048   }
9049
9050   return element;
9051 }
9052
9053 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9054 {
9055   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9056
9057   return (element_new != EL_EMPTY ? element_new : element_old);
9058 }
9059
9060 static int getOpenDirectionFromPillar(int element)
9061 {
9062   switch (element)
9063   {
9064     case EL_EMC_WALL_1:                 return (MV_DOWN);
9065     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9066     case EL_EMC_WALL_3:                 return (MV_UP);
9067   }
9068
9069   return MV_NONE;
9070 }
9071
9072 static int getPillarFromOpenDirection(int direction)
9073 {
9074   switch (direction)
9075   {
9076     case (MV_DOWN):                     return EL_EMC_WALL_1;
9077     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9078     case (MV_UP):                       return EL_EMC_WALL_3;
9079   }
9080
9081   return EL_EMPTY;
9082 }
9083
9084 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9085 {
9086   int element_new = getPillarFromOpenDirection(direction);
9087
9088   return (element_new != EL_EMPTY ? element_new : element_old);
9089 }
9090
9091 static int getOpenDirectionFromSteel2(int element)
9092 {
9093   switch (element)
9094   {
9095     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9096     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9097     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9098     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9099     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9100     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9101     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9102     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9103   }
9104
9105   return MV_NONE;
9106 }
9107
9108 static int getSteel2FromOpenDirection(int direction)
9109 {
9110   switch (direction)
9111   {
9112     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9113     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9114     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9115     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9116     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9117     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9118     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9119     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9120   }
9121
9122   return EL_EMPTY;
9123 }
9124
9125 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9126 {
9127   int element_new = getSteel2FromOpenDirection(direction);
9128
9129   return (element_new != EL_EMPTY ? element_new : element_old);
9130 }
9131
9132 static int getOpenDirectionFromChip(int element)
9133 {
9134   switch (element)
9135   {
9136     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9137     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9138     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9139     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9140     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9141   }
9142
9143   return MV_NONE;
9144 }
9145
9146 static int getChipFromOpenDirection(int direction)
9147 {
9148   switch (direction)
9149   {
9150     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9151     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9152     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9153     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9154     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9155   }
9156
9157   return EL_EMPTY;
9158 }
9159
9160 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9161 {
9162   int element_new = getChipFromOpenDirection(direction);
9163
9164   return (element_new != EL_EMPTY ? element_new : element_old);
9165 }
9166
9167 static int getClosedTube(int x, int y)
9168 {
9169   static int xy[4][2] =
9170   {
9171     { -1, 0 },
9172     { +1, 0 },
9173     { 0, -1 },
9174     { 0, +1 }
9175   };
9176   int element_old = IntelliDrawBuffer[x][y];
9177   int direction_old = getOpenDirectionFromTube(element_old);
9178   int direction_new = MV_NONE;
9179   int i;
9180
9181   for (i = 0; i < NUM_DIRECTIONS; i++)
9182   {
9183     int xx = x + xy[i][0];
9184     int yy = y + xy[i][1];
9185     int dir = MV_DIR_FROM_BIT(i);
9186     int dir_opposite = MV_DIR_OPPOSITE(dir);
9187
9188     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9189         (direction_old & dir) &&
9190         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9191       direction_new |= dir;
9192   }
9193
9194   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9195 }
9196
9197 static int getClosedBelt(int x, int y)
9198 {
9199   static int xy[4][2] =
9200   {
9201     { -1, 0 },
9202     { +1, 0 },
9203     { 0, -1 },
9204     { 0, +1 }
9205   };
9206   int element_old = IntelliDrawBuffer[x][y];
9207   int nr = getBeltNrFromBeltElement(element_old);
9208   int direction_old = getOpenDirectionFromBelt(element_old);
9209   int direction_new = MV_NONE;
9210   int i;
9211
9212   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9213   {
9214     int xx = x + xy[i][0];
9215     int yy = y + xy[i][1];
9216     int dir = MV_DIR_FROM_BIT(i);
9217     int dir_opposite = MV_DIR_OPPOSITE(dir);
9218
9219     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9220         (direction_old & dir) &&
9221         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9222       direction_new |= dir;
9223   }
9224
9225   return getBeltFromNrAndOpenDirection(nr, direction_new);
9226 }
9227
9228 static int getClosedPool(int x, int y)
9229 {
9230   static int xy[4][2] =
9231   {
9232     { -1, 0 },
9233     { +1, 0 },
9234     { 0, -1 },
9235     { 0, +1 }
9236   };
9237   int element_old = IntelliDrawBuffer[x][y];
9238   int direction_old = getOpenDirectionFromPool(element_old);
9239   int direction_new = MV_NONE;
9240   int i;
9241
9242   for (i = 0; i < NUM_DIRECTIONS; i++)
9243   {
9244     int xx = x + xy[i][0];
9245     int yy = y + xy[i][1];
9246     int dir = MV_DIR_FROM_BIT(i);
9247     int dir_opposite = MV_DIR_OPPOSITE(dir);
9248
9249     if (IN_LEV_FIELD(xx, yy) &&
9250         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9251         (direction_old & dir) &&
9252         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9253       direction_new |= dir;
9254   }
9255
9256   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9257 }
9258
9259 static int getClosedPillar(int x, int y)
9260 {
9261   static int xy[4][2] =
9262   {
9263     { -1, 0 },
9264     { +1, 0 },
9265     { 0, -1 },
9266     { 0, +1 }
9267   };
9268   int element_old = IntelliDrawBuffer[x][y];
9269   int direction_old = getOpenDirectionFromPillar(element_old);
9270   int direction_new = MV_NONE;
9271   int i;
9272
9273   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9274   {
9275     int xx = x + xy[i][0];
9276     int yy = y + xy[i][1];
9277     int dir = MV_DIR_FROM_BIT(i);
9278     int dir_opposite = MV_DIR_OPPOSITE(dir);
9279
9280     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9281         (direction_old & dir) &&
9282         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9283       direction_new |= dir;
9284   }
9285
9286   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9287 }
9288
9289 static int getClosedSteel2(int x, int y)
9290 {
9291   static int xy[4][2] =
9292   {
9293     { -1, 0 },
9294     { +1, 0 },
9295     { 0, -1 },
9296     { 0, +1 }
9297   };
9298   int element_old = IntelliDrawBuffer[x][y];
9299   int direction_old = getOpenDirectionFromSteel2(element_old);
9300   int direction_new = MV_NONE;
9301   int i;
9302
9303   for (i = 0; i < NUM_DIRECTIONS; i++)
9304   {
9305     int xx = x + xy[i][0];
9306     int yy = y + xy[i][1];
9307     int dir = MV_DIR_FROM_BIT(i);
9308     int dir_opposite = MV_DIR_OPPOSITE(dir);
9309
9310     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9311         (direction_old & dir) &&
9312         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9313       direction_new |= dir;
9314   }
9315
9316   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9317 }
9318
9319 static int getClosedChip(int x, int y)
9320 {
9321   static int xy[4][2] =
9322   {
9323     { -1, 0 },
9324     { +1, 0 },
9325     { 0, -1 },
9326     { 0, +1 }
9327   };
9328   int element_old = IntelliDrawBuffer[x][y];
9329   int direction_old = getOpenDirectionFromChip(element_old);
9330   int direction_new = MV_NONE;
9331   int i;
9332
9333   for (i = 0; i < NUM_DIRECTIONS; i++)
9334   {
9335     int xx = x + xy[i][0];
9336     int yy = y + xy[i][1];
9337     int dir = MV_DIR_FROM_BIT(i);
9338     int dir_opposite = MV_DIR_OPPOSITE(dir);
9339
9340     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9341         (direction_old & dir) &&
9342         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9343       direction_new |= dir;
9344   }
9345
9346   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9347 }
9348
9349 static void SetElementSimple(int x, int y, int element, boolean change_level)
9350 {
9351   int sx = x - level_xpos;
9352   int sy = y - level_ypos;
9353
9354   IntelliDrawBuffer[x][y] = element;
9355
9356   if (change_level)
9357     Feld[x][y] = element;
9358
9359   if (IN_ED_FIELD(sx, sy))
9360     DrawMiniElement(sx, sy, element);
9361 }
9362
9363 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9364                                            int x2, int y2, int *element2,
9365                                            int (*close_function)(int, int),
9366                                            boolean change_level)
9367 {
9368   /* set neighbour elements to newly determined connections */
9369   SetElementSimple(x1, y1, *element1, change_level);
9370   SetElementSimple(x2, y2, *element2, change_level);
9371
9372   /* remove all open connections of neighbour elements */
9373   *element1 = close_function(x1, y1);
9374   *element2 = close_function(x2, y2);
9375
9376   /* set neighbour elements to new, minimized connections */
9377   SetElementSimple(x1, y1, *element1, change_level);
9378   SetElementSimple(x2, y2, *element2, change_level);
9379 }
9380
9381 static void SetElementIntelliDraw(int x, int y, int new_element,
9382                                   boolean change_level, int button)
9383 {
9384   static int xy[4][2] =
9385   {
9386     { -1, 0 },
9387     { +1, 0 },
9388     { 0, -1 },
9389     { 0, +1 }
9390   };
9391   static int last_x = -1;
9392   static int last_y = -1;
9393   int old_element = IntelliDrawBuffer[x][y];
9394
9395   if (new_element == EL_UNDEFINED)
9396   {
9397     last_x = -1;
9398     last_y = -1;
9399
9400     return;
9401   }
9402
9403   if (IS_TUBE(new_element))
9404   {
9405     int last_element_new = EL_UNDEFINED;
9406     int direction = MV_NONE;
9407     int i;
9408
9409     /* if old element is of same kind, keep all existing directions */
9410     if (IS_TUBE(old_element))
9411       direction |= getOpenDirectionFromTube(old_element);
9412
9413     for (i = 0; i < NUM_DIRECTIONS; i++)
9414     {
9415       int xx = x + xy[i][0];
9416       int yy = y + xy[i][1];
9417
9418       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9419           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9420       {
9421         int dir = MV_DIR_FROM_BIT(i);
9422         int dir_opposite = MV_DIR_OPPOSITE(dir);
9423         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9424         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9425         int last_direction_new = last_direction_old | dir_opposite;
9426
9427         last_element_new = getTubeFromOpenDirection(last_direction_new);
9428
9429         direction |= dir;
9430       }
9431     }
9432
9433     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9434
9435     if (last_element_new != EL_UNDEFINED)
9436       MergeAndCloseNeighbourElements(x, y, &new_element,
9437                                      last_x, last_y, &last_element_new,
9438                                      getClosedTube, change_level);
9439   }
9440   else if (IS_BELT(new_element))
9441   {
9442     int belt_nr = getBeltNrFromBeltElement(new_element);
9443     int last_element_new = EL_UNDEFINED;
9444     int direction = MV_NONE;
9445     int i;
9446
9447     /* if old element is of same kind, keep all existing directions */
9448     if (IS_BELT(old_element))
9449       direction |= getOpenDirectionFromBelt(old_element);
9450
9451     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9452     {
9453       int xx = x + xy[i][0];
9454       int yy = y + xy[i][1];
9455
9456       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9457           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9458       {
9459         int dir = MV_DIR_FROM_BIT(i);
9460         int dir_opposite = MV_DIR_OPPOSITE(dir);
9461         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9462         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9463         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9464         int last_direction_new = last_direction_old | dir_opposite;
9465
9466         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9467                                                          last_direction_new);
9468         direction |= dir;
9469       }
9470     }
9471
9472     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9473                                                         new_element);
9474     if (last_element_new != EL_UNDEFINED)
9475       MergeAndCloseNeighbourElements(x, y, &new_element,
9476                                      last_x, last_y, &last_element_new,
9477                                      getClosedBelt, change_level);
9478   }
9479   else if (IS_ACID_POOL_OR_ACID(new_element))
9480   {
9481     int last_element_new = EL_UNDEFINED;
9482     int direction = MV_NONE;
9483     int i;
9484
9485     /* if old element is of same kind, keep all existing directions */
9486     if (IS_ACID_POOL_OR_ACID(old_element))
9487       direction |= getOpenDirectionFromPool(old_element);
9488
9489     for (i = 0; i < NUM_DIRECTIONS; i++)
9490     {
9491       int xx = x + xy[i][0];
9492       int yy = y + xy[i][1];
9493
9494       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9495           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9496       {
9497         int dir = MV_DIR_FROM_BIT(i);
9498         int dir_opposite = MV_DIR_OPPOSITE(dir);
9499         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9500         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9501         int last_direction_new = last_direction_old | dir_opposite;
9502
9503         last_element_new = getPoolFromOpenDirection(last_direction_new);
9504
9505         direction |= dir;
9506       }
9507     }
9508
9509     /* special corrections needed for intuitively correct acid pool drawing */
9510     if (last_element_new == EL_EMPTY)
9511       last_element_new = new_element;
9512     else if (last_element_new != EL_UNDEFINED)
9513       new_element = last_element_new;
9514
9515     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9516
9517     if (last_element_new != EL_UNDEFINED)
9518       MergeAndCloseNeighbourElements(x, y, &new_element,
9519                                      last_x, last_y, &last_element_new,
9520                                      getClosedPool, change_level);
9521   }
9522   else if (IS_EMC_PILLAR(new_element))
9523   {
9524     int last_element_new = EL_UNDEFINED;
9525     int direction = MV_NONE;
9526     int i;
9527
9528     /* if old element is of same kind, keep all existing directions */
9529     if (IS_EMC_PILLAR(old_element))
9530       direction |= getOpenDirectionFromPillar(old_element);
9531
9532     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9533     {
9534       int xx = x + xy[i][0];
9535       int yy = y + xy[i][1];
9536
9537       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9538           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9539       {
9540         int dir = MV_DIR_FROM_BIT(i);
9541         int dir_opposite = MV_DIR_OPPOSITE(dir);
9542         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9543         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9544         int last_direction_new = last_direction_old | dir_opposite;
9545
9546         last_element_new = getPillarFromOpenDirection(last_direction_new);
9547
9548         direction |= dir;
9549       }
9550     }
9551
9552     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9553
9554     if (last_element_new != EL_UNDEFINED)
9555       MergeAndCloseNeighbourElements(x, y, &new_element,
9556                                      last_x, last_y, &last_element_new,
9557                                      getClosedPillar, change_level);
9558   }
9559   else if (IS_DC_STEELWALL_2(new_element))
9560   {
9561     int last_element_new = EL_UNDEFINED;
9562     int direction = MV_NONE;
9563     int i;
9564
9565     /* if old element is of same kind, keep all existing directions */
9566     if (IS_DC_STEELWALL_2(old_element))
9567       direction |= getOpenDirectionFromSteel2(old_element);
9568
9569     for (i = 0; i < NUM_DIRECTIONS; i++)
9570     {
9571       int xx = x + xy[i][0];
9572       int yy = y + xy[i][1];
9573
9574       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9575           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9576       {
9577         int dir = MV_DIR_FROM_BIT(i);
9578         int dir_opposite = MV_DIR_OPPOSITE(dir);
9579         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9580         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9581         int last_direction_new = last_direction_old | dir_opposite;
9582
9583         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9584
9585         direction |= dir;
9586       }
9587     }
9588
9589     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9590
9591     if (last_element_new != EL_UNDEFINED)
9592       MergeAndCloseNeighbourElements(x, y, &new_element,
9593                                      last_x, last_y, &last_element_new,
9594                                      getClosedSteel2, change_level);
9595   }
9596   else if (IS_SP_CHIP(new_element))
9597   {
9598     int last_element_new = EL_UNDEFINED;
9599     int direction = MV_NONE;
9600     int i;
9601
9602     /* (do not keep existing directions, regardless of kind of old element) */
9603
9604     for (i = 0; i < NUM_DIRECTIONS; i++)
9605     {
9606       int xx = x + xy[i][0];
9607       int yy = y + xy[i][1];
9608
9609       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9610           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9611       {
9612         int dir = MV_DIR_FROM_BIT(i);
9613         int dir_opposite = MV_DIR_OPPOSITE(dir);
9614         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9615         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9616         int last_direction_new = last_direction_old | dir_opposite;
9617
9618         if (last_direction_old == MV_NONE)
9619         {
9620           last_element_new = getChipFromOpenDirection(last_direction_new);
9621           direction |= dir;
9622         }
9623         else if (last_direction_old & (dir | dir_opposite))
9624         {
9625           direction |= MV_DIR_OPPOSITE(last_direction_old);
9626         }
9627         else
9628         {
9629           direction |= MV_DIR_OPPOSITE(dir);
9630         }
9631       }
9632     }
9633
9634     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9635
9636     if (last_element_new != EL_UNDEFINED)
9637       MergeAndCloseNeighbourElements(x, y, &new_element,
9638                                      last_x, last_y, &last_element_new,
9639                                      getClosedChip, change_level);
9640   }
9641   else if (IS_SP_HARDWARE_BASE(new_element))
9642   {
9643     int nr = GetSimpleRandom(6);
9644
9645     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9646                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9647                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9648                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9649                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9650   }
9651   else if (new_element == EL_SP_HARDWARE_GREEN ||
9652            new_element == EL_SP_HARDWARE_BLUE ||
9653            new_element == EL_SP_HARDWARE_RED)
9654   {
9655     int nr = GetSimpleRandom(3);
9656
9657     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9658                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9659   }
9660   else if (IS_GROUP_ELEMENT(new_element))
9661   {
9662     boolean connected_drawing = FALSE;
9663     int i;
9664
9665     for (i = 0; i < NUM_DIRECTIONS; i++)
9666     {
9667       int xx = x + xy[i][0];
9668       int yy = y + xy[i][1];
9669
9670       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9671           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9672         connected_drawing = TRUE;
9673     }
9674
9675     if (!connected_drawing)
9676       ResolveGroupElement(new_element);
9677
9678     new_element = GetElementFromGroupElement(new_element);
9679   }
9680   else if (IS_BELT_SWITCH(old_element))
9681   {
9682     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9683     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9684
9685     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9686                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9687
9688     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9689   }
9690   else
9691   {
9692     static int swappable_elements[][2] =
9693     {
9694       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9695       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9696       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9697       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9698       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9699       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9700       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9701       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9702       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9703       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9704       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9705       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9706       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9707       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9708       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9709       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9710       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9711       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9712       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9713       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9714       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9715       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9716       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9717       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9718       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9719       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9720       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9721       { EL_PEARL,                       EL_WALL_PEARL                   },
9722       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9723       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9724       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9725       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9726       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9727       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9728       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9729       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9730       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9731       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9732       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9733       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9734
9735       { -1,                             -1                              },
9736     };
9737     static int rotatable_elements[][4] =
9738     {
9739       {
9740         EL_BUG_UP,
9741         EL_BUG_RIGHT,
9742         EL_BUG_DOWN,
9743         EL_BUG_LEFT
9744       },
9745
9746       {
9747         EL_SPACESHIP_UP,
9748         EL_SPACESHIP_RIGHT,
9749         EL_SPACESHIP_DOWN,
9750         EL_SPACESHIP_LEFT
9751       },
9752
9753       {
9754         EL_BD_BUTTERFLY_UP,
9755         EL_BD_BUTTERFLY_RIGHT,
9756         EL_BD_BUTTERFLY_DOWN,
9757         EL_BD_BUTTERFLY_LEFT
9758       },
9759
9760       {
9761         EL_BD_FIREFLY_UP,
9762         EL_BD_FIREFLY_RIGHT,
9763         EL_BD_FIREFLY_DOWN,
9764         EL_BD_FIREFLY_LEFT
9765       },
9766
9767       {
9768         EL_PACMAN_UP,
9769         EL_PACMAN_RIGHT,
9770         EL_PACMAN_DOWN,
9771         EL_PACMAN_LEFT
9772       },
9773
9774       {
9775         EL_YAMYAM_UP,
9776         EL_YAMYAM_RIGHT,
9777         EL_YAMYAM_DOWN,
9778         EL_YAMYAM_LEFT
9779       },
9780
9781       {
9782         EL_ARROW_UP,
9783         EL_ARROW_RIGHT,
9784         EL_ARROW_DOWN,
9785         EL_ARROW_LEFT
9786       },
9787
9788       {
9789         EL_SP_PORT_UP,
9790         EL_SP_PORT_RIGHT,
9791         EL_SP_PORT_DOWN,
9792         EL_SP_PORT_LEFT
9793       },
9794
9795       {
9796         EL_SP_GRAVITY_PORT_UP,
9797         EL_SP_GRAVITY_PORT_RIGHT,
9798         EL_SP_GRAVITY_PORT_DOWN,
9799         EL_SP_GRAVITY_PORT_LEFT
9800       },
9801
9802       {
9803         EL_SP_GRAVITY_ON_PORT_UP,
9804         EL_SP_GRAVITY_ON_PORT_RIGHT,
9805         EL_SP_GRAVITY_ON_PORT_DOWN,
9806         EL_SP_GRAVITY_ON_PORT_LEFT
9807       },
9808
9809       {
9810         EL_SP_GRAVITY_OFF_PORT_UP,
9811         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9812         EL_SP_GRAVITY_OFF_PORT_DOWN,
9813         EL_SP_GRAVITY_OFF_PORT_LEFT
9814       },
9815
9816       {
9817         EL_MOLE_UP,
9818         EL_MOLE_RIGHT,
9819         EL_MOLE_DOWN,
9820         EL_MOLE_LEFT
9821       },
9822
9823       {
9824         EL_BALLOON_SWITCH_UP,
9825         EL_BALLOON_SWITCH_RIGHT,
9826         EL_BALLOON_SWITCH_DOWN,
9827         EL_BALLOON_SWITCH_LEFT
9828       },
9829
9830       {
9831         -1,
9832         -1,
9833         -1,
9834         -1,
9835       },
9836     };
9837     int i, j;
9838
9839     for (i = 0; swappable_elements[i][0] != -1; i++)
9840     {
9841       int element1 = swappable_elements[i][0];
9842       int element2 = swappable_elements[i][1];
9843
9844       if (old_element == element1 || old_element == element2)
9845         new_element = (old_element == element1 ? element2 : element1);
9846     }
9847
9848     for (i = 0; rotatable_elements[i][0] != -1; i++)
9849     {
9850       for (j = 0; j < 4; j++)
9851       {
9852         int element = rotatable_elements[i][j];
9853
9854         if (old_element == element)
9855           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9856                          button == 2 ? rotatable_elements[i][0]           :
9857                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9858                          old_element);
9859       }
9860     }
9861   }
9862
9863   SetElementSimple(x, y, new_element, change_level);
9864
9865   last_x = x;
9866   last_y = y;
9867 }
9868
9869 static void ResetIntelliDraw()
9870 {
9871   int x, y;
9872
9873   for (x = 0; x < lev_fieldx; x++)
9874     for (y = 0; y < lev_fieldy; y++)
9875       IntelliDrawBuffer[x][y] = Feld[x][y];
9876
9877   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9878 }
9879
9880 static void SetElementExt(int x, int y, int element, boolean change_level,
9881                           int button)
9882 {
9883   if (element < 0)
9884     SetElementSimple(x, y, Feld[x][y], change_level);
9885   else if (GetKeyModState() & KMOD_Shift)
9886     SetElementIntelliDraw(x, y, element, change_level, button);
9887   else
9888     SetElementSimple(x, y, element, change_level);
9889 }
9890
9891 static void SetElement(int x, int y, int element)
9892 {
9893   SetElementExt(x, y, element, TRUE, -1);
9894 }
9895
9896 static void SetElementButton(int x, int y, int element, int button)
9897 {
9898   SetElementExt(x, y, element, TRUE, button);
9899 }
9900
9901 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9902 {
9903   int lx = sx + level_xpos;
9904   int ly = sy + level_ypos;
9905
9906   SetElementExt(lx, ly, element, change_level, -1);
9907 }
9908
9909 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9910                      int element, boolean change_level)
9911 {
9912   int xsize = ABS(to_x - from_x);
9913   int ysize = ABS(to_y - from_y);
9914   int dx = (to_x < from_x ? -1 : +1);
9915   int dy = (to_y < from_y ? -1 : +1);
9916   int i;
9917
9918   if (from_y == to_y)                   /* horizontal line */
9919   {
9920     for (i = 0; i <= xsize; i++)
9921       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9922   }
9923   else if (from_x == to_x)              /* vertical line */
9924   {
9925     for (i = 0; i <= ysize; i++)
9926       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9927   }
9928   else                                  /* diagonal line */
9929   {
9930     if (ysize < xsize)                  /* a < 1 */
9931     {
9932       float a = (float)ysize / (float)xsize;
9933
9934       for (i = 0; i <= xsize; i++)
9935       {
9936         int x = dx * i;
9937         int y = dy * (int)(a * i + 0.5);
9938
9939         DrawLineElement(from_x + x, from_y + y, element, change_level);
9940       }
9941     }
9942     else                                /* a >= 1 */
9943     {
9944       float a = (float)xsize / (float)ysize;
9945
9946       for (i = 0; i <= ysize; i++)
9947       {
9948         int x = dx * (int)(a * i + 0.5);
9949         int y = dy * i;
9950
9951         DrawLineElement(from_x + x, from_y + y, element, change_level);
9952       }
9953     }
9954   }
9955 }
9956
9957 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9958                     int element, boolean change_level)
9959 {
9960   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9961   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9962   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9963   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9964 }
9965
9966 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9967                           int element, boolean change_level)
9968 {
9969   int y;
9970
9971   if (from_y > to_y)
9972     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9973
9974   for (y = from_y; y <= to_y; y++)
9975     DrawLine(from_x, y, to_x, y, element, change_level);
9976 }
9977
9978 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9979                        int element, boolean change_level)
9980 {
9981   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9982   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9983   int len_x = ABS(to_x - from_x);
9984   int len_y = ABS(to_y - from_y);
9985   int radius, x, y;
9986
9987   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9988
9989   /* not optimal (some points get drawn twice) but simple,
9990      and fast enough for the few points we are drawing */
9991
9992   for (x = 0; x <= radius; x++)
9993   {
9994     int sx, sy, lx, ly;
9995
9996     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9997
9998     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9999     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10000     lx = sx + level_xpos;
10001     ly = sy + level_ypos;
10002
10003     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10004       DrawLineElement(sx, sy, element, change_level);
10005   }
10006
10007   for (y = 0; y <= radius; y++)
10008   {
10009     int sx, sy, lx, ly;
10010
10011     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10012
10013     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10014     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10015     lx = sx + level_xpos;
10016     ly = sy + level_ypos;
10017
10018     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10019       DrawLineElement(sx, sy, element, change_level);
10020   }
10021 }
10022
10023 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10024                     int element, boolean change_level)
10025 {
10026   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10027   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10028
10029   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10030 }
10031
10032 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10033
10034 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10035 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10036                        int element, boolean change_level)
10037 {
10038   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10039   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10040   int mirror_to_x2 = from_x - (to_x2 - from_x);
10041   int mirror_to_y2 = from_y - (to_y2 - from_y);
10042
10043   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10044   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10045   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10046   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10047 }
10048 #endif
10049
10050 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10051 {
10052   int from_sx, from_sy;
10053   int to_sx, to_sy;
10054
10055   if (from_x > to_x)
10056     swap_numbers(&from_x, &to_x);
10057
10058   if (from_y > to_y)
10059     swap_numbers(&from_y, &to_y);
10060
10061   from_sx = SX + from_x * MINI_TILEX;
10062   from_sy = SY + from_y * MINI_TILEY;
10063   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10064   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10065
10066   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10067   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10068   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10069   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10070
10071   if (from_x == to_x && from_y == to_y)
10072     MarkTileDirty(from_x/2, from_y/2);
10073   else
10074     redraw_mask |= REDRAW_FIELD;
10075 }
10076
10077 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10078                        int element, boolean change_level)
10079 {
10080   if (element == -1 || change_level)
10081     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10082   else
10083     DrawAreaBorder(from_x, from_y, to_x, to_y);
10084 }
10085
10086 /* values for CopyBrushExt() */
10087 #define CB_AREA_TO_BRUSH        0
10088 #define CB_BRUSH_TO_CURSOR      1
10089 #define CB_BRUSH_TO_LEVEL       2
10090 #define CB_DELETE_OLD_CURSOR    3
10091 #define CB_DUMP_BRUSH           4
10092 #define CB_DUMP_BRUSH_SMALL     5
10093
10094 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10095                          int button, int mode)
10096 {
10097   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10098   static int brush_width, brush_height;
10099   static int last_cursor_x = -1, last_cursor_y = -1;
10100   static boolean delete_old_brush;
10101   int new_element = BUTTON_ELEMENT(button);
10102   int x, y;
10103
10104   if (mode == CB_DUMP_BRUSH ||
10105       mode == CB_DUMP_BRUSH_SMALL)
10106   {
10107     if (!draw_with_brush)
10108     {
10109       Error(ERR_WARN, "no brush selected");
10110
10111       return;
10112     }
10113
10114     for (y = 0; y < brush_height; y++)
10115     {
10116       for (x = 0; x < brush_width; x++)
10117       {
10118         int element = brush_buffer[x][y];
10119         int element_mapped = element;
10120
10121         if (IS_CUSTOM_ELEMENT(element))
10122           element_mapped = EL_CUSTOM_START;
10123         else if (IS_GROUP_ELEMENT(element))
10124           element_mapped = EL_GROUP_START;
10125         else if (element >= NUM_FILE_ELEMENTS)
10126           element_mapped = EL_UNKNOWN;
10127
10128         // dump brush as level sketch text for the R'n'D forum:
10129         // - large tiles: `xxx (0x60 ASCII)
10130         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10131         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10132       }
10133
10134       printf("\n");
10135     }
10136
10137     return;
10138   }
10139
10140   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10141     return;
10142
10143   if (mode == CB_AREA_TO_BRUSH)
10144   {
10145     int from_lx, from_ly;
10146
10147     if (from_x > to_x)
10148       swap_numbers(&from_x, &to_x);
10149
10150     if (from_y > to_y)
10151       swap_numbers(&from_y, &to_y);
10152
10153     brush_width = to_x - from_x + 1;
10154     brush_height = to_y - from_y + 1;
10155
10156     from_lx = from_x + level_xpos;
10157     from_ly = from_y + level_ypos;
10158
10159     for (y = 0; y < brush_height; y++)
10160     {
10161       for (x = 0; x < brush_width; x++)
10162       {
10163         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10164
10165         if (button != 1)
10166           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10167       }
10168     }
10169
10170     if (button != 1)
10171       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10172
10173     delete_old_brush = FALSE;
10174   }
10175   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10176            mode == CB_BRUSH_TO_LEVEL)
10177   {
10178     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10179     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10180     int cursor_from_x = cursor_x - brush_width / 2;
10181     int cursor_from_y = cursor_y - brush_height / 2;
10182     int border_from_x = cursor_x, border_from_y = cursor_y;
10183     int border_to_x = cursor_x, border_to_y = cursor_y;
10184
10185     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10186       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10187
10188     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10189         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10190     {
10191       delete_old_brush = FALSE;
10192       return;
10193     }
10194
10195     for (y = 0; y < brush_height; y++)
10196     {
10197       for (x = 0; x < brush_width; x++)
10198       {
10199         int sx = cursor_from_x + x;
10200         int sy = cursor_from_y + y;
10201         int lx = sx + level_xpos;
10202         int ly = sy + level_ypos;
10203         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10204         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10205                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10206                        brush_buffer[x][y] : new_element);
10207
10208         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10209         {
10210           if (sx < border_from_x)
10211             border_from_x = sx;
10212           else if (sx > border_to_x)
10213             border_to_x = sx;
10214           if (sy < border_from_y)
10215             border_from_y = sy;
10216           else if (sy > border_to_y)
10217             border_to_y = sy;
10218
10219           DrawLineElement(sx, sy, element, change_level);
10220         }
10221       }
10222     }
10223
10224     if (mode != CB_DELETE_OLD_CURSOR)
10225       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10226
10227     last_cursor_x = cursor_x;
10228     last_cursor_y = cursor_y;
10229     delete_old_brush = TRUE;
10230   }
10231 }
10232
10233 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10234                             int button)
10235 {
10236   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10237 }
10238
10239 static void CopyBrushToLevel(int x, int y, int button)
10240 {
10241   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10242 }
10243
10244 static void CopyBrushToCursor(int x, int y)
10245 {
10246   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10247 }
10248
10249 static void DeleteBrushFromCursor()
10250 {
10251   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10252 }
10253
10254 void DumpBrush()
10255 {
10256   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10257 }
10258
10259 void DumpBrush_Small()
10260 {
10261   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10262 }
10263
10264 static void FloodFill(int from_x, int from_y, int fill_element)
10265 {
10266   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10267 }
10268
10269 /* values for DrawLevelText() modes */
10270 #define TEXT_INIT               0
10271 #define TEXT_SETCURSOR          1
10272 #define TEXT_WRITECHAR          2
10273 #define TEXT_BACKSPACE          3
10274 #define TEXT_NEWLINE            4
10275 #define TEXT_END                5
10276 #define TEXT_QUERY_TYPING       6
10277
10278 static int DrawLevelText(int sx, int sy, char letter, int mode)
10279 {
10280   static short delete_buffer[MAX_LEV_FIELDX];
10281   static int start_sx;
10282   static int last_sx, last_sy;
10283   static boolean typing = FALSE;
10284   int letter_element = EL_CHAR_ASCII0 + letter;
10285   int lx = 0, ly = 0;
10286
10287   /* map lower case letters to upper case and convert special characters */
10288   if (letter >= 'a' && letter <= 'z')
10289     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10290   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10291     letter_element = EL_CHAR_AUMLAUT;
10292   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10293     letter_element = EL_CHAR_OUMLAUT;
10294   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10295     letter_element = EL_CHAR_UUMLAUT;
10296   else if (letter == '^')
10297     letter_element = EL_CHAR_COPYRIGHT;
10298   else
10299     letter_element = EL_CHAR_ASCII0 + letter;
10300
10301   if (mode != TEXT_INIT)
10302   {
10303     if (!typing)
10304       return FALSE;
10305
10306     if (mode != TEXT_SETCURSOR)
10307     {
10308       sx = last_sx;
10309       sy = last_sy;
10310     }
10311
10312     lx = last_sx + level_xpos;
10313     ly = last_sy + level_ypos;
10314   }
10315
10316   switch (mode)
10317   {
10318     case TEXT_INIT:
10319       if (typing)
10320         DrawLevelText(0, 0, 0, TEXT_END);
10321
10322       typing = TRUE;
10323       start_sx = sx;
10324       last_sx = sx;
10325       last_sy = sy;
10326       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10327       break;
10328
10329     case TEXT_SETCURSOR:
10330       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10331       DrawAreaBorder(sx, sy, sx, sy);
10332       last_sx = sx;
10333       last_sy = sy;
10334       break;
10335
10336     case TEXT_WRITECHAR:
10337       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10338       {
10339         if (new_element1 >= EL_STEEL_CHAR_START &&
10340             new_element1 <= EL_STEEL_CHAR_END)
10341           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10342
10343         delete_buffer[sx - start_sx] = Feld[lx][ly];
10344         Feld[lx][ly] = letter_element;
10345
10346         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10347           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10348         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10349           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10350         else
10351           DrawLevelText(0, 0, 0, TEXT_END);
10352
10353         level.changed = TRUE;
10354       }
10355       break;
10356
10357     case TEXT_BACKSPACE:
10358       if (sx > start_sx)
10359       {
10360         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10361         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10362         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10363       }
10364       break;
10365
10366     case TEXT_NEWLINE:
10367       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10368         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10369       else
10370         DrawLevelText(0, 0, 0, TEXT_END);
10371       break;
10372
10373     case TEXT_END:
10374       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10375       DrawMiniElement(sx, sy, Feld[lx][ly]);
10376       typing = FALSE;
10377       break;
10378
10379     case TEXT_QUERY_TYPING:
10380       break;
10381
10382     default:
10383       break;
10384   }
10385
10386   return typing;
10387 }
10388
10389 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10390                           int element, boolean change_level)
10391 {
10392   int lx = sx + level_xpos;
10393   int ly = sy + level_ypos;
10394
10395   if (element == -1)
10396     DrawMiniElement(sx, sy, Feld[lx][ly]);
10397   else
10398     DrawAreaBorder(sx, sy, sx, sy);
10399 }
10400
10401 static void CheckLevelBorderElement(boolean redraw_playfield)
10402 {
10403   int last_border_element = BorderElement;
10404
10405   SetBorderElement();
10406
10407   if (redraw_playfield && BorderElement != last_border_element)
10408     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10409 }
10410
10411 static void CopyLevelToUndoBuffer(int mode)
10412 {
10413   static boolean accumulated_undo = FALSE;
10414   boolean new_undo_buffer_position = TRUE;
10415   int x, y;
10416
10417   switch (mode)
10418   {
10419     case UNDO_IMMEDIATE:
10420       accumulated_undo = FALSE;
10421       break;
10422
10423     case UNDO_ACCUMULATE:
10424       if (accumulated_undo)
10425         new_undo_buffer_position = FALSE;
10426       accumulated_undo = TRUE;
10427       break;
10428
10429     default:
10430       break;
10431   }
10432
10433   if (new_undo_buffer_position)
10434   {
10435     /* new position in undo buffer ring */
10436     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10437
10438     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10439       undo_buffer_steps++;
10440   }
10441
10442   for (x = 0; x < lev_fieldx; x++)
10443     for (y = 0; y < lev_fieldy; y++)
10444       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10445
10446   /* check if drawing operation forces change of border style */
10447   CheckLevelBorderElement(TRUE);
10448
10449   level.changed = TRUE;
10450 }
10451
10452 static void RandomPlacement(int new_element)
10453 {
10454   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10455   int num_free_positions = 0;
10456   int num_percentage, num_elements;
10457   int x, y;
10458
10459   ResetIntelliDraw();
10460
10461   /* determine number of free positions for randomly placing the new element */
10462   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10463   {
10464     free_position[x][y] =
10465       (random_placement_background_restricted ?
10466        Feld[x][y] == random_placement_background_element :
10467        Feld[x][y] != new_element);
10468
10469     if (free_position[x][y])
10470       num_free_positions++;
10471   }
10472
10473   /* determine number of new elements to place there */
10474   num_percentage = num_free_positions * random_placement_value / 100;
10475   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10476                   num_percentage : random_placement_value);
10477
10478   /* if less free positions than elements to place, fill all these positions */
10479   if (num_free_positions < num_elements)
10480   {
10481     for (x = 0; x < lev_fieldx; x++)
10482       for (y = 0; y < lev_fieldy; y++)
10483         if (free_position[x][y])
10484           SetElement(x, y, new_element);
10485   }
10486   else
10487   {
10488     while (num_elements > 0)
10489     {
10490       x = GetSimpleRandom(lev_fieldx);
10491       y = GetSimpleRandom(lev_fieldy);
10492
10493       /* don't place element at the same position twice */
10494       if (free_position[x][y])
10495       {
10496         free_position[x][y] = FALSE;
10497         SetElement(x, y, new_element);
10498         num_elements--;
10499       }
10500     }
10501   }
10502
10503   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10504   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10505 }
10506
10507 void WrapLevel(int dx, int dy)
10508 {
10509   int wrap_dx = lev_fieldx - dx;
10510   int wrap_dy = lev_fieldy - dy;
10511   int x, y;
10512
10513   for (x = 0; x < lev_fieldx; x++)
10514     for (y = 0; y < lev_fieldy; y++)
10515       FieldBackup[x][y] = Feld[x][y];
10516
10517   for (x = 0; x < lev_fieldx; x++)
10518     for (y = 0; y < lev_fieldy; y++)
10519       Feld[x][y] =
10520         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10521
10522   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10523   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10524 }
10525
10526 static void HandleDrawingAreas(struct GadgetInfo *gi)
10527 {
10528   static boolean started_inside_drawing_area = FALSE;
10529   int id = gi->custom_id;
10530   boolean button_press_event;
10531   boolean button_release_event;
10532   boolean inside_drawing_area = !gi->event.off_borders;
10533   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10534   int actual_drawing_function;
10535   int button = gi->event.button;
10536   int new_element = BUTTON_ELEMENT(button);
10537   int sx = gi->event.x, sy = gi->event.y;
10538   int min_sx = 0, min_sy = 0;
10539   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10540   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10541   int lx = 0, ly = 0;
10542   int min_lx = 0, min_ly = 0;
10543   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10544   int x, y;
10545
10546   /* handle info callback for each invocation of action callback */
10547   gi->callback_info(gi);
10548
10549   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10550   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10551
10552   /* make sure to stay inside drawing area boundaries */
10553   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10554   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10555
10556   if (draw_level)
10557   {
10558     /* get positions inside level field */
10559     lx = sx + level_xpos;
10560     ly = sy + level_ypos;
10561
10562     if (!IN_LEV_FIELD(lx, ly))
10563       inside_drawing_area = FALSE;
10564
10565     /* make sure to stay inside level field boundaries */
10566     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10567     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10568
10569     /* correct drawing area positions accordingly */
10570     sx = lx - level_xpos;
10571     sy = ly - level_ypos;
10572   }
10573
10574   if (button_press_event)
10575     started_inside_drawing_area = inside_drawing_area;
10576
10577   if (!started_inside_drawing_area)
10578     return;
10579
10580   if (!IS_VALID_BUTTON(button))
10581     return;
10582
10583   if (!button && !button_release_event)
10584     return;
10585
10586   /* automatically switch to 'single item' drawing mode, if needed */
10587   actual_drawing_function =
10588     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10589      drawing_function : GADGET_ID_SINGLE_ITEMS);
10590
10591   /* clicking into drawing area with pressed Control key picks element */
10592   if (GetKeyModState() & KMOD_Control)
10593   {
10594     last_drawing_function = drawing_function;
10595     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10596   }
10597
10598   if (GetKeyModState() & KMOD_Shift)
10599   {
10600     if (button_press_event || button_release_event)
10601       ResetIntelliDraw();
10602   }
10603
10604   switch (actual_drawing_function)
10605   {
10606     case GADGET_ID_SINGLE_ITEMS:
10607       if (draw_level)
10608       {
10609         if (button_release_event)
10610         {
10611           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10612
10613           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10614               !inside_drawing_area)
10615             DeleteBrushFromCursor();
10616         }
10617
10618         if (!button || button_release_event)
10619           break;
10620
10621         if (draw_with_brush)
10622         {
10623           CopyBrushToLevel(sx, sy, button);
10624         }
10625         else
10626         {
10627           if (new_element == EL_PLAYER_1)
10628           {
10629             /* remove player at old position */
10630             for (y = 0; y < lev_fieldy; y++)
10631               for (x = 0; x < lev_fieldx; x++)
10632                 if (Feld[x][y] == EL_PLAYER_1)
10633                   SetElement(x, y, EL_EMPTY);
10634           }
10635
10636           SetElementButton(lx, ly, new_element, button);
10637         }
10638       }
10639       else
10640       {
10641         int type_id = gi->custom_type_id;
10642         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10643
10644         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10645           DrawMiniGraphicExt(drawto,
10646                              gi->x + sx * MINI_TILEX,
10647                              gi->y + sy * MINI_TILEY,
10648                              el2edimg(new_element));
10649         else
10650           DrawFixedGraphicExt(drawto,
10651                               gi->x + sx * TILEX,
10652                               gi->y + sy * TILEY,
10653                               el2img(new_element), 0);
10654
10655         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10656           new_element = GFX_ELEMENT(new_element);
10657
10658         drawingarea_info[type_id].value[pos] = new_element;
10659
10660         CopyElementPropertiesToGame(properties_element);
10661
10662         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10663         {
10664           UpdateCustomElementGraphicGadgets();
10665
10666           FrameCounter = 0;     /* restart animation frame counter */
10667         }
10668       }
10669       break;
10670
10671     case GADGET_ID_CONNECTED_ITEMS:
10672       {
10673         static int last_sx = -1;
10674         static int last_sy = -1;
10675
10676         if (button_release_event)
10677           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10678
10679         if (button)
10680         {
10681           if (!button_press_event)
10682             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10683
10684           last_sx = sx;
10685           last_sy = sy;
10686         }
10687       }
10688       break;
10689
10690     case GADGET_ID_LINE:
10691     case GADGET_ID_ARC:
10692     case GADGET_ID_RECTANGLE:
10693     case GADGET_ID_FILLED_BOX:
10694     case GADGET_ID_GRAB_BRUSH:
10695     case GADGET_ID_TEXT:
10696       {
10697         static int last_sx = -1;
10698         static int last_sy = -1;
10699         static int start_sx = -1;
10700         static int start_sy = -1;
10701         void (*draw_func)(int, int, int, int, int, boolean);
10702
10703         if (drawing_function == GADGET_ID_LINE)
10704           draw_func = DrawLine;
10705         else if (drawing_function == GADGET_ID_ARC)
10706           draw_func = DrawArc;
10707         else if (drawing_function == GADGET_ID_RECTANGLE)
10708           draw_func = DrawBox;
10709         else if (drawing_function == GADGET_ID_FILLED_BOX)
10710           draw_func = DrawFilledBox;
10711         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10712           draw_func = SelectArea;
10713         else /* (drawing_function == GADGET_ID_TEXT) */
10714           draw_func = SetTextCursor;
10715
10716         if (button_press_event)
10717         {
10718           draw_func(sx, sy, sx, sy, new_element, FALSE);
10719           start_sx = last_sx = sx;
10720           start_sy = last_sy = sy;
10721
10722           if (drawing_function == GADGET_ID_TEXT)
10723             DrawLevelText(0, 0, 0, TEXT_END);
10724         }
10725         else if (button_release_event)
10726         {
10727           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10728           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10729           {
10730             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10731             CopyBrushToCursor(sx, sy);
10732             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10733                           MB_LEFTBUTTON);
10734             draw_with_brush = TRUE;
10735           }
10736           else if (drawing_function == GADGET_ID_TEXT)
10737             DrawLevelText(sx, sy, 0, TEXT_INIT);
10738           else
10739             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10740         }
10741         else if (last_sx != sx || last_sy != sy)
10742         {
10743           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10744           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10745           last_sx = sx;
10746           last_sy = sy;
10747         }
10748       }
10749       break;
10750
10751     case GADGET_ID_FLOOD_FILL:
10752       if (button_press_event && Feld[lx][ly] != new_element)
10753       {
10754         FloodFill(lx, ly, new_element);
10755         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10756         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10757       }
10758       break;
10759
10760     case GADGET_ID_PICK_ELEMENT:
10761       if (button_release_event)
10762         ClickOnGadget(level_editor_gadget[last_drawing_function],
10763                       MB_LEFTBUTTON);
10764       else if (draw_level)
10765         PickDrawingElement(button, Feld[lx][ly]);
10766       else
10767       {
10768         int type_id = gi->custom_type_id;
10769         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10770
10771         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10772       }
10773
10774       break;
10775
10776     default:
10777       break;
10778   }
10779 }
10780
10781 static void HandleCounterButtons(struct GadgetInfo *gi)
10782 {
10783   int gadget_id = gi->custom_id;
10784   int counter_id = gi->custom_type_id;
10785   int button = gi->event.button;
10786   int *counter_value = counterbutton_info[counter_id].value;
10787   int step = BUTTON_STEPSIZE(button) *
10788     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10789
10790   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10791   {
10792     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10793     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10794     boolean level_changed = LevelChanged();
10795
10796     if ((level_changed && pressed) || (!level_changed && released))
10797       return;
10798
10799     if (level_changed && !Request("Level has changed! Discard changes?",
10800                                   REQ_ASK))
10801     {
10802       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10803         ModifyEditorCounterValue(counter_id, *counter_value);
10804
10805       return;
10806     }
10807   }
10808
10809   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10810     *counter_value = gi->textinput.number_value;
10811   else
10812     ModifyEditorCounterValue(counter_id, *counter_value + step);
10813
10814   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10815   {
10816       LoadLevel(level_nr);
10817       LoadScore(level_nr);
10818
10819       TapeErase();
10820
10821       ResetUndoBuffer();
10822       DrawEditModeWindow();
10823
10824       return;
10825   }
10826
10827   switch (counter_id)
10828   {
10829     case ED_COUNTER_ID_YAMYAM_CONTENT:
10830       DrawYamYamContentAreas();
10831       break;
10832
10833     case ED_COUNTER_ID_BALL_CONTENT:
10834       DrawMagicBallContentAreas();
10835       break;
10836
10837     case ED_COUNTER_ID_ANDROID_CONTENT:
10838       DrawAndroidElementArea(properties_element);
10839       break;
10840
10841     case ED_COUNTER_ID_GROUP_CONTENT:
10842       DrawGroupElementArea(properties_element);
10843       CopyGroupElementPropertiesToGame(properties_element);
10844       break;
10845
10846     case ED_COUNTER_ID_INVENTORY_SIZE:
10847       DrawPlayerInitialInventoryArea(properties_element);
10848       break;
10849
10850     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10851     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10852       DrawEnvelopeTextArea(-1);
10853       break;
10854
10855     case ED_COUNTER_ID_LEVEL_XSIZE:
10856     case ED_COUNTER_ID_LEVEL_YSIZE:
10857       lev_fieldx = level.fieldx;
10858       lev_fieldy = level.fieldy;
10859       break;
10860
10861     default:
10862       break;
10863   }
10864
10865   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10866        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10867       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10868        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10869     CopyElementPropertiesToGame(properties_element);
10870
10871   level.changed = TRUE;
10872 }
10873
10874 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10875 {
10876   int type_id = gi->custom_type_id;
10877
10878   strcpy(textinput_info[type_id].value, gi->textinput.value);
10879
10880   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10881   {
10882     CopyElementPropertiesToGame(properties_element);
10883
10884     ModifyEditorElementList();  /* update changed button info text */
10885   }
10886
10887   level.changed = TRUE;
10888 }
10889
10890 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10891 {
10892   int type_id = gi->custom_type_id;
10893
10894   strncpy(textarea_info[type_id].value, gi->textarea.value,
10895           MAX_ENVELOPE_TEXT_LEN);
10896   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10897
10898   level.changed = TRUE;
10899 }
10900
10901 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10902 {
10903   int type_id = gi->custom_type_id;
10904   int value_old = *selectbox_info[type_id].value;
10905   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10906
10907   *selectbox_info[type_id].value = value_new;
10908
10909   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10910   {
10911     element_info[properties_element].current_change_page = gi->selectbox.index;
10912
10913     DrawPropertiesWindow();
10914   }
10915   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10916             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10917            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10918             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10919            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10920   {
10921     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10922     {
10923       /* when changing action type, also check action mode and action arg */
10924       if (value_old != value_new)
10925         setSelectboxSpecialActionVariablesIfNeeded();
10926
10927       DrawPropertiesChange();
10928     }
10929
10930     CopyElementPropertiesToGame(properties_element);
10931
10932     level.changed = TRUE;
10933   }
10934 }
10935
10936 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10937 {
10938   int type_id = gi->custom_type_id;
10939   int i;
10940
10941   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
10942       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
10943   {
10944     edit_mode_levelinfo = gi->custom_type_id;
10945
10946     DrawLevelInfoWindow();
10947   }
10948   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10949            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10950   {
10951     edit_mode_properties = gi->custom_type_id;
10952
10953     DrawPropertiesWindow();
10954   }
10955   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10956   {
10957     char *template_filename = getDefaultLevelFilename(-1);
10958     boolean new_template = !fileExists(template_filename);
10959
10960     /* backup original "level.field" (needed to track playfield changes) */
10961     CopyPlayfield(level.field, FieldBackup);
10962
10963     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
10964     CopyPlayfield(Feld, level.field);
10965
10966     if (new_template ||
10967         Request("Save this template and kill the old?", REQ_ASK))
10968       SaveLevelTemplate();
10969
10970     if (new_template)
10971       Request("Template saved!", REQ_CONFIRM);
10972
10973     /* restore original "level.field" (needed to track playfield changes) */
10974     CopyPlayfield(FieldBackup, level.field);
10975   }
10976   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10977            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10978   {
10979     struct ElementInfo *ei = &element_info[properties_element];
10980
10981     setElementChangePages(ei, ei->num_change_pages + 1);
10982
10983     /* set new change page to be new current change page */
10984     ei->current_change_page = ei->num_change_pages - 1;
10985     ei->change = &ei->change_page[ei->current_change_page];
10986
10987     setElementChangeInfoToDefaults(ei->change);
10988
10989     DrawPropertiesWindow();
10990
10991     level.changed = TRUE;
10992   }
10993   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10994            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10995   {
10996     struct ElementInfo *ei = &element_info[properties_element];
10997
10998     /* copy all change pages after change page to be deleted */
10999     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11000       ei->change_page[i] = ei->change_page[i + 1];
11001
11002     setElementChangePages(ei, ei->num_change_pages - 1);
11003
11004     DrawPropertiesWindow();
11005
11006     level.changed = TRUE;
11007   }
11008 }
11009
11010 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11011 {
11012   int type_id = gi->custom_type_id;
11013
11014   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11015       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11016   {
11017     struct ElementInfo *ei = &element_info[properties_element];
11018     int step = BUTTON_STEPSIZE(gi->event.button);
11019
11020     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11021     ei->current_change_page += step;
11022
11023     if (ei->current_change_page < 0)
11024       ei->current_change_page = 0;
11025     else if (ei->current_change_page >= ei->num_change_pages)
11026       ei->current_change_page = ei->num_change_pages - 1;
11027
11028     DrawPropertiesWindow();
11029   }
11030   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11031            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11032   {
11033     struct ElementInfo *ei = &element_info[properties_element];
11034     int current_change_page = ei->current_change_page;
11035
11036     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11037       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11038         ei->change_page[current_change_page];
11039     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11040     {
11041       ei->change_page[current_change_page] =
11042         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11043
11044       level.changed = TRUE;
11045     }
11046
11047     DrawPropertiesWindow();
11048   }
11049 }
11050
11051 static void HandleRadiobuttons(struct GadgetInfo *gi)
11052 {
11053   *radiobutton_info[gi->custom_type_id].value =
11054     radiobutton_info[gi->custom_type_id].checked_value;
11055
11056   level.changed = TRUE;
11057 }
11058
11059 static void HandleCheckbuttons(struct GadgetInfo *gi)
11060 {
11061   int type_id = gi->custom_type_id;
11062
11063   *checkbutton_info[type_id].value ^= TRUE;
11064
11065   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11066       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11067       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11068       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11069          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11070         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11071          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11072        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11073   {
11074     CopyElementPropertiesToGame(properties_element);
11075   }
11076
11077   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11078   {
11079     UpdateCustomElementGraphicGadgets();
11080   }
11081   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11082   {
11083     char *template_filename = getDefaultLevelFilename(-1);
11084
11085     if (level.use_custom_template && !fileExists(template_filename))
11086     {
11087       Request("No level template found!", REQ_CONFIRM);
11088
11089       level.use_custom_template = FALSE;
11090       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11091
11092       return;
11093     }
11094
11095     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11096
11097     DrawEditModeWindow();
11098   }
11099
11100   level.changed = TRUE;
11101 }
11102
11103 static void HandleControlButtons(struct GadgetInfo *gi)
11104 {
11105   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11106   static int last_edit_mode = ED_MODE_DRAWING;
11107   static int last_custom_copy_mode = -1;
11108   int id = gi->custom_id;
11109   int button = gi->event.button;
11110   int step = BUTTON_STEPSIZE(button);
11111   int new_element = BUTTON_ELEMENT(button);
11112   int x, y;
11113
11114   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11115     DrawLevelText(0, 0, 0, TEXT_END);
11116
11117   if (id < ED_NUM_CTRL1_BUTTONS &&
11118       id != GADGET_ID_SINGLE_ITEMS &&
11119       id != GADGET_ID_PICK_ELEMENT &&
11120       edit_mode != ED_MODE_DRAWING &&
11121       drawing_function != GADGET_ID_PICK_ELEMENT &&
11122       !(GetKeyModState() & KMOD_Control))
11123   {
11124     DrawDrawingWindow();
11125     edit_mode = ED_MODE_DRAWING;
11126   }
11127
11128   /* element copy mode active, but no element button pressed => deactivate */
11129   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11130     last_custom_copy_mode = -1;
11131
11132   switch (id)
11133   {
11134     case GADGET_ID_SCROLL_LEFT:
11135       if (level_xpos >= 0)
11136       {
11137         if (lev_fieldx < ed_fieldx - 2)
11138           break;
11139
11140         level_xpos -= step;
11141         if (level_xpos < -1)
11142           level_xpos = -1;
11143         if (button == 1)
11144           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11145         else
11146           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11147
11148         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11149                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11150       }
11151       break;
11152
11153     case GADGET_ID_SCROLL_RIGHT:
11154       if (level_xpos <= lev_fieldx - ed_fieldx)
11155       {
11156         if (lev_fieldx < ed_fieldx - 2)
11157           break;
11158
11159         level_xpos += step;
11160         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11161           level_xpos = lev_fieldx - ed_fieldx + 1;
11162         if (button == 1)
11163           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11164         else
11165           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11166
11167         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11168                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11169       }
11170       break;
11171
11172     case GADGET_ID_SCROLL_UP:
11173       if (level_ypos >= 0)
11174       {
11175         if (lev_fieldy < ed_fieldy - 2)
11176           break;
11177
11178         level_ypos -= step;
11179         if (level_ypos < -1)
11180           level_ypos = -1;
11181         if (button == 1)
11182           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11183         else
11184           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11185
11186         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11187                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11188       }
11189       break;
11190
11191     case GADGET_ID_SCROLL_DOWN:
11192       if (level_ypos <= lev_fieldy - ed_fieldy)
11193       {
11194         if (lev_fieldy < ed_fieldy - 2)
11195           break;
11196
11197         level_ypos += step;
11198         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11199           level_ypos = lev_fieldy - ed_fieldy + 1;
11200         if (button == 1)
11201           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11202         else
11203           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11204
11205         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11206                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11207       }
11208       break;
11209
11210     case GADGET_ID_SCROLL_HORIZONTAL:
11211       level_xpos = gi->event.item_position - 1;
11212       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11213       break;
11214
11215     case GADGET_ID_SCROLL_VERTICAL:
11216       level_ypos = gi->event.item_position - 1;
11217       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11218       break;
11219
11220     case GADGET_ID_SCROLL_LIST_UP:
11221     case GADGET_ID_SCROLL_LIST_DOWN:
11222     case GADGET_ID_SCROLL_LIST_VERTICAL:
11223       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11224         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11225       else
11226       {
11227         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11228         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11229
11230         if (element_shift < 0)
11231           element_shift = 0;
11232         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11233           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11234
11235         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11236                      GDI_SCROLLBAR_ITEM_POSITION,
11237                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11238       }
11239
11240       ModifyEditorElementList();
11241
11242       break;
11243
11244     case GADGET_ID_PROPERTIES:
11245       if (edit_mode != ED_MODE_PROPERTIES)
11246       {
11247         properties_element = new_element;
11248         DrawPropertiesWindow();
11249         edit_mode = ED_MODE_PROPERTIES;
11250
11251         last_level_drawing_function = drawing_function;
11252         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11253                       MB_LEFTBUTTON);
11254       }
11255       else
11256       {
11257         DrawDrawingWindow();
11258         edit_mode = ED_MODE_DRAWING;
11259
11260         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11261                       MB_LEFTBUTTON);
11262       }
11263       break;
11264
11265     case GADGET_ID_WRAP_LEFT:
11266       WrapLevel(-step, 0);
11267       break;
11268
11269     case GADGET_ID_WRAP_RIGHT:
11270       WrapLevel(step, 0);
11271       break;
11272
11273     case GADGET_ID_WRAP_UP:
11274       WrapLevel(0, -step);
11275       break;
11276
11277     case GADGET_ID_WRAP_DOWN:
11278       WrapLevel(0, step);
11279       break;
11280
11281     case GADGET_ID_SINGLE_ITEMS:
11282     case GADGET_ID_CONNECTED_ITEMS:
11283     case GADGET_ID_LINE:
11284     case GADGET_ID_ARC:
11285     case GADGET_ID_TEXT:
11286     case GADGET_ID_RECTANGLE:
11287     case GADGET_ID_FILLED_BOX:
11288     case GADGET_ID_FLOOD_FILL:
11289     case GADGET_ID_GRAB_BRUSH:
11290     case GADGET_ID_PICK_ELEMENT:
11291       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11292         last_drawing_function = drawing_function;
11293       drawing_function = id;
11294       draw_with_brush = FALSE;
11295       break;
11296
11297     case GADGET_ID_RANDOM_PLACEMENT:
11298       RandomPlacement(new_element);
11299       break;
11300
11301     case GADGET_ID_ZOOM:
11302       printf("::: zoom button pressed with mouse button %d\n", button);
11303       break;
11304
11305     case GADGET_ID_CUSTOM_COPY_FROM:
11306     case GADGET_ID_CUSTOM_COPY_TO:
11307     case GADGET_ID_CUSTOM_EXCHANGE:
11308       last_custom_copy_mode = id;
11309       last_drawing_function = drawing_function;
11310       break;
11311
11312     case GADGET_ID_CUSTOM_COPY:
11313       CopyCustomElement(properties_element, -1, id);
11314       break;
11315
11316     case GADGET_ID_CUSTOM_PASTE:
11317       CopyCustomElement(-1, properties_element, id);
11318       break;
11319
11320     case GADGET_ID_UNDO:
11321       if (undo_buffer_steps == 0)
11322       {
11323         Request("Undo buffer empty!", REQ_CONFIRM);
11324         break;
11325       }
11326
11327       if (edit_mode != ED_MODE_DRAWING)
11328       {
11329         DrawDrawingWindow();
11330         edit_mode = ED_MODE_DRAWING;
11331       }
11332
11333       undo_buffer_position =
11334         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11335       undo_buffer_steps--;
11336
11337       for (x = 0; x < lev_fieldx; x++)
11338         for (y = 0; y < lev_fieldy; y++)
11339           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11340
11341       /* check if undo operation forces change of border style */
11342       CheckLevelBorderElement(FALSE);
11343
11344       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11345
11346       break;
11347
11348     case GADGET_ID_INFO:
11349       if (edit_mode != ED_MODE_INFO)
11350       {
11351         last_edit_mode = edit_mode;
11352         edit_mode = ED_MODE_INFO;
11353
11354         DrawLevelInfoWindow();
11355       }
11356       else
11357       {
11358         edit_mode = last_edit_mode;
11359
11360         DrawEditModeWindow();
11361       }
11362       break;
11363
11364     case GADGET_ID_CLEAR:
11365       if (edit_mode != ED_MODE_DRAWING)
11366       {
11367         DrawDrawingWindow();
11368         edit_mode = ED_MODE_DRAWING;
11369       }
11370
11371       for (x = 0; x < MAX_LEV_FIELDX; x++)
11372         for (y = 0; y < MAX_LEV_FIELDY; y++)
11373           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11374
11375       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11376
11377       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11378       break;
11379
11380     case GADGET_ID_SAVE:
11381     {
11382       /* saving read-only levels into personal level set modifies global vars
11383          "leveldir_current" and "level_nr"; restore them after saving level */
11384       LevelDirTree *leveldir_former = leveldir_current;
11385       int level_nr_former = level_nr;
11386       char *level_filename;
11387       boolean new_level;
11388
11389       if (leveldir_current->readonly &&
11390           !PrepareSavingIntoPersonalLevelSet())
11391         break;
11392
11393       level_filename = getDefaultLevelFilename(level_nr);
11394       new_level = !fileExists(level_filename);
11395
11396       if (new_level ||
11397           Request("Save this level and kill the old?", REQ_ASK))
11398       {
11399         if (leveldir_former->readonly)
11400           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11401
11402         CopyPlayfield(Feld, level.field);
11403         SaveLevel(level_nr);
11404
11405         level.changed = FALSE;
11406
11407         if (new_level)
11408         {
11409           char level_saved_msg[64];
11410
11411           if (leveldir_former->readonly)
11412             sprintf(level_saved_msg,
11413                     "Level saved as level %d into personal level set!",
11414                     level_nr);
11415           else
11416             strcpy(level_saved_msg, "Level saved!");
11417
11418           Request(level_saved_msg, REQ_CONFIRM);
11419         }
11420       }
11421
11422       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11423       leveldir_current = leveldir_former;
11424       level_nr = level_nr_former;
11425
11426       break;
11427     }
11428
11429     case GADGET_ID_TEST:
11430       if (LevelChanged())
11431         level.game_version = GAME_VERSION_ACTUAL;
11432
11433       CopyPlayfield(level.field, FieldBackup);
11434       CopyPlayfield(Feld, level.field);
11435
11436       CopyNativeLevel_RND_to_Native(&level);
11437
11438       UnmapLevelEditorGadgets();
11439       UndrawSpecialEditorDoor();
11440
11441       CloseDoor(DOOR_CLOSE_ALL);
11442
11443       /* needed before playing if editor playfield area has different size */
11444       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11445
11446       // redraw_mask = REDRAW_ALL;
11447
11448       level_editor_test_game = TRUE;
11449
11450       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11451
11452       break;
11453
11454     case GADGET_ID_EXIT:
11455       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11456       break;
11457
11458     default:
11459       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11460           id <= GADGET_ID_ELEMENTLIST_LAST)
11461       {
11462         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11463         int new_element = editor_elements[element_position + element_shift];
11464
11465         if (IS_EDITOR_CASCADE(new_element))
11466         {
11467           int i;
11468
11469           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11470           {
11471             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11472             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11473
11474             if (*cascade_element == new_element)
11475             {
11476               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11477               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11478
11479               /* update element selection list */
11480               ReinitializeElementList();
11481               ModifyEditorElementList();
11482
11483               /* update cascading gadget info text */
11484               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11485
11486               /* save current editor cascading state */
11487               SaveSetup_EditorCascade();
11488
11489               break;
11490             }
11491           }
11492
11493           break;
11494         }
11495
11496         if (last_custom_copy_mode != -1)
11497         {
11498           if (CopyCustomElement(properties_element, new_element,
11499                                 last_custom_copy_mode))
11500           {
11501             ClickOnGadget(level_editor_gadget[last_drawing_function],
11502                           MB_LEFTBUTTON);
11503
11504             last_custom_copy_mode = -1;
11505           }
11506
11507           break;
11508         }
11509
11510         PickDrawingElement(button, new_element);
11511
11512         if (!stick_element_properties_window &&
11513             drawing_function != GADGET_ID_PICK_ELEMENT &&
11514             !(GetKeyModState() & KMOD_Control))
11515         {
11516           properties_element = new_element;
11517           if (edit_mode == ED_MODE_PROPERTIES)
11518             DrawPropertiesWindow();
11519         }
11520
11521         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11522           ClickOnGadget(level_editor_gadget[last_drawing_function],
11523                         MB_LEFTBUTTON);
11524       }
11525 #ifdef DEBUG
11526       else if (gi->event.type == GD_EVENT_PRESSED)
11527         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11528       else if (gi->event.type == GD_EVENT_RELEASED)
11529         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11530       else if (gi->event.type == GD_EVENT_MOVING)
11531         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11532       else
11533         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11534 #endif
11535       break;
11536   }
11537 }
11538
11539 void HandleLevelEditorKeyInput(Key key)
11540 {
11541   char letter = getCharFromKey(key);
11542   int button = MB_LEFTBUTTON;
11543
11544   if (drawing_function == GADGET_ID_TEXT &&
11545       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11546   {
11547     if (letter)
11548       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11549     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11550       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11551     else if (key == KSYM_Return)
11552       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11553     else if (key == KSYM_Escape)
11554       DrawLevelText(0, 0, 0, TEXT_END);
11555   }
11556   else if (button_status == MB_RELEASED)
11557   {
11558     int id = GADGET_ID_NONE;
11559     int new_element_shift = element_shift;
11560     int i;
11561
11562     switch (key)
11563     {
11564       case KSYM_Left:
11565         id = GADGET_ID_SCROLL_LEFT;
11566         break;
11567       case KSYM_Right:
11568         id = GADGET_ID_SCROLL_RIGHT;
11569         break;
11570       case KSYM_Up:
11571         id = GADGET_ID_SCROLL_UP;
11572         break;
11573       case KSYM_Down:
11574         id = GADGET_ID_SCROLL_DOWN;
11575         break;
11576       case KSYM_Page_Up:
11577         id = GADGET_ID_SCROLL_LIST_UP;
11578         button = MB_RIGHTBUTTON;
11579         break;
11580       case KSYM_Page_Down:
11581         id = GADGET_ID_SCROLL_LIST_DOWN;
11582         button = MB_RIGHTBUTTON;
11583         break;
11584
11585       case KSYM_Home:
11586       case KSYM_End:
11587         element_shift = (key == KSYM_Home ? 0 :
11588                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11589
11590         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11591                      GDI_SCROLLBAR_ITEM_POSITION,
11592                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11593
11594         ModifyEditorElementList();
11595
11596         break;
11597
11598       case KSYM_Insert:
11599       case KSYM_Delete:
11600
11601         /* this is needed to prevent interference with running "True X-Mouse" */
11602         if (GetKeyModStateFromEvents() & KMOD_Control)
11603           break;
11604
11605         /* check for last or next editor cascade block in element list */
11606         for (i = 0; i < num_editor_elements; i++)
11607         {
11608           if ((key == KSYM_Insert && i == element_shift) ||
11609               (key == KSYM_Delete && new_element_shift > element_shift))
11610             break;
11611
11612           /* jump to next cascade block (or to start of element list) */
11613           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11614             new_element_shift = i;
11615         }
11616
11617         if (i < num_editor_elements)
11618           element_shift = new_element_shift;
11619
11620         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11621           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11622
11623         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11624                      GDI_SCROLLBAR_ITEM_POSITION,
11625                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11626
11627         ModifyEditorElementList();
11628
11629         break;
11630
11631       case KSYM_Escape:
11632         if (edit_mode == ED_MODE_DRAWING)
11633         {
11634           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11635         }
11636         else if (edit_mode == ED_MODE_INFO)
11637         {
11638           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11639         }
11640         else if (edit_mode == ED_MODE_PROPERTIES)
11641         {
11642           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11643         }
11644         else            /* should never happen */
11645         {
11646           DrawDrawingWindow();
11647           edit_mode = ED_MODE_DRAWING;
11648         }
11649
11650         break;
11651
11652       default:
11653         break;
11654     }
11655
11656     if (id != GADGET_ID_NONE)
11657       ClickOnGadget(level_editor_gadget[id], button);
11658     else if (letter >= '1' && letter <= '3')
11659       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11660     else if (letter == '?')
11661       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11662     else if (letter == '.')
11663       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11664     else if (key == KSYM_Return ||
11665              key == KSYM_space ||
11666              key == setup.shortcut.toggle_pause)
11667       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11668     else
11669       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11670         if (letter && letter == control_info[i].shortcut)
11671           if (!anyTextGadgetActive())
11672             ClickOnGadget(level_editor_gadget[i], button);
11673   }
11674 }
11675
11676 void HandleLevelEditorIdle()
11677 {
11678   static unsigned int action_delay = 0;
11679   unsigned int action_delay_value = GameFrameDelay;
11680   int xpos = 1, ypos = 2;
11681   int i;
11682
11683   if (edit_mode != ED_MODE_PROPERTIES)
11684     return;
11685
11686   if (!DelayReached(&action_delay, action_delay_value))
11687     return;
11688
11689   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11690   {
11691     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11692
11693     if (gi->mapped && gi->active && gi->selectbox.open)
11694       return;
11695   }
11696
11697   DrawEditorElementAnimation(SX + xpos * TILEX,
11698                              SY + ypos * TILEY + MINI_TILEY / 2);
11699
11700   MarkTileDirty(xpos, ypos);
11701   MarkTileDirty(xpos, ypos + 1);
11702
11703   FrameCounter++;       /* increase animation frame counter */
11704 }
11705
11706 void ClearEditorGadgetInfoText()
11707 {
11708   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11709 }
11710
11711 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11712 {
11713   char infotext[MAX_OUTPUT_LINESIZE + 1];
11714   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11715   int max_infotext_len = getMaxInfoTextLength();
11716
11717   if (gi == NULL || gi->info_text == NULL)
11718     return;
11719
11720   strncpy(infotext, gi->info_text, max_infotext_len);
11721   infotext[max_infotext_len] = '\0';
11722
11723   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11724   {
11725     int key = control_info[gi->custom_id].shortcut;
11726
11727     if (key)
11728     {
11729       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11730         sprintf(shortcut, " ('.' or '%c')", key);
11731       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11732         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11733       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11734         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11735       else                                              /* normal case */
11736         sprintf(shortcut, " ('%s%c')",
11737                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11738
11739       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11740         strcat(infotext, shortcut);
11741     }
11742   }
11743
11744   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11745 }
11746
11747 void HandleEditorGadgetInfoText(void *ptr)
11748 {
11749   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11750
11751   if (game_status != GAME_MODE_EDITOR)
11752     return;
11753
11754   ClearEditorGadgetInfoText();
11755
11756   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11757     return;
11758
11759   /* misuse this function to delete brush cursor, if needed */
11760   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11761     DeleteBrushFromCursor();
11762
11763   PrintEditorGadgetInfoText(gi);
11764 }
11765
11766 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11767 {
11768   static int start_lx, start_ly;
11769   int id = gi->custom_id;
11770   int type_id = gi->custom_type_id;
11771   int sx = gi->event.x;
11772   int sy = gi->event.y;
11773   int lx = sx + level_xpos;
11774   int ly = sy + level_ypos;
11775   int min_sx = 0, min_sy = 0;
11776   int max_sx = gi->drawing.area_xsize - 1;
11777   int max_sy = gi->drawing.area_ysize - 1;
11778   int actual_drawing_function = drawing_function;
11779   int max_infotext_len = getMaxInfoTextLength();
11780   char infotext[MAX_OUTPUT_LINESIZE + 1];
11781   char *text;
11782
11783   infotext[0] = '\0';           /* start with empty info text */
11784
11785   /* pressed Control key: simulate picking element */
11786   if (GetKeyModState() & KMOD_Control)
11787     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11788
11789   ClearEditorGadgetInfoText();
11790
11791   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11792     return;
11793
11794   /* make sure to stay inside drawing area boundaries */
11795   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11796   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11797
11798   if (id == GADGET_ID_DRAWING_LEVEL)
11799   {
11800     if (button_status)
11801     {
11802       int min_lx = 0, min_ly = 0;
11803       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11804
11805       /* get positions inside level field */
11806       lx = sx + level_xpos;
11807       ly = sy + level_ypos;
11808
11809       /* make sure to stay inside level field boundaries */
11810       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11811       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11812
11813       /* correct drawing area positions accordingly */
11814       sx = lx - level_xpos;
11815       sy = ly - level_ypos;
11816     }
11817
11818     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11819     {
11820       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11821       {
11822         if (gi->event.type == GD_EVENT_PRESSED)
11823         {
11824           start_lx = lx;
11825           start_ly = ly;
11826         }
11827
11828         switch (actual_drawing_function)
11829         {
11830           case GADGET_ID_SINGLE_ITEMS:
11831             text = "Drawing single items";
11832             break;
11833           case GADGET_ID_CONNECTED_ITEMS:
11834             text = "Drawing connected items";
11835             break;
11836           case GADGET_ID_LINE:
11837             text = "Drawing line";
11838             break;
11839           case GADGET_ID_ARC:
11840             text = "Drawing arc";
11841             break;
11842           case GADGET_ID_TEXT:
11843             text = "Setting text cursor";
11844             break;
11845           case GADGET_ID_RECTANGLE:
11846             text = "Drawing rectangle";
11847             break;
11848           case GADGET_ID_FILLED_BOX:
11849             text = "Drawing filled box";
11850             break;
11851           case GADGET_ID_FLOOD_FILL:
11852             text = "Flood fill";
11853             break;
11854           case GADGET_ID_GRAB_BRUSH:
11855             text = "Grabbing brush";
11856             break;
11857           case GADGET_ID_PICK_ELEMENT:
11858             text = "Picking element";
11859             break;
11860
11861           default:
11862             text = "Drawing position";
11863             break;
11864         }
11865
11866         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11867           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11868         else
11869           sprintf(infotext, "%s: %d, %d", text,
11870                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11871       }
11872       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11873         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11874       else
11875         sprintf(infotext, "Level position: %d, %d", lx, ly);
11876     }
11877
11878     /* misuse this function to draw brush cursor, if needed */
11879     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11880     {
11881       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11882         CopyBrushToCursor(sx, sy);
11883       else
11884         DeleteBrushFromCursor();
11885     }
11886   }
11887   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11888   {
11889     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11890     int element = drawingarea_info[type_id].value[pos];
11891
11892     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11893   }
11894   else
11895   {
11896     if (id == GADGET_ID_CUSTOM_CONTENT)
11897       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11898     else if (id == GADGET_ID_GROUP_CONTENT)
11899       sprintf(infotext, "group element position: %d", sx + 1);
11900     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11901              id <= GADGET_ID_YAMYAM_CONTENT_7)
11902       sprintf(infotext, "content area %d position: %d, %d",
11903               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11904     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11905              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11906       sprintf(infotext, "content area %d position: %d, %d",
11907               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11908     else if (id == GADGET_ID_ANDROID_CONTENT)
11909       sprintf(infotext, "android element position: %d", sx + 1);
11910     else if (drawingarea_info[type_id].infotext != NULL)
11911       strcpy(infotext, drawingarea_info[type_id].infotext);
11912   }
11913
11914   infotext[max_infotext_len] = '\0';
11915
11916   if (strlen(infotext) > 0)
11917     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11918 }
11919
11920 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11921                             boolean quick_quit)
11922 {
11923   if (!ask_if_level_has_changed ||
11924       !LevelChanged() ||
11925       Request("Level has changed! Exit without saving?",
11926               REQ_ASK | REQ_STAY_OPEN))
11927   {
11928     SetDoorState(DOOR_CLOSE_2);
11929
11930     if (quick_quit)
11931       FadeSkipNextFadeIn();
11932
11933     game_status = GAME_MODE_MAIN;
11934
11935     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
11936   }
11937   else
11938   {
11939     if (!global.use_envelope_request)
11940     {
11941       CloseDoor(DOOR_CLOSE_1);
11942       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11943     }
11944   }
11945 }