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 /* positions in the level editor */
  35 #define ED_WIN_MB_LEFT_XPOS             (editor.palette.element_left.x)
  36 #define ED_WIN_MB_LEFT_YPOS             (editor.palette.element_left.y)
  37 #define ED_WIN_MB_MIDDLE_XPOS           (editor.palette.element_middle.x)
  38 #define ED_WIN_MB_MIDDLE_YPOS           (editor.palette.element_middle.y)
  39 #define ED_WIN_MB_RIGHT_XPOS            (editor.palette.element_right.x)
  40 #define ED_WIN_MB_RIGHT_YPOS            (editor.palette.element_right.y)
  41
  42 /* values for the control window */
  43 #define ED_CTRL_NO_BUTTONS_GFX_XPOS     6
  44 #define ED_CTRL_NO_BUTTONS_GFX_YPOS     286
  45 #define ED_CTRL1_BUTTONS_GFX_YPOS       236
  46 #define ED_CTRL2_BUTTONS_GFX_YPOS       236
  47 #define ED_CTRL3_BUTTONS_GFX_YPOS       324
  48 #define ED_CTRL4_BUTTONS_GFX_XPOS       44
  49 #define ED_CTRL4_BUTTONS_GFX_YPOS       214
  50 #define ED_CTRL1_BUTTONS_ALT_GFX_YPOS   142
  51 #define ED_CTRL3_BUTTONS_ALT_GFX_YPOS   302
  52
  53 #define ED_CTRL1_BUTTON_XSIZE           22
  54 #define ED_CTRL1_BUTTON_YSIZE           22
  55 #define ED_CTRL1_BUTTONS_XPOS           6
  56 #define ED_CTRL1_BUTTONS_YPOS           6
  57 #define ED_CTRL2_BUTTON_XSIZE           30
  58 #define ED_CTRL2_BUTTON_YSIZE           20
  59 #define ED_CTRL2_BUTTONS_XPOS           5
  60 #define ED_CTRL2_BUTTONS_YPOS           99
  61 #define ED_CTRL3_BUTTON_XSIZE           22
  62 #define ED_CTRL3_BUTTON_YSIZE           22
  63 #define ED_CTRL3_BUTTONS_XPOS           6
  64 #define ED_CTRL3_BUTTONS_YPOS           6
  65 #define ED_CTRL4_BUTTON_XSIZE           22
  66 #define ED_CTRL4_BUTTON_YSIZE           22
  67 #define ED_CTRL4_BUTTONS_XPOS           6
  68 #define ED_CTRL4_BUTTONS_YPOS           6
  69
  70 #define ED_CTRL1_BUTTONS_HORIZ          4
  71 #define ED_CTRL1_BUTTONS_VERT           4
  72 #define ED_CTRL2_BUTTONS_HORIZ          3
  73 #define ED_CTRL2_BUTTONS_VERT           2
  74 #define ED_CTRL3_BUTTONS_HORIZ          3
  75 #define ED_CTRL3_BUTTONS_VERT           1
  76 #define ED_CTRL4_BUTTONS_HORIZ          2
  77 #define ED_CTRL4_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_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  84 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  85 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS +  \
  86                                 ED_NUM_CTRL2_BUTTONS +  \
  87                                 ED_NUM_CTRL3_BUTTONS +  \
  88                                 ED_NUM_CTRL4_BUTTONS)
  89
  90 /* values for the element list */
  91 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  92 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  93 #define ED_ELEMENTLIST_XSIZE            20
  94 #define ED_ELEMENTLIST_YSIZE            20
  95 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  96 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  97 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  98                                          ED_ELEMENTLIST_BUTTONS_VERT)
  99
 100 /* standard distances */
 101 #define ED_BORDER_SIZE                  3
 102 #define ED_BORDER_TEXT_XSIZE            5
 103 #define ED_BORDER_AREA_YSIZE            1
 104
 105 #define ED_GADGET_DISTANCE              2
 106 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
 107 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
 108                                          MINI_TILEX / 2)
 109
 110 /* values for the settings windows */
 111 #define ED_LEVEL_SETTINGS_XSTART        (3 * MINI_TILEX / 2)
 112 #define ED_LEVEL_SETTINGS_YSTART        (7 * MINI_TILEY)
 113
 114 #define ED_ELEMENT_SETTINGS_XSTART      (3 * MINI_TILEX / 2)
 115 #define ED_ELEMENT_SETTINGS_YSTART      (10 * MINI_TILEY)
 116
 117 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE +         \
 118                                          2 * ED_GADGET_DISTANCE)
 119
 120 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
 121 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
 122 #define ED_SETTINGS_TAB_XOFFSET         124
 123
 124 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_LEVEL_SETTINGS_XSTART +     \
 125                                          (n) * ED_SETTINGS_XOFFSET)
 126 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_LEVEL_SETTINGS_YSTART +     \
 127                                          (n) * ED_SETTINGS_YOFFSET)
 128
 129 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_ELEMENT_SETTINGS_XSTART +   \
 130                                          (n) * ED_SETTINGS_XOFFSET)
 131 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_ELEMENT_SETTINGS_YSTART +   \
 132                                          (n) * ED_SETTINGS_YOFFSET)
 133
 134 #define ED_LEVEL_SETTINGS_TABS_XPOS(n)  (ED_LEVEL_SETTINGS_XPOS(0) +    \
 135                                         (n) * ED_SETTINGS_TAB_XOFFSET)
 136 #define ED_LEVEL_SETTINGS_TABS_YPOS(n)  (ED_LEVEL_SETTINGS_YSTART -     \
 137                                          3 * MINI_TILEY)
 138
 139 #define ED_ELEMENT_SETTINGS_TABS_XPOS(n) (ED_ELEMENT_SETTINGS_XPOS(0) + \
 140                                          (n) * ED_SETTINGS_TAB_XOFFSET)
 141 #define ED_ELEMENT_SETTINGS_TABS_YPOS(n) (ED_ELEMENT_SETTINGS_YSTART -  \
 142                                          2 * MINI_TILEY)
 143
 144 #define ED_SETTINGS1_YPOS               MINI_TILEY
 145 #define ED_SETTINGS2_XPOS               MINI_TILEX
 146 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 147
 148 /* values for counter gadgets */
 149 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 150 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 151 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART +            \
 152                                          (n) * ED_COUNTER_YDISTANCE)
 153 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART +            \
 154                                          (n) * ED_COUNTER_YDISTANCE - 2)
 155
 156 /* values for element content drawing areas */
 157 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 158 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 159                                          ED_GADGET_DISTANCE)
 160
 161 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 162 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 163                                          ED_GADGET_DISTANCE - MINI_TILEY)
 164
 165 /* yamyam content */
 166 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 167                                          5 * ((n) % 4) * MINI_TILEX)
 168 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (11 * ED_SETTINGS_YOFFSET +     \
 169                                          6 * ((n) / 4) * MINI_TILEY)
 170
 171 /* magic ball content */
 172 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS(n) (2 * MINI_TILEX +            \
 173                                             5 * ((n) % 4) * MINI_TILEX)
 174 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS(n) (12 * ED_SETTINGS_YOFFSET +  \
 175                                             6 * ((n) / 4) * MINI_TILEY)
 176
 177 /* values for scrolling gadgets for drawing area */
 178 #define ED_SCROLLBUTTON_XPOS            24
 179 #define ED_SCROLLBUTTON_YPOS            0
 180 #define ED_SCROLLBAR_XPOS               24
 181 #define ED_SCROLLBAR_YPOS               64
 182
 183 #define ED_SCROLLBUTTON_XSIZE           16
 184 #define ED_SCROLLBUTTON_YSIZE           16
 185
 186 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 187 #define ED_SCROLL_UP_YPOS               (0)
 188 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 189 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 190 #define ED_SCROLL_LEFT_XPOS             (0)
 191 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 192 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 193 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 194 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 195                                          ED_SCROLLBUTTON_XSIZE)
 196 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 197 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 198 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 199 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 200 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 201                                          ED_SCROLLBUTTON_YSIZE)
 202 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 203 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 204
 205 /* values for scrolling gadgets for element list */
 206 #define ED_SCROLLBUTTON2_XPOS           50
 207 #define ED_SCROLLBUTTON2_YPOS           0
 208 #define ED_SCROLLBAR2_XPOS              50
 209 #define ED_SCROLLBAR2_YPOS              20
 210
 211 #define ED_SCROLLBUTTON2_XSIZE          10
 212 #define ED_SCROLLBUTTON2_YSIZE          10
 213
 214 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 215                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 216                                          ED_ELEMENTLIST_XSIZE)
 217 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 218 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 219 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 220                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 221                                          ED_ELEMENTLIST_YSIZE -         \
 222                                          ED_SCROLLBUTTON2_YSIZE)
 223 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 224 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 225                                          ED_SCROLLBUTTON2_YSIZE)
 226 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 227 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 228                                          ED_ELEMENTLIST_YSIZE -         \
 229                                          2 * ED_SCROLLBUTTON2_YSIZE)
 230
 231 /* values for checkbutton gadgets */
 232 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 233 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 234 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 235 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 236 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 237 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 238 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 239
 240 /* values for some special graphic buttons */
 241 #define ED_COPY_CHANGE_PAGE_XPOS        25
 242 #define ED_COPY_CHANGE_PAGE_YPOS        50
 243 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 244 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 245
 246 /* some values for text input, selectbox and counter gadgets */
 247 #define ED_BUTTON_COUNT_YPOS            60
 248 #define ED_BUTTON_COUNT_XSIZE           20
 249 #define ED_BUTTON_COUNT_YSIZE           20
 250 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 251 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 252 #define ED_WIN_COUNT_XSIZE              52
 253 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 254 #define ED_WIN_COUNT2_XPOS              27
 255 #define ED_WIN_COUNT2_YPOS              3
 256 #define ED_WIN_COUNT2_XSIZE             46
 257 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 258
 259 #define ED_BUTTON_MINUS_XPOS            2
 260 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 261 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 262 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 263 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 264                                          ED_WIN_COUNT_XSIZE + 2)
 265 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 266 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 267 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 268
 269 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 270 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 271                                          2 + ED_WIN_COUNT_YSIZE)
 272 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 273 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 274
 275 #define ED_SELECTBOX_BUTTON_XSIZE       14
 276
 277 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 278 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 279                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 280 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 281
 282 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 283 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 284                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 285 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 286                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 287
 288 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 289 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 290
 291 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 292 #define INFOTEXT_XPOS                   SX
 293 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 294 #define INFOTEXT_XSIZE                  SXSIZE
 295 #define INFOTEXT_YSIZE                  MINI_TILEX
 296
 297
 298 /*
 299   -----------------------------------------------------------------------------
 300   editor gadget definitions
 301   -----------------------------------------------------------------------------
 302 */
 303
 304 /* drawing toolbox buttons */
 305 #define GADGET_ID_NONE                  -1
 306 #define GADGET_ID_TOOLBOX_FIRST         0
 307
 308 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 309 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 310 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 311 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 312 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 313 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 314 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 315 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 316 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 317 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 318 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 319 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 320 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 321 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 322 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 323 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 324
 325 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 326 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 327 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 328 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 329 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 330 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 331
 332 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 333 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 334 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 335 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 336 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 337
 338 /* counter gadget identifiers */
 339 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 27)
 340
 341 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 342 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 343 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 344 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 345 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 346 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 347 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 348 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 349 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 350 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 351 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 352 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 353 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 354 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 355 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 356 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 357 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 358 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 359 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 360 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 361 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 362 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 363 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 364 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 365 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 366 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 367 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 368 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 369 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 370 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 371 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 372 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 373 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 374 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 375 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 376 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 377 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 378 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 379 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 380 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 381 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 382 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 383 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 384 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 385 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 386 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 387 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 388 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 389 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 390 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 391 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 392 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 393 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 394 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 395 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 396 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 397 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 398 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 399 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 400 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 401 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 402 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 403 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 404 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 405 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 406 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 407 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 408 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 409 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 410 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 411 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 412 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 413 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 414 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 415 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 416 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 417 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 418 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 419 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 420 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 421 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 422 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 423 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 424 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 425 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 426 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 427 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 428 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 429 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 430 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 431 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 432 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 433 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 434 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 435 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 436 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 437 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 438 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 439 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 440 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 441 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 442 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 443
 444 /* drawing area identifiers */
 445 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 446
 447 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 448 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 449 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 450 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 451 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 452 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 453 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 454 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 455 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 456 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 457 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 458 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 459 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 460 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 461 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 462 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 463 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 464 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 465 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 466 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 467 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 468 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 469 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 470 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 471 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 472 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 473 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 474 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 475 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 476 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 477 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 478 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 479 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 480
 481 /* text input identifiers */
 482 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 483
 484 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 485 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 486 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 487
 488 /* text area identifiers */
 489 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 490
 491 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 492
 493 /* selectbox identifiers */
 494 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 495
 496 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 497 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 498 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 499 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 500 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 501 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 502 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 503 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 504 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 505 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 506 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 507 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 508 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 509 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 510 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 511 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 512 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 513 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 514 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 515 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 516 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 517 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 518 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 519 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 520 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 521 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 522 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 523 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 524 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 525
 526 /* textbutton identifiers */
 527 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 528
 529 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 530 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 531 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 532 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 533 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 534 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 535 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 536 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 537 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 538 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 539
 540 /* graphicbutton identifiers */
 541 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 542
 543 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 544 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 545 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 546 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 547
 548 /* gadgets for scrolling of drawing area */
 549 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 550
 551 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 552 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 553 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 554 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 555 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 556 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 557
 558 /* gadgets for scrolling element list */
 559 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 560
 561 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 562 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 563 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 564
 565 /* checkbuttons/radiobuttons for level/element properties */
 566 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 567
 568 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 569 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 570 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 571 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 572 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 573 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 574 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 575 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 576 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 577 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 578 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 579 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 580 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 581 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 582 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 583 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 584 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 585 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 586 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 587 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 588 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 589 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 590 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 591 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 592 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 593 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 594 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 595 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 596 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 597 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 598 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 599 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 600 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 601 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 602 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 603 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 604 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 605 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 606 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 607 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 608 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 609 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 610 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 611 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 612 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 613 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 614 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 615 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 616 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 617 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 618 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 619 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 620 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 621 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 622
 623 /* gadgets for buttons in element list */
 624 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 625 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 626                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 627
 628 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 629
 630 /* radio button numbers */
 631 #define RADIO_NR_NONE                   0
 632 #define RADIO_NR_DRAWING_TOOLBOX        1
 633 #define RADIO_NR_RANDOM_ELEMENTS        2
 634
 635 /* values for counter gadgets */
 636 #define ED_COUNTER_ID_SELECT_LEVEL      0
 637 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 638 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 639 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 640 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 641 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 642 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 643 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 644 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 645 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 646 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 647 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 648 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 649 #define ED_COUNTER_ID_BALL_CONTENT      13
 650 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 651 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 652 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 653 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 654 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 655 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 656 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 657 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 658 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 659 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 660 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 661 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 662 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 663 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 664 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 665 #define ED_COUNTER_ID_IGNITION_DELAY    29
 666 #define ED_COUNTER_ID_GROUP_CONTENT     30
 667 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 668 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 669 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 670
 671 #define ED_NUM_COUNTERBUTTONS           34
 672
 673 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 674 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 675 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 676 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 677
 678 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 679 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 680 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 681 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 682 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 683 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 684
 685 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 686 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 687
 688 /* values for scrollbutton gadgets */
 689 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 690 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 691 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 692 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 693 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 694 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 695
 696 #define ED_NUM_SCROLLBUTTONS            6
 697
 698 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 699 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 700
 701 /* values for scrollbar gadgets */
 702 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 703 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 704 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 705
 706 #define ED_NUM_SCROLLBARS               3
 707
 708 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 709 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 710
 711 /* values for text input gadgets */
 712 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 713 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 714 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 715
 716 #define ED_NUM_TEXTINPUT                3
 717
 718 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 719 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 720
 721 /* values for text area gadgets */
 722 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 723
 724 #define ED_NUM_TEXTAREAS                        1
 725
 726 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 727 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 728
 729 /* values for selectbox gadgets */
 730 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 731 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 732 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 733 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 734 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 735 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 736 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 737 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 738 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 739 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 740 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 741 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 742 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 743 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 744 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 745 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 746 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 747 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 748 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 749 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 750 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 751 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 752 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 753 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 754 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 755 #define ED_SELECTBOX_ID_ACTION_MODE             25
 756 #define ED_SELECTBOX_ID_ACTION_ARG              26
 757 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 758 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 759
 760 #define ED_NUM_SELECTBOX                        29
 761
 762 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 763 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 764
 765 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 766 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 767 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 768 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 769 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 770 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 771
 772 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 773 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 774
 775 /* values for textbutton gadgets */
 776 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 777 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 778 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 779 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 780 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 781 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 782 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 783 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 784 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 785 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 786
 787 #define ED_NUM_TEXTBUTTONS                      10
 788
 789 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 790 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 791
 792 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 793 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 794
 795 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 796 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 797
 798 /* values for graphicbutton gadgets */
 799 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 800 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 801 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 802 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 803
 804 #define ED_NUM_GRAPHICBUTTONS                   4
 805
 806 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 807 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 808
 809 /* values for checkbutton gadgets */
 810 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 811 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 812 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 813 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 814 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 815 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 816 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 817 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 818 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 819 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 820 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 821 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 822 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 823 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 824 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 825 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 826 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 827 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 828 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 829 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 830 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 831 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 832 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 833 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 834 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 835 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 836 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 837 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 838 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 839 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 840 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 841 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 842 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 843 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 844 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 845 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 846 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 847 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 848 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 849 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 850 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 851 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 852 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 853 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 854 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 855 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 856 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 857 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 858 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 859 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 860 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 861 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 862
 863 #define ED_NUM_CHECKBUTTONS                     52
 864
 865 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 866 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 867
 868 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 869 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 870 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 871 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 872 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 873 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 874
 875 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 876 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 877
 878 /* values for radiobutton gadgets */
 879 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 880 #define ED_RADIOBUTTON_ID_QUANTITY      1
 881
 882 #define ED_NUM_RADIOBUTTONS             2
 883
 884 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 885 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 886
 887 /* values for drawing area gadgets */
 888 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 889 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 890 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 891 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 892 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 893 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 894 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 895 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 896 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 897 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 898 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 899 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 900 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 901 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 902 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 903 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 904 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 905 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 906 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 907 #define ED_DRAWING_ID_START_ELEMENT             19
 908 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 909 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 910 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 911 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 912 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 913 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 914 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 915 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 916 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 917 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 918 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 919 #define ED_DRAWING_ID_GROUP_CONTENT             31
 920 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 921
 922 #define ED_NUM_DRAWING_AREAS                    33
 923
 924
 925 /*
 926   -----------------------------------------------------------------------------
 927   some internally used definitions
 928   -----------------------------------------------------------------------------
 929 */
 930
 931 /* values for CopyLevelToUndoBuffer() */
 932 #define UNDO_IMMEDIATE                  0
 933 #define UNDO_ACCUMULATE                 1
 934
 935 /* values for scrollbars */
 936 #define ED_SCROLL_NO                    0
 937 #define ED_SCROLL_LEFT                  1
 938 #define ED_SCROLL_RIGHT                 2
 939 #define ED_SCROLL_UP                    4
 940 #define ED_SCROLL_DOWN                  8
 941
 942 /* screens in the level editor */
 943 #define ED_MODE_DRAWING                 0
 944 #define ED_MODE_INFO                    1
 945 #define ED_MODE_PROPERTIES              2
 946
 947 /* sub-screens in the global settings section */
 948 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 949 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 950
 951 /* sub-screens in the element properties section */
 952 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 953 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 954 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 955 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 956 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 957
 958 /* how many steps can be cancelled */
 959 #define NUM_UNDO_STEPS                  (10 + 1)
 960
 961 /* values for elements with score for certain actions */
 962 #define MIN_SCORE                       0
 963 #define MAX_SCORE                       999
 964
 965 /* values for elements with count for collecting */
 966 #define MIN_COLLECT_COUNT               0
 967 #define MAX_COLLECT_COUNT               999
 968
 969 /* values for random placement */
 970 #define RANDOM_USE_PERCENTAGE           0
 971 #define RANDOM_USE_QUANTITY             1
 972
 973 /* maximal size of level editor drawing area */
 974 #define MAX_ED_FIELDX                   (SCR_FIELDX)
 975 #define MAX_ED_FIELDY                   (SCR_FIELDY - 1)
 976
 977
 978 /*
 979   -----------------------------------------------------------------------------
 980   some internally used data structure definitions
 981   -----------------------------------------------------------------------------
 982 */
 983
 984 static struct
 985 {
 986   char shortcut;
 987   char *text;
 988 } control_info[ED_NUM_CTRL_BUTTONS] =
 989 {
 990   /* note: some additional characters are already reserved for "cheat mode"
 991      shortcuts (":XYZ" style) -- for details, see "events.c" */
 992
 993   { 's',        "draw single items"                     },
 994   { 'd',        "draw connected items"                  },
 995   { 'l',        "draw lines"                            },
 996   { 'a',        "draw arcs"                             },
 997   { 'r',        "draw outline rectangles"               },
 998   { 'R',        "draw filled rectangles"                },
 999   { '\0',       "wrap (rotate) level up"                },
1000   { 't',        "enter text elements"                   },
1001   { 'f',        "flood fill"                            },
1002   { '\0',       "wrap (rotate) level left"              },
1003   { '?',        "properties of drawing element"         },
1004   { '\0',       "wrap (rotate) level right"             },
1005   { '\0',       "random element placement"              },
1006   { 'b',        "grab brush"                            },
1007   { '\0',       "wrap (rotate) level down"              },
1008   { ',',        "pick drawing element"                  },
1009
1010   { 'U',        "undo last operation"                   },
1011   { 'I',        "properties of level"                   },
1012   { 'S',        "save level"                            },
1013   { 'C',        "clear level"                           },
1014   { 'T',        "test level"                            },
1015   { 'E',        "exit level editor"                     },
1016
1017   { '\0',       "copy settings from other element"      },
1018   { '\0',       "copy settings to other element"        },
1019   { '\0',       "exchange element with other element"   },
1020
1021   { '\0',       "copy settings from this element"       },
1022   { '\0',       "paste settings to this element"        },
1023 };
1024
1025 static int random_placement_value = 10;
1026 static int random_placement_method = RANDOM_USE_QUANTITY;
1027 static int random_placement_background_element = EL_SAND;
1028 static boolean random_placement_background_restricted = FALSE;
1029 static boolean stick_element_properties_window = FALSE;
1030 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1031 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1032 static struct ElementChangeInfo custom_element_change;
1033 static struct ElementGroupInfo group_element_info;
1034 static struct ElementInfo custom_element;
1035
1036 static struct
1037 {
1038   int x, y;
1039   int min_value, max_value;
1040   int gadget_id_down, gadget_id_up;
1041   int gadget_id_text;
1042   int gadget_id_align;
1043   int *value;
1044   char *text_above, *text_left, *text_right;
1045 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1046 {
1047   /* ---------- current level number --------------------------------------- */
1048
1049   {
1050     -1, -1,     /* these values are not constant, but can change at runtime */
1051     1,                                  100,
1052     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1053     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1054     &level_nr,
1055     NULL,                               NULL, NULL
1056   },
1057
1058   /* ---------- level and editor settings ---------------------------------- */
1059
1060   {
1061     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1062     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1063     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1064     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1065     &level.fieldx,
1066     "playfield size:",                  NULL, "width",
1067   },
1068   {
1069     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1070     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1071     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1072     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1073     &level.fieldy,
1074     NULL,                               " ", "height",
1075   },
1076   {
1077     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1078     0,                                  999,
1079     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1080     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1081     &level.gems_needed,
1082     NULL,                               "number of gems to collect:", NULL
1083   },
1084   {
1085     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1086     0,                                  9999,
1087     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1088     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1089     &level.time,
1090     "time or step limit to solve level:", NULL, NULL
1091   },
1092   {
1093     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1094     0,                                  999,
1095     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1096     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1097     &level.score[SC_TIME_BONUS],
1098     "score for each second/step left:", NULL, NULL
1099   },
1100   {
1101     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1102     0,                                  9999,
1103     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1104     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1105     &level.random_seed,
1106     NULL,                               "random seed:", "(0 => random)"
1107   },
1108   {
1109     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1110     1,                                  100,
1111     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1112     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1113     &random_placement_value,
1114     "random element placement:",        NULL, "in"
1115   },
1116
1117   /* ---------- element settings: configure (various elements) ------------- */
1118
1119   {
1120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1121     MIN_SCORE,                          MAX_SCORE,
1122     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1123     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1124     NULL,                               /* will be set when used */
1125     NULL,                               NULL, NULL
1126   },
1127   {
1128     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1129     MIN_SCORE,                          MAX_SCORE,
1130     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1131     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1132     NULL,                               /* will be set when used */
1133     NULL,                               NULL, NULL
1134   },
1135   {
1136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1137     MIN_SCORE,                          MAX_SCORE,
1138     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1139     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1140     NULL,                               /* will be set when used */
1141     NULL,                               NULL, NULL
1142   },
1143   {
1144     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1145     MIN_SCORE,                          MAX_SCORE,
1146     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1147     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1148     NULL,                               /* will be set when used */
1149     NULL,                               NULL, NULL
1150   },
1151   {
1152     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1153     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1154     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1155     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1156     &level.num_yamyam_contents,
1157     NULL,                               NULL, "number of content areas"
1158   },
1159   {
1160     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1161     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1162     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1163     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1164     &level.num_ball_contents,
1165     NULL,                               NULL, "number of content areas"
1166   },
1167   {
1168     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1169     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1170     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1171     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1172     &level.num_android_clone_elements,
1173     NULL,                               NULL, "number of clonable elements"
1174   },
1175   {
1176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1177     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1178     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1179     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1180     NULL,                               /* will be set when used */
1181     NULL,                               NULL, "width",
1182   },
1183   {
1184     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1185     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1186     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1187     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1188     NULL,                               /* will be set when used */
1189     NULL,                               " ", "height",
1190   },
1191   {
1192     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1193     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1194     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1195     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1196     &level.initial_inventory_size[0],
1197     NULL,                               NULL, "number of inventory elements"
1198   },
1199
1200   /* ---------- element settings: configure 1 (custom elements) ------------ */
1201
1202   {
1203     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1204     MIN_SCORE,                          MAX_SCORE,
1205     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1206     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1207     &custom_element.collect_score_initial,
1208     NULL,                               "CE score", " "
1209   },
1210   {
1211     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1212     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1213     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1214     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1215     &custom_element.collect_count_initial,
1216     NULL,                               "CE count", NULL
1217   },
1218   {
1219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1220     0,                                  9999,
1221     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1222     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1223     &custom_element.ce_value_fixed_initial,
1224     NULL,                               "CE value", NULL
1225   },
1226   {
1227     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
1228     0,                                  9999,
1229     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1230     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1231     &custom_element.ce_value_random_initial,
1232     NULL,                               "+random", NULL
1233   },
1234   {
1235     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1236     0,                                  999,
1237     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1238     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1239     &custom_element.push_delay_fixed,
1240     NULL,                               "push delay", NULL
1241   },
1242   {
1243     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1244     0,                                  999,
1245     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1246     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1247     &custom_element.push_delay_random,
1248     NULL,                               "+random", NULL
1249   },
1250   {
1251     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
1252     0,                                  999,
1253     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1254     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1255     &custom_element.drop_delay_fixed,
1256     NULL,                               "drop delay", NULL
1257   },
1258   {
1259     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
1260     0,                                  999,
1261     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1262     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1263     &custom_element.drop_delay_random,
1264     NULL,                               "+random", NULL
1265   },
1266
1267   /* ---------- element settings: configure 2 (custom elements) ------------ */
1268
1269   {
1270     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1271     0,                                  999,
1272     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1273     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1274     &custom_element.move_delay_fixed,
1275     NULL,                               "move delay", NULL
1276   },
1277   {
1278     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1279     0,                                  999,
1280     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1281     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1282     &custom_element.move_delay_random,
1283     NULL,                               "+random", NULL
1284   },
1285   {
1286     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1287     0,                                  999,
1288     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1289     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1290     &custom_element.explosion_delay,
1291     NULL,                               "explosion delay", NULL
1292   },
1293   {
1294     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1295     0,                                  999,
1296     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1297     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1298     &custom_element.ignition_delay,
1299     NULL,                               "ignition delay", "(by fire)"
1300   },
1301
1302   /* ---------- element settings: configure (group elements) --------------- */
1303
1304   {
1305     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
1306     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1307     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1308     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1309     &group_element_info.num_elements,
1310     NULL,                               NULL, "number of elements in group"
1311   },
1312
1313   /* ---------- element settings: advanced (custom elements) --------------- */
1314
1315   {
1316     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1317     0,                                  999,
1318     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1319     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1320     &custom_element_change.delay_fixed,
1321     NULL,                               "CE delay", NULL,
1322   },
1323   {
1324     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1325     0,                                  999,
1326     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1327     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1328     &custom_element_change.delay_random,
1329     NULL,                               "+random", NULL
1330   },
1331   {
1332     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1333     0,                                  100,
1334     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1335     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1336     &custom_element_change.random_percentage,
1337     NULL,                               "use random replace:", "%"
1338   },
1339 };
1340
1341 static struct
1342 {
1343   int x, y;
1344   int gadget_id;
1345   int size;
1346   char *value;
1347   char *text_above, *infotext;
1348 } textinput_info[ED_NUM_TEXTINPUT] =
1349 {
1350   {
1351     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1352     GADGET_ID_LEVEL_NAME,
1353     MAX_LEVEL_NAME_LEN,
1354     level.name,
1355     "Title:", "Title"
1356   },
1357   {
1358     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1359     GADGET_ID_LEVEL_AUTHOR,
1360     MAX_LEVEL_AUTHOR_LEN,
1361     level.author,
1362     "Author:", "Author"
1363   },
1364   {
1365     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1366     GADGET_ID_ELEMENT_NAME,
1367     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1368     custom_element.description,
1369     NULL, "Element name"
1370   }
1371 };
1372
1373 static struct
1374 {
1375   int x, y;
1376   int gadget_id;
1377   int xsize, ysize;
1378   char *value;
1379   char *text_above, *infotext;
1380 } textarea_info[ED_NUM_TEXTAREAS] =
1381 {
1382   {
1383     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1384     GADGET_ID_ENVELOPE_INFO,
1385     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1386     NULL,
1387     "Envelope Content:", "Envelope Content"
1388   }
1389 };
1390
1391 static struct ValueTextInfo options_time_or_steps[] =
1392 {
1393   { 0,                          "seconds"                       },
1394   { 1,                          "steps"                         },
1395
1396   { -1,                         NULL                            }
1397 };
1398
1399 static struct ValueTextInfo options_game_engine_type[] =
1400 {
1401   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1402   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1403   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1404
1405   { -1,                         NULL                            }
1406 };
1407
1408 static struct ValueTextInfo options_wind_direction[] =
1409 {
1410   { MV_START_NONE,              "none"                          },
1411   { MV_START_LEFT,              "left"                          },
1412   { MV_START_RIGHT,             "right"                         },
1413   { MV_START_UP,                "up"                            },
1414   { MV_START_DOWN,              "down"                          },
1415
1416   { -1,                         NULL                            }
1417 };
1418
1419 static struct ValueTextInfo options_player_speed[] =
1420 {
1421   { 0,                          "frozen"                        },
1422   { 1,                          "very slow"                     },
1423   { 2,                          "slow"                          },
1424   { 4,                          "normal"                        },
1425   { 8,                          "fast"                          },
1426   { 16,                         "very fast"                     },
1427   { 32,                         "ultrafast"                     },
1428
1429   { -1,                         NULL                            }
1430 };
1431
1432 static struct ValueTextInfo options_access_type[] =
1433 {
1434   { EP_WALKABLE,                "walkable"                      },
1435   { EP_PASSABLE,                "passable"                      },
1436
1437   { -1,                         NULL                            }
1438 };
1439
1440 static struct ValueTextInfo options_access_layer[] =
1441 {
1442   { EP_ACCESSIBLE_OVER,         "over"                          },
1443   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1444   { EP_ACCESSIBLE_UNDER,        "under"                         },
1445
1446   { -1,                         NULL                            }
1447 };
1448
1449 static struct ValueTextInfo options_access_protected[] =
1450 {
1451   { 0,                          "unprotected"                   },
1452   { 1,                          "protected"                     },
1453
1454   { -1,                         NULL                            }
1455 };
1456
1457 static struct ValueTextInfo options_access_direction[] =
1458 {
1459   { MV_NO_DIRECTION,            "no direction"                  },
1460   { MV_LEFT,                    "left"                          },
1461   { MV_RIGHT,                   "right"                         },
1462   { MV_UP,                      "up"                            },
1463   { MV_DOWN,                    "down"                          },
1464   { MV_LEFT  | MV_UP,           "left + up"                     },
1465   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1466   { MV_RIGHT | MV_UP,           "right + up"                    },
1467   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1468   { MV_HORIZONTAL,              "horizontal"                    },
1469   { MV_VERTICAL,                "vertical"                      },
1470   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1471   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1472   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1473   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1474   { MV_ALL_DIRECTIONS,          "all directions"                },
1475
1476   { -1,                         NULL                            }
1477 };
1478
1479 static struct ValueTextInfo options_walk_to_action[] =
1480 {
1481   { EP_DIGGABLE,                "diggable"                      },
1482   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1483   { EP_DROPPABLE,               "collectible & droppable"       },
1484   { EP_THROWABLE,               "collectible & throwable"       },
1485   { EP_PUSHABLE,                "pushable"                      },
1486
1487   { -1,                         NULL                            }
1488 };
1489
1490 static struct ValueTextInfo options_move_pattern[] =
1491 {
1492   { MV_LEFT,                    "left"                          },
1493   { MV_RIGHT,                   "right"                         },
1494   { MV_UP,                      "up"                            },
1495   { MV_DOWN,                    "down"                          },
1496   { MV_HORIZONTAL,              "horizontal"                    },
1497   { MV_VERTICAL,                "vertical"                      },
1498   { MV_ALL_DIRECTIONS,          "all directions"                },
1499   { MV_WIND_DIRECTION,          "wind direction"                },
1500   { MV_TOWARDS_PLAYER,          "towards player"                },
1501   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1502   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1503   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1504   { MV_TURNING_LEFT,            "turning left"                  },
1505   { MV_TURNING_RIGHT,           "turning right"                 },
1506   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1507   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1508   { MV_TURNING_RANDOM,          "turning random"                },
1509   { MV_MAZE_RUNNER,             "maze runner style"             },
1510   { MV_MAZE_HUNTER,             "maze hunter style"             },
1511   { MV_WHEN_PUSHED,             "when pushed"                   },
1512   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1513
1514   { -1,                         NULL                            }
1515 };
1516
1517 static struct ValueTextInfo options_move_direction[] =
1518 {
1519   { MV_START_AUTOMATIC,         "automatic"                     },
1520   { MV_START_LEFT,              "left"                          },
1521   { MV_START_RIGHT,             "right"                         },
1522   { MV_START_UP,                "up"                            },
1523   { MV_START_DOWN,              "down"                          },
1524   { MV_START_RANDOM,            "random"                        },
1525   { MV_START_PREVIOUS,          "previous"                      },
1526
1527   { -1,                         NULL                            }
1528 };
1529
1530 static struct ValueTextInfo options_move_stepsize[] =
1531 {
1532   { 0,                          "not moving"                    },
1533   { 1,                          "very slow"                     },
1534   { 2,                          "slow"                          },
1535   { 4,                          "normal"                        },
1536   { 8,                          "fast"                          },
1537   { 16,                         "very fast"                     },
1538   { 32,                         "even faster"                   },
1539
1540   { -1,                         NULL                            }
1541 };
1542
1543 static struct ValueTextInfo options_move_leave_type[] =
1544 {
1545   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1546   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1547
1548   { -1,                         NULL                            }
1549 };
1550
1551 static struct ValueTextInfo options_smash_targets[] =
1552 {
1553   { EP_CAN_SMASH_PLAYER,        "player"                        },
1554 #if 0
1555   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1556 #endif
1557   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1558
1559   { -1,                         NULL                            }
1560 };
1561
1562 static struct ValueTextInfo options_slippery_type[] =
1563 {
1564   { SLIPPERY_ANY_RANDOM,        "random"                        },
1565   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1566   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1567   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1568   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1569
1570   { -1,                         NULL                            }
1571 };
1572
1573 static struct ValueTextInfo options_deadliness[] =
1574 {
1575   { EP_DONT_RUN_INTO,           "running into"                  },
1576   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1577   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1578   { EP_DONT_TOUCH,              "touching"                      },
1579
1580   { -1,                         NULL                            }
1581 };
1582
1583 static struct ValueTextInfo options_explosion_type[] =
1584 {
1585   { EXPLODES_3X3,               "3x3"                           },
1586   { EXPLODES_CROSS,             "3+3"                           },
1587   { EXPLODES_1X1,               "1x1"                           },
1588
1589   { -1,                         NULL                            }
1590 };
1591
1592 static struct ValueTextInfo options_time_units[] =
1593 {
1594   { 1,                          "frames"                        },
1595   { FRAMES_PER_SECOND,          "seconds"                       },
1596
1597   { -1,                         NULL                            }
1598 };
1599
1600 static struct ValueTextInfo options_change_direct_action[] =
1601 {
1602   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1603   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1604   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1605   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1606   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1607   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1608   { CE_LEFT_BY_PLAYER,          "left by player"                },
1609   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1610   { CE_SWITCHED,                "switched"                      },
1611   { CE_HITTING_SOMETHING,       "hitting something"             },
1612   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1613 #if 0
1614   { CE_BLOCKED,                 "blocked"                       },
1615 #endif
1616   { CE_IMPACT,                  "impact (on something)"         },
1617   { CE_SMASHED,                 "smashed (from above)"          },
1618 #if 0
1619   { CE_VALUE_CHANGES,           "CE value changes"              },
1620   { CE_SCORE_CHANGES,           "CE score changes"              },
1621 #endif
1622   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1623   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1624
1625   { -1,                         NULL                            }
1626 };
1627
1628 static struct ValueTextInfo options_change_other_action[] =
1629 {
1630   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1631   { CE_PLAYER_PRESSES_X,        "player presses"                },
1632   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1633   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1634   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1635   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1636   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1637   { CE_PLAYER_DIGS_X,           "player digs"                   },
1638   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1639   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1640   { CE_TOUCHING_X,              "touching"                      },
1641   { CE_HITTING_X,               "hitting"                       },
1642   { CE_DIGGING_X,               "digging"                       },
1643   { CE_HIT_BY_X,                "hit by"                        },
1644   { CE_SWITCH_OF_X,             "switch of"                     },
1645   { CE_CHANGE_OF_X,             "change by page of"             },
1646   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1647   { CE_MOVE_OF_X,               "move of"                       },
1648   { CE_CREATION_OF_X,           "creation of"                   },
1649   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1650   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1651   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1652   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1653
1654   { -1,                         NULL                            }
1655 };
1656
1657 static struct ValueTextInfo options_change_trigger_side[] =
1658 {
1659   { CH_SIDE_LEFT,               "left"                          },
1660   { CH_SIDE_RIGHT,              "right"                         },
1661   { CH_SIDE_TOP,                "top"                           },
1662   { CH_SIDE_BOTTOM,             "bottom"                        },
1663   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1664   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1665   { CH_SIDE_ANY,                "any"                           },
1666
1667   { -1,                         NULL                            }
1668 };
1669
1670 static struct ValueTextInfo options_change_trigger_player[] =
1671 {
1672   { CH_PLAYER_1,                "1"                             },
1673   { CH_PLAYER_2,                "2"                             },
1674   { CH_PLAYER_3,                "3"                             },
1675   { CH_PLAYER_4,                "4"                             },
1676   { CH_PLAYER_ANY,              "any"                           },
1677
1678   { -1,                         NULL                            }
1679 };
1680
1681 static struct ValueTextInfo options_change_trigger_page[] =
1682 {
1683   { (1 << 0),                   "1"                             },
1684   { (1 << 1),                   "2"                             },
1685   { (1 << 2),                   "3"                             },
1686   { (1 << 3),                   "4"                             },
1687   { (1 << 4),                   "5"                             },
1688   { (1 << 5),                   "6"                             },
1689   { (1 << 6),                   "7"                             },
1690   { (1 << 7),                   "8"                             },
1691   { (1 << 8),                   "9"                             },
1692   { (1 << 9),                   "10"                            },
1693   { (1 << 10),                  "11"                            },
1694   { (1 << 11),                  "12"                            },
1695   { (1 << 12),                  "13"                            },
1696   { (1 << 13),                  "14"                            },
1697   { (1 << 14),                  "15"                            },
1698   { (1 << 15),                  "16"                            },
1699   { (1 << 16),                  "17"                            },
1700   { (1 << 17),                  "18"                            },
1701   { (1 << 18),                  "19"                            },
1702   { (1 << 19),                  "20"                            },
1703   { (1 << 20),                  "21"                            },
1704   { (1 << 21),                  "22"                            },
1705   { (1 << 22),                  "23"                            },
1706   { (1 << 23),                  "24"                            },
1707   { (1 << 24),                  "25"                            },
1708   { (1 << 25),                  "26"                            },
1709   { (1 << 26),                  "27"                            },
1710   { (1 << 27),                  "28"                            },
1711   { (1 << 28),                  "29"                            },
1712   { (1 << 29),                  "30"                            },
1713   { (1 << 30),                  "31"                            },
1714   { (1 << 31),                  "32"                            },
1715   { CH_PAGE_ANY,                "any"                           },
1716
1717   { -1,                         NULL                            }
1718 };
1719
1720 static struct ValueTextInfo options_change_replace_when[] =
1721 {
1722   { CP_WHEN_EMPTY,              "empty"                         },
1723   { CP_WHEN_WALKABLE,           "walkable"                      },
1724   { CP_WHEN_DIGGABLE,           "diggable"                      },
1725   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1726   { CP_WHEN_REMOVABLE,          "removable"                     },
1727   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_action_type[] =
1733 {
1734   { CA_NO_ACTION,               "no action"                     },
1735   { CA_UNDEFINED,               " "                             },
1736   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1737   { CA_RESTART_LEVEL,           "restart level"                 },
1738   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1739   { CA_SET_LEVEL_TIME,          "set time"                      },
1740   { CA_SET_LEVEL_SCORE,         "set score"                     },
1741   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1742   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1743   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1744   { CA_UNDEFINED,               " "                             },
1745   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1746   { CA_MOVE_PLAYER,             "move player"                   },
1747   { CA_EXIT_PLAYER,             "exit player"                   },
1748   { CA_KILL_PLAYER,             "kill player"                   },
1749   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1750   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1751   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1752   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1753   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1754   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1755   { CA_UNDEFINED,               " "                             },
1756   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1757   { CA_SET_CE_VALUE,            "set CE value"                  },
1758   { CA_SET_CE_SCORE,            "set CE score"                  },
1759   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1760   { CA_UNDEFINED,               " "                             },
1761   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1762   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1763
1764   { -1,                         NULL                            }
1765 };
1766
1767 static struct ValueTextInfo options_action_mode_none[] =
1768 {
1769   { CA_MODE_UNDEFINED,          " "                             },
1770
1771   { -1,                         NULL                            }
1772 };
1773
1774 static struct ValueTextInfo options_action_mode_assign[] =
1775 {
1776   { CA_MODE_SET,                "="                             },
1777
1778   { -1,                         NULL                            }
1779 };
1780
1781 static struct ValueTextInfo options_action_mode_add_remove[] =
1782 {
1783   { CA_MODE_ADD,                "+"                             },
1784   { CA_MODE_SUBTRACT,           "-"                             },
1785
1786   { -1,                         NULL                            }
1787 };
1788
1789 static struct ValueTextInfo options_action_mode_calculate[] =
1790 {
1791   { CA_MODE_SET,                "="                             },
1792   { CA_MODE_ADD,                "+"                             },
1793   { CA_MODE_SUBTRACT,           "-"                             },
1794   { CA_MODE_MULTIPLY,           "*"                             },
1795   { CA_MODE_DIVIDE,             "/"                             },
1796   { CA_MODE_MODULO,             "%"                             },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_action_arg_none[] =
1802 {
1803   { CA_ARG_UNDEFINED,           "         "                     },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_action_arg_player[] =
1809 {
1810   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1811   { CA_ARG_PLAYER_1,            "1"                             },
1812   { CA_ARG_PLAYER_2,            "2"                             },
1813   { CA_ARG_PLAYER_3,            "3"                             },
1814   { CA_ARG_PLAYER_4,            "4"                             },
1815   { CA_ARG_PLAYER_ANY,          "any"                           },
1816   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1817   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1818
1819   { -1,                         NULL                            }
1820 };
1821
1822 static struct ValueTextInfo options_action_arg_number[] =
1823 {
1824   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1825   { CA_ARG_0,                   "0"                             },
1826   { CA_ARG_1,                   "1"                             },
1827   { CA_ARG_2,                   "2"                             },
1828   { CA_ARG_3,                   "3"                             },
1829   { CA_ARG_4,                   "4"                             },
1830   { CA_ARG_5,                   "5"                             },
1831   { CA_ARG_10,                  "10"                            },
1832   { CA_ARG_100,                 "100"                           },
1833   { CA_ARG_1000,                "1000"                          },
1834   { CA_ARG_UNDEFINED,           " "                             },
1835   { CA_ARG_NUMBER_MIN,          "min"                           },
1836   { CA_ARG_NUMBER_MAX,          "max"                           },
1837   { CA_ARG_UNDEFINED,           " "                             },
1838   { CA_ARG_NUMBER_RESET,        "reset"                         },
1839   { CA_ARG_UNDEFINED,           " "                             },
1840   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1841   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1842   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1843   { CA_ARG_UNDEFINED,           " "                             },
1844   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1845   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1846   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1847   { CA_ARG_UNDEFINED,           " "                             },
1848   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1849   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1850   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1851   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1852   { CA_ARG_UNDEFINED,           " "                             },
1853   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1854   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1855   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1856   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1857
1858   { -1,                         NULL                            }
1859 };
1860
1861 static struct ValueTextInfo options_action_arg_value[] =
1862 {
1863   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1864   { CA_ARG_0,                   "0"                             },
1865   { CA_ARG_1,                   "1"                             },
1866   { CA_ARG_2,                   "2"                             },
1867   { CA_ARG_3,                   "3"                             },
1868   { CA_ARG_4,                   "4"                             },
1869   { CA_ARG_5,                   "5"                             },
1870   { CA_ARG_10,                  "10"                            },
1871   { CA_ARG_100,                 "100"                           },
1872   { CA_ARG_1000,                "1000"                          },
1873   { CA_ARG_UNDEFINED,           " "                             },
1874   { CA_ARG_NUMBER_MIN,          "min"                           },
1875   { CA_ARG_NUMBER_MAX,          "max"                           },
1876   { CA_ARG_UNDEFINED,           " "                             },
1877   { CA_ARG_NUMBER_RESET,        "reset"                         },
1878   { CA_ARG_UNDEFINED,           " "                             },
1879   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1880   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1881   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1882   { CA_ARG_UNDEFINED,           " "                             },
1883   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1884   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1885   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1886   { CA_ARG_UNDEFINED,           " "                             },
1887   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1888   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1889   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1890   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1891   { CA_ARG_UNDEFINED,           " "                             },
1892   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1893   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1894   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1895   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1896   { CA_ARG_UNDEFINED,           " "                             },
1897   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1898   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1899   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1900   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_action_arg_envelope[] =
1906 {
1907   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1908   { CA_ARG_1,                   "1"                             },
1909   { CA_ARG_2,                   "2"                             },
1910   { CA_ARG_3,                   "3"                             },
1911   { CA_ARG_4,                   "4"                             },
1912   { CA_ARG_UNDEFINED,           " "                             },
1913   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1914   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1915   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1916   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1917
1918   { -1,                         NULL                            }
1919 };
1920
1921 static struct ValueTextInfo options_action_arg_key[] =
1922 {
1923   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1924   { CA_ARG_1,                   "1"                             },
1925   { CA_ARG_2,                   "2"                             },
1926   { CA_ARG_3,                   "3"                             },
1927   { CA_ARG_4,                   "4"                             },
1928   { CA_ARG_5,                   "5"                             },
1929   { CA_ARG_6,                   "6"                             },
1930   { CA_ARG_7,                   "7"                             },
1931   { CA_ARG_8,                   "8"                             },
1932   { CA_ARG_UNDEFINED,           " "                             },
1933   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1934   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1935   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1936   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1937
1938   { -1,                         NULL                            }
1939 };
1940
1941 static struct ValueTextInfo options_action_arg_speed[] =
1942 {
1943   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
1944   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
1945   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
1946   { CA_ARG_SPEED_SLOW,          "slow"                          },
1947   { CA_ARG_SPEED_NORMAL,        "normal"                        },
1948   { CA_ARG_SPEED_FAST,          "fast"                          },
1949   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
1950   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
1951   { CA_ARG_UNDEFINED,           " "                             },
1952   { CA_ARG_SPEED_SLOWER,        "slower"                        },
1953   { CA_ARG_SPEED_FASTER,        "faster"                        },
1954   { CA_ARG_UNDEFINED,           " "                             },
1955   { CA_ARG_SPEED_RESET,         "reset"                         },
1956
1957   { -1,                         NULL                            }
1958 };
1959
1960 static struct ValueTextInfo options_action_arg_shield[] =
1961 {
1962   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
1963   { CA_ARG_SHIELD_OFF,          "off"                           },
1964   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
1965   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
1966
1967   { -1,                         NULL                            }
1968 };
1969
1970 static struct ValueTextInfo options_action_arg_artwork[] =
1971 {
1972   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
1973   { CA_ARG_ELEMENT_TARGET,      "target"                        },
1974   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
1975   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
1976   { CA_ARG_UNDEFINED,           " "                             },
1977   { CA_ARG_ELEMENT_RESET,       "reset"                         },
1978
1979   { -1,                         NULL                            }
1980 };
1981
1982 static struct ValueTextInfo options_action_arg_gravity[] =
1983 {
1984   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
1985   { CA_ARG_GRAVITY_ON,          "on"                            },
1986   { CA_ARG_GRAVITY_OFF,         "off"                           },
1987   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_action_arg_direction[] =
1993 {
1994   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
1995   { CA_ARG_DIRECTION_NONE,      "none"                          },
1996   { CA_ARG_DIRECTION_LEFT,      "left"                          },
1997   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
1998   { CA_ARG_DIRECTION_UP,        "up"                            },
1999   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2000   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2001   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2002
2003   { -1,                         NULL                            }
2004 };
2005
2006 static struct ValueTextInfo options_action_arg_scan_mode[] =
2007 {
2008   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2009   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2010   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2011
2012   { -1,                         NULL                            }
2013 };
2014
2015 static struct ValueTextInfo options_action_arg_inventory[] =
2016 {
2017   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2018   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2019   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2020   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2021   { CA_ARG_UNDEFINED,           " "                             },
2022   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2023   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2024   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2025   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2026   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2027   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2028   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2029   { CA_ARG_UNDEFINED,           " "                             },
2030   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2031
2032   { -1,                         NULL                            }
2033 };
2034
2035 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2036 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2037 {
2038   { -1,                         NULL                            }
2039 };
2040
2041 static struct ValueTextInfo options_group_choice_mode[] =
2042 {
2043   { ANIM_RANDOM,                "random"                        },
2044   { ANIM_LOOP,                  "loop"                          },
2045   { ANIM_LINEAR,                "linear"                        },
2046   { ANIM_PINGPONG,              "pingpong"                      },
2047   { ANIM_PINGPONG2,             "pingpong 2"                    },
2048
2049   { -1,                         NULL                            }
2050 };
2051
2052 static struct ValueTextInfo *action_arg_modes[] =
2053 {
2054   options_action_mode_none,
2055   options_action_mode_assign,
2056   options_action_mode_add_remove,
2057   options_action_mode_calculate,
2058 };
2059
2060 static struct
2061 {
2062   int value;
2063   int mode;
2064   struct ValueTextInfo *options;
2065 }
2066 action_arg_options[] =
2067 {
2068   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2069   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2070   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2071   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2072   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2073   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2074   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2075   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2076   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2077   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2078   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2079   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2080   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2081   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2082   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2083   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2084   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2085   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2086   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2087   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2088   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2089
2090   { -1,                         FALSE,  NULL                            }
2091 };
2092
2093 static struct
2094 {
2095   int x, y;
2096   int gadget_id;
2097   int gadget_id_align;
2098   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2099   struct ValueTextInfo *options;
2100   int *value;
2101   char *text_left, *text_right, *infotext;
2102 } selectbox_info[ED_NUM_SELECTBOX] =
2103 {
2104   /* ---------- level and editor settings ---------------------------------- */
2105
2106   {
2107     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2108     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2109     -1,
2110     options_time_or_steps,
2111     &level.use_step_counter,
2112     NULL, "(0 => no limit)",            "time or step limit"
2113   },
2114   {
2115     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2116     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2117     -1,
2118     options_game_engine_type,
2119     &level.game_engine_type,
2120     "game engine:", NULL,               "game engine"
2121   },
2122   {
2123     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2124     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2125     -1,
2126     options_wind_direction,
2127     &level.wind_direction_initial,
2128     "initial wind direction:", NULL,    "initial wind direction"
2129   },
2130
2131   /* ---------- element settings: configure (several elements) ------------- */
2132
2133   {
2134     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2135     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2136     -1,
2137     options_player_speed,
2138     &level.initial_player_stepsize[0],
2139     "initial player speed:", NULL,      "initial player speed"
2140   },
2141
2142   /* ---------- element settings: configure 1 (custom elements) ------------ */
2143
2144   {
2145     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2146     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2147     -1,
2148     options_access_type,
2149     &custom_element.access_type,
2150     NULL, NULL,                         "type of access to this field"
2151   },
2152   {
2153     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2154     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2155     -1,
2156     options_access_layer,
2157     &custom_element.access_layer,
2158     NULL, NULL,                         "layer of access for this field"
2159   },
2160   {
2161     -1,                                 ED_ELEMENT_SETTINGS_YPOS(3),
2162     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2163     -1,
2164     options_access_protected,
2165     &custom_element.access_protected,
2166     NULL, NULL,                         "protected access for this field"
2167   },
2168   {
2169     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2170     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2171     -1,
2172     options_access_direction,
2173     &custom_element.access_direction,
2174     "from", NULL,                       "access direction for this field"
2175   },
2176   {
2177     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2178     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2179     -1,
2180     options_walk_to_action,
2181     &custom_element.walk_to_action,
2182     NULL, NULL,                         "diggable/collectible/pushable"
2183   },
2184
2185   /* ---------- element settings: configure 2 (custom elements) ------------ */
2186
2187   {
2188     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2189     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2190     -1,
2191     options_move_pattern,
2192     &custom_element.move_pattern,
2193     "can move", NULL,                   "element move pattern"
2194   },
2195   {
2196     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2197     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2198     -1,
2199     options_move_direction,
2200     &custom_element.move_direction_initial,
2201     "starts moving", NULL,              "initial element move direction"
2202   },
2203   {
2204     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2205     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2206     -1,
2207     options_move_stepsize,
2208     &custom_element.move_stepsize,
2209     "move/fall speed", NULL,            "speed of element movement"
2210   },
2211   {
2212     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2213     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2214     -1,
2215     options_move_leave_type,
2216     &custom_element.move_leave_type,
2217     "can dig:    can", ":",             "leave behind or change element"
2218   },
2219   {
2220     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2221     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2222     -1,
2223     options_smash_targets,
2224     &custom_element.smash_targets,
2225     "can smash", NULL,                  "elements that can be smashed"
2226   },
2227   {
2228     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2229     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2230     -1,
2231     options_slippery_type,
2232     &custom_element.slippery_type,
2233     "slippery", NULL,                   "where other elements fall down"
2234   },
2235   {
2236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2237     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2238     -1,
2239     options_deadliness,
2240     &custom_element.deadliness,
2241     "deadly when", NULL,                "deadliness of element"
2242   },
2243   {
2244     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2245     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2246     -1,
2247     options_explosion_type,
2248     &custom_element.explosion_type,
2249     "can explode", NULL,                "explosion type"
2250   },
2251
2252   /* ---------- element settings: advanced (custom elements) --------------- */
2253
2254   {
2255     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2256     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2257     -1,
2258     options_time_units,
2259     &custom_element_change.delay_frames,
2260     "delay time given in", NULL,        "delay time units for change"
2261   },
2262   {
2263     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2264     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2265     -1,
2266     options_change_direct_action,
2267     &custom_element_change.direct_action,
2268     NULL, NULL,                         "type of direct action"
2269   },
2270   {
2271     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2272     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2273     -1,
2274     options_change_other_action,
2275     &custom_element_change.other_action,
2276     NULL, "element:",                   "type of other element action"
2277   },
2278   {
2279     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2280     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2281     -1,
2282     options_change_trigger_side,
2283     &custom_element_change.trigger_side,
2284     "at", "side",                       "element side triggering change"
2285   },
2286   {
2287     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2288     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2289     -1,
2290     options_change_trigger_player,
2291     &custom_element_change.trigger_player,
2292     "player:", " ",                     "player that causes change"
2293   },
2294   {
2295     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2296     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2297     -1,
2298     options_change_trigger_page,
2299     &custom_element_change.trigger_page,
2300     "page:", NULL,                      "change page that causes change"
2301   },
2302   {
2303     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2304     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2305     -1,
2306     options_change_replace_when,
2307     &custom_element_change.replace_when,
2308     "replace when", NULL,               "which elements can be replaced"
2309   },
2310   {
2311     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2312     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2313     -1,
2314     options_action_type,
2315     &custom_element_change.action_type,
2316     NULL, NULL,                         "action on specified condition"
2317   },
2318   {
2319     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2320     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2321     -1,
2322     options_action_mode_none,
2323     &custom_element_change.action_mode,
2324     NULL, NULL,                         "action operator"
2325   },
2326   {
2327     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2328     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2329     -1,
2330     options_action_arg_none,
2331     &custom_element_change.action_arg,
2332     NULL, NULL,                         "action parameter"
2333   },
2334   {
2335     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2336     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2337     3,
2338     options_change_page,
2339     &custom_element.current_change_page,
2340     NULL, NULL,                         "element change page"
2341   },
2342
2343   /* ---------- element settings: configure (group elements) --------------- */
2344
2345   {
2346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2347     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2348     -1,
2349     options_group_choice_mode,
2350     &group_element_info.choice_mode,
2351     "choice type:", NULL,               "type of group element choice"
2352   },
2353 };
2354
2355 static struct
2356 {
2357   int x, y;
2358   int gadget_id;
2359   int gadget_id_align;
2360   int size;
2361   char *text;
2362   char *text_left, *text_right, *infotext;
2363 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2364 {
2365   {
2366     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2367     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2368     8,                                  "Level",
2369     NULL, NULL,                         "Configure level properties"
2370   },
2371   {
2372     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2373     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2374     8,                                  "Editor",
2375     NULL, NULL,                         "Configure editor properties"
2376   },
2377   {
2378     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2379     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2380     8,                                  "Info",
2381     NULL, NULL,                         "Show information about element"
2382   },
2383   {
2384     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2385     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2386     8,                                  "Config",
2387     NULL, NULL,                         "Configure element properties"
2388   },
2389   {
2390     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2391     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2392     8,                                  "Config 1",
2393     NULL, NULL,                         "Configure element properties, part 1"
2394   },
2395   {
2396     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2397     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2398     8,                                  "Config 2",
2399     NULL, NULL,                         "Configure element properties, part 2"
2400   },
2401   {
2402     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2403     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2404     8,                                  "Change",
2405     NULL, NULL,                         "Configure custom element change pages"
2406   },
2407   {
2408     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2409     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2410     -1,                                 "Save",
2411     " ", "As Template",                 "Save current settings as new template"
2412   },
2413   {
2414     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2415     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2416     -1,                                 "New",
2417     NULL, NULL,                         "Add new change page"
2418   },
2419   {
2420     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2421     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2422     -1,                                 "Delete",
2423     NULL, NULL,                         "Delete current change page"
2424   },
2425 };
2426
2427 static struct
2428 {
2429   int gd_x, gd_y;
2430   int x, y;
2431   int width, height;
2432   int gadget_id;
2433   int gadget_id_align;
2434   char *text_left, *text_right, *infotext;
2435 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2436 {
2437   {
2438     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2440     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2441     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2442     NULL, NULL,                         "select previous change page"
2443   },
2444   {
2445     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2446     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2447     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2448     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2449     NULL, "change page",                "select next change page"
2450   },
2451   {
2452     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2453     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2454     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2455     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2456     " ", NULL,                          "copy settings from this change page"
2457   },
2458   {
2459     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2460     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2461     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2462     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2463     NULL, NULL,                         "paste settings to this change page"
2464   },
2465 };
2466
2467 static struct
2468 {
2469   int x, y;
2470 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2471
2472 static struct
2473 {
2474   int graphic;
2475   int gadget_id;
2476   char *infotext;
2477 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2478 {
2479   {
2480     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2481     GADGET_ID_SCROLL_UP,
2482     "scroll level editing area up"
2483   },
2484   {
2485     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2486     GADGET_ID_SCROLL_DOWN,
2487     "scroll level editing area down"
2488   },
2489   {
2490     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2491     GADGET_ID_SCROLL_LEFT,
2492     "scroll level editing area left"
2493   },
2494   {
2495     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2496     GADGET_ID_SCROLL_RIGHT,
2497     "scroll level editing area right"
2498   },
2499   {
2500     IMG_EDITOR_PALETTE_SCROLL_UP,
2501     GADGET_ID_SCROLL_LIST_UP,
2502     "scroll element list up ('Page Up')"
2503   },
2504   {
2505     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2506     GADGET_ID_SCROLL_LIST_DOWN,
2507     "scroll element list down ('Page Down')"
2508   },
2509 };
2510
2511 static struct
2512 {
2513   int x, y;
2514   int width, height;
2515   int wheel_x, wheel_y;
2516   int wheel_width, wheel_height;
2517 } scrollbar_pos[ED_NUM_SCROLLBARS];
2518
2519 static struct
2520 {
2521   int graphic;
2522   int type;
2523   int gadget_id;
2524   char *infotext;
2525 } scrollbar_info[ED_NUM_SCROLLBARS] =
2526 {
2527   {
2528     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2529     GD_TYPE_SCROLLBAR_HORIZONTAL,
2530     GADGET_ID_SCROLL_HORIZONTAL,
2531     "scroll level editing area horizontally"
2532   },
2533   {
2534     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2535     GD_TYPE_SCROLLBAR_VERTICAL,
2536     GADGET_ID_SCROLL_VERTICAL,
2537     "scroll level editing area vertically"
2538   },
2539   {
2540     IMG_EDITOR_PALETTE_SCROLLBAR,
2541     GD_TYPE_SCROLLBAR_VERTICAL,
2542     GADGET_ID_SCROLL_LIST_VERTICAL,
2543     "scroll element list vertically"
2544   }
2545 };
2546
2547
2548 static struct
2549 {
2550   int x, y;
2551   int gadget_id;
2552   int gadget_id_align;
2553   int radio_button_nr;
2554   int *value;
2555   int checked_value;
2556   char *text_left, *text_right, *infotext;
2557 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2558 {
2559   {
2560     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2561     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2562     RADIO_NR_RANDOM_ELEMENTS,
2563     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2564     " ", "percentage",                  "use percentage for random elements"
2565   },
2566   {
2567     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2568     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2569     RADIO_NR_RANDOM_ELEMENTS,
2570     &random_placement_method,           RANDOM_USE_QUANTITY,
2571     " ", "quantity",                    "use quantity for random elements"
2572   }
2573 };
2574
2575 static struct
2576 {
2577   int x, y;
2578   int gadget_id;
2579   int gadget_id_align;
2580   boolean *value;
2581   char *text_left, *text_right, *infotext;
2582 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2583 {
2584   /* ---------- level and editor settings ---------------------------------- */
2585
2586   {
2587     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2588     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2589     &random_placement_background_restricted,
2590     NULL,
2591     "restrict random placement to:",    "set random placement restriction"
2592   },
2593
2594   /* ---------- element settings: configure (various elements) ------------- */
2595
2596   {
2597     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2598     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2599     &stick_element_properties_window,
2600     NULL,
2601     "stick this screen to edit content","stick this screen to edit content"
2602   },
2603   {
2604     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2605     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2606     &level.em_slippery_gems,
2607     NULL,
2608     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2609   },
2610   {
2611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2612     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2613     &level.em_explodes_by_fire,
2614     NULL,
2615     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2616   },
2617   {
2618     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2619     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2620     &level.use_spring_bug,
2621     NULL,
2622     "use spring pushing bug",           "use odd spring pushing behaviour"
2623   },
2624   {
2625     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2626     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2627     &level.use_time_orb_bug,
2628     NULL,
2629     "use time orb bug",                 "use odd time orb behaviour"
2630   },
2631   {
2632     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2633     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2634     &level.ball_random,
2635     NULL,
2636     "create single random element",     "only create one element from content"
2637   },
2638   {
2639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2640     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2641     &level.ball_state_initial,
2642     NULL,
2643     "magic ball initially activated",   "activate magic ball after level start"
2644   },
2645   {
2646     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2647     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2648     &level.grow_into_diggable,
2649     NULL,
2650     "can grow into anything diggable",  "grow into more than just sand"
2651   },
2652   {
2653     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2654     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2655     &level.auto_exit_sokoban,
2656     NULL,
2657     "exit level if all fields solved",  "automatically finish Sokoban levels"
2658   },
2659   {
2660     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2661     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2662     &level.continuous_snapping,
2663     NULL,
2664     "continuous snapping",              "use snapping without releasing key"
2665   },
2666   {
2667     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2668     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2669     &level.block_snap_field,
2670     NULL,
2671     "block snapped field when snapping", "use snapping delay to show animation"
2672   },
2673   {
2674     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2675     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2676     &level.block_last_field,
2677     NULL,
2678     "block last field when moving",     "player blocks last field when moving"
2679   },
2680   {
2681     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2682     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2683     &level.sp_block_last_field,
2684     NULL,
2685     "block last field when moving",     "player blocks last field when moving"
2686   },
2687   {
2688     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2689     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2690     &level.instant_relocation,
2691     NULL,
2692     "no scrolling when relocating",     "player gets relocated without delay"
2693   },
2694   {
2695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2696     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2697     &level.shifted_relocation,
2698     NULL,
2699     "no centering when relocating",     "level not centered after relocation"
2700   },
2701   {
2702     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2703     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2704     &level.use_start_element[0],
2705     NULL,
2706     "use level start element:",        "start level at this element's position"
2707   },
2708   {
2709     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2710     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2711     &level.use_artwork_element[0],
2712     NULL,
2713     "use artwork from element:",        "use player artwork from other element"
2714   },
2715   {
2716     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2717     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2718     &level.use_explosion_element[0],
2719     NULL,
2720     "use explosion from element:",      "use explosion properties from element"
2721   },
2722   {
2723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2724     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2725     &level.initial_player_gravity[0],
2726     NULL,
2727     "use initial gravity",              "set initial player gravity"
2728   },
2729   {
2730     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2731     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2732     &level.use_initial_inventory[0],
2733     NULL,
2734     "use initial inventory:",           "use collected elements on level start"
2735   },
2736   {
2737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2738     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2739     &level.can_pass_to_walkable,
2740     NULL,
2741     "can pass to walkable element",     "player can pass to empty or walkable"
2742   },
2743   {
2744     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2745     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2746     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2747     NULL,
2748     "can fall into acid (with gravity)","player can fall into acid pool"
2749   },
2750   {
2751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2752     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2753     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2754     NULL,
2755     "can move into acid",               "element can move into acid pool"
2756   },
2757   {
2758     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2759     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2760     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2761     NULL,
2762     "deadly when colliding with",       "element is deadly when hitting player"
2763   },
2764   {
2765     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2766     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2767     &level.envelope[0].autowrap,
2768     NULL,
2769     "auto-wrap",                        "automatically wrap envelope text"
2770   },
2771   {
2772     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2773     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2774     &level.envelope[0].centered,
2775     " ",
2776     "centered",                         "automatically center envelope text"
2777   },
2778
2779   /* ---------- element settings: configure 1 (custom elements) ----------- */
2780
2781   {
2782     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2783     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2784     &custom_element.use_gfx_element,
2785     NULL,
2786     "use graphic of element:",          "use existing element graphic"
2787   },
2788   {
2789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2790     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2791     &level.use_custom_template,
2792     NULL,
2793     "use template",                     "use template for custom properties"
2794   },
2795   {
2796     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2797     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2798     &custom_element_properties[EP_ACCESSIBLE],
2799     NULL,
2800     NULL,                               "player can walk to or pass this field"
2801   },
2802   {
2803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2804     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2805     &custom_element_properties[EP_GRAVITY_REACHABLE],
2806     NULL,
2807     "reachable despite gravity",        "player can walk/dig despite gravity"
2808   },
2809   {
2810     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2811     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2812     &custom_element.use_last_ce_value,
2813     NULL,
2814     "use last CE value after change",   "use last CE value after change"
2815   },
2816   {
2817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2818     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2819     &custom_element_properties[EP_WALK_TO_OBJECT],
2820     NULL,
2821     NULL,                               "player can dig/collect/push element"
2822   },
2823   {
2824     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2825     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2826     &custom_element_properties[EP_INDESTRUCTIBLE],
2827     NULL,
2828     "indestructible",                   "element is indestructible"
2829   },
2830
2831   /* ---------- element settings: configure 2 (custom elements) ----------- */
2832
2833   {
2834     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2835     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2836     &custom_element_properties[EP_CAN_MOVE],
2837     NULL,
2838     NULL,                               "element can move with some pattern"
2839   },
2840   {
2841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2842     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2843     &custom_element_properties[EP_CAN_FALL],
2844     NULL,
2845     "can fall",                         "element can fall down"
2846   },
2847   {
2848     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2849     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2850     &custom_element_properties[EP_CAN_SMASH],
2851     " ",
2852     NULL,                               "element can smash other elements"
2853   },
2854   {
2855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2856     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2857     &custom_element_properties[EP_SLIPPERY],
2858     NULL,
2859     NULL,                               "other elements can fall down from it"
2860   },
2861   {
2862     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2863     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2864     &custom_element_properties[EP_DEADLY],
2865     NULL,
2866     NULL,                               "element can kill the player"
2867   },
2868   {
2869     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2870     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2871     &custom_element_properties[EP_CAN_EXPLODE],
2872     NULL,
2873     NULL,                               "element can explode"
2874   },
2875   {
2876     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2877     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2878     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2879     NULL,
2880     "by fire",                          "element can explode by fire/explosion"
2881   },
2882   {
2883     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2884     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2885     &custom_element_properties[EP_EXPLODES_SMASHED],
2886     " ",
2887     "smashed",                          "element can explode when smashed"
2888   },
2889   {
2890     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2891     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2892     &custom_element_properties[EP_EXPLODES_IMPACT],
2893     " ",
2894     "impact",                           "element can explode on impact"
2895   },
2896
2897   /* ---------- element settings: advanced (custom elements) --------------- */
2898
2899   {
2900     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2901     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2902     &custom_element_change.can_change,
2903     NULL,
2904     "element changes to:",              "change element on specified condition"
2905   },
2906   {
2907     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2908     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2909     &custom_element_change_events[CE_DELAY],
2910     NULL,
2911     NULL,                               "element changes after delay"
2912   },
2913   {
2914     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2915     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
2916     &custom_element_change_events[CE_BY_DIRECT_ACTION],
2917     NULL,
2918     NULL,                               "element changes by direct action"
2919   },
2920   {
2921     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
2922     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
2923     &custom_element_change_events[CE_BY_OTHER_ACTION],
2924     NULL,
2925     NULL,                               "element changes by other element"
2926   },
2927   {
2928     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2929     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
2930     &custom_element_change.explode,
2931     NULL,
2932     "explode instead of change",        "element explodes instead of change"
2933   },
2934   {
2935     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2936     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
2937     &custom_element_change.use_target_content,
2938     NULL,
2939     "use extended change target:",      "element changes to more elements"
2940   },
2941   {
2942     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
2943     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
2944     &custom_element_change.only_if_complete,
2945     NULL,
2946     "replace all or nothing",           "only replace when all can be changed"
2947   },
2948   {
2949     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
2950     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
2951     &custom_element_change.use_random_replace,
2952     NULL,
2953     NULL,                               "use percentage for random replace"
2954   },
2955   {
2956     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2957     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
2958     &custom_element_change.has_action,
2959     NULL,
2960     NULL,                               "execute action on specified condition"
2961   },
2962 };
2963
2964 static struct
2965 {
2966   int x, y;
2967   int gadget_id;
2968   int gadget_id_align;
2969   int *value;
2970   int area_xsize, area_ysize;
2971   char *text_left, *text_right, *text_below, *infotext;
2972 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
2973 {
2974   /* ---------- level playfield content ------------------------------------ */
2975
2976   {
2977     0,                                  0,
2978     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
2979     NULL,
2980     -1, -1,     /* these values are not constant, but can change at runtime */
2981     NULL, NULL, NULL,                   NULL
2982   },
2983
2984   /* ---------- yam yam content -------------------------------------------- */
2985
2986   {
2987     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
2988     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
2989     &level.yamyam_content[0].e[0][0],   3, 3,
2990     NULL, NULL, "1",                    NULL
2991   },
2992   {
2993     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
2994     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
2995     &level.yamyam_content[1].e[0][0],   3, 3,
2996     NULL, NULL, "2",                    NULL
2997   },
2998   {
2999     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3000     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3001     &level.yamyam_content[2].e[0][0],   3, 3,
3002     NULL, NULL, "3",                    NULL
3003   },
3004   {
3005     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3006     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3007     &level.yamyam_content[3].e[0][0],   3, 3,
3008     NULL, NULL, "4",                    NULL
3009   },
3010   {
3011     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3012     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3013     &level.yamyam_content[4].e[0][0],   3, 3,
3014     NULL, NULL, "5",                    NULL
3015   },
3016   {
3017     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3018     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3019     &level.yamyam_content[5].e[0][0],   3, 3,
3020     NULL, NULL, "6",                    NULL
3021   },
3022   {
3023     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3024     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3025     &level.yamyam_content[6].e[0][0],   3, 3,
3026     NULL, NULL, "7",                    NULL
3027   },
3028   {
3029     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3030     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3031     &level.yamyam_content[7].e[0][0],   3, 3,
3032     NULL, NULL, "8",                    NULL
3033   },
3034
3035   /* ---------- magic ball content ----------------------------------------- */
3036
3037   {
3038     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3039     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3040     &level.ball_content[0].e[0][0],     3, 3,
3041     NULL, NULL, "1",                    NULL
3042   },
3043   {
3044     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3045     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3046     &level.ball_content[1].e[0][0],     3, 3,
3047     NULL, NULL, "2",                    NULL
3048   },
3049   {
3050     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3051     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3052     &level.ball_content[2].e[0][0],     3, 3,
3053     NULL, NULL, "3",                    NULL
3054   },
3055   {
3056     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3057     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3058     &level.ball_content[3].e[0][0],     3, 3,
3059     NULL, NULL, "4",                    NULL
3060   },
3061   {
3062     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3063     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3064     &level.ball_content[4].e[0][0],     3, 3,
3065     NULL, NULL, "5",                    NULL
3066   },
3067   {
3068     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3069     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3070     &level.ball_content[5].e[0][0],     3, 3,
3071     NULL, NULL, "6",                    NULL
3072   },
3073   {
3074     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3075     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3076     &level.ball_content[6].e[0][0],     3, 3,
3077     NULL, NULL, "7",                    NULL
3078   },
3079   {
3080     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3081     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3082     &level.ball_content[7].e[0][0],     3, 3,
3083     NULL, NULL, "8",                    NULL
3084   },
3085
3086   /* ---------- android content -------------------------------------------- */
3087
3088   {
3089     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3090     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3091     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3092     "elements:", NULL, NULL,            "elements android can clone"
3093   },
3094
3095   /* ---------- amoeba content --------------------------------------------- */
3096
3097   {
3098     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3099     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3100     &level.amoeba_content,              1, 1,
3101     "content:", NULL, NULL,             "amoeba content"
3102   },
3103
3104   /* ---------- level start element ---------------------------------------- */
3105
3106   {
3107     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3108     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3109     &level.start_element[0],            1, 1,
3110     NULL, NULL, NULL,                   "level start element"
3111   },
3112
3113   /* ---------- player artwork element ------------------------------------- */
3114
3115   {
3116     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3117     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3118     &level.artwork_element[0],          1, 1,
3119     NULL, NULL, NULL,                   "element for player artwork"
3120   },
3121
3122   /* ---------- player explosion element ----------------------------------- */
3123
3124   {
3125     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3126     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3127     &level.explosion_element[0],        1, 1,
3128     NULL, NULL, NULL,                   "element for player explosion"
3129   },
3130
3131   /* ---------- player initial inventory ----------------------------------- */
3132
3133   {
3134     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3135     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3136     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3137     NULL, NULL, NULL,                   "content for initial inventory"
3138   },
3139
3140   /* ---------- element settings: configure 1 (custom elements) ----------- */
3141
3142   /* ---------- custom graphic --------------------------------------------- */
3143
3144   {
3145     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3146     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3147     &custom_element.gfx_element_initial,1, 1,
3148     NULL, NULL, NULL,                   "custom graphic element"
3149   },
3150
3151   /* ---------- element settings: configure 2 (custom elements) ----------- */
3152
3153   /* ---------- custom content (when exploding) ---------------------------- */
3154
3155   {
3156     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3157     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3158     &custom_element.content.e[0][0],    3, 3,
3159     "content:", NULL, NULL,             NULL
3160   },
3161
3162   /* ---------- custom enter and leave element (when moving) --------------- */
3163
3164   {
3165     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3166     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3167     &custom_element.move_enter_element, 1, 1,
3168     "can dig:", " ", NULL,              "element that can be digged/collected"
3169   },
3170   {
3171     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3172     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3173     &custom_element.move_leave_element, 1, 1,
3174     NULL, NULL, NULL,                   "element that will be left behind"
3175   },
3176
3177   /* ---------- element settings: advanced (custom elements) --------------- */
3178
3179   /* ---------- custom change target --------------------------------------- */
3180
3181   {
3182     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3183     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3184     &custom_element_change.target_element, 1, 1,
3185     NULL, "after/when:", NULL,          "new target element after change"
3186   },
3187
3188   /* ---------- custom change content (extended change target) ------------- */
3189
3190   {
3191     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3192     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3193     &custom_element_change.target_content.e[0][0], 3, 3,
3194     NULL, NULL, NULL,                   "new extended elements after change"
3195   },
3196
3197   /* ---------- custom change trigger (element causing change) ------------- */
3198
3199   {
3200     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3201     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3202     &custom_element_change.initial_trigger_element, 1, 1,
3203     NULL, NULL, NULL,                   "other element triggering change"
3204   },
3205
3206   /* ---------- custom change action (element used for action) ------------- */
3207
3208   {
3209     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3210     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3211     &custom_element_change.action_element, 1, 1,
3212     NULL, NULL, NULL,                   "element used as action parameter"
3213   },
3214
3215   /* ---------- group element content -------------------------------------- */
3216
3217   {
3218     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
3219     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3220     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3221     "content:", NULL, NULL,             NULL
3222   },
3223
3224   /* ---------- random background (for random painting) -------------------- */
3225
3226   {
3227     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3228     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3229     &random_placement_background_element, 1, 1,
3230     NULL, NULL, NULL,                   "random placement background"
3231   },
3232 };
3233
3234
3235 /*
3236   -----------------------------------------------------------------------------
3237   some internally used variables
3238   -----------------------------------------------------------------------------
3239 */
3240
3241 /* actual size of level editor drawing area */
3242 static int ed_fieldx, ed_fieldy;
3243
3244 /* actual position of level editor drawing area in level playfield */
3245 static int level_xpos = -1, level_ypos = -1;
3246
3247 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3248
3249 /* drawing elements on the three mouse buttons */
3250 static int new_element1 = EL_WALL;
3251 static int new_element2 = EL_EMPTY;
3252 static int new_element3 = EL_SAND;
3253
3254 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3255 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3256                                 (button) == 2 ? new_element2 : \
3257                                 (button) == 3 ? new_element3 : EL_EMPTY)
3258 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3259
3260 /* forward declaration for internal use */
3261 static void ModifyEditorCounterValue(int, int);
3262 static void ModifyEditorCounterLimits(int, int, int);
3263 static void ModifyEditorSelectboxValue(int, int);
3264 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3265 static void ModifyEditorDrawingArea(int, int, int);
3266 static void ModifyEditorElementList();
3267 static void AdjustElementListScrollbar();
3268 static void RedrawDrawingElements();
3269 static void DrawDrawingWindow();
3270 static void DrawLevelInfoWindow();
3271 static void DrawPropertiesWindow();
3272 static void UpdateCustomElementGraphicGadgets();
3273 static boolean checkPropertiesConfig(int);
3274 static void CopyLevelToUndoBuffer(int);
3275 static void HandleDrawingAreas(struct GadgetInfo *);
3276 static void HandleCounterButtons(struct GadgetInfo *);
3277 static void HandleTextInputGadgets(struct GadgetInfo *);
3278 static void HandleTextAreaGadgets(struct GadgetInfo *);
3279 static void HandleSelectboxGadgets(struct GadgetInfo *);
3280 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3281 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3282 static void HandleRadiobuttons(struct GadgetInfo *);
3283 static void HandleCheckbuttons(struct GadgetInfo *);
3284 static void HandleControlButtons(struct GadgetInfo *);
3285 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3286 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3287
3288 static int num_editor_gadgets = 0;      /* dynamically determined */
3289
3290 static struct GadgetInfo **level_editor_gadget = NULL;
3291 static int *right_gadget_border = NULL;
3292
3293 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3294 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3295 static boolean draw_with_brush = FALSE;
3296 static int properties_element = 0;
3297
3298 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3299 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3300 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3301 static int undo_buffer_position = 0;
3302 static int undo_buffer_steps = 0;
3303
3304 static int edit_mode;
3305 static int edit_mode_levelinfo;
3306 static int edit_mode_properties;
3307
3308 static int element_shift = 0;
3309
3310 static int editor_el_players[] =
3311 {
3312   EL_PLAYER_1,
3313   EL_PLAYER_2,
3314   EL_PLAYER_3,
3315   EL_PLAYER_4
3316 };
3317 static int *editor_el_players_ptr = editor_el_players;
3318 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3319
3320 static int editor_hl_boulderdash[] =
3321 {
3322   EL_INTERNAL_CASCADE_BD_ACTIVE,
3323   EL_CHAR('B'),
3324   EL_CHAR('D'),
3325   EL_EMPTY,
3326 };
3327
3328 static int editor_el_boulderdash[] =
3329 {
3330   EL_EMPTY,
3331   EL_SAND,
3332   EL_BD_ROCK,
3333   EL_BD_DIAMOND,
3334
3335   EL_STEELWALL,
3336   EL_BD_WALL,
3337   EL_BD_EXPANDABLE_WALL,
3338   EL_BD_MAGIC_WALL,
3339
3340   EL_BD_AMOEBA,
3341   EL_BD_BUTTERFLY_UP,
3342   EL_BD_FIREFLY_UP,
3343   EL_EXIT_CLOSED,
3344
3345   EL_BD_BUTTERFLY_LEFT,
3346   EL_BD_FIREFLY_LEFT,
3347   EL_BD_BUTTERFLY_RIGHT,
3348   EL_BD_FIREFLY_RIGHT,
3349
3350   EL_EMPTY,
3351   EL_BD_BUTTERFLY_DOWN,
3352   EL_BD_FIREFLY_DOWN,
3353   EL_EXIT_OPEN,
3354 };
3355 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3356 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3357 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3358 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3359
3360 static int editor_hl_emerald_mine[] =
3361 {
3362   EL_INTERNAL_CASCADE_EM_ACTIVE,
3363   EL_CHAR('E'),
3364   EL_CHAR('M'),
3365   EL_EMPTY,
3366 };
3367
3368 static int editor_el_emerald_mine[] =
3369 {
3370   EL_SAND,
3371   EL_ROCK,
3372   EL_QUICKSAND_EMPTY,
3373   EL_QUICKSAND_FULL,
3374
3375   EL_STEELWALL,
3376   EL_WALL,
3377   EL_WALL_SLIPPERY,
3378   EL_MAGIC_WALL,
3379
3380   EL_EMERALD,
3381   EL_DIAMOND,
3382   EL_NUT,
3383   EL_BOMB,
3384
3385   EL_WALL_EMERALD,
3386   EL_WALL_DIAMOND,
3387   EL_DYNAMITE,
3388   EL_DYNAMITE_ACTIVE,
3389
3390   EL_YAMYAM,
3391   EL_BUG_UP,
3392   EL_SPACESHIP_UP,
3393   EL_ROBOT,
3394
3395   EL_BUG_LEFT,
3396   EL_SPACESHIP_LEFT,
3397   EL_BUG_RIGHT,
3398   EL_SPACESHIP_RIGHT,
3399
3400   EL_ROBOT_WHEEL,
3401   EL_BUG_DOWN,
3402   EL_SPACESHIP_DOWN,
3403   EL_INVISIBLE_WALL,
3404
3405   EL_ACID_POOL_TOPLEFT,
3406   EL_ACID,
3407   EL_ACID_POOL_TOPRIGHT,
3408   EL_AMOEBA_DROP,
3409
3410   EL_ACID_POOL_BOTTOMLEFT,
3411   EL_ACID_POOL_BOTTOM,
3412   EL_ACID_POOL_BOTTOMRIGHT,
3413   EL_AMOEBA_WET,
3414
3415   EL_EM_KEY_1,
3416   EL_EM_KEY_2,
3417   EL_EM_KEY_3,
3418   EL_EM_KEY_4,
3419
3420   EL_EM_GATE_1,
3421   EL_EM_GATE_2,
3422   EL_EM_GATE_3,
3423   EL_EM_GATE_4,
3424
3425   EL_EM_GATE_1_GRAY,
3426   EL_EM_GATE_2_GRAY,
3427   EL_EM_GATE_3_GRAY,
3428   EL_EM_GATE_4_GRAY,
3429
3430   EL_EM_EXIT_CLOSED,
3431   EL_EM_EXIT_OPEN,
3432   EL_EM_STEEL_EXIT_CLOSED,
3433   EL_EM_STEEL_EXIT_OPEN,
3434 };
3435 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3436 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3437 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3438 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3439
3440 static int editor_hl_emerald_mine_club[] =
3441 {
3442   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3443   EL_CHAR('E'),
3444   EL_CHAR('M'),
3445   EL_CHAR('C'),
3446 };
3447
3448 static int editor_el_emerald_mine_club[] =
3449 {
3450   EL_EMC_KEY_5,
3451   EL_EMC_KEY_6,
3452   EL_EMC_KEY_7,
3453   EL_EMC_KEY_8,
3454
3455   EL_EMC_GATE_5,
3456   EL_EMC_GATE_6,
3457   EL_EMC_GATE_7,
3458   EL_EMC_GATE_8,
3459
3460   EL_EMC_GATE_5_GRAY,
3461   EL_EMC_GATE_6_GRAY,
3462   EL_EMC_GATE_7_GRAY,
3463   EL_EMC_GATE_8_GRAY,
3464
3465   EL_EMC_STEELWALL_1,
3466   EL_EMC_STEELWALL_2,
3467   EL_EMC_STEELWALL_3,
3468   EL_EMC_STEELWALL_4,
3469
3470   EL_EMC_WALL_13,
3471   EL_EMC_WALL_14,
3472   EL_EMC_WALL_15,
3473   EL_EMC_WALL_16,
3474
3475   EL_EMC_WALL_SLIPPERY_1,
3476   EL_EMC_WALL_SLIPPERY_2,
3477   EL_EMC_WALL_SLIPPERY_3,
3478   EL_EMC_WALL_SLIPPERY_4,
3479
3480   EL_EMC_WALL_1,
3481   EL_EMC_WALL_2,
3482   EL_EMC_WALL_3,
3483   EL_EMC_WALL_4,
3484
3485   EL_EMC_WALL_5,
3486   EL_EMC_WALL_6,
3487   EL_EMC_WALL_7,
3488   EL_EMC_WALL_8,
3489
3490   EL_EMC_WALL_9,
3491   EL_EMC_WALL_10,
3492   EL_EMC_WALL_11,
3493   EL_EMC_WALL_12,
3494
3495   EL_EMC_GRASS,
3496   EL_EMC_FAKE_GRASS,
3497   EL_EMC_PLANT,
3498   EL_EMC_DRIPPER,
3499
3500   EL_EMC_MAGIC_BALL,
3501   EL_EMC_MAGIC_BALL_SWITCH,
3502   EL_SPRING,
3503   EL_EMC_SPRING_BUMPER,
3504
3505   EL_EMC_LENSES,
3506   EL_EMC_MAGNIFIER,
3507   EL_EM_DYNAMITE,
3508   EL_EM_DYNAMITE_ACTIVE,
3509
3510   EL_BALLOON,
3511   EL_YAMYAM_UP,
3512   EL_BALLOON_SWITCH_UP,
3513   EL_BALLOON_SWITCH_ANY,
3514
3515   EL_YAMYAM_LEFT,
3516   EL_BALLOON_SWITCH_LEFT,
3517   EL_YAMYAM_RIGHT,
3518   EL_BALLOON_SWITCH_RIGHT,
3519
3520   EL_EMC_ANDROID,
3521   EL_YAMYAM_DOWN,
3522   EL_BALLOON_SWITCH_DOWN,
3523   EL_BALLOON_SWITCH_NONE,
3524 };
3525 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3526 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3527 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3528 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3529
3530 static int editor_hl_rnd[] =
3531 {
3532   EL_INTERNAL_CASCADE_RND_ACTIVE,
3533   EL_CHAR('R'),
3534   EL_CHAR('N'),
3535   EL_CHAR('D'),
3536 };
3537
3538 static int editor_el_rnd[] =
3539 {
3540   EL_KEY_1,
3541   EL_KEY_2,
3542   EL_KEY_3,
3543   EL_KEY_4,
3544
3545   EL_GATE_1,
3546   EL_GATE_2,
3547   EL_GATE_3,
3548   EL_GATE_4,
3549
3550   EL_GATE_1_GRAY,
3551   EL_GATE_2_GRAY,
3552   EL_GATE_3_GRAY,
3553   EL_GATE_4_GRAY,
3554
3555   EL_ARROW_LEFT,
3556   EL_ARROW_RIGHT,
3557   EL_ARROW_UP,
3558   EL_ARROW_DOWN,
3559
3560   EL_AMOEBA_DEAD,
3561   EL_AMOEBA_DRY,
3562   EL_AMOEBA_FULL,
3563   EL_GAME_OF_LIFE,
3564
3565   EL_EMERALD_YELLOW,
3566   EL_EMERALD_RED,
3567   EL_EMERALD_PURPLE,
3568   EL_BIOMAZE,
3569
3570   EL_WALL_EMERALD_YELLOW,
3571   EL_WALL_EMERALD_RED,
3572   EL_WALL_EMERALD_PURPLE,
3573   EL_WALL_BD_DIAMOND,
3574
3575   EL_SPEED_PILL,
3576   EL_PACMAN_UP,
3577   EL_TIME_ORB_FULL,
3578   EL_TIME_ORB_EMPTY,
3579
3580   EL_PACMAN_LEFT,
3581   EL_DARK_YAMYAM,
3582   EL_PACMAN_RIGHT,
3583   EL_EMPTY,
3584
3585   EL_BLACK_ORB,
3586   EL_PACMAN_DOWN,
3587   EL_LAMP,
3588   EL_LAMP_ACTIVE,
3589
3590   EL_DYNABOMB_INCREASE_NUMBER,
3591   EL_DYNABOMB_INCREASE_SIZE,
3592   EL_DYNABOMB_INCREASE_POWER,
3593   EL_STONEBLOCK,
3594
3595   EL_MOLE,
3596   EL_PENGUIN,
3597   EL_PIG,
3598   EL_DRAGON,
3599
3600   EL_BUG,
3601   EL_MOLE_UP,
3602   EL_BD_BUTTERFLY,
3603   EL_BD_FIREFLY,
3604
3605   EL_MOLE_LEFT,
3606   EL_SATELLITE,
3607   EL_MOLE_RIGHT,
3608   EL_PACMAN,
3609
3610   EL_SPACESHIP,
3611   EL_MOLE_DOWN,
3612   EL_INVISIBLE_STEELWALL,
3613   EL_INVISIBLE_WALL,
3614
3615   EL_EXPANDABLE_WALL,
3616   EL_EXPANDABLE_WALL_HORIZONTAL,
3617   EL_EXPANDABLE_WALL_VERTICAL,
3618   EL_EXPANDABLE_WALL_ANY,
3619 };
3620 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3621 static int *editor_el_rnd_ptr = editor_el_rnd;
3622 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3623 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3624
3625 static int editor_hl_sokoban[] =
3626 {
3627   EL_INTERNAL_CASCADE_SB_ACTIVE,
3628   EL_CHAR('S'),
3629   EL_CHAR('B'),
3630   EL_EMPTY,
3631 };
3632
3633 static int editor_el_sokoban[] =
3634 {
3635   EL_SOKOBAN_OBJECT,
3636   EL_SOKOBAN_FIELD_EMPTY,
3637   EL_SOKOBAN_FIELD_FULL,
3638   EL_SOKOBAN_FIELD_PLAYER,
3639 };
3640 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3641 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3642 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3643 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3644
3645 static int editor_hl_supaplex[] =
3646 {
3647   EL_INTERNAL_CASCADE_SP_ACTIVE,
3648   EL_CHAR('S'),
3649   EL_CHAR('P'),
3650   EL_EMPTY,
3651 };
3652
3653 static int editor_el_supaplex[] =
3654 {
3655   EL_SP_MURPHY,
3656   EL_EMPTY,
3657   EL_SP_BASE,
3658   EL_SP_BUGGY_BASE,
3659
3660   EL_SP_INFOTRON,
3661   EL_SP_ZONK,
3662   EL_SP_SNIKSNAK,
3663   EL_SP_ELECTRON,
3664
3665   EL_SP_DISK_RED,
3666   EL_SP_DISK_ORANGE,
3667   EL_SP_DISK_YELLOW,
3668   EL_SP_TERMINAL,
3669
3670   EL_SP_EXIT_CLOSED,
3671   EL_SP_PORT_HORIZONTAL,
3672   EL_SP_PORT_VERTICAL,
3673   EL_SP_PORT_ANY,
3674
3675   EL_SP_PORT_LEFT,
3676   EL_SP_PORT_RIGHT,
3677   EL_SP_PORT_UP,
3678   EL_SP_PORT_DOWN,
3679
3680   EL_SP_GRAVITY_PORT_LEFT,
3681   EL_SP_GRAVITY_PORT_RIGHT,
3682   EL_SP_GRAVITY_PORT_UP,
3683   EL_SP_GRAVITY_PORT_DOWN,
3684
3685   EL_SP_GRAVITY_ON_PORT_LEFT,
3686   EL_SP_GRAVITY_ON_PORT_RIGHT,
3687   EL_SP_GRAVITY_ON_PORT_UP,
3688   EL_SP_GRAVITY_ON_PORT_DOWN,
3689
3690   EL_SP_GRAVITY_OFF_PORT_LEFT,
3691   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3692   EL_SP_GRAVITY_OFF_PORT_UP,
3693   EL_SP_GRAVITY_OFF_PORT_DOWN,
3694
3695   EL_SP_HARDWARE_GRAY,
3696   EL_SP_HARDWARE_GREEN,
3697   EL_SP_HARDWARE_BLUE,
3698   EL_SP_HARDWARE_RED,
3699
3700   EL_SP_HARDWARE_BASE_1,
3701   EL_SP_HARDWARE_BASE_2,
3702   EL_SP_HARDWARE_BASE_3,
3703   EL_SP_HARDWARE_BASE_4,
3704
3705   EL_SP_HARDWARE_BASE_5,
3706   EL_SP_HARDWARE_BASE_6,
3707   EL_SP_HARDWARE_YELLOW,
3708   EL_SP_CHIP_TOP,
3709
3710   EL_SP_CHIP_SINGLE,
3711   EL_SP_CHIP_LEFT,
3712   EL_SP_CHIP_RIGHT,
3713   EL_SP_CHIP_BOTTOM,
3714 };
3715 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3716 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3717 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3718 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3719
3720 static int editor_hl_diamond_caves[] =
3721 {
3722   EL_INTERNAL_CASCADE_DC_ACTIVE,
3723   EL_CHAR('D'),
3724   EL_CHAR('C'),
3725   EL_CHAR('2'),
3726 };
3727
3728 static int editor_el_diamond_caves[] =
3729 {
3730   EL_PEARL,
3731   EL_CRYSTAL,
3732   EL_WALL_PEARL,
3733   EL_WALL_CRYSTAL,
3734
3735   EL_CONVEYOR_BELT_1_LEFT,
3736   EL_CONVEYOR_BELT_1_MIDDLE,
3737   EL_CONVEYOR_BELT_1_RIGHT,
3738   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3739
3740   EL_CONVEYOR_BELT_2_LEFT,
3741   EL_CONVEYOR_BELT_2_MIDDLE,
3742   EL_CONVEYOR_BELT_2_RIGHT,
3743   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3744
3745   EL_CONVEYOR_BELT_3_LEFT,
3746   EL_CONVEYOR_BELT_3_MIDDLE,
3747   EL_CONVEYOR_BELT_3_RIGHT,
3748   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3749
3750   EL_CONVEYOR_BELT_4_LEFT,
3751   EL_CONVEYOR_BELT_4_MIDDLE,
3752   EL_CONVEYOR_BELT_4_RIGHT,
3753   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3754
3755   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3756   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3757   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3758   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3759
3760   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3761   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3762   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3763   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3764
3765   EL_TIMEGATE_CLOSED,
3766   EL_TIMEGATE_OPEN,
3767   EL_TIMEGATE_SWITCH,
3768   EL_DC_TIMEGATE_SWITCH,
3769
3770   EL_SWITCHGATE_CLOSED,
3771   EL_SWITCHGATE_OPEN,
3772   EL_SWITCHGATE_SWITCH_UP,
3773   EL_SWITCHGATE_SWITCH_DOWN,
3774
3775   EL_LIGHT_SWITCH,
3776   EL_LIGHT_SWITCH_ACTIVE,
3777   EL_DC_SWITCHGATE_SWITCH_UP,
3778   EL_DC_SWITCHGATE_SWITCH_DOWN,
3779
3780   EL_STEEL_EXIT_CLOSED,
3781   EL_STEEL_EXIT_OPEN,
3782   EL_STEELWALL_SLIPPERY,
3783   EL_INVISIBLE_SAND,
3784
3785   EL_QUICKSAND_FAST_EMPTY,
3786   EL_QUICKSAND_FAST_FULL,
3787   EL_LANDMINE,
3788   EL_DC_LANDMINE,
3789
3790   EL_SHIELD_NORMAL,
3791   EL_SHIELD_DEADLY,
3792   EL_EXTRA_TIME,
3793   EL_DC_MAGIC_WALL,
3794
3795   EL_ENVELOPE_1,
3796   EL_ENVELOPE_2,
3797   EL_ENVELOPE_3,
3798   EL_ENVELOPE_4,
3799
3800   EL_SIGN_RADIOACTIVITY,
3801   EL_SIGN_WHEELCHAIR,
3802   EL_SIGN_PARKING,
3803   EL_SIGN_NO_ENTRY,
3804
3805   EL_SIGN_GIVE_WAY,
3806   EL_SIGN_ENTRY_FORBIDDEN,
3807   EL_SIGN_EMERGENCY_EXIT,
3808   EL_SIGN_YIN_YANG,
3809
3810 #if 0
3811   EL_SIGN_SPERMS,
3812   EL_SIGN_BULLET,
3813   EL_SIGN_HEART,
3814   EL_SIGN_CROSS,
3815
3816   EL_SIGN_FRANKIE,
3817   EL_EMPTY,
3818   EL_EMPTY,
3819   EL_EMPTY,
3820
3821   EL_SPERMS,
3822   EL_BULLET,
3823   EL_HEART,
3824   EL_CROSS,
3825
3826   EL_FRANKIE,
3827   EL_EMPTY,
3828   EL_EMPTY,
3829   EL_EMPTY,
3830 #endif
3831
3832   EL_DC_STEELWALL_2_SINGLE,
3833   EL_DC_STEELWALL_2_TOP,
3834   EL_SIGN_EXCLAMATION,
3835   EL_SIGN_STOP,
3836
3837   EL_DC_STEELWALL_2_LEFT,
3838   EL_DC_STEELWALL_2_MIDDLE,
3839   EL_DC_STEELWALL_2_HORIZONTAL,
3840   EL_DC_STEELWALL_2_RIGHT,
3841
3842   EL_DC_STEELWALL_1_TOPLEFT,
3843   EL_DC_STEELWALL_2_VERTICAL,
3844   EL_DC_STEELWALL_1_TOPRIGHT,
3845   EL_DC_GATE_WHITE,
3846
3847   EL_DC_STEELWALL_1_VERTICAL,
3848   EL_DC_STEELWALL_2_BOTTOM,
3849   EL_DC_KEY_WHITE,
3850   EL_DC_GATE_WHITE_GRAY,
3851
3852   EL_DC_STEELWALL_1_BOTTOMLEFT,
3853   EL_DC_STEELWALL_1_HORIZONTAL,
3854   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3855   EL_DC_GATE_FAKE_GRAY,
3856
3857   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3858   EL_DC_STEELWALL_1_BOTTOM,
3859   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3860   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3861
3862   EL_DC_STEELWALL_1_RIGHT,
3863   EL_EMPTY,
3864   EL_DC_STEELWALL_1_LEFT,
3865   EL_EXPANDABLE_STEELWALL_VERTICAL,
3866
3867   EL_DC_STEELWALL_1_TOPRIGHT_2,
3868   EL_DC_STEELWALL_1_TOP,
3869   EL_DC_STEELWALL_1_TOPLEFT_2,
3870   EL_EXPANDABLE_STEELWALL_ANY,
3871 };
3872 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3873 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3874 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3875 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3876
3877 static int editor_hl_dx_boulderdash[] =
3878 {
3879   EL_INTERNAL_CASCADE_DX_ACTIVE,
3880   EL_CHAR('D'),
3881   EL_CHAR('X'),
3882   EL_EMPTY,
3883 };
3884
3885 static int editor_el_dx_boulderdash[] =
3886 {
3887   EL_EMPTY,
3888   EL_TUBE_RIGHT_DOWN,
3889   EL_TUBE_HORIZONTAL_DOWN,
3890   EL_TUBE_LEFT_DOWN,
3891
3892   EL_TUBE_HORIZONTAL,
3893   EL_TUBE_VERTICAL_RIGHT,
3894   EL_TUBE_ANY,
3895   EL_TUBE_VERTICAL_LEFT,
3896
3897   EL_TUBE_VERTICAL,
3898   EL_TUBE_RIGHT_UP,
3899   EL_TUBE_HORIZONTAL_UP,
3900   EL_TUBE_LEFT_UP,
3901
3902   EL_TRAP,
3903   EL_DX_SUPABOMB,
3904   EL_EMPTY,
3905   EL_EMPTY
3906 };
3907 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3908 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
3909 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
3910 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
3911
3912 static int editor_hl_chars[] =
3913 {
3914   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3915   EL_CHAR('T'),
3916   EL_CHAR('X'),
3917   EL_CHAR('T'),
3918 };
3919
3920 static int editor_el_chars[] =
3921 {
3922   EL_CHAR(' '),
3923   EL_CHAR('!'),
3924   EL_CHAR('"'),
3925   EL_CHAR('#'),
3926
3927   EL_CHAR('$'),
3928   EL_CHAR('%'),
3929   EL_CHAR('&'),
3930   EL_CHAR('\''),
3931
3932   EL_CHAR('('),
3933   EL_CHAR(')'),
3934   EL_CHAR('*'),
3935   EL_CHAR('+'),
3936
3937   EL_CHAR(','),
3938   EL_CHAR('-'),
3939   EL_CHAR('.'),
3940   EL_CHAR('/'),
3941
3942   EL_CHAR('0'),
3943   EL_CHAR('1'),
3944   EL_CHAR('2'),
3945   EL_CHAR('3'),
3946
3947   EL_CHAR('4'),
3948   EL_CHAR('5'),
3949   EL_CHAR('6'),
3950   EL_CHAR('7'),
3951
3952   EL_CHAR('8'),
3953   EL_CHAR('9'),
3954   EL_CHAR(':'),
3955   EL_CHAR(';'),
3956
3957   EL_CHAR('<'),
3958   EL_CHAR('='),
3959   EL_CHAR('>'),
3960   EL_CHAR('?'),
3961
3962   EL_CHAR('@'),
3963   EL_CHAR('A'),
3964   EL_CHAR('B'),
3965   EL_CHAR('C'),
3966
3967   EL_CHAR('D'),
3968   EL_CHAR('E'),
3969   EL_CHAR('F'),
3970   EL_CHAR('G'),
3971
3972   EL_CHAR('H'),
3973   EL_CHAR('I'),
3974   EL_CHAR('J'),
3975   EL_CHAR('K'),
3976
3977   EL_CHAR('L'),
3978   EL_CHAR('M'),
3979   EL_CHAR('N'),
3980   EL_CHAR('O'),
3981
3982   EL_CHAR('P'),
3983   EL_CHAR('Q'),
3984   EL_CHAR('R'),
3985   EL_CHAR('S'),
3986
3987   EL_CHAR('T'),
3988   EL_CHAR('U'),
3989   EL_CHAR('V'),
3990   EL_CHAR('W'),
3991
3992   EL_CHAR('X'),
3993   EL_CHAR('Y'),
3994   EL_CHAR('Z'),
3995   EL_CHAR('['),
3996
3997   EL_CHAR('\\'),
3998   EL_CHAR(']'),
3999   EL_CHAR('^'),
4000   EL_CHAR('_'),
4001
4002   EL_CHAR('©'),
4003   EL_CHAR('Ä'),
4004   EL_CHAR('Ö'),
4005   EL_CHAR('Ü'),
4006
4007   EL_CHAR('°'),
4008   EL_CHAR('®'),
4009   EL_CHAR(FONT_ASCII_CURSOR),
4010   EL_CHAR(FONT_ASCII_BUTTON),
4011
4012   EL_CHAR(FONT_ASCII_UP),
4013   EL_CHAR(FONT_ASCII_DOWN),
4014   EL_CHAR(' '),
4015   EL_CHAR(' ')
4016 };
4017 static int *editor_hl_chars_ptr = editor_hl_chars;
4018 static int *editor_el_chars_ptr = editor_el_chars;
4019 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4020 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4021
4022 static int editor_hl_steel_chars[] =
4023 {
4024   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4025   EL_STEEL_CHAR('T'),
4026   EL_STEEL_CHAR('X'),
4027   EL_STEEL_CHAR('T'),
4028 };
4029
4030 static int editor_el_steel_chars[] =
4031 {
4032   EL_STEEL_CHAR(' '),
4033   EL_STEEL_CHAR('!'),
4034   EL_STEEL_CHAR('"'),
4035   EL_STEEL_CHAR('#'),
4036
4037   EL_STEEL_CHAR('$'),
4038   EL_STEEL_CHAR('%'),
4039   EL_STEEL_CHAR('&'),
4040   EL_STEEL_CHAR('\''),
4041
4042   EL_STEEL_CHAR('('),
4043   EL_STEEL_CHAR(')'),
4044   EL_STEEL_CHAR('*'),
4045   EL_STEEL_CHAR('+'),
4046
4047   EL_STEEL_CHAR(','),
4048   EL_STEEL_CHAR('-'),
4049   EL_STEEL_CHAR('.'),
4050   EL_STEEL_CHAR('/'),
4051
4052   EL_STEEL_CHAR('0'),
4053   EL_STEEL_CHAR('1'),
4054   EL_STEEL_CHAR('2'),
4055   EL_STEEL_CHAR('3'),
4056
4057   EL_STEEL_CHAR('4'),
4058   EL_STEEL_CHAR('5'),
4059   EL_STEEL_CHAR('6'),
4060   EL_STEEL_CHAR('7'),
4061
4062   EL_STEEL_CHAR('8'),
4063   EL_STEEL_CHAR('9'),
4064   EL_STEEL_CHAR(':'),
4065   EL_STEEL_CHAR(';'),
4066
4067   EL_STEEL_CHAR('<'),
4068   EL_STEEL_CHAR('='),
4069   EL_STEEL_CHAR('>'),
4070   EL_STEEL_CHAR('?'),
4071
4072   EL_STEEL_CHAR('@'),
4073   EL_STEEL_CHAR('A'),
4074   EL_STEEL_CHAR('B'),
4075   EL_STEEL_CHAR('C'),
4076
4077   EL_STEEL_CHAR('D'),
4078   EL_STEEL_CHAR('E'),
4079   EL_STEEL_CHAR('F'),
4080   EL_STEEL_CHAR('G'),
4081
4082   EL_STEEL_CHAR('H'),
4083   EL_STEEL_CHAR('I'),
4084   EL_STEEL_CHAR('J'),
4085   EL_STEEL_CHAR('K'),
4086
4087   EL_STEEL_CHAR('L'),
4088   EL_STEEL_CHAR('M'),
4089   EL_STEEL_CHAR('N'),
4090   EL_STEEL_CHAR('O'),
4091
4092   EL_STEEL_CHAR('P'),
4093   EL_STEEL_CHAR('Q'),
4094   EL_STEEL_CHAR('R'),
4095   EL_STEEL_CHAR('S'),
4096
4097   EL_STEEL_CHAR('T'),
4098   EL_STEEL_CHAR('U'),
4099   EL_STEEL_CHAR('V'),
4100   EL_STEEL_CHAR('W'),
4101
4102   EL_STEEL_CHAR('X'),
4103   EL_STEEL_CHAR('Y'),
4104   EL_STEEL_CHAR('Z'),
4105   EL_STEEL_CHAR('['),
4106
4107   EL_STEEL_CHAR('\\'),
4108   EL_STEEL_CHAR(']'),
4109   EL_STEEL_CHAR('^'),
4110   EL_STEEL_CHAR('_'),
4111
4112   EL_STEEL_CHAR('©'),
4113   EL_STEEL_CHAR('Ä'),
4114   EL_STEEL_CHAR('Ö'),
4115   EL_STEEL_CHAR('Ü'),
4116
4117   EL_STEEL_CHAR('°'),
4118   EL_STEEL_CHAR('®'),
4119   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4120   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4121
4122   EL_STEEL_CHAR(FONT_ASCII_UP),
4123   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4124   EL_STEEL_CHAR(' '),
4125   EL_STEEL_CHAR(' ')
4126 };
4127 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4128 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4129 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4130 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4131
4132 static int editor_hl_custom[] =
4133 {
4134   EL_INTERNAL_CASCADE_CE_ACTIVE,
4135   EL_CHAR('C'),
4136   EL_CHAR('E'),
4137   EL_EMPTY,
4138 };
4139
4140 static int editor_el_custom[] =
4141 {
4142   EL_CUSTOM_START + 0,
4143   EL_CUSTOM_START + 1,
4144   EL_CUSTOM_START + 2,
4145   EL_CUSTOM_START + 3,
4146
4147   EL_CUSTOM_START + 4,
4148   EL_CUSTOM_START + 5,
4149   EL_CUSTOM_START + 6,
4150   EL_CUSTOM_START + 7,
4151
4152   EL_CUSTOM_START + 8,
4153   EL_CUSTOM_START + 9,
4154   EL_CUSTOM_START + 10,
4155   EL_CUSTOM_START + 11,
4156
4157   EL_CUSTOM_START + 12,
4158   EL_CUSTOM_START + 13,
4159   EL_CUSTOM_START + 14,
4160   EL_CUSTOM_START + 15,
4161
4162   EL_CUSTOM_START + 16,
4163   EL_CUSTOM_START + 17,
4164   EL_CUSTOM_START + 18,
4165   EL_CUSTOM_START + 19,
4166
4167   EL_CUSTOM_START + 20,
4168   EL_CUSTOM_START + 21,
4169   EL_CUSTOM_START + 22,
4170   EL_CUSTOM_START + 23,
4171
4172   EL_CUSTOM_START + 24,
4173   EL_CUSTOM_START + 25,
4174   EL_CUSTOM_START + 26,
4175   EL_CUSTOM_START + 27,
4176
4177   EL_CUSTOM_START + 28,
4178   EL_CUSTOM_START + 29,
4179   EL_CUSTOM_START + 30,
4180   EL_CUSTOM_START + 31,
4181
4182   EL_CUSTOM_START + 32,
4183   EL_CUSTOM_START + 33,
4184   EL_CUSTOM_START + 34,
4185   EL_CUSTOM_START + 35,
4186
4187   EL_CUSTOM_START + 36,
4188   EL_CUSTOM_START + 37,
4189   EL_CUSTOM_START + 38,
4190   EL_CUSTOM_START + 39,
4191
4192   EL_CUSTOM_START + 40,
4193   EL_CUSTOM_START + 41,
4194   EL_CUSTOM_START + 42,
4195   EL_CUSTOM_START + 43,
4196
4197   EL_CUSTOM_START + 44,
4198   EL_CUSTOM_START + 45,
4199   EL_CUSTOM_START + 46,
4200   EL_CUSTOM_START + 47,
4201
4202   EL_CUSTOM_START + 48,
4203   EL_CUSTOM_START + 49,
4204   EL_CUSTOM_START + 50,
4205   EL_CUSTOM_START + 51,
4206
4207   EL_CUSTOM_START + 52,
4208   EL_CUSTOM_START + 53,
4209   EL_CUSTOM_START + 54,
4210   EL_CUSTOM_START + 55,
4211
4212   EL_CUSTOM_START + 56,
4213   EL_CUSTOM_START + 57,
4214   EL_CUSTOM_START + 58,
4215   EL_CUSTOM_START + 59,
4216
4217   EL_CUSTOM_START + 60,
4218   EL_CUSTOM_START + 61,
4219   EL_CUSTOM_START + 62,
4220   EL_CUSTOM_START + 63,
4221
4222   EL_CUSTOM_START + 64,
4223   EL_CUSTOM_START + 65,
4224   EL_CUSTOM_START + 66,
4225   EL_CUSTOM_START + 67,
4226
4227   EL_CUSTOM_START + 68,
4228   EL_CUSTOM_START + 69,
4229   EL_CUSTOM_START + 70,
4230   EL_CUSTOM_START + 71,
4231
4232   EL_CUSTOM_START + 72,
4233   EL_CUSTOM_START + 73,
4234   EL_CUSTOM_START + 74,
4235   EL_CUSTOM_START + 75,
4236
4237   EL_CUSTOM_START + 76,
4238   EL_CUSTOM_START + 77,
4239   EL_CUSTOM_START + 78,
4240   EL_CUSTOM_START + 79,
4241
4242   EL_CUSTOM_START + 80,
4243   EL_CUSTOM_START + 81,
4244   EL_CUSTOM_START + 82,
4245   EL_CUSTOM_START + 83,
4246
4247   EL_CUSTOM_START + 84,
4248   EL_CUSTOM_START + 85,
4249   EL_CUSTOM_START + 86,
4250   EL_CUSTOM_START + 87,
4251
4252   EL_CUSTOM_START + 88,
4253   EL_CUSTOM_START + 89,
4254   EL_CUSTOM_START + 90,
4255   EL_CUSTOM_START + 91,
4256
4257   EL_CUSTOM_START + 92,
4258   EL_CUSTOM_START + 93,
4259   EL_CUSTOM_START + 94,
4260   EL_CUSTOM_START + 95,
4261
4262   EL_CUSTOM_START + 96,
4263   EL_CUSTOM_START + 97,
4264   EL_CUSTOM_START + 98,
4265   EL_CUSTOM_START + 99,
4266
4267   EL_CUSTOM_START + 100,
4268   EL_CUSTOM_START + 101,
4269   EL_CUSTOM_START + 102,
4270   EL_CUSTOM_START + 103,
4271
4272   EL_CUSTOM_START + 104,
4273   EL_CUSTOM_START + 105,
4274   EL_CUSTOM_START + 106,
4275   EL_CUSTOM_START + 107,
4276
4277   EL_CUSTOM_START + 108,
4278   EL_CUSTOM_START + 109,
4279   EL_CUSTOM_START + 110,
4280   EL_CUSTOM_START + 111,
4281
4282   EL_CUSTOM_START + 112,
4283   EL_CUSTOM_START + 113,
4284   EL_CUSTOM_START + 114,
4285   EL_CUSTOM_START + 115,
4286
4287   EL_CUSTOM_START + 116,
4288   EL_CUSTOM_START + 117,
4289   EL_CUSTOM_START + 118,
4290   EL_CUSTOM_START + 119,
4291
4292   EL_CUSTOM_START + 120,
4293   EL_CUSTOM_START + 121,
4294   EL_CUSTOM_START + 122,
4295   EL_CUSTOM_START + 123,
4296
4297   EL_CUSTOM_START + 124,
4298   EL_CUSTOM_START + 125,
4299   EL_CUSTOM_START + 126,
4300   EL_CUSTOM_START + 127,
4301
4302   EL_CUSTOM_START + 128,
4303   EL_CUSTOM_START + 129,
4304   EL_CUSTOM_START + 130,
4305   EL_CUSTOM_START + 131,
4306
4307   EL_CUSTOM_START + 132,
4308   EL_CUSTOM_START + 133,
4309   EL_CUSTOM_START + 134,
4310   EL_CUSTOM_START + 135,
4311
4312   EL_CUSTOM_START + 136,
4313   EL_CUSTOM_START + 137,
4314   EL_CUSTOM_START + 138,
4315   EL_CUSTOM_START + 139,
4316
4317   EL_CUSTOM_START + 140,
4318   EL_CUSTOM_START + 141,
4319   EL_CUSTOM_START + 142,
4320   EL_CUSTOM_START + 143,
4321
4322   EL_CUSTOM_START + 144,
4323   EL_CUSTOM_START + 145,
4324   EL_CUSTOM_START + 146,
4325   EL_CUSTOM_START + 147,
4326
4327   EL_CUSTOM_START + 148,
4328   EL_CUSTOM_START + 149,
4329   EL_CUSTOM_START + 150,
4330   EL_CUSTOM_START + 151,
4331
4332   EL_CUSTOM_START + 152,
4333   EL_CUSTOM_START + 153,
4334   EL_CUSTOM_START + 154,
4335   EL_CUSTOM_START + 155,
4336
4337   EL_CUSTOM_START + 156,
4338   EL_CUSTOM_START + 157,
4339   EL_CUSTOM_START + 158,
4340   EL_CUSTOM_START + 159,
4341
4342   EL_CUSTOM_START + 160,
4343   EL_CUSTOM_START + 161,
4344   EL_CUSTOM_START + 162,
4345   EL_CUSTOM_START + 163,
4346
4347   EL_CUSTOM_START + 164,
4348   EL_CUSTOM_START + 165,
4349   EL_CUSTOM_START + 166,
4350   EL_CUSTOM_START + 167,
4351
4352   EL_CUSTOM_START + 168,
4353   EL_CUSTOM_START + 169,
4354   EL_CUSTOM_START + 170,
4355   EL_CUSTOM_START + 171,
4356
4357   EL_CUSTOM_START + 172,
4358   EL_CUSTOM_START + 173,
4359   EL_CUSTOM_START + 174,
4360   EL_CUSTOM_START + 175,
4361
4362   EL_CUSTOM_START + 176,
4363   EL_CUSTOM_START + 177,
4364   EL_CUSTOM_START + 178,
4365   EL_CUSTOM_START + 179,
4366
4367   EL_CUSTOM_START + 180,
4368   EL_CUSTOM_START + 181,
4369   EL_CUSTOM_START + 182,
4370   EL_CUSTOM_START + 183,
4371
4372   EL_CUSTOM_START + 184,
4373   EL_CUSTOM_START + 185,
4374   EL_CUSTOM_START + 186,
4375   EL_CUSTOM_START + 187,
4376
4377   EL_CUSTOM_START + 188,
4378   EL_CUSTOM_START + 189,
4379   EL_CUSTOM_START + 190,
4380   EL_CUSTOM_START + 191,
4381
4382   EL_CUSTOM_START + 192,
4383   EL_CUSTOM_START + 193,
4384   EL_CUSTOM_START + 194,
4385   EL_CUSTOM_START + 195,
4386
4387   EL_CUSTOM_START + 196,
4388   EL_CUSTOM_START + 197,
4389   EL_CUSTOM_START + 198,
4390   EL_CUSTOM_START + 199,
4391
4392   EL_CUSTOM_START + 200,
4393   EL_CUSTOM_START + 201,
4394   EL_CUSTOM_START + 202,
4395   EL_CUSTOM_START + 203,
4396
4397   EL_CUSTOM_START + 204,
4398   EL_CUSTOM_START + 205,
4399   EL_CUSTOM_START + 206,
4400   EL_CUSTOM_START + 207,
4401
4402   EL_CUSTOM_START + 208,
4403   EL_CUSTOM_START + 209,
4404   EL_CUSTOM_START + 210,
4405   EL_CUSTOM_START + 211,
4406
4407   EL_CUSTOM_START + 212,
4408   EL_CUSTOM_START + 213,
4409   EL_CUSTOM_START + 214,
4410   EL_CUSTOM_START + 215,
4411
4412   EL_CUSTOM_START + 216,
4413   EL_CUSTOM_START + 217,
4414   EL_CUSTOM_START + 218,
4415   EL_CUSTOM_START + 219,
4416
4417   EL_CUSTOM_START + 220,
4418   EL_CUSTOM_START + 221,
4419   EL_CUSTOM_START + 222,
4420   EL_CUSTOM_START + 223,
4421
4422   EL_CUSTOM_START + 224,
4423   EL_CUSTOM_START + 225,
4424   EL_CUSTOM_START + 226,
4425   EL_CUSTOM_START + 227,
4426
4427   EL_CUSTOM_START + 228,
4428   EL_CUSTOM_START + 229,
4429   EL_CUSTOM_START + 230,
4430   EL_CUSTOM_START + 231,
4431
4432   EL_CUSTOM_START + 232,
4433   EL_CUSTOM_START + 233,
4434   EL_CUSTOM_START + 234,
4435   EL_CUSTOM_START + 235,
4436
4437   EL_CUSTOM_START + 236,
4438   EL_CUSTOM_START + 237,
4439   EL_CUSTOM_START + 238,
4440   EL_CUSTOM_START + 239,
4441
4442   EL_CUSTOM_START + 240,
4443   EL_CUSTOM_START + 241,
4444   EL_CUSTOM_START + 242,
4445   EL_CUSTOM_START + 243,
4446
4447   EL_CUSTOM_START + 244,
4448   EL_CUSTOM_START + 245,
4449   EL_CUSTOM_START + 246,
4450   EL_CUSTOM_START + 247,
4451
4452   EL_CUSTOM_START + 248,
4453   EL_CUSTOM_START + 249,
4454   EL_CUSTOM_START + 250,
4455   EL_CUSTOM_START + 251,
4456
4457   EL_CUSTOM_START + 252,
4458   EL_CUSTOM_START + 253,
4459   EL_CUSTOM_START + 254,
4460   EL_CUSTOM_START + 255
4461 };
4462 static int *editor_hl_custom_ptr = editor_hl_custom;
4463 static int *editor_el_custom_ptr = editor_el_custom;
4464 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4465 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4466
4467 static int editor_hl_group[] =
4468 {
4469   EL_INTERNAL_CASCADE_GE_ACTIVE,
4470   EL_CHAR('G'),
4471   EL_CHAR('E'),
4472   EL_EMPTY,
4473 };
4474
4475 static int editor_el_group[] =
4476 {
4477   EL_GROUP_START + 0,
4478   EL_GROUP_START + 1,
4479   EL_GROUP_START + 2,
4480   EL_GROUP_START + 3,
4481
4482   EL_GROUP_START + 4,
4483   EL_GROUP_START + 5,
4484   EL_GROUP_START + 6,
4485   EL_GROUP_START + 7,
4486
4487   EL_GROUP_START + 8,
4488   EL_GROUP_START + 9,
4489   EL_GROUP_START + 10,
4490   EL_GROUP_START + 11,
4491
4492   EL_GROUP_START + 12,
4493   EL_GROUP_START + 13,
4494   EL_GROUP_START + 14,
4495   EL_GROUP_START + 15,
4496
4497   EL_GROUP_START + 16,
4498   EL_GROUP_START + 17,
4499   EL_GROUP_START + 18,
4500   EL_GROUP_START + 19,
4501
4502   EL_GROUP_START + 20,
4503   EL_GROUP_START + 21,
4504   EL_GROUP_START + 22,
4505   EL_GROUP_START + 23,
4506
4507   EL_GROUP_START + 24,
4508   EL_GROUP_START + 25,
4509   EL_GROUP_START + 26,
4510   EL_GROUP_START + 27,
4511
4512   EL_GROUP_START + 28,
4513   EL_GROUP_START + 29,
4514   EL_GROUP_START + 30,
4515   EL_GROUP_START + 31
4516 };
4517 static int *editor_hl_group_ptr = editor_hl_group;
4518 static int *editor_el_group_ptr = editor_el_group;
4519 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4520 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4521
4522 static int editor_hl_reference[] =
4523 {
4524   EL_INTERNAL_CASCADE_REF_ACTIVE,
4525   EL_CHAR('R'),
4526   EL_CHAR('E'),
4527   EL_CHAR('F')
4528 };
4529
4530 static int editor_el_reference[] =
4531 {
4532   EL_TRIGGER_PLAYER,
4533   EL_TRIGGER_ELEMENT,
4534   EL_TRIGGER_CE_VALUE,
4535   EL_TRIGGER_CE_SCORE,
4536
4537   EL_SELF,
4538   EL_ANY_ELEMENT,
4539   EL_CURRENT_CE_VALUE,
4540   EL_CURRENT_CE_SCORE,
4541
4542   EL_PREV_CE_8,
4543   EL_PREV_CE_7,
4544   EL_PREV_CE_6,
4545   EL_PREV_CE_5,
4546
4547   EL_PREV_CE_4,
4548   EL_PREV_CE_3,
4549   EL_PREV_CE_2,
4550   EL_PREV_CE_1,
4551
4552   EL_NEXT_CE_1,
4553   EL_NEXT_CE_2,
4554   EL_NEXT_CE_3,
4555   EL_NEXT_CE_4,
4556
4557   EL_NEXT_CE_5,
4558   EL_NEXT_CE_6,
4559   EL_NEXT_CE_7,
4560   EL_NEXT_CE_8,
4561 };
4562 static int *editor_hl_reference_ptr = editor_hl_reference;
4563 static int *editor_el_reference_ptr = editor_el_reference;
4564 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4565 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4566
4567 static int editor_hl_user_defined[] =
4568 {
4569   EL_INTERNAL_CASCADE_USER_ACTIVE,
4570   EL_CHAR('M'),
4571   EL_CHAR('Y'),
4572   EL_EMPTY,
4573 };
4574
4575 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4576 static int *editor_el_user_defined_ptr = NULL;
4577 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4578 static int num_editor_el_user_defined = 0;
4579
4580 static int editor_hl_dynamic[] =
4581 {
4582   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4583   EL_CHAR('U'),
4584   EL_CHAR('S'),
4585   EL_CHAR('E'),
4586 };
4587
4588 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4589 static int *editor_el_dynamic_ptr = NULL;
4590 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4591 static int num_editor_el_dynamic = 0;
4592
4593 static int editor_hl_empty[] = { EL_EMPTY };
4594 static int *editor_el_empty = NULL;     /* dynamically allocated */
4595
4596 static int *editor_hl_empty_ptr = editor_hl_empty;
4597 static int *editor_el_empty_ptr = NULL;
4598 static int num_editor_hl_empty = 0;
4599 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4600
4601 static boolean use_el_empty = FALSE;
4602
4603 static int *editor_elements = NULL;     /* dynamically allocated */
4604 static int num_editor_elements = 0;     /* dynamically determined */
4605
4606 static boolean setup_editor_show_always = TRUE;
4607 static boolean setup_editor_cascade_never = FALSE;
4608
4609 static int editor_hl_unused[] = { EL_EMPTY };
4610 static int *editor_hl_unused_ptr = editor_hl_unused;
4611 static int num_editor_hl_unused = 0;
4612
4613 static struct
4614 {
4615   boolean *setup_value;
4616   boolean *setup_cascade_value;
4617
4618   int **headline_list;
4619   int *headline_list_size;
4620
4621   int **element_list;
4622   int *element_list_size;
4623
4624   boolean last_setup_value;
4625 }
4626 editor_elements_info[] =
4627 {
4628   {
4629     &setup_editor_show_always,
4630     &setup_editor_cascade_never,
4631     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4632     &editor_el_players_ptr,             &num_editor_el_players
4633   },
4634   {
4635     &setup.editor.el_boulderdash,
4636     &setup.editor_cascade.el_bd,
4637     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4638     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4639   },
4640   {
4641     &setup.editor.el_emerald_mine,
4642     &setup.editor_cascade.el_em,
4643     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4644     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4645   },
4646   {
4647     &setup.editor.el_emerald_mine_club,
4648     &setup.editor_cascade.el_emc,
4649     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4650     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4651   },
4652   {
4653     &setup.editor.el_more,
4654     &setup.editor_cascade.el_rnd,
4655     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4656     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4657   },
4658   {
4659     &setup.editor.el_sokoban,
4660     &setup.editor_cascade.el_sb,
4661     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4662     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4663   },
4664   {
4665     &setup.editor.el_supaplex,
4666     &setup.editor_cascade.el_sp,
4667     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4668     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4669   },
4670   {
4671     &setup.editor.el_diamond_caves,
4672     &setup.editor_cascade.el_dc,
4673     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4674     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4675   },
4676   {
4677     &setup.editor.el_dx_boulderdash,
4678     &setup.editor_cascade.el_dx,
4679     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4680     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4681   },
4682   {
4683     &setup.editor.el_chars,
4684     &setup.editor_cascade.el_chars,
4685     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4686     &editor_el_chars_ptr,               &num_editor_el_chars
4687   },
4688   {
4689     &setup.editor.el_steel_chars,
4690     &setup.editor_cascade.el_steel_chars,
4691     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4692     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4693   },
4694   {
4695     &setup.editor.el_custom,
4696     &setup.editor_cascade.el_ce,
4697     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4698     &editor_el_custom_ptr,              &num_editor_el_custom
4699   },
4700   {
4701     &setup.editor.el_custom,
4702     &setup.editor_cascade.el_ge,
4703     &editor_hl_group_ptr,               &num_editor_hl_group,
4704     &editor_el_group_ptr,               &num_editor_el_group
4705   },
4706   {
4707     &setup.editor.el_custom,
4708     &setup.editor_cascade.el_ref,
4709     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4710     &editor_el_reference_ptr,           &num_editor_el_reference
4711   },
4712   {
4713     &setup.editor.el_user_defined,
4714     &setup.editor_cascade.el_user,
4715     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4716     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4717   },
4718   {
4719     &setup.editor.el_dynamic,
4720     &setup.editor_cascade.el_dynamic,
4721     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4722     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4723   },
4724   {
4725     &use_el_empty,
4726     &use_el_empty,
4727     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4728     &editor_el_empty_ptr,               &num_editor_el_empty,
4729   },
4730   {
4731     NULL,
4732     NULL,
4733     NULL,                               NULL,
4734     NULL,                               NULL
4735   }
4736 };
4737
4738
4739 /*
4740   -----------------------------------------------------------------------------
4741   functions
4742   -----------------------------------------------------------------------------
4743 */
4744
4745 static int getMaxInfoTextLength()
4746 {
4747   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4748 }
4749
4750 static int getTextWidthForGadget(char *text)
4751 {
4752   if (text == NULL)
4753     return 0;
4754
4755   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4756 }
4757
4758 static int getTextWidthForDrawingArea(char *text)
4759 {
4760   if (text == NULL)
4761     return 0;
4762
4763   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4764 }
4765
4766 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4767 {
4768   return (gi->x + gi->width + getTextWidthForGadget(text));
4769 }
4770
4771 static char *getElementInfoText(int element)
4772 {
4773   char *info_text = NULL;
4774
4775   if (element < MAX_NUM_ELEMENTS)
4776   {
4777     if (strlen(element_info[element].description) > 0)
4778       info_text = element_info[element].description;
4779     else if (element_info[element].custom_description != NULL)
4780       info_text = element_info[element].custom_description;
4781     else if (element_info[element].editor_description != NULL)
4782       info_text = element_info[element].editor_description;
4783   }
4784
4785   if (info_text == NULL)
4786     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4787
4788   return info_text;
4789 }
4790
4791 char *getElementDescriptionFilename(int element)
4792 {
4793   char *docs_dir = options.docs_directory;
4794   char *elements_subdir = "elements";
4795   static char *filename = NULL;
4796   char basename[MAX_FILENAME_LEN];
4797
4798   checked_free(filename);
4799
4800   /* 1st try: look for element description file for exactly this element */
4801   sprintf(basename, "%s.txt", element_info[element].token_name);
4802   filename = getPath3(docs_dir, elements_subdir, basename);
4803   if (fileExists(filename))
4804     return filename;
4805
4806   free(filename);
4807
4808   /* 2nd try: look for element description file for this element's class */
4809   sprintf(basename, "%s.txt", element_info[element].class_name);
4810   filename = getPath3(docs_dir, elements_subdir, basename);
4811   if (fileExists(filename))
4812     return filename;
4813
4814   return NULL;
4815 }
4816
4817 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4818 {
4819   boolean element_found[NUM_FILE_ELEMENTS];
4820   int i, x, y;
4821
4822   /* initialize list of used elements to "not used" */
4823   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4824     element_found[i] = FALSE;
4825
4826   /* find all elements used in current level */
4827   for (y = 0; y < lev_fieldy; y++)
4828     for (x = 0; x < lev_fieldx; x++)
4829       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4830         element_found[Feld[x][y]] = TRUE;
4831
4832   *num_elements = 0;
4833
4834   /* count number of elements used in current level */
4835   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4836     if (element_found[i])
4837       (*num_elements)++;
4838
4839   /* add space for up to 3 more elements for padding that may be needed */
4840   *num_elements += 3;
4841
4842   /* free memory for old list of elements, if needed */
4843   checked_free(*elements);
4844
4845   /* allocate memory for new list of elements */
4846   *elements = checked_malloc(*num_elements * sizeof(int));
4847
4848   *num_elements = 0;
4849
4850   /* add all elements used in current level (non-custom/group elements) */
4851   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4852     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4853       (*elements)[(*num_elements)++] = i;
4854
4855   /* add all elements used in current level (custom/group elements) */
4856   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4857     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4858       (*elements)[(*num_elements)++] = i;
4859
4860   while (*num_elements % 4)     /* pad with empty elements, if needed */
4861     (*elements)[(*num_elements)++] = EL_EMPTY;
4862 }
4863
4864 static void ReinitializeElementList()
4865 {
4866   static boolean initialization_needed = TRUE;
4867   int pos = 0;
4868   int i, j;
4869
4870   if (initialization_needed)
4871   {
4872     LoadSetup_EditorCascade();          /* load last editor cascade state */
4873
4874     /* initialize editor cascade element from saved cascade state */
4875     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4876     {
4877       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4878       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4879
4880       if (IS_EDITOR_CASCADE(*cascade_element))
4881         *cascade_element =
4882           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4883            EL_CASCADE_INACTIVE(*cascade_element));
4884     }
4885
4886     initialization_needed = FALSE;
4887   }
4888
4889   checked_free(editor_elements);
4890
4891   /* reload optional user defined element list for each invocation of editor */
4892   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
4893                                    &num_editor_el_user_defined);
4894
4895   /* initialize dynamic level element list for each invocation of editor */
4896   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
4897                                &num_editor_el_dynamic);
4898
4899   /* initialize list of empty elements (used for padding, if needed) */
4900   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4901     editor_el_empty[i] = EL_EMPTY;
4902
4903   /* do some sanity checks for each element from element list */
4904   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4905   {
4906     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4907     {
4908       int element = (*editor_elements_info[i].element_list)[j];
4909
4910       if (element >= NUM_FILE_ELEMENTS)
4911         Error(ERR_WARN, "editor element %d is runtime element", element);
4912
4913       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
4914         Error(ERR_WARN, "no element description for element %d", element);
4915     }
4916   }
4917
4918   num_editor_elements = 0;
4919   use_el_empty = FALSE;
4920
4921   /* determine size of element list */
4922   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4923   {
4924     boolean found_inactive_cascade = FALSE;
4925
4926     if (*editor_elements_info[i].setup_value)
4927     {
4928       if (setup.editor.el_headlines)
4929       {
4930         num_editor_elements += *editor_elements_info[i].headline_list_size;
4931
4932         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4933         {
4934           int element = (*editor_elements_info[i].headline_list)[j];
4935
4936           if (IS_EDITOR_CASCADE_INACTIVE(element))
4937             found_inactive_cascade = TRUE;
4938         }
4939       }
4940
4941       if (found_inactive_cascade)
4942         continue;
4943
4944       num_editor_elements += *editor_elements_info[i].element_list_size;
4945     }
4946   }
4947
4948   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
4949   {
4950     /* offer at least as many elements as element buttons exist */
4951     use_el_empty = TRUE;
4952     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
4953
4954     num_editor_elements += num_editor_el_empty;
4955   }
4956
4957   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
4958
4959   /* fill element list */
4960   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4961   {
4962     boolean found_inactive_cascade = FALSE;
4963
4964     if (*editor_elements_info[i].setup_value)
4965     {
4966       if (setup.editor.el_headlines)
4967       {
4968         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
4969         {
4970           int element = (*editor_elements_info[i].headline_list)[j];
4971
4972           editor_elements[pos++] = element;
4973
4974           if (IS_EDITOR_CASCADE_INACTIVE(element))
4975             found_inactive_cascade = TRUE;
4976         }
4977       }
4978
4979       if (found_inactive_cascade)
4980         continue;
4981
4982       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
4983         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
4984     }
4985   }
4986
4987   /* (this function is also called before editor gadgets are initialized!) */
4988   AdjustElementListScrollbar();
4989 }
4990
4991 void PrintEditorElementList()
4992 {
4993   boolean *stop = &setup.editor.el_user_defined;
4994   int i, j;
4995
4996   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
4997   {
4998     int cascade_element = (*editor_elements_info[i].headline_list)[0];
4999
5000     if (IS_EDITOR_CASCADE(cascade_element))
5001     {
5002       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5003       char *headline = element_info[cascade_element_show].editor_description;
5004
5005       printf_line_with_prefix("# ", "-", 77);
5006       printf("# %s\n", headline);
5007       printf_line_with_prefix("# ", "-", 77);
5008     }
5009
5010     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5011     {
5012       int element = (*editor_elements_info[i].headline_list)[j];
5013
5014       if (IS_EDITOR_CASCADE(element))
5015         element = EL_CHAR_MINUS;
5016
5017       printf("# %s\n", element_info[element].token_name);
5018     }
5019
5020     if (j > 0)
5021       printf("#\n");
5022
5023     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5024     {
5025       int element = (*editor_elements_info[i].element_list)[j];
5026
5027       printf("# %s\n", element_info[element].token_name);
5028     }
5029
5030     if (j > 0)
5031       printf("#\n");
5032   }
5033 }
5034
5035 static void ReinitializeElementListButtons()
5036 {
5037   static boolean last_setup_value_headlines = FALSE;
5038   static boolean initialization_needed = TRUE;
5039   int i;
5040
5041   if (!initialization_needed)   /* check if editor element setup has changed */
5042   {
5043     if (last_setup_value_headlines != setup.editor.el_headlines)
5044       initialization_needed = TRUE;
5045
5046     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5047       if (editor_elements_info[i].last_setup_value !=
5048           *editor_elements_info[i].setup_value)
5049         initialization_needed = TRUE;
5050   }
5051
5052   if (!initialization_needed)
5053     return;
5054
5055   FreeLevelEditorGadgets();
5056   CreateLevelEditorGadgets();
5057
5058   /* store current setup values for next invocation of this function */
5059   last_setup_value_headlines = setup.editor.el_headlines;
5060   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5061     editor_elements_info[i].last_setup_value =
5062       *editor_elements_info[i].setup_value;
5063
5064   initialization_needed = FALSE;
5065 }
5066
5067 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5068                               boolean input)
5069 {
5070   int border_graphic =
5071     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5072   Bitmap *src_bitmap;
5073   int src_x, src_y;
5074   int bx = (input ? 4 : 8);
5075   int by = (input ? 4 : 8);
5076   int bx2 = TILEX - bx;
5077   int by2 = TILEY - by;
5078   int i;
5079
5080   getFixedGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5081
5082   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5083              bx, by, dest_x - bx, dest_y - by);
5084   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5085              bx, by, dest_x + width, dest_y - by);
5086   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5087              bx, by, dest_x - bx, dest_y + height);
5088   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5089              bx, by, dest_x + width, dest_y + height);
5090
5091   for (i = 0; i < width / MINI_TILEX; i++)
5092   {
5093     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5094                dest_x + i * MINI_TILEX, dest_y - by);
5095     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5096                dest_x + i * MINI_TILEX, dest_y + height);
5097   }
5098
5099   for (i = 0; i < height / MINI_TILEY; i++)
5100   {
5101     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5102                dest_x - bx, dest_y + i * MINI_TILEY);
5103     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5104                dest_x + width, dest_y + i * MINI_TILEY);
5105   }
5106
5107   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5108 }
5109
5110 static void DrawDrawingArea(int id)
5111 {
5112   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5113   int x, y;
5114
5115   int *value = drawingarea_info[id].value;
5116   int area_xsize = drawingarea_info[id].area_xsize;
5117   int area_ysize = drawingarea_info[id].area_ysize;
5118
5119   for (x = 0; x < area_xsize; x++)
5120     for (y = 0; y < area_ysize; y++)
5121       DrawMiniGraphicExt(drawto,
5122                          gi->x + x * MINI_TILEX,
5123                          gi->y + y * MINI_TILEY,
5124                          el2edimg(value[x * area_ysize + y]));
5125 }
5126
5127 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5128 {
5129   int x, y;
5130   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5131   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5132
5133   BlitBitmap(drawto, drawto,
5134              SX + (dx == -1 ? MINI_TILEX : 0),
5135              SY + (dy == -1 ? MINI_TILEY : 0),
5136              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5137              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5138              SX + (dx == +1 ? MINI_TILEX : 0),
5139              SY + (dy == +1 ? MINI_TILEY : 0));
5140
5141   if (dx)
5142   {
5143     x = (dx == 1 ? 0 : ed_fieldx - 1);
5144     for (y = 0; y < ed_fieldy; y++)
5145       DrawMiniElementOrWall(x, y, from_x, from_y);
5146   }
5147   else if (dy)
5148   {
5149     y = (dy == 1 ? 0 : ed_fieldy - 1);
5150     for (x = 0; x < ed_fieldx; x++)
5151       DrawMiniElementOrWall(x, y, from_x, from_y);
5152   }
5153
5154   redraw_mask |= REDRAW_FIELD;
5155   BackToFront();
5156 }
5157
5158 static void CreateControlButtons()
5159 {
5160   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5161   struct GadgetInfo *gi;
5162   unsigned int event_mask;
5163   int i;
5164
5165   /* create toolbox buttons */
5166   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5167   {
5168     int id = i;
5169     int width, height;
5170     int gd_xoffset, gd_yoffset;
5171     int gd_x1, gd_x2, gd_y1, gd_y2;
5172     int button_type;
5173     int radio_button_nr;
5174     boolean checked;
5175
5176     if (id == GADGET_ID_SINGLE_ITEMS ||
5177         id == GADGET_ID_CONNECTED_ITEMS ||
5178         id == GADGET_ID_LINE ||
5179         id == GADGET_ID_ARC ||
5180         id == GADGET_ID_TEXT ||
5181         id == GADGET_ID_RECTANGLE ||
5182         id == GADGET_ID_FILLED_BOX ||
5183         id == GADGET_ID_FLOOD_FILL ||
5184         id == GADGET_ID_GRAB_BRUSH ||
5185         id == GADGET_ID_PICK_ELEMENT ||
5186         id == GADGET_ID_CUSTOM_COPY_FROM ||
5187         id == GADGET_ID_CUSTOM_COPY_TO ||
5188         id == GADGET_ID_CUSTOM_EXCHANGE)
5189     {
5190       button_type = GD_TYPE_RADIO_BUTTON;
5191       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5192       checked = (id == drawing_function ? TRUE : FALSE);
5193       event_mask = GD_EVENT_PRESSED;
5194     }
5195     else
5196     {
5197       button_type = GD_TYPE_NORMAL_BUTTON;
5198       radio_button_nr = RADIO_NR_NONE;
5199       checked = FALSE;
5200
5201       if (id == GADGET_ID_WRAP_LEFT ||
5202           id == GADGET_ID_WRAP_RIGHT ||
5203           id == GADGET_ID_WRAP_UP ||
5204           id == GADGET_ID_WRAP_DOWN)
5205         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5206       else
5207         event_mask = GD_EVENT_RELEASED;
5208     }
5209
5210     if (id < ED_NUM_CTRL1_BUTTONS)
5211     {
5212       int x = i % ED_CTRL1_BUTTONS_HORIZ;
5213       int y = i / ED_CTRL1_BUTTONS_HORIZ;
5214
5215       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
5216       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
5217       width  = ED_CTRL1_BUTTON_XSIZE;
5218       height = ED_CTRL1_BUTTON_YSIZE;
5219
5220       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5221       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5222       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
5223       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5224     }
5225     else if (id < ED_NUM_CTRL1_2_BUTTONS)
5226     {
5227       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
5228       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
5229
5230       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
5231       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
5232       width  = ED_CTRL2_BUTTON_XSIZE;
5233       height = ED_CTRL2_BUTTON_YSIZE;
5234
5235       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
5236       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
5237       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
5238       gd_y2 = 0;        /* no alternative graphic for these buttons */
5239     }
5240     else if (id < ED_NUM_CTRL1_3_BUTTONS)
5241     {
5242       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
5243       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
5244
5245       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
5246       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
5247       width  = ED_CTRL3_BUTTON_XSIZE;
5248       height = ED_CTRL3_BUTTON_YSIZE;
5249
5250       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
5251       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
5252       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
5253       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
5254     }
5255     else
5256     {
5257       int x = (i - ED_NUM_CTRL1_3_BUTTONS) % ED_CTRL4_BUTTONS_HORIZ;
5258       int y = (i - ED_NUM_CTRL1_3_BUTTONS) / ED_CTRL4_BUTTONS_HORIZ + 3;
5259
5260       gd_xoffset = ED_CTRL4_BUTTONS_XPOS + x * ED_CTRL4_BUTTON_XSIZE;
5261       gd_yoffset = ED_CTRL4_BUTTONS_YPOS + y * ED_CTRL4_BUTTON_YSIZE;
5262       width  = ED_CTRL4_BUTTON_XSIZE;
5263       height = ED_CTRL4_BUTTON_YSIZE;
5264
5265       gd_x1 = DOOR_GFX_PAGEX6 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5266       gd_x2 = DOOR_GFX_PAGEX5 + ED_CTRL4_BUTTONS_GFX_XPOS + gd_xoffset;
5267       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL4_BUTTONS_GFX_YPOS + gd_yoffset;
5268       gd_y2 = 0;        /* no alternative graphic for these buttons */
5269     }
5270
5271     gi = CreateGadget(GDI_CUSTOM_ID, id,
5272                       GDI_CUSTOM_TYPE_ID, i,
5273                       GDI_INFO_TEXT, control_info[i].text,
5274                       GDI_X, EX + gd_xoffset,
5275                       GDI_Y, EY + gd_yoffset,
5276                       GDI_WIDTH, width,
5277                       GDI_HEIGHT, height,
5278                       GDI_TYPE, button_type,
5279                       GDI_STATE, GD_BUTTON_UNPRESSED,
5280                       GDI_RADIO_NR, radio_button_nr,
5281                       GDI_CHECKED, checked,
5282                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5283                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5284                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5285                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5286                       GDI_EVENT_MASK, event_mask,
5287                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5288                       GDI_CALLBACK_ACTION, HandleControlButtons,
5289                       GDI_END);
5290
5291     if (gi == NULL)
5292       Error(ERR_EXIT, "cannot create gadget");
5293
5294     level_editor_gadget[id] = gi;
5295   }
5296
5297   /* these values are not constant, but can change at runtime */
5298   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5299   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5300   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5301   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5302   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5303   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5304   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5305   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5306   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5307   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5308   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5309   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5310
5311   /* create buttons for scrolling of drawing area and element list */
5312   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5313   {
5314     int id = scrollbutton_info[i].gadget_id;
5315     int graphic = scrollbutton_info[i].graphic;
5316     struct GraphicInfo *gd = &graphic_info[graphic];
5317     int x, y, width, height;
5318     int gd_x1, gd_x2, gd_y1, gd_y2;
5319
5320     x = scrollbutton_pos[i].x;
5321     y = scrollbutton_pos[i].y;
5322
5323     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5324
5325     if (id == GADGET_ID_SCROLL_LIST_UP ||
5326         id == GADGET_ID_SCROLL_LIST_DOWN)
5327     {
5328       x += DX;
5329       y += DY;
5330       width  = gd->width;
5331       height = gd->height;
5332       gd_x1 = gd->src_x;
5333       gd_y1 = gd->src_y;
5334       gd_x2 = gd->src_x + gd->pressed_xoffset;
5335       gd_y2 = gd->src_y + gd->pressed_yoffset;
5336     }
5337     else
5338     {
5339       x += SX;
5340       y += SY;
5341       width  = gd->width;
5342       height = gd->height;
5343       gd_x1 = gd->src_x;
5344       gd_y1 = gd->src_y;
5345       gd_x2 = gd->src_x + gd->pressed_xoffset;
5346       gd_y2 = gd->src_y + gd->pressed_yoffset;
5347     }
5348
5349     gi = CreateGadget(GDI_CUSTOM_ID, id,
5350                       GDI_CUSTOM_TYPE_ID, i,
5351                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5352                       GDI_X, x,
5353                       GDI_Y, y,
5354                       GDI_WIDTH, width,
5355                       GDI_HEIGHT, height,
5356                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5357                       GDI_STATE, GD_BUTTON_UNPRESSED,
5358                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5359                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5360                       GDI_EVENT_MASK, event_mask,
5361                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5362                       GDI_CALLBACK_ACTION, HandleControlButtons,
5363                       GDI_END);
5364
5365     if (gi == NULL)
5366       Error(ERR_EXIT, "cannot create gadget");
5367
5368     level_editor_gadget[id] = gi;
5369   }
5370
5371   /* create buttons for element list */
5372   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5373   {
5374     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_PALETTE_BUTTON];
5375     Bitmap *deco_bitmap;
5376     int deco_x, deco_y, deco_xpos, deco_ypos;
5377     int gd_xoffset, gd_yoffset;
5378     int gd_x1, gd_y1, gd_x2, gd_y2;
5379     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5380     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5381     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5382     int element = editor_elements[i];
5383
5384     event_mask = GD_EVENT_RELEASED;
5385
5386     gd_xoffset = ED_ELEMENTLIST_XPOS + x * gd->width;
5387     gd_yoffset = ED_ELEMENTLIST_YPOS + y * gd->height;
5388
5389     gd_x1 = gd->src_x;
5390     gd_y1 = gd->src_y;
5391     gd_x2 = gd->src_x + gd->pressed_xoffset;
5392     gd_y2 = gd->src_y + gd->pressed_yoffset;
5393
5394     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
5395     deco_xpos = (gd->width  - MINI_TILEX) / 2;
5396     deco_ypos = (gd->height - MINI_TILEY) / 2;
5397
5398     gi = CreateGadget(GDI_CUSTOM_ID, id,
5399                       GDI_CUSTOM_TYPE_ID, i,
5400                       GDI_INFO_TEXT, getElementInfoText(element),
5401                       GDI_X, DX + gd_xoffset,
5402                       GDI_Y, DY + gd_yoffset,
5403                       GDI_WIDTH, gd->width,
5404                       GDI_HEIGHT, gd->height,
5405                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5406                       GDI_STATE, GD_BUTTON_UNPRESSED,
5407                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5408                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5409                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5410                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5411                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
5412                       GDI_DECORATION_SHIFTING, 1, 1,
5413                       GDI_EVENT_MASK, event_mask,
5414                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5415                       GDI_CALLBACK_ACTION, HandleControlButtons,
5416                       GDI_END);
5417
5418     if (gi == NULL)
5419       Error(ERR_EXIT, "cannot create gadget");
5420
5421     level_editor_gadget[id] = gi;
5422   }
5423 }
5424
5425 static void CreateCounterButtons()
5426 {
5427   int max_infotext_len = getMaxInfoTextLength();
5428   int i;
5429
5430   /* these values are not constant, but can change at runtime */
5431   counterbutton_info[ED_COUNTER_ID_SELECT_LEVEL].x = DX + 5 - SX;
5432   counterbutton_info[ED_COUNTER_ID_SELECT_LEVEL].y = DY + 3 - SY;
5433
5434   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5435   {
5436     int j;
5437     int x = SX + counterbutton_info[i].x;       /* down count button */
5438     int y = SY + counterbutton_info[i].y;
5439
5440     /* determine horizontal position to the right of specified gadget */
5441     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5442       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5443            ED_GADGET_TEXT_DISTANCE);
5444
5445     /* determine horizontal offset for leading text */
5446     if (counterbutton_info[i].text_left != NULL)
5447       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5448
5449     for (j = 0; j < 2; j++)
5450     {
5451       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5452       struct GadgetInfo *gi;
5453       int id = (j == 0 ?
5454                 counterbutton_info[i].gadget_id_down :
5455                 counterbutton_info[i].gadget_id_up);
5456       int gd_xoffset;
5457       int gd_x, gd_y, gd_x1, gd_x2, gd_y1, gd_y2;
5458       int x_size, y_size;
5459       unsigned int event_mask;
5460       char infotext[max_infotext_len + 1];
5461
5462       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5463
5464       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5465       {
5466         int graphic = (j == 0 ?
5467                        IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5468                        IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5469         struct GraphicInfo *gd = &graphic_info[graphic];
5470
5471         gd_bitmap = gd->bitmap;
5472
5473         event_mask |= GD_EVENT_RELEASED;
5474
5475         if (j == 1)
5476           x += 2 * ED_GADGET_DISTANCE;
5477         y += ED_GADGET_DISTANCE;
5478
5479         gd_x1 = gd->src_x;
5480         gd_y1 = gd->src_y;
5481         gd_x2 = gd->src_x + gd->pressed_xoffset;
5482         gd_y2 = gd->src_y + gd->pressed_yoffset;
5483         x_size = gd->width;
5484         y_size = gd->height;
5485       }
5486       else
5487       {
5488         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5489         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5490         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5491         gd_y1 = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5492         gd_y2 = gd_y1;
5493         x_size = ED_BUTTON_COUNT_XSIZE;
5494         y_size = ED_BUTTON_COUNT_YSIZE;
5495       }
5496
5497       sprintf(infotext, "%s counter value by 1, 5 or 10",
5498               (j == 0 ? "decrease" : "increase"));
5499
5500       gi = CreateGadget(GDI_CUSTOM_ID, id,
5501                         GDI_CUSTOM_TYPE_ID, i,
5502                         GDI_INFO_TEXT, infotext,
5503                         GDI_X, x,
5504                         GDI_Y, y,
5505                         GDI_WIDTH, x_size,
5506                         GDI_HEIGHT, y_size,
5507                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5508                         GDI_STATE, GD_BUTTON_UNPRESSED,
5509                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5510                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5511                         GDI_EVENT_MASK, event_mask,
5512                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5513                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5514                         GDI_END);
5515
5516       if (gi == NULL)
5517         Error(ERR_EXIT, "cannot create gadget");
5518
5519       level_editor_gadget[id] = gi;
5520       right_gadget_border[id] =
5521         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5522
5523       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5524
5525       if (j == 0)
5526       {
5527         int font_type = FONT_INPUT_1;
5528         int font_type_active = FONT_INPUT_1_ACTIVE;
5529         int gd_width = ED_WIN_COUNT_XSIZE;
5530
5531         id = counterbutton_info[i].gadget_id_text;
5532         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5533
5534         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5535         {
5536           font_type = FONT_LEVEL_NUMBER;
5537           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5538           x += 2 * ED_GADGET_DISTANCE;
5539           y -= ED_GADGET_DISTANCE;
5540
5541           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
5542           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
5543           gd_width = ED_WIN_COUNT2_XSIZE;
5544         }
5545         else
5546         {
5547           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5548           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5549         }
5550
5551         gi = CreateGadget(GDI_CUSTOM_ID, id,
5552                           GDI_CUSTOM_TYPE_ID, i,
5553                           GDI_INFO_TEXT, "enter counter value",
5554                           GDI_X, x,
5555                           GDI_Y, y,
5556                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5557                           GDI_NUMBER_VALUE, 0,
5558                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5559                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5560                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5561                           GDI_TEXT_FONT, font_type,
5562                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5563                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5564                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5565                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5566                           GDI_DESIGN_WIDTH, gd_width,
5567                           GDI_EVENT_MASK, event_mask,
5568                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5569                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5570                           GDI_END);
5571
5572         if (gi == NULL)
5573           Error(ERR_EXIT, "cannot create gadget");
5574
5575         level_editor_gadget[id] = gi;
5576         right_gadget_border[id] =
5577           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5578
5579         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5580       }
5581     }
5582   }
5583 }
5584
5585 static void CreateDrawingAreas()
5586 {
5587   int i;
5588
5589   /* these values are not constant, but can change at runtime */
5590   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5591   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5592
5593   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5594   {
5595     struct GadgetInfo *gi;
5596     unsigned int event_mask;
5597     int id = drawingarea_info[i].gadget_id;
5598     int x = SX + drawingarea_info[i].x;
5599     int y = SY + drawingarea_info[i].y;
5600     int area_xsize = drawingarea_info[i].area_xsize;
5601     int area_ysize = drawingarea_info[i].area_ysize;
5602
5603     event_mask =
5604       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5605       GD_EVENT_OFF_BORDERS;
5606
5607     /* determine horizontal position to the right of specified gadget */
5608     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5609       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5610            ED_DRAWINGAREA_TEXT_DISTANCE);
5611
5612     /* determine horizontal offset for leading text */
5613     if (drawingarea_info[i].text_left != NULL)
5614       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5615
5616     gi = CreateGadget(GDI_CUSTOM_ID, id,
5617                       GDI_CUSTOM_TYPE_ID, i,
5618                       GDI_X, x,
5619                       GDI_Y, y,
5620                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5621                       GDI_AREA_SIZE, area_xsize, area_ysize,
5622                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5623                       GDI_EVENT_MASK, event_mask,
5624                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5625                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5626                       GDI_END);
5627
5628     if (gi == NULL)
5629       Error(ERR_EXIT, "cannot create gadget");
5630
5631     level_editor_gadget[id] = gi;
5632     right_gadget_border[id] =
5633       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5634   }
5635 }
5636
5637 static void CreateTextInputGadgets()
5638 {
5639   int max_infotext_len = getMaxInfoTextLength();
5640   int i;
5641
5642   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5643   {
5644     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5645     int gd_x, gd_y;
5646     struct GadgetInfo *gi;
5647     unsigned int event_mask;
5648     char infotext[MAX_OUTPUT_LINESIZE + 1];
5649     int id = textinput_info[i].gadget_id;
5650
5651     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5652
5653     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5654     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5655
5656     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5657     infotext[max_infotext_len] = '\0';
5658
5659     gi = CreateGadget(GDI_CUSTOM_ID, id,
5660                       GDI_CUSTOM_TYPE_ID, i,
5661                       GDI_INFO_TEXT, infotext,
5662                       GDI_X, SX + textinput_info[i].x,
5663                       GDI_Y, SY + textinput_info[i].y,
5664                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5665                       GDI_TEXT_VALUE, textinput_info[i].value,
5666                       GDI_TEXT_SIZE, textinput_info[i].size,
5667                       GDI_TEXT_FONT, FONT_INPUT_1,
5668                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5669                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5670                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5671                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5672                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5673                       GDI_EVENT_MASK, event_mask,
5674                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5675                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5676                       GDI_END);
5677
5678     if (gi == NULL)
5679       Error(ERR_EXIT, "cannot create gadget");
5680
5681     level_editor_gadget[id] = gi;
5682   }
5683 }
5684
5685 static void CreateTextAreaGadgets()
5686 {
5687   int max_infotext_len = getMaxInfoTextLength();
5688   int i;
5689
5690   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5691   {
5692     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5693     int gd_x, gd_y;
5694     struct GadgetInfo *gi;
5695     unsigned int event_mask;
5696     char infotext[MAX_OUTPUT_LINESIZE + 1];
5697     int id = textarea_info[i].gadget_id;
5698     int area_xsize = textarea_info[i].xsize;
5699     int area_ysize = textarea_info[i].ysize;
5700
5701     event_mask = GD_EVENT_TEXT_LEAVING;
5702
5703     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5704     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5705
5706     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5707     infotext[max_infotext_len] = '\0';
5708
5709     gi = CreateGadget(GDI_CUSTOM_ID, id,
5710                       GDI_CUSTOM_TYPE_ID, i,
5711                       GDI_INFO_TEXT, infotext,
5712                       GDI_X, SX + textarea_info[i].x,
5713                       GDI_Y, SY + textarea_info[i].y,
5714                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5715                       GDI_AREA_SIZE, area_xsize, area_ysize,
5716                       GDI_TEXT_FONT, FONT_INPUT_1,
5717                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5718                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5719                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5720                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5721                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5722                       GDI_EVENT_MASK, event_mask,
5723                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5724                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5725                       GDI_END);
5726
5727     if (gi == NULL)
5728       Error(ERR_EXIT, "cannot create gadget");
5729
5730     level_editor_gadget[id] = gi;
5731   }
5732 }
5733
5734 static void CreateSelectboxGadgets()
5735 {
5736   int max_infotext_len = getMaxInfoTextLength();
5737   int i, j;
5738
5739   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5740   {
5741     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5742     int gd_x, gd_y;
5743     struct GadgetInfo *gi;
5744     unsigned int event_mask;
5745     char infotext[MAX_OUTPUT_LINESIZE + 1];
5746     int id = selectbox_info[i].gadget_id;
5747     int x = SX + selectbox_info[i].x;
5748     int y = SY + selectbox_info[i].y;
5749
5750     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5751     {
5752       /* (we cannot use -1 for uninitialized values if we directly compare
5753          with results from strlen(), because the '<' and '>' operation will
5754          implicitely cast -1 to an unsigned integer value!) */
5755       selectbox_info[i].size = 0;
5756
5757       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5758         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5759           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5760
5761       selectbox_info[i].size++;         /* add one character empty space */
5762     }
5763
5764     event_mask = GD_EVENT_RELEASED |
5765       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5766
5767     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5768     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5769
5770     /* determine horizontal position to the right of specified gadget */
5771     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5772       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5773            ED_GADGET_TEXT_DISTANCE);
5774
5775     /* determine horizontal offset for leading text */
5776     if (selectbox_info[i].text_left != NULL)
5777       x += getTextWidthForGadget(selectbox_info[i].text_left);
5778
5779     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5780     infotext[max_infotext_len] = '\0';
5781
5782     gi = CreateGadget(GDI_CUSTOM_ID, id,
5783                       GDI_CUSTOM_TYPE_ID, i,
5784                       GDI_INFO_TEXT, infotext,
5785                       GDI_X, x,
5786                       GDI_Y, y,
5787                       GDI_TYPE, GD_TYPE_SELECTBOX,
5788                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5789                       GDI_TEXT_SIZE, selectbox_info[i].size,
5790                       GDI_TEXT_FONT, FONT_INPUT_1,
5791                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5792                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5793                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5794                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5795                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5796                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5797                       GDI_EVENT_MASK, event_mask,
5798                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5799                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5800                       GDI_END);
5801
5802     if (gi == NULL)
5803       Error(ERR_EXIT, "cannot create gadget");
5804
5805     level_editor_gadget[id] = gi;
5806     right_gadget_border[id] =
5807       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5808   }
5809 }
5810
5811 static void CreateTextbuttonGadgets()
5812 {
5813   int max_infotext_len = getMaxInfoTextLength();
5814   int i;
5815
5816   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5817   {
5818     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5819     int gd_x1, gd_x2, gd_y1, gd_y2;
5820     struct GadgetInfo *gi;
5821     unsigned int event_mask;
5822     char infotext[MAX_OUTPUT_LINESIZE + 1];
5823     int id = textbutton_info[i].gadget_id;
5824     int x = SX + textbutton_info[i].x;
5825     int y = SY + textbutton_info[i].y;
5826
5827     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5828       textbutton_info[i].size = strlen(textbutton_info[i].text);
5829
5830     event_mask = GD_EVENT_RELEASED;
5831
5832     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5833         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5834     {
5835       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5836       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5837       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5838       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5839     }
5840     else
5841     {
5842       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5843       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5844       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5845       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5846     }
5847
5848     sprintf(infotext, "%s", textbutton_info[i].infotext);
5849     infotext[max_infotext_len] = '\0';
5850
5851     /* determine horizontal position to the right of specified gadget */
5852     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5853       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5854            ED_GADGET_TEXT_DISTANCE);
5855
5856     /* determine horizontal offset for leading text */
5857     if (textbutton_info[i].text_left != NULL)
5858       x += getTextWidthForGadget(textbutton_info[i].text_left);
5859
5860     gi = CreateGadget(GDI_CUSTOM_ID, id,
5861                       GDI_CUSTOM_TYPE_ID, i,
5862                       GDI_INFO_TEXT, infotext,
5863                       GDI_X, x,
5864                       GDI_Y, y,
5865                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5866                       GDI_TEXT_VALUE, textbutton_info[i].text,
5867                       GDI_TEXT_SIZE, textbutton_info[i].size,
5868                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5869                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5870                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5871                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5872                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5873                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5874                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5875                       GDI_DECORATION_SHIFTING, 1, 1,
5876                       GDI_EVENT_MASK, event_mask,
5877                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5878                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5879                       GDI_END);
5880
5881     if (gi == NULL)
5882       Error(ERR_EXIT, "cannot create gadget");
5883
5884     level_editor_gadget[id] = gi;
5885     right_gadget_border[id] =
5886       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5887   }
5888 }
5889
5890 static void CreateGraphicbuttonGadgets()
5891 {
5892   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5893   struct GadgetInfo *gi;
5894   unsigned int event_mask;
5895   int i;
5896
5897   /* create buttons for scrolling of drawing area and element list */
5898   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5899   {
5900     int id = graphicbutton_info[i].gadget_id;
5901     int gd_x1, gd_x2, gd_y1, gd_y2;
5902     int x = SX + graphicbutton_info[i].x;
5903     int y = SY + graphicbutton_info[i].y;
5904
5905     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5906
5907     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5908     {
5909       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5910       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5911       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5912       gd_y2 = gd_y1;
5913     }
5914     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5915     {
5916       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5917       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5918       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5919       gd_y2 = gd_y1;
5920     }
5921
5922     /* determine horizontal position to the right of specified gadget */
5923     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5924       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5925            ED_GADGET_TEXT_DISTANCE);
5926
5927     /* determine horizontal offset for leading text */
5928     if (graphicbutton_info[i].text_left != NULL)
5929       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5930
5931     gi = CreateGadget(GDI_CUSTOM_ID, id,
5932                       GDI_CUSTOM_TYPE_ID, i,
5933                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5934                       GDI_X, x,
5935                       GDI_Y, y,
5936                       GDI_WIDTH, graphicbutton_info[i].width,
5937                       GDI_HEIGHT, graphicbutton_info[i].height,
5938                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5939                       GDI_STATE, GD_BUTTON_UNPRESSED,
5940                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5941                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5942                       GDI_EVENT_MASK, event_mask,
5943                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5944                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
5945                       GDI_END);
5946
5947     if (gi == NULL)
5948       Error(ERR_EXIT, "cannot create gadget");
5949
5950     level_editor_gadget[id] = gi;
5951     right_gadget_border[id] =
5952       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
5953   }
5954 }
5955
5956 static void CreateScrollbarGadgets()
5957 {
5958   int i;
5959
5960   /* these values are not constant, but can change at runtime */
5961   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
5962     SX + ED_SCROLL_HORIZONTAL_XPOS;
5963   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
5964     SY + ED_SCROLL_HORIZONTAL_YPOS;
5965   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
5966     ED_SCROLL_HORIZONTAL_XSIZE;
5967   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
5968     ED_SCROLL_HORIZONTAL_YSIZE;
5969   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
5970   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
5971   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
5972   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
5973
5974   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
5975     SX + ED_SCROLL_VERTICAL_XPOS;
5976   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
5977     SY + ED_SCROLL_VERTICAL_YPOS;
5978   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
5979     ED_SCROLL_VERTICAL_XSIZE;
5980   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
5981     ED_SCROLL_VERTICAL_YSIZE;
5982   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
5983   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
5984   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
5985   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
5986
5987   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
5988     DX + ED_SCROLL2_VERTICAL_XPOS;
5989   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
5990     DY + ED_SCROLL2_VERTICAL_YPOS;
5991   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
5992     ED_SCROLL2_VERTICAL_XSIZE;
5993   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
5994     ED_SCROLL2_VERTICAL_YSIZE;
5995   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
5996   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
5997   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
5998   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
5999
6000   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6001   {
6002     int id = scrollbar_info[i].gadget_id;
6003     int graphic = scrollbar_info[i].graphic;
6004     struct GraphicInfo *gd = &graphic_info[graphic];
6005     Bitmap *gd_bitmap = gd->bitmap;
6006     int gd_x1, gd_x2, gd_y1, gd_y2;
6007     struct GadgetInfo *gi;
6008     int items_max, items_visible, item_position;
6009     unsigned int event_mask;
6010
6011     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6012     {
6013       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6014       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6015       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6016     }
6017     else        /* drawing area scrollbars */
6018     {
6019       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6020       {
6021         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6022         items_visible = ed_fieldx;
6023         item_position = 0;
6024       }
6025       else
6026       {
6027         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6028         items_visible = ed_fieldy;
6029         item_position = 0;
6030       }
6031     }
6032
6033     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6034
6035     gd_x1 = gd->src_x;
6036     gd_y1 = gd->src_y;
6037     gd_x2 = gd->src_x + gd->pressed_xoffset;
6038     gd_y2 = gd->src_y + gd->pressed_yoffset;
6039
6040     gi = CreateGadget(GDI_CUSTOM_ID, id,
6041                       GDI_CUSTOM_TYPE_ID, i,
6042                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6043                       GDI_X, scrollbar_pos[i].x,
6044                       GDI_Y, scrollbar_pos[i].y,
6045                       GDI_WIDTH, scrollbar_pos[i].width,
6046                       GDI_HEIGHT, scrollbar_pos[i].height,
6047                       GDI_TYPE, scrollbar_info[i].type,
6048                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6049                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6050                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6051                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6052                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6053                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6054                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6055                       GDI_STATE, GD_BUTTON_UNPRESSED,
6056                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6057                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6058                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6059                       GDI_EVENT_MASK, event_mask,
6060                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6061                       GDI_CALLBACK_ACTION, HandleControlButtons,
6062                       GDI_END);
6063
6064     if (gi == NULL)
6065       Error(ERR_EXIT, "cannot create gadget");
6066
6067     level_editor_gadget[id] = gi;
6068   }
6069 }
6070
6071 static void CreateCheckbuttonGadgets()
6072 {
6073   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6074   struct GadgetInfo *gi;
6075   unsigned int event_mask;
6076   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6077   int i;
6078
6079   event_mask = GD_EVENT_PRESSED;
6080
6081   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6082   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6083   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6084   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6085   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6086
6087   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6088   {
6089     int id = checkbutton_info[i].gadget_id;
6090     int x = SX + checkbutton_info[i].x;
6091     int y = SY + checkbutton_info[i].y;
6092
6093     if (id == GADGET_ID_STICK_ELEMENT)
6094       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6095     else
6096       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6097
6098     /* determine horizontal position to the right of specified gadget */
6099     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6100       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6101            ED_GADGET_TEXT_DISTANCE);
6102
6103     /* determine horizontal offset for leading text */
6104     if (checkbutton_info[i].text_left != NULL)
6105       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6106
6107     gi = CreateGadget(GDI_CUSTOM_ID, id,
6108                       GDI_CUSTOM_TYPE_ID, i,
6109                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6110                       GDI_X, x,
6111                       GDI_Y, y,
6112                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6113                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6114                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6115                       GDI_CHECKED, *checkbutton_info[i].value,
6116                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6117                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6118                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6119                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6120                       GDI_EVENT_MASK, event_mask,
6121                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6122                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6123                       GDI_END);
6124
6125     if (gi == NULL)
6126       Error(ERR_EXIT, "cannot create gadget");
6127
6128     level_editor_gadget[id] = gi;
6129     right_gadget_border[id] =
6130       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6131   }
6132 }
6133
6134 static void CreateRadiobuttonGadgets()
6135 {
6136   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6137   struct GadgetInfo *gi;
6138   unsigned int event_mask;
6139   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6140   int i;
6141
6142   event_mask = GD_EVENT_PRESSED;
6143
6144   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6145   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6146   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6147   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6148   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6149
6150   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6151   {
6152     int id = radiobutton_info[i].gadget_id;
6153     int x = SX + radiobutton_info[i].x;
6154     int y = SY + radiobutton_info[i].y;
6155
6156     int checked =
6157       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6158
6159     /* determine horizontal position to the right of specified gadget */
6160     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6161       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6162            ED_GADGET_TEXT_DISTANCE);
6163
6164     /* determine horizontal offset for leading text */
6165     if (radiobutton_info[i].text_left != NULL)
6166       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6167
6168     gi = CreateGadget(GDI_CUSTOM_ID, id,
6169                       GDI_CUSTOM_TYPE_ID, i,
6170                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6171                       GDI_X, x,
6172                       GDI_Y, y,
6173                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6174                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6175                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6176                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6177                       GDI_CHECKED, checked,
6178                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6179                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6180                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6181                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6182                       GDI_EVENT_MASK, event_mask,
6183                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6184                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6185                       GDI_END);
6186
6187     if (gi == NULL)
6188       Error(ERR_EXIT, "cannot create gadget");
6189
6190     level_editor_gadget[id] = gi;
6191     right_gadget_border[id] =
6192       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6193   }
6194 }
6195
6196 void CreateLevelEditorGadgets()
6197 {
6198   int old_game_status = game_status;
6199
6200   /* setting 'game_status' is needed to get the right fonts for the editor */
6201   game_status = GAME_MODE_EDITOR;
6202
6203   /* these values are not constant, but can change at runtime */
6204   ed_fieldx = MAX_ED_FIELDX - 1;
6205   ed_fieldy = MAX_ED_FIELDY - 1;
6206
6207   num_editor_gadgets = NUM_EDITOR_GADGETS;
6208
6209   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6210
6211   level_editor_gadget =
6212     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6213   right_gadget_border =
6214     checked_calloc(num_editor_gadgets * sizeof(int));
6215
6216   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6217   editor_el_empty_ptr = editor_el_empty;
6218
6219   ReinitializeElementList();
6220
6221   CreateControlButtons();
6222   CreateScrollbarGadgets();
6223
6224   /* order of function calls is important because of cross-references */
6225   CreateCheckbuttonGadgets();
6226   CreateCounterButtons();
6227   CreateRadiobuttonGadgets();
6228   CreateTextInputGadgets();
6229   CreateTextAreaGadgets();
6230   CreateSelectboxGadgets();
6231   CreateGraphicbuttonGadgets();
6232   CreateTextbuttonGadgets();
6233   CreateDrawingAreas();
6234
6235   game_status = old_game_status;
6236 }
6237
6238 void FreeLevelEditorGadgets()
6239 {
6240   int i;
6241
6242   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6243
6244   for (i = 0; i < num_editor_gadgets; i++)
6245   {
6246     FreeGadget(level_editor_gadget[i]);
6247
6248     level_editor_gadget[i] = NULL;
6249   }
6250
6251   checked_free(level_editor_gadget);
6252   checked_free(right_gadget_border);
6253
6254   checked_free(editor_el_empty);
6255 }
6256
6257 static void MapCounterButtons(int id)
6258 {
6259   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6260   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6261   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6262   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6263   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6264   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6265   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6266   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6267   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6268   int yoffset = ED_BORDER_SIZE;
6269   int x_left = gi_down->x - xoffset_left;
6270   int x_right;  /* set after gadget position was modified */
6271   int y_above = gi_down->y - yoffset_above;
6272   int x = gi_down->x;
6273   int y;        /* set after gadget position was modified */
6274
6275   /* counter limits must be changed first to prevent value truncation */
6276   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6277                             counterbutton_info[id].max_value);
6278
6279   /* right text position might have changed after setting position above */
6280   x_right = gi_up->x + gi_up->width + xoffset_right;
6281
6282   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6283
6284   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6285   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6286       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6287   {
6288     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6289     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6290     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6291   }
6292
6293   /* vertical position might have changed after setting position above */
6294   y = gi_up->y + yoffset;
6295
6296   if (counterbutton_info[id].text_above)
6297     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6298
6299   if (counterbutton_info[id].text_left)
6300     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6301
6302   if (counterbutton_info[id].text_right)
6303     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6304
6305   MapGadget(gi_down);
6306   MapGadget(gi_text);
6307   MapGadget(gi_up);
6308 }
6309
6310 static void MapControlButtons()
6311 {
6312   int counter_id;
6313   int i;
6314
6315   /* map toolbox buttons (excluding special CE toolbox buttons) */
6316   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6317     MapGadget(level_editor_gadget[i]);
6318
6319   /* map buttons to select elements */
6320   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6321     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6322   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6323   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6324   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6325
6326   /* map buttons to select level */
6327   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6328   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6329   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6330   MapCounterButtons(counter_id);
6331 }
6332
6333 static void MapDrawingArea(int id)
6334 {
6335   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6336   int area_xsize = gi->drawing.area_xsize;
6337   int area_ysize = gi->drawing.area_ysize;
6338   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6339   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6340   int x_left  = gi->x - xoffset_left;
6341   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6342   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6343   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6344   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6345
6346   if (drawingarea_info[id].text_left)
6347     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6348
6349   if (drawingarea_info[id].text_right)
6350     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6351
6352   if (drawingarea_info[id].text_below)
6353     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6354
6355   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6356   {
6357     DrawElementBorder(gi->x, gi->y,
6358                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6359
6360     DrawDrawingArea(id);
6361   }
6362
6363   MapGadget(gi);
6364 }
6365
6366 static void MapTextInputGadget(int id)
6367 {
6368   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6369   int xoffset_above = 0;
6370   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6371   int x_above = textinput_info[id].x + xoffset_above;
6372   int y_above = textinput_info[id].y + yoffset_above;
6373
6374   if (textinput_info[id].text_above)
6375     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6376
6377   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6378
6379   MapGadget(gi);
6380 }
6381
6382 static void MapTextAreaGadget(int id)
6383 {
6384   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6385   int xoffset_above = 0;
6386   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6387   int x_above = textarea_info[id].x + xoffset_above;
6388   int y_above = textarea_info[id].y + yoffset_above;
6389
6390   if (textarea_info[id].text_above)
6391     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6392
6393   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6394
6395   MapGadget(gi);
6396 }
6397
6398 static void MapSelectboxGadget(int id)
6399 {
6400   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6401   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6402   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6403   int yoffset = ED_BORDER_SIZE;
6404   int x_left = gi->x - xoffset_left;
6405   int x_right = gi->x + gi->width + xoffset_right;
6406   int y = gi->y + yoffset;
6407
6408   if (selectbox_info[id].text_left)
6409     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6410
6411   if (selectbox_info[id].text_right)
6412     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6413
6414   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6415
6416   MapGadget(gi);
6417 }
6418
6419 static void MapTextbuttonGadget(int id)
6420 {
6421   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6422   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6423   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6424   int yoffset = ED_BORDER_SIZE;
6425   int x_left = gi->x - xoffset_left;
6426   int x_right = gi->x + gi->width + xoffset_right;
6427   int y = gi->y + yoffset;
6428
6429   /* only show button to delete change pages when more than minimum pages */
6430   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6431       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6432     return;
6433
6434   if (textbutton_info[id].text_left)
6435     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6436
6437   if (textbutton_info[id].text_right)
6438     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6439
6440   MapGadget(gi);
6441 }
6442
6443 static void MapGraphicbuttonGadget(int id)
6444 {
6445   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6446   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6447   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6448   int yoffset = ED_BORDER_SIZE;
6449   int x_left = gi->x - xoffset_left;
6450   int x_right = gi->x + gi->width + xoffset_right;
6451   int y = gi->y + yoffset;
6452
6453   if (graphicbutton_info[id].text_left)
6454     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6455
6456   if (graphicbutton_info[id].text_right)
6457     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6458
6459   MapGadget(gi);
6460 }
6461
6462 static void MapRadiobuttonGadget(int id)
6463 {
6464   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6465   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6466   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6467   int yoffset = ED_BORDER_SIZE;
6468   int x_left = gi->x - xoffset_left;
6469   int x_right = gi->x + gi->width + xoffset_right;
6470   int y = gi->y + yoffset;
6471   boolean checked =
6472     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6473
6474   if (radiobutton_info[id].text_left)
6475     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6476
6477   if (radiobutton_info[id].text_right)
6478     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6479
6480   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6481
6482   MapGadget(gi);
6483 }
6484
6485 static void MapCheckbuttonGadget(int id)
6486 {
6487   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6488   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6489   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6490   int yoffset = ED_BORDER_SIZE;
6491   int x_left, x_right, y;       /* set after gadget position was modified */
6492
6493   /* set position for gadgets with dynamically determined position */
6494   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6495     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6496   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6497
6498   x_left = gi->x - xoffset_left;
6499   x_right = gi->x + gi->width + xoffset_right;
6500   y = gi->y + yoffset;
6501
6502   if (checkbutton_info[id].text_left)
6503     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6504
6505   if (checkbutton_info[id].text_right)
6506     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6507
6508   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6509
6510   MapGadget(gi);
6511 }
6512
6513 static void MapMainDrawingArea()
6514 {
6515   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6516   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6517   int i;
6518
6519   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6520   {
6521     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6522           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6523          no_horizontal_scrollbar) ||
6524         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6525           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6526          no_vertical_scrollbar))
6527       continue;
6528
6529     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6530   }
6531
6532   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6533   {
6534     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6535         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6536       continue;
6537
6538     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6539   }
6540
6541   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6542 }
6543
6544 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6545 {
6546   int i;
6547
6548   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6549   {
6550     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6551         i == GADGET_ID_CUSTOM_COPY_TO ||
6552         i == GADGET_ID_CUSTOM_EXCHANGE ||
6553         i == GADGET_ID_CUSTOM_COPY ||
6554         i == GADGET_ID_CUSTOM_PASTE)
6555     {
6556       if (map)
6557         MapGadget(level_editor_gadget[i]);
6558       else
6559         UnmapGadget(level_editor_gadget[i]);
6560     }
6561   }
6562 }
6563
6564 static void MapLevelEditorToolboxCustomGadgets()
6565 {
6566   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6567 }
6568
6569 static void UnmapLevelEditorToolboxCustomGadgets()
6570 {
6571   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6572 }
6573
6574 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6575 {
6576   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6577   int i;
6578
6579   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6580   {
6581     if (i != GADGET_ID_SINGLE_ITEMS &&
6582         i != GADGET_ID_PROPERTIES &&
6583         i != GADGET_ID_PICK_ELEMENT)
6584     {
6585       struct GadgetInfo *gi = level_editor_gadget[i];
6586
6587       if (map)
6588         MapGadget(gi);
6589       else
6590       {
6591         UnmapGadget(gi);
6592
6593         BlitBitmap(gd_bitmap, drawto,
6594                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6595                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6596                    gi->width, gi->height, gi->x, gi->y);
6597
6598         redraw_mask |= REDRAW_DOOR_3;
6599       }
6600     }
6601   }
6602 }
6603
6604 static void MapLevelEditorToolboxDrawingGadgets()
6605 {
6606   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6607 }
6608
6609 static void UnmapLevelEditorToolboxDrawingGadgets()
6610 {
6611   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6612 }
6613
6614 static void UnmapDrawingArea(int id)
6615 {
6616   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6617 }
6618
6619 static void UnmapLevelEditorFieldGadgets()
6620 {
6621   int i;
6622
6623   for (i = 0; i < num_editor_gadgets; i++)
6624     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6625                           level_editor_gadget[i]->y))
6626       UnmapGadget(level_editor_gadget[i]);
6627 }
6628
6629 void UnmapLevelEditorGadgets()
6630 {
6631   int i;
6632
6633   for (i = 0; i < num_editor_gadgets; i++)
6634     UnmapGadget(level_editor_gadget[i]);
6635 }
6636
6637 static void ResetUndoBuffer()
6638 {
6639   undo_buffer_position = -1;
6640   undo_buffer_steps = -1;
6641   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6642
6643   level.changed = FALSE;
6644 }
6645
6646 static void DrawEditModeWindow()
6647 {
6648   ModifyEditorElementList();
6649   RedrawDrawingElements();
6650
6651   if (edit_mode == ED_MODE_INFO)
6652     DrawLevelInfoWindow();
6653   else if (edit_mode == ED_MODE_PROPERTIES)
6654     DrawPropertiesWindow();
6655   else  /* edit_mode == ED_MODE_DRAWING */
6656     DrawDrawingWindow();
6657 }
6658
6659 static boolean LevelChanged()
6660 {
6661   boolean field_changed = FALSE;
6662   int x, y;
6663
6664   for (y = 0; y < lev_fieldy; y++)
6665     for (x = 0; x < lev_fieldx; x++)
6666       if (Feld[x][y] != level.field[x][y])
6667         field_changed = TRUE;
6668
6669   return (level.changed || field_changed);
6670 }
6671
6672 static boolean PrepareSavingIntoPersonalLevelSet()
6673 {
6674   static LevelDirTree *last_copied_leveldir = NULL;
6675   static LevelDirTree *last_written_leveldir = NULL;
6676   static int last_copied_level_nr = -1;
6677   static int last_written_level_nr = -1;
6678   LevelDirTree *leveldir_former = leveldir_current;
6679   int level_nr_former = level_nr;
6680   int new_level_nr;
6681
6682   // remember last mod/save so that for current session, we write
6683   // back to the same personal copy, asking only about overwrite.
6684   if (leveldir_current == last_copied_leveldir &&
6685       level_nr == last_copied_level_nr)
6686   {
6687     // "cd" to personal level set dir (as used when writing last copy)
6688     leveldir_current = last_written_leveldir;
6689     level_nr = last_written_level_nr;
6690
6691     return TRUE;
6692   }
6693
6694   if (!Request("This level is read only! "
6695                "Save into personal level set?", REQ_ASK))
6696     return FALSE;
6697
6698   // "cd" to personal level set dir (for writing copy the first time)
6699   leveldir_current =
6700     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6701
6702   // find unused level number
6703   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6704   {
6705     static char *level_filename = NULL;
6706
6707     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6708
6709     if (!fileExists(level_filename))
6710       break;
6711   }
6712
6713   last_copied_leveldir = leveldir_former;
6714   last_copied_level_nr = level_nr_former;
6715
6716   last_written_leveldir = leveldir_current;
6717   last_written_level_nr = level_nr = new_level_nr;
6718
6719   return TRUE;
6720 }
6721
6722 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6723 {
6724   static char *filename_levelinfo = NULL, *mod_name = NULL;
6725   FILE *file;
6726
6727   // annotate this copy-and-mod in personal levelinfo.conf
6728   setString(&filename_levelinfo,
6729             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6730
6731   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6732   {
6733     fprintf(file, "\n");
6734     fprintf(file, "# level %d was modified from:\n", level_nr);
6735     fprintf(file, "# - previous level set name:    %s\n",
6736             former_name);
6737     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6738             level.file_info.nr, level.name);
6739     fprintf(file, "# - previous author:            %s\n",
6740             level.author);
6741     fprintf(file, "# - previous save date:         ");
6742
6743     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6744     {
6745       fprintf(file, "%04d-%02d-%02d\n",
6746               level.creation_date.year,
6747               level.creation_date.month,
6748               level.creation_date.day);
6749     }
6750     else
6751     {
6752       fprintf(file, "not recorded\n");
6753     }
6754
6755     fclose(file);
6756   }
6757
6758   if (level_nr > leveldir_current->last_level)
6759   {
6760     static char *temp_levelinfo = NULL;
6761     FILE *temp_file = NULL;
6762     char line[MAX_LINE_LEN];
6763
6764     setString(&temp_levelinfo,
6765               getPath2(getCurrentLevelDir(),
6766                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6767
6768     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6769         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6770     {
6771       while (fgets(line, MAX_LINE_LEN, file))
6772       {
6773         if (!strPrefix(line, "levels:"))
6774           fputs(line, temp_file);
6775         else
6776           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6777       }
6778     }
6779
6780     if (temp_file)
6781       fclose(temp_file);
6782
6783     if (file)
6784       fclose(file);
6785
6786     // needs error handling; also, ok on dos/win?
6787     unlink(filename_levelinfo);
6788     rename(temp_levelinfo, filename_levelinfo);
6789   }
6790
6791   // else: allow the save even if annotation failed
6792
6793   // now... spray graffiti on the old level vital statistics
6794   // user can change these; just trying to set a good baseline
6795
6796   // don't truncate names for fear of making offensive or silly:
6797   // long-named original author only recorded in levelinfo.conf.
6798   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6799   if (!strEqual(level.author, leveldir_current->author))
6800   {
6801     setString(&mod_name, getStringCat3(leveldir_current->author,
6802                                        " after ", level.author));
6803
6804     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6805       setString(&mod_name,
6806                 getStringCat2(leveldir_current->author, " (ed.)"));
6807
6808     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6809       setString(&mod_name, leveldir_current->author);
6810
6811     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6812
6813     // less worried about truncation here
6814     setString(&mod_name, getStringCat2("Mod: ", level.name));
6815     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6816   }
6817 }
6818
6819 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6820                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6821 {
6822   int x, y;
6823
6824   for (x = 0; x < lev_fieldx; x++)
6825     for (y = 0; y < lev_fieldy; y++)
6826       dst[x][y] = src[x][y];
6827 }
6828
6829 static int setSelectboxValue(int selectbox_id, int new_value)
6830 {
6831   int new_index_value = 0;
6832   int i;
6833
6834   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6835     if (selectbox_info[selectbox_id].options[i].value == new_value)
6836       new_index_value = i;
6837
6838   *selectbox_info[selectbox_id].value =
6839     selectbox_info[selectbox_id].options[new_index_value].value;
6840
6841   return new_index_value;
6842 }
6843
6844 static void setSelectboxSpecialActionVariablesIfNeeded()
6845 {
6846   int i;
6847
6848   /* change action mode and arg variables according to action type variable */
6849   for (i = 0; action_arg_options[i].value != -1; i++)
6850   {
6851     if (action_arg_options[i].value == custom_element_change.action_type)
6852     {
6853       int mode = action_arg_options[i].mode;
6854
6855       /* only change if corresponding selectbox has changed */
6856       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6857           action_arg_modes[mode])
6858         custom_element_change.action_mode = -1;
6859
6860       /* only change if corresponding selectbox has changed */
6861       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6862           action_arg_options[i].options)
6863         custom_element_change.action_arg = -1;
6864
6865       break;
6866     }
6867   }
6868 }
6869
6870 static void setSelectboxSpecialActionOptions()
6871 {
6872   int i;
6873
6874   /* change action mode and arg selectbox according to action type selectbox */
6875   for (i = 0; action_arg_options[i].value != -1; i++)
6876   {
6877     if (action_arg_options[i].value == custom_element_change.action_type)
6878     {
6879       int mode = action_arg_options[i].mode;
6880
6881       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6882                                    action_arg_modes[mode]);
6883       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6884                                  custom_element_change.action_mode);
6885
6886       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6887                                    action_arg_options[i].options);
6888       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6889                                  custom_element_change.action_arg);
6890       break;
6891     }
6892   }
6893 }
6894
6895 static void copy_custom_element_settings(int element_from, int element_to)
6896 {
6897   struct ElementInfo *ei_from = &element_info[element_from];
6898   struct ElementInfo *ei_to = &element_info[element_to];
6899
6900   copyElementInfo(ei_from, ei_to);
6901 }
6902
6903 static void replace_custom_element_in_settings(int element_from,
6904                                                int element_to)
6905 {
6906   int i, j, x, y;
6907
6908   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6909   {
6910     struct ElementInfo *ei = &element_info[i];
6911
6912     for (y = 0; y < 3; y++)
6913       for (x = 0; x < 3; x++)
6914         if (ei->content.e[x][y] == element_from)
6915           ei->content.e[x][y] = element_to;
6916
6917     for (j = 0; j < ei->num_change_pages; j++)
6918     {
6919       struct ElementChangeInfo *change = &ei->change_page[j];
6920
6921       if (change->target_element == element_from)
6922         change->target_element = element_to;
6923
6924       if (change->initial_trigger_element == element_from)
6925         change->initial_trigger_element = element_to;
6926
6927       if (change->action_element == element_from)
6928         change->action_element = element_to;
6929
6930       for (y = 0; y < 3; y++)
6931         for (x = 0; x < 3; x++)
6932           if (change->target_content.e[x][y] == element_from)
6933             change->target_content.e[x][y] = element_to;
6934     }
6935
6936     if (ei->group != NULL)                              /* group or internal */
6937       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6938         if (ei->group->element[j] == element_from)
6939           ei->group->element[j] = element_to;
6940   }
6941 }
6942
6943 static void replace_custom_element_in_playfield(int element_from,
6944                                                 int element_to)
6945 {
6946   int x, y;
6947
6948   for (x = 0; x < lev_fieldx; x++)
6949     for (y = 0; y < lev_fieldy; y++)
6950       if (Feld[x][y] == element_from)
6951         Feld[x][y] = element_to;
6952 }
6953
6954 static boolean CopyCustomElement(int element_old, int element_new,
6955                                  int copy_mode)
6956 {
6957   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6958   {
6959     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6960                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6961     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6962   }
6963   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
6964   {
6965     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
6966                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6967     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6968
6969     level.changed = TRUE;
6970   }
6971   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
6972   {
6973     Request("Please choose custom element!", REQ_CONFIRM);
6974
6975     return FALSE;
6976   }
6977   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
6978   {
6979     Request("Please choose group element!", REQ_CONFIRM);
6980
6981     return FALSE;
6982   }
6983   else
6984   {
6985     level.changed = TRUE;
6986   }
6987
6988   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
6989   {
6990     copy_custom_element_settings(element_new, element_old);
6991   }
6992   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
6993   {
6994     copy_custom_element_settings(element_old, element_new);
6995   }
6996   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
6997   {
6998     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
6999     copy_custom_element_settings(element_new, element_old);
7000     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7001
7002     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7003     replace_custom_element_in_settings(element_new, element_old);
7004     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7005
7006     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7007     replace_custom_element_in_playfield(element_new, element_old);
7008     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7009   }
7010
7011   UpdateCustomElementGraphicGadgets();
7012   DrawPropertiesWindow();
7013
7014   return TRUE;
7015 }
7016
7017 static void CopyCustomElementPropertiesToEditor(int element)
7018 {
7019   int i;
7020   int current_change_page = element_info[element].current_change_page;
7021
7022   /* dynamically (re)build selectbox for selecting change page */
7023   for (i = 0; i < element_info[element].num_change_pages; i++)
7024   {
7025     sprintf(options_change_page_strings[i], "%d", i + 1);
7026
7027     options_change_page[i].value = i;
7028     options_change_page[i].text = options_change_page_strings[i];
7029   }
7030
7031   options_change_page[i].value = -1;
7032   options_change_page[i].text = NULL;
7033
7034   /* needed here to initialize combined element properties */
7035   InitElementPropertiesEngine(level.game_version);
7036
7037   element_info[element].change =
7038     &element_info[element].change_page[current_change_page];
7039
7040   custom_element = element_info[element];
7041   custom_element_change = *element_info[element].change;
7042
7043   /* needed to initially set selectbox options for special action options */
7044   setSelectboxSpecialActionOptions();
7045
7046   /* needed to initially set selectbox value variables to reliable defaults */
7047   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7048     setSelectboxValue(i, *selectbox_info[i].value);
7049
7050   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7051     custom_element_properties[i] = HAS_PROPERTY(element, i);
7052
7053   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7054     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7055
7056   /* ---------- element settings: configure (custom elements) ------------- */
7057
7058   /* set accessible layer selectbox help value */
7059   custom_element.access_type =
7060     (IS_WALKABLE(element) ? EP_WALKABLE :
7061      IS_PASSABLE(element) ? EP_PASSABLE :
7062      custom_element.access_type);
7063   custom_element.access_layer =
7064     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7065      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7066      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7067      custom_element.access_layer);
7068   custom_element.access_protected =
7069     (IS_PROTECTED(element) ? 1 : 0);
7070   custom_element_properties[EP_ACCESSIBLE] =
7071     (IS_ACCESSIBLE_OVER(element) ||
7072      IS_ACCESSIBLE_INSIDE(element) ||
7073      IS_ACCESSIBLE_UNDER(element));
7074
7075   /* set walk-to-object action selectbox help value */
7076   custom_element.walk_to_action =
7077     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7078      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7079      IS_DROPPABLE(element) ? EP_DROPPABLE :
7080      IS_THROWABLE(element) ? EP_THROWABLE :
7081      IS_PUSHABLE(element) ? EP_PUSHABLE :
7082      custom_element.walk_to_action);
7083   custom_element_properties[EP_WALK_TO_OBJECT] =
7084     (IS_DIGGABLE(element) ||
7085      IS_COLLECTIBLE_ONLY(element) ||
7086      IS_DROPPABLE(element) ||
7087      IS_THROWABLE(element) ||
7088      IS_PUSHABLE(element));
7089
7090   /* set smash targets selectbox help value */
7091   custom_element.smash_targets =
7092     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7093      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7094      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7095      custom_element.smash_targets);
7096   custom_element_properties[EP_CAN_SMASH] =
7097     (CAN_SMASH_EVERYTHING(element) ||
7098      CAN_SMASH_ENEMIES(element) ||
7099      CAN_SMASH_PLAYER(element));
7100
7101   /* set deadliness selectbox help value */
7102   custom_element.deadliness =
7103     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7104      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7105      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7106      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7107      custom_element.deadliness);
7108   custom_element_properties[EP_DEADLY] =
7109     (DONT_TOUCH(element) ||
7110      DONT_GET_HIT_BY(element) ||
7111      DONT_COLLIDE_WITH(element) ||
7112      DONT_RUN_INTO(element));
7113
7114   /* ---------- element settings: advanced (custom elements) --------------- */
7115
7116   /* set "change by direct action" selectbox help value */
7117   custom_element_change.direct_action =
7118     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7119      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7120      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7121      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7122      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7123      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7124      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7125      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7126      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7127      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7128      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7129      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7130      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7131      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7132      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7133      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7134      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7135      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7136      custom_element_change.direct_action);
7137
7138   /* set "change by other element action" selectbox help value */
7139   custom_element_change.other_action =
7140     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7141      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7142      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7143      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7144      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7145      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7146      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7147      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7148      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7149      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7150      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7151      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7152      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7153      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7154      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7155      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7156      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7157      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7158      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7159      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7160      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7161      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7162      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7163      custom_element_change.other_action);
7164 }
7165
7166 static void CopyGroupElementPropertiesToEditor(int element)
7167 {
7168   group_element_info = *element_info[element].group;
7169   custom_element = element_info[element];       /* needed for description */
7170 }
7171
7172 static void CopyClassicElementPropertiesToEditor(int element)
7173 {
7174   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7175     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7176       getMoveIntoAcidProperty(&level, element);
7177
7178   if (MAYBE_DONT_COLLIDE_WITH(element))
7179     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7180       getDontCollideWithProperty(&level, element);
7181 }
7182
7183 static void CopyElementPropertiesToEditor(int element)
7184 {
7185   if (IS_CUSTOM_ELEMENT(element))
7186     CopyCustomElementPropertiesToEditor(element);
7187   else if (IS_GROUP_ELEMENT(element))
7188     CopyGroupElementPropertiesToEditor(element);
7189   else
7190     CopyClassicElementPropertiesToEditor(element);
7191 }
7192
7193 static void CopyCustomElementPropertiesToGame(int element)
7194 {
7195   int i;
7196   int access_type_and_layer;
7197
7198   /* mark that this custom element has been modified */
7199   custom_element.modified_settings = TRUE;
7200   level.changed = TRUE;
7201
7202   if (level.use_custom_template)
7203   {
7204     if (Request("Copy and modify level template?", REQ_ASK))
7205     {
7206       level.use_custom_template = FALSE;
7207       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7208                    GDI_CHECKED, FALSE, GDI_END);
7209     }
7210     else
7211     {
7212       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7213
7214       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7215     }
7216   }
7217
7218   element_info[element] = custom_element;
7219   *element_info[element].change = custom_element_change;
7220
7221   /* ---------- element settings: configure (custom elements) ------------- */
7222
7223   /* set accessible property from checkbox and selectbox */
7224   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7225   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7226   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7227   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7228   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7229   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7230   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7231                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7232                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7233   custom_element_properties[access_type_and_layer] =
7234     custom_element_properties[EP_ACCESSIBLE];
7235   custom_element_properties[EP_PROTECTED] =
7236     (custom_element.access_protected != 0 &&
7237      custom_element_properties[EP_ACCESSIBLE]);
7238
7239   /* set walk-to-object property from checkbox and selectbox */
7240   custom_element_properties[EP_DIGGABLE] = FALSE;
7241   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7242   custom_element_properties[EP_DROPPABLE] = FALSE;
7243   custom_element_properties[EP_THROWABLE] = FALSE;
7244   custom_element_properties[EP_PUSHABLE] = FALSE;
7245   custom_element_properties[custom_element.walk_to_action] =
7246     custom_element_properties[EP_WALK_TO_OBJECT];
7247
7248   /* set smash property from checkbox and selectbox */
7249   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7250   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7251   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7252   custom_element_properties[custom_element.smash_targets] =
7253     custom_element_properties[EP_CAN_SMASH];
7254
7255   /* set deadliness property from checkbox and selectbox */
7256   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7257   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7258   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7259   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7260   custom_element_properties[custom_element.deadliness] =
7261     custom_element_properties[EP_DEADLY];
7262
7263   /* ---------- element settings: advanced (custom elements) --------------- */
7264
7265   /* set player change event from checkbox and selectbox */
7266   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7267   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7268   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7269   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7270   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7271   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7272   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7273   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7274   custom_element_change_events[CE_SWITCHED] = FALSE;
7275   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7276   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7277   custom_element_change_events[CE_BLOCKED] = FALSE;
7278   custom_element_change_events[CE_IMPACT] = FALSE;
7279   custom_element_change_events[CE_SMASHED] = FALSE;
7280   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7281   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7282   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7283   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7284   custom_element_change_events[custom_element_change.direct_action] =
7285     custom_element_change_events[CE_BY_DIRECT_ACTION];
7286
7287   /* set other element action change event from checkbox and selectbox */
7288   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7289   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7290   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7291   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7292   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7293   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7294   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7295   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7296   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7297   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7298   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7299   custom_element_change_events[CE_HITTING_X] = FALSE;
7300   custom_element_change_events[CE_DIGGING_X] = FALSE;
7301   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7302   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7303   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7304   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7305   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7306   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7307   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7308   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7309   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7310   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7311   custom_element_change_events[custom_element_change.other_action] =
7312     custom_element_change_events[CE_BY_OTHER_ACTION];
7313
7314   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7315     SET_PROPERTY(element, i, custom_element_properties[i]);
7316
7317   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7318     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7319
7320   /* copy change events also to special level editor variable */
7321   custom_element = element_info[element];
7322   custom_element_change = *element_info[element].change;
7323 }
7324
7325 static void CopyGroupElementPropertiesToGame(int element)
7326 {
7327   element_info[element] = custom_element;
7328   *element_info[element].group = group_element_info;
7329
7330   /* mark that this group element has been modified */
7331   element_info[element].modified_settings = TRUE;
7332   level.changed = TRUE;
7333 }
7334
7335 static void CopyClassicElementPropertiesToGame(int element)
7336 {
7337   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7338     setMoveIntoAcidProperty(&level, element,
7339                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7340
7341   if (MAYBE_DONT_COLLIDE_WITH(element))
7342     setDontCollideWithProperty(&level, element,
7343                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7344 }
7345
7346 static void CopyElementPropertiesToGame(int element)
7347 {
7348   if (IS_CUSTOM_ELEMENT(element))
7349     CopyCustomElementPropertiesToGame(element);
7350   else if (IS_GROUP_ELEMENT(element))
7351     CopyGroupElementPropertiesToGame(element);
7352   else
7353     CopyClassicElementPropertiesToGame(element);
7354 }
7355
7356 void CheckElementDescriptions()
7357 {
7358   int i;
7359
7360   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7361     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7362       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7363 }
7364
7365 static boolean playfield_area_changed = FALSE;
7366
7367 void DrawLevelEd()
7368 {
7369   int old_sx = SX;
7370   int old_sy = SY;
7371   int old_sxsize = SXSIZE;
7372   int old_sysize = SYSIZE;
7373
7374   StopAnimation();
7375
7376   CloseDoor(DOOR_CLOSE_ALL);
7377
7378   FadeOut(REDRAW_FIELD);
7379
7380   /* needed after playing if editor playfield area has different size */
7381   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7382
7383   /* needed if different viewport properties defined for editor */
7384   ChangeViewportPropertiesIfNeeded();
7385
7386   if (old_sx != SX ||
7387       old_sy != SY ||
7388       old_sxsize != SXSIZE ||
7389       old_sysize != SYSIZE)
7390     playfield_area_changed = TRUE;
7391   else
7392     playfield_area_changed = FALSE;
7393
7394   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7395
7396 #if DEBUG
7397   CheckElementDescriptions();
7398 #endif
7399
7400   if (level_editor_test_game)
7401   {
7402     CopyPlayfield(level.field, Feld);
7403     CopyPlayfield(FieldBackup, level.field);
7404
7405     level_editor_test_game = FALSE;
7406   }
7407   else
7408   {
7409     edit_mode = ED_MODE_DRAWING;
7410     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7411     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7412
7413     ResetUndoBuffer();
7414
7415     level_xpos = -1;
7416     level_ypos = -1;
7417   }
7418
7419   /* copy default editor door content to main double buffer */
7420   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7421              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7422              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7423              DXSIZE, DYSIZE, DX, DY);
7424
7425   /* draw bigger door */
7426   DrawSpecialEditorDoor();
7427
7428   /* draw new control window */
7429   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7430              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7431
7432   redraw_mask |= REDRAW_ALL;
7433
7434   FreeLevelEditorGadgets();
7435   CreateLevelEditorGadgets();
7436
7437   ReinitializeElementList();            /* update dynamic level element list */
7438   ReinitializeElementListButtons();     /* custom element may look different */
7439
7440   InitElementPropertiesGfxElement();
7441
7442   UnmapAllGadgets();
7443   MapControlButtons();
7444
7445   DrawEditModeWindow();
7446
7447   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7448
7449   /* copy actual editor door content to door double buffer for OpenDoor() */
7450   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7451 }
7452
7453 static void AdjustDrawingAreaGadgets()
7454 {
7455   int ed_xsize = lev_fieldx + 2;
7456   int ed_ysize = lev_fieldy + 2;
7457   int max_ed_fieldx = MAX_ED_FIELDX;
7458   int max_ed_fieldy = MAX_ED_FIELDY;
7459   boolean horizontal_scrollbar_needed;
7460   boolean vertical_scrollbar_needed;
7461   int x, y, width, height;
7462   int xoffset, yoffset;
7463
7464   /* check if we need any scrollbars */
7465   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7466   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7467
7468   /* check if we have a smaller editor field because of scrollbars */
7469   if (horizontal_scrollbar_needed)
7470     max_ed_fieldy = MAX_ED_FIELDY - 1;
7471   if (vertical_scrollbar_needed)
7472     max_ed_fieldx = MAX_ED_FIELDX - 1;
7473
7474   /* check again if we now need more scrollbars because of less space */
7475   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7476   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7477
7478   /* check if editor field gets even smaller after adding new scrollbars */
7479   if (horizontal_scrollbar_needed)
7480     max_ed_fieldy = MAX_ED_FIELDY - 1;
7481   if (vertical_scrollbar_needed)
7482     max_ed_fieldx = MAX_ED_FIELDX - 1;
7483
7484   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7485   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7486
7487   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7488                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7489                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7490                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7491                GDI_END);
7492
7493   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7494   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7495
7496   x = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7497   y = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7498
7499   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7500   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7501
7502   width  = scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7503   height = scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7504
7505   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7506                GDI_WIDTH, width,
7507                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7508                GDI_END);
7509   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7510                GDI_HEIGHT, height,
7511                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7512                GDI_END);
7513 }
7514
7515 static void AdjustLevelScrollPosition()
7516 {
7517   if (level_xpos < -1)
7518     level_xpos = -1;
7519   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7520     level_xpos = lev_fieldx - ed_fieldx + 1;
7521   if (lev_fieldx < ed_fieldx - 2)
7522     level_xpos = -1;
7523
7524   if (level_ypos < -1)
7525     level_ypos = -1;
7526   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7527     level_ypos = lev_fieldy - ed_fieldy + 1;
7528   if (lev_fieldy < ed_fieldy - 2)
7529     level_ypos = -1;
7530 }
7531
7532 static void AdjustEditorScrollbar(int id)
7533 {
7534   struct GadgetInfo *gi = level_editor_gadget[id];
7535   int items_max, items_visible, item_position;
7536
7537   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7538   {
7539     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7540     items_visible = ed_fieldx;
7541     item_position = level_xpos + 1;
7542   }
7543   else
7544   {
7545     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7546     items_visible = ed_fieldy;
7547     item_position = level_ypos + 1;
7548   }
7549
7550   if (item_position > items_max - items_visible)
7551     item_position = items_max - items_visible;
7552
7553   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7554                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7555 }
7556
7557 static void AdjustElementListScrollbar()
7558 {
7559   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7560   int items_max, items_visible, item_position;
7561
7562   /* correct position of element list scrollbar */
7563   if (element_shift < 0)
7564     element_shift = 0;
7565   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7566     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7567
7568   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7569   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7570   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7571
7572   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7573                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7574                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7575 }
7576
7577 static void ModifyEditorCounterValue(int counter_id, int new_value)
7578 {
7579   int *counter_value = counterbutton_info[counter_id].value;
7580   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7581   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7582
7583   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7584
7585   if (counter_value != NULL)
7586     *counter_value = gi->textinput.number_value;
7587 }
7588
7589 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7590 {
7591   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7592   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7593
7594   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7595
7596   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7597       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7598   {
7599     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7600     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7601
7602     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7603     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7604   }
7605 }
7606
7607 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7608 {
7609   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7610   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7611   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7612
7613   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7614 }
7615
7616 static void ModifyEditorSelectboxOptions(int selectbox_id,
7617                                          struct ValueTextInfo *options)
7618 {
7619   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7620   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7621
7622   selectbox_info[selectbox_id].options = options;
7623
7624   /* set index to zero -- list may be shorter now (correct later, if needed) */
7625   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7626                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7627 }
7628
7629 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7630 {
7631   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7632   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7633
7634   drawingarea_info[drawingarea_id].area_xsize = xsize;
7635   drawingarea_info[drawingarea_id].area_ysize = ysize;
7636
7637   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7638 }
7639
7640 static void ModifyEditorElementList()
7641 {
7642   int i;
7643
7644   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7645   {
7646     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7647     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7648     struct GadgetDesign *gd = &gi->deco.design;
7649     int element = editor_elements[element_shift + i];
7650
7651     UnmapGadget(gi);
7652
7653     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7654     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7655
7656     MapGadget(gi);
7657   }
7658 }
7659
7660 static void PickDrawingElement(int button, int element)
7661 {
7662   if (button < 1 || button > 3)
7663     return;
7664
7665   if (button == 1)
7666   {
7667     new_element1 = element;
7668     DrawMiniGraphicExt(drawto,
7669                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7670                        el2edimg(new_element1));
7671   }
7672   else if (button == 2)
7673   {
7674     new_element2 = element;
7675     DrawMiniGraphicExt(drawto,
7676                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7677                        el2edimg(new_element2));
7678   }
7679   else
7680   {
7681     new_element3 = element;
7682     DrawMiniGraphicExt(drawto,
7683                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7684                        el2edimg(new_element3));
7685   }
7686
7687   redraw_mask |= REDRAW_DOOR_1;
7688 }
7689
7690 static void RedrawDrawingElements()
7691 {
7692   PickDrawingElement(1, new_element1);
7693   PickDrawingElement(2, new_element2);
7694   PickDrawingElement(3, new_element3);
7695 }
7696
7697 static void DrawDrawingWindow()
7698 {
7699   stick_element_properties_window = FALSE;
7700
7701   SetMainBackgroundImage(IMG_UNDEFINED);
7702   ClearField();
7703
7704   UnmapLevelEditorFieldGadgets();
7705   UnmapLevelEditorToolboxCustomGadgets();
7706
7707   AdjustDrawingAreaGadgets();
7708   AdjustLevelScrollPosition();
7709   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7710   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7711
7712   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7713
7714   MapMainDrawingArea();
7715   MapLevelEditorToolboxDrawingGadgets();
7716 }
7717
7718 static int getTabulatorBarWidth()
7719 {
7720   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7721   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7722
7723   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7724 }
7725
7726 static void DrawLevelInfoTabulatorGadgets()
7727 {
7728   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7729   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7730   int gd_x = gd->x + gd_gi1->border.width / 2;
7731   int gd_y = gd->y + gd_gi1->height - 1;
7732   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7733   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7734   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7735   int i;
7736
7737   for (i = id_first; i <= id_last; i++)
7738   {
7739     int gadget_id = textbutton_info[i].gadget_id;
7740     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7741     boolean active = (i != edit_mode_levelinfo);
7742
7743     /* draw background line below tabulator button */
7744     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7745
7746     /* draw solid line below inactive tabulator buttons */
7747     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7748       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7749
7750     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7751     MapTextbuttonGadget(i);
7752   }
7753
7754   /* draw little border line below tabulator buttons */
7755   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7756     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7757                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7758                   tab_color);
7759 }
7760
7761 static void DrawPropertiesTabulatorGadgets()
7762 {
7763   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7764   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7765   int gd_x = gd->x + gd_gi1->border.width / 2;
7766   int gd_y = gd->y + gd_gi1->height - 1;
7767   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7768   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7769   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7770   int i;
7771
7772   /* draw two config tabulators for player elements */
7773   if (ELEM_IS_PLAYER(properties_element))
7774     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7775
7776   /* draw two config and one "change" tabulator for custom elements */
7777   if (IS_CUSTOM_ELEMENT(properties_element))
7778     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7779
7780   for (i = id_first; i <= id_last; i++)
7781   {
7782     int gadget_id = textbutton_info[i].gadget_id;
7783     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7784     boolean active = (i != edit_mode_properties);
7785
7786     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7787     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7788         (ELEM_IS_PLAYER(properties_element) ||
7789          IS_CUSTOM_ELEMENT(properties_element)))
7790       continue;
7791
7792     /* draw background line below tabulator button */
7793     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7794
7795     /* draw solid line below inactive tabulator buttons */
7796     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7797       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7798
7799     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7800     MapTextbuttonGadget(i);
7801   }
7802
7803   /* draw little border line below tabulator buttons */
7804   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7805     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7806                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7807                   tab_color);
7808 }
7809
7810 static void DrawLevelInfoLevel()
7811 {
7812   int i;
7813
7814   /* draw counter gadgets */
7815   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7816     MapCounterButtons(i);
7817
7818   /* draw selectbox gadgets */
7819   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7820     MapSelectboxGadget(i);
7821
7822   /* draw text input gadgets */
7823   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7824     MapTextInputGadget(i);
7825 }
7826
7827 static void DrawLevelInfoEditor()
7828 {
7829   int i;
7830
7831   /* draw counter gadgets */
7832   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7833     MapCounterButtons(i);
7834
7835   /* draw checkbutton gadgets */
7836   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7837     MapCheckbuttonGadget(i);
7838
7839   /* draw radiobutton gadgets */
7840   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7841     MapRadiobuttonGadget(i);
7842
7843   /* draw drawing area */
7844   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7845 }
7846
7847 static void DrawLevelInfoWindow()
7848 {
7849   stick_element_properties_window = FALSE;
7850
7851   UnmapLevelEditorFieldGadgets();
7852
7853   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7854   ClearField();
7855
7856   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7857
7858   DrawLevelInfoTabulatorGadgets();
7859
7860   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7861     DrawLevelInfoLevel();
7862   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7863     DrawLevelInfoEditor();
7864 }
7865
7866 static void DrawCustomContentArea()
7867 {
7868   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7869   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7870   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7871   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7872   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7873   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7874
7875   /* add distance for potential left text (without drawing area border) */
7876   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7877
7878   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7879
7880   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7881 }
7882
7883 static void DrawCustomChangeContentArea()
7884 {
7885   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7886   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7887   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7888   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7889   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7890   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7891
7892   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7893
7894   MapDrawingArea(id);
7895 }
7896
7897 static void DrawYamYamContentAreas()
7898 {
7899   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7900   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7901   int i;
7902
7903   /* display counter to choose number of element content areas */
7904   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7905
7906   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7907   {
7908     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7909
7910     if (i < level.num_yamyam_contents)
7911     {
7912       MapDrawingArea(id);
7913     }
7914     else
7915     {
7916       int font_height = getFontHeight(FONT_TEXT_1);
7917
7918       UnmapDrawingArea(id);
7919
7920       /* delete content areas in case of reducing number of them */
7921       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7922                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7923                      4 * MINI_TILEX,
7924                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7925     }
7926   }
7927
7928   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7929   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7930   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7931 }
7932
7933 static void DrawMagicBallContentAreas()
7934 {
7935   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7936   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7937   int i;
7938
7939   /* display counter to choose number of element content areas */
7940   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7941
7942   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7943   {
7944     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7945
7946     if (i < level.num_ball_contents)
7947     {
7948       MapDrawingArea(id);
7949     }
7950     else
7951     {
7952       int font_height = getFontHeight(FONT_TEXT_1);
7953
7954       UnmapDrawingArea(id);
7955
7956       /* delete content areas in case of reducing number of them */
7957       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7958                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7959                      4 * MINI_TILEX,
7960                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7961     }
7962   }
7963
7964   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
7965   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
7966   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
7967 }
7968
7969 static void DrawAndroidElementArea(int element)
7970 {
7971   int num_elements = level.num_android_clone_elements;
7972   int id = ED_DRAWING_ID_ANDROID_CONTENT;
7973   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7974   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7975   int xsize = MAX_ANDROID_ELEMENTS;
7976   int ysize = 1;
7977
7978   /* display counter to choose number of element areas */
7979   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
7980
7981   if (drawingarea_info[id].text_left != NULL)
7982     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7983
7984   UnmapDrawingArea(id);
7985
7986   ModifyEditorDrawingArea(id, num_elements, 1);
7987
7988   /* delete content areas in case of reducing number of them */
7989   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7990
7991   MapDrawingArea(id);
7992 }
7993
7994 static void DrawGroupElementArea(int element)
7995 {
7996   int num_elements = group_element_info.num_elements;
7997   int id = ED_DRAWING_ID_GROUP_CONTENT;
7998   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7999   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8000   int xsize = MAX_ELEMENTS_IN_GROUP;
8001   int ysize = 1;
8002
8003   if (drawingarea_info[id].text_left != NULL)
8004     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8005
8006   UnmapDrawingArea(id);
8007
8008   ModifyEditorDrawingArea(id, num_elements, 1);
8009
8010   /* delete content areas in case of reducing number of them */
8011   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8012
8013   MapDrawingArea(id);
8014 }
8015
8016 static void DrawPlayerInitialInventoryArea(int element)
8017 {
8018   int player_nr = GET_PLAYER_NR(element);
8019   int num_elements = level.initial_inventory_size[player_nr];
8020   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8021   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8022   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8023   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8024   int ysize = 1;
8025
8026   /* determine horizontal position to the right of specified gadget */
8027   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8028     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8029            ED_DRAWINGAREA_TEXT_DISTANCE);
8030
8031   /* determine horizontal offset for leading text */
8032   if (drawingarea_info[id].text_left != NULL)
8033     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8034
8035   UnmapDrawingArea(id);
8036
8037   ModifyEditorDrawingArea(id, num_elements, 1);
8038
8039   /* delete content areas in case of reducing number of them */
8040   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8041
8042   MapDrawingArea(id);
8043 }
8044
8045 static void DrawEnvelopeTextArea(int envelope_nr)
8046 {
8047   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8048   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8049
8050   UnmapGadget(gi);
8051   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8052
8053   if (envelope_nr != -1)
8054     textarea_info[id].value = level.envelope[envelope_nr].text;
8055
8056   ModifyGadget(gi, GDI_AREA_SIZE,
8057                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8058                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8059                GDI_END);
8060
8061   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8062 }
8063
8064 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8065 {
8066   int font_height = getFontHeight(font_nr);
8067   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8068   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8069   int sx = SX + pad_x;
8070   int sy = SY + pad_y;
8071   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8072
8073   if (start_line >= max_lines_per_screen)
8074     return FALSE;
8075
8076   DrawText(sx, sy + start_line * font_height, text, font_nr);
8077
8078   return TRUE;
8079 }
8080
8081 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8082 {
8083   int font_nr = FONT_TEXT_2;
8084   int font_width = getFontWidth(font_nr);
8085   int font_height = getFontHeight(font_nr);
8086   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8087   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8088   int sx = SX + pad_x;
8089   int sy = SY + pad_y + start_line * font_height;
8090   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8091   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8092   int max_lines_drawable = max_lines_per_screen - start_line;
8093
8094   if (start_line >= max_lines_per_screen)
8095     return FALSE;
8096
8097   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8098                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8099 }
8100
8101 static void DrawPropertiesInfo()
8102 {
8103   static struct
8104   {
8105     int value;
8106     char *text;
8107   }
8108   properties[] =
8109   {
8110     /* configurable properties */
8111
8112     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8113     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8114     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8115     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8116     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8117     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8118     { EP_PROTECTED,             "- player is protected by it"           },
8119
8120     { EP_DIGGABLE,              "- can be digged away"                  },
8121     { EP_COLLECTIBLE,           "- can be collected"                    },
8122     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8123     { EP_THROWABLE,             "- can be thrown after collecting"      },
8124     { EP_PUSHABLE,              "- can be pushed"                       },
8125
8126     { EP_CAN_FALL,              "- can fall"                            },
8127     { EP_CAN_MOVE,              "- can move"                            },
8128
8129     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8130 #if 0
8131     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8132 #endif
8133     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8134
8135     { EP_SLIPPERY,              "- slippery for falling elements"       },
8136     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8137
8138     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8139     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8140     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8141     { EP_DONT_TOUCH,            "- deadly when touching"                },
8142
8143     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8144
8145     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8146     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8147     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8148
8149     { EP_CAN_CHANGE,            "- can change to other element"         },
8150
8151     /* pre-defined properties */
8152     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8153     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8154     { EP_SWITCHABLE,            "- can be switched"                     },
8155 #if 0
8156     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8157 #endif
8158
8159     { -1,                       NULL                                    }
8160   };
8161   char *filename = getElementDescriptionFilename(properties_element);
8162   char *percentage_text = "In this level: ";
8163   char *properties_text = "Standard properties: ";
8164   float percentage;
8165   int num_elements_in_level;
8166   int num_standard_properties = 0;
8167   int font1_nr = FONT_TEXT_1;
8168   int font2_nr = FONT_TEXT_2;
8169   int font1_width = getFontWidth(font1_nr);
8170   int font2_height = getFontHeight(font2_nr);
8171   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8172   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8173   int screen_line = 0;
8174   int i, x, y;
8175
8176   if (setup.editor.show_element_token)
8177   {
8178     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8179               "[%s]", element_info[properties_element].token_name);
8180     screen_line++;
8181   }
8182
8183   /* ----- print number of elements / percentage of this element in level */
8184
8185   num_elements_in_level = 0;
8186   for (y = 0; y < lev_fieldy; y++)
8187     for (x = 0; x < lev_fieldx; x++)
8188       if (Feld[x][y] == properties_element)
8189         num_elements_in_level++;
8190   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8191
8192   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8193             percentage_text);
8194   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8195             pad_y + screen_line++ * font2_height, font2_nr,
8196             "%d (%.2f%%)", num_elements_in_level, percentage);
8197
8198   screen_line++;
8199
8200   /* ----- print standard properties of this element */
8201
8202   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8203             properties_text);
8204
8205   for (i = 0; properties[i].value != -1; i++)
8206   {
8207     if (!HAS_PROPERTY(properties_element, properties[i].value))
8208       continue;
8209
8210     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8211               properties[i].text);
8212     num_standard_properties++;
8213   }
8214
8215   if (num_standard_properties == 0)
8216     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8217               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8218
8219   screen_line++;
8220
8221   /* ----- print special description of this element */
8222
8223   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8224   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8225     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8226 }
8227
8228 #define TEXT_COLLECTING         "Score for collecting"
8229 #define TEXT_SMASHING           "Score for smashing"
8230 #define TEXT_SLURPING           "Score for slurping robot"
8231 #define TEXT_CRACKING           "Score for cracking"
8232 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8233 #define TEXT_DURATION           "Duration when activated"
8234 #define TEXT_BALL_DELAY         "Element generation delay"
8235 #define TEXT_MOVE_SPEED         "Speed of android moving"
8236 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8237 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8238 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8239 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8240 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8241 #define TEXT_TIME_BONUS         "Extra time to solve level"
8242
8243 static struct
8244 {
8245   int element;
8246   int *value;
8247   char *text;
8248 } elements_with_counter[] =
8249 {
8250   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8251   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8252   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8253   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8254   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8255   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8256   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8257   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8258   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8259   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8260   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8261   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8262   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8263   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8264   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8265   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8266   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8267   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8268   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8269   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8270   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8271   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8272   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8273   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8274   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8275   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8276   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8277   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8278   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8279   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8280   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8281   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8282   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8283   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8284   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8285   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8286   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8287   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8288   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8289   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8290   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8291   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8292   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8293   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8294   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8295   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8296   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8297   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8298   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8299   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8300   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8301   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8302   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8303   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8304   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8305   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8306   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8307   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8308   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8309   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8310   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8311   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8312   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8313   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8314   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8315   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8316   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8317   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8318   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8319   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8320   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8321   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8322   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8323   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8324
8325   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8326   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8327   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8328   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8329   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8330   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8331   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8332   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8333   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8334   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8335   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8336   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8337   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8338   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8339   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8340   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8341
8342   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8343   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8344   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8345   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8346   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8347   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8348   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8349   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8350
8351   { -1,                 NULL,                           NULL            }
8352 };
8353
8354 static boolean checkPropertiesConfig(int element)
8355 {
8356   int i;
8357
8358   if (IS_GEM(element) ||
8359       IS_CUSTOM_ELEMENT(element) ||
8360       IS_GROUP_ELEMENT(element) ||
8361       IS_ENVELOPE(element) ||
8362       ELEM_IS_PLAYER(element) ||
8363       HAS_EDITOR_CONTENT(element) ||
8364       CAN_GROW(element) ||
8365       COULD_MOVE_INTO_ACID(element) ||
8366       MAYBE_DONT_COLLIDE_WITH(element) ||
8367       element == EL_SOKOBAN_OBJECT ||
8368       element == EL_SOKOBAN_FIELD_EMPTY ||
8369       element == EL_SOKOBAN_FIELD_FULL)
8370     return TRUE;
8371   else
8372     for (i = 0; elements_with_counter[i].element != -1; i++)
8373       if (elements_with_counter[i].element == element)
8374         return TRUE;
8375
8376   return FALSE;
8377 }
8378
8379 static void DrawPropertiesConfig()
8380 {
8381   int max_num_element_counters = 4;
8382   int num_element_counters = 0;
8383   int i;
8384
8385   if (!checkPropertiesConfig(properties_element))
8386   {
8387     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8388
8389     return;
8390   }
8391
8392   /* check if there are elements where a value can be chosen for */
8393   for (i = 0; elements_with_counter[i].element != -1; i++)
8394   {
8395     if (elements_with_counter[i].element == properties_element)
8396     {
8397       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8398
8399       counterbutton_info[counter_id].y =
8400         ED_ELEMENT_SETTINGS_YPOS(
8401                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8402                 (CAN_GROW(properties_element)                ? 1 : 0) +
8403                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8404                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8405                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8406                 num_element_counters);
8407
8408       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8409       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8410
8411       if (properties_element == EL_GAME_OF_LIFE ||
8412           properties_element == EL_BIOMAZE)
8413       {
8414         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8415         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8416       }
8417       else
8418       {
8419         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8420         counterbutton_info[counter_id].min_value = MIN_SCORE;
8421         counterbutton_info[counter_id].max_value = MAX_SCORE;
8422       }
8423
8424       MapCounterButtons(counter_id);
8425
8426       num_element_counters++;
8427       if (num_element_counters >= max_num_element_counters)
8428         break;
8429     }
8430   }
8431
8432   if (HAS_EDITOR_CONTENT(properties_element))
8433   {
8434     /* draw stickybutton gadget */
8435     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8436
8437     if (IS_AMOEBOID(properties_element))
8438       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8439     else if (properties_element == EL_YAMYAM ||
8440              properties_element == EL_YAMYAM_LEFT ||
8441              properties_element == EL_YAMYAM_RIGHT ||
8442              properties_element == EL_YAMYAM_UP ||
8443              properties_element == EL_YAMYAM_DOWN)
8444       DrawYamYamContentAreas();
8445     else if (properties_element == EL_EMC_MAGIC_BALL)
8446     {
8447       DrawMagicBallContentAreas();
8448
8449       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8450       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8451     }
8452     else if (properties_element == EL_EMC_ANDROID)
8453       DrawAndroidElementArea(properties_element);
8454   }
8455
8456   if (ELEM_IS_PLAYER(properties_element))
8457   {
8458     int player_nr = GET_PLAYER_NR(properties_element);
8459
8460     /* these properties can be set for every player individually */
8461
8462     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8463     {
8464       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8465         &level.start_element[player_nr];
8466       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8467         &level.artwork_element[player_nr];
8468       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8469         &level.explosion_element[player_nr];
8470
8471       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8472         &level.use_start_element[player_nr];
8473       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8474         &level.use_artwork_element[player_nr];
8475       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8476         &level.use_explosion_element[player_nr];
8477       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8478         &level.initial_player_gravity[player_nr];
8479
8480       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8481         &level.initial_player_stepsize[player_nr];
8482
8483       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8484       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8485                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8486                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8487       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8488       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8489       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8490       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8491       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8492       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8493       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8494       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8495       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8496
8497       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8498       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8499       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8500
8501       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8502     }
8503     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8504     {
8505       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8506         &level.initial_inventory_content[player_nr][0];
8507
8508       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8509         &level.initial_inventory_size[player_nr];
8510
8511       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8512         &level.use_initial_inventory[player_nr];
8513
8514       /* draw checkbutton gadgets */
8515       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8516
8517       /* draw counter gadgets */
8518       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8519
8520       /* draw drawing area gadgets */
8521       DrawPlayerInitialInventoryArea(properties_element);
8522     }
8523   }
8524
8525   if (IS_GEM(properties_element))
8526     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8527
8528   if (properties_element == EL_EM_DYNAMITE)
8529     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8530
8531   if (COULD_MOVE_INTO_ACID(properties_element) &&
8532       !ELEM_IS_PLAYER(properties_element) &&
8533       (!IS_CUSTOM_ELEMENT(properties_element) ||
8534        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8535   {
8536     /* set position for checkbutton for "can move into acid" */
8537     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8538       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8539     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8540       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8541                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8542
8543     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8544   }
8545
8546   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8547     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8548
8549   if (properties_element == EL_SPRING)
8550     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8551
8552   if (properties_element == EL_TIME_ORB_FULL)
8553     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8554
8555   if (CAN_GROW(properties_element))
8556   {
8557     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8558       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8559
8560     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8561   }
8562
8563   if (properties_element == EL_SOKOBAN_OBJECT ||
8564       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8565       properties_element == EL_SOKOBAN_FIELD_FULL)
8566     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8567
8568   if (IS_ENVELOPE(properties_element))
8569   {
8570     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8571     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8572     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8573     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8574     int envelope_nr = properties_element - EL_ENVELOPE_1;
8575
8576     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8577     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8578
8579     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8580     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8581
8582     /* display counter to choose size of envelope text area */
8583     MapCounterButtons(counter1_id);
8584     MapCounterButtons(counter2_id);
8585
8586     /* display checkbuttons to choose auto-wrap and alignment properties */
8587     MapCheckbuttonGadget(button1_id);
8588     MapCheckbuttonGadget(button2_id);
8589
8590     DrawEnvelopeTextArea(envelope_nr);
8591   }
8592
8593   if (IS_CUSTOM_ELEMENT(properties_element))
8594   {
8595     /* draw stickybutton gadget */
8596     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8597
8598     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8599     {
8600       /* draw checkbutton gadgets */
8601       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8602            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8603         MapCheckbuttonGadget(i);
8604
8605       /* draw counter gadgets */
8606       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8607            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8608         MapCounterButtons(i);
8609
8610       /* draw selectbox gadgets */
8611       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8612            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8613         MapSelectboxGadget(i);
8614
8615       /* draw textbutton gadgets */
8616       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8617
8618       /* draw text input gadgets */
8619       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8620
8621       /* draw drawing area gadgets */
8622       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8623     }
8624     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8625     {
8626       /* draw checkbutton gadgets */
8627       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8628            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8629         MapCheckbuttonGadget(i);
8630
8631       /* draw counter gadgets */
8632       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8633            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8634         MapCounterButtons(i);
8635
8636       /* draw selectbox gadgets */
8637       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8638            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8639         MapSelectboxGadget(i);
8640
8641       /* draw drawing area gadgets */
8642       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8643       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8644       DrawCustomContentArea();
8645     }
8646   }
8647   else if (IS_GROUP_ELEMENT(properties_element))
8648   {
8649     /* draw stickybutton gadget */
8650     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8651
8652     /* draw checkbutton gadgets */
8653     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8654     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8655
8656     /* draw counter gadgets */
8657     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8658
8659     /* draw selectbox gadgets */
8660     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8661
8662     /* draw textbutton gadgets */
8663     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8664
8665     /* draw drawing area gadgets */
8666     DrawGroupElementArea(properties_element);
8667
8668     /* draw text input gadgets */
8669     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8670
8671     /* draw drawing area gadgets */
8672     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8673   }
8674 }
8675
8676 static void DrawPropertiesChangeDrawingAreas()
8677 {
8678   if (IS_CUSTOM_ELEMENT(properties_element))
8679   {
8680     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8681     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8682     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8683
8684     DrawCustomChangeContentArea();
8685   }
8686
8687   redraw_mask |= REDRAW_FIELD;
8688 }
8689
8690 static void DrawPropertiesChange()
8691 {
8692   int i;
8693
8694   /* needed to initially set selectbox options for special action options */
8695   setSelectboxSpecialActionOptions();
8696
8697   /* draw stickybutton gadget */
8698   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8699
8700   /* draw checkbutton gadgets */
8701   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8702        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8703     MapCheckbuttonGadget(i);
8704
8705   /* draw counter gadgets */
8706   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8707        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8708     MapCounterButtons(i);
8709
8710   /* draw selectbox gadgets */
8711   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8712        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8713     MapSelectboxGadget(i);
8714
8715   /* draw textbutton gadgets */
8716   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8717        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8718     MapTextbuttonGadget(i);
8719
8720   /* draw graphicbutton gadgets */
8721   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8722        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8723     MapGraphicbuttonGadget(i);
8724
8725   /* draw drawing area gadgets */
8726   DrawPropertiesChangeDrawingAreas();
8727 }
8728
8729 static void DrawEditorElementAnimation(int x, int y)
8730 {
8731   int graphic = el2img(properties_element);
8732   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8733                custom_element.ce_value_fixed_initial :
8734                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8735                custom_element.collect_score_initial : FrameCounter);
8736
8737   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8738 }
8739
8740 static void DrawEditorElementName(int x, int y, int element)
8741 {
8742   char *element_name = getElementInfoText(element);
8743   int font_nr = FONT_TEXT_1;
8744   int font_width = getFontWidth(font_nr);
8745   int font_height = getFontHeight(font_nr);
8746   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8747   int max_chars_per_line = max_text_width / font_width;
8748   char buffer[max_chars_per_line + 1];
8749
8750   if (strlen(element_name) <= max_chars_per_line)
8751     DrawTextS(x, y, font_nr, element_name);
8752   else
8753   {
8754     int next_pos = max_chars_per_line;
8755
8756     strncpy(buffer, element_name, max_chars_per_line);
8757     buffer[max_chars_per_line] = '\0';
8758
8759     if (element_name[max_chars_per_line] == ' ')
8760       next_pos++;
8761     else
8762     {
8763       int i;
8764
8765       for (i = max_chars_per_line - 1; i >= 0; i--)
8766         if (buffer[i] == ' ')
8767           break;
8768
8769       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8770       {
8771         buffer[i] = '\0';
8772         next_pos = i + 1;
8773       }
8774     }
8775
8776     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8777
8778     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8779     buffer[max_chars_per_line] = '\0';
8780
8781     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8782   }
8783 }
8784
8785 static void DrawPropertiesWindow()
8786 {
8787   int xstart = 2;
8788   int ystart = 4;
8789
8790   stick_element_properties_window = FALSE;
8791
8792   /* make sure that previous properties edit mode exists for this element */
8793   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8794       !IS_CUSTOM_ELEMENT(properties_element))
8795     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8796
8797   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8798       !ELEM_IS_PLAYER(properties_element) &&
8799       !IS_CUSTOM_ELEMENT(properties_element))
8800     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8801
8802   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8803       (ELEM_IS_PLAYER(properties_element) ||
8804        IS_CUSTOM_ELEMENT(properties_element)))
8805     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8806
8807   CopyElementPropertiesToEditor(properties_element);
8808
8809   UnmapLevelEditorFieldGadgets();
8810   UnmapLevelEditorToolboxDrawingGadgets();
8811   UnmapLevelEditorToolboxCustomGadgets();
8812
8813   if (IS_CUSTOM_ELEMENT(properties_element) ||
8814       IS_GROUP_ELEMENT(properties_element))
8815     MapLevelEditorToolboxCustomGadgets();
8816
8817   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8818   ClearField();
8819
8820   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8821
8822   FrameCounter = 0;     /* restart animation frame counter */
8823
8824   DrawElementBorder(SX + xstart * MINI_TILEX,
8825                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8826                     TILEX, TILEY, FALSE);
8827
8828   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8829                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8830
8831   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8832                         (ystart + 1) * MINI_TILEY + 1,
8833                         properties_element);
8834
8835   DrawPropertiesTabulatorGadgets();
8836
8837   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8838     DrawPropertiesInfo();
8839   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8840     DrawPropertiesChange();
8841   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8842     DrawPropertiesConfig();
8843 }
8844
8845 static void UpdateCustomElementGraphicGadgets()
8846 {
8847   struct ElementInfo *ei = &element_info[properties_element];
8848   int i;
8849
8850   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8851                      properties_element);
8852
8853   ModifyEditorElementList();
8854   RedrawDrawingElements();
8855
8856   /* force redraw of all mapped drawing area gadgets */
8857   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8858   {
8859     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8860
8861     if (gi->mapped)
8862       MapDrawingArea(i);
8863   }
8864 }
8865
8866 static int getOpenDirectionFromTube(int element)
8867 {
8868   switch (element)
8869   {
8870     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8871     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8872     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8873     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8874     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8875     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8876     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8877     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8878     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8879     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8880     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8881   }
8882
8883   return MV_NONE;
8884 }
8885
8886 static int getTubeFromOpenDirection(int direction)
8887 {
8888   switch (direction)
8889   {
8890     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8891     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8892     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8893     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8894     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8895     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8896     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8897     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8898     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8899     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8900     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8901
8902     /* if only one direction, fall back to simple tube with that direction */
8903     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8904     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8905     case (MV_UP):                       return EL_TUBE_VERTICAL;
8906     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8907   }
8908
8909   return EL_EMPTY;
8910 }
8911
8912 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8913 {
8914   int element_new = getTubeFromOpenDirection(direction);
8915
8916   return (element_new != EL_EMPTY ? element_new : element_old);
8917 }
8918
8919 static int getOpenDirectionFromBelt(int element)
8920 {
8921   int belt_dir = getBeltDirFromBeltElement(element);
8922
8923   return (belt_dir == MV_LEFT ? MV_RIGHT :
8924           belt_dir == MV_RIGHT ? MV_LEFT :
8925           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8926 }
8927
8928 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8929 {
8930   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8931                   direction == MV_RIGHT ? MV_LEFT :
8932                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8933
8934   if (direction == MV_NONE)
8935     return EL_EMPTY;
8936
8937   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8938 }
8939
8940 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8941                                                  int element_old)
8942 {
8943   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8944
8945   return (element_new != EL_EMPTY ? element_new : element_old);
8946 }
8947
8948 static int getOpenDirectionFromPool(int element)
8949 {
8950   switch (element)
8951   {
8952     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
8953     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
8954     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
8955     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
8956     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
8957     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
8958   }
8959
8960   return MV_NONE;
8961 }
8962
8963 static int getPoolFromOpenDirection(int direction)
8964 {
8965   switch (direction)
8966   {
8967     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
8968     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
8969     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
8970     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
8971     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
8972     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
8973   }
8974
8975   return EL_EMPTY;
8976 }
8977
8978 static int getPoolFromOpenDirectionExt(int direction, int help_element)
8979 {
8980   int element = getPoolFromOpenDirection(direction);
8981   int help_direction = getOpenDirectionFromPool(help_element);
8982
8983   if (element == EL_EMPTY)
8984   {
8985     int help_direction_vertical = help_direction & MV_VERTICAL;
8986
8987     element = getPoolFromOpenDirection(direction | help_direction_vertical);
8988   }
8989
8990   if (element == EL_EMPTY)
8991   {
8992     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
8993
8994     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
8995   }
8996
8997   return element;
8998 }
8999
9000 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9001 {
9002   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9003
9004   return (element_new != EL_EMPTY ? element_new : element_old);
9005 }
9006
9007 static int getOpenDirectionFromPillar(int element)
9008 {
9009   switch (element)
9010   {
9011     case EL_EMC_WALL_1:                 return (MV_DOWN);
9012     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9013     case EL_EMC_WALL_3:                 return (MV_UP);
9014   }
9015
9016   return MV_NONE;
9017 }
9018
9019 static int getPillarFromOpenDirection(int direction)
9020 {
9021   switch (direction)
9022   {
9023     case (MV_DOWN):                     return EL_EMC_WALL_1;
9024     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9025     case (MV_UP):                       return EL_EMC_WALL_3;
9026   }
9027
9028   return EL_EMPTY;
9029 }
9030
9031 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9032 {
9033   int element_new = getPillarFromOpenDirection(direction);
9034
9035   return (element_new != EL_EMPTY ? element_new : element_old);
9036 }
9037
9038 static int getOpenDirectionFromSteel2(int element)
9039 {
9040   switch (element)
9041   {
9042     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9043     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9044     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9045     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9046     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9047     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9048     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9049     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9050   }
9051
9052   return MV_NONE;
9053 }
9054
9055 static int getSteel2FromOpenDirection(int direction)
9056 {
9057   switch (direction)
9058   {
9059     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9060     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9061     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9062     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9063     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9064     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9065     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9066     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9067   }
9068
9069   return EL_EMPTY;
9070 }
9071
9072 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9073 {
9074   int element_new = getSteel2FromOpenDirection(direction);
9075
9076   return (element_new != EL_EMPTY ? element_new : element_old);
9077 }
9078
9079 static int getOpenDirectionFromChip(int element)
9080 {
9081   switch (element)
9082   {
9083     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9084     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9085     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9086     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9087     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9088   }
9089
9090   return MV_NONE;
9091 }
9092
9093 static int getChipFromOpenDirection(int direction)
9094 {
9095   switch (direction)
9096   {
9097     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9098     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9099     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9100     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9101     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9102   }
9103
9104   return EL_EMPTY;
9105 }
9106
9107 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9108 {
9109   int element_new = getChipFromOpenDirection(direction);
9110
9111   return (element_new != EL_EMPTY ? element_new : element_old);
9112 }
9113
9114 static int getClosedTube(int x, int y)
9115 {
9116   static int xy[4][2] =
9117   {
9118     { -1, 0 },
9119     { +1, 0 },
9120     { 0, -1 },
9121     { 0, +1 }
9122   };
9123   int element_old = IntelliDrawBuffer[x][y];
9124   int direction_old = getOpenDirectionFromTube(element_old);
9125   int direction_new = MV_NONE;
9126   int i;
9127
9128   for (i = 0; i < NUM_DIRECTIONS; i++)
9129   {
9130     int xx = x + xy[i][0];
9131     int yy = y + xy[i][1];
9132     int dir = MV_DIR_FROM_BIT(i);
9133     int dir_opposite = MV_DIR_OPPOSITE(dir);
9134
9135     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9136         (direction_old & dir) &&
9137         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9138       direction_new |= dir;
9139   }
9140
9141   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9142 }
9143
9144 static int getClosedBelt(int x, int y)
9145 {
9146   static int xy[4][2] =
9147   {
9148     { -1, 0 },
9149     { +1, 0 },
9150     { 0, -1 },
9151     { 0, +1 }
9152   };
9153   int element_old = IntelliDrawBuffer[x][y];
9154   int nr = getBeltNrFromBeltElement(element_old);
9155   int direction_old = getOpenDirectionFromBelt(element_old);
9156   int direction_new = MV_NONE;
9157   int i;
9158
9159   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9160   {
9161     int xx = x + xy[i][0];
9162     int yy = y + xy[i][1];
9163     int dir = MV_DIR_FROM_BIT(i);
9164     int dir_opposite = MV_DIR_OPPOSITE(dir);
9165
9166     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9167         (direction_old & dir) &&
9168         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9169       direction_new |= dir;
9170   }
9171
9172   return getBeltFromNrAndOpenDirection(nr, direction_new);
9173 }
9174
9175 static int getClosedPool(int x, int y)
9176 {
9177   static int xy[4][2] =
9178   {
9179     { -1, 0 },
9180     { +1, 0 },
9181     { 0, -1 },
9182     { 0, +1 }
9183   };
9184   int element_old = IntelliDrawBuffer[x][y];
9185   int direction_old = getOpenDirectionFromPool(element_old);
9186   int direction_new = MV_NONE;
9187   int i;
9188
9189   for (i = 0; i < NUM_DIRECTIONS; i++)
9190   {
9191     int xx = x + xy[i][0];
9192     int yy = y + xy[i][1];
9193     int dir = MV_DIR_FROM_BIT(i);
9194     int dir_opposite = MV_DIR_OPPOSITE(dir);
9195
9196     if (IN_LEV_FIELD(xx, yy) &&
9197         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9198         (direction_old & dir) &&
9199         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9200       direction_new |= dir;
9201   }
9202
9203   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9204 }
9205
9206 static int getClosedPillar(int x, int y)
9207 {
9208   static int xy[4][2] =
9209   {
9210     { -1, 0 },
9211     { +1, 0 },
9212     { 0, -1 },
9213     { 0, +1 }
9214   };
9215   int element_old = IntelliDrawBuffer[x][y];
9216   int direction_old = getOpenDirectionFromPillar(element_old);
9217   int direction_new = MV_NONE;
9218   int i;
9219
9220   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9221   {
9222     int xx = x + xy[i][0];
9223     int yy = y + xy[i][1];
9224     int dir = MV_DIR_FROM_BIT(i);
9225     int dir_opposite = MV_DIR_OPPOSITE(dir);
9226
9227     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9228         (direction_old & dir) &&
9229         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9230       direction_new |= dir;
9231   }
9232
9233   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9234 }
9235
9236 static int getClosedSteel2(int x, int y)
9237 {
9238   static int xy[4][2] =
9239   {
9240     { -1, 0 },
9241     { +1, 0 },
9242     { 0, -1 },
9243     { 0, +1 }
9244   };
9245   int element_old = IntelliDrawBuffer[x][y];
9246   int direction_old = getOpenDirectionFromSteel2(element_old);
9247   int direction_new = MV_NONE;
9248   int i;
9249
9250   for (i = 0; i < NUM_DIRECTIONS; i++)
9251   {
9252     int xx = x + xy[i][0];
9253     int yy = y + xy[i][1];
9254     int dir = MV_DIR_FROM_BIT(i);
9255     int dir_opposite = MV_DIR_OPPOSITE(dir);
9256
9257     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9258         (direction_old & dir) &&
9259         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9260       direction_new |= dir;
9261   }
9262
9263   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9264 }
9265
9266 static int getClosedChip(int x, int y)
9267 {
9268   static int xy[4][2] =
9269   {
9270     { -1, 0 },
9271     { +1, 0 },
9272     { 0, -1 },
9273     { 0, +1 }
9274   };
9275   int element_old = IntelliDrawBuffer[x][y];
9276   int direction_old = getOpenDirectionFromChip(element_old);
9277   int direction_new = MV_NONE;
9278   int i;
9279
9280   for (i = 0; i < NUM_DIRECTIONS; i++)
9281   {
9282     int xx = x + xy[i][0];
9283     int yy = y + xy[i][1];
9284     int dir = MV_DIR_FROM_BIT(i);
9285     int dir_opposite = MV_DIR_OPPOSITE(dir);
9286
9287     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9288         (direction_old & dir) &&
9289         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9290       direction_new |= dir;
9291   }
9292
9293   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9294 }
9295
9296 static void SetElementSimple(int x, int y, int element, boolean change_level)
9297 {
9298   int sx = x - level_xpos;
9299   int sy = y - level_ypos;
9300
9301   IntelliDrawBuffer[x][y] = element;
9302
9303   if (change_level)
9304     Feld[x][y] = element;
9305
9306   if (IN_ED_FIELD(sx, sy))
9307     DrawMiniElement(sx, sy, element);
9308 }
9309
9310 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9311                                            int x2, int y2, int *element2,
9312                                            int (*close_function)(int, int),
9313                                            boolean change_level)
9314 {
9315   /* set neighbour elements to newly determined connections */
9316   SetElementSimple(x1, y1, *element1, change_level);
9317   SetElementSimple(x2, y2, *element2, change_level);
9318
9319   /* remove all open connections of neighbour elements */
9320   *element1 = close_function(x1, y1);
9321   *element2 = close_function(x2, y2);
9322
9323   /* set neighbour elements to new, minimized connections */
9324   SetElementSimple(x1, y1, *element1, change_level);
9325   SetElementSimple(x2, y2, *element2, change_level);
9326 }
9327
9328 static void SetElementIntelliDraw(int x, int y, int new_element,
9329                                   boolean change_level, int button)
9330 {
9331   static int xy[4][2] =
9332   {
9333     { -1, 0 },
9334     { +1, 0 },
9335     { 0, -1 },
9336     { 0, +1 }
9337   };
9338   static int last_x = -1;
9339   static int last_y = -1;
9340   int old_element = IntelliDrawBuffer[x][y];
9341
9342   if (new_element == EL_UNDEFINED)
9343   {
9344     last_x = -1;
9345     last_y = -1;
9346
9347     return;
9348   }
9349
9350   if (IS_TUBE(new_element))
9351   {
9352     int last_element_new = EL_UNDEFINED;
9353     int direction = MV_NONE;
9354     int i;
9355
9356     /* if old element is of same kind, keep all existing directions */
9357     if (IS_TUBE(old_element))
9358       direction |= getOpenDirectionFromTube(old_element);
9359
9360     for (i = 0; i < NUM_DIRECTIONS; i++)
9361     {
9362       int xx = x + xy[i][0];
9363       int yy = y + xy[i][1];
9364
9365       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9366           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9367       {
9368         int dir = MV_DIR_FROM_BIT(i);
9369         int dir_opposite = MV_DIR_OPPOSITE(dir);
9370         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9371         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9372         int last_direction_new = last_direction_old | dir_opposite;
9373
9374         last_element_new = getTubeFromOpenDirection(last_direction_new);
9375
9376         direction |= dir;
9377       }
9378     }
9379
9380     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9381
9382     if (last_element_new != EL_UNDEFINED)
9383       MergeAndCloseNeighbourElements(x, y, &new_element,
9384                                      last_x, last_y, &last_element_new,
9385                                      getClosedTube, change_level);
9386   }
9387   else if (IS_BELT(new_element))
9388   {
9389     int belt_nr = getBeltNrFromBeltElement(new_element);
9390     int last_element_new = EL_UNDEFINED;
9391     int direction = MV_NONE;
9392     int i;
9393
9394     /* if old element is of same kind, keep all existing directions */
9395     if (IS_BELT(old_element))
9396       direction |= getOpenDirectionFromBelt(old_element);
9397
9398     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9399     {
9400       int xx = x + xy[i][0];
9401       int yy = y + xy[i][1];
9402
9403       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9404           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9405       {
9406         int dir = MV_DIR_FROM_BIT(i);
9407         int dir_opposite = MV_DIR_OPPOSITE(dir);
9408         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9409         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9410         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9411         int last_direction_new = last_direction_old | dir_opposite;
9412
9413         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9414                                                          last_direction_new);
9415         direction |= dir;
9416       }
9417     }
9418
9419     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9420                                                         new_element);
9421     if (last_element_new != EL_UNDEFINED)
9422       MergeAndCloseNeighbourElements(x, y, &new_element,
9423                                      last_x, last_y, &last_element_new,
9424                                      getClosedBelt, change_level);
9425   }
9426   else if (IS_ACID_POOL_OR_ACID(new_element))
9427   {
9428     int last_element_new = EL_UNDEFINED;
9429     int direction = MV_NONE;
9430     int i;
9431
9432     /* if old element is of same kind, keep all existing directions */
9433     if (IS_ACID_POOL_OR_ACID(old_element))
9434       direction |= getOpenDirectionFromPool(old_element);
9435
9436     for (i = 0; i < NUM_DIRECTIONS; i++)
9437     {
9438       int xx = x + xy[i][0];
9439       int yy = y + xy[i][1];
9440
9441       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9442           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9443       {
9444         int dir = MV_DIR_FROM_BIT(i);
9445         int dir_opposite = MV_DIR_OPPOSITE(dir);
9446         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9447         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9448         int last_direction_new = last_direction_old | dir_opposite;
9449
9450         last_element_new = getPoolFromOpenDirection(last_direction_new);
9451
9452         direction |= dir;
9453       }
9454     }
9455
9456     /* special corrections needed for intuitively correct acid pool drawing */
9457     if (last_element_new == EL_EMPTY)
9458       last_element_new = new_element;
9459     else if (last_element_new != EL_UNDEFINED)
9460       new_element = last_element_new;
9461
9462     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9463
9464     if (last_element_new != EL_UNDEFINED)
9465       MergeAndCloseNeighbourElements(x, y, &new_element,
9466                                      last_x, last_y, &last_element_new,
9467                                      getClosedPool, change_level);
9468   }
9469   else if (IS_EMC_PILLAR(new_element))
9470   {
9471     int last_element_new = EL_UNDEFINED;
9472     int direction = MV_NONE;
9473     int i;
9474
9475     /* if old element is of same kind, keep all existing directions */
9476     if (IS_EMC_PILLAR(old_element))
9477       direction |= getOpenDirectionFromPillar(old_element);
9478
9479     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9480     {
9481       int xx = x + xy[i][0];
9482       int yy = y + xy[i][1];
9483
9484       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9485           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9486       {
9487         int dir = MV_DIR_FROM_BIT(i);
9488         int dir_opposite = MV_DIR_OPPOSITE(dir);
9489         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9490         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9491         int last_direction_new = last_direction_old | dir_opposite;
9492
9493         last_element_new = getPillarFromOpenDirection(last_direction_new);
9494
9495         direction |= dir;
9496       }
9497     }
9498
9499     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9500
9501     if (last_element_new != EL_UNDEFINED)
9502       MergeAndCloseNeighbourElements(x, y, &new_element,
9503                                      last_x, last_y, &last_element_new,
9504                                      getClosedPillar, change_level);
9505   }
9506   else if (IS_DC_STEELWALL_2(new_element))
9507   {
9508     int last_element_new = EL_UNDEFINED;
9509     int direction = MV_NONE;
9510     int i;
9511
9512     /* if old element is of same kind, keep all existing directions */
9513     if (IS_DC_STEELWALL_2(old_element))
9514       direction |= getOpenDirectionFromSteel2(old_element);
9515
9516     for (i = 0; i < NUM_DIRECTIONS; i++)
9517     {
9518       int xx = x + xy[i][0];
9519       int yy = y + xy[i][1];
9520
9521       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9522           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9523       {
9524         int dir = MV_DIR_FROM_BIT(i);
9525         int dir_opposite = MV_DIR_OPPOSITE(dir);
9526         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9527         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9528         int last_direction_new = last_direction_old | dir_opposite;
9529
9530         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9531
9532         direction |= dir;
9533       }
9534     }
9535
9536     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9537
9538     if (last_element_new != EL_UNDEFINED)
9539       MergeAndCloseNeighbourElements(x, y, &new_element,
9540                                      last_x, last_y, &last_element_new,
9541                                      getClosedSteel2, change_level);
9542   }
9543   else if (IS_SP_CHIP(new_element))
9544   {
9545     int last_element_new = EL_UNDEFINED;
9546     int direction = MV_NONE;
9547     int i;
9548
9549     /* (do not keep existing directions, regardless of kind of old element) */
9550
9551     for (i = 0; i < NUM_DIRECTIONS; i++)
9552     {
9553       int xx = x + xy[i][0];
9554       int yy = y + xy[i][1];
9555
9556       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9557           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9558       {
9559         int dir = MV_DIR_FROM_BIT(i);
9560         int dir_opposite = MV_DIR_OPPOSITE(dir);
9561         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9562         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9563         int last_direction_new = last_direction_old | dir_opposite;
9564
9565         if (last_direction_old == MV_NONE)
9566         {
9567           last_element_new = getChipFromOpenDirection(last_direction_new);
9568           direction |= dir;
9569         }
9570         else if (last_direction_old & (dir | dir_opposite))
9571         {
9572           direction |= MV_DIR_OPPOSITE(last_direction_old);
9573         }
9574         else
9575         {
9576           direction |= MV_DIR_OPPOSITE(dir);
9577         }
9578       }
9579     }
9580
9581     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9582
9583     if (last_element_new != EL_UNDEFINED)
9584       MergeAndCloseNeighbourElements(x, y, &new_element,
9585                                      last_x, last_y, &last_element_new,
9586                                      getClosedChip, change_level);
9587   }
9588   else if (IS_SP_HARDWARE_BASE(new_element))
9589   {
9590     int nr = GetSimpleRandom(6);
9591
9592     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9593                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9594                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9595                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9596                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9597   }
9598   else if (new_element == EL_SP_HARDWARE_GREEN ||
9599            new_element == EL_SP_HARDWARE_BLUE ||
9600            new_element == EL_SP_HARDWARE_RED)
9601   {
9602     int nr = GetSimpleRandom(3);
9603
9604     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9605                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9606   }
9607   else if (IS_GROUP_ELEMENT(new_element))
9608   {
9609     boolean connected_drawing = FALSE;
9610     int i;
9611
9612     for (i = 0; i < NUM_DIRECTIONS; i++)
9613     {
9614       int xx = x + xy[i][0];
9615       int yy = y + xy[i][1];
9616
9617       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9618           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9619         connected_drawing = TRUE;
9620     }
9621
9622     if (!connected_drawing)
9623       ResolveGroupElement(new_element);
9624
9625     new_element = GetElementFromGroupElement(new_element);
9626   }
9627   else if (IS_BELT_SWITCH(old_element))
9628   {
9629     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9630     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9631
9632     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9633                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9634
9635     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9636   }
9637   else
9638   {
9639     static int swappable_elements[][2] =
9640     {
9641       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9642       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9643       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9644       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9645       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9646       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9647       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9648       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9649       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9650       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9651       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9652       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9653       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9654       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9655       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9656       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9657       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9658       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9659       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9660       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9661       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9662       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9663       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9664       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9665       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9666       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9667       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9668       { EL_PEARL,                       EL_WALL_PEARL                   },
9669       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9670       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9671       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9672       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9673       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9674       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9675       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9676       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9677       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9678       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9679       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9680       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9681
9682       { -1,                             -1                              },
9683     };
9684     static int rotatable_elements[][4] =
9685     {
9686       {
9687         EL_BUG_UP,
9688         EL_BUG_RIGHT,
9689         EL_BUG_DOWN,
9690         EL_BUG_LEFT
9691       },
9692
9693       {
9694         EL_SPACESHIP_UP,
9695         EL_SPACESHIP_RIGHT,
9696         EL_SPACESHIP_DOWN,
9697         EL_SPACESHIP_LEFT
9698       },
9699
9700       {
9701         EL_BD_BUTTERFLY_UP,
9702         EL_BD_BUTTERFLY_RIGHT,
9703         EL_BD_BUTTERFLY_DOWN,
9704         EL_BD_BUTTERFLY_LEFT
9705       },
9706
9707       {
9708         EL_BD_FIREFLY_UP,
9709         EL_BD_FIREFLY_RIGHT,
9710         EL_BD_FIREFLY_DOWN,
9711         EL_BD_FIREFLY_LEFT
9712       },
9713
9714       {
9715         EL_PACMAN_UP,
9716         EL_PACMAN_RIGHT,
9717         EL_PACMAN_DOWN,
9718         EL_PACMAN_LEFT
9719       },
9720
9721       {
9722         EL_YAMYAM_UP,
9723         EL_YAMYAM_RIGHT,
9724         EL_YAMYAM_DOWN,
9725         EL_YAMYAM_LEFT
9726       },
9727
9728       {
9729         EL_ARROW_UP,
9730         EL_ARROW_RIGHT,
9731         EL_ARROW_DOWN,
9732         EL_ARROW_LEFT
9733       },
9734
9735       {
9736         EL_SP_PORT_UP,
9737         EL_SP_PORT_RIGHT,
9738         EL_SP_PORT_DOWN,
9739         EL_SP_PORT_LEFT
9740       },
9741
9742       {
9743         EL_SP_GRAVITY_PORT_UP,
9744         EL_SP_GRAVITY_PORT_RIGHT,
9745         EL_SP_GRAVITY_PORT_DOWN,
9746         EL_SP_GRAVITY_PORT_LEFT
9747       },
9748
9749       {
9750         EL_SP_GRAVITY_ON_PORT_UP,
9751         EL_SP_GRAVITY_ON_PORT_RIGHT,
9752         EL_SP_GRAVITY_ON_PORT_DOWN,
9753         EL_SP_GRAVITY_ON_PORT_LEFT
9754       },
9755
9756       {
9757         EL_SP_GRAVITY_OFF_PORT_UP,
9758         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9759         EL_SP_GRAVITY_OFF_PORT_DOWN,
9760         EL_SP_GRAVITY_OFF_PORT_LEFT
9761       },
9762
9763       {
9764         EL_MOLE_UP,
9765         EL_MOLE_RIGHT,
9766         EL_MOLE_DOWN,
9767         EL_MOLE_LEFT
9768       },
9769
9770       {
9771         EL_BALLOON_SWITCH_UP,
9772         EL_BALLOON_SWITCH_RIGHT,
9773         EL_BALLOON_SWITCH_DOWN,
9774         EL_BALLOON_SWITCH_LEFT
9775       },
9776
9777       {
9778         -1,
9779         -1,
9780         -1,
9781         -1,
9782       },
9783     };
9784     int i, j;
9785
9786     for (i = 0; swappable_elements[i][0] != -1; i++)
9787     {
9788       int element1 = swappable_elements[i][0];
9789       int element2 = swappable_elements[i][1];
9790
9791       if (old_element == element1 || old_element == element2)
9792         new_element = (old_element == element1 ? element2 : element1);
9793     }
9794
9795     for (i = 0; rotatable_elements[i][0] != -1; i++)
9796     {
9797       for (j = 0; j < 4; j++)
9798       {
9799         int element = rotatable_elements[i][j];
9800
9801         if (old_element == element)
9802           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9803                          button == 2 ? rotatable_elements[i][0]           :
9804                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9805                          old_element);
9806       }
9807     }
9808   }
9809
9810   SetElementSimple(x, y, new_element, change_level);
9811
9812   last_x = x;
9813   last_y = y;
9814 }
9815
9816 static void ResetIntelliDraw()
9817 {
9818   int x, y;
9819
9820   for (x = 0; x < lev_fieldx; x++)
9821     for (y = 0; y < lev_fieldy; y++)
9822       IntelliDrawBuffer[x][y] = Feld[x][y];
9823
9824   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9825 }
9826
9827 static void SetElementExt(int x, int y, int element, boolean change_level,
9828                           int button)
9829 {
9830   if (element < 0)
9831     SetElementSimple(x, y, Feld[x][y], change_level);
9832   else if (GetKeyModState() & KMOD_Shift)
9833     SetElementIntelliDraw(x, y, element, change_level, button);
9834   else
9835     SetElementSimple(x, y, element, change_level);
9836 }
9837
9838 static void SetElement(int x, int y, int element)
9839 {
9840   SetElementExt(x, y, element, TRUE, -1);
9841 }
9842
9843 static void SetElementButton(int x, int y, int element, int button)
9844 {
9845   SetElementExt(x, y, element, TRUE, button);
9846 }
9847
9848 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9849 {
9850   int lx = sx + level_xpos;
9851   int ly = sy + level_ypos;
9852
9853   SetElementExt(lx, ly, element, change_level, -1);
9854 }
9855
9856 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9857                      int element, boolean change_level)
9858 {
9859   int xsize = ABS(to_x - from_x);
9860   int ysize = ABS(to_y - from_y);
9861   int dx = (to_x < from_x ? -1 : +1);
9862   int dy = (to_y < from_y ? -1 : +1);
9863   int i;
9864
9865   if (from_y == to_y)                   /* horizontal line */
9866   {
9867     for (i = 0; i <= xsize; i++)
9868       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9869   }
9870   else if (from_x == to_x)              /* vertical line */
9871   {
9872     for (i = 0; i <= ysize; i++)
9873       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9874   }
9875   else                                  /* diagonal line */
9876   {
9877     if (ysize < xsize)                  /* a < 1 */
9878     {
9879       float a = (float)ysize / (float)xsize;
9880
9881       for (i = 0; i <= xsize; i++)
9882       {
9883         int x = dx * i;
9884         int y = dy * (int)(a * i + 0.5);
9885
9886         DrawLineElement(from_x + x, from_y + y, element, change_level);
9887       }
9888     }
9889     else                                /* a >= 1 */
9890     {
9891       float a = (float)xsize / (float)ysize;
9892
9893       for (i = 0; i <= ysize; i++)
9894       {
9895         int x = dx * (int)(a * i + 0.5);
9896         int y = dy * i;
9897
9898         DrawLineElement(from_x + x, from_y + y, element, change_level);
9899       }
9900     }
9901   }
9902 }
9903
9904 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9905                     int element, boolean change_level)
9906 {
9907   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9908   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9909   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9910   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9911 }
9912
9913 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9914                           int element, boolean change_level)
9915 {
9916   int y;
9917
9918   if (from_y > to_y)
9919     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9920
9921   for (y = from_y; y <= to_y; y++)
9922     DrawLine(from_x, y, to_x, y, element, change_level);
9923 }
9924
9925 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9926                        int element, boolean change_level)
9927 {
9928   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9929   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9930   int len_x = ABS(to_x - from_x);
9931   int len_y = ABS(to_y - from_y);
9932   int radius, x, y;
9933
9934   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9935
9936   /* not optimal (some points get drawn twice) but simple,
9937      and fast enough for the few points we are drawing */
9938
9939   for (x = 0; x <= radius; x++)
9940   {
9941     int sx, sy, lx, ly;
9942
9943     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9944
9945     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9946     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9947     lx = sx + level_xpos;
9948     ly = sy + level_ypos;
9949
9950     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9951       DrawLineElement(sx, sy, element, change_level);
9952   }
9953
9954   for (y = 0; y <= radius; y++)
9955   {
9956     int sx, sy, lx, ly;
9957
9958     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
9959
9960     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9961     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9962     lx = sx + level_xpos;
9963     ly = sy + level_ypos;
9964
9965     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9966       DrawLineElement(sx, sy, element, change_level);
9967   }
9968 }
9969
9970 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
9971                     int element, boolean change_level)
9972 {
9973   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9974   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9975
9976   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9977 }
9978
9979 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
9980
9981 #if DRAW_CIRCLES_BUTTON_AVAILABLE
9982 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
9983                        int element, boolean change_level)
9984 {
9985   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9986   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9987   int mirror_to_x2 = from_x - (to_x2 - from_x);
9988   int mirror_to_y2 = from_y - (to_y2 - from_y);
9989
9990   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9991   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
9992   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
9993   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
9994 }
9995 #endif
9996
9997 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
9998 {
9999   int from_sx, from_sy;
10000   int to_sx, to_sy;
10001
10002   if (from_x > to_x)
10003     swap_numbers(&from_x, &to_x);
10004
10005   if (from_y > to_y)
10006     swap_numbers(&from_y, &to_y);
10007
10008   from_sx = SX + from_x * MINI_TILEX;
10009   from_sy = SY + from_y * MINI_TILEY;
10010   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10011   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10012
10013   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10014   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10015   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10016   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10017
10018   if (from_x == to_x && from_y == to_y)
10019     MarkTileDirty(from_x/2, from_y/2);
10020   else
10021     redraw_mask |= REDRAW_FIELD;
10022 }
10023
10024 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10025                        int element, boolean change_level)
10026 {
10027   if (element == -1 || change_level)
10028     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10029   else
10030     DrawAreaBorder(from_x, from_y, to_x, to_y);
10031 }
10032
10033 /* values for CopyBrushExt() */
10034 #define CB_AREA_TO_BRUSH        0
10035 #define CB_BRUSH_TO_CURSOR      1
10036 #define CB_BRUSH_TO_LEVEL       2
10037 #define CB_DELETE_OLD_CURSOR    3
10038 #define CB_DUMP_BRUSH           4
10039 #define CB_DUMP_BRUSH_SMALL     5
10040
10041 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10042                          int button, int mode)
10043 {
10044   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10045   static int brush_width, brush_height;
10046   static int last_cursor_x = -1, last_cursor_y = -1;
10047   static boolean delete_old_brush;
10048   int new_element = BUTTON_ELEMENT(button);
10049   int x, y;
10050
10051   if (mode == CB_DUMP_BRUSH ||
10052       mode == CB_DUMP_BRUSH_SMALL)
10053   {
10054     if (!draw_with_brush)
10055     {
10056       Error(ERR_WARN, "no brush selected");
10057
10058       return;
10059     }
10060
10061     for (y = 0; y < brush_height; y++)
10062     {
10063       for (x = 0; x < brush_width; x++)
10064       {
10065         int element = brush_buffer[x][y];
10066         int element_mapped = element;
10067
10068         if (IS_CUSTOM_ELEMENT(element))
10069           element_mapped = EL_CUSTOM_START;
10070         else if (IS_GROUP_ELEMENT(element))
10071           element_mapped = EL_GROUP_START;
10072         else if (element >= NUM_FILE_ELEMENTS)
10073           element_mapped = EL_UNKNOWN;
10074
10075         printf("%c%03d", (mode == CB_DUMP_BRUSH ? '`' : '¸'), element_mapped);
10076       }
10077
10078       printf("\n");
10079     }
10080
10081     return;
10082   }
10083
10084   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10085     return;
10086
10087   if (mode == CB_AREA_TO_BRUSH)
10088   {
10089     int from_lx, from_ly;
10090
10091     if (from_x > to_x)
10092       swap_numbers(&from_x, &to_x);
10093
10094     if (from_y > to_y)
10095       swap_numbers(&from_y, &to_y);
10096
10097     brush_width = to_x - from_x + 1;
10098     brush_height = to_y - from_y + 1;
10099
10100     from_lx = from_x + level_xpos;
10101     from_ly = from_y + level_ypos;
10102
10103     for (y = 0; y < brush_height; y++)
10104     {
10105       for (x = 0; x < brush_width; x++)
10106       {
10107         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10108
10109         if (button != 1)
10110           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10111       }
10112     }
10113
10114     if (button != 1)
10115       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10116
10117     delete_old_brush = FALSE;
10118   }
10119   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10120            mode == CB_BRUSH_TO_LEVEL)
10121   {
10122     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10123     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10124     int cursor_from_x = cursor_x - brush_width / 2;
10125     int cursor_from_y = cursor_y - brush_height / 2;
10126     int border_from_x = cursor_x, border_from_y = cursor_y;
10127     int border_to_x = cursor_x, border_to_y = cursor_y;
10128
10129     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10130       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10131
10132     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10133         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10134     {
10135       delete_old_brush = FALSE;
10136       return;
10137     }
10138
10139     for (y = 0; y < brush_height; y++)
10140     {
10141       for (x = 0; x < brush_width; x++)
10142       {
10143         int sx = cursor_from_x + x;
10144         int sy = cursor_from_y + y;
10145         int lx = sx + level_xpos;
10146         int ly = sy + level_ypos;
10147         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10148         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10149                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10150                        brush_buffer[x][y] : new_element);
10151
10152         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10153         {
10154           if (sx < border_from_x)
10155             border_from_x = sx;
10156           else if (sx > border_to_x)
10157             border_to_x = sx;
10158           if (sy < border_from_y)
10159             border_from_y = sy;
10160           else if (sy > border_to_y)
10161             border_to_y = sy;
10162
10163           DrawLineElement(sx, sy, element, change_level);
10164         }
10165       }
10166     }
10167
10168     if (mode != CB_DELETE_OLD_CURSOR)
10169       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10170
10171     last_cursor_x = cursor_x;
10172     last_cursor_y = cursor_y;
10173     delete_old_brush = TRUE;
10174   }
10175 }
10176
10177 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10178                             int button)
10179 {
10180   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10181 }
10182
10183 static void CopyBrushToLevel(int x, int y, int button)
10184 {
10185   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10186 }
10187
10188 static void CopyBrushToCursor(int x, int y)
10189 {
10190   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10191 }
10192
10193 static void DeleteBrushFromCursor()
10194 {
10195   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10196 }
10197
10198 void DumpBrush()
10199 {
10200   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10201 }
10202
10203 void DumpBrush_Small()
10204 {
10205   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10206 }
10207
10208 static void FloodFill(int from_x, int from_y, int fill_element)
10209 {
10210   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10211 }
10212
10213 /* values for DrawLevelText() modes */
10214 #define TEXT_INIT               0
10215 #define TEXT_SETCURSOR          1
10216 #define TEXT_WRITECHAR          2
10217 #define TEXT_BACKSPACE          3
10218 #define TEXT_NEWLINE            4
10219 #define TEXT_END                5
10220 #define TEXT_QUERY_TYPING       6
10221
10222 static int DrawLevelText(int sx, int sy, char letter, int mode)
10223 {
10224   static short delete_buffer[MAX_LEV_FIELDX];
10225   static int start_sx;
10226   static int last_sx, last_sy;
10227   static boolean typing = FALSE;
10228   int letter_element = EL_CHAR_ASCII0 + letter;
10229   int lx = 0, ly = 0;
10230
10231   /* map lower case letters to upper case and convert special characters */
10232   if (letter >= 'a' && letter <= 'z')
10233     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10234   else if (letter == 'ä' || letter == 'Ä')
10235     letter_element = EL_CHAR_AUMLAUT;
10236   else if (letter == 'ö' || letter == 'Ö')
10237     letter_element = EL_CHAR_OUMLAUT;
10238   else if (letter == 'ü' || letter == 'Ü')
10239     letter_element = EL_CHAR_UUMLAUT;
10240   else if (letter == '^')
10241     letter_element = EL_CHAR_COPYRIGHT;
10242   else
10243     letter_element = EL_CHAR_ASCII0 + letter;
10244
10245   if (mode != TEXT_INIT)
10246   {
10247     if (!typing)
10248       return FALSE;
10249
10250     if (mode != TEXT_SETCURSOR)
10251     {
10252       sx = last_sx;
10253       sy = last_sy;
10254     }
10255
10256     lx = last_sx + level_xpos;
10257     ly = last_sy + level_ypos;
10258   }
10259
10260   switch (mode)
10261   {
10262     case TEXT_INIT:
10263       if (typing)
10264         DrawLevelText(0, 0, 0, TEXT_END);
10265
10266       typing = TRUE;
10267       start_sx = sx;
10268       last_sx = sx;
10269       last_sy = sy;
10270       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10271       break;
10272
10273     case TEXT_SETCURSOR:
10274       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10275       DrawAreaBorder(sx, sy, sx, sy);
10276       last_sx = sx;
10277       last_sy = sy;
10278       break;
10279
10280     case TEXT_WRITECHAR:
10281       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10282       {
10283         delete_buffer[sx - start_sx] = Feld[lx][ly];
10284         Feld[lx][ly] = letter_element;
10285
10286         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10287           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10288         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10289           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10290         else
10291           DrawLevelText(0, 0, 0, TEXT_END);
10292
10293         level.changed = TRUE;
10294       }
10295       break;
10296
10297     case TEXT_BACKSPACE:
10298       if (sx > start_sx)
10299       {
10300         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10301         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10302         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10303       }
10304       break;
10305
10306     case TEXT_NEWLINE:
10307       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10308         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10309       else
10310         DrawLevelText(0, 0, 0, TEXT_END);
10311       break;
10312
10313     case TEXT_END:
10314       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10315       DrawMiniElement(sx, sy, Feld[lx][ly]);
10316       typing = FALSE;
10317       break;
10318
10319     case TEXT_QUERY_TYPING:
10320       break;
10321
10322     default:
10323       break;
10324   }
10325
10326   return typing;
10327 }
10328
10329 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10330                           int element, boolean change_level)
10331 {
10332   int lx = sx + level_xpos;
10333   int ly = sy + level_ypos;
10334
10335   if (element == -1)
10336     DrawMiniElement(sx, sy, Feld[lx][ly]);
10337   else
10338     DrawAreaBorder(sx, sy, sx, sy);
10339 }
10340
10341 static void CheckLevelBorderElement(boolean redraw_playfield)
10342 {
10343   int last_border_element = BorderElement;
10344
10345   SetBorderElement();
10346
10347   if (redraw_playfield && BorderElement != last_border_element)
10348     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10349 }
10350
10351 static void CopyLevelToUndoBuffer(int mode)
10352 {
10353   static boolean accumulated_undo = FALSE;
10354   boolean new_undo_buffer_position = TRUE;
10355   int x, y;
10356
10357   switch (mode)
10358   {
10359     case UNDO_IMMEDIATE:
10360       accumulated_undo = FALSE;
10361       break;
10362
10363     case UNDO_ACCUMULATE:
10364       if (accumulated_undo)
10365         new_undo_buffer_position = FALSE;
10366       accumulated_undo = TRUE;
10367       break;
10368
10369     default:
10370       break;
10371   }
10372
10373   if (new_undo_buffer_position)
10374   {
10375     /* new position in undo buffer ring */
10376     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10377
10378     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10379       undo_buffer_steps++;
10380   }
10381
10382   for (x = 0; x < lev_fieldx; x++)
10383     for (y = 0; y < lev_fieldy; y++)
10384       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10385
10386   /* check if drawing operation forces change of border style */
10387   CheckLevelBorderElement(TRUE);
10388
10389   level.changed = TRUE;
10390 }
10391
10392 static void RandomPlacement(int new_element)
10393 {
10394   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10395   int num_free_positions = 0;
10396   int num_percentage, num_elements;
10397   int x, y;
10398
10399   ResetIntelliDraw();
10400
10401   /* determine number of free positions for randomly placing the new element */
10402   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10403   {
10404     free_position[x][y] =
10405       (random_placement_background_restricted ?
10406        Feld[x][y] == random_placement_background_element :
10407        Feld[x][y] != new_element);
10408
10409     if (free_position[x][y])
10410       num_free_positions++;
10411   }
10412
10413   /* determine number of new elements to place there */
10414   num_percentage = num_free_positions * random_placement_value / 100;
10415   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10416                   num_percentage : random_placement_value);
10417
10418   /* if less free positions than elements to place, fill all these positions */
10419   if (num_free_positions < num_elements)
10420   {
10421     for (x = 0; x < lev_fieldx; x++)
10422       for (y = 0; y < lev_fieldy; y++)
10423         if (free_position[x][y])
10424           SetElement(x, y, new_element);
10425   }
10426   else
10427   {
10428     while (num_elements > 0)
10429     {
10430       x = GetSimpleRandom(lev_fieldx);
10431       y = GetSimpleRandom(lev_fieldy);
10432
10433       /* don't place element at the same position twice */
10434       if (free_position[x][y])
10435       {
10436         free_position[x][y] = FALSE;
10437         SetElement(x, y, new_element);
10438         num_elements--;
10439       }
10440     }
10441   }
10442
10443   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10444   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10445 }
10446
10447 void WrapLevel(int dx, int dy)
10448 {
10449   int wrap_dx = lev_fieldx - dx;
10450   int wrap_dy = lev_fieldy - dy;
10451   int x, y;
10452
10453   for (x = 0; x < lev_fieldx; x++)
10454     for (y = 0; y < lev_fieldy; y++)
10455       FieldBackup[x][y] = Feld[x][y];
10456
10457   for (x = 0; x < lev_fieldx; x++)
10458     for (y = 0; y < lev_fieldy; y++)
10459       Feld[x][y] =
10460         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10461
10462   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10463   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10464 }
10465
10466 static void HandleDrawingAreas(struct GadgetInfo *gi)
10467 {
10468   static boolean started_inside_drawing_area = FALSE;
10469   int id = gi->custom_id;
10470   boolean button_press_event;
10471   boolean button_release_event;
10472   boolean inside_drawing_area = !gi->event.off_borders;
10473   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10474   int actual_drawing_function;
10475   int button = gi->event.button;
10476   int new_element = BUTTON_ELEMENT(button);
10477   int sx = gi->event.x, sy = gi->event.y;
10478   int min_sx = 0, min_sy = 0;
10479   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10480   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10481   int lx = 0, ly = 0;
10482   int min_lx = 0, min_ly = 0;
10483   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10484   int x, y;
10485
10486   /* handle info callback for each invocation of action callback */
10487   gi->callback_info(gi);
10488
10489   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10490   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10491
10492   /* make sure to stay inside drawing area boundaries */
10493   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10494   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10495
10496   if (draw_level)
10497   {
10498     /* get positions inside level field */
10499     lx = sx + level_xpos;
10500     ly = sy + level_ypos;
10501
10502     if (!IN_LEV_FIELD(lx, ly))
10503       inside_drawing_area = FALSE;
10504
10505     /* make sure to stay inside level field boundaries */
10506     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10507     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10508
10509     /* correct drawing area positions accordingly */
10510     sx = lx - level_xpos;
10511     sy = ly - level_ypos;
10512   }
10513
10514   if (button_press_event)
10515     started_inside_drawing_area = inside_drawing_area;
10516
10517   if (!started_inside_drawing_area)
10518     return;
10519
10520   if (!IS_VALID_BUTTON(button))
10521     return;
10522
10523   if (!button && !button_release_event)
10524     return;
10525
10526   /* automatically switch to 'single item' drawing mode, if needed */
10527   actual_drawing_function =
10528     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10529      drawing_function : GADGET_ID_SINGLE_ITEMS);
10530
10531   /* clicking into drawing area with pressed Control key picks element */
10532   if (GetKeyModState() & KMOD_Control)
10533   {
10534     last_drawing_function = drawing_function;
10535     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10536   }
10537
10538   if (GetKeyModState() & KMOD_Shift)
10539   {
10540     if (button_press_event || button_release_event)
10541       ResetIntelliDraw();
10542   }
10543
10544   switch (actual_drawing_function)
10545   {
10546     case GADGET_ID_SINGLE_ITEMS:
10547       if (draw_level)
10548       {
10549         if (button_release_event)
10550         {
10551           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10552
10553           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10554               !inside_drawing_area)
10555             DeleteBrushFromCursor();
10556         }
10557
10558         if (!button || button_release_event)
10559           break;
10560
10561         if (draw_with_brush)
10562         {
10563           CopyBrushToLevel(sx, sy, button);
10564         }
10565         else
10566         {
10567           if (new_element == EL_PLAYER_1)
10568           {
10569             /* remove player at old position */
10570             for (y = 0; y < lev_fieldy; y++)
10571               for (x = 0; x < lev_fieldx; x++)
10572                 if (Feld[x][y] == EL_PLAYER_1)
10573                   SetElement(x, y, EL_EMPTY);
10574           }
10575
10576           SetElementButton(lx, ly, new_element, button);
10577         }
10578       }
10579       else
10580       {
10581         int type_id = gi->custom_type_id;
10582         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10583
10584         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10585           DrawMiniGraphicExt(drawto,
10586                              gi->x + sx * MINI_TILEX,
10587                              gi->y + sy * MINI_TILEY,
10588                              el2edimg(new_element));
10589         else
10590           DrawFixedGraphicExt(drawto,
10591                               gi->x + sx * TILEX,
10592                               gi->y + sy * TILEY,
10593                               el2img(new_element), 0);
10594
10595         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10596           new_element = GFX_ELEMENT(new_element);
10597
10598         drawingarea_info[type_id].value[pos] = new_element;
10599
10600         CopyElementPropertiesToGame(properties_element);
10601
10602         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10603         {
10604           UpdateCustomElementGraphicGadgets();
10605
10606           FrameCounter = 0;     /* restart animation frame counter */
10607         }
10608       }
10609       break;
10610
10611     case GADGET_ID_CONNECTED_ITEMS:
10612       {
10613         static int last_sx = -1;
10614         static int last_sy = -1;
10615
10616         if (button_release_event)
10617           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10618
10619         if (button)
10620         {
10621           if (!button_press_event)
10622             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10623
10624           last_sx = sx;
10625           last_sy = sy;
10626         }
10627       }
10628       break;
10629
10630     case GADGET_ID_LINE:
10631     case GADGET_ID_ARC:
10632     case GADGET_ID_RECTANGLE:
10633     case GADGET_ID_FILLED_BOX:
10634     case GADGET_ID_GRAB_BRUSH:
10635     case GADGET_ID_TEXT:
10636       {
10637         static int last_sx = -1;
10638         static int last_sy = -1;
10639         static int start_sx = -1;
10640         static int start_sy = -1;
10641         void (*draw_func)(int, int, int, int, int, boolean);
10642
10643         if (drawing_function == GADGET_ID_LINE)
10644           draw_func = DrawLine;
10645         else if (drawing_function == GADGET_ID_ARC)
10646           draw_func = DrawArc;
10647         else if (drawing_function == GADGET_ID_RECTANGLE)
10648           draw_func = DrawBox;
10649         else if (drawing_function == GADGET_ID_FILLED_BOX)
10650           draw_func = DrawFilledBox;
10651         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10652           draw_func = SelectArea;
10653         else /* (drawing_function == GADGET_ID_TEXT) */
10654           draw_func = SetTextCursor;
10655
10656         if (button_press_event)
10657         {
10658           draw_func(sx, sy, sx, sy, new_element, FALSE);
10659           start_sx = last_sx = sx;
10660           start_sy = last_sy = sy;
10661
10662           if (drawing_function == GADGET_ID_TEXT)
10663             DrawLevelText(0, 0, 0, TEXT_END);
10664         }
10665         else if (button_release_event)
10666         {
10667           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10668           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10669           {
10670             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10671             CopyBrushToCursor(sx, sy);
10672             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10673                           MB_LEFTBUTTON);
10674             draw_with_brush = TRUE;
10675           }
10676           else if (drawing_function == GADGET_ID_TEXT)
10677             DrawLevelText(sx, sy, 0, TEXT_INIT);
10678           else
10679             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10680         }
10681         else if (last_sx != sx || last_sy != sy)
10682         {
10683           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10684           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10685           last_sx = sx;
10686           last_sy = sy;
10687         }
10688       }
10689       break;
10690
10691     case GADGET_ID_FLOOD_FILL:
10692       if (button_press_event && Feld[lx][ly] != new_element)
10693       {
10694         FloodFill(lx, ly, new_element);
10695         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10696         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10697       }
10698       break;
10699
10700     case GADGET_ID_PICK_ELEMENT:
10701       if (button_release_event)
10702         ClickOnGadget(level_editor_gadget[last_drawing_function],
10703                       MB_LEFTBUTTON);
10704       else if (draw_level)
10705         PickDrawingElement(button, Feld[lx][ly]);
10706       else
10707       {
10708         int type_id = gi->custom_type_id;
10709         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10710
10711         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10712       }
10713
10714       break;
10715
10716     default:
10717       break;
10718   }
10719 }
10720
10721 static void HandleCounterButtons(struct GadgetInfo *gi)
10722 {
10723   int gadget_id = gi->custom_id;
10724   int counter_id = gi->custom_type_id;
10725   int button = gi->event.button;
10726   int *counter_value = counterbutton_info[counter_id].value;
10727   int step = BUTTON_STEPSIZE(button) *
10728     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10729
10730   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10731   {
10732     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10733     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10734     boolean level_changed = LevelChanged();
10735
10736     if ((level_changed && pressed) || (!level_changed && released))
10737       return;
10738
10739     if (level_changed && !Request("Level has changed! Discard changes?",
10740                                   REQ_ASK))
10741     {
10742       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10743         ModifyEditorCounterValue(counter_id, *counter_value);
10744
10745       return;
10746     }
10747   }
10748
10749   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10750     *counter_value = gi->textinput.number_value;
10751   else
10752     ModifyEditorCounterValue(counter_id, *counter_value + step);
10753
10754   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10755   {
10756       LoadLevel(level_nr);
10757       LoadScore(level_nr);
10758
10759       TapeErase();
10760
10761       ResetUndoBuffer();
10762       DrawEditModeWindow();
10763
10764       return;
10765   }
10766
10767   switch (counter_id)
10768   {
10769     case ED_COUNTER_ID_YAMYAM_CONTENT:
10770       DrawYamYamContentAreas();
10771       break;
10772
10773     case ED_COUNTER_ID_BALL_CONTENT:
10774       DrawMagicBallContentAreas();
10775       break;
10776
10777     case ED_COUNTER_ID_ANDROID_CONTENT:
10778       DrawAndroidElementArea(properties_element);
10779       break;
10780
10781     case ED_COUNTER_ID_GROUP_CONTENT:
10782       DrawGroupElementArea(properties_element);
10783       CopyGroupElementPropertiesToGame(properties_element);
10784       break;
10785
10786     case ED_COUNTER_ID_INVENTORY_SIZE:
10787       DrawPlayerInitialInventoryArea(properties_element);
10788       break;
10789
10790     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10791     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10792       DrawEnvelopeTextArea(-1);
10793       break;
10794
10795     case ED_COUNTER_ID_LEVEL_XSIZE:
10796     case ED_COUNTER_ID_LEVEL_YSIZE:
10797       lev_fieldx = level.fieldx;
10798       lev_fieldy = level.fieldy;
10799       break;
10800
10801     default:
10802       break;
10803   }
10804
10805   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10806        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10807       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10808        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10809     CopyElementPropertiesToGame(properties_element);
10810
10811   level.changed = TRUE;
10812 }
10813
10814 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10815 {
10816   int type_id = gi->custom_type_id;
10817
10818   strcpy(textinput_info[type_id].value, gi->textinput.value);
10819
10820   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10821   {
10822     CopyElementPropertiesToGame(properties_element);
10823
10824     ModifyEditorElementList();  /* update changed button info text */
10825   }
10826
10827   level.changed = TRUE;
10828 }
10829
10830 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10831 {
10832   int type_id = gi->custom_type_id;
10833
10834   strncpy(textarea_info[type_id].value, gi->textarea.value,
10835           MAX_ENVELOPE_TEXT_LEN);
10836   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10837
10838   level.changed = TRUE;
10839 }
10840
10841 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10842 {
10843   int type_id = gi->custom_type_id;
10844   int value_old = *selectbox_info[type_id].value;
10845   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10846
10847   *selectbox_info[type_id].value = value_new;
10848
10849   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10850   {
10851     element_info[properties_element].current_change_page = gi->selectbox.index;
10852
10853     DrawPropertiesWindow();
10854   }
10855   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10856             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10857            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10858             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10859            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10860   {
10861     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10862     {
10863       /* when changing action type, also check action mode and action arg */
10864       if (value_old != value_new)
10865         setSelectboxSpecialActionVariablesIfNeeded();
10866
10867       DrawPropertiesChange();
10868     }
10869
10870     CopyElementPropertiesToGame(properties_element);
10871
10872     level.changed = TRUE;
10873   }
10874 }
10875
10876 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10877 {
10878   int type_id = gi->custom_type_id;
10879   int i;
10880
10881   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
10882       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
10883   {
10884     edit_mode_levelinfo = gi->custom_type_id;
10885
10886     DrawLevelInfoWindow();
10887   }
10888   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10889            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10890   {
10891     edit_mode_properties = gi->custom_type_id;
10892
10893     DrawPropertiesWindow();
10894   }
10895   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10896   {
10897     char *template_filename = getDefaultLevelFilename(-1);
10898     boolean new_template = !fileExists(template_filename);
10899
10900     /* backup original "level.field" (needed to track playfield changes) */
10901     CopyPlayfield(level.field, FieldBackup);
10902
10903     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
10904     CopyPlayfield(Feld, level.field);
10905
10906     if (new_template ||
10907         Request("Save this template and kill the old?", REQ_ASK))
10908       SaveLevelTemplate();
10909
10910     if (new_template)
10911       Request("Template saved!", REQ_CONFIRM);
10912
10913     /* restore original "level.field" (needed to track playfield changes) */
10914     CopyPlayfield(FieldBackup, level.field);
10915   }
10916   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10917            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10918   {
10919     struct ElementInfo *ei = &element_info[properties_element];
10920
10921     setElementChangePages(ei, ei->num_change_pages + 1);
10922
10923     /* set new change page to be new current change page */
10924     ei->current_change_page = ei->num_change_pages - 1;
10925     ei->change = &ei->change_page[ei->current_change_page];
10926
10927     setElementChangeInfoToDefaults(ei->change);
10928
10929     DrawPropertiesWindow();
10930
10931     level.changed = TRUE;
10932   }
10933   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10934            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10935   {
10936     struct ElementInfo *ei = &element_info[properties_element];
10937
10938     /* copy all change pages after change page to be deleted */
10939     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
10940       ei->change_page[i] = ei->change_page[i + 1];
10941
10942     setElementChangePages(ei, ei->num_change_pages - 1);
10943
10944     DrawPropertiesWindow();
10945
10946     level.changed = TRUE;
10947   }
10948 }
10949
10950 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
10951 {
10952   int type_id = gi->custom_type_id;
10953
10954   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
10955       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
10956   {
10957     struct ElementInfo *ei = &element_info[properties_element];
10958     int step = BUTTON_STEPSIZE(gi->event.button);
10959
10960     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
10961     ei->current_change_page += step;
10962
10963     if (ei->current_change_page < 0)
10964       ei->current_change_page = 0;
10965     else if (ei->current_change_page >= ei->num_change_pages)
10966       ei->current_change_page = ei->num_change_pages - 1;
10967
10968     DrawPropertiesWindow();
10969   }
10970   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
10971            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10972   {
10973     struct ElementInfo *ei = &element_info[properties_element];
10974     int current_change_page = ei->current_change_page;
10975
10976     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
10977       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
10978         ei->change_page[current_change_page];
10979     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10980     {
10981       ei->change_page[current_change_page] =
10982         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
10983
10984       level.changed = TRUE;
10985     }
10986
10987     DrawPropertiesWindow();
10988   }
10989 }
10990
10991 static void HandleRadiobuttons(struct GadgetInfo *gi)
10992 {
10993   *radiobutton_info[gi->custom_type_id].value =
10994     radiobutton_info[gi->custom_type_id].checked_value;
10995
10996   level.changed = TRUE;
10997 }
10998
10999 static void HandleCheckbuttons(struct GadgetInfo *gi)
11000 {
11001   int type_id = gi->custom_type_id;
11002
11003   *checkbutton_info[type_id].value ^= TRUE;
11004
11005   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11006       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11007       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11008       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11009          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11010         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11011          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11012        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11013   {
11014     CopyElementPropertiesToGame(properties_element);
11015   }
11016
11017   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11018   {
11019     UpdateCustomElementGraphicGadgets();
11020   }
11021   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11022   {
11023     char *template_filename = getDefaultLevelFilename(-1);
11024
11025     if (level.use_custom_template && !fileExists(template_filename))
11026     {
11027       Request("No level template found!", REQ_CONFIRM);
11028
11029       level.use_custom_template = FALSE;
11030       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11031
11032       return;
11033     }
11034
11035     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11036
11037     DrawEditModeWindow();
11038   }
11039
11040   level.changed = TRUE;
11041 }
11042
11043 static void HandleControlButtons(struct GadgetInfo *gi)
11044 {
11045   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11046   static int last_edit_mode = ED_MODE_DRAWING;
11047   static int last_custom_copy_mode = -1;
11048   int id = gi->custom_id;
11049   int button = gi->event.button;
11050   int step = BUTTON_STEPSIZE(button);
11051   int new_element = BUTTON_ELEMENT(button);
11052   int x, y;
11053
11054   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11055     DrawLevelText(0, 0, 0, TEXT_END);
11056
11057   if (id < ED_NUM_CTRL1_BUTTONS &&
11058       id != GADGET_ID_SINGLE_ITEMS &&
11059       id != GADGET_ID_PROPERTIES &&
11060       id != GADGET_ID_PICK_ELEMENT &&
11061       edit_mode != ED_MODE_DRAWING &&
11062       drawing_function != GADGET_ID_PICK_ELEMENT &&
11063       !(GetKeyModState() & KMOD_Control))
11064   {
11065     DrawDrawingWindow();
11066     edit_mode = ED_MODE_DRAWING;
11067   }
11068
11069   /* element copy mode active, but no element button pressed => deactivate */
11070   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11071     last_custom_copy_mode = -1;
11072
11073   switch (id)
11074   {
11075     case GADGET_ID_SCROLL_LEFT:
11076       if (level_xpos >= 0)
11077       {
11078         if (lev_fieldx < ed_fieldx - 2)
11079           break;
11080
11081         level_xpos -= step;
11082         if (level_xpos < -1)
11083           level_xpos = -1;
11084         if (button == 1)
11085           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11086         else
11087           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11088
11089         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11090                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11091       }
11092       break;
11093
11094     case GADGET_ID_SCROLL_RIGHT:
11095       if (level_xpos <= lev_fieldx - ed_fieldx)
11096       {
11097         if (lev_fieldx < ed_fieldx - 2)
11098           break;
11099
11100         level_xpos += step;
11101         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11102           level_xpos = lev_fieldx - ed_fieldx + 1;
11103         if (button == 1)
11104           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11105         else
11106           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11107
11108         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11109                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11110       }
11111       break;
11112
11113     case GADGET_ID_SCROLL_UP:
11114       if (level_ypos >= 0)
11115       {
11116         if (lev_fieldy < ed_fieldy - 2)
11117           break;
11118
11119         level_ypos -= step;
11120         if (level_ypos < -1)
11121           level_ypos = -1;
11122         if (button == 1)
11123           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11124         else
11125           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11126
11127         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11128                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11129       }
11130       break;
11131
11132     case GADGET_ID_SCROLL_DOWN:
11133       if (level_ypos <= lev_fieldy - ed_fieldy)
11134       {
11135         if (lev_fieldy < ed_fieldy - 2)
11136           break;
11137
11138         level_ypos += step;
11139         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11140           level_ypos = lev_fieldy - ed_fieldy + 1;
11141         if (button == 1)
11142           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11143         else
11144           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11145
11146         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11147                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11148       }
11149       break;
11150
11151     case GADGET_ID_SCROLL_HORIZONTAL:
11152       level_xpos = gi->event.item_position - 1;
11153       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11154       break;
11155
11156     case GADGET_ID_SCROLL_VERTICAL:
11157       level_ypos = gi->event.item_position - 1;
11158       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11159       break;
11160
11161     case GADGET_ID_SCROLL_LIST_UP:
11162     case GADGET_ID_SCROLL_LIST_DOWN:
11163     case GADGET_ID_SCROLL_LIST_VERTICAL:
11164       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11165         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11166       else
11167       {
11168         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11169         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11170
11171         if (element_shift < 0)
11172           element_shift = 0;
11173         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11174           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11175
11176         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11177                      GDI_SCROLLBAR_ITEM_POSITION,
11178                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11179       }
11180
11181       ModifyEditorElementList();
11182
11183       break;
11184
11185     case GADGET_ID_WRAP_LEFT:
11186       WrapLevel(-step, 0);
11187       break;
11188
11189     case GADGET_ID_WRAP_RIGHT:
11190       WrapLevel(step, 0);
11191       break;
11192
11193     case GADGET_ID_WRAP_UP:
11194       WrapLevel(0, -step);
11195       break;
11196
11197     case GADGET_ID_WRAP_DOWN:
11198       WrapLevel(0, step);
11199       break;
11200
11201     case GADGET_ID_SINGLE_ITEMS:
11202     case GADGET_ID_CONNECTED_ITEMS:
11203     case GADGET_ID_LINE:
11204     case GADGET_ID_ARC:
11205     case GADGET_ID_TEXT:
11206     case GADGET_ID_RECTANGLE:
11207     case GADGET_ID_FILLED_BOX:
11208     case GADGET_ID_FLOOD_FILL:
11209     case GADGET_ID_GRAB_BRUSH:
11210     case GADGET_ID_PICK_ELEMENT:
11211       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11212         last_drawing_function = drawing_function;
11213       drawing_function = id;
11214       draw_with_brush = FALSE;
11215       break;
11216
11217     case GADGET_ID_RANDOM_PLACEMENT:
11218       RandomPlacement(new_element);
11219       break;
11220
11221     case GADGET_ID_PROPERTIES:
11222       if (edit_mode != ED_MODE_PROPERTIES)
11223       {
11224         properties_element = new_element;
11225         DrawPropertiesWindow();
11226         edit_mode = ED_MODE_PROPERTIES;
11227
11228         last_level_drawing_function = drawing_function;
11229         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11230                       MB_LEFTBUTTON);
11231       }
11232       else
11233       {
11234         DrawDrawingWindow();
11235         edit_mode = ED_MODE_DRAWING;
11236
11237         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11238                       MB_LEFTBUTTON);
11239       }
11240       break;
11241
11242     case GADGET_ID_CUSTOM_COPY_FROM:
11243     case GADGET_ID_CUSTOM_COPY_TO:
11244     case GADGET_ID_CUSTOM_EXCHANGE:
11245       last_custom_copy_mode = id;
11246       last_drawing_function = drawing_function;
11247       break;
11248
11249     case GADGET_ID_CUSTOM_COPY:
11250       CopyCustomElement(properties_element, -1, id);
11251       break;
11252
11253     case GADGET_ID_CUSTOM_PASTE:
11254       CopyCustomElement(-1, properties_element, id);
11255       break;
11256
11257     case GADGET_ID_UNDO:
11258       if (undo_buffer_steps == 0)
11259       {
11260         Request("Undo buffer empty!", REQ_CONFIRM);
11261         break;
11262       }
11263
11264       if (edit_mode != ED_MODE_DRAWING)
11265       {
11266         DrawDrawingWindow();
11267         edit_mode = ED_MODE_DRAWING;
11268       }
11269
11270       undo_buffer_position =
11271         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11272       undo_buffer_steps--;
11273
11274       for (x = 0; x < lev_fieldx; x++)
11275         for (y = 0; y < lev_fieldy; y++)
11276           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11277
11278       /* check if undo operation forces change of border style */
11279       CheckLevelBorderElement(FALSE);
11280
11281       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11282
11283       break;
11284
11285     case GADGET_ID_INFO:
11286       if (edit_mode != ED_MODE_INFO)
11287       {
11288         last_edit_mode = edit_mode;
11289         edit_mode = ED_MODE_INFO;
11290
11291         DrawLevelInfoWindow();
11292       }
11293       else
11294       {
11295         edit_mode = last_edit_mode;
11296
11297         DrawEditModeWindow();
11298       }
11299       break;
11300
11301     case GADGET_ID_CLEAR:
11302       if (edit_mode != ED_MODE_DRAWING)
11303       {
11304         DrawDrawingWindow();
11305         edit_mode = ED_MODE_DRAWING;
11306       }
11307
11308       for (x = 0; x < MAX_LEV_FIELDX; x++)
11309         for (y = 0; y < MAX_LEV_FIELDY; y++)
11310           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11311
11312       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11313
11314       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11315       break;
11316
11317     case GADGET_ID_SAVE:
11318     {
11319       /* saving read-only levels into personal level set modifies global vars
11320          "leveldir_current" and "level_nr"; restore them after saving level */
11321       LevelDirTree *leveldir_former = leveldir_current;
11322       int level_nr_former = level_nr;
11323       char *level_filename;
11324       boolean new_level;
11325
11326       if (leveldir_current->readonly &&
11327           !PrepareSavingIntoPersonalLevelSet())
11328         break;
11329
11330       level_filename = getDefaultLevelFilename(level_nr);
11331       new_level = !fileExists(level_filename);
11332
11333       if (new_level ||
11334           Request("Save this level and kill the old?", REQ_ASK))
11335       {
11336         if (leveldir_former->readonly)
11337           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11338
11339         CopyPlayfield(Feld, level.field);
11340         SaveLevel(level_nr);
11341
11342         level.changed = FALSE;
11343
11344         if (new_level)
11345         {
11346           char level_saved_msg[64];
11347
11348           if (leveldir_former->readonly)
11349             sprintf(level_saved_msg,
11350                     "Level saved as level %d into personal level set!",
11351                     level_nr);
11352           else
11353             strcpy(level_saved_msg, "Level saved!");
11354
11355           Request(level_saved_msg, REQ_CONFIRM);
11356         }
11357       }
11358
11359       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11360       leveldir_current = leveldir_former;
11361       level_nr = level_nr_former;
11362
11363       break;
11364     }
11365
11366     case GADGET_ID_TEST:
11367       if (LevelChanged())
11368         level.game_version = GAME_VERSION_ACTUAL;
11369
11370       CopyPlayfield(level.field, FieldBackup);
11371       CopyPlayfield(Feld, level.field);
11372
11373       CopyNativeLevel_RND_to_Native(&level);
11374
11375       UnmapLevelEditorGadgets();
11376       UndrawSpecialEditorDoor();
11377
11378       CloseDoor(DOOR_CLOSE_ALL);
11379
11380       /* needed before playing if editor playfield area has different size */
11381       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11382
11383       redraw_mask = REDRAW_ALL;
11384
11385       level_editor_test_game = TRUE;
11386
11387       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11388
11389       break;
11390
11391     case GADGET_ID_EXIT:
11392       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11393       break;
11394
11395     default:
11396       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11397           id <= GADGET_ID_ELEMENTLIST_LAST)
11398       {
11399         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11400         int new_element = editor_elements[element_position + element_shift];
11401
11402         if (IS_EDITOR_CASCADE(new_element))
11403         {
11404           int i;
11405
11406           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11407           {
11408             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11409             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11410
11411             if (*cascade_element == new_element)
11412             {
11413               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11414               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11415
11416               /* update element selection list */
11417               ReinitializeElementList();
11418               ModifyEditorElementList();
11419
11420               /* update cascading gadget info text */
11421               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11422
11423               /* save current editor cascading state */
11424               SaveSetup_EditorCascade();
11425
11426               break;
11427             }
11428           }
11429
11430           break;
11431         }
11432
11433         if (last_custom_copy_mode != -1)
11434         {
11435           if (CopyCustomElement(properties_element, new_element,
11436                                 last_custom_copy_mode))
11437           {
11438             ClickOnGadget(level_editor_gadget[last_drawing_function],
11439                           MB_LEFTBUTTON);
11440
11441             last_custom_copy_mode = -1;
11442           }
11443
11444           break;
11445         }
11446
11447         PickDrawingElement(button, new_element);
11448
11449         if (!stick_element_properties_window &&
11450             drawing_function != GADGET_ID_PICK_ELEMENT &&
11451             !(GetKeyModState() & KMOD_Control))
11452         {
11453           properties_element = new_element;
11454           if (edit_mode == ED_MODE_PROPERTIES)
11455             DrawPropertiesWindow();
11456         }
11457
11458         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11459           ClickOnGadget(level_editor_gadget[last_drawing_function],
11460                         MB_LEFTBUTTON);
11461       }
11462 #ifdef DEBUG
11463       else if (gi->event.type == GD_EVENT_PRESSED)
11464         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11465       else if (gi->event.type == GD_EVENT_RELEASED)
11466         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11467       else if (gi->event.type == GD_EVENT_MOVING)
11468         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11469       else
11470         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11471 #endif
11472       break;
11473   }
11474 }
11475
11476 void HandleLevelEditorKeyInput(Key key)
11477 {
11478   char letter = getCharFromKey(key);
11479   int button = MB_LEFTBUTTON;
11480
11481   if (drawing_function == GADGET_ID_TEXT &&
11482       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11483   {
11484     if (letter)
11485       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11486     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11487       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11488     else if (key == KSYM_Return)
11489       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11490     else if (key == KSYM_Escape)
11491       DrawLevelText(0, 0, 0, TEXT_END);
11492   }
11493   else if (button_status == MB_RELEASED)
11494   {
11495     int id = GADGET_ID_NONE;
11496     int new_element_shift = element_shift;
11497     int i;
11498
11499     switch (key)
11500     {
11501       case KSYM_Left:
11502         id = GADGET_ID_SCROLL_LEFT;
11503         break;
11504       case KSYM_Right:
11505         id = GADGET_ID_SCROLL_RIGHT;
11506         break;
11507       case KSYM_Up:
11508         id = GADGET_ID_SCROLL_UP;
11509         break;
11510       case KSYM_Down:
11511         id = GADGET_ID_SCROLL_DOWN;
11512         break;
11513       case KSYM_Page_Up:
11514         id = GADGET_ID_SCROLL_LIST_UP;
11515         button = MB_RIGHTBUTTON;
11516         break;
11517       case KSYM_Page_Down:
11518         id = GADGET_ID_SCROLL_LIST_DOWN;
11519         button = MB_RIGHTBUTTON;
11520         break;
11521
11522       case KSYM_Home:
11523       case KSYM_End:
11524         element_shift = (key == KSYM_Home ? 0 :
11525                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11526
11527         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11528                      GDI_SCROLLBAR_ITEM_POSITION,
11529                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11530
11531         ModifyEditorElementList();
11532
11533         break;
11534
11535       case KSYM_Insert:
11536       case KSYM_Delete:
11537
11538         /* this is needed to prevent interference with running "True X-Mouse" */
11539         if (GetKeyModStateFromEvents() & KMOD_Control)
11540           break;
11541
11542         /* check for last or next editor cascade block in element list */
11543         for (i = 0; i < num_editor_elements; i++)
11544         {
11545           if ((key == KSYM_Insert && i == element_shift) ||
11546               (key == KSYM_Delete && new_element_shift > element_shift))
11547             break;
11548
11549           /* jump to next cascade block (or to start of element list) */
11550           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11551             new_element_shift = i;
11552         }
11553
11554         if (i < num_editor_elements)
11555           element_shift = new_element_shift;
11556
11557         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11558           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11559
11560         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11561                      GDI_SCROLLBAR_ITEM_POSITION,
11562                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11563
11564         ModifyEditorElementList();
11565
11566         break;
11567
11568       case KSYM_Escape:
11569         if (edit_mode == ED_MODE_DRAWING)
11570         {
11571           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11572         }
11573         else if (edit_mode == ED_MODE_INFO)
11574         {
11575           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11576         }
11577         else if (edit_mode == ED_MODE_PROPERTIES)
11578         {
11579           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11580         }
11581         else            /* should never happen */
11582         {
11583           DrawDrawingWindow();
11584           edit_mode = ED_MODE_DRAWING;
11585         }
11586
11587         break;
11588
11589       default:
11590         break;
11591     }
11592
11593     if (id != GADGET_ID_NONE)
11594       ClickOnGadget(level_editor_gadget[id], button);
11595     else if (letter == '.')
11596       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11597     else if (key == KSYM_Return ||
11598              key == KSYM_space ||
11599              key == setup.shortcut.toggle_pause)
11600       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11601     else
11602       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11603         if (letter && letter == control_info[i].shortcut)
11604           if (!anyTextGadgetActive())
11605             ClickOnGadget(level_editor_gadget[i], button);
11606   }
11607 }
11608
11609 void HandleLevelEditorIdle()
11610 {
11611   static unsigned int action_delay = 0;
11612   unsigned int action_delay_value = GameFrameDelay;
11613   int xpos = 1, ypos = 2;
11614   int i;
11615
11616   if (edit_mode != ED_MODE_PROPERTIES)
11617     return;
11618
11619   if (!DelayReached(&action_delay, action_delay_value))
11620     return;
11621
11622   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11623   {
11624     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11625
11626     if (gi->mapped && gi->active && gi->selectbox.open)
11627       return;
11628   }
11629
11630   DrawEditorElementAnimation(SX + xpos * TILEX,
11631                              SY + ypos * TILEY + MINI_TILEY / 2);
11632
11633   MarkTileDirty(xpos, ypos);
11634   MarkTileDirty(xpos, ypos + 1);
11635
11636   FrameCounter++;       /* increase animation frame counter */
11637 }
11638
11639 void ClearEditorGadgetInfoText()
11640 {
11641   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11642 }
11643
11644 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11645 {
11646   char infotext[MAX_OUTPUT_LINESIZE + 1];
11647   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11648   int max_infotext_len = getMaxInfoTextLength();
11649
11650   if (gi == NULL || gi->info_text == NULL)
11651     return;
11652
11653   strncpy(infotext, gi->info_text, max_infotext_len);
11654   infotext[max_infotext_len] = '\0';
11655
11656   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11657   {
11658     int key = control_info[gi->custom_id].shortcut;
11659
11660     if (key)
11661     {
11662       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11663         sprintf(shortcut, " ('.' or '%c')", key);
11664       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11665         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11666       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11667         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11668       else                                              /* normal case */
11669         sprintf(shortcut, " ('%s%c')",
11670                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11671
11672       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11673         strcat(infotext, shortcut);
11674     }
11675   }
11676
11677   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11678 }
11679
11680 void HandleEditorGadgetInfoText(void *ptr)
11681 {
11682   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11683
11684   if (game_status != GAME_MODE_EDITOR)
11685     return;
11686
11687   ClearEditorGadgetInfoText();
11688
11689   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11690     return;
11691
11692   /* misuse this function to delete brush cursor, if needed */
11693   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11694     DeleteBrushFromCursor();
11695
11696   PrintEditorGadgetInfoText(gi);
11697 }
11698
11699 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11700 {
11701   static int start_lx, start_ly;
11702   int id = gi->custom_id;
11703   int type_id = gi->custom_type_id;
11704   int sx = gi->event.x;
11705   int sy = gi->event.y;
11706   int lx = sx + level_xpos;
11707   int ly = sy + level_ypos;
11708   int min_sx = 0, min_sy = 0;
11709   int max_sx = gi->drawing.area_xsize - 1;
11710   int max_sy = gi->drawing.area_ysize - 1;
11711   int actual_drawing_function = drawing_function;
11712   int max_infotext_len = getMaxInfoTextLength();
11713   char infotext[MAX_OUTPUT_LINESIZE + 1];
11714   char *text;
11715
11716   infotext[0] = '\0';           /* start with empty info text */
11717
11718   /* pressed Control key: simulate picking element */
11719   if (GetKeyModState() & KMOD_Control)
11720     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11721
11722   ClearEditorGadgetInfoText();
11723
11724   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11725     return;
11726
11727   /* make sure to stay inside drawing area boundaries */
11728   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11729   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11730
11731   if (id == GADGET_ID_DRAWING_LEVEL)
11732   {
11733     if (button_status)
11734     {
11735       int min_lx = 0, min_ly = 0;
11736       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11737
11738       /* get positions inside level field */
11739       lx = sx + level_xpos;
11740       ly = sy + level_ypos;
11741
11742       /* make sure to stay inside level field boundaries */
11743       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11744       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11745
11746       /* correct drawing area positions accordingly */
11747       sx = lx - level_xpos;
11748       sy = ly - level_ypos;
11749     }
11750
11751     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11752     {
11753       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11754       {
11755         if (gi->event.type == GD_EVENT_PRESSED)
11756         {
11757           start_lx = lx;
11758           start_ly = ly;
11759         }
11760
11761         switch (actual_drawing_function)
11762         {
11763           case GADGET_ID_SINGLE_ITEMS:
11764             text = "Drawing single items";
11765             break;
11766           case GADGET_ID_CONNECTED_ITEMS:
11767             text = "Drawing connected items";
11768             break;
11769           case GADGET_ID_LINE:
11770             text = "Drawing line";
11771             break;
11772           case GADGET_ID_ARC:
11773             text = "Drawing arc";
11774             break;
11775           case GADGET_ID_TEXT:
11776             text = "Setting text cursor";
11777             break;
11778           case GADGET_ID_RECTANGLE:
11779             text = "Drawing rectangle";
11780             break;
11781           case GADGET_ID_FILLED_BOX:
11782             text = "Drawing filled box";
11783             break;
11784           case GADGET_ID_FLOOD_FILL:
11785             text = "Flood fill";
11786             break;
11787           case GADGET_ID_GRAB_BRUSH:
11788             text = "Grabbing brush";
11789             break;
11790           case GADGET_ID_PICK_ELEMENT:
11791             text = "Picking element";
11792             break;
11793
11794           default:
11795             text = "Drawing position";
11796             break;
11797         }
11798
11799         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11800           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11801         else
11802           sprintf(infotext, "%s: %d, %d", text,
11803                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11804       }
11805       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11806         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11807       else
11808         sprintf(infotext, "Level position: %d, %d", lx, ly);
11809     }
11810
11811     /* misuse this function to draw brush cursor, if needed */
11812     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11813     {
11814       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11815         CopyBrushToCursor(sx, sy);
11816       else
11817         DeleteBrushFromCursor();
11818     }
11819   }
11820   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11821   {
11822     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11823     int element = drawingarea_info[type_id].value[pos];
11824
11825     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11826   }
11827   else
11828   {
11829     if (id == GADGET_ID_CUSTOM_CONTENT)
11830       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11831     else if (id == GADGET_ID_GROUP_CONTENT)
11832       sprintf(infotext, "group element position: %d", sx + 1);
11833     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11834              id <= GADGET_ID_YAMYAM_CONTENT_7)
11835       sprintf(infotext, "content area %d position: %d, %d",
11836               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11837     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11838              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11839       sprintf(infotext, "content area %d position: %d, %d",
11840               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11841     else if (id == GADGET_ID_ANDROID_CONTENT)
11842       sprintf(infotext, "android element position: %d", sx + 1);
11843     else if (drawingarea_info[type_id].infotext != NULL)
11844       strcpy(infotext, drawingarea_info[type_id].infotext);
11845   }
11846
11847   infotext[max_infotext_len] = '\0';
11848
11849   if (strlen(infotext) > 0)
11850     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11851 }
11852
11853 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11854                             boolean quick_quit)
11855 {
11856   if (!ask_if_level_has_changed ||
11857       !LevelChanged() ||
11858       Request("Level has changed! Exit without saving?",
11859               REQ_ASK | REQ_STAY_OPEN))
11860   {
11861     SetDoorState(DOOR_CLOSE_2);
11862
11863     if (quick_quit)
11864       FadeSkipNextFadeIn();
11865
11866     game_status = GAME_MODE_MAIN;
11867
11868     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
11869   }
11870   else
11871   {
11872     if (!global.use_envelope_request)
11873     {
11874       CloseDoor(DOOR_CLOSE_1);
11875       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11876     }
11877   }
11878 }