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(CHAR_BYTE_COPYRIGHT),
4003   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4004   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4005   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4006
4007   EL_CHAR(CHAR_BYTE_DEGREE),
4008   EL_CHAR(CHAR_BYTE_REGISTERED),
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(CHAR_BYTE_COPYRIGHT),
4113   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4114   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4115   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4116
4117   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4118   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
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_SELECTBOX_CHAR_UNSELECTABLE, '[',
5790                       GDI_TEXT_SIZE, selectbox_info[i].size,
5791                       GDI_TEXT_FONT, FONT_INPUT_1,
5792                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5793                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5794                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5795                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5796                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5797                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5798                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5799                       GDI_EVENT_MASK, event_mask,
5800                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5801                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5802                       GDI_END);
5803
5804     if (gi == NULL)
5805       Error(ERR_EXIT, "cannot create gadget");
5806
5807     level_editor_gadget[id] = gi;
5808     right_gadget_border[id] =
5809       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5810   }
5811 }
5812
5813 static void CreateTextbuttonGadgets()
5814 {
5815   int max_infotext_len = getMaxInfoTextLength();
5816   int i;
5817
5818   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5819   {
5820     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5821     int gd_x1, gd_x2, gd_y1, gd_y2;
5822     struct GadgetInfo *gi;
5823     unsigned int event_mask;
5824     char infotext[MAX_OUTPUT_LINESIZE + 1];
5825     int id = textbutton_info[i].gadget_id;
5826     int x = SX + textbutton_info[i].x;
5827     int y = SY + textbutton_info[i].y;
5828
5829     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5830       textbutton_info[i].size = strlen(textbutton_info[i].text);
5831
5832     event_mask = GD_EVENT_RELEASED;
5833
5834     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5835         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5836     {
5837       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5838       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5839       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5840       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5841     }
5842     else
5843     {
5844       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5845       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5846       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5847       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5848     }
5849
5850     sprintf(infotext, "%s", textbutton_info[i].infotext);
5851     infotext[max_infotext_len] = '\0';
5852
5853     /* determine horizontal position to the right of specified gadget */
5854     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5855       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5856            ED_GADGET_TEXT_DISTANCE);
5857
5858     /* determine horizontal offset for leading text */
5859     if (textbutton_info[i].text_left != NULL)
5860       x += getTextWidthForGadget(textbutton_info[i].text_left);
5861
5862     gi = CreateGadget(GDI_CUSTOM_ID, id,
5863                       GDI_CUSTOM_TYPE_ID, i,
5864                       GDI_INFO_TEXT, infotext,
5865                       GDI_X, x,
5866                       GDI_Y, y,
5867                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5868                       GDI_TEXT_VALUE, textbutton_info[i].text,
5869                       GDI_TEXT_SIZE, textbutton_info[i].size,
5870                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5871                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5872                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5873                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5874                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5875                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5876                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5877                       GDI_DECORATION_SHIFTING, 1, 1,
5878                       GDI_EVENT_MASK, event_mask,
5879                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5880                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5881                       GDI_END);
5882
5883     if (gi == NULL)
5884       Error(ERR_EXIT, "cannot create gadget");
5885
5886     level_editor_gadget[id] = gi;
5887     right_gadget_border[id] =
5888       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5889   }
5890 }
5891
5892 static void CreateGraphicbuttonGadgets()
5893 {
5894   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5895   struct GadgetInfo *gi;
5896   unsigned int event_mask;
5897   int i;
5898
5899   /* create buttons for scrolling of drawing area and element list */
5900   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5901   {
5902     int id = graphicbutton_info[i].gadget_id;
5903     int gd_x1, gd_x2, gd_y1, gd_y2;
5904     int x = SX + graphicbutton_info[i].x;
5905     int y = SY + graphicbutton_info[i].y;
5906
5907     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5908
5909     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
5910     {
5911       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
5912       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5913       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
5914       gd_y2 = gd_y1;
5915     }
5916     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
5917     {
5918       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
5919       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
5920       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
5921       gd_y2 = gd_y1;
5922     }
5923
5924     /* determine horizontal position to the right of specified gadget */
5925     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5926       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
5927            ED_GADGET_TEXT_DISTANCE);
5928
5929     /* determine horizontal offset for leading text */
5930     if (graphicbutton_info[i].text_left != NULL)
5931       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
5932
5933     gi = CreateGadget(GDI_CUSTOM_ID, id,
5934                       GDI_CUSTOM_TYPE_ID, i,
5935                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
5936                       GDI_X, x,
5937                       GDI_Y, y,
5938                       GDI_WIDTH, graphicbutton_info[i].width,
5939                       GDI_HEIGHT, graphicbutton_info[i].height,
5940                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5941                       GDI_STATE, GD_BUTTON_UNPRESSED,
5942                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5943                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5944                       GDI_EVENT_MASK, event_mask,
5945                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5946                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
5947                       GDI_END);
5948
5949     if (gi == NULL)
5950       Error(ERR_EXIT, "cannot create gadget");
5951
5952     level_editor_gadget[id] = gi;
5953     right_gadget_border[id] =
5954       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
5955   }
5956 }
5957
5958 static void CreateScrollbarGadgets()
5959 {
5960   int i;
5961
5962   /* these values are not constant, but can change at runtime */
5963   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
5964     SX + ED_SCROLL_HORIZONTAL_XPOS;
5965   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
5966     SY + ED_SCROLL_HORIZONTAL_YPOS;
5967   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
5968     ED_SCROLL_HORIZONTAL_XSIZE;
5969   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
5970     ED_SCROLL_HORIZONTAL_YSIZE;
5971   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
5972   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
5973   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
5974   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
5975
5976   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
5977     SX + ED_SCROLL_VERTICAL_XPOS;
5978   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
5979     SY + ED_SCROLL_VERTICAL_YPOS;
5980   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
5981     ED_SCROLL_VERTICAL_XSIZE;
5982   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
5983     ED_SCROLL_VERTICAL_YSIZE;
5984   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
5985   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
5986   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
5987   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
5988
5989   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
5990     DX + ED_SCROLL2_VERTICAL_XPOS;
5991   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
5992     DY + ED_SCROLL2_VERTICAL_YPOS;
5993   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
5994     ED_SCROLL2_VERTICAL_XSIZE;
5995   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
5996     ED_SCROLL2_VERTICAL_YSIZE;
5997   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
5998   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
5999   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6000   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6001
6002   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6003   {
6004     int id = scrollbar_info[i].gadget_id;
6005     int graphic = scrollbar_info[i].graphic;
6006     struct GraphicInfo *gd = &graphic_info[graphic];
6007     Bitmap *gd_bitmap = gd->bitmap;
6008     int gd_x1, gd_x2, gd_y1, gd_y2;
6009     struct GadgetInfo *gi;
6010     int items_max, items_visible, item_position;
6011     unsigned int event_mask;
6012
6013     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6014     {
6015       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6016       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6017       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6018     }
6019     else        /* drawing area scrollbars */
6020     {
6021       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6022       {
6023         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6024         items_visible = ed_fieldx;
6025         item_position = 0;
6026       }
6027       else
6028       {
6029         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6030         items_visible = ed_fieldy;
6031         item_position = 0;
6032       }
6033     }
6034
6035     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6036
6037     gd_x1 = gd->src_x;
6038     gd_y1 = gd->src_y;
6039     gd_x2 = gd->src_x + gd->pressed_xoffset;
6040     gd_y2 = gd->src_y + gd->pressed_yoffset;
6041
6042     gi = CreateGadget(GDI_CUSTOM_ID, id,
6043                       GDI_CUSTOM_TYPE_ID, i,
6044                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6045                       GDI_X, scrollbar_pos[i].x,
6046                       GDI_Y, scrollbar_pos[i].y,
6047                       GDI_WIDTH, scrollbar_pos[i].width,
6048                       GDI_HEIGHT, scrollbar_pos[i].height,
6049                       GDI_TYPE, scrollbar_info[i].type,
6050                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6051                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6052                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6053                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6054                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6055                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6056                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6057                       GDI_STATE, GD_BUTTON_UNPRESSED,
6058                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6059                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6060                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6061                       GDI_EVENT_MASK, event_mask,
6062                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6063                       GDI_CALLBACK_ACTION, HandleControlButtons,
6064                       GDI_END);
6065
6066     if (gi == NULL)
6067       Error(ERR_EXIT, "cannot create gadget");
6068
6069     level_editor_gadget[id] = gi;
6070   }
6071 }
6072
6073 static void CreateCheckbuttonGadgets()
6074 {
6075   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6076   struct GadgetInfo *gi;
6077   unsigned int event_mask;
6078   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6079   int i;
6080
6081   event_mask = GD_EVENT_PRESSED;
6082
6083   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6084   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6085   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6086   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6087   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6088
6089   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6090   {
6091     int id = checkbutton_info[i].gadget_id;
6092     int x = SX + checkbutton_info[i].x;
6093     int y = SY + checkbutton_info[i].y;
6094
6095     if (id == GADGET_ID_STICK_ELEMENT)
6096       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6097     else
6098       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6099
6100     /* determine horizontal position to the right of specified gadget */
6101     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6102       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6103            ED_GADGET_TEXT_DISTANCE);
6104
6105     /* determine horizontal offset for leading text */
6106     if (checkbutton_info[i].text_left != NULL)
6107       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6108
6109     gi = CreateGadget(GDI_CUSTOM_ID, id,
6110                       GDI_CUSTOM_TYPE_ID, i,
6111                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6112                       GDI_X, x,
6113                       GDI_Y, y,
6114                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6115                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6116                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6117                       GDI_CHECKED, *checkbutton_info[i].value,
6118                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6119                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6120                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6121                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6122                       GDI_EVENT_MASK, event_mask,
6123                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6124                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6125                       GDI_END);
6126
6127     if (gi == NULL)
6128       Error(ERR_EXIT, "cannot create gadget");
6129
6130     level_editor_gadget[id] = gi;
6131     right_gadget_border[id] =
6132       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6133   }
6134 }
6135
6136 static void CreateRadiobuttonGadgets()
6137 {
6138   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6139   struct GadgetInfo *gi;
6140   unsigned int event_mask;
6141   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6142   int i;
6143
6144   event_mask = GD_EVENT_PRESSED;
6145
6146   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6147   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6148   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6149   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6150   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6151
6152   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6153   {
6154     int id = radiobutton_info[i].gadget_id;
6155     int x = SX + radiobutton_info[i].x;
6156     int y = SY + radiobutton_info[i].y;
6157
6158     int checked =
6159       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6160
6161     /* determine horizontal position to the right of specified gadget */
6162     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6163       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6164            ED_GADGET_TEXT_DISTANCE);
6165
6166     /* determine horizontal offset for leading text */
6167     if (radiobutton_info[i].text_left != NULL)
6168       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6169
6170     gi = CreateGadget(GDI_CUSTOM_ID, id,
6171                       GDI_CUSTOM_TYPE_ID, i,
6172                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6173                       GDI_X, x,
6174                       GDI_Y, y,
6175                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6176                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6177                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6178                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6179                       GDI_CHECKED, checked,
6180                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6181                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6182                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6183                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6184                       GDI_EVENT_MASK, event_mask,
6185                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6186                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6187                       GDI_END);
6188
6189     if (gi == NULL)
6190       Error(ERR_EXIT, "cannot create gadget");
6191
6192     level_editor_gadget[id] = gi;
6193     right_gadget_border[id] =
6194       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6195   }
6196 }
6197
6198 void CreateLevelEditorGadgets()
6199 {
6200   int old_game_status = game_status;
6201
6202   /* setting 'game_status' is needed to get the right fonts for the editor */
6203   game_status = GAME_MODE_EDITOR;
6204
6205   /* these values are not constant, but can change at runtime */
6206   ed_fieldx = MAX_ED_FIELDX - 1;
6207   ed_fieldy = MAX_ED_FIELDY - 1;
6208
6209   num_editor_gadgets = NUM_EDITOR_GADGETS;
6210
6211   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6212
6213   level_editor_gadget =
6214     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6215   right_gadget_border =
6216     checked_calloc(num_editor_gadgets * sizeof(int));
6217
6218   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6219   editor_el_empty_ptr = editor_el_empty;
6220
6221   ReinitializeElementList();
6222
6223   CreateControlButtons();
6224   CreateScrollbarGadgets();
6225
6226   /* order of function calls is important because of cross-references */
6227   CreateCheckbuttonGadgets();
6228   CreateCounterButtons();
6229   CreateRadiobuttonGadgets();
6230   CreateTextInputGadgets();
6231   CreateTextAreaGadgets();
6232   CreateSelectboxGadgets();
6233   CreateGraphicbuttonGadgets();
6234   CreateTextbuttonGadgets();
6235   CreateDrawingAreas();
6236
6237   game_status = old_game_status;
6238 }
6239
6240 void FreeLevelEditorGadgets()
6241 {
6242   int i;
6243
6244   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6245
6246   for (i = 0; i < num_editor_gadgets; i++)
6247   {
6248     FreeGadget(level_editor_gadget[i]);
6249
6250     level_editor_gadget[i] = NULL;
6251   }
6252
6253   checked_free(level_editor_gadget);
6254   checked_free(right_gadget_border);
6255
6256   checked_free(editor_el_empty);
6257 }
6258
6259 static void MapCounterButtons(int id)
6260 {
6261   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6262   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6263   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6264   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6265   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6266   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6267   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6268   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6269   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6270   int yoffset = ED_BORDER_SIZE;
6271   int x_left = gi_down->x - xoffset_left;
6272   int x_right;  /* set after gadget position was modified */
6273   int y_above = gi_down->y - yoffset_above;
6274   int x = gi_down->x;
6275   int y;        /* set after gadget position was modified */
6276
6277   /* counter limits must be changed first to prevent value truncation */
6278   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6279                             counterbutton_info[id].max_value);
6280
6281   /* right text position might have changed after setting position above */
6282   x_right = gi_up->x + gi_up->width + xoffset_right;
6283
6284   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6285
6286   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6287   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6288       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6289   {
6290     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6291     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6292     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6293   }
6294
6295   /* vertical position might have changed after setting position above */
6296   y = gi_up->y + yoffset;
6297
6298   if (counterbutton_info[id].text_above)
6299     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6300
6301   if (counterbutton_info[id].text_left)
6302     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6303
6304   if (counterbutton_info[id].text_right)
6305     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6306
6307   MapGadget(gi_down);
6308   MapGadget(gi_text);
6309   MapGadget(gi_up);
6310 }
6311
6312 static void MapControlButtons()
6313 {
6314   int counter_id;
6315   int i;
6316
6317   /* map toolbox buttons (excluding special CE toolbox buttons) */
6318   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6319     MapGadget(level_editor_gadget[i]);
6320
6321   /* map buttons to select elements */
6322   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6323     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6324   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6325   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6326   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6327
6328   /* map buttons to select level */
6329   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6330   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6331   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6332   MapCounterButtons(counter_id);
6333 }
6334
6335 static void MapDrawingArea(int id)
6336 {
6337   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6338   int area_xsize = gi->drawing.area_xsize;
6339   int area_ysize = gi->drawing.area_ysize;
6340   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6341   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6342   int x_left  = gi->x - xoffset_left;
6343   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6344   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6345   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6346   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6347
6348   if (drawingarea_info[id].text_left)
6349     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6350
6351   if (drawingarea_info[id].text_right)
6352     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6353
6354   if (drawingarea_info[id].text_below)
6355     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6356
6357   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6358   {
6359     DrawElementBorder(gi->x, gi->y,
6360                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6361
6362     DrawDrawingArea(id);
6363   }
6364
6365   MapGadget(gi);
6366 }
6367
6368 static void MapTextInputGadget(int id)
6369 {
6370   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6371   int xoffset_above = 0;
6372   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6373   int x_above = textinput_info[id].x + xoffset_above;
6374   int y_above = textinput_info[id].y + yoffset_above;
6375
6376   if (textinput_info[id].text_above)
6377     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6378
6379   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6380
6381   MapGadget(gi);
6382 }
6383
6384 static void MapTextAreaGadget(int id)
6385 {
6386   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6387   int xoffset_above = 0;
6388   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6389   int x_above = textarea_info[id].x + xoffset_above;
6390   int y_above = textarea_info[id].y + yoffset_above;
6391
6392   if (textarea_info[id].text_above)
6393     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6394
6395   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6396
6397   MapGadget(gi);
6398 }
6399
6400 static void MapSelectboxGadget(int id)
6401 {
6402   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6403   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6404   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6405   int yoffset = ED_BORDER_SIZE;
6406   int x_left = gi->x - xoffset_left;
6407   int x_right = gi->x + gi->width + xoffset_right;
6408   int y = gi->y + yoffset;
6409
6410   if (selectbox_info[id].text_left)
6411     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6412
6413   if (selectbox_info[id].text_right)
6414     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6415
6416   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6417
6418   MapGadget(gi);
6419 }
6420
6421 static void MapTextbuttonGadget(int id)
6422 {
6423   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6424   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6425   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6426   int yoffset = ED_BORDER_SIZE;
6427   int x_left = gi->x - xoffset_left;
6428   int x_right = gi->x + gi->width + xoffset_right;
6429   int y = gi->y + yoffset;
6430
6431   /* only show button to delete change pages when more than minimum pages */
6432   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6433       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6434     return;
6435
6436   if (textbutton_info[id].text_left)
6437     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6438
6439   if (textbutton_info[id].text_right)
6440     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6441
6442   MapGadget(gi);
6443 }
6444
6445 static void MapGraphicbuttonGadget(int id)
6446 {
6447   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6448   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6449   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6450   int yoffset = ED_BORDER_SIZE;
6451   int x_left = gi->x - xoffset_left;
6452   int x_right = gi->x + gi->width + xoffset_right;
6453   int y = gi->y + yoffset;
6454
6455   if (graphicbutton_info[id].text_left)
6456     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6457
6458   if (graphicbutton_info[id].text_right)
6459     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6460
6461   MapGadget(gi);
6462 }
6463
6464 static void MapRadiobuttonGadget(int id)
6465 {
6466   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6467   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6468   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6469   int yoffset = ED_BORDER_SIZE;
6470   int x_left = gi->x - xoffset_left;
6471   int x_right = gi->x + gi->width + xoffset_right;
6472   int y = gi->y + yoffset;
6473   boolean checked =
6474     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6475
6476   if (radiobutton_info[id].text_left)
6477     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6478
6479   if (radiobutton_info[id].text_right)
6480     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6481
6482   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6483
6484   MapGadget(gi);
6485 }
6486
6487 static void MapCheckbuttonGadget(int id)
6488 {
6489   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6490   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6491   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6492   int yoffset = ED_BORDER_SIZE;
6493   int x_left, x_right, y;       /* set after gadget position was modified */
6494
6495   /* set position for gadgets with dynamically determined position */
6496   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6497     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6498   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6499
6500   x_left = gi->x - xoffset_left;
6501   x_right = gi->x + gi->width + xoffset_right;
6502   y = gi->y + yoffset;
6503
6504   if (checkbutton_info[id].text_left)
6505     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6506
6507   if (checkbutton_info[id].text_right)
6508     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6509
6510   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6511
6512   MapGadget(gi);
6513 }
6514
6515 static void MapMainDrawingArea()
6516 {
6517   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6518   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6519   int i;
6520
6521   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6522   {
6523     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6524           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6525          no_horizontal_scrollbar) ||
6526         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6527           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6528          no_vertical_scrollbar))
6529       continue;
6530
6531     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6532   }
6533
6534   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6535   {
6536     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6537         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6538       continue;
6539
6540     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6541   }
6542
6543   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6544 }
6545
6546 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6547 {
6548   int i;
6549
6550   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6551   {
6552     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6553         i == GADGET_ID_CUSTOM_COPY_TO ||
6554         i == GADGET_ID_CUSTOM_EXCHANGE ||
6555         i == GADGET_ID_CUSTOM_COPY ||
6556         i == GADGET_ID_CUSTOM_PASTE)
6557     {
6558       if (map)
6559         MapGadget(level_editor_gadget[i]);
6560       else
6561         UnmapGadget(level_editor_gadget[i]);
6562     }
6563   }
6564 }
6565
6566 static void MapLevelEditorToolboxCustomGadgets()
6567 {
6568   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6569 }
6570
6571 static void UnmapLevelEditorToolboxCustomGadgets()
6572 {
6573   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6574 }
6575
6576 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6577 {
6578   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6579   int i;
6580
6581   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6582   {
6583     if (i != GADGET_ID_SINGLE_ITEMS &&
6584         i != GADGET_ID_PROPERTIES &&
6585         i != GADGET_ID_PICK_ELEMENT)
6586     {
6587       struct GadgetInfo *gi = level_editor_gadget[i];
6588
6589       if (map)
6590         MapGadget(gi);
6591       else
6592       {
6593         UnmapGadget(gi);
6594
6595         BlitBitmap(gd_bitmap, drawto,
6596                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
6597                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
6598                    gi->width, gi->height, gi->x, gi->y);
6599
6600         redraw_mask |= REDRAW_DOOR_3;
6601       }
6602     }
6603   }
6604 }
6605
6606 static void MapLevelEditorToolboxDrawingGadgets()
6607 {
6608   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6609 }
6610
6611 static void UnmapLevelEditorToolboxDrawingGadgets()
6612 {
6613   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6614 }
6615
6616 static void UnmapDrawingArea(int id)
6617 {
6618   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6619 }
6620
6621 static void UnmapLevelEditorFieldGadgets()
6622 {
6623   int i;
6624
6625   for (i = 0; i < num_editor_gadgets; i++)
6626     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6627                           level_editor_gadget[i]->y))
6628       UnmapGadget(level_editor_gadget[i]);
6629 }
6630
6631 void UnmapLevelEditorGadgets()
6632 {
6633   int i;
6634
6635   for (i = 0; i < num_editor_gadgets; i++)
6636     UnmapGadget(level_editor_gadget[i]);
6637 }
6638
6639 static void ResetUndoBuffer()
6640 {
6641   undo_buffer_position = -1;
6642   undo_buffer_steps = -1;
6643   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6644
6645   level.changed = FALSE;
6646 }
6647
6648 static void DrawEditModeWindow()
6649 {
6650   ModifyEditorElementList();
6651   RedrawDrawingElements();
6652
6653   if (edit_mode == ED_MODE_INFO)
6654     DrawLevelInfoWindow();
6655   else if (edit_mode == ED_MODE_PROPERTIES)
6656     DrawPropertiesWindow();
6657   else  /* edit_mode == ED_MODE_DRAWING */
6658     DrawDrawingWindow();
6659 }
6660
6661 static boolean LevelChanged()
6662 {
6663   boolean field_changed = FALSE;
6664   int x, y;
6665
6666   for (y = 0; y < lev_fieldy; y++)
6667     for (x = 0; x < lev_fieldx; x++)
6668       if (Feld[x][y] != level.field[x][y])
6669         field_changed = TRUE;
6670
6671   return (level.changed || field_changed);
6672 }
6673
6674 static boolean PrepareSavingIntoPersonalLevelSet()
6675 {
6676   static LevelDirTree *last_copied_leveldir = NULL;
6677   static LevelDirTree *last_written_leveldir = NULL;
6678   static int last_copied_level_nr = -1;
6679   static int last_written_level_nr = -1;
6680   LevelDirTree *leveldir_former = leveldir_current;
6681   int level_nr_former = level_nr;
6682   int new_level_nr;
6683
6684   // remember last mod/save so that for current session, we write
6685   // back to the same personal copy, asking only about overwrite.
6686   if (leveldir_current == last_copied_leveldir &&
6687       level_nr == last_copied_level_nr)
6688   {
6689     // "cd" to personal level set dir (as used when writing last copy)
6690     leveldir_current = last_written_leveldir;
6691     level_nr = last_written_level_nr;
6692
6693     return TRUE;
6694   }
6695
6696   if (!Request("This level is read only! "
6697                "Save into personal level set?", REQ_ASK))
6698     return FALSE;
6699
6700   // "cd" to personal level set dir (for writing copy the first time)
6701   leveldir_current =
6702     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6703
6704   // find unused level number
6705   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6706   {
6707     static char *level_filename = NULL;
6708
6709     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6710
6711     if (!fileExists(level_filename))
6712       break;
6713   }
6714
6715   last_copied_leveldir = leveldir_former;
6716   last_copied_level_nr = level_nr_former;
6717
6718   last_written_leveldir = leveldir_current;
6719   last_written_level_nr = level_nr = new_level_nr;
6720
6721   return TRUE;
6722 }
6723
6724 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6725 {
6726   static char *filename_levelinfo = NULL, *mod_name = NULL;
6727   FILE *file;
6728
6729   // annotate this copy-and-mod in personal levelinfo.conf
6730   setString(&filename_levelinfo,
6731             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6732
6733   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6734   {
6735     fprintf(file, "\n");
6736     fprintf(file, "# level %d was modified from:\n", level_nr);
6737     fprintf(file, "# - previous level set name:    %s\n",
6738             former_name);
6739     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6740             level.file_info.nr, level.name);
6741     fprintf(file, "# - previous author:            %s\n",
6742             level.author);
6743     fprintf(file, "# - previous save date:         ");
6744
6745     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6746     {
6747       fprintf(file, "%04d-%02d-%02d\n",
6748               level.creation_date.year,
6749               level.creation_date.month,
6750               level.creation_date.day);
6751     }
6752     else
6753     {
6754       fprintf(file, "not recorded\n");
6755     }
6756
6757     fclose(file);
6758   }
6759
6760   if (level_nr > leveldir_current->last_level)
6761   {
6762     static char *temp_levelinfo = NULL;
6763     FILE *temp_file = NULL;
6764     char line[MAX_LINE_LEN];
6765
6766     setString(&temp_levelinfo,
6767               getPath2(getCurrentLevelDir(),
6768                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6769
6770     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6771         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6772     {
6773       while (fgets(line, MAX_LINE_LEN, file))
6774       {
6775         if (!strPrefix(line, "levels:"))
6776           fputs(line, temp_file);
6777         else
6778           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6779       }
6780     }
6781
6782     if (temp_file)
6783       fclose(temp_file);
6784
6785     if (file)
6786       fclose(file);
6787
6788     // needs error handling; also, ok on dos/win?
6789     unlink(filename_levelinfo);
6790     rename(temp_levelinfo, filename_levelinfo);
6791   }
6792
6793   // else: allow the save even if annotation failed
6794
6795   // now... spray graffiti on the old level vital statistics
6796   // user can change these; just trying to set a good baseline
6797
6798   // don't truncate names for fear of making offensive or silly:
6799   // long-named original author only recorded in levelinfo.conf.
6800   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6801   if (!strEqual(level.author, leveldir_current->author))
6802   {
6803     setString(&mod_name, getStringCat3(leveldir_current->author,
6804                                        " after ", level.author));
6805
6806     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6807       setString(&mod_name,
6808                 getStringCat2(leveldir_current->author, " (ed.)"));
6809
6810     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6811       setString(&mod_name, leveldir_current->author);
6812
6813     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6814
6815     // less worried about truncation here
6816     setString(&mod_name, getStringCat2("Mod: ", level.name));
6817     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6818   }
6819 }
6820
6821 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6822                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6823 {
6824   int x, y;
6825
6826   for (x = 0; x < lev_fieldx; x++)
6827     for (y = 0; y < lev_fieldy; y++)
6828       dst[x][y] = src[x][y];
6829 }
6830
6831 static int setSelectboxValue(int selectbox_id, int new_value)
6832 {
6833   int new_index_value = 0;
6834   int i;
6835
6836   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6837     if (selectbox_info[selectbox_id].options[i].value == new_value)
6838       new_index_value = i;
6839
6840   *selectbox_info[selectbox_id].value =
6841     selectbox_info[selectbox_id].options[new_index_value].value;
6842
6843   return new_index_value;
6844 }
6845
6846 static void setSelectboxSpecialActionVariablesIfNeeded()
6847 {
6848   int i;
6849
6850   /* change action mode and arg variables according to action type variable */
6851   for (i = 0; action_arg_options[i].value != -1; i++)
6852   {
6853     if (action_arg_options[i].value == custom_element_change.action_type)
6854     {
6855       int mode = action_arg_options[i].mode;
6856
6857       /* only change if corresponding selectbox has changed */
6858       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6859           action_arg_modes[mode])
6860         custom_element_change.action_mode = -1;
6861
6862       /* only change if corresponding selectbox has changed */
6863       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6864           action_arg_options[i].options)
6865         custom_element_change.action_arg = -1;
6866
6867       break;
6868     }
6869   }
6870 }
6871
6872 static void setSelectboxSpecialActionOptions()
6873 {
6874   int i;
6875
6876   /* change action mode and arg selectbox according to action type selectbox */
6877   for (i = 0; action_arg_options[i].value != -1; i++)
6878   {
6879     if (action_arg_options[i].value == custom_element_change.action_type)
6880     {
6881       int mode = action_arg_options[i].mode;
6882
6883       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6884                                    action_arg_modes[mode]);
6885       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6886                                  custom_element_change.action_mode);
6887
6888       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6889                                    action_arg_options[i].options);
6890       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6891                                  custom_element_change.action_arg);
6892       break;
6893     }
6894   }
6895 }
6896
6897 static void copy_custom_element_settings(int element_from, int element_to)
6898 {
6899   struct ElementInfo *ei_from = &element_info[element_from];
6900   struct ElementInfo *ei_to = &element_info[element_to];
6901
6902   copyElementInfo(ei_from, ei_to);
6903 }
6904
6905 static void replace_custom_element_in_settings(int element_from,
6906                                                int element_to)
6907 {
6908   int i, j, x, y;
6909
6910   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6911   {
6912     struct ElementInfo *ei = &element_info[i];
6913
6914     for (y = 0; y < 3; y++)
6915       for (x = 0; x < 3; x++)
6916         if (ei->content.e[x][y] == element_from)
6917           ei->content.e[x][y] = element_to;
6918
6919     for (j = 0; j < ei->num_change_pages; j++)
6920     {
6921       struct ElementChangeInfo *change = &ei->change_page[j];
6922
6923       if (change->target_element == element_from)
6924         change->target_element = element_to;
6925
6926       if (change->initial_trigger_element == element_from)
6927         change->initial_trigger_element = element_to;
6928
6929       if (change->action_element == element_from)
6930         change->action_element = element_to;
6931
6932       for (y = 0; y < 3; y++)
6933         for (x = 0; x < 3; x++)
6934           if (change->target_content.e[x][y] == element_from)
6935             change->target_content.e[x][y] = element_to;
6936     }
6937
6938     if (ei->group != NULL)                              /* group or internal */
6939       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
6940         if (ei->group->element[j] == element_from)
6941           ei->group->element[j] = element_to;
6942   }
6943 }
6944
6945 static void replace_custom_element_in_playfield(int element_from,
6946                                                 int element_to)
6947 {
6948   int x, y;
6949
6950   for (x = 0; x < lev_fieldx; x++)
6951     for (y = 0; y < lev_fieldy; y++)
6952       if (Feld[x][y] == element_from)
6953         Feld[x][y] = element_to;
6954 }
6955
6956 static boolean CopyCustomElement(int element_old, int element_new,
6957                                  int copy_mode)
6958 {
6959   if (copy_mode == GADGET_ID_CUSTOM_COPY)
6960   {
6961     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
6962                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6963     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6964   }
6965   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
6966   {
6967     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
6968                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
6969     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
6970
6971     level.changed = TRUE;
6972   }
6973   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
6974   {
6975     Request("Please choose custom element!", REQ_CONFIRM);
6976
6977     return FALSE;
6978   }
6979   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
6980   {
6981     Request("Please choose group element!", REQ_CONFIRM);
6982
6983     return FALSE;
6984   }
6985   else
6986   {
6987     level.changed = TRUE;
6988   }
6989
6990   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
6991   {
6992     copy_custom_element_settings(element_new, element_old);
6993   }
6994   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
6995   {
6996     copy_custom_element_settings(element_old, element_new);
6997   }
6998   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
6999   {
7000     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7001     copy_custom_element_settings(element_new, element_old);
7002     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7003
7004     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7005     replace_custom_element_in_settings(element_new, element_old);
7006     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7007
7008     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7009     replace_custom_element_in_playfield(element_new, element_old);
7010     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7011   }
7012
7013   UpdateCustomElementGraphicGadgets();
7014   DrawPropertiesWindow();
7015
7016   return TRUE;
7017 }
7018
7019 static void CopyCustomElementPropertiesToEditor(int element)
7020 {
7021   int i;
7022   int current_change_page = element_info[element].current_change_page;
7023
7024   /* dynamically (re)build selectbox for selecting change page */
7025   for (i = 0; i < element_info[element].num_change_pages; i++)
7026   {
7027     sprintf(options_change_page_strings[i], "%d", i + 1);
7028
7029     options_change_page[i].value = i;
7030     options_change_page[i].text = options_change_page_strings[i];
7031   }
7032
7033   options_change_page[i].value = -1;
7034   options_change_page[i].text = NULL;
7035
7036   /* needed here to initialize combined element properties */
7037   InitElementPropertiesEngine(level.game_version);
7038
7039   element_info[element].change =
7040     &element_info[element].change_page[current_change_page];
7041
7042   custom_element = element_info[element];
7043   custom_element_change = *element_info[element].change;
7044
7045   /* needed to initially set selectbox options for special action options */
7046   setSelectboxSpecialActionOptions();
7047
7048   /* needed to initially set selectbox value variables to reliable defaults */
7049   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7050     setSelectboxValue(i, *selectbox_info[i].value);
7051
7052   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7053     custom_element_properties[i] = HAS_PROPERTY(element, i);
7054
7055   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7056     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7057
7058   /* ---------- element settings: configure (custom elements) ------------- */
7059
7060   /* set accessible layer selectbox help value */
7061   custom_element.access_type =
7062     (IS_WALKABLE(element) ? EP_WALKABLE :
7063      IS_PASSABLE(element) ? EP_PASSABLE :
7064      custom_element.access_type);
7065   custom_element.access_layer =
7066     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7067      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7068      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7069      custom_element.access_layer);
7070   custom_element.access_protected =
7071     (IS_PROTECTED(element) ? 1 : 0);
7072   custom_element_properties[EP_ACCESSIBLE] =
7073     (IS_ACCESSIBLE_OVER(element) ||
7074      IS_ACCESSIBLE_INSIDE(element) ||
7075      IS_ACCESSIBLE_UNDER(element));
7076
7077   /* set walk-to-object action selectbox help value */
7078   custom_element.walk_to_action =
7079     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7080      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7081      IS_DROPPABLE(element) ? EP_DROPPABLE :
7082      IS_THROWABLE(element) ? EP_THROWABLE :
7083      IS_PUSHABLE(element) ? EP_PUSHABLE :
7084      custom_element.walk_to_action);
7085   custom_element_properties[EP_WALK_TO_OBJECT] =
7086     (IS_DIGGABLE(element) ||
7087      IS_COLLECTIBLE_ONLY(element) ||
7088      IS_DROPPABLE(element) ||
7089      IS_THROWABLE(element) ||
7090      IS_PUSHABLE(element));
7091
7092   /* set smash targets selectbox help value */
7093   custom_element.smash_targets =
7094     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7095      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7096      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7097      custom_element.smash_targets);
7098   custom_element_properties[EP_CAN_SMASH] =
7099     (CAN_SMASH_EVERYTHING(element) ||
7100      CAN_SMASH_ENEMIES(element) ||
7101      CAN_SMASH_PLAYER(element));
7102
7103   /* set deadliness selectbox help value */
7104   custom_element.deadliness =
7105     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7106      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7107      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7108      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7109      custom_element.deadliness);
7110   custom_element_properties[EP_DEADLY] =
7111     (DONT_TOUCH(element) ||
7112      DONT_GET_HIT_BY(element) ||
7113      DONT_COLLIDE_WITH(element) ||
7114      DONT_RUN_INTO(element));
7115
7116   /* ---------- element settings: advanced (custom elements) --------------- */
7117
7118   /* set "change by direct action" selectbox help value */
7119   custom_element_change.direct_action =
7120     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7121      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7122      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7123      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7124      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7125      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7126      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7127      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7128      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7129      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7130      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7131      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7132      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7133      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7134      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7135      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7136      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7137      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7138      custom_element_change.direct_action);
7139
7140   /* set "change by other element action" selectbox help value */
7141   custom_element_change.other_action =
7142     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7143      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7144      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7145      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7146      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7147      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7148      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7149      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7150      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7151      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7152      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7153      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7154      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7155      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7156      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7157      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7158      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7159      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7160      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7161      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7162      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7163      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7164      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7165      custom_element_change.other_action);
7166 }
7167
7168 static void CopyGroupElementPropertiesToEditor(int element)
7169 {
7170   group_element_info = *element_info[element].group;
7171   custom_element = element_info[element];       /* needed for description */
7172 }
7173
7174 static void CopyClassicElementPropertiesToEditor(int element)
7175 {
7176   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7177     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7178       getMoveIntoAcidProperty(&level, element);
7179
7180   if (MAYBE_DONT_COLLIDE_WITH(element))
7181     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7182       getDontCollideWithProperty(&level, element);
7183 }
7184
7185 static void CopyElementPropertiesToEditor(int element)
7186 {
7187   if (IS_CUSTOM_ELEMENT(element))
7188     CopyCustomElementPropertiesToEditor(element);
7189   else if (IS_GROUP_ELEMENT(element))
7190     CopyGroupElementPropertiesToEditor(element);
7191   else
7192     CopyClassicElementPropertiesToEditor(element);
7193 }
7194
7195 static void CopyCustomElementPropertiesToGame(int element)
7196 {
7197   int i;
7198   int access_type_and_layer;
7199
7200   /* mark that this custom element has been modified */
7201   custom_element.modified_settings = TRUE;
7202   level.changed = TRUE;
7203
7204   if (level.use_custom_template)
7205   {
7206     if (Request("Copy and modify level template?", REQ_ASK))
7207     {
7208       level.use_custom_template = FALSE;
7209       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7210                    GDI_CHECKED, FALSE, GDI_END);
7211     }
7212     else
7213     {
7214       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7215
7216       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7217     }
7218   }
7219
7220   element_info[element] = custom_element;
7221   *element_info[element].change = custom_element_change;
7222
7223   /* ---------- element settings: configure (custom elements) ------------- */
7224
7225   /* set accessible property from checkbox and selectbox */
7226   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7227   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7228   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7229   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7230   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7231   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7232   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7233                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7234                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7235   custom_element_properties[access_type_and_layer] =
7236     custom_element_properties[EP_ACCESSIBLE];
7237   custom_element_properties[EP_PROTECTED] =
7238     (custom_element.access_protected != 0 &&
7239      custom_element_properties[EP_ACCESSIBLE]);
7240
7241   /* set walk-to-object property from checkbox and selectbox */
7242   custom_element_properties[EP_DIGGABLE] = FALSE;
7243   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7244   custom_element_properties[EP_DROPPABLE] = FALSE;
7245   custom_element_properties[EP_THROWABLE] = FALSE;
7246   custom_element_properties[EP_PUSHABLE] = FALSE;
7247   custom_element_properties[custom_element.walk_to_action] =
7248     custom_element_properties[EP_WALK_TO_OBJECT];
7249
7250   /* set smash property from checkbox and selectbox */
7251   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7252   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7253   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7254   custom_element_properties[custom_element.smash_targets] =
7255     custom_element_properties[EP_CAN_SMASH];
7256
7257   /* set deadliness property from checkbox and selectbox */
7258   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7259   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7260   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7261   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7262   custom_element_properties[custom_element.deadliness] =
7263     custom_element_properties[EP_DEADLY];
7264
7265   /* ---------- element settings: advanced (custom elements) --------------- */
7266
7267   /* set player change event from checkbox and selectbox */
7268   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7269   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7270   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7271   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7272   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7273   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7274   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7275   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7276   custom_element_change_events[CE_SWITCHED] = FALSE;
7277   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7278   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7279   custom_element_change_events[CE_BLOCKED] = FALSE;
7280   custom_element_change_events[CE_IMPACT] = FALSE;
7281   custom_element_change_events[CE_SMASHED] = FALSE;
7282   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7283   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7284   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7285   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7286   custom_element_change_events[custom_element_change.direct_action] =
7287     custom_element_change_events[CE_BY_DIRECT_ACTION];
7288
7289   /* set other element action change event from checkbox and selectbox */
7290   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7291   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7292   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7293   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7294   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7295   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7296   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7297   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7298   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7299   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7300   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7301   custom_element_change_events[CE_HITTING_X] = FALSE;
7302   custom_element_change_events[CE_DIGGING_X] = FALSE;
7303   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7304   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7305   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7306   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7307   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7308   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7309   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7310   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7311   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7312   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7313   custom_element_change_events[custom_element_change.other_action] =
7314     custom_element_change_events[CE_BY_OTHER_ACTION];
7315
7316   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7317     SET_PROPERTY(element, i, custom_element_properties[i]);
7318
7319   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7320     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7321
7322   /* copy change events also to special level editor variable */
7323   custom_element = element_info[element];
7324   custom_element_change = *element_info[element].change;
7325 }
7326
7327 static void CopyGroupElementPropertiesToGame(int element)
7328 {
7329   element_info[element] = custom_element;
7330   *element_info[element].group = group_element_info;
7331
7332   /* mark that this group element has been modified */
7333   element_info[element].modified_settings = TRUE;
7334   level.changed = TRUE;
7335 }
7336
7337 static void CopyClassicElementPropertiesToGame(int element)
7338 {
7339   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7340     setMoveIntoAcidProperty(&level, element,
7341                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7342
7343   if (MAYBE_DONT_COLLIDE_WITH(element))
7344     setDontCollideWithProperty(&level, element,
7345                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7346 }
7347
7348 static void CopyElementPropertiesToGame(int element)
7349 {
7350   if (IS_CUSTOM_ELEMENT(element))
7351     CopyCustomElementPropertiesToGame(element);
7352   else if (IS_GROUP_ELEMENT(element))
7353     CopyGroupElementPropertiesToGame(element);
7354   else
7355     CopyClassicElementPropertiesToGame(element);
7356 }
7357
7358 void CheckElementDescriptions()
7359 {
7360   int i;
7361
7362   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7363     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7364       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7365 }
7366
7367 static boolean playfield_area_changed = FALSE;
7368
7369 void DrawLevelEd()
7370 {
7371   StopAnimation();
7372
7373   CloseDoor(DOOR_CLOSE_ALL);
7374
7375   FadeOut(REDRAW_FIELD);
7376
7377   /* needed after playing if editor playfield area has different size */
7378   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7379
7380   /* needed if different viewport properties defined for editor */
7381   ChangeViewportPropertiesIfNeeded();
7382
7383   playfield_area_changed = DrawingAreaChanged();
7384
7385   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7386
7387 #if DEBUG
7388   CheckElementDescriptions();
7389 #endif
7390
7391   if (level_editor_test_game)
7392   {
7393     CopyPlayfield(level.field, Feld);
7394     CopyPlayfield(FieldBackup, level.field);
7395
7396     level_editor_test_game = FALSE;
7397   }
7398   else
7399   {
7400     edit_mode = ED_MODE_DRAWING;
7401     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7402     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7403
7404     ResetUndoBuffer();
7405
7406     level_xpos = -1;
7407     level_ypos = -1;
7408   }
7409
7410   /* copy default editor door content to main double buffer */
7411   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7412              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7413              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7414              DXSIZE, DYSIZE, DX, DY);
7415
7416   /* draw bigger door */
7417   DrawSpecialEditorDoor();
7418
7419   /* draw new control window */
7420   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7421              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7422
7423   // redraw_mask |= REDRAW_ALL;
7424
7425   FreeLevelEditorGadgets();
7426   CreateLevelEditorGadgets();
7427
7428   ReinitializeElementList();            /* update dynamic level element list */
7429   ReinitializeElementListButtons();     /* custom element may look different */
7430
7431   InitElementPropertiesGfxElement();
7432
7433   UnmapAllGadgets();
7434   MapControlButtons();
7435
7436   DrawEditModeWindow();
7437
7438   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7439
7440   /* copy actual editor door content to door double buffer for OpenDoor() */
7441   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7442 }
7443
7444 static void AdjustDrawingAreaGadgets()
7445 {
7446   int ed_xsize = lev_fieldx + 2;
7447   int ed_ysize = lev_fieldy + 2;
7448   int max_ed_fieldx = MAX_ED_FIELDX;
7449   int max_ed_fieldy = MAX_ED_FIELDY;
7450   boolean horizontal_scrollbar_needed;
7451   boolean vertical_scrollbar_needed;
7452   int x, y, width, height;
7453   int xoffset, yoffset;
7454
7455   /* check if we need any scrollbars */
7456   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7457   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7458
7459   /* check if we have a smaller editor field because of scrollbars */
7460   if (horizontal_scrollbar_needed)
7461     max_ed_fieldy = MAX_ED_FIELDY - 1;
7462   if (vertical_scrollbar_needed)
7463     max_ed_fieldx = MAX_ED_FIELDX - 1;
7464
7465   /* check again if we now need more scrollbars because of less space */
7466   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7467   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7468
7469   /* check if editor field gets even smaller after adding new scrollbars */
7470   if (horizontal_scrollbar_needed)
7471     max_ed_fieldy = MAX_ED_FIELDY - 1;
7472   if (vertical_scrollbar_needed)
7473     max_ed_fieldx = MAX_ED_FIELDX - 1;
7474
7475   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7476   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7477
7478   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7479                GDI_WIDTH, ed_fieldx * MINI_TILEX,
7480                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
7481                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7482                GDI_END);
7483
7484   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7485   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7486
7487   x = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7488   y = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7489
7490   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7491   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7492
7493   width  = scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7494   height = scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7495
7496   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7497                GDI_WIDTH, width,
7498                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7499                GDI_END);
7500   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7501                GDI_HEIGHT, height,
7502                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7503                GDI_END);
7504 }
7505
7506 static void AdjustLevelScrollPosition()
7507 {
7508   if (level_xpos < -1)
7509     level_xpos = -1;
7510   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7511     level_xpos = lev_fieldx - ed_fieldx + 1;
7512   if (lev_fieldx < ed_fieldx - 2)
7513     level_xpos = -1;
7514
7515   if (level_ypos < -1)
7516     level_ypos = -1;
7517   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7518     level_ypos = lev_fieldy - ed_fieldy + 1;
7519   if (lev_fieldy < ed_fieldy - 2)
7520     level_ypos = -1;
7521 }
7522
7523 static void AdjustEditorScrollbar(int id)
7524 {
7525   struct GadgetInfo *gi = level_editor_gadget[id];
7526   int items_max, items_visible, item_position;
7527
7528   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7529   {
7530     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7531     items_visible = ed_fieldx;
7532     item_position = level_xpos + 1;
7533   }
7534   else
7535   {
7536     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7537     items_visible = ed_fieldy;
7538     item_position = level_ypos + 1;
7539   }
7540
7541   if (item_position > items_max - items_visible)
7542     item_position = items_max - items_visible;
7543
7544   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7545                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7546 }
7547
7548 static void AdjustElementListScrollbar()
7549 {
7550   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7551   int items_max, items_visible, item_position;
7552
7553   /* correct position of element list scrollbar */
7554   if (element_shift < 0)
7555     element_shift = 0;
7556   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7557     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7558
7559   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7560   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7561   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7562
7563   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7564                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7565                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7566 }
7567
7568 static void ModifyEditorCounterValue(int counter_id, int new_value)
7569 {
7570   int *counter_value = counterbutton_info[counter_id].value;
7571   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7572   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7573
7574   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7575
7576   if (counter_value != NULL)
7577     *counter_value = gi->textinput.number_value;
7578 }
7579
7580 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7581 {
7582   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7583   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7584
7585   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7586
7587   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7588       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7589   {
7590     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7591     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7592
7593     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7594     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7595   }
7596 }
7597
7598 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7599 {
7600   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7601   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7602   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7603
7604   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7605 }
7606
7607 static void ModifyEditorSelectboxOptions(int selectbox_id,
7608                                          struct ValueTextInfo *options)
7609 {
7610   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7611   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7612
7613   selectbox_info[selectbox_id].options = options;
7614
7615   /* set index to zero -- list may be shorter now (correct later, if needed) */
7616   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7617                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7618 }
7619
7620 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7621 {
7622   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7623   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7624
7625   drawingarea_info[drawingarea_id].area_xsize = xsize;
7626   drawingarea_info[drawingarea_id].area_ysize = ysize;
7627
7628   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7629 }
7630
7631 static void ModifyEditorElementList()
7632 {
7633   int i;
7634
7635   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7636   {
7637     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7638     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7639     struct GadgetDesign *gd = &gi->deco.design;
7640     int element = editor_elements[element_shift + i];
7641
7642     UnmapGadget(gi);
7643
7644     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
7645     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7646
7647     MapGadget(gi);
7648   }
7649 }
7650
7651 static void PickDrawingElement(int button, int element)
7652 {
7653   if (button < 1 || button > 3)
7654     return;
7655
7656   if (button == 1)
7657   {
7658     new_element1 = element;
7659     DrawMiniGraphicExt(drawto,
7660                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
7661                        el2edimg(new_element1));
7662   }
7663   else if (button == 2)
7664   {
7665     new_element2 = element;
7666     DrawMiniGraphicExt(drawto,
7667                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
7668                        el2edimg(new_element2));
7669   }
7670   else
7671   {
7672     new_element3 = element;
7673     DrawMiniGraphicExt(drawto,
7674                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
7675                        el2edimg(new_element3));
7676   }
7677
7678   redraw_mask |= REDRAW_DOOR_1;
7679 }
7680
7681 static void RedrawDrawingElements()
7682 {
7683   PickDrawingElement(1, new_element1);
7684   PickDrawingElement(2, new_element2);
7685   PickDrawingElement(3, new_element3);
7686 }
7687
7688 static void DrawDrawingWindow()
7689 {
7690   stick_element_properties_window = FALSE;
7691
7692   SetMainBackgroundImage(IMG_UNDEFINED);
7693   ClearField();
7694
7695   UnmapLevelEditorFieldGadgets();
7696   UnmapLevelEditorToolboxCustomGadgets();
7697
7698   AdjustDrawingAreaGadgets();
7699   AdjustLevelScrollPosition();
7700   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7701   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7702
7703   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7704
7705   MapMainDrawingArea();
7706   MapLevelEditorToolboxDrawingGadgets();
7707 }
7708
7709 static int getTabulatorBarWidth()
7710 {
7711   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7712   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7713
7714   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7715 }
7716
7717 static void DrawLevelInfoTabulatorGadgets()
7718 {
7719   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7720   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7721   int gd_x = gd->x + gd_gi1->border.width / 2;
7722   int gd_y = gd->y + gd_gi1->height - 1;
7723   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7724   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7725   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7726   int i;
7727
7728   for (i = id_first; i <= id_last; i++)
7729   {
7730     int gadget_id = textbutton_info[i].gadget_id;
7731     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7732     boolean active = (i != edit_mode_levelinfo);
7733
7734     /* draw background line below tabulator button */
7735     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7736
7737     /* draw solid line below inactive tabulator buttons */
7738     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7739       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7740
7741     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7742     MapTextbuttonGadget(i);
7743   }
7744
7745   /* draw little border line below tabulator buttons */
7746   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7747     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7748                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7749                   tab_color);
7750 }
7751
7752 static void DrawPropertiesTabulatorGadgets()
7753 {
7754   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7755   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7756   int gd_x = gd->x + gd_gi1->border.width / 2;
7757   int gd_y = gd->y + gd_gi1->height - 1;
7758   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7759   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7760   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7761   int i;
7762
7763   /* draw two config tabulators for player elements */
7764   if (ELEM_IS_PLAYER(properties_element))
7765     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7766
7767   /* draw two config and one "change" tabulator for custom elements */
7768   if (IS_CUSTOM_ELEMENT(properties_element))
7769     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7770
7771   for (i = id_first; i <= id_last; i++)
7772   {
7773     int gadget_id = textbutton_info[i].gadget_id;
7774     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7775     boolean active = (i != edit_mode_properties);
7776
7777     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7778     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7779         (ELEM_IS_PLAYER(properties_element) ||
7780          IS_CUSTOM_ELEMENT(properties_element)))
7781       continue;
7782
7783     /* draw background line below tabulator button */
7784     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7785
7786     /* draw solid line below inactive tabulator buttons */
7787     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7788       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7789
7790     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7791     MapTextbuttonGadget(i);
7792   }
7793
7794   /* draw little border line below tabulator buttons */
7795   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7796     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7797                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7798                   tab_color);
7799 }
7800
7801 static void DrawLevelInfoLevel()
7802 {
7803   int i;
7804
7805   /* draw counter gadgets */
7806   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7807     MapCounterButtons(i);
7808
7809   /* draw selectbox gadgets */
7810   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7811     MapSelectboxGadget(i);
7812
7813   /* draw text input gadgets */
7814   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7815     MapTextInputGadget(i);
7816 }
7817
7818 static void DrawLevelInfoEditor()
7819 {
7820   int i;
7821
7822   /* draw counter gadgets */
7823   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7824     MapCounterButtons(i);
7825
7826   /* draw checkbutton gadgets */
7827   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7828     MapCheckbuttonGadget(i);
7829
7830   /* draw radiobutton gadgets */
7831   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7832     MapRadiobuttonGadget(i);
7833
7834   /* draw drawing area */
7835   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7836 }
7837
7838 static void DrawLevelInfoWindow()
7839 {
7840   stick_element_properties_window = FALSE;
7841
7842   UnmapLevelEditorFieldGadgets();
7843
7844   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7845   ClearField();
7846
7847   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7848
7849   DrawLevelInfoTabulatorGadgets();
7850
7851   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7852     DrawLevelInfoLevel();
7853   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7854     DrawLevelInfoEditor();
7855 }
7856
7857 static void DrawCustomContentArea()
7858 {
7859   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7860   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7861   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7862   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7863   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7864   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7865
7866   /* add distance for potential left text (without drawing area border) */
7867   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7868
7869   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7870
7871   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7872 }
7873
7874 static void DrawCustomChangeContentArea()
7875 {
7876   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7877   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7878   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7879   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7880   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7881   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7882
7883   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7884
7885   MapDrawingArea(id);
7886 }
7887
7888 static void DrawYamYamContentAreas()
7889 {
7890   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7891   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7892   int i;
7893
7894   /* display counter to choose number of element content areas */
7895   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7896
7897   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7898   {
7899     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
7900
7901     if (i < level.num_yamyam_contents)
7902     {
7903       MapDrawingArea(id);
7904     }
7905     else
7906     {
7907       int font_height = getFontHeight(FONT_TEXT_1);
7908
7909       UnmapDrawingArea(id);
7910
7911       /* delete content areas in case of reducing number of them */
7912       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7913                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7914                      4 * MINI_TILEX,
7915                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7916     }
7917   }
7918
7919   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
7920   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
7921   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
7922 }
7923
7924 static void DrawMagicBallContentAreas()
7925 {
7926   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7927   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7928   int i;
7929
7930   /* display counter to choose number of element content areas */
7931   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
7932
7933   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7934   {
7935     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
7936
7937     if (i < level.num_ball_contents)
7938     {
7939       MapDrawingArea(id);
7940     }
7941     else
7942     {
7943       int font_height = getFontHeight(FONT_TEXT_1);
7944
7945       UnmapDrawingArea(id);
7946
7947       /* delete content areas in case of reducing number of them */
7948       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
7949                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
7950                      4 * MINI_TILEX,
7951                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
7952     }
7953   }
7954
7955   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
7956   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
7957   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
7958 }
7959
7960 static void DrawAndroidElementArea(int element)
7961 {
7962   int num_elements = level.num_android_clone_elements;
7963   int id = ED_DRAWING_ID_ANDROID_CONTENT;
7964   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7965   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7966   int xsize = MAX_ANDROID_ELEMENTS;
7967   int ysize = 1;
7968
7969   /* display counter to choose number of element areas */
7970   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
7971
7972   if (drawingarea_info[id].text_left != NULL)
7973     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7974
7975   UnmapDrawingArea(id);
7976
7977   ModifyEditorDrawingArea(id, num_elements, 1);
7978
7979   /* delete content areas in case of reducing number of them */
7980   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
7981
7982   MapDrawingArea(id);
7983 }
7984
7985 static void DrawGroupElementArea(int element)
7986 {
7987   int num_elements = group_element_info.num_elements;
7988   int id = ED_DRAWING_ID_GROUP_CONTENT;
7989   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
7990   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
7991   int xsize = MAX_ELEMENTS_IN_GROUP;
7992   int ysize = 1;
7993
7994   if (drawingarea_info[id].text_left != NULL)
7995     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7996
7997   UnmapDrawingArea(id);
7998
7999   ModifyEditorDrawingArea(id, num_elements, 1);
8000
8001   /* delete content areas in case of reducing number of them */
8002   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8003
8004   MapDrawingArea(id);
8005 }
8006
8007 static void DrawPlayerInitialInventoryArea(int element)
8008 {
8009   int player_nr = GET_PLAYER_NR(element);
8010   int num_elements = level.initial_inventory_size[player_nr];
8011   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8012   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8013   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8014   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8015   int ysize = 1;
8016
8017   /* determine horizontal position to the right of specified gadget */
8018   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8019     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8020            ED_DRAWINGAREA_TEXT_DISTANCE);
8021
8022   /* determine horizontal offset for leading text */
8023   if (drawingarea_info[id].text_left != NULL)
8024     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8025
8026   UnmapDrawingArea(id);
8027
8028   ModifyEditorDrawingArea(id, num_elements, 1);
8029
8030   /* delete content areas in case of reducing number of them */
8031   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8032
8033   MapDrawingArea(id);
8034 }
8035
8036 static void DrawEnvelopeTextArea(int envelope_nr)
8037 {
8038   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8039   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8040
8041   UnmapGadget(gi);
8042   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8043
8044   if (envelope_nr != -1)
8045     textarea_info[id].value = level.envelope[envelope_nr].text;
8046
8047   ModifyGadget(gi, GDI_AREA_SIZE,
8048                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8049                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8050                GDI_END);
8051
8052   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8053 }
8054
8055 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8056 {
8057   int font_height = getFontHeight(font_nr);
8058   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8059   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8060   int sx = SX + pad_x;
8061   int sy = SY + pad_y;
8062   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8063
8064   if (start_line >= max_lines_per_screen)
8065     return FALSE;
8066
8067   DrawText(sx, sy + start_line * font_height, text, font_nr);
8068
8069   return TRUE;
8070 }
8071
8072 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8073 {
8074   int font_nr = FONT_TEXT_2;
8075   int font_width = getFontWidth(font_nr);
8076   int font_height = getFontHeight(font_nr);
8077   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8078   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8079   int sx = SX + pad_x;
8080   int sy = SY + pad_y + start_line * font_height;
8081   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8082   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8083   int max_lines_drawable = max_lines_per_screen - start_line;
8084
8085   if (start_line >= max_lines_per_screen)
8086     return FALSE;
8087
8088   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8089                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8090 }
8091
8092 static void DrawPropertiesInfo()
8093 {
8094   static struct
8095   {
8096     int value;
8097     char *text;
8098   }
8099   properties[] =
8100   {
8101     /* configurable properties */
8102
8103     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8104     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8105     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8106     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8107     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8108     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8109     { EP_PROTECTED,             "- player is protected by it"           },
8110
8111     { EP_DIGGABLE,              "- can be digged away"                  },
8112     { EP_COLLECTIBLE,           "- can be collected"                    },
8113     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8114     { EP_THROWABLE,             "- can be thrown after collecting"      },
8115     { EP_PUSHABLE,              "- can be pushed"                       },
8116
8117     { EP_CAN_FALL,              "- can fall"                            },
8118     { EP_CAN_MOVE,              "- can move"                            },
8119
8120     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8121 #if 0
8122     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8123 #endif
8124     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8125
8126     { EP_SLIPPERY,              "- slippery for falling elements"       },
8127     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8128
8129     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8130     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8131     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8132     { EP_DONT_TOUCH,            "- deadly when touching"                },
8133
8134     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8135
8136     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8137     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8138     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8139
8140     { EP_CAN_CHANGE,            "- can change to other element"         },
8141
8142     /* pre-defined properties */
8143     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8144     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8145     { EP_SWITCHABLE,            "- can be switched"                     },
8146 #if 0
8147     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8148 #endif
8149
8150     { -1,                       NULL                                    }
8151   };
8152   char *filename = getElementDescriptionFilename(properties_element);
8153   char *percentage_text = "In this level: ";
8154   char *properties_text = "Standard properties: ";
8155   float percentage;
8156   int num_elements_in_level;
8157   int num_standard_properties = 0;
8158   int font1_nr = FONT_TEXT_1;
8159   int font2_nr = FONT_TEXT_2;
8160   int font1_width = getFontWidth(font1_nr);
8161   int font2_height = getFontHeight(font2_nr);
8162   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8163   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8164   int screen_line = 0;
8165   int i, x, y;
8166
8167   if (setup.editor.show_element_token)
8168   {
8169     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8170               "[%s]", element_info[properties_element].token_name);
8171     screen_line++;
8172   }
8173
8174   /* ----- print number of elements / percentage of this element in level */
8175
8176   num_elements_in_level = 0;
8177   for (y = 0; y < lev_fieldy; y++)
8178     for (x = 0; x < lev_fieldx; x++)
8179       if (Feld[x][y] == properties_element)
8180         num_elements_in_level++;
8181   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8182
8183   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8184             percentage_text);
8185   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8186             pad_y + screen_line++ * font2_height, font2_nr,
8187             "%d (%.2f%%)", num_elements_in_level, percentage);
8188
8189   screen_line++;
8190
8191   /* ----- print standard properties of this element */
8192
8193   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8194             properties_text);
8195
8196   for (i = 0; properties[i].value != -1; i++)
8197   {
8198     if (!HAS_PROPERTY(properties_element, properties[i].value))
8199       continue;
8200
8201     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8202               properties[i].text);
8203     num_standard_properties++;
8204   }
8205
8206   if (num_standard_properties == 0)
8207     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8208               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8209
8210   screen_line++;
8211
8212   /* ----- print special description of this element */
8213
8214   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8215   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8216     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8217 }
8218
8219 #define TEXT_COLLECTING         "Score for collecting"
8220 #define TEXT_SMASHING           "Score for smashing"
8221 #define TEXT_SLURPING           "Score for slurping robot"
8222 #define TEXT_CRACKING           "Score for cracking"
8223 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8224 #define TEXT_DURATION           "Duration when activated"
8225 #define TEXT_BALL_DELAY         "Element generation delay"
8226 #define TEXT_MOVE_SPEED         "Speed of android moving"
8227 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8228 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8229 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8230 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8231 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8232 #define TEXT_TIME_BONUS         "Extra time to solve level"
8233
8234 static struct
8235 {
8236   int element;
8237   int *value;
8238   char *text;
8239 } elements_with_counter[] =
8240 {
8241   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8242   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8243   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8244   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8245   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8246   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8247   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8248   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8249   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8250   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8251   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8252   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8253   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8254   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8255   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8256   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8257   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8258   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8259   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8260   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8261   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8262   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8263   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8264   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8265   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8266   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8267   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8268   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8269   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8270   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8271   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8272   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8273   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8274   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8275   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8276   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8277   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8278   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8279   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8280   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8281   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8282   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8283   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8284   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8285   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8286   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8287   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8288   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8289   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8290   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8291   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8292   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8293   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8294   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8295   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8296   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8297   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8298   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8299   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8300   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8301   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8302   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8303   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8304   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8305   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8306   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8307   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8308   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8309   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8310   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8311   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8312   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8313   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8314   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8315
8316   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8317   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8318   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8319   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8320   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8321   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8322   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8323   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8324   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8325   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8326   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8327   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8328   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8329   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8330   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8331   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8332
8333   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8334   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8335   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8336   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8337   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8338   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8339   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8340   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8341
8342   { -1,                 NULL,                           NULL            }
8343 };
8344
8345 static boolean checkPropertiesConfig(int element)
8346 {
8347   int i;
8348
8349   if (IS_GEM(element) ||
8350       IS_CUSTOM_ELEMENT(element) ||
8351       IS_GROUP_ELEMENT(element) ||
8352       IS_ENVELOPE(element) ||
8353       ELEM_IS_PLAYER(element) ||
8354       HAS_EDITOR_CONTENT(element) ||
8355       CAN_GROW(element) ||
8356       COULD_MOVE_INTO_ACID(element) ||
8357       MAYBE_DONT_COLLIDE_WITH(element) ||
8358       element == EL_SOKOBAN_OBJECT ||
8359       element == EL_SOKOBAN_FIELD_EMPTY ||
8360       element == EL_SOKOBAN_FIELD_FULL)
8361     return TRUE;
8362   else
8363     for (i = 0; elements_with_counter[i].element != -1; i++)
8364       if (elements_with_counter[i].element == element)
8365         return TRUE;
8366
8367   return FALSE;
8368 }
8369
8370 static void DrawPropertiesConfig()
8371 {
8372   int max_num_element_counters = 4;
8373   int num_element_counters = 0;
8374   int i;
8375
8376   if (!checkPropertiesConfig(properties_element))
8377   {
8378     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8379
8380     return;
8381   }
8382
8383   /* check if there are elements where a value can be chosen for */
8384   for (i = 0; elements_with_counter[i].element != -1; i++)
8385   {
8386     if (elements_with_counter[i].element == properties_element)
8387     {
8388       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8389
8390       counterbutton_info[counter_id].y =
8391         ED_ELEMENT_SETTINGS_YPOS(
8392                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8393                 (CAN_GROW(properties_element)                ? 1 : 0) +
8394                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8395                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8396                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8397                 num_element_counters);
8398
8399       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8400       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8401
8402       if (properties_element == EL_GAME_OF_LIFE ||
8403           properties_element == EL_BIOMAZE)
8404       {
8405         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8406         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8407       }
8408       else
8409       {
8410         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8411         counterbutton_info[counter_id].min_value = MIN_SCORE;
8412         counterbutton_info[counter_id].max_value = MAX_SCORE;
8413       }
8414
8415       MapCounterButtons(counter_id);
8416
8417       num_element_counters++;
8418       if (num_element_counters >= max_num_element_counters)
8419         break;
8420     }
8421   }
8422
8423   if (HAS_EDITOR_CONTENT(properties_element))
8424   {
8425     /* draw stickybutton gadget */
8426     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8427
8428     if (IS_AMOEBOID(properties_element))
8429       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8430     else if (properties_element == EL_YAMYAM ||
8431              properties_element == EL_YAMYAM_LEFT ||
8432              properties_element == EL_YAMYAM_RIGHT ||
8433              properties_element == EL_YAMYAM_UP ||
8434              properties_element == EL_YAMYAM_DOWN)
8435       DrawYamYamContentAreas();
8436     else if (properties_element == EL_EMC_MAGIC_BALL)
8437     {
8438       DrawMagicBallContentAreas();
8439
8440       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8441       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8442     }
8443     else if (properties_element == EL_EMC_ANDROID)
8444       DrawAndroidElementArea(properties_element);
8445   }
8446
8447   if (ELEM_IS_PLAYER(properties_element))
8448   {
8449     int player_nr = GET_PLAYER_NR(properties_element);
8450
8451     /* these properties can be set for every player individually */
8452
8453     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8454     {
8455       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8456         &level.start_element[player_nr];
8457       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8458         &level.artwork_element[player_nr];
8459       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8460         &level.explosion_element[player_nr];
8461
8462       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8463         &level.use_start_element[player_nr];
8464       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8465         &level.use_artwork_element[player_nr];
8466       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8467         &level.use_explosion_element[player_nr];
8468       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8469         &level.initial_player_gravity[player_nr];
8470
8471       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8472         &level.initial_player_stepsize[player_nr];
8473
8474       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8475       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8476                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8477                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8478       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8479       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8480       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8481       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8482       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8483       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8484       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8485       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8486       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8487
8488       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8489       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8490       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8491
8492       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8493     }
8494     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8495     {
8496       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8497         &level.initial_inventory_content[player_nr][0];
8498
8499       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8500         &level.initial_inventory_size[player_nr];
8501
8502       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8503         &level.use_initial_inventory[player_nr];
8504
8505       /* draw checkbutton gadgets */
8506       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8507
8508       /* draw counter gadgets */
8509       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8510
8511       /* draw drawing area gadgets */
8512       DrawPlayerInitialInventoryArea(properties_element);
8513     }
8514   }
8515
8516   if (IS_GEM(properties_element))
8517     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8518
8519   if (properties_element == EL_EM_DYNAMITE)
8520     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8521
8522   if (COULD_MOVE_INTO_ACID(properties_element) &&
8523       !ELEM_IS_PLAYER(properties_element) &&
8524       (!IS_CUSTOM_ELEMENT(properties_element) ||
8525        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8526   {
8527     /* set position for checkbutton for "can move into acid" */
8528     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8529       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8530     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8531       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8532                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8533
8534     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8535   }
8536
8537   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8538     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8539
8540   if (properties_element == EL_SPRING)
8541     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8542
8543   if (properties_element == EL_TIME_ORB_FULL)
8544     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8545
8546   if (CAN_GROW(properties_element))
8547   {
8548     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8549       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8550
8551     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8552   }
8553
8554   if (properties_element == EL_SOKOBAN_OBJECT ||
8555       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8556       properties_element == EL_SOKOBAN_FIELD_FULL)
8557     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8558
8559   if (IS_ENVELOPE(properties_element))
8560   {
8561     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8562     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8563     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8564     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8565     int envelope_nr = properties_element - EL_ENVELOPE_1;
8566
8567     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8568     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8569
8570     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8571     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8572
8573     /* display counter to choose size of envelope text area */
8574     MapCounterButtons(counter1_id);
8575     MapCounterButtons(counter2_id);
8576
8577     /* display checkbuttons to choose auto-wrap and alignment properties */
8578     MapCheckbuttonGadget(button1_id);
8579     MapCheckbuttonGadget(button2_id);
8580
8581     DrawEnvelopeTextArea(envelope_nr);
8582   }
8583
8584   if (IS_CUSTOM_ELEMENT(properties_element))
8585   {
8586     /* draw stickybutton gadget */
8587     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8588
8589     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8590     {
8591       /* draw checkbutton gadgets */
8592       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8593            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8594         MapCheckbuttonGadget(i);
8595
8596       /* draw counter gadgets */
8597       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8598            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8599         MapCounterButtons(i);
8600
8601       /* draw selectbox gadgets */
8602       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8603            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8604         MapSelectboxGadget(i);
8605
8606       /* draw textbutton gadgets */
8607       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8608
8609       /* draw text input gadgets */
8610       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8611
8612       /* draw drawing area gadgets */
8613       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8614     }
8615     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8616     {
8617       /* draw checkbutton gadgets */
8618       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8619            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8620         MapCheckbuttonGadget(i);
8621
8622       /* draw counter gadgets */
8623       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8624            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8625         MapCounterButtons(i);
8626
8627       /* draw selectbox gadgets */
8628       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8629            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8630         MapSelectboxGadget(i);
8631
8632       /* draw drawing area gadgets */
8633       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8634       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8635       DrawCustomContentArea();
8636     }
8637   }
8638   else if (IS_GROUP_ELEMENT(properties_element))
8639   {
8640     /* draw stickybutton gadget */
8641     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8642
8643     /* draw checkbutton gadgets */
8644     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8645     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8646
8647     /* draw counter gadgets */
8648     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8649
8650     /* draw selectbox gadgets */
8651     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8652
8653     /* draw textbutton gadgets */
8654     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8655
8656     /* draw drawing area gadgets */
8657     DrawGroupElementArea(properties_element);
8658
8659     /* draw text input gadgets */
8660     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8661
8662     /* draw drawing area gadgets */
8663     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8664   }
8665 }
8666
8667 static void DrawPropertiesChangeDrawingAreas()
8668 {
8669   if (IS_CUSTOM_ELEMENT(properties_element))
8670   {
8671     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8672     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8673     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8674
8675     DrawCustomChangeContentArea();
8676   }
8677
8678   redraw_mask |= REDRAW_FIELD;
8679 }
8680
8681 static void DrawPropertiesChange()
8682 {
8683   int i;
8684
8685   /* needed to initially set selectbox options for special action options */
8686   setSelectboxSpecialActionOptions();
8687
8688   /* draw stickybutton gadget */
8689   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8690
8691   /* draw checkbutton gadgets */
8692   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8693        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8694     MapCheckbuttonGadget(i);
8695
8696   /* draw counter gadgets */
8697   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8698        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8699     MapCounterButtons(i);
8700
8701   /* draw selectbox gadgets */
8702   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8703        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8704     MapSelectboxGadget(i);
8705
8706   /* draw textbutton gadgets */
8707   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8708        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8709     MapTextbuttonGadget(i);
8710
8711   /* draw graphicbutton gadgets */
8712   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8713        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8714     MapGraphicbuttonGadget(i);
8715
8716   /* draw drawing area gadgets */
8717   DrawPropertiesChangeDrawingAreas();
8718 }
8719
8720 static void DrawEditorElementAnimation(int x, int y)
8721 {
8722   int graphic = el2img(properties_element);
8723   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8724                custom_element.ce_value_fixed_initial :
8725                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8726                custom_element.collect_score_initial : FrameCounter);
8727
8728   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8729 }
8730
8731 static void DrawEditorElementName(int x, int y, int element)
8732 {
8733   char *element_name = getElementInfoText(element);
8734   int font_nr = FONT_TEXT_1;
8735   int font_width = getFontWidth(font_nr);
8736   int font_height = getFontHeight(font_nr);
8737   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8738   int max_chars_per_line = max_text_width / font_width;
8739   char buffer[max_chars_per_line + 1];
8740
8741   if (strlen(element_name) <= max_chars_per_line)
8742     DrawTextS(x, y, font_nr, element_name);
8743   else
8744   {
8745     int next_pos = max_chars_per_line;
8746
8747     strncpy(buffer, element_name, max_chars_per_line);
8748     buffer[max_chars_per_line] = '\0';
8749
8750     if (element_name[max_chars_per_line] == ' ')
8751       next_pos++;
8752     else
8753     {
8754       int i;
8755
8756       for (i = max_chars_per_line - 1; i >= 0; i--)
8757         if (buffer[i] == ' ')
8758           break;
8759
8760       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8761       {
8762         buffer[i] = '\0';
8763         next_pos = i + 1;
8764       }
8765     }
8766
8767     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8768
8769     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8770     buffer[max_chars_per_line] = '\0';
8771
8772     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8773   }
8774 }
8775
8776 static void DrawPropertiesWindow()
8777 {
8778   int xstart = 2;
8779   int ystart = 4;
8780
8781   stick_element_properties_window = FALSE;
8782
8783   /* make sure that previous properties edit mode exists for this element */
8784   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8785       !IS_CUSTOM_ELEMENT(properties_element))
8786     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8787
8788   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8789       !ELEM_IS_PLAYER(properties_element) &&
8790       !IS_CUSTOM_ELEMENT(properties_element))
8791     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8792
8793   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8794       (ELEM_IS_PLAYER(properties_element) ||
8795        IS_CUSTOM_ELEMENT(properties_element)))
8796     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8797
8798   CopyElementPropertiesToEditor(properties_element);
8799
8800   UnmapLevelEditorFieldGadgets();
8801   UnmapLevelEditorToolboxDrawingGadgets();
8802   UnmapLevelEditorToolboxCustomGadgets();
8803
8804   if (IS_CUSTOM_ELEMENT(properties_element) ||
8805       IS_GROUP_ELEMENT(properties_element))
8806     MapLevelEditorToolboxCustomGadgets();
8807
8808   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8809   ClearField();
8810
8811   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8812
8813   FrameCounter = 0;     /* restart animation frame counter */
8814
8815   DrawElementBorder(SX + xstart * MINI_TILEX,
8816                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8817                     TILEX, TILEY, FALSE);
8818
8819   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8820                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8821
8822   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8823                         (ystart + 1) * MINI_TILEY + 1,
8824                         properties_element);
8825
8826   DrawPropertiesTabulatorGadgets();
8827
8828   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8829     DrawPropertiesInfo();
8830   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8831     DrawPropertiesChange();
8832   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8833     DrawPropertiesConfig();
8834 }
8835
8836 static void UpdateCustomElementGraphicGadgets()
8837 {
8838   struct ElementInfo *ei = &element_info[properties_element];
8839   int i;
8840
8841   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8842                      properties_element);
8843
8844   ModifyEditorElementList();
8845   RedrawDrawingElements();
8846
8847   /* force redraw of all mapped drawing area gadgets */
8848   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8849   {
8850     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8851
8852     if (gi->mapped)
8853       MapDrawingArea(i);
8854   }
8855 }
8856
8857 static int getOpenDirectionFromTube(int element)
8858 {
8859   switch (element)
8860   {
8861     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8862     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8863     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8864     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8865     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8866     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8867     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8868     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8869     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8870     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8871     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8872   }
8873
8874   return MV_NONE;
8875 }
8876
8877 static int getTubeFromOpenDirection(int direction)
8878 {
8879   switch (direction)
8880   {
8881     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
8882     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
8883     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
8884     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
8885     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
8886     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
8887     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
8888     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
8889     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
8890     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
8891     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
8892
8893     /* if only one direction, fall back to simple tube with that direction */
8894     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
8895     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
8896     case (MV_UP):                       return EL_TUBE_VERTICAL;
8897     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
8898   }
8899
8900   return EL_EMPTY;
8901 }
8902
8903 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
8904 {
8905   int element_new = getTubeFromOpenDirection(direction);
8906
8907   return (element_new != EL_EMPTY ? element_new : element_old);
8908 }
8909
8910 static int getOpenDirectionFromBelt(int element)
8911 {
8912   int belt_dir = getBeltDirFromBeltElement(element);
8913
8914   return (belt_dir == MV_LEFT ? MV_RIGHT :
8915           belt_dir == MV_RIGHT ? MV_LEFT :
8916           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
8917 }
8918
8919 static int getBeltFromNrAndOpenDirection(int nr, int direction)
8920 {
8921   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
8922                   direction == MV_RIGHT ? MV_LEFT :
8923                   direction == MV_HORIZONTAL ? MV_NONE : direction);
8924
8925   if (direction == MV_NONE)
8926     return EL_EMPTY;
8927
8928   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
8929 }
8930
8931 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
8932                                                  int element_old)
8933 {
8934   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
8935
8936   return (element_new != EL_EMPTY ? element_new : element_old);
8937 }
8938
8939 static int getOpenDirectionFromPool(int element)
8940 {
8941   switch (element)
8942   {
8943     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
8944     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
8945     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
8946     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
8947     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
8948     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
8949   }
8950
8951   return MV_NONE;
8952 }
8953
8954 static int getPoolFromOpenDirection(int direction)
8955 {
8956   switch (direction)
8957   {
8958     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
8959     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
8960     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
8961     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
8962     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
8963     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
8964   }
8965
8966   return EL_EMPTY;
8967 }
8968
8969 static int getPoolFromOpenDirectionExt(int direction, int help_element)
8970 {
8971   int element = getPoolFromOpenDirection(direction);
8972   int help_direction = getOpenDirectionFromPool(help_element);
8973
8974   if (element == EL_EMPTY)
8975   {
8976     int help_direction_vertical = help_direction & MV_VERTICAL;
8977
8978     element = getPoolFromOpenDirection(direction | help_direction_vertical);
8979   }
8980
8981   if (element == EL_EMPTY)
8982   {
8983     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
8984
8985     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
8986   }
8987
8988   return element;
8989 }
8990
8991 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
8992 {
8993   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
8994
8995   return (element_new != EL_EMPTY ? element_new : element_old);
8996 }
8997
8998 static int getOpenDirectionFromPillar(int element)
8999 {
9000   switch (element)
9001   {
9002     case EL_EMC_WALL_1:                 return (MV_DOWN);
9003     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9004     case EL_EMC_WALL_3:                 return (MV_UP);
9005   }
9006
9007   return MV_NONE;
9008 }
9009
9010 static int getPillarFromOpenDirection(int direction)
9011 {
9012   switch (direction)
9013   {
9014     case (MV_DOWN):                     return EL_EMC_WALL_1;
9015     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9016     case (MV_UP):                       return EL_EMC_WALL_3;
9017   }
9018
9019   return EL_EMPTY;
9020 }
9021
9022 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9023 {
9024   int element_new = getPillarFromOpenDirection(direction);
9025
9026   return (element_new != EL_EMPTY ? element_new : element_old);
9027 }
9028
9029 static int getOpenDirectionFromSteel2(int element)
9030 {
9031   switch (element)
9032   {
9033     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9034     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9035     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9036     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9037     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9038     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9039     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9040     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9041   }
9042
9043   return MV_NONE;
9044 }
9045
9046 static int getSteel2FromOpenDirection(int direction)
9047 {
9048   switch (direction)
9049   {
9050     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9051     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9052     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9053     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9054     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9055     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9056     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9057     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9058   }
9059
9060   return EL_EMPTY;
9061 }
9062
9063 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9064 {
9065   int element_new = getSteel2FromOpenDirection(direction);
9066
9067   return (element_new != EL_EMPTY ? element_new : element_old);
9068 }
9069
9070 static int getOpenDirectionFromChip(int element)
9071 {
9072   switch (element)
9073   {
9074     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9075     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9076     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9077     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9078     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9079   }
9080
9081   return MV_NONE;
9082 }
9083
9084 static int getChipFromOpenDirection(int direction)
9085 {
9086   switch (direction)
9087   {
9088     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9089     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9090     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9091     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9092     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9093   }
9094
9095   return EL_EMPTY;
9096 }
9097
9098 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9099 {
9100   int element_new = getChipFromOpenDirection(direction);
9101
9102   return (element_new != EL_EMPTY ? element_new : element_old);
9103 }
9104
9105 static int getClosedTube(int x, int y)
9106 {
9107   static int xy[4][2] =
9108   {
9109     { -1, 0 },
9110     { +1, 0 },
9111     { 0, -1 },
9112     { 0, +1 }
9113   };
9114   int element_old = IntelliDrawBuffer[x][y];
9115   int direction_old = getOpenDirectionFromTube(element_old);
9116   int direction_new = MV_NONE;
9117   int i;
9118
9119   for (i = 0; i < NUM_DIRECTIONS; i++)
9120   {
9121     int xx = x + xy[i][0];
9122     int yy = y + xy[i][1];
9123     int dir = MV_DIR_FROM_BIT(i);
9124     int dir_opposite = MV_DIR_OPPOSITE(dir);
9125
9126     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9127         (direction_old & dir) &&
9128         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9129       direction_new |= dir;
9130   }
9131
9132   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9133 }
9134
9135 static int getClosedBelt(int x, int y)
9136 {
9137   static int xy[4][2] =
9138   {
9139     { -1, 0 },
9140     { +1, 0 },
9141     { 0, -1 },
9142     { 0, +1 }
9143   };
9144   int element_old = IntelliDrawBuffer[x][y];
9145   int nr = getBeltNrFromBeltElement(element_old);
9146   int direction_old = getOpenDirectionFromBelt(element_old);
9147   int direction_new = MV_NONE;
9148   int i;
9149
9150   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9151   {
9152     int xx = x + xy[i][0];
9153     int yy = y + xy[i][1];
9154     int dir = MV_DIR_FROM_BIT(i);
9155     int dir_opposite = MV_DIR_OPPOSITE(dir);
9156
9157     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9158         (direction_old & dir) &&
9159         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9160       direction_new |= dir;
9161   }
9162
9163   return getBeltFromNrAndOpenDirection(nr, direction_new);
9164 }
9165
9166 static int getClosedPool(int x, int y)
9167 {
9168   static int xy[4][2] =
9169   {
9170     { -1, 0 },
9171     { +1, 0 },
9172     { 0, -1 },
9173     { 0, +1 }
9174   };
9175   int element_old = IntelliDrawBuffer[x][y];
9176   int direction_old = getOpenDirectionFromPool(element_old);
9177   int direction_new = MV_NONE;
9178   int i;
9179
9180   for (i = 0; i < NUM_DIRECTIONS; i++)
9181   {
9182     int xx = x + xy[i][0];
9183     int yy = y + xy[i][1];
9184     int dir = MV_DIR_FROM_BIT(i);
9185     int dir_opposite = MV_DIR_OPPOSITE(dir);
9186
9187     if (IN_LEV_FIELD(xx, yy) &&
9188         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9189         (direction_old & dir) &&
9190         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9191       direction_new |= dir;
9192   }
9193
9194   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9195 }
9196
9197 static int getClosedPillar(int x, int y)
9198 {
9199   static int xy[4][2] =
9200   {
9201     { -1, 0 },
9202     { +1, 0 },
9203     { 0, -1 },
9204     { 0, +1 }
9205   };
9206   int element_old = IntelliDrawBuffer[x][y];
9207   int direction_old = getOpenDirectionFromPillar(element_old);
9208   int direction_new = MV_NONE;
9209   int i;
9210
9211   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9212   {
9213     int xx = x + xy[i][0];
9214     int yy = y + xy[i][1];
9215     int dir = MV_DIR_FROM_BIT(i);
9216     int dir_opposite = MV_DIR_OPPOSITE(dir);
9217
9218     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9219         (direction_old & dir) &&
9220         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9221       direction_new |= dir;
9222   }
9223
9224   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9225 }
9226
9227 static int getClosedSteel2(int x, int y)
9228 {
9229   static int xy[4][2] =
9230   {
9231     { -1, 0 },
9232     { +1, 0 },
9233     { 0, -1 },
9234     { 0, +1 }
9235   };
9236   int element_old = IntelliDrawBuffer[x][y];
9237   int direction_old = getOpenDirectionFromSteel2(element_old);
9238   int direction_new = MV_NONE;
9239   int i;
9240
9241   for (i = 0; i < NUM_DIRECTIONS; i++)
9242   {
9243     int xx = x + xy[i][0];
9244     int yy = y + xy[i][1];
9245     int dir = MV_DIR_FROM_BIT(i);
9246     int dir_opposite = MV_DIR_OPPOSITE(dir);
9247
9248     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9249         (direction_old & dir) &&
9250         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9251       direction_new |= dir;
9252   }
9253
9254   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9255 }
9256
9257 static int getClosedChip(int x, int y)
9258 {
9259   static int xy[4][2] =
9260   {
9261     { -1, 0 },
9262     { +1, 0 },
9263     { 0, -1 },
9264     { 0, +1 }
9265   };
9266   int element_old = IntelliDrawBuffer[x][y];
9267   int direction_old = getOpenDirectionFromChip(element_old);
9268   int direction_new = MV_NONE;
9269   int i;
9270
9271   for (i = 0; i < NUM_DIRECTIONS; i++)
9272   {
9273     int xx = x + xy[i][0];
9274     int yy = y + xy[i][1];
9275     int dir = MV_DIR_FROM_BIT(i);
9276     int dir_opposite = MV_DIR_OPPOSITE(dir);
9277
9278     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9279         (direction_old & dir) &&
9280         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9281       direction_new |= dir;
9282   }
9283
9284   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9285 }
9286
9287 static void SetElementSimple(int x, int y, int element, boolean change_level)
9288 {
9289   int sx = x - level_xpos;
9290   int sy = y - level_ypos;
9291
9292   IntelliDrawBuffer[x][y] = element;
9293
9294   if (change_level)
9295     Feld[x][y] = element;
9296
9297   if (IN_ED_FIELD(sx, sy))
9298     DrawMiniElement(sx, sy, element);
9299 }
9300
9301 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9302                                            int x2, int y2, int *element2,
9303                                            int (*close_function)(int, int),
9304                                            boolean change_level)
9305 {
9306   /* set neighbour elements to newly determined connections */
9307   SetElementSimple(x1, y1, *element1, change_level);
9308   SetElementSimple(x2, y2, *element2, change_level);
9309
9310   /* remove all open connections of neighbour elements */
9311   *element1 = close_function(x1, y1);
9312   *element2 = close_function(x2, y2);
9313
9314   /* set neighbour elements to new, minimized connections */
9315   SetElementSimple(x1, y1, *element1, change_level);
9316   SetElementSimple(x2, y2, *element2, change_level);
9317 }
9318
9319 static void SetElementIntelliDraw(int x, int y, int new_element,
9320                                   boolean change_level, int button)
9321 {
9322   static int xy[4][2] =
9323   {
9324     { -1, 0 },
9325     { +1, 0 },
9326     { 0, -1 },
9327     { 0, +1 }
9328   };
9329   static int last_x = -1;
9330   static int last_y = -1;
9331   int old_element = IntelliDrawBuffer[x][y];
9332
9333   if (new_element == EL_UNDEFINED)
9334   {
9335     last_x = -1;
9336     last_y = -1;
9337
9338     return;
9339   }
9340
9341   if (IS_TUBE(new_element))
9342   {
9343     int last_element_new = EL_UNDEFINED;
9344     int direction = MV_NONE;
9345     int i;
9346
9347     /* if old element is of same kind, keep all existing directions */
9348     if (IS_TUBE(old_element))
9349       direction |= getOpenDirectionFromTube(old_element);
9350
9351     for (i = 0; i < NUM_DIRECTIONS; i++)
9352     {
9353       int xx = x + xy[i][0];
9354       int yy = y + xy[i][1];
9355
9356       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9357           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9358       {
9359         int dir = MV_DIR_FROM_BIT(i);
9360         int dir_opposite = MV_DIR_OPPOSITE(dir);
9361         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9362         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9363         int last_direction_new = last_direction_old | dir_opposite;
9364
9365         last_element_new = getTubeFromOpenDirection(last_direction_new);
9366
9367         direction |= dir;
9368       }
9369     }
9370
9371     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9372
9373     if (last_element_new != EL_UNDEFINED)
9374       MergeAndCloseNeighbourElements(x, y, &new_element,
9375                                      last_x, last_y, &last_element_new,
9376                                      getClosedTube, change_level);
9377   }
9378   else if (IS_BELT(new_element))
9379   {
9380     int belt_nr = getBeltNrFromBeltElement(new_element);
9381     int last_element_new = EL_UNDEFINED;
9382     int direction = MV_NONE;
9383     int i;
9384
9385     /* if old element is of same kind, keep all existing directions */
9386     if (IS_BELT(old_element))
9387       direction |= getOpenDirectionFromBelt(old_element);
9388
9389     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9390     {
9391       int xx = x + xy[i][0];
9392       int yy = y + xy[i][1];
9393
9394       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9395           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9396       {
9397         int dir = MV_DIR_FROM_BIT(i);
9398         int dir_opposite = MV_DIR_OPPOSITE(dir);
9399         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9400         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9401         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9402         int last_direction_new = last_direction_old | dir_opposite;
9403
9404         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9405                                                          last_direction_new);
9406         direction |= dir;
9407       }
9408     }
9409
9410     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9411                                                         new_element);
9412     if (last_element_new != EL_UNDEFINED)
9413       MergeAndCloseNeighbourElements(x, y, &new_element,
9414                                      last_x, last_y, &last_element_new,
9415                                      getClosedBelt, change_level);
9416   }
9417   else if (IS_ACID_POOL_OR_ACID(new_element))
9418   {
9419     int last_element_new = EL_UNDEFINED;
9420     int direction = MV_NONE;
9421     int i;
9422
9423     /* if old element is of same kind, keep all existing directions */
9424     if (IS_ACID_POOL_OR_ACID(old_element))
9425       direction |= getOpenDirectionFromPool(old_element);
9426
9427     for (i = 0; i < NUM_DIRECTIONS; i++)
9428     {
9429       int xx = x + xy[i][0];
9430       int yy = y + xy[i][1];
9431
9432       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9433           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9434       {
9435         int dir = MV_DIR_FROM_BIT(i);
9436         int dir_opposite = MV_DIR_OPPOSITE(dir);
9437         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9438         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9439         int last_direction_new = last_direction_old | dir_opposite;
9440
9441         last_element_new = getPoolFromOpenDirection(last_direction_new);
9442
9443         direction |= dir;
9444       }
9445     }
9446
9447     /* special corrections needed for intuitively correct acid pool drawing */
9448     if (last_element_new == EL_EMPTY)
9449       last_element_new = new_element;
9450     else if (last_element_new != EL_UNDEFINED)
9451       new_element = last_element_new;
9452
9453     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9454
9455     if (last_element_new != EL_UNDEFINED)
9456       MergeAndCloseNeighbourElements(x, y, &new_element,
9457                                      last_x, last_y, &last_element_new,
9458                                      getClosedPool, change_level);
9459   }
9460   else if (IS_EMC_PILLAR(new_element))
9461   {
9462     int last_element_new = EL_UNDEFINED;
9463     int direction = MV_NONE;
9464     int i;
9465
9466     /* if old element is of same kind, keep all existing directions */
9467     if (IS_EMC_PILLAR(old_element))
9468       direction |= getOpenDirectionFromPillar(old_element);
9469
9470     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9471     {
9472       int xx = x + xy[i][0];
9473       int yy = y + xy[i][1];
9474
9475       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9476           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9477       {
9478         int dir = MV_DIR_FROM_BIT(i);
9479         int dir_opposite = MV_DIR_OPPOSITE(dir);
9480         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9481         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9482         int last_direction_new = last_direction_old | dir_opposite;
9483
9484         last_element_new = getPillarFromOpenDirection(last_direction_new);
9485
9486         direction |= dir;
9487       }
9488     }
9489
9490     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9491
9492     if (last_element_new != EL_UNDEFINED)
9493       MergeAndCloseNeighbourElements(x, y, &new_element,
9494                                      last_x, last_y, &last_element_new,
9495                                      getClosedPillar, change_level);
9496   }
9497   else if (IS_DC_STEELWALL_2(new_element))
9498   {
9499     int last_element_new = EL_UNDEFINED;
9500     int direction = MV_NONE;
9501     int i;
9502
9503     /* if old element is of same kind, keep all existing directions */
9504     if (IS_DC_STEELWALL_2(old_element))
9505       direction |= getOpenDirectionFromSteel2(old_element);
9506
9507     for (i = 0; i < NUM_DIRECTIONS; i++)
9508     {
9509       int xx = x + xy[i][0];
9510       int yy = y + xy[i][1];
9511
9512       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9513           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9514       {
9515         int dir = MV_DIR_FROM_BIT(i);
9516         int dir_opposite = MV_DIR_OPPOSITE(dir);
9517         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9518         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9519         int last_direction_new = last_direction_old | dir_opposite;
9520
9521         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9522
9523         direction |= dir;
9524       }
9525     }
9526
9527     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9528
9529     if (last_element_new != EL_UNDEFINED)
9530       MergeAndCloseNeighbourElements(x, y, &new_element,
9531                                      last_x, last_y, &last_element_new,
9532                                      getClosedSteel2, change_level);
9533   }
9534   else if (IS_SP_CHIP(new_element))
9535   {
9536     int last_element_new = EL_UNDEFINED;
9537     int direction = MV_NONE;
9538     int i;
9539
9540     /* (do not keep existing directions, regardless of kind of old element) */
9541
9542     for (i = 0; i < NUM_DIRECTIONS; i++)
9543     {
9544       int xx = x + xy[i][0];
9545       int yy = y + xy[i][1];
9546
9547       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9548           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9549       {
9550         int dir = MV_DIR_FROM_BIT(i);
9551         int dir_opposite = MV_DIR_OPPOSITE(dir);
9552         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9553         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9554         int last_direction_new = last_direction_old | dir_opposite;
9555
9556         if (last_direction_old == MV_NONE)
9557         {
9558           last_element_new = getChipFromOpenDirection(last_direction_new);
9559           direction |= dir;
9560         }
9561         else if (last_direction_old & (dir | dir_opposite))
9562         {
9563           direction |= MV_DIR_OPPOSITE(last_direction_old);
9564         }
9565         else
9566         {
9567           direction |= MV_DIR_OPPOSITE(dir);
9568         }
9569       }
9570     }
9571
9572     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9573
9574     if (last_element_new != EL_UNDEFINED)
9575       MergeAndCloseNeighbourElements(x, y, &new_element,
9576                                      last_x, last_y, &last_element_new,
9577                                      getClosedChip, change_level);
9578   }
9579   else if (IS_SP_HARDWARE_BASE(new_element))
9580   {
9581     int nr = GetSimpleRandom(6);
9582
9583     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9584                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9585                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9586                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9587                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9588   }
9589   else if (new_element == EL_SP_HARDWARE_GREEN ||
9590            new_element == EL_SP_HARDWARE_BLUE ||
9591            new_element == EL_SP_HARDWARE_RED)
9592   {
9593     int nr = GetSimpleRandom(3);
9594
9595     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9596                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9597   }
9598   else if (IS_GROUP_ELEMENT(new_element))
9599   {
9600     boolean connected_drawing = FALSE;
9601     int i;
9602
9603     for (i = 0; i < NUM_DIRECTIONS; i++)
9604     {
9605       int xx = x + xy[i][0];
9606       int yy = y + xy[i][1];
9607
9608       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9609           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9610         connected_drawing = TRUE;
9611     }
9612
9613     if (!connected_drawing)
9614       ResolveGroupElement(new_element);
9615
9616     new_element = GetElementFromGroupElement(new_element);
9617   }
9618   else if (IS_BELT_SWITCH(old_element))
9619   {
9620     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9621     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9622
9623     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9624                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9625
9626     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9627   }
9628   else
9629   {
9630     static int swappable_elements[][2] =
9631     {
9632       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9633       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9634       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9635       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9636       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9637       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9638       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9639       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9640       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9641       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9642       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9643       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9644       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9645       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9646       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9647       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9648       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9649       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9650       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9651       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9652       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9653       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9654       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9655       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9656       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9657       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9658       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9659       { EL_PEARL,                       EL_WALL_PEARL                   },
9660       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9661       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9662       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9663       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9664       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9665       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9666       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9667       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9668       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9669       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9670       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9671       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9672
9673       { -1,                             -1                              },
9674     };
9675     static int rotatable_elements[][4] =
9676     {
9677       {
9678         EL_BUG_UP,
9679         EL_BUG_RIGHT,
9680         EL_BUG_DOWN,
9681         EL_BUG_LEFT
9682       },
9683
9684       {
9685         EL_SPACESHIP_UP,
9686         EL_SPACESHIP_RIGHT,
9687         EL_SPACESHIP_DOWN,
9688         EL_SPACESHIP_LEFT
9689       },
9690
9691       {
9692         EL_BD_BUTTERFLY_UP,
9693         EL_BD_BUTTERFLY_RIGHT,
9694         EL_BD_BUTTERFLY_DOWN,
9695         EL_BD_BUTTERFLY_LEFT
9696       },
9697
9698       {
9699         EL_BD_FIREFLY_UP,
9700         EL_BD_FIREFLY_RIGHT,
9701         EL_BD_FIREFLY_DOWN,
9702         EL_BD_FIREFLY_LEFT
9703       },
9704
9705       {
9706         EL_PACMAN_UP,
9707         EL_PACMAN_RIGHT,
9708         EL_PACMAN_DOWN,
9709         EL_PACMAN_LEFT
9710       },
9711
9712       {
9713         EL_YAMYAM_UP,
9714         EL_YAMYAM_RIGHT,
9715         EL_YAMYAM_DOWN,
9716         EL_YAMYAM_LEFT
9717       },
9718
9719       {
9720         EL_ARROW_UP,
9721         EL_ARROW_RIGHT,
9722         EL_ARROW_DOWN,
9723         EL_ARROW_LEFT
9724       },
9725
9726       {
9727         EL_SP_PORT_UP,
9728         EL_SP_PORT_RIGHT,
9729         EL_SP_PORT_DOWN,
9730         EL_SP_PORT_LEFT
9731       },
9732
9733       {
9734         EL_SP_GRAVITY_PORT_UP,
9735         EL_SP_GRAVITY_PORT_RIGHT,
9736         EL_SP_GRAVITY_PORT_DOWN,
9737         EL_SP_GRAVITY_PORT_LEFT
9738       },
9739
9740       {
9741         EL_SP_GRAVITY_ON_PORT_UP,
9742         EL_SP_GRAVITY_ON_PORT_RIGHT,
9743         EL_SP_GRAVITY_ON_PORT_DOWN,
9744         EL_SP_GRAVITY_ON_PORT_LEFT
9745       },
9746
9747       {
9748         EL_SP_GRAVITY_OFF_PORT_UP,
9749         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9750         EL_SP_GRAVITY_OFF_PORT_DOWN,
9751         EL_SP_GRAVITY_OFF_PORT_LEFT
9752       },
9753
9754       {
9755         EL_MOLE_UP,
9756         EL_MOLE_RIGHT,
9757         EL_MOLE_DOWN,
9758         EL_MOLE_LEFT
9759       },
9760
9761       {
9762         EL_BALLOON_SWITCH_UP,
9763         EL_BALLOON_SWITCH_RIGHT,
9764         EL_BALLOON_SWITCH_DOWN,
9765         EL_BALLOON_SWITCH_LEFT
9766       },
9767
9768       {
9769         -1,
9770         -1,
9771         -1,
9772         -1,
9773       },
9774     };
9775     int i, j;
9776
9777     for (i = 0; swappable_elements[i][0] != -1; i++)
9778     {
9779       int element1 = swappable_elements[i][0];
9780       int element2 = swappable_elements[i][1];
9781
9782       if (old_element == element1 || old_element == element2)
9783         new_element = (old_element == element1 ? element2 : element1);
9784     }
9785
9786     for (i = 0; rotatable_elements[i][0] != -1; i++)
9787     {
9788       for (j = 0; j < 4; j++)
9789       {
9790         int element = rotatable_elements[i][j];
9791
9792         if (old_element == element)
9793           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9794                          button == 2 ? rotatable_elements[i][0]           :
9795                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9796                          old_element);
9797       }
9798     }
9799   }
9800
9801   SetElementSimple(x, y, new_element, change_level);
9802
9803   last_x = x;
9804   last_y = y;
9805 }
9806
9807 static void ResetIntelliDraw()
9808 {
9809   int x, y;
9810
9811   for (x = 0; x < lev_fieldx; x++)
9812     for (y = 0; y < lev_fieldy; y++)
9813       IntelliDrawBuffer[x][y] = Feld[x][y];
9814
9815   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9816 }
9817
9818 static void SetElementExt(int x, int y, int element, boolean change_level,
9819                           int button)
9820 {
9821   if (element < 0)
9822     SetElementSimple(x, y, Feld[x][y], change_level);
9823   else if (GetKeyModState() & KMOD_Shift)
9824     SetElementIntelliDraw(x, y, element, change_level, button);
9825   else
9826     SetElementSimple(x, y, element, change_level);
9827 }
9828
9829 static void SetElement(int x, int y, int element)
9830 {
9831   SetElementExt(x, y, element, TRUE, -1);
9832 }
9833
9834 static void SetElementButton(int x, int y, int element, int button)
9835 {
9836   SetElementExt(x, y, element, TRUE, button);
9837 }
9838
9839 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9840 {
9841   int lx = sx + level_xpos;
9842   int ly = sy + level_ypos;
9843
9844   SetElementExt(lx, ly, element, change_level, -1);
9845 }
9846
9847 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9848                      int element, boolean change_level)
9849 {
9850   int xsize = ABS(to_x - from_x);
9851   int ysize = ABS(to_y - from_y);
9852   int dx = (to_x < from_x ? -1 : +1);
9853   int dy = (to_y < from_y ? -1 : +1);
9854   int i;
9855
9856   if (from_y == to_y)                   /* horizontal line */
9857   {
9858     for (i = 0; i <= xsize; i++)
9859       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9860   }
9861   else if (from_x == to_x)              /* vertical line */
9862   {
9863     for (i = 0; i <= ysize; i++)
9864       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9865   }
9866   else                                  /* diagonal line */
9867   {
9868     if (ysize < xsize)                  /* a < 1 */
9869     {
9870       float a = (float)ysize / (float)xsize;
9871
9872       for (i = 0; i <= xsize; i++)
9873       {
9874         int x = dx * i;
9875         int y = dy * (int)(a * i + 0.5);
9876
9877         DrawLineElement(from_x + x, from_y + y, element, change_level);
9878       }
9879     }
9880     else                                /* a >= 1 */
9881     {
9882       float a = (float)xsize / (float)ysize;
9883
9884       for (i = 0; i <= ysize; i++)
9885       {
9886         int x = dx * (int)(a * i + 0.5);
9887         int y = dy * i;
9888
9889         DrawLineElement(from_x + x, from_y + y, element, change_level);
9890       }
9891     }
9892   }
9893 }
9894
9895 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
9896                     int element, boolean change_level)
9897 {
9898   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
9899   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
9900   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
9901   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
9902 }
9903
9904 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
9905                           int element, boolean change_level)
9906 {
9907   int y;
9908
9909   if (from_y > to_y)
9910     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
9911
9912   for (y = from_y; y <= to_y; y++)
9913     DrawLine(from_x, y, to_x, y, element, change_level);
9914 }
9915
9916 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
9917                        int element, boolean change_level)
9918 {
9919   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
9920   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
9921   int len_x = ABS(to_x - from_x);
9922   int len_y = ABS(to_y - from_y);
9923   int radius, x, y;
9924
9925   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
9926
9927   /* not optimal (some points get drawn twice) but simple,
9928      and fast enough for the few points we are drawing */
9929
9930   for (x = 0; x <= radius; x++)
9931   {
9932     int sx, sy, lx, ly;
9933
9934     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
9935
9936     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9937     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9938     lx = sx + level_xpos;
9939     ly = sy + level_ypos;
9940
9941     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9942       DrawLineElement(sx, sy, element, change_level);
9943   }
9944
9945   for (y = 0; y <= radius; y++)
9946   {
9947     int sx, sy, lx, ly;
9948
9949     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
9950
9951     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
9952     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
9953     lx = sx + level_xpos;
9954     ly = sy + level_ypos;
9955
9956     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
9957       DrawLineElement(sx, sy, element, change_level);
9958   }
9959 }
9960
9961 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
9962                     int element, boolean change_level)
9963 {
9964   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9965   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9966
9967   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9968 }
9969
9970 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
9971
9972 #if DRAW_CIRCLES_BUTTON_AVAILABLE
9973 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
9974                        int element, boolean change_level)
9975 {
9976   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
9977   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
9978   int mirror_to_x2 = from_x - (to_x2 - from_x);
9979   int mirror_to_y2 = from_y - (to_y2 - from_y);
9980
9981   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
9982   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
9983   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
9984   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
9985 }
9986 #endif
9987
9988 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
9989 {
9990   int from_sx, from_sy;
9991   int to_sx, to_sy;
9992
9993   if (from_x > to_x)
9994     swap_numbers(&from_x, &to_x);
9995
9996   if (from_y > to_y)
9997     swap_numbers(&from_y, &to_y);
9998
9999   from_sx = SX + from_x * MINI_TILEX;
10000   from_sy = SY + from_y * MINI_TILEY;
10001   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10002   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10003
10004   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10005   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10006   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10007   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10008
10009   if (from_x == to_x && from_y == to_y)
10010     MarkTileDirty(from_x/2, from_y/2);
10011   else
10012     redraw_mask |= REDRAW_FIELD;
10013 }
10014
10015 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10016                        int element, boolean change_level)
10017 {
10018   if (element == -1 || change_level)
10019     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10020   else
10021     DrawAreaBorder(from_x, from_y, to_x, to_y);
10022 }
10023
10024 /* values for CopyBrushExt() */
10025 #define CB_AREA_TO_BRUSH        0
10026 #define CB_BRUSH_TO_CURSOR      1
10027 #define CB_BRUSH_TO_LEVEL       2
10028 #define CB_DELETE_OLD_CURSOR    3
10029 #define CB_DUMP_BRUSH           4
10030 #define CB_DUMP_BRUSH_SMALL     5
10031
10032 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10033                          int button, int mode)
10034 {
10035   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10036   static int brush_width, brush_height;
10037   static int last_cursor_x = -1, last_cursor_y = -1;
10038   static boolean delete_old_brush;
10039   int new_element = BUTTON_ELEMENT(button);
10040   int x, y;
10041
10042   if (mode == CB_DUMP_BRUSH ||
10043       mode == CB_DUMP_BRUSH_SMALL)
10044   {
10045     if (!draw_with_brush)
10046     {
10047       Error(ERR_WARN, "no brush selected");
10048
10049       return;
10050     }
10051
10052     for (y = 0; y < brush_height; y++)
10053     {
10054       for (x = 0; x < brush_width; x++)
10055       {
10056         int element = brush_buffer[x][y];
10057         int element_mapped = element;
10058
10059         if (IS_CUSTOM_ELEMENT(element))
10060           element_mapped = EL_CUSTOM_START;
10061         else if (IS_GROUP_ELEMENT(element))
10062           element_mapped = EL_GROUP_START;
10063         else if (element >= NUM_FILE_ELEMENTS)
10064           element_mapped = EL_UNKNOWN;
10065
10066         // dump brush as level sketch text for the R'n'D forum:
10067         // - large tiles: `xxx (0x60 ASCII)
10068         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10069         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10070       }
10071
10072       printf("\n");
10073     }
10074
10075     return;
10076   }
10077
10078   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10079     return;
10080
10081   if (mode == CB_AREA_TO_BRUSH)
10082   {
10083     int from_lx, from_ly;
10084
10085     if (from_x > to_x)
10086       swap_numbers(&from_x, &to_x);
10087
10088     if (from_y > to_y)
10089       swap_numbers(&from_y, &to_y);
10090
10091     brush_width = to_x - from_x + 1;
10092     brush_height = to_y - from_y + 1;
10093
10094     from_lx = from_x + level_xpos;
10095     from_ly = from_y + level_ypos;
10096
10097     for (y = 0; y < brush_height; y++)
10098     {
10099       for (x = 0; x < brush_width; x++)
10100       {
10101         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10102
10103         if (button != 1)
10104           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10105       }
10106     }
10107
10108     if (button != 1)
10109       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10110
10111     delete_old_brush = FALSE;
10112   }
10113   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10114            mode == CB_BRUSH_TO_LEVEL)
10115   {
10116     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10117     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10118     int cursor_from_x = cursor_x - brush_width / 2;
10119     int cursor_from_y = cursor_y - brush_height / 2;
10120     int border_from_x = cursor_x, border_from_y = cursor_y;
10121     int border_to_x = cursor_x, border_to_y = cursor_y;
10122
10123     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10124       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10125
10126     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10127         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10128     {
10129       delete_old_brush = FALSE;
10130       return;
10131     }
10132
10133     for (y = 0; y < brush_height; y++)
10134     {
10135       for (x = 0; x < brush_width; x++)
10136       {
10137         int sx = cursor_from_x + x;
10138         int sy = cursor_from_y + y;
10139         int lx = sx + level_xpos;
10140         int ly = sy + level_ypos;
10141         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10142         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10143                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10144                        brush_buffer[x][y] : new_element);
10145
10146         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10147         {
10148           if (sx < border_from_x)
10149             border_from_x = sx;
10150           else if (sx > border_to_x)
10151             border_to_x = sx;
10152           if (sy < border_from_y)
10153             border_from_y = sy;
10154           else if (sy > border_to_y)
10155             border_to_y = sy;
10156
10157           DrawLineElement(sx, sy, element, change_level);
10158         }
10159       }
10160     }
10161
10162     if (mode != CB_DELETE_OLD_CURSOR)
10163       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10164
10165     last_cursor_x = cursor_x;
10166     last_cursor_y = cursor_y;
10167     delete_old_brush = TRUE;
10168   }
10169 }
10170
10171 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10172                             int button)
10173 {
10174   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10175 }
10176
10177 static void CopyBrushToLevel(int x, int y, int button)
10178 {
10179   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10180 }
10181
10182 static void CopyBrushToCursor(int x, int y)
10183 {
10184   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10185 }
10186
10187 static void DeleteBrushFromCursor()
10188 {
10189   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10190 }
10191
10192 void DumpBrush()
10193 {
10194   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10195 }
10196
10197 void DumpBrush_Small()
10198 {
10199   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10200 }
10201
10202 static void FloodFill(int from_x, int from_y, int fill_element)
10203 {
10204   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10205 }
10206
10207 /* values for DrawLevelText() modes */
10208 #define TEXT_INIT               0
10209 #define TEXT_SETCURSOR          1
10210 #define TEXT_WRITECHAR          2
10211 #define TEXT_BACKSPACE          3
10212 #define TEXT_NEWLINE            4
10213 #define TEXT_END                5
10214 #define TEXT_QUERY_TYPING       6
10215
10216 static int DrawLevelText(int sx, int sy, char letter, int mode)
10217 {
10218   static short delete_buffer[MAX_LEV_FIELDX];
10219   static int start_sx;
10220   static int last_sx, last_sy;
10221   static boolean typing = FALSE;
10222   int letter_element = EL_CHAR_ASCII0 + letter;
10223   int lx = 0, ly = 0;
10224
10225   /* map lower case letters to upper case and convert special characters */
10226   if (letter >= 'a' && letter <= 'z')
10227     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10228   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10229     letter_element = EL_CHAR_AUMLAUT;
10230   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10231     letter_element = EL_CHAR_OUMLAUT;
10232   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10233     letter_element = EL_CHAR_UUMLAUT;
10234   else if (letter == '^')
10235     letter_element = EL_CHAR_COPYRIGHT;
10236   else
10237     letter_element = EL_CHAR_ASCII0 + letter;
10238
10239   if (mode != TEXT_INIT)
10240   {
10241     if (!typing)
10242       return FALSE;
10243
10244     if (mode != TEXT_SETCURSOR)
10245     {
10246       sx = last_sx;
10247       sy = last_sy;
10248     }
10249
10250     lx = last_sx + level_xpos;
10251     ly = last_sy + level_ypos;
10252   }
10253
10254   switch (mode)
10255   {
10256     case TEXT_INIT:
10257       if (typing)
10258         DrawLevelText(0, 0, 0, TEXT_END);
10259
10260       typing = TRUE;
10261       start_sx = sx;
10262       last_sx = sx;
10263       last_sy = sy;
10264       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10265       break;
10266
10267     case TEXT_SETCURSOR:
10268       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10269       DrawAreaBorder(sx, sy, sx, sy);
10270       last_sx = sx;
10271       last_sy = sy;
10272       break;
10273
10274     case TEXT_WRITECHAR:
10275       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10276       {
10277         if (new_element1 >= EL_STEEL_CHAR_START &&
10278             new_element1 <= EL_STEEL_CHAR_END)
10279           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10280
10281         delete_buffer[sx - start_sx] = Feld[lx][ly];
10282         Feld[lx][ly] = letter_element;
10283
10284         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10285           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10286         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10287           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10288         else
10289           DrawLevelText(0, 0, 0, TEXT_END);
10290
10291         level.changed = TRUE;
10292       }
10293       break;
10294
10295     case TEXT_BACKSPACE:
10296       if (sx > start_sx)
10297       {
10298         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10299         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10300         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10301       }
10302       break;
10303
10304     case TEXT_NEWLINE:
10305       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10306         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10307       else
10308         DrawLevelText(0, 0, 0, TEXT_END);
10309       break;
10310
10311     case TEXT_END:
10312       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10313       DrawMiniElement(sx, sy, Feld[lx][ly]);
10314       typing = FALSE;
10315       break;
10316
10317     case TEXT_QUERY_TYPING:
10318       break;
10319
10320     default:
10321       break;
10322   }
10323
10324   return typing;
10325 }
10326
10327 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10328                           int element, boolean change_level)
10329 {
10330   int lx = sx + level_xpos;
10331   int ly = sy + level_ypos;
10332
10333   if (element == -1)
10334     DrawMiniElement(sx, sy, Feld[lx][ly]);
10335   else
10336     DrawAreaBorder(sx, sy, sx, sy);
10337 }
10338
10339 static void CheckLevelBorderElement(boolean redraw_playfield)
10340 {
10341   int last_border_element = BorderElement;
10342
10343   SetBorderElement();
10344
10345   if (redraw_playfield && BorderElement != last_border_element)
10346     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10347 }
10348
10349 static void CopyLevelToUndoBuffer(int mode)
10350 {
10351   static boolean accumulated_undo = FALSE;
10352   boolean new_undo_buffer_position = TRUE;
10353   int x, y;
10354
10355   switch (mode)
10356   {
10357     case UNDO_IMMEDIATE:
10358       accumulated_undo = FALSE;
10359       break;
10360
10361     case UNDO_ACCUMULATE:
10362       if (accumulated_undo)
10363         new_undo_buffer_position = FALSE;
10364       accumulated_undo = TRUE;
10365       break;
10366
10367     default:
10368       break;
10369   }
10370
10371   if (new_undo_buffer_position)
10372   {
10373     /* new position in undo buffer ring */
10374     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10375
10376     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10377       undo_buffer_steps++;
10378   }
10379
10380   for (x = 0; x < lev_fieldx; x++)
10381     for (y = 0; y < lev_fieldy; y++)
10382       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10383
10384   /* check if drawing operation forces change of border style */
10385   CheckLevelBorderElement(TRUE);
10386
10387   level.changed = TRUE;
10388 }
10389
10390 static void RandomPlacement(int new_element)
10391 {
10392   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10393   int num_free_positions = 0;
10394   int num_percentage, num_elements;
10395   int x, y;
10396
10397   ResetIntelliDraw();
10398
10399   /* determine number of free positions for randomly placing the new element */
10400   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10401   {
10402     free_position[x][y] =
10403       (random_placement_background_restricted ?
10404        Feld[x][y] == random_placement_background_element :
10405        Feld[x][y] != new_element);
10406
10407     if (free_position[x][y])
10408       num_free_positions++;
10409   }
10410
10411   /* determine number of new elements to place there */
10412   num_percentage = num_free_positions * random_placement_value / 100;
10413   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10414                   num_percentage : random_placement_value);
10415
10416   /* if less free positions than elements to place, fill all these positions */
10417   if (num_free_positions < num_elements)
10418   {
10419     for (x = 0; x < lev_fieldx; x++)
10420       for (y = 0; y < lev_fieldy; y++)
10421         if (free_position[x][y])
10422           SetElement(x, y, new_element);
10423   }
10424   else
10425   {
10426     while (num_elements > 0)
10427     {
10428       x = GetSimpleRandom(lev_fieldx);
10429       y = GetSimpleRandom(lev_fieldy);
10430
10431       /* don't place element at the same position twice */
10432       if (free_position[x][y])
10433       {
10434         free_position[x][y] = FALSE;
10435         SetElement(x, y, new_element);
10436         num_elements--;
10437       }
10438     }
10439   }
10440
10441   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10442   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10443 }
10444
10445 void WrapLevel(int dx, int dy)
10446 {
10447   int wrap_dx = lev_fieldx - dx;
10448   int wrap_dy = lev_fieldy - dy;
10449   int x, y;
10450
10451   for (x = 0; x < lev_fieldx; x++)
10452     for (y = 0; y < lev_fieldy; y++)
10453       FieldBackup[x][y] = Feld[x][y];
10454
10455   for (x = 0; x < lev_fieldx; x++)
10456     for (y = 0; y < lev_fieldy; y++)
10457       Feld[x][y] =
10458         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10459
10460   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10461   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10462 }
10463
10464 static void HandleDrawingAreas(struct GadgetInfo *gi)
10465 {
10466   static boolean started_inside_drawing_area = FALSE;
10467   int id = gi->custom_id;
10468   boolean button_press_event;
10469   boolean button_release_event;
10470   boolean inside_drawing_area = !gi->event.off_borders;
10471   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10472   int actual_drawing_function;
10473   int button = gi->event.button;
10474   int new_element = BUTTON_ELEMENT(button);
10475   int sx = gi->event.x, sy = gi->event.y;
10476   int min_sx = 0, min_sy = 0;
10477   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10478   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10479   int lx = 0, ly = 0;
10480   int min_lx = 0, min_ly = 0;
10481   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10482   int x, y;
10483
10484   /* handle info callback for each invocation of action callback */
10485   gi->callback_info(gi);
10486
10487   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10488   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10489
10490   /* make sure to stay inside drawing area boundaries */
10491   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10492   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10493
10494   if (draw_level)
10495   {
10496     /* get positions inside level field */
10497     lx = sx + level_xpos;
10498     ly = sy + level_ypos;
10499
10500     if (!IN_LEV_FIELD(lx, ly))
10501       inside_drawing_area = FALSE;
10502
10503     /* make sure to stay inside level field boundaries */
10504     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10505     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10506
10507     /* correct drawing area positions accordingly */
10508     sx = lx - level_xpos;
10509     sy = ly - level_ypos;
10510   }
10511
10512   if (button_press_event)
10513     started_inside_drawing_area = inside_drawing_area;
10514
10515   if (!started_inside_drawing_area)
10516     return;
10517
10518   if (!IS_VALID_BUTTON(button))
10519     return;
10520
10521   if (!button && !button_release_event)
10522     return;
10523
10524   /* automatically switch to 'single item' drawing mode, if needed */
10525   actual_drawing_function =
10526     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10527      drawing_function : GADGET_ID_SINGLE_ITEMS);
10528
10529   /* clicking into drawing area with pressed Control key picks element */
10530   if (GetKeyModState() & KMOD_Control)
10531   {
10532     last_drawing_function = drawing_function;
10533     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10534   }
10535
10536   if (GetKeyModState() & KMOD_Shift)
10537   {
10538     if (button_press_event || button_release_event)
10539       ResetIntelliDraw();
10540   }
10541
10542   switch (actual_drawing_function)
10543   {
10544     case GADGET_ID_SINGLE_ITEMS:
10545       if (draw_level)
10546       {
10547         if (button_release_event)
10548         {
10549           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10550
10551           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10552               !inside_drawing_area)
10553             DeleteBrushFromCursor();
10554         }
10555
10556         if (!button || button_release_event)
10557           break;
10558
10559         if (draw_with_brush)
10560         {
10561           CopyBrushToLevel(sx, sy, button);
10562         }
10563         else
10564         {
10565           if (new_element == EL_PLAYER_1)
10566           {
10567             /* remove player at old position */
10568             for (y = 0; y < lev_fieldy; y++)
10569               for (x = 0; x < lev_fieldx; x++)
10570                 if (Feld[x][y] == EL_PLAYER_1)
10571                   SetElement(x, y, EL_EMPTY);
10572           }
10573
10574           SetElementButton(lx, ly, new_element, button);
10575         }
10576       }
10577       else
10578       {
10579         int type_id = gi->custom_type_id;
10580         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10581
10582         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10583           DrawMiniGraphicExt(drawto,
10584                              gi->x + sx * MINI_TILEX,
10585                              gi->y + sy * MINI_TILEY,
10586                              el2edimg(new_element));
10587         else
10588           DrawFixedGraphicExt(drawto,
10589                               gi->x + sx * TILEX,
10590                               gi->y + sy * TILEY,
10591                               el2img(new_element), 0);
10592
10593         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10594           new_element = GFX_ELEMENT(new_element);
10595
10596         drawingarea_info[type_id].value[pos] = new_element;
10597
10598         CopyElementPropertiesToGame(properties_element);
10599
10600         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10601         {
10602           UpdateCustomElementGraphicGadgets();
10603
10604           FrameCounter = 0;     /* restart animation frame counter */
10605         }
10606       }
10607       break;
10608
10609     case GADGET_ID_CONNECTED_ITEMS:
10610       {
10611         static int last_sx = -1;
10612         static int last_sy = -1;
10613
10614         if (button_release_event)
10615           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10616
10617         if (button)
10618         {
10619           if (!button_press_event)
10620             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10621
10622           last_sx = sx;
10623           last_sy = sy;
10624         }
10625       }
10626       break;
10627
10628     case GADGET_ID_LINE:
10629     case GADGET_ID_ARC:
10630     case GADGET_ID_RECTANGLE:
10631     case GADGET_ID_FILLED_BOX:
10632     case GADGET_ID_GRAB_BRUSH:
10633     case GADGET_ID_TEXT:
10634       {
10635         static int last_sx = -1;
10636         static int last_sy = -1;
10637         static int start_sx = -1;
10638         static int start_sy = -1;
10639         void (*draw_func)(int, int, int, int, int, boolean);
10640
10641         if (drawing_function == GADGET_ID_LINE)
10642           draw_func = DrawLine;
10643         else if (drawing_function == GADGET_ID_ARC)
10644           draw_func = DrawArc;
10645         else if (drawing_function == GADGET_ID_RECTANGLE)
10646           draw_func = DrawBox;
10647         else if (drawing_function == GADGET_ID_FILLED_BOX)
10648           draw_func = DrawFilledBox;
10649         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10650           draw_func = SelectArea;
10651         else /* (drawing_function == GADGET_ID_TEXT) */
10652           draw_func = SetTextCursor;
10653
10654         if (button_press_event)
10655         {
10656           draw_func(sx, sy, sx, sy, new_element, FALSE);
10657           start_sx = last_sx = sx;
10658           start_sy = last_sy = sy;
10659
10660           if (drawing_function == GADGET_ID_TEXT)
10661             DrawLevelText(0, 0, 0, TEXT_END);
10662         }
10663         else if (button_release_event)
10664         {
10665           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10666           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10667           {
10668             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10669             CopyBrushToCursor(sx, sy);
10670             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10671                           MB_LEFTBUTTON);
10672             draw_with_brush = TRUE;
10673           }
10674           else if (drawing_function == GADGET_ID_TEXT)
10675             DrawLevelText(sx, sy, 0, TEXT_INIT);
10676           else
10677             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10678         }
10679         else if (last_sx != sx || last_sy != sy)
10680         {
10681           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10682           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10683           last_sx = sx;
10684           last_sy = sy;
10685         }
10686       }
10687       break;
10688
10689     case GADGET_ID_FLOOD_FILL:
10690       if (button_press_event && Feld[lx][ly] != new_element)
10691       {
10692         FloodFill(lx, ly, new_element);
10693         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10694         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10695       }
10696       break;
10697
10698     case GADGET_ID_PICK_ELEMENT:
10699       if (button_release_event)
10700         ClickOnGadget(level_editor_gadget[last_drawing_function],
10701                       MB_LEFTBUTTON);
10702       else if (draw_level)
10703         PickDrawingElement(button, Feld[lx][ly]);
10704       else
10705       {
10706         int type_id = gi->custom_type_id;
10707         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10708
10709         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10710       }
10711
10712       break;
10713
10714     default:
10715       break;
10716   }
10717 }
10718
10719 static void HandleCounterButtons(struct GadgetInfo *gi)
10720 {
10721   int gadget_id = gi->custom_id;
10722   int counter_id = gi->custom_type_id;
10723   int button = gi->event.button;
10724   int *counter_value = counterbutton_info[counter_id].value;
10725   int step = BUTTON_STEPSIZE(button) *
10726     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10727
10728   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10729   {
10730     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10731     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10732     boolean level_changed = LevelChanged();
10733
10734     if ((level_changed && pressed) || (!level_changed && released))
10735       return;
10736
10737     if (level_changed && !Request("Level has changed! Discard changes?",
10738                                   REQ_ASK))
10739     {
10740       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10741         ModifyEditorCounterValue(counter_id, *counter_value);
10742
10743       return;
10744     }
10745   }
10746
10747   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10748     *counter_value = gi->textinput.number_value;
10749   else
10750     ModifyEditorCounterValue(counter_id, *counter_value + step);
10751
10752   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10753   {
10754       LoadLevel(level_nr);
10755       LoadScore(level_nr);
10756
10757       TapeErase();
10758
10759       ResetUndoBuffer();
10760       DrawEditModeWindow();
10761
10762       return;
10763   }
10764
10765   switch (counter_id)
10766   {
10767     case ED_COUNTER_ID_YAMYAM_CONTENT:
10768       DrawYamYamContentAreas();
10769       break;
10770
10771     case ED_COUNTER_ID_BALL_CONTENT:
10772       DrawMagicBallContentAreas();
10773       break;
10774
10775     case ED_COUNTER_ID_ANDROID_CONTENT:
10776       DrawAndroidElementArea(properties_element);
10777       break;
10778
10779     case ED_COUNTER_ID_GROUP_CONTENT:
10780       DrawGroupElementArea(properties_element);
10781       CopyGroupElementPropertiesToGame(properties_element);
10782       break;
10783
10784     case ED_COUNTER_ID_INVENTORY_SIZE:
10785       DrawPlayerInitialInventoryArea(properties_element);
10786       break;
10787
10788     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10789     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10790       DrawEnvelopeTextArea(-1);
10791       break;
10792
10793     case ED_COUNTER_ID_LEVEL_XSIZE:
10794     case ED_COUNTER_ID_LEVEL_YSIZE:
10795       lev_fieldx = level.fieldx;
10796       lev_fieldy = level.fieldy;
10797       break;
10798
10799     default:
10800       break;
10801   }
10802
10803   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10804        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10805       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10806        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10807     CopyElementPropertiesToGame(properties_element);
10808
10809   level.changed = TRUE;
10810 }
10811
10812 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10813 {
10814   int type_id = gi->custom_type_id;
10815
10816   strcpy(textinput_info[type_id].value, gi->textinput.value);
10817
10818   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10819   {
10820     CopyElementPropertiesToGame(properties_element);
10821
10822     ModifyEditorElementList();  /* update changed button info text */
10823   }
10824
10825   level.changed = TRUE;
10826 }
10827
10828 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10829 {
10830   int type_id = gi->custom_type_id;
10831
10832   strncpy(textarea_info[type_id].value, gi->textarea.value,
10833           MAX_ENVELOPE_TEXT_LEN);
10834   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10835
10836   level.changed = TRUE;
10837 }
10838
10839 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10840 {
10841   int type_id = gi->custom_type_id;
10842   int value_old = *selectbox_info[type_id].value;
10843   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10844
10845   *selectbox_info[type_id].value = value_new;
10846
10847   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10848   {
10849     element_info[properties_element].current_change_page = gi->selectbox.index;
10850
10851     DrawPropertiesWindow();
10852   }
10853   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10854             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10855            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10856             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10857            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10858   {
10859     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10860     {
10861       /* when changing action type, also check action mode and action arg */
10862       if (value_old != value_new)
10863         setSelectboxSpecialActionVariablesIfNeeded();
10864
10865       DrawPropertiesChange();
10866     }
10867
10868     CopyElementPropertiesToGame(properties_element);
10869
10870     level.changed = TRUE;
10871   }
10872 }
10873
10874 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
10875 {
10876   int type_id = gi->custom_type_id;
10877   int i;
10878
10879   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
10880       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
10881   {
10882     edit_mode_levelinfo = gi->custom_type_id;
10883
10884     DrawLevelInfoWindow();
10885   }
10886   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
10887            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
10888   {
10889     edit_mode_properties = gi->custom_type_id;
10890
10891     DrawPropertiesWindow();
10892   }
10893   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
10894   {
10895     char *template_filename = getDefaultLevelFilename(-1);
10896     boolean new_template = !fileExists(template_filename);
10897
10898     /* backup original "level.field" (needed to track playfield changes) */
10899     CopyPlayfield(level.field, FieldBackup);
10900
10901     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
10902     CopyPlayfield(Feld, level.field);
10903
10904     if (new_template ||
10905         Request("Save this template and kill the old?", REQ_ASK))
10906       SaveLevelTemplate();
10907
10908     if (new_template)
10909       Request("Template saved!", REQ_CONFIRM);
10910
10911     /* restore original "level.field" (needed to track playfield changes) */
10912     CopyPlayfield(FieldBackup, level.field);
10913   }
10914   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
10915            custom_element.num_change_pages < MAX_CHANGE_PAGES)
10916   {
10917     struct ElementInfo *ei = &element_info[properties_element];
10918
10919     setElementChangePages(ei, ei->num_change_pages + 1);
10920
10921     /* set new change page to be new current change page */
10922     ei->current_change_page = ei->num_change_pages - 1;
10923     ei->change = &ei->change_page[ei->current_change_page];
10924
10925     setElementChangeInfoToDefaults(ei->change);
10926
10927     DrawPropertiesWindow();
10928
10929     level.changed = TRUE;
10930   }
10931   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
10932            custom_element.num_change_pages > MIN_CHANGE_PAGES)
10933   {
10934     struct ElementInfo *ei = &element_info[properties_element];
10935
10936     /* copy all change pages after change page to be deleted */
10937     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
10938       ei->change_page[i] = ei->change_page[i + 1];
10939
10940     setElementChangePages(ei, ei->num_change_pages - 1);
10941
10942     DrawPropertiesWindow();
10943
10944     level.changed = TRUE;
10945   }
10946 }
10947
10948 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
10949 {
10950   int type_id = gi->custom_type_id;
10951
10952   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
10953       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
10954   {
10955     struct ElementInfo *ei = &element_info[properties_element];
10956     int step = BUTTON_STEPSIZE(gi->event.button);
10957
10958     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
10959     ei->current_change_page += step;
10960
10961     if (ei->current_change_page < 0)
10962       ei->current_change_page = 0;
10963     else if (ei->current_change_page >= ei->num_change_pages)
10964       ei->current_change_page = ei->num_change_pages - 1;
10965
10966     DrawPropertiesWindow();
10967   }
10968   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
10969            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10970   {
10971     struct ElementInfo *ei = &element_info[properties_element];
10972     int current_change_page = ei->current_change_page;
10973
10974     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
10975       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
10976         ei->change_page[current_change_page];
10977     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
10978     {
10979       ei->change_page[current_change_page] =
10980         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
10981
10982       level.changed = TRUE;
10983     }
10984
10985     DrawPropertiesWindow();
10986   }
10987 }
10988
10989 static void HandleRadiobuttons(struct GadgetInfo *gi)
10990 {
10991   *radiobutton_info[gi->custom_type_id].value =
10992     radiobutton_info[gi->custom_type_id].checked_value;
10993
10994   level.changed = TRUE;
10995 }
10996
10997 static void HandleCheckbuttons(struct GadgetInfo *gi)
10998 {
10999   int type_id = gi->custom_type_id;
11000
11001   *checkbutton_info[type_id].value ^= TRUE;
11002
11003   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11004       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11005       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11006       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11007          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11008         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11009          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11010        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11011   {
11012     CopyElementPropertiesToGame(properties_element);
11013   }
11014
11015   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11016   {
11017     UpdateCustomElementGraphicGadgets();
11018   }
11019   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11020   {
11021     char *template_filename = getDefaultLevelFilename(-1);
11022
11023     if (level.use_custom_template && !fileExists(template_filename))
11024     {
11025       Request("No level template found!", REQ_CONFIRM);
11026
11027       level.use_custom_template = FALSE;
11028       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11029
11030       return;
11031     }
11032
11033     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11034
11035     DrawEditModeWindow();
11036   }
11037
11038   level.changed = TRUE;
11039 }
11040
11041 static void HandleControlButtons(struct GadgetInfo *gi)
11042 {
11043   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11044   static int last_edit_mode = ED_MODE_DRAWING;
11045   static int last_custom_copy_mode = -1;
11046   int id = gi->custom_id;
11047   int button = gi->event.button;
11048   int step = BUTTON_STEPSIZE(button);
11049   int new_element = BUTTON_ELEMENT(button);
11050   int x, y;
11051
11052   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11053     DrawLevelText(0, 0, 0, TEXT_END);
11054
11055   if (id < ED_NUM_CTRL1_BUTTONS &&
11056       id != GADGET_ID_SINGLE_ITEMS &&
11057       id != GADGET_ID_PROPERTIES &&
11058       id != GADGET_ID_PICK_ELEMENT &&
11059       edit_mode != ED_MODE_DRAWING &&
11060       drawing_function != GADGET_ID_PICK_ELEMENT &&
11061       !(GetKeyModState() & KMOD_Control))
11062   {
11063     DrawDrawingWindow();
11064     edit_mode = ED_MODE_DRAWING;
11065   }
11066
11067   /* element copy mode active, but no element button pressed => deactivate */
11068   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11069     last_custom_copy_mode = -1;
11070
11071   switch (id)
11072   {
11073     case GADGET_ID_SCROLL_LEFT:
11074       if (level_xpos >= 0)
11075       {
11076         if (lev_fieldx < ed_fieldx - 2)
11077           break;
11078
11079         level_xpos -= step;
11080         if (level_xpos < -1)
11081           level_xpos = -1;
11082         if (button == 1)
11083           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11084         else
11085           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11086
11087         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11088                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11089       }
11090       break;
11091
11092     case GADGET_ID_SCROLL_RIGHT:
11093       if (level_xpos <= lev_fieldx - ed_fieldx)
11094       {
11095         if (lev_fieldx < ed_fieldx - 2)
11096           break;
11097
11098         level_xpos += step;
11099         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11100           level_xpos = lev_fieldx - ed_fieldx + 1;
11101         if (button == 1)
11102           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11103         else
11104           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11105
11106         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11107                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11108       }
11109       break;
11110
11111     case GADGET_ID_SCROLL_UP:
11112       if (level_ypos >= 0)
11113       {
11114         if (lev_fieldy < ed_fieldy - 2)
11115           break;
11116
11117         level_ypos -= step;
11118         if (level_ypos < -1)
11119           level_ypos = -1;
11120         if (button == 1)
11121           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11122         else
11123           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11124
11125         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11126                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11127       }
11128       break;
11129
11130     case GADGET_ID_SCROLL_DOWN:
11131       if (level_ypos <= lev_fieldy - ed_fieldy)
11132       {
11133         if (lev_fieldy < ed_fieldy - 2)
11134           break;
11135
11136         level_ypos += step;
11137         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11138           level_ypos = lev_fieldy - ed_fieldy + 1;
11139         if (button == 1)
11140           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11141         else
11142           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11143
11144         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11145                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11146       }
11147       break;
11148
11149     case GADGET_ID_SCROLL_HORIZONTAL:
11150       level_xpos = gi->event.item_position - 1;
11151       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11152       break;
11153
11154     case GADGET_ID_SCROLL_VERTICAL:
11155       level_ypos = gi->event.item_position - 1;
11156       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11157       break;
11158
11159     case GADGET_ID_SCROLL_LIST_UP:
11160     case GADGET_ID_SCROLL_LIST_DOWN:
11161     case GADGET_ID_SCROLL_LIST_VERTICAL:
11162       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11163         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11164       else
11165       {
11166         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11167         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11168
11169         if (element_shift < 0)
11170           element_shift = 0;
11171         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11172           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11173
11174         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11175                      GDI_SCROLLBAR_ITEM_POSITION,
11176                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11177       }
11178
11179       ModifyEditorElementList();
11180
11181       break;
11182
11183     case GADGET_ID_WRAP_LEFT:
11184       WrapLevel(-step, 0);
11185       break;
11186
11187     case GADGET_ID_WRAP_RIGHT:
11188       WrapLevel(step, 0);
11189       break;
11190
11191     case GADGET_ID_WRAP_UP:
11192       WrapLevel(0, -step);
11193       break;
11194
11195     case GADGET_ID_WRAP_DOWN:
11196       WrapLevel(0, step);
11197       break;
11198
11199     case GADGET_ID_SINGLE_ITEMS:
11200     case GADGET_ID_CONNECTED_ITEMS:
11201     case GADGET_ID_LINE:
11202     case GADGET_ID_ARC:
11203     case GADGET_ID_TEXT:
11204     case GADGET_ID_RECTANGLE:
11205     case GADGET_ID_FILLED_BOX:
11206     case GADGET_ID_FLOOD_FILL:
11207     case GADGET_ID_GRAB_BRUSH:
11208     case GADGET_ID_PICK_ELEMENT:
11209       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11210         last_drawing_function = drawing_function;
11211       drawing_function = id;
11212       draw_with_brush = FALSE;
11213       break;
11214
11215     case GADGET_ID_RANDOM_PLACEMENT:
11216       RandomPlacement(new_element);
11217       break;
11218
11219     case GADGET_ID_PROPERTIES:
11220       if (edit_mode != ED_MODE_PROPERTIES)
11221       {
11222         properties_element = new_element;
11223         DrawPropertiesWindow();
11224         edit_mode = ED_MODE_PROPERTIES;
11225
11226         last_level_drawing_function = drawing_function;
11227         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11228                       MB_LEFTBUTTON);
11229       }
11230       else
11231       {
11232         DrawDrawingWindow();
11233         edit_mode = ED_MODE_DRAWING;
11234
11235         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11236                       MB_LEFTBUTTON);
11237       }
11238       break;
11239
11240     case GADGET_ID_CUSTOM_COPY_FROM:
11241     case GADGET_ID_CUSTOM_COPY_TO:
11242     case GADGET_ID_CUSTOM_EXCHANGE:
11243       last_custom_copy_mode = id;
11244       last_drawing_function = drawing_function;
11245       break;
11246
11247     case GADGET_ID_CUSTOM_COPY:
11248       CopyCustomElement(properties_element, -1, id);
11249       break;
11250
11251     case GADGET_ID_CUSTOM_PASTE:
11252       CopyCustomElement(-1, properties_element, id);
11253       break;
11254
11255     case GADGET_ID_UNDO:
11256       if (undo_buffer_steps == 0)
11257       {
11258         Request("Undo buffer empty!", REQ_CONFIRM);
11259         break;
11260       }
11261
11262       if (edit_mode != ED_MODE_DRAWING)
11263       {
11264         DrawDrawingWindow();
11265         edit_mode = ED_MODE_DRAWING;
11266       }
11267
11268       undo_buffer_position =
11269         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11270       undo_buffer_steps--;
11271
11272       for (x = 0; x < lev_fieldx; x++)
11273         for (y = 0; y < lev_fieldy; y++)
11274           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11275
11276       /* check if undo operation forces change of border style */
11277       CheckLevelBorderElement(FALSE);
11278
11279       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11280
11281       break;
11282
11283     case GADGET_ID_INFO:
11284       if (edit_mode != ED_MODE_INFO)
11285       {
11286         last_edit_mode = edit_mode;
11287         edit_mode = ED_MODE_INFO;
11288
11289         DrawLevelInfoWindow();
11290       }
11291       else
11292       {
11293         edit_mode = last_edit_mode;
11294
11295         DrawEditModeWindow();
11296       }
11297       break;
11298
11299     case GADGET_ID_CLEAR:
11300       if (edit_mode != ED_MODE_DRAWING)
11301       {
11302         DrawDrawingWindow();
11303         edit_mode = ED_MODE_DRAWING;
11304       }
11305
11306       for (x = 0; x < MAX_LEV_FIELDX; x++)
11307         for (y = 0; y < MAX_LEV_FIELDY; y++)
11308           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11309
11310       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11311
11312       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11313       break;
11314
11315     case GADGET_ID_SAVE:
11316     {
11317       /* saving read-only levels into personal level set modifies global vars
11318          "leveldir_current" and "level_nr"; restore them after saving level */
11319       LevelDirTree *leveldir_former = leveldir_current;
11320       int level_nr_former = level_nr;
11321       char *level_filename;
11322       boolean new_level;
11323
11324       if (leveldir_current->readonly &&
11325           !PrepareSavingIntoPersonalLevelSet())
11326         break;
11327
11328       level_filename = getDefaultLevelFilename(level_nr);
11329       new_level = !fileExists(level_filename);
11330
11331       if (new_level ||
11332           Request("Save this level and kill the old?", REQ_ASK))
11333       {
11334         if (leveldir_former->readonly)
11335           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11336
11337         CopyPlayfield(Feld, level.field);
11338         SaveLevel(level_nr);
11339
11340         level.changed = FALSE;
11341
11342         if (new_level)
11343         {
11344           char level_saved_msg[64];
11345
11346           if (leveldir_former->readonly)
11347             sprintf(level_saved_msg,
11348                     "Level saved as level %d into personal level set!",
11349                     level_nr);
11350           else
11351             strcpy(level_saved_msg, "Level saved!");
11352
11353           Request(level_saved_msg, REQ_CONFIRM);
11354         }
11355       }
11356
11357       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11358       leveldir_current = leveldir_former;
11359       level_nr = level_nr_former;
11360
11361       break;
11362     }
11363
11364     case GADGET_ID_TEST:
11365       if (LevelChanged())
11366         level.game_version = GAME_VERSION_ACTUAL;
11367
11368       CopyPlayfield(level.field, FieldBackup);
11369       CopyPlayfield(Feld, level.field);
11370
11371       CopyNativeLevel_RND_to_Native(&level);
11372
11373       UnmapLevelEditorGadgets();
11374       UndrawSpecialEditorDoor();
11375
11376       CloseDoor(DOOR_CLOSE_ALL);
11377
11378       /* needed before playing if editor playfield area has different size */
11379       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11380
11381       // redraw_mask = REDRAW_ALL;
11382
11383       level_editor_test_game = TRUE;
11384
11385       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11386
11387       break;
11388
11389     case GADGET_ID_EXIT:
11390       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11391       break;
11392
11393     default:
11394       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11395           id <= GADGET_ID_ELEMENTLIST_LAST)
11396       {
11397         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11398         int new_element = editor_elements[element_position + element_shift];
11399
11400         if (IS_EDITOR_CASCADE(new_element))
11401         {
11402           int i;
11403
11404           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11405           {
11406             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11407             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11408
11409             if (*cascade_element == new_element)
11410             {
11411               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11412               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11413
11414               /* update element selection list */
11415               ReinitializeElementList();
11416               ModifyEditorElementList();
11417
11418               /* update cascading gadget info text */
11419               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11420
11421               /* save current editor cascading state */
11422               SaveSetup_EditorCascade();
11423
11424               break;
11425             }
11426           }
11427
11428           break;
11429         }
11430
11431         if (last_custom_copy_mode != -1)
11432         {
11433           if (CopyCustomElement(properties_element, new_element,
11434                                 last_custom_copy_mode))
11435           {
11436             ClickOnGadget(level_editor_gadget[last_drawing_function],
11437                           MB_LEFTBUTTON);
11438
11439             last_custom_copy_mode = -1;
11440           }
11441
11442           break;
11443         }
11444
11445         PickDrawingElement(button, new_element);
11446
11447         if (!stick_element_properties_window &&
11448             drawing_function != GADGET_ID_PICK_ELEMENT &&
11449             !(GetKeyModState() & KMOD_Control))
11450         {
11451           properties_element = new_element;
11452           if (edit_mode == ED_MODE_PROPERTIES)
11453             DrawPropertiesWindow();
11454         }
11455
11456         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11457           ClickOnGadget(level_editor_gadget[last_drawing_function],
11458                         MB_LEFTBUTTON);
11459       }
11460 #ifdef DEBUG
11461       else if (gi->event.type == GD_EVENT_PRESSED)
11462         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11463       else if (gi->event.type == GD_EVENT_RELEASED)
11464         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11465       else if (gi->event.type == GD_EVENT_MOVING)
11466         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11467       else
11468         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11469 #endif
11470       break;
11471   }
11472 }
11473
11474 void HandleLevelEditorKeyInput(Key key)
11475 {
11476   char letter = getCharFromKey(key);
11477   int button = MB_LEFTBUTTON;
11478
11479   if (drawing_function == GADGET_ID_TEXT &&
11480       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11481   {
11482     if (letter)
11483       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11484     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11485       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11486     else if (key == KSYM_Return)
11487       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11488     else if (key == KSYM_Escape)
11489       DrawLevelText(0, 0, 0, TEXT_END);
11490   }
11491   else if (button_status == MB_RELEASED)
11492   {
11493     int id = GADGET_ID_NONE;
11494     int new_element_shift = element_shift;
11495     int i;
11496
11497     switch (key)
11498     {
11499       case KSYM_Left:
11500         id = GADGET_ID_SCROLL_LEFT;
11501         break;
11502       case KSYM_Right:
11503         id = GADGET_ID_SCROLL_RIGHT;
11504         break;
11505       case KSYM_Up:
11506         id = GADGET_ID_SCROLL_UP;
11507         break;
11508       case KSYM_Down:
11509         id = GADGET_ID_SCROLL_DOWN;
11510         break;
11511       case KSYM_Page_Up:
11512         id = GADGET_ID_SCROLL_LIST_UP;
11513         button = MB_RIGHTBUTTON;
11514         break;
11515       case KSYM_Page_Down:
11516         id = GADGET_ID_SCROLL_LIST_DOWN;
11517         button = MB_RIGHTBUTTON;
11518         break;
11519
11520       case KSYM_Home:
11521       case KSYM_End:
11522         element_shift = (key == KSYM_Home ? 0 :
11523                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11524
11525         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11526                      GDI_SCROLLBAR_ITEM_POSITION,
11527                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11528
11529         ModifyEditorElementList();
11530
11531         break;
11532
11533       case KSYM_Insert:
11534       case KSYM_Delete:
11535
11536         /* this is needed to prevent interference with running "True X-Mouse" */
11537         if (GetKeyModStateFromEvents() & KMOD_Control)
11538           break;
11539
11540         /* check for last or next editor cascade block in element list */
11541         for (i = 0; i < num_editor_elements; i++)
11542         {
11543           if ((key == KSYM_Insert && i == element_shift) ||
11544               (key == KSYM_Delete && new_element_shift > element_shift))
11545             break;
11546
11547           /* jump to next cascade block (or to start of element list) */
11548           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11549             new_element_shift = i;
11550         }
11551
11552         if (i < num_editor_elements)
11553           element_shift = new_element_shift;
11554
11555         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11556           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11557
11558         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11559                      GDI_SCROLLBAR_ITEM_POSITION,
11560                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11561
11562         ModifyEditorElementList();
11563
11564         break;
11565
11566       case KSYM_Escape:
11567         if (edit_mode == ED_MODE_DRAWING)
11568         {
11569           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11570         }
11571         else if (edit_mode == ED_MODE_INFO)
11572         {
11573           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11574         }
11575         else if (edit_mode == ED_MODE_PROPERTIES)
11576         {
11577           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11578         }
11579         else            /* should never happen */
11580         {
11581           DrawDrawingWindow();
11582           edit_mode = ED_MODE_DRAWING;
11583         }
11584
11585         break;
11586
11587       default:
11588         break;
11589     }
11590
11591     if (id != GADGET_ID_NONE)
11592       ClickOnGadget(level_editor_gadget[id], button);
11593     else if (letter == '.')
11594       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11595     else if (key == KSYM_Return ||
11596              key == KSYM_space ||
11597              key == setup.shortcut.toggle_pause)
11598       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11599     else
11600       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11601         if (letter && letter == control_info[i].shortcut)
11602           if (!anyTextGadgetActive())
11603             ClickOnGadget(level_editor_gadget[i], button);
11604   }
11605 }
11606
11607 void HandleLevelEditorIdle()
11608 {
11609   static unsigned int action_delay = 0;
11610   unsigned int action_delay_value = GameFrameDelay;
11611   int xpos = 1, ypos = 2;
11612   int i;
11613
11614   if (edit_mode != ED_MODE_PROPERTIES)
11615     return;
11616
11617   if (!DelayReached(&action_delay, action_delay_value))
11618     return;
11619
11620   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11621   {
11622     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11623
11624     if (gi->mapped && gi->active && gi->selectbox.open)
11625       return;
11626   }
11627
11628   DrawEditorElementAnimation(SX + xpos * TILEX,
11629                              SY + ypos * TILEY + MINI_TILEY / 2);
11630
11631   MarkTileDirty(xpos, ypos);
11632   MarkTileDirty(xpos, ypos + 1);
11633
11634   FrameCounter++;       /* increase animation frame counter */
11635 }
11636
11637 void ClearEditorGadgetInfoText()
11638 {
11639   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11640 }
11641
11642 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11643 {
11644   char infotext[MAX_OUTPUT_LINESIZE + 1];
11645   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11646   int max_infotext_len = getMaxInfoTextLength();
11647
11648   if (gi == NULL || gi->info_text == NULL)
11649     return;
11650
11651   strncpy(infotext, gi->info_text, max_infotext_len);
11652   infotext[max_infotext_len] = '\0';
11653
11654   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11655   {
11656     int key = control_info[gi->custom_id].shortcut;
11657
11658     if (key)
11659     {
11660       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11661         sprintf(shortcut, " ('.' or '%c')", key);
11662       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11663         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11664       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11665         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11666       else                                              /* normal case */
11667         sprintf(shortcut, " ('%s%c')",
11668                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11669
11670       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11671         strcat(infotext, shortcut);
11672     }
11673   }
11674
11675   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11676 }
11677
11678 void HandleEditorGadgetInfoText(void *ptr)
11679 {
11680   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11681
11682   if (game_status != GAME_MODE_EDITOR)
11683     return;
11684
11685   ClearEditorGadgetInfoText();
11686
11687   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11688     return;
11689
11690   /* misuse this function to delete brush cursor, if needed */
11691   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11692     DeleteBrushFromCursor();
11693
11694   PrintEditorGadgetInfoText(gi);
11695 }
11696
11697 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11698 {
11699   static int start_lx, start_ly;
11700   int id = gi->custom_id;
11701   int type_id = gi->custom_type_id;
11702   int sx = gi->event.x;
11703   int sy = gi->event.y;
11704   int lx = sx + level_xpos;
11705   int ly = sy + level_ypos;
11706   int min_sx = 0, min_sy = 0;
11707   int max_sx = gi->drawing.area_xsize - 1;
11708   int max_sy = gi->drawing.area_ysize - 1;
11709   int actual_drawing_function = drawing_function;
11710   int max_infotext_len = getMaxInfoTextLength();
11711   char infotext[MAX_OUTPUT_LINESIZE + 1];
11712   char *text;
11713
11714   infotext[0] = '\0';           /* start with empty info text */
11715
11716   /* pressed Control key: simulate picking element */
11717   if (GetKeyModState() & KMOD_Control)
11718     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11719
11720   ClearEditorGadgetInfoText();
11721
11722   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11723     return;
11724
11725   /* make sure to stay inside drawing area boundaries */
11726   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11727   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11728
11729   if (id == GADGET_ID_DRAWING_LEVEL)
11730   {
11731     if (button_status)
11732     {
11733       int min_lx = 0, min_ly = 0;
11734       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11735
11736       /* get positions inside level field */
11737       lx = sx + level_xpos;
11738       ly = sy + level_ypos;
11739
11740       /* make sure to stay inside level field boundaries */
11741       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11742       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11743
11744       /* correct drawing area positions accordingly */
11745       sx = lx - level_xpos;
11746       sy = ly - level_ypos;
11747     }
11748
11749     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11750     {
11751       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11752       {
11753         if (gi->event.type == GD_EVENT_PRESSED)
11754         {
11755           start_lx = lx;
11756           start_ly = ly;
11757         }
11758
11759         switch (actual_drawing_function)
11760         {
11761           case GADGET_ID_SINGLE_ITEMS:
11762             text = "Drawing single items";
11763             break;
11764           case GADGET_ID_CONNECTED_ITEMS:
11765             text = "Drawing connected items";
11766             break;
11767           case GADGET_ID_LINE:
11768             text = "Drawing line";
11769             break;
11770           case GADGET_ID_ARC:
11771             text = "Drawing arc";
11772             break;
11773           case GADGET_ID_TEXT:
11774             text = "Setting text cursor";
11775             break;
11776           case GADGET_ID_RECTANGLE:
11777             text = "Drawing rectangle";
11778             break;
11779           case GADGET_ID_FILLED_BOX:
11780             text = "Drawing filled box";
11781             break;
11782           case GADGET_ID_FLOOD_FILL:
11783             text = "Flood fill";
11784             break;
11785           case GADGET_ID_GRAB_BRUSH:
11786             text = "Grabbing brush";
11787             break;
11788           case GADGET_ID_PICK_ELEMENT:
11789             text = "Picking element";
11790             break;
11791
11792           default:
11793             text = "Drawing position";
11794             break;
11795         }
11796
11797         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11798           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11799         else
11800           sprintf(infotext, "%s: %d, %d", text,
11801                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11802       }
11803       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11804         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11805       else
11806         sprintf(infotext, "Level position: %d, %d", lx, ly);
11807     }
11808
11809     /* misuse this function to draw brush cursor, if needed */
11810     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11811     {
11812       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11813         CopyBrushToCursor(sx, sy);
11814       else
11815         DeleteBrushFromCursor();
11816     }
11817   }
11818   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11819   {
11820     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11821     int element = drawingarea_info[type_id].value[pos];
11822
11823     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11824   }
11825   else
11826   {
11827     if (id == GADGET_ID_CUSTOM_CONTENT)
11828       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11829     else if (id == GADGET_ID_GROUP_CONTENT)
11830       sprintf(infotext, "group element position: %d", sx + 1);
11831     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11832              id <= GADGET_ID_YAMYAM_CONTENT_7)
11833       sprintf(infotext, "content area %d position: %d, %d",
11834               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11835     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11836              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11837       sprintf(infotext, "content area %d position: %d, %d",
11838               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11839     else if (id == GADGET_ID_ANDROID_CONTENT)
11840       sprintf(infotext, "android element position: %d", sx + 1);
11841     else if (drawingarea_info[type_id].infotext != NULL)
11842       strcpy(infotext, drawingarea_info[type_id].infotext);
11843   }
11844
11845   infotext[max_infotext_len] = '\0';
11846
11847   if (strlen(infotext) > 0)
11848     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11849 }
11850
11851 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11852                             boolean quick_quit)
11853 {
11854   if (!ask_if_level_has_changed ||
11855       !LevelChanged() ||
11856       Request("Level has changed! Exit without saving?",
11857               REQ_ASK | REQ_STAY_OPEN))
11858   {
11859     SetDoorState(DOOR_CLOSE_2);
11860
11861     if (quick_quit)
11862       FadeSkipNextFadeIn();
11863
11864     game_status = GAME_MODE_MAIN;
11865
11866     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
11867   }
11868   else
11869   {
11870     if (!global.use_envelope_request)
11871     {
11872       CloseDoor(DOOR_CLOSE_1);
11873       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
11874     }
11875   }
11876 }