src/editor.c

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